CN109612054A - A kind of deicing control method of chassis of outdoor unit of air conditioner - Google Patents
A kind of deicing control method of chassis of outdoor unit of air conditioner Download PDFInfo
- Publication number
- CN109612054A CN109612054A CN201811535538.7A CN201811535538A CN109612054A CN 109612054 A CN109612054 A CN 109612054A CN 201811535538 A CN201811535538 A CN 201811535538A CN 109612054 A CN109612054 A CN 109612054A
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- Prior art keywords
- ice
- outdoor unit
- pressure sensor
- chassis
- air
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Landscapes
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of deicing control methods of chassis of outdoor unit of air conditioner, it include the first pressure sensor in bottom plate of outdoor unit side wall surface, second pressure sensor near bottom plate of outdoor unit discharge outlet and the electric heating mould group at bottom plate of outdoor unit are controlled the starting of electric heating module using first pressure sensor and are controlled the closing of electric heating module using second pressure sensor, the control to chassis anti-ice operation is carried out using pressure sensor, it is allowed to control more accurate, it can be improved air conditioning performance, it ensure that system reliability of operation, and deicing effect and energy-saving effect are excellent compared with conventional temperature control methods.
Description
Technical field
The present invention relates to the technical fields of refrigeration equipment, refer in particular to a kind of deicing controlling party of chassis of outdoor unit of air conditioner
Method.
Background technique
Since air conditioner is in low-temperature heating, condenser has frost, and at this moment system can enter defrost state, therefore meeting
There is condensed water to flow to bottom plate of outdoor unit along condenser, then is drained by outer machine chassis drainage hole.And at this time outdoor environment temperature compared with
Low, the condensed water that may cause on chassis congeals into ice, and in Extreme Ice snowy day gas, part ice and snow be also possible to by
Wind is blown into chassis of outdoor unit of air conditioner, and above-mentioned condition will lead to following consequence: (1) freezing and block drainage hole, cause cold
Condensate is persistently hoarded；(2) condensed water hoarded is more and more, and the ice cube of condensation is more and more thicker, and less serious case withstands heat exchanger fin, wing
Piece deformation, severe one and fan blade frictional impact, there is security risk；(3) defrosting effect is even influenced, and then influences heat exchange efficiency, shadow
Ring the comfort and service life that air-conditioning uses.
Currently available technology mainly acts acquisition associated temperature according to outdoor unit heat exchanger defrosting, is indirectly controlled
Chassis deicing, surrounding or bottom plate upper heater part on chassis are adding temperature sensor, temperature sensing close to tray bottom
Device collects outdoor environment temperature, carries out the control to heater further according to the temperature signal that the sensor is transmitted, heating is melted
Ice.And the control to chassis heater is carried out using temperature, technology drawback point is, air conditioner is close to change during defrost
The temperature fluctuation of air is larger near hot device, thus will affect the accuracy of heating device starting, will cause chassis defrost and do not do
Only, heater opens or closes for no reason, wastes the adverse effects such as electric energy.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of deicing for chassis of outdoor unit of air conditioner
Effect is good, energy-saving effect becomes apparent from and controls accurate deicing control method.
In order to achieve the above purpose, the deicing control method of a kind of chassis of outdoor unit of air conditioner provided by the present invention,
It include the first pressure sensor in bottom plate of outdoor unit side wall surface, the second pressure near bottom plate of outdoor unit discharge outlet
Force snesor and the electric heating mould group at bottom plate of outdoor unit, wherein the deicing control method includes following steps:
Step S1. air-conditioning system runs heating mode, detects outdoor environment temperature Tw, and judge detected outdoor environment temperature
Whether degree Tw is less than preset temperature value T1, if so, into next step；If it is not, then end ice operates；
Whether step S2. detection air-conditioning system first enters heating mode, if so, force start electric heating, runs scheduled
Compulsory withdrawal is heated after time N1, enters back into next step；If it is not, being directly entered next step；
Step S3. judges whether air-conditioning system is in defrost pattern, if so, into next step；If it is not, terminating then end
Ice operation；
Step S4. first pressure sensor has detected whether pressure signal, if so, then lasting being electrically heated ice, and enter
Next step；If nothing, the operation of end ice；
Step S5. second pressure sensor has detected whether pressure signal, if so, then lasting being electrically heated ice, and
Two pressure sensors persistently detect pressure signal；If nothing, the operation of end ice.
Further, when air-conditioning system is in and changes ice operation, second pressure sensor is all examined in presetting time N2
Pressure signal is measured, then compulsory withdrawal ice operates.
