CN203837360U - Solution-spraying-type frostless air source heat pump device - Google Patents
Solution-spraying-type frostless air source heat pump device Download PDFInfo
- Publication number
- CN203837360U CN203837360U CN201420252864.8U CN201420252864U CN203837360U CN 203837360 U CN203837360 U CN 203837360U CN 201420252864 U CN201420252864 U CN 201420252864U CN 203837360 U CN203837360 U CN 203837360U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- air
- valve
- expansion valve
- spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000003507 refrigerant Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 abstract description 21
- 238000011069 regeneration method Methods 0.000 abstract description 21
- 238000005057 refrigeration Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 description 17
- 230000005494 condensation Effects 0.000 description 17
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229940059936 lithium bromide Drugs 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a solution-spraying-type frostless air source heat pump device, and belongs to the field of the heat pump technology and refrigeration air conditioners. The system comprises a compressor, a four-way valve, an indoor heat exchanger, a first expansion valve, an outdoor heat exchanger unit and a control unit, wherein heat exchangers in the outdoor heat exchanger unit comprise a spraying type heat exchanger, a second expansion valve and a fin type heat exchanger, and outdoor air firstly passes through the spraying type heat exchanger and then passes through the fin type heat exchanger. In the heating process, refrigerants from the first expansion valve sequentially flow through the spraying type heat exchanger, the second expansion valve and the fin-type heat exchanger and go to an air sucking port of the compressor. In the refrigeration process, the refrigerants discharged by the compressor sequentially flow through the fin-type heat exchanger, the second expansion valve and the spraying type heat exchanger and then flow to the first expansion valve. By adjusting the opening state of the first expansion valve and the second expansion valve, the heat pump device has the advantages that in the heating process, the outdoor heat exchanger unit operates in a frostless mode, the heating performance is stable, the regeneration energy consumption is low, and the refrigeration operation performance in summer is improved.
Description
Technical field
The utility model 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.
Utility model content
The purpose of this utility model is on prior art basis, and 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, and is intended to improve reliability, comfortableness and the security of heat supply.
The technical solution of the utility model 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.Long-pending filler.
Described finned heat exchanger adopts fin-tube type heat exchanger or plate-fin heat exchanger.
The utility model 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 utility model 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 utility model 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 utility model 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
Structure, the principle of the solution spraying formula Frostless air-source heat pump device embodiment that Fig. 1 provides for the utility model and heat process workflow journey schematic diagram.
Structure, principle and the regenerative process workflow schematic diagram of the solution spraying formula Frostless air-source heat pump device embodiment that Fig. 2 provides for the utility model.
Structure, principle and the process of refrigerastion workflow schematic diagram of the solution spraying formula Frostless air-source heat pump device embodiment that Fig. 3 provides for the utility model.
Structure, the principle of the circulating solution spraying Frostless air-source heat pump device embodiment that Fig. 4 provides for the utility model and heat process workflow journey schematic diagram.
Structure, principle and the regenerative process workflow schematic diagram of the circulating solution spraying Frostless air-source heat pump device embodiment that Fig. 5 provides for the utility model.
Structure, principle and the process of refrigerastion workflow schematic diagram of the circulating solution spraying Frostless air-source heat pump device embodiment that Fig. 6 provides for the utility model.
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 utility model, principle and the course of work are described further.
Referring to Fig. 1, the utility model 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.
Refrigerant line one end of spray-type heat exchanger 501 of the present utility model 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 utility model 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 utility model 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 utility model 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 utility model, 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model.
Outdoor heat exchange machine unit shell 512 of the present utility model 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
The utility model solution spraying formula Frostless air-source heat pump 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 utility model 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 (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252864.8U CN203837360U (en) | 2014-05-16 | 2014-05-16 | Solution-spraying-type frostless air source heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252864.8U CN203837360U (en) | 2014-05-16 | 2014-05-16 | Solution-spraying-type frostless air source heat pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203837360U true CN203837360U (en) | 2014-09-17 |
Family
ID=51515187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252864.8U Expired - Lifetime CN203837360U (en) | 2014-05-16 | 2014-05-16 | Solution-spraying-type frostless air source heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203837360U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940164A (en) * | 2014-05-16 | 2014-07-23 | 清华大学 | Solution spraying type frostless air source heat pump device |
| CN109341121A (en) * | 2018-11-16 | 2019-02-15 | 珠海格力电器股份有限公司 | A kind of refrigeration system and control method |
| CN111780348A (en) * | 2020-06-23 | 2020-10-16 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting method, defrosting control device and air conditioner |
| CN112066624A (en) * | 2020-09-16 | 2020-12-11 | 珠海格力电器股份有限公司 | Evaporator defrosting system, refrigeration equipment, defrosting control method and device |
-
2014
- 2014-05-16 CN CN201420252864.8U patent/CN203837360U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940164A (en) * | 2014-05-16 | 2014-07-23 | 清华大学 | Solution spraying type frostless air source heat pump device |
| CN109341121A (en) * | 2018-11-16 | 2019-02-15 | 珠海格力电器股份有限公司 | A kind of refrigeration system and control method |
| CN111780348A (en) * | 2020-06-23 | 2020-10-16 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting method, defrosting control device and air conditioner |
| CN111780348B (en) * | 2020-06-23 | 2022-02-01 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting method, defrosting control device and air conditioner |
| CN112066624A (en) * | 2020-09-16 | 2020-12-11 | 珠海格力电器股份有限公司 | Evaporator defrosting system, refrigeration equipment, defrosting control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103940164B (en) | A kind of solution spraying formula Frostless air-source heat pump device | |
| CN101240925B (en) | Solar energy absorption type liquid dehumidifying air-conditioning system | |
| CN103017332B (en) | Heat-accumulating and dehumidifying coupled frostless air source heat pump water heater | |
| CN103868171A (en) | Direct-expansion solution-dehumidification central ventilation system of heat pump | |
| CN103953992A (en) | Low temperature resistant fuel gas heat pump air-conditioning system combiningwaste heat recovery mode and liquid dehumidification mode | |
| CN112728658B (en) | Rotary dehumidifier | |
| CN203837360U (en) | Solution-spraying-type frostless air source heat pump device | |
| CN102538087A (en) | Solution humidifying all-air unit with total-heat recovering device and solution humidifying method | |
| CN104713266A (en) | Heat pump type cold and heat source unit capable of achieving frost-free and evaporative cooling | |
| CN202452608U (en) | Solution-humidity-regulating all-air unit with total-heat recovery device | |
| CN104235973A (en) | Rotating wheel energy recovery type solution dehumidification air-conditioning system | |
| CN101122406B (en) | Small central air conditioner set for separate processing for heat and humidity | |
| CN103423815B (en) | A kind of Solution-assistant energy-storage domestic air conditioner | |
| CN108679871A (en) | A kind of tube-sheet type Frostless air-source heat pump system | |
| CN201016499Y (en) | Solar energy stepping utilization type air-conditioning system | |
| CN204153887U (en) | A kind of runner energy recovery type solution dehumidifying air-conditioning system | |
| CN206269310U (en) | The energy recovery type big enthalpy difference accumulation of energy Fresh air handling units of double low-temperature receivers | |
| CN204513626U (en) | A kind of thermostatic type solution dehumidification regeneration cycle system | |
| CN103398430A (en) | Heat-pump-type fresh air handing unit for waste heat recovery | |
| CN203810609U (en) | Temperature and humidity independent control based ground source heat pump air conditioning system | |
| CN102410675A (en) | Over-cooling device and over-cooling method for evaporative condensation type refrigeration system | |
| CN202902508U (en) | Anti-freezing solution regeneration device for air conditioner system | |
| CN202328942U (en) | Supercooling device for evaporative condensate type refrigeration system and method thereof | |
| CN202648010U (en) | Combined type heat pump low temperature regenerative rotary wheel dehumidification total heat recovery fresh air unit | |
| CN203421778U (en) | Solution assisting energy storing home-used air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |