CN102401519A - Outdoor unit of air conditioner - Google Patents
Outdoor unit of air conditioner Download PDFInfo
- Publication number
- CN102401519A CN102401519A CN2010102833416A CN201010283341A CN102401519A CN 102401519 A CN102401519 A CN 102401519A CN 2010102833416 A CN2010102833416 A CN 2010102833416A CN 201010283341 A CN201010283341 A CN 201010283341A CN 102401519 A CN102401519 A CN 102401519A
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- air
- outdoor heat
- heat converter
- secondary unit
- 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.)
- Granted
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 110
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000002826 coolant Substances 0.000 claims description 11
- 238000010257 thawing Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 8
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an outdoor unit of an air conditioner. The outdoor unit comprises an outdoor heat exchanger, an outdoor fan, a compressor and an electric heater, wherein an auxiliary heat exchanger which surrounds the compressor is arranged near the compressor; the auxiliary heat exchanger comprises a plurality of fins and a refrigerant pipe for serially connecting the fins; and the auxiliary heat exchanger is connected with the outdoor heat exchanger through the refrigerant pipe. Heat dissipated from the compressor is absorbed by the auxiliary heat exchanger, and the temperature of the outdoor heat exchanger can be increased by refrigerant circulation, therefore, the whole temperature of the outdoor heat exchanger is higher than the ice point, the frosting possibility of the outdoor heat exchanger can be effectively reduced, the capacity of the electric heater is reduced, and thus the electric energy is saved. In addition, the times for frosting when the air conditioner is powered off during heating can be reduced by increasing the temperature of the outdoor heat exchanger by utilizing the auxiliary heat exchanger, and the heating efficiency of the air conditioner is improved.
Description
Technical field
The present invention relates to the technical field of air-conditioner, is a kind ofly secondary unit to be set around the compressor specifically, through the refrigerant in the heat outdoor heat converter of compressor, thereby improves the off-premises station of the air-conditioner of defrosting effect.
Background technology
In general; Air-conditioner is: evaporate in summer → compress → kind of refrigeration cycle of the sequential loop of condensation → expansion; Change cross valve in the winter time, carry out heating circulation, indoor temperature is maintained refrigeration or heating on user's desired level with the reverse heat pump of kind of refrigeration cycle.Air-conditioner has both refrigeration or heat-production functions usually, changes into clean air after suction chamber internal contamination air filters again to the air-cleaning function of indoor discharge, sucks humid air and changes into behind the dry air again to the dehumidification function of indoor discharge etc.
Fig. 1 is the sketch map of air-conditioner in the prior art; Fig. 2 is the internal structure sketch map of air-conditioner in the prior art.
As depicted in figs. 1 and 2, indoor heat converter 12 is installed in indoor suction inlet 14 rears that are positioned at air conditioner room unit 10 fronts.The refrigerant pipe 20 that the inside of indoor heat converter 12 has refrigerant to flow is so adjust the temperature in air conditioning space 1 through the process of the heat exchange between refrigerant that flows at refrigerant pipe 20 and the room air that sucks from indoor suction inlet 14.That is, air-conditioner, in cooling operation, the low temperature refrigerant and the room air that flow at indoor heat converter 12 carry out heat exchange, reduce the temperature in air conditioning space 1; When heating running, the high temperature refrigerant and the room air that flow at indoor heat converter 12 carry out heat exchange, improve the temperature in air conditioning space 1.
In Fig. 1, drawing reference numeral " 16 " is an indoor fan, and " 35 " are outdoor suction inlets, and " 37 " are outdoor fans.
The refrigerant circulation of explanation air-conditioner when freezing or heat running below.
The situation of air-conditioner cooling operation at first is described.
