CN106196517B - Multi-split air conditioner control method, device and multi-split air conditioner - Google Patents
Multi-split air conditioner control method, device and multi-split air conditioner Download PDFInfo
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- CN106196517B CN106196517B CN201610880489.5A CN201610880489A CN106196517B CN 106196517 B CN106196517 B CN 106196517B CN 201610880489 A CN201610880489 A CN 201610880489A CN 106196517 B CN106196517 B CN 106196517B
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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
- F24F11/62—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
-
- 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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of multi-split air conditioner control method, device and multi-split air conditioner, wherein, the described method includes: the electronic expansion valve opening of all interior machines of air conditioner is adjusted to full-gear, and controls the compressor of the air conditioner and the first preset time period is run with the first predeterminated frequency.The oil return process of multi-split air conditioner, brings the lubricating oil built up in component and pipeline into compressor in time when the present invention can be realized heating, guarantees that oil return is normal in system operation, guarantees that compressor works under sufficient lubrication state, prevents from burning out compressor.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical field more particularly to a kind of multi-split air conditioner control methods, device and one
One driving multiple-unit air conditioner.
Background technique
Multiple interior machine operations currently, multi-split air conditioner is usually arranged in pairs or groups, and piping length and height between interior machine and outer machine
All bigger, refrigerant can take away a part of lubricating oil in flow process, and lubricating oil is caused to avoid in system unit and pipeline
It builds up, especially machine is not turned under state in big ability during heating, and imperial palace machine serves as a liquid storage device, a large amount of to lubricate
Oil is gathered in big ability in machine, causes oil return difficult, and it is bad and burn out that longtime running will cause compressor lubrication, therefore, right
The oil return technology of multi-split air conditioner needs to give highest attention and primary study.
In consideration of it, how to control in heating the oil return of multi-split air conditioner, to be protected in system operation
Card compressor works under sufficient lubrication state, prevents from burning out compressor as the current technical issues that need to address.
Summary of the invention
In order to solve the above technical problems, the present invention provide a kind of multi-split air conditioner control method, device and one drag it is more
Air conditioner can guarantee that compressor works under sufficient lubrication state in system operation, prevent from burning out compressor.
In a first aspect, the present invention provides a kind of multi-split air conditioner control method, comprising:
The electronic expansion valve opening of all interior machines of air conditioner is adjusted to full-gear, and controls the pressure of the air conditioner
Contracting machine runs the first preset time period with the first predeterminated frequency.
Optionally, the electronic expansion valve opening of all interior machines by the air conditioner be adjusted to full-gear it
Before, further includes:
Judge whether function power accounting is less than preset threshold in the current unlatching of air conditioner；
If function power accounting is less than preset threshold in the current unlatching of air conditioner, the electric expansion valve of all interior machines is opened
Degree is adjusted to full-gear, and the frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period.
Optionally, after whether function power accounting is less than preset threshold in the unlatching for judging that air conditioner is current, also
Include:
If function power accounting is more than or equal to preset threshold in the current unlatching of air conditioner, the current fortune of the compressor is judged
Whether line frequency is less than the second predeterminated frequency；
If the current running frequency of the compressor opens the electric expansion valve of all interior machines less than the second predeterminated frequency
Degree is adjusted to full-gear, and the frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period.
Optionally, the method also includes:
If the current running frequency of the compressor is more than or equal to the second predeterminated frequency, the air conditioner operation second is pre-
If after the period, returning to the step of whether function power accounting is less than preset threshold in the current unlatching of air conditioner judged.
Optionally, the method also includes:
When opening air conditioner, the electronic expansion valve opening of all interior machines of the air conditioner is adjusted to full-gear,
And it controls the compressor of the air conditioner and third preset time period is run with rated frequency.
Second aspect, the present invention provide a kind of multi-split air conditioner control device, comprising: controller and timer；
The timer is used for timing；
The controller for the electronic expansion valve opening of all interior machines of air conditioner to be adjusted to full-gear, and is controlled
It makes the compressor of the air conditioner and the first preset time period is run with the first predeterminated frequency.
Optionally, described device further include:
Information acquisition unit, for obtaining function power accounting in current unlatching；
The controller is also used to judge in the current unlatching of air conditioner whether function power accounting is less than preset threshold；If
Function power accounting is less than preset threshold in the current unlatching of air conditioner, then the electronic expansion valve opening of all interior machines is adjusted to complete
The frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period by open state.
Optionally, described device further include:
Frequency acquisition unit, for obtaining the current running frequency of the compressor；
The controller, if being also used to function power accounting in the current unlatching of air conditioner is more than or equal to preset threshold, judgement
Whether the current running frequency of the compressor is less than the second predeterminated frequency；If the running frequency of the compressor is pre- less than second
If frequency, then the electronic expansion valve opening of all interior machines is adjusted to full-gear, the frequency of the compressor is adjusted to
One predeterminated frequency runs the first preset time period.
Optionally, the controller, is also used to
If the current running frequency of the compressor is more than or equal to the second predeterminated frequency, the air conditioner operation second is pre-
If after the period, returning to the step of whether function power accounting is less than preset threshold in the current unlatching of air conditioner judged.
Optionally, the controller, is also used to
When opening air conditioner, the electronic expansion valve opening of all interior machines of the air conditioner is adjusted to full-gear,
And it controls the compressor of the air conditioner and third preset time period is run with rated frequency.
The third aspect, the present invention provide a kind of multi-split air conditioner, comprising: above-mentioned multi-split air conditioner control device.
As shown from the above technical solution, multi-split air conditioner control method, device and multi-split air conditioner of the invention lead to
It crosses and the electronic expansion valve opening of all interior machines of air conditioner is adjusted to full-gear, and control the compressor of air conditioner with first
Predeterminated frequency runs the first preset time period, the oil return process of multi-split air conditioner when can be realized heating, in time by component and
The lubricating oil built up in pipeline brings compressor into, guarantees that oil return is normal in system operation, guarantees that compressor is sufficiently moistening
It works under sliding state, prevents from burning out compressor.
Detailed description of the invention
Fig. 1 is the flow diagram for the multi-split air conditioner control method that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides multi-split air conditioner control method flow diagram；
Fig. 3 is the structural schematic diagram for the multi-split air conditioner control device that one embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 shows the flow diagram of the multi-split air conditioner control method of one embodiment of the invention offer, such as Fig. 1 institute
Show, the multi-split air conditioner control method of the present embodiment is as described below.
101, the electronic expansion valve opening of all interior machines of air conditioner is adjusted to full-gear, and controls the air conditioner
Compressor with the first predeterminated frequency run the first preset time period.
In a particular application, first predeterminated frequency can be preferably 58 hertz, and the present embodiment does not limit it
System, can be specifically arranged according to the actual situation.
In a particular application, first preset time period can be preferably 120 seconds, and the present embodiment does not limit it
System, can be specifically arranged according to the actual situation.
The method for controlling oil return of multi-split air conditioner when the heating of the present embodiment, by by the electricity of all interior machines of air conditioner
Sub- expansion valve opening is adjusted to full-gear, and it is default with the first predeterminated frequency operation first to control the compressor of the air conditioner
Period, the oil return process of multi-split air conditioner when can be realized heating, the lubricating oil band that will be built up in component and pipeline in time
Enter compressor, guarantee that oil return is normal in system operation, guarantees that compressor works under sufficient lubrication state, prevent from burning out
Compressor.
In a particular application, as shown in Fig. 2, before the step 101, the method can also include:
Judge whether function power accounting is less than preset threshold in the current unlatching of air conditioner；
If function power accounting is less than preset threshold in the current unlatching of air conditioner, the electric expansion valve of all interior machines is opened
Degree is adjusted to full-gear, and the frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period.
In a particular application, function power accounting is interior machine that the air conditioner is currently opened in the current unlatching of air conditioner
The ratio of the sum of nominal capacity value and the sum of the nominal capacity value of all interior machines of the air conditioner.
In a particular application, the preset threshold can be preferably 0.3, and the present embodiment is not limited, can be with
The preset threshold is specifically set according to the actual situation.
