CN105423495B - Air conditioner and its anti-freeze control method and device - Google Patents
Air conditioner and its anti-freeze control method and device Download PDFInfo
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- CN105423495B CN105423495B CN201510943080.9A CN201510943080A CN105423495B CN 105423495 B CN105423495 B CN 105423495B CN 201510943080 A CN201510943080 A CN 201510943080A CN 105423495 B CN105423495 B CN 105423495B
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Classifications
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- 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
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner and its anti-freeze control method and device, the described method comprises the following steps：The suction temperature of compressor in the coil temperature and outdoor unit of evaporator in indoor set is obtained, and calculates the temperature gap between coil temperature and suction temperature；Coil temperature and temperature gap are judged；If it is determined that coil temperature is more than the first temperature threshold and is less than or equal to second temperature threshold value, and temperature gap is more than or equal to the 3rd temperature threshold, then controls air conditioner to enter anti-freeze protected mode.This method can effectively control air conditioner to enter anti-freeze protected mode, so as to prevent air conditioner from breaking down, improve the service life and Consumer's Experience of air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, the anti-freeze control method of more particularly to a kind of air conditioner, a kind of air conditioner
Anti-freeze control device and a kind of air conditioner.
Background technology
At present, when air conditioner is applied to some special occasions, such as outdoor unit environment temperature than it is relatively low when still with the mould that freezes
When formula is run, the indoor heat exchanger in air conditioner is easy to frosting and icing, so as to influence the normal operation of air conditioner.Generally,
When indoor heat exchanger frosting occurs and frozen, air conditioner will perform anti-freeze defencive function.
In correlation technique, by detecting in indoor evaporator (when refrigeration or dehumidifying are run, indoor heat exchanger is evaporator)
Coil pipe middle portion temperature on a certain heat exchange stream judges whether air conditioner enters anti-freeze defencive function.It is but generally indoor
The heat exchange stream of evaporator more than 2 tunnels, when due to manufacture etc. reason cause indoor evaporator Biased flow phenomenon occur when, can
It is very low to there is the temperature of the part heat exchange stream of indoor evaporator, and frosting and knot has occurred in indoor evaporator
Ice phenomenon, and coil pipe middle portion temperature is still higher, can not now meet the condition into anti-freeze defencive function, therefore, prevents
Freeze protection fails, and so as to cause air conditioner to break down, and then influences the service life of air conditioner, reduces Consumer's Experience.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is the anti-freeze control method for proposing a kind of air conditioner, can effectively control air conditioner to be protected into anti-freeze
Pattern, so as to prevent air conditioner from breaking down, improve the service life and Consumer's Experience of air conditioner.
To achieve the above object, one aspect of the present invention embodiment proposes a kind of anti-freeze control method of air conditioner, institute
Stating air conditioner includes indoor set and outdoor unit, the described method comprises the following steps：Obtain the coil pipe of evaporator in the indoor set
The suction temperature of compressor in temperature and the outdoor unit, and calculate the temperature between the coil temperature and the suction temperature
Difference；The coil temperature and the temperature gap are judged；If it is determined that the coil temperature is more than the first temperature threshold
It is worth and is less than or equal to second temperature threshold value, and the temperature gap is more than or equal to the 3rd temperature threshold, then described in control
Air conditioner enters anti-freeze protected mode.
The anti-freeze control method of air conditioner according to embodiments of the present invention, obtain the coil temperature of evaporator in indoor set
With the suction temperature of compressor in outdoor unit, and the temperature gap between coil temperature and suction temperature is calculated, and to coil pipe
Temperature and temperature gap are judged, if coil temperature is more than the first temperature threshold and is less than or equal to second temperature threshold value,
And temperature gap is more than or equal to the 3rd temperature threshold, then air conditioner is controlled to enter anti-freeze protected mode.Therefore, it is of the invention
The anti-freeze control method of embodiment can according to the temperature gap between coil temperature and coil temperature and suction temperature come
Effectively control air conditioner enter anti-freeze protected mode, avoid because in air conditioner indoor heat exchanger there is bias current caused by it is antifreeze
The problem of tying shielding failure, so as to effectively prevent air conditioner from breaking down, the service life and Consumer's Experience of air conditioner are improved,
And Reliability comparotive is high.
According to one embodiment of present invention, the anti-freeze control method of above-mentioned air conditioner, in addition to：If it is determined that institute
Coil temperature is stated less than or equal to first temperature threshold and continues the first preset time, then controls the air conditioner to enter institute
State anti-freeze protected mode.
According to one embodiment of present invention, when the air conditioner enters the anti-freeze protected mode, described in control
In compressor shutdown, and control outdoor fan in the outdoor unit out of service, and the control indoor set indoor fan with
Preset rotation speed is run.
According to one embodiment of present invention, after the air conditioner enters the anti-freeze protected mode, if it is determined that
The coil temperature is more than or equal to the 4th temperature threshold and continues the second preset time, then controls the air conditioner to exit described
Anti-freeze protected mode.
To achieve the above object, another aspect of the present invention embodiment proposes a kind of anti-freeze control device of air conditioner,
The air conditioner includes indoor set and outdoor unit, and described device includes：Temperature acquisition module, steamed for obtaining in the indoor set
The suction temperature of compressor in the coil temperature and the outdoor unit of hair device；Control module, for calculate the coil temperature with
Temperature gap between the suction temperature, and the coil temperature and the temperature gap are judged, and judging
The coil temperature is more than the first temperature threshold and is less than or equal to second temperature threshold value, and the temperature gap is more than or waited
When three temperature thresholds, the air conditioner is controlled to enter anti-freeze protected mode.
The anti-freeze control device of the air conditioner of the embodiment of the present invention, obtained in indoor set and evaporated by temperature acquisition module
The suction temperature of compressor in the coil temperature and outdoor unit of device, control module calculate the temperature between coil temperature and suction temperature
Difference is spent, and coil temperature and temperature gap are judged, and is judging coil temperature more than the first temperature threshold and small
In or equal to second temperature threshold value, and when temperature gap is more than or equal to three temperature thresholds, control air conditioner enters antifreeze
Tie protected mode.Therefore, the anti-freeze control device of the embodiment of the present invention can be according to coil temperature and coil temperature with returning
Temperature gap between temperature degree effectively controls air conditioner to enter anti-freeze protected mode, avoids because of indoor heat exchange in air conditioner
There is the problem of anti-freeze shielding failure caused by bias current in device, so as to effectively prevent air conditioner from breaking down, improves air-conditioning
The service life and Consumer's Experience of device, and Reliability comparotive is high.
According to one embodiment of present invention, the control module is judging that the coil temperature is less than or equal to described the
One temperature threshold and when continuing the first preset time, controls the air conditioner to enter the anti-freeze protected mode.
According to one embodiment of present invention, the control module is controlling the air conditioner to be protected into the anti-freeze
During pattern, the control module controls the compressor shutdown, and controls outdoor fan in the outdoor unit out of service, and
Indoor fan in the indoor set is controlled to be run with preset rotation speed.
According to one embodiment of present invention, the control module is controlling the air conditioner to be protected into the anti-freeze
After pattern, the control module is judging the coil temperature more than or equal to the 4th temperature threshold and is continuing the second preset time
When, control the air conditioner to exit the anti-freeze protected mode.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes the anti-freeze control of above-mentioned air conditioner
Device.
The air conditioner of the embodiment of the present invention, by the anti-freeze control device of above-mentioned air conditioner, it can be efficiently entering anti-
Freeze protection pattern, avoid because in air conditioner indoor heat exchanger there is bias current caused by anti-freeze shielding failure the problem of, from
And the generation of failure is effectively prevented, improve service life and Consumer's Experience.
Brief description of the drawings
Fig. 1 is the flow chart of the anti-freeze control method of air conditioner according to embodiments of the present invention.