The HTHP refrigerant of discharging from compressor 34 is according to 36 li of the effect inflow outdoor heat exchangers of cross valve 32.The HTHP refrigerant of inflow outdoor heat exchanger 36 carries out heat exchange with the outdoor air that flows into 30 li of off-premises stations and is condensed into liquid refrigerants, in the process through expansion gear 38, becomes the low-temp low-pressure refrigerant then.Then, the low-temp low-pressure refrigerant is 12 li of inflow indoor heat exchangers again, and carry out heat exchange with the room air that flows into indoor set 10, flow into 34 li on compressor after reducing indoor air temperature.Therefore, in the time of cooling operation, refrigerant is recycle compressor 34 → outdoor heat converter 36 → expansion gear 38 → indoor heat converter 12 → compressor 34 repeatedly, and the temperature in air conditioning space 1 is reduced to design temperature.
The situation of air conditioner heat-production running is described below.
The HTHP refrigerant of discharging from compressor 34 is according to 12 li of the effect inflow indoor heat exchangers of cross valve 32.The HTHP refrigerant that inflow indoor heat exchanger is 12 li carries out heat exchange with the room air that flows into 10 li of indoor sets, and improves the temperature of room air.Then, become the low-temp low-pressure gas coolant when flowing through expansion gear 38, continue then to flow into 34 li on compressors through outdoor heat converter 36 backs through the refrigerant of indoor heat converter 12.Therefore, when heating running, refrigerant is recycle compressor 34 → indoor heat converter 12 → expansion gear 38 → outdoor heat converter 36 → compressor 34 repeatedly, and the temperature in air conditioning space 1 is brought up to design temperature.
Heating in the process of air-conditioner comprises the stage of heating and defrost phase; In the stage of heating, the indoor fan and the outdoor fan of air-conditioner turn round simultaneously, make indoor heat converter and outdoor heat converter carry out exchange heat with the air of indoor and outdoors respectively, and compressor is kept and heated duty, and cross valve is in opening; In defrost phase, indoor fan and outdoor fan are in operating condition, and compressor is reversed refrigeration work, and cross valve is in halted state, and outdoor electric heater heats outdoor heat converter.
As stated; Air-conditioner is when heating running; Temperature is about 0 ℃ in the refrigerant pipe of outdoor heat converter, if outdoor environment below freezing point temperature and a certain amount of moisture is arranged, exposes dew on outdoor heat converter 36 surfaces of outdoor environment; And such dew freezes below freezing the beginning, and forms frost.The frost on outdoor heat converter 36 surfaces carry out the discharged air temperature decline of heat exchange thus through indoor heat converter 12, and heat-production functions reduces along with the running that heats of air-conditioner continues to increase gradually.Therefore; In order to remove frost, make air-conditioner also can effectively heat running at environment below freezing, in heating operation process, need need defrost at set intervals running; Promptly in heating the process of running, carry out cooling operation at set intervals during a specified time; During the running that defrosts, outdoor heat converter 36 is emitted heat, melts outdoor heat converter 36 lip-deep frosts.The heat-production functions of air-conditioner stops in when defrosting, and this moment, indoor temperature can descend gradually, can't keep indoor warm, causes easily that the user's is uncomfortable.When outdoor air humidity was very big, the Defrost operation of air-conditioning in operation process can become very frequent, had a strong impact on the heating performance of air-conditioner.
Summary of the invention
The technical problem that the present invention will solve provides and a kind ofly secondary unit is set around the compressor, through the refrigerant in the heat outdoor heat converter of compressor, thereby improves the off-premises station of the air-conditioner of defrosting effect.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The off-premises station of air-conditioner of the present invention comprises: outdoor heat converter, be arranged in the cabinet of off-premises station, and carry out heat exchange with outdoor air; Outdoor fan is drawn into outdoor air in the cabinet and makes air flow through outdoor heat converter; Compressor flows for refrigerant pressurizes and orders about refrigerant; Electric heater is arranged near the outdoor heat converter, is the outdoor heat converter defrosting through electrical heating, and the supplementary heat exchanger around compressor is set near compressor; Secondary unit comprises a plurality of fins and the refrigerant pipe that fin is strung, and secondary unit is connected with outdoor heat converter through the refrigerant pipe.
On the refrigerant pipe of connection secondary unit and outdoor heat converter check valve is set respectively; The entry position of secondary unit is provided with and makes refrigerant to first check valve that the secondary unit direction flows into, and second check valve that refrigerant flows out to the outdoor heat converter direction is set in the exit position of secondary unit.
The refrigerant pipe is set between the refrigerant pipe of connection secondary unit and outdoor heat converter forms coolant path, the 3rd check valve is set in the coolant path.
According to the flow direction of refrigerant, the coolant path two ends of connection refrigerant pipe are separately positioned on before first check valve and after second check valve, the direction of the 3rd check valve flows out inflow one side that a side is pointed to refrigerant from the refrigerant of secondary unit.
Above-mentioned secondary unit forms arc surface, semi-surrounding compressor.
Described additional cooler is parallelly connected with outdoor heat converter.
Advantage and good effect that the present invention has are:
In the off-premises station of air-conditioner of the present invention; Around compressor secondary unit is set, the outdoor heat converter of secondary unit and air-conditioner interconnects through the refrigerant pipe that has check valve, and the part refrigerant that exchange heat is carried out in during the air conditioner heat-production operation and outside enters into secondary unit through the refrigerant pipe; And in secondary unit, circulate; Because compressor is in the condition of high temperature all the time during the air-conditioner operation, the heat of compressor is constantly dispersed to the outside, and a part of heat is wherein absorbed by secondary unit; And heat is conducted in the refrigerant of circulation, the refrigerant temperature that flows through secondary unit is raise.Simultaneously; When the refrigerant in the secondary unit imports outdoor heat converter again, also can improve the temperature of outdoor heat converter, thereby make the bulk temperature of outdoor heat converter be higher than freezing point; Can reduce the frosting possibility of outdoor heat converter effectively; Even if frosting also can defrost rapidly under the acting in conjunction of electric heater and auxiliary heater, the capacity of electric heater can significantly reduce, thereby has practiced thrift electric energy.Utilize secondary unit raising outdoor heat converter temperature can reduce air-conditioner and when heating, shut down the number of times that defrosts, thereby improved the operating efficiency that heats of air-conditioner.
Description of drawings
Fig. 1 is the sketch map of air-conditioner in the prior art;
Fig. 2 is the internal structure sketch map of air-conditioner in the prior art;
Fig. 3 is that the secondary unit in the off-premises station of air-conditioner of the present invention is connected sketch map with outdoor heat converter;
Fig. 4 is the sketch map of the secondary unit in the off-premises station of air-conditioner of the present invention;
Fig. 5 is the sketch map of another angle of secondary unit in the off-premises station of air-conditioner of the present invention;
Fig. 6 is the vertical view of the secondary unit in the off-premises station of air-conditioner of the present invention.
The specific embodiment
Followingly the present invention is carried out detailed explanation with reference to accompanying drawing and embodiment.
Fig. 3 is that the secondary unit in the off-premises station of air-conditioner of the present invention is connected sketch map with outdoor heat converter; Fig. 4 is the sketch map of the secondary unit in the off-premises station of air-conditioner of the present invention; Fig. 5 is the sketch map of another angle of secondary unit in the off-premises station of air-conditioner of the present invention; Fig. 6 is the vertical view of the secondary unit in the off-premises station of air-conditioner of the present invention.
Extremely shown in Figure 6 like Fig. 3, when air conditioner heat-production turns round, thus the temperature rising that compressor pressurizes and makes refrigerant refrigerant, the HTHP refrigerant of discharging from compressor flow into the indoor heat converter through cross valve.The indoor fan of air-conditioner sucks indoor air, and air and indoor heat converter carry out heat exchange and the temperature rising, and it is indoor that hot-air is drained into by indoor fan more again, thereby indoor temperature is raise.Then, through the expansion gear of flowing through of the refrigerant after the indoor heat converter heat exchange, become the low-temp low-pressure gas coolant simultaneously, refrigerant is then through flowing in the compressor behind the outdoor heat converter.Therefore, when heating running, refrigerant is recycle compressor → indoor heat converter → expansion gear → outdoor heat converter → compressor repeatedly, and then the temperature in air conditioning space is brought up to design temperature.
