CN105276750A - Air conditioning outdoor unit and control method thereof, and air conditioner - Google Patents
Air conditioning outdoor unit and control method thereof, and air conditioner Download PDFInfo
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- CN105276750A CN105276750A CN201410293801.1A CN201410293801A CN105276750A CN 105276750 A CN105276750 A CN 105276750A CN 201410293801 A CN201410293801 A CN 201410293801A CN 105276750 A CN105276750 A CN 105276750A
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Abstract
The invention discloses an air conditioning outdoor unit and a control method thereof, and an air conditioner. The control method for the air conditioning outdoor unit comprises the following steps: S1, when an outdoor fan stops operation, detecting outdoor environment temperature T and down time t of the outdoor fan, and comparing the detected outdoor environment temperature T with set temperature a; S2, when T<a, detecting whether the down time of the outdoor fan reaches first preset time T1; when T>=a, continuing to comparing the T with a; S3, when t>=T1, controlling the outdoor fan to operate for second preset time Ta; when t<T1, controlling an indoor fan to keep a stop operation state. According to the control method of the air conditioning outdoor unit, damages of the motor of the outdoor fan caused by too thick snow are prevented, and blades are prevented from being broken by too thick snow. The appearance of the outdoor unit is not changed, so that aesthetics of a building after installation of the air conditioning outdoor unit would not be influenced.
Description
Technical field
The present invention relates to refrigerating field, especially relate to a kind of air-conditioner outdoor unit and control method, air-conditioner.
Background technology
Air-conditioner outdoor unit (top air-out or tiltedly air-out unit) is in stopping process; off-premises station blower fan quits work; on the blade that just there will be off-premises station top particularly fan blade in the snowy situation in outdoor, the problem, the particularly north of accumulated snow wait cold district particularly serious.After on off-premises station fan blade, accumulated snow acquires a certain degree, the fan starting moment of air-conditioner outdoor unit strengthens and easily causes off-premises station burn-down of electric motor, if fan blade also can be caused time accumulated snow degree is even more serious to smash.
Solving the main method of accumulated snow on fan blade in correlation technique is artificially increase a snowshed for off-premises station after off-premises station installs, and snowflake cannot be scattered on the fan blade at off-premises station top.But this method increase cost, and whether outdoor has the installing space of snowshed to there is uncertainty, the building after installing is attractive in appearance to be affected by very large simultaneously.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.
For this reason, one object of the present invention is the control method proposing a kind of air-conditioner outdoor unit, avoids accumulated snow blocked up and makes the increasing of outdoor fan staring torque cause motor damage, avoiding the blocked up fan blade of smashing of accumulated snow, and do not affect architectural appearance.
Another object of the present invention is to propose a kind of air-conditioner outdoor unit.
Another object of the present invention is to propose a kind of air-conditioner with air-conditioner outdoor unit.
According to the control method of the air-conditioner outdoor unit of the embodiment of the present invention, comprise the steps: S1: when outdoor fan is out of service, detect t downtime of outdoor environment temperature T and described outdoor fan, and will detect that described outdoor environment temperature T and design temperature a compares; S2: as T < a, whether t downtime detecting described outdoor fan reaches the first scheduled time T1; As T >=a, continue T and a to compare; S3: as t >=T1, controls described outdoor fan and runs the second scheduled time Ta; As t < T1, control described indoor fan and keep run-stopping status.
According to the control method of the air-conditioner outdoor unit of the embodiment of the present invention; by detecting outdoor environment temperature to judge outdoor whether snowfall; then the downtime of outdoor fan and first scheduled time are compared; after reaching for first scheduled time downtime, open outdoor fan remove the snow; thus the accumulated snow can removed in time when snowfall on outdoor fan; avoid because the accumulated snow on outdoor fan is blocked up and make outdoor fan staring torque strengthen to cause the motor damage of outdoor fan, can also avoid because accumulated snow is blocked up and smash fan blade.Simultaneously by adopt this control method remove the snow, the outward appearance of off-premises station do not change thus can not affect air-conditioner outdoor unit install after building attractive in appearance.
Particularly, temperature temperature-sensitive bag is adopted to detect described outdoor environment temperature.
