CN108011557B - The motor inductances parameter optimization control method of frequency converting air-conditioner compressor, device - Google Patents
The motor inductances parameter optimization control method of frequency converting air-conditioner compressor, device Download PDFInfo
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- CN108011557B CN108011557B CN201711218061.5A CN201711218061A CN108011557B CN 108011557 B CN108011557 B CN 108011557B CN 201711218061 A CN201711218061 A CN 201711218061A CN 108011557 B CN108011557 B CN 108011557B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/14—Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
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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
- F04B49/06—Control using electricity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/0077—Characterised by the use of a particular software algorithm
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Control Of Ac Motors In General (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of motor inductances parameter optimization control methods of frequency converting air-conditioner compressor, device, the described method comprises the following steps: S1, obtain the running frequency of compressor in real time；S2, judge frequency separation locating for the current operation frequency of compressor, wherein the running frequency of compressor is divided into N number of frequency separation, the corresponding one group of motor inductances parameter of each frequency separation, every group of motor inductances parameter includes motor d-axis inductance and motor axis inductor；S3 obtains motor d-axis inductance and motor axis inductor according to frequency separation locating for the current operation frequency of compressor, to optimize during the operation of the compressor to motor inductances parameter.This method can optimize the motor inductances parameter of frequency converting air-conditioner compressor according to the running frequency of frequency converting air-conditioner compressor, so as to effectively improve the drive efficiency of motor, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to the motor inductances parameter optimization of a kind of frequency converting air-conditioner compressor
Control method, a kind of non-transitorycomputer readable storage medium, a kind of motor inductances parameter optimization of frequency converting air-conditioner compressor
Control device and a kind of transducer air conditioning.
Background technique
With the continuous development of convertible frequency air-conditioner technology, requirement of the people to convertible frequency air-conditioner energy saving is higher and higher.Frequency conversion is empty
Adjust the motor inductances parameter of compressor, the especially important input of motor d-axis inductance and motor axis inductor as location estimation
Parameter is affected to motor drive efficiency.
In the related technology, the method that off-line measurement is usually used obtains motor inductances parameter, and fixed electricity is then arranged
Sense parameter is used to control the operation of motor.And in motor actual moving process, shadow of the motor inductances parameter by many factors
It rings, such as motor operation frequency, tends not to obtain optimal motor drive efficiency using this method, lead to the section of convertible frequency air-conditioner
Energy property cannot be optimal.
Summary of the invention
The present invention is directed at least solve one of the technical problem in above-mentioned technology to a certain extent.For this purpose, of the invention
First purpose be to propose a kind of motor inductances parameter optimization control method of frequency converting air-conditioner compressor, and this method can basis
The running frequency of frequency converting air-conditioner compressor optimizes the motor inductances parameter of frequency converting air-conditioner compressor, so as to effectively mention
The drive efficiency of high motor, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
Second object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
Third object of the present invention is to propose a kind of motor inductances parameter optimization control dress of frequency converting air-conditioner compressor
It sets.
Fourth object of the present invention is to propose a kind of transducer air conditioning.
In order to achieve the above objectives, a kind of motor inductances for frequency converting air-conditioner compressor that first aspect present invention embodiment proposes
Parameter optimization control method, comprising the following steps: S1 obtains the running frequency of compressor in real time；S2 judges the compressor
Frequency separation locating for current operation frequency, wherein the running frequency of the compressor is divided into N number of frequency separation, each
The corresponding one group of motor inductances parameter of the frequency separation, motor inductances parameter described in every group include that motor d-axis inductance and motor are handed over
Axle inductance；S3 obtains the motor d-axis inductance and electricity according to frequency separation locating for the current operation frequency of the compressor
Machine axis inductor, to be optimized in the compressor operational process to the motor inductances parameter.
The motor inductances parameter optimization control method of frequency converting air-conditioner compressor according to an embodiment of the present invention obtains pressure in real time
The running frequency of contracting machine, and judge frequency separation locating for the current operation frequency of compressor, further according to the current fortune of compressor
Frequency separation locating for line frequency obtains motor d-axis inductance and motor axis inductor, during the operation of the compressor to motor
Inductance parameters optimize.This method can be according to the running frequency of frequency converting air-conditioner compressor to frequency converting air-conditioner compressor as a result,
Motor inductances parameter optimize, so as to effectively improve the drive efficiency of motor, so can effectively improve frequency conversion sky
The energy-saving efficiency of tune.
In addition, the motor inductances parameter optimization controlling party of the frequency converting air-conditioner compressor proposed according to that above embodiment of the present invention
Method can also have the following additional technical features:
According to one embodiment of present invention, the motor d-axis inductance is obtained according to following steps: in preset interior
At a temperature of external environment, the running frequency of the compressor is controlled in the first predeterminated frequency section, and electromechanical according to the compression
The d-axis inductance nominal value and axis inductor nominal value of machine determine initial d-axis inductance and initial axis inductor, according to described first
Beginning d-axis inductance and the initial axis inductor control the motor in the compressor, and the measurement compressor
Phase current peak value；After measuring the phase current peak value of the compressor every time, keep the motor axis inductor constant, and control
The motor d-axis inductance is gradually added up based on the initial d-axis inductance, and according to the initial axis inductor
The motor is controlled with the motor d-axis inductance after cumulative；When the number for the phase current peak value for measuring the compressor reaches
When to M times, the minimum value in M phase current peak value is obtained, and according to the corresponding electricity of minimum value acquisition in M phase current peak value
Machine d-axis inductance, using as the corresponding motor d-axis inductance in first predeterminated frequency section, wherein M is the integer greater than 1.
According to one embodiment of present invention, after measuring the phase current peak value of the compressor every time, according to following public affairs
Formula adds up to the motor d-axis inductance: Ld (M+1)=Ld (M)+Ld (1) * 0.01, wherein Ld (M+1) is current motor
D-axis inductance, Ld (M) are the motor d-axis inductance before the phase current peak value for measuring the compressor every time, and Ld (1) is described first
Beginning d-axis inductance.
According to one embodiment of present invention, the motor axis inductor is obtained according to following steps: in preset interior
At a temperature of external environment, the running frequency of the compressor is controlled in the first predeterminated frequency section, and according to the first predeterminated frequency
The corresponding motor d-axis inductance in section and axis inductor nominal value determine initial d-axis inductance and initial axis inductor, according to institute
It states initial d-axis inductance and the initial axis inductor controls the motor in the compressor, and the measurement compression
The phase current peak value of machine；After measuring the phase current peak value of the compressor every time, keep the motor d-axis inductance constant, and
It controls the motor axis inductor gradually to be added up based on the initial axis inductor, and according to the initial d-axis
Inductance controls the motor with the motor axis inductor after adding up；When time for the phase current peak value for measuring the compressor
When number reaches M times, the minimum value in M phase current peak value is obtained, and obtain and correspond to according to the minimum value in M phase current peak value
Motor axis inductor, using as the corresponding motor axis inductor in first predeterminated frequency section, wherein M is whole greater than 1
Number.
According to one embodiment of present invention, after measuring the phase current peak value of the compressor every time, according to following public affairs
Formula adds up to the motor axis inductor: Lq (M+1)=Lq (M)+Lq (1) * 0.01, wherein Lq (M+1) is current motor
Axis inductor, Lq (M) are the motor axis inductor before the phase current peak value for measuring the compressor every time, and Lq (1) is described first
Beginning axis inductor.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of non-transitory computer-readable storage medium
Matter is stored thereon with computer program, realizes that above-mentioned motor inductances parameter optimization such as controls when which is executed by processor
Method.
Non-transitorycomputer readable storage medium according to an embodiment of the present invention obtains the operation frequency of compressor in real time
Rate, and judge frequency separation locating for the current operation frequency of compressor, locating for the current operation frequency further according to compressor
Frequency separation obtains motor d-axis inductance and motor axis inductor, to carry out during the operation of the compressor to motor inductances parameter
Optimization, so as to effectively improve the drive efficiency of motor, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of motor inductances of frequency converting air-conditioner compressor
Parameter optimization control device, comprising: frequency acquisition module, for obtaining the running frequency of compressor in real time；Judgment module is used for
Judge frequency separation locating for the current operation frequency of the compressor, wherein the running frequency of the compressor is divided into N
A frequency separation, each corresponding one group of motor inductances parameter of the frequency separation, motor inductances parameter described in every group includes motor
D-axis inductance and motor axis inductor；Parameter optimization control module, for according to locating for the current operation frequency of the compressor
Frequency separation obtain the motor d-axis inductance and motor axis inductor, in the compressor operational process to the electricity
Machine inductance parameters optimize.
The motor inductances parameter optimization control device of frequency converting air-conditioner compressor according to an embodiment of the present invention, is obtained by frequency
Modulus block obtains the running frequency of compressor in real time, and judgment module judges frequency zones locating for the current operation frequency of compressor
Between, parameter optimization control module frequency separation according to locating for the current operation frequency of compressor obtains motor d-axis inductance and electricity
Machine axis inductor, to be optimized during the operation of the compressor to motor inductances parameter.The device can be according to frequency conversion as a result,
The running frequency of compressor of air conditioner optimizes the motor inductances parameter of frequency converting air-conditioner compressor, so as to effectively improve electricity
The drive efficiency of machine, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
In addition, the motor inductances parameter optimization of the frequency converting air-conditioner compressor proposed according to that above embodiment of the present invention controls dress
Setting can also have the following additional technical features:
According to one embodiment of present invention, the parameter optimization control module is straight according to the following steps acquisition motor
Axle inductance: at a temperature of preset indoor and outdoor surroundings, controlling the running frequency of the compressor in the first predeterminated frequency section,
And the motor in the compressor is controlled according to preset initial d-axis inductance and initial axis inductor, and measurement institute
State the phase current peak value of compressor；After measuring the phase current peak value of the compressor every time, the motor axis inductor is kept
It is constant, and control the motor d-axis inductance and gradually added up based on the initial d-axis inductance, and according to described
Initial axis inductor and the motor d-axis inductance after adding up control the motor；When the phase current for measuring the compressor
When the number of peak value reaches M times, the minimum value in M phase current peak value is obtained, and according to the minimum value in M phase current peak value
Corresponding motor d-axis inductance is obtained, using as the corresponding motor d-axis inductance in first predeterminated frequency section, wherein M is
Integer greater than 1.
According to one embodiment of present invention, after measuring the phase current peak value of the compressor every time, the parameter is excellent
Change control module according to the following formula to add up to the motor d-axis inductance: Ld (M+1)=Ld (M)+Ld (1) * 0.01,
In, Ld (M+1) is current motor d-axis inductance, and Ld (M) is that the motor before the phase current peak value for measuring the compressor every time is straight
Axle inductance, Ld (1) are the initial d-axis inductance.
According to one embodiment of present invention, the parameter optimization control module obtains the motor according to following steps and hands over
Axle inductance: at a temperature of preset indoor and outdoor surroundings, controlling the running frequency of the compressor in the first predeterminated frequency section,
And the motor in the compressor is controlled according to preset initial d-axis inductance and initial axis inductor, and measurement institute
State the phase current peak value of compressor；After measuring the phase current peak value of the compressor every time, the motor d-axis inductance is kept
It is constant, and control the motor axis inductor and gradually added up based on the initial axis inductor, and according to described
Initial d-axis inductance and the motor axis inductor after adding up control the motor；When the phase current for measuring the compressor
When the number of peak value reaches M times, the minimum value in M phase current peak value is obtained, and according to the minimum value in M phase current peak value
Corresponding motor axis inductor is obtained, using as the corresponding motor axis inductor in first predeterminated frequency section, wherein M is
Integer greater than 1.
According to one embodiment of present invention, after measuring the phase current peak value of the compressor every time, the parameter is excellent
Change control module according to the following formula to add up to the motor axis inductor: Lq (M+1)=Lq (M)+Lq (1) * 0.01,
In, Lq (M+1) is current motor axis inductor, and Lq (M) is that the motor before the phase current peak value for measuring the compressor every time is handed over
Axle inductance, Lq (1) are the initial axis inductor.
In order to achieve the above objectives, fourth aspect present invention embodiment proposes a kind of transducer air conditioning, including the upper present invention
The motor inductances parameter optimization control device of frequency converting air-conditioner compressor described in third aspect embodiment.
The transducer air conditioning of the embodiment of the present invention passes through the motor inductances parameter optimization control of above-mentioned frequency converting air-conditioner compressor
Device processed can optimize the motor inductances parameter of compressor according to the running frequency of compressor, so as to effectively mention
The drive efficiency of high motor, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
Detailed description of the invention
Fig. 1 is the motor inductances parameter optimization control method of frequency converting air-conditioner compressor according to an embodiment of the invention
Flow chart；
Fig. 2 is the motor inductances parameter optimization control method of frequency converting air-conditioner compressor in accordance with another embodiment of the present invention
Flow chart；
Fig. 3 is the motor inductances parameter optimization control method of the frequency converting air-conditioner compressor of another embodiment according to the present invention
Flow chart；And
Fig. 4 is the motor inductances parameter optimization control device of frequency converting air-conditioner compressor according to an embodiment of the invention
Block diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
It is controlled with reference to the accompanying drawing to describe the motor inductances parameter optimization of the frequency converting air-conditioner compressor of the embodiment of the present invention
Method, non-transitorycomputer readable storage medium, the motor inductances parameter optimization control device of frequency converting air-conditioner compressor and change
Frequency air conditioner.
Fig. 1 is the motor inductances parameter optimization control method of frequency converting air-conditioner compressor according to an embodiment of the invention
Flow chart.As shown in Figure 1, method includes the following steps:
S1 obtains the running frequency of compressor in real time.
S2 judges frequency separation locating for the current operation frequency of compressor.Wherein, the running frequency of compressor is divided
For N number of frequency separation, the corresponding one group of motor inductances parameter of each frequency separation, every group of motor inductances parameter includes motor d-axis electricity
Feel Ld and motor axis inductor Lq.
S3 obtains motor d-axis inductance Ld and motor quadrature axis according to frequency separation locating for the current operation frequency of compressor
Inductance Lq, to be optimized during the operation of the compressor to motor inductances parameter.
Specifically, the running frequency of frequency converting air-conditioner compressor, can be by the operation frequency of compressor generally between 0-100Hz
Rate is divided into N number of frequency separation, and N can be the random natural number greater than 1.For example, the running frequency of compressor can be divided
For 5 frequency separations, respectively (0,30], (30,60], (60,80], (80,90], (90,100], each frequency separation is corresponding
One group of motor inductances parameter, i.e. motor d-axis inductance Ld and motor axis inductor Lq, the motor inductances parameter are compressor operation
The corresponding optimal motor inductances parameter in the frequency separation.The corresponding motor d-axis inductance Ld of each frequency separation and motor are handed over
Axle inductance Lq can be measured according to related experiment, and preset in advance is in transducer air conditioning.
In compressor operation, the running frequency of compressor is obtained in real time, and is sentenced according to the current operation frequency of compressor
Break locating frequency separation, then, it is straight to obtain corresponding motor according to frequency separation locating for the current operation frequency of compressor
Axle inductance Ld and motor axis inductor Lq, and compressor is controlled according to motor d-axis inductance Ld and motor axis inductor Lq
System, to be optimized during the operation of the compressor to motor inductances parameter.This method can effectively improve the drive of motor as a result,
Efficiency of movement, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
The corresponding motor d-axis inductance Ld of each frequency separation and motor quadrature axis electricity are described below with reference to specifically embodiment
Feel the acquisition methods of Lq.
According to one embodiment of present invention, as shown in Fig. 2, obtaining motor d-axis inductance Ld according to following steps:
S301 controls the running frequency of compressor in the first predeterminated frequency section at a temperature of preset indoor and outdoor surroundings
It is interior, and according to the d-axis inductance nominal value of compressor electric motor and axis inductor nominal value determine initial d-axis inductance Ld (1) and just
Beginning axis inductor Lq (1), with according to initial d-axis inductance Ld (1) and initial axis inductor Lq (1) to the motor in compressor into
Row control, and the phase current peak I peak of measurement compressor.
Specifically, initial d-axis inductance Ld (1) can determine according to the d-axis inductance nominal value of compressor electric motor, usually
Slightly below d-axis inductance nominal value, initial axis inductor Lq (1) can be axis inductor nominal value.For example, with model
The compressor of ASK103 is objective for implementation, and the d-axis inductance nominal value that ASK103 compressor specifications are indicated is 7.6mH, quadrature axis electricity
Sense nominal value is 10.9mH, then the corresponding initial d-axis inductance Ld (1) of the compressor can be 6.4mH, initial axis inductor
Lq (1) can be with 10.9mH.
S302 keeps motor axis inductor constant, and control after the phase current peak I peak of measurement compressor every time
Motor d-axis inductance is gradually added up based on initial d-axis inductance Ld (1), and according to initial axis inductor Lq (1) and
Motor d-axis inductance after cumulative controls motor.
Further, in an embodiment of the present invention, after the phase current peak I peak of measurement compressor every time, according to
Following formula (1) adds up to motor d-axis inductance:
Ld (M+1)=Ld (M)+Ld (1) * 0.01 (1)
Wherein, Ld (M+1) is current motor d-axis inductance, before Ld (M) is the phase current peak value of measurement compressor every time
Motor d-axis inductance, Ld (1) are initial d-axis inductance.
S303 is obtained in M phase current peak value when the number of the phase current peak I peak of measurement compressor reaches M times
Minimum value, and corresponding motor d-axis inductance Ld is obtained according to the minimum value in M phase current peak value, using default as first
The corresponding motor d-axis inductance Ld of frequency separation.Wherein, M is integer greater than 1, such as 30.
Specifically, preset indoor and outdoor surroundings temperature can be with are as follows: 27 DEG C of indoor environment temperature, 35 DEG C of outdoor environment temperature.
At a temperature of preset indoor and outdoor surroundings, the running frequency of compressor is controlled in the first predeterminated frequency section, such as control pressure
The running frequency of contracting machine (0,30] in the section Hz, then set the motor d-axis inductance of compressor as initial d-axis inductance Ld
(1), motor axis inductor is initial axis inductor Lq (1), then measures the phase current peak I peak of compressor.Then, electricity is kept
Machine axis inductor is constant, and according to formula Ld (M+1)=Ld (M)+Ld (1) * 0.01, is gradually tired out to motor d-axis inductance
Add, set after cumulative every time motor d-axis inductance as Ld (M+1), motor axis inductor be (1) Lq, then measure compressor phase it is electric
Stream peak value Ipeak.Repeatedly, when pendulous frequency reaches 30 times, the minimum value in 30 phase current peak I peak is obtained,
And it is the corresponding motor d-axis inductance of minimum value in 30 phase current peak I peak is corresponding as the first predeterminated frequency section
Motor d-axis inductance Ld.
For example, using the compressor of model ASK103 as objective for implementation, ASK103 compressor specifications are indicated straight
Axle inductance nominal value is 7.6mH, and axis inductor nominal value is 10.9mH.
At a temperature of preset indoor and outdoor surroundings, the running frequency of compressor is set as 30Hz, and sets motor d-axis electricity
Sense is 6.4mH, motor axis inductor is 10.9mH, then measures the phase current peak I peak of compressor.Keep motor quadrature axis electricity
Feel constant, motor d-axis inductance is increased into (6.4*0.01) mH, measures the phase current peak I peak of compressor, repeatedly, directly
Reach 30 times to pendulous frequency, obtain the minimum value in 30 phase current peak I peak, and by 30 phase current peak I peak
In the corresponding motor d-axis inductance of minimum value as (0,30] the corresponding motor d-axis inductance Ld of frequency separation, to reduce motor
Phase current improves the energy saving of convertible frequency air-conditioner.By experiment, measurement result can refer to the following table 1.
Table 1
According to measurement result it is found that the corresponding motor d-axis inductance of minimum value in 30 phase current peak I peak is
7.1mH, and so ASK103 compressor (0,30] the corresponding motor d-axis inductance Ld of frequency separation of Hz is 7.1mH.
Similarly, compressor can be measured and be in the corresponding motor d-axis inductance Ld of other frequency separations.It is measured through experiment
ASK103 compressor (30,60] the corresponding motor d-axis inductance Ld of frequency separation is 6.6mH, (60,80] frequency separation is corresponding
Motor d-axis inductance Ld be 5.8mH, (80,90] the corresponding motor d-axis inductance Ld of frequency separation be 5.5mH, (90,100] frequency
The corresponding motor d-axis inductance Ld in rate section is 5.2mH.Specific acquisition process can refer to above-described embodiment, to avoid redundancy, this
Place repeats no more.
According to one embodiment of present invention, as shown in figure 3, obtaining motor axis inductor Lq according to following steps:
S304 controls the running frequency of compressor in the first predeterminated frequency section at a temperature of preset indoor and outdoor surroundings
It is interior, and initial d-axis inductance Ld is determined according to the corresponding motor d-axis inductance in the first predeterminated frequency section and axis inductor nominal value
(1) and initial axis inductor Lq (1), with according to initial d-axis inductance Ld (1) and initial axis inductor Lq (1) in compressor
Motor is controlled, and the phase current peak I peak of measurement compressor.
Specifically, initial d-axis inductance Ld (1) can be true according to the corresponding motor d-axis inductance of frequency separation of compressor
Fixed (having determined that in above-described embodiment), initial axis inductor Lq (1) can determine according to axis inductor nominal value, usually slightly lower
In axis inductor nominal value.For example, ASK103 compressor specifications are indicated using the compressor of model ASK103 as objective for implementation
D-axis inductance nominal value be 7.6mH, axis inductor nominal value be 10.9mH, through the foregoing embodiment known to the compressor it is each
The corresponding motor d-axis inductance of frequency separation, as the initial d-axis inductance Ld (1) of the frequency separation, initial axis inductor Lq
It (1) can be 9.2mH.
S305 keeps motor d-axis inductance constant, and control after the phase current peak I peak of measurement compressor every time
Motor axis inductor is gradually added up based on initial axis inductor Lq (1), and according to initial d-axis inductance Ld (1) and
Motor axis inductor after cumulative controls motor.
According to one embodiment of present invention, after the phase current peak I peak of measurement compressor every time, according to following public affairs
Formula (2) adds up to motor axis inductor:
Lq (M+1)=Lq (M)+Lq (1) * 0.01 (2)
Wherein, Lq (M+1) is current motor axis inductor, before Lq (M) is the phase current peak value of measurement compressor every time
Motor axis inductor, Lq (1) are initial axis inductor.
S306 is obtained in M phase current peak I peak when the number of the phase current peak value of measurement compressor reaches M times
Minimum value, and corresponding motor axis inductor is obtained according to the minimum value in M phase current peak I peak, using as first
The corresponding motor axis inductor Lq in predeterminated frequency section.Wherein, M is integer greater than 1, such as 30.
Specifically, preset indoor and outdoor surroundings temperature can be with are as follows: 27 DEG C of indoor environment temperature, 35 DEG C of outdoor environment temperature.
At a temperature of preset indoor and outdoor surroundings, the running frequency of compressor is controlled in the first predeterminated frequency section, such as control pressure
The running frequency of contracting machine (0,30] in the section Hz, then set the motor d-axis inductance of compressor as initial d-axis inductance Ld
(1), motor axis inductor is initial axis inductor Lq (1), then measures the phase current peak I peak of compressor.Then, electricity is kept
Machine d-axis inductance is constant, and according to formula Lq (M+1)=Lq (M)+Lq (1) * 0.01, is gradually tired out to motor axis inductor
Add, set after cumulative every time motor axis inductor as Ld (M+1), motor d-axis inductance be (1) Ld, then measure compressor phase it is electric
Stream peak value Ipeak.Repeatedly, when pendulous frequency reaches 30 times, the minimum value in 30 phase current peak I peak is obtained,
And it is the corresponding motor axis inductor of minimum value in 30 phase current peak I peak is corresponding as the first predeterminated frequency section
Motor axis inductor Lq improves the energy saving of convertible frequency air-conditioner to reduce electric machine phase current.
For example, using the compressor of model ASK103 as objective for implementation, ASK103 compressor specifications are indicated straight
Axle inductance nominal value is 7.6mH, and axis inductor nominal value is 10.9mH.
At a temperature of preset indoor and outdoor surroundings, the running frequency of compressor is set as 30Hz, and sets motor d-axis electricity
Sense is 7.1mH (having measured in above-described embodiment), motor axis inductor is 9.2mH, then measures the phase current peak value of compressor
Ipeak.It keeps motor d-axis inductance constant, motor axis inductor is increased into (9.2*0.01) mH, measures the phase current of compressor
Peak I peak until pendulous frequency reaches 30 times, obtains the minimum value in 30 phase current peak I peak repeatedly, and
Using the corresponding motor axis inductor of minimum value in 30 phase current peak I peak as (0,30] the corresponding motor of frequency separation
D-axis inductance Ld.By test, measurement result can refer to the following table 2.
Table 2
According to measurement result it is found that the corresponding motor axis inductor of minimum value in 30 phase current peak I peak is
10.1mH, and so ASK103 compressor (0,30] the corresponding motor axis inductor Lq of frequency separation of Hz is 10.1mH.
Similarly, compressor can be measured and be in the corresponding motor axis inductor Lq of other frequency separations.It is measured through pressure testing
ASK103 compressor (30,60] the corresponding motor axis inductor Lq of frequency separation is 9.5mH, (60,80] frequency separation is corresponding
Motor axis inductor Lq be 8.2mH, (80,90] the corresponding motor axis inductor Lq of frequency separation be 7.7mH, (90,100] frequency
The corresponding motor axis inductor Lq in rate section is 7.2mH.Specific acquisition process can refer to above-described embodiment, to avoid redundancy, this
Place repeats no more.
In summary, using the compressor of model ASK103 as objective for implementation, which at runtime, obtains pressure in real time
The running frequency of contracting machine, and judge frequency separation locating for the current operation frequency of compressor.If compressor operate in (0,
30] frequency separation, then set motor d-axis inductance Ld as 7.1mH, motor axis inductor Lq be 10.1mH.If compressor is transported
Row (30,60] frequency separation, then set motor d-axis inductance Ld as 6.6mH, motor axis inductor Lq be 9.5mH.If
Compressor operate in (60,80] frequency separation, then setting motor d-axis inductance Ld as 5.8mH, motor axis inductor Lq and being
8.2mH.If compressor operate in (80,90] frequency separation, then setting motor d-axis inductance Ld as 5.5mH, motor quadrature axis
Inductance Lq is 7.7mH.If compressor operate in (90,100] frequency separation, then set motor d-axis inductance Ld as 5.2mH,
Motor axis inductor Lq is 7.2mH.
In conclusion the motor inductances parameter optimization control method of frequency converting air-conditioner compressor according to an embodiment of the present invention,
The running frequency of compressor is obtained in real time, and judges frequency separation locating for the current operation frequency of compressor, further according to compression
Frequency separation locating for the current operation frequency of machine obtains motor d-axis inductance and motor axis inductor, to run in compressor
Motor inductances parameter is optimized in journey.This method can be according to the running frequency of frequency converting air-conditioner compressor to frequency conversion as a result,
The motor inductances parameter of compressor of air conditioner optimizes, so as to effectively improve the drive efficiency of motor, and then can be effective
Improve the energy-saving efficiency of convertible frequency air-conditioner.
In addition, the embodiment of the present invention also proposes a kind of non-transitorycomputer readable storage medium, it is stored thereon with calculating
Machine program realizes such as above-mentioned motor inductances parameter optimization control method when the program is executed by processor.
Non-transitorycomputer readable storage medium according to an embodiment of the present invention obtains the operation frequency of compressor in real time
Rate, and judge frequency separation locating for the current operation frequency of compressor, locating for the current operation frequency further according to compressor
Frequency separation obtains motor d-axis inductance and motor axis inductor, to carry out during the operation of the compressor to motor inductances parameter
Optimization, so as to effectively improve the drive efficiency of motor, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
Fig. 4 is the motor inductances parameter optimization control device of frequency converting air-conditioner compressor according to an embodiment of the invention
Block diagram.As shown in figure 4, the device includes: frequency acquisition module 10, judgment module 20 and parameter optimization control module
30。
Wherein, frequency acquisition module 10 for obtaining the running frequency of compressor in real time.Judgment module 20 is for judging pressure
Frequency separation locating for the current operation frequency of contracting machine.Wherein, the running frequency of compressor is divided into N number of frequency separation, often
The corresponding one group of motor inductances parameter of a frequency separation, every group of motor inductances parameter include motor d-axis inductance Ld and motor quadrature axis electricity
Feel Lq.Parameter optimization control module 30 obtains motor d-axis for the frequency separation according to locating for the current operation frequency of compressor
Inductance Ld and motor axis inductor Lq, to be optimized during the operation of the compressor to motor inductances parameter.
Specifically, the running frequency of frequency converting air-conditioner compressor, can be by the operation frequency of compressor generally between 0-100Hz
Rate is divided into N number of frequency separation, and N can be the random natural number greater than 1.For example, the running frequency of compressor can be divided
For 5 frequency separations, respectively (0,30], (30,60], (60,80], (80,90], (90,100], each frequency separation is corresponding
One group of motor inductances parameter, i.e. motor d-axis inductance Ld and motor axis inductor Lq, the motor inductances parameter are compressor operation
The corresponding optimal motor inductances parameter in the frequency separation.The corresponding motor d-axis inductance Ld of each frequency separation and motor are handed over
Axle inductance Lq can be measured according to related experiment, and preset in advance is in transducer air conditioning.
In compressor operation, frequency acquisition module 10 obtains the running frequency of compressor, 20 basis of judgment module in real time
The locating frequency separation of the current operation frequency judgement of compressor.Parameter optimization control module 30 is according to the current operation of compressor
Frequency separation locating for frequency obtains corresponding motor d-axis inductance Ld and motor axis inductor Lq, and according to motor d-axis inductance
Ld and motor axis inductor Lq control compressor, carry out with during the operation of the compressor to motor inductances parameter excellent
Change.Thus, it is possible to effectively improve the drive efficiency of motor, and then it can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
It is corresponding below with reference to how specifically embodiment characterising parameter optimal control module 30 obtains each frequency separation
Motor d-axis inductance Ld and motor axis inductor Lq.
According to one embodiment of present invention, as shown in Fig. 2, parameter optimization control module 30 obtains electricity according to following steps
Machine d-axis inductance Ld:
S301 controls the running frequency of compressor in the first predeterminated frequency section at a temperature of preset indoor and outdoor surroundings
It is interior, and according to the d-axis inductance nominal value of compressor electric motor and axis inductor nominal value determine initial d-axis inductance Ld (1) and just
Beginning axis inductor Lq (1), with according to initial d-axis inductance Ld (1) and initial axis inductor Lq (1) to the motor in compressor into
Row control, and the phase current peak I peak of measurement compressor.
Specifically, initial d-axis inductance Ld (1) can determine according to the d-axis inductance nominal value of compressor electric motor, usually
Slightly below d-axis inductance nominal value, initial axis inductor Lq (1) can be axis inductor nominal value.For example, with model
The compressor of ASK103 is objective for implementation, and the d-axis inductance nominal value that ASK103 compressor specifications are indicated is 7.6mH, quadrature axis electricity
Sense nominal value is 10.9mH, then the corresponding initial d-axis inductance Ld (1) of the compressor can be 6.4mH, initial axis inductor
Lq (1) can be with 10.9mH.
S302 keeps motor axis inductor constant, and control after the phase current peak I peak of measurement compressor every time
Motor d-axis inductance is gradually added up based on initial d-axis inductance Ld (1), and according to initial axis inductor Lq (1) and
Motor d-axis inductance after cumulative controls motor.
Further, in an embodiment of the present invention, after the phase current peak I peak of measurement compressor every time, parameter
Optimal control module 30 according to the following formula (1) adds up to motor d-axis inductance:
Ld (M+1)=Ld (M)+Ld (1) * 0.01 (1)
Wherein, Ld (M+1) is current motor d-axis inductance, before Ld (M) is the phase current peak value of measurement compressor every time
Motor d-axis inductance, Ld (1) are initial d-axis inductance.
S303 is obtained in M phase current peak value when the number of the phase current peak I peak of measurement compressor reaches M times
Minimum value, and corresponding motor d-axis inductance Ld is obtained according to the minimum value in M phase current peak value, using default as first
The corresponding motor d-axis inductance Ld of frequency separation.Wherein, M is integer greater than 1, such as 30.
Specifically, preset indoor and outdoor surroundings temperature can be with are as follows: 27 DEG C of indoor environment temperature, 35 DEG C of outdoor environment temperature.
At a temperature of preset indoor and outdoor surroundings, parameter optimization control module 30 controls the running frequency of compressor in the first predeterminated frequency
In section, for example, control compressor running frequency (0,30] in the section Hz, the then setting of parameter optimization control module 30 pressure
The motor d-axis inductance of contracting machine is that initial d-axis inductance Ld (1), motor axis inductor are initial axis inductor Lq (1), then measure
The phase current peak I peak of compressor.Then, parameter optimization control module 30 keeps motor axis inductor constant, and according to public affairs
Formula Ld (M+1)=Ld (M)+Ld (1) * 0.01, gradually adds up to motor d-axis inductance, sets motor d-axis after adding up every time
Inductance is Ld (M+1), motor axis inductor is (1) Lq, then measures the phase current peak I peak of compressor.Repeatedly, work as survey
When amount number reaches 30 times, parameter optimization control module 30 obtains the minimum value in 30 phase current peak I peak, and by 30
The corresponding motor d-axis inductance of minimum value in phase current peak I peak is as the corresponding motor d-axis in the first predeterminated frequency section
Inductance Ld.