The off-premises station of air-conditioner of the present invention comprises the stage of heating and defrost phase; In the stage of heating; The indoor fan and the outdoor fan of air-conditioner turn round simultaneously, make indoor heat converter and outdoor heat converter carry out exchange heat with the air of indoor and outdoors respectively, and compressor is kept and heated duty; Cross valve is in opening; If indoor electric heater selectivity work lower and need heat fast the time in indoor temperature, moves when can select indoor heat to heat; In defrost phase, indoor fan and outdoor fan are in operating condition, and compressor is reversed refrigeration work; Make outdoor heat converter be in the condition of high temperature; Cross valve is in halted state, and outdoor electric heater heats outdoor heat converter, and then makes the outdoor heat converter defrosting that heats up rapidly.
In the off-premises station of air-conditioner of the present invention, outdoor heat converter 36 is arranged in the cabinet of off-premises station, carries out heat exchange with outdoor air, and outdoor heat converter is in low-temperature condition when air conditioner heat-production; Outdoor fan is drawn into outdoor air in the cabinet and makes air flow through outdoor heat converter 36; Compressor 34 pressurizes for refrigerant and orders about refrigerant and flows; Electric heater is arranged near the outdoor heat converter; Through electrical heating is the outdoor heat converter defrosting; Supplementary heat exchanger 40 around compressor is set near compressor; Compressor 34 is in the condition of high temperature when air-conditioner moves, the heat that compressor is outwards dispersed is absorbed by secondary unit 40, and the refrigerant temperature in the secondary unit is raise; Secondary unit comprises a plurality of fins and the refrigerant pipe that fin is strung; Increase the caloric receptivity of secondary unit from compressor through fin, thereby the refrigerant temperature that is circulated throughout secondary unit is further raise, secondary unit is connected with outdoor heat converter through refrigerant pipe 20; Refrigerant after temperature raises flow back in the outdoor heat converter once more; Mix with the refrigerant that circulates in the outdoor heat converter, and then improved the whole temperature of outdoor heat converter, the temperature that outdoor heat converter is whole exceeds freezing point when air conditioner heat-production; Basically maintain more than 2 ℃; And then prevent effectively to cross the low frosting that causes because of the temperature of outdoor heat converter, when prolonging the heating operation time, shorten the defrosting time in the air conditioner heat-production, to improve the heating capacity of air-conditioner.
On the refrigerant pipe 20 of connection secondary unit 40 and outdoor heat converter 36 check valve is set respectively; Guarantee that the refrigerant between outdoor heat converter and the secondary unit keeps unidirectional flowing; Prevent that refrigerant from adverse current occurring in the refrigerant pipe; The side that refrigerant flow into secondary unit from outdoor heat converter is set to the inlet of secondary unit; Corresponding refrigerant is set to the outlet of secondary unit from a side of secondary unit inflow outdoor heat exchanger; The entry position of secondary unit is provided with first check valve 41 that refrigerant is flowed into to the secondary unit direction; Refrigerant is set to second check valve 42 that the outdoor heat converter direction flows out in the exit position of secondary unit, guarantees that promptly refrigerant is an one-way flow in the refrigerant pipe that secondary unit is arranged, check valve has stoped the generation of refrigerant adverse current.
The refrigerant pipe is set between the refrigerant pipe of connection secondary unit and outdoor heat converter forms coolant path 44, the 3rd check valve 43 is set in the coolant path.According to the flow direction of refrigerant, the coolant path two ends that connect the refrigerant pipe are separately positioned on before first check valve after 41 and second check valve, and the direction of the 3rd check valve flows out inflow one side of side sensing refrigerant from the refrigerant of secondary unit.Can regulate the refrigerant that flows to secondary unit is mobile through the 3rd check valve,, constantly absorb heat, and heat is transferred to outdoor heat converter 36 from compressor so that refrigerant keeps continual and steady flowing in secondary unit 40.
Above-mentioned secondary unit 40 forms arc surface, and the semi-surrounding compressor to obtain bigger heat exchange area, makes fins set can absorb the heat that exhales from compressor more.
In the off-premises station of air-conditioner of the present invention; Around compressor secondary unit is set, the outdoor heat converter of secondary unit and air-conditioner interconnects through the refrigerant pipe that has check valve, and the part refrigerant that exchange heat is carried out in during the air conditioner heat-production operation and outside enters into secondary unit through the refrigerant pipe; And in secondary unit, circulate; Because compressor is in the condition of high temperature all the time during the air-conditioner operation, the heat of compressor is constantly dispersed to the outside, and a part of heat is wherein absorbed by secondary unit; And heat is conducted in the refrigerant of circulation, the refrigerant temperature that flows through secondary unit is raise.Simultaneously; When the refrigerant in the secondary unit imports outdoor heat converter again, also can improve the temperature of outdoor heat converter, thereby make the bulk temperature of outdoor heat converter be higher than freezing point; Can reduce the frosting possibility of outdoor heat converter effectively; Even if frosting also can defrost rapidly under the acting in conjunction of electric heater and auxiliary heater, the capacity of electric heater can significantly reduce, thereby has practiced thrift electric energy.Utilize secondary unit raising outdoor heat converter temperature can reduce air-conditioner and when heating, shut down the number of times that defrosts, thereby improved the operating efficiency that heats of air-conditioner.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention is with preferred embodiment openly as above, yet, be not in order to limit the present invention; Anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention, can utilize the technology contents of announcement to make a little change or modification certainly; Become the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (6)
1. the off-premises station of an air-conditioner comprises: outdoor heat converter, be arranged in the cabinet of off-premises station, and carry out heat exchange with outdoor air; Outdoor fan is drawn into outdoor air in the cabinet and makes air flow through outdoor heat converter; Compressor flows for refrigerant pressurizes and orders about refrigerant; Electric heater is arranged near the outdoor heat converter, is the outdoor heat converter defrosting through electrical heating, it is characterized in that: the supplementary heat exchanger around compressor is set near compressor; Secondary unit comprises a plurality of fins and the refrigerant pipe that fin is strung, and secondary unit is connected with outdoor heat converter through the refrigerant pipe.
2. the off-premises station of air-conditioner according to claim 1; It is characterized in that: on the refrigerant pipe of connection secondary unit and outdoor heat converter check valve is set respectively; The entry position of secondary unit is provided with and makes refrigerant to first check valve that the secondary unit direction flows into, and second check valve that refrigerant flows out to the outdoor heat converter direction is set in the exit position of secondary unit.
3. the off-premises station of air-conditioner according to claim 2 is characterized in that: the refrigerant pipe is set between the refrigerant pipe of connection secondary unit and outdoor heat converter forms coolant path, the 3rd check valve is set in the coolant path.
4. the off-premises station of air-conditioner according to claim 3; It is characterized in that: according to the flow direction of refrigerant; The coolant path two ends of connection refrigerant pipe are separately positioned on before first check valve and after second check valve, the direction of the 3rd check valve flows out inflow one side that a side is pointed to refrigerant from the refrigerant of secondary unit.
5. the off-premises station of air-conditioner according to claim 1 is characterized in that: above-mentioned secondary unit formation arc surface, semi-surrounding compressor.
