CN207050219U - A kind of carbon dioxide combined heat pump hot water and air-conditioning system - Google Patents
A kind of carbon dioxide combined heat pump hot water and air-conditioning system Download PDFInfo
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- CN207050219U CN207050219U CN201721039070.3U CN201721039070U CN207050219U CN 207050219 U CN207050219 U CN 207050219U CN 201721039070 U CN201721039070 U CN 201721039070U CN 207050219 U CN207050219 U CN 207050219U
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Abstract
The utility model discloses a kind of carbon dioxide combined heat pump hot water and air-conditioning system, is made up of carbon dioxide heat-pump unit, fluorine cycling element and storage tank；Wherein, carbon dioxide heat-pump unit is using carbon dioxide as refrigerant, forms the first heat pump cycle loop；Fluorine cycling element is using freon as refrigerant, and gateable second heat pump cycle loop, heat pump and refrigeration cycle and refrigeration air-conditioner circulation loop are formed using four-way valve and each switching valve.The utility model annual can realize the different working modes of heating, cooling and supplying hot water respectively in wider warm area, and ensure the steady reliable and energy-saving run of system.
Description
Technical field
It the utility model is related to refrigeration and air-conditioning technical field, and in particular to carbon dioxide heat-pump unit is empty with freon heat pump
Adjust the compound heat-pump hot-water of unit and air-conditioning system.
Background technology
China North China and northern area generally produce a large amount of powder using coal heating and offer domestic hot-water, fire coal in the winter time
The pernicious gas such as dirt and sulfur dioxide, using cleaning heating and domestic hot-water's mode of production it is extremely urgent, air energy heat pump with
The factor such as its high efficiency, environment-friendly, easy to use is by attention, the especially rural area in no central heating.
Regular air energy heat pump uses freon class refrigerant, is restricted by its hot physical property, in the temperature bar less than -15 DEG C
Under part, heating capacity and heating efficiency decay are serious, it is impossible to meet the thermal comfort of interior and the demand of domestic water water temperature.Two
Carbonoxide is natural environmental-protective refrigerant, has good thermodynamic property and higher heat transfer coefficient, is had for heat pump higher
The thermal efficiency and high leaving water temperature, but the deficiencies of thermal efficiency is relatively low, system pressure is high in cooling in summer be present.
Chinese utility model patent CN201310573821.X discloses a kind of Teat pump boiler, and it includes water tank, is used for
Heat pump main frame, solar energy photovoltaic panel and the photovoltaic controller heated to the water in water tank, using photovoltaic generation counterglow according to
Bad larger, freon refrigeration heat pump can not meet heating and the supplying hot water demand of low temperature season.
Chinese utility model patent CN201510200855.3 discloses a kind of composite type heat pump assembly, and it includes absorption type heat
Pump, water-water heat exchanger and compression refrigerating machine.But absorption type heat pump assembly is not suitable for house because its build is big, efficiency is low
Front yard is heated, and cost benefit and its commerciality are bad.
Chinese utility model patent CN201510355069.0 discloses a kind of carbon dioxide heat-pump heater, but due to
The limitation of carbon dioxide thermodynamic property, it is not suitable for summer air-conditioning cooling.
Chinese utility model patent CN201610832626 discloses a kind of solar heat pump and water heating system and method, and its is same
Sample is limited by intensity of sunshine and sunshine-duration, and can only prepare hot water, and function is single.
Utility model content
The utility model is to avoid the deficiency present in above-mentioned prior art, there is provided a kind of carbon dioxide combined heat pump
Hot water and air-conditioning system, freon class heat pump unit and carbon dioxide heat-pump unit are combined into hybrid systems, to meet the winter
Season cold district heating and supplying hot water demand, can also meet summer air-conditioning cooling and and supplying hot water, especially suitable for North China
And its northern area is commercial and civilian, East China production high-temperature-hot-water and air conditioner refrigerating also can be suitably used for.
The utility model adopts the following technical scheme that to solve technical problem：
The characteristics of the utility model carbon dioxide combined heat pump hot water and air-conditioning system is that the system is by titanium dioxide
Carbon heat pump unit, fluorine cycling element and storage tank are formed；
The carbon dioxide heat-pump unit is using carbon dioxide as refrigerant, and First Heat Exchanger is arranged on carbon dioxide refrigeration
In the export pipeline of compressor, the first outdoor heat exchanger is arranged in the entrance pipe of carbon dioxide refrigeration compressor, described
First throttle valve is set between First Heat Exchanger and the first outdoor heat exchanger, forms the first heat pump cycle loop；
The fluorine cycling element is using freon as refrigerant, is formed using four-way valve and each switching valve following gateable
Each circulation loop：
Second heat pump cycle loop：From the port of export of the compressor successively first port through four-way valve and second port,
Two switching valves, the second heat exchanger, the 3rd switching valve, the 3rd choke valve enter the second outdoor heat exchanger, then the through four-way valve the 4th
Port and the 3rd port return to the arrival end of compressor；
Heat pump and refrigeration cycle：From the port of export of the compressor successively first port through four-way valve and second port,
Second switching valve, the second heat exchanger, the 3rd switching valve, the 4th switching valve, second throttle, room air cooler, first cuts
Valve is changed, then the 4th port through four-way valve and the 3rd port return to the arrival end of compressor；
Refrigeration air-conditioner circulation loop：From the port of export of the compressor successively first port through four-way valve and the 4th port,
Two outdoor heat exchangers, switching valve, second throttle, room air cooler, the first switching valve, the second switching valve, then through four-way
The second port of valve and the 3rd port return to the arrival end of compressor；
First Heat Exchanger and the second heat exchanger are co-located in storage tank.