Further, when air-conditioning system is in and changes ice operation, second pressure sensor is in malfunction, then in electric heating
Change compulsory withdrawal ice after ice continues presetization ice time N3 to operate.
Further, when air-conditioning system is in defrost pattern, first pressure sensor is in malfunction, then enforced opening
Electric heating ice, and compulsory withdrawal ice operates after presetization ice time N3.
Further, it is between defrost pattern and being electrically heated ice age in air-conditioning system, if user carries out power-off operation,
Then the operation of making ice is postponing scheduled time N3 backed off after random.
Further, it is between defrost pattern and being electrically heated ice age in air-conditioning system, if user cuts operational mode
When shifting to non-heating mode, then the operation of making ice is postponing scheduled time N3 backed off after random.
Further, height of the first pressure sensor between the bottom of bottom plate of outdoor unit is distance S, wherein
Distance S is 2-5mm.
Further, the distance between described second pressure sensor distance bottom plate of outdoor unit discharge outlet is distance M, wherein
Distance M is 4-10cm.
The present invention uses above-mentioned scheme, the beneficial effect is that: electric heating mould is controlled using first pressure sensor
The starting of block and the closing that electric heating module is controlled using second pressure sensor, are carried out using pressure sensor to chassis
The control of anti-ice operation, is allowed to control more accurate, can be improved air conditioning performance, ensure that system reliability of operation, and
Deicing effect and energy-saving effect are excellent compared with conventional temperature control methods.
Detailed description of the invention
Fig. 1 is the control logic flow chart of deicing control method.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below.
Referring to figure 1, in the present embodiment, a kind of deicing control method of chassis of outdoor unit of air conditioner, pass through by
First pressure sensor, second pressure sensor and electric heating Mo Zu are installed to bottom plate of outdoor unit in advance respectively, that is, include
First pressure sensor in bottom plate of outdoor unit side wall surface, the sensing of the second pressure near bottom plate of outdoor unit discharge outlet
Device and the electric heating mould group at bottom plate of outdoor unit, wherein bottom of the first pressure sensor apart from bottom plate of outdoor unit it
Between height be distance S, wherein distance S be 2-5mm；Between second pressure sensor distance bottom plate of outdoor unit discharge outlet away from
From for distance M, wherein distance M is 4-10cm, and first pressure sensor and second pressure sensor actual installation position can be by realities
Border bottom plate of outdoor unit specification is determined.
When outdoor unit is under low temperature environment, once the drainage hole of bottom plate of outdoor unit is blocked because condensing water condensation,
Condensed water at this time, which can constantly be hoarded on bottom plate of outdoor unit, to be increased, and the ice thickness condensed constantly thickens, when thickening to distance S
When, ice sheet can touch first pressure sensor, and first pressure sensor at this time, which can incude, detects a pressure signal,
That is, indicating that ice layer thickness reaches the requirement for needing anti-ice operation, so that electric heating mould group being electrically heated ice can be started, just
It realizes using first pressure sensor and controls the starting of electric heating module.And with electric heating module persistent fever, ice cube
No longer clogging drainage hole is melted, ice cube at this time is fused into water and constantly drains from drainage hole, operates progress with ice is changed
Time is longer, and pressure suffered by second pressure sensor can be gradually reduced, until the melt water of bottom plate of outdoor unit all excludes completely
When, second pressure sensor no longer detects pressure signal at this time, is to have rung to utilize the so that electric heating module can be closed
Two pressure sensors control the closing of electric heating module.In this way, avoid bottom plate of outdoor unit without ice deicing or
There is the awkward situation that ice does not remove, solve the phenomenon that inappropriate time point opening or closing heater and causing energy waste,
Air conditioner is run beneficial.
For the ease of the understanding of those skilled in the art, spy is described further specific deicing control method.
The deicing control method includes following steps:
Step S1. air-conditioning system runs heating mode, detects outdoor environment temperature Tw, and judge detected outdoor environment temperature
Whether degree Tw is less than preset temperature value T1, if so, into next step；If it is not, then end ice operates.
Whether step S2. detection air-conditioning system first enters heating mode, if so, force start electric heating, operation is pre-
Compulsory withdrawal is heated after fixed time N1, enters back into next step；If it is not, being directly entered next step.
Step S3. judges whether air-conditioning system is in defrost pattern, if so, into next step；If it is not, terminating then to tie
The operation of fasciculation ice.
Step S4. first pressure sensor has detected whether pressure signal, if so, then lasting being electrically heated ice, and
Into next step；If nothing, the operation of end ice.
Step S5. second pressure sensor has detected whether pressure signal, if so, then lasting being electrically heated ice, and
And second pressure sensor persistently detects pressure signal；If nothing, the operation of end ice.
In the present embodiment, when air-conditioning system is in and changes ice operation, second pressure sensor is in presetting time N2
Inside all detect pressure signal, then compulsory withdrawal ice operates；Setting in this way is avoided because of second pressure sensor abnormality
And the problem of causing electric heating module that can not close in time, secondly, time N2 is 7-10min.
In the present embodiment, when air-conditioning system is in and changes ice operation, second pressure sensor is in malfunction, then exists
Electric heating ice continues compulsory withdrawal ice after presetization ice time N3 and operates, setting in this way, to avoid because of the
Two pressure sensors are abnormal and lead to cannot to change ice operation or the problem of electric heating module can not close in time.
In the present embodiment, when air-conditioning system is in defrost pattern, first pressure sensor is in malfunction, then by force
System opens electric heating ice, and compulsory withdrawal ice operates after presetization ice time N3.Setting in this way, thus
It avoids the problem that causing electric heating module that can not start in time because first pressure sensor is abnormal.
In the present embodiment, it is between defrost pattern and being electrically heated ice age in air-conditioning system, if user is closed
Machine operation, then the operation of making ice is postponing scheduled time N3 backed off after random.Setting in this way, so that it is guaranteed that removing clean bottom
The ice cube condensed on disk ensure that the performance of air-conditioning system.
In the present embodiment, it is between defrost pattern and being electrically heated ice age in air-conditioning system, if user will run
When pattern switching to non-heating mode, then the operation of making ice is postponing scheduled time N3 backed off after random.So that it is guaranteed that removing clean
The ice cube condensed on chassis ensure that the performance of air-conditioning system.
Further, preset temperature value T1 is 2-4 DEG C, that is, as Tw < T1, then it represents that air-conditioning system is in low temperature environment
Under.
Further, the time N3 of the present embodiment is 3-7min, in this way anti-ice operation of the time N3 as air-conditioning system
The forced service time, effectively remove the ice cube condensed on clean bottom plate of outdoor unit.
The embodiment of the above is only presently preferred embodiments of the present invention, not does limit in any form to the present invention
System.Anyone skilled in the art utilizes the skill of the disclosure above without departing from the scope of the technical proposal of the invention
Art content makes more possible variations and retouching to technical solution of the present invention, or modification is equivalent embodiment of the invention.
Therefore all contents without departing from technical solution of the present invention, equivalent equivalence changes, should all be covered by made by thinking according to the present invention
In protection scope of the present invention.
Claims (8)
1. a kind of deicing control method of chassis of outdoor unit of air conditioner, it is characterised in that: include set on bottom plate of outdoor unit side wall
First pressure sensor on face, the second pressure sensor near bottom plate of outdoor unit discharge outlet and be set to outdoor unit bottom
The electric heating mould group of Pan Chu, wherein the deicing control method includes following steps:
Step S1. air-conditioning system runs heating mode, detects outdoor environment temperature Tw, and judge detected outdoor environment temperature
Whether degree Tw is less than preset temperature value T1, if so, into next step；If it is not, then end ice operates；
Whether step S2. detection air-conditioning system first enters heating mode, if so, force start electric heating, runs scheduled
Compulsory withdrawal is heated after time N1, enters back into next step；If it is not, being directly entered next step；
Step S3. judges whether air-conditioning system is in defrost pattern, if so, into next step；If it is not, terminating then end
Ice operation；
Step S4. first pressure sensor has detected whether pressure signal, if so, then lasting being electrically heated ice, and enter
Next step；If nothing, the operation of end ice；
Step S5. second pressure sensor has detected whether pressure signal, if so, then lasting being electrically heated ice, and
Two pressure sensors persistently detect pressure signal；If nothing, the operation of end ice.
2. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: in air-conditioning
When system is in change ice operation, second pressure sensor all detects pressure signal in presetting time N2, then forces to move back
Change ice operation out.
3. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: in air-conditioning
When system is in change ice operation, second pressure sensor is in malfunction, then when electric heating ice continues presetization ice
Between after N3 compulsory withdrawal ice operate.
4. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: in air-conditioning
When system is in defrost pattern, first pressure sensor is in malfunction, then enforced opening electric heating ice, and default
Change ice time N3 after compulsory withdrawal ice operate.
5. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: in air-conditioning
System was between defrost pattern and being electrically heated ice age, if user carries out power-off operation, the operation of making ice is pre- in delay
Fixed time N3 backed off after random.
6. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: in air-conditioning
System was between defrost pattern and being electrically heated ice age, if operational mode is switched to non-heating mode by user, was made
Change ice operation and postpones scheduled time N3 backed off after random.
7. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: described
Height of one pressure sensor between the bottom of bottom plate of outdoor unit is distance S, wherein distance S is 2-5mm.
8. a kind of deicing control method of chassis of outdoor unit of air conditioner according to claim 1, it is characterised in that: described
Two pressure sensors are distance M apart from the distance between bottom plate of outdoor unit discharge outlet, wherein distance M is 4-10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535538.7A CN109612054B (en) | 2018-12-14 | 2018-12-14 | Deicing control method for chassis of outdoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535538.7A CN109612054B (en) | 2018-12-14 | 2018-12-14 | Deicing control method for chassis of outdoor unit of air conditioner |
Publications (2)
| Publication Number | Publication Date |
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| CN109612054A true CN109612054A (en) | 2019-04-12 |
| CN109612054B CN109612054B (en) | 2021-02-26 |
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| CN201811535538.7A Active CN109612054B (en) | 2018-12-14 | 2018-12-14 | Deicing control method for chassis of outdoor unit of air conditioner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160212A (en) * | 2019-05-17 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of electrically heated control method in outdoor machine of air-conditioner chassis, device and air conditioner |
| CN110274351A (en) * | 2019-06-26 | 2019-09-24 | 珠海格力电器股份有限公司 | Ice and snow removal control method and device, storage medium and air conditioner |
| CN110440415A (en) * | 2019-08-21 | 2019-11-12 | 珠海格力电器股份有限公司 | Air conditioner, defrosting control method and device thereof, and computer readable storage medium |
| CN111121231A (en) * | 2020-01-13 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Deicing device and air conditioner |
| CN111637592A (en) * | 2020-04-24 | 2020-09-08 | 广东志高暖通设备股份有限公司 | Chassis deicing control method and device, storage medium and air conditioner |
| CN113959064A (en) * | 2021-11-29 | 2022-01-21 | 广东积微科技有限公司 | Air conditioner and deicing method |
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| JP2010112591A (en) * | 2008-11-05 | 2010-05-20 | Panasonic Corp | Air conditioner |
| CN106765950A (en) * | 2016-12-23 | 2017-05-31 | 广东美的暖通设备有限公司 | The control method of air-conditioning heating system, control device and air-conditioner |
| CN107388416A (en) * | 2017-07-14 | 2017-11-24 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and control method thereof |
| CN107843035A (en) * | 2017-09-30 | 2018-03-27 | 广东芬尼能源技术有限公司 | A kind of Defrost control method |
| CN108917272A (en) * | 2018-07-19 | 2018-11-30 | 海信（山东）冰箱有限公司 | The defrosting control method and device and refrigerator of a kind of refrigerator |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112591A (en) * | 2008-11-05 | 2010-05-20 | Panasonic Corp | Air conditioner |
| CN106765950A (en) * | 2016-12-23 | 2017-05-31 | 广东美的暖通设备有限公司 | The control method of air-conditioning heating system, control device and air-conditioner |
| CN107388416A (en) * | 2017-07-14 | 2017-11-24 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and control method thereof |
| CN107843035A (en) * | 2017-09-30 | 2018-03-27 | 广东芬尼能源技术有限公司 | A kind of Defrost control method |
| CN108917272A (en) * | 2018-07-19 | 2018-11-30 | 海信（山东）冰箱有限公司 | The defrosting control method and device and refrigerator of a kind of refrigerator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160212A (en) * | 2019-05-17 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of electrically heated control method in outdoor machine of air-conditioner chassis, device and air conditioner |
| CN110274351A (en) * | 2019-06-26 | 2019-09-24 | 珠海格力电器股份有限公司 | Ice and snow removal control method and device, storage medium and air conditioner |
| CN110440415A (en) * | 2019-08-21 | 2019-11-12 | 珠海格力电器股份有限公司 | Air conditioner, defrosting control method and device thereof, and computer readable storage medium |
| CN111121231A (en) * | 2020-01-13 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Deicing device and air conditioner |
| CN111637592A (en) * | 2020-04-24 | 2020-09-08 | 广东志高暖通设备股份有限公司 | Chassis deicing control method and device, storage medium and air conditioner |
| CN113959064A (en) * | 2021-11-29 | 2022-01-21 | 广东积微科技有限公司 | Air conditioner and deicing method |
| CN113959064B (en) * | 2021-11-29 | 2023-02-28 | 广东积微科技有限公司 | Air conditioner and deicing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109612054B (en) | 2021-02-26 |
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Address after: No. 1 by villagers' group of helongsha, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Kaili HVAC Co.,Ltd. Address before: No. 1 by villagers' group of helongsha, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG CHIGO HEATING AND VENTILATION EQUIPMENT Co.,Ltd. |