CN203364507U - Air source heat pump device with solar hot water assisting in defrosting - Google Patents
Air source heat pump device with solar hot water assisting in defrosting Download PDFInfo
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- CN203364507U CN203364507U CN201320361853.9U CN201320361853U CN203364507U CN 203364507 U CN203364507 U CN 203364507U CN 201320361853 U CN201320361853 U CN 201320361853U CN 203364507 U CN203364507 U CN 203364507U
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Abstract
The utility model discloses an air source heat pump device with solar hot water assisting in defrosting. The air source heat pump device comprises a solar hot water system and an air source heat pump system. The solar hot water system comprises a circulation water pump, a solar hot water calandria, a first stop valve, a solar energy collector, a heat storage water tank and a third stop valve. The air source heat pump system comprises an evaporator, an expansion valve, a condenser, a four-way reversing valve and a compressor. According to the air source heat pump device, a row of heat exchange pipes are additionally arranged outside an original evaporator, the hot water heated by solar energy flows in the pipes, on one hand, air can be preheated, and on the other hand, heat conduction of fins is used for heating a cooling agent pipeline. Thus, the evaporation temperature is increased, and frosting is fundamentally avoided. The air source heat pump device has the advantages of increasing the evaporation temperature, avoiding frosting fundamentally, improving the efficiency and the work stability of a heat pump, saving power, protecting environment, saving energy and the like.
Description
Technical field
The utility model provides a kind of heat pump apparatus of air source of solar water assisting defrosting, is a kind of Defrost technology of evaporimeter, relates in particular to and utilizes the solar water Defrost technology to apply in heat pump, belongs to the air source heat pump technical field.
Background technology
Enter 21 century, the development that the enhancing of energy shortage and environmental protection consciousness is regenerative resource has brought new opportunity.The development and utilization of regenerative resource, under the support energetically of international community and national governments, has been accelerated promotion rate.Solar energy is the regenerative resource of a kind of inexhaustible, safety, cleanliness without any pollution, and utilizing solar energy that low-grade energy is provided is to reduce building energy consumption, alleviate one of important means of energy and environment crisis.Early 1980s, at first domestic Air Resource Heat Pump Unit obtains application in the market, Shanghai.According to statistics, China's Air Resource Heat Pump Unit has accounted for more than 45% of building air conditioning.
The application of net for air-source heat pump units is more and more extensive, yet, because North China's winter temperature is lower, area, Yangtze river basin air humidity is larger, and unit frosting problem in running can't be avoided, and has a strong impact on system effectiveness.For addressing the above problem, generally adopt water defrosting, electrical heating, hot-gas bypass and reverse cycle defrosting, also have the area by increasing heat exchanger and increase air quantity and improve evaporating temperature, postpone heat pamp, but DeGrain.
The utility model content
The utility model is the weak point existed in above-mentioned prior art for avoiding, and a kind of heat pump apparatus of air source of solar water assisting defrosting is provided, to improve evaporating temperature fundamentally to avoid frosting, the efficiency that improves heat pump and job stability simultaneously.
The utility model be the technical solution problem by the following technical solutions.
The heat pump apparatus of air source of solar water assisting defrosting, its design feature is to comprise solar water heating system and air source heat pump system;
Described solar water heating system comprises water circulating pump, solar water comb, the first stop valve, solar thermal collector, heat storage water tank and the 3rd stop valve, and described water circulating pump, solar water comb, the first stop valve, solar thermal collector, heat storage water tank, the 3rd stop valve and water circulating pump are in turn connected to form annular water circulation system; One end of the second stop valve is connected between solar thermal collector and the first stop valve, and the other end of described the second stop valve is connected between water circulating pump and solar water comb;
Described air source heat pump system comprises evaporimeter, expansion valve, condenser, four-way change-over valve and compressor, described evaporimeter, expansion valve, condenser, four-way change-over valve and evaporimeter are in turn connected to form annular heat pump circulating system, and described four-way change-over valve also is connected with described compressor.
