CN103363743A - Refrigerant heating device and air conditioner comprising same - Google Patents
Refrigerant heating device and air conditioner comprising same Download PDFInfo
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- CN103363743A CN103363743A CN2012100893638A CN201210089363A CN103363743A CN 103363743 A CN103363743 A CN 103363743A CN 2012100893638 A CN2012100893638 A CN 2012100893638A CN 201210089363 A CN201210089363 A CN 201210089363A CN 103363743 A CN103363743 A CN 103363743A
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- refrigerant heater
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 105
- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000004378 air conditioning Methods 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 5
- 238000009841 combustion method Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000027950 fever generation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The invention provides a refrigerant heating device and an air conditioner comprising the same, wherein the refrigerant heating device comprises a refrigerant heating section arranged in a refrigerant piping, the refrigerant heating section is provided with a refrigerant inflow end and a refrigerant outflow end, the refrigerant heating section is made of a magnetic heating material, an electromagnetic induction coil is wound outside the refrigerant heating section, and the electromagnetic induction coil is electrically connected with a power supply device. The electromagnetic heating device realizes the heating function of the refrigerant by winding the electromagnetic induction coil connected with the power supply device on the refrigerant heating section, has simple processing technology, can completely isolate electricity from the refrigerant, avoids the electrical safety problems of overheating dry burning, line breakdown and the like, and ensures the electrical safety and reliability.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of refrigerant heater and comprise the air-conditioning of this device.
Background technology
When air-conditioning refrigeration system moves under cryogenic conditions, refrigeration system evaporation and heat-exchange ability, refrigerant can't evaporate fully, can not absorb enough heats, and then cause air conditioner refrigeration effect poor, evaporating heat exchanger frosting or freeze, and the not enough and phenomenons such as Wet Compression that produce of the compressor air suction degree of superheat, therefore, the refrigeration of air-conditioning and reliability all are difficult to guarantee.
Notification number is to disclose a kind of refrigerant electric heating device in the utility model patent of CN201314734Y, this installs, and not only processing technology is complicated, and in the situation of refrigerant state (such as flow, temperature etc.) abnormal, uncontrollable heater surface temperature, cause the heater surface temperature to surpass the scope of application, even cause harmful phenomenons such as heating working medium generation cracking carbonization is rotten, therefore, the reliability of this device can't be guaranteed.
Summary of the invention
The present invention aims to provide a kind of refrigerant heater and comprises the air-conditioning of this device, to solve the technical problem of refrigerant heater poor reliability of the prior art and processing technology complexity.
To achieve these goals, according to an aspect of the present invention, a kind of refrigerant heater is provided, comprise the one section refrigerant heating pipeline section that is arranged in the coolant piping, refrigerant heating pipeline section has refrigerant and flows into end and refrigerant outflow end, refrigerant heating pipeline section is made by the magnetic exothermic material, and the outside of refrigerant heating pipeline section is wound with electromagnetic induction coil, and electromagnetic induction coil is electrically connected with supply unit.
Further, the magnetic exothermic material of refrigerant heating pipeline section is iron or steel.
Further, also comprise protection tube, protection tube is set in the outside of refrigerant heating pipeline section, and electromagnetic induction coil is wrapped in the outer surface of protection tube.
Further, protection tube is made by heat resistance material and/or magnetic exothermic material.
Further, the heat resistance material of protection tube and/or magnetic exothermic material are copper, steel or iron.
Further, supply unit is high intensity light source.
Further, be provided with temperature sensor in the position of the close refrigerant outflow end of coolant piping.
Further, temperature sensor is electrically connected with supply unit.
Further, supply unit comprises mainboard and power supply: mainboard receives the signal that temperature sensor transmits, and signal is processed, and the signal feedback after will processing is to power supply; Power supply is adjusted power according to the signal of temperature sensor feedback, is communicated with electromagnetic induction coil with the heating refrigerant heating tube section that generates electromagnetic waves.
