CN201885478U - Low temperature type air source heat pump unit - Google Patents
Low temperature type air source heat pump unit Download PDFInfo
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- CN201885478U CN201885478U CN2010206692499U CN201020669249U CN201885478U CN 201885478 U CN201885478 U CN 201885478U CN 2010206692499 U CN2010206692499 U CN 2010206692499U CN 201020669249 U CN201020669249 U CN 201020669249U CN 201885478 U CN201885478 U CN 201885478U
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Abstract
The utility model discloses a low temperature type air source heat pump unit which comprises a closed refrigerant circulation loop and is characterized in that the closed refrigerant circulation loop comprises an intermediate air supply compressor, a four-way valve, a finned cooler, a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve, a liquid reservoir, an auxiliary expansion valve, an economizer, a main expansion valve, an evaporator and a gas-liquid separator. The low temperature type air source heat pump unit adopts the intermediate air supply compressor to increase the enthalpy difference of a liquid refrigerant flowing across an outdoor heat exchanger by increasing the circulation quantity of the refrigerant under the low temperature environment of the compressor, thereby increasing the heating capacity. The low temperature type air source heat pump unit overcomes the difficulty that the low temperature type air source heat pump unit can not be applied into wet and cold areas with higher humidity and solves the problem that the heating expenses are high in the areas.
Description
Technical field
The utility model relates to a kind of net for air-source heat pump units, particularly a kind of low form net for air-source heat pump units.
Background technology
Air source heat pump is the unlimited energy that is tending towards that utilizes in the air to be contained, and flow to temperature higher outdoor with indoor heat summer, makes the room nice and cool; Can utilize the heat heat supply in the outdoor air winter, make the room warm.Because the real refrigeration of this central air-conditioning, heating-amount are from outdoor air, when freezing summer, do not need cooling water system, so it is very economical on the operating cost, also can save great amount of water resources, produce without any pollutant during simultaneity factor work, meet very much the trend and the policy of China's energy-conserving and environment-protective.Net for air-source heat pump units is owing to advantages such as environmental protection and energy saving, simple installation obtain more and more widely application.But be subjected to the restriction of weather conditions, net for air-source heat pump units in the North China and the bigger clammy area of winter air humidity ratio be subjected to serious restriction.
Summary of the invention
The utility model provides a kind of low form net for air-source heat pump units for solving the technical problem that exists in the known technology, it can be under-20 ℃ of low temperature environments reliability service, satisfy the warm demand of clammy area system.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of low form net for air-source heat pump units, comprise the sealing refrigerant circulation circuit, air supply compressor in the middle of described sealing refrigerant circulation circuit comprises, cross valve, finned cooler, first check valve, second check valve, the 3rd check valve, the 4th check valve, reservoir, secondary expansion valve, economizer, main expansion valve, evaporimeter and gas-liquid separator, air supply compressor is provided with an exhaust outlet in the middle of described, a main air entry and a secondary air entry, the exhaust outlet of air supply compressor is connected with the exhaust port of described cross valve in the middle of described, refrigerant inlet under the condenser interface of described cross valve and the described finned cooler cooling condition is connected, refrigerant exit under the described finned cooler cooling condition is connected with the inlet of first check valve, the outlet of described first check valve is connected with the inlet of described reservoir, the outlet of described reservoir is connected respectively with the main road inlet of the inlet of described secondary expansion valve and described economizer, the outlet of described secondary expansion valve is connected with the bypass of described economizer inlet, the bypass outlet of described economizer and the secondary air entry of described middle air supply compressor are connected, the main road outlet of described economizer is connected with the inlet of described main expansion valve, the outlet of described main expansion valve is connected respectively with the inlet of described the 4th check valve and the inlet of described second check valve, refrigerant inlet under the outlet of described the 4th check valve and the described evaporimeter cooling condition is connected, refrigerant exit under the described evaporimeter cooling condition is connected with the evaporimeter interface of described cross valve, the return-air interface of described cross valve is connected with the inlet of described gas-liquid separator, the outlet of described gas-liquid separator is connected with the main air entry of described middle air supply compressor, the outlet of described second check valve is connected with refrigerant exit under the described finned cooler cooling condition, the inlet of described second check valve is connected with the outlet of described main expansion valve, refrigerant inlet under the described evaporimeter cooling condition is connected with the inlet of described the 3rd check valve, and the outlet of described the 3rd check valve is connected with the inlet of described reservoir.
The utility model can also adopt following technical scheme:
Be connected with the bypass device for drying and filtering between the outlet of described reservoir and the inlet of described secondary expansion valve.
Be connected with the main road device for drying and filtering between the main road outlet of described economizer and the inlet of described main expansion valve.
Advantage and the good effect that the utlity model has are: air supply compressor in the middle of adopting by increasing the refrigerant circulation under the compressor low temperature environment, increases the liquid refrigerant enthalpy difference of the outdoor heat exchanger of flowing through, thereby increases heating capacity.Overcome the difficulty that net for air-source heat pump units can not be used in the bigger clammy area of humidity ratio, solved the warm high problem of expense of above-mentioned area system.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, middle air supply compressor, 2, cross valve, 3, finned cooler, 4, second check valve, 5, reservoir, 6, secondary expansion valve, 7, economizer, 8, main expansion valve, 9, evaporimeter, 10, gas-liquid separator, 11, first check valve, the 12, the 3rd check valve, the 13, the 4th check valve, 14, bypass device for drying and filtering, 15, the main road device for drying and filtering.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, solid arrow is a kind of refrigeration cycle among the figure, dotted arrow is for heating circulation, a kind of low form net for air-source heat pump units, comprise the sealing refrigerant circulation circuit, air supply compressor 1 in the middle of the sealing refrigerant circulation circuit comprises, cross valve 2, finned cooler 3, first check valve 11, second check valve 4, the 3rd check valve 12, the 4th check valve 13, reservoir 5, secondary expansion valve 6, economizer 7, main expansion valve 8, evaporimeter 9 and gas-liquid separator 10, middle air supply compressor 1 is provided with an exhaust outlet, a main air entry and a secondary air entry, the exhaust outlet of middle air supply compressor 1 is connected with the exhaust port of cross valve 2, refrigerant inlet under the condenser interface of cross valve 2 and finned cooler 3 cooling conditions is connected, refrigerant exit under finned cooler 3 cooling conditions is connected with the inlet of first check valve 11, the outlet of first check valve 11 is connected with the inlet of reservoir 5, the outlet of reservoir 5 is connected respectively with the inlet of secondary expansion valve 6 and the main road inlet of economizer 7, the outlet of secondary expansion valve 6 and the bypass of economizer 7 inlet are connected, the bypass outlet of economizer 7 is connected with the secondary air entry of middle air supply compressor 1, the main road outlet of economizer 7 is connected with the inlet of main expansion valve 8, the outlet of main expansion valve 8 is connected respectively with the inlet of the 4th check valve 13 and the inlet of second check valve 4, refrigerant inlet under the outlet of the 4th check valve 13 and evaporimeter 9 cooling conditions is connected, refrigerant exit under evaporimeter 9 cooling conditions is connected with the evaporimeter interface of cross valve 2, the return-air interface of cross valve 2 is connected with the inlet of gas-liquid separator 10, the outlet of gas-liquid separator 10 is connected with the main air entry of middle air supply compressor 1, the outlet of second check valve 4 is connected with refrigerant exit under finned cooler 3 cooling conditions, the inlet of second check valve 4 is connected with the outlet of main expansion valve 8, refrigerant inlet under evaporimeter 9 cooling conditions is connected with the inlet of the 3rd check valve 12, and the outlet of the 3rd check valve 12 is connected with the inlet of reservoir 5.Between the inlet of the outlet of reservoir 5 and secondary expansion valve 6, be connected with bypass device for drying and filtering 14, between the inlet of the main road outlet of economizer 7 and main expansion valve 8, be connected with main road device for drying and filtering 15.
