CN205641658U - High -efficient wind water -cooled generator group in two sources - Google Patents
High -efficient wind water -cooled generator group in two sources Download PDFInfo
- Publication number
- CN205641658U CN205641658U CN201620350583.5U CN201620350583U CN205641658U CN 205641658 U CN205641658 U CN 205641658U CN 201620350583 U CN201620350583 U CN 201620350583U CN 205641658 U CN205641658 U CN 205641658U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pipeline
- air
- valve
- liquid reservoir
- 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 - Fee Related
Links
Abstract
The utility model discloses a high -efficient wind water -cooled generator group in two sources, belong to air conditioning equipment technical field, its technical essential includes interconnect's compressor and vapour and liquid separator, and the compressor has air -cooled finned heat exchanger and use side heat exchanger through a four -way reversing valve tube coupling, and the tube coupling has cistern and thermostatic expansion valve between air -cooled finned heat exchanger and use side heat exchanger, wherein a four -way reversing valve is connected with the water -cooling unit, and water -cooling unit tube coupling cistern is equipped with the first check valve that switches on water -cooling unit to cistern on the pipeline between water -cooling unit and the cistern, is equipped with on the pipeline between air -cooled finned heat exchanger and cistern to switch on the second check valve of air -cooled finned heat exchanger to the cistern, the utility model aims at providing a nimble convenient and energy -conserving respond well high -efficient wind water -cooled generator group in two sources of rational in infrastructure, use, be used for the refrigeration or heat.
Description
Technical field
This utility model relates to a kind of air-to-water heat pump, more specifically, particularly relates to a kind of double source high efficiency air water chiller.
Background technology
Traditional air-to-water heat pump Energy Efficiency Ratio when cooling in summer can only achieve between 2.5～3.2, but water source heat pump units Energy Efficiency Ratio when cooling in summer reaches between 4.0～4.6, and for refrigeration, water resource heat pump is more energy-conservation than air-to-water heat pump；But for winter is heated, there is serious deficiency in water resource heat pump, heat exchange can not be carried out with cooling tower and air when winter conditions temperature is relatively low, when ambient temperature is less than 0 degree, water can freeze freezing unit, want winter to provide thermal source by other thermal source in cooling tower during heating, so energy-saving effect is bad, and during ultralow temperature, machine can not use.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of rational in infrastructure, flexible and convenient to use and double source high efficiency air water chiller that energy-saving effect is good.
The technical solution of the utility model is achieved in that a kind of double source high efficiency air water chiller, including interconnective compressor and gas-liquid separator, compressor is connected by the first four-way change-over valve pipeline to be had air-cooled finned heat exchanger and uses side heat exchanger, between air-cooled finned heat exchanger and use side heat exchanger, pipeline connects liquid reservoir and heating power expansion valve, wherein said first four-way change-over valve connects water cooling unit, water cooling unit pipeline connects liquid reservoir, pipeline between water cooling unit and liquid reservoir is provided with conducting water cooling unit to the first check valve of liquid reservoir, it is provided with on pipeline between air-cooled finned heat exchanger and liquid reservoir and turns on air-cooled finned heat exchanger to the second check valve of liquid reservoir；Being provided with conducting on the pipeline using between side heat exchanger and liquid reservoir uses side heat exchanger to the 3rd check valve of liquid reservoir, and the two ends of the 3rd check valve are connected on two lateral lines of heating power expansion valve by connecting tube.
In above-mentioned double source high efficiency air water chiller, cooling tower that described water cooling unit is connected with cooling tower heat exchange manifold by cooling tower heat exchanger and the water pump being arranged between cooling tower outlet and cooling tower heat exchanger form；Described cooling tower heat exchanger is arranged on the pipeline between the first four-way change-over valve and the first check valve.
In above-mentioned double source high efficiency air water chiller, the pipeline between described first four-way change-over valve and air-cooled finned heat exchanger and use side heat exchanger is provided with the second four-way change-over valve；When unit freezes, side heat exchanger is used to be connected with gas-liquid separator pipeline by the second four-way change-over valve；When heating, air-cooled finned heat exchanger is connected with gas-liquid separator pipeline by the second four-way change-over valve.
In above-mentioned double source high efficiency air water chiller, the pipeline between described air-cooled finned heat exchanger and liquid reservoir is provided with economizer, on second check valve pipeline between economizer and air-cooled finned heat exchanger.
In above-mentioned double source high efficiency air water chiller, the pipeline between described economizer and air-cooled finned heat exchanger is provided with electric expansion valve, and the second check valve and electric expansion valve are connected in parallel between economizer and air-cooled finned heat exchanger.
In above-mentioned double source high efficiency air water chiller, it is connected between described liquid reservoir and economizer and has low-temperature enthalpy-increasing pipeline, this low-temperature enthalpy-increasing pipeline be provided with increasing enthalpy electromagnetic valve and increase enthalpy heating power expansion valve, being connected between economizer with compressor and have low-temperature enthalpy-increasing return duct.
In above-mentioned double source high efficiency air water chiller, the pipeline between described liquid reservoir and heating power expansion valve is provided with throttle solenoid valve.
This utility model uses after said structure, compared with prior art, has a following advantage:
(1) on the basis of existing air-to-water heat pump, increasing water cooling unit, use when cooling in summer water-cooling pattern can obtain higher Energy Efficiency Ratio, Energy Efficiency Ratio reaches between 4.0～4.6, more energy efficient.Winter conditions temperature need not auxiliary thermal source time relatively low, utilizes air-cooled heating, not only stable and efficiency but also than water resource heat pump normal heat much higher.
(2) combine low-temperature enthalpy-increasing technology to use, add economizer and check valve assembly, make unit also can normally heat at subzero 25 DEG C, significantly widened the use ambient temperature of-7～43 DEG C of former air-conditioning, normally can use under-25～50 DEG C of ambient temperatures.
(3) two four-way change-over valves are used, it is ensured that when freezing or heat, idle heat exchanger is in low pressure side, and coolant injection is better balanced.
(4) use double throttle mode, throttle with heating power expansion valve when refrigeration, the throttle style of electric expansion valve when heating, more can improve Energy Efficiency Ratio.
Accompanying drawing explanation
The utility model is described in further detail for embodiment in below in conjunction with the accompanying drawings, but is not intended that any restriction of the present utility model.
Fig. 1 is the structural representation of the air-cooled refrigeration mode of this utility model；
Fig. 2 is the structural representation of this utility model water-cooled refrigeration mode；
Fig. 3 is the structural representation of this utility model heating mode.
In figure: compressor 1, gas-liquid separator the 2, first four-way change-over valve 3, air-cooled finned heat exchanger 4, use side heat exchanger 5, liquid reservoir 6, heating power expansion valve 7, water cooling unit 8, cooling tower heat exchanger 8a, cooling tower 8b, water pump 8c, first check valve the 9, second check valve the 10, the 3rd check valve the 11, second four-way change-over valve 12, economizer 13, electric expansion valve 14, increasing enthalpy electromagnetic valve 15, increasing enthalpy heating power expansion valve 16, throttle solenoid valve 17.
Detailed description of the invention
Refering to shown in Fig. 1 to Fig. 3, a kind of double source high efficiency air water chiller of the present utility model, including interconnective compressor 1 and gas-liquid separator 2, compressor 1 is connected by the first four-way change-over valve 3 pipeline to be had air-cooled finned heat exchanger 4 and uses side heat exchanger 5, between air-cooled finned heat exchanger 4 and use side heat exchanger 5, pipeline connects liquid reservoir 6 and heating power expansion valve 7, preferably, the pipeline between described liquid reservoir 6 and heating power expansion valve 7 is provided with throttle solenoid valve 17.
