CN108444034A - Indoor unit anti-freeze control method and air conditioner for air conditioner - Google Patents
Indoor unit anti-freeze control method and air conditioner for air conditioner Download PDFInfo
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- CN108444034A CN108444034A CN201810151968.2A CN201810151968A CN108444034A CN 108444034 A CN108444034 A CN 108444034A CN 201810151968 A CN201810151968 A CN 201810151968A CN 108444034 A CN108444034 A CN 108444034A
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- indoor unit
- air conditioner
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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
-
- 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
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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
- F24F2110/00—Control inputs relating to air properties
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to air conditioner technical fields, and in particular to a kind of indoor unit anti-freeze control method and air conditioner for air conditioner.Present invention seek to address that existing air conditioner is difficult to carry out accurate judgement to the situation of freezing of indoor unit according only to inner coil pipe temperature, and the problem of anti-freeze pattern corresponding there are no the different set for freezing situation according to indoor unit.The present invention indoor unit anti-freeze control method include:In air conditioner refrigerating operaton, the wind turbine electric current and coil temperature of indoor unit are obtained;According to the wind turbine electric current of indoor unit and the correspondence of coil temperature, air conditioner is selectively made to enter corresponding indoor unit anti-freeze pattern;So that air conditioner can judge indoor unit according to the correspondence of the wind turbine electric current of indoor unit and coil temperature freeze situation, and optimum anti-freeze pattern is selected according to different situations of freezing, to on the basis of enhancing deicing effect, additionally it is possible to the effectively save energy.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of indoor unit anti-freeze control method for air conditioner
And air conditioner.
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, when air conditioner has been found that interior by temperature sensor
When machine generates freezeout, the difference for also not freezing degree according to indoor unit executes corresponding anti-freeze pattern.Therefore, existing
Air conditioner not only cannot carry out accurate judgement to the situation of freezing of indoor unit, and there are no the differences for freezing situation according to indoor unit to set
Fixed corresponding anti-freeze pattern is easy to due to indoor unit generates freezeout so as to cause the heat exchange efficiency of air conditioner by tight
Ghost image is rung.
Correspondingly, this field needs a kind of new indoor unit anti-freeze control method and air conditioner for air conditioner to solve
The certainly above problem.
Invention content
In order to solve the above problem in the prior art, it is difficult to according only to inner coil pipe temperature in order to solve existing air conditioner
Accurate judgement is carried out to the situation of freezing of indoor unit, and the different set for freezing situation according to indoor unit not yet is prevented accordingly
The problem of freezing mode, the present invention provides a kind of indoor unit anti-freeze control method for air conditioner, the indoor unit is anti-
Freezing control method includes:In the air conditioner refrigerating operaton, the wind turbine electric current and coil temperature of the indoor unit are obtained;Root
According to the wind turbine electric current of the indoor unit and the correspondence of coil temperature, selectively enter the air conditioner corresponding indoor
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 and the correspondence of coil temperature selectively make the air conditioner enter corresponding indoor unit anti-freeze mould
The step of formula ", specifically includes:If the wind turbine electric current of the indoor unit is less than the first pre-set current value and more than the second default electricity
Flow valuve, and the coil temperature of the indoor unit is less than the first preset temperature and is more than the second preset temperature, then makes the air-conditioning
Device enters the first anti-freeze pattern, wherein first pre-set current value is more than second pre-set current value, and described first is pre-
If temperature is more than second preset temperature.
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 and the correspondence of coil temperature selectively make the air conditioner enter corresponding indoor unit anti-freeze mould
The step of formula ", specifically includes:If the wind turbine electric current of the indoor unit is less than or equal to the second pre-set current value and is more than third
Pre-set current value, and the coil temperature of the indoor unit is less than or equal to second preset temperature and more than the default temperature of third
Degree then makes the air conditioner enter the second anti-freeze pattern, wherein second pre-set current value is more than the default electricity of the third
Flow valuve, second preset temperature are more than the third preset temperature.
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 and the correspondence of coil temperature selectively make the air conditioner enter corresponding indoor unit anti-freeze mould
The step of formula ", specifically includes:If the wind turbine electric current of the indoor unit is less than or equal to third pre-set current value, and the room
The coil temperature of interior machine is less than or equal to the third preset temperature, then the air conditioner is made to enter third anti-freeze pattern.
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:When the air conditioner refrigerating operaton and the indoor unit are in non-icing condition, described the is measured
One pre-set current value and first preset temperature.
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:When the air conditioner refrigerating operaton and the indoor unit are in slight icing condition, described in measurement
Second pre-set current value and second preset temperature.
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:When the air conditioner refrigerating operaton and the indoor unit are in severe icing condition, described in measurement
Third pre-set current value and the third preset temperature.
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 and the first pre-set current value, judge 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 wind turbine electric current of machine and first pre-set current value judge whether that the air conditioner is made to exit indoor unit anti-freeze pattern "
Step specifically includes:If the wind turbine electric current of the indoor unit is greater than or equal to first pre-set current value, make the sky
Device is adjusted to exit indoor unit anti-freeze pattern.
The present invention also provides a kind of air conditioner, the air conditioner includes controller, and the controller is configured to hold
The indoor unit anti-freeze control method for air conditioner described in row any of the above-described optimal technical scheme.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, the indoor unit anti-freeze
Control method includes:In the air conditioner refrigerating operaton, the wind turbine electric current and coil temperature of the indoor unit are obtained;According to institute
The wind turbine electric current of indoor unit and the correspondence of coil temperature are stated, selectively makes the air conditioner anti-into corresponding indoor unit
Freezing mode.Due to only by the wind turbine electric current of the indoor unit or only by the coil temperature of the indoor unit to the room
When freezing degree and being judged of interior machine, it is easy to lead to error in judgement due to being influenced by other irrelevant factors;Therefore, originally
The indoor unit anti-freeze control method of invention by simultaneously introduce two Rule of judgment come to the indoor unit freeze degree into
Row judges that that is, described air conditioner can be according to the wind turbine electric current of the indoor unit and the correspondence of coil temperature, selectively
The air conditioner is set to enter corresponding indoor unit anti-freeze pattern, to effectively improve the accuracy of judgement.The present invention is according to institute
The correspondence of the wind turbine electric current and coil temperature of stating indoor unit freezes degree judge the indoor unit, to select most
Excellent indoor unit anti-freeze pattern is merely able to be sought unity of action identical anti-freeze according to Rule of judgment with air conditioner in the prior art
The technical solution of pattern is compared, and the present invention, which makes the anti-freeze of the air conditioner operate, becomes more intelligent and flexible, and will not
Due to the air conditioner operation anti-freeze pattern correspondence it is bad and occur the energy excessively waste and deicing it is ineffective
Situation.
It is understood that in certain freezing range, when the indoor unit freeze situation it is more serious when, the room
The temperature of interior machine coil pipe will necessarily be lower.Further, since the wind turbine electric current of the indoor unit can be with the indoor unit
The change for freezing degree and generate corresponding variation, and the change of the wind turbine electric current is not easily susceptible to the dry of irrelevant factor
It disturbs.The anti-freeze control method of the present invention judges the interior by wind turbine electric current in conjunction with the indoor unit and coil temperature
Machine freezes degree so that the air conditioner can more accurately to the indoor unit freeze situation carry out it is significantly more efficient
Judge, effectively to avoid existing air conditioner only by inner coil pipe temperature to the indoor unit when freezing situation and judging,
It is highly susceptible to the problem of other irrelevant factors influence and lead to erroneous judgement.
Specifically, the wind turbine current attenuation degree when the indoor unit is relatively low, and the coil temperature of the indoor unit
When higher, then illustrate that the indoor unit at this time is in the state slightly freezed, the air conditioner preferably makes the indoor unit enter the
One anti-freeze pattern;When the wind turbine current attenuation degree of the indoor unit is slightly higher, and the coil temperature of the indoor unit is slightly lower
When, illustrate that the indoor unit has been in the state that moderate is freezed at this time, the air conditioner preferably makes the indoor unit enter second
Anti-freeze pattern;When the wind turbine current attenuation degree of the indoor unit is very high, and the indoor unit coil temperature it is relatively low when,
Then illustrate that the indoor unit has been in the state that severe is freezed at this time, it is anti-that the air conditioner preferably makes the indoor unit enter third
Freezing mode.What the present invention effectively judged the indoor unit by this judgment mode freezes degree, so as to the air conditioner
Optimum anti-freeze pattern can accurately be selected.
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,
After the air conditioner gets in machine anti-freeze pattern, the indoor unit anti-freeze control method is by the wind of the indoor unit
Electromechanics stream and the first pre-set current value are compared;If it is default that the wind turbine electric current of the indoor unit is greater than or equal to described first
Current value then illustrates that the situation of freezing of the indoor unit has been improved;At this point, the indoor unit is made to exit anti-freeze mould
Formula.That is, the present invention is by the way that the wind turbine electric current of the indoor unit and first pre-set current value to be compared to sentence
The indoor unit that breaks exits the opportunity of anti-freeze pattern, so that the indoor unit is effectively ensured when exiting anti-freeze pattern,
Freeze situation is improved comprehensively;Meanwhile the air conditioner fast quick-recovery can also normally freeze mould after deicing
Formula, and then the refrigeration effect of the air conditioner is effectively ensured, improve user experience.
In addition, the present invention further provides a kind of air conditioner, the air conditioner packet based on the above technical solution
Controller is included, the controller is configured to execute the anti-freeze control method in above-mentioned optimal technical scheme, thus also has
The technique effect of standby above-mentioned anti-freeze control method, and compared to existing air conditioner, air conditioner of the invention can make sky
Device is adjusted to freeze degree according to indoor unit and select optimal anti-freeze pattern, so that the anti-freeze of the air conditioner is operated becomes more
Add intelligence and flexibly, and the anti-freeze pattern correspondence that will not be run due to the air conditioner is bad and the energy occur excessively unrestrained
Take and situation that deicing is ineffective.
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.
Only the situation of freezing of indoor unit is carried out by inner coil pipe temperature based on the existing air conditioner proposed in background technology
Judge, it is easy to the problem of causing to judge by accident.The present invention provides a kind of indoor unit anti-freeze control method for air conditioner, purports
Only the opportunity for entering anti-freeze pattern is judged by single factors solving existing air conditioner, it is easy to because other because
Element influence and cause erroneous judgement the problem of.
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 and coil temperature of indoor unit are obtained;
S2:According to the wind turbine electric current of indoor unit and the correspondence of coil temperature, selectively enter air conditioner corresponding
Indoor unit anti-freeze pattern.
It will be appreciated to those of skill in the art that in certain freezing range, freeze situation when the indoor unit
When more serious, the temperature of the indoor unit coil pipe will necessarily be lower.Meanwhile the wind turbine size of current of the indoor unit also can be anti-
Reflect the air conditioner freezes degree, is to determine due to the load of the wind turbine under certain rotating speed, it is corresponding
Wind turbine electric current is also to determine.In other words, when the rotating speed of the wind turbine determines, if the windage of the wind turbine is bigger, institute
That states indoor unit freezes that degree is more serious, and the wind turbine electric current of the indoor unit is also smaller;Meanwhile if the wind turbine electric current is got over
It is small, then illustrate that the windage of the wind turbine is bigger, that is to say, that the indoor unit to freeze degree more serious.Therefore, energy of the present invention
Enough by the correspondence of the coil temperature of the indoor unit and wind turbine electric current can to the indoor unit freeze degree into
Row effectively judges.
It should be noted that in practical applications, the mode of experiment can be first passed through before air conditioner manufacture by different jellies
The wind turbine electric current and coil temperature of indoor unit under knot degree are measured respectively, i.e., make the air conditioner under non-frozen state
Refrigerating operaton, and the first pre-set current value and the first preset temperature are measured respectively;Make the air-conditioning under slight frozen state
Device refrigerating operaton, and the second pre-set current value and the second preset temperature are measured respectively;Make the sky under severe frozen state
Device refrigerating operaton is adjusted, and measures third pre-set current value and third preset temperature respectively.Certainly, those skilled in the art can be with
The extent and scope that freezes of the air conditioner is flexibly set according to practical situation, such as area can be freezed according to inner coil pipe
It distinguishes, the air conditioner is set when the inner coil pipe freezeout does not occur as non-frozen state, in the inner coil pipe
It sets the air conditioner when freezing area up to 30% as moderate to freeze, when the inner coil pipe freezes area up to 80% described in setting
Air conditioner freezes for severe.
Further, on the basis of such setting means, the indoor unit measured will be corresponded under each situation respectively
Wind turbine electric current and coil temperature carry out interval division, i.e., if the wind turbine electric current of the indoor unit to be greater than or equal to first default
Current value, and the coil temperature of the indoor unit is greater than or equal to the first preset temperature, then illustrates that the indoor unit is in not
Icing condition, the indoor unit are not necessarily to enter anti-freeze pattern;If the wind turbine electric current of the indoor unit is less than the first default electricity
Flow valuve and it is more than the second pre-set current value, and the coil temperature of the indoor unit is less than the first preset temperature and pre- more than second
If when temperature, then illustrating that the indoor unit is in the state slightly freezed;If the wind turbine electric current of the indoor unit is less than second
Pre-set current value and it is more than third pre-set current value, and the coil temperature of the indoor unit is less than and the second preset temperature and is more than
When third preset temperature, then illustrate that the indoor unit is in the state that moderate is freezed;If the wind turbine electric current of the indoor unit is small
In third pre-set current value, and when the coil temperature of the indoor unit is less than third preset temperature, then illustrate the indoor unit
The state freezed in severe.
It will be appreciated to those of skill in the art that in a preferred embodiment of the invention, the first pre-set current value is more than
Second pre-set current value, the second pre-set current value are more than third pre-set current value;And it is default that the first preset temperature is more than second
Temperature, the second preset temperature are more than third preset temperature.Those skilled in the art can flexibly set in practical applications
One pre-set current value, the first preset temperature, the second pre-set current value, the second preset temperature, third pre-set current value, third are default
The concrete numerical value of temperature, if the separation determined by these preset values can distinguish indoor unit freeze degree so that institute
Optimum indoor unit anti-freeze pattern can be selected by stating air conditioner.
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
It is shown, " according to the wind turbine electric current of the indoor unit and the correspondence of coil temperature, the air conditioner is selectively made to enter phase
The step of indoor unit anti-freeze pattern answered ", specifically includes:If the wind turbine electric current of the indoor unit is less than the first predetermined current
It is worth and is more than the second pre-set current value, and the coil temperature of the indoor unit is less than the first preset temperature and is preset more than second
Temperature then makes the air conditioner enter the first anti-freeze pattern.Since the indoor unit only exists in the state slightly freezed at this time,
The air conditioner can quickly improve freezing for the indoor unit in such a way that the aperture of electric expansion valve is increased 50 steps
Situation;Certainly, technical staff can also set according to actual conditions pair the first anti-freeze pattern of different air conditioners.
Preferably, as shown in Fig. 2, " according to the wind turbine electric current of the indoor unit and the correspondence of coil temperature, selectivity
Ground make the air conditioner enter corresponding indoor unit anti-freeze pattern " the step of specifically include:If the wind turbine of the indoor unit
Electric current is less than or equal to the second pre-set current value and is more than third pre-set current value, and the coil temperature of the indoor unit is less than
Or equal to second preset temperature and be more than third preset temperature, then so that the air conditioner is entered the second anti-freeze pattern.By
It is in the state that moderate is freezed in the indoor unit at this time, the air conditioner needs the aperture of electric expansion valve increasing 50 steps simultaneously
And 0.8 times of the mode that the frequency of compressor is reduced to current frequency could quickly improve the indoor unit freeze situation;
Certainly, technical staff can also set according to actual conditions pair the second anti-freeze pattern of different air conditioners.
Preferably, as shown in Fig. 2, " according to the wind turbine electric current of the indoor unit and the correspondence of coil temperature, selectivity
Ground make the air conditioner enter corresponding indoor unit anti-freeze pattern " the step of specifically include:If the wind turbine of the indoor unit
Electric current is less than or equal to third pre-set current value, and the coil temperature of the indoor unit is less than or equal to the default temperature of the third
Degree, then make the air conditioner enter third anti-freeze pattern.Since the indoor unit has been in the state that severe is freezed at this time,
The air conditioner will protect indoor unit by way of autostop;Certainly, technical staff can also be according to different air conditioners
Actual conditions third anti-freeze pattern is set.
It should be noted that the present invention also provides a kind of control methods exiting anti-freeze pattern, in the excellent of this method
It selects in embodiment, after the air conditioner gets in machine anti-freeze pattern, the air conditioner is by the wind turbine of the indoor unit
Electric current and the first pre-set current value are compared;If the wind turbine electric current of the indoor unit is greater than or equal to the first predetermined current
Value, then illustrate that the situation of freezing of the indoor unit has been improved;At this point, the indoor unit is made to exit anti-freeze pattern.
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 and coil temperature of the indoor unit are obtained;
According to the wind turbine electric current of the indoor unit and the correspondence of coil temperature, selectively enter the air conditioner corresponding
Indoor unit 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 of indoor unit and the correspondence of coil temperature are stated, selectively makes the air conditioner anti-into corresponding indoor unit
The step of freezing mode ", specifically includes:
If the wind turbine electric current of the indoor unit is less than the first pre-set current value and is more than the second pre-set current value, and the room
The coil temperature of interior machine is less than the first preset temperature and is more than the second preset temperature, then the air conditioner is made to enter the first anti-freeze
Pattern,
Wherein, first pre-set current value is more than second pre-set current value, and first preset temperature is more than described the
Two preset temperatures.
3. 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 of indoor unit and the correspondence of coil temperature are stated, selectively makes the air conditioner anti-into corresponding indoor unit
The step of freezing mode ", specifically includes:
If the wind turbine electric current of the indoor unit is less than or equal to the second pre-set current value and is more than third pre-set current value, and
The coil temperature of the indoor unit is less than or equal to second preset temperature and is more than third preset temperature, then makes the air-conditioning
Device enters the second anti-freeze pattern,
Wherein, second pre-set current value is more than the third pre-set current value, and second preset temperature is more than described the
Three preset temperatures.
4. 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 of indoor unit and the correspondence of coil temperature are stated, selectively makes the air conditioner anti-into corresponding indoor unit
The step of freezing mode ", specifically includes:
If the wind turbine electric current of the indoor unit is less than or equal to third pre-set current value, and the coil temperature of the indoor unit
Less than or equal to the third preset temperature, then the air conditioner is made to enter third anti-freeze pattern.
5. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that the interior
Machine anti-freeze control method further includes:
When the air conditioner refrigerating operaton and the indoor unit are in non-icing condition, measure first pre-set current value and
First preset temperature.
6. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that the interior
Machine anti-freeze control method further includes:
When the air conditioner refrigerating operaton and the indoor unit are in slight icing condition, second pre-set current value is measured
With second preset temperature.
7. the indoor unit anti-freeze control method according to claim 3 for air conditioner, which is characterized in that the interior
Machine anti-freeze control method further includes:
When the air conditioner refrigerating operaton and the indoor unit are in severe icing condition, the third pre-set current value is measured
With the third preset temperature.
8. the indoor unit anti-freeze control method for air conditioner according to any one of claim 2 to 7, 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 and the first default electricity
Flow valuve judges 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 wind turbine electric current of indoor unit and first pre-set current value are stated, judges whether that the air conditioner is made to exit indoor unit anti-freeze mould
The step of formula ", specifically includes:
If the wind turbine electric current of the indoor unit is greater than or equal to first pre-set current value, the air conditioner is made to exit room
Interior machine anti-freeze pattern.
10. a kind of air conditioner, the air conditioner includes controller, which is characterized in that the controller is configured to right of execution
Profit requires the indoor unit anti-freeze control method for air conditioner described in any one of 1 to 9.
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CN201810151968.2A CN108444034B (en) | 2018-02-14 | 2018-02-14 | Anti-freezing control method for indoor unit of air conditioner and air conditioner |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111189187A (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 |
CN111189184A (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 |
CN111189165A (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 |
CN111189158A (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 |
CN111189159A (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 |
CN111189188A (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 |
CN111189185A (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 |
CN112762593A (en) * | 2021-01-06 | 2021-05-07 | 青岛海尔空调器有限总公司 | Control method and device for preventing freezing of air conditioner evaporator and cabinet air conditioner |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201072272Y (en) * | 2007-06-07 | 2008-06-11 | 中国人民解放军总后勤部建筑工程研究所 | Heat pump defrosting control device of cooling and heating blower |
CN101660808A (en) * | 2008-08-29 | 2010-03-03 | Tcl集团股份有限公司 | Air conditioner and frost removal control method thereof |
US7836707B2 (en) * | 2006-01-20 | 2010-11-23 | Carrier Corporation | Methods for detecting and responding to freezing coils in HVAC systems |
CN104807132A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Defrosting control method and device |
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 |
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 |
CN105980784A (en) * | 2014-03-28 | 2016-09-28 | 江森自控日立空调技术(香港)有限公司 | Air conditioner |
CN106288144A (en) * | 2016-07-26 | 2017-01-04 | 广东美的暖通设备有限公司 | Air-conditioner and Defrost method thereof |
CN107084507A (en) * | 2017-06-05 | 2017-08-22 | 广东美的暖通设备有限公司 | Defrost determination methods, defrost judge system and air-conditioning |
-
2018
- 2018-02-14 CN CN201810151968.2A patent/CN108444034B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7836707B2 (en) * | 2006-01-20 | 2010-11-23 | Carrier Corporation | Methods for detecting and responding to freezing coils in HVAC systems |
CN201072272Y (en) * | 2007-06-07 | 2008-06-11 | 中国人民解放军总后勤部建筑工程研究所 | Heat pump defrosting control device of cooling and heating blower |
CN101660808A (en) * | 2008-08-29 | 2010-03-03 | Tcl集团股份有限公司 | Air conditioner and frost removal control method thereof |
CN104807132A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Defrosting control method and device |
CN105980784A (en) * | 2014-03-28 | 2016-09-28 | 江森自控日立空调技术(香港)有限公司 | Air conditioner |
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 |
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 |
CN106288144A (en) * | 2016-07-26 | 2017-01-04 | 广东美的暖通设备有限公司 | Air-conditioner and Defrost method thereof |
CN107084507A (en) * | 2017-06-05 | 2017-08-22 | 广东美的暖通设备有限公司 | Defrost determination methods, defrost judge system and air-conditioning |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111189188B (en) * | 2018-11-14 | 2021-09-21 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
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CN111189188A (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 |
CN111189184A (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 |
CN111189165B (en) * | 2018-11-14 | 2022-04-15 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
CN111189159A (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 |
CN111189187B (en) * | 2018-11-14 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
CN111189184B (en) * | 2018-11-14 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
CN111189185B (en) * | 2018-11-14 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
CN111189158B (en) * | 2018-11-14 | 2022-03-29 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
CN112762593A (en) * | 2021-01-06 | 2021-05-07 | 青岛海尔空调器有限总公司 | Control method and device for preventing freezing of air conditioner evaporator and cabinet air conditioner |
CN114608145A (en) * | 2022-02-24 | 2022-06-10 | 青岛海尔空调器有限总公司 | Control method and control device for air conditioner, air conditioner and storage medium |
CN114608145B (en) * | 2022-02-24 | 2024-02-20 | 青岛海尔空调器有限总公司 | Control method and control device for air conditioner, air conditioner and storage medium |
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