CN102338503A - Air-conditioning refrigeration equipment - Google Patents

Air-conditioning refrigeration equipment Download PDF

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Publication number
CN102338503A
CN102338503A CN2011103157966A CN201110315796A CN102338503A CN 102338503 A CN102338503 A CN 102338503A CN 2011103157966 A CN2011103157966 A CN 2011103157966A CN 201110315796 A CN201110315796 A CN 201110315796A CN 102338503 A CN102338503 A CN 102338503A
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pipeline
heat exchanger
throttle
valve
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CN2011103157966A
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刘雄
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刘雄
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Priority to CN2011103157966A priority Critical patent/CN102338503A/en
Publication of CN102338503A publication Critical patent/CN102338503A/en
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Abstract

The invention discloses air-conditioning refrigeration equipment, which comprises a compression mechanism, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first throttle mechanism, a second throttle mechanism and a first flow direction control valve, wherein the outlet end of the compression mechanism is connected with the inlet end of the compression mechanism sequentially by a sixtieth pipeline, the third heat exchanger, a sixty-eighth pipeline, the second throttle mechanism, the second heat exchanger, a seventieth pipeline, a sixty-sixth pipeline, the first throttle mechanism, the first heat exchanger and a sixty-third pipeline; one end of the first flow direction control valve is connected with the seventieth pipeline; and the other end of the first flow direction control valve is connected with the sixty-third pipeline between the first heat exchanger and the inlet end of the compression mechanism. The air-conditioning refrigeration equipment has a simple structure, operates reliably, is low in cost and can realize multiple functions of refrigeration, heating, hot-water production and the like.

Description

Operation of air conditioning systems
Technical field
The present invention relates to a kind of operation of air conditioning systems, belong to refrigeration technology field.
Background technology
The refrigeration system of all the time forming by compressing mechanism, condenser, evaporimeter and throttle mechanism; When as refrigeration plant; Utilize evaporimeter that room air is cooled off or produce chilled water, the condensation heat that refrigeration is produced enters environment (as: outdoor air, surface water, underground water or soil etc.) through condenser; When as heat-pump apparatus, utilize evaporimeter from the environment draw heat, heat through condenser production hot water or to room air again.As everyone knows, said system can only satisfy the unitary demand of refrigeration or heating when work, can't in the whole year operation process, satisfy user's refrigeration, heating, domestic hot-water's demand.
Summary of the invention
The purpose of this invention is to provide a kind of can be in the whole year operation process, satisfy user's refrigeration, heating, the operation of air conditioning systems of domestic hot-water's demand.
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 operation of air conditioning systems; Comprise compressing mechanism (1), first heat exchanger (3), second heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (7), the 3rd heat exchanger (8) and first flow direction control valve (41); Said compressing mechanism (1) port of export links to each other with compressing mechanism (1) arrival end through the 60 pipeline (60), the 3rd heat exchanger (8), the 68 pipeline (68), second throttle mechanism (7), second heat exchanger (4), the 70 pipeline (70), the 66 pipeline (66), first throttle mechanism (5), first heat exchanger (3), the 63 pipeline (63) successively; Said first flow direction control valve (41) one ends link to each other with the 70 pipeline (70), and said first flow direction control valve (41) other end links to each other with the 63 pipeline (63) between first heat exchanger (3) and compressing mechanism (1) arrival end.
2, a kind of operation of air conditioning systems; Comprise compressing mechanism (1), first heat exchanger (3), second heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (7), the 3rd heat exchanger (8), second check valve (22), first capillary (10) and second cross valve (6); Said compressing mechanism (1) port of export links to each other with compressing mechanism (1) arrival end through the 60 pipeline (60), the 3rd heat exchanger (8), the 68 pipeline (68), second throttle mechanism (7), second heat exchanger (4), the 70 pipeline (70), the 66 pipeline (66), first throttle mechanism (5), first heat exchanger (3), the 63 pipeline (63) successively; The high pressure node (71) of said second cross valve (6) links to each other with the 60 pipeline (60) between said compressing mechanism (1) port of export and the 3rd heat exchanger (8) through the 51 pipeline (51); The low pressure node (73) of said second cross valve (6) links to each other with the 63 pipeline (63) between said compressing mechanism (1) arrival end and first heat exchanger (3) through the 53 pipeline (53); Any node (74) in (6) two of the said second cross valves switching-over node links to each other through ducted any one between the 52 pipeline (52), first capillary (10) and the 53 pipeline (53), the 63 pipeline (63) or first throttle mechanism (5) and first heat exchanger (3) successively, and another of said second cross valve (6) node (72) that commutates passes through the 54 pipeline (54), second check valve (22) port of export, second check valve (22) arrival end successively and links to each other with the 70 pipeline (70).