Described first four-way change-over valve 3 connects water cooling unit 8, water cooling unit 8 pipeline connects liquid reservoir 6, pipeline between water cooling unit 8 and liquid reservoir 6 is provided with the first check valve 9 of conducting water cooling unit 8 to liquid reservoir 6, preferably, described water cooling unit 8 is connected with cooling tower heat exchanger 8a pipeline by cooling tower heat exchanger 8a cooling tower 8b and the water pump 8c being arranged between cooling tower 8b outlet and cooling tower heat exchanger 8a forms；Described cooling tower heat exchanger 8a is arranged on the pipeline between the first four-way change-over valve 3 and the first check valve 9.The second check valve 10 turning on air-cooled finned heat exchanger 4 to liquid reservoir 6 it is provided with on pipeline between air-cooled finned heat exchanger 4 and liquid reservoir 6；Pipeline between described air-cooled finned heat exchanger 4 and liquid reservoir 6 is provided with economizer 13, on second check valve 10 pipeline between economizer 13 and air-cooled finned heat exchanger 4.Pipeline between described economizer 13 and air-cooled finned heat exchanger 4 is provided with electric expansion valve 14, and the second check valve 10 and electric expansion valve 14 are connected in parallel between economizer 13 and air-cooled finned heat exchanger 4.
It is connected between described liquid reservoir 6 and economizer 13 and has low-temperature enthalpy-increasing pipeline, this low-temperature enthalpy-increasing pipeline be provided with increasing enthalpy electromagnetic valve 15 and increase enthalpy heating power expansion valve 16, being connected between economizer 13 with compressor 1 and have low-temperature enthalpy-increasing return duct.
Being provided with conducting on the pipeline using between side heat exchanger 5 and liquid reservoir 6 and use the 3rd check valve 11 of side heat exchanger 5 to liquid reservoir 6, the two ends of the 3rd check valve 11 are connected on two lateral lines of heating power expansion valve 7 by connecting tube.
Preferably, the pipeline between described first four-way change-over valve 3 and air-cooled finned heat exchanger 4 and use side heat exchanger 5 is provided with the second four-way change-over valve 12；When unit freezes, side heat exchanger 5 is used to be connected with gas-liquid separator 2 pipeline by the second four-way change-over valve 12；When heating, air-cooled finned heat exchanger 4 is connected with gas-liquid separator 2 pipeline by the second four-way change-over valve 12.
nullRefering to shown in Fig. 1，When unit uses air-cooled refrigeration mode，1 low temperature low pressure gas sucked back of compressor is after the gas that compressor pressure 1 shortens High Temperature High Pressure into，The first four-way change-over valve 3(4WV1 by charged) change back to uncharged second four-way change-over valve 12(4WV2) arrive air cooling fin heat exchanger 4 afterwards and carry out heat exchange with air and exothermic condensation becomes highly pressurised liquid，Because electric expansion valve 14 does not works，Highly pressurised liquid coolant is returned in liquid reservoir 6 by the second check valve 10，First check valve 9 can not pass through and throttle solenoid valve 17 works after opening，The liquid coolant of high pressure becomes low temperature low pressure gas by entering after heating power expansion valve 7 reducing pressure by regulating flow to use in side heat exchanger 5 with absorption heat of vaporization in aqueous medium，Make aqueous medium temperature reduce thus reach the purpose of refrigeration，The gas coolant of low-temp low-pressure is through the second four-way change-over valve 12(4WV2) after return to gas-liquid separator 2 return compressor 1 compression be circulated.
nullRefering to shown in Fig. 2，When unit uses water-cooled refrigeration mode，1 low temperature low pressure gas sucked back of compressor is after the gas that compressor 1 is compressed into High Temperature High Pressure，By uncharged first four-way change-over valve 3(4WV1) do not change that the aqueous medium back to cooling tower heat exchanger 8a and cooling tower 8b carries out heat exchange and exothermic condensation becomes highly pressurised liquid，Highly pressurised liquid coolant is returned in liquid reservoir 6 by the first check valve 9，Because the second check valve 10 and the 3rd check valve 11 opposite direction can not be passed through，Increase enthalpy electromagnetic valve 15 and electric expansion valve 14 does not works，Throttle solenoid valve 17 works，So highly pressurised liquid coolant can only use in side heat exchanger 5 and in aqueous medium, absorption heat of vaporization becomes low temperature low pressure gas by entering after throttle solenoid valve 17 and heating power expansion valve 7 reducing pressure by regulating flow，Make aqueous medium temperature reduce thus reach the purpose of refrigeration，The gas coolant of low-temp low-pressure is through the second four-way change-over valve 12(4WV2) after return to gas-liquid separator 2 return compressor 1 compression be circulated.
nullRefering to shown in Fig. 3，When unit uses heating mode，1 low temperature low pressure gas sucked back of compressor is after the gas that compressor 1 is compressed into High Temperature High Pressure，The first four-way change-over valve 3(4WV1 by charged) arrive the second charged four-way change-over valve 12(4WV2 again after commutation) change after arrive use side heat exchanger 5，In using side heat exchanger 5 with aqueous medium carries out heat exchange and exothermic condensation becomes highly pressurised liquid，Can not pass through because throttle solenoid valve 17 does not work，3rd check valve 11 positive direction liquid coolant can be by returning in liquid reservoir 6，After liquid reservoir 6 out rear major part coolant electric expansion valve 14 reducing pressure by regulating flow by economizer 13 and work，After arrival air cooling fin heat exchanger 4 and air carry out heat exchange and absorb the heat of air, liquid coolant evaporates the gas becoming low-temp low-pressure，By the second four-way change-over valve 12(4WV2) after return to gas-liquid separator 2 return compressor 1 compression be circulated.Separately by the increasing enthalpy electromagnetic valve 15 of live line work and increase after enthalpy heating power expansion valve 16 throttles from liquid reservoir 6 fraction coolant out, in economizer 13, absorb the heat of major part liquid coolant and evaporate and become gas, it is returned directly to the increasing enthalpy mouth of compressor 1, reach the purpose of low-temperature enthalpy-increasing, make unit also can normally heat at subzero 20 DEG C.
Following table is unit component working state table:
| Mode of operation | Air-cooled refrigeration mode | Water-cooled refrigeration mode | Heating mode |
| Compressor | ON | ON | ON |
| First four-way change-over valve (4WV1) | ON | OFF | ON |
| Second four-way change-over valve (4WV2) | OFF | OFF | ON |
| Cooling tower heat exchanger | OFF | ON | OFF |
| Air cooling fin heat exchanger | ON | OFF | ON |
| Electric expansion valve | OFF | OFF | ON |
| Increase enthalpy electromagnetic valve | OFF | OFF | ON |
| Throttle solenoid valve | ON | ON | OFF |
| Heating power expansion valve | ON | ON | OFF |
| Use side heat exchanger | ON | ON | ON |
Embodiment provided above is better embodiment of the present utility model, only it is used for convenient explanation this utility model, not this utility model is made any pro forma restriction, any art has usually intellectual, if in the range of without departing from the carried technical characteristic of this utility model, utilize the Equivalent embodiments that the done local of this utility model disclosed technology content is changed or modified, and without departing from technical characteristic content of the present utility model, all still fall within the range of this utility model technical characteristic.
Claims (7)
- null1. a double source high efficiency air water chiller，Including interconnective compressor (1) and gas-liquid separator (2)，Compressor (1) is connected by the first four-way change-over valve (3) pipeline to be had air-cooled finned heat exchanger (4) and uses side heat exchanger (5)，Between air-cooled finned heat exchanger (4) and use side heat exchanger (5), pipeline connects liquid reservoir (6) and heating power expansion valve (7)，It is characterized in that，Described first four-way change-over valve (3) connects water cooling unit (8)，Water cooling unit (8) pipeline connects liquid reservoir (6)，Pipeline between water cooling unit (8) and liquid reservoir (6) is provided with conducting water cooling unit (8) to first check valve (9) of liquid reservoir (6)，It is provided with on pipeline between air-cooled finned heat exchanger (4) and liquid reservoir (6) and turns on air-cooled finned heat exchanger (4) to second check valve (10) of liquid reservoir (6)；Being provided with conducting on the pipeline using between side heat exchanger (5) and liquid reservoir (6) uses side heat exchanger (5) to the 3rd check valve (11) of liquid reservoir (6), and the two ends of the 3rd check valve (11) are connected on two lateral lines of heating power expansion valve (7) by connecting tube.
- Double source high efficiency air water chiller the most according to claim 1, it is characterized in that, cooling tower (8b) that described water cooling unit (8) is connected with cooling tower heat exchanger (8a) pipeline by cooling tower heat exchanger (8a) and the water pump (8c) being arranged between cooling tower (8b) outlet and cooling tower heat exchanger (8a) form；Described cooling tower heat exchanger (8a) is arranged on the pipeline between the first four-way change-over valve (3) and the first check valve (9).
- Double source high efficiency air water chiller the most according to claim 1, it is characterised in that the pipeline between described first four-way change-over valve (3) and air-cooled finned heat exchanger (4) and use side heat exchanger (5) is provided with the second four-way change-over valve (12)；When unit freezes, side heat exchanger (5) is used to be connected with gas-liquid separator (2) pipeline by the second four-way change-over valve (12)；When heating, air-cooled finned heat exchanger (4) is connected with gas-liquid separator (2) pipeline by the second four-way change-over valve (12).
- Double source high efficiency air water chiller the most according to claim 1, it is characterized in that, pipeline between described air-cooled finned heat exchanger (4) and liquid reservoir (6) is provided with economizer (13), and the second check valve (10) is positioned on the pipeline between economizer (13) and air-cooled finned heat exchanger (4).
- Double source high efficiency air water chiller the most according to claim 4, it is characterized in that, pipeline between described economizer (13) and air-cooled finned heat exchanger (4) is provided with electric expansion valve (14), the second check valve (10) and electric expansion valve (14) and is connected in parallel between economizer (13) and air-cooled finned heat exchanger (4).
- Double source high efficiency air water chiller the most according to claim 4, it is characterized in that, it is connected between described liquid reservoir (6) with economizer (13) and has low-temperature enthalpy-increasing pipeline, this low-temperature enthalpy-increasing pipeline it is provided with increasing enthalpy electromagnetic valve (15) and increases enthalpy heating power expansion valve (16), being connected between economizer (13) with compressor (1) and have low-temperature enthalpy-increasing return duct.
- Double source high efficiency air water chiller the most according to claim 1, it is characterised in that the pipeline between described liquid reservoir (6) and heating power expansion valve (7) is provided with throttle solenoid valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350583.5U CN205641658U (en) | 2016-04-25 | 2016-04-25 | High -efficient wind water -cooled generator group in two sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350583.5U CN205641658U (en) | 2016-04-25 | 2016-04-25 | High -efficient wind water -cooled generator group in two sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205641658U true CN205641658U (en) | 2016-10-12 |
Family
ID=57063403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620350583.5U Expired - Fee Related CN205641658U (en) | 2016-04-25 | 2016-04-25 | High -efficient wind water -cooled generator group in two sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205641658U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162604A (en) * | 2018-10-21 | 2019-01-08 | 倪秀英 | A kind of water-cooled fire-fighting fire-proof door |
| CN113418317A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Ejection evaporation cooling type air-cooled heat pump unit |
| CN113418313A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Injection evaporative cooling air-cooled heat pump module unit |
| CN113418312A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Ejection enthalpy-increasing evaporation cooling type air-cooled heat pump unit |
| CN113418315A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Integrated water cooling air cooling heat pump module unit and multi-source system |
| CN113418319A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Integrated water cooling air cooling heat pump module unit and multi-source system |
| CN113531939A (en) * | 2021-06-08 | 2021-10-22 | 瀚润联合高科技发展（北京）有限公司 | Multisource cold and hot water module unit |
| CN113531940A (en) * | 2021-06-08 | 2021-10-22 | 瀚润联合高科技发展（北京）有限公司 | Injection enthalpy-increasing multi-source cold and hot water pump module unit |
-
2016
- 2016-04-25 CN CN201620350583.5U patent/CN205641658U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162604A (en) * | 2018-10-21 | 2019-01-08 | 倪秀英 | A kind of water-cooled fire-fighting fire-proof door |
| CN113418317A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Ejection evaporation cooling type air-cooled heat pump unit |
| CN113418313A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Injection evaporative cooling air-cooled heat pump module unit |
| CN113418312A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Ejection enthalpy-increasing evaporation cooling type air-cooled heat pump unit |
| CN113418315A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Integrated water cooling air cooling heat pump module unit and multi-source system |
| CN113418319A (en) * | 2021-06-08 | 2021-09-21 | 瀚润联合高科技发展（北京）有限公司 | Integrated water cooling air cooling heat pump module unit and multi-source system |
| CN113531939A (en) * | 2021-06-08 | 2021-10-22 | 瀚润联合高科技发展（北京）有限公司 | Multisource cold and hot water module unit |
| CN113531940A (en) * | 2021-06-08 | 2021-10-22 | 瀚润联合高科技发展（北京）有限公司 | Injection enthalpy-increasing multi-source cold and hot water pump module unit |
| CN113418315B (en) * | 2021-06-08 | 2023-10-27 | 瀚润联合高科技发展（北京）有限公司 | Integrated water cooling air-cooled heat pump module unit and multi-source system |
| CN113531940B (en) * | 2021-06-08 | 2023-10-27 | 瀚润联合高科技发展（北京）有限公司 | Injection enthalpy-increasing multi-source cold and hot water pump module unit |
| CN113418319B (en) * | 2021-06-08 | 2023-10-27 | 瀚润联合高科技发展（北京）有限公司 | Integrated water cooling air-cooled heat pump module unit and multi-source system |
| CN113531939B (en) * | 2021-06-08 | 2023-10-27 | 瀚润联合高科技发展（北京）有限公司 | Multi-source cold and hot water module unit |
| CN113418312B (en) * | 2021-06-08 | 2023-10-27 | 瀚润联合高科技发展（北京）有限公司 | Injection enthalpy-increasing evaporative cooling type air-cooled heat pump unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205641658U (en) | High -efficient wind water -cooled generator group in two sources | |
| CN203687243U (en) | Cooling-tower free cooling and refrigerant direct expansion air conditioning unit | |
| CN102777990B (en) | Air conditioning unit system of water source heat pump in reservoir for underground hydropower station | |
| CN101216225A (en) | Double temperature cold water/cold air unit | |
| CN201363859Y (en) | Air conditioning unit | |
| CN205641659U (en) | High -efficient heat pump set system in two sources of ultra -low temperature | |
| CN203586629U (en) | Air source heat pump air conditioning unit with multiple switchable heat exchangers | |
| CN105135739A (en) | Multifunctional heat pump type evaporative condensing air-conditioning unit | |
| CN212274158U (en) | Double-cold-source water chilling unit refrigerating system based on indirect evaporative cooling technology | |
| CN110454897A (en) | A kind of evaporation cooling-solar energy absorption type refrigeration air-conditioning system | |
| CN201621798U (en) | Cold and hot water machine set with combined evaporative type cold water machine set and air cooling heat pump cold and hot water machine set | |
| CN102628626A (en) | Air conditioning dehumidification evaporative type condensation three-work-condition cold and hot water unit | |
| CN112146301B (en) | Evaporative cold screw cold and hot water unit with total heat recovery | |
| CN102829519B (en) | Dehumidifying unit of double cold source all fresh air heat pump provided with cold carrying heat exchanger | |
| CN202562130U (en) | Air conditioner dehumidification evaporative condensation three-working-condition cold-and-hot water unit | |
| CN103206814A (en) | Supercooling device for magnetic suspension refrigerating system with natural cold source | |
| CN203837330U (en) | CO2 heat pump heat exchange enthalpy increase device | |
| CN203595316U (en) | Screw rod type total heat recovery air-cooled heat pump air conditioning unit | |
| CN203501363U (en) | Double-effect heat pump air conditioning unit | |
| CN203216165U (en) | Supercooling device applied to natural cold source magnetic levitation refrigerating system | |
| CN102620474B (en) | Air conditioner cold-hot water unit with antifreeze solution regenerated heat recovery device | |
| CN213687346U (en) | Evaporation cold and hot pump unit | |
| CN101576297B (en) | Big supercooling degree completely fresh air air processing machine set | |
| CN204494910U (en) | A kind of wind source heat pump unit | |
| CN110285572B (en) | Air-supplying and enthalpy-increasing double-source heat pump water heater system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20200425 |