CN108397873A - Indoor unit anti-freeze control method for air conditioner - Google Patents

Indoor unit anti-freeze control method for air conditioner Download PDF

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Publication number
CN108397873A
CN108397873A CN201810151949.XA CN201810151949A CN108397873A CN 108397873 A CN108397873 A CN 108397873A CN 201810151949 A CN201810151949 A CN 201810151949A CN 108397873 A CN108397873 A CN 108397873A
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CN
China
Prior art keywords
indoor unit
air conditioner
wind turbine
freeze
electric current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201810151949.XA
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Chinese (zh)
Inventor
许文明
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201810151949.XA priority Critical patent/CN108397873A/en
Publication of CN108397873A publication Critical patent/CN108397873A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing
    • F24F11/43Defrosting; Preventing freezing of indoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices

Abstract

The invention belongs to air conditioner technical fields, and in particular to a kind of indoor unit anti-freeze control method for air conditioner.Present invention seek to address that existing air conditioner by inner coil pipe temperature on indoor unit freeze when situation judges be easy is influenced by other factors by cause judge by accident the problem of.The present invention indoor unit anti-freeze control method include:In the air conditioner refrigerating operaton, the wind turbine electric current of the indoor unit is obtained;According to the wind turbine electric current of the indoor unit, judge whether that the air conditioner is made to get in machine anti-freeze pattern.Since the wind turbine electric current of the indoor unit can generate corresponding variation with the freezing degree of indoor unit, and the size of wind turbine electric current is not easily susceptible to the interference of irrelevant factor;Therefore, more accurately the situation of freezing of indoor unit can be judged by the wind turbine electric current of the indoor unit, farthest to ensure that indoor unit can rapidly and accurately enter anti-freeze pattern, and then the heat exchange efficiency of the air conditioner is effectively ensured.

