CN202267136U - Split type heat pump capable of regulating degree of superheat - Google Patents
Split type heat pump capable of regulating degree of superheat Download PDFInfo
- Publication number
- CN202267136U CN202267136U CN 201120334098 CN201120334098U CN202267136U CN 202267136 U CN202267136 U CN 202267136U CN 201120334098 CN201120334098 CN 201120334098 CN 201120334098 U CN201120334098 U CN 201120334098U CN 202267136 U CN202267136 U CN 202267136U
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- Prior art keywords
- heat exchanger
- liquid separator
- gas
- controller
- cross valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model belongs to the technical field of heat pumps and relates to a split type heat pump capable of regulating degree of superheat, which comprises an indoor unit and an outdoor unit, wherein the indoor unit and the outdoor unit are connected through a connecting pipe. The indoor unit comprises a compressor, a four-way valve, a first heat exchanger, a gas-liquid separator, a controller, a pressure sensor and a temperature sensor. The outdoor unit comprises a second heat exchanger and a throttling device. An exhaust port of the compressor is connected with a connector D of the four-way valve, a connector C of the four-way valve is connected with a coolant inlet of the first heat exchanger, a coolant outlet of the first heat exchanger is connected to an inlet of the throttling device, an outlet of the throttling device is connected with a coolant inlet of the second heat exchanger, a coolant outlet of the second heat exchanger is connected to a connector E of the four-way valve, a connector S of the four-way valve is connected with an inlet of the gas-liquid separator, and an outlet of the gas-liquid separator is connected with an air return port of the compressor. The temperature sensor and the pressure sensor are disposed on a connecting pipe of the connector S of the four-way valve and the inlet of the gas-liquid separator, the temperature sensor is connected with the controller through a control line, the pressure sensor is connected with the controller through a control line, and the throttling device is connected to the controller through a control line. The split type heat pump capable of regulating degree of superheat is capable of regulating degree of superheat of a system and is energy-saving and efficient.
Description
Technical field
The split type heat pump of the utility model scalable degree of superheat belongs to the technical field of heat pump.
Background technology
In recent years; Along with the continuous implementation of environmental protection ideas, cold districts such as the Huanghe valley, North China adopt traditional fire coal, fuel oil heating equipment because its serious environment pollution and antifreeze efficient is low etc., and shortcoming has suffered that relevant government department bans use of, therefore; For these cold districts; Seek a kind of environmental protection, heating equipment that antifreeze ability is strong becomes more and more urgent, split type heat pump just arises at the historic moment under this environment, and is widely used with its superpower antifreeze ability.Existing split type heat pump comprises indoor set and off-premises station composition; Indoor set is connected through tube connector with off-premises station; Indoor set comprises compressor, cross valve, first heat exchanger, gas-liquid separator, controller, throttling arrangement composition, and off-premises station comprises second heat exchanger, and the exhaust outlet of compressor is connected with the interface D of cross valve; The interface C of cross valve links to each other with the refrigerant import of first heat exchanger; The first heat exchanger refrigerant exit is connected to the throttling arrangement import, and the throttling arrangement outlet is connected with the second heat exchanger refrigerant import, and the second heat exchanger refrigerant exit is connected to the interface E of cross valve; Cross valve interface S links to each other with the import of gas-liquid separator, and the outlet of gas-liquid separator is connected with the return-air mouth of compressor.But split type heat pump is in practical project is installed, and required tube connector usually can be long between indoor set and the off-premises station, and tube connector is oversize; Will make the suction temperature of system raise, back pressure reduces, and evaporating temperature reduces; Also along with becoming big, existing split type heat pump generally adopts capillary as throttling arrangement to the degree of superheat, but capillary can't be regulated the system overheat degree again; Thereby cause system energy loss serious, efficient is low.
The utility model content
The purpose of the utility model is to avoid the weak point of prior art, and a kind of ability regulating system degree of superheat is provided, the split type heat pump of
scalable degree of superheat of efficient energy-saving.
The purpose of the utility model reaches through following measure; The split type heat pump of the scalable degree of superheat comprises indoor set and off-premises station composition; Indoor set is connected through tube connector with off-premises station, and indoor set comprises compressor, cross valve, first heat exchanger, gas-liquid separator, controller, pressure sensor, temperature sensor composition, and off-premises station comprises second heat exchanger and throttling arrangement composition; The exhaust outlet of compressor is connected with the interface D of cross valve; The interface C of cross valve links to each other with the refrigerant import of first heat exchanger, and the first heat exchanger refrigerant exit is connected to the throttling arrangement import, and the throttling arrangement outlet is connected with the second heat exchanger refrigerant import; The second heat exchanger refrigerant exit is connected to the interface E of cross valve; Cross valve interface S links to each other with the import of gas-liquid separator, and the outlet of gas-liquid separator is connected with the return-air mouth of compressor, and the tube connector of cross valve interface S and gas-liquid separator import is provided with temperature sensor; Temperature sensor is connected with controller through control line, and throttling arrangement is connected to controller through control line.
