CN203824009U - Fresh air ventilator capable of recycling condensation heat - Google Patents
Fresh air ventilator capable of recycling condensation heat Download PDFInfo
- Publication number
- CN203824009U CN203824009U CN201420260505.7U CN201420260505U CN203824009U CN 203824009 U CN203824009 U CN 203824009U CN 201420260505 U CN201420260505 U CN 201420260505U CN 203824009 U CN203824009 U CN 203824009U
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- heat exchanger
- air
- terminal
- valve
- fresh air
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- Expired - Lifetime
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- 238000009833 condensation Methods 0.000 title claims abstract description 31
- 230000005494 condensation Effects 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 239000003507 refrigerant Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a fresh air ventilator capable of recycling condensation heat, which comprises a heat recovery device, an air supply terminal and an air exhaust terminal, wherein the heat recovery device comprises a compressor, a four-way valve, an outdoor heat exchanger, a first one-way valve, a first expansion valve, a liquid storage device, a drying filter, a second one-way valve, a second expansion valve, an indoor heat exchanger and a gas-liquid separator; a centrifugal air feeder is arranged at the upstream of the inner circulating space of the air supply terminal; the indoor heat exchanger is arranged at the downstream of the inner circulating space of the air supply terminal; the outdoor heat exchanger is arranged at the upstream of the inner circulating space of the air exhaust terminal; a centrifugal exhaust blower is arranged at the downstream of the inner circulating space of the air exhaust terminal. The fresh air ventilator capable of recycling condensation heat is simple and reasonable in structure, and a condenser (evaporator) is designed in an exhaust channel, so that the cold or heat in the exhaust air is recycled, the recycled cold or heat is absorbed through refrigerating cycle and then is used in fresh air treatment, the heat recovery efficiency is high, the energy conservation and environment protection are achieved, the mounting and maintenance are convenient and fast, and the fresh air ventilator is widely used.
Description
Technical field
The utility model relates to field of refrigeration, particularly a kind of condensation heat-recovery fresh air ventilator.
Background technology
Along with being on the increase of the high complex that can not open a window of sealing, can make fresh air introduce and can process also and like never before be paid attention to, people are in the urgent need to comfortable, healthy environment.
If simple, to introducing new wind in building, the relatively muddy air in building the inside is drained, although be that people is met fresh air like this, but the cold or thermal energy in air draft is not recycled, causing the energy is a kind of great waste.
The information that is disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Utility model content
It is a kind of simple and reasonable that the purpose of this utility model is to provide, and heat recovery efficiency is high, and installation and maintenance are convenient, widely applicable condensation heat-recovery fresh air ventilator.
For achieving the above object, the utility model provides condensation heat-recovery fresh air ventilator, comprise: heat reclamation device, comprising: compressor, cross valve, outdoor heat exchanger, the first check valve, the first expansion valve, reservoir, device for drying and filtering, the second check valve, the second expansion valve, indoor heat exchanger and gas-liquid separator; One end of described outdoor heat exchanger is connected with the output of compressor by cross valve respectively with one end of indoor heat exchanger, the other end of described outdoor heat exchanger is connected with the other end of indoor heat exchanger by the first check valve, reservoir, device for drying and filtering, the second expansion valve, described the first expansion valve is in parallel with the first check valve, described the second check valve is in parallel with the second expansion valve, the input of described gas-liquid separator is connected with cross valve, and its output is connected with the input of compressor; Supply air terminal, its upstream, internal circulation space is laid with centrifugal blower, and described indoor heat exchanger is laid in the downstream, internal circulation space of supply air terminal; And air draft terminal, its upstream, internal circulation space is laid with outdoor heat exchanger, and downstream is laid with centrifugal exhaust blower.
Preferably, in technique scheme, compressor, cross valve, outdoor heat exchanger, the first check valve, reservoir, device for drying and filtering, the second expansion valve, indoor heat exchanger and gas-liquid separator are connected to form Crew Cooling System; Described compressor, cross valve, indoor heat exchanger, the second check valve, device for drying and filtering, reservoir, the first expansion valve, outdoor heat exchanger and gas-liquid separator are connected to form unit heating.
Preferably, in technique scheme, the two ends of supply air terminal have respectively fresh wind port and air outlet, are also laid with new wind screen pack between described centrifugal blower and fresh wind port.
Preferably, in technique scheme, the two ends of air draft terminal have respectively return air inlet and exhaust outlet, between described centrifugal exhaust blower and return air inlet, are also laid with return air screen pack.
Preferably, in technique scheme, centrifugal blower has with the internal circulation spatial placement between indoor heat exchanger the overfall being communicated with air draft terminal.
Compared with prior art, the utlity model has following beneficial effect: this condensation heat-recovery fresh air ventilator is simple and reasonable, by condenser (evaporimeter) is designed in air exhaust passage, cold or heat in air draft is reclaimed, the colder or Btu utilization of recovery being come by kind of refrigeration cycle absorbs, use in the air-treatment of new wind, heat recovery efficiency is high, energy-conserving and environment-protective, installation and maintenance are convenient, widely applicable.
Accompanying drawing explanation
Fig. 1 is the structural representation of condensation heat-recovery fresh air ventilator of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of the specific embodiment.
Unless separately there is other clearly to represent, otherwise in whole description and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or part, and do not get rid of other element or other part.
As shown in Figure 1, according to the concrete structure of the condensation heat-recovery fresh air ventilator of the utility model specific embodiment, comprise: heat reclamation device, and supply air terminal and air draft terminal, wherein, the outdoor heat exchanger of heat reclamation device is arranged in air draft terminal, the indoor heat exchanger of heat reclamation device is arranged in supply air terminal, cold or heat in air draft is reclaimed, cold or the Btu utilization of by kind of refrigeration cycle, recovery being come again absorbs, use in the air-treatment of new wind, heat recovery efficiency is high, energy-conserving and environment-protective, installation and maintenance are convenient, widely applicable.
Wherein, heat reclamation device comprises: compressor 1, cross valve 2, outdoor heat exchanger 3, the first check valve 4, the first expansion valve 5, reservoir 6, device for drying and filtering 7, the second check valve 8, the second expansion valve 9, indoor heat exchanger 10 and gas-liquid separator 11.One end of one end of outdoor heat exchanger 3 and indoor heat exchanger 10 is connected with the output of compressor 1 by cross valve 2 respectively, the other end of outdoor heat exchanger 3 is connected with the other end of indoor heat exchanger 10 by the first check valve 4, reservoir 6, device for drying and filtering 7, the second expansion valve 9, the first expansion valve 5 is in parallel with the first check valve 4, the second check valve 8 is in parallel with the second expansion valve 9, the input of gas-liquid separator 11 is connected with cross valve 2, and output is connected with the input of compressor 1.Wherein, compressor 1, cross valve 2, outdoor heat exchanger 3, the first check valve 4, reservoir 6, device for drying and filtering 7, the second expansion valve 9, indoor heat exchanger 10 are connected to form Crew Cooling System with gas-liquid separator 11, and compressor 1, cross valve 2, indoor heat exchanger 10, the second check valve 8, device for drying and filtering 7, reservoir 6, the first expansion valve 5, outdoor heat exchanger 3 are connected to form unit heating with gas-liquid separator 11.
The two ends of supply air terminal have respectively fresh wind port 17 and air outlet 18, the upstream, internal circulation space of supply air terminal is laid with centrifugal blower 13, indoor heat exchanger 10 is laid in the downstream, internal circulation space of supply air terminal, between centrifugal blower 13 and fresh wind port 17, be also laid with new wind screen pack 20, centrifugal blower 13 has with the internal circulation spatial placement between indoor heat exchanger 10 overfall 14 being communicated with air draft terminal.The air-supply process of this supply air terminal is: outdoor fresh air sucks new wind through fresh wind port 17, for guaranteeing to send into IAQ, new wind is before processing, need first through new wind screen pack 20, to carry out primarily efficient filter dedusting, new wind after filtration enters centrifugal blower 13 again, wherein 60% air quantity enters indoor heat exchanger 10, this indoor heat exchanger 10 has refrigeration and heats double effects, under refrigeration mode, this coil pipe is evaporimeter, air is freezed and dehumidification treatments, under heating mode, this coil pipe is condenser, and air is carried out to heat treated.Last air is sent into indoor through air outlet 18, completed air-supply process.
