CN2656909Y - Low temp. heating pump air conditioner - Google Patents
Low temp. heating pump air conditioner Download PDFInfo
- Publication number
- CN2656909Y CN2656909Y CNU032436602U CN03243660U CN2656909Y CN 2656909 Y CN2656909 Y CN 2656909Y CN U032436602 U CNU032436602 U CN U032436602U CN 03243660 U CN03243660 U CN 03243660U CN 2656909 Y CN2656909 Y CN 2656909Y
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- Prior art keywords
- vortex tube
- heat exchanger
- temperature
- condenser
- air
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Abstract
A low temperature heat pump air-conditioner comprises an ordinary volume-type refrigeration compressor of air conditioner, a condenser, an evaporator, a vortex tube, and a regenerative heat exchanger. The exhaust opening of the ordinary volume-type refrigeration compressor is connected with the air inlet pipe of the vortex tube. The hot end pipe of the vortex tube is connected with one end of the condenser through a control valve; the cold end pipe of the vortex tube is connected with one end of the evaporator, the other end of which is connected with the other end of the regenerative heat exchanger. The other end of the condenser is connected with the inlet of the regenerative tube of the regenerative heat exchanger, the outlet of which is connected with the suction inlet of the ordinary volume-type refrigeration compressor of air conditioner after confluencing with the outlet of the regenerative pipe. Since that the vortex tube has a function of separating the cold air flow from the hot air flow, the hot air flow can make the refrigerant discharged from the condenser decompress and raise temperature until above 150 degree centigrade, thereby, being benefit for heating supply. The temperature gap between the cold airflow temperature and the environment temperature is as high as 25 degree centigrade, thereby, being benefit to absorb the heat in environmental media. The utility model has the advantages that ordinary volume-type compressing heat pump air-conditioner can still supply heat normally in the area with the temperature of no less than subzero 15 degree centigrade.
Description
(1) technical field
The utility model relates to a kind of heating heat-pump air-conditioner, belongs to a kind of winter environment temperature and is not less than the low temperature heating heat-pump air-conditioner that-15 degree Celsius use.
(2) technical background
Common displacement type compression heat pump air conditioner is the main type of train air-conditioning and home-use air-conditioning, and this type applying working condition in winter is limited in environment temperature usually and is higher than more than-5 degree Celsius.When environment temperature is lower than Celsius-5 when spending, because the evaporation temperature difference is dwindled, refrigeration working medium endothermic gasification ability reduces in the evaporimeter, the refrigeration working medium gas flow that common displacement type refrigeration compressor sucks is not enough, pressure of inspiration(Pi) is lower than the operating pressure of common displacement type refrigeration compressor, cause the work of refrigeration compressor underload, even can't work.The work of refrigeration compressor underload will cause pressure at expulsion too low, and the hot temperature of the heating of refrigeration working medium in condenser should be higher than the heating standard of 60 degree Celsius at least less than 40 degree Celsius far below normal heating temperature.
(3) summary of the invention
The purpose of this utility model provides a kind of-15 degree Celsius that are not less than in environment temperature, common displacement type compression heat pump air conditioner still can normally be heated, and heating temperature is higher than the low temperature heating heat-pump air-conditioner of 60 degree Celsius.
The purpose of this utility model is to realize like this, it contains the common scroll compression compression type refrigerating of idle call compressor, condenser, evaporimeter, it is characterized in that: also contain vortex tube and Recuperative heat exchanger, the center of vortex tube 17 is minor air cells 4, nozzle 5 tangentially is contained in the edge of minor air cell 4, the inlet of nozzle 5 connects air inlet pipe 6,4 inboard has separation orifice 7 in the minor air cell, connect cold junction pipe 11 outside the separation orifice 7, hot junction pipe 3 is contained in the opposite side of separation orifice 7, the exhaust outlet 8 of the common scroll compression compression type refrigerating of idle call compressor 9 is connected with the air inlet pipe 6 of vortex tube 17, the hot junction pipe 3 of vortex tube 17, control valve 2, the product heat cal rod inlet 14 of condenser 1 and Recuperative heat exchanger 15 is linked in sequence, the cold junction pipe 11 of vortex tube 17, evaporimeter 16 is connected with Recuperative heat exchanger 15 entry sequences, after the outlet of Recuperative heat exchanger 15 and product heat cal rod outlet 13 converge, is connected with the air entry 10 of scroll compression compression type refrigerating compressor 9.
The utility model is narrated all parts existing markets all sale.
The thermal source of heat pump heating comes from the heat and the temperature of the refrigeration working medium in the condenser.Because vortex tube separates the hot and cold air effect, the refrigeration working medium step-down that thermal current can make compressor discharge is warming up to more than 150 degree Celsius, and the temperature difference between cold airflow temperature and the environment temperature helps the heat in the absorbing environmental medium up to 25 degree Celsius.So under the prerequisite that does not improve Compressor Discharge Pressure, common vortex compression heat pump air conditioner function is not less than-15 degree areas Celsius in environment temperature, provide temperature to be higher than the heating-amount of 60 degree Celsius.Thereby, the utlity model has and make common vortex compression heat-pump air-conditioner be not less than the characteristics that still can normally heat in-15 degree areas Celsius in environment temperature.
(4) description of drawings
Fig. 1 is the structural representation of the utility model embodiment, and Fig. 2 is minor air cell's 4 profiles.
(5) specific embodiment
With reference to Fig. 1～Fig. 2, present embodiment is the exhaust outlet 8 by common scroll compression compression type refrigerating compressor 9, is connected with the air inlet pipe 6 of vortex tube 17 via the sealing pressure line, and the hot junction pipe 3 of vortex tube 17 is connected with an end of condenser 1 via control valve 2.The center of vortex tube 17 is minor air cells 4, and 4 inboard has separation orifice 7 in the minor air cell, and what be connected with orifice plate 7 is cold junction pipe 11.The outlet of cold junction pipe 11 is connected with an end of evaporimeter 16 via the sealing pressure line, and the other end of evaporimeter 16 connects an end of Recuperative heat exchanger 15.The other end of condenser 1 is connected with the product heat cal rod inlet 14 of Recuperative heat exchanger 15 via the sealing pressure line; After the outlet of Recuperative heat exchanger 15 and product heat cal rod outlet 13 converge, be connected with the air entry 10 of scroll compression compression type refrigerating compressor 9 via the sealing pressure line.The effect of vortex tube 17 is the fluids that make the refrigeration working medium step-down of the exhaust outlet of common scroll compression compression type refrigerating compressor 98 discharges and split into cold and hot two kinds of temperature, wherein the hot fluid temperature is increased to 150 degree Celsius by 40 degree Celsius, utilizes the heat of superheat state high temperature refrigeration working medium to heat to the room by condenser; Cold fluid is cooled to-40 degree Celsius by 40 degree Celsius, and is the subcooled liquid state.Because have the above heat transfer temperature difference of 25 degree Celsius between cold fluid and the environment, even environment temperature is-15 degree Celsius, cold fluid flow still can absorb heat from surrounding medium when evaporimeter.The effect of evaporimeter 16 is to utilize the heat phase transformation in its interior cryogenic refrigeration working medium absorbing environmental medium of flowing through to be evaporated to gas.The effect of Recuperative heat exchanger 15 is, makes the cryogenic refrigeration working medium that flows out evaporimeter 16, further absorbs the hot fluid after-heat that comes from condenser 1, and evaporative phase-change is an overheated gas.Can allow to suck small amount of liquid working medium in 9 work of scroll compression compression type refrigerating compressor, so in the utility model, with Recuperative heat exchanger 15 exits, the refrigeration working medium that gathers is directly sent into the air entry 10 of scroll compression compression type refrigerating compressor 9.
Operation principle: when common scroll compression compression type refrigerating compressor 9 was worked, air entry 10 sucked meter pressure 5kg/cm
2The refrigeration working medium of superheated vapor state, through overcompression, discharging meter pressures by exhaust outlet 8 is 15kg/cm
2, temperature is the refrigeration working medium of superheat states of 40 degree Celsius, the refrigeration working medium of superheat state enters vortex tube by air inlet pipe 6, in nozzle 5 after the expansion step-down, tangentially enter minor air cell 4 with very high speed, form free vortex flow, the exchange through kinetic energy is separated into temperature two parts fluid inequality, the refrigeration working medium of core flows out through separation orifice 6, promptly is that temperature can reach-40 ℃ fluid liquid; The refrigeration working medium of marginal portion flows out through control valve 2 from the other end, promptly is that temperature can reach 150 ℃ overfire air stream.After the room heating, temperature is for being reduced to 60 ℃ through condenser 1 for the hyperthermia and superheating refrigeration working medium heat of sending from the hot junction pipe 3 of vortex tube 17, but still is the overheated gas state, and the product heat cal rod of sending into Recuperative heat exchanger 15 enters the mouth 14.-40 ℃ of liquid refrigeration working medium sending from vortex tube 17 cold junction pipes 11 are sent into an end of evaporimeter 16, evaporimeter is arranged at outside the room, the temperature difference that has 25 degree Celsius between refrigeration working medium in the evaporimeter and the surrounding medium, help the heat in the refrigeration working medium absorbing environmental medium in the evaporimeter, refrigeration working medium in the evaporimeter is after heat absorption intensification phase transformation gasification, send into an end of Recuperative heat exchanger 15, but temperature identical with the pressure that comes from condenser 1 is 60 ℃ hot fluid refrigeration working medium, through the reverse flow heat exchange, exit to Recuperative heat exchanger 15, two kinds of fluids become all identical gaseous state refrigeration working medium of pressure and temperature, converge.Because scroll compression compression type refrigerating compressor can allow to suck the refrigeration working medium of small amount of liquid composition, so gaseous state refrigeration working medium after Recuperative heat exchanger 15 exits are converged, air entry 10 by common scroll compression compression type refrigerating compressor 9 sucks, and keeps the working cycles of whole refrigeration system.