6. the off-premises station of air-conditioner according to claim 1, it is characterized in that: additional cooler is parallelly connected with outdoor heat converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010283341.6A CN102401519B (en) | 2010-09-16 | 2010-09-16 | The off-premises station of air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010283341.6A CN102401519B (en) | 2010-09-16 | 2010-09-16 | The off-premises station of air-conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102401519A true CN102401519A (en) | 2012-04-04 |
| CN102401519B CN102401519B (en) | 2016-08-10 |
Family
ID=45883976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010283341.6A Expired - Fee Related CN102401519B (en) | 2010-09-16 | 2010-09-16 | The off-premises station of air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102401519B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542459A (en) * | 2013-11-08 | 2014-01-29 | 海信（山东）空调有限公司 | Cooling and heating inverter air conditioner and defrosting method during heating operation |
| CN103591669A (en) * | 2013-10-18 | 2014-02-19 | 广东美的制冷设备有限公司 | Air-conditioner equipment and anti-frosting method and anti-frosting device for air-conditioner equipment |
| CN103851752A (en) * | 2012-12-04 | 2014-06-11 | 邯郸美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN105423589A (en) * | 2015-11-20 | 2016-03-23 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN109945297A (en) * | 2019-02-26 | 2019-06-28 | 佛山市顺德区美的电子科技有限公司 | Air-conditioning equipment |
| CN111480039A (en) * | 2017-12-18 | 2020-07-31 | 大金工业株式会社 | air conditioning unit |
| US11365335B2 (en) | 2017-12-18 | 2022-06-21 | Daikin Industries, Ltd. | Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
| US11435118B2 (en) | 2017-12-18 | 2022-09-06 | Daikin Industries, Ltd. | Heat source unit and refrigeration cycle apparatus |
| US11441802B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Air conditioning apparatus |
| US11441819B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11492527B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
| US11493244B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Air-conditioning unit |
| US11506425B2 (en) | 2017-12-18 | 2022-11-22 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11549695B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Heat exchange unit |
| US11549041B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
| US11820933B2 (en) | 2017-12-18 | 2023-11-21 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11906207B2 (en) | 2017-12-18 | 2024-02-20 | Daikin Industries, Ltd. | Refrigeration apparatus |
| US12270575B2 (en) | 2017-12-18 | 2025-04-08 | Daikin Industries, Ltd. | Warm-water generating apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0331666A (en) * | 1989-06-28 | 1991-02-12 | Matsushita Electric Ind Co Ltd | Heat pump type air conditioner |
| JPH0875325A (en) * | 1994-09-02 | 1996-03-19 | Soogo:Kk | Defrosting device for refrigerating machine |
| JP2005083711A (en) * | 2003-09-10 | 2005-03-31 | Shinko Kogyo Co Ltd | A defrost apparatus and a defrost method for a heat pump air conditioner. |
| CN2809522Y (en) * | 2005-06-22 | 2006-08-23 | 海尔集团公司 | Defrosting device for engine driven air compressor |
-
2010
- 2010-09-16 CN CN201010283341.6A patent/CN102401519B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0331666A (en) * | 1989-06-28 | 1991-02-12 | Matsushita Electric Ind Co Ltd | Heat pump type air conditioner |
| JPH0875325A (en) * | 1994-09-02 | 1996-03-19 | Soogo:Kk | Defrosting device for refrigerating machine |
| JP2005083711A (en) * | 2003-09-10 | 2005-03-31 | Shinko Kogyo Co Ltd | A defrost apparatus and a defrost method for a heat pump air conditioner. |
| CN2809522Y (en) * | 2005-06-22 | 2006-08-23 | 海尔集团公司 | Defrosting device for engine driven air compressor |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851752A (en) * | 2012-12-04 | 2014-06-11 | 邯郸美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN103591669A (en) * | 2013-10-18 | 2014-02-19 | 广东美的制冷设备有限公司 | Air-conditioner equipment and anti-frosting method and anti-frosting device for air-conditioner equipment |
| CN103591669B (en) * | 2013-10-18 | 2016-03-30 | 广东美的制冷设备有限公司 | The antifrost method of air-conditioning equipment and antifrost device, air-conditioning equipment |
| CN103542459A (en) * | 2013-11-08 | 2014-01-29 | 海信（山东）空调有限公司 | Cooling and heating inverter air conditioner and defrosting method during heating operation |
| CN103542459B (en) * | 2013-11-08 | 2015-11-18 | 海信（山东）空调有限公司 | Defrost method when cold-heat frequency-conversion air conditioner and heating operation |
| CN105423589A (en) * | 2015-11-20 | 2016-03-23 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN105423589B (en) * | 2015-11-20 | 2019-04-02 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| US11435118B2 (en) | 2017-12-18 | 2022-09-06 | Daikin Industries, Ltd. | Heat source unit and refrigeration cycle apparatus |
| US11493244B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Air-conditioning unit |
| US11365335B2 (en) | 2017-12-18 | 2022-06-21 | Daikin Industries, Ltd. | Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
| US12270575B2 (en) | 2017-12-18 | 2025-04-08 | Daikin Industries, Ltd. | Warm-water generating apparatus |
| US11441802B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Air conditioning apparatus |
| US11441819B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11492527B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
| CN111480039A (en) * | 2017-12-18 | 2020-07-31 | 大金工业株式会社 | air conditioning unit |
| US11506425B2 (en) | 2017-12-18 | 2022-11-22 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11535781B2 (en) | 2017-12-18 | 2022-12-27 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11549695B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Heat exchange unit |
| US11549041B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
| US11820933B2 (en) | 2017-12-18 | 2023-11-21 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
| US11906207B2 (en) | 2017-12-18 | 2024-02-20 | Daikin Industries, Ltd. | Refrigeration apparatus |
| CN109945297A (en) * | 2019-02-26 | 2019-06-28 | 佛山市顺德区美的电子科技有限公司 | Air-conditioning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102401519B (en) | 2016-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102401519A (en) | Outdoor unit of air conditioner | |
| KR100867469B1 (en) | Multi-range indoor air-conditioning heating system and ventilation control system and the energy-efficient control method of the same | |
| CN102901156B (en) | Frost preventing and removing system and frost preventing and removing method of heat pipe type air conditioner | |
| US10047991B2 (en) | Heat pump | |
| CN103574969B (en) | Air-conditioning system | |
| CN101223837B (en) | Air conditioning systems for communication equipment | |
| CN107014016A (en) | A kind of fluorine pump natural cooling evaporating type condensing cooling-water machine and its control method | |
| CN106061777A (en) | Heat pump system for vehicle | |
| CN103857976A (en) | Refrigeration cycle device | |
| CN103900184A (en) | Water cooling medium three-pipe refrigerating and heating air-conditioning system | |
| CN102141282A (en) | Heating method of air conditioner | |
| CN203024477U (en) | Ground source heat pump central air-conditioning hot water triple-generation unit | |
| CN202993410U (en) | Air conditioner outdoor unit with built-in auxiliary electric heater | |
| CN102692050A (en) | Ceiling-mounted passenger car variable-frequency air conditioner | |
| CN107940563B (en) | Machine and air conditioner in air conditioning | |
| CN102853601A (en) | Defrosting device of heat pump | |
| CN202329335U (en) | Condenser pipe, condenser and refrigerating and heating device | |
| CN213687346U (en) | Evaporation cold and hot pump unit | |
| CN201074924Y (en) | Water cold air source heat pump air conditioner | |
| KR100622604B1 (en) | Gas engine heating and cooling unit with accumulator integrated with heat exchanger | |
| CN210267488U (en) | An air source heat pump heating equipment | |
| CN102338592B (en) | Heat exchanger for heat pump of air conditioner | |
| CN102087056A (en) | Device for improving performance parameters of heat pump | |
| CN105823257A (en) | Efficient ice source heat pump unit | |
| CN205090558U (en) | Fluorine coil pipe driving side perpendicularly upwards air curtain of ejecting wind variable blast volume that induced drafts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160810 Termination date: 20190916 |