Fig. 2 is the block diagram of the anti-freeze control device of air conditioner according to embodiments of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The air conditioner and its anti-freeze control method and dress that it is proposed according to embodiments of the present invention described with reference to the accompanying drawings
Put.
Fig. 1 is the flow chart of the anti-freeze control method of air conditioner according to embodiments of the present invention, wherein, air conditioner includes
Indoor set and outdoor unit.As shown in figure 1, the anti-freeze control method of the air conditioner comprises the following steps：
S1, obtains the suction temperature of compressor in the coil temperature and outdoor unit of evaporator in indoor set, and calculates coil pipe
Temperature gap between temperature and suction temperature.
S2, coil temperature and temperature gap are judged.
S3, if it is determined that coil temperature is more than the first temperature threshold and is less than or equal to second temperature threshold value, and temperature
Difference is more than or equal to the 3rd temperature threshold, then controls air conditioner to enter anti-freeze protected mode.Wherein, the first temperature threshold,
Second temperature threshold value and the 3rd temperature threshold can be demarcated according to actual conditions, for example, the first temperature threshold can be 2
DEG C, second temperature threshold value can be 7 DEG C, and the 3rd temperature threshold can be 10 DEG C.
According to one embodiment of present invention, if it is determined that coil temperature is less than or equal to the first temperature threshold and continues the
One preset time, then air conditioner is controlled to enter anti-freeze protected mode.Wherein, the first preset time can be entered according to actual conditions
Rower is determined, for example, the first preset time can be 5min.
According to one embodiment of present invention, when air conditioner enters anti-freeze protected mode, compressor shutdown is controlled, and
Control outdoor fan in outdoor unit out of service, and indoor fan is run with preset rotation speed in control indoor set.Wherein, preset
Rotating speed can be demarcated according to actual conditions.
Specifically, when air conditioner is in a chiller mode or during dehumidifier mode operation, evaporator in indoor set is obtained in real time
The suction temperature Th of compressor in coil temperature T2 and outdoor unit.If the first temperature threshold TE1 ＜ T2≤second temperature threshold value
The temperature threshold TE3 of TE2 and T2-Th >=the 3rd, or T2≤TE1 and continue the first preset time t 1, then control air conditioner to enter
Anti-freeze protected mode, now compressor shutdown, outdoor fan is out of service, and indoor fan is run according to preset rotation speed.
According to one embodiment of present invention, after air conditioner enters anti-freeze protected mode, if it is determined that coil temperature
More than or equal to the 4th temperature threshold and continue the second preset time, then control air conditioner to exit anti-freeze protected mode.Say,
After air conditioner enters anti-freeze protected mode, the coil temperature of evaporator is obtained in real time and it is judged, when coil pipe temperature
When spending the >=the four temperature threshold TE4 and continuing the second preset time t 2, control air conditioner exits anti-freeze protected mode.
The anti-freeze control method of air conditioner according to embodiments of the present invention, obtain the coil temperature of evaporator in indoor set
With the suction temperature of compressor in outdoor unit, and the temperature gap between coil temperature and suction temperature is calculated, and to coil pipe
Temperature and temperature gap are judged, if coil temperature is more than the first temperature threshold and is less than or equal to second temperature threshold value,
And temperature gap is more than or equal to the 3rd temperature threshold, then air conditioner is controlled to enter anti-freeze protected mode.Therefore, it is of the invention
The anti-freeze control method of embodiment can according to the temperature gap between coil temperature and coil temperature and suction temperature come
Effectively control air conditioner enter anti-freeze protected mode, avoid because in air conditioner indoor heat exchanger there is bias current caused by it is antifreeze
The problem of tying shielding failure, so as to effectively prevent air conditioner from breaking down, the service life and Consumer's Experience of air conditioner are improved,
And Reliability comparotive is high.
Fig. 2 is the block diagram of the anti-freeze control device of air conditioner according to embodiments of the present invention, wherein, air conditioner includes
Indoor set and outdoor unit.As shown in Fig. 2 the anti-freeze control device of the air conditioner includes：Temperature acquisition module 10 and control mould
Block 20.
Wherein, temperature acquisition module 10 is used to obtain in indoor set compressor in the coil temperature and outdoor unit of evaporator
Suction temperature.Control module 20 is used to calculate the temperature gap between coil temperature and suction temperature, and to coil temperature and temperature
Degree difference is judged, and is being judged coil temperature more than the first temperature threshold and be less than or equal to second temperature threshold value, and
And temperature gap, when being more than or equal to three temperature thresholds, control air conditioner enters anti-freeze protected mode.
According to one embodiment of present invention, control module 20 is judging that coil temperature is less than or equal to the first temperature threshold
And when continuing the first preset time, control air conditioner enters anti-freeze protected mode.
According to one embodiment of present invention, control module 20 is when controlling air conditioner to enter anti-freeze protected mode, control
Molding block 20 controls compressor shutdown, and controls outdoor fan in outdoor unit out of service, and indoor wind in control indoor set
Machine is run with preset rotation speed.
Specifically, when air conditioner is in a chiller mode or during dehumidifier mode operation, it is real respectively temperature sensor can be passed through
When obtain indoor set in evaporator coil temperature T2 and outdoor unit in compressor suction temperature Th.If the first temperature threshold
The temperature threshold TE3 of TE1 ＜ T2≤second temperature threshold value TE2 and T2-Th >=the 3rd, or T2≤TE1 and continue first it is default when
Between t1, then control module 20 control air conditioner to enter anti-freeze protected mode, now compressor shutdown, outdoor fan stops transporting
OK, indoor fan is run according to preset rotation speed.
According to one embodiment of present invention, control module 20 is after control air conditioner enters anti-freeze protected mode, control
When judging coil temperature more than or equal to the 4th temperature threshold and continuing the second preset time, control air conditioner moves back molding block 20
Go out anti-freeze protected mode.Say, after air conditioner enters anti-freeze protected mode, obtain the coil temperature of evaporator simultaneously in real time
It is judged, as the temperature threshold TE4 of coil temperature >=the 4th and when continuing the second preset time t 2, control module 20 controls
Air conditioner exits anti-freeze protected mode.
The anti-freeze control device of the air conditioner of the embodiment of the present invention, obtained in indoor set and evaporated by temperature acquisition module
The suction temperature of compressor in the coil temperature and outdoor unit of device, control module calculate the temperature between coil temperature and suction temperature
Difference is spent, and coil temperature and temperature gap are judged, and is judging coil temperature more than the first temperature threshold and small
In or equal to second temperature threshold value, and when temperature gap is more than or equal to three temperature thresholds, control air conditioner enters antifreeze
Tie protected mode.Therefore, the anti-freeze control device of the embodiment of the present invention can be according to coil temperature and coil temperature with returning
Temperature gap between temperature degree effectively controls air conditioner to enter anti-freeze protected mode, avoids because of indoor heat exchange in air conditioner
There is the problem of anti-freeze shielding failure caused by bias current in device, so as to effectively prevent air conditioner from breaking down, improves air-conditioning
The service life and Consumer's Experience of device, and Reliability comparotive is high.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes the anti-freeze control of above-mentioned air conditioner
Device.
The air conditioner of the embodiment of the present invention, by the anti-freeze control device of above-mentioned air conditioner, it can be efficiently entering anti-
Freeze protection pattern, avoid because in air conditioner indoor heat exchanger there is bias current caused by anti-freeze shielding failure the problem of, from
And the generation of failure is effectively prevented, improve service life and Consumer's Experience.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (7)
1. the anti-freeze control method of a kind of air conditioner, it is characterised in that the air conditioner includes indoor set and outdoor unit, described
Method comprises the following steps：
The suction temperature of compressor in the coil temperature of evaporator and the outdoor unit in the indoor set is obtained, and described in calculating
Temperature gap between coil temperature and the suction temperature；
The coil temperature and the temperature gap are judged；
If it is determined that the coil temperature is more than the first temperature threshold and is less than or equal to second temperature threshold value, and the temperature
Difference is more than or equal to the 3rd temperature threshold, then controls the air conditioner to enter anti-freeze protected mode；Or
If it is determined that the coil temperature is less than or equal to first temperature threshold and continues the first preset time, then institute is controlled
State air conditioner and enter the anti-freeze protected mode.
2. the anti-freeze control method of air conditioner as claimed in claim 1, it is characterised in that described in entering in the air conditioner
During anti-freeze protected mode, the compressor shutdown is controlled, and controls outdoor fan in the outdoor unit out of service, and control
Indoor fan in the indoor set is made to run with preset rotation speed.
3. the anti-freeze control method of air conditioner as claimed in claim 2, it is characterised in that described in entering in the air conditioner
After anti-freeze protected mode, if it is determined that the coil temperature be more than or equal to the 4th temperature threshold and continue second it is default when
Between, then control the air conditioner to exit the anti-freeze protected mode.
4. the anti-freeze control device of a kind of air conditioner, it is characterised in that the air conditioner includes indoor set and outdoor unit, described
Device includes：
Temperature acquisition module, for obtaining in the indoor set returning for compressor in the coil temperature of evaporator and the outdoor unit
Temperature degree；
Control module, for calculating the temperature gap between the coil temperature and the suction temperature, and to the coil pipe temperature
Degree and the temperature gap judged, and is judging that the coil temperature is more than the first temperature threshold and is less than or equal to the
Two temperature thresholds, and when the temperature gap is more than or equal to three temperature thresholds, control the air conditioner to enter anti-freeze
Protected mode；Or the control module is judging the coil temperature less than or equal to first temperature threshold and continued
During the first preset time, the air conditioner is controlled to enter the anti-freeze protected mode.
5. the anti-freeze control device of air conditioner as claimed in claim 4, it is characterised in that the control module is in control institute
When stating air conditioner and entering the anti-freeze protected mode, the control module controls the compressor shutdown, and controls the room
Outdoor fan is out of service in outer machine, and indoor fan is run with preset rotation speed in the control indoor set.
6. the anti-freeze control device of air conditioner as claimed in claim 5, it is characterised in that the control module is in control institute
Air conditioner is stated into after the anti-freeze protected mode, the control module is judging the coil temperature more than or equal to the 4th
Temperature threshold and when continuing the second preset time, controls the air conditioner to exit the anti-freeze protected mode.
A kind of 7. air conditioner, it is characterised in that the anti-freeze control including the air conditioner as any one of claim 4-6
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943080.9A CN105423495B (en) | 2015-12-16 | 2015-12-16 | Air conditioner and its anti-freeze control method and device |
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| CN201510943080.9A CN105423495B (en) | 2015-12-16 | 2015-12-16 | Air conditioner and its anti-freeze control method and device |
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| CN105423495A CN105423495A (en) | 2016-03-23 |
| CN105423495B true CN105423495B (en) | 2018-03-27 |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016586A (en) * | 2016-05-18 | 2016-10-12 | 珠海格力电器股份有限公司 | Over-temperature protection method and system |
| CN106196428B (en) * | 2016-07-01 | 2019-04-26 | 美的集团武汉制冷设备有限公司 | Air conditioner and its anti-freeze control method |
| CN106196455B (en) * | 2016-07-15 | 2019-02-05 | 珠海格力电器股份有限公司 | Motor control method and system and air conditioner |
| CN106288160B (en) * | 2016-08-08 | 2019-04-09 | 美的集团武汉制冷设备有限公司 | A kind of cryogenic refrigeration control method, low-temperature refrigeration control device and air conditioner |
| CN107152758A (en) * | 2017-05-22 | 2017-09-12 | 广东美的制冷设备有限公司 | Air conditioner anti-freeze protects control method and device |
| CN108224703A (en) * | 2017-12-25 | 2018-06-29 | 青岛海尔空调电子有限公司 | The control method of air-conditioning |
| CN108317669B (en) * | 2018-02-14 | 2020-08-25 | 青岛海尔空调器有限总公司 | Anti-freezing control method for indoor unit of air conditioner |
| CN108444046A (en) * | 2018-02-14 | 2018-08-24 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method for air conditioner |
| CN108413564B (en) * | 2018-02-14 | 2020-11-27 | 青岛海尔空调器有限总公司 | Anti-freezing control method for indoor unit of air conditioner and air conditioner |
| CN108518805B (en) * | 2018-05-10 | 2021-03-16 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner and computer readable storage medium |
| CN111189177B (en) * | 2018-11-14 | 2021-08-24 | 重庆海尔空调器有限公司 | Air conditioner and anti-freezing control method thereof |
| CN110953689B (en) * | 2019-11-14 | 2021-08-24 | 合肥海尔空调器有限公司 | Air conditioner anti-freezing protection method and device and air conditioner |
| CN113310172A (en) * | 2020-02-27 | 2021-08-27 | 青岛海尔空调器有限总公司 | Method and device for controlling freezing prevention of air conditioner and air conditioner |
| CN111397103A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioner anti-freezing control method and device and air conditioner |
| CN112178888B (en) * | 2020-09-28 | 2022-04-19 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN113915734B (en) * | 2021-09-27 | 2022-11-25 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN115823786A (en) * | 2022-12-08 | 2023-03-21 | 珠海格力电器股份有限公司 | Unit anti-freezing control method and device and water chilling unit |
| CN115930367B (en) * | 2023-01-10 | 2024-06-14 | 宁波奥克斯电气股份有限公司 | Anti-freezing control method and device for air conditioner indoor unit and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464033A (en) * | 2007-12-19 | 2009-06-24 | 海尔集团公司 | Antifreeze method and system for indoor unit of air conditioner |
| CN101509692A (en) * | 2009-03-16 | 2009-08-19 | 宁波海诚电器有限公司 | Antifreezing control method of air conditioner evaporator |
| CN102914027A (en) * | 2012-09-20 | 2013-02-06 | 宁波奥克斯电气有限公司 | Control method for preventing refrigerant of outdoor unit from bias flowing during refrigeration of multi-split air-conditioning unit |
| CN103115417A (en) * | 2013-03-19 | 2013-05-22 | 海尔集团公司 | Refrigeration method of low temperature environment air conditioner |
| US8863536B1 (en) * | 2007-04-30 | 2014-10-21 | Emerson Electric Co. | Two mode thermostat with set-back temperature and humidity set-point feature |
| CN104596036A (en) * | 2015-01-12 | 2015-05-06 | 广东美的制冷设备有限公司 | Anti-freezing control method and device |
-
2015
- 2015-12-16 CN CN201510943080.9A patent/CN105423495B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8863536B1 (en) * | 2007-04-30 | 2014-10-21 | Emerson Electric Co. | Two mode thermostat with set-back temperature and humidity set-point feature |
| CN101464033A (en) * | 2007-12-19 | 2009-06-24 | 海尔集团公司 | Antifreeze method and system for indoor unit of air conditioner |
| CN101509692A (en) * | 2009-03-16 | 2009-08-19 | 宁波海诚电器有限公司 | Antifreezing control method of air conditioner evaporator |
| CN102914027A (en) * | 2012-09-20 | 2013-02-06 | 宁波奥克斯电气有限公司 | Control method for preventing refrigerant of outdoor unit from bias flowing during refrigeration of multi-split air-conditioning unit |
| CN103115417A (en) * | 2013-03-19 | 2013-05-22 | 海尔集团公司 | Refrigeration method of low temperature environment air conditioner |
| CN104596036A (en) * | 2015-01-12 | 2015-05-06 | 广东美的制冷设备有限公司 | Anti-freezing control method and device |
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