According to the air-conditioner outdoor unit of the embodiment of the present invention, comprising: outdoor fan; For detecting the checkout gear of outdoor environment temperature; Off-premises station mainboard; described off-premises station mainboard is connected with described checkout gear with described outdoor fan; described off-premises station mainboard can judge downtime and the running time of described outdoor fan; wherein when described outdoor fan is out of service; when described checkout gear detect described outdoor environment temperature lower than design temperature and the downtime of described outdoor fan reached for first scheduled time time, described off-premises station mainboard controls described outdoor fan and ran for second scheduled time.
According to the air-conditioner outdoor unit of the embodiment of the present invention, by being provided with the checkout gear for detecting outdoor environment temperature, the testing result of checkout gear and design temperature compare to judge whether outdoor exists snowy possibility by off-premises station mainboard, outdoor fan is opened to remove the snow when reaching for first scheduled time downtime when there is snowy possibility then at outdoor fan, thus the accumulated snow can removed in time when snowfall on outdoor fan, avoid because the accumulated snow on outdoor fan is blocked up and make outdoor fan staring torque strengthen to cause the motor damage of outdoor fan, can also avoid because accumulated snow is blocked up and smash fan blade.Simultaneously by adopt this control method remove the snow, the outward appearance of off-premises station do not change thus can not affect air-conditioner outdoor unit install after building attractive in appearance.
In some embodiments of the invention, described off-premises station mainboard is provided with and arranges button for what set described first scheduled time and described second scheduled time.
Further, the described button that arranges comprises first group of button for setting described first scheduled time and second group of button for setting described second scheduled time.
Alternatively, the described button that arranges is toggle switch.
Alternatively, described checkout gear is temperature temperature-sensitive bag.
According to the air-conditioner of the embodiment of the present invention, comprise air-conditioner outdoor unit according to the above embodiment of the present invention.
According to the air-conditioner of the embodiment of the present invention, by being provided with above-mentioned air-conditioner outdoor unit, thus can avoid because the accumulated snow on fan blade is blocked up and make outdoor fan staring torque strengthen to cause the motor damage of outdoor fan, can also avoid because accumulated snow is blocked up and smash fan blade.
Accompanying drawing explanation
Fig. 1 is the flow chart of the control method of air-conditioner outdoor unit according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the air-conditioner outdoor unit according to the embodiment of the present invention;
Fig. 3 is the schematic diagram of the off-premises station mainboard of air-conditioner outdoor unit according to the embodiment of the present invention;
Fig. 4 is the flow chart of the control method of air-conditioner outdoor unit according to the specific embodiment of the invention.
Reference numeral:
Air-conditioner outdoor unit 100,
Outdoor fan 1, checkout gear 2, off-premises station mainboard 3, button 4, first group of button 40, second group of button 41, compressor 5, outdoor heat exchanger 6, cross valve 7, low pressure tank 8.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The control method according to the air-conditioner outdoor unit of the embodiment of the present invention is described in detail below with reference to Fig. 1.Wherein air-conditioner outdoor unit comprises the element such as outdoor fan, off-premises station mainboard, and outdoor fan comprises fan blade and motor.
As shown in Figure 1, according to the control method of the air-conditioner outdoor unit of the embodiment of the present invention, comprise the steps:
S1: when outdoor fan is out of service; detect t downtime of outdoor environment temperature T and outdoor fan; and will detect that outdoor environment temperature T and design temperature a compares; alternatively; temperature temperature-sensitive bag can be adopted to detect outdoor environment temperature T, and off-premises station mainboard judges t downtime of outdoor fan simultaneously.Need to be described, design temperature a can for presetting in the control system of air-conditioner outdoor unit, and design temperature a also can be user oneself setting, and the value of design temperature a is not specifically limited simultaneously.
S2: then represent that outdoor exists snowy possibility as T < a, whether t downtime detecting outdoor fan reaches the first scheduled time T1.
Then represent as T >=a outdoor do not exist snowy may, continue T and a to compare until T < a time, detection outdoor fan t downtime whether reach the first scheduled time T1.
S3: as t >=T1, controls outdoor fan and runs the second scheduled time Ta, and in other words, as t >=T1, outdoor fan runs with the accumulated snow that blows off, and the time of snow removing is the second scheduled time Ta, and after the second scheduled time Ta, outdoor fan is out of service, and snow removing terminates.
As t < T1, control room inner blower keep run-stopping status until t >=T1 time, outdoor fan brings into operation.
