CN107560079A - Control method and device, air-conditioning for antifrost - Google Patents
Control method and device, air-conditioning for antifrost Download PDFInfo
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- CN107560079A CN107560079A CN201710787697.5A CN201710787697A CN107560079A CN 107560079 A CN107560079 A CN 107560079A CN 201710787697 A CN201710787697 A CN 201710787697A CN 107560079 A CN107560079 A CN 107560079A
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- temperature
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- indoor coil
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Abstract
The invention discloses a kind of control method for antifrost, belong to air-conditioning technical field.This method includes：In cooling mode, two or more indoor coil branch road temperature is gathered；According to the working frequency of two or more indoor coil branch road temperature adjustment compressor.In the present invention, the temperature of multiple indoor coil branch roads is gathered, the temperature of comprehensive multiple indoor coil branch roads determines the working frequency of compressor, improves the accuracy of the working frequency regulation to compressor, when heat exchanger occurs shunting uneven indoors, effectively it can prevent frost from producing.The invention also discloses a kind of control device and air-conditioning for antifrost.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of control method and device for antifrost, air-conditioning.
Background technology
Prior art discloses the control method that indoor heat exchanger frosting is prevented during a kind of inverter air conditioner refrigerating operaton, bag
Include：In refrigerating operaton, the coil temperature Tm of indoor heat exchanger is detected in real time as the foundation judged；Control under normal condition
Process is after frequency-changeable compressor starting up, Tm can be gradually reduced, and when Tm drops between 8~9 DEG C, frequency-changeable compressor is with 10
~15s/Hz slow the raising frequency of speed；Now Tm may proceed to decline, when Tm drops between 3~5 DEG C, by current frequency conversion pressure
Contracting machine running frequency is defined as highest frequency, keeps highest frequency stable operation so that Tm is also steadily in the long term between 3~5 DEG C
Optimum temperature range in；When the heat exchange situation of indoor heat exchanger, which changes, to be caused to recept the caloric slight insufficient, Tm can up to
Continue to decline after optimum temperature range between to 3~5 DEG C, when Tm drops between 1~2 DEG C, frequency-changeable compressor with 5~
The 10s/Hz slow frequency reducing of speed, until Tm stops frequency reducing when going back up to 5~6 DEG C again, then keep current frequency now steady
Fixed operation；When exception, which occurs, for the heat exchange situation of indoor heat exchanger causes caloric receptivity wretched insufficiency, Tm can decline rapidly, when under Tm
When between dropping to -1~-2 DEG C, frequency-changeable compressor is shut down；After shutdown after Tm is gone back up in the range of 7~9 DEG C, recover normal condition
Under raising frequency at a slow speed, if frequency-changeable compressor occur again after resuming operation Tm drop to -1~-2 DEG C between when, shut down report
Failure.Although this method can solve heat exchanger indoors coil temperature it is too low when, directly shut down or to compressor significantly
Frequency reducing is spent, the room temperature fluctuation brought is larger, the problem of people feels under the weather, but is limited by temperature-detecting device installation site
System, when indoor heat exchanger occurs shunting uneven, effectively it can not prevent frost from producing.
The content of the invention
The embodiments of the invention provide a kind of control method and device for antifrost, air-conditioning, it is intended to solves existing skill
Art indoors heat exchanger occur shunting it is uneven when, the problem of effectively can not preventing frost from producing.For the implementation to disclosure
The some aspects of example have a basic understanding, shown below is simple summary.The summarized section is not extensive overview, not yet
It is key/critical component to be determined or describes the protection domain of these embodiments.Its sole purpose is with simple form
Some concepts are presented, in this, as the preamble of following detailed description.
First aspect according to embodiments of the present invention, there is provided a kind of method for antifrost, including：In refrigeration mode
Under, gather two or more indoor coil branch road temperature；According to two or more indoor coil branch road temperature adjustment
The working frequency of compressor.
Alternatively, the work frequency for being determined according to two or more indoor coil branch road temperature and adjusting compressor
Rate, including：The minimum temperature value for determining two or more indoor coil branch road temperature is regulation temperature；According to the regulation
The working frequency of temperature adjustment compressor.
Alternatively, wherein, an indoor coil branch road be feed tube group supervisor or the coil pipe branch road that is closed on valve be into
Liquid pipe group.
Alternatively, the work frequency for being determined according to two or more indoor coil branch road temperature and adjusting compressor
Rate, including：The average temperature value of two or more indoor coil branch road temperature is calculated, determines the average temperature value to adjust
Save temperature；According to the working frequency of the regulation temperature adjustment compressor.
Alternatively, the work frequency for being determined according to two or more indoor coil branch road temperature and adjusting compressor
Rate, including：Calculate the average temperature value of two or more indoor coil branch road temperature；The average temperature value is calculated to subtract
The difference of the minimum temperature value of two or more indoor coil branch road temperature；When the difference is more than or equal to the first setting
During temperature, the minimum temperature value for determining two or more indoor coil branch road temperature is regulation temperature；When the difference is small
When the first design temperature, determine the average temperature value for regulation temperature；According to the work of the regulation temperature adjustment compressor
Working frequency.
Alternatively, the working frequency according to the regulation temperature adjustment compressor, including：Calculate the second design temperature
Subtract the difference DELTA t of the regulation temperature；The Adjusted Option of compressor operating frequency is determined according to the difference DELTA t.
Alternatively, the Adjusted Option of compressor operating frequency is determined according to the difference DELTA t, including：Calculate the second setting
Temperature subtracts the difference DELTA t of the regulation temperature；When the difference DELTA t is more than or equal to the first setting temperature approach, regulation pressure
The working frequency of contracting machine periodically reduces according to first frequency value；When the difference DELTA t is more than or equal to the second setting temperature approach
And during less than the described first setting temperature approach, the working frequency for adjusting compressor periodically reduces according to second frequency value；Work as institute
When stating difference DELTA t more than or equal to the 3rd setting temperature approach and being less than the described second setting temperature approach, the work of compressor is adjusted
Frequency periodically reduces according to the 3rd frequency values；When the difference DELTA t is less than the described 3rd setting temperature approach, compressor maintains
First setting time is run with current working frequency.
Alternatively, the working frequency of the compressor is more than or equal to setpoint frequency F.
Second aspect according to embodiments of the present invention, there is provided a kind of device for antifrost, including：Collecting unit, use
In in cooling mode, gathering two or more indoor coil branch road temperature；Adjustment unit, for according to two or two
The working frequency of above indoor coil branch road temperature adjustment compressor.
Alternatively, the adjustment unit, it is additionally operable to the minimum temperature according to two or more indoor coil branch road temperature
Angle value adjusts the working frequency of compressor.
Alternatively, the first computing unit, for calculating the mean temperature of two or more indoor coil branch road temperature
Value, determine the average temperature value for regulation temperature；The adjustment unit, it is additionally operable to be calculated according to first computing unit
Go out to adjust the working frequency of temperature adjustment compressor.
Alternatively, the second computing unit, for calculating the mean temperature of two or more indoor coil branch road temperature
Value, and calculate the difference that the average temperature value subtracts the minimum temperature value of two or more indoor coil branch road temperature；
The adjustment unit, it is additionally operable to when the difference is more than or equal to the first design temperature, it is indoor according to two or more
The working frequency of the minimum temperature value regulation compressor of coil pipe branch road temperature；When the determination difference is less than the first design temperature
When, according to the working frequency of average temperature value regulation compressor.
Alternatively, in addition to：3rd computing unit, the difference of the regulation temperature is subtracted for calculating the second design temperature
Δt；The adjustment unit, it is additionally operable to determine the Adjusted Option of compressor operating frequency according to the difference DELTA t.
Alternatively, the adjustment unit, it is additionally operable to, when the difference DELTA t is more than or equal to the first setting temperature approach, adjust
The working frequency for saving compressor periodically reduces according to first frequency value；When the difference DELTA t is more than or equal to the second setting temperature
Difference and during less than the described first setting temperature approach, adjusts the working frequency of compressor and periodically reduces according to second frequency value；
When the difference DELTA t is more than or equal to the 3rd setting temperature approach and sets temperature approach less than described second, compressor is adjusted
Working frequency periodically reduces according to the 3rd frequency values；Alternatively, when the difference DELTA t is less than the described 3rd setting temperature approach
When, compressor maintains to run the first setting time with current working frequency.
Alternatively, the working frequency of the compressor is more than or equal to setpoint frequency F.
The third aspect according to embodiments of the present invention, there is provided a kind of air-conditioning, including indoor coil and compressor, in addition to appoint
Device described in one.
Technical scheme provided in an embodiment of the present invention can include the following benefits：
The temperature of multiple indoor coil branch roads is gathered, the temperature of comprehensive multiple indoor coil branch roads determines the work of compressor
Frequency, the accuracy of the working frequency regulation to compressor is improved, can be effective when heat exchanger occurs shunting uneven indoors
Prevent frost from producing.
In the present embodiment, it should be appreciated that the general description and following detailed description of the above be only it is exemplary and
Explanatory, the present invention can not be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is a kind of schematic flow sheet of method for antifrost according to an exemplary embodiment；
Fig. 2 is a kind of schematic flow sheet of method for antifrost according to an exemplary embodiment；
Fig. 3 is a kind of schematic flow sheet of method for antifrost according to an exemplary embodiment；
Fig. 4 is a kind of schematic flow sheet of method for antifrost according to an exemplary embodiment；
Fig. 5 is a kind of structured flowchart of device for antifrost according to an exemplary embodiment；
Fig. 6 is a kind of structured flowchart of device for antifrost according to an exemplary embodiment；
Fig. 7 is a kind of structured flowchart of device for antifrost according to an exemplary embodiment.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Embodiment only represents possible change.Unless explicitly requested, otherwise single components and functionality is optional, and
And the order of operation can change.The part of some embodiments and feature can be included in or replace other embodiments
Part and feature.The scope of embodiment of the present invention includes the gamut of claims, and the institute of claims
There is obtainable equivalent.Herein, each embodiment can individually or generally be represented that this is only with term " invention "
It is merely for convenience, and if in fact disclosing the invention more than one, it is not meant to automatically limit the scope of the application
For any single invention or inventive concept.Herein, such as first and second or the like relational terms are used only for one
Entity or operation make a distinction with another entity or operation, exist without requiring or implying between these entities or operation
Any actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property includes, so that process, method or equipment including a series of elements not only include those key elements, but also including
Each embodiment is described the other element being not expressly set out by the way of progressive herein, what each embodiment stressed
All be the difference with other embodiment, between each embodiment identical similar portion mutually referring to.For embodiment
For disclosed structure, product etc., due to its with embodiment disclosed in part it is corresponding, it is related so description is fairly simple
Part is referring to method part illustration.
Air-conditioning device in the present invention, it is related to a kind of indoor apparatus of air conditioner applied indoors, has by a plurality of coil pipe branch road
The indoor heat exchanger that tandem compound forms, in cooling mode, the temperature of coil pipe branch road can be by after frequency-changeable compressor starting up
Gradually decline, when the heat exchange situation generation exception of indoor heat exchanger causes to recept the caloric deficiency, the temperature of coil pipe branch road can reduce,
In the case that the temperature of coil pipe branch road is too low, it may occur that frost.When part coil pipe branch road appearance exception, interior can be caused to change
Hot device local temperature is too low.In the control method that invention provides, mainly for air-conditioning, coil pipe branch road in part occurs in cooling mode
It is abnormal, traditional antifrost method, it can not effectively prevent indoor heat exchanger from occurring the phenomenon of frosting.
The mode of operation of air-conditioning by air-conditioning remote control, control panel on indoor apparatus of air conditioner or is had by user to air-conditioning
The mobile terminal for having distant control function is provided with.Such as：By clicking on the refrigeration mode button control operation of air conditioner system on remote control
Chill formula.
Fig. 1 is a kind of flow chart of control method for antifrost according to an exemplary embodiment.Such as Fig. 1 institutes
Show, including：
Step S101, in cooling mode, gather two or more indoor coil branch road temperature.
Step S102, according to the working frequency of two or more indoor coil branch road temperature adjustment compressor.
Temperature sensor is set in two or more indoor coil branch road surfaces of air-conditioning, for detecting in different chamber
The temperature of coil pipe branch road, the accuracy adjusted with the working frequency improved to compressor.
In certain embodiments, a temperature sensor is disposed in the interior on the feed tube group supervisor of heat exchanger, for examining
Survey the temperature of indoor heat exchanger feed tube group supervisor.Valve is provided between indoor heat exchanger and compressor, control, which is got in, changes
The refrigerant flow of hot device.The coil pipe branch road closed on valve is feed tube group, and refrigerant flows to each indoor disk by feed tube group
Pipe branch road, refrigerant intussusception heat in flow process.Therefore, touch at first the temperature of the indoor coil branch road of refrigerant compared with
It is low.In certain embodiments, a temperature sensor in multiple temperature sensors is arranged on feed tube group supervisor and valve
On connecting line.
Wherein, the coil pipe branch road for choosing collection is adjacent or non-conterminous.Preferably, the coil pipe branch road for choosing collection is non-conterminous.
In the case of the coil pipe branch road of collection is non-conterminous, it is ensured that the temperature of collection covers the overall situation of indoor heat exchanger, keeps away
Exempt from the case where exception occurs in part coil pipe branch road, the adjacent coil pipe branch road temperature collected influences each other, and causes to pressure
The working frequency regulation of contracting machine is inaccurate, so that indoor heat exchanger local temperature is too low, potential frosting risk be present.
In the present embodiment, the temperature of multiple indoor coil branch roads is gathered, the temperature of comprehensive multiple indoor coil branch roads is true
Determine the working frequency of compressor, improve the accuracy of the working frequency regulation to compressor, heat exchanger shunts indoors
When uneven, effectively it can prevent frost from producing.
Fig. 2 is a kind of flow chart of control method for antifrost according to an exemplary embodiment.Such as Fig. 2 institutes
Show, including：
Step S201, in cooling mode, gather two or more indoor coil branch road temperature.
Step S202, the minimum temperature value for determining two or more indoor coil branch road temperature are regulation temperature.
Step S203, according to the working frequency of the regulation temperature adjustment compressor.
In the case that exception occurs in coil pipe branch road in part, line temperature can be caused uneven, according to a plurality of disk collected
The working frequency of compressor is adjusted minimum value in pipe branch road temperature, can prevent indoor heat exchanger part frosting.
Fig. 3 is a kind of flow chart of control method for antifrost according to an exemplary embodiment.Such as Fig. 3 institutes
Show, including：
Step S301, in cooling mode, gather two or more indoor coil branch road temperature.
Step S302, the average temperature value of two or more indoor coil branch road temperature is calculated, determined described average
Temperature value is regulation temperature.
Step S303, according to the working frequency of the regulation temperature adjustment compressor.
According to coil pipe branch road and the difference of feed tube group distance, there is deviation in coil pipe branch road temperature, more according to what is collected
The working frequency of compressor is adjusted the average temperature value of bar coil pipe branch road temperature, can improve working frequency and be adjusted
Accuracy, effectively prevent because local coil pipe branch road it is too high or too low for temperature to working frequency regulation accuracy it is low, knot be present
White risk.
Fig. 4 is a kind of flow chart of control method for antifrost according to an exemplary embodiment.Such as Fig. 4 institutes
Show, including：
Step S401, in cooling mode, gather two or more indoor coil branch road temperature.
Step S402, calculate the average temperature value of two or more indoor coil branch road temperature.
Step S403, calculate the minimum temperature that the average temperature value subtracts two or more indoor coil branch road temperature
The difference of angle value.
When the difference is more than or equal to the first design temperature, step S404 is performed, determines two or more room
The minimum temperature value of inner coil pipe branch road temperature is regulation temperature, and performs step S406, according to the regulation temperature adjustment compression
The working frequency of machine.
When the difference is less than the first design temperature, step S405 is performed, determines the average temperature value for regulation temperature
Degree, and step S406 is performed, according to the working frequency of the regulation temperature adjustment compressor.
Alternatively, the span of first design temperature is 1 DEG C~5 DEG C.Preferably, the first design temperature is 1 DEG C,
3 DEG C or 5 DEG C.
According to coil pipe branch road and the difference of feed tube group distance, there is deviation in coil pipe branch road temperature, according to a plurality of coil pipe branch
The working frequency of compressor is adjusted the average temperature value of road temperature can avoid caused by coil pipe bypass position difference
Frosting hidden danger, still, take into account the average temperature value of two or more indoor coil branch road temperature, and two or two with
The average temperature value of upper indoor coil branch road temperature, it is possible to prevente effectively from frosting is hidden caused by exception occurs in part coil pipe branch road
Suffer from.Such as：When calculate two or more indoor coil branch road temperature average temperature value be 24 DEG C, the first design temperature
For 3 DEG C, the minimum temperature value of two or more indoor coil branch road temperature is 20 DEG C, now, i.e., according to minimum temperature value
The working frequency of 24 DEG C of adjustment compressors；When the average temperature value for calculating two or more indoor coil branch road temperature is
24 DEG C, the first design temperature is 3 DEG C, and the minimum temperature value of two or more indoor coil branch road temperature is 22 DEG C, now,
I.e. according to the working frequency of 24 DEG C of adjustment compressors of average temperature value.
In the aforementioned embodiment, mainly list in step S102 according to two or more indoor coil branch road temperature
Adjust the numerous embodiments of the working frequency of compressor, but not limited to this.Two or more interior that synthetical collection arrives
Coil pipe branch road temperature, the working frequency of compressor can be determined according to other calculation formula, it is no longer exhaustive herein, such as according to more
Secondary experiment determines the functional relation of two or more indoor coil branch road temperature and the working frequency of compressor, to improve pressure
The accuracy of the working frequency regulation of contracting machine.
In foregoing any embodiment, according to the working frequency of the regulation temperature adjustment compressor, including：Calculate second
Design temperature subtracts the difference DELTA t of the regulation temperature；The adjustment side of compressor operating frequency is determined according to the difference DELTA t
Case.
Wherein, the second design temperature scope is 25~30 DEG C.The value and environment temperature of second design temperature, in air conditioning chamber
Heat exchanger heat exchange area is relevant.Such as：When environment temperature is higher, the second design temperature is bigger.
Specifically, when the difference DELTA t is more than or equal to the first setting temperature approach, the working frequency for adjusting compressor is pressed
Periodically reduce according to first frequency value；When the difference DELTA t is more than or equal to and sets temperature approach less than described first, regulation
The working frequency of compressor periodically reduces according to second frequency value；When the difference DELTA t is more than or equal to and less than described the
During two setting temperature approach, the working frequency for adjusting compressor periodically reduces according to the 3rd frequency values；When the difference DELTA t is less than
During the 3rd setting temperature approach, compressor maintains to run the first setting time with current working frequency.Wherein, the first setting
Temperature approach is more than the second setting temperature approach, and the second setting temperature approach is more than the 3rd setting temperature approach.First frequency value is more than second
Frequency values, second frequency value are more than the 3rd frequency values.I.e. when difference DELTA t is bigger, the speed that the working frequency of compressor reduces is got over
It hurry up, accelerate to adjust the temperature of each coil pipe branch road, improve coil pipe branch road temperature, prevent frosting.
Preferably, first temperature approach is set as 5 DEG C, second sets temperature approach as 3 DEG C, and the 3rd sets temperature approach as 1 DEG C.The
One frequency values are 60Hz, and second frequency value is 12Hz, and the 3rd frequency values are 6Hz.The unit in cycle is minute.I.e. according to the first frequency
Rate value is periodically reduced to, and the frequency of inner compressor per minute is smaller 60Hz than the frequency of the compressor in previous minute.
In certain embodiments, air-conditioning system is preset with the operating frequency range of compressor, when it is determined that the work of compressor
When frequency is less than lower limit, compressor is run with the compressor operating lower-frequency limit value.Compressor of air conditioner all standing is prevented, is reduced
The operating pressure of compressor is closed and opened in the air-conditioning short time, saves energy consumption.
In certain embodiments, when the difference DELTA t is less than the described 3rd setting temperature approach, in addition to：Outdoor fan
It is out of service.
It is used to perform the invention discloses a kind of control device for antifrost to be used for anti-caking described in previous embodiment
The control method of frost.
Fig. 5 is a kind of structured flowchart of control device for antifrost according to an exemplary embodiment.Such as Fig. 5
It is shown, including：Collecting unit 501 and adjustment unit 502.
Collecting unit 501, in cooling mode, gathering two or more indoor coil branch road temperature.
Adjustment unit 502, for the work frequency according to two or more indoor coil branch road temperature adjustment compressor
Rate.
In the present embodiment, collecting unit gathers the temperature of multiple indoor coil branch roads, and adjustment unit integrates multiple interiors
The working frequency of the temperature adjustment compressor of coil pipe branch road, the accuracy of the working frequency regulation to compressor is improved, in room
When interior heat exchanger occurs shunting uneven, effectively it can prevent frost from producing.
In certain embodiments, adjustment unit 502, for according to two or more indoor coil branch road temperature most
The working frequency of small temperature value regulation compressor.
In certain embodiments, as shown in fig. 6, also including the first computing unit 601, for calculating two or more
The average temperature value of indoor coil branch road temperature, determine the average temperature value for regulation temperature.
Adjustment unit 502, for the regulation temperature adjustment temperature adjustment compression being calculated according to the first computing unit 601
The working frequency of machine.
In certain embodiments, as shown in fig. 6, also including the second computing unit 701, for calculating two or more
The average temperature value of indoor coil branch road temperature, and calculate the average temperature value and subtract two or more indoor coil branch
The difference of the minimum temperature value of road temperature.
Adjustment unit 502, the difference for being drawn when second computing unit 701 are more than or equal to the first design temperature
When, according to the working frequency of the minimum temperature value of two or more indoor coil branch road temperature regulation compressor；When described
When determining that difference is less than the first design temperature, the working frequency of compressor is adjusted according to the average temperature value.
In foregoing any embodiment, in addition to：3rd computing unit (not shown), for calculating the second setting temperature
Degree subtracts the difference DELTA t of the regulation temperature, adjustment unit 502, for the difference DELTA t being calculated according to the 3rd computing unit
Determine the Adjusted Option of compressor operating frequency.Specifically, implementing described regulation scheme according to preceding method adjusts air-conditioning pressure
The working frequency of contracting machine.
Present invention also offers a kind of air-conditioning, includes the control device for antifrost described in foregoing any embodiment.
It should be appreciated that the invention is not limited in the flow and structure for being described above and being shown in the drawings,
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim
System.
Claims (11)
- A kind of 1. control method for antifrost, it is characterised in that including：In cooling mode, two or more indoor coil branch road temperature is gathered；According to the working frequency of two or more indoor coil branch road temperature adjustment compressor.
- 2. the method as described in claim 1, it is characterised in that described according to two or more indoor coil branch road temperature It is determined that and adjust the working frequency of compressor, including：The minimum temperature value for determining two or more indoor coil branch road temperature is regulation temperature；According to the working frequency of the regulation temperature adjustment compressor.
- 3. the method as described in claim 1, it is characterised in that described according to two or more indoor coil branch road temperature It is determined that and adjust the working frequency of compressor, including：The average temperature value of two or more indoor coil branch road temperature is calculated, determines the average temperature value for regulation temperature Degree；According to the working frequency of the regulation temperature adjustment compressor.
- 4. the method as described in claim 1, it is characterised in that described according to two or more indoor coil branch road temperature It is determined that and adjust the working frequency of compressor, including：Calculate the average temperature value of two or more indoor coil branch road temperature；Calculate the difference that the average temperature value subtracts the minimum temperature value of two or more indoor coil branch road temperature；When the difference is more than or equal to the first design temperature, two or more indoor coil branch road temperature is determined most Small temperature value is regulation temperature；When the difference is less than the first design temperature, determine the average temperature value for regulation temperature；According to the working frequency of the regulation temperature adjustment compressor.
- 5. the method as described in any one of claim 2 to 4, it is characterised in that described according to the regulation temperature adjustment compression The working frequency of machine, including：Calculate the difference DELTA t that the second design temperature subtracts the regulation temperature；The Adjusted Option of compressor operating frequency is determined according to the difference DELTA t.
- A kind of 6. control device for antifrost, it is characterised in that including：Collecting unit, in cooling mode, gathering two or more indoor coil branch road temperature；Adjustment unit, for the working frequency according to two or more indoor coil branch road temperature adjustment compressor.
- 7. device as claimed in claim 6, it is characterised in that the adjustment unit, be additionally operable to according to two or more The working frequency of the minimum temperature value regulation compressor of indoor coil branch road temperature.
- 8. device as claimed in claim 6, it is characterised in that also include：First computing unit, for calculating two or two The average temperature value of above indoor coil branch road temperature, determine the average temperature value for regulation temperature；The adjustment unit, it is additionally operable to be calculated the work frequency of regulation temperature adjustment compressor according to first computing unit Rate.
- 9. device as claimed in claim 6, it is characterised in that also include：Second computing unit, for calculating two or two The average temperature value of above indoor coil branch road temperature, and calculate the average temperature value and subtract two or more indoor disk The difference of the minimum temperature value of pipe branch road temperature；The adjustment unit, it is additionally operable to when the difference is more than or equal to the first design temperature, according to two or more The working frequency of the minimum temperature value regulation compressor of indoor coil branch road temperature；When the determination difference is less than the first setting temperature When spending, the working frequency of compressor is adjusted according to the average temperature value.
- 10. the device as described in any one of claim 7 to 9, it is characterised in that also include：3rd computing unit, for calculating Second design temperature subtracts the difference DELTA t of the regulation temperature；The adjustment unit, it is additionally operable to determine the Adjusted Option of compressor operating frequency according to the difference DELTA t.
- 11. a kind of air-conditioning, including indoor coil and compressor, it is characterised in that also include such as any one of claim 6 to 10 institute The device stated.
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| CN201710787697.5A CN107560079B (en) | 2017-09-04 | 2017-09-04 | Control method and device for preventing frosting and air conditioner |
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| CN201710787697.5A CN107560079B (en) | 2017-09-04 | 2017-09-04 | Control method and device for preventing frosting and air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110057053A (en) * | 2019-04-16 | 2019-07-26 | 青岛海尔空调器有限总公司 | The temperature controlled method, apparatus of air conditioning evaporator coil and computer storage medium |
| CN114061186A (en) * | 2021-11-26 | 2022-02-18 | 珠海格力电器股份有限公司 | Operating frequency control method and device of air source heat pump water heater |
| CN114543299A (en) * | 2022-01-20 | 2022-05-27 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
| CN114811909A (en) * | 2022-03-14 | 2022-07-29 | 青岛海尔空调器有限总公司 | Control method, device, equipment and medium for fan of indoor heat exchanger of air conditioner |
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| CN110057053A (en) * | 2019-04-16 | 2019-07-26 | 青岛海尔空调器有限总公司 | The temperature controlled method, apparatus of air conditioning evaporator coil and computer storage medium |
| CN114061186A (en) * | 2021-11-26 | 2022-02-18 | 珠海格力电器股份有限公司 | Operating frequency control method and device of air source heat pump water heater |
| CN114543299A (en) * | 2022-01-20 | 2022-05-27 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
| CN114811909A (en) * | 2022-03-14 | 2022-07-29 | 青岛海尔空调器有限总公司 | Control method, device, equipment and medium for fan of indoor heat exchanger of air conditioner |
| CN114811909B (en) * | 2022-03-14 | 2023-12-15 | 青岛海尔空调器有限总公司 | Control method, device, equipment and medium for fan of indoor heat exchanger of air conditioner |
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| CN107560079B (en) | 2021-10-29 |
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