CN106123211A - In air-conditioner and air-conditioner, the low-voltage variation of compressor controls apparatus and method - Google Patents
In air-conditioner and air-conditioner, the low-voltage variation of compressor controls apparatus and method Download PDFInfo
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- CN106123211A CN106123211A CN201610463619.5A CN201610463619A CN106123211A CN 106123211 A CN106123211 A CN 106123211A CN 201610463619 A CN201610463619 A CN 201610463619A CN 106123211 A CN106123211 A CN 106123211A
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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
- 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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The low-voltage variation that the invention discloses compressor in a kind of air-conditioner and air-conditioner controls apparatus and method, and described control method comprises the following steps: the running current of detection air-conditioner is to obtain the first current detection value；The input voltage of detection air-conditioner is to obtain voltage detecting value；If the first current detection value is more than or equal to the first pre-set current value and voltage detecting value in the first Preset Time continuously less than preset voltage value; then control compressor shutdown to carry out low-voltage overcurrent protection; such that it is able to the compressor circuit vibration preventing low pressure operation from causing increases; and then prevent pipeline shake split, the situation of secondary refrigerant leakage occurs; compressor is effectively protected; improve the reliability of compressor; and extend service life of compressor, but also avoid compressor because of brownout frequent start-stop.
Description
Technical field
The present invention relates to domestic air conditioning technical field, particularly to the low-voltage variation controlling party of compressor in a kind of air-conditioning
In method, a kind of air-conditioner, the low-voltage variation of compressor controls device and a kind of air-conditioner with this control device.
Background technology
In the related, compressor is generally protected by air-conditioner by detection current value.But correlation technique is deposited
Shortcoming be, it is impossible to effectively judge to cause the reason of compressed stream, there is no specific aim.
Therefore, correlation technique needs to improve.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention
One purpose is to propose the low-voltage variation control method of compressor in a kind of air-conditioner, and this control method can be drawn for low-voltage
The electric current risen increases, and protects compressor.
Further object is that proposing the low-voltage variation of compressor in a kind of air-conditioner controls device.The present invention
Another purpose be to propose a kind of air-conditioner.
For reaching above-mentioned purpose, the low-voltage variation control of compressor in a kind of air-conditioner that one aspect of the present invention embodiment proposes
Method processed, comprises the following steps: the running current of detection air-conditioner is to obtain the first current detection value；The input of detection air-conditioner
Voltage is to obtain voltage detecting value；If described first current detection value is more than or equal to the first pre-set current value and the inspection of described voltage
Measured value continuously less than preset voltage value, then controls described compressor shutdown and protects to carry out the low stream that presses through in the first Preset Time
Protect.
The low-voltage variation control method of compressor in the air-conditioner proposed according to embodiments of the present invention, the fortune of detection air-conditioner
Row electric current is to obtain the first current detection value, and the input voltage of detection air-conditioner is to obtain voltage detecting value, and at the first electric current
Detected value more than or equal to the first pre-set current value and voltage detecting value in the first Preset Time continuously less than preset voltage value time,
Control compressor shutdown is to carry out low-voltage overcurrent protection, such that it is able to the compressor circuit vibration preventing low pressure operation from causing increases
Greatly, so prevent pipeline shake split, the situation of secondary refrigerant leakage occurs, and effectively protects compressor, improves the reliable of compressor
Property, and extend the service life of compressor, but also avoid compressor because of brownout frequent start-stop.
According to one embodiment of present invention, if described first current detection value is more than or equal to described first predetermined current
Value and described voltage detecting value, more than or equal to described preset voltage value, detect the running current of air-conditioner the most again to obtain second
Current detection value, and judge whether described second current detection value is more than or equal to the second pre-set current value, if described second electricity
Stream detected value more than or equal to described second pre-set current value, then controls described compressor shutdown to carry out low-voltage overcurrent protection.
According to one embodiment of present invention, if described first current detection value less than described first pre-set current value or
Second current detection value described in person is less than described second pre-set current value, then control described compressor and continue to run with.
According to one embodiment of present invention, described first current detection value and described second current detection value are compressor
Average current value in instantaneous current value or the second Preset Time after startup；Described voltage detecting value is pre-after compressor start
If the average voltage level in the instantaneous voltage value in moment or the second Preset Time.
According to one embodiment of present invention, the span of described preset voltage value is 150V-200V；Described first pre-
If the span of time is 0h-8h.
For reaching above-mentioned purpose, the low-voltage variation of compressor in a kind of air-conditioner that another aspect of the present invention embodiment proposes
Control device, including: amperometric, for detecting the running current of air-conditioner to obtain the first current detection value；Voltage is examined
Survey device, for detecting the input voltage of air-conditioner to obtain voltage detecting value；Control module, described control module is respectively with described
Amperometric is connected with described voltage detector, if described first current detection value more than or equal to the first pre-set current value and
Described voltage detecting value is continuously less than preset voltage value in the first Preset Time, and described control module then controls described compressor
Shut down to carry out low-voltage overcurrent protection.
In the air-conditioner proposed according to embodiments of the present invention, the low-voltage variation of compressor controls device, passes through amperometric
Obtain the first current detection value when air-conditioner runs and voltage detecting value with voltage detector respectively, and judge in control module
First current detection value is more than or equal to the first pre-set current value and voltage detecting value in the first Preset Time continuously less than presetting
During magnitude of voltage, control compressor shutdown is to carry out low-voltage overcurrent protection, such that it is able to prevent the compressor pipe that low pressure operation causes
Road vibration increases, so prevent pipeline shake split, the situation of secondary refrigerant leakage occurs, and effectively protects compressor, improves compression
The reliability of machine, and extend the service life of compressor, but also avoid compressor because of brownout frequent start-stop, promote and use
Family is experienced.
According to one embodiment of present invention, if described first current detection value is more than or equal to described first predetermined current
Value and described voltage detecting value are more than or equal to described preset voltage value, then again by described amperometric detection air-conditioner
Running current is to obtain the second current detection value, and judges that whether described second current detection value is more than or equal to the second predetermined current
Value, if described second current detection value is more than or equal to described second pre-set current value, described control module then controls described pressure
Contracting machine is shut down to carry out low-voltage overcurrent protection.
According to one embodiment of present invention, if described first current detection value less than described first pre-set current value or
Second current detection value described in person is less than described second pre-set current value, and described control module then controls described compressor and continues fortune
OK.
According to one embodiment of present invention, described first current detection value and described second current detection value are compressor
Instantaneous current value after startup or the average current value in the second Preset Time；After described voltage detecting value is compressor start
Instantaneous voltage value or the second Preset Time in average voltage level.
According to one embodiment of present invention, the span of described preset voltage value is 150V-200V；Described first pre-
If the span of time is 0h-8h.
For reaching above-mentioned purpose, a kind of air-conditioner that another aspect of the invention embodiment proposes, including described air-conditioner
The low-voltage variation of middle compressor controls device.
The air-conditioner proposed according to embodiments of the present invention, can control compressor shutdown to carry out low pressure when brownout
Overcurrent protection, such that it is able to prevent the compressor circuit vibration that low pressure operation causes from increasing, and then prevent pipeline shake split, coolant is let out
The situation of dew occurs, and effectively protects compressor, the reliability of raising compressor, and extends the service life of compressor,
But also avoid compressor because of brownout frequent start-stop, promote Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of the low-voltage variation control method of compressor in air-conditioner according to embodiments of the present invention；
Fig. 2 is the flow chart of the low-voltage variation control method of compressor in air-conditioner according to an embodiment of the invention；
Fig. 3 is the block diagram of the low-voltage variation control device of compressor in air-conditioner according to embodiments of the present invention；
And
Fig. 4 is the block diagram of air-conditioner according to embodiments of the present invention.
Reference:
Air-conditioner 1, amperometric 10, voltage detector 20, control module 30 and control device 100.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings compressor low in the air-conditioner and air-conditioner that the embodiment of the present invention proposes is described in detail
Pressure protection controls apparatus and method.
Fig. 1 is the flow chart of the low-voltage variation control method of compressor in air-conditioner according to embodiments of the present invention.Such as Fig. 1
Shown in, this control method comprises the following steps:
S1: the running current of detection air-conditioner is to obtain the first current detection value.
S2: the input voltage of detection air-conditioner is to obtain voltage detecting value.
S3: if the first current detection value is more than or equal to the first pre-set current value and voltage detecting value at the first Preset Time
Interior continuously less than preset voltage value, then control compressor shutdown to carry out low-voltage overcurrent protection.
Specifically, in air-conditioner, amperometric and voltage detector can be set the major loop of compressor with detection
The running current of air-conditioner and input voltage.After air-conditioner start runs, by the operation electricity of amperometric detection air-conditioner
Stream, to obtain the first current detection value I1, and judges whether the first current detection value I1 of air-conditioner presets more than or equal to first
Current value Is1, if I1 >=Is1, then by the working voltage of voltage detector detection air-conditioner to obtain voltage detecting value U,
And determine whether voltage detecting value U whether less than preset voltage value Us, if voltage detecting value U less than preset voltage value Us and
Continue for the first preset time t S, then control compressor shutdown；If I1 is ＜ Is1, then control air-conditioner properly functioning.
Further, according to one embodiment of present invention, if the first current detection value presets electricity more than or equal to first
Flow valuve and voltage detecting value, more than or equal to preset voltage value, detect the running current of air-conditioner the most again to obtain the second electric current inspection
Measured value, and judge whether the second current detection value is more than or equal to the second pre-set current value, if the second current detection value is more than
In the second pre-set current value, then control compressor shutdown to carry out low-voltage overcurrent protection.Wherein, the second pre-set current value can be more than
First pre-set current value.
It is to say, after the first current detection value I1 judging air-conditioner is more than or equal to the first pre-set current value Is1,
Determine whether that voltage detecting value U, more than or equal to preset voltage value Us, detects the operation of air-conditioner the most again by amperometric
Electric current is to obtain the second current detection value I2, and judges whether the second current detection value I2 of air-conditioner presets more than or equal to second
Current value Is2, if I2 >=Is2, then air-conditioner is properly functioning；If I2 < Is2, then control compressor shutdown.
If as it has been described above, the first current detection value I1 is less than the first pre-set current value Is1 or the second current detection value
I1 is less than the second pre-set current value Is2, then control compressor and continue to run with.
It addition, according to one embodiment of present invention, after controlling compressor shutdown, the defeated of air-conditioner can again be detected
Enter voltage to obtain the first voltage detecting value, and control compression when the first voltage detecting value is more than or equal to the first preset voltage value
Machine restarts, and wherein, the first preset voltage value can be more than preset voltage value.
Specifically, according to one embodiment of present invention, as in figure 2 it is shown, this control method specifically includes following steps:
S10: the running current of detection air-conditioner is to obtain the first current detection value I1.
S20: judge that whether the first current detection value I1 is more than or equal to the first pre-set current value Is1.
If it is, perform step S30；Otherwise, step S90 is performed.
S30: the input voltage of detection air-conditioner is to obtain voltage detecting value U.
S40: judge that whether voltage detecting value U is less than preset voltage value Us.
If it is, perform step S50；If it is not, then perform step S70.
S50: judge whether voltage detecting value reaches the first preset time T s less than the duration T of preset voltage value.
If it is, perform step S60；If it is not, then perform step S40.
S60: control compressor shutdown.
S70: the running current of detection air-conditioner is to obtain the second current detection value I2.
S80: judge that whether the second current detection value I2 of air-conditioner is less than the second pre-set current value Is2.
If it is, perform step S90；If it is not, then perform step S60.
S90: air-conditioner is properly functioning.
Specifically, in one embodiment of the invention, the first current detection value I1 and the second current detection value I2 can be
Instantaneous current value after compressor start or the average current value in the second Preset Time.
Further, the instantaneous voltage value after voltage detecting value is compressor start or the average voltage in the second Preset Time
Value.
A specific embodiment according to the present invention, the span of preset voltage value can be 150V-200V.
A specific embodiment according to the present invention, the span of the first Preset Time can be 0h-8h.
A concrete example according to the present invention, in air-conditioner, compressor can be constant speed compressor, and constant speed compressor can be excellent
Elect constant speed variable positive displacement compressor as.
To sum up, the low-voltage variation control method of compressor in the air-conditioner proposed according to embodiments of the present invention, detects air-conditioning
The running current of device is to obtain the first current detection value, and the input voltage of detection air-conditioner is to obtain voltage detecting value, and the
One current detection value is more than or equal to the first pre-set current value and voltage detecting value in the first Preset Time continuously less than default electricity
During pressure value, control compressor shutdown is to carry out low-voltage overcurrent protection, such that it is able to prevent the compressor circuit that low pressure operation causes
Vibration increases, so prevent pipeline shake split, the situation of secondary refrigerant leakage occurs, and effectively protects compressor, improves compressor
Reliability, and extend service life of compressor, but also avoid compressor because of brownout frequent start-stop.
Fig. 3 is the block diagram of the low-voltage variation control device of compressor in air-conditioner according to embodiments of the present invention.
Include as it is shown on figure 3, control device 100: amperometric 10, voltage detector 20 and control module 30.
Wherein, amperometric 10 is for detecting the running current of air-conditioner to obtain the first current detection value；Voltage is examined
Survey device 20 for detecting the input voltage of air-conditioner to obtain voltage detecting value；Control module 30 respectively with amperometric 10 and
Voltage detector 20 is connected, if the first current detection value is pre-first more than or equal to the first pre-set current value and voltage detecting value
If continuously less than preset voltage value in the time, control module 30 then controls compressor shutdown to carry out low-voltage overcurrent protection.
Specifically, amperometric 10 can be connected on the major loop of compressor in air-conditioner to detect the fortune of air-conditioner
Row electric current, voltage detector 20 can be connected in parallel on the major loop of compressor, to detect the input voltage of air-conditioner.Air-conditioner is started shooting
After operation, detected the running current of air-conditioner by amperometric 10, to obtain the first current detection value I1, control module 30
Judge that the first current detection value I1 of air-conditioner, whether more than or equal to the first pre-set current value Is1, if I1 >=Is1, then passes through
Voltage detector 20 detects the working voltage of air-conditioner, to obtain voltage detecting value U；Control module 30 determines whether that voltage is examined
Whether measured value U is less than preset voltage value Us, if voltage detecting value U less than preset voltage value Us and continue for the first Preset Time
Ts, control module 30 then controls compressor shutdown；If I1 ＜ Is1 control module 30, control air-conditioner properly functioning.
Further, according to one embodiment of present invention, if it is determined that the first current detection value is pre-more than or equal to first
If current value and voltage detecting value are more than or equal to preset voltage value, control module 30 then detects sky again by amperometric 10
The running current of tune device is to obtain the second current detection value, and judges whether the second current detection value is preset electric more than or equal to second
Flow valuve, if the second current detection value is more than or equal to the second pre-set current value, then control module 30 controls compressor shutdown to enter
Row low-voltage overcurrent protection.Wherein, the second pre-set current value can be more than the first pre-set current value.
It is to say, control module 30 is judging that the first current detection value I1 of air-conditioner is more than or equal to the first predetermined current
After value Is1, determine whether that voltage detecting value U, more than or equal to preset voltage value Us, is detected by amperometric 10 the most again
The running current of air-conditioner is to obtain the second current detection value I2, and judges that the second electric current of air-conditioner is examined by control module 30
Whether measured value I2 is more than or equal to the second pre-set current value Is2, if I2 >=Is2, then air-conditioner is properly functioning；If I2 < Is2,
Then control module 30 controls compressor shutdown.
If as it has been described above, the first current detection value I1 is less than the first pre-set current value Is1 or the second current detection value
I1 is less than the second pre-set current value Is2, then control module 30 controls compressor and continues to run with.
It addition, according to one embodiment of present invention, control module 30, can be again by after controlling compressor shutdown
Voltage detector 20 detects the input voltage of air-conditioner to obtain the first voltage detecting value, and is more than in the first voltage detecting value
When the first preset voltage value, control module 30 controls compressor and restarts, and wherein, the first preset voltage value can be more than presetting
Magnitude of voltage.
In one embodiment of the invention, the first current detection value I1 and the second current detection value I2 can be that compressor opens
Instantaneous current value after Dong or the average current value in the second Preset Time.
Further, the instantaneous voltage value after voltage detecting value is compressor start or the average voltage in the second Preset Time
Value.
A specific embodiment according to the present invention, the span of preset voltage value can be 150V-200V.
A specific embodiment according to the present invention, the span of the first Preset Time can be 0h-8h.
A concrete example according to the present invention, in air-conditioner, compressor can be constant speed compressor, and constant speed compressor can be excellent
Elect constant speed variable positive displacement compressor as.
To sum up, in the air-conditioner proposed according to embodiments of the present invention, the low-voltage variation of compressor controls device, passes through electric current
Detector and voltage detector obtain the first current detection value when air-conditioner runs and voltage detecting value respectively, and are controlling mould
Block judges that the first current detection value continues little more than or equal to the first pre-set current value and voltage detecting value in the first Preset Time
When preset voltage value, control compressor shutdown is to carry out low-voltage overcurrent protection, such that it is able to prevent the pressure that low pressure operation causes
Contracting machine pipeline vibration increases, so prevent pipeline shake split, the situation of secondary refrigerant leakage occurs, compressor is effectively protected, carries
The reliability of high compressor, and extend the service life of compressor, but also avoid compressor because of brownout frequent start-stop,
Promote Consumer's Experience.
Fig. 4 is the block diagram of air-conditioner according to embodiments of the present invention.As shown in Figure 4, this air-conditioner 1 includes air-conditioning
In device, the low-voltage variation of compressor controls device 100.
To sum up, the air-conditioner proposed according to embodiments of the present invention, compressor shutdown can be controlled when brownout to enter
Row low-voltage overcurrent protection, such that it is able to prevent the compressor circuit vibration that low pressure operation causes from increasing, and then prevent pipeline shake split,
The situation of secondary refrigerant leakage occurs, and effectively protects compressor, improves the reliability of compressor, and extends the use of compressor
Life-span, but also avoid compressor because of brownout frequent start-stop, promote Consumer's Experience.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (11)
1. the low-voltage variation control method of compressor in an air-conditioner, it is characterised in that comprise the following steps:
The running current of detection air-conditioner is to obtain the first current detection value；
The input voltage of detection air-conditioner is to obtain voltage detecting value；
If described first current detection value is more than or equal to the first pre-set current value and described voltage detecting value when first presets
Interior continuously less than preset voltage value, then control described compressor shutdown to carry out low-voltage overcurrent protection.
The low-voltage variation control method of compressor in air-conditioner the most according to claim 1, it is characterised in that if described
First current detection value is more than or equal to described predeterminated voltage more than or equal to described first pre-set current value and described voltage detecting value
Value, the most again detects the running current of air-conditioner to obtain the second current detection value, and judges that described second current detection value is
No it is more than or equal to the second pre-set current value, if described second current detection value is more than or equal to described second pre-set current value, then
Control described compressor shutdown to carry out low-voltage overcurrent protection.
The low-voltage variation control method of compressor in air-conditioner the most according to claim 2, it is characterised in that
If described first current detection value is less than institute less than described first pre-set current value or described second current detection value
State the second pre-set current value, then control described compressor and continue to run with.
4. according to the low-voltage variation control method of compressor in the air-conditioner described in Claims 2 or 3, it is characterised in that described
First current detection value and described second current detection value are the instantaneous current value after compressor start or the second Preset Time
Interior average current value；
Described voltage detecting value is the instantaneous voltage value after compressor start or the average voltage level in the second Preset Time.
The low-voltage variation control method of compressor in air-conditioner the most according to claim 1, it is characterised in that described default
The span of magnitude of voltage is 150V-200V；The span of described first Preset Time is 0h-8h.
6. in an air-conditioner, the low-voltage variation of compressor controls device, it is characterised in that including:
Amperometric, for detecting the running current of air-conditioner to obtain the first current detection value；
Voltage detector, for detecting the input voltage of air-conditioner to obtain voltage detecting value；
Control module, described control module is connected with described amperometric and described voltage detector respectively, if described
One current detection value is more than or equal to the first pre-set current value and described voltage detecting value in the first Preset Time continuously less than in advance
If magnitude of voltage, described control module then controls described compressor shutdown to carry out low-voltage overcurrent protection.
In air-conditioner the most according to claim 6, the low-voltage variation of compressor controls device, it is characterised in that if described
First current detection value is more than or equal to described predeterminated voltage more than or equal to described first pre-set current value and described voltage detecting value
Value, then again by the running current of described amperometric detection air-conditioner to obtain the second current detection value, and judge institute
State whether the second current detection value is more than or equal to the second pre-set current value, if described second current detection value is more than or equal to described
Second pre-set current value, described control module then controls described compressor shutdown to carry out low-voltage overcurrent protection.
In air-conditioner the most according to claim 7, the low-voltage variation of compressor controls device, it is characterised in that
If described first current detection value is less than institute less than described first pre-set current value or described second current detection value
Stating the second pre-set current value, described control module then controls described compressor and continues to run with.
9. control device according to the low-voltage variation of compressor in the air-conditioner described in claim 7 or 8, it is characterised in that
Described first current detection value and described second current detection value are the instantaneous current value or second after compressor start
Average current value in Preset Time；Described voltage detecting value is that the instantaneous voltage value after compressor start or second is when presetting
Interior average voltage level.
In air-conditioner the most according to claim 6, the low-voltage variation of compressor controls device, it is characterised in that described pre-
If the span of magnitude of voltage is 150V-200V；The span of described first Preset Time is 0h-8h.
11. 1 kinds of air-conditioners, it is characterised in that include according to compressor in the air-conditioner according to any one of claim 6-10
Low-voltage variation control device.
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| CN107503925A (en) * | 2017-07-17 | 2017-12-22 | 华意压缩机股份有限公司 | Method for reducing shutdown vibration of compressor |
| CN108489037A (en) * | 2018-03-28 | 2018-09-04 | 广东美的暖通设备有限公司 | Control method, system and the air conditioner of frequency-changeable compressor |
| CN109458695A (en) * | 2018-10-31 | 2019-03-12 | 奥克斯空调股份有限公司 | A kind of demagnetization guard method of power-off compressor and device |
| CN109798997A (en) * | 2019-03-06 | 2019-05-24 | 珠海格力电器股份有限公司 | Air conditioning system, method and device for detecting compressor overcurrent by utilizing temperature sensing bulb |
| CN110469947A (en) * | 2019-08-29 | 2019-11-19 | 重庆美的通用制冷设备有限公司 | The protection control method and system of air conditioner, air conditioner and readable storage medium storing program for executing |
| CN111923691A (en) * | 2020-09-01 | 2020-11-13 | 海信（山东）空调有限公司 | Parking air conditioner control method and parking air conditioner |
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| CN111923691B (en) * | 2020-09-01 | 2022-05-06 | 海信（山东）空调有限公司 | Parking air conditioner control method and parking air conditioner |
| CN113375302A (en) * | 2021-05-20 | 2021-09-10 | 青岛海尔空调器有限总公司 | Air conditioner voltage fluctuation control system and control method, electronic equipment and storage medium |
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Application publication date: 20161116 |