In a particular application, whether function power accounting is less than preset threshold in the unlatching for judging that air conditioner is current
After step, the method can also include:
If function power accounting is more than or equal to preset threshold in the current unlatching of air conditioner, the current fortune of the compressor is judged
Whether line frequency is less than the second predeterminated frequency；
If the current running frequency of the compressor opens the electric expansion valve of all interior machines less than the second predeterminated frequency
Degree is adjusted to full-gear, and the frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period.
In a particular application, the method can also include:
If the current running frequency of the compressor is more than or equal to the second predeterminated frequency, the air conditioner operation second is pre-
If after the period, the step of whether function power accounting is less than preset threshold in the unlatching for judging that air conditioner is current returned.
The method for controlling oil return of multi-split air conditioner when the heating of the present embodiment, multi-split air conditioner when can be realized heating
Oil return process, bring the lubricating oil built up in component and pipeline into compressor in time, guarantee oil return in system operation
Normally, guarantee that compressor works under sufficient lubrication state, prevent from burning out compressor.
In a particular application, the method can also include:
When opening air conditioner, the electronic expansion valve opening of all interior machines of the air conditioner is adjusted to full-gear,
And it controls the compressor of the air conditioner and third preset time period is run with rated frequency.
Wherein, third preset time period can be preferably 100 seconds, and the present embodiment is not limited, can be according to reality
Border situation is specifically arranged.
Wherein, the rated frequency is calculated by the first formula, first formula are as follows:
Fr1=int (P)+1 (1)
Wherein, Fr1 be the rated frequency, int () be bracket function, P be it is calculated by the second formula, it is described
Second formula are as follows:
P=(P1+P2+ ... Pn) × K1 × K2 (2)
Wherein, K1 is ability need coefficient, and K2 is default capacity correction coefficient, P1 to Pn be the air conditioner the 1st to
The ability need value of machine in n-th, n are the quantity of the interior machine of the air conditioner.
Further, the ability need COEFFICIENT K 1 is arranged by range locating for (T1-Ts), for example, can
To include:
If (T1-Ts) >=3, the first preset value D1 is set by K1；
If K1 is set the second preset value D2 by 3 > (T1-Ts) >=1；
If 1 > (T1-Ts) > 0, sets third preset value D3 for K1；
If K1 is set the 4th preset value D4 by (T1-Ts)≤0；
Wherein, T1 is room temperature, and Ts is target preset temperature.
For example, it can be preferably 2, D3 can be preferably that 1, D4 can be preferably for 0 that D1, which can be preferably 3, D2,.This
Embodiment does not limit D1-D4, and the value of D1-D4 specifically can be arranged according to the actual situation.
Different range locating for (T1-Ts) corresponds to different ability need COEFFICIENT Ks 1 in the present embodiment, and the present embodiment is not
Different range locating for (T1-Ts) is limited, can come that not homotype specifically be arranged locating for (T1-Ts) according to the actual situation
Enclose and the different range corresponding to different ability need COEFFICIENT Ks 1.
Further, the default capacity correction COEFFICIENT K 2 can be preferably 1.5, and the present embodiment does not limit it
System, according to the actual situation can be specifically arranged the value of K2.
Further, in this embodiment the corresponding ability need code of interior machine of different refrigerating capacities is different.For example, this reality
The multi-split air conditioner for applying example has the interior machine of n=4 kind difference refrigerating capacity:
For nominal refrigerating capacity in 2600W interior machine below, ability need value can preferably take 0.8；
Nominal refrigerating capacity is the interior machine of 2600~3500W range, and ability need value can preferably take 1.0；
Nominal refrigerating capacity is the interior machine of 3500~5000W range, and ability need value can preferably take 1.2；
Nominal refrigerating capacity is the interior machine of 5000W range or more, and ability need value can preferably take 2.0.
The present embodiment does not limit the ability need value of the interior machine of each nominal refrigerating capacity range, can be according to reality
Border situation is specifically arranged.
The range of the present embodiment nominal refrigerating capacities not different to interior machine limits, and can have according to the actual situation
Ability different corresponding to the ranges of the different nominal refrigerating capacities of interior machine and the range of the nominal refrigerating capacity of the difference is arranged in body
Demand code.
The method for controlling oil return of multi-split air conditioner when the heating of the present embodiment, multi-split air conditioner when can be realized heating
Oil return process, bring the lubricating oil built up in component and pipeline into compressor in time, guarantee oil return in system operation
Normally, guarantee that compressor works under sufficient lubrication state, prevent from burning out compressor.
Fig. 3 shows the structural schematic diagram of the multi-split air conditioner control device of one embodiment of the invention offer, such as Fig. 3 institute
Show, the multi-split air conditioner control device of the present embodiment, comprising: controller 01 and timer 02；
The timer 02 is used for timing；
The controller 01, for the electronic expansion valve opening of all interior machines of air conditioner to be adjusted to full-gear, and
It controls the compressor of the air conditioner and the first preset time period is run with the first predeterminated frequency.
In a particular application, described device can also include not shown in the figure:
Information acquisition unit, for obtaining function power accounting in current unlatching；
The controller 01, it may also be used for judge whether function power accounting is less than default threshold in the current unlatching of air conditioner
Value；If function power accounting is less than preset threshold in the current unlatching of air conditioner, by the electronic expansion valve opening tune of all interior machines
Whole is full-gear, and the frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period.
In a particular application, described device can also include not shown in the figure:
Frequency acquisition unit, for obtaining the current running frequency of the compressor；
The controller 01, it may also be used for if function power accounting is more than or equal to preset threshold in the current unlatching of air conditioner,
Judge the current running frequency of the compressor whether less than the second predeterminated frequency；If the running frequency of the compressor is less than
The electronic expansion valve opening of all interior machines is then adjusted to full-gear by two predeterminated frequencies, and the frequency of the compressor is adjusted
The first preset time period is run for the first predeterminated frequency.
In a particular application, the controller 01, it may also be used for
If the current running frequency of the compressor is more than or equal to the second predeterminated frequency, the air conditioner operation second is pre-
If after the period, returning to the step of whether function power accounting is less than preset threshold in the current unlatching of air conditioner judged.
In a particular application, the controller, it may also be used for
When opening air conditioner, the electronic expansion valve opening of all interior machines of the air conditioner is adjusted to full-gear,
And it controls the compressor of the air conditioner and third preset time period is run with rated frequency.
It should be noted that for device/system embodiment, since it is basically similar to the method embodiment, so
It is described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
The multi-split air conditioner control device of the present embodiment, the oil return process of multi-split air conditioner when can be realized heating,
It brings the lubricating oil built up in component and pipeline into compressor in time, guarantees that oil return is normal in system operation, guarantee pressure
Contracting machine works under sufficient lubrication state, prevents from burning out compressor.
The multi-split air conditioner control device of the present embodiment, can be used for executing the technical solution of above method embodiment,
That the realization principle and technical effect are similar is similar for it, and details are not described herein again.
The embodiment of the invention also provides a kind of multi-split air conditioners, comprising: described in above-mentioned apparatus embodiment one drag it is more
Air conditioner controlling device.
The multi-split air conditioner of the present embodiment, the oil return process of multi-split air conditioner when can be realized heating, in time by portion
The lubricating oil built up in part and pipeline brings compressor into, guarantees that oil return is normal in system operation, guarantees that compressor is filling
Divide under lubricating status and work, prevents from burning out compressor.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.Term " on ", "lower" etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In specification of the invention, numerous specific details are set forth.Although it is understood that the embodiment of the present invention can
To practice without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.Similarly, it should be understood that disclose in order to simplify the present invention and helps to understand respectively
One or more of a inventive aspect, in the above description of the exemplary embodiment of the present invention, each spy of the invention
Sign is grouped together into a single embodiment, figure, or description thereof sometimes.However, should not be by the method solution of the disclosure
Release is in reflect an intention that i.e. the claimed invention requires more than feature expressly recited in each claim
More features.More precisely, as the following claims reflect, inventive aspect is less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment,
It is wherein each that the claims themselves are regarded as separate embodiments of the invention.It should be noted that in the absence of conflict, this
The feature in embodiment and embodiment in application can be combined with each other.The invention is not limited to any single aspect,
It is not limited to any single embodiment, is also not limited to any combination and/or displacement of these aspects and/or embodiment.And
And can be used alone each aspect and/or embodiment of the invention or with other one or more aspects and/or its implementation
Example is used in combination.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (7)
1. a kind of multi-split air conditioner control method characterized by comprising
Judge whether function power accounting is less than preset threshold in the current unlatching of air conditioner；
If function power accounting is less than preset threshold in the current unlatching of air conditioner, by the electronic expansion of all interior machines of air conditioner
Valve opening is adjusted to full-gear, and controls the compressor of the air conditioner and run the first preset time with the first predeterminated frequency
Section；
After whether function power accounting is less than preset threshold in the unlatching for judging that air conditioner is current, further includes:
If function power accounting is more than or equal to preset threshold in the current unlatching of air conditioner, the current operation frequency of the compressor is judged
Whether rate is less than the second predeterminated frequency；
If the current running frequency of the compressor is less than the second predeterminated frequency, by the electronic expansion valve opening tune of all interior machines
Whole is full-gear, and the frequency of the compressor is adjusted to the first predeterminated frequency and runs the first preset time period.
2. the method according to claim 1, wherein further include:
If the current running frequency of the compressor is more than or equal to the second predeterminated frequency, when air conditioner operation second is default
Between after section, return to the step of whether function power accounting is less than preset threshold in the current unlatching of air conditioner judged.
3. the method according to claim 1, wherein further include:
When opening air conditioner, the electronic expansion valve opening of all interior machines of the air conditioner is adjusted to full-gear, and control
It makes the compressor of the air conditioner and third preset time period is run with rated frequency；
The rated frequency is calculated by the following formula acquisition:
Fr1=int (P)+1
Wherein, Fr1 is the rated frequency, and int () is bracket function, P=(P1+P2+ ... Pn) × K1 × K2；Wherein, K1 is
Ability need coefficient, K2 are default capacity correction coefficient, and P1 to Pn is that the ability of machine in the 1st to n-th of the air conditioner needs
Evaluation, n are the quantity of the interior machine of the air conditioner.
4. a kind of multi-split air conditioner control device characterized by comprising controller and timer；
Information acquisition unit, for obtaining function power accounting in current unlatching；
The timer is used for timing；
The controller, for judging whether function power accounting is less than preset threshold in the current unlatching of air conditioner；If air conditioner
Function power accounting is less than preset threshold in current unlatching, then is used for the electronic expansion valve opening tune of all interior machines of air conditioner
Whole is full-gear, and controls the compressor of the air conditioner and run the first preset time period with the first predeterminated frequency；
Further include:
Frequency acquisition unit, for obtaining the current running frequency of the compressor；
The controller, if being also used in the current unlatching of air conditioner function power accounting is more than or equal to preset threshold, described in judgement
Whether the current running frequency of compressor is less than the second predeterminated frequency；If the running frequency of the compressor is less than the second default frequency
The electronic expansion valve opening of all interior machines is then adjusted to full-gear by rate, and it is pre- that the frequency of the compressor is adjusted to first
If frequency runs the first preset time period.
5. device according to claim 4, which is characterized in that the controller is also used to
If the current running frequency of the compressor is more than or equal to the second predeterminated frequency, when air conditioner operation second is default
Between after section, return to the step of whether function power accounting is less than preset threshold in the current unlatching of air conditioner judged.
6. device according to claim 4, which is characterized in that the controller is also used to
When opening air conditioner, the electronic expansion valve opening of all interior machines of the air conditioner is adjusted to full-gear, and control
It makes the compressor of the air conditioner and third preset time period is run with rated frequency；
The rated frequency is calculated by the following formula acquisition:
Fr1=int (P)+1
Wherein, Fr1 is the rated frequency, and int () is bracket function, P=(P1+P2+ ... Pn) × K1 × K2；Wherein, K1 is
Ability need coefficient, K2 are default capacity correction coefficient, and P1 to Pn is that the ability of machine in the 1st to n-th of the air conditioner needs
Evaluation, n are the quantity of the interior machine of the air conditioner.
7. a kind of multi-split air conditioner characterized by comprising multi-split air conditioner described in any one of claim 4-6
Control device.
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| CN107940811A (en) * | 2017-12-25 | 2018-04-20 | 广东美的制冷设备有限公司 | Progress control method, device, air conditioner and computer-readable recording medium |
| CN109489210B (en) * | 2018-10-15 | 2020-12-29 | 珠海格力电器股份有限公司 | Oil return control method and device for multi-split air conditioning system, oil return control equipment and air conditioner |
| CN110207264B (en) * | 2019-06-26 | 2021-03-12 | 广东美的暖通设备有限公司 | Control method, indoor unit, and computer-readable storage medium |
| CN111780372B (en) * | 2020-07-09 | 2021-11-23 | 青岛海尔空调器有限总公司 | Control method of one-driving-multiple air conditioner |
| CN112066525B (en) * | 2020-08-13 | 2021-08-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Multi-split air conditioner control method and device, multi-split air conditioner, storage medium and processor |
| CN114135973B (en) * | 2021-11-15 | 2023-02-03 | 珠海格力电器股份有限公司 | Multi-split air conditioner control method and device and multi-split air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645057A (en) * | 2012-03-31 | 2012-08-22 | 宁波奥克斯电气有限公司 | Oil returning method during heating of multi-split air-conditioning unit |
| CN103017294A (en) * | 2012-12-05 | 2013-04-03 | 宁波奥克斯电气有限公司 | Heating start method of multi-split air conditioner |
| JP2013210124A (en) * | 2012-03-30 | 2013-10-10 | Mitsubishi Electric Corp | Air conditioner |
| CN104180563A (en) * | 2013-05-27 | 2014-12-03 | 珠海格力电器股份有限公司 | Method for returning oil during heating of multi-online system |
| JP2015155775A (en) * | 2014-02-20 | 2015-08-27 | 三菱重工業株式会社 | Multi-split air conditioner |
| CN105066537A (en) * | 2015-07-15 | 2015-11-18 | 宁波奥克斯电气有限公司 | Heating and oil returning control method for multi-connected air conditioning unit |
| CN204987281U (en) * | 2015-09-09 | 2016-01-20 | 广东美的暖通设备有限公司 | Many on line systems and outdoor heat exchanger and off -premises station thereof |
| CN105485861A (en) * | 2016-01-06 | 2016-04-13 | 珠海格力电器股份有限公司 | Control method and device for opening of heating expansion valve of inner unit of multi-split air-conditioning system |
-
2016
- 2016-09-30 CN CN201610880489.5A patent/CN106196517B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013210124A (en) * | 2012-03-30 | 2013-10-10 | Mitsubishi Electric Corp | Air conditioner |
| CN102645057A (en) * | 2012-03-31 | 2012-08-22 | 宁波奥克斯电气有限公司 | Oil returning method during heating of multi-split air-conditioning unit |
| CN103017294A (en) * | 2012-12-05 | 2013-04-03 | 宁波奥克斯电气有限公司 | Heating start method of multi-split air conditioner |
| CN104180563A (en) * | 2013-05-27 | 2014-12-03 | 珠海格力电器股份有限公司 | Method for returning oil during heating of multi-online system |
| JP2015155775A (en) * | 2014-02-20 | 2015-08-27 | 三菱重工業株式会社 | Multi-split air conditioner |
| CN105066537A (en) * | 2015-07-15 | 2015-11-18 | 宁波奥克斯电气有限公司 | Heating and oil returning control method for multi-connected air conditioning unit |
| CN204987281U (en) * | 2015-09-09 | 2016-01-20 | 广东美的暖通设备有限公司 | Many on line systems and outdoor heat exchanger and off -premises station thereof |
| CN105485861A (en) * | 2016-01-06 | 2016-04-13 | 珠海格力电器股份有限公司 | Control method and device for opening of heating expansion valve of inner unit of multi-split air-conditioning system |
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