The present invention compared with prior art, its beneficial effect is:
1. in running, multiple function be can realize as required, hot water, refrigeration and heating produced;
2. can recycle the condensation heat that operation of air conditioning systems is produced in running;
3. simple in structure, reliable operation, with low cost;
4. the present invention is applicable to industry and civilian operation of air conditioning systems, is specially adapted to the occasion of refrigeration, heating and domestic hot-water's 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 a water heater funnel structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing content of the present invention is done further explain.
Embodiment 1
As shown in Figure 1, present embodiment is a kind of multi-functional operation of air conditioning systems, is used for having the whole year refrigeration, heating and hot water demand's occasion.Entire equipment comprises following part: compressing mechanism 1, first throttle mechanism 5, second throttle mechanism 7, first flow direction control valve 41, first heat exchanger 3, second heat exchanger 4 and the 3rd heat exchanger 8; First throttle mechanism 5, second throttle mechanism 7 are electric expansion valve; First heat exchanger 3 is evaporimeters, is user's refrigeration production chilled water, adopts in shell and tube exchanger, double pipe heat exchanger or the plate type heat exchanger any one usually; Second heat exchanger 4 is heat source side heat exchangers, both can be used as condenser, distributes the condensation heat that refrigeration produces to environment, also can be used as evaporimeter, from environment, absorbs heat; The 3rd heat exchanger 8 is hot-water heaters, and is annual for the user produces hot water, as shown in Figure 7; The water side heat face that the 3rd heat exchanger 8 is produced is used to heat domestic hot-water's (utilizing domestic hot-water's heater 30 to produce); Also be used for heating (shown in Figure 7,40 is heating system, and 50 is water circulating pump) on the other hand; In the winter time, through the heat that adds between electric T-shaped valve 80 allotment heating and the productive life hot water.This operation of air conditioning systems can realize multiple function, and the workflow under each function is described below respectively.
(1) the double recuperation of heat of refrigeration
Under this function, the part condensation heat that the 3rd heat exchanger 8 utilizes refrigeration to be produced is produced hot water, and another part condensation heat enters environment through second heat exchanger 4, and first heat exchanger 3 is user's cooling; First flow direction control valve 41 is closed.
During work, first throttle mechanism 5 operate as normal, second throttle mechanism, 7 standard-sized sheets.Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger the 8, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline the 70, the 66 pipeline 66, first throttle mechanism 5, first heat exchanger the 3, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(2) produce hot water separately
Under this function, second heat exchanger 4 draw heat from environment utilizes the heat of drawing, and in the 3rd heat exchanger 8, produces hot water; First heat exchanger 3 is not worked.
During work, first throttle mechanism 5 closes, second throttle mechanism, 7 operate as normal; First flow direction control valve, 41 standard-sized sheets.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger the 8, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline 70, first flow direction control valve the 41, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(3) winter frost removing
During winter frost removing, its workflow is identical with the double heat recovery function of refrigeration.
Embodiment 2
As shown in Figure 2, present embodiment also is a kind of multi-functional operation of air conditioning systems, is used for having the whole year refrigeration, heating and hot water demand's occasion.With the difference of embodiment 1 is to have increased by second flow direction control valve 42, first check valve 21 in the system.
Their connected modes in system are: first check valve, 21 arrival ends link to each other with the 70 pipeline 70 through the 66 pipeline 66, and first check valve, 21 ports of export link to each other with first heat exchanger 3 through first throttle mechanism 5; Second flow direction control valve, 42 1 ends link to each other with the 68 pipeline 68 between the 3rd heat exchanger 8 and second throttle mechanism 7 through the 62 pipeline 62, and second flow direction control valve, 42 other ends pass through the 69 pipeline 69 and link to each other with pipeline between the first throttle mechanism 5 and first check valve, 21 ports of export.