The design feature of the heat pump apparatus of air source of solar water assisting defrosting of the present utility model also is:
Be provided with electric heater unit in described heat storage water tank, on described heat storage water tank, also be connected with water inlet pipe and outlet pipe, on described outlet pipe, be connected with rain spray nozzle.
Be connected with air-conditioning on described condenser.
Compared with the prior art, the utility model beneficial effect is embodied in:
The heat pump apparatus of air source of solar water assisting defrosting of the present utility model, set up row's heat exchanger tube by the outside of original evaporimeter in heat pump apparatus of air source, what in pipe, flow through is the hot water by solar energy heating, on the one hand can carry out preheating to air, also the heat conduction by fin carrys out heating and cooling agent pipeline on the other hand.Improve evaporating temperature, fundamentally avoid frosting.Because raising, evaporating temperature makes the use that heat pump can be efficient, stable.
Simultaneously when continuous cloudy snow weather, the hot water temperature that solar energy makes when temperature required, starts electric heater unit, makes in storage tank within temperature maintains temperature required scope all the time, thereby make more than evaporating temperature maintains design temperature all the time, thereby solve the frosting problem on root.Utilize the air source heat pump of solar water assisting defrosting, will take full advantage of the resource of solar energy, reduce and utilize merely the required electric power resource of electric heated defrosting, the national great strategy that solves frosting problem and reduction energy resource consumption and sustainable development is had to profound significance.
(1) with water defrosting, compare: saving water resource, and due in the water defrosting process, if can not, in time remaining water Ex-all, can in next defrost process, accelerate frosting speed on the contrary, and the design avoid this problem after trickle.
(2) with the electric heated defrosting defrosting, compare: because the major part defrosting is defrosted by solar water, only have cloudy snow weather to adopt electric heated defrosting, compare the electrical heating little power consumption.
And hot gas bypass defrosting (3): avoided when outdoor temperature low; defrost when inadequate, will there is no enough heat absorption, make main shut-down system in defrost process; understand the effect that affect heat hot water because of the capacity minimizing of compressor, can't meet the demand of the normal heat water yield.
Equipment takes full advantage of solar heat water defrosting and electric heater unit, with air source heat pump, combines movingly, has reduced simple electrically heated power consumption, fully effectively utilizes solar energy resources, has the characteristics such as energy-saving and environmental protection, safety; Avoided, in the defrost process in this system, heat pump being stopped, defrost process reopens this problem of heat pump after finishing again, utilizes the system in the design can make the heat pump continuous service.
The heat pump apparatus of air source of solar water assisting defrosting of the present utility model, have the evaporating temperature of raising fundamentally to avoid the advantages such as frosting, the efficiency that improves heat pump and job stability, using electricity wisely, environmental protection and energy saving simultaneously.
The accompanying drawing explanation
The systematic schematic diagram of the heat pump apparatus of air source that Fig. 1 is solar water assisting defrosting of the present utility model.
Operational flow diagram during winter of the heat pump apparatus of air source that Fig. 2 is solar water assisting defrosting of the present utility model.
Operational flow diagram during summer of the heat pump apparatus of air source that Fig. 3 is solar water assisting defrosting of the present utility model.
Label in accompanying drawing 1～3: 1-compressor; The 2-four-way change-over valve; The 3-stop valve; The 4-stop valve; The 5-stop valve; The 6-water circulating pump; The 7-shower spraying is first-class; The 8-solar thermal collector; The 9-electric heater unit; The 10-storage tank; The 11-expansion valve; The 12-condenser; The 13-end equipment; 14-solar water comb; The 15-evaporimeter, 16 outlet pipes, 17 water inlet pipes.
Below pass through the specific embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
The specific embodiment
Referring to Fig. 1～3, the heat pump apparatus of air source of solar water assisting defrosting comprises solar water heating system and air source heat pump system.
