CN106500257B - The control method and device of air conditioner and its duplex cylinder compressor - Google Patents
The control method and device of air conditioner and its duplex cylinder compressor Download PDFInfo
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- CN106500257B CN106500257B CN201610957797.3A CN201610957797A CN106500257B CN 106500257 B CN106500257 B CN 106500257B CN 201610957797 A CN201610957797 A CN 201610957797A CN 106500257 B CN106500257 B CN 106500257B
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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
-
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Atmospheric Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses the control methods and device of a kind of air conditioner and its duplex cylinder compressor, wherein the described method comprises the following steps: the operating current of real-time detection air conditioner is to obtain current detection value；In duplex cylinder compressor operation, the operating mode of duplex cylinder compressor is switched according to current detection value or closes duplex cylinder compressor, wherein the operating mode of duplex cylinder compressor includes single cylinder operating mode and twin-tub operating mode.According to the method for the present invention, it can guarantee the safety of duplex cylinder compressor operation in the case where air conditioner operating current fluctuates.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to the control method of duplex cylinder compressor, one in a kind of air conditioner
The control device and a kind of air conditioner of duplex cylinder compressor in kind air conditioner.
Background technique
The Energy Efficiency Ratio of duplex cylinder compressor is higher than common single cylinder compressor, and therefore, duplex cylinder compressor has bigger refrigerating capacity
And heating capacity.For a user, duplex cylinder compressor has refrigeration and heating effect faster.When duplex cylinder compressor is with twin-tub work
When operation mode is run, operating current required for air conditioner is greater than the operating current of common single cylinder compressor air conditioner.However, working as
When power network current fluctuates, it is likely that cause expendable damage to duplex cylinder compressor and circuit control panel.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of control method of duplex cylinder compressor in air conditioner, the feelings that can be fluctuated in air conditioner operating current
Under condition, guarantee the safety of duplex cylinder compressor operation.
Second object of the present invention is to propose a kind of control device of duplex cylinder compressor in air conditioner.
Third object of the present invention is to propose a kind of air conditioner.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of control of duplex cylinder compressor in air conditioner
Method, method includes the following steps: the operating current of air conditioner described in real-time detection is to obtain current detection value；Described double
When cylinder compressor is run, the operating mode of the duplex cylinder compressor is switched according to the current detection value or closes the twin-tub pressure
Contracting machine, wherein the operating mode of the duplex cylinder compressor includes single cylinder operating mode and twin-tub operating mode.
The control method of duplex cylinder compressor in air conditioner according to an embodiment of the present invention, passes through the work of real-time detection air conditioner
Make electric current to obtain current detection value, and in duplex cylinder compressor operation, switches the work of duplex cylinder compressor according to current detection value
Operation mode closes duplex cylinder compressor.Thereby, it is possible to the working condition that the operating current according to air conditioner determines duplex cylinder compressor,
So as to guarantee the safety of duplex cylinder compressor operation in the case where the fluctuation of the operating current of air conditioner.
In addition, the control method of duplex cylinder compressor can also have in the air conditioner proposed according to that above embodiment of the present invention
Following additional technical characteristic:
According to one embodiment of present invention, after duplex cylinder compressor closing, sentence also according to the current detection value
It is disconnected whether to be again turned on the duplex cylinder compressor.
Specifically, the operating mode of the duplex cylinder compressor is switched according to the current detection value or closes the twin-tub pressure
Contracting machine, comprising: when the duplex cylinder compressor is run with the twin-tub operating mode, judge whether the current detection value is greater than
First current threshold and less than the second current threshold；If the current detection value is greater than first current threshold and is less than institute
The second current threshold is stated, then the operating mode of the duplex cylinder compressor is switched to the single cylinder operating mode；If the electricity
It flows detected value and is more than or equal to second current threshold, then close the duplex cylinder compressor；When the duplex cylinder compressor is with described
When single cylinder operating mode is run, judge whether the current detection value is less than the difference of first current threshold and the first difference；
If the current detection value is less than the difference of first current threshold and the first difference, by the work of the duplex cylinder compressor
Pattern switching is the twin-tub operating mode.
Further, judged whether to be again turned on the duplex cylinder compressor according to the current detection value, comprising: judge institute
State the difference whether current detection value is less than second current threshold and the second difference；If the current detection value is less than described
The difference of second current threshold and second difference, then be again turned on the duplex cylinder compressor, and controls the duplex cylinder compressor
With single cylinder operating mode operation.
Further, also accumulative when the operating mode of the duplex cylinder compressor is switched to the single cylinder operating mode
Switching times, the method also includes: judge whether the switching times within a preset time are greater than first default time
Number；If the switching times are greater than first preset times, the duplex cylinder compressor trial is forbidden to cut operating mode
It is changed to the twin-tub operating mode.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of control of duplex cylinder compressor in air conditioner
Device, the device include: detection module, and the detection module is used for the operating current of air conditioner described in real-time detection to obtain electricity
Flow detected value；Control module, the control module are used to be cut in duplex cylinder compressor operation according to the current detection value
It changes the operating mode of the duplex cylinder compressor or closes the duplex cylinder compressor, wherein the operating mode of the duplex cylinder compressor
Including single cylinder operating mode and twin-tub operating mode.
The control device of duplex cylinder compressor in air conditioner according to an embodiment of the present invention, it is empty by detection module real-time detection
The operating current of device is adjusted to obtain current detection value, control module can be cut when duplex cylinder compressor is run according to current detection value
It changes the operating mode of duplex cylinder compressor or closes duplex cylinder compressor.Thereby, it is possible to determine twin-tub according to the operating current of air conditioner
The working condition of compressor, so as to guarantee duplex cylinder compressor operation in the case where the fluctuation of the operating current of air conditioner
Safety.
In addition, the control device of duplex cylinder compressor can also have in the air conditioner proposed according to that above embodiment of the present invention
Following additional technical characteristic:
According to one embodiment of present invention, the control module is after duplex cylinder compressor closing, also according to described
Current detection value judges whether to be again turned on the duplex cylinder compressor.
Specifically, the control module is used for when the duplex cylinder compressor is run with the twin-tub operating mode, judgement
Whether the current detection value is greater than the first current threshold and less than the second current threshold, and is greater than institute in the current detection value
When stating the first current threshold and being less than second current threshold, the operating mode of the duplex cylinder compressor is switched to the list
Cylinder working mode, and when the current detection value is more than or equal to second current threshold, the duplex cylinder compressor is closed,
The control module is also used to judge the current detection value when the duplex cylinder compressor is run with the single cylinder operating mode
Whether it is less than the difference of first current threshold and the first difference, and is less than first current threshold in the current detection value
And when the difference of the first difference, the operating mode of the duplex cylinder compressor is switched to the twin-tub operating mode.
Further, the control module for judge the current detection value whether be less than second current threshold with
The difference of second difference, and when the current detection value is less than the difference of second current threshold and second difference, again
The duplex cylinder compressor is opened, and controls the duplex cylinder compressor and is run with the single cylinder operating mode.
Further, the operating mode of the duplex cylinder compressor is being switched to the single cylinder Working mould by the control module
When formula, also add up a switching times, whether the control module is also used to judge the switching times within a preset time
Greater than the first preset times, and when the switching times are greater than first preset times, the duplex cylinder compressor is forbidden to taste
Operating mode is switched to the twin-tub operating mode by examination.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of air conditioner comprising the present invention second
The control device of duplex cylinder compressor in the air conditioner that aspect embodiment proposes.
Air conditioner according to an embodiment of the present invention can guarantee duplex cylinder compressor operation in the case where operating current fluctuates
Safety.
Detailed description of the invention
Fig. 1 is the flow chart according to the control method of duplex cylinder compressor in the air conditioner of the embodiment of the present invention；
Fig. 2 is the relation schematic diagram of the operating current and duplex cylinder compressor working condition according to one embodiment of the invention；
Fig. 3 is the block diagram according to the control device of duplex cylinder compressor in the air conditioner of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The air conditioner of the embodiment of the present invention and its control method and device of duplex cylinder compressor described with reference to the accompanying drawing.
Fig. 1 is the flow chart according to the control method of duplex cylinder compressor in the air conditioner of the embodiment of the present invention.
It should be noted that the duplex cylinder compressor of the embodiment of the present invention can be constant speed duplex cylinder compressor, in normal conditions,
It can be according to the unlatching of the operating status and power demand of air conditioner, closing or switching working mode.
As shown in Figure 1, in the air conditioner of the embodiment of the present invention duplex cylinder compressor control method, comprising the following steps:
S1, the operating current of real-time detection air conditioner is to obtain current detection value.
In one embodiment of the invention, the electric current that can be spaced in preset time (such as 200ms) acquisition air conditioner
Value, and by the operating current of current value conversion air conditioner, to obtain current detection value.
S2 switches the operating mode of duplex cylinder compressor according to current detection value or closes double in duplex cylinder compressor operation
Cylinder compressor, wherein the operating mode of duplex cylinder compressor includes single cylinder operating mode and twin-tub operating mode.
In one embodiment of the invention, duplex cylinder compressor may include the first cylinder and the second cylinder.When twin-tub compresses
When the operating mode of machine is twin-tub operating mode, the first cylinder and the second cylinder are opened, when the Working mould of duplex cylinder compressor
When formula is single cylinder operating mode, the first cylinder is opened, the second cylinder is closed.Wherein, the capacity of the second cylinder is smaller than first
The capacity of cylinder.
In one embodiment of the invention, when duplex cylinder compressor is with the operation of twin-tub operating mode, it can determine whether that electric current is examined
Whether measured value is greater than the first current threshold i0 and less than the second current threshold i1.If current detection value is greater than the first current threshold
I0 and less than the second current threshold i1, then be switched to single cylinder operating mode for the operating mode of duplex cylinder compressor, if electric current is examined
Measured value is more than or equal to the second current threshold i1, then closes duplex cylinder compressor, and duplex cylinder compressor and related load is forbidden to open fortune
Row.
When duplex cylinder compressor is with the operation of single cylinder operating mode, it can determine whether current detection value whether less than the first current threshold
And the difference i0-A of the first difference.If current detection value is less than the difference i0-A of the first current threshold and the first difference, by twin-tub
The operating mode of compressor is switched to twin-tub operating mode.
In one embodiment of the invention, after duplex cylinder compressor closing, can also be judged whether according to current detection value
It is again turned on duplex cylinder compressor.Specifically, after duplex cylinder compressor closing, it can determine whether current detection value whether less than the second electric current
The difference i1-B of threshold value and the second difference, if current detection value less than the difference i1-B of the second current threshold and the second difference, then
Secondary unlatching duplex cylinder compressor, and duplex cylinder compressor is controlled with the operation of single cylinder operating mode.
That is, as shown in Fig. 2, the first current threshold i0 can when duplex cylinder compressor is with the operation of twin-tub operating mode
As the critical condition for judging whether to be switched to single cylinder operating mode；When duplex cylinder compressor is with the operation of single cylinder operating mode, the
Two current threshold i1 can be used as the critical condition for judging whether to close duplex cylinder compressor, the difference of the first current threshold and the first difference
I0-A can be used as the critical condition for judging whether to be switched to twin-tub operating mode；When duplex cylinder compressor is closed, the second current threshold
The difference i1-B of value and the second difference can be used as the critical condition for judging whether that duplex cylinder compressor is opened with single cylinder operating mode.
It should be noted that above-mentioned first can compress twin-tub according to the operating current of air conditioner to third current threshold
The actual influence of the operation of machine and set.
In addition, in one embodiment of the invention, the operating mode of duplex cylinder compressor is being cut by twin-tub operating mode
When being changed to single cylinder operating mode, also add up a switching times.After switching times repeatedly add up, it can determine whether within a preset time
Whether the switching times of (such as in 10min) are greater than the first preset times, if switching times are greater than the first preset times, prohibit
Only duplex cylinder compressor is attempted operating mode being switched to twin-tub operating mode, to avoid duplex cylinder compressor frequent switching Working mould
Formula so that air conditioner be made to can not work normally, or even damages.
The control method of duplex cylinder compressor in air conditioner according to an embodiment of the present invention, passes through the work of real-time detection air conditioner
Make electric current to obtain current detection value, and in duplex cylinder compressor operation, switches the work of duplex cylinder compressor according to current detection value
Operation mode closes duplex cylinder compressor.Thereby, it is possible to the working condition that the operating current according to air conditioner determines duplex cylinder compressor,
So as to guarantee the safety of duplex cylinder compressor operation in the case where the fluctuation of the operating current of air conditioner.
The control method of duplex cylinder compressor, the present invention also propose a kind of air conditioner in air conditioner to realize above-described embodiment
The control device of middle duplex cylinder compressor.
As shown in figure 3, in the air conditioner of the embodiment of the present invention duplex cylinder compressor control device, including 10 He of detection module
Control module 20.
Wherein, detection module 10 is for the operating current of real-time detection air conditioner to obtain current detection value；Control module
20 compress for switching the operating mode of duplex cylinder compressor according to current detection value or closing twin-tub in duplex cylinder compressor operation
Machine, wherein the operating mode of duplex cylinder compressor includes single cylinder operating mode and twin-tub operating mode.
In one embodiment of the invention, detection module 10 can be spaced preset time (such as 200ms) acquisition air conditioner
In a current value, and by the current value conversion air conditioner operating current, to obtain current detection value.
In one embodiment of the invention, duplex cylinder compressor may include the first cylinder and the second cylinder.When twin-tub compresses
When the operating mode of machine is twin-tub operating mode, the first cylinder and the second cylinder are opened, when the Working mould of duplex cylinder compressor
When formula is single cylinder operating mode, the first cylinder is opened, the second cylinder is closed.Wherein, the capacity of the second cylinder is smaller than first
The capacity of cylinder.
In one embodiment of the invention, control module 20, can when duplex cylinder compressor is with the operation of twin-tub operating mode
Judge whether current detection value is greater than the first current threshold i0 and less than the second current threshold i1.If current detection value is greater than the
One current threshold i0 and less than the second current threshold i1, then the operating mode of duplex cylinder compressor is switched to single cylinder by control module 20
Operating mode, if current detection value is more than or equal to the second current threshold i1, control module 20 closes duplex cylinder compressor, and prohibits
Only duplex cylinder compressor and related load open operation.
Whether control module 20 can determine whether current detection value less than the when duplex cylinder compressor is with the operation of single cylinder operating mode
The difference i0-A of one current threshold and the first difference.If current detection value is less than the difference i0- of the first current threshold and the first difference
A, then the operating mode of duplex cylinder compressor is switched to twin-tub operating mode by control module 20.
In one embodiment of the invention, control module 20, can also be according to current detecting after duplex cylinder compressor closing
Value judges whether to be again turned on duplex cylinder compressor.Specifically, after duplex cylinder compressor closing, control module 20 can determine whether that electric current is examined
Measured value whether less than the second current threshold and the second difference difference i1-B, if current detection value is less than the second current threshold and
The difference i1-B of two differences, then control module 20 is again turned on duplex cylinder compressor, and controls duplex cylinder compressor with single cylinder operating mode
Operation.
That is, as shown in Fig. 2, the first current threshold i0 can when duplex cylinder compressor is with the operation of twin-tub operating mode
As the critical condition for judging whether to be switched to single cylinder operating mode；When duplex cylinder compressor is with the operation of single cylinder operating mode, the
Two current threshold i1 can be used as the critical condition for judging whether to close duplex cylinder compressor, the difference of the first current threshold and the first difference
I0-A can be used as the critical condition for judging whether to be switched to twin-tub operating mode；When duplex cylinder compressor is closed, the second current threshold
The difference i1-B of value and the second difference can be used as the critical condition for judging whether that duplex cylinder compressor is opened with single cylinder operating mode.
It should be noted that above-mentioned first can compress twin-tub according to the operating current of air conditioner to third current threshold
The actual influence of the operation of machine and set.
In addition, in one embodiment of the invention, control module 20 by the operating mode of duplex cylinder compressor by twin-tub
When operating mode is switched to single cylinder operating mode, also add up a switching times.After switching times repeatedly add up, control module
20 can determine whether switching times within a preset time (such as in 10min) are greater than the first preset times, if switching times
Greater than the first preset times, then control module 20 forbids duplex cylinder compressor to attempt operating mode being switched to twin-tub operating mode,
To avoid duplex cylinder compressor frequent switching operating mode, so that air conditioner be made to can not work normally, or even damage.
The control device of duplex cylinder compressor in air conditioner according to an embodiment of the present invention, it is empty by detection module real-time detection
The operating current of device is adjusted to obtain current detection value, control module can be cut when duplex cylinder compressor is run according to current detection value
It changes the operating mode of duplex cylinder compressor or closes duplex cylinder compressor.Thereby, it is possible to determine twin-tub according to the operating current of air conditioner
The working condition of compressor, so as to guarantee duplex cylinder compressor operation in the case where the fluctuation of the operating current of air conditioner
Safety.
Corresponding above-described embodiment, the present invention also propose a kind of air conditioner.
The air conditioner of the embodiment of the present invention, including the above embodiment of the present invention propose air conditioner in duplex cylinder compressor control
Device processed, specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
Air conditioner according to an embodiment of the present invention can guarantee duplex cylinder compressor fortune in the case where operating current fluctuates
Capable safety.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. the control method of duplex cylinder compressor in a kind of air conditioner, which comprises the following steps:
The operating current of air conditioner described in real-time detection is to obtain current detection value；
In duplex cylinder compressor operation, switch operating mode or the pass of the duplex cylinder compressor according to the current detection value
Closing the duplex cylinder compressor, wherein the operating mode of the duplex cylinder compressor includes single cylinder operating mode and twin-tub operating mode,
Wherein, the operating mode of the duplex cylinder compressor is switched according to the current detection value or closes the duplex cylinder compressor, comprising:
When the duplex cylinder compressor is run with the twin-tub operating mode, judge whether the current detection value is greater than the first electricity
Flow threshold value and less than the second current threshold；
If the current detection value is greater than first current threshold and is less than second current threshold, by the twin-tub
The operating mode of compressor is switched to the single cylinder operating mode；
If the current detection value is more than or equal to second current threshold, the duplex cylinder compressor is closed；
When the duplex cylinder compressor is run with the single cylinder operating mode, judge whether the current detection value is less than described
The difference of one current threshold and the first difference；
If the current detection value is less than the difference of first current threshold and the first difference, by the duplex cylinder compressor
Operating mode is switched to the twin-tub operating mode.
2. the control method of duplex cylinder compressor in air conditioner according to claim 1, which is characterized in that in the twin-tub pressure
After contracting organ closes, judge whether to be again turned on the duplex cylinder compressor also according to the current detection value.
3. the control method of duplex cylinder compressor in air conditioner according to claim 2, which is characterized in that according to the electric current
Detected value judges whether to be again turned on the duplex cylinder compressor, comprising:
Judge whether the current detection value is less than the difference of second current threshold and the second difference；
If the current detection value is less than the difference of second current threshold and second difference, it is again turned on described double
Cylinder compressor, and control the duplex cylinder compressor and run with the single cylinder operating mode.
4. the control method of duplex cylinder compressor in air conditioner according to claim 1, which is characterized in that by the twin-tub
When the operating mode of compressor is switched to the single cylinder operating mode, also add up a switching times, the method also includes:
Whether the switching times of judgement within a preset time are greater than the first preset times；
If the switching times are greater than first preset times, the duplex cylinder compressor trial is forbidden to cut operating mode
It is changed to the twin-tub operating mode.
5. the control device of duplex cylinder compressor in a kind of air conditioner characterized by comprising
Detection module, the detection module are used for the operating current of air conditioner described in real-time detection to obtain current detection value；
Control module, the control module are used to switch institute according to the current detection value in duplex cylinder compressor operation
It states the operating mode of duplex cylinder compressor or closes the duplex cylinder compressor, wherein the operating mode of the duplex cylinder compressor includes
Single cylinder operating mode and twin-tub operating mode, wherein the control module is used in the duplex cylinder compressor with the twin-tub work
When operation mode is run, judge whether the current detection value is greater than the first current threshold and less than the second current threshold, and in institute
Current detection value is stated greater than first current threshold and when being less than second current threshold, by the work of the duplex cylinder compressor
Operation mode is switched to the single cylinder operating mode, and when the current detection value is more than or equal to second current threshold,
The duplex cylinder compressor is closed, the control module is also used to run in the duplex cylinder compressor with the single cylinder operating mode
When, judge whether the current detection value is less than the difference of first current threshold and the first difference, and in the current detecting
When value is less than the difference of first current threshold and the first difference, the operating mode of the duplex cylinder compressor is switched to described double
Cylinder working mode.
6. the control device of duplex cylinder compressor in air conditioner according to claim 5, which is characterized in that the control module
After duplex cylinder compressor closing, judge whether to be again turned on the duplex cylinder compressor also according to the current detection value.
7. the control device of duplex cylinder compressor in air conditioner according to claim 6, which is characterized in that the control module
For judging whether the current detection value is less than the difference of second current threshold and the second difference, and in the current detecting
When value is less than the difference of second current threshold and second difference, it is again turned on the duplex cylinder compressor, and described in control
Duplex cylinder compressor is run with the single cylinder operating mode.
8. the control device of duplex cylinder compressor in air conditioner according to claim 6, which is characterized in that the control module
When the operating mode of the duplex cylinder compressor is switched to the single cylinder operating mode, also add up a switching times, it is described
Control module is also used to whether the switching times of judgement within a preset time are greater than the first preset times, and in the switching
When number is greater than first preset times, the duplex cylinder compressor is forbidden to attempt for operating mode to be switched to the twin-tub work
Mode.
9. a kind of air conditioner, which is characterized in that compressed including twin-tub in the air conditioner according to any one of claim 5-8
The control device of machine.
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| CN109356854B (en) | 2018-10-19 | 2019-12-27 | 珠海格力电器股份有限公司 | Variable volume compressor operation mode judgment method and equipment, variable volume compressor and air conditioner |
| CN109357452B (en) * | 2018-10-19 | 2019-12-27 | 珠海格力电器股份有限公司 | Compressor cylinder body switching detection method and device and air conditioner |
| CN110779248B (en) * | 2019-10-12 | 2020-11-13 | 珠海格力电器股份有限公司 | Compressor control method, controller and air conditioning unit |
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| JPH10318635A (en) * | 1997-05-20 | 1998-12-04 | Toshiba Corp | Air conditioner |
| CN1924359A (en) * | 2005-08-30 | 2007-03-07 | 上海日立电器有限公司 | Capacity controlled compressor with one and two cylinders |
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| CN102331072A (en) * | 2011-09-20 | 2012-01-25 | 广东美的电器股份有限公司 | Energy-saving control method for air conditioner with double-mode double-rotor variable frequency compressor |
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| JPH10318635A (en) * | 1997-05-20 | 1998-12-04 | Toshiba Corp | Air conditioner |
| CN1924359A (en) * | 2005-08-30 | 2007-03-07 | 上海日立电器有限公司 | Capacity controlled compressor with one and two cylinders |
| CN101995110A (en) * | 2010-10-29 | 2011-03-30 | 广东美的电器股份有限公司 | Double-cylinder variable-capacity compressor air conditioning system and control method thereof |
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