The tube connector of the utility model cross valve interface S and gas-liquid separator import is provided with pressure sensor, and pressure sensor links to each other with controller through control line.
The throttling arrangement of the utility model is an electric expansion valve.
First heat exchanger of the utility model is air-refrigerant heat exchanger or water-refrigerant heat exchanger
Second heat exchanger of the utility model is air-refrigerant heat exchanger.
The utility model can the regulating system degree of superheat, and efficient energy-saving.
Description of drawings
Accompanying drawing 1 is the principle schematic of the utility model.
Accompanying drawing 2 is structural representations of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Among the figure: compressor 1, cross valve 2, first heat exchanger 3, throttling arrangement 4, second heat exchanger 5, gas-liquid separator 6, controller 7, indoor 8, pressure sensor 9, temperature sensor 10.
Shown in accompanying drawing 1; The utility model comprises by compressor 1, cross valve 2, first heat exchanger 3, throttling arrangement 4, second heat exchanger 5, gas-liquid separator 6, controller 7 and constituting; The exhaust outlet of compressor 1 is connected with the interface D of cross valve 2, and the interface C of cross valve 2 links to each other with the refrigerant import of first heat exchanger 3, and first heat exchanger, 3 refrigerant exits are connected to throttling arrangement 4 imports; Throttling arrangement 4 outlets are connected with the 5 refrigerant imports of second heat exchanger; Second heat exchanger, 5 refrigerant exits are connected to the interface E of cross valve 2, and cross valve 2 interface S link to each other with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the return-air mouth of compressor 1; The tube connector of cross valve 2 interface S and gas-liquid separator 6 imports is provided with temperature sensor 10 and pressure sensor 9; Temperature sensor 10 is connected with controller 7 through control line, and pressure sensor 9 links to each other with controller 7 through control line, and throttling arrangement 4 is connected to controller 7 through control line.It is indoor 8 that compressor 1, cross valve 2, first heat exchanger 3, gas-liquid separator 6 and controller 7 are installed in, and the throttling arrangement 4 and second heat exchanger 5 are installed in outdoor.
Shown in accompanying drawing 1, accompanying drawing 2, the indoor set set inside has compressor 1, cross valve 2, first heat exchanger 3, gas-liquid separator 6, controller 7, pressure sensor 9, temperature sensor 10; The off-premises station set inside has second heat exchanger 5 and throttling arrangement 4.The tube connector of cross valve interface S and gas-liquid separator import is provided with temperature sensor, and temperature sensor is connected with controller through control line, and throttling arrangement is connected to controller through control line.The tube connector of the utility model cross valve interface S and gas-liquid separator import is provided with pressure sensor, and pressure sensor 9 links to each other with controller through control line.
When the tube connector between unit indoor set and the off-premises station was long, gaseous coolant was through the gaseous coolant of compressor 1 acting becoming HTHP, and the gaseous coolant of HTHP is through behind the cross valve 2; Condensation in first heat exchanger 3 through evaporation in second heat exchanger 5 after throttling arrangement 4 throttlings, becomes the gaseous coolant of low-temp low-pressure; The gaseous coolant of low-temp low-pressure is got back to compressor 1 behind gas-liquid separator 6, accomplish the circulation of fluorine road, at this moment; Temperature sensor 10 detection system suction temperatures, simultaneously, the back pressure of pressure sensor 9 detection systems; Raise when detecting system's suction temperature, back pressure reduces, and evaporating temperature also reduces thereupon; And when the actual degree of superheat was higher than the target degree of superheat of controller setting, temperature sensor 10 fed back to controller 7 with pressure sensor 9 with signal simultaneously, and controller 7 control throttling arrangements 4 apertures are transferred big; More this moment cold-producing medium flows in second heat exchanger 5 and evaporates, and evaporation back refrigerant temperature reduces, and the suction temperature of system also decreases; Simultaneously, the back pressure of system continues to reduce, and evaporating temperature also continues to reduce thereupon; Just explained that the actual degree of superheat of system has reduced and the target degree of superheat near controller 7 settings slowly this moment; Unit reaches the purpose of the regulating system degree of superheat through the aperture of regulating throttling arrangement 4, has not only reduced the loss of energy, and has effectively raised the efficient of system.
Claims (4)
1. the split type heat pump of a scalable degree of superheat comprises indoor set and off-premises station composition, and indoor set is connected through tube connector with off-premises station; Indoor set comprises compressor, cross valve, first heat exchanger, gas-liquid separator, controller, pressure sensor, temperature sensor composition; Off-premises station comprises second heat exchanger and throttling arrangement composition, and the exhaust outlet of compressor is connected with the interface D of cross valve, and the interface C of cross valve links to each other with the refrigerant import of first heat exchanger; The first heat exchanger refrigerant exit is connected to the throttling arrangement import; The throttling arrangement outlet is connected with the second heat exchanger refrigerant import, and the second heat exchanger refrigerant exit is connected to the interface E of cross valve, and cross valve interface S links to each other with the import of gas-liquid separator; The outlet of gas-liquid separator is connected with the return-air mouth of compressor; The tube connector that it is characterized in that cross valve interface S and gas-liquid separator import is provided with temperature sensor, and temperature sensor is connected with controller through control line, and throttling arrangement is connected to controller through control line.
2. the split type heat pump of the scalable degree of superheat according to claim 1 is characterized in that the tube connector of cross valve interface S and gas-liquid separator import is provided with pressure sensor, and pressure sensor links to each other with controller through control line.
3. the split type heat pump of the scalable degree of superheat according to claim 1 is characterized in that throttling arrangement is an electric expansion valve.
4. the split type heat pump of the scalable degree of superheat according to claim 1 is characterized in that first heat exchanger is air-refrigerant heat exchanger or water-refrigerant heat exchanger, and second heat exchanger is air-refrigerant heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120334098 CN202267136U (en) | 2011-09-07 | 2011-09-07 | Split type heat pump capable of regulating degree of superheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120334098 CN202267136U (en) | 2011-09-07 | 2011-09-07 | Split type heat pump capable of regulating degree of superheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267136U true CN202267136U (en) | 2012-06-06 |
Family
ID=46157931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120334098 Expired - Lifetime CN202267136U (en) | 2011-09-07 | 2011-09-07 | Split type heat pump capable of regulating degree of superheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267136U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864984A (en) * | 2016-04-27 | 2016-08-17 | 广东美的暖通设备有限公司 | Adjusting method and device for indoor unit electronic expansion valve |
| CN106108069A (en) * | 2016-07-25 | 2016-11-16 | 吉首大学 | Heat-pump-type recuperation of heat Semen Castaneae stirs drying device |
| CN106174643A (en) * | 2016-07-25 | 2016-12-07 | 吉首大学 | Heat-pump-type recuperation of heat Fructus Pistaciae Verae stir drying device |
| CN106174642A (en) * | 2016-07-25 | 2016-12-07 | 吉首大学 | Heat-pump-type recuperation of heat Fructus Momordicae stirs drying device |
| CN106213542A (en) * | 2016-07-25 | 2016-12-14 | 吉首大学 | Heat-pump-type recuperation of heat Semen Juglandis stirs drying device |
| CN106213533B (en) * | 2016-07-25 | 2018-08-10 | 吉首大学 | Heat-pump-type recuperation of heat pine nut fruit stirs drying device |
| CN113405274A (en) * | 2021-05-28 | 2021-09-17 | 维克（天津）有限公司 | Ultra-low temperature air-cooled module machine system |
-
2011
- 2011-09-07 CN CN 201120334098 patent/CN202267136U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864984A (en) * | 2016-04-27 | 2016-08-17 | 广东美的暖通设备有限公司 | Adjusting method and device for indoor unit electronic expansion valve |
| CN105864984B (en) * | 2016-04-27 | 2018-10-19 | 广东美的暖通设备有限公司 | Electronic expansion valve of indoor unit adjusting method and device |
| CN106108069A (en) * | 2016-07-25 | 2016-11-16 | 吉首大学 | Heat-pump-type recuperation of heat Semen Castaneae stirs drying device |
| CN106174643A (en) * | 2016-07-25 | 2016-12-07 | 吉首大学 | Heat-pump-type recuperation of heat Fructus Pistaciae Verae stir drying device |
| CN106174642A (en) * | 2016-07-25 | 2016-12-07 | 吉首大学 | Heat-pump-type recuperation of heat Fructus Momordicae stirs drying device |
| CN106213542A (en) * | 2016-07-25 | 2016-12-14 | 吉首大学 | Heat-pump-type recuperation of heat Semen Juglandis stirs drying device |
| CN106213533B (en) * | 2016-07-25 | 2018-08-10 | 吉首大学 | Heat-pump-type recuperation of heat pine nut fruit stirs drying device |
| CN113405274A (en) * | 2021-05-28 | 2021-09-17 | 维克（天津）有限公司 | Ultra-low temperature air-cooled module machine system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |