CN203798014U - Solar heat pump refrigerating and heating system - Google Patents
Solar heat pump refrigerating and heating system Download PDFInfo
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- CN203798014U CN203798014U CN201320748913.2U CN201320748913U CN203798014U CN 203798014 U CN203798014 U CN 203798014U CN 201320748913 U CN201320748913 U CN 201320748913U CN 203798014 U CN203798014 U CN 203798014U
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Abstract
The utility model discloses a solar heat pump refrigerating and heating system which comprises a direct-expansion solar heat pump system, an air source heat pump system and a heat storage device and specifically comprises an outdoor condenser, a liquid storage tank, a filter, a capillary restrictor, an indoor air-cooled heat exchanger, a compressor, a four-way makeshift valve, a solar thermal collector and a phase change heat storage device. An outlet of the solar thermal collector is connected with an inlet of the phase change heat storage device, an outlet of the phase change heat storage device is connected with the compressor, the compressor is connected with a port a of the four-way makeshift valve, a port b of the four-way makeshift valve is connected with the air-cooled heat exchanger, an outlet of the liquid storage tank is connected with the condenser and the solar thermal collector, the condenser is connected with a port c of the four-way makeshift valve, and the compressor is connected with a port d. According to the solar heat pump refrigerating and heating system, surplus solar energy can be stored by the heat storage device to be used at night, a compressor protective device is further used for enabling the temperature of an inlet of the compressor to be kept at a certain value, therefore, the thermal performance is improved and the service life of the compressor is prolonged.
Description
Technical field
The utility model relates to a kind of solar heat pump refrigerating and heating systems.
Background technology
Solar energy is to discharge huge nuclear energy and the energy that produces by internal hydrogen atom generation fusion, from the emittance of the sun, is a kind of emerging regenerative resource.Solar electrical energy generation is widely used in solar street light, solar insect-killing light, solar portable formula system, solar energy movable power supply, Application of Solar Energy product, communication power supply, solar energy lamp, the fields such as solar building.How the regenerative resources such as solar energy are introduced to air-conditioning system and is solved the instability problem of solar energy by accumulation of energy, by becoming an important channel of alleviation China energy shortage situation, there is important practical value and economic implications.
Direct expanding solar heating pump due to its environmental protection and energy saving, collecting efficiency is high also receives much concern.But the direct expanding solar heating pump stability of a system is poor, easily with season, weather, the such environmental effects such as round the clock.Patent " directly-expanding solar heat-pump air conditioner and hot-water heating system " (publication number CN1515850) combines solar heat pump and ice-storage air-conditioning, the operating temperature of heat collector and the evaporating temperature of cold-producing medium are consistent (approaching environment temperature), have greatly improved collector efficiency and performance coefficient of heat pump.Although this utility model has been utilized solar heat pump, improve thermal performance (collector efficiency generally can reach 60%-80%, and heat pump COP generally can exceed 3), do not consider the impact of environment transfer pair systematic function, system has no compressor protection device.
Utility model content
The utility model provides a kind of solar heat pump refrigerating and heating systems that regenerative apparatus and compressor protection device are united two into one.This system not only can store unnecessary solar energy, for evening or overcast and rainy, and can overcome ambient influnence, make compressor inlet temperature maintain certain value, improve thermal performance, extended the service life of compressor, simple in structure, energy-conserving and environment-protective.
The utility model solves the technical scheme that its technical problem adopts:
A kind of solar heat pump refrigerating and heating systems, comprise direct expanding solar heating pump system, air source heat pump system, regenerative apparatus, specifically comprise outdoor condenser, fluid reservoir, filter, capillary restrictor, indoor air-cooled heat exchanger, compressor, four-way makeshift valve, solar thermal collector, phase transition heat accumulation unit, the outlet of described solar thermal collector is connected with the entrance of phase transition heat accumulation unit through solar energy heating outlet valve, the outlet of phase transition heat accumulation unit is connected with the entrance of compressor, the outlet of compressor is connected with the port a of four-way makeshift valve, the port b of four-way makeshift valve is connected with air-cooled heat exchanger through air-cooled heat exchanger inlet valve, the outlet of fluid reservoir respectively with condenser, solar thermal collector inlet valve connects, solar thermal collector inlet valve is connected with solar thermal collector, condenser is connected with the port c of four-way makeshift valve through outdoor condenser inlet valve, the entrance of compressor is connected with the port d of four-way makeshift valve.
Described phase transition heat accumulation unit comprises outer heat-preservation cylinder, finned tube, phase change heat storage material, joins type joint; Outer heat-preservation cylinder is the stainless steel cylinder that is surrounded by aeroge heat-insulation layer, and two is for joining type joint; In stainless steel cylinder, be inserted with some finned tubes, finned tube and stainless steel cylinder sealed with brazing, join type joint with two and lead directly to, and phase change heat storage material is housed between finned tube.
Described phase change heat storage material is paraffin, and to add weight ratio be 15% ~ 20% vine tea powder.
Refrigeration principle of the present utility model is identical with typical steam compression type refrigeration circulation theory, is all made up of condenser, evaporimeter, compressor, liquid storage filling, filter, capillary restrictor, is connected into the system of a sealing by pipeline.Complete from evaporimeter the low-pressure steam that heat exchange vaporization produces and sucked and be compressed into high temperature and high pressure gas by compressor, enter condenser and be cooled to liquid, after filter, capillary restrictor, enter evaporimeter, in the evaporator evaporation kind of refrigeration cycle of having absorbed heat.
The beneficial effects of the utility model are:
1, adopt solar thermal collector as the evaporimeter of system, working medium absorbs the heat energy of solar radiation in heat collector, has reduced thermal-arrest circuit process, makes simple in structurely, is convenient to install.
2, regenerative apparatus and compressor protection device are united two into one; not only unnecessary solar energy can be stored; for evening or overcast and rainy; and can overcome ambient influnence and make compressor inlet temperature maintain certain value; improve thermal performance; extend the service life of compressor, simple in structure, energy-conserving and environment-protective.
Brief description of the drawings
Below in conjunction with accompanying drawing and example, the utility model is further illustrated.
Fig. 1 is directly-expanding solar heat-pump air conditioner system principle schematic diagram.
Fig. 2 is phase transition heat accumulation unit profile.
In figure: 1. solar thermal collector, 2. solar thermal collector outlet valve, 3. solar thermal collector inlet valve, 4. outdoor condenser inlet valve, 5. phase transition heat accumulation unit, 6. compressor, 7. air-cooled heat exchanger inlet valve, 8. air-cooled heat exchanger, 9. condenser, 12. capillary restrictors, 13. filters, 14. fluid reservoirs, 15. four-way makeshift valves, 16. outer heat-preservation cylinders, 17. finned tubes, 18. phase change heat storage materials, 19. join type joint.
Detailed description of the invention
With reference to accompanying drawing 1 and accompanying drawing 2, a kind of solar heat pump refrigerating and heating systems, comprises direct expanding solar heating pump system, air source heat pump system, regenerative apparatus, specifically comprises outdoor condenser 9, fluid reservoir 14, filter 13, capillary restrictor 12, indoor air-cooled heat exchanger 8, compressor 6, four-way makeshift valve 15, solar thermal collector 1, phase transition heat accumulation unit 5, the outlet of described solar thermal collector 1 is connected with the entrance of phase transition heat accumulation unit 5 through solar energy heating outlet valve 2, the outlet of phase transition heat accumulation unit 5 is connected with the entrance of compressor 6, the outlet of compressor 6 is connected with the port a of four-way makeshift valve 15, the port b of four-way makeshift valve 15 is connected with air-cooled heat exchanger 8 through air-cooled heat exchanger inlet valve 7, the outlet of fluid reservoir 14 respectively with condenser 9, solar thermal collector inlet valve 3 connects, solar thermal collector inlet valve 3 is connected with solar thermal collector 1, condenser 9 is connected with the port c of four-way makeshift valve 15 through outdoor condenser inlet valve 4, and the entrance of compressor 6 is connected with the port d of four-way makeshift valve 15.Solar energy heat pump system system is in parallel with outdoor condenser 9, and can provide life hot gas winter, and can realize normal air conditioner refrigerating summer.
Described phase transition heat accumulation unit comprises outer heat-preservation cylinder 16, finned tube 17, phase change heat storage material 18, joins type joint 19; Outer heat-preservation cylinder 19 is the stainless steel cylinders that are surrounded by aeroge heat-insulation layer, and two is for joining type joint 19; In stainless steel cylinder, be inserted with some finned tubes 17, finned tube 17 and stainless steel cylinder sealed with brazing, join type joint 19 with two and lead directly to, and phase change heat storage material 18 is housed between finned tube 17.
Described phase change heat storage material 18 is paraffin, and to add weight ratio be 15% ~ 20% vine tea powder.Vine tea has consciousness regaining effect, and the delicate fragrance of suitably hearing vine tea can be alleviated discomfort, and the smell of vine tea fragrance can also make people's tranquilizing and allaying excitement.Be heated and produce the fragrant pleasant of vine tea, can help to alleviate discomfort, play the effect of tranquilizing and allaying excitement.
The utility model operation principle and the course of work are:
Heat winter: on daytime in winter, open solar thermal collector outlet valve (2), solar thermal collector inlet valve (3), close chamber's external condenser inlet valve (4), regulates four-way makeshift valve (15) that ab port is connected, and cd port is connected.Cold-producing medium absorbs heat of vaporization in solar thermal collector (1), the cold-producing medium of high temperature enters phase transition heat accumulation unit (5), heat exchange in phase transition heat accumulation unit (5), by phase transition heat accumulation unit (5) by refrigerant cools higher temperature, absorb and store waste heat keep refrigerant temperature constant, avoid compressor (6) to cause adverse effect.Cold-producing medium is sucked by compressor (6) entrance, is compressed into high temperature and high pressure gas, opens air-cooled heat exchanger inlet valve (7), and high temperature and high pressure gas enters Interior Space cold heat exchanger (8) through four-way makeshift valve (15), provides hot gas with indoor gas heat exchange.Through the condensed liquid process of Interior Space cold heat exchanger (8) capillary restrictor (12), throttling becomes the moist steam of low-temp low-pressure, then it is inner that the cold-producing medium after filter (13) filters is stored in fluid reservoir (14), last wet steam flow enters outdoor solar thermal collector (1) (evaporimeter), and evaporation endothermic completes circulation.
Evening in winter, open solar thermal collector outlet valve (2), solar thermal collector inlet valve (3), close chamber's external condenser inlet valve (4), regulates four-way makeshift valve (15) that ab port is connected, and cd port is connected.Cold-producing medium moist steam is mainly absorbed heat in phase transition heat accumulation unit (5), the heat more than needed that stored daytime is used, after cold-producing medium, pass through successively compressor (6), four-way makeshift valve (15), indoor heat exchanger (8), capillary restrictor (12), filter (13), fluid reservoir (14), finally get back to phase transition heat accumulation unit (5).
Freeze summer: opening chamber's external condenser inlet valve (4), close solar thermal collector outlet valve (2), solar thermal collector inlet valve (3), regulate four-way makeshift valve (15) that db port is connected, ca port is connected, and working media enters kind of refrigeration cycle.The low-pressure steam that completes heat exchange vaporization generation from Interior Space cold heat exchanger (8) is sucked and is compressed into high temperature and high pressure gas by compressor (6) after air-cooled heat exchanger inlet valve (7), four-way makeshift valve (15), enter outdoor heat exchanger (9) and be cooled to liquid, finally enter Interior Space cold heat exchanger (8) heat absorption through fluid reservoir (14), filter (13), capillary restrictor (12), indoor environment temperature is reduced, complete kind of refrigeration cycle.
Claims (2)
1. a solar heat pump refrigerating and heating systems, comprise direct expanding solar heating pump system, air source heat pump system, regenerative apparatus, specifically comprise outdoor condenser, fluid reservoir, filter, capillary restrictor, indoor air-cooled heat exchanger, compressor, four-way makeshift valve, solar thermal collector, phase transition heat accumulation unit, it is characterized in that, the outlet of described solar thermal collector is connected with the entrance of phase transition heat accumulation unit through solar energy heating outlet valve, the outlet of phase transition heat accumulation unit is connected with the entrance of compressor, the outlet of compressor is connected with the port a of four-way makeshift valve, the port b of four-way makeshift valve is connected with air-cooled heat exchanger through air-cooled heat exchanger inlet valve, the outlet of fluid reservoir respectively with condenser, solar thermal collector inlet valve connects, solar thermal collector inlet valve is connected with solar thermal collector, condenser is connected with the port c of four-way makeshift valve through outdoor condenser inlet valve, the entrance of compressor is connected with the port d of four-way makeshift valve.
2. a kind of solar heat pump refrigerating and heating systems according to claim 1, is characterized in that, described phase transition heat accumulation unit comprises outer heat-preservation cylinder, finned tube, phase change heat storage material, joins type joint; Outer heat-preservation cylinder is the stainless steel cylinder that is surrounded by aeroge heat-insulation layer, and two is for joining type joint; In stainless steel cylinder, be inserted with some finned tubes, finned tube and stainless steel cylinder sealed with brazing, join type joint with two and lead directly to, and phase change heat storage material is housed between finned tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748913.2U CN203798014U (en) | 2013-11-25 | 2013-11-25 | Solar heat pump refrigerating and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748913.2U CN203798014U (en) | 2013-11-25 | 2013-11-25 | Solar heat pump refrigerating and heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798014U true CN203798014U (en) | 2014-08-27 |
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ID=51380219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320748913.2U Expired - Fee Related CN203798014U (en) | 2013-11-25 | 2013-11-25 | Solar heat pump refrigerating and heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798014U (en) |
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2013
- 2013-11-25 CN CN201320748913.2U patent/CN203798014U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20141125 |
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| EXPY | Termination of patent right or utility model |