The design feature of the utility model carbon dioxide combined heat pump hot water and air-conditioning system is lain also in：The freon
Can be R410, R32 or R134a for environment friendly refrigerating fluid.
The design feature of the utility model carbon dioxide combined heat pump hot water and air-conditioning system is lain also in：The Interior Space
Gas Cooler is indoor air conditioning terminal, can be one or more.
The design feature of the utility model carbon dioxide combined heat pump hot water and air-conditioning system is lain also in：The storage tank
For column, the First Heat Exchanger and the second heat exchanger are respectively positioned at the upper and lower part of column intracoelomic cavity, in the column
The bottom of body sets water supplement port C and water return outlet B, and hot water outlet A is set at the top of column, is met with hot water effluent indoor
Heating and the demand of domestic hot-water's supply.
Compared with the prior art, the utility model beneficial effect is mainly reflected in：
1st, the utility model is integrated with carbon dioxide heat-pump technology and freon class heat pump air conditioner technology.Carbon dioxide heat-pump
Can solve the problems, such as cold district conventional heat pump heat capacity deficiency with Effec-tive Function in low temperature season；The gentle high temperature in
Season freon class heat pump air conditioner has higher Energy Efficiency Ratio, and system can meet the needs of hot water supply and refrigeration air-conditioner simultaneously,
Run to high efficient and reliable in wide warm area, meet a variety of demands such as user's hot water, heating and air conditioner refrigerating.
2nd, the unit volume heating capacity of carbon dioxide is high, belongs to natural refrigerant, good environmental protection, low temperature season heat pump effect
Rate is high, the hot water temperature of production is high, supplement of the utility model using it as freon class heat pump type air conditioning system, widens downwards
The operation temperature area of heat pump, and low temperature season reheating pattern is constituted, conventional freon class heat pump is efficiently solved in cold
Season heats and heat supply water problems；Fluorine unit is run in high temperature season, can both produce hot water, air conditioner refrigerating is provided again, there is system
Heat and refrigerating functions, the thermal efficiency are more than twice of common air-conditioning, and the comprehensive energy efficiency of the annual operation of complete machine is high, and energy-conserving and environment-protective are excellent
Gesture is obvious.
Brief description of the drawings
Fig. 1 is that Tthe utility model system forms schematic diagram；
Label in figure：1 carbon dioxide refrigeration compressor；2 first outdoor heat exchangers；3 first throttle valves；4 First Heat Exchangers；
10 second compressors；11 four-way valves；12 room air coolers；13 second throttle；14 second heat exchangers；15 first switchings
Valve, 25 second switching valves, 35 the 3rd switching valves, 45 the 4th switching valves；20 storage tanks；22 second outdoor heat exchangers, A hot water effluents
Mouth, B water return outlets, C water supplement ports.
Embodiment
Referring to Fig. 1, carbon dioxide combined heat pump hot water and air-conditioning system are by carbon dioxide heat-pump list in the present embodiment
Member, fluorine cycling element and storage tank 20 are formed；
Carbon dioxide heat-pump unit is using carbon dioxide as refrigerant, and First Heat Exchanger 4 is arranged on carbon dioxide refrigeration pressure
In the export pipeline of contracting machine 1, the first outdoor heat exchanger 2 is arranged in the entrance pipe of carbon dioxide refrigeration compressor 1, first
First throttle valve 3 is set between the outdoor heat exchanger 2 of heat exchanger 4 and first, forms the first heat pump cycle loop；Fluorine cycling element is
Using freon as refrigerant, following gateable each circulation loop is formed using four-way valve 11 and each switching valve：
Second heat pump cycle loop：First port and the second end from the port of export of compressor 10 successively through four-way valve 11
Mouth, the second switching valve 25, the second heat exchanger 14, the 3rd switching valve 35, the 3rd choke valve 23 enter the second outdoor heat exchanger 22, then
The arrival end of compressor 10 is returned through the 4th port of four-way valve 11 and the 3rd port.
Heat pump and refrigeration cycle：First port and the second end from the port of export of compressor 10 successively through four-way valve 11
Mouth, the second switching valve 25, the second heat exchanger 14, the 3rd switching valve 35, the 4th switching valve 45, second throttle 13, room air
Cooler 12, the first switching valve 15, then the arrival end through the 4th port of four-way valve 11 and the 3rd port return compressor 10.
Refrigeration air-conditioner circulation loop：First port and the 4th end from the port of export of compressor 10 successively through four-way valve 11
Mouth, the second outdoor heat exchanger 22, switching valve 45, second throttle 13, room air cooler 12, the first switching valve 15, second
Switching valve 25, then the second port through four-way valve 11 and the 3rd port return to the arrival end of compressor 10.
Wherein, it is that the port of the four-way valve 11 that exhaust outlet is connected is designated as first port with the port of export of compressor 10, from
First port rises, and is followed successively by second port, the 3rd port and the 4th port in the direction of the clock, First Heat Exchanger 4 and second are changed
Hot device 14 is co-located in storage tank 20.
In specific implementation, freon is environment friendly refrigerating fluid, such as R410, R32, or R134a etc.；Room air cooler 12
For indoor air conditioning terminal, for the evaporator of pipe sheet type structure, it can be one or more, be released by room air cooler 12
The amount of letting cool, dehumidified for room temperature lowering；Storage tank 20 is column, and the heat exchanger 14 of First Heat Exchanger 4 and second is located at column respectively
The upper and lower part of intracoelomic cavity, water supplement port C and water return outlet B is set in the bottom of column, and hot water is set at the top of column
Water outlet A, meets the needs of indoor heating and domestic hot-water supply with hot water effluent.
The control mode of carbon dioxide combined heat pump hot water and air-conditioning system is controlled using controller in the present embodiment
System is operated by following different pattern：
First mode of operation is the refrigeration work pattern of summer operation：The first heat pump being made up of carbon dioxide heat-pump unit
Circulation loop is out of service；Gating fluorine cycling element is run in refrigeration air-conditioner circulation loop；Made with room air cooler 12
For the evaporator of fluorine cycling element, cool for room air and dehumidify, fluorine cycling element is used as using the second outdoor heat exchanger 22
Condenser is to outdoor heat release.
Second mode of operation is the refrigeration and hot water supply mode of operation of summer operation, while being dehumidified for room temperature lowering
Domestic hot-water is provided, the first heat pump cycle loop being made up of carbon dioxide heat-pump unit is out of service；Gate fluorine cycling element
The evaporator using room air cooler 12 as fluorine cycling element, it is Interior Space in heat pump with being run in refrigeration cycle
Gas cools and dehumidifying, and simultaneously hot water is produced using the second heat exchanger 14 as the condenser of fluorine cycling element, heat release.
3rd mode of operation is hot water supply pattern M1：The first heat pump cycle loop being made up of carbon dioxide heat-pump unit
It is out of service；Gating fluorine cycling element is run in the second heat pump cycle loop, and fluorine circulation loop is used as using the second heat exchanger 14
Condenser, heat release simultaneously produced hot water, absorbed heat using the second outdoor heat exchanger 22 as evaporator from outdoor air.
4th mode of operation is hot water supply pattern M2：Fluorine cycling element is out of service；By carbon dioxide heat-pump unit structure
Into the first heat pump cycle loop put into operation；Gas cooling using First Heat Exchanger 4 as carbon dioxide heat-pump circulation loop
Device, heat release and heat hot water, absorb heat using the first outdoor heat exchanger 2 as evaporator from outdoor air.
5th mode of operation is hot water supply pattern M3：When upper limit outdoor environment temperatures of the outdoor temperature Ta less than setting
Tco, when individually can not meet the requirement of water supply water temperature with the operation of the second heat pump cycle loop, the first heat pump cycle loop and the are set
The Two-way Cycle combined heat-pump mode of operation of two heat pump cycle loop synthetic operations；For the 5th mode of operation, control as follows
Make the synthetic operation in the first heat pump cycle loop and the second heat pump cycle loop：
Detect the leaving water temperature T and outdoor temperature Ta for obtaining hot water outlet A respectively using temperature sensor；Supply water temperature
It is Ts ± Δ Ts to spend setting value, and wherein Δ Ts is the tolerance of supply water temperature；In order to avoid carbon dioxide heat-pump unit compared with
Fallback under high outdoor temperature, the upper limit outdoor environment temperature of carbon dioxide heat-pump unit starting operation is set as Tco, then：
In Ta≤Tco：When T≤Ts-Δ T, and the second heat pump cycle loop continuous service duration reach t1When, start the first heat pump
Circulation loop is run；As T >=Ts+ Δ T, and the first heat pump cycle loop duration reaches t2When, stop the first heat pump cycle
The operation in loop；Wherein t1、t2For setting value.
In specific implementation, set controller be used for detecting system operational factor, and control compressor startup, stop and
Operating capacity adjustment, corresponding circulation loop is gated by each switching valve, meet that whole year is real respectively in wider warm area
The now different working modes of heating, cooling and supplying hot water.
Claims (4)
1. a kind of carbon dioxide combined heat pump hot water and air-conditioning system, it is characterized in that the system is by carbon dioxide heat-pump list
Member, fluorine cycling element and storage tank (20) are formed；
The carbon dioxide heat-pump unit is using carbon dioxide as refrigerant, and First Heat Exchanger (4) is arranged on carbon dioxide refrigeration
In the export pipeline of compressor (1), the first outdoor heat exchanger (2) is arranged on the entrance pipe of carbon dioxide refrigeration compressor (1)
In, first throttle valve (3) is set between the First Heat Exchanger (4) and the first outdoor heat exchanger (2), the first heat pump is formed and follows
Loop back path；
The fluorine cycling element is using freon as refrigerant, is formed using four-way valve (11) and each switching valve following gateable
Each circulation loop：
Second heat pump cycle loop：First port and the second end from the port of export of compressor (10) successively through four-way valve (11)
Mouth, the second switching valve (25), the second heat exchanger (14), the 3rd switching valve (35), the 3rd choke valve (23), which enter outside second Room, to be changed
Hot device (22), then the 4th port through four-way valve (11) and the 3rd port return to the arrival end of compressor (10)；
Heat pump and refrigeration cycle：First port and the second end from the port of export of compressor (10) successively through four-way valve (11)
Mouth, the second switching valve (25), the second heat exchanger (14), the 3rd switching valve (35), the 4th switching valve (45), second throttle
(13), room air cooler (12), the first switching valve (15), then the 4th port through four-way valve (11) and the 3rd port return
The arrival end of compressor (10)；
Refrigeration air-conditioner circulation loop：First port and the 4th end from the port of export of compressor (10) successively through four-way valve (11)
Mouth, the second outdoor heat exchanger (22), switching valve (45), second throttle (13), room air cooler (12), the first switching valve
(15), the second switching valve (25), then the second port through four-way valve (11) and the 3rd port return to the arrival end of compressor (10)；
First Heat Exchanger (4) and the second heat exchanger (14) are co-located in storage tank (20).
2. carbon dioxide combined heat pump hot water according to claim 1 and air-conditioning system, it is characterized in that：The freon
Can be R410, R32 or R134a for environment friendly refrigerating fluid.
3. carbon dioxide combined heat pump hot water according to claim 1 and air-conditioning system, it is characterized in that：The Interior Space
Gas Cooler (12) is indoor air conditioning terminal, can be one or more.
4. carbon dioxide combined heat pump hot water according to claim 1 and air-conditioning system, it is characterized in that：The storage tank
(20) it is column, the First Heat Exchanger (4) and the second heat exchanger (14) are located at the upper and lower part of column intracoelomic cavity respectively,
Water supplement port C and water return outlet B is set in the bottom of the column, hot water outlet A is set at the top of column, gone out with hot water
Water meets the needs of indoor heating and domestic hot-water supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039070.3U CN207050219U (en) | 2017-08-18 | 2017-08-18 | A kind of carbon dioxide combined heat pump hot water and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039070.3U CN207050219U (en) | 2017-08-18 | 2017-08-18 | A kind of carbon dioxide combined heat pump hot water and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207050219U true CN207050219U (en) | 2018-02-27 |
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ID=61503911
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039070.3U Active CN207050219U (en) | 2017-08-18 | 2017-08-18 | A kind of carbon dioxide combined heat pump hot water and air-conditioning system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207050219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328102A (en) * | 2017-08-18 | 2017-11-07 | 中国扬子集团滁州扬子空调器有限公司 | A kind of carbon dioxide combined heat pump hot water and air-conditioning system and its control method |
-
2017
- 2017-08-18 CN CN201721039070.3U patent/CN207050219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328102A (en) * | 2017-08-18 | 2017-11-07 | 中国扬子集团滁州扬子空调器有限公司 | A kind of carbon dioxide combined heat pump hot water and air-conditioning system and its control method |
| CN107328102B (en) * | 2017-08-18 | 2024-02-09 | 安徽扬子空调股份有限公司 | Carbon dioxide composite heat pump hot water and air conditioning system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 239000 No. 588 North Shanghai Road, Yangzi Industrial Development Zone, Chuzhou, Anhui Patentee after: Anhui Yangzi Air Conditioning Co., Ltd Address before: 239000 No. 588 North Shanghai Road, Yangzi Industrial Development Zone, Chuzhou, Anhui Patentee before: CHINA YANGZI GROUP CHUZHOU YANGZI AIR CONDITIONER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |