CN108931042A - The control method and device of compressor winding heating - Google Patents
The control method and device of compressor winding heating Download PDFInfo
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- CN108931042A CN108931042A CN201810635697.8A CN201810635697A CN108931042A CN 108931042 A CN108931042 A CN 108931042A CN 201810635697 A CN201810635697 A CN 201810635697A CN 108931042 A CN108931042 A CN 108931042A
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- 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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F11/88—Electrical aspects, e.g. circuits
-
- 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
- F24F2110/10—Temperature
-
- 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
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention proposes a kind of control method and device of compressor winding heating, method includes the following steps: obtaining outdoor environment temperature and room temperature；According to outdoor environment temperature and room temperature, the heated current of compressor winding is adjusted.The present invention can make refrigerant that heat absorption are transferred to indoor machine evaporation by winding by compressor heating in winding, to improve low-temperature heating ability.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to a kind of control method and device of compressor winding heating.
Background technique
Low-temperature heating is always the technological difficulties of frequency-conversion air-conditioning system, including spray painting increasing enthalpy frequency-changeable compressor technology, twin-stage
The technologies such as compression frequency-changeable compressor technology are provided to solve the problems, such as low-temperature heating.
Currently, to improve low-temperature heating ability, can only generally pass through in the case where not using special designing compressor
Compressor rotary speed is improved to realize.However, compressor running speed, there are the upper limit, revolving speed is excessively high to will lead to compressor mechanical wear
And it fails.
Summary of the invention
The present invention is directed to solve at least to a certain extent it is above-mentioned in the related technology the technical issues of one of.
For this purpose, this method can an object of the present invention is to provide a kind of control method of compressor winding heating
By compressor heating in winding, make refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low temperature
Heating capacity.
It is another object of the present invention to the control devices for proposing a kind of compressor winding heating.
Third object of the present invention is to propose a kind of electronic equipment.
Fourth object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
To achieve the goals above, the embodiment of first aspect present invention proposes a kind of control of compressor winding heating
Method, comprising the following steps: obtain outdoor environment temperature and room temperature；According to the outdoor environment temperature and room temperature,
Adjust the heated current of compressor winding.
The control method of compressor winding heating according to an embodiment of the present invention, by obtaining outdoor environment temperature and interior
Temperature adjusts the heated current of compressor winding according to outdoor environment temperature and room temperature, and then is sent out by compressor winding
Heat makes refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.
In addition, the control method of compressor winding heating according to the above embodiment of the present invention can also have following add
Technical characteristic:
In some instances, the acquisition outdoor environment temperature and room temperature, comprising: obtain outdoor actual environment temperature
Degree, indoor set temperature and indoor actual temperature；It is described according to the outdoor environment temperature and the room temperature, adjust compression
The heated current of machine winding, comprising: according to the indoor set temperature, the indoor actual temperature and the outdoor actual environment
Temperature, closed loop adjust the heated current.
In some instances, described according to the indoor set temperature, the indoor actual temperature and the outdoor reality
Environment temperature, closed loop adjust the heated current, comprising: calculate the difference of the indoor set temperature and the indoor actual temperature
Value, obtains differential temperature；Integral adjustment, proportional integration adjusting or variable-gain integral adjustment are carried out to the differential temperature, obtained
Adjust heated current；First clipping control is carried out to the adjusting heated current, obtains the heated current, first clipping
The upper limit of control is equal to zero, and the lower limit of the first clipping control is determined according to the outdoor actual ambient temperature, described outdoor practical
Environment temperature is lower, then the lower limit of the first clipping control is lower.
In some instances, further includes: the heated current is added with weak magnetic control electric current, obtains the first weak magnetic electricity
Stream；Second clipping control is carried out to first weak magnetoelectricity stream, obtains the second weak magnetoelectricity stream, the upper limit of the second clipping control
Equal to zero, the lower limit of the second clipping control is equal to the minimum value of compressor direct-axis current.
In some instances, further includes: the difference for calculating voltage limiting threshold and output voltage amplitude obtains weak magnetic voltage
Difference；The weak magnetic voltage difference is adjusted, the weak magnetic control electric current is obtained.
In some instances, further includes: if air-conditioning is in heating mode, and the temperature of weak magnetic control module is less than overheat limit
Frequency threshold value, and evaporator temperature is less than temperature frequency limit threshold value, and compressor input current is less than overcurrent frequency limit threshold value, and is vented temperature
Degree is less than exhaust frequency limit threshold value, and outdoor environment temperature is equal to or less than the first temperature threshold, and compressor operating frequency etc.
In or greater than corresponding operating condition maximum running frequency, then open compressor winding heating function, obtain the outdoor environment temperature
Degree and room temperature according to the outdoor environment temperature and room temperature adjust the heated current.
In some instances, further includes: if air-conditioning is in the heating mode, and the temperature etc. of the weak magnetic control module
In being perhaps greater than the overheat frequency limit threshold value or the evaporator temperature equal to or more than the temperature frequency limit threshold value, or
Compressor input current described in person is equal to or more than the overcurrent frequency limit threshold value or the delivery temperature is equal to or more than
The exhaust frequency limit threshold value, then judge whether the compressor winding heating function has turned on；If having turned on, it is gradually reduced institute
Heated current is stated, and when the heated current is equal to zero, exits the compressor winding heating function；If not opening, by
Gradually reduce the compressor operating frequency.
In some instances, further includes: if air-conditioning is in the heating mode, and the temperature of the weak magnetic control module is small
In the overheat frequency limit threshold value, and the evaporator temperature is less than the temperature frequency limit threshold value, and the compressor input current
Less than the overcurrent frequency limit threshold value, and the delivery temperature is less than the exhaust frequency limit threshold value, and the outdoor environment temperature is big
It is equal to or less than first temperature threshold and the compression in first temperature threshold or the outdoor environment temperature
Machine running frequency is less than the maximum running frequency of corresponding operating condition, then judges whether the compressor winding heating function has turned on；
If having turned on, it is gradually reduced the heated current, and when the heated current is equal to zero, exits the compressor winding and adds
Heat function.
The embodiment of second aspect of the present invention also proposed a kind of control device of compressor winding heating, comprising: obtain
Module, for obtaining outdoor environment temperature and room temperature；Adjustment module, for according to the outdoor environment temperature and Indoor Temperature
Degree adjusts the heated current of compressor winding.
The control device of compressor winding heating according to an embodiment of the present invention, by obtaining outdoor environment temperature and interior
Temperature adjusts the heated current of compressor winding according to outdoor environment temperature and room temperature, and then is sent out by compressor winding
Heat makes refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.
In addition, the control device of compressor winding heating according to the above embodiment of the present invention can also have following add
Technical characteristic:
In some instances, the acquisition module is for obtaining outdoor actual ambient temperature, indoor set temperature and interior
Actual temperature；The adjustment module is used for according to the indoor set temperature, the indoor actual temperature and the outdoor reality
Environment temperature, closed loop adjust the heated current.
In some instances, the adjustment module is used to calculate the indoor set temperature and the indoor actual temperature
Difference obtains differential temperature, and carries out integral adjustment, proportional integration adjusting or variable-gain integral adjustment to the differential temperature,
It obtains adjusting heated current, and to the adjustings heated current the first clipping control of progress, obtains the heated current, described the
The upper limit of one clipping control is equal to zero, and the lower limit of the first clipping control is determined according to the outdoor actual ambient temperature, the room
Outer actual ambient temperature is lower, then the lower limit of the first clipping control is lower.
In some instances, the adjustment module is also used to for the heated current being added with weak magnetic control electric current, obtains
First weak magnetoelectricity stream, and the second clipping control is carried out to first weak magnetoelectricity stream, obtain the second weak magnetoelectricity stream, second limit
The upper limit of width control is equal to zero, and the lower limit of the second clipping control is equal to the minimum value of compressor direct-axis current.
In some instances, the adjustment module is used to calculate the difference of voltage limiting threshold and output voltage amplitude, obtains
It is adjusted to weak magnetic voltage difference, and to the weak magnetic voltage difference, obtains the weak magnetic control electric current.
In some instances, the adjustment module is also used to be in heating mode, and the temperature of weak magnetic control module when air-conditioning
Degree is less than overheat frequency limit threshold value, and evaporator temperature is less than temperature frequency limit threshold value, and compressor input current is less than overcurrent frequency limit
Threshold value, and delivery temperature is less than exhaust frequency limit threshold value, and outdoor environment temperature is equal to or less than the first temperature threshold, and compresses
When machine running frequency is equal to or more than the maximum running frequency of corresponding operating condition, compressor winding heating function is opened, obtains institute
Outdoor environment temperature and room temperature are stated, according to the outdoor environment temperature and room temperature, adjusts the heated current.
In some instances, the adjustment module is also used to be in the heating mode when air-conditioning, and the weak magnetic controls
The temperature of module is equal to or more than the overheat frequency limit threshold value or the evaporator temperature is equal to or more than the temperature
Perhaps the compressor input current is equal to or more than the overcurrent frequency limit threshold value or the delivery temperature to frequency limit threshold value
When equal to or more than the exhaust frequency limit threshold value, judge whether the compressor winding heating function has turned on；When the pressure
When contracting machine winding heating function has turned on, it is gradually reduced the heated current, and when the heated current is equal to zero, exits institute
State compressor winding heating function；When the compressor winding heating function is not opened, the compressor operation is gradually decreased
Frequency.
In some instances, the adjustment module is also used to be in the heating mode when air-conditioning, and the weak magnetic controls
The temperature of module is less than the overheat frequency limit threshold value, and the evaporator temperature is less than the temperature frequency limit threshold value, and the pressure
Contracting machine input current is less than the overcurrent frequency limit threshold value, and the delivery temperature is less than the exhaust frequency limit threshold value, and the room
External environment temperature is greater than first temperature threshold or the outdoor environment temperature is equal to or less than first temperature threshold
When value and the compressor operating frequency are less than the maximum running frequency of corresponding operating condition, the compressor winding heating function is judged
Whether have turned on；When the compressor winding heating function has turned on, it is gradually reduced the heated current, and in the heating
When electric current is equal to zero, the compressor winding heating function is exited.
The embodiment of third aspect present invention also proposed a kind of electronic equipment, comprising: memory, processor and be stored in
On the memory and the computer program that can run on the processor, the processor execute described program, to realize
The control method of the heating of compressor winding described in the above embodiment of the present invention.
Electronic equipment according to an embodiment of the present invention, by obtaining outdoor environment temperature and room temperature, according to outdoor ring
Border temperature and room temperature adjust the heated current of compressor winding, and then by compressor heating in winding, make refrigerant by around
Heat absorption is transferred to indoor machine evaporation by group, to improve low-temperature heating ability.
The embodiment of fourth aspect present invention also proposed a kind of non-transitorycomputer readable storage medium, store thereon
There is computer program, which is executed by processor, to add for realizing compressor winding described in the above embodiment of the present invention
The control method of heat.
Non-transitorycomputer readable storage medium according to an embodiment of the present invention, by obtaining outdoor environment temperature and room
Interior temperature, the heated current of compressor winding is adjusted according to outdoor environment temperature and room temperature, and then passes through compressor winding
Fever, makes refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart of the control method of compressor winding heating according to an embodiment of the invention；
Fig. 2 is the control circuit topology schematic diagram of compressor according to an embodiment of the invention；
Fig. 3 is compressor coordinate transformation relation schematic diagram according to an embodiment of the invention；
Fig. 4 is the vector controlled block diagram of compressor according to an embodiment of the invention；
Fig. 5 is the control method schematic diagram of classical weak magnetic control module；
Fig. 6 is the control method schematic diagram of magnetic control module according to an embodiment of the invention；
Fig. 7 is compressor winding heating function control flow schematic diagram according to an embodiment of the invention；
Fig. 8 is compressor winding heating-current adjustment mode diagram according to an embodiment of the invention；And
Fig. 9 is the structural block diagram of the control device of compressor winding heating according to an embodiment of the 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, and for explaining only the invention, and is not considered as limiting the invention.
The control method and device of compressor winding heating according to an embodiment of the present invention are described below in conjunction with attached drawing.
Fig. 1 is the flow chart of the control method of compressor winding heating according to an embodiment of the present invention.As shown in Figure 1,
Method includes the following steps:
Step S1: outdoor environment temperature and room temperature are obtained.
Step S2: according to outdoor environment temperature and room temperature, the heated current of compressor winding is adjusted.
Wherein, as shown in connection with fig. 2, the control circuit topology of lower compressor (i.e. frequency-changeable compressor), the compression are introduced first
The control circuit topology of machine includes the three-phase bridge driving circuit and frequency-changeable compressor for controlling chip, power switch tube composition.Its
In, driving circuit can be by 6 IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar crystal
Pipe) composition or by 6 MOSFET (Metallic Oxide Semiconductor Field Effecttransistor,
Metal Oxide Semiconductor Field Effect Transistor) form or use intelligent power module (Intelligent Power
Module, IPM), while there is anti-paralleled diode.It controls chip and exports driven compressor signal, driven compressor signal is logical
Overdrive circuit controls the operation of frequency-changeable compressor, carries out compressor by current sensor (three or two or one)
Phase current sensing.Frequency-changeable compressor is, for example, the compressor of IPM synchronous motor driving.
