CN201340142Y - Heat pump unit using flash evaporator to supplement air - Google Patents
Heat pump unit using flash evaporator to supplement air Download PDFInfo
- Publication number
- CN201340142Y CN201340142Y CNU2008200420879U CN200820042087U CN201340142Y CN 201340142 Y CN201340142 Y CN 201340142Y CN U2008200420879 U CNU2008200420879 U CN U2008200420879U CN 200820042087 U CN200820042087 U CN 200820042087U CN 201340142 Y CN201340142 Y CN 201340142Y
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- flash vessel
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to the technical field of air-conditioning energy saving, in particular to a heat pump unit using a flash evaporator to supplement air, which can stably run during heating and refrigeration in high efficiency at cold regions, wherein the exhaust port of a compressor is connected with the D port of a reversing valve; the S port of the reversing valve is connected with the induction port of the compressor through a gas-liquid separator; the C port of the reversing valve is connected with the air port of an air-cooling heat exchanger; and the E port of the reversing valve is connected with the air port of a user heat exchanger. The heat pump unit is characterized in that the liquid port of the air-cooling heat exchanger is connected with one end of a first throttle device through a first filter; the other end of the first throttle device is connected with one liquid port of a bidirectional flash evaporator; the other liquid port of the bidirectional flash evaporator is connected with one end of a second throttle device; the other end of the second throttle device is connected with one end of a second filter; the other end of the second filter is directly or indirectly connected with the liquid port of the user heat exchanger through a bidirectional reservoir; and the air port of the bidirectional flash evaporator is connected with the air supplement port of the compressor. The utility model increases the operation stability of a heat pump system and widens the serviceable range of the heat pump system, meanwhile, improves the heating and refrigeration performances of the system, simplifies the structure and reduces the cost.
Description
Technical field
The utility model relates to the air conditioner energy saving technical field, particularly can efficient stable when cold district heats and freeze the source pump of employing flash vessel bidirectional air compensation of operation.
Background technology
Traditional air-cooled heat pump unit, the mode that heats as a kind of energy-conserving and environment-protective has obtained application in non-heating regions such as China middle and lower reach of Yangtze River, south China.But in vast heating areas such as China Huanghe valley, North Chinas, in the winter of cold, because pressure ratio is big, refrigerant flow is low, and the heating capacity of traditional air-cooled heat pump unit is decayed significantly, can't satisfy the requirement of heat supply heating, also can't reliability service.Traditional air-cooled heat pump air-conditioning system generally can only be used under the environment more than-5 ℃.The only tonifying Qi when heating of air source heat pump of tonifying Qi in the middle of the existing employing flash vessel to improve the heating performance of system, can be operated under the environment about-15 ℃.But because the existence of middle gas supplementing opening, the efficiency when making refrigeration has certain reduction.Therefore, press for a kind of heating performance that can either improve system of exploitation, can improve the energy saving and environment friendly air-cooled heat pump unit of the refrigeration performance of system again.
Summary of the invention
At the problem of above-mentioned existence, proposed one and overlapped the source pump that is applicable to the employing flash vessel bidirectional air compensation on the novel scroll compressor.Increase the stability of heat pump operation and expanded the heat pump scope of application; Improved heating and refrigeration performance of system simultaneously.Make designs simplification again, cost reduces.
To achieve the above object, the technical solution of the utility model realizes as follows: the exhaust outlet of compressor links to each other with the D mouth of reversal valve, the S mouth of reversal valve links to each other with the air entry of compressor through gas-liquid separator, the C mouth of reversal valve links to each other with the gas port of air cooling heat exchanger, the E mouth of reversal valve links to each other with the gas port of user side heat exchanger, it is characterized in that: the liquid mouth of air cooling heat exchanger links to each other with an end of first throttle device by first filter, the other end of first throttle device links to each other with a liquid mouth of two-way flash vessel, another liquid mouth of two-way flash vessel links to each other with an end of second throttling arrangement, the other end of second throttling arrangement links to each other with an end of second filter, the other end of second filter directly or by two-way reservoir links to each other with the liquid mouth of user side heat exchanger, and the gas port of two-way flash vessel links to each other with the gas supplementing opening of compressor.
In the gas supplementing opening of compressor or outside the gas supplementing opening, check valve is set.When check valve was positioned at gas supplementing opening, the gas port of two-way flash vessel directly was connected with the gas supplementing opening of compressor; In the time of outside check valve is positioned at gas supplementing opening, the gas port of two-way flash vessel is connected with check valve.
The gas supplementing opening of the gaseous refrigerant that produces after the throttling of first throttle device being defeated by compressor is as middle tonifying Qi, to realize the bidirectional air compensation of refrigerating/heating.The size of utilizing the first throttle device and second throttling arrangement to regulate the air compensation of compressor.The described first throttle device and second throttling arrangement comprise: the one or more combination in electric expansion valve, heating power expansion valve, the capillary.
Core of the present utility model is to have adopted two-step throttle, and the gaseous refrigerant that produces after the first order throttling is defeated by the compressor gas supplementing opening as middle tonifying Qi, has realized the refrigerating/heating bidirectional air compensation.By regulating first throttle device, second throttling arrangement, the size that can regulate air compensation realizes the high efficient and reliable operation of system.
Description of drawings
Fig. 1 is for adopting the source pump schematic diagram of flash vessel bidirectional air compensation.