In the present embodiment course of work, when second flow direction control valve 42 is closed, can realize embodiment 1 described all functions; When second flow direction control valve, 42 standard-sized sheets; And the first throttle mechanism 5 and second throttle mechanism 7 all operate as normal, when first flow direction control valve 41 is opened; Can also realize needing the double hot water function of producing of refrigeration simultaneously by the user; Under this function, refrigerating capacity and hot water amount can be according to user's needs while independent regulation.At this moment, second heat exchanger 4 draw heat from environment, first heat exchanger 3 is user's cooling, condensation heat that refrigeration is produced and the heat of from environment, drawing all are used to produce hot water in the 3rd heat exchanger 8.This function is applicable to that cooling load is little, and heats the big working time section of load.
Present embodiment when needing simultaneously refrigeration to hold concurrently to produce hot water function by the user to work down, first throttle mechanism 5, second throttle mechanism, 7 operate as normal, first flow direction control valve 41, second flow direction control valve, 42 standard-sized sheets.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, through the 60 pipeline 60, the 3rd heat exchanger 8, get into the 68 pipeline 68 and be divided into two-way successively; One the tunnel through second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline 70, first flow direction control valve 41; Get into the 63 pipeline 63; Another road is through the 62 pipeline 62, second flow direction control valve the 42, the 69 pipeline 69, first throttle mechanism 5, first heat exchanger 3; Also get into the 63 pipeline 63, two-way is got back to compressing mechanism 1 arrival end after the 63 pipeline 63 mixes.
Embodiment 3
As shown in Figure 3, the difference of present embodiment and embodiment 1 is to have increased liquid reservoir 9, first check valve 21, second flow direction control valve 42 in the system.
Their connected modes in system are: first throttle mechanism 5 one ends link to each other with first heat exchanger 3; First throttle mechanism 5 other ends link to each other with liquid reservoir 9; First check valve, 21 arrival ends link to each other with the 66 pipeline 66; First check valve, 21 ports of export link to each other with liquid reservoir 9, and second flow direction control valve, 42 1 ends link to each other with the 68 pipeline 68 through the 62 pipeline 62, and second flow direction control valve, 42 other ends link to each other with liquid reservoir 9 through the 69 pipeline 69.
The said scheme of present embodiment is applicable to all embodiment of the present invention.
Embodiment 4
As shown in Figure 4, present embodiment also is a kind of multi-functional operation of air conditioning systems, is used for having the whole year refrigeration, heating and hot water demand's occasion.The difference of present embodiment and embodiment 1 is to have increased by first check valve 21, second flow direction control valve 2, first cross valve 2, three capillary 12 and the 3rd throttle mechanism 13 in the system.
Their connected modes in system are: the 3rd throttle mechanism 13 1 ends link to each other with compressing mechanism 1 port of export through the 3rd heat exchanger the 8, the 60 pipeline 60; The 3rd throttle mechanism 13 other ends link to each other with second throttle mechanism 7 through the 68 pipeline 68; First check valve, 21 arrival ends link to each other with the 70 pipeline 70 through the 66 pipeline 66; First check valve, 21 ports of export link to each other through any node 82 in first throttle mechanism 5,2 two switching-overs of first heat exchanger the 3, the 61 pipeline 61 and first cross valve node successively; The high pressure node 81 of first cross valve 2 links to each other with the 60 pipeline 60; The low pressure node 83 of first cross valve 2 links to each other with compressing mechanism 1 arrival end through the 63 pipeline 63; Another switching-over node 84 of first cross valve 2 links to each other with the 63 pipeline 63 through the 64 pipeline 64, three capillary 12; Second flow direction control valve, 42 1 ends link to each other with the 68 pipeline 68 between second throttle mechanism 7 and the 3rd throttle mechanism 13 through the 62 pipeline 62, and second flow direction control valve, 42 other ends pass through the 69 pipeline 69 and link to each other with pipeline between the first throttle mechanism 5 and first check valve, 21 ports of export.
During work, first heat exchanger 3 is user side heat exchangers, and be user refrigeration as evaporimeter summer, produces chilled water or cooling air, and be user heating as condenser winter, produces hot water or add hot-air; Second heat exchanger 4 is heat source side heat exchangers, both can be used as condenser, distributes the condensation heat that refrigeration produces to environment, also can be used as evaporimeter, from environment, absorbs heat, is user's heating or production hot water; The 3rd heat exchanger 8 is domestic hot-water's heaters, and be user's productive life hot water the whole year.This operation of air conditioning systems can realize multiple function, and the workflow under each function is described below respectively.
(1) the double partly recuperation of heat of refrigeration
Under this function, the part condensation heat productive life hot water that the 3rd heat exchanger 8 utilizes refrigeration to be produced, another part condensation heat enters environment through second heat exchanger 4, and first heat exchanger 3 is user's cooling; First cross valve, 2 high pressure nodes 81 are communicated with the switching-over node 84 of first cross valve 2.
During work, first throttle mechanism 5 operate as normal, second throttle mechanism 7, the 3rd throttle mechanism 13 standard-sized sheets; First flow direction control valve 41, second flow direction control valve 42 are closed.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger 8, the 3rd throttle mechanism the 13, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline the 70, the 66 pipeline 66, first throttle mechanism 5, first heat exchanger the 3, the 61 pipeline 61, first cross valve, 2 switching-over nodes 82, first cross valve, 2 low pressure nodes the 83, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(2) the double full recuperation of heat of refrigeration
Under this function, whole condensation heat productive life hot water that the 3rd heat exchanger 8 utilizes refrigeration to be produced, first heat exchanger 3 is user's cooling; First cross valve, 2 high pressure nodes 81 are communicated with the switching-over node 84 of first cross valve 2.
During work, first throttle mechanism 5 operate as normal, second throttle mechanism 7 cuts out, the 3rd throttle mechanism 13 standard-sized sheets; First flow direction control valve 41, second flow direction control valve, 42 standard-sized sheets.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger 8, the 3rd throttle mechanism the 13, the 68 pipeline the 68, the 62 pipeline 62, second flow direction control valve the 42, the 69 pipeline 69, first throttle mechanism 5, first heat exchanger the 3, the 61 pipeline 61, first cross valve, 2 switching-over nodes 82, first cross valve, 2 low pressure nodes the 83, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(3) independent productive life hot water
Under this function, second heat exchanger 4 draw heat from environment utilizes the heat of drawing, through the 3rd heat exchanger 8 productive life hot water; First heat exchanger 3 is not worked.
During work, first throttle mechanism 5 closes, second throttle mechanism, 7 operate as normal, the 3rd throttle mechanism 13 standard-sized sheets; First flow direction control valve 41, second flow direction control valve, 42 standard-sized sheets; First cross valve, 2 high pressure nodes 81 are communicated with first cross valve, 2 switching-over nodes 84.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger 8, the 3rd throttle mechanism the 13, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline 70, first flow direction control valve the 41, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(4) heat separately winter
Under this function, second heat exchanger 4 draw heat from environment utilizes the heat of drawing, and is user's heating through first heat exchanger 3; The 3rd heat exchanger 8 is not worked.
During work, first throttle mechanism 5 standard-sized sheets, second throttle mechanism, 7 operate as normal, the 3rd throttle mechanism 13 cuts out; First flow direction control valve 41, second flow direction control valve, 42 standard-sized sheets; First cross valve, 2 high pressure nodes 81 are communicated with first cross valve, 2 switching-over nodes 82.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, first cross valve, 2 high pressure nodes 81, first cross valve, 2 switching-over nodes the 82, the 61 pipeline 61, first heat exchanger 3, first throttle mechanism the 5, the 69 pipeline 69, second flow direction control valve the 42, the 62 pipeline the 62, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline 70, first flow direction control valve the 41, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(5) heat separately and productive life hot water winter
Under this function, second heat exchanger 4 draw heat from environment utilizes the heat of drawing, and heats for the user through first heat exchanger 3, through the 3rd heat exchanger 8 productive life hot water.
During work; First throttle mechanism 5, second throttle mechanism 7, the 3rd throttle mechanism 13 be operate as normal all; First throttle mechanism 5, the 3rd throttle mechanism 13 are respectively applied for the superheated refrigerant vapor flow rate of regulating through first heat exchanger 3, the 3rd heat exchanger 8, and second throttle mechanism 7 is used for the throttling of refrigerant liquid; First flow direction control valve 41, second flow direction control valve, 42 standard-sized sheets; First cross valve, 2 high pressure nodes 81 are communicated with first cross valve, 2 switching-over nodes 82.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; One the tunnel successively through first cross valve, 2 high pressure nodes 81, first cross valve, 2 switching-over nodes the 82, the 61 pipeline 61, first heat exchanger 3, first throttle mechanism the 5, the 69 pipeline 69, second flow direction control valve the 42, the 62 pipeline 62, gets into the 68 pipeline 68; Another road through the 3rd heat exchanger 8, the 3rd throttle mechanism 13, also gets into the 68 pipeline 68 successively; The two-way cold-producing medium successively through second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline 70, first flow direction control valve the 41, the 63 pipeline 63, is got back to compressing mechanism 1 arrival end again after the 68 pipeline 68 mixes.
(6) winter frost removing
During winter frost removing, its workflow is held concurrently with refrigeration, and partly heat recovery function is identical.
Embodiment 5
As shown in Figure 5, present embodiment also is a kind of multi-functional operation of air conditioning systems, is used for that refrigeration is arranged the whole year, the occasion of heating and domestic hot-water's demand.With the difference of embodiment 1 is to have substituted first flow direction control valve 41 in embodiment 1 scheme shown in Figure 1 with second cross valve 6, first capillary 10 and second check valve 22 in the system.
Second cross valve 6, first capillary 10 and the connected mode of second check valve 22 in system are: the high pressure node 71 of second cross valve 6 links to each other with the 60 pipeline 60 between compressing mechanism 1 port of export and the 3rd heat exchanger 8 through the 51 pipeline 51; The low pressure node 73 of second cross valve 6 links to each other with the 63 pipeline 63 between compressing mechanism 1 arrival end and first heat exchanger 3 through the 53 pipeline 53; Any node in 6 two of second cross valves switching-over node links to each other with the 70 pipeline 70 through the 54 pipeline 54, second check valve, 22 ports of export, second check valve, 22 arrival ends successively, and ducted any of passing through between the 52 pipeline 52, first capillary 10 and the 53 pipeline the 53, the 63 pipeline 63 or the first throttle mechanism 5 and first heat exchanger 3 of another switching-over node of second cross valve 6 links to each other.
Second cross valve 6, first capillary 10 and the above-mentioned connectivity scenario of second check valve 22 in system are applicable to all embodiment of the present invention.
Present embodiment scheme shown in Figure 5 in the course of work, when the high pressure node 71 of second cross valve 6 and second cross valve, 6 switching-over nodes 72 are communicated with, can realize embodiment 1 described refrigeration hold concurrently heat recovery function and winter frost removing function; When the high pressure node 71 of second cross valve 6 is communicated with second cross valve, 6 switching-over nodes 74, can realize embodiment 1 described independent production hot water function.Workflow under each function is described below.
(1) the double recuperation of heat of refrigeration
Under this function, the part condensation heat that the 3rd heat exchanger 8 utilizes refrigeration to be produced is produced hot water, and another part condensation heat enters environment through second heat exchanger 4, and first heat exchanger 3 is user's cooling; The high pressure node 71 of second cross valve 6 is communicated with second cross valve, 6 switching-over nodes 72.
During work, first throttle mechanism 5 operate as normal, second throttle mechanism, 7 standard-sized sheets.Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger the 8, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline the 70, the 66 pipeline 66, first throttle mechanism 5, first heat exchanger the 3, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(2) produce hot water separately
Under this function, second heat exchanger 4 draw heat from environment utilizes the heat of drawing, and in the 3rd heat exchanger 8, produces hot water; First heat exchanger 3 is not worked.
During work, first throttle mechanism 5 closes, second throttle mechanism, 7 operate as normal; The high pressure node 71 of second cross valve 6 is communicated with second cross valve, 6 switching-over nodes 74.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Through the 60 pipeline 60, the 3rd heat exchanger the 8, the 68 pipeline 68, second throttle mechanism 7, second heat exchanger the 4, the 70 pipeline 70, second check valve, 22 arrival ends, second check valve, 22 ports of export, the 54 pipeline 54, second cross valve, 6 switching-over nodes 72, second cross valve, 6 low pressure nodes the 73, the 53 pipeline the 53, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.
(3) winter frost removing
During winter frost removing, its workflow is identical with the double heat recovery function of refrigeration.
Embodiment 6
Embodiment 5 schemes shown in Figure 5 are in the process that realizes the double heat recovery function of refrigeration; Because the heat radiation of second cross valve 6 and pipe surface; In the process of working long hours; Unavoidably have few part high-temperature high-pressure refrigerant gas and condense into liquid, accumulate in the inner high-pressure side of second cross valve 6 or (with) in the 51 pipeline the 51, the 54 pipeline 54, for avoiding or alleviating the influence that this phenomenon is brought circulation; As shown in Figure 6, in system, set up one second capillary 11.The connected mode of second capillary 11 in system is following.
Scheme one: as shown in Figure 6, an end of second capillary 11 links to each other with the 54 pipeline 54 of second check valve, 22 ports of export, and the other end of second capillary 11 links to each other with the 53 pipeline 53.
One end of two: the second capillaries 11 of scheme links to each other with the 54 pipeline 54 of second check valve, 22 ports of export, and the other end of second capillary 11 links to each other with the 63 pipeline 63.
One end of three: the second capillaries 11 of scheme links to each other with the 54 pipeline 54 of second check valve, 22 ports of export, and the other end of second capillary 11 links to each other with the 70 pipeline 70 of second check valve, 22 arrival ends.
One end of four: the second capillaries 11 of scheme links to each other with the 54 pipeline 54 of second check valve, 22 ports of export, and the other end of second capillary 11 links to each other with pipeline between the first throttle mechanism 5 and first heat exchanger 3.
Embodiment 7
When operation of air conditioning systems of the present invention was designed to split air conditioner, entire equipment partly was made up of outdoor unit and indoor unit two.
Outdoor unit is made up of second throttle mechanism 7 and second heat exchanger 4; Indoor unit is by forming except that second throttle mechanism 7 and other parts second heat exchanger 4 in the operation of air conditioning systems according to the invention; Outdoor unit links to each other through the 68 pipeline the 68, the 70 pipeline 70 with indoor unit.
In the scheme of above-mentioned all embodiment of the present invention, (for example: any one electric expansion valve) or in the flow control device substitutes any throttle mechanism that can both adopt magnetic valve, have turn-off function in said first flow direction control valve 41, second flow direction control valve 42; Compressing mechanism 1 is except can adopting the single stage compress of being made up of at least one compressor; Also can adopt by at least one low-pressure stage compressor and at least one the twin-stage compression that the hiigh pressure stage compressor is formed; At this moment; Low-pressure stage suction port of compressor end links to each other with the 63 pipeline 63; The low-pressure stage compressor outlet links to each other with the 60 pipeline 60 through hiigh pressure stage suction port of compressor end, hiigh pressure stage compressor outlet successively, can certainly adopt the single machine two-stage compress mode of being made up of at least one compressor.
Any one or two whiles in the above low-pressure stage compressor, the hiigh pressure stage compressor, can adopt in the following compressor any one: piston compressor, screw compressor, helical-lobe compressor, rolling rotor compressor, sliding-vane compressor, rotary blade type compressor, centrifugal compressor, digital scroll compressor; Any one or two whiles in low-pressure stage compressor, the hiigh pressure stage compressor, also can be variable conpacitance compressor (for example: frequency-changeable compressor, digital scroll compressor), or constant speed compressor.
In the scheme of above-mentioned all embodiment, compressing mechanism 1 can adopt any one in the following compressor: piston compressor, screw compressor, helical-lobe compressor, rolling rotor compressor, sliding-vane compressor, rotary blade type compressor, centrifugal compressor, digital scroll compressor; Compressing mechanism 1 also can be variable conpacitance compressor (for example: frequency-changeable compressor, digital scroll compressor), or constant speed compressor; The compressor bank that compressing mechanism 1 can also be made up of at least one variable conpacitance compressor, or the compressor bank of forming by at least one constant speed compressor; In addition, compressing mechanism 1 also can be at least one variable conpacitance compressor and at least one the compressor bank that constant speed compressor is formed.
In the scheme of above-mentioned all embodiment, also can adopt magnetic valve, (for example: any one electric expansion valve) or in the flow control device substitutes any or two all check valves in described first check valve 21, second check valve 22 to have the throttle mechanism of turn-off function.
In the scheme of above-mentioned all embodiment, any one in first throttle mechanism 5, second throttle mechanism 7, the 3rd throttle mechanism 13 is the throttle mechanism with turn-off function, for example: electric expansion valve.
In the scheme of above-mentioned all embodiment, first 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; During as cold-producing medium-water-to-water heat exchanger, first heat exchanger 3 adopts any one in plate type heat exchanger, shell and tube exchanger or the double pipe heat exchangers usually.Second heat exchanger 4 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; During as cold-producing medium-water-to-water heat exchanger, second heat exchanger 4 adopts any one in plate type heat exchanger, shell and tube exchanger or the double pipe heat exchangers usually.
The 3rd heat exchanger 8 be except can being cold-producing medium-water-to-water heat exchanger, and the 3rd heat exchanger 8 also can be cold-producing medium-air heat exchanger, solution heater or solution regenerator or according to the heat exchanger of other kind of use needs; During as cold-producing medium-water-to-water heat exchanger, the 3rd heat exchanger 8 adopts any in volumetric heat exchangers, plate type heat exchanger, shell and tube exchanger or the double pipe heat exchanger usually, or the heat exchanger of other kind as required.
In first heat exchanger 3, second heat exchanger 4 or the 3rd heat exchanger 8 any one during as cold-producing medium-air heat exchanger; Usually adopt finned heat exchanger; The fin of said finned heat exchanger is generally the aluminum or aluminum alloy material, also uses copper material in some special occasions.That the shape of fin usually adopts is plate, in ripple type or the slitted fin type any one.

Claims (10)

1. operation of air conditioning systems; Comprise compressing mechanism (1), first heat exchanger (3), second heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (7), the 3rd heat exchanger (8) and first flow direction control valve (41); Said compressing mechanism (1) port of export links to each other with compressing mechanism (1) arrival end through the 60 pipeline (60), the 3rd heat exchanger (8), the 68 pipeline (68), second throttle mechanism (7), second heat exchanger (4), the 70 pipeline (70), the 66 pipeline (66), first throttle mechanism (5), first heat exchanger (3), the 63 pipeline (63) successively; Said first flow direction control valve (41) one ends link to each other with the 70 pipeline (70), and said first flow direction control valve (41) other end links to each other with the 63 pipeline (63) between first heat exchanger (3) and compressing mechanism (1) arrival end.
2. operation of air conditioning systems; Comprise compressing mechanism (1), first heat exchanger (3), second heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (7), the 3rd heat exchanger (8), second check valve (22), first capillary (10) and second cross valve (6); Said compressing mechanism (1) port of export links to each other with compressing mechanism (1) arrival end through the 60 pipeline (60), the 3rd heat exchanger (8), the 68 pipeline (68), second throttle mechanism (7), second heat exchanger (4), the 70 pipeline (70), the 66 pipeline (66), first throttle mechanism (5), first heat exchanger (3), the 63 pipeline (63) successively; The high pressure node (71) of said second cross valve (6) links to each other with the 60 pipeline (60) between said compressing mechanism (1) port of export and the 3rd heat exchanger (8) through the 51 pipeline (51); The low pressure node (73) of said second cross valve (6) links to each other with the 63 pipeline (63) between said compressing mechanism (1) arrival end and first heat exchanger (3) through the 53 pipeline (53); Any node (74) in (6) two of the said second cross valves switching-over node links to each other through ducted any one between the 52 pipeline (52), first capillary (10) and the 53 pipeline (53), the 63 pipeline (63) or first throttle mechanism (5) and first heat exchanger (3) successively, and another of said second cross valve (6) node (72) that commutates passes through the 54 pipeline (54), second check valve (22) port of export, second check valve (22) arrival end successively and links to each other with the 70 pipeline (70).
3. operation of air conditioning systems according to claim 1 and 2; It is characterized in that first check valve (21) arrival end links to each other with the 70 pipeline (70) through the 66 pipeline (66), said first check valve (21) port of export links to each other with first heat exchanger (3) through first throttle mechanism (5); Second flow direction control valve (42) one ends link to each other with the 68 pipeline (68) between the 3rd heat exchanger (8) and second throttle mechanism (7) through the 62 pipeline (62), and said second flow direction control valve (42) other end passes through the 69 pipeline (69) and links to each other with pipeline between the said first throttle mechanism (5) and first check valve (21) port of export.
4. operation of air conditioning systems according to claim 3; It is characterized in that said first throttle mechanism (5) one ends link to each other with first heat exchanger (3); Said first throttle mechanism (5) other end links to each other with liquid reservoir (9); First check valve (21) arrival end links to each other with the 66 pipeline (66); Said first check valve (21) port of export links to each other with said liquid reservoir (9), and said second flow direction control valve (42) one ends link to each other with described the 68 pipeline (68) through the 62 pipeline (62), and said second flow direction control valve (42) other end links to each other with said liquid reservoir (9) through the 69 pipeline (69).
5. operation of air conditioning systems according to claim 1 and 2; It is characterized in that the 3rd throttle mechanism (13) one ends link to each other with said compressing mechanism (1) port of export through said the 3rd heat exchanger (8), the 60 pipeline (60); Said the 3rd throttle mechanism (13) other end links to each other with second throttle mechanism (7) through the 68 pipeline (68); First check valve (21) arrival end links to each other with the 70 pipeline (70) through the 66 pipeline (66); Said first check valve (21) port of export links to each other through any node (82) in first throttle mechanism (5), first heat exchanger (3), (2) two switching-overs of the 61 pipeline (61) and first cross valve node successively; The high pressure node (81) of said first cross valve (2) links to each other with the 60 pipeline (60); The low pressure node (83) of said first cross valve (2) links to each other with said compressing mechanism (1) arrival end through the 63 pipeline (63); Another switching-over node (84) of said first cross valve (2) links to each other with the 63 pipeline (63) through the 64 pipeline (64), three capillary (12); Second flow direction control valve (42) one ends link to each other with the 68 pipeline (68) between said second throttle mechanism (7) and the 3rd throttle mechanism (13) through the 62 pipeline (62), and said second flow direction control valve (42) other end passes through the 69 pipeline (69) and links to each other with pipeline between the said first throttle mechanism (5) and first check valve (21) port of export.
6. operation of air conditioning systems according to claim 5; It is characterized in that said first throttle mechanism (5) one ends link to each other with first heat exchanger (3); Said first throttle mechanism (5) other end links to each other with liquid reservoir (9); First check valve (21) arrival end links to each other with the 66 pipeline (66); Said first check valve (21) port of export links to each other with said liquid reservoir (9), and said second flow direction control valve (42) one ends link to each other with described the 68 pipeline (68) through the 62 pipeline (62), and said second flow direction control valve (42) other end links to each other with said liquid reservoir (9) through the 69 pipeline (69).
7. operation of air conditioning systems according to claim 1 is characterized in that said first flow direction control valve (41) is a magnetic valve.
8. operation of air conditioning systems according to claim 1 and 2 is characterized in that any in said first throttle mechanism (5), second throttle mechanism (7) is electric expansion valve.
9. operation of air conditioning systems according to claim 3 is characterized in that said second flow direction control valve (42) is a magnetic valve.
10. operation of air conditioning systems according to claim 5 is characterized in that said the 3rd throttle mechanism (13) is an electric expansion valve.
CN2011103157966A 2011-10-05 2011-10-05 Air-conditioning refrigeration equipment Pending CN102338503A (en)

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CN106907881A (en) * 2015-12-23 2017-06-30 浙江三花汽车零部件有限公司 The control method of refrigerant controller, heat-exchange system and the refrigerant controller

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DE3139062A1 (en) * 1981-10-01 1983-04-14 Volkswagenwerk Ag Parallel/bivalently operating heat pump arrangement with a burner generating smoke gases
JPH0960994A (en) * 1995-08-22 1997-03-04 Mitsubishi Heavy Ind Ltd Multi type heat pump system air conditioner
CN101929760B (en) * 2009-06-25 2013-01-30 海尔集团公司 Hot water air conditioner
CN201583048U (en) * 2009-12-24 2010-09-15 Tcl集团股份有限公司 Heat pump water heater
CN201724343U (en) * 2010-06-08 2011-01-26 陈增华 Heat recovery type air energy air-condition water heater

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CN102901165A (en) * 2012-03-23 2013-01-30 刘雄 Air treatment equipment water system
CN102901165B (en) * 2012-03-23 2016-12-21 刘雄 Air treatment equipment water system
CN106907881A (en) * 2015-12-23 2017-06-30 浙江三花汽车零部件有限公司 The control method of refrigerant controller, heat-exchange system and the refrigerant controller

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