CN100567852C - Multifunctional air-condition heat pump device - Google Patents

Multifunctional air-condition heat pump device Download PDF

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Publication number
CN100567852C
CN100567852C CNB2008101000592A CN200810100059A CN100567852C CN 100567852 C CN100567852 C CN 100567852C CN B2008101000592 A CNB2008101000592 A CN B2008101000592A CN 200810100059 A CN200810100059 A CN 200810100059A CN 100567852 C CN100567852 C CN 100567852C
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China
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valve
pipeline
check valve
export
node
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CNB2008101000592A
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Chinese (zh)
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CN101294754A (en
Inventor
刘雄
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刘雄
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Priority to CN200810018296 priority Critical
Priority to CN200810018296.4 priority
Application filed by 刘雄 filed Critical 刘雄
Priority to CNB2008101000592A priority patent/CN100567852C/en
Publication of CN101294754A publication Critical patent/CN101294754A/en
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Publication of CN100567852C publication Critical patent/CN100567852C/en

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Abstract

The invention discloses a kind of multifunctional air-condition heat pump device, comprise compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve and second flow direction control valve; It also comprises economizer, the 3rd throttle mechanism, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve and second triple valve; When operation, utilize economizer to make the preceding refrigerant liquid of throttling cold excessively, cross the refrigerant gas that economizer is produced when cold, be the compressor tonifying Qi, thus multifunctional air-condition heat pump device can be under high low temperature working environment operate as normal, realize productive life hot water, multiple operating conditions such as refrigeration or heating, simple in structure, reliable operation, with low cost, be specially adapted to the occasion of the civilian middle-size and small-size domestic hot-water's of having demand.

Description

Multifunctional air-condition heat pump device
Technical field
The present invention relates to a kind of multifunctional air-condition heat pump device, belong to the air conditioner refrigerating technical field.
Background technology
Application number is respectively 200710162570.0,200710305376.3 binomial patent of invention, all relate to a kind of dual-purpose heat pump device for winter and summer, in this device, if the condensation temperature of cold-producing medium is too high or evaporating temperature is low excessively, the restriction loss of choke valve is increased, cause after the throttling that gas content increases in the gas-fluid two-phase mixture, make the evaporimeter exchange capability of heat can not get sufficient utilization, thereby reduce the efficient of heat pump assembly, can cause compressor exhaust temperature too high on the other hand, under the serious situation, can influence compressor and normally move.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can realize multiple operating condition, and the multifunctional air-condition heat pump device that can under high low temperature working environment, efficiently move.
In order to overcome the problem that above-mentioned technology exists, the technical scheme of technical solution problem of the present invention is:
1, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve and second triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the second heat exchanger other end is connected with the node of often opening of second triple valve by the 42 pipeline, the 4th node of second cross valve is connected with heat source side heat exchanger one end by the 31 pipeline, the heat source side heat exchanger other end is connected with the 6th check valve arrival end by the 45 pipeline, the 6th check valve port of export is connected with the 3rd check valve port of export by pipeline, the 3rd check valve arrival end is connected by any one node in two commutations of the 48 pipeline and second triple valve node, another commutation node of second triple valve is connected with the 31 pipeline between the heat source side heat exchanger and second cross valve, described the 4th check valve port of export is connected with the 48 pipeline that the 3rd check valve arrival end and second triple valve commutate between the node, the 4th check valve arrival end is connected with the 5th check valve arrival end by pipeline, the 5th check valve port of export is connected with the 45 pipeline between the 6th check valve arrival end and the heat source side heat exchanger, described economizer high-pressure side arrival end is connected with pipeline between the 3rd check valve port of export and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is by second throttle mechanism, the 47 pipeline is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export, any one of pipeline between the economizer high-pressure side port of export and second throttle mechanism is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, first triple valve is often opened node and is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with pipeline between second throttle mechanism and the economizer high-pressure side port of export, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export with the first check valve arrival end, the 48 pipeline between second triple valve commutation node and the 3rd check valve arrival end and the 4th check valve port of export, any one of the 42 pipeline that second heat exchanger and second triple valve are often opened between the node is connected.
2, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, the 3rd flow direction control valve, first check valve, second check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve and second triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the 4th node of second cross valve is connected by any one node in two commutations of the 31 pipeline and second triple valve node, the node of often opening of second triple valve is connected with heat source side heat exchanger one end by the 49 pipeline, the heat source side heat exchanger other end is connected with the 6th check valve arrival end by the 45 pipeline, the 6th check valve port of export is connected with the 3rd flow direction control valve one end by pipeline, the 3rd flow direction control valve other end is connected with the second heat exchanger other end by the 42 pipeline, described the 4th check valve port of export is connected with the 42 pipeline between second heat exchanger and the 3rd flow direction control valve, the 4th check valve arrival end is connected with the 5th check valve arrival end by pipeline, the 5th check valve port of export is connected with the 45 pipeline between the 6th check valve arrival end and the heat source side heat exchanger, another commutation node of second triple valve is connected with the pipeline between second heat exchanger and the 4th check valve port of export and the 3rd flow direction control valve, described economizer high-pressure side arrival end is connected with pipeline between the 3rd flow direction control valve and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is by second throttle mechanism, the 47 pipeline is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd flow direction control valve and the 6th check valve port of export, any one of pipeline between the economizer high-pressure side port of export and second throttle mechanism is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with pipeline between second throttle mechanism and the economizer high-pressure side port of export, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and economizer high-pressure side arrival end and the 3rd flow direction control valve and the 6th check valve port of export with the first check valve arrival end, any one of pipeline between second heat exchanger and the 3rd flow direction control valve and the 4th check valve port of export is connected.
3, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, the 3rd cross valve, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve and first triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the second heat exchanger other end is connected with a node of the 3rd cross valve by the 42 pipeline, the 4th node of second cross valve is connected with another node of the 3rd cross valve by the 31 pipeline, the 3rd node of the 3rd cross valve is connected with heat source side heat exchanger one end by the 43 pipeline, the heat source side heat exchanger other end is connected with the 6th check valve arrival end by the 45 pipeline, the 6th check valve port of export is connected with the 3rd check valve port of export by pipeline, the 3rd check valve arrival end is connected with the 4th node of the 3rd cross valve by the 44 pipeline, described the 4th check valve port of export is connected with the 44 pipeline between the 3rd check valve arrival end and the 3rd cross valve, the 4th check valve arrival end is connected with the 5th check valve arrival end by pipeline, the 5th check valve port of export is connected with the 45 pipeline between the 6th check valve arrival end and the heat source side heat exchanger, described economizer high-pressure side arrival end is connected with pipeline between the 3rd check valve port of export and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is by second throttle mechanism, the 47 pipeline is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export, any one of pipeline between the economizer high-pressure side port of export and second throttle mechanism is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with pipeline between second throttle mechanism and the economizer high-pressure side port of export, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and the 3rd cross valve and the 4th check valve port of export and the 3rd check valve arrival end with the first check valve arrival end, any one of pipeline between the economizer high-pressure side arrival end and the 6th check valve port of export and the 3rd check valve port of export is connected.
4, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the 4th node of second cross valve is connected with heat source side heat exchanger one end by the 31 pipeline, the heat source side heat exchanger other end is connected with the 6th check valve arrival end by the 45 pipeline, the 6th check valve port of export is connected with the 3rd check valve port of export by pipeline, the 3rd check valve arrival end is connected with the second heat exchanger other end with the 42 pipeline by the 48 pipeline, described the 4th check valve port of export is connected with pipeline between the 3rd check valve arrival end and second heat exchanger, the 4th check valve arrival end is connected with the 5th check valve arrival end by pipeline, the 5th check valve port of export is connected with the 45 pipeline between the 6th check valve arrival end and the heat source side heat exchanger, described economizer high-pressure side arrival end is connected with pipeline between the 3rd check valve port of export and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is by second throttle mechanism, the 47 pipeline is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export, any one of pipeline between the economizer high-pressure side port of export and second throttle mechanism is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with pipeline between second throttle mechanism and the economizer high-pressure side port of export, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export with the first check valve arrival end, any one of pipeline between second heat exchanger and the 3rd check valve arrival end and the 4th check valve port of export is connected.
5, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve and second triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the second heat exchanger other end is connected with the node of often opening of second triple valve by the 42 pipeline, the 4th node of second cross valve is connected with heat source side heat exchanger one end by the 31 pipeline, the heat source side heat exchanger other end is connected with the 5th check valve port of export by second throttle mechanism, the 5th check valve arrival end is connected with the 4th check valve arrival end by pipeline, the 4th check valve port of export is connected by any one node in two commutations of the 48 pipeline and second triple valve node, another commutation node of second triple valve is connected with the 31 pipeline between the heat source side heat exchanger and second cross valve, described the 3rd check valve arrival end is connected with the 48 pipeline that the 4th check valve port of export and second triple valve commutate between the node, the 3rd check valve port of export is connected with the 6th check valve port of export by pipeline, the 6th check valve arrival end and the 5th check valve port of export, any pipeline between second throttle mechanism and the heat source side heat exchanger three is connected, described economizer high-pressure side arrival end is connected with pipeline between the 3rd check valve port of export and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end by the 47 pipeline, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export, any one of economizer high-pressure side port of export pipeline is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with economizer high-pressure side port of export pipeline, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export with the first check valve arrival end, the 48 pipeline between second triple valve commutation node and the 3rd check valve arrival end and the 4th check valve port of export, any one of the 42 pipeline that second heat exchanger and second triple valve are often opened between the node is connected.
6, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, the 3rd flow direction control valve, first check valve, second check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve and second triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the 4th node of second cross valve is connected by any one node in two commutations of the 31 pipeline and second triple valve node, the node of often opening of second triple valve is connected with heat source side heat exchanger one end by the 49 pipeline, the heat source side heat exchanger other end is connected with the 5th check valve port of export by second throttle mechanism, the 5th check valve arrival end is connected with the 4th check valve arrival end by pipeline, the 4th check valve port of export is connected with the second heat exchanger other end by the 42 pipeline, described the 3rd flow direction control valve one end is connected with the 42 pipeline between second heat exchanger and the 4th check valve port of export, the 3rd flow direction control valve other end is connected with the 6th check valve port of export by pipeline, the 6th check valve arrival end and the 5th check valve port of export, any pipeline between second throttle mechanism and the heat source side heat exchanger three is connected, another commutation node of second triple valve is connected with the pipeline between second heat exchanger and the 4th check valve port of export and the 3rd flow direction control valve, described economizer high-pressure side arrival end is connected with pipeline between the 3rd flow direction control valve and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end by the 47 pipeline, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd flow direction control valve and the 6th check valve port of export, any one of economizer high-pressure side port of export pipeline is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with economizer high-pressure side port of export pipeline, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and economizer high-pressure side arrival end and the 3rd flow direction control valve and the 6th check valve port of export with the first check valve arrival end, any one of pipeline between second heat exchanger and the 3rd flow direction control valve and the 4th check valve port of export is connected.
7, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, the 3rd cross valve, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve and first triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the second heat exchanger other end is connected with a node of the 3rd cross valve by the 42 pipeline, the 4th node of second cross valve is connected with another node of the 3rd cross valve by the 31 pipeline, the 3rd node of the 3rd cross valve is connected with heat source side heat exchanger one end by the 43 pipeline, the heat source side heat exchanger other end is connected with the 5th check valve port of export by second throttle mechanism, the 5th check valve arrival end is connected with the 4th check valve arrival end by pipeline, the 4th check valve port of export is connected with the 4th node of the 3rd cross valve by the 44 pipeline, described the 3rd check valve arrival end is connected with the 44 pipeline between the 4th check valve port of export and the 3rd cross valve, the 3rd check valve port of export is connected with the 6th check valve port of export by pipeline, the 6th check valve arrival end and the 5th check valve port of export, any pipeline between second throttle mechanism and the heat source side heat exchanger three is connected, described economizer high-pressure side arrival end is connected with pipeline between the 3rd check valve port of export and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end by the 47 pipeline, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export, any one of economizer high-pressure side port of export pipeline is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with economizer high-pressure side port of export pipeline, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and the 3rd cross valve and the 4th check valve port of export and the 3rd check valve arrival end with the first check valve arrival end, any one of pipeline between the economizer high-pressure side arrival end and the 6th check valve port of export and the 3rd check valve port of export is connected.
8, a kind of multifunctional air-condition heat pump device comprises screw compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve; It is characterized in that: further comprising the 3rd throttle mechanism, economizer, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve, first triple valve; Described cross valve is respectively equipped with four nodes, a node of first cross valve is connected with the screw compressor output by the 60 pipeline, another node of first cross valve is connected with the screw compressor input by the 63 pipeline, the 3rd node of first cross valve is connected with user side heat exchanger one end by the 64 pipeline, the 4th node of first cross valve is connected on the node of second cross valve by the 61 pipeline, another node of second cross valve is successively by the 62 pipeline, second flow direction control valve, first throttle mechanism is connected with the user side heat exchanger other end, first flow direction control valve, one end is connected with the 64 pipeline between the user side heat exchanger and first cross valve, the first flow direction control valve other end is connected with the 62 pipeline between second flow direction control valve and second cross valve, the 3rd node of second cross valve is connected with second heat exchanger, one end by the 41 pipeline, the 4th node of second cross valve is connected with heat source side heat exchanger one end by the 31 pipeline, the heat source side heat exchanger other end is connected with the 5th check valve port of export by second throttle mechanism, the 5th check valve arrival end is connected with the 4th check valve arrival end by pipeline, the 4th check valve port of export is by the 48 pipeline, the 42 pipeline is connected with the second heat exchanger other end, described the 3rd check valve arrival end is connected with pipeline between the 4th check valve port of export and second heat exchanger, the 3rd check valve port of export is connected with the 6th check valve port of export by pipeline, the 6th check valve arrival end and the 5th check valve port of export, any pipeline between second throttle mechanism and the heat source side heat exchanger three is connected, described economizer high-pressure side arrival end is connected with pipeline between the 3rd check valve port of export and the 6th check valve port of export by the 46 pipeline, the economizer high-pressure side port of export is connected with pipeline between the 4th check valve arrival end and the 5th check valve arrival end by the 47 pipeline, pipeline between described the 3rd throttle mechanism one end and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export, any one of economizer high-pressure side port of export pipeline is connected, the 3rd throttle mechanism other end is connected with economizer low-pressure side arrival end, the economizer low-pressure side port of export is connected with screw compressor compressing mechanism middle part gas supplementing opening by the 65 pipeline, the node of often opening of first triple valve is connected with pipeline between the first throttle mechanism and second flow direction control valve by the 50 pipeline, any one node in two commutations of first triple valve node is connected with the second check valve port of export, the second check valve arrival end is connected with economizer high-pressure side port of export pipeline, another commutation node of first triple valve is connected the pipeline between the first check valve port of export and economizer high-pressure side arrival end and the 3rd check valve port of export and the 6th check valve port of export with the first check valve arrival end, any one of pipeline between second heat exchanger and the 3rd check valve arrival end and the 4th check valve port of export is connected.
The present invention compared with prior art, its beneficial effect is:
1. can be under high low temperature working environment operate as normal.
2. can make full use of the exchange capability of heat of evaporimeter.
3. simple in structure, reliable operation, with low cost.
4. the present invention is applicable to industry and civilian multifunctional air-condition heat pump device, is specially adapted to the air-condition heat pump device of the civilian middle-size and small-size domestic hot-water's of having demand.
Description of drawings
Fig. 1 is the embodiment of the invention 1 structural representation;
Fig. 2 is the embodiment of the invention 2 structural representations;
Fig. 3 is the embodiment of the invention 3 structural representations;
Fig. 4 is the embodiment of the invention 4 structural representations;
Fig. 5 is the embodiment of the invention 5 structural representations;
Fig. 6 is the embodiment of the invention 6 structural representations;
Fig. 7 is the embodiment of the invention 7 structural representations;
Fig. 8 is the embodiment of the invention 8 structural representations;
Fig. 9 is the embodiment of the invention 9 structural representations.
The specific embodiment
Below in conjunction with accompanying drawing content of the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, whole device comprises following equipment: screw compressor 1, heat source side heat exchanger 2, user side heat exchanger 3, second heat exchanger 6, first throttle mechanism 4, second throttle mechanism 5, first cross valve 100, second cross valve 70, the first flow direction control valve 7-1, the second flow direction control valve 7-2, the 3rd throttle mechanism 8, economizer 11, first check valve 51, second check valve 52, the 3rd check valve 95, the 4th check valve 96, the 5th check valve 97, the 6th check valve 98, first triple valve 12 and second triple valve 13.
First cross valve 100 is provided with four connected nodes: 101,102,103,104; Second cross valve 70 also is provided with four connected nodes 71,72,73,74; Each connected node links to each other with two passages of inside.
Heat source side heat exchanger 2, user side heat exchanger 3 are cold-producing medium-air heat exchangers.Second heat exchanger 6 is cold-producing medium-water-to-water heat exchangers.The first throttle mechanism 4 and second throttle mechanism 5 are electric expansion valves, and the 3rd throttle mechanism 8 is heating power expansion valves.
Whole device can be realized freezing merely summer, summer refrigeration reclaim simultaneously quick productive life hot water of condensation heat productive life hot water, summer, summer need simultaneously refrigeration by the user and heat merely in productive life hot water, winter, heat supply in winter reclaims high temperature refrigerant liquid sensible heat simultaneously, winter quick productive life hot water, winter need heating simultaneously and productive life hot water, winter by the user and utilize the nine kinds of functions of high temperature refrigerant liquid sensible heat defrost that reclaim.Their workflow is as described below respectively:
(1) freezes merely summer
In this operating mode, only for the user provides refrigeration, the waste heat that process of refrigerastion produced does not reclaim.
During work, first throttle mechanism 4, the 3rd throttle mechanism 8 operate as normal, second throttle mechanism, 5 standard-sized sheets, the first flow direction control valve 7-1, the second flow direction control valve 7-2 close, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,72, the 31 pipeline 31 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, become refrigerant liquid after emitting heat, refrigerant liquid is again through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, cross high-temperature high-pressure refrigerant liquid after cold successively through the outlet of economizer 11 high-pressure sides, second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time summer simple kind of refrigeration cycle.
Another program: second throttle mechanism 5 cuts out, and the second flow direction control valve 7-2 opens, and the state of other valve is identical with above-mentioned workflow, also can realize with cocycle.
(2) summer, refrigeration reclaimed condensation heat productive life hot water simultaneously
In this operating mode, be preferential with the refrigeration, the condensation heat productive life hot water that utilizes process of refrigerastion to produce.
During work, first throttle mechanism 4, the 3rd throttle mechanism 8 operate as normal, second throttle mechanism 5 is not worked, the first flow direction control valve 7-1, the second flow direction control valve 7-2 close, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim condensation of refrigerant heat and produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid or gas-fluid two-phase mixture after emitting heat, through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, crossed cold or condensation, after refrigerant liquid comes out from heat source side heat exchanger 2, again through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, and the high-temperature high-pressure refrigerant liquid after cold excessively is successively through the outlet of economizer 11 high-pressure sides, second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, the connected node 102 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish the circulation that a time summer, refrigeration reclaimed condensation heat productive life hot water simultaneously.
(3) summer quick productive life hot water
In this operating mode, user side heat exchanger 3 stops to indoor cooling, only by second heat exchanger, 6 productive life hot water.
During work, first throttle mechanism 4 does not work, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation node C3, the 48 pipeline 48, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, and the high-temperature high-pressure refrigerant liquid after cold excessively enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 31 pipeline 31, the connected node 72 of second cross valve 70,73, the 62 pipeline 62, the first flow direction control valve 7-1, the 64 pipeline 64, the connected node 102 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time summer quick productive life hot water circulation.
(4) need refrigeration and productive life hot water simultaneously by the user summer
In this operating mode, user side heat exchanger 3 is to indoor cooling, second heat exchanger, 6 productive life hot water, and both do not restrict mutually.
During work, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 8 be operate as normal all, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation node C3, the 48 pipeline 48, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, be divided into two the tunnel: the one tunnel after high-temperature high-pressure refrigerant liquid after cold exports out from economizer 11 high-pressure sides and enter second throttle mechanism 5 and cross by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 31 pipeline 31, the connected node 72 of second cross valve 70,73, the 62 pipeline 62, the first flow direction control valve 7-1 enters the 64 pipeline 64, another road is through second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, also enter the 64 pipeline 64, after two tunnel refrigerant mixed, through the 64 pipeline 64, the connected node 102 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finishing summer needs the circulation of refrigeration and productive life hot water simultaneously by the user.
(5) heat merely winter
In this operating mode, user side heat exchanger 3 is to indoor heating, and second heat exchanger 6 is productive life hot water not.
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 closes, the second flow direction control valve 7-2 opens, first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the 50 pipeline 50, first triple valve 12 is often opened node A1, commutation Node B 1, first check valve 51 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 31 pipeline 31, the connected node 72 of second cross valve 70,71, the 61 pipeline 61, the connected node 104 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish a simple heating circulation in winter.
(6) heat supply in winter reclaims high temperature refrigerant liquid sensible heat simultaneously
In this operating mode, user side heat exchanger 3 is to indoor heating, and second heat exchanger 6 reclaims high temperature refrigerant liquid sensible heat productive life hot water, and is cold excessively to cold-producing medium simultaneously.
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 closes, the second flow direction control valve 7-2 opens, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the second flow direction control valve 7-2, the 62 pipeline 62, the connected node 73 of second cross valve 70,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim the refrigerant liquid sensible heat and produce low-temperature water heating, and refrigerant liquid is emitted behind the heat by cold excessively, cross cold-producing medium after cold again through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation node C3, the 48 pipeline 48, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 31 pipeline 31, the connected node 72 of second cross valve 70,71, the 61 pipeline 61, the connected node 104 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish the circulation that a time heat supply in winter reclaims high temperature refrigerant liquid sensible heat simultaneously.
(7) winter quick productive life hot water
In this operating mode, user side heat exchanger 3 stops to indoor heating, just productive life hot water.
During work, first throttle mechanism 4 does not work, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64, the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation node C3, the 48 pipeline 48, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 31 pipeline 31, the connected node 72 of second cross valve 70,71, the 61 pipeline 61, the connected node 104 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time winter quick productive life hot water circuit.
(8) need heating and productive life hot water simultaneously by the user winter
In this operating mode, user side heat exchanger 3 is to indoor heating, second heat exchanger, 6 productive life hot water, and both do not restrict mutually.
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 is divided into two the tunnel: the one tunnel through the first flow direction control valve 7-1, the 62 pipeline 62, the connected node 73 of second cross valve 70,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation node C3, the 48 pipeline 48, the 3rd check valve 95 enters the 46 pipeline 46, another road enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the 50 pipeline 50, first triple valve 12 is often opened node A1, commutation Node B 1, first check valve 51 also enters the 46 pipeline 46, after two tunnel refrigerant mixed, be divided into two the tunnel again through the 46 pipeline 46, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 31 pipeline 31, the connected node 72 of second cross valve 70,71, the 61 pipeline 61, the connected node 104 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish the circulation that a time need heating simultaneously and productive life hot water winter by the user.
(9) utilize the high temperature refrigerant liquid sensible heat defrost of reclaiming winter
In this operating mode, the user utilizes second heat exchanger, 6 collected high temperature refrigerant liquid sensible heats to defrost.
During work, first throttle mechanism 4 does not work, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64, the first flow direction control valve 7-1, the 62 pipeline 62, the connected node 73 of second cross valve 70,72, the 31 pipeline 31 enters heat source side heat exchanger 2 it is defrosted, refrigerant vapour becomes refrigerant liquid after emitting heat, refrigerant liquid is again through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 4th check valve 96, the 48 pipeline 48, second triple valve, 13 commutation node C3, often open node A3, the 42 pipeline 42 enters second heat exchanger 6 and carries out indirect heat exchange with water, after absorbing the heat of water, become the low-temperature low-pressure refrigerant steam, again successively through the 41 pipeline 41, the connected node 74 of second cross valve 70,71, the 61 pipeline 61, the connected node 104 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish the circulation that a time utilize the high temperature refrigerant liquid sensible heat of recovery to defrost winter.
When the shortage of heat of low-temperature water heating in second heat exchanger 6 during with defrosting, also can defrost by traditional Defrost method, promptly utilize the heat of room air to defrost, its workflow with summer simple kind of refrigeration cycle identical.
Embodiment 2
Shown in Figure 2, it is compared with embodiment 1, and difference has two: 1) replace the 3rd check valve 95 with the 3rd flow direction control valve 7-3; 2) second triple valve 13 residing position difference in system, in the present embodiment, the node A3 that often opens of second triple valve 13 is connected with heat source side heat exchanger 2 by the 49 pipeline 49, one of 13 2 commutations of second triple valve node B3 is connected with the connected node 72 of second cross valve 70 by the 31 pipeline 31, and another commutation node C3 of second triple valve 13 is connected with the pipeline between second heat exchanger 6 and the 3rd flow direction control valve 7-3 and the 4th check valve 96 ports of export.And miscellaneous equipment and connected mode in the device are identical with embodiment 1.
Embodiment 2 has the 1 identical function with embodiment, and the workflow of each operating mode is as described below respectively:
(1) freezes merely summer
During work, first throttle mechanism 4, the 3rd throttle mechanism 8 operate as normal, second throttle mechanism, 5 standard-sized sheets, the first flow direction control valve 7-1, the second flow direction control valve 7-2 close, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 closes.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,72, the 31 pipeline 31, second triple valve, 13 commutation Node B 3, often open node A3, the 49 pipeline 49 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, become refrigerant liquid after emitting heat, refrigerant liquid is more successively through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, cross high-temperature high-pressure refrigerant liquid after cold successively through the outlet of economizer 11 high-pressure sides, second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, the connected node 102 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time summer simple kind of refrigeration cycle.
Another program: second throttle mechanism 5 cuts out, and the second flow direction control valve 7-2 opens, and the state of other valve is identical with above-mentioned workflow, also can realize with cocycle.
(2) summer, refrigeration reclaimed condensation heat productive life hot water simultaneously
During work, first throttle mechanism 4, the 3rd throttle mechanism 8 operate as normal, second throttle mechanism 5 is not worked, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3, and the 3rd flow direction control valve 7-3 closes.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim condensation of refrigerant heat and produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid or gas-fluid two-phase mixture after emitting heat, through the 42 pipeline 42, second triple valve, 13 commutation node C3, often open node A3, the 49 pipeline 49 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, crossed cold or condensation, after refrigerant liquid comes out from heat source side heat exchanger 2, again through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, cross high-temperature high-pressure refrigerant liquid after cold successively through the outlet of economizer 11 high-pressure sides, second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing freezes a summer reclaims condensation heat productive life hot water circuit simultaneously.
(3) summer quick productive life hot water
During work, first throttle mechanism 4 does not work, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 opens.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, the 3rd flow direction control valve 7-3 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 49 pipeline 49, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31, the connected node 72 of second cross valve 70,73, the 62 pipeline 62, the first flow direction control valve 7-1, the 64 pipeline 64, the connected node 102 of first cross valve 100,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time summer quick productive life hot water circuit.
(4) need refrigeration and productive life hot water simultaneously by the user summer
During work, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 8 be operate as normal all, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 opens.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, the 3rd flow direction control valve 7-3 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, after crossing high-temperature high-pressure refrigerant liquid after cold and exporting out from economizer 11 high-pressure sides, be divided into two the tunnel: the one tunnel again and enter second throttle mechanism 5 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 49 pipeline 49, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31, second cross valve, 70 connected nodes 72,73, the 62 pipeline 62, the first flow direction control valve 7-1 enters the 64 pipeline 64, another road is through second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, heat by indirect heat exchange absorption user is user's cooling therein, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, also enter the 64 pipeline 64, after two tunnel refrigerant mixed, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing needs refrigeration and productive life hot water circuit simultaneously by the user summer.
(5) heat merely winter
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 closes, the second flow direction control valve 7-2 opens, first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 closes.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the 50 pipeline 50, first triple valve 12 is often opened node A1, commutation Node B 1, first check valve 51 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 49 pipeline 49, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish a simple heating circulation in winter.
(6) heat supply in winter reclaims high temperature refrigerant liquid sensible heat simultaneously
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 closes, the second flow direction control valve 7-2 opens, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 opens.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the second flow direction control valve 7-2, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim the refrigerant liquid sensible heat and produce low-temperature water heating, and refrigerant liquid is emitted behind the heat by cold excessively, cross cold-producing medium after cold again through the 42 pipeline 42, the 3rd flow direction control valve 7-3 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 49 pipeline 49, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31, the connected node 72 of second cross valve 70,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish a heat supply in winter and reclaim the circulation of high temperature refrigerant liquid sensible heat simultaneously.
(7) winter quick productive life hot water
During work, first throttle mechanism 4 does not work, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 opens.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64, the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, through the 42 pipeline 42, the 3rd flow direction control valve 7-3 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 49 pipeline 49, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time winter quick productive life hot water circuit.
(8) need heating and productive life hot water simultaneously by the user winter
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 opens.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 is divided into two the tunnel: the one tunnel through the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, through the 42 pipeline 42, the 3rd flow direction control valve 7-3 enters the 46 pipeline 46, another road enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the 50 pipeline 50, first triple valve 12 is often opened node A1, commutation Node B 1, first check valve 51 also enters the 46 pipeline 46, be divided into two the tunnel again through the 46 pipeline 46 after two tunnel refrigerant mixed, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 49 pipeline 49, second triple valve 13 is often opened node A3, commutation Node B 3, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing needs heating and productive life hot water circuit simultaneously by the user winter.
(9) utilize the high temperature refrigerant liquid sensible heat defrost of reclaiming winter
During work, first throttle mechanism 4 does not work, second throttle mechanism 5, the 3rd throttle mechanism 8 operate as normal, the first flow direction control valve 7-1 opens, the second flow direction control valve 7-2 closes, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation Node B 3, and the 3rd flow direction control valve 7-3 closes.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64, the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,72, the 31 pipeline 31, second triple valve, 13 commutation Node B 3, often open node A3, the 49 pipeline 49 enters heat source side heat exchanger 2 it is defrosted, refrigerant vapour becomes refrigerant liquid after emitting heat, refrigerant liquid is again through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 4th check valve 96, the 42 pipeline 42 enters second heat exchanger 6 and carries out indirect heat exchange with water, after absorbing the heat of water, become the low-temperature low-pressure refrigerant steam, again successively through the 41 pipeline 41, second cross valve, 70 connected nodes 74,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish the circulation that a time utilize the high temperature refrigerant liquid sensible heat of recovery to defrost winter.
When the shortage of heat of low-temperature water heating in second heat exchanger 6 during with defrosting, also can defrost by traditional Defrost method, promptly utilize the heat of room air to defrost, its workflow with summer simple kind of refrigeration cycle identical.
Embodiment 3
Shown in Figure 3, it also has embodiment 1 described function, and unique difference is as described below respectively with the 3rd cross valve 80 replacements second triple valve 13. its workflows:
(1) freezes merely summer
During work, first throttle mechanism 4, the 3rd throttle mechanism 8 operate as normal, second throttle mechanism, 5 standard-sized sheets, the first flow direction control valve 7-1, the second flow direction control valve 7-2 close, and first triple valve 12 is often opened node A1 and is communicated with commutation node C1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,72, the 31 pipeline 31, the 3rd cross valve 80 connected nodes 83,84, the 43 pipeline 43 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, become refrigerant liquid after emitting heat, refrigerant liquid is through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, cross high-temperature high-pressure refrigerant liquid after cold successively through the outlet of economizer 11 high-pressure sides, second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time summer simple kind of refrigeration cycle.
Another program: second throttle mechanism 5 cuts out, and the second flow direction control valve 7-2 opens, and the state of other valve is identical with above-mentioned workflow, also can realize with cocycle.
(2) summer, refrigeration reclaimed condensation heat productive life hot water simultaneously
During work, first throttle mechanism 4, the 3rd throttle mechanism 8 operate as normal, second throttle mechanism, 5 standard-sized sheets, the first flow direction control valve 7-1, the second flow direction control valve 7-2 close, and first triple valve 12 is often opened node A1 and is communicated with commutation node C1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim condensation of refrigerant heat and produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid or gas-fluid two-phase mixture after emitting heat, again through the 42 pipeline 42, the 3rd cross valve 80 connected nodes 81,84, the 43 pipeline 43 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, crossed cold or condensation, then through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, cross high-temperature high-pressure refrigerant liquid after cold successively through the outlet of economizer 11 high-pressure sides, second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing freezes a summer reclaims condensation heat productive life hot water circuit simultaneously.
Another program: second throttle mechanism 5 cuts out, and the second flow direction control valve 7-2 opens, and the state of other valve is identical with above-mentioned workflow, also can realize with cocycle.
(3) summer quick productive life hot water
During work, first throttle mechanism 4 does not work, second throttle mechanism 5,8 work of the 3rd throttle mechanism, and the first flow direction control valve 7-1 opens, and the second flow direction control valve 7-2 closes, and first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, the 3rd cross valve 80 connected nodes 81,82, the 44 pipeline 44, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the heat of cold-producing medium absorption chamber outer air, become the low-temperature low-pressure refrigerant steam, again successively through the 43 pipeline 43, the 3rd cross valve 80 connected nodes 84,83, the 31 pipeline 31, second cross valve, 70 connected nodes 72,73, the 62 pipeline 62, the first flow direction control valve 7-1, the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time summer quick productive life hot water circuit.
(4) need refrigeration and productive life hot water simultaneously by the user summer
During work, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 8 be operate as normal all, and the first flow direction control valve 7-1 opens, and the second flow direction control valve 7-2 closes, and first triple valve 12 is often opened node A1 and is communicated with commutation node C1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, the 3rd cross valve 80 connected nodes 81,82, the 44 pipeline 44, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, cross be divided into again after high-temperature high-pressure refrigerant liquid after cold exports out from economizer 11 high-pressure sides two the tunnel: the one tunnel through second throttle mechanism 5 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the cold-producing medium absorption chamber outer air heat, become the low-temperature low-pressure refrigerant steam, more successively through the 43 pipeline 43, the 3rd cross valve 80 connected nodes 84,83, the 31 pipeline 31, second cross valve, 70 connected nodes 72,73, the 62 pipeline 62, the first flow direction control valve 7-1 enters the 64 pipeline 64; Another road is through second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, also enter the 64 pipeline 64, after two tunnel refrigerant mixed, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing needs refrigeration and productive life hot water circuit simultaneously by the user summer.
(5) heat merely winter
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5,8 work of the 3rd throttle mechanism, the first flow direction control valve 7-1 closes, and the second flow direction control valve 7-2 opens, and first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the 50 pipeline 50, first triple valve 12 is often opened node A1, commutation Node B 1, first check valve 51, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the cold-producing medium absorption chamber outer air heat, become the low-temperature low-pressure refrigerant steam, again successively through the 43 pipeline 43, the 3rd cross valve 80 connected nodes 84,83, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish a simple heating circulation in winter.
(6) heat supply in winter reclaims high temperature refrigerant liquid sensible heat simultaneously
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5,8 work of the 3rd throttle mechanism, the first flow direction control valve 7-1 closes, and the second flow direction control valve 7-2 opens, and first triple valve 12 is often opened node A1 and is communicated with commutation node C1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64 enters user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, pass through first throttle mechanism 4 more successively, the second flow direction control valve 7-2, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim the refrigerant liquid sensible heat and produce low-temperature water heating, and refrigerant liquid is emitted behind the heat by cold excessively, cross cold-producing medium after cold again through the 42 pipeline 42, the 3rd cross valve 80 connected nodes 81,82, the 44 pipeline 44, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the intermediate pressure gas-fluid two-phase mixture, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the intermediate pressure refrigerant gas-fluid two-phase mixture absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, again through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the cold-producing medium absorption chamber outer air heat, become the low-temperature low-pressure refrigerant steam, again successively through the 43 pipeline 43, the 3rd cross valve 80 connected nodes 84,83, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish a heat supply in winter and reclaim the circulation of high temperature refrigerant liquid sensible heat simultaneously.
(7) winter quick productive life hot water
Scheme one:
During work, first throttle mechanism 4 does not work, second throttle mechanism 5,8 work of the 3rd throttle mechanism, and the first flow direction control valve 7-1 opens, and the second flow direction control valve 7-2 closes, and first triple valve 12 is often opened node A1 and is communicated with commutation node C1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64, the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, through the 42 pipeline 42, the 3rd cross valve 80 connected nodes 81,82, the 44 pipeline 44, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the cold-producing medium absorption chamber outer air heat, become the low-temperature low-pressure refrigerant steam, again successively through the 43 pipeline 43, the 3rd cross valve 80 connected nodes 84,83, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and by being continued to be compressed to pressure at expulsion, so far finish one time winter quick productive life hot water circuit.
Scheme two: its cyclic process with the summer of present embodiment quick productive life hot water circuit identical.
(8) need heating and productive life hot water simultaneously by the user winter
During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism 5,8 work of the 3rd throttle mechanism, the first flow direction control valve 7-1 opens, and the second flow direction control valve 7-2 closes, and first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, be divided into two the tunnel: the one tunnel behind the 64 pipeline 64 and enter user side heat exchanger 3, emit heat by indirect heat exchange therein, be user's heat supply, after cold-producing medium is emitted heat, become high-temperature high-pressure refrigerant liquid, refrigerant liquid passes through first throttle mechanism 4 again, the 50 pipeline 50, first triple valve 12 is often opened node A1, commutation Node B 1, first check valve 51 enters the 44 pipeline 44, another road is successively through the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, the 3rd cross valve 80 connected nodes 81,82 also enter the 44 pipeline 44, after two tunnel refrigerant mixed, through the 44 pipeline 44, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the cold-producing medium absorption chamber outer air heat, become the low-temperature low-pressure refrigerant steam, again successively through the 43 pipeline 43, the 3rd cross valve 80 connected nodes 84,83, the 31 pipeline 31, second cross valve, 70 connected nodes 72,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing needs heating and productive life hot water circuit simultaneously by the user winter.
(9) utilize winter the high temperature refrigerant liquid sensible heat that reclaims to defrost
During work, first throttle mechanism 4 does not work, second throttle mechanism 5,8 work of the 3rd throttle mechanism, and the first flow direction control valve 7-1 opens, and the second flow direction control valve 7-2 closes, and first triple valve 12 is often opened node A1 and is communicated with commutation node C1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is again through the 60 pipeline 60, first cross valve, 100 connected nodes 101,102, the 64 pipeline 64, the first flow direction control valve 7-1, the 62 pipeline 62, second cross valve, 70 connected nodes 73,72, the 31 pipeline 31, the 3rd cross valve 80 connected nodes 83,84, the 43 pipeline 43 enters heat source side heat exchanger 2 it is defrosted, refrigerant vapour becomes refrigerant liquid after emitting heat, refrigerant liquid is again through the 45 pipeline 45, the 6th check valve 98 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, and behind the refrigerant air-liquid two-phase mixture of the intermediate pressure absorption heat, become refrigerant vapour, through the outlet of economizer 11 low-pressure sides, the 65 pipeline 65 enters screw compressor 1 compressing mechanism middle part gas supplementing opening, the high-temperature high-pressure refrigerant liquid of crossing after cold enters second throttle mechanism 5 by throttling through the outlet of economizer 11 high-pressure sides, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 4th check valve 96, the 44 pipeline 44, the 3rd cross valve 80 connected nodes 82,81, the 42 pipeline 42 enters second heat exchanger 6 and carries out indirect heat exchange with water, after absorbing the heat of water, become the low-temperature low-pressure refrigerant steam, again successively through the 41 pipeline 41, second cross valve, 70 connected nodes 74,71, the 61 pipeline 61, first cross valve, 100 connected nodes 104,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finish a winter and utilize the high temperature refrigerant liquid sensible heat that reclaims to carry out defrost cycle.
When the shortage of heat of low-temperature water heating in second heat exchanger 6 during with defrosting, also can defrost by traditional Defrost method, promptly utilize the heat of room air to defrost, its workflow is identical with present embodiment simple kind of refrigeration cycle in summer.
Embodiment 4
Shown in Figure 4, to compare with embodiment 1, difference has two: 1) cancelled second triple valve 13, therefore the 42 pipeline 42 directly is connected with the 48 pipeline 48; 2) on the 65 pipeline 65 between outlet of economizer 11 low-pressure sides and the screw compressor 1 compressing mechanism middle part gas supplementing opening, set up the 7th flow direction control valve 7-7, described the 7th flow direction control valve 7-7 is a two-way electromagnetic valve.Embodiment 4 also has embodiment 1 described function, in simple kind of refrigeration cycle in summer, summer quick productive life hot water circuit, need simultaneously refrigeration and productive life hot water circuit by the user summer, simple heating circulation in winter, heat supply in winter reclaims the circulation of high temperature refrigerant liquid sensible heat simultaneously, winter quick productive life hot water circuit, need simultaneously heating and productive life hot water circuit by the user winter, utilize winter in the course of work of the high temperature refrigerant liquid sensible heat defrost circulation of reclaiming, the 7th flow direction control valve 7-7 opens, the 3rd throttle mechanism 8 operate as normal, its workflow is identical with embodiment 1 corresponding circulation, but it is different that the course of work that summer refrigeration reclaims condensation heat productive life hot water circuit simultaneously and embodiment 1 have, and its workflow is as follows:
During work, the 7th flow direction control valve 7-7 closes, first throttle mechanism 4 operate as normal, the 3rd throttle mechanism 8 is not worked, second throttle mechanism, 5 standard-sized sheets, and the first flow direction control valve 7-1 closes, the second flow direction control valve 7-2 opens, and first triple valve 12 is often opened node A1 and is communicated with commutation Node B 1.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, reclaim condensation of refrigerant heat and produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid or gas-fluid two-phase mixture after emitting heat, successively through the 42 pipeline 42, the 48 pipeline 48, the 3rd check valve 95, the 46 pipeline 46, economizer 11, second throttle mechanism 5, the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, crossed cold or condensation, after refrigerant liquid comes out from heat source side heat exchanger 2, again through the 31 pipeline 31, second cross valve, 70 connected nodes 72,73, the 62 pipeline 62, the second flow direction control valve 7-2 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3 again, absorb user's heat therein by indirect heat exchange, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, and so far finishing freezes a summer reclaims condensation heat productive life hot water circuit simultaneously.
In embodiment 1,2,3,4 described schemes, the 3rd throttle mechanism 8 also can be electric expansion valve; First throttle mechanism 4 also can be heating power expansion valve or capillary, at this moment, a flow direction control valve and first throttle mechanism 4 must be set to be connected in parallel, described flow direction control valve can be a two-way electromagnetic valve, it also can be check valve, when adopting check valve, the check valve arrival end links to each other with pipeline between user side heat exchanger 3 and the first throttle mechanism 4.
In embodiment 1,2,3 described schemes, second throttle mechanism 5 also can be heating power expansion valve or capillary, but when adopting heating power expansion valve, for the multifunctional air-condition heat pump device that utilizes the high temperature refrigerant liquid sensible heat of recovery to defrost winter, another throttle mechanism should be set and second throttle mechanism 5 is connected in parallel, when adopting traditional Defrost method to defrost, when promptly utilizing the heat of room air to carry out contrary circulation hot gas defrosting, can not establish this throttle mechanism, this throttle mechanism can be capillary or heating power expansion valve; For embodiment 4, second throttle mechanism 5 equally also can be heating power expansion valve or capillary, when adopting capillary, a flow direction control valve should be set and second throttle mechanism 5 is connected in parallel, described flow direction control valve can be a two-way electromagnetic valve, when adopting heating power expansion valve, except being provided with a flow direction control valve and second throttle mechanism 5 be connected in parallel, another throttle mechanism should be set also and second throttle mechanism 5 is connected in parallel, when adopting traditional Defrost method to defrost, when promptly utilizing the heat of room air to carry out contrary circulation hot gas defrosting, can not establish this throttle mechanism, this throttle mechanism can be capillary or heating power expansion valve.
At above embodiment 1,2,3, in the 4 described schemes, described second throttle mechanism 5 also can be arranged on the pipeline between the heat source side heat exchanger 2 and the 5th check valve 97 ports of export, but when second throttle mechanism 5 adopts heating power expansion valve or capillary, a flow direction control valve must be set and second throttle mechanism 5 is connected in parallel, described flow direction control valve can be a two-way electromagnetic valve, for embodiment 1,2,3, described flow direction control valve also can be a check valve, when adopting check valve, the check valve arrival end links to each other with pipeline between the heat source side heat exchanger 2 and second throttle mechanism 5.
In above embodiment 1,2,3,4 described schemes, the 3rd throttle mechanism 8 also has following connectivity scenario:
The 3rd throttle mechanism 8 one ends are connected with pipeline between the economizer 11 high-pressure side ports of export and second throttle mechanism 5, and the 3rd throttle mechanism 8 other ends are connected with economizer 11 low-pressure side arrival ends.
Embodiment 1,2,3 the above scheme, when actual moving process realizes some function, sometimes it is cold excessively to the high-temperature high-pressure refrigerant liquid that enters economizer 11 not wish to use the intermediate pressure refrigerant gas-fluid two-phase mixture, at this moment, also can on the 65 pipeline 65 between outlet of economizer 11 low-pressure sides and the screw compressor 1 compressing mechanism middle part gas supplementing opening, establish the 7th flow direction control valve 7-7, be used to control flow of refrigerant, when this flow direction control valve is closed, then there is not the intermediate pressure refrigerant steam to enter gas supplementing opening by the 65 pipeline 65. when the 3rd throttle mechanism 8 is electric expansion valve, described flow direction control valve can be magnetic valve or check valve, when using check valve, described check valve arrival end is connected with the outlet of economizer 11 low-pressure sides, the check valve port of export is connected with screw compressor 1 compressing mechanism middle part gas supplementing opening. and when the 3rd throttle mechanism 8 was heating power expansion valve, described flow direction control valve was a magnetic valve.
For embodiment 4, when the 3rd throttle mechanism 8 is electric expansion valve, the 7th flow direction control valve 7-7 also can be check valve, and described check valve arrival end is connected with the outlet of economizer 11 low-pressure sides, and the check valve port of export is connected with screw compressor 1 compressing mechanism middle part gas supplementing opening; Also can not establish the 7th flow direction control valve 7-7, at this moment, the economizer 11 low-pressure side ports of export are connected with screw compressor 1 compressing mechanism middle part gas supplementing opening by the 65 pipeline 65.
Embodiment 5
Shown in Figure 5, compare with embodiment 1, second cross valve 70 is by the 11 check valve 21, the 12 check valve 22, the flow direction converting that the 13 check valve 23 and the 14 check valve 24 are formed substitutes, described the 11 check valve 21 arrival ends are connected with first cross valve 100 by the 61 pipeline 61, the 11 check valve 21 ports of export are connected with the 12 check valve 22 ports of export, the 12 check valve 22 arrival ends are connected with the end of the first flow direction control valve 7-1 and the second flow direction control valve 7-2 by the 62 pipeline 62 simultaneously, described the 13 check valve 23 ports of export are connected with the 61 pipeline 61 between the 11 check valve 21 arrival ends and first cross valve 100, the 13 check valve 23 arrival ends are connected with the 14 check valve 24 arrival ends, the 14 check valve 24 ports of export are connected with the 62 pipeline 62 between the 12 check valve 22 arrival ends and the first flow direction control valve 7-1 and the second flow direction control valve 7-2, pipeline between the 13 check valve 23 arrival ends and the 14 check valve 24 arrival ends is connected with the 31 pipeline 31, and the pipeline between the 11 check valve 21 ports of export and the 12 check valve 22 ports of export is connected with second heat exchanger, 6 one ends by the 41 pipeline 41.
Such scheme is adapted to above-described all embodiment.
When substituting second cross valve 70 with present embodiment, in order to help to realize simple refrigeration and the function of winter frost removing in summer, the 5th flow direction control valve 7-5 should be set and second heat exchanger 6 is connected in parallel, shown in Figure 5.In running, can also utilize the 5th flow direction control valve 7-5 that the water temperature of second heat exchanger 6 is controlled; But when realizing winter frost removing, can only adopt traditional Defrost mode, promptly utilize user side heat exchanger 3 from user's draw heat, for heat source side heat exchanger 2 defrosts.
Embodiment 6
In embodiment 1 to 4 described scheme, when second cross valve 70 is the air conditioner refrigerating cross valve of routine at present, under some operating condition, the pressure at its high pressure node place can be less than the pressure at low pressure node place, therefore can influence the normal conversion of refrigerant flow direction, so under the situation of using conventional air-conditioning refrigeration cross valve, as shown in Figure 6, the flow direction converting that can adopt conventional air-conditioning refrigeration cross valve the 90, the 15 check valve the 25, the 16 check valve the 26, the 17 check valve the 27, the 18 check valve 28 to be formed substitutes second cross valve 70.Its connected mode is as follows:
Described the 15 check valve 25 arrival ends are connected with first cross valve 100 by the 61 pipeline 61, the 15 check valve 25 ports of export are connected with air conditioner refrigerating cross valve 90 high pressure nodes 91, air conditioner refrigerating cross valve 90 low pressure nodes 93 are connected with the 17 check valve 27 arrival ends, the 17 check valve 27 ports of export are connected with the end of the second flow direction control valve 7-2 with the first flow direction control valve 7-1 by the 62 pipeline 62 simultaneously, described the 16 check valve 26 ports of export are connected with the 61 pipeline 61 between the 15 check valve 25 arrival ends and first cross valve 100, the 16 check valve 26 arrival ends are connected with pipeline between air conditioner refrigerating cross valve 90 low pressure nodes 93 and the 17 check valve 27 arrival ends, described the 18 check valve 28 ports of export are connected with pipeline between the 15 check valve 25 ports of export and the air conditioner refrigerating cross valve 90 high pressure nodes 91, the 18 check valve 28 arrival ends are connected with pipeline between the 17 check valve 27 ports of export and the first flow direction control valve 7-1 and the second flow direction control valve 7-2, any one node 94 in 90 2 commutations of air conditioner refrigerating cross valve node is connected with second heat exchanger, 6 one ends by the 41 pipeline 41, and air conditioner refrigerating cross valve 90 another commutation nodes 92 are connected with the 31 pipeline 31.
The above-mentioned flow direction converting of forming with conventional air-conditioning refrigeration cross valve and four check valves substitutes the scheme of second cross valve 70, in embodiment 3, also can be used for substituting the 3rd cross valve 80.
Embodiment 7
Except embodiment 5 and 6, cross valve also can be substituted by other flow direction converting, the flow direction converting that Fig. 7 is made up of two triple valves, in embodiment 1 to 4 described scheme, it can substitute first cross valve 100 and second cross valve 70 respectively, for embodiment 3, can also be used for substituting the 3rd cross valve 80.
Shown in Figure 7, second cross valve 70 is substituted by the flow direction converting of the 4th triple valve 14 and the 5th triple valve 15 compositions, the 4th triple valve 14 is often opened node A4 and is connected with the 61 pipeline 61, the 5th triple valve 15 is often opened node A5 and is connected with the first flow direction control valve 7-1 and the second flow direction control valve 7-2 simultaneously by the 62 pipeline 62, any one Node B 5 in 15 2 commutations of any one Node B 4 and the 5th triple valve node in 14 2 commutations of the 4th triple valve node is connected with second heat exchanger 6 by the 41 pipeline 41 simultaneously, two two commutation node C4 that triple valve is remaining, C5 is connected with the 31 pipeline 31 simultaneously.
Embodiment 8
Shown in Figure 8, compare with embodiment 1, it has increased by one the 6th flow direction control valve 7-6, the 6th flow direction control valve 7-6 one end is connected with pipeline between the first flow direction control valve 7-1 and second cross valve 70 and the second flow direction control valve 7-2, and the 6th flow direction control valve 7-6 other end is connected with the 65 pipeline 65 between outlet of economizer 11 low-pressure sides and the screw compressor 1 compressing mechanism middle part gas supplementing opening.Present embodiment also has embodiment 1 described nine kinds of functions, but when carrying out needing simultaneously refrigeration and productive life hot water circuit by the user summer, has differently with embodiment 1, and its course of work is as follows:
During work, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 8 be operate as normal all, the first flow direction control valve 7-1, the second flow direction control valve 7-2 close, the 6th flow direction control valve 7-6 opens, first triple valve 12 is often opened node A1 and is communicated with commutation node C1, and second triple valve 13 is often opened node A3 and is communicated with commutation node C3.
During operation, the low-temperature low-pressure refrigerant steam enters screw compressor 1 through the 63 pipeline 63, be compressed into the high-temperature high-pressure refrigerant superheated vapor, superheated vapor is through the 60 pipeline 60, first cross valve, 100 connected nodes 101,104, the 61 pipeline 61, second cross valve, 70 connected nodes 71,74, the 41 pipeline 41 enters second heat exchanger 6 and carries out indirect heat exchange with water, produce low-temperature water heating, and refrigerant vapour becomes refrigerant liquid after emitting heat, again through the 42 pipeline 42, second triple valve 13 is often opened node A3, commutation node C3, the 48 pipeline 48, the 3rd check valve 95 enters the 46 pipeline 46 and is divided into two the tunnel, one tunnel process economizer, 11 high-pressure sides inlet enters economizer 11, another road enters the 3rd throttle mechanism 8 by throttling, cold-producing medium after the throttling becomes the gas-fluid two-phase mixture of intermediate pressure, enter economizer 11 through economizer 11 low-pressure sides inlet, carry out indirect heat exchange with first via high-temperature high-pressure refrigerant liquid, make it cold excessively, after the refrigerant air-liquid two-phase mixture of intermediate pressure absorbs heat, become refrigerant vapour, outlet enters the 65 pipeline 65 through economizer 11 low-pressure sides, be divided into two the tunnel: the one tunnel after high-temperature high-pressure refrigerant liquid after cold exports out from economizer 11 high-pressure sides and enter second throttle mechanism 5 and cross by throttling, cold-producing medium after the throttling becomes the intermediate pressure gas-fluid two-phase mixture, through the 47 pipeline 47, the 5th check valve 97, the 45 pipeline 45 enters heat source side heat exchanger 2 and carries out indirect heat exchange with outdoor air, behind the cold-producing medium absorption chamber outer air heat, become the intermediate pressure refrigerant steam, again successively through the 31 pipeline 31, second cross valve, 70 connected nodes 72,73, the 62 pipeline 62, the 6th flow direction control valve 7-6 also enters the 65 pipeline 65, after the intermediate pressure refrigerant steam that enters the 65 pipeline 65 from the outlet of economizer 11 low-pressure sides mixes, enter screw compressor 1 compressing mechanism middle part gas supplementing opening, another passes by high-temperature high-pressure refrigerant liquid after cold through second check valve 52, first triple valve, 12 commutation node C1, often open node A1, the 50 pipeline 50 enters first throttle mechanism 4 by throttling, cold-producing medium after the throttling becomes the low-temp low-pressure gas-fluid two-phase mixture, enter user side heat exchanger 3, absorb user's heat by indirect heat exchange therein, be user's cooling, after cold-producing medium absorbs user's heat, become the low-temperature low-pressure refrigerant steam, through the 64 pipeline 64, first cross valve, 100 connected nodes 102,103, the 63 pipeline 63 enters screw compressor 1 and is compressed, in compression process, mix with the intermediate pressure refrigerant that enters from compressing mechanism middle part gas supplementing opening, and continued to be compressed to pressure at expulsion, so far finishing needs refrigeration and productive life hot water circuit simultaneously by the user summer.Compare with embodiment 1,, therefore can improve the operational efficiency of whole device owing to reduced screw compressor 1 input low-temperature low-pressure refrigerant vapor flow rate.
Present embodiment is when realizing other function, the 6th flow direction control valve 7-6 closes, and its workflow is identical with embodiment 1 corresponding circulation with the effect of each equipment in system. and the described scheme of present embodiment also can be used for other embodiment. and described the 6th flow direction control valve 7-6 can be magnetic valve.
Shown in Figure 4, when the 65 pipeline 65 is provided with the 7th flow direction control valve 7-7, the connected mode of the 6th flow direction control valve 7-6 is as follows: the 6th flow direction control valve 7-6 one end is connected with pipeline between the first flow direction control valve 7-1 and second cross valve 70 and the second flow direction control valve 7-2, and the 6th flow direction control valve 7-6 other end is connected with pipeline between the 7th flow direction control valve 7-7 and the screw compressor 1 compressing mechanism middle part gas supplementing opening.
Embodiment 9
For the above embodiment, when replacing first check valve 51 respectively with two magnetic valves, during second check valve 52, can not establish among first triple valve, 12. embodiment of being 1 shown in Figure 9, with first magnetic valve 53, second magnetic valve 54 replaces first check valve 51 respectively, situation during second check valve 52. first magnetic valve, 53 1 ends link to each other with pipeline between the first throttle mechanism 4 and the second flow direction control valve 7-2 by the 50 pipeline 50, first magnetic valve, 53 other ends are identical with the link position of replace first check valve, 51 ports of export, second magnetic valve, 54 1 ends link to each other with pipeline between first magnetic valve 53 and the second flow direction control valve 7-2 and the first throttle mechanism 4, second magnetic valve, 54 other ends are identical with the link position of replace second check valve, 52 arrival ends, in the present embodiment, that is: first magnetic valve, 53 other ends are connected with pipeline between economizer 11 high-pressure side arrival ends and the 3rd check valve 95 ports of export and the 6th check valve 98 ports of export; Second magnetic valve, 54 other ends are connected with pipeline between second throttle mechanism 5 and the economizer 11 high-pressure side ports of export.
In other embodiments, when with first magnetic valve 53, when second magnetic valve 54 replaces first check valve 51, second check valve 52 respectively, the connected mode of first magnetic valve 53, second magnetic valve 54 also meets mentioned above principle.
Embodiment 10
The above scheme also can be used for solution dehumidifying air-conditioning system, at this moment, user side heat exchanger 3 be used to cool off from dehumidifier come out by dehumidified air; Second heat exchanger 6 can be a solution heater, utilizes the cold-producing medium heated solution; Second heat exchanger 6 also can be a regenerator, summer circulation time, in internal regenerator, high-temperature high-pressure refrigerant superheated vapor and solution from screw compressor 1 carry out indirect heat exchange, and cold-producing medium becomes refrigerant liquid after emitting heat, and solution is heated after absorbing heat, solution also with from outdoor air directly contacts simultaneously, carry out the wet exchange of heat, solution is dehumidified, obtain regeneration.
Above-mentioned all schemes, described check valve also can be magnetic valves; Described flow direction control valve can be magnetic valve equally; User side heat exchanger 3 also can be the heat exchanger of cold-producing medium-water-to-water heat exchanger or other kind except being cold-producing medium-air heat exchanger; Heat source side heat exchanger 2 is except can being cold-producing medium-air heat exchanger, also can be cold-producing medium-soil heat exchange device, cold-producing medium-water-to-water heat exchanger, also can be evaporating heat exchanger, can also be solar thermal collector, in addition, also can be the heat exchanger of other kind; Second heat exchanger 6 be except can being cold-producing medium-water-to-water heat exchanger, and second heat exchanger 6 also can be cold-producing medium-air heat exchanger, solution heater or solution regenerator or according to the heat exchanger of other kind of using needs.
Screw compressor also can be other compressor with the middle gas compensation function of compression process, for example helical-lobe compressor.

Claims (19)

1, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), first check valve (51), second check valve (52), the 3rd check valve (95), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98), first triple valve (12) and second triple valve (13); Described cross valve (70,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), second heat exchanger (6) other end is connected with the node (A3) of often opening of second triple valve (13) by the 42 pipeline (42), the 4th node (72) of second cross valve (70) is connected with heat source side heat exchanger (2) one ends by the 31 pipeline (31), heat source side heat exchanger (2) other end is connected with the 6th check valve (98) arrival end by the 45 pipeline (45), the 6th check valve (98) port of export is connected with the 3rd check valve (95) port of export by pipeline, the 3rd check valve (95) arrival end is connected by any one node (C3) in (13) two commutations of the 48 pipeline (48) and second triple valve node, another commutation node (B3) of second triple valve (13) is connected with the 31 pipeline (31) between heat source side heat exchanger (2) and second cross valve (70), described the 4th check valve (96) port of export is connected with the 48 pipeline (48) that the 3rd check valve (95) arrival end and second triple valve (13) commutate between the node (C3), the 4th check valve (96) arrival end is connected with the 5th check valve (97) arrival end by pipeline, the 5th check valve (97) port of export is connected with the 45 pipeline (45) between the 6th check valve (98) arrival end and the heat source side heat exchanger (2), described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd check valve (95) port of export and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is by second throttle mechanism (5), the 47 pipeline (47) is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end, pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of pipeline between economizer (11) the high-pressure side port of export and second throttle mechanism (5) is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with pipeline between second throttle mechanism (5) and economizer (11) the high-pressure side port of export, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export with first check valve (51) arrival end, the 48 pipeline (48) between second triple valve (13) commutation node (C3) and the 3rd check valve (95) arrival end and the 4th check valve (96) port of export, any one of the 42 pipeline (42) that second heat exchanger (6) and second triple valve (13) are often opened between the node (A3) is connected.
2, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), the 3rd flow direction control valve (7-3), first check valve (51), second check valve (52), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98), first triple valve (12) and second triple valve (13); Described cross valve (70,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), the 4th node (72) of second cross valve (70) is connected by any one node (B3) in (13) two commutations of the 31 pipeline (31) and second triple valve node, the node (A3) of often opening of second triple valve (13) is connected with heat source side heat exchanger (2) one ends by the 49 pipeline (49), heat source side heat exchanger (2) other end is connected with the 6th check valve (98) arrival end by the 45 pipeline (45), the 6th check valve (98) port of export is connected with the 3rd flow direction control valve (7-3) end by pipeline, the 3rd flow direction control valve (7-3) other end is connected with second heat exchanger (6) other end by the 42 pipeline (42), described the 4th check valve (96) port of export is connected with the 42 pipeline (42) between second heat exchanger (6) and the 3rd flow direction control valve (7-3), the 4th check valve (96) arrival end is connected with the 5th check valve (97) arrival end by pipeline, the 5th check valve (97) port of export is connected with the 45 pipeline (45) between the 6th check valve (98) arrival end and the heat source side heat exchanger (2), another commutation node (C3) of second triple valve (13) is connected with the pipeline between second heat exchanger (6) and the 4th check valve (96) port of export and the 3rd flow direction control valve (7-3), described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is by second throttle mechanism (5), the 47 pipeline (47) is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end, pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export, any one of pipeline between economizer (11) the high-pressure side port of export and second throttle mechanism (5) is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with pipeline between second throttle mechanism (5) and economizer (11) the high-pressure side port of export, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and economizer (11) high-pressure side arrival end and the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export with first check valve (51) arrival end, any one of pipeline between second heat exchanger (6) and the 3rd flow direction control valve (7-3) and the 4th check valve (96) port of export is connected.
3, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), the 3rd cross valve (80), first check valve (51), second check valve (52), the 3rd check valve (95), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98) and first triple valve (12); Described cross valve (70,80,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), second heat exchanger (6) other end is connected with a node (81) of the 3rd cross valve (80) by the 42 pipeline (42), the 4th node (72) of second cross valve (70) is connected with another node (83) of the 3rd cross valve (80) by the 31 pipeline (31), the 3rd node (84) of the 3rd cross valve (80) is connected with heat source side heat exchanger (2) one ends by the 43 pipeline (43), heat source side heat exchanger (2) other end is connected with the 6th check valve (98) arrival end by the 45 pipeline (45), the 6th check valve (98) port of export is connected with the 3rd check valve (95) port of export by pipeline, the 3rd check valve (95) arrival end is connected with the 4th node (82) of the 3rd cross valve (80) by the 44 pipeline (44), described the 4th check valve (96) port of export is connected with the 44 pipeline (44) between the 3rd check valve (95) arrival end and the 3rd cross valve (80), the 4th check valve (96) arrival end is connected with the 5th check valve (97) arrival end by pipeline, the 5th check valve (97) port of export is connected with the 45 pipeline (45) between the 6th check valve (98) arrival end and the heat source side heat exchanger (2), described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd check valve (95) port of export and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is by second throttle mechanism (5), the 47 pipeline (47) is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end, pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of pipeline between economizer (11) the high-pressure side port of export and second throttle mechanism (5) is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with pipeline between second throttle mechanism (5) and economizer (11) the high-pressure side port of export, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and the 3rd cross valve (80) and the 4th check valve (96) port of export and the 3rd check valve (95) arrival end with first check valve (51) arrival end, any one of pipeline between economizer (11) the high-pressure side arrival end and the 6th check valve (98) port of export and the 3rd check valve (95) port of export is connected.
4, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), first check valve (51), second check valve (52), the 3rd check valve (95), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98), first triple valve (12); Described cross valve (70,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), the 4th node (72) of second cross valve (70) is connected with heat source side heat exchanger (2) one ends by the 31 pipeline (31), heat source side heat exchanger (2) other end is connected with the 6th check valve (98) arrival end by the 45 pipeline (45), the 6th check valve (98) port of export is connected with the 3rd check valve (95) port of export by pipeline, the 3rd check valve (95) arrival end is connected with second heat exchanger (6) other end with the 42 pipeline (42) by the 48 pipeline (48), described the 4th check valve (96) port of export is connected with pipeline between the 3rd check valve (95) arrival end and second heat exchanger (6), the 4th check valve (96) arrival end is connected with the 5th check valve (97) arrival end by pipeline, the 5th check valve (97) port of export is connected with the 45 pipeline (45) between the 6th check valve (98) arrival end and the heat source side heat exchanger (2), described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd check valve (95) port of export and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is by second throttle mechanism (5), the 47 pipeline (47) is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end, pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of pipeline between economizer (11) the high-pressure side port of export and second throttle mechanism (5) is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with pipeline between second throttle mechanism (5) and economizer (11) the high-pressure side port of export, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export with first check valve (51) arrival end, any one of pipeline between second heat exchanger (6) and the 3rd check valve (95) arrival end and the 4th check valve (96) port of export is connected.
5, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), first check valve (51), second check valve (52), the 3rd check valve (95), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98), first triple valve (12) and second triple valve (13); Described cross valve (70,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), second heat exchanger (6) other end is connected with the node (A3) of often opening of second triple valve (13) by the 42 pipeline (42), the 4th node (72) of second cross valve (70) is connected with heat source side heat exchanger (2) one ends by the 31 pipeline (31), heat source side heat exchanger (2) other end is connected with the 5th check valve (97) port of export by second throttle mechanism (5), the 5th check valve (97) arrival end is connected with the 4th check valve (96) arrival end by pipeline, the 4th check valve (96) port of export is connected by any one node (C3) in (13) two commutations of the 48 pipeline (48) and second triple valve node, another commutation node (B3) of second triple valve (13) is connected with the 31 pipeline (31) between heat source side heat exchanger (2) and second cross valve (70), described the 3rd check valve (95) arrival end is connected with the 48 pipeline (48) that the 4th check valve (96) port of export and second triple valve (13) commutate between the node (C3), the 3rd check valve (95) port of export is connected with the 6th check valve (98) port of export by pipeline, the 6th check valve (98) arrival end and the 5th check valve (97) port of export, any pipeline between second throttle mechanism (5) and heat source side heat exchanger (2) three is connected, described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd check valve (95) port of export and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end by the 47 pipeline (47), pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of economizer (11) high-pressure side port of export pipeline is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with economizer (11) high-pressure side port of export pipeline, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export with first check valve (51) arrival end, the 48 pipeline (48) between second triple valve (13) commutation node (C3) and the 3rd check valve (95) arrival end and the 4th check valve (96) port of export, any one of the 42 pipeline (42) that second heat exchanger (6) and second triple valve (13) are often opened between the node (A3) is connected.
6, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), the 3rd flow direction control valve (7-3), first check valve (51), second check valve (52), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98), first triple valve (12) and second triple valve (13); Described cross valve (70,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), the 4th node (72) of second cross valve (70) is connected by any one node (B3) in (13) two commutations of the 31 pipeline (31) and second triple valve node, the node (A3) of often opening of second triple valve (13) is connected with heat source side heat exchanger (2) one ends by the 49 pipeline (49), heat source side heat exchanger (2) other end is connected with the 5th check valve (97) port of export by second throttle mechanism (5), the 5th check valve (97) arrival end is connected with the 4th check valve (96) arrival end by pipeline, the 4th check valve (96) port of export is connected with second heat exchanger (6) other end by the 42 pipeline (42), described the 3rd flow direction control valve (7-3) end is connected with the 42 pipeline (42) between second heat exchanger (6) and the 4th check valve (96) port of export, the 3rd flow direction control valve (7-3) other end is connected with the 6th check valve (98) port of export by pipeline, the 6th check valve (98) arrival end and the 5th check valve (97) port of export, any pipeline between second throttle mechanism (5) and heat source side heat exchanger (2) three is connected, another commutation node (C3) of second triple valve (13) is connected with the pipeline between second heat exchanger (6) and the 4th check valve (96) port of export and the 3rd flow direction control valve (7-3), described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end by the 47 pipeline (47), pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export, any one of economizer (11) high-pressure side port of export pipeline is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with economizer (11) high-pressure side port of export pipeline, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and economizer (11) high-pressure side arrival end and the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export with first check valve (51) arrival end, any one of pipeline between second heat exchanger (6) and the 3rd flow direction control valve (7-3) and the 4th check valve (96) port of export is connected.
7, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), the 3rd cross valve (80), first check valve (51), second check valve (52), the 3rd check valve (95), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98) and first triple valve (12); Described cross valve (70,80,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), second heat exchanger (6) other end is connected with a node (81) of the 3rd cross valve (80) by the 42 pipeline (42), the 4th node (72) of second cross valve (70) is connected with another node (83) of the 3rd cross valve (80) by the 31 pipeline (31), the 3rd node (84) of the 3rd cross valve (80) is connected with heat source side heat exchanger (2) one ends by the 43 pipeline (43), heat source side heat exchanger (2) other end is connected with the 5th check valve (97) port of export by second throttle mechanism (5), the 5th check valve (97) arrival end is connected with the 4th check valve (96) arrival end by pipeline, the 4th check valve (96) port of export is connected with the 4th node (82) of the 3rd cross valve (80) by the 44 pipeline (44), described the 3rd check valve (95) arrival end is connected with the 44 pipeline (44) between the 4th check valve (96) port of export and the 3rd cross valve (80), the 3rd check valve (95) port of export is connected with the 6th check valve (98) port of export by pipeline, the 6th check valve (98) arrival end and the 5th check valve (97) port of export, any pipeline between second throttle mechanism (5) and heat source side heat exchanger (2) three is connected, described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd check valve (95) port of export and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end by the 47 pipeline (47), pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of economizer (11) high-pressure side port of export pipeline is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with economizer (11) high-pressure side port of export pipeline, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and the 3rd cross valve (80) and the 4th check valve (96) port of export and the 3rd check valve (95) arrival end with first check valve (51) arrival end, any one of pipeline between economizer (11) the high-pressure side arrival end and the 6th check valve (98) port of export and the 3rd check valve (95) port of export is connected.
8, a kind of multifunctional air-condition heat pump device comprises screw compressor (1), heat source side heat exchanger (2), user side heat exchanger (3), second heat exchanger (6), first throttle mechanism (4), second throttle mechanism (5), first cross valve (100), second cross valve (70), first flow direction control valve (7-1), second flow direction control valve (7-2); It is characterized in that: further comprising the 3rd throttle mechanism (8), economizer (11), first check valve (51), second check valve (52), the 3rd check valve (95), the 4th check valve (96), the 5th check valve (97), the 6th check valve (98), first triple valve (12); Described cross valve (70,100) be respectively equipped with four nodes, a node (101) of first cross valve (100) is connected with screw compressor (1) output by the 60 pipeline (60), another node (103) of first cross valve (100) is connected with screw compressor (1) input by the 63 pipeline (63), the 3rd node (102) of first cross valve (100) is connected with user side heat exchanger (3) one ends by the 64 pipeline (64), the 4th node (104) of first cross valve (100) is connected on the node (71) of second cross valve (70) by the 61 pipeline (61), another node (73) of second cross valve (70) is successively by the 62 pipeline (62), second flow direction control valve (7-2), first throttle mechanism (4) is connected with user side heat exchanger (3) other end, first flow direction control valve (7-1) end is connected with the 64 pipeline (64) between user side heat exchanger (3) and first cross valve (100), first flow direction control valve (7-1) other end is connected with the 62 pipeline (62) between second flow direction control valve (7-2) and second cross valve (70), the 3rd node (74) of second cross valve (70) is connected with second heat exchanger (6) one ends by the 41 pipeline (41), the 4th node (72) of second cross valve (70) is connected with heat source side heat exchanger (2) one ends by the 31 pipeline (31), heat source side heat exchanger (2) other end is connected with the 5th check valve (97) port of export by second throttle mechanism (5), the 5th check valve (97) arrival end is connected with the 4th check valve (96) arrival end by pipeline, the 4th check valve (96) port of export is by the 48 pipeline (48), the 42 pipeline (42) is connected with second heat exchanger (6) other end, described the 3rd check valve (95) arrival end is connected with pipeline between the 4th check valve (96) port of export and second heat exchanger (6), the 3rd check valve (95) port of export is connected with the 6th check valve (98) port of export by pipeline, the 6th check valve (98) arrival end and the 5th check valve (97) port of export, any pipeline between second throttle mechanism (5) and heat source side heat exchanger (2) three is connected, described economizer (11) high-pressure side arrival end is connected with pipeline between the 3rd check valve (95) port of export and the 6th check valve (98) port of export by the 46 pipeline (46), economizer (11) the high-pressure side port of export is connected with pipeline between the 4th check valve (96) arrival end and the 5th check valve (97) arrival end by the 47 pipeline (47), pipeline between described the 3rd throttle mechanism (8) one ends and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of economizer (11) high-pressure side port of export pipeline is connected, the 3rd throttle mechanism (8) other end is connected with economizer (11) low-pressure side arrival end, economizer (11) the low-pressure side port of export is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening by the 65 pipeline (65), the node (A1) of often opening of first triple valve (12) is connected with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), any one node (C1) in (12) two commutations of first triple valve node is connected with second check valve (52) port of export, second check valve (52) arrival end is connected with economizer (11) high-pressure side port of export pipeline, another commutation node (B1) of first triple valve (12) is connected the pipeline between first check valve (51) port of export and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export with first check valve (51) arrival end, any one of pipeline between second heat exchanger (6) and the 3rd check valve (95) arrival end and the 4th check valve (96) port of export is connected.
9, according to any described multifunctional air-condition heat pump device of claim 1 to 8, it is characterized in that second cross valve (70) is by the 11 check valve (21), the 12 check valve (22), the flow direction converting that the 13 check valve (23) and the 14 check valve (24) are formed substitutes, described the 11 check valve (21) arrival end is connected with first cross valve (100) by the 61 pipeline (61), the 11 check valve (21) port of export is connected with the 12 check valve (22) port of export, the 12 check valve (22) arrival end is connected with an end of first flow direction control valve (7-1) and second flow direction control valve (7-2) by the 62 pipeline (62) simultaneously, described the 13 check valve (23) port of export is connected with the 61 pipeline (61) between the 11 check valve (21) arrival end and first cross valve (100), the 13 check valve (23) arrival end is connected with the 14 check valve (24) arrival end, the 14 check valve (24) port of export is connected with the 62 pipeline (62) between the 12 check valve (22) arrival end and first flow direction control valve (7-1) and second flow direction control valve (7-2), pipeline between the 13 check valve (23) arrival end and the 14 check valve (24) arrival end is connected with the 31 pipeline (31), and the pipeline between the 11 check valve (21) port of export and the 12 check valve (22) port of export is connected with second heat exchanger (6) one ends by the 41 pipeline (41).
10, according to any described multifunctional air-condition heat pump device of claim 1 to 8, it is characterized in that described second cross valve (70) is by the 15 check valve (25), the 16 check valve (26), the 17 check valve (27), the flow direction converting that the 18 check valve (28) and air conditioner refrigerating cross valve (90) are formed substitutes, described the 15 check valve (25) arrival end is connected with first cross valve (100) by the 61 pipeline (61), the 15 check valve (25) port of export is connected with air conditioner refrigerating cross valve (90) high pressure node (91), air conditioner refrigerating cross valve (90) low pressure node (93) is connected with the 17 check valve (27) arrival end, the 17 check valve (27) port of export is connected with an end of first flow direction control valve (7-1) and second flow direction control valve (7-2) by the 62 pipeline (62) simultaneously, described the 16 check valve (26) port of export is connected with the 61 pipeline (61) between the 15 check valve (25) arrival end and first cross valve (100), the 16 check valve (26) arrival end is connected with pipeline between air conditioner refrigerating cross valve (90) low pressure node (93) and the 17 check valve (27) arrival end, described the 18 check valve (28) port of export is connected with pipeline between the 15 check valve (25) port of export and air conditioner refrigerating cross valve (90) the high pressure node (91), the 18 check valve (28) arrival end is connected with the 62 pipeline (62) between the 17 check valve (27) port of export and first flow direction control valve (7-1) and second flow direction control valve (7-2), any one node (94) in (90) two commutations of air conditioner refrigerating cross valve node is connected with second heat exchanger (6) by the 41 pipeline (41), and another commutation node (92) of air conditioner refrigerating cross valve (90) is connected with the 31 pipeline (31).
11, according to any described multifunctional air-condition heat pump device of claim 1 to 8, it is characterized in that second cross valve (70) is substituted by the flow direction converting of the 4th triple valve (14) and the 5th triple valve (15) composition, the node (A4) of often opening of the 4th triple valve (14) is connected with the 61 pipeline (61), the node (A5) of often opening of the 5th triple valve (15) is connected with first flow direction control valve (7-1) and second flow direction control valve (7-2) by the 62 pipeline (62) simultaneously, any one node (B5) in (15) two commutations of any one node (B4) and the 5th triple valve node in (14) two commutations of the 4th triple valve node is connected with second heat exchanger (6) by the 41 pipeline (41) simultaneously, two two commutation node (C4 that triple valve is remaining, C5) be connected with the 31 pipeline (31) simultaneously.
12, multifunctional air-condition heat pump device according to claim 9 is characterized in that the 5th flow direction control valve (7-5) and described second heat exchanger (6) are connected in parallel.
13, multifunctional air-condition heat pump device according to claim 1 or 5, it is characterized in that replacing first check valve (51) with first magnetic valve (53) and second magnetic valve (54), second check valve (52) and first triple valve (12), described first magnetic valve (53) one ends link to each other with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), pipeline between first magnetic valve (53) other end and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, the 48 pipeline (48) between second triple valve (13) commutation node (C3) and the 3rd check valve (95) arrival end and the 4th check valve (96) port of export, any one of the 42 pipeline (42) that second heat exchanger (6) and second triple valve (13) are often opened between the node (A3) is connected, described second magnetic valve (54) one ends link to each other with pipeline between first magnetic valve (53) and second flow direction control valve (7-2) and the first throttle mechanism (4), and second magnetic valve (54) other end is connected with economizer (11) high-pressure side port of export pipeline.
14, according to claim 2 or 6 described multifunctional air-condition heat pump devices, it is characterized in that replacing first check valve (51) with first magnetic valve (53) and second magnetic valve (54), second check valve (52) and first triple valve (12), described first magnetic valve (53) one ends link to each other with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), pipeline between first magnetic valve (53) other end and economizer (11) high-pressure side arrival end and the 3rd flow direction control valve (7-3) and the 6th check valve (98) port of export, any one of pipeline between second heat exchanger (6) and the 3rd flow direction control valve (7-3) and the 4th check valve (96) port of export is connected, described second magnetic valve (54) one ends link to each other with pipeline between first magnetic valve (53) and second flow direction control valve (7-2) and the first throttle mechanism (4), and second magnetic valve (54) other end is connected with economizer (11) high-pressure side port of export pipeline.
15, according to claim 3 or 7 described multifunctional air-condition heat pump devices, it is characterized in that replacing first check valve (51) with first magnetic valve (53) and second magnetic valve (54), second check valve (52) and first triple valve (12), described first magnetic valve (53) one ends link to each other with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), pipeline between first magnetic valve (53) other end and the 3rd cross valve (80) and the 4th check valve (96) port of export and the 3rd check valve (95) arrival end, any one of pipeline between economizer (11) the high-pressure side arrival end and the 6th check valve (98) port of export and the 3rd check valve (95) port of export is connected, described second magnetic valve (54) one ends link to each other with pipeline between first magnetic valve (53) and second flow direction control valve (7-2) and the first throttle mechanism (4), and second magnetic valve (54) other end is connected with economizer (11) high-pressure side port of export pipeline.
16, according to claim 4 or 8 described multifunctional air-condition heat pump devices, it is characterized in that replacing first check valve (51) with first magnetic valve (53) and second magnetic valve (54), second check valve (52) and first triple valve (12), described first magnetic valve (53) one ends link to each other with pipeline between first throttle mechanism (4) and second flow direction control valve (7-2) by the 50 pipeline (50), pipeline between first magnetic valve (53) other end and economizer (11) high-pressure side arrival end and the 3rd check valve (95) port of export and the 6th check valve (98) port of export, any one of pipeline between second heat exchanger (6) and the 3rd check valve (95) arrival end and the 4th check valve (96) port of export is connected, described second magnetic valve (54) one ends link to each other with pipeline between first magnetic valve (53) and second flow direction control valve (7-2) and the first throttle mechanism (4), and second magnetic valve (54) other end is connected with economizer (11) high-pressure side port of export pipeline.
17, according to any described multifunctional air-condition heat pump device of claim 1 to 8, it is characterized in that the 6th flow direction control valve (7-6) end is connected with pipeline between first flow direction control valve (7-1) and second cross valve (70) and second flow direction control valve (7-2), the 6th flow direction control valve (7-6) other end is connected with the 65 pipeline (65) between economizer (11) the low-pressure side port of export and screw compressor (1) the compressing mechanism middle part gas supplementing opening.
18, according to any described multifunctional air-condition heat pump device of claim 1 to 8, it is characterized in that the 7th flow direction control valve (7-7) end is connected with economizer (11) the low-pressure side port of export, the 7th flow direction control valve (7-7) other end is connected with screw compressor (1) compressing mechanism middle part gas supplementing opening.
19, multifunctional air-condition heat pump device according to claim 18, it is characterized in that the 6th flow direction control valve (7-6) end is connected with pipeline between first flow direction control valve (7-1) and second cross valve (70) and second flow direction control valve (7-2), the 6th flow direction control valve (7-6) other end is connected with pipeline between the 7th flow direction control valve (7-7) and screw compressor (1) the compressing mechanism middle part gas supplementing opening.
CNB2008101000592A 2008-05-26 2008-06-03 Multifunctional air-condition heat pump device CN100567852C (en)

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CN200810018296.4 2008-05-26
CNB2008101000592A CN100567852C (en) 2008-05-26 2008-06-03 Multifunctional air-condition heat pump device

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