For example, using the compressor of model ASK103 as objective for implementation, ASK103 compressor specifications are indicated straight
Axle inductance nominal value is 7.6mH, and axis inductor nominal value is 10.9mH.
At a temperature of preset indoor and outdoor surroundings, parameter optimization control module 30 set the running frequency of compressor as
30Hz, and setting motor d-axis inductance as 6.4mH, motor axis inductor is 10.9mH, then parameter optimization control module 30 is surveyed
The phase current peak I peak of capacity compressor.Keep motor axis inductor constant, parameter optimization control module 30 is electric by motor d-axis
Sense increases (6.4*0.01) mH, measures the phase current peak I peak of compressor, repeatedly, until pendulous frequency reaches 30 times,
Parameter optimization control module 30 obtains the minimum value in 30 phase current peak I peak, and will be in 30 phase current peak I peak
The corresponding motor d-axis inductance of minimum value as (0,30] the corresponding motor d-axis inductance Ld of frequency separation, to reduce motor phase
Electric current improves the energy saving of convertible frequency air-conditioner.By experiment, measurement result can refer to the following table 1.
Table 1
According to measurement result it is found that the corresponding motor d-axis inductance of minimum value in 30 phase current peak I peak is
7.1mH, and so ASK103 compressor (0,30] the corresponding motor d-axis inductance Ld of frequency separation of Hz is 7.1mH.
Similarly, parameter optimization control module 30 can get compressor and be in the corresponding motor d-axis inductance of other frequency separations
Ld.Through experiment measure ASK103 compressor (30,60] the corresponding motor d-axis inductance Ld of frequency separation be 6.6mH, (60,80]
The corresponding motor d-axis inductance Ld of frequency separation be 5.8mH, (80,90] the corresponding motor d-axis inductance Ld of frequency separation is
5.5mH, (90,100] the corresponding motor d-axis inductance Ld of frequency separation be 5.2mH.Specific acquisition process can refer to above-mentioned implementation
Example, to avoid redundancy, details are not described herein again.
According to one embodiment of present invention, as shown in figure 3, parameter optimization control module 30 obtains electricity according to following steps
Machine axis inductor Lq:
S304 controls the running frequency of compressor in the first predeterminated frequency section at a temperature of preset indoor and outdoor surroundings
It is interior, and initial d-axis inductance Ld is determined according to the corresponding motor d-axis inductance in the first predeterminated frequency section and axis inductor nominal value
(1) and initial axis inductor Lq (1), with according to initial d-axis inductance Ld (1) and initial axis inductor Lq (1) in compressor
Motor is controlled, and the phase current peak I peak of measurement compressor.
Specifically, initial d-axis inductance Ld (1) can be true according to the corresponding motor d-axis inductance of frequency separation of compressor
Fixed (having determined that in above-described embodiment), initial axis inductor Lq (1) can determine according to axis inductor nominal value, usually slightly lower
In axis inductor nominal value.For example, ASK103 compressor specifications are indicated using the compressor of model ASK103 as objective for implementation
D-axis inductance nominal value be 7.6mH, axis inductor nominal value be 10.9mH, through the foregoing embodiment known to the compressor it is each
The corresponding motor d-axis inductance of frequency separation, as the initial d-axis inductance Ld (1) of the frequency separation, initial axis inductor Lq
It (1) can be 9.2mH.
S305 keeps motor d-axis inductance constant, and control after the phase current peak I peak of measurement compressor every time
Motor axis inductor is gradually added up based on initial axis inductor Lq (1), and according to initial d-axis inductance Ld (1) and
Motor axis inductor after cumulative controls motor.
According to one embodiment of present invention, after the phase current peak I peak of measurement compressor every time, according to following public affairs
Formula (2) adds up to motor axis inductor:
Lq (M+1)=Lq (M)+Lq (1) * 0.01 (2)
Wherein, Lq (M+1) is current motor axis inductor, before Lq (M) is the phase current peak value of measurement compressor every time
Motor axis inductor, Lq (1) are initial axis inductor.
S306 is obtained in M phase current peak I peak when the number of the phase current peak value of measurement compressor reaches M times
Minimum value, and corresponding motor axis inductor is obtained according to the minimum value in M phase current peak I peak, using as first
The corresponding motor axis inductor Lq in predeterminated frequency section.Wherein, M is integer greater than 1, such as 30.
Specifically, preset indoor and outdoor surroundings temperature can be with are as follows: 27 DEG C of indoor environment temperature, 35 DEG C of outdoor environment temperature.
At a temperature of preset indoor and outdoor surroundings, parameter optimization control module 30 controls the running frequency of compressor in the first predeterminated frequency
In section, for example, control compressor running frequency (0,30] in the section Hz, the then setting of parameter optimization control module 30 pressure
The motor d-axis inductance of contracting machine is that initial d-axis inductance Ld (1), motor axis inductor are initial axis inductor Lq (1), then measure
The phase current peak I peak of compressor.Then, parameter optimization control module 30 keeps motor d-axis inductance constant, and according to public affairs
Formula Lq (M+1)=Lq (M)+Lq (1) * 0.01, gradually adds up to motor axis inductor, sets motor quadrature axis after adding up every time
Inductance is Ld (M+1), motor d-axis inductance is (1) Ld, then measures the phase current peak I peak of compressor.Repeatedly, work as survey
When amount number reaches 30 times, parameter optimization control module 30 obtains the minimum value in 30 phase current peak I peak, and by 30
The corresponding motor axis inductor of minimum value in phase current peak I peak is as the corresponding motor quadrature axis in the first predeterminated frequency section
Inductance Lq improves the energy saving of convertible frequency air-conditioner to reduce electric machine phase current.
For example, using the compressor of model ASK103 as objective for implementation, ASK103 compressor specifications are indicated straight
Axle inductance nominal value is 7.6mH, and axis inductor nominal value is 10.9mH.
