CN103940164A - Solution spraying type frostless air source heat pump device - Google Patents

Solution spraying type frostless air source heat pump device Download PDF

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Publication number
CN103940164A
CN103940164A CN201410208575.2A CN201410208575A CN103940164A CN 103940164 A CN103940164 A CN 103940164A CN 201410208575 A CN201410208575 A CN 201410208575A CN 103940164 A CN103940164 A CN 103940164A
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heat exchanger
air
valve
expansion valve
solution
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CN103940164B (en
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石文星
李宁
宋鹏远
李先庭
王宝龙
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Tsinghua University
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Tsinghua University
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Abstract

The invention belongs to the field of heat pump technologies and refrigeration air conditioners, and relates to a solution spraying type frostless air source heat pump device. The device comprises a compressor, a four-way valve, an indoor heat exchanger, a first expansion valve, an outdoor heat exchange unit and a control unit. A heat exchanger in the outdoor heat exchange unit comprises a spraying type heat exchanger body, a second expansion valve and a finned heat exchanger body, and outdoor air firstly passes through the spraying type heat exchanger body and then passes through the finned heat exchanger body. In the heating process, refrigerating fluid from the first expansion valve flows through the spraying type heat exchanger body, the second expansion valve and the finned heat exchanger body in sequence and flows to an air suction opening of the compressor. In the refrigeration process, the refrigerating fluid discharged out of the compressor flows through the finned heat exchanger body, the second expansion valve and the spraying type heat exchanger body in sequence and then flows to the first expansion valve. Through the adjustment of the opening states of the first expansion valve and the second expansion valve, the heat pump device has the advantages that the outdoor heat exchange unit operates without frost in the heating process, the heating performance is stable, the regeneration power consumption is low, and the refrigeration operating performance in summer is improved.

Description

A kind of solution spraying formula Frostless air-source heat pump device
Technical field
The invention belongs to the technical field of Refrigeration Technique and air source heat pump, particularly a kind of spray dehumidifying with regenerated heat reclaim Frostless air-source heat pump system.
Background technology
Air source heat pump taking into account cooling and warming, compact conformation, energy-saving and water-saving, the plurality of advantages such as easy to install and use has obtained propagation and employment widely in China middle and lower reach of Yangtze River, southwest and South China.But the area of the low and high humidity of temperature in the winter time, air source heat pump is frosting very easily.Frosting not only can reduce heat exchange area and increase heat exchange thermal resistance, also can increase air flow resistance, reduces air quantity, and then causes heat capacity deficiency, heats energy consumption and increases.Therefore, development accurately defrosts, delays frosting or avoids the air source heat pump technology of frosting is the task of top priority of current heat pump techniques, is also the inevitable requirement that expands air source heat pump application region.
Chinese patent literature (patent No. ZL200910098008.5) discloses the technical scheme of utilizing anti-icing fluid to ensure air source heat pump frostless operation, thereby this scheme is utilized the energy consumption that condensation heat is regenerated to weak solution and the hot and humid air that regeneration obtained by low temperature weak solution carries out recuperation of heat and reduced regeneration.But the regeneration of waste liquor circulation more complicated of this system, improper all may the causing on controlling and moving departs from larger with design.International refrigeration magazine (International Journal of Refrigeration, 2012, 35 (5): 1327-1334) document " A new method for preventing air source heat pump water heaters from frosting " (a kind of new method that prevents air source hot pump water heater frosting) was disclosed in 2012, Authors of Science Articles has proposed circulating Frostless air-source heat pump systems technology scheme, it first carries out adsorption and dehumidification by the evaporimeter that is coated with adsorbent by outdoor air under heating mode, make again the air after dehumidifying enter secondary evaporimeter and carry out heat exchange, thereby avoid frosting, under regeneration mode, by the mode of circulated air, adsorbent is regenerated, realize the recovery completely to regenerated heat.This system pattern has solved the high energy consumption problem that can Frostless air-source heat pump preventing frosting and may be caused preferably, but still have the following disadvantages: 1. due at air cooling heat exchanger surface spraying sorbent material, therefore the consumption of its adsorbent is limited, there is no and doubt and can shorten frostless running time, cause regenerative process frequently to be carried out, affect indoor comfortableness; 2. sorbing material can cause the heat exchange property variation of heat exchanger, and especially, in the time moving under refrigeration mode summer, sorbing material heat exchanger is unfavorable especially; .
Above-mentioned Frostless air-source heat pump system still exist due to the unreasonable high energy consumption causing of design, cannot avoid for a long time frosting, due to utilize outdoor Cryogenic air to regenerate to cause the unstable frosting even again of operating mode or system too complexity cause investing the problems such as O&M costliness.
Summary of the invention
The object of the invention is on prior art basis, a kind of Frostless air-source heat pump with the feature such as simple in structure, reliable, frost prevention ability is strong, energy consumption level is low is provided, be intended to improve reliability, comfortableness and the security of heat supply.
Technical scheme of the present invention is as follows:
A kind of solution spraying formula Frostless air-source heat pump device, comprises compressor, cross valve, indoor heat exchanger, the first expansion valve, outdoor heat exchange unit and control module; Described outdoor heat exchange unit contains spray-type heat exchanger, the second expansion valve, finned heat exchanger, blower fan, solidifying water pond, tapping pipe, liquid storage tank, solution circulation pump and spray equipment; It is characterized in that: refrigerant line one end of described spray-type heat exchanger is connected with the outlet of the first expansion valve, the other end is connected with the refrigerant inlet of finned heat exchanger by the second expansion valve, and the refrigerant outlet of finned heat exchanger is connected with No. four mouths of cross valve; Described blower fan drive chamber outer air is first passed through finned heat exchanger again through spray-type heat exchanger; Described liquid storage tank is arranged on the below of spray-type heat exchanger, and the solution in liquid storage tank is connected with the spray equipment of coil pipe top by solution circulation pump solution circulation pump; Described solidifying water pond is arranged on finned heat exchanger below, and described tapping pipe is arranged on the bottom of solidifying water pond.
Described outdoor heat exchange unit also comprises outdoor heat exchange machine unit shell, the first air-valve, the second air-valve and circulation air-valve, and the first described air-valve is arranged on the inlet side of outdoor heat exchange machine unit shell, and the second described air-valve is arranged on the air side of housing; Between the first air-valve and spray-type heat exchanger air inlet and between finned heat exchanger air outlet and the second air-valve, be connected with circulation air path, described circulation air-valve is arranged on circulation air path; Blower fan is arranged on the optional position between the first air-valve and spray-type heat exchanger air inlet, or be arranged on the optional position between spray-type heat exchanger air outlet and finned heat exchanger air inlet, or be arranged on the optional position between finned heat exchanger air outlet and the second air-valve.
Described outdoor heat exchange unit also comprises concentration sensor, Temperature Humidity Sensor and pressure sensor, and the signal of these sensor collections is connected with control module by data wire.
In described circulation air path, be provided with water fender.
Described indoor heat exchanger adopts water-cooled heat exchanger, or adopts air-cooled heat exchanger, or adopts the heat exchange port taking air, water, solution as heat transferring medium.
The first described expansion valve and the second expansion valve adopt electric expansion valve, or adopt the combination of heating power expansion valve and magnetic valve, or adopt the combination of capillary, restriction sleeve and magnetic valve, or adopt hand valve.
Described spray-type heat exchanger adopts pipe heat exchanger or plate type heat exchanger, at the in-built filler that increases heat exchange area that is useful on of heat exchanger.
Described finned heat exchanger adopts fin-tube type heat exchanger or plate-fin heat exchanger.
The mixture of one or more in solution employing water, calcium chloride solution, sodium chloride solution, lithium-bromide solution, lithium chloride solution, ethylene glycol solution and triethylene glycol solution in described liquid storage tank.
The present invention utilizes spray-type heat exchanger to dehumidify to outdoor air under heating mode, reduces the dew-point temperature of air, makes its temperature lower than evaporator surface, thereby avoids frosting, realizes Frostless air-source heat pump.Under regeneration mode, utilize the solution to moisture absorption from condenser high-temperature liquid state cold-producing medium out to carry out heat exchange regeneration, cold-producing medium is further excessively cold simultaneously, air after moisture absorption circulates between spray-type heat exchanger and evaporimeter by the air loop of bypass, and airborne water is discharged system at finned evaporator surface condensation gradually.And under summer refrigeration mode, the spray-type heat exchanger water spray in outdoor heat exchange unit can effectively reduce condensation temperature as condenser, thereby improves the COP of system.The present invention takes full advantage of the feature of spray-type heat exchanger, not only effectively avoid frosting, and do not need extra solution regeneration system, reclaim reactivation heat completely, reduce defrosting energy consumption, improved reliability and the security of heat pump heat supply, and under summer refrigeration mode, spray-type heat exchanger is sprayed water as condenser, has improved the utilization rate of equipment.Compared with prior art have advantages of following outstanding:
1. frostless long operational time: amount of solution is controllable, significantly improve the time of the frostless operation of this system, therefore can ensure all the time without regenerating at frozen condition, and unified regeneration of efficient period, make the regulation and control of system simple, that confession is thermally-stabilised, thermal comfort meets rate is high.2. summer, performance was significantly improved: owing to adopting spray-type heat exchanger, the present invention is not only applicable to Winter heat supply, is applicable to highly effective refrigeration in summer yet, thereby has saved extra refrigeration plant, reduces initial cost and whole year operation energy consumption.3. move efficient stable: owing to having increased housing, air circulation of the present invention is closed system, can greatly reduce the impact of outdoor environment on system condition and performance, the Energy Efficiency Ratio while effectively having improved regeneration, and can be to user's side transfer heat in regeneration of waste liquor.4. simple in structure, technology maturation: off-premises station is replaced with to outdoor heat exchange unit in the technical foundation of existing air source heat pump, no matter be conducive to the research and development that prior art transformation and upgrade are also conducive to new equipment; In addition, the each parts that adopt in outdoor heat exchange unit are also the assemblies of development comparative maturity, and technical feasibility is high.
Brief description of the drawings
Fig. 1 is structure, the principle of solution spraying formula Frostless air-source heat pump device embodiment provided by the invention and heats process workflow journey schematic diagram.
Fig. 2 is structure, principle and the regenerative process workflow schematic diagram of solution spraying formula Frostless air-source heat pump device embodiment provided by the invention.
Fig. 3 is structure, principle and the process of refrigerastion workflow schematic diagram of solution spraying formula Frostless air-source heat pump device embodiment provided by the invention.
Fig. 4 is structure, the principle of circulating solution spraying Frostless air-source heat pump device embodiment provided by the invention and heats process workflow journey schematic diagram.
Fig. 5 is structure, principle and the regenerative process workflow schematic diagram of circulating solution spraying Frostless air-source heat pump device embodiment provided by the invention.
Fig. 6 is structure, principle and the process of refrigerastion workflow schematic diagram of circulating solution spraying Frostless air-source heat pump device embodiment provided by the invention.
In Fig. 1~Fig. 6, the name of each parts is called: 1 ?compressor; 2 ?cross valve; 3 ?indoor heat exchanger; 4 ?the first expansion valve; 5 ?outdoor heat exchange unit; 201 ?a mouth; 202 ?No. two mouths; 203 ?No. three mouths; 204 ?No. four mouths; 501 ?spray-type heat exchanger; 502 ?the second expansion valve; 503 ?finned heat exchanger; 504 ?solidifying water pond; 505 ?liquid storage tank; 506 ?solution circulation pump; 507 ?spray equipment; 508 ?tapping pipe; 509 ?the first air-valve; 510 ?the second air-valve; 511 ?circulation air-valves; 512 ?outdoor heat exchange machine unit shell; 513 ?circulation air path; 521 ?blower fan; 522 ?spray-type heat exchanger inlet side; 523 ?fin-tube type heat exchanger air side.
Detailed description of the invention
Below in conjunction with accompanying drawing, structure of the present invention, principle and the course of work are described further.
Referring to Fig. 1, the present invention includes compressor 1, cross valve 2, indoor heat exchanger 3, the first expansion valve 4, outdoor heat exchange unit 5 and control module; Described outdoor heat exchange unit 5 contains spray-type heat exchanger 501, the second expansion valve 502, finned heat exchanger 503, blower fan 521, solidifying water pond 504, tapping pipe 508, liquid storage tank 505, solution circulation pump 506 and spray equipment 507.
Refrigerant line one end of spray-type heat exchanger 501 of the present invention is connected with the outlet of the first expansion valve 4, the other end is connected with the refrigerant inlet of finned heat exchanger 503 by the second expansion valve 502, and the refrigerant outlet of finned heat exchanger 503 is connected with No. four mouths 204 of cross valve 2; Described blower fan 521 drive chamber's outer air are first passed through finned heat exchanger 503 again through spray-type heat exchanger 501; Described liquid storage tank 505 is arranged on the below of spray-type heat exchanger 501, and the solution in liquid storage tank 505 is connected with the spray equipment 507 of coil pipe top by solution circulation pump solution circulation pump 506; Described solidifying water pond 504 is arranged on finned heat exchanger 503 belows, and described tapping pipe 508 is arranged on the bottom of solidifying water pond 504.
Outdoor heat exchange unit 5 of the present invention also comprises outdoor heat exchange machine unit shell 512, the first air-valve 509, the second air-valve 510 and circulation air-valve 511, the first described air-valve 509 is arranged on the inlet side of outdoor heat exchange machine unit shell 512, and the second described air-valve 510 is arranged on the air side of housing; Between the first air-valve 509 and spray-type heat exchanger 501 air inlets and between finned heat exchanger 503 air outlets and the second air-valve 510, be connected with circulation air path 513, described circulation air-valve 511 is arranged on circulation air path 513; Blower fan 521 is arranged on the optional position between the first air-valve 509 and spray-type heat exchanger 501 air inlets, or be arranged on the optional position between spray-type heat exchanger 501 air outlets and finned heat exchanger 503 air inlets, or be arranged on the optional position between finned heat exchanger 503 air outlets and the second air-valve 510.
A mouth 201 of cross valve 2 of the present invention is connected with the air entry of compressor 1, No. two mouth 202 is connected with indoor heat exchanger 3, No. three mouth 203 is connected with the exhaust outlet of compressor 1, and No. four mouth 204 is connected with the refrigerant outlet of the finned heat exchanger 503 in outdoor heat exchange unit 5.
Outdoor heat exchange unit 5 of the present invention also comprises concentration sensor, Temperature Humidity Sensor and pressure sensor, and the signal of these sensor collections is connected with control module by data wire.
In circulation air path 513 of the present invention, be provided with water fender, for preventing that solution from causing blower fan to damage or corrosion along with circulated air enters blower fan.
Indoor heat exchanger 3 of the present invention adopts water-cooled heat exchanger, or adopts air-cooled heat exchanger, or adopts the heat exchange port taking air, water, solution as heat transferring medium.
The first expansion valve 4 of the present invention and the second expansion valve 502 adopt electric expansion valve, or adopt the combination of heating power expansion valve and magnetic valve, or adopt the combination of capillary, restriction sleeve and magnetic valve, or adopt hand valve.Spray-type heat exchanger 501 of the present invention adopts pipe heat exchanger or plate type heat exchanger, at the in-built filler that increases heat exchange area that is useful on of heat exchanger.
Finned heat exchanger 503 of the present invention adopts fin-tube type heat exchanger or plate-fin heat exchanger.
The mixture of one or more in solution employing water, calcium chloride solution, sodium chloride solution, lithium-bromide solution, lithium chloride solution, ethylene glycol solution and triethylene glycol solution in liquid storage tank 505 of the present invention.
Outdoor heat exchange machine unit shell 512 of the present invention can be horizontal, cabinet type, combined type or other forms, can take the circumstances into consideration to increase preservative treatment and insulation is processed.
Specific embodiment one
Solution spraying formula Frostless air-source heat pump of the present invention has heating mode, regeneration mode and refrigeration mode.
Referring to Fig. 1, under heating mode: a mouth 201 and No. four mouth 204 conductings of cross valve, No. two mouths 202 and No. three mouth 203 conductings, the first expansion valve 4, the normal throttling of the second expansion valve 502, system enters heating mode.Cold-producing medium is compressed into high temperature and high pressure gas through compressor 1, enter indoor heat exchanger 3 and be condensed into the saturated liquid of high pressure through cross valve 2, after a throttling of the first expansion valve 4, part cold-producing medium, at the interior evaporation endothermic of spray-type heat exchanger 501, is overheated gas at the interior complete evaporation endothermic of finned evaporator 503 after the second throttle of the second expansion valve 502.Last cold-producing medium turns back to compressor 1 by cross valve 2, completes one and heats circulation.Air first dehumidifies through spray-type heat exchanger 501, then enters evaporimeter 503 and carries out heat exchange, because dew-point temperature is now lower than the temperature of evaporator surface, so can frosting.Can make spray-type heat exchanger 501 and finned evaporator 503 for different evaporating temperatures by controlling the aperture of the first expansion valve 4, the second expansion valve 502.
Referring to Fig. 2, under regeneration mode: a mouth 201 and No. four mouth 204 conductings of cross valve, No. two mouths 202 and No. three mouth 203 conductings, the first expansion valve 4 is opened completely, the normal throttling of the second expansion valve 502, system enters regeneration mode.Now, can be by the blower fan of indoor heat exchanger 3 or water pump stall to reduce the heat-obtaining ability of indoor heat exchanger, cold-producing medium is compressed into the gas of HTHP through compressor 1, enter indoor heat exchanger 3 partial condensations through cross valve 2, then enter the further condensation of spray-type heat exchanger 501 and excessively cold, after the second expansion valve 502 throttlings, be overheated gas at the interior evaporation endothermic of Fin and tube evaporator 503, turn back to compressor 1 by cross valve 2, complete a regeneration cycle.Now, air circulates by air channel between spray-type heat exchanger 501 and finned evaporator 503, constantly the moisture absorbing under heating mode is taken to finned evaporator 503 condensations and discharge system, after solution returns to original state, regeneration mode finishes.
Referring to Fig. 3, under refrigeration mode: a mouth 201 and No. two mouth 202 conductings of cross valve, No. three mouths 203 and No. four mouth 204 conductings, the normal throttling of the first expansion valve 4, the second expansion valve 502 are opened completely, and system enters refrigeration mode.Cold-producing medium is compressed into high temperature and high pressure gas through compressor 1, enter and in outdoor heat exchange unit 5, carry out condensation through cross valve 2, spray-type heat exchanger 501 is sprayed water simultaneously, the condensation temperature of the liquid refrigerant going out due to spray-type heat exchanger 501 condensations is lower than the condensation temperature of conventional air cooled condenser, and can improve the degree of supercooling of cold-producing medium, therefore Energy Efficiency Ratio and the refrigerating capacity of system have been improved, the liquid refrigerant condensing from spray-type heat exchanger 501 through the throttling of the first expansion valve 4 laggard enter the interior evaporation endothermic of indoor heat exchanger 3, then return to the entrance of compressor 1 through cross valve 2, complete a kind of refrigeration cycle.
Specific embodiment two
The following describes while adopting air circulating type systems technology scheme, the present invention is in idiographic flow and the operation principle of heating mode, regeneration mode and refrigeration mode.
Referring to Fig. 4, under heating mode: a mouth 201 and No. four mouth 204 conductings of cross valve, No. two mouths 202 and No. three mouth 203 conductings, the first expansion valve 4, the normal throttling of the second expansion valve 502, the first air-valve 509, the second air-valve 510 are opened, and circulation air-valve 511 cuts out, and system enters heating mode.Cold-producing medium is compressed into high temperature and high pressure gas through compressor 1, enter indoor heat exchanger 3 and be condensed into the saturated liquid of high pressure through cross valve 2, after a throttling of the first expansion valve 4, part cold-producing medium, at the interior evaporation endothermic of spray-type heat exchanger 501, is overheated gas at the interior complete evaporation endothermic of finned evaporator 503 after the second throttle of the second expansion valve 502.Last cold-producing medium turns back to compressor 1 by cross valve 2, completes one and heats circulation.Air first dehumidifies through spray-type heat exchanger 501, then enters evaporimeter 503 and carries out heat exchange, because dew-point temperature is now lower than the temperature of evaporator surface, so can frosting.Can make spray-type heat exchanger 501 and finned evaporator 503 for different evaporating temperatures by controlling the aperture of the first expansion valve 4, the second expansion valve 502.
Referring to Fig. 5, under regeneration mode: a mouth 201 and No. four mouth 204 conductings of cross valve, No. two mouths 202 and No. three mouth 203 conductings, the first expansion valve 4 is opened completely, the normal throttling of the second expansion valve 502, the first air-valve 509, the second air-valve 510 are closed, and circulation air-valve 511 is opened, and system enters regeneration mode.Now, can be by the blower fan of indoor heat exchanger 3 or water pump stall to reduce the heat-obtaining ability of indoor heat exchanger, cold-producing medium is compressed into the gas of HTHP through compressor 1, enter indoor heat exchanger 3 partial condensations through cross valve 2, then enter the further condensation of spray-type heat exchanger 501 and excessively cold, after the second expansion valve 502 throttlings, be overheated gas at the interior evaporation endothermic of finned evaporator 503, turn back to compressor 1 by cross valve 2, complete a regeneration cycle.Now, air circulates by air channel between spray-type heat exchanger 501 and finned evaporator 503, constantly the moisture absorbing under heating mode is taken to finned evaporator 503 condensations and discharge system, after solution returns to original state, regeneration mode finishes.
Referring to Fig. 6, under refrigeration mode: a mouth 201 and No. two mouth 202 conductings of cross valve, No. three mouths 203 and No. four mouth 204 conductings, the normal throttling of the first expansion valve 4, the second expansion valve 502 are opened completely, the first air-valve 509, the second air-valve 510 are opened, circulation air-valve 511 cuts out, and system enters refrigeration mode.Cold-producing medium is compressed into high temperature and high pressure gas through compressor 1, enter and in outdoor heat exchange unit 5, carry out condensation through cross valve 2, spray-type heat exchanger 501 is sprayed water simultaneously, the condensation temperature of the liquid refrigerant going out due to spray-type heat exchanger 501 condensations is lower than the condensation temperature of conventional air cooled condenser, and can improve the degree of supercooling of cold-producing medium, therefore Energy Efficiency Ratio and the refrigerating capacity of system have been improved, the liquid refrigerant condensing from spray-type heat exchanger 501 through the throttling of the first expansion valve 4 laggard enter the interior evaporation endothermic of indoor heat exchanger 3, then return to the entrance of compressor 1 through cross valve 2, complete a kind of refrigeration cycle.

Claims (9)

1. a solution spraying formula Frostless air-source heat pump device, comprises compressor (1), cross valve (2), indoor heat exchanger (3), the first expansion valve (4), outdoor heat exchange unit (5) and control module; Described outdoor heat exchange unit (5) contains spray-type heat exchanger (501), the second expansion valve (502), finned heat exchanger (503), blower fan (521), solidifying water pond (504), tapping pipe (508), liquid storage tank (505), solution circulation pump (506) and spray equipment (507); It is characterized in that: refrigerant line one end of described spray-type heat exchanger (501) is connected with the outlet of the first expansion valve (4), the other end is connected with the refrigerant inlet of finned heat exchanger (503) by the second expansion valve (502), and the refrigerant outlet of finned heat exchanger (503) is connected with No. four mouths (204) of cross valve (2); Described blower fan (521) drive chamber outer air is first passed through spray-type heat exchanger (501) again by finned heat exchanger (503); Described liquid storage tank (505) is arranged on the below of spray-type heat exchanger (501), and the solution in liquid storage tank (505) is connected with the spray equipment (507) of coil pipe top by solution circulation pump solution circulation pump (506); Described solidifying water pond (504) is arranged on finned heat exchanger (503) below, and described tapping pipe (508) is arranged on the bottom of solidifying water pond (504).
2. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1, it is characterized in that: described outdoor heat exchange unit (5) also comprises outdoor heat exchange machine unit shell (512), the first air-valve (509), the second air-valve (510) and circulation air-valve (511), described the first air-valve (509) is arranged on the inlet side of outdoor heat exchange machine unit shell (512), and described the second air-valve (510) is arranged on the air side of housing; Between the first air-valve (509) and spray-type heat exchanger (501) air inlet and between finned heat exchanger (503) air outlet and the second air-valve (510), be connected with circulation air path (513), described circulation air-valve (511) is arranged on circulation air path (513); Blower fan (521) is arranged on the optional position between the first air-valve (509) and spray-type heat exchanger (501) air inlet, or be arranged on the optional position between spray-type heat exchanger (501) air outlet and finned heat exchanger (503) air inlet, or be arranged on the optional position between finned heat exchanger (503) air outlet and the second air-valve (510).
3. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1 and 2, it is characterized in that: described outdoor heat exchange unit (5) also comprises concentration sensor, Temperature Humidity Sensor and pressure sensor, and the signal of these sensor collections is connected with control module by data wire.
4. a kind of solution spraying formula Frostless air-source heat pump device according to claim 2, is characterized in that: in described circulation air path (513), be provided with water fender.
5. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1, it is characterized in that: described indoor heat exchanger (3) adopts water-cooled heat exchanger, or adopt air-cooled heat exchanger, or adopt the heat exchange port taking air, water, solution as heat transferring medium.
6. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1, it is characterized in that: described the first expansion valve (4) and the second expansion valve (502) adopt electric expansion valve, or the combination of employing heating power expansion valve and magnetic valve
Or the combination of employing capillary, restriction sleeve and magnetic valve, or adopt hand valve.
7. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1, it is characterized in that: described spray-type heat exchanger (501) adopts pipe heat exchanger or plate type heat exchanger, at the in-built filler that increases heat exchange area that is useful on of heat exchanger.
8. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1, is characterized in that: described finned heat exchanger (503) adopts fin-tube type heat exchanger or plate-fin heat exchanger.
9. a kind of solution spraying formula Frostless air-source heat pump device according to claim 1, is characterized in that: the mixture of one or more in solution employing water, calcium chloride solution, sodium chloride solution, lithium-bromide solution, lithium chloride solution, ethylene glycol solution and triethylene glycol solution in described liquid storage tank (505).
CN201410208575.2A 2014-05-16 2014-05-16 A kind of solution spraying formula Frostless air-source heat pump device Active CN103940164B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728982A (en) * 2015-04-13 2015-06-24 鲍家邻 Energy-saving central air conditioning system of household wind energy tower heat pump
CN106257160A (en) * 2016-07-27 2016-12-28 江苏大学 A kind of Frostless air-source heat pump system based on solid absorption technology
CN106322810A (en) * 2016-09-27 2017-01-11 东南大学 Frostless air source heat pump system based on humidity adjustment and evaporative cooling
CN108266832A (en) * 2018-02-06 2018-07-10 贵州电网有限责任公司 A kind of compound outdoor heat exchange device of solution-type antifrost
CN108332307A (en) * 2018-02-06 2018-07-27 贵州电网有限责任公司 A kind of scalable outdoor heat exchange device of solution-type antifrost
CN109780757A (en) * 2019-01-03 2019-05-21 大连理工大学 It is a kind of to press down white heat exchanger certainly using condensability substance
CN107606843B (en) * 2017-08-18 2019-11-05 浙江海洋大学 A kind of Novel frost-free refrigerator-freezer refrigerating plant with solution dehumidification
CN111397240A (en) * 2020-03-27 2020-07-10 常州大学 Cooperative control and synchronous multi-cycle heat pump type air conditioner composite system
CN111550950A (en) * 2020-05-18 2020-08-18 南京工程学院 Solution spraying defrosting air source heat pump and ice source heat pump coupling system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010078193A (en) * 2008-09-25 2010-04-08 Hachiyo Engneering Kk Desiccant air conditioning device
CN202254029U (en) * 2011-03-29 2012-05-30 清华大学 Solution spray type heat pump unit
CN103438613A (en) * 2013-09-02 2013-12-11 东南大学 Compound integrated heat source tower heat pump device
CN103574967A (en) * 2012-08-06 2014-02-12 广州市华德工业有限公司 Air conditioning heat pump unit with antifreezing solution regenerative apparatus
CN103574801A (en) * 2012-08-06 2014-02-12 广州市华德工业有限公司 Anti-freezing solution regenerating device for air-conditioning system
CN203837360U (en) * 2014-05-16 2014-09-17 清华大学 Solution-spraying-type frostless air source heat pump device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010078193A (en) * 2008-09-25 2010-04-08 Hachiyo Engneering Kk Desiccant air conditioning device
CN202254029U (en) * 2011-03-29 2012-05-30 清华大学 Solution spray type heat pump unit
CN103574967A (en) * 2012-08-06 2014-02-12 广州市华德工业有限公司 Air conditioning heat pump unit with antifreezing solution regenerative apparatus
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