Described solar water heating system comprises water circulating pump 6, solar water comb 14, the first stop valve 3, solar thermal collector 8, heat storage water tank 10 and the 3rd stop valve 5, and described water circulating pump 6, solar water comb 14, the first stop valve 3, solar thermal collector 8, heat storage water tank 10, the 3rd stop valve 5 and water circulating pump 6 are in turn connected to form annular water circulation system; One end of the second stop valve 4 is connected between solar thermal collector 8 and the first stop valve 3, and the other end of described the second stop valve 4 is connected between water circulating pump 6 and solar water comb 14;
Described air source heat pump system comprises evaporimeter 15, expansion valve 11, condenser 12, four-way change-over valve 2 and compressor 1, described evaporimeter 15, expansion valve 11, condenser 12, four-way change-over valve 2 and evaporimeter 15 are in turn connected to form annular heat pump circulating system, and described four-way change-over valve 2 also is connected with described compressor 1.As Fig. 1, the circulatory system of the water circulating pump 6 that solar water heating system is connection successively, solar water comb 14, the first stop valve 3, solar thermal collector 8, heat storage water tank 10, the 3rd stop valve 5, water circulating pump 6, and electric heater unit 9 is housed in heat storage water tank 10, also is connected to the second stop valve 4 between water circulating pump 6 and solar thermal collector 8; The evaporimeter 15 that air source heat pump system is connection successively, expansion valve 11, condenser 12, the compressor 1 of four-way change-over valve 2 accesses, the circulatory system of evaporimeter 15; The solar water comb 14 of solar water heating system is located at outside the evaporimeter 15 of air source heat pump system, while in solar water comb 14, flowing through hot water, on the one hand can preheated air, also can to refrigerant tubing, be heated by the fin heat conduction of evaporimeter 15 on the other hand.Set up the controllable heat exchanger tube of a row by the outside of original evaporimeter in heat pump apparatus of air source, what in pipe, flow through is the hot water by solar energy heating, on the one hand can carry out preheating to air, and also the heat conduction by fin carrys out heating and cooling agent pipeline on the other hand.Improve evaporating temperature, fundamentally avoid frosting.Because raising, evaporating temperature makes the use that heat pump can be efficient, stable.
Be provided with electric heater unit 9 in described heat storage water tank 10, also be connected with water inlet pipe 17 and outlet pipe 16 on described heat storage water tank 10, on described outlet pipe 16, be connected with rain spray nozzle 7.
Be connected with end equipment 13 on described condenser 12, the preferred air-conditioning 13 of end equipment.
The method of operation during solar water heating system winter frost removing is: close the second stop valve 4, open the first stop valve 3 and the 3rd stop valve 5; Water circulating pump 6 connects solar water comb 14, solar water comb 14 connects the first stop valve 3, the first stop valve 3 is connected with solar thermal collector 8, solar thermal collector 8 connects heat storage water tank 10, be provided with an electric heater unit 9 in heat storage water tank 10, heat storage water tank 10 is connected with the 3rd stop valve 5, and the 3rd stop valve 5 is connected with water circulating pump 6, forms the circulatory system of a hot water.
When sunny, after solar thermal collector 8 absorbs solar energy, water temperature raises, hot water enters heat storage water tank 10, hot water is through the 3rd stop valve 5, through water circulating pump 6, hot water is sent into to solar water comb 14 again, flow through the cold-producing medium coil pipe after the outer air themperature of solar water comb 14 raises, by cold-producing medium coil pipe inner refrigerant, absorb the air heat; Solar water comb 14 promotes the temperature of the cold-producing medium coil pipe of evaporimeter 15 simultaneously, and then improves evaporating temperature, evaporating temperature is maintained more than 0 ℃, the frosting of the device 15 that avoids evaporating;
The work engineering of air source heat pump during winter is: compressor 1 low pressure air suction side connects the S interface of four-way change-over valve 2, the gas that now the S interface is low-voltage high-temperature, the gas of low-voltage high-temperature enters compressor 1, the high pressure gas side of compressor 1 is connected with the D interface of four-way change-over valve, the gas that D interface one side is high pressure-temperature, the E interface of four-way change-over valve and S interface communicate, D interface and C interface communicate, high temperature and high pressure gas enters condenser 12 through D interface and C interface, from condenser 12 out be cryogenic high pressure liquid, cryogenic high pressure liquid enters expansion valve 11 and out becomes afterwards the liquid of low-temp low-pressure, the liquid of low-temp low-pressure enters after evaporimeter 15 absorbs heat the gas that becomes high-temperature low-pressure again, the gas of high-temperature low-pressure is through the E interface of four-way change-over valve and the low pressure air suction side that the S interface enters compressor, thereby realize heating circulation, water temperature in heat storage water tank 10 during lower than 40 ℃, is opened electric heater unit 9, and the water temperatures in heat storage water tank 10 are maintained more than 40 ℃.