Further, Fig. 3 is the coordinate relational graph of frequency-changeable compressor vector controlled, and Fig. 4 is frequency-changeable compressor without sensing
Device vector controlled block diagram.In conjunction with Fig. 3 and Fig. 4, in vector controlled, given rotating speedWith estimation revolving speedBy PI
(proportional integral) controller, output torque are givenAccording to torque referenceWith torque current COEFFICIENT KtWith
And weak magnetoelectricity stream ifwcFriendship is calculated by torque capacity current controller (Maximum Torque Per Ampere, MTPA)
Shaft current (q shaft current) is givenIt is given with direct-axis current (d shaft current)It is given according to d shaft current, q shaft current is given and anti-
Supply current id/iqBy vector controlled output voltage ud/uq, then control output voltage u is obtained by PARK inverse transformationα/uβ, then
PWM (Pulse Width Modulation, pulse are exported by space vector modulation (SpaceVetorModulation, SVM)
Width modulated) waveform, frequency-changeable compressor is driven by power module.Compressor three-phase current is detected by current sensor, and
It converts to obtain feedback current i by CLARKEα/iβ, change to obtain feedback current i using PARKd/iq.According to output voltage uα/
uβWith feedback current iα/iβAnd the parameter of electric machine (electric motor resistance R in compressors, d-axis inductance LdWith axis inductor Lq), pass through nothing
The available estimation revolving speed of sensor algorithm for estimatingWith estimation electrical angle
In one embodiment of the invention, the acquisition outdoor environment temperature and room temperature in step S1, specifically includes:
Obtain outdoor actual ambient temperature (i.e. T4), indoor set temperature (i.e. Ts *) and indoor actual temperature (i.e. T1).Based on this, step
In S2 according to outdoor environment temperature and room temperature, adjust the heated current of compressor winding, i.e. iheat, specifically include: root
According to indoor set temperature Ts *, indoor actual temperature T1With outdoor actual ambient temperature T4, closed loop adjusting heated current iheat。
Wherein, above-mentioned according to indoor set temperature Ts *, indoor actual temperature T1With outdoor actual ambient temperature T4, closed loop
Adjust heated current iheat, specifically include: calculating indoor set temperature Ts *With indoor actual temperature T1Difference, obtain difference temperature
Degree；Integral adjustment, proportional integration adjusting or variable-gain integral adjustment are carried out to differential temperature, obtain adjusting heated current；It exchanges
It saves heated current and carries out the first clipping control, obtain heated current iheat, the upper limit of the first clipping control is equal to zero, the first clipping
The lower limit of control is according to outdoor actual ambient temperature T4It determines, outdoor actual ambient temperature T4It is lower, then under the control of the first clipping
It limits lower.
In other words, as shown in connection with fig. 8, i.e., according to outdoor actual ambient temperature T4, indoor set temperature Ts *With interior reality
Temperature T1Difference carry out closed loop adjust heated current iheat, specific regulative mode is for example including pure integration control, proportional integration
Control and variable-gain integration control.In the example depicted in fig. 8, variable-gain integration control mode is chosen.According to outdoor actual rings
Border temperature T4Limit heated current iheatThe upper limit of (absolute value), outdoor actual ambient temperature T4It is lower, the heated current of permission
iheatThe upper limit of (absolute value) is also bigger.Wherein, variable-gain integration control is according to indoor set temperature Ts *With indoor practical temperature
Spend T1Difference, the more big then integral gain of temperature gap is bigger, and integral gain is zero when temperature gap is zero, is added with accelerating winding
Thermocurrent iheatResponse speed and avoid overshoot.
In one embodiment of the invention, the control method of compressor winding heating further include: by heated current
iheatElectric current i is controlled with weak magneticdpreIt is added, obtains the first weak magnetoelectricity stream；Second clipping control is carried out to the first weak magnetoelectricity stream, is obtained
To the second weak magnetoelectricity stream ifwc, for the upper limit of the second clipping control equal to zero, the lower limit of the second clipping control is equal to compressor d-axis electricity
The minimum value of stream.Wherein, as previously mentioned, the second weak magnetoelectricity stream ifwcIt is input to torque capacity current controller (MTPA), to calculate
Quadrature axis current (q shaft current) is givenIt is given with direct-axis current (d shaft current)
In one embodiment of the invention, the control method of compressor winding heating further include: calculate voltage clipping
Threshold value umaxWith output voltage amplitude usDifference DELTA u, obtain weak magnetic voltage difference；Weak magnetic voltage difference is adjusted, is obtained
Weak magnetic controls electric current idpre。
Specifically, as shown in connection with fig. 5, illustrating the schematic diagram of classical field weakening control method, wherein according to rotational coordinates
It is lower output voltage ud/uqOr output voltage u under rest frameα/uβCalculate output voltage amplitude us, specifically:
In turn, voltage limiting threshold u is arranged according to the maximum voltage amplitude that driver can exportmax, sweared when using space
Amount pulse width modulation algorithm and driver only work in linear modulator zone and when without ovennodulation, the maximum electricity that can export
Pressure
Amplitude is DC bus-bar voltage udc0.577 times, then, umax=0.577udc,
Wherein,
Further, by voltage limiting threshold umaxSubtract output voltage amplitude usObtain weak magnetic voltage difference Δ u, i.e. Δ u
=umax-us.Proportional, integral adjusting is carried out to weak magnetic voltage difference Δ u, obtained output quantity is using amplitude limit link (i.e. second
Clipping control) obtain weak magnetoelectricity stream ifwc, wherein the upper limit of the amplitude limit link is zero, lower limit is d shaft current minimum value id_min(i.e.
The minimum value of compressor direct-axis current).
Fig. 6 illustrates the schematic diagram of compressor winding method for heating and controlling, according to outdoor actual ambient temperature T4, interior sets
Determine temperatureWith indoor actual temperature T1It is controlled to obtain heated current iheat, by heated current iheatElectric current is controlled with weak magnetic
idpreIt is added, and obtains weak magnetoelectricity stream i by amplitude limit link (i.e. the second clipping control)fwc, wherein the upper limit of the amplitude limit link be
Zero, lower limit is d shaft current minimum value id_min。
Further, in one embodiment of the invention, as shown in connection with fig. 7, the controlling party of compressor winding heating
Method further include: if air-conditioning is in heating mode, and the temperature of weak magnetic control module is less than overheat frequency limit threshold value, and evaporator temperature
Less than temperature frequency limit threshold value, and compressor input current is less than overcurrent frequency limit threshold value, and delivery temperature is less than exhaust frequency limit threshold value,
And outdoor environment temperature is equal to or less than the first temperature threshold, and compressor operating frequency is equal to or more than corresponding operating condition
Maximum running frequency then opens compressor winding heating function, outdoor environment temperature and room temperature is obtained, according to outdoor environment
Temperature and room temperature adjust heated current.
Further, in one embodiment of the invention, as shown in connection with fig. 7, the controlling party of compressor winding heating
Method further include: if air-conditioning is in heating mode, and the temperature of weak magnetic control module is equal to or more than overheat frequency limit threshold value, or
Evaporator temperature is equal to or more than temperature frequency limit threshold value or compressor input current is equal to or more than overcurrent frequency limit threshold
Value or delivery temperature are equal to or more than exhaust frequency limit threshold value, then judge whether compressor winding heating function has turned on；If
It has turned on, is then gradually reduced heated current, and when heated current is equal to zero, exit compressor winding heating function；If not opening
It opens, then gradually decreases compressor operating frequency.
In one embodiment of the invention, as shown in connection with fig. 7, the control method of compressor winding heating further include:
If air-conditioning is in heating mode, and the temperature of weak magnetic control module is less than overheat frequency limit threshold value, and evaporator temperature is less than temperature
Frequency limit threshold value, and compressor input current is less than overcurrent frequency limit threshold value, and delivery temperature is less than exhaust frequency limit threshold value, and outdoor ring
Border temperature is greater than the first temperature threshold or outdoor environment temperature is equal to or less than the first temperature threshold and compressor operation frequency
Rate is less than the maximum running frequency of corresponding operating condition, then judges whether compressor winding heating function has turned on；If having turned on, by
Decrescence small heated current, and when heated current is equal to zero, exit compressor winding heating function.
In other words, under heating module, when weak magnetic control module temperature reach overheat frequency limit threshold value when or evaporator
When temperature reaches excess temperature frequency limit threshold value or when compressor input current reaches overcurrent frequency limit threshold value or delivery temperature reaches
When to exhaust high temperature frequency limit threshold value, if be now in winding heating function, it is gradually reduced compressor heated current, when adding
Thermocurrent is decreased to exit winding heating function when zero；If be not in winding heating function, compressor fortune is gradually decreased
Line frequency.Further, when outdoor environment temperature environment is no more than the first temperature threshold and compressor operating frequencyReach
When the highest compressor operating frequency of corresponding operating condition service condition, into compressor winding heating function, according to outdoor environment temperature
Degree and indoor actual temperature and indoor set temperature closed loop adjust heated current.When outdoor environment temperature is more than the first temperature threshold
Value or compressor operating frequencyWhen lower than the maximum running frequency for corresponding to operating condition service condition, heated current is gradually reduced
To zero, compressor winding heating function is exited, mode is preferably linearly reduced.
Wherein, the preferred settings range of the overheat frequency limit threshold value of weak magnetic control module is 75~95 DEG C, evaporator temperature limit
The preferred settings range of frequency threshold value is 50~70 DEG C, and the preferred settings range of delivery temperature frequency limit threshold value is 95~115 DEG C.First
Temperature threshold is preferably provided with range -10~10 DEG C, such as 8 DEG C.The highest compressor operating frequency of corresponding operating condition service condition,
Refer to the highest compressor operating frequency allowed under corresponding room temperature, outdoor environment temperature and set temperature service condition.
To sum up, the control method of compressor winding heating according to an embodiment of the present invention, by obtaining outdoor environment temperature
And room temperature, and the heated current of compressor winding is adjusted according to outdoor environment temperature and room temperature, and then pass through compression
Machine heating in winding makes refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.
This method can be applied not only to Conventional press, it can also be used to the frequency-changeable compressor of low-temperature heating special designing (such as jet
Enthalpy-increasing compressor) heating capacity is further promoted, applicability is higher.
Further embodiment of the present invention also proposed a kind of control device of compressor winding heating.
Fig. 9 is the structural block diagram of the control device of compressor winding heating according to an embodiment of the invention.Such as Fig. 9 institute
Show, the control device 100 of compressor winding heating includes: to obtain module 110 and adjustment module 120.
Wherein, module 110 is obtained for obtaining outdoor environment temperature and room temperature.
Adjustment module 120 is used to adjust the heated current of compressor winding according to outdoor environment temperature and room temperature.
Specifically, in one embodiment of the invention, it obtains module 110 and obtains outdoor environment temperature and room temperature,
It specifically includes: obtaining outdoor actual ambient temperature, indoor set temperature and indoor actual temperature.Based on this, adjustment module 120
According to outdoor environment temperature and room temperature, adjust the heated current of compressor winding, specifically include: according to indoor set temperature,
Indoor actual temperature and outdoor actual ambient temperature, closed loop adjust heated current.
Wherein, adjustment module 120 is according to indoor set temperature, indoor actual temperature and outdoor actual ambient temperature, closed loop
Heated current is adjusted, is specifically included: calculating the difference of indoor set temperature and indoor actual temperature, obtains differential temperature, and right
Differential temperature carries out integral adjustment, proportional integration adjusting or variable-gain integral adjustment, obtains adjusting heated current, and add to adjusting
Thermocurrent carries out the first clipping control, obtains heated current, and the upper limit of the first clipping control is equal to zero, under the control of the first clipping
Limit determines that outdoor actual ambient temperature is lower according to outdoor actual ambient temperature, then the lower limit of the first clipping control is lower.
In one embodiment of the invention, adjustment module 120 is also used to for heated current being added with weak magnetic control electric current,
The first weak magnetoelectricity stream is obtained, and the second clipping control is carried out to the first weak magnetoelectricity stream, obtains the second weak magnetoelectricity stream, the second clipping control
The upper limit of system is equal to zero, and the lower limit of the second clipping control is equal to the minimum value of compressor direct-axis current.
In one embodiment of the invention, adjustment module 120 is for calculating voltage limiting threshold and output voltage amplitude
Difference, obtain weak magnetic voltage difference, and weak magnetic voltage difference is adjusted, obtain weak magnetic control electric current.
Further, in one embodiment of the invention, adjustment module 120 is used to be in heating mode when air-conditioning, and
The temperature of weak magnetic control module is less than overheat frequency limit threshold value, and evaporator temperature is less than temperature frequency limit threshold value, and compressor inputs
Electric current is less than overcurrent frequency limit threshold value, and delivery temperature is less than exhaust frequency limit threshold value, and outdoor environment temperature is equal to or less than the
One temperature threshold, and when compressor operating frequency is equal to or more than the maximum running frequency of corresponding operating condition, open compressor around
Group heating function, obtains outdoor environment temperature and room temperature, according to outdoor environment temperature and room temperature, adjusts heating electricity
Stream.
In one embodiment of the invention, adjustment module 120 is also used to be in heating mode when air-conditioning, and weak magnetic controls
The temperature of module is equal to or more than overheat frequency limit threshold value or evaporator temperature is equal to or more than temperature frequency limit threshold value, or
Person's compressor input current is equal to or more than overcurrent frequency limit threshold value or delivery temperature is equal to or more than exhaust frequency limit threshold value
When, judge whether compressor winding heating function has turned on；When compressor winding heating function has turned on, it is gradually reduced heating
Electric current, and when heated current is equal to zero, exit compressor winding heating function；When compressor winding heating function is not opened
When, gradually decrease compressor operating frequency
In one embodiment of the invention, adjustment module 120 is also used to be in heating mode when air-conditioning, and weak magnetic controls
The temperature of module is less than overheat frequency limit threshold value, and evaporator temperature is less than temperature frequency limit threshold value, and compressor input current is less than
Overcurrent frequency limit threshold value, and delivery temperature is less than exhaust frequency limit threshold value, and outdoor environment temperature is greater than the first temperature threshold or room
External environment temperature is equal to or less than the first temperature threshold and compressor operating frequency is less than the maximum running frequency for corresponding to operating condition
When, judge whether compressor winding heating function has turned on；When compressor winding heating function has turned on, it is gradually reduced heating
Electric current, and when heated current is equal to zero, exit compressor winding heating function.
It should be noted that the specific implementation for the control device that the compressor winding of the embodiment of the present invention heats and sheet
The specific implementation of the control method of the compressor winding heating of inventive embodiments is similar, specifically refers to retouching for method part
It states, in order to reduce redundancy, does not repeat them here.
To sum up, the control device of compressor winding heating according to an embodiment of the present invention, by obtaining outdoor environment temperature
And room temperature, and the heated current of compressor winding is adjusted according to outdoor environment temperature and room temperature, and then pass through compression
Machine heating in winding makes refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.
The control device can be applied not only to Conventional press, it can also be used to the frequency-changeable compressor of low-temperature heating special designing (such as
Air injection enthalpy-increasing compressor) heating capacity is further promoted, applicability is higher.
Further embodiment of the present invention also proposed a kind of electronic equipment, comprising: memory, processor and being stored in is deposited
On reservoir and the computer program that can run on a processor, processor execute program, to realize as the present invention is above-mentioned any one
The control method of the heating of compressor winding described in a embodiment.
Electronic equipment according to an embodiment of the present invention, by obtaining outdoor environment temperature and room temperature, and according to outdoor
Environment temperature and room temperature adjust the heated current of compressor winding, and then by compressor heating in winding, pass through refrigerant
Heat absorption is transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.The electronic equipment can not only answer
For Conventional press, it can also be used to which the frequency-changeable compressor (such as air injection enthalpy-increasing compressor) of low-temperature heating special designing is further
Heating capacity is promoted, applicability is higher.
Further embodiment of the present invention also proposed a kind of non-transitorycomputer readable storage medium, be stored thereon with
Computer program, the program are executed by processor, to press for realizing as described in any one above-mentioned embodiment of the present invention
The control method of contracting machine winding heating.
Non-transitorycomputer readable storage medium according to an embodiment of the present invention, by obtaining outdoor environment temperature and room
Interior temperature, and adjust according to outdoor environment temperature and room temperature the heated current of compressor winding, so by compressor around
Group fever, makes refrigerant that heat absorption are transferred to indoor machine evaporation by winding, to improve low-temperature heating ability.
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 at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., 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, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
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 (18)
1. a kind of control method of compressor winding heating, which comprises the following steps:
Obtain outdoor environment temperature and room temperature；
According to the outdoor environment temperature and room temperature, the heated current of compressor winding is adjusted.
2. control method according to claim 1, which is characterized in that the acquisition outdoor environment temperature and room temperature,
It include: to obtain outdoor actual ambient temperature, indoor set temperature and indoor actual temperature；
It is described according to the outdoor environment temperature and the room temperature, adjust the heated current of compressor winding, comprising:
According to the indoor set temperature, the indoor actual temperature and the outdoor actual ambient temperature, described in closed loop is adjusted
Heated current.
3. control method according to claim 2, which is characterized in that described according to the indoor set temperature, the room
Interior actual temperature and the outdoor actual ambient temperature, closed loop adjust the heated current, comprising:
The difference for calculating the indoor set temperature and the indoor actual temperature, obtains differential temperature；
Integral adjustment, proportional integration adjusting or variable-gain integral adjustment are carried out to the differential temperature, obtain adjusting heated current；
First clipping control is carried out to the adjusting heated current, obtains the heated current, first clipping controls upper
Limit is equal to zero, and the lower limit of the first clipping control is determined according to the outdoor actual ambient temperature, the outdoor actual ambient temperature
Lower, then the lower limit of the first clipping control is lower.
4. control method according to claim 1, which is characterized in that further include:
The heated current is added with weak magnetic control electric current, obtains the first weak magnetoelectricity stream；
Second clipping control is carried out to first weak magnetoelectricity stream, obtains the second weak magnetoelectricity stream, second clipping controls upper
Limit is equal to zero, and the lower limit of the second clipping control is equal to the minimum value of compressor direct-axis current.
5. control method according to claim 4, which is characterized in that further include:
The difference for calculating voltage limiting threshold and output voltage amplitude, obtains weak magnetic voltage difference；
The weak magnetic voltage difference is adjusted, the weak magnetic control electric current is obtained.
6. control method according to claim 1, which is characterized in that further include:
If air-conditioning is in heating mode, and the temperature of weak magnetic control module is less than overheat frequency limit threshold value, and evaporator temperature is less than
Temperature frequency limit threshold value, and compressor input current is less than overcurrent frequency limit threshold value, and delivery temperature is less than exhaust frequency limit threshold value, and room
External environment temperature is equal to or less than the first temperature threshold, and compressor operating frequency is equal to or more than the highest of corresponding operating condition
Running frequency then opens compressor winding heating function, obtains the outdoor environment temperature and room temperature, according to the outdoor
Environment temperature and room temperature adjust the heated current.
7. control method according to claim 6, which is characterized in that further include:
If air-conditioning is in the heating mode, and
The temperature of the weak magnetic control module is equal to or more than the overheat frequency limit threshold value or the evaporator temperature is equal to
Perhaps it is greater than the temperature frequency limit threshold value or the compressor input current is equal to or more than the overcurrent frequency limit threshold value,
Or the delivery temperature is equal to or more than the exhaust frequency limit threshold value, then whether judges the compressor winding heating function
It has turned on；
If having turned on, be gradually reduced the heated current, and when the heated current is equal to zero, exit the compressor around
Group heating function；
If not opening, the compressor operating frequency is gradually decreased.
8. control method according to claim 7, which is characterized in that further include:
If air-conditioning is in the heating mode, and the temperature of the weak magnetic control module is less than the overheat frequency limit threshold value, and institute
Evaporator temperature is stated less than the temperature frequency limit threshold value, and the compressor input current is less than the overcurrent frequency limit threshold value, and
The delivery temperature is less than the exhaust frequency limit threshold value, and
The outdoor environment temperature is greater than first temperature threshold or the outdoor environment temperature equal to or less than described
First temperature threshold and the compressor operating frequency are less than the maximum running frequency of corresponding operating condition, then judge the compressor around
Whether group heating function has turned on；
If having turned on, be gradually reduced the heated current, and when the heated current is equal to zero, exit the compressor around
Group heating function.
9. a kind of control device of compressor winding heating characterized by comprising
Module is obtained, for obtaining outdoor environment temperature and room temperature；
Adjustment module, for adjusting the heated current of compressor winding according to the outdoor environment temperature and room temperature.
10. control device according to claim 9, which is characterized in that
The acquisition module is for obtaining outdoor actual ambient temperature, indoor set temperature and indoor actual temperature；
The adjustment module is used for according to the indoor set temperature, the indoor actual temperature and the outdoor actual environment temperature
Degree, closed loop adjust the heated current.
11. control device according to claim 10, which is characterized in that the adjustment module is set for calculating the interior
The difference for determining temperature and the indoor actual temperature obtains differential temperature, and carries out integral adjustment, ratio to the differential temperature
Integral adjustment or variable-gain integral adjustment obtain adjusting heated current, and carry out the first clipping control to the adjusting heated current
System obtains the heated current, and the upper limit of the first clipping control is equal to zero, and the lower limit of the first clipping control is according to the room
Outer actual ambient temperature determines that the outdoor actual ambient temperature is lower, then the lower limit of the first clipping control is lower.
12. control device according to claim 9, which is characterized in that the adjustment module is also used to the heating electricity
Stream is added with weak magnetic control electric current, is obtained the first weak magnetoelectricity stream, and carry out the second clipping control to first weak magnetoelectricity stream, is obtained
To the second weak magnetoelectricity stream, the upper limit of the second clipping control is equal to zero, and the lower limit of the second clipping control is equal to compressor
The minimum value of direct-axis current.
13. control device according to claim 12, which is characterized in that the adjustment module is for calculating voltage clipping threshold
The difference of value and output voltage amplitude, obtains weak magnetic voltage difference, and the weak magnetic voltage difference is adjusted, and obtains described
Weak magnetic controls electric current.
14. control device according to claim 9, which is characterized in that the adjustment module is also used to add when air-conditioning is in
Heat pattern, and the temperature of weak magnetic control module is less than overheat frequency limit threshold value, and evaporator temperature is less than temperature frequency limit threshold value, and presses
Contracting machine input current be less than overcurrent frequency limit threshold value, and delivery temperature be less than exhaust frequency limit threshold value, and outdoor environment temperature be equal to or
Person opens less than the first temperature threshold, and when compressor operating frequency is equal to or more than the maximum running frequency of corresponding operating condition
Compressor winding heating function, obtains the outdoor environment temperature and room temperature, according to the outdoor environment temperature and interior
Temperature adjusts the heated current.
15. control device according to claim 14, which is characterized in that the adjustment module is also used to be in institute when air-conditioning
Heating mode is stated, and
The temperature of the weak magnetic control module is equal to or more than the overheat frequency limit threshold value or the evaporator temperature is equal to
Perhaps it is greater than the temperature frequency limit threshold value or the compressor input current is equal to or more than the overcurrent frequency limit threshold value,
Or delivery temperature be equal to or more than the exhaust frequency limit threshold value when, judge whether the compressor winding heating function has been opened
It opens；
When the compressor winding heating function has turned on, it is gradually reduced the heated current, and in described heated current etc.
When zero, the compressor winding heating function is exited；
When the compressor winding heating function is not opened, the compressor operating frequency is gradually decreased.
16. control device according to claim 15, which is characterized in that the adjustment module is also used to be in institute when air-conditioning
Heating mode is stated, and the temperature of the weak magnetic control module is less than the overheat frequency limit threshold value, and the evaporator temperature is less than
The temperature frequency limit threshold value, and the compressor input current is less than the overcurrent frequency limit threshold value, and the delivery temperature is less than
The exhaust frequency limit threshold value, and
The outdoor environment temperature is greater than first temperature threshold or the outdoor environment temperature equal to or less than described
When first temperature threshold and the compressor operating frequency are less than the maximum running frequency of corresponding operating condition, judge the compressor around
Whether group heating function has turned on；
When the compressor winding heating function has turned on, it is gradually reduced the heated current, and in described heated current etc.
When zero, the compressor winding heating function is exited.
17. a kind of electronic equipment characterized by comprising memory, processor and be stored on the memory and can be in institute
The computer program run on processor is stated, the processor executes described program, to realize such as any one of claim 1-8 institute
The control method for the compressor winding heating stated.
18. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program
It is executed by processor, with the control method for realizing the described in any item compressor winding heating of such as claim 1-8.
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| CN110336509A (en) * | 2019-07-08 | 2019-10-15 | 浙江台运汽车科技有限公司 | One kind is based on SVPWM control stator winding heating means and device |
| CN112197408A (en) * | 2020-10-13 | 2021-01-08 | 广东美的制冷设备有限公司 | Heating control method of compressor winding, air conditioner control method, system and equipment |
| CN113834205A (en) * | 2020-06-24 | 2021-12-24 | 广东美的制冷设备有限公司 | Control method for heating of compressor winding, air conditioner and storage medium |
| CN113834206A (en) * | 2020-06-24 | 2021-12-24 | 广东美的制冷设备有限公司 | Control method for heating of compressor winding, air conditioner and storage medium |
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