CN108444046A - Indoor unit anti-freeze control method for air conditioner - Google Patents
Indoor unit anti-freeze control method for air conditioner Download PDFInfo
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- CN108444046A CN108444046A CN201810151970.XA CN201810151970A CN108444046A CN 108444046 A CN108444046 A CN 108444046A CN 201810151970 A CN201810151970 A CN 201810151970A CN 108444046 A CN108444046 A CN 108444046A
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- indoor unit
- air conditioner
- wind turbine
- freeze
- electric current
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
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 only judges the situation of freezing of indoor unit by inner coil pipe temperature, it is easy to the problem of causing to judge by accident.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 and coil temperature of indoor unit, judge whether that air conditioner is made to get in machine anti-freeze pattern.The present invention judges that air conditioner gets in the opportunity of machine anti-freeze pattern simultaneously by the wind turbine electric current and coil temperature of indoor unit, effectively to avoid existing air conditioner only by inner coil pipe temperature to indoor unit when freezing situation and judging, it is highly susceptible to the problem of other irrelevant factors influence and lead to erroneous judgement, and then farthest ensure that indoor unit can rapidly and accurately enter anti-freeze pattern so that the heat exchange efficiency of air conditioner is effectively ensured.
Description
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.It follows that air conditioner only relies on the inner coil pipe of temperature sensor measurement
Temperature is difficult effectively to be judged the bulk freezing situation of indoor unit；Therefore, air conditioner also just can not to indoor unit in time into
Row deicing is handled, and the generation of such case can seriously affect the heat exchange efficiency of air conditioner, is declined 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 only by inner coil pipe temperature to room
The situation of freezing of interior machine is judged, it is easy to which the problem of causing to judge by accident, the present invention provides a kind of interiors for air conditioner
Machine anti-freeze control method, the indoor unit anti-freeze control method include：In the air conditioner refrigerating operaton, described in acquisition
The coil temperature of the wind turbine electric current and the indoor unit of indoor unit；According to the wind turbine electric current of the indoor unit and the indoor unit
Coil temperature judges 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 coil temperature of the wind turbine electric current and the indoor unit of machine 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；
If the wind turbine electric current of the indoor unit and the ratio of the standard current value are less than first preset value, by standard coil pipe
The difference of the coil temperature of temperature and the indoor unit is compared with the second preset value；According to the standard coil temperature and institute
The comparison result for stating the difference and second preset value of the coil temperature of indoor unit judges whether to make the air conditioner into entering the room
Interior 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 standard
The comparison result of the difference of the coil temperature of coil temperature and the indoor unit and second preset value judges whether to make described
Air conditioner gets in machine anti-freeze pattern " the step of specifically include：If the standard coil temperature and the indoor unit
The difference of coil temperature is more than second 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, 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, the standard plate tube temperature
Degree is the coil temperature that the indoor unit is in the indoor unit of the wind turbine under different rotating speeds when non-icing condition.
Above-mentioned in the optimal technical scheme of the indoor unit anti-freeze control method of air conditioner, first preset value
Arbitrary value and/or second preset value between being 0.85 to 0.95 are the arbitrary value between 3 to 5 degrees Celsius.
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, " according to the interior
The wind turbine electric current of machine judges whether that the air conditioner is made to exit indoor unit anti-freeze pattern " the step of specifically include：By the room
The wind turbine electric current of interior machine and the ratio of the standard current value are compared with third preset value；According to the wind turbine of the indoor unit
The comparison result of electric current and the ratio of the standard current value and the third preset value 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 the third 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 the third 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, the third 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
With the coil temperature of the indoor unit；According to the coil temperature of the wind turbine electric current and the indoor unit of the indoor unit, judgement is
It is no that the air conditioner is made to get in machine anti-freeze pattern.If the coil temperature of the indoor unit is low or the indoor unit
Wind turbine electric current and standard current value ratio be not less than preset value, then so that the indoor unit is entered anti-freeze pattern；Meanwhile
If the coil temperature of the indoor unit is too low and the wind turbine electric current and the ratio of the standard current value of the indoor unit are small
In preset value, then the indoor unit is made to enter anti-freeze pattern.That is, in the preferred embodiment, only when above-mentioned
When two conditions meet simultaneously, the air conditioner can just make the indoor unit enter anti-freeze pattern, and work as two above-mentioned items
When in part there are one being unsatisfactory for or being all unsatisfactory for, the air conditioner would not make the indoor unit enter anti-freeze pattern.
Compared with prior art, the present invention is by being added the judgement to the wind turbine electric current of the indoor unit, effectively to avoid existing sky
Adjust device only by inner coil pipe temperature to the indoor unit when freezing situation and judging, it is easy to by other irrelevant factor shadows
The problem of ringing and leading to erroneous judgement, and then farthest ensure that the indoor unit can rapidly and accurately enter anti-freeze pattern,
So that the heat exchange efficiency of the air conditioner is effectively ensured.
Further, due to when the relatively low and indoor humidity of the coil temperature of the indoor unit is relatively low, the interior
Machine not necessarily will produce freezeout；Therefore, the present invention is total in combination with the coil temperature and wind turbine electric current of the indoor unit
With judging that the indoor unit enters the opportunity of anti-freeze pattern, dramatically to improve the accuracy of judgement.It is appreciated that
, since the wind turbine electric current of the indoor unit can generate corresponding change with the change for freezing degree of the indoor unit
Change, and the change of the wind turbine electric current is not easily susceptible to the interference of irrelevant factor；Therefore, the present invention needs simultaneously according to the room
The coil temperature and wind turbine electric current of interior machine freeze situation judge the indoor unit, so that the air conditioner can be more
Accurately the situation of freezing of the indoor unit is judged.That is, the present invention passes through the wind turbine of indoor unit electricity
While stream and the ratio of the standard current value are compared with first preset value, it is also necessary to by the disk of the indoor unit
Tube temperature degree and standard coil temperature are compared, so as to further judge the air conditioner get in machine anti-freeze pattern when
Machine, since what the wind turbine electric current of the indoor unit can accurately reflect entire indoor unit freezes situation, without there are existing skills
Local circumstance is only relied in art easily there is misjudgment phenomenon when judging bulk freezing degree, so that the air-conditioning
Device 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 wind turbine electric current of the indoor unit and the ratio of standard current value and third preset value
It is compared；If the wind turbine electric current of the indoor unit and the ratio of the standard current value are default more than or equal to the third
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 the third
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.
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 of indoor unit and the coil temperature of indoor unit are obtained；
S2：According to the wind turbine electric current of indoor unit and the coil temperature 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 and the indoor unit are obtained
Coil temperature；According to the coil temperature of the wind turbine electric current and the indoor unit of the indoor unit, judge whether to make the air-conditioning
Device gets in machine anti-freeze pattern.That is, in the preferred embodiment, only when the wind turbine electric current of the indoor unit and
When the coil temperature of the indoor unit meets predetermined condition simultaneously, the air conditioner just can make the indoor unit enter anti-freeze mould
Formula, and when the indoor unit wind turbine electric current and the indoor unit any one of coil temperature be unsatisfactory for predetermined condition or
When person is all unsatisfactory for predetermined condition, the air conditioner would not make the indoor unit enter anti-freeze pattern.With the prior art
It compares, the present invention is by being added the judgement to the wind turbine electric current of the indoor unit, effectively to avoid existing air conditioner from only 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, and then farthest ensure that the indoor unit can rapidly and accurately enter anti-freeze pattern so that the sky
The heat exchange efficiency of device is adjusted to be effectively ensured.
Those skilled in the art, whether the indoor unit, which will produce, is freezed situation and is influenced by several factors, because
This, the coil temperature for only relying on the indoor unit be difficult accurately reflect the indoor unit freeze situation.For example, working as the interior
When the relatively low and indoor humidity of coil temperature of machine is relatively low, the indoor unit just not necessarily will produce freezeout.And work as institute
State indoor unit coil temperature it is relatively low when, the wind turbine size of current of the indoor unit then more can directly reflect entire room
Interior machine freezes degree；It is to determine due to the load of the wind turbine under certain rotating speed, corresponding wind turbine electric current
Also it is to determine.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,
Its 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, that is to say, that the indoor unit has generated freezeout.It is understood that the indoor unit freezes situation
More serious, the wind turbine electric current is with regard to smaller.Therefore, the present invention can not only effectively obtain the interior by the wind turbine electric current
The bulk freezing situation of machine, 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 and coil temperature of indoor unit are 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 S103；If it is not, then executing step S104；
S103：Whether the difference of the coil temperature of criterion coil temperature and indoor unit is more than the second preset value；If
It is to then follow the steps S105；If it is not, then executing step S104；
S104：Air conditioner is set to maintain present mode；
S105：Air conditioner is set to get in machine anti-freeze pattern；
S106：Whether the ratio of the wind turbine electric current and standard current value that judge indoor unit is greater than or equal to third preset value；
If so, thening follow the steps S107；If it is not, then executing step S106 again；
S107：Air conditioner is set to exit indoor unit anti-freeze pattern.
Further, the wind turbine electric current and coil temperature that the indoor unit is obtained in step S101, so as to the interior
Machine anti-freeze control method can judge that the indoor unit enters jointly according to the wind turbine electric current and coil temperature of the indoor unit
The opportunity of anti-freeze pattern, and according to the wind turbine electric current of the indoor unit judge the indoor unit exit anti-freeze pattern when
Machine.Then in step s 102, it is pre- whether the ratio of the wind turbine electric current and standard current value that judge the indoor unit is less than first
If value, so that the indoor unit anti-freeze control method can be first according to the wind turbine electric current of the indoor unit to the indoor unit
Freeze situation tentatively to be judged.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 then illustrates that the indoor unit does not generate freezeout, executes step S104, even if air conditioner maintenance is worked as
Preceding operational mode；If the wind turbine electric current of the indoor unit and the ratio of the standard current value are less than the first preset value, explanation
Freezeout may occur in the indoor unit；At this point, executing step S103, i.e., the described indoor unit anti-freeze control method is also
Need what the coil temperature by the indoor unit further determined that the indoor unit to freeze situation.
Specifically, in step s 103, by the difference of the coil temperature of the indoor unit and standard coil temperature and second
Preset value is compared, so as to according to the difference of the coil temperature of the indoor unit and the standard coil temperature and described second
The comparison result of preset value further determines whether that the air conditioner is made to get in machine anti-freeze pattern.It should be noted that
Although in the preferred embodiment, the indoor unit anti-freeze control method enters and exits antifreeze including the indoor unit simultaneously
The control method of knot pattern, still, technical staff obviously can also voluntarily select a portion control according to actual use demand
Method processed is used.
Further, in step s 103, if the difference of the coil temperature of the indoor unit and standard coil temperature is big
In second preset value, then illustrate that the indoor unit has generated more serious freezeout really；At this point, executing step
S105, even if the air conditioner gets in machine anti-freeze pattern.If the coil temperature of the indoor unit and the standard plate
The difference of tube temperature degree be less than or equal to second preset value, then illustrate the indoor unit there may be other abnormal conditions to
Leading to the wind turbine of the indoor unit, the load becomes large, i.e., the possibility that the described wind turbine electric current reflects not is freezing for the indoor unit
Situation；At this point, the indoor unit does not generate serious freezeout, step S104 is executed, even if the air conditioner maintains
Present mode of operation.The present invention judges that the air conditioner enters by the wind turbine electric current and coil temperature of the indoor unit simultaneously
The opportunity of indoor unit anti-freeze pattern so that the air conditioner judges that the indoor unit freezes the ability of degree and obtains high degree
Raising.
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；Second preset value is the arbitrary value between 3 to 5 degrees Celsius.Certainly, this is not restrictive, art technology
The concrete numerical value of the first preset value and the second preset value can be flexibly arranged in personnel in practical applications, as long as default by first
The separation of value determination can judge whether the wind turbine electric current of the indoor unit excessively decays, point determined by the second preset value
Boundary's point can judge whether the coil temperature of the indoor unit is too low.Meanwhile the mark described in this preferred embodiment
Quasi- current value and standard coil temperature can be measured before air conditioner manufacture；It is in not in the air conditioner
When icing condition, the air conditioner is made to be run with standard condition, during the air conditioner is run with standard condition, measured
The wind turbine of the indoor unit corresponding standard current value and standard coil temperature under different rotating speeds.It should be noted that
The present invention is not limited in any way the method for bioassay standard current value and standard coil temperature.
Those skilled in the art are also understood that, although in the preferred embodiment, the air conditioner is first to described
The wind turbine electric current of indoor unit is judged, then is judged the coil temperature of the indoor unit；But the air conditioner is obvious
First the coil temperature of the indoor unit can also be judged, then the wind turbine electric current of the indoor unit is judged.Change speech
It, those skilled in the art can flexibly set above-mentioned judgment step in practical applications, as long as can pass through the interior
The wind turbine electric current of the coil temperature of machine and the indoor unit is to determine whether make the air conditioner get in machine anti-freeze mould
Formula.
Further, in step s 106, by the wind turbine electric current of the indoor unit and the ratio of the standard current value with
Third preset value is compared；It is pre- according to the ratio and the third of the wind turbine electric current of the indoor unit and the standard current value
If the comparison result of value, judges whether that the air conditioner is made to exit indoor unit 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 the third preset value, and illustrate the indoor unit has freezed situation
Through being effectively improved；At this point, step S107 is executed, even if the air conditioner exits indoor unit anti-freeze pattern.If described
The wind turbine electric current of indoor unit and the ratio of the standard current value are less than the third preset value, then illustrate the jelly of the indoor unit
Situation is tied still than more serious；At this point, executing step S106 again, i.e., judged again, so as in the jelly of the indoor unit
Row exits anti-freeze pattern again when knot situation obtains improving.The wind turbine electric current and standard current value that the present invention passes through the indoor unit
Judge that the air conditioner exits the opportunity of anti-freeze pattern, so that the air conditioner can fast quick-recovery be just after deicing
Normal refrigeration mode, 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, the third preset value be 0.95 to 1 between it is arbitrary
Value；Certainly, this is not restrictive, and the tool of third 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 the third 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 coil temperature of the wind turbine electric current and the indoor unit of the indoor unit is obtained；
According to the coil temperature of the wind turbine electric current and the indoor unit of the indoor unit, judge whether to make the air conditioner into entering the room
Interior 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 coil temperature for stating the wind turbine electric current and the indoor unit of indoor unit judges whether that the air conditioner is made to get in machine anti-freeze
The step of pattern ", specifically includes：
The ratio of the wind turbine electric current of the indoor unit and standard current value is compared with the first preset value；
If the wind turbine electric current of the indoor unit and the ratio of the standard current value are less than first preset value, by standard
The difference of the coil temperature of coil temperature and the indoor unit is compared with the second preset value；
According to the comparison knot of the difference of the standard coil temperature and the coil temperature of the indoor unit and second preset value
Fruit judges 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 difference and second preset value of the coil temperature of standard coil temperature and the indoor unit, judges whether
So that the air conditioner is got in machine anti-freeze pattern " the step of specifically include：
If the difference of the coil temperature of the standard coil temperature and the indoor unit is more than second preset value, make institute
It states air conditioner and 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 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.
5. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that the standard
Coil temperature is the coil pipe temperature that the indoor unit is in the indoor unit of the wind turbine under different rotating speeds when non-icing condition
Degree.
6. the indoor unit anti-freeze control method according to claim 2 for air conditioner, which is characterized in that described first
Preset value be 0.85 to 0.95 between arbitrary value and/or second preset value be 3 to 5 degrees Celsius between it is arbitrary
Value.
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 " according to institute
The wind turbine electric current for stating indoor unit judges whether that the air conditioner is made to exit indoor unit anti-freeze pattern " the step of specifically include：
The ratio of the wind turbine electric current of the indoor unit and the standard current value is compared with third 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 the third 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 the third 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 the third 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
Three preset values are the arbitrary value between 0.95 to 1.
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