Specifically, when outdoor fan is out of service, start t downtime detecting outdoor environment temperature T and outdoor fan, will detect that outdoor environment temperature T and design temperature a compares simultaneously.
When detecting that outdoor environment temperature T is less than design temperature a, representing that outdoor exists snowy possibility, then the t and the first scheduled time T1 downtime of outdoor fan being compared.
Then represent that the accumulated snow on outdoor fan does not reach the condition of snow removing when downtime when t does not reach the first scheduled time T1, continue t and the first scheduled time T1 downtime to compare until t downtime reaches the first scheduled time T1.
When downtime, t reached the first scheduled time T1; the thickness of the accumulated snow then represented on outdoor fan reaches the condition of snow removing; outdoor fan brings into operation to remove the snow; after outdoor fan runs the second scheduled time Ta; outdoor fan is out of service; represent that snow removing terminates, complete a snow removing stage, get back to step S1 afterwards and carry out reciprocation cycle.
Need to be described, t downtime compared with the first scheduled time T1 refers to the continuous downtime of outdoor fan, as long as outdoor fan brings into operation, then downtime, t made zero.
What also need to be described is, first scheduled time T1 and the second scheduled time Ta can be the time of presetting in air conditioner outdoor unit system, first scheduled time T1 and the second scheduled time Ta can also be user oneself setting, particularly, user the snowfall situation different according to slight snow, heavy snow etc. can set the first scheduled time T1 and the second scheduled time Ta, such as when snowfall is slight snow, the first scheduled time T1 is set as T11, and the second scheduled time Ta is set as Ta1.When snowfall is heavy snow, the first scheduled time T1 is set as T12, and the second scheduled time Ta is set as Ta2, then T11 > T12, Ta1 < Ta2, namely snowfall is larger, first scheduled time T1 is shorter, and the second scheduled time Ta is longer.
According to the control method of the air-conditioner outdoor unit of the embodiment of the present invention; by detecting outdoor environment temperature T to judge outdoor whether snowfall; then the t and the first scheduled time T1 downtime of outdoor fan is compared; downtime t open outdoor fan after reaching the first scheduled time T1 and remove the snow; thus the accumulated snow can removed in time when snowfall on outdoor fan; avoid because the accumulated snow on outdoor fan is blocked up and make outdoor fan staring torque strengthen to cause the motor damage of outdoor fan, can also avoid because accumulated snow is blocked up and smash fan blade.Simultaneously by adopt this control method remove the snow, the outward appearance of off-premises station do not change thus can not affect air-conditioner outdoor unit install after building attractive in appearance.
The air-conditioner outdoor unit 100 according to the embodiment of the present invention is described in detail below with reference to Fig. 2-Fig. 4.
As shown in Figure 2, according to the air-conditioner outdoor unit 100 of the embodiment of the present invention, comprising: outdoor fan 1, for detecting checkout gear 2 and the off-premises station mainboard 3 of outdoor environment temperature.Alternatively, checkout gear 2 is temperature temperature-sensitive bag.
Off-premises station mainboard 3 is connected with checkout gear 2 with outdoor fan 1; off-premises station mainboard 3 can judge downtime and the running time of outdoor fan 1; wherein when outdoor fan 1 is out of service; when checkout gear 2 detect outdoor environment temperature lower than design temperature and the downtime of outdoor fan 1 reached for first scheduled time time, off-premises station mainboard 3 controls outdoor fan 1 and ran for second scheduled time.
Specifically, after outdoor fan 1 is out of service, off-premises station mainboard 3 detects outdoor environment temperature T by checkout gear 2, outdoor environment temperature T and design temperature a compares to judge whether T >=a sets up by off-premises station mainboard 3, if set up, do not possess snowy possibility, outdoor environment temperature T and design temperature a continue to compare until T >=a is false by off-premises station mainboard 3, and namely T < a sets up.
If off-premises station mainboard 3 judges that T >=a is false; namely when T < a sets up; then off-premises station mainboard 3 starts to judge whether t downtime of outdoor fan 1 reaches the first scheduled time T1; if t downtime is less than the first scheduled time T1, then continue to wait for until t downtime reaches the first scheduled time T1.
If t downtime reaches the first scheduled time T1, then off-premises station mainboard 3 controls outdoor fan 1 and runs the second scheduled time Ta, completes the action that once removes the snow.Continue afterwards to detect outdoor environment temperature T with the action that removes the snow next time.Wherein when outdoor fan 1 runs, outdoor fan 1 runs according to fixing windscreen.
What needs were described is, air-conditioner outdoor unit 100 also comprises the elements such as compressor 5, cross valve 7, outdoor heat exchanger 6 and low pressure tank 8, compressor 5, cross valve 7, annexation etc. between outdoor heat exchanger 6 and low pressure tank 8 are prior art, are just not described in detail here.
According to the air-conditioner outdoor unit 100 of the embodiment of the present invention, by being provided with the checkout gear 2 for detecting outdoor environment temperature, the testing result of checkout gear 2 and design temperature a compare to judge whether outdoor exists snowy possibility by off-premises station mainboard 3, outdoor fan 1 is then opened when the downtime of outdoor fan 1 reached for first scheduled time to remove the snow when there is snowy possibility, thus the accumulated snow can removed in time when snowfall on outdoor fan 1, avoid because the accumulated snow on outdoor fan 1 is blocked up and make outdoor fan 1 staring torque strengthen to cause the motor damage of outdoor fan 1, can also avoid because accumulated snow is blocked up and smash fan blade.Simultaneously by adopt this control method remove the snow, the outward appearance of off-premises station do not change thus can not affect air-conditioner outdoor unit 100 install after building attractive in appearance.
In some embodiments of the invention, off-premises station mainboard 3 is provided with and arranges button 4 for what set first scheduled time and second scheduled time.Thus be convenient to user and set first scheduled time and second scheduled time.Preferably, button 4 is set for toggle switch.
As shown in Figure 3, in concrete examples more of the present invention, button 4 is set and comprises first group of button 40 for setting for first scheduled time and second group of button 41 for setting for second scheduled time.Thus be convenient to user further and set first scheduled time and second scheduled time.
In other examples of the present invention, button 4 is set and is only one group, by arranging one of them that button 4 arranges in first scheduled time and second scheduled time, specifically, many groups time group is preset with in off-premises station mainboard 3, often organize concrete numerical value and the concrete numerical value of corresponding second scheduled time that time group comprises first scheduled time, the numerical value of the concrete numerical value different second then corresponding scheduled time of first scheduled time is also different, when by arranging the concrete numerical value of one of them that button 4 arranges in first scheduled time and second scheduled time, another the concrete numerical value in first scheduled time and second scheduled time can be obtained in off-premises station mainboard 3.
According to the air-conditioner of the embodiment of the present invention, comprise air-conditioner outdoor unit 100 according to the above embodiment of the present invention.
According to the air-conditioner of the embodiment of the present invention, by being provided with above-mentioned air-conditioner outdoor unit 100, thus can avoid because the accumulated snow on fan blade is blocked up and make outdoor fan 1 staring torque strengthen to cause the motor damage of outdoor fan 1, can also avoid because accumulated snow is blocked up and smash fan blade.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (8)
1. a control method for air-conditioner outdoor unit, is characterized in that, comprises the steps:
S1: when outdoor fan is out of service, detects t downtime of outdoor environment temperature T and described outdoor fan, and will detect that described outdoor environment temperature T and design temperature a compares;
S2: as T < a, whether t downtime detecting described outdoor fan reaches the first scheduled time T1;
As T >=a, continue T and a to compare;
S3: as t >=T1, controls described outdoor fan and runs the second scheduled time Ta;
As t < T1, control described indoor fan and keep run-stopping status.
2. the control method of air-conditioner outdoor unit according to claim 1, is characterized in that, adopts temperature temperature-sensitive bag to detect described outdoor environment temperature.
3. an air-conditioner outdoor unit, is characterized in that, comprising:
Outdoor fan;
For detecting the checkout gear of outdoor environment temperature;
Off-premises station mainboard; described off-premises station mainboard is connected with described checkout gear with described outdoor fan; described off-premises station mainboard can judge downtime and the running time of described outdoor fan; wherein when described outdoor fan is out of service; when described checkout gear detect described outdoor environment temperature lower than design temperature and the downtime of described outdoor fan reached for first scheduled time time, described off-premises station mainboard controls described outdoor fan and ran for second scheduled time.
4. air-conditioner outdoor unit according to claim 3, is characterized in that, described off-premises station mainboard is provided with and arranges button for what set described first scheduled time and described second scheduled time.
5. air-conditioner outdoor unit according to claim 4, is characterized in that, the described button that arranges comprises first group of button for setting described first scheduled time and second group of button for setting described second scheduled time.
6. air-conditioner outdoor unit according to claim 4, is characterized in that, the described button that arranges is toggle switch.
7. air-conditioner outdoor unit according to claim 3, is characterized in that, described checkout gear is temperature temperature-sensitive bag.
8. an air-conditioner, is characterized in that, comprises the air-conditioner outdoor unit according to any one of claim 3-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293801.1A CN105276750A (en) | 2014-06-25 | 2014-06-25 | Air conditioning outdoor unit and control method thereof, and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410293801.1A CN105276750A (en) | 2014-06-25 | 2014-06-25 | Air conditioning outdoor unit and control method thereof, and air conditioner |
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| CN105276750A true CN105276750A (en) | 2016-01-27 |
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| CN201410293801.1A Pending CN105276750A (en) | 2014-06-25 | 2014-06-25 | Air conditioning outdoor unit and control method thereof, and air conditioner |
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Cited By (11)
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| CN106247478A (en) * | 2016-09-30 | 2016-12-21 | 广东美的制冷设备有限公司 | The snow-removing device of a kind of air-conditioner outdoor unit and control method, air-conditioner outdoor unit |
| CN106338130A (en) * | 2016-09-30 | 2017-01-18 | 广东美的制冷设备有限公司 | Snow removal control method for air conditioner outdoor unit |
| CN106871368A (en) * | 2017-03-13 | 2017-06-20 | 珠海格力电器股份有限公司 | The control method of air-conditioner set, device and air-conditioner set |
| CN107062522A (en) * | 2017-02-07 | 2017-08-18 | 广东美的暖通设备有限公司 | Accumulated snow detection means, method and air-conditioning system |
| CN107975915A (en) * | 2017-11-09 | 2018-05-01 | 广东美的暖通设备有限公司 | Control method, device and the computer-readable recording medium of air conditioner |
| CN110440388A (en) * | 2019-07-31 | 2019-11-12 | 广东志高暖通设备股份有限公司 | A kind of control method of the air-conditioner outdoor unit snow defence deposition of double monitorings |
| CN110440387A (en) * | 2019-07-31 | 2019-11-12 | 广东志高暖通设备股份有限公司 | A kind of control method of list wind direction air-conditioner outdoor unit snow defence deposition |
| CN110578982A (en) * | 2019-07-31 | 2019-12-17 | 广东志高暖通设备股份有限公司 | control method for preventing snow deposition of outdoor unit of air conditioner with double wind directions |
| CN111854059A (en) * | 2020-07-15 | 2020-10-30 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing snow accumulation of air conditioner, air conditioner and storage medium |
| CN115183399A (en) * | 2021-04-07 | 2022-10-14 | 广东美的暖通设备有限公司 | Snow prevention control method and device for air conditioner outdoor unit and air conditioner |
| WO2023089679A1 (en) * | 2021-11-17 | 2023-05-25 | 三菱電機株式会社 | Outdoor unit of air conditioner, and method for controlling outdoor unit of air conditioner |
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| CN110440387A (en) * | 2019-07-31 | 2019-11-12 | 广东志高暖通设备股份有限公司 | A kind of control method of list wind direction air-conditioner outdoor unit snow defence deposition |
| CN110578982A (en) * | 2019-07-31 | 2019-12-17 | 广东志高暖通设备股份有限公司 | control method for preventing snow deposition of outdoor unit of air conditioner with double wind directions |
| CN110440388A (en) * | 2019-07-31 | 2019-11-12 | 广东志高暖通设备股份有限公司 | A kind of control method of the air-conditioner outdoor unit snow defence deposition of double monitorings |
| CN111854059A (en) * | 2020-07-15 | 2020-10-30 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing snow accumulation of air conditioner, air conditioner and storage medium |
| CN111854059B (en) * | 2020-07-15 | 2022-03-08 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing snow accumulation of air conditioner, air conditioner and storage medium |
| CN115183399A (en) * | 2021-04-07 | 2022-10-14 | 广东美的暖通设备有限公司 | Snow prevention control method and device for air conditioner outdoor unit and air conditioner |
| WO2023089679A1 (en) * | 2021-11-17 | 2023-05-25 | 三菱電機株式会社 | Outdoor unit of air conditioner, and method for controlling outdoor unit of air conditioner |
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