The method of operation of solar water heating system during summer is: cut off the first stop valve 3, open the second stop valve 4 and the 3rd stop valve 5, water circulating pump 6 is sent cold water into solar thermal collector 8, and solar thermal collector 8 deposits the hot water of acquisition in heat storage water tank 10;
Work engineering when the air source heat pump side is freezed summer is: the low pressure air suction side of compressor 1 connects the S interface of four-way change-over valve 2, the high pressure gas side of compressor 1 connects the D interface of four-way change-over valve, evaporimeter 15 connects the C interface of four-way change-over valve, E interface and S interface are communicated with, D interface and C interface are communicated with, condenser 12 connects the E interface of four-way change-over valve, realizes the refrigerating function in summer.
Solar water heating system: water circulating pump 6---solar water comb 14---stop valve 3---solar thermal collector 8------stop valve 5---water circulating pump 6 of inside establishing the heat storage water tank 10 of electric heater unit 9.Air source heat pump system: by compressor 1---evaporimeter 15---expansion valve 11---condenser 12---compressor 1 of four-way change-over valve 2 accesses.This system comprise winter solar energy hot water defrosting heat pump heating and summer heat pump refrigeration system and solar energy hot water supply system.
The winter operation flow chart is as Fig. 2.
During summer operation: due to summer outdoor temperature high, evaporating temperature can be lower than 0 ° of C, therefore without the refrigerator in hot water in solar thermal collector and evaporimeter, not carry out heat exchange.Only have the continuous electric heater unit 9 of opening when overcast and rainy, hot water can be by the shower spraying be connected with heat storage water tank 10 first-class 7 as for the domestic hot-water such as having a bath.
Connect expansion valve 11 between evaporimeter and condenser, condenser 12 connects the E interface of four-way change-over valves, by the end equipment 13 that is connected with condenser 12, as air-conditioning etc., realizes the refrigerating function in summer.The summer operation flow chart is as Fig. 3.
The evaporating temperature of equipment use solar water comb refrigerant feeding in the winter time, and the temperature of low-temperature receiver, make from source and avoid frosting, is more conducive to the operation of source pump.Can guarantee that the evaporating pressure of unit and condensing pressure are in stable scope, thus the life-span of improving unit.After COP improves, power consumption reduces, thereby alleviates the problem of southern power consumption anxiety.The heat pump apparatus of air source range of application of solar water assisting defrosting comprises south and the most of northern area that upsurge is wet.
Claims (3)
1. the heat pump apparatus of air source of solar water assisting defrosting, is characterized in that, comprises solar water heating system and air source heat pump system;
Described solar water heating system comprises water circulating pump (6), solar water comb (14), the first stop valve (3), solar thermal collector (8), heat storage water tank (10) and the 3rd stop valve (5), and described water circulating pump (6), solar water comb (14), the first stop valve (3), solar thermal collector (8), heat storage water tank (10), the 3rd stop valve (5) and water circulating pump (6) are in turn connected to form annular water circulation system; One end of the second stop valve (4) is connected between solar thermal collector (8) and the first stop valve (3), and the other end of described the second stop valve (4) is connected between water circulating pump (6) and solar water comb (14);
Described air source heat pump system comprises evaporimeter (15), expansion valve (11), condenser (12), four-way change-over valve (2) and compressor (1), described evaporimeter (15), expansion valve (11), condenser (12), four-way change-over valve (2) and evaporimeter (15) are in turn connected to form annular heat pump circulating system, and described four-way change-over valve (2) also is connected with described compressor (1).
2. the heat pump apparatus of air source of solar water assisting defrosting according to claim 1, it is characterized in that, be provided with electric heater unit (9) in described heat storage water tank (10), also be connected with water inlet pipe (17) and outlet pipe (16) on described heat storage water tank (10), be connected with rain spray nozzle (7) on described outlet pipe (16).
3. the heat pump apparatus of air source of solar water assisting defrosting according to claim 1, is characterized in that, is connected with air-conditioning (13) on described condenser (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320361853.9U CN203364507U (en) | 2013-06-21 | 2013-06-21 | Air source heat pump device with solar hot water assisting in defrosting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320361853.9U CN203364507U (en) | 2013-06-21 | 2013-06-21 | Air source heat pump device with solar hot water assisting in defrosting |
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| CN203364507U true CN203364507U (en) | 2013-12-25 |
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| CN201320361853.9U Expired - Fee Related CN203364507U (en) | 2013-06-21 | 2013-06-21 | Air source heat pump device with solar hot water assisting in defrosting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335454A (en) * | 2013-06-21 | 2013-10-02 | 安徽中家智锐科技有限公司 | Air source heat pump device with solar hot water auxiliary defrosting function and use method thereof |
| CN103822396A (en) * | 2014-02-08 | 2014-05-28 | 河南科技大学 | Heat exchanger running auxiliary system and heat exchanger system using same |
| CN105318559A (en) * | 2014-07-01 | 2016-02-10 | 贵州中建建筑科研设计院有限公司 | Solar energy and air source heat pump water heating system and control method |
| CN105402886A (en) * | 2015-11-12 | 2016-03-16 | 海宁金能热水器有限公司 | Air energy water heater with clothes drying function |
| CN105783356A (en) * | 2016-03-29 | 2016-07-20 | 合肥美的暖通设备有限公司 | Air conditioner defrosting system, air conditioner and air conditioner defrosting and heat recovery method |
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2013
- 2013-06-21 CN CN201320361853.9U patent/CN203364507U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335454A (en) * | 2013-06-21 | 2013-10-02 | 安徽中家智锐科技有限公司 | Air source heat pump device with solar hot water auxiliary defrosting function and use method thereof |
| CN103335454B (en) * | 2013-06-21 | 2015-07-29 | 安徽中家智锐科技有限公司 | The heat pump apparatus of air source of solar water assisting defrosting and using method thereof |
| CN103822396A (en) * | 2014-02-08 | 2014-05-28 | 河南科技大学 | Heat exchanger running auxiliary system and heat exchanger system using same |
| CN103822396B (en) * | 2014-02-08 | 2016-03-09 | 河南科技大学 | Heat exchanger runs accessory system and uses the heat exchanger system of this system |
| CN105318559A (en) * | 2014-07-01 | 2016-02-10 | 贵州中建建筑科研设计院有限公司 | Solar energy and air source heat pump water heating system and control method |
| CN105318559B (en) * | 2014-07-01 | 2023-05-09 | 贵州中建建筑科研设计院有限公司 | Solar energy and air source heat pump hot water system and control method |
| CN105402886A (en) * | 2015-11-12 | 2016-03-16 | 海宁金能热水器有限公司 | Air energy water heater with clothes drying function |
| CN105402886B (en) * | 2015-11-12 | 2018-04-06 | 海宁金能热水器有限公司 | A kind of air-source water heater with clothes drying function |
| CN105783356A (en) * | 2016-03-29 | 2016-07-20 | 合肥美的暖通设备有限公司 | Air conditioner defrosting system, air conditioner and air conditioner defrosting and heat recovery method |
| CN105783356B (en) * | 2016-03-29 | 2019-03-22 | 合肥美的暖通设备有限公司 | Air conditioner is except defrosting system, air conditioner, air conditioner defrosting and heat recovery method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |