CN104006460A - Household heat pump system - Google Patents
Household heat pump system Download PDFInfo
- Publication number
- CN104006460A CN104006460A CN201410128148.3A CN201410128148A CN104006460A CN 104006460 A CN104006460 A CN 104006460A CN 201410128148 A CN201410128148 A CN 201410128148A CN 104006460 A CN104006460 A CN 104006460A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- outdoor heat
- compressor
- heat pump
- outdoor
- 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.)
- Pending
Links
Abstract
The invention discloses a household heat pump system. According to the household heat pump system, a group of indoor units is installed in each room; an outdoor heat exchanger and at least one compressor are installed outdoors; the compressor and the control component thereof are integrally installed to form an outdoor unit; each indoor unit and the compressor share one outdoor heat exchanger; the outdoor heat exchanger is designed to be a portion of a balcony or other building envelopes. According to the household heat pump system disclosed by the invention, the indoor units, the compressors, control components such as four-way reversing valves, and the outdoor heat exchangers are separately designed, and each indoor unit and the compressor share one outdoor heat exchanger, thus realizing efficient running under a partial load, and meeting the needs of air-conditioning and heating in each room; an auxiliary condenser can also be added as needed for supplying hot water, thus increasing the running efficiency of an air conditioner, the outdoor heat exchanger is designed to be a portion of a balcony or other building envelopes, thus reducing space occupation, and avoiding the breakage or adverse effects of the air conditioner on the appearance of a building.
Description
Technical field
The present invention relates to a kind of family and use and similar applications heat pump, can provide heat supply, air-conditioning, domestic water heating for house, villa, office building etc., is a kind of high-efficient energy-saving environment friendly equipment.
Background technology
Heat pump is a kind of heat engine of contrary periodic duty, only need a small amount of high-grade energy of input just can to hot environment, emit from low temperature environment heat absorptions such as outside airs the heat of several times, there is refrigeration, heat-production functions, being widely used in building construction heating, the air-conditionings etc. such as house, office, is a kind of efficient firing equipment.
Along with the raising of resident living level and the improvement of living conditions, in residential building, need to use the room of air-conditioning often to have several, because multi-connected machine price is high, resident solves air-conditioning and the heating in a plurality of rooms so that many separating air conditioners to be installed at present, thereby brings series of problems.First, many air conditioners are installed need to take up room, and many air-conditionings are installed a place concentratedly and can be affected Air Flow when nervous in space, thereby affects air conditioner efficiency; When being installed on outdoor facade, also greatly affect construction landscape especially, the outer vertical design effect of original building is destroyed completely, affect construction landscape; Secondly, on long terms, there is potential safety hazard in the separating air conditioner that is installed in a large number external wall of high-rise building; Finally, situation about simultaneously using due to many air conditioners is not a lot, when only having single or indivedual space requirement heat supplies or air-conditioning, the heat exchanger of other air-conditioning unit does not participate in work, can not work in coordination with mutually, air conditioner is efficiently moved, and such family is installed the logical separating air conditioner of many Daeporis and is just had the idle waste of device resource, shortcoming that energy efficiency is low.
Summary of the invention
In order to overcome current technical deficiency, the present invention has designed a kind of family and has used and similar applications heat pump, can be house, villa, office building etc. air-conditioning, heat supply, domestic water heating are provided, can realize household metering air conditioning electricity, can meet again the heat supplying air conditioning in a plurality of rooms, family or space, also can save installing space, not affect facade vision perception, and can improve air-conditioning unit operational energy efficiency.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of family heat pump, comprise indoor set, compressor and control assembly thereof and outdoor heat exchanger, described indoor set, compressor and control assembly thereof and outdoor heat exchanger adopt split-type structural, one group of indoor set is respectively installed in each room, in outdoor mounted, there are an outdoor heat exchanger and at least one compressor, described compressor and control assembly integrated installation thereof are in being integrally formed an outdoor unit, each indoor set, compressor shares an outdoor heat exchanger, during heat pump work, control system determines to need compressor and the load condition thereof of startup according to external environment situation and room load situation, each group indoor set is worked for it by more than one or two compressors.
Preferably, described indoor set, compressor and control assembly thereof are distributed in outdoor heat exchanger one side.
Preferably, described indoor set, compressor and control assembly thereof are distributed in outdoor heat exchanger both sides.
Preferably, in this heat pump, increase refrigerant switching solenoid valve, by this refrigerant switching solenoid valve, heat pump is switched between heat rooms and heating domestic water pattern.
Preferably, adjustable blinds is installed in outdoor heat exchanger outside.
Preferably, outdoor heat exchanger and blower fan and building enclosure become one.
Preferably, outdoor heat exchanger and blower fan partial installation layout, outdoor heat exchanger is arranged in building enclosure front, and blower fan is arranged in building enclosure two sides.
Preferably, outdoor heat exchanger is divided into two parts and arranges with blower fan partial installation, and two parts of outdoor heat exchanger are arranged in the both sides in building enclosure front, in the middle of building enclosure front, are windowpane, and blower fan is arranged in building enclosure two sides.
Preferably, outdoor heat exchanger is composed in parallel by two above parts, and the corresponding Fans of each part of outdoor heat exchanger also forms a cell cube with blower fan, this cell cube one mounting arrangements.
The present invention: the system that thoroughly changes conventional air-conditioning machine, by control assembly, outdoor heat exchanger separate design such as indoor set, compressor and four-way change-over valves, each indoor set, compressor are for an outdoor heat exchanger, thereby realize efficiently operation under sub-load, can meet again air-conditioning, the heat demand in each room; Can also hot-water supply while needing.Designed system of the present invention, in each room, install and use one group of indoor set (one or more), during system works, control system determines to need compressor and the load condition thereof of startup according to external environment situation and room load situation, each group indoor set can be worked by the compressor in system for it, also can be by the work of multiple compressors inflammation, institute's chilling requirement or heat are provided, compressor-indoor set is not necessarily corresponding one by one as conventional air-conditioning machine, and this provides possibility for reducing system cost and flexible and efficient operation; The present invention by by the control assemblies such as four-way change-over valve and compressor integrated installation in one, form an outdoor unit, the outdoor heat exchanger parallel connection that each outdoor unit is corresponding becomes one, jointly use; And this heat exchanger is designed, manufactured again as balcony guardrail or its part, thereby make heat exchanger and architectural exterior-protecting construction integrated, add that the outdoor heat exchanger that outdoor unit is corresponding with it is separated, the space that the present invention can significantly reduce air conditioner takies, and also avoided the drawback of the design of conventional air-conditioning machine, mounting means.When only having part room to need heat supply or air-conditioning, for the design of outdoor heat exchanger, in fact increased the heat exchange area of air-conditioning unit room external heat exchanger, thereby improved operation of air-conditioner efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the systematic schematic diagram of embodiment of the present invention 1;
Fig. 2 is the systematic schematic diagram of embodiment of the present invention 2;
Fig. 3 a～3h is the systematic schematic diagram of embodiment of the present invention 3;
The schematic diagram of Fig. 4 a and 4b outdoor heat exchanger scheme 1 of the present invention;
The schematic diagram of Fig. 5 a and 5b outdoor heat exchanger scheme 2 of the present invention;
The schematic diagram of Fig. 6 a and 6b outdoor heat exchanger scheme 3 of the present invention;
The schematic diagram of Fig. 7 a and 7b outdoor heat exchanger scheme 4 of the present invention;
In figure: compressor 1, four-way change-over valve 2, vapour liquid separator 3, indoor set 4, check valve 5,7,8,11,12,13,23,24, expansion valve 6,14, device for drying and filtering 9, reservoir 10, outdoor heat exchanger 15, blower fan 16, blinds 17, magnetic valve 18,19, water heater 20, triple valve 21,22.
The specific embodiment
In the scheme 1 shown in Fig. 1, compressor 1 and control assembly thereof are positioned at outdoor heat exchanger 15 1 sides, to install concentratedly, administer and maintain.Under this scheme air conditioner refrigerating pattern, high temperature, gases at high pressure that compressor 1 is discharged enter outdoor heat exchanger 15 through four-way change-over valve 2, after cooling by air, be condensed into highly pressurised liquid, through check valve 13,11, enter reservoir 10, drying filter 9, check valve 7 again, enter indoor set 4 evaporations, heat absorption through expansion valve 6 reducing pressure by regulating flows are laggard, produces air conditioner refrigerating effect, become after gaseous state, through four-way change-over valve 2, enter vapour liquid separator 3 and enter compressor; Under heat supply mode, high temperature, gases at high pressure that compressor 1 is discharged enter indoor set 4 through four-way change-over valve 2, after emitting heat heating room air, be condensed into highly pressurised liquid, through check valve 5,12, enter reservoir 10, drying filter 9, check valve 8 again, enter outdoor heat exchanger 15 evaporations, heat absorption through expansion valve 14 reducing pressure by regulating flows are laggard, become after gaseous state, through four-way change-over valve 2, enter vapour liquid separator 3 and enter again compressor 1.
In scheme 2 shown in Fig. 2, the control assemblies such as the indoor set 4 of compressor 1 and correspondence thereof, four-way change-over valve 2 are divided into two groups, are arranged in respectively outdoor heat exchanger 15 both sides, so that shorten the distance between compressor 1 and indoor set 4.
In scheme shown in Fig. 3 (a), a compressor 1 and control assembly thereof corresponding two or many indoor sets 4, system shares outdoor heat exchanger 15.
In scheme shown in Fig. 3 (b), a compressor 1 and control assembly thereof corresponding two or many indoor sets 4, other two compressors 1 and control assembly thereof be corresponding two indoor sets 4, and system shares outdoor heat exchanger 15.
In scheme shown in Fig. 3 (c), a compressor 1 and control assembly thereof corresponding two or many indoor sets 4, system shares outdoor heat exchanger 15.
In scheme shown in Fig. 3 (d), corresponding many indoor sets 4 of one compressor 1 and control assembly thereof, increase refrigerant switching solenoid valve, and system can be switched between heat rooms and heating domestic water pattern, also simultaneously heat rooms and domestic water, system shares outdoor heat exchanger 15; Under heating mode, by shut electromagnetic valve 18, open magnetic valve 19, high-temperature high-pressure refrigerant flows to water heater 20, heating domestic water; Shut electromagnetic valve 19, open magnetic valve 18, high-temperature high-pressure refrigerant flows to indoor set 4, heat rooms; Beat simultaneously and look for magnetic valve 18,19, can heat domestic water and room simultaneously.
In scheme shown in Fig. 3 (e), corresponding many indoor sets 4 of one compressor 1 and control assembly thereof, increase refrigerant switching solenoid valve, system can be switched between heat rooms and heating domestic water pattern, or while heat rooms domestic water, and can when air conditioner refrigerating, utilize condensation heat heating domestic water, system shares outdoor heat exchanger.
Under heat supply mode, switch three-way valve 21,22, make high-temperature high-pressure gas refrigerant that compressor 1 discharges through four-way change-over valve 2, triple valve 21 water inlet indoor heat exchanger 4 condensation heat releases, become liquid by check valve 5, check valve 11 enter reservoir 10, drying filter 9, check valve 7 enter the interior heat absorption evaporation of outdoor heat exchanger 15 through expansion valve 14 reducing pressure by regulating flows again, become low pressure refrigerant gas and by triple valve 22 and four-way change-over valve 2, enter vapour liquid separator 3 and enter again compressor 1.
Under hot water pattern, switch three-way valve 21,22, make the high-temperature high-pressure gas refrigerant that compressor 1 is discharged flow into water heater 20 condensation heat releases, heating domestic water through four-way change-over valve 2, triple valve 21, check valve 23, become and enter reservoir 10, drying filter 9, check valve 7 after liquid and enter the interior heat absorption evaporation of outdoor heat exchanger 15 through expansion valve 14 reducing pressure by regulating flows, become low pressure refrigerant gas and by triple valve 22 and four-way change-over valve 2, enter vapour liquid separator 3 and enter again compressor 1.
Under air-conditioning-hot water pattern, switch three-way valve 21,22, make the high-temperature high-pressure gas refrigerant that compressor 1 is discharged flow into water heater 20 condensation heat releases, heating domestic water through four-way change-over valve 2, triple valve 22, check valve 24, become and enter reservoir 10, drying filter 9, check valve 8 after liquid and enter the interior heat absorption evaporation of indoor set 4 through expansion valve 6 reducing pressure by regulating flows, become low pressure refrigerant gas and by triple valve 21 and four-way change-over valve 2, enter vapour liquid separator 3 and enter again compressor 1.
Under air conditioner refrigerating pattern, switch three-way valve 21,22, make the high-temperature high-pressure gas refrigerant that compressor 1 is discharged flow into outdoor heat exchanger 15 condensation heat releases through four-way change-over valve 2, triple valve 22, become liquid and enter reservoir 10 by check valve 13,12, drying filter 9, check valve 8 enter the interior heat absorption evaporation of indoor set 4 through expansion valve 6 reducing pressure by regulating flows again, become low pressure refrigerant gas and by triple valve 21 and four-way change-over valve 2, enter vapour liquid separator 3 and enter compressor 1 again.
In the scheme shown in Fig. 3 (f), one compressor 1 and control assembly thereof corresponding two or many indoor sets 4, system shares outdoor heat exchanger 15, is wherein that a compressor of two or many indoor set work switches by valve functions such as can realizing heat supply, air-conditioning, domestic water heating.
In the scheme shown in Fig. 3 (g), there are multiple compressors and indoor set, one compressor 1 and control assembly thereof corresponding two or many indoor sets 4, system shares outdoor heat exchanger 15, and wherein a compressor can switch functions such as realizing heat supply, air-conditioning, domestic water heating by valve.
In the scheme shown in Fig. 3 (h), two compressors are in parallel, by valve, switch functions such as realizing heat supply, air-conditioning, domestic water heating.
In outdoor heat exchanger scheme 1 embodiment shown in Fig. 4, outdoor heat exchanger 15 with blower fan 16 mounting arrangements in balcony (or cloudy platform) guardrail position, outdoor air from by blower fan 16 from balcony (cloudy platform) side or other passage introduce and flow through outdoor heat exchanger 15 enter environment; Blinds 17 are installed in outdoor heat exchanger 15 outsides, and blinds 17 is adjustable, and can open completely winter, and summer can deflection certain angle, keeps the sun off.
In outdoor heat exchanger scheme 2 embodiment shown in Fig. 5, outdoor heat exchanger 15 is arranged with blower fan 16 partial installations, outdoor heat exchanger 15 mounting arrangements are in balcony (or cloudy platform) guardrail position, facade is also installed blinds 17,16 mounting arrangements of blower fan are in balcony sidepiece, and outdoor air from entering from the side environment by blower fan 16 from outdoor heat exchanger 15 is flow through in the positive introducing of balcony (cloudy platform);
In outdoor heat exchanger scheme 3 embodiment shown in Fig. 6, outdoor heat exchanger 15 is divided into two parts and arranges with blower fan 16 partial installations, outdoor heat exchanger 15 mounting arrangements are in balcony (or cloudy platform) both sides, guardrail position, facade is also installed blinds 17, the middle mounting glass window of guardrail, for daylighting and decoration, 16 mounting arrangements of blower fan are in balcony sidepiece, and outdoor air from entering from the side environment by blower fan 16 from outdoor heat exchanger 15 is flow through in the positive introducing of balcony (cloudy platform).
In outdoor heat exchanger scheme 4 embodiment shown in Fig. 7, outdoor heat exchanger 15 be divided into two or more parts and and combine as a whole, each part and blower fan 16 form a cell cube, each cell cube mounting arrangements is in balcony (or cloudy platform) both sides, guardrail position or other position, outdoor air from by blower fan 16 from balcony (cloudy platform) positive or other passage introduce and flow through outdoor heat exchanger 15 from the side or other position enters environment.
Claims (10)
1. a family heat pump, comprise indoor set, compressor and control assembly thereof and outdoor heat exchanger, it is characterized in that: described indoor set, compressor and control assembly thereof and outdoor heat exchanger adopt split-type structural, one group of indoor set is respectively installed in each room, in outdoor mounted, there are an outdoor heat exchanger and at least one compressor, described compressor and control assembly integrated installation thereof are in being integrally formed an outdoor unit, each indoor set, compressor shares an outdoor heat exchanger, during heat pump work, control system determines to need compressor and the load condition thereof of startup according to external environment situation and room load situation, each group indoor set is worked for it by more than one or two compressors.
2. a kind of family according to claim 1 heat pump, is characterized in that: described outdoor heat exchanger is designed to architectural exterior-protecting construction or its some.
3. a kind of family according to claim 1 heat pump, is characterized in that: described indoor set, compressor and control assembly thereof are distributed in outdoor heat exchanger one side.
4. a kind of family according to claim 1 heat pump, is characterized in that: described indoor set, compressor and control assembly thereof are distributed in outdoor heat exchanger both sides.
5. a kind of family according to claim 1 heat pump, is characterized in that: in this heat pump, increase refrigerant switching solenoid valve, by this refrigerant switching solenoid valve, heat pump is switched between heat rooms and heating domestic water pattern.
6. a kind of family according to claim 1 heat pump, is characterized in that: adjustable blinds is installed in outdoor heat exchanger outside.
7. according to a kind of family heat pump described in claim 3 to 6 any one, it is characterized in that: outdoor heat exchanger and blower fan and building enclosure become one.
8. a kind of family according to claim 2 heat pump, is characterized in that: outdoor heat exchanger and blower fan partial installation arrange, outdoor heat exchanger is arranged in building enclosure front, and blower fan is arranged in building enclosure two sides.
9. family according to claim 2 is used and similar applications heat pump, it is characterized in that: outdoor heat exchanger is divided into two parts and arranges with blower fan partial installation, two parts of outdoor heat exchanger are arranged in the both sides in building enclosure front, in the middle of building enclosure front, be windowpane, blower fan is arranged in building enclosure two sides.
10. a kind of family according to claim 2 heat pump, it is characterized in that: outdoor heat exchanger is composed in parallel by two above parts, the corresponding Fans of each part of outdoor heat exchanger also forms a cell cube with blower fan, this cell cube one mounting arrangements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128148.3A CN104006460A (en) | 2014-04-01 | 2014-04-01 | Household heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128148.3A CN104006460A (en) | 2014-04-01 | 2014-04-01 | Household heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104006460A true CN104006460A (en) | 2014-08-27 |
Family
ID=51367249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128148.3A Pending CN104006460A (en) | 2014-04-01 | 2014-04-01 | Household heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104006460A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729139A (en) * | 2015-03-24 | 2015-06-24 | 贺洪 | Method for heating with house building materials and indoor air and cold-hot air conditioning equipment |
| CN106766372A (en) * | 2016-12-13 | 2017-05-31 | 国网北京市电力公司 | Heat pump |
| CN107883600A (en) * | 2016-09-30 | 2018-04-06 | 上海海立电器有限公司 | One drag two air-conditioning system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370319Y (en) * | 1999-02-14 | 2000-03-22 | 江苏宝利置业公司 | Wall full concealed cool and heat split air conditioner outdoor machine |
| CN2748820Y (en) * | 2004-10-20 | 2005-12-28 | 西安飞机工业（集团）有限责任公司 | Blind window for air conditioners |
| CN1991254A (en) * | 2005-12-26 | 2007-07-04 | 胡冬宜 | Refrigerating and heat-producing device utilizing architecture structure as heat exchanger |
| JP2009198087A (en) * | 2008-02-21 | 2009-09-03 | Mitsubishi Electric Corp | Air conditioner |
| CN101666542A (en) * | 2008-09-03 | 2010-03-10 | 张翠凤 | Heat pump water heater system for multi-split air conditioner |
| CN202350385U (en) * | 2011-11-25 | 2012-07-25 | 海信（山东）空调有限公司 | Multi-split air conditioning system for directly heating hot water by compressor |
| CN202521749U (en) * | 2012-02-23 | 2012-11-07 | 宁波奥克斯空调有限公司 | Split type air conditioner |
| CN203823938U (en) * | 2014-04-01 | 2014-09-10 | 浙江理工大学 | Household heat pump system |
-
2014
- 2014-04-01 CN CN201410128148.3A patent/CN104006460A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370319Y (en) * | 1999-02-14 | 2000-03-22 | 江苏宝利置业公司 | Wall full concealed cool and heat split air conditioner outdoor machine |
| CN2748820Y (en) * | 2004-10-20 | 2005-12-28 | 西安飞机工业（集团）有限责任公司 | Blind window for air conditioners |
| CN1991254A (en) * | 2005-12-26 | 2007-07-04 | 胡冬宜 | Refrigerating and heat-producing device utilizing architecture structure as heat exchanger |
| JP2009198087A (en) * | 2008-02-21 | 2009-09-03 | Mitsubishi Electric Corp | Air conditioner |
| CN101666542A (en) * | 2008-09-03 | 2010-03-10 | 张翠凤 | Heat pump water heater system for multi-split air conditioner |
| CN202350385U (en) * | 2011-11-25 | 2012-07-25 | 海信（山东）空调有限公司 | Multi-split air conditioning system for directly heating hot water by compressor |
| CN202521749U (en) * | 2012-02-23 | 2012-11-07 | 宁波奥克斯空调有限公司 | Split type air conditioner |
| CN203823938U (en) * | 2014-04-01 | 2014-09-10 | 浙江理工大学 | Household heat pump system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729139A (en) * | 2015-03-24 | 2015-06-24 | 贺洪 | Method for heating with house building materials and indoor air and cold-hot air conditioning equipment |
| CN107883600A (en) * | 2016-09-30 | 2018-04-06 | 上海海立电器有限公司 | One drag two air-conditioning system |
| CN107883600B (en) * | 2016-09-30 | 2023-11-28 | 上海海立电器有限公司 | One-driving-two air conditioning system |
| CN106766372A (en) * | 2016-12-13 | 2017-05-31 | 国网北京市电力公司 | Heat pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2009157277A1 (en) | Air conditioning device | |
| CN207778698U (en) | A kind of family formula independent temperature-humidity control system | |
| CN102840716B (en) | Heat pump system and control method thereof | |
| US20140069132A1 (en) | Variable-damper multi-function heat pump air conditioner | |
| CN104006460A (en) | Household heat pump system | |
| CN204301192U (en) | Variable refrigerant volume and the integrated VRAV air-conditioning system of variable air rate | |
| CN104566703A (en) | Dual-system energy-saving central air-conditioner | |
| CN102829519B (en) | Dehumidifying unit of double cold source all fresh air heat pump provided with cold carrying heat exchanger | |
| CN203823938U (en) | Household heat pump system | |
| CN210801435U (en) | Full fresh air conditioning system based on oil-free compressor | |
| KR20100005250A (en) | Heat-pump type system for suppling cold and hot water for providing air conditioning | |
| CN107606695B (en) | Air conditioner and control method thereof | |
| KR101844581B1 (en) | Heat source integrated air conditioner | |
| KR100712857B1 (en) | Refrigerants Control Method For Dual Type Unitary Air Conditioner | |
| CN201522043U (en) | Distribution type air conditioner unit | |
| CN103032994A (en) | Dual-evaporation dual-condensation household type central air-conditioning hot water system and control method thereof | |
| CN110986204A (en) | Central air-conditioning system for cooling and dehumidifying of variable-frequency multi-connected floor heating air duct machine | |
| CN205332583U (en) | Duplex condition air conditioner | |
| CN101846380A (en) | Air pipe for optimizing air distribution in telecommunication station and ventilation system | |
| CN214148180U (en) | Building air conditioner fluorine water combined unit | |
| CN205065981U (en) | Air conditioning system | |
| CN107957147A (en) | A kind of heat pump air conditioner of outdoor air heat exchanger flexible arrangement | |
| CN203940559U (en) | Heat pump type air conditioning system | |
| CN211781575U (en) | Multi-working-condition frostless blind-area-free swimming pool dehumidification heat pump unit | |
| CN202747512U (en) | Evaporative refrigeration air conditioning device combined with low-temperature and high-temperature sensible cooling terminals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140827 |