The specific embodiment
A kind of source pump that adopts the flash vessel bidirectional air compensation, it mainly comprises compressor 1, reversal valve 2, air cooling heat exchanger 3, first throttle device 4, two-way flash vessel 5, second throttling arrangement 6, user side heat exchanger 7, gas-liquid separator 8, check valve 9, first filter 10, second filter 11.First throttle device, second throttling arrangement can be multiple throttling arrangements such as electric expansion valve, heating power expansion valve, capillary or its various combinations;
The exhaust outlet of compressor 1 links to each other with the D mouth of reversal valve, the S mouth of reversal valve links to each other through the air entry of gas-liquid separator 8 with compressor 1, the C mouth of reversal valve links to each other with the gas port of air cooling heat exchanger 3, and the E mouth of reversal valve links to each other with the gas port of user side heat exchanger 7, more than identical with the ordinary hot pumping system.The liquid mouth of air cooling heat exchanger 3 links to each other with an end of first throttle device 4 by first filter 10, the other end of first throttle device 4 links to each other with a liquid mouth of two-way flash vessel 5, another liquid mouth of two-way flash vessel 5 links to each other with an end of second throttling arrangement 6, the other end of second throttling arrangement 6 links to each other with second filter, 11 1 ends, the other end of second filter 11 directly or by two-way reservoir links to each other with the liquid mouth of user side heat exchanger 7, and the gas port of two-way flash vessel 5 links to each other with the gas supplementing opening of compressor 1 by check valve 9.
Gas supplementing opening inside as compressor 1 has check valve, and the gas port of then two-way flash vessel 5 directly links to each other with the gas supplementing opening of compressor 1.
Core of the present utility model is to have adopted two-step throttle, and the gaseous refrigerant that produces after the first order throttling is defeated by the compressor gas supplementing opening as middle tonifying Qi, has realized the refrigerating/heating bidirectional air compensation.By regulating first throttle device 4, second throttling arrangement 6, the size of the air compensation of adjustable compressor 1 realizes the high efficient and reliable operation of system.
Claims (4)
1, a kind of source pump that adopts the flash vessel bidirectional air compensation, comprise: the exhaust outlet of compressor (1) links to each other with the D mouth of reversal valve (2), the S mouth of reversal valve (2) links to each other through the air entry of gas-liquid separator (8) with compressor (1), the C mouth of reversal valve (2) links to each other with the gas port of air cooling heat exchanger (3), the E mouth of reversal valve (2) links to each other with the gas port of user side heat exchanger (7), it is characterized in that: the liquid mouth of air cooling heat exchanger (3) links to each other with an end of first throttle device (4) by first filter (10), the other end of first throttle device (4) links to each other with a liquid mouth of two-way flash vessel (5), another liquid mouth of two-way flash vessel (5) links to each other with an end of second throttling arrangement (6), the other end of second throttling arrangement (6) links to each other with an end of second filter (11), the other end of second filter (11) directly or by two-way reservoir links to each other with the liquid mouth of user side heat exchanger (7), and the gas port of two-way flash vessel (5) links to each other with the gas supplementing opening of compressor (1).
2, adopt the source pump of flash vessel bidirectional air compensation according to claim 1, it is characterized in that: check valve (9) is set in the gas supplementing opening of compressor (1) or outside the gas supplementing opening.
3, adopt the source pump of flash vessel bidirectional air compensation according to claim 1, it is characterized in that: described check valve (9) is positioned at gas supplementing opening, and the gas port of two-way flash vessel (5) directly is connected with the gas supplementing opening of compressor (1); Perhaps, check valve (9) is positioned at outside the gas supplementing opening, and the gas port of two-way flash vessel (5) is connected with check valve (9).
4, adopt the source pump of flash vessel bidirectional air compensation according to claim 1, it is characterized in that, described first throttle device (4) comprising with second throttling arrangement (6): the one or more combination in electric expansion valve, heating power expansion valve, the capillary.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200420879U CN201340142Y (en) | 2008-07-23 | 2008-07-23 | Heat pump unit using flash evaporator to supplement air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200420879U CN201340142Y (en) | 2008-07-23 | 2008-07-23 | Heat pump unit using flash evaporator to supplement air |
Publications (1)
Publication Number | Publication Date |
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CN201340142Y true CN201340142Y (en) | 2009-11-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2008200420879U Expired - Lifetime CN201340142Y (en) | 2008-07-23 | 2008-07-23 | Heat pump unit using flash evaporator to supplement air |
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CN (1) | CN201340142Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102538273A (en) * | 2012-02-10 | 2012-07-04 | 海信(山东)空调有限公司 | Vapor-injected air-conditioning system, vapor-injected air-conditioning control method and air-conditioner |
CN106016834A (en) * | 2016-07-12 | 2016-10-12 | 广州瑞姆节能设备有限公司 | Small-size user air source low-temperature heat pump |
CN108072190A (en) * | 2017-12-26 | 2018-05-25 | 珠海格力电器股份有限公司 | Air-conditioning system and with its air conditioner |
-
2008
- 2008-07-23 CN CNU2008200420879U patent/CN201340142Y/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102538273A (en) * | 2012-02-10 | 2012-07-04 | 海信(山东)空调有限公司 | Vapor-injected air-conditioning system, vapor-injected air-conditioning control method and air-conditioner |
CN106016834A (en) * | 2016-07-12 | 2016-10-12 | 广州瑞姆节能设备有限公司 | Small-size user air source low-temperature heat pump |
CN108072190A (en) * | 2017-12-26 | 2018-05-25 | 珠海格力电器股份有限公司 | Air-conditioning system and with its air conditioner |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20091104 |