At a temperature of preset indoor and outdoor surroundings, parameter optimization control module 30 set the running frequency of compressor as
30Hz, and setting motor d-axis inductance as 7.1mH (having measured in above-described embodiment), motor axis inductor is 9.2mH, is then surveyed
The phase current peak I peak of capacity compressor.Keep motor d-axis inductance constant, parameter optimization control module 30 is electric by motor quadrature axis
Sense increases (9.2*0.01) mH, measures the phase current peak I peak of compressor, repeatedly, until pendulous frequency reaches 30 times,
Parameter optimization control module 30 obtains the minimum value in 30 phase current peak I peak, and will be in 30 phase current peak I peak
The corresponding motor axis inductor of minimum value as (0,30] the corresponding motor d-axis inductance Ld of frequency separation.By test, survey
Amount result can refer to the following table 2.
| Pendulous frequency (M) | Motor axis inductor Lq (mH) | Compressor phase current peak I peak (A) |
| 1 | 9.2 | 7 |
| 2 | 9.292 | 6.93 |
| 3 | 9.384 | 6.86 |
| 4 | 9.476 | 6.79 |
| 5 | 9.568 | 6.72 |
| 6 | 9.66 | 6.65 |
| 7 | 9.752 | 6.58 |
| 8 | 9.844 | 6.51 |
| 9 | 9.936 | 6.44 |
| 10 | 10.028 | 6.38 |
| 11 | 10.12 | 6.32 |
| 12 | 10.212 | 6.38 |
| 13 | 10.304 | 6.44 |
| 14 | 10.396 | 6.5 |
| 15 | 10.488 | 6.57 |
| 16 | 10.58 | 6.64 |
| 17 | 10.672 | 6.71 |
| 18 | 10.764 | 6.78 |
| 19 | 10.856 | 6.85 |
| 20 | 10.948 | 6.92 |
| 21 | 11.04 | 6.99 |
| 22 | 11.132 | 7.06 |
| 23 | 11.224 | 7.13 |
| 24 | 11.316 | 7.2 |
| 25 | 11.408 | 7.27 |
| 26 | 11.5 | 7.34 |
| 27 | 11.592 | 7.41 |
| 28 | 11.684 | 7.48 |
| 29 | 11.776 | 7.55 |
| 30 | 11.868 | 7.63 |
Table 2
According to measurement result it is found that the corresponding motor axis inductor of minimum value in 30 phase current peak I peak is
10.1mH, and so ASK103 compressor (0,30] the corresponding motor axis inductor Lq of frequency separation of Hz is 10.1mH.
Similarly, parameter optimization control module 30 can measure compressor and be in the corresponding motor axis inductor of other frequency separations
Lq.Through pressure testing measure ASK103 compressor (30,60] the corresponding motor axis inductor Lq of frequency separation be 9.5mH, (60,80]
The corresponding motor axis inductor Lq of frequency separation be 8.2mH, (80,90] the corresponding motor axis inductor Lq of frequency separation is
7.7mH, (90,100] the corresponding motor axis inductor Lq of frequency separation be 7.2mH.Specific acquisition process can refer to above-mentioned implementation
Example, to avoid redundancy, details are not described herein again.
In summary, using the compressor of model ASK103 as objective for implementation, the compressor at runtime, frequency acquisition mould
Block 10 obtains the running frequency of compressor in real time, and judgment module 20 judges frequency zones locating for the current operation frequency of compressor
Between.If compressor operate in (0,30] frequency separation, then parameter optimization module 30 set motor d-axis inductance Ld as
7.1mH, motor axis inductor Lq are 10.1mH.If compressor operate in (30,60] frequency separation, then parameter optimization module
30 set motor d-axis inductance Ld as 6.6mH, motor axis inductor Lq be 9.5mH.If compressor operate in (60,80] frequency
Section, then parameter optimization module 30 set motor d-axis inductance Ld as 5.8mH, motor axis inductor Lq be 8.2mH.If pressure
Contracting machine operate in (80,90] frequency separation, then parameter optimization module 30 set motor d-axis inductance Ld as 5.5mH, motor hand over
Axle inductance Lq is 7.7mH.If compressor operate in (90,100] frequency separation, then parameter optimization module 30 set motor it is straight
Axle inductance Ld is 5.2mH, motor axis inductor Lq is 7.2mH.
The motor inductances parameter optimization control device of frequency converting air-conditioner compressor according to an embodiment of the present invention, is obtained by frequency
Modulus block obtains the running frequency of compressor in real time, and judgment module judges frequency zones locating for the current operation frequency of compressor
Between, parameter optimization control module frequency separation according to locating for the current operation frequency of compressor obtains motor d-axis inductance and electricity
Machine axis inductor, to be optimized during the operation of the compressor to motor inductances parameter.The device can be according to frequency conversion as a result,
The running frequency of compressor of air conditioner optimizes the motor inductances parameter of frequency converting air-conditioner compressor, so as to effectively improve electricity
The drive efficiency of machine, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
In addition, the present invention also proposes a kind of air conditioner, the motor inductances parameter including above-mentioned frequency converting air-conditioner compressor
Optimal control device.
The transducer air conditioning of the embodiment of the present invention passes through the motor inductances parameter optimization control of above-mentioned frequency converting air-conditioner compressor
Device processed can optimize the motor inductances parameter of compressor according to the running frequency of compressor, so as to effectively mention
The drive efficiency of high motor, and then can effectively improve the energy-saving efficiency of convertible frequency air-conditioner.
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.
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.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized: have for data-signal is realized the logic gates of logic function from
Logic circuit is dissipated, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
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 the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
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 (10)
1. a kind of motor inductances parameter optimization control method of frequency converting air-conditioner compressor, which comprises the following steps:
S1 obtains the running frequency of compressor in real time；
S2 judges frequency separation locating for the current operation frequency of the compressor, wherein by the running frequency of the compressor
It is divided into N number of frequency separation, each corresponding one group of motor inductances parameter of the frequency separation, motor inductances parameter packet described in every group
Include motor d-axis inductance and motor axis inductor；
S3 obtains the motor d-axis inductance according to frequency separation locating for the current operation frequency of the compressor and motor is handed over
Axle inductance, to be optimized in the compressor operational process to the motor inductances parameter, wherein obtained according to following steps
Take the motor d-axis inductance:
At a temperature of preset indoor and outdoor surroundings, the running frequency of the compressor is controlled in the first predeterminated frequency section, and
Initial d-axis inductance and initial quadrature axis are determined according to the d-axis inductance nominal value of the compressor electric motor and axis inductor nominal value
Inductance, to be controlled according to the initial d-axis inductance and the initial axis inductor the motor in the compressor, with
And the phase current peak value of the measurement compressor；
After measuring the phase current peak value of the compressor every time, keep the motor axis inductor constant, and control the electricity
Machine d-axis inductance is gradually added up based on the initial d-axis inductance, and according to the initial axis inductor and is added up
Motor d-axis inductance afterwards controls the motor；
When the number of the phase current peak value of the measurement compressor reaches M times, the minimum value in M phase current peak value is obtained,
And corresponding motor d-axis inductance is obtained according to the minimum value in M phase current peak value, using as first predeterminated frequency area
Between corresponding motor d-axis inductance, wherein M is integer greater than 1.
2. the motor inductances parameter optimization control method of frequency converting air-conditioner compressor as described in claim 1, which is characterized in that In
After the phase current peak value for measuring the compressor every time, add up according to the following formula to the motor d-axis inductance:
Ld (M+1)=Ld (M)+Ld (1) * 0.01
Wherein, Ld (M+1) is current motor d-axis inductance, before Ld (M) is the phase current peak value for measuring the compressor every time
Motor d-axis inductance, Ld (1) are the initial d-axis inductance.
3. the motor inductances parameter optimization control method of frequency converting air-conditioner compressor as described in claim 1, which is characterized in that root
The motor axis inductor is obtained according to following steps:
At a temperature of preset indoor and outdoor surroundings, the running frequency of the compressor is controlled in the first predeterminated frequency section, and
Initial d-axis inductance and initial is determined according to the corresponding motor d-axis inductance in the first predeterminated frequency section and axis inductor nominal value
Axis inductor, to be controlled according to the initial d-axis inductance and the initial axis inductor to the motor in the compressor
System, and the phase current peak value of the measurement compressor；
After measuring the phase current peak value of the compressor every time, keep the motor d-axis inductance constant, and control the electricity
Machine axis inductor is gradually added up based on the initial axis inductor, and according to the initial d-axis inductance and is added up
Motor axis inductor afterwards controls the motor；
When the number of the phase current peak value of the measurement compressor reaches M times, the minimum value in M phase current peak value is obtained,
And corresponding motor axis inductor is obtained according to the minimum value in M phase current peak value, using as first predeterminated frequency area
Between corresponding motor axis inductor, wherein M is integer greater than 1.
4. the motor inductances parameter optimization control method of frequency converting air-conditioner compressor as claimed in claim 3, which is characterized in that In
After the phase current peak value for measuring the compressor every time, add up according to the following formula to the motor axis inductor:
Lq (M+1)=Lq (M)+Lq (1) * 0.01
Wherein, Lq (M+1) is current motor axis inductor, before Lq (M) is the phase current peak value for measuring the compressor every time
Motor axis inductor, Lq (1) are the initial axis inductor.
5. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program quilt
Such as motor inductances parameter optimization control method of any of claims 1-4 is realized when processor executes.
6. a kind of motor inductances parameter optimization control device of frequency converting air-conditioner compressor characterized by comprising
Frequency acquisition module, for obtaining the running frequency of compressor in real time；
Judgment module, for judging frequency separation locating for the current operation frequency of the compressor, wherein by the compressor
Running frequency be divided into N number of frequency separation, each corresponding one group of motor inductances parameter of the frequency separation, motor described in every group
Inductance parameters include motor d-axis inductance and motor axis inductor；
Parameter optimization control module obtains the electricity for the frequency separation according to locating for the current operation frequency of the compressor
Machine d-axis inductance and motor axis inductor, to be optimized in the compressor operational process to the motor inductances parameter,
Wherein, the parameter optimization control module obtains the motor d-axis inductance according to following steps:
At a temperature of preset indoor and outdoor surroundings, the running frequency of the compressor is controlled in the first predeterminated frequency section, and
The motor in the compressor is controlled according to preset initial d-axis inductance and initial axis inductor, and described in measurement
The phase current peak value of compressor；
After measuring the phase current peak value of the compressor every time, keep the motor axis inductor constant, and control the electricity
Machine d-axis inductance is gradually added up based on the initial d-axis inductance, and according to the initial axis inductor and is added up
Motor d-axis inductance afterwards controls the motor；
When the number of the phase current peak value of the measurement compressor reaches M times, the minimum value in M phase current peak value is obtained,
And corresponding motor d-axis inductance is obtained according to the minimum value in M phase current peak value, using as first predeterminated frequency area
Between corresponding motor d-axis inductance, wherein M is integer greater than 1.
7. the motor inductances parameter optimization control device of frequency converting air-conditioner compressor as claimed in claim 6, which is characterized in that In
After the phase current peak value for measuring the compressor every time, the parameter optimization control module is straight to the motor according to the following formula
Axle inductance adds up:
Ld (M+1)=Ld (M)+Ld (1) * 0.01
Wherein, Ld (M+1) is current motor d-axis inductance, before Ld (M) is the phase current peak value for measuring the compressor every time
Motor d-axis inductance, Ld (1) are the initial d-axis inductance.
8. the motor inductances parameter optimization control device of frequency converting air-conditioner compressor as claimed in claim 6, which is characterized in that institute
It states parameter optimization control module and obtains the motor axis inductor according to following steps:
At a temperature of preset indoor and outdoor surroundings, the running frequency of the compressor is controlled in the first predeterminated frequency section, and
The motor in the compressor is controlled according to preset initial d-axis inductance and initial axis inductor, and described in measurement
The phase current peak value of compressor；
After measuring the phase current peak value of the compressor every time, keep the motor d-axis inductance constant, and control the electricity
Machine axis inductor is gradually added up based on the initial axis inductor, and according to the initial d-axis inductance and is added up
Motor axis inductor afterwards controls the motor；
When the number of the phase current peak value of the measurement compressor reaches M times, the minimum value in M phase current peak value is obtained,
And corresponding motor axis inductor is obtained according to the minimum value in M phase current peak value, using as first predeterminated frequency area
Between corresponding motor axis inductor, wherein M is integer greater than 1.
9. the motor inductances parameter optimization control device of frequency converting air-conditioner compressor as claimed in claim 8, which is characterized in that In
After the phase current peak value for measuring the compressor every time, the parameter optimization control module according to the following formula hands over the motor
Axle inductance adds up:
Lq (M+1)=Lq (M)+Lq (1) * 0.01
Wherein, Lq (M+1) is current motor axis inductor, before Lq (M) is the phase current peak value for measuring the compressor every time
Motor axis inductor, Lq (1) are the initial axis inductor.
10. a kind of transducer air conditioning, which is characterized in that including the convertible frequency air-conditioner compression as described in any one of claim 6-9
The motor inductances parameter optimization control device of machine.
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| CN115143593A (en) * | 2022-06-27 | 2022-10-04 | 北京小米移动软件有限公司 | Method and device for determining inductance parameter of air conditioner compressor and storage medium |
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| JP2015035899A (en) * | 2013-08-09 | 2015-02-19 | 日産自動車株式会社 | Motor control device |
| CN104676840A (en) * | 2015-02-28 | 2015-06-03 | 广东美的制冷设备有限公司 | Control method and control device for compressor in air conditioner |
| CN105208423A (en) * | 2015-07-07 | 2015-12-30 | 深圳Tcl数字技术有限公司 | Method and system for remote control based on electromagnetic induction |
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| US8373379B2 (en) * | 2010-10-21 | 2013-02-12 | Schneider Electric USA, Inc. | Methods and devices for estimation of induction motor inductance parameters |
| US9007014B2 (en) * | 2012-10-19 | 2015-04-14 | The Board Of Trustees Of The University Of Illinois | System and method for compensating for high frequency application of ripple correlation to minimize power losses in induction machines |
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| JP2015035899A (en) * | 2013-08-09 | 2015-02-19 | 日産自動車株式会社 | Motor control device |
| CN104676840A (en) * | 2015-02-28 | 2015-06-03 | 广东美的制冷设备有限公司 | Control method and control device for compressor in air conditioner |
| CN105208423A (en) * | 2015-07-07 | 2015-12-30 | 深圳Tcl数字技术有限公司 | Method and system for remote control based on electromagnetic induction |
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