Operation principle of the present utility model:
During the unit refrigerating operaton, middle air supply compressor 1 sucks refrigerant gas in gas-liquid separator 10 and the economizer 7 respectively, discharge gases at high pressure after the compressed supercharging, enter finned cooler 3 through cross valve 2, in finned cooler 3 with the air heat exchange after, be cooled to highly pressurised liquid, then by first check valve 11, flow into reservoir 5, liquid is divided into two-way, after the bypass device for drying and filtering 14 of leading up to filters, removes moisture and impurity, arrive secondary expansion valve 6 again, enter enter behind economizer 7 and the refrigerant liquid heat exchange in the middle of air supply compressor 1 secondary air entry (jet); Other one road liquid enter economizer 7 cross cold after, after 15 filtrations of main road device for drying and filtering, remove moisture and impurity, through the 4th check valve 13, puffing becomes the cold-producing medium liquid-vapor mixture of low-pressure low-temperature after main expansion valve 8 throttlings, evenly enters in the evaporimeter 9, at this, refrigerant liquid absorbs heat in evaporimeter 9, water is cooled, and cooled water is delivered to heat in the indoor fan coil pipe absorption chamber.Low-pressure low-temperature gas comes out from evaporimeter 9, and to middle air supply compressor 1 main air entry, and the fluid that guarantees to get back to compressor all is a gas through gas-liquid separator 10.So far, finish a kind of refrigeration cycle.During the unit heating operation, middle air supply compressor 1 sucks refrigerant gas in gas-liquid separator 10 and the economizer 7 respectively, discharge gases at high pressure after the compressed supercharging, enter evaporimeter 9 through cross valve 2, in evaporimeter 9 with the heat exchange of indoor fan coil pipe backwater after, be sent to the indoor fan coil pipe behind the water absorption heat and carry out heat exchange, cold-producing medium is cooled to highly pressurised liquid, by the 3rd check valve 12, flow into reservoir 5 then, liquid is divided into two-way, after the bypass device for drying and filtering 14 of leading up to filters, remove moisture and impurity, arrive secondary expansion valve 6 again, enter centre air supply compressor 1 secondary air entry (jet) after entering economizer 7 and refrigerant liquid heat exchange; Other one road liquid enter economizer 7 cross cold after, after 15 filtrations of main road device for drying and filtering, remove moisture and impurity, after main expansion valve 8 throttlings through second check valve 4, puffing becomes the cold-producing medium liquid-vapor mixture of low-pressure low-temperature, evenly enter in the finned cooler 3, at this, refrigerant liquid carries out heat exchange at finned cooler 3 and air.Low-pressure low-temperature gas comes out from finned cooler 3, and to middle air supply compressor 1 main air entry, and the fluid that guarantees to get back to compressor all is a gas through gas-liquid separator 10.So far, finish one and heat circulation.
Air supply compressor in the middle of the utility model adopts can increase the enthalpy principle by injection and increase compressor low temperature environment refrigerant circulation down, increases the liquid refrigerant enthalpy difference of the outdoor heat exchanger of flowing through, thus the increase heating capacity.
Claims (3)
1. low form net for air-source heat pump units, comprise the sealing refrigerant circulation circuit, it is characterized in that, air supply compressor in the middle of described sealing refrigerant circulation circuit comprises, cross valve, finned cooler, first check valve, second check valve, the 3rd check valve, the 4th check valve, reservoir, secondary expansion valve, economizer, main expansion valve, evaporimeter and gas-liquid separator, air supply compressor is provided with an exhaust outlet in the middle of described, a main air entry and a secondary air entry, the exhaust outlet of air supply compressor is connected with the exhaust port of described cross valve in the middle of described, refrigerant inlet under the condenser interface of described cross valve and the described finned cooler cooling condition is connected, refrigerant exit under the described finned cooler cooling condition is connected with the inlet of first check valve, the outlet of described first check valve is connected with the inlet of described reservoir, the outlet of described reservoir is connected respectively with the main road inlet of the inlet of described secondary expansion valve and described economizer, the outlet of described secondary expansion valve is connected with the bypass of described economizer inlet, the bypass outlet of described economizer and the secondary air entry of described middle air supply compressor are connected, the main road outlet of described economizer is connected with the inlet of described main expansion valve, the outlet of described main expansion valve is connected respectively with the inlet of described the 4th check valve and the inlet of described second check valve, refrigerant inlet under the outlet of described the 4th check valve and the described evaporimeter cooling condition is connected, refrigerant exit under the described evaporimeter cooling condition is connected with the evaporimeter interface of described cross valve, the return-air interface of described cross valve is connected with the inlet of described gas-liquid separator, the outlet of described gas-liquid separator is connected with the main air entry of described middle air supply compressor, the outlet of described second check valve is connected with refrigerant exit under the described finned cooler cooling condition, the inlet of described second check valve is connected with the outlet of described main expansion valve, refrigerant inlet under the described evaporimeter cooling condition is connected with the inlet of described the 3rd check valve, and the outlet of described the 3rd check valve is connected with the inlet of described reservoir.
2. low form net for air-source heat pump units according to claim 1 is characterized in that, is connected with the bypass device for drying and filtering between the outlet of described reservoir and the inlet of described secondary expansion valve.
3. low form net for air-source heat pump units according to claim 1 and 2 is characterized in that, is connected with the main road device for drying and filtering between the main road outlet of described economizer and the inlet of described main expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206692499U CN201885478U (en) | 2010-12-20 | 2010-12-20 | Low temperature type air source heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206692499U CN201885478U (en) | 2010-12-20 | 2010-12-20 | Low temperature type air source heat pump unit |
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| CN201885478U true CN201885478U (en) | 2011-06-29 |
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| CN2010206692499U Expired - Fee Related CN201885478U (en) | 2010-12-20 | 2010-12-20 | Low temperature type air source heat pump unit |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435004A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | Multifunctional high-temperature water outlet air-conditioning heat pump unit |
| CN102434993A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | R32 air-cooled cold water heat pump unit adopting liquid injection compressor |
| CN102434995A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | R32 air-cooling cold water heat pump unit adopting EVI (Economizer Vapor Injection) compressor |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN102748905A (en) * | 2012-07-02 | 2012-10-24 | 江苏瀚艺商用空调有限公司 | One-way valve module of air conditioning unit |
| CN102798214A (en) * | 2012-07-27 | 2012-11-28 | 太原理工大学 | Air source heat pump water heater unit with phase change heat accumulation |
| CN102914078A (en) * | 2012-11-20 | 2013-02-06 | 江苏瀚艺商用空调有限公司 | Enhanced vapor injection type air-conditioning unit |
| CN103471276A (en) * | 2013-09-27 | 2013-12-25 | 深圳麦克维尔空调有限公司 | Air-injection enthalpy-increasing air conditioning device |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioning system |
| CN105588358A (en) * | 2014-11-13 | 2016-05-18 | 海信（山东）空调有限公司 | Air supplementing and enthalpy increasing air conditioner system and air conditioner |
| CN105674634A (en) * | 2016-01-18 | 2016-06-15 | 山西永有制冷科技有限公司 | Freon hydraulic filling type system flashing barrel economizer |
| CN107014076A (en) * | 2017-05-27 | 2017-08-04 | 中原工学院 | A kind of three pressure high-efficiency air cooling Teat pump boilers suitable for high and low temperature environment |
| CN107504709A (en) * | 2017-09-19 | 2017-12-22 | 山东凯丰节能科技有限公司 | A kind of ultralow temperature Multifunctional heat pump system |
| CN107677009A (en) * | 2017-11-20 | 2018-02-09 | 广东美的制冷设备有限公司 | Air-conditioner system, progress control method and computer-readable recording medium |
| CN107830654A (en) * | 2017-12-01 | 2018-03-23 | 湖南埃瓦新能源科技有限公司 | Low temperature environment cold and heat air energy heat pump |
| CN108362040A (en) * | 2018-04-04 | 2018-08-03 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
| CN108387033A (en) * | 2018-04-04 | 2018-08-10 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
| CN109028640A (en) * | 2018-07-03 | 2018-12-18 | 浙江国祥股份有限公司 | A kind of air source heat pump and its flow control technique |
| CN110160183A (en) * | 2019-05-31 | 2019-08-23 | 天普新能源科技有限公司 | Gas-supplying enthalpy-increasing air source heat pump |
| CN113513859A (en) * | 2020-04-09 | 2021-10-19 | 恒泽节能有限公司 | Total energy heat pump with high outlet water temperature |
| CN115682457A (en) * | 2022-09-22 | 2023-02-03 | 珠海格力电器股份有限公司 | Air conditioning system with heat exchange structure |
-
2010
- 2010-12-20 CN CN2010206692499U patent/CN201885478U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435004A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | Multifunctional high-temperature water outlet air-conditioning heat pump unit |
| CN102434993A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | R32 air-cooled cold water heat pump unit adopting liquid injection compressor |
| CN102434995A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | R32 air-cooling cold water heat pump unit adopting EVI (Economizer Vapor Injection) compressor |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN102748905A (en) * | 2012-07-02 | 2012-10-24 | 江苏瀚艺商用空调有限公司 | One-way valve module of air conditioning unit |
| CN102798214A (en) * | 2012-07-27 | 2012-11-28 | 太原理工大学 | Air source heat pump water heater unit with phase change heat accumulation |
| CN102798214B (en) * | 2012-07-27 | 2015-04-08 | 太原理工大学 | Air source heat pump water heater unit with phase change heat accumulation |
| CN102914078A (en) * | 2012-11-20 | 2013-02-06 | 江苏瀚艺商用空调有限公司 | Enhanced vapor injection type air-conditioning unit |
| CN103471276A (en) * | 2013-09-27 | 2013-12-25 | 深圳麦克维尔空调有限公司 | Air-injection enthalpy-increasing air conditioning device |
| CN105588358A (en) * | 2014-11-13 | 2016-05-18 | 海信（山东）空调有限公司 | Air supplementing and enthalpy increasing air conditioner system and air conditioner |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioning system |
| CN105674634A (en) * | 2016-01-18 | 2016-06-15 | 山西永有制冷科技有限公司 | Freon hydraulic filling type system flashing barrel economizer |
| CN107014076A (en) * | 2017-05-27 | 2017-08-04 | 中原工学院 | A kind of three pressure high-efficiency air cooling Teat pump boilers suitable for high and low temperature environment |
| CN107504709B (en) * | 2017-09-19 | 2023-05-02 | 山东凯丰节能科技股份有限公司 | Ultralow temperature type multifunctional heat pump system |
| CN107504709A (en) * | 2017-09-19 | 2017-12-22 | 山东凯丰节能科技有限公司 | A kind of ultralow temperature Multifunctional heat pump system |
| CN107677009A (en) * | 2017-11-20 | 2018-02-09 | 广东美的制冷设备有限公司 | Air-conditioner system, progress control method and computer-readable recording medium |
| CN107830654A (en) * | 2017-12-01 | 2018-03-23 | 湖南埃瓦新能源科技有限公司 | Low temperature environment cold and heat air energy heat pump |
| CN108362040A (en) * | 2018-04-04 | 2018-08-03 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
| CN108387033A (en) * | 2018-04-04 | 2018-08-10 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
| CN109028640A (en) * | 2018-07-03 | 2018-12-18 | 浙江国祥股份有限公司 | A kind of air source heat pump and its flow control technique |
| CN110160183A (en) * | 2019-05-31 | 2019-08-23 | 天普新能源科技有限公司 | Gas-supplying enthalpy-increasing air source heat pump |
| CN113513859A (en) * | 2020-04-09 | 2021-10-19 | 恒泽节能有限公司 | Total energy heat pump with high outlet water temperature |
| CN115682457A (en) * | 2022-09-22 | 2023-02-03 | 珠海格力电器股份有限公司 | Air conditioning system with heat exchange structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20131220 |