The two ends of air draft terminal have respectively return air inlet 15 and exhaust outlet 16, and the upstream, internal circulation space of air draft terminal is laid with outdoor heat exchanger 3, and downstream is laid with centrifugal exhaust blower 12, between centrifugal exhaust blower 12 and return air inlet 15, is also laid with return air screen pack 19.The air draft process of air draft terminal is: indoor return air is inhaled at return air inlet 15, after return air screen pack 19 filters, and 100% air quantity of indoor exhaust wind and introduce 40% new wind air quantity by overfall 14 and mix.Jointly enter outdoor heat exchanger 3 recuperations of heat.Outdoor heat exchanger is the same with indoor heat exchanger is used as condenser while having double action refrigeration, is used as evaporimeter while heating.Turbid air after recuperation of heat completes enters centrifugal exhaust blower 12 again, by exhaust blower, waste gas is discharged through exhaust outlet 16, completes air draft process.
Contrary Carnot cycle principle, its unit refrigeration mode: provide at compressor 1 under the effect of power, refrigerant compression is become to the gas of HTHP are provided this condensation heat-recovery fresh air ventilator.In the effect of cross valve 2 commutation water conservancy diversion, cold-producing medium being switched to outdoor heat exchanger 3 (effect of condenser) entered check valve 4 the energy absorption of air draft process by the liquid of condensation of refrigerant Cheng Zhongwen high pressure and flowed into reservoirs 6, in reservoir by liquid refrigerant with there is no the gas refrigerant of total condensation separated, liquid refrigerant flows into device for drying and filtering 7 removing impurities and moisture completely, the cold-producing medium that filtration completes arrives expansion valve 9, in expansion valve by throttling, the liquid refrigerant of low-temp low-pressure out, cold-producing medium enters indoor heat exchanger 10 (effect of evaporimeter) and is discharged in the fresh air of introducing by air-supply process handle, the gas flow that becomes low-temp low-pressure through heat exchange cold-producing medium is through gas-liquid separator 11, the liquid not evaporating is completely stayed to gas-liquid separator and continue evaporation endothermic, what get back to compressor 1 is the gas of low-temp low-pressure completely.
The unit heat pattern of this condensation heat-recovery fresh air ventilator: provide at compressor 1 under the effect of power, refrigerant compression is become to the gas of HTHP.Effect at cross valve 2 commutation water conservancy diversion is switched to indoor heat exchanger 10 (effect of condenser) new wind is heated by air-supply process by cold-producing medium, the liquid of condensation of refrigerant Cheng Zhongwen high pressure was entered to check valve 8 and flowed into device for drying and filtering 7, reservoir 6, liquid refrigerant arrives expansion valve 5 completely, in expansion valve by throttling, the liquid refrigerant of low-temp low-pressure out, cold-producing medium enters outdoor heat exchanger 3 (effect of evaporimeter) and absorbs air draft energy, the gas flow that becomes low-temp low-pressure through heat exchange cold-producing medium is through gas-liquid separator 11, the liquid not evaporating is completely stayed to gas-liquid separator and continue evaporation endothermic, what get back to compressor 1 is the gas of low-temp low-pressure completely.
This condensation heat-recovery fresh air ventilator adaptive capacity to environment is strong: the scope of application is wide, and unit can efficiently move under the environment of subzero 15 degrees Celsius to 43 degrees Celsius, and supply and exhaust balanced design reduces the load that air-conditioning is born.Cold or heat in air draft is reclaimed, particularly in the winter time time, obviously improve heating performance, reach environmental protection, energy-efficient effect.During cooling condition, utilize indoor return air to carry out condensation summer, significantly reduces the condensation temperature of unit, improves unit operation operating mode, and its coefficient of performance is improved.During winter heating operating mode, utilize return air to substitute outdoor air as thermal source, make refrigerant effectively evaporation in evaporimeter, significantly improve evaporating temperature, improve the whole operating mode of unit operation, make it obtain good Energy Efficiency Ratio.And under conventional temperature, unit does not exist frosting problem, without considering defrosting, improved indoor comfortableness.At transition season in spring and autumn, wind system isolated operation, introduces outdoor fresh air cooling, saves the energy, health environment-friendly.Annual ventilation, no matter season and time period also can comfortable and reasonably be carried out energy-saving operation under the air conditions setting, can also save operating cost greatly.This condensation heat-recovery fresh air ventilator design and engineering are more simplified, and without complicated corollary equipments such as water pipe arrangements, also make design more succinct when having saved equipment cost.
In addition, this condensation heat-recovery fresh air ventilator High Efficiency Thermal reclaims: condenser (evaporimeter) design, in air exhaust passage, is carried out to recuperation of heat to air draft, increased substantially equipment cop value.Same this design can not make yet equipment produce over-heating in summer and winter excessively cold phenomenon, greatly improved the reliability of equipment.Also need not consider that defrosting is except clean, the problem that heating efficiency is low.And the cross pollution of stopping air: condensation exhaust heat recovery total-fresh blower fan is because evaporimeter and condenser are the designs thoroughly separating, thus there is not the cross pollution of bacterium or foul smell, very clean, clean.
Also have, this condensation heat-recovery fresh air ventilator installation, maintenance is convenient: in condensation exhaust heat recovery total-fresh fan house, with outdoor being integrated, without refrigerant pipe, connect, only need to connect airduct and just can efficiently move.Condensation exhaust heat recovery total-fresh blower fan condenser and evaporimeter and refrigerating circuit be designed to can integral structure, it is quite convenient to make to safeguard at ordinary times.
Finally, this condensation heat-recovery fresh air ventilator adopts microcomputer control system accurately to monitor, and with adjustment System running status, automatically adjusts the operation of compressor according to load variations, possesses multiple protection functions.
To sum up, this condensation heat-recovery fresh air ventilator is simple and reasonable, by condenser (evaporimeter) is designed in air exhaust passage, cold or heat in air draft is reclaimed, the colder or Btu utilization of recovery being come by kind of refrigeration cycle absorbs, use in the air-treatment of new wind, heat recovery efficiency is high, energy-conserving and environment-protective, installation and maintenance are convenient, widely applicable.
The aforementioned description to concrete exemplary of the present utility model is for the object with illustration is described.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (5)
1. a condensation heat-recovery fresh air ventilator, is characterized in that, comprising:
Heat reclamation device, comprising: compressor, cross valve, outdoor heat exchanger, the first check valve, the first expansion valve, reservoir, device for drying and filtering, the second check valve, the second expansion valve, indoor heat exchanger and gas-liquid separator; One end of described outdoor heat exchanger is connected with the output of compressor by cross valve respectively with one end of indoor heat exchanger, the other end of described outdoor heat exchanger is connected with the other end of indoor heat exchanger by the first check valve, reservoir, device for drying and filtering, the second expansion valve, described the first expansion valve is in parallel with the first check valve, described the second check valve is in parallel with the second expansion valve, the input of described gas-liquid separator is connected with cross valve, and the output of this gas-liquid separator is connected with the input of compressor;
Supply air terminal, its upstream, internal circulation space is laid with centrifugal blower, and described indoor heat exchanger is laid in the downstream, internal circulation space of supply air terminal; And
Air draft terminal, its upstream, internal circulation space is laid with outdoor heat exchanger, and downstream is laid with centrifugal exhaust blower.
2. condensation heat-recovery fresh air ventilator according to claim 1, it is characterized in that, described compressor, cross valve, outdoor heat exchanger, the first check valve, reservoir, device for drying and filtering, the second expansion valve, indoor heat exchanger and gas-liquid separator are connected to form Crew Cooling System; Described compressor, cross valve, indoor heat exchanger, the second check valve, device for drying and filtering, reservoir, the first expansion valve, outdoor heat exchanger and gas-liquid separator are connected to form unit heating.
3. condensation heat-recovery fresh air ventilator according to claim 1, is characterized in that, the two ends of described supply air terminal have respectively fresh wind port and air outlet, is also laid with new wind screen pack between described centrifugal blower and fresh wind port.
4. condensation heat-recovery fresh air ventilator according to claim 1, is characterized in that, the two ends of described air draft terminal have respectively return air inlet and exhaust outlet, between described centrifugal exhaust blower and return air inlet, is also laid with return air screen pack.
5. according to the condensation heat-recovery fresh air ventilator described in any one in claim 1 to 4, it is characterized in that, described centrifugal blower has with the internal circulation spatial placement between indoor heat exchanger the overfall being communicated with air draft terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260505.7U CN203824009U (en) | 2014-05-20 | 2014-05-20 | Fresh air ventilator capable of recycling condensation heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260505.7U CN203824009U (en) | 2014-05-20 | 2014-05-20 | Fresh air ventilator capable of recycling condensation heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824009U true CN203824009U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420260505.7U Expired - Lifetime CN203824009U (en) | 2014-05-20 | 2014-05-20 | Fresh air ventilator capable of recycling condensation heat |
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| Country | Link |
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| CN (1) | CN203824009U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240971A (en) * | 2015-10-16 | 2016-01-13 | 广东申菱环境***股份有限公司 | Air-conditioner unit special for corridor bridge and control method thereof |
| CN105890070A (en) * | 2016-06-01 | 2016-08-24 | 江苏慧居建筑科技有限公司 | Multi-condenser and double-return-air bypass dehumidification fresh air unit and air conditioning method |
| CN106225297A (en) * | 2016-09-18 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioning system and electric automobile with same |
| CN107036198A (en) * | 2017-03-21 | 2017-08-11 | 李元哲 | Air source heat pump New-air purifying system |
| CN107559956A (en) * | 2017-08-21 | 2018-01-09 | 广东美的暖通设备有限公司 | VMC and its control method |
| CN108332449A (en) * | 2018-02-02 | 2018-07-27 | 珠海格力电器股份有限公司 | Heat pump dehumidification unit and control method thereof |
| CN108895577A (en) * | 2018-05-22 | 2018-11-27 | 北京艾尔绿能科技有限公司 | A kind of new wind devices of Air-source Heat Pump of waste heat recycling |
| CN109661909A (en) * | 2019-01-28 | 2019-04-23 | 四川吉鑫源科技有限公司 | A kind of dedicated cooling system of energy saving integral silo |
| CN111842064A (en) * | 2020-07-08 | 2020-10-30 | 东莞市创明电池技术有限公司 | Lithium battery formation partial volume heat production recycle system |
| CN115289669A (en) * | 2022-08-30 | 2022-11-04 | 南通华信中央空调有限公司 | Concentrated energy recycling system for exhaust source of operation department |
-
2014
- 2014-05-20 CN CN201420260505.7U patent/CN203824009U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240971A (en) * | 2015-10-16 | 2016-01-13 | 广东申菱环境***股份有限公司 | Air-conditioner unit special for corridor bridge and control method thereof |
| CN105890070B (en) * | 2016-06-01 | 2018-09-28 | 江苏慧居建筑科技有限公司 | The dehumidification fresh air group and air conditioning method of more condensers and double back wind bypass |
| CN105890070A (en) * | 2016-06-01 | 2016-08-24 | 江苏慧居建筑科技有限公司 | Multi-condenser and double-return-air bypass dehumidification fresh air unit and air conditioning method |
| CN106225297A (en) * | 2016-09-18 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioning system and electric automobile with same |
| CN107036198A (en) * | 2017-03-21 | 2017-08-11 | 李元哲 | Air source heat pump New-air purifying system |
| CN107559956A (en) * | 2017-08-21 | 2018-01-09 | 广东美的暖通设备有限公司 | VMC and its control method |
| CN107559956B (en) * | 2017-08-21 | 2020-06-30 | 广东美的暖通设备有限公司 | Fresh air system and control method thereof |
| CN108332449A (en) * | 2018-02-02 | 2018-07-27 | 珠海格力电器股份有限公司 | Heat pump dehumidification unit and control method thereof |
| CN108332449B (en) * | 2018-02-02 | 2023-07-21 | 珠海格力电器股份有限公司 | Heat pump dehumidification unit and control method thereof |
| CN108895577A (en) * | 2018-05-22 | 2018-11-27 | 北京艾尔绿能科技有限公司 | A kind of new wind devices of Air-source Heat Pump of waste heat recycling |
| CN109661909A (en) * | 2019-01-28 | 2019-04-23 | 四川吉鑫源科技有限公司 | A kind of dedicated cooling system of energy saving integral silo |
| CN111842064A (en) * | 2020-07-08 | 2020-10-30 | 东莞市创明电池技术有限公司 | Lithium battery formation partial volume heat production recycle system |
| CN115289669A (en) * | 2022-08-30 | 2022-11-04 | 南通华信中央空调有限公司 | Concentrated energy recycling system for exhaust source of operation department |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |