CN109751738A - For the control method of multi-gang air-conditioner, device, outdoor unit and multi-gang air-conditioner - Google Patents
For the control method of multi-gang air-conditioner, device, outdoor unit and multi-gang air-conditioner Download PDFInfo
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- CN109751738A CN109751738A CN201811519218.2A CN201811519218A CN109751738A CN 109751738 A CN109751738 A CN 109751738A CN 201811519218 A CN201811519218 A CN 201811519218A CN 109751738 A CN109751738 A CN 109751738A
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- running frequency
- conditioner
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention relates to multi-gang air-conditioner control technology fields; it discloses a kind of for the control method of multi-gang air-conditioner, device, outdoor unit and multi-gang air-conditioner; by reaching warm machine stop times in the preset time of statistics multi-gang air-conditioner at runtime; then it is modified according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit; wherein indoor unit is switched on again refers to that electric expansion valve is again turned on, and finally controls compressor and runs according to the revised running frequency.The temperature fluctuation that the room where multi-gang air-conditioner is realized with this meets comfort requirement, avoids in the prior art since the frequent start-stop of indoor unit causes room temperature fluctuation to bring comfortableness problem greatly.
Description
Technical field
The present invention relates to multi-gang air-conditioner control technology fields, and in particular to a kind of controlling party for multi-gang air-conditioner
Method, device, outdoor unit and multi-gang air-conditioner.
Background technique
In multi-online air-conditioning system, lead to room since air conditioner will appear high frequent start and stop up to temperature shutdown operation
The larger problem of temperature fluctuation, such as in cooling mode, room temperature decline when compressor is run where indoor unit is set when reaching
Indoor unit can be triggered when determining temperature and shuts down i.e. electric expansion valve closing at this time, and is risen again in room temperature greater than set temperature
When, triggering electric expansion valve again and opening is indoor unit booting, if constant to the ability need of operation of air conditioner when being again started up,
It is still to easily lead to room temperature rapid decrease with original ability need control compressor operation and reach set temperature again and cause
It is too fast to there are room temperature rise and fall with this for indoor unit quick shutdown again, in this way caused by room temperature fluctuation it is larger
It will affect the comfortable sexual experience of user.
Summary of the invention
It is empty for the control method of multi-gang air-conditioner, device, outdoor unit and multi-connected machine that the object of the present invention is to provide a kind of
It adjusts, it is therefore intended that solve existing multi-gang air-conditioner causes the big influence user of room temperature fluctuation comfortable since compressor reaches temperature shutdown
Sexual experience problem.
To achieve the goals above, the present invention provides a kind of control method for multi-gang air-conditioner, and control method includes:
It counts in the preset time of multi-gang air-conditioner at runtime and reaches warm machine stop times, wherein shutting down up to temperature as multi-connected machine
The temperature in the room where the indoor unit of air-conditioning closes the electric expansion valve of indoor unit in the case where reaching set temperature；
It is modified according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit, wherein indoor
Machine is switched on again refers to that electric expansion valve is again turned on；
Control compressor is run according to revised running frequency.
Optionally, packet is modified according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit
It includes:
In the case where being greater than preset times up to warm machine stop times, running frequency is modified.
Optionally, running frequency is modified and includes:
Running frequency is reduced into predeterminated frequency value.
Optionally, after being modified to running frequency further include:
In the case where revised running frequency is less than predeterminated frequency minimum value, using predeterminated frequency minimum value as amendment
Running frequency afterwards.
Optionally, after being modified to running frequency further include:
In the case where revised running frequency is not less than predeterminated frequency minimum value, reaching in preset time is counted again
Warm machine stop times.
To achieve the goals above, the present invention also provides a kind of control device for multi-gang air-conditioner, control device quilts
It is configured to:
It counts in the preset time of multi-gang air-conditioner at runtime and reaches warm machine stop times, wherein shutting down up to temperature as multi-connected machine
The temperature in the room where the indoor unit of air-conditioning closes the electric expansion valve of indoor unit in the case where reaching set temperature；
It is modified according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit, wherein indoor
Machine is switched on again refers to that electric expansion valve is again turned on；
Control compressor is run according to revised running frequency.
Optionally, packet is modified according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit
It includes:
In the case where being greater than preset times up to warm machine stop times, running frequency is modified.
Optionally, running frequency is modified and includes:
Running frequency is reduced into predeterminated frequency value.
Optionally, after being modified to running frequency, control device is further configured to:
In the case where revised running frequency is less than predeterminated frequency minimum value, using predeterminated frequency minimum value as amendment
Running frequency afterwards.
To achieve the goals above, the present invention also provides a kind of multi-gang air-conditioner outdoor unit, the multi-gang air-conditioner outdoor units
Including the above-mentioned control device for multi-gang air-conditioner.
To achieve the goals above, the present invention also provides a kind of multi-gang air-conditioner, which includes above-mentioned more
Gang air-conditioner outdoor unit.
Through the above technical solutions, the control method for multi-gang air-conditioner of the invention, realizes multi-gang air-conditioner institute
The temperature fluctuation in room meet comfort requirement, avoid in the prior art since the frequent start-stop of indoor unit leads to room
Temperature fluctuation brings greatly comfortableness problem.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is multi-connected machine block diagram of the present invention for the control method of multi-gang air-conditioner；
Fig. 2 is flow chart of the present invention for the control method of multi-gang air-conditioner.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The embodiment of the present invention proposes a kind of control method for multi-gang air-conditioner, as shown in Figure 1, the multi-gang air-conditioner
Including an outdoor unit 1 and multiple indoor units connecting with outdoor unit 1, indoor unit is 3 as shown in figure 1, and wherein outdoor unit 1 wraps
The component parts such as controller 11, compressor 12, four-way valve 13 and outer blower 14 are included, outdoor unit 1 passes through refrigerant pipeline and control line
It is connect with multiple indoor units, electric expansion valve and indoor machine controller is provided on each indoor unit, is controlled by indoor unit
Device adjusts the aperture of electric expansion valve, realizes the cold medium flux adjusted on input indoor unit pipeline.It is outdoor in multi-connected machine work
Machine controller 11 obtains the ability need coefficient of each indoor unit, and the ability need coefficient is as the room temperature T1 where indoor unit
It is determined with the phase difference of set temperature TS, such as leads to the two phase difference when room temperature T1 is higher or set temperature TS is lower
When bigger, then the corresponding ability need coefficient of the indoor unit in the room is bigger.Outdoor unit control 11 summarizes all indoor units again
Ability need coefficient determines total ability need coefficient after being added, and determines that compressor is current according to this total ability need coefficient
Running frequency reached so that the ability of multi-gang air-conditioner output meets the ability need in the room where each indoor unit
To the refrigeration or heating needs in final each room.
As shown in Fig. 2, the control method based on above-mentioned multi-gang air-conditioner includes:
Step S210 is counted in the preset time of multi-gang air-conditioner at runtime and is reached warm machine stop times, wherein stopping up to temperature
Machine is the temperature in the room where the indoor unit of multi-gang air-conditioner in the case where reaching set temperature, keeps the electronics of indoor unit swollen
Swollen valve is closed；
Step S220 is repaired according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit
Just, wherein indoor unit is switched on refers to that electric expansion valve is again turned on again；
Step S230, control compressor are run according to revised running frequency.
In above-mentioned steps S210, it is worth noting that, the electronic expansion valve opening in each indoor unit is with interior
Machine is switched on what runing adjustment changed, when the room temperature where the wherein indoor unit, which reaches, to be set closer to set temperature, the room
The electronic expansion valve opening of interior machine is smaller, and when room temperature reaches set temperature, the aperture of electric expansion valve is zero i.e. at this time
Electric expansion valve closes i.e. indoor unit closing at this time at this time, and the coolant path closing on the indoor unit pipeline is not being circulated, counted
When, when room temperature rises so that being more than set temperature, electric expansion valve opens i.e. indoor unit booting at this time again, with
This statistics in preset time since timing indoor unit up to warm machine stop times；The ability need of the indoor unit drops at this time
Zero, when the room temperature where all indoor units all reaches set temperature, ability need total at this time is zero, thus total energy
Power service demand factor is zero, and compressor is just closed, if the room temperature where hereafter having an indoor unit has due to raising
Ability need, then total service demand factor is greater than zero, and compressor is again turned on.
In step S220-S230, the compression after warm machine stop times are switched on again to indoor unit is reached by above-mentioned statistics
The running frequency of machine is modified, and is controlled compressor and run according to the revised running frequency, is enabled to work as and be stopped up to temperature
In the case where machine number related frequency, the running frequency of the compressor after being switched on again to the indoor unit carries out repairing for reduction property
Just, so that the running frequency relative reduction of compressor, namely reduce its total ability output, thus reduce be supplied to it is each
The actual refrigeration or heating capacity of indoor unit, thus extend indoor unit where room temperature reach set temperature when
Between, then the time that indoor unit is shut down again extends therewith, namely has finally delayed the velocity of wave motion up and down of indoor room temperature, gram
It is poor user experience comfort caused by frequent start-stop bring fluctuation greatly of the room temperature due to compressor in the prior art has been taken
The problem of.
Here the running frequency of the compressor after being switched on again to indoor unit, which is modified, to be specifically included to indoor unit again
The running frequency of compressor is modified when booting and hereafter in start process.
It is worth noting that since multi-gang air-conditioner generally has multiple indoor units, the above-mentioned running frequency to compressor into
The statistics for reach for one of indoor unit warm machine stop times before row amendment, it is secondary to being shut down up to temperature for other indoor units
Number is also same treatment, as long as the condition for meeting above-mentioned steps up to warm machine stop times with this each indoor unit can be to current
The running frequency of energy compressor be modified, constantly it is corrected to play, so that the room temperature where each indoor unit
The fluctuation of degree all meets the comfort requirement of user.
Specifically, the running frequency for reaching the compressor after warm machine stop times are switched on again to indoor unit for passing through above-mentioned statistics
When being modified, specific steps include:
In the case where being greater than preset times up to warm machine stop times, running frequency is modified；
When the warm machine stop times that reach of the indoor unit counted within a preset time are more than preset value, such as in 1 hour in Data Analyzing Room
The warm machine stop times that reach of machine are more than 10 times, then it is assumed that and the start-stop time of indoor unit is excessive, and room temperature is caused to fluctuate height up and down, with
This needs to be modified running frequency.Here preset times can be influenced temperature fluctuation situation with this according to when previous experiments
User comfort determines.
Further, ability running frequency is modified and is specifically included:
Running frequency is reduced into predeterminated frequency.
The running frequency F0 of current compressor is reduced into predeterminated frequency W, compressor when starting as indoor unit next time
Running frequency.Here the value of predeterminated frequency W can be determined by previous experiments, specifically related to up to warm machine stop times, when reaching
When warm machine stop times are bigger, predeterminated frequency W is bigger, so that it is bigger to running frequency amendment amplitude, because of temperature fluctuation at this time
It is relatively high, need relatively large reduction running frequency.
Further, after being modified to running frequency further include:
In the case where revised running frequency is less than predeterminated frequency minimum value, using predeterminated frequency minimum value as amendment
Running frequency afterwards.
It is excessive to avoid correcting running frequency amplitude, the predetermined minimum of a running frequency is set, if after amendment
Running frequency be less than this minimum value, then using this minimum value as revised running frequency.Because of revised operation at this time
Frequency has been predeterminated frequency minimum value, therefore is hereafter no longer modified to compressor operating frequency, compressor always according to
The operation of this predeterminated frequency minimum value.
Further, after being modified to running frequency further include:
In the case where revised running frequency is not less than predeterminated frequency minimum value, counted in the preset time again
Up to warm machine stop times.It statistics will be reset before up to warm machine stop times, restart the system of preset time Nei Dawen machine stop times
Meter.
The control method for multi-gang air-conditioner of the embodiment of the present invention passes through statistics multi-gang air-conditioner at runtime pre-
If reaching warm machine stop times in the time, reaching wherein being shut down up to temperature for the temperature in the room where the indoor unit of multi-gang air-conditioner
In the case where set temperature, the electric expansion valve of indoor unit is closed, then indoor unit is opened again according to up to warm machine stop times
The running frequency of compressor after machine is modified, and wherein indoor unit is switched on again refers to that electric expansion valve is again turned on, finally
Compressor is controlled to run according to the revised running frequency.The temperature fluctuation in the room where multi-gang air-conditioner is realized with this
Meet comfort requirement, avoid in the prior art due to the frequent start-stop of indoor unit cause room temperature fluctuation bring greatly it is easypro
Adaptive problem.
The embodiment of the present invention also proposes that a kind of control device for multi-gang air-conditioner, the control device are arranged multi-joint
In the outdoor unit of air conditioner, the multi-gang air-conditioner is multi-joint with introducing in the above-mentioned control method embodiment for multi-gang air-conditioner
Machine, the control device are configured to:
It counts in the preset time of multi-gang air-conditioner at runtime and reaches warm machine stop times, wherein shutting down up to temperature as multi-connected machine
The temperature in the room where the indoor unit of air-conditioning closes the electric expansion valve of indoor unit in the case where reaching set temperature；
It is modified according to the running frequency of the compressor after being switched on again up to warm machine stop times to indoor unit, wherein indoor
Machine is switched on again refers to that electric expansion valve is again turned on；
Control compressor is run according to revised running frequency.
In above-mentioned configuration step, it is worth noting that, the electronic expansion valve opening in each indoor unit is with interior
Machine is switched on what runing adjustment changed, when the room temperature where the wherein indoor unit, which reaches, to be set closer to set temperature, the room
The electronic expansion valve opening of interior machine is smaller, and when room temperature reaches set temperature, the aperture of electric expansion valve is zero i.e. at this time
Electric expansion valve closes i.e. indoor unit closing at this time at this time, and the coolant path closing on the indoor unit pipeline is not being circulated, counted
When, when room temperature rises so that being more than set temperature, electric expansion valve opens i.e. indoor unit booting at this time again, with
This statistics in preset time since timing indoor unit up to warm machine stop times；The ability need of the indoor unit drops at this time
Zero, when the room temperature where all indoor units all reaches set temperature, ability need total at this time is zero, thus total energy
Power service demand factor is zero, and compressor is just closed, if the room temperature where hereafter having an indoor unit has due to raising
Ability need, then total service demand factor is greater than zero, and compressor is again turned on.
It is repaired by the running frequency for reaching the compressor after warm machine stop times are switched on again to indoor unit of above-mentioned statistics
Just, and compressor is controlled according to revised running frequency operation, enable to when the feelings up to warm machine stop times related frequency
Under condition, the running frequency of compressor when being switched on again to the indoor unit carries out the amendment of reduction property, so that compressor
Running frequency relative reduction, namely its total ability output is reduced, to reduce the actual refrigeration for being supplied to each indoor unit
Or heating capacity, thus the room temperature where extension indoor unit reaches the time of set temperature, then indoor unit is shut down again
Time extend therewith, namely finally delayed the velocity of wave motion up and down of indoor room temperature, overcome room in the prior art
Problem of the temperature due to the big caused user experience comfort difference of the frequent start-stop bring fluctuation of compressor.
Here the running frequency of the compressor after being switched on again to indoor unit, which is modified, to be specifically included to indoor unit again
The running frequency of compressor is modified when booting and in time rear start process.
It is worth noting that since multi-gang air-conditioner generally has multiple indoor units, the above-mentioned running frequency to compressor into
The statistics for reach for one of indoor unit warm machine stop times before row amendment, it is secondary to being shut down up to temperature for other indoor units
Number is also same treatment, as long as the condition for meeting above-mentioned steps up to warm machine stop times with this each indoor unit can be to current
The running frequency of energy compressor be modified, constantly it is corrected to play, so that the room temperature where each indoor unit
The fluctuation of degree all meets the comfort requirement of user.
Specifically, the running frequency for reaching the compressor after warm machine stop times are switched on again to indoor unit for passing through above-mentioned statistics
When being modified, specific steps include:
In the case where being greater than preset times up to warm machine stop times, running frequency is modified；
When the warm machine stop times that reach of the indoor unit counted within a preset time are more than preset value, such as in 1 hour in Data Analyzing Room
The warm machine stop times that reach of machine are more than 10 times, then it is assumed that and the start-stop time of indoor unit is excessive, and room temperature is caused to fluctuate height up and down, with
This needs to be modified running frequency.Here preset times can be influenced temperature fluctuation situation with this according to when previous experiments
User comfort determines.
Further, ability running frequency is modified and is specifically included:
Running frequency is reduced into predeterminated frequency.
The running frequency F0 of current compressor is reduced into predeterminated frequency W, compressor when starting as indoor unit next time
Running frequency.Here the value of predeterminated frequency W can be determined by previous experiments, specifically related to up to warm machine stop times, when reaching
When warm machine stop times are bigger, predeterminated frequency W is bigger, so that it is bigger to running frequency amendment amplitude, because of temperature fluctuation at this time
It is relatively high, need relatively large reduction running frequency.
Further, after being modified to running frequency further include:
In the case where revised running frequency is less than predeterminated frequency minimum value, using predeterminated frequency minimum value as amendment
Running frequency afterwards.
It is excessive to avoid correcting running frequency amplitude, the predetermined minimum of a running frequency is set, if after amendment
Running frequency be less than this minimum value, then using this minimum value as revised running frequency.
The control device for multi-gang air-conditioner of the embodiment of the present invention passes through statistics multi-gang air-conditioner at runtime pre-
If reaching warm machine stop times in the time, reaching wherein being shut down up to temperature for the temperature in the room where the indoor unit of multi-gang air-conditioner
In the case where set temperature, the electric expansion valve of indoor unit is closed, then indoor unit is opened again according to up to warm machine stop times
The running frequency of compressor after machine is modified, and wherein indoor unit is switched on again refers to that electric expansion valve is again turned on, finally
Compressor is controlled to run according to the revised running frequency.The temperature fluctuation in the room where multi-gang air-conditioner is realized with this
Meet comfort requirement, avoid in the prior art due to the frequent start-stop of indoor unit cause room temperature fluctuation bring greatly it is easypro
Adaptive problem.
The embodiment of the present invention also proposes a kind of multi-gang air-conditioner outdoor unit, which includes above-mentioned
For the control device of multi-gang air-conditioner, it is based on the multi-gang air-conditioner outdoor unit, the temperature in room where avoiding multi-gang air-conditioner
Degree fluctuation is excessive, so that the variation of room temperature meets the comfort requirement of user.
The embodiment of the present invention also proposes a kind of multi-gang air-conditioner, as shown in Figure 1, the multi-gang air-conditioner includes multiple interiors
The multi-gang air-conditioner outdoor unit of machine and above-described embodiment.
The embodiments of the present invention also provide computer program products, including program instruction, and the program instruction is by controller
Enable the controller to realize any control method for multi-gang air-conditioner in above-described embodiment when execution.
The embodiments of the present invention also provide storage mediums, are stored thereon with computer-readable instruction, this is computer-readable
Instruction enables the controller to execute the control method for multi-gang air-conditioner in above-described embodiment when being executed by a controller.
It will be appreciated by those skilled in the art that realizing that all or part of the steps in above embodiment method is can to lead to
Program is crossed to instruct relevant hardware and complete, which is stored in a storage medium, including some instructions use so that
One (can be single-chip microcontroller, chip etc.) or processor (processor) execute each embodiment the method for the application
All or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
In the description of this specification, the description meaning of reference term " first embodiment ", " second embodiment ", " example " etc.
Refer to specific method, device or feature described in conjunction with this embodiment or example be contained at least one embodiment of the present invention or
In example.In the present specification, the schematic representation of the above terms does not necessarily have to refer to the same embodiment or example.And
And specific features, method, apparatus or the feature of description can be in any one or more of the embodiments or examples with suitable sides
Formula combines.In addition, without conflicting with each other, those skilled in the art can will be described in this specification different real
The feature for applying example or example and different embodiments or examples is combined.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of control method for multi-gang air-conditioner, which is characterized in that the control method includes:
Count in the preset time of the multi-gang air-conditioner at runtime up to warm machine stop times, wherein described shut down up to temperature is institute
The temperature in the room where the indoor unit of multi-gang air-conditioner is stated in the case where reaching set temperature, makes the electronics of the indoor unit
Expansion valve is closed；
It is modified according to the running frequency for reaching the compressor after warm machine stop times are switched on again to the indoor unit, wherein
The indoor unit is switched on again refers to that the electric expansion valve is again turned on；
The compressor is controlled to run according to revised running frequency.
2. control method as described in claim 1, which is characterized in that described to reach warm machine stop times according to the interior
The running frequency of compressor after machine is switched on again is modified and includes:
It is described be greater than preset times up to warm machine stop times in the case where, the running frequency is modified.
3. control method as described in claim 1, which is characterized in that described be modified to the running frequency include:
The running frequency is reduced into predeterminated frequency value.
4. control method as claimed in claim 3, which is characterized in that it is described the running frequency is modified after also wrap
It includes:
In the case where the revised running frequency is less than predeterminated frequency minimum value, by the predeterminated frequency minimum value
As the revised running frequency.
5. control method as claimed in claim 3, which is characterized in that it is described the running frequency is modified after also wrap
It includes:
In the case where the revised running frequency is not less than predeterminated frequency minimum value, when counting described default again
Interior reaches warm machine stop times.
6. a kind of control device for multi-gang air-conditioner, the control device are configured to:
Count in the preset time of the multi-gang air-conditioner at runtime up to warm machine stop times, wherein described shut down up to temperature is institute
The temperature in the room where the indoor unit of multi-gang air-conditioner is stated in the case where reaching set temperature, makes the electronics of the indoor unit
Expansion valve is closed；
It is modified according to the running frequency for reaching the compressor after warm machine stop times are switched on again to the indoor unit, wherein
The indoor unit is switched on again refers to that the electric expansion valve is again turned on；
The compressor is controlled to run according to the revised running frequency.
7. control device as claimed in claim 6, which is characterized in that described to reach warm machine stop times according to the interior
The running frequency of compressor after machine is switched on again is modified and includes:
It is described be greater than preset times up to warm machine stop times in the case where, the running frequency is modified.
8. control device as claimed in claim 6, which is characterized in that described be modified to the running frequency include:
The running frequency is reduced into predeterminated frequency value.
9. control device as claimed in claim 8, which is characterized in that after being modified to the running frequency, the control
Device processed is further configured to:
In the case where the revised running frequency is less than predeterminated frequency minimum value, by the predeterminated frequency minimum value
As the revised running frequency.
10. a kind of multi-gang air-conditioner outdoor unit, which is characterized in that the multi-gang air-conditioner outdoor unit includes such as claim 6 to 9
Control device described in any one.
11. a kind of multi-gang air-conditioner, which is characterized in that the multi-gang air-conditioner includes multiple indoor units and such as claim 10 institute
The multi-gang air-conditioner outdoor unit stated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811519218.2A CN109751738B (en) | 2018-12-12 | 2018-12-12 | Control method and device for multi-split air conditioner, outdoor unit and multi-split air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519218.2A CN109751738B (en) | 2018-12-12 | 2018-12-12 | Control method and device for multi-split air conditioner, outdoor unit and multi-split air conditioner |
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| CN109751738A true CN109751738A (en) | 2019-05-14 |
| CN109751738B CN109751738B (en) | 2021-10-15 |
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| CN110260498A (en) * | 2019-06-24 | 2019-09-20 | 珠海格力电器股份有限公司 | Compressor frequency adjusting method, device and air-conditioning system |
| CN110285551A (en) * | 2019-06-28 | 2019-09-27 | 广东美的制冷设备有限公司 | Control method, device, air conditioner and the electronic equipment of air conditioner |
| CN111780372A (en) * | 2020-07-09 | 2020-10-16 | 青岛海尔空调器有限总公司 | Control method of one-driving-multiple air conditioner |
| CN112539513A (en) * | 2020-12-14 | 2021-03-23 | 珠海格力电器股份有限公司 | Method for detecting automatic start-up and shut-down faults of multi-connected unit |
| CN113251590A (en) * | 2021-05-13 | 2021-08-13 | 海信（山东）空调有限公司 | Control method and device of air conditioner, air conditioner and computer readable storage medium |
| CN113531857A (en) * | 2021-07-20 | 2021-10-22 | 广东美的制冷设备有限公司 | Control method of multi-split air conditioner, multi-split air conditioner and storage medium |
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| CN114234383A (en) * | 2021-12-21 | 2022-03-25 | 北京小米移动软件有限公司 | Air conditioner control method and device |
| CN114234383B (en) * | 2021-12-21 | 2023-08-08 | 北京小米移动软件有限公司 | Air conditioner control method and device |
| CN114183889A (en) * | 2021-12-23 | 2022-03-15 | 邵阳学院 | Control method and control device of air conditioner and air conditioner |
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