Description

Indoor unit anti-freeze control method for air conditioner
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of indoor unit anti-freeze controlling party for air conditioner Method.
Background technology
With the continuous improvement of people's living standards, people also proposed increasingly higher demands to living environment.In order to Comfortable environment temperature, air conditioner is maintained to have become essential a kind of equipment in people's life.Normally, air conditioner packet Indoor unit, outdoor unit and the circulation loop for connecting indoor unit and outdoor unit are included, the heat transferring medium in air conditioner is by following Loop back path constantly exchanges heat between outdoor unit and indoor unit, to achieve the effect that change room temperature.When with air conditioner refrigerating operaton For, the coil pipe of indoor unit is in the lower state of temperature always;At this point, if when indoor environment has higher levels of humidity, it is indoor The coil pipe of machine is just easy to generate freezeout, and the generation of this freezeout can seriously affect the heat exchange efficiency of indoor unit, make The heat transfer effect for obtaining air conditioner constantly weakens, and then influences the comfort level of indoor environment.Therefore, in air conditioner refrigerating operaton, Air conditioner is necessary to ensure that the coil pipe of indoor unit does not generate freezeout.
In order to which the freezeout to indoor unit coil pipe is monitored, existing air conditioner usually all can be indoors on the coil pipe of machine Mounting temperature sensor so that air conditioner can judge indoor unit coil pipe by the coil temperature of indoor unit freezes situation, So that when freezeout occurs in indoor unit coil pipe, air conditioner can carry out deicing processing in time.But this monitoring method is deposited The tapping condition for being fixed against heat exchanger is needed in the accuracy of a very big disadvantage, i.e., this monitoring method;Specifically, working as When the tapping condition of indoor set heat exchanger is bad, if air conditioner only relies on and is provided with a branch of temperature sensor and is difficult to The entire indoor unit coil pipe of accurate judgement freezes situation.Further, if the branch for being provided with temperature sensor is not produced Raw freezeout, and when other branches have been freezed, air conditioner can not just detect the coil pipe of indoor unit generated freezes it is existing As also can not just carry out deicing processing in time to the coil pipe of indoor unit, the generation of such case can seriously affect changing for air conditioner The thermal efficiency declines so as to cause user experience.
Correspondingly, this field needs a kind of new to solve above-mentioned ask for the indoor unit anti-freeze control method of air conditioner Topic.
Invention content
In order to solve the above problem in the prior art, in order to solve existing air conditioner by inner coil pipe temperature to interior The situation of freezing of machine is judged, it is easy to which the problem of influenced by other factors and lead to erroneous judgement, the present invention provides one kind For the indoor unit anti-freeze control method of air conditioner, the indoor unit anti-freeze control method includes:In the air conditioner system When cold operation, the wind turbine electric current of the indoor unit is obtained;According to the wind turbine electric current of the indoor unit, judge whether to make the air-conditioning Device gets in machine anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, " according to the interior The wind turbine electric current of machine judges whether that the air conditioner is made to get in machine anti-freeze pattern " the step of specifically include:By the room The wind turbine electric current of interior machine and the ratio of standard current value are compared with the first preset value;According to the wind turbine electric current of the indoor unit With the comparison result of the ratio and first preset value of the standard current value, judge whether that the air conditioner is made to get in Machine anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, " according to the interior The comparison result of the wind turbine electric current of machine and the ratio of the standard current value and first preset value judges whether to make the sky Adjust device get in machine anti-freeze pattern " the step of specifically include:If wind turbine electric current and the standard electric of the indoor unit The ratio of flow valuve is less than first preset value, then the air conditioner is made to get in machine anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, " according to the interior The comparison result of the wind turbine electric current of machine and the ratio of the standard current value and first preset value judges whether to make the sky Adjust device get in machine anti-freeze pattern " the step of specifically include:If wind turbine electric current and the standard electric of the indoor unit The ratio of flow valuve is greater than or equal to first preset value, then the air conditioner is not made to get in machine anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, the standard current value Current value of the wind turbine under different rotating speeds when being in non-icing condition for the indoor unit.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, first preset value Arbitrary value between being 0.85 to 0.95.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, the indoor unit to be antifreeze Tying control method further includes:After the air conditioner gets in machine anti-freeze pattern, according to the wind turbine of indoor unit electricity Stream, judges whether that the air conditioner is made to exit indoor unit anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, " in the air conditioner Into after anti-freeze pattern, according to the wind turbine electric current of the indoor unit, judging whether, which makes the air conditioner exit indoor unit, prevents The step of freezing mode ", specifically includes:In advance by the wind turbine electric current of the indoor unit and the ratio and second of the standard current value If value is compared;According to the wind turbine electric current of the indoor unit and the ratio of the standard current value and second preset value Comparison result judges whether that the air conditioner is made to exit indoor unit anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, " according to the interior The comparison result of the wind turbine electric current of machine and the ratio of the standard current value and second preset value judges whether to make the sky Adjust device exit indoor unit anti-freeze pattern " the step of specifically include:If wind turbine electric current and the standard electric of the indoor unit The ratio of flow valuve is greater than or equal to second preset value, then the air conditioner is made to exit indoor unit anti-freeze pattern.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, second preset value Arbitrary value between being 0.95 to 1.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, of the invention is used for air-conditioning The indoor unit anti-freeze control method of device includes:In the air conditioner refrigerating operaton, the wind turbine electric current of the indoor unit is obtained, Since the wind turbine electric current of the indoor unit can generate corresponding variation with the change for freezing degree of the indoor unit, and And the change of the wind turbine electric current is not easily susceptible to the interference of irrelevant factor;Therefore, the indoor unit anti-freeze control method can According to the wind turbine electric current of the indoor unit, judge whether that the air conditioner is made to get in machine anti-freeze pattern so that the sky Device is adjusted more accurately can effectively to be judged the situation of freezing of the indoor unit, effectively to avoid existing air conditioner logical Inner coil pipe temperature is crossed to the indoor unit when freezing situation and judging, it is easy to be influenced and cause by other irrelevant factors The problem of erroneous judgement, to farthest ensure that the indoor unit can accurately sentence the opportunity for entering anti-freeze pattern It is disconnected, and then the heat exchange efficiency of the indoor unit is effectively ensured.
Further, in the preferred technical solution of the present invention, the indoor unit anti-freeze control method is by the interior The wind turbine electric current of machine and the ratio of standard current value are compared with the first preset value;If the wind turbine electric current of the indoor unit and The ratio of the standard current value is less than first preset value, then the air conditioner is made to get in machine anti-freeze pattern;Such as The wind turbine electric current of indoor unit described in fruit and the ratio of the standard current value are greater than or equal to first preset value, then do not make institute It states air conditioner and gets in machine anti-freeze pattern.That is, the present invention is by by the wind turbine electric current of the indoor unit and described The ratio of standard current value is compared to judge that the air conditioner gets in machine anti-freeze pattern with first preset value Opportunity, it is existing without existing since what the wind turbine electric current of the indoor unit can accurately reflect entire indoor unit freezes situation Have and only relies on local circumstance in technology easily there is misjudgment phenomenon when judging bulk freezing degree, so that described Air conditioner judges that the indoor unit freezes the ability of degree and obtains the raising of high degree.
Further, on the basis of the above-mentioned control method for entering anti-freeze pattern about the indoor unit, this hair It is bright to additionally provide a kind of control method exiting anti-freeze pattern about the indoor unit.In a preferred embodiment of the invention, The indoor unit anti-freeze control method is by the ratio and the second preset value of the wind turbine electric current of the indoor unit and standard current value It is compared;If it is default that the wind turbine electric current of the indoor unit and the ratio of the standard current value are greater than or equal to described second Value, then illustrate that the situation of freezing of the indoor unit has been improved;At this point, the air conditioner is made to exit indoor unit anti-freeze mould Formula.That is, the present invention is by by the ratio of the wind turbine electric current of the indoor unit and the standard current value and described second Preset value is compared to judge the opportunity that the air conditioner exits indoor unit anti-freeze pattern, due to the wind turbine of the indoor unit What electric current can accurately reflect entire indoor unit freezes situation, only relies on partial freezing's situation in the prior art without existing and comes Judge easily there are problems that misjudgment phenomenon when bulk freezing degree.Therefore, the wind turbine electric current that the present invention passes through the indoor unit The accuracy rate of judgement can be effectively improved to judge that the indoor unit exits opportunity of anti-freeze pattern, it is described to be effectively ensured When exiting indoor unit anti-freeze pattern, the situation of freezing of the indoor unit is improved air conditioner comprehensively;Meanwhile it is described Air conditioner can also after deicing fast quick-recovery normal refrigerating mode, and then be effectively ensured the air conditioner refrigeration effect Fruit improves user experience.
Description of the drawings
Fig. 1 is the key step flow chart of the indoor unit anti-freeze control method of the present invention;
Fig. 2 is the specific steps flow chart of the indoor unit anti-freeze control method of the present invention.
Specific implementation mode
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.For example, although In the application according to particular order describe the present invention method each step, but these be not sequentially it is restrictive, Under the premise of without departing from the basic principle of the present invention, those skilled in the art can execute the step in a different order Suddenly.
The situation of freezing of indoor unit is sentenced by inner coil pipe temperature based on the existing air conditioner proposed in background technology It is disconnected, it is easy to the problem of causing to judge by accident.The present invention provides a kind of indoor unit anti-freeze control methods for air conditioner, it is intended to It solves existing air conditioner to judge the situation of freezing of indoor unit by inner coil pipe temperature, it is easy to be influenced by other factors And the problem of leading to erroneous judgement.
Referring initially to Fig. 1, which is the key step flow chart of the indoor unit anti-freeze control method of the present invention.The present invention Air conditioner include indoor unit, as shown in Figure 1, the indoor unit anti-freeze control method mainly includes the following steps:
S1:In air conditioner refrigerating operaton, the wind turbine electric current of indoor unit is obtained;
S2:According to the wind turbine electric current of indoor unit, judge whether that air conditioner is made to get in machine anti-freeze pattern.
Further, in the air conditioner refrigerating operaton, the wind turbine electric current of the indoor unit is obtained;According to the interior The wind turbine electric current of machine judges whether that the air conditioner is made to get in machine anti-freeze pattern.Wherein, due to the wind of the indoor unit Electromechanical stream can generate corresponding variation with the change for freezing degree of the indoor unit, and the wind turbine electric current changes Become the interference for being not easily susceptible to irrelevant factor;Therefore, the wind turbine electricity that the indoor unit anti-freeze control method passes through the indoor unit Stream more accurately can effectively judge the situation of freezing of the indoor unit, effectively to avoid existing air conditioner from passing through Inner coil pipe temperature is to the indoor unit when freezing situation and judging, it is easy to be influenced by other irrelevant factors and cause to miss The problem of sentencing, to farthest ensure that the indoor unit can carry out accurate judgement to the opportunity for entering anti-freeze pattern, And then the heat exchange efficiency of the indoor unit is effectively ensured.
The wind turbine size of current of those skilled in the art, the indoor unit can directly reflect entire indoor unit Freeze degree;It is to determine due to the load of the wind turbine under certain rotating speed, corresponding wind turbine electric current is also true Fixed.In other words, when the rotating speed of the wind turbine determines, if the windage of the wind turbine increases, i.e., when the load becomes large, wind turbine Electric current also inherently becomes smaller;Meanwhile if the wind turbine electric current becomes smaller, illustrating that the load becomes large for the wind turbine, i.e., windage increases Add, that is to say, that the indoor unit has generated freezeout.It is understood that the indoor unit to freeze situation tighter Weight, the wind turbine electric current is with regard to smaller.Therefore, the present invention can not only effectively obtain the indoor unit by the wind turbine electric current Bulk freezing situation, while can also dramatically improve the accuracy that the air conditioner judges.
Referring next to Fig. 2, which is the specific steps flow chart of the indoor unit anti-freeze control method of the present invention.Such as Fig. 2 Shown, the indoor unit anti-freeze control method specifically includes the following steps:
S101:In air conditioner refrigerating operaton, the wind turbine electric current of indoor unit is obtained;
S102:Whether the ratio of the wind turbine electric current and standard current value that judge indoor unit is less than the first preset value;If so, Then follow the steps S104;If it is not, then executing step S103;
S103:Air conditioner is set to maintain present mode;
S104:Air conditioner is set to get in machine anti-freeze pattern;
S105:Whether the ratio of the wind turbine electric current and standard current value that judge indoor unit is greater than or equal to the second preset value; If so, thening follow the steps S106;If it is not, then executing step S105 again;
S106:Air conditioner is set to exit indoor unit anti-freeze pattern.
Further, the wind turbine electric current that the indoor unit is obtained in step S101, so as to the indoor unit anti-freeze control Method processed can judge that the indoor unit enters and exit the opportunity of anti-freeze pattern according to the wind turbine electric current of the indoor unit. Then in step s 102, the wind turbine electric current of the indoor unit and the ratio of standard current value are compared with the first preset value Compared with;According to the comparison result of the wind turbine electric current of the indoor unit and the ratio of the standard current value and first preset value, Judge whether that the air conditioner is made to get in machine anti-freeze pattern.It should be noted that, although in this preferred embodiment simultaneously Enter and exit the control method of anti-freeze pattern including the indoor unit, still, technical staff obviously can also be according to reality Use demand is voluntarily selected a portion control method and is used.
Specifically, in step s 102, if the wind turbine electric current of the indoor unit and the ratio of the standard current value are small In first preset value, then illustrate that the situation of freezing of the indoor unit has exceeded the permission model that the indoor unit freezes degree It encloses;At this point, step S104 is executed, even if the air conditioner gets in machine anti-freeze pattern.If the wind turbine of the indoor unit Electric current and the ratio of the standard current value are greater than or equal to first preset value, then illustrate the indoor unit freezes situation There are no the allowable ranges for freezing degree beyond the indoor unit;At this point, step S103 is executed, even if air conditioner maintenance is worked as Preceding operational mode.The present invention judges that it is antifreeze that the indoor unit enters by the wind turbine electric current and standard current value of the indoor unit The opportunity of knot pattern so that the air conditioner judges that the indoor unit freezes the ability of degree and obtains the raising of high degree.It needs It is noted that technical staff can freeze the allowable range of degree according to indoor unit described in actual use demand sets itself.
In addition it is also necessary to which explanation, those skilled in the art can voluntarily set according to the actual conditions of different air conditioners The fixed indoor unit enters the anti-freeze measure taken when anti-freeze pattern.In the preferred embodiment, the air conditioner passes through The frequency of compressor is reduced to 0.8 times of current frequency, so that the indoor unit freezes situation and can quickly obtain Improve;Certainly, technical staff can also set anti-freeze pattern according to the actual conditions of different air conditioners.
It will be appreciated to those of skill in the art that preferably, first preset value be 0.85 to 0.95 between appoint Meaning value;Certainly, this is not restrictive, and the first preset value can be flexibly arranged in those skilled in the art in practical applications Concrete numerical value, as long as can judge whether the wind turbine electric current of the indoor unit excessively declines by the separation that the first preset value determines Subtract.Meanwhile the standard current value described in this preferred embodiment can be measured before air conditioner manufacture; I.e. when the air conditioner is in non-icing condition, the air conditioner is made to be run with standard condition, in the air conditioner with standard During operating mode is run, standard current value of the wind turbine of the indoor unit under different rotating speeds is measured.It should be noted that this Invention is not limited in any way the method for bioassay standard current value.
Further, in step S105, by the ratio and second of the wind turbine electric current of the indoor unit and standard current value Preset value is compared;According to the wind turbine electric current of the indoor unit and the ratio of the standard current value and second preset value Comparison result, judge whether that the air conditioner is made to exit indoor unit anti-freeze pattern.If the wind turbine electric current of the indoor unit It is greater than or equal to second preset value with the ratio of the standard current value, illustrates that the situation of freezing of the indoor unit has obtained To being effectively improved;At this point, step S106 is executed, even if the air conditioner exits indoor unit anti-freeze pattern.If the interior The wind turbine electric current of machine and the ratio of the standard current value are less than second preset value, and illustrate the indoor unit freezes situation Or than more serious;At this point, executing step S105 again, i.e., judged again, to freeze situation in the indoor unit Row exits anti-freeze pattern again when obtaining improving.The present invention is judged by the wind turbine electric current and standard current value of the indoor unit The air conditioner exits the opportunity of anti-freeze pattern, so that the air conditioner fast quick-recovery can normally freeze after deicing Pattern, and then the refrigeration effect of the air conditioner is effectively ensured, improve user experience.
It will be appreciated to those of skill in the art that preferably, second preset value be 0.95 to 1 between it is arbitrary Value;Certainly, this is not restrictive, and the tool of the second preset value can be flexibly arranged in those skilled in the art in practical applications Body numerical value, as long as whether to freeze situation by what the separation that second preset value determines can judge the indoor unit It is effectively improved.
Finally, it should be noted that above-described embodiment is the preferred embodiments of the invention, it is not intended as to the present invention The limitation of protection domain.Those skilled in the art can be properly added or delete as needed one when actually using the present invention Part steps, or exchange the sequence between different step.This basic principle changed not departing from the present invention, belongs to this The protection domain of invention.
So far, it has been combined attached drawing and describes the preferred embodiments of the invention, still, those skilled in the art are easy reason Solution, protection scope of the present invention are expressly not limited to these specific implementation modes.Before without departing from the principle of the present invention It puts, those skilled in the art can make the relevant technologies feature equivalent change or replacement, after these changes or replacement Technical solution fall within protection scope of the present invention.

Claims (10)

1. a kind of indoor unit anti-freeze control method for air conditioner, which is characterized in that the indoor unit anti-freeze controlling party Method includes:
In the air conditioner refrigerating operaton, the wind turbine electric current of the indoor unit is obtained;
According to the wind turbine electric current of the indoor unit, judge whether that the air conditioner is made to get in machine anti-freeze pattern.
2. the indoor unit anti-freeze control method according to claim 1 for air conditioner, which is characterized in that " according to institute The wind turbine electric current for stating indoor unit judges whether that the air conditioner is made to get in machine anti-freeze pattern " the step of specifically include:
The ratio of the wind turbine electric current of the indoor unit and standard current value is compared with the first preset value;
According to the comparison result of the wind turbine electric current of the indoor unit and the ratio of the standard current value and first preset value, Judge whether that the air conditioner is made to get in machine anti-freeze pattern.
3. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that " according to institute The comparison result for stating the wind turbine electric current of indoor unit and the ratio and first preset value of the standard current value, judges whether to make The air conditioner gets in machine anti-freeze pattern " the step of specifically include:
If the wind turbine electric current of the indoor unit and the ratio of the standard current value are less than first preset value, make described Air conditioner gets in machine anti-freeze pattern.
4. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that " according to institute The comparison result for stating the wind turbine electric current of indoor unit and the ratio and first preset value of the standard current value, judges whether to make The air conditioner gets in machine anti-freeze pattern " the step of specifically include:
If the wind turbine electric current of the indoor unit and the ratio of the standard current value are greater than or equal to first preset value, The air conditioner is not set to get in machine anti-freeze pattern.
5. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that the standard Current value is that the indoor unit is in current value of the wind turbine under different rotating speeds when non-icing condition.
6. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that described first Preset value is the arbitrary value between 0.85 to 0.95.
7. the indoor unit anti-freeze control method for air conditioner according to any one of claim 2 to 6, feature exist In the indoor unit anti-freeze control method further includes:
After the air conditioner gets in machine anti-freeze pattern, according to the wind turbine electric current of the indoor unit, judge whether to make The air conditioner exits indoor unit anti-freeze pattern.
8. the indoor unit anti-freeze control method according to claim 7 for air conditioner, which is characterized in that " described Air conditioner enters after anti-freeze pattern, according to the wind turbine electric current of the indoor unit, judges whether that the air conditioner is made to exit room The step of interior machine anti-freeze pattern ", specifically includes:
The ratio of the wind turbine electric current of the indoor unit and the standard current value is compared with the second preset value;
According to the comparison result of the wind turbine electric current of the indoor unit and the ratio of the standard current value and second preset value, Judge whether that the air conditioner is made to exit indoor unit anti-freeze pattern.
9. the indoor unit anti-freeze control method according to claim 8 for air conditioner, which is characterized in that " according to institute The comparison result for stating the wind turbine electric current of indoor unit and the ratio and second preset value of the standard current value, judges whether to make The air conditioner exits indoor unit anti-freeze pattern " the step of specifically include:
If the wind turbine electric current of the indoor unit and the ratio of the standard current value are greater than or equal to second preset value, The air conditioner is set to exit indoor unit anti-freeze pattern.
10. the indoor unit anti-freeze control method according to claim 8 for air conditioner, which is characterized in that described Two preset values are the arbitrary value between 0.95 to 1.
CN201810151949.XA 2018-02-14 2018-02-14 Indoor unit anti-freeze control method for air conditioner Pending CN108397873A (en)

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CN110631210A (en) * 2019-09-30 2019-12-31 广东美的制冷设备有限公司 Air conditioner, method of controlling the same, and computer-readable storage medium
CN111189169A (en) * 2018-11-14 2020-05-22 青岛海尔空调器有限总公司 Air conditioner and anti-freezing control method thereof
CN114413327A (en) * 2021-12-24 2022-04-29 珠海格力电器股份有限公司 Air conditioner condensation prevention control method and air conditioner

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CN104930674A (en) * 2015-05-14 2015-09-23 珠海格力电器股份有限公司 Defrosting control method and defrosting control device for outdoor unit of air conditioning unit as well as air conditioning system
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CN105157161A (en) * 2015-07-07 2015-12-16 珠海格力电器股份有限公司 Method and device for detecting air conditioner frosting
CN105627524A (en) * 2016-03-14 2016-06-01 广东美的制冷设备有限公司 Air conditioner anti-freezing control method and air conditioner

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CN109210679A (en) * 2018-08-15 2019-01-15 珠海格力电器股份有限公司 A kind of control method of air-conditioning, device, storage medium and air-conditioning
CN111189169A (en) * 2018-11-14 2020-05-22 青岛海尔空调器有限总公司 Air conditioner and anti-freezing control method thereof
CN111189169B (en) * 2018-11-14 2021-11-23 青岛海尔空调器有限总公司 Air conditioner and anti-freezing control method thereof
CN110631210A (en) * 2019-09-30 2019-12-31 广东美的制冷设备有限公司 Air conditioner, method of controlling the same, and computer-readable storage medium
CN110631210B (en) * 2019-09-30 2021-07-16 广东美的制冷设备有限公司 Air conditioner, method of controlling the same, and computer-readable storage medium
CN114413327A (en) * 2021-12-24 2022-04-29 珠海格力电器股份有限公司 Air conditioner condensation prevention control method and air conditioner

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