Further, mainboard arranges upper critical temperature t
1, lower critical temperature t
2And target temperature value, the actual temperature that detects of temperature sensor deducts the temperature difference of target temperature value more than or equal to t
1State under, power supply reduces power output; The difference of the actual temperature that detects of target temperature value and temperature sensor is greater than t
2Less than t
1State under, the power output of power supply remains unchanged; The difference of the actual temperature that detects of target temperature value and temperature sensor is less than t
2State under, power supply rising power output.
Further, 0 ℃＜t
1≤ 1 ℃ ,-1 ℃≤t
2＜0 ℃.
Further, 0 ℃＜t
1≤ 0.5 ℃ ,-0.5 ℃≤t
2＜0 ℃.
Further, 0 ℃＜t
1≤ 0.2 ℃ ,-0.2 ℃≤t
2＜0 ℃.
Further, be provided with heat radiating structure in the pipe of refrigerant heating pipeline section.
Further, heat radiating structure is made by heat resistance material and/or magnetic exothermic material.
Further, the heat resistance material of heat radiating structure and/or magnetic exothermic material are steel or iron.
Further, heat radiating structure is comprised of stainless steel wire or the iron wire of many dispersions.
According to a further aspect in the invention, provide a kind of air-conditioning, had the refrigerant heater, wherein, the refrigerant heater is above-mentioned refrigerant heater.
Refrigerant heater of the present invention and comprise the air-conditioning of this device, by twining the electromagnetic induction coil that links to each other with supply unit at refrigerant heating pipeline section, realized the heating function to refrigerant, adopt this Electromagnetic Heating, not only processing technology is simple, and electricity and refrigerant can be kept apart fully, avoided the electrical safety problems such as overheated dry combustion method and circuit puncture, guaranteed electrical safety and reliability.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment one of refrigerant heater of the present invention;
Fig. 2 shows the perspective view of the embodiment one of refrigerant heater of the present invention; And
Fig. 3 shows the perspective view of the embodiment two of refrigerant heater of the present invention.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As depicted in figs. 1 and 2, refrigerant heater of the present invention, comprise the one section refrigerant heating pipeline section that is arranged in the coolant piping 1, refrigerant heating pipeline section has refrigerant and flows into end and refrigerant outflow end, refrigerant heating pipeline section is made by iron or steel equimagnetic heat pyrexia material, the outside of refrigerant heating pipeline section is wound with electromagnetic induction coil 2, and electromagnetic induction coil 2 is electrically connected with supply unit 3, is preferably high intensity light source.
Refrigerant heater of the present invention, owing to adopt Electromagnetic Heating, therefore do not need very complicated heating arrangement, need not increases auxiliary electric heater unit at the refrigeration system stream, and only twined electromagnetic induction coil 2 in the refrigerant heating pipeline section outside of fluid circulation, namely realized the heating function to refrigerant.
Specific embodiments of the invention are as follows:
Embodiment one:
As shown in Figure 1; refrigerant heater of the present invention; comprise the one section refrigerant heating pipeline section that is arranged in the coolant piping 1, the protection tube 4 that is set in refrigerant heating pipeline section outer surface; protection tube 4 is preferably made by the heat resistance materials such as stainless steel, copper or iron and/or magnetic exothermic material; outer surface at this protection tube 4 is wound with electromagnetic induction coil 2; electromagnetic induction coil 2 is electrically connected with high intensity light source; position at the close refrigerant outflow end of coolant piping 1 is provided with temperature sensor 5; preferably, high intensity light source is electrically connected with temperature sensor 5.High intensity light source comprises mainboard and high frequency electric source, mainboard receives the temperature signal that temperature sensor 5 transmits, after information processing, mainboard is sent to high frequency electric source with the temperature signal of feedback, high frequency electric source is selected suitable output frequency according to the temperature signal of feedback, adjust high frequency electric source power, electromagnetic induction coil 2 is generated electromagnetic waves, and then refrigerant heating pipeline section is heated.
The present invention heats refrigerant by the electromagnetism inductive coil, and is simple in structure, and the efficiency of heating surface is high, and is safe and reliable.In addition, in order to control heating-up temperature, the present invention is also by set temperature sensor 5 on the close position of refrigerant outflow end on the coolant piping 1, to detect the refrigerant temperature after heating, and then change the power stage of high frequency electric source, thereby accurately control adds heat and heating-up temperature, prevents that refrigerant temperature is overheated, has guaranteed the safety of device.
Embodiment two:
As shown in Figure 3, the present invention is on the basis of embodiment one, in order to improve the efficiency of heating surface of electromagnetic induction coil 2, in the refrigerant heating pipeline section of coolant piping 1, be provided with heat radiating structure 6, this heat radiating structure 6 is preferably made by the heat resistance materials such as steel or iron and/or magnetic exothermic material, and preferably heat radiating structure 6 is dispergated stainless steel wire by many or iron wire forms, and preferably, stainless steel wire, iron wire are cylinder.
Embodiment three:
The present invention is on the basis of embodiment two, for preventing the too continually output of Modulating Power of high frequency electric source, and the temperature of control refrigerant heater, the target temperature value Tm that the operator sets in high intensity light source in advance, target temperature value Tm and the temperature sensor 5 actual temperature T n that the detect temperature difference between the two are Δ T=Tn-Tm.
According to the actual heating needs of refrigerant, design temperature t
1Be upper critical heating-up temperature, t
2Be the lower critical heating-up temperature, wherein, 0 ℃＜t
1≤ 1 ℃ ,-1 ℃≤t
2＜0 ℃.Following control logic is set in the mainboard of high intensity light source:
1) as Δ T 〉=t
1The time, high frequency electric source reduces power output;
2) work as t
2＜Δ T＜t
1The time, the high frequency electric source power output remains unchanged;
3) as Δ T≤t
2℃, high frequency electric source is with the rising power output.
By the said temperature control logic, the outflow temperature of refrigerant is remained in the suitable scope, reach the purpose of accurate control refrigerant heating.
Embodiment four:
The present invention on the basis of embodiment three, design temperature t
1Be upper critical heating-up temperature, t
2Be the lower critical heating-up temperature, preferably 0 ℃＜t
1≤ 0.5 ℃ ,-0.5 ℃≤t
2＜0 ℃, other are identical with embodiment three, repeat no more herein.
Embodiment five:
The present invention on the basis of embodiment three, design temperature t
1Be upper critical heating-up temperature, t
2Be the lower critical heating-up temperature, preferably 0 ℃＜t
1≤ 0.2 ℃ ,-0.2 ℃≤t
2＜0 ℃, other are identical with embodiment three, repeat no more herein.
Embodiment six:
The present invention is on the basis of embodiment two, and in order to control the temperature of heater, the target temperature value Tm that the operator sets in high intensity light source in advance and the temperature sensor 5 actual temperature T n that the detect temperature difference between the two are Δ T=Tm-Tn.When Δ T＞0 ℃, high frequency electric source reduces power output; When Δ T=0 ℃, the high frequency electric source power output remains unchanged; When Δ T＜0 ℃, high frequency electric source remains on the rising power output in the suitable scope with the outflow temperature that makes refrigerant as far as possible.
The present invention also provides a kind of air-conditioning, and this air-conditioning has the refrigerant heater, and wherein, the refrigerant heater is above-mentioned refrigerant heater.
From above description, can find out, refrigerant heater of the present invention and comprise the air-conditioning of this device, by twining the electromagnetic induction coil 2 that links to each other with supply unit 3 at refrigerant heating pipeline section, realized the heating function to refrigerant, adopt this Electromagnetic Heating, not only processing technology is simple, and electricity and refrigerant can be kept apart fully, avoided the electrical safety problems such as overheated dry combustion method and circuit puncture, guaranteed electrical safety and reliability.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. refrigerant heater, comprise the one section refrigerant heating pipeline section that is arranged in the coolant piping (1), described refrigerant heating pipeline section has refrigerant and flows into end and refrigerant outflow end, it is characterized in that, described refrigerant heating pipeline section is made by the magnetic exothermic material, the outside of described refrigerant heating pipeline section is wound with electromagnetic induction coil (2), and described electromagnetic induction coil (2) is electrically connected with supply unit (3).
2. refrigerant heater according to claim 1 is characterized in that, the magnetic exothermic material of described refrigerant heating pipeline section is iron or steel.
3. refrigerant heater according to claim 1; it is characterized in that; also comprise protection tube (4), described protection tube (4) is set in the outside of described refrigerant heating pipeline section, and described electromagnetic induction coil (2) is wrapped in the outer surface of described protection tube (4).
4. refrigerant heater according to claim 3 is characterized in that, described protection tube (4) is made by heat resistance material and/or magnetic exothermic material.
5. refrigerant heater according to claim 4 is characterized in that, the heat resistance material of described protection tube (4) and/or described magnetic exothermic material are copper, steel or iron.
6. refrigerant heater according to claim 1 is characterized in that, described supply unit (3) is high intensity light source.
7. each described refrigerant heater is characterized in that according to claim 1-6, is provided with temperature sensor (5) in the position of the close described refrigerant outflow end of described coolant piping (1).
8. refrigerant heater according to claim 7 is characterized in that, described temperature sensor (5) is electrically connected with described supply unit (3).
9. refrigerant heater according to claim 8, it is characterized in that, described supply unit (3) comprises mainboard and power supply: described mainboard receives the temperature signal that described temperature sensor (5) transmits, described temperature signal is processed, and the described temperature signal after will processing feeds back to described power supply;
The described temperature signal that described power supply feeds back according to described temperature sensor (5) is adjusted the power output of described power supply, is communicated with described electromagnetic induction coil (2) with the described refrigerant heating of the heating that generates electromagnetic waves pipeline section.
10. refrigerant heater according to claim 9 is characterized in that, described mainboard arranges upper critical temperature t
1, lower critical temperature t
2And target temperature value,
The actual temperature that detects of described temperature sensor (5) deducts the temperature difference of described target temperature value more than or equal to t
1State under, described power supply reduces power output;
The difference of described target temperature value and the actual temperature that detects of described temperature sensor (5) is greater than t
2Less than t
1State under, the power output of described power supply remains unchanged;
The difference of described target temperature value and the actual temperature that detects of described temperature sensor (5) is less than t
2State under, described power supply rising power output.
11. refrigerant heater according to claim 10 is characterized in that, 0 ℃＜t
1≤ 1 ℃ ,-1 ℃≤t
2＜0 ℃.
12. refrigerant heater according to claim 11 is characterized in that, 0 ℃＜t
1≤ 0.5 ℃ ,-0.5 ℃≤t
2＜0 ℃.
13. refrigerant heater according to claim 12 is characterized in that, 0 ℃＜t
1≤ 0.2 ℃ ,-0.2 ℃≤t
2＜0 ℃.
14. refrigerant heater according to claim 1 is characterized in that, is provided with heat radiating structure (6) in the pipe of described refrigerant heating pipeline section.
15. refrigerant heater according to claim 14 is characterized in that, described heat radiating structure (6) is made by heat resistance material and/or magnetic exothermic material.
16. refrigerant heater according to claim 15 is characterized in that, the heat resistance material of described heat radiating structure (6) and/or described magnetic exothermic material are steel or iron.
17. refrigerant heater according to claim 16 is characterized in that, described heat radiating structure (6) is comprised of stainless steel wire or the iron wire of many dispersions.
18. an air-conditioning has the refrigerant heater, it is characterized in that, described refrigerant heater is each described refrigerant heater among the claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100893638A CN103363743A (en) | 2012-03-29 | 2012-03-29 | Refrigerant heating device and air conditioner comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100893638A CN103363743A (en) | 2012-03-29 | 2012-03-29 | Refrigerant heating device and air conditioner comprising same |
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| Publication Number | Publication Date |
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| CN103363743A true CN103363743A (en) | 2013-10-23 |
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| CN2012100893638A Pending CN103363743A (en) | 2012-03-29 | 2012-03-29 | Refrigerant heating device and air conditioner comprising same |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791969A (en) * | 2015-04-30 | 2015-07-22 | 广东美的制冷设备有限公司 | Temperature compensation device and air-conditioner |
| CN108759209A (en) * | 2018-07-11 | 2018-11-06 | 陈展伟 | The equipment of electromagnetic type refrigerant heat-exchange device, dehumidification device and application dehumidification device |
| CN109974130A (en) * | 2019-04-08 | 2019-07-05 | 广东美的暖通设备有限公司 | Heater assembly and air-conditioner outdoor unit with it |
| CN110469981A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469979A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
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| CN110469975A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
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| CN110469988A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469971A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
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| CN110469982A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469972A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196507Y (en) * | 2008-05-01 | 2009-02-18 | 杨迈 | Heating mechanism of digital frequency conversion electromagnetic heat pump air conditioner |
| CN201314734Y (en) * | 2008-12-03 | 2009-09-23 | 广东美的电器股份有限公司 | Refrigerant electric heating device |
| CN101858631A (en) * | 2009-04-10 | 2010-10-13 | 乐金电子(天津)电器有限公司 | Method for controlling defrosting operation of air conditioner with induction heater |
| CN202648277U (en) * | 2012-03-29 | 2013-01-02 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner comprising same |
-
2012
- 2012-03-29 CN CN2012100893638A patent/CN103363743A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196507Y (en) * | 2008-05-01 | 2009-02-18 | 杨迈 | Heating mechanism of digital frequency conversion electromagnetic heat pump air conditioner |
| CN201314734Y (en) * | 2008-12-03 | 2009-09-23 | 广东美的电器股份有限公司 | Refrigerant electric heating device |
| CN101858631A (en) * | 2009-04-10 | 2010-10-13 | 乐金电子(天津)电器有限公司 | Method for controlling defrosting operation of air conditioner with induction heater |
| CN202648277U (en) * | 2012-03-29 | 2013-01-02 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner comprising same |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791969A (en) * | 2015-04-30 | 2015-07-22 | 广东美的制冷设备有限公司 | Temperature compensation device and air-conditioner |
| CN104791969B (en) * | 2015-04-30 | 2017-10-13 | 广东美的制冷设备有限公司 | Temperature compensation means and air conditioner |
| CN108759209A (en) * | 2018-07-11 | 2018-11-06 | 陈展伟 | The equipment of electromagnetic type refrigerant heat-exchange device, dehumidification device and application dehumidification device |
| CN109974130A (en) * | 2019-04-08 | 2019-07-05 | 广东美的暖通设备有限公司 | Heater assembly and air-conditioner outdoor unit with it |
| CN109974130B (en) * | 2019-04-08 | 2024-05-07 | 广东美的暖通设备有限公司 | Heater assembly and air conditioner outdoor unit with same |
| CN110469973A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469971A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469970A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469975A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469978A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469972B (en) * | 2019-07-25 | 2022-12-20 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN110469973B (en) * | 2019-07-25 | 2022-12-20 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN110469972A (en) * | 2019-07-25 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469987A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469988A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469985A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469982A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469980A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469982B (en) * | 2019-07-26 | 2022-07-19 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN110469986A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469979A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
| CN110469981A (en) * | 2019-07-26 | 2019-11-19 | 青岛海尔空调器有限总公司 | For the control method of air-conditioner defrosting, device and air-conditioning |
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