Claims (1)
1. low temperature heating heat-pump air-conditioner, it contains the common scroll compression compression type refrigerating of idle call compressor, condenser, evaporimeter, it is characterized in that: also contain vortex tube and Recuperative heat exchanger, the center of vortex tube (17) is minor air cell (4), nozzle (5) tangentially is contained in the edge of minor air cell (4), the inlet of nozzle (5) connects air inlet pipe (6), the inboard of (4) has separation orifice (7) in the minor air cell, connect cold junction pipe (11) outside the separation orifice (7), hot junction pipe (3) is contained in the opposite side of separation orifice (7), the exhaust outlet (8) of the common scroll compression compression type refrigerating of idle call compressor (9) is connected with the air inlet pipe (6) of vortex tube (17), the hot junction pipe (3) of vortex tube (17), control valve (2), the product heat cal rod inlet (14) of condenser (1) and Recuperative heat exchanger (15) is linked in sequence, the cold junction pipe (11) of vortex tube (17), evaporimeter (16) is connected with Recuperative heat exchanger (15) entry sequence, after the outlet of Recuperative heat exchanger (15) and product heat cal rod outlet (13) converge, be connected with the air entry (10) of scroll compression compression type refrigerating compressor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032436602U CN2656909Y (en) | 2003-04-04 | 2003-04-04 | Low temp. heating pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032436602U CN2656909Y (en) | 2003-04-04 | 2003-04-04 | Low temp. heating pump air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2656909Y true CN2656909Y (en) | 2004-11-17 |
Family
ID=34326973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032436602U Expired - Fee Related CN2656909Y (en) | 2003-04-04 | 2003-04-04 | Low temp. heating pump air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2656909Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963432A (en) * | 2010-11-01 | 2011-02-02 | 江苏天舒电器有限公司 | Freezing and refrigerating device with hot water supply |
| CN102230687A (en) * | 2011-04-27 | 2011-11-02 | 浙江大学 | Heating device using low-grade heat source |
| WO2014063443A1 (en) * | 2012-10-22 | 2014-05-01 | Zhang Yuliang | Self-cooled thermal work doing method |
| CN109282520A (en) * | 2018-10-08 | 2019-01-29 | 广东申菱环境系统股份有限公司 | Vortex tube and compression compound straight-expansion type air conditioner system and control method |
-
2003
- 2003-04-04 CN CNU032436602U patent/CN2656909Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963432A (en) * | 2010-11-01 | 2011-02-02 | 江苏天舒电器有限公司 | Freezing and refrigerating device with hot water supply |
| CN102230687A (en) * | 2011-04-27 | 2011-11-02 | 浙江大学 | Heating device using low-grade heat source |
| CN102230687B (en) * | 2011-04-27 | 2012-10-10 | 浙江大学 | Heating device using low-grade heat source |
| WO2014063443A1 (en) * | 2012-10-22 | 2014-05-01 | Zhang Yuliang | Self-cooled thermal work doing method |
| CN103775148A (en) * | 2012-10-22 | 2014-05-07 | 张玉良 | Self-cooled thermal power acting method |
| CN109282520A (en) * | 2018-10-08 | 2019-01-29 | 广东申菱环境系统股份有限公司 | Vortex tube and compression compound straight-expansion type air conditioner system and control method |
| CN109282520B (en) * | 2018-10-08 | 2023-12-22 | 广东申菱环境系统股份有限公司 | Vortex tube and compression type combined direct expansion air conditioning system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |