CN104362931A - Compressor adjustment method and compressor adjustment device - Google Patents
Compressor adjustment method and compressor adjustment device Download PDFInfo
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- CN104362931A CN104362931A CN201410515949.5A CN201410515949A CN104362931A CN 104362931 A CN104362931 A CN 104362931A CN 201410515949 A CN201410515949 A CN 201410515949A CN 104362931 A CN104362931 A CN 104362931A
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Abstract
The invention discloses a compressor adjustment method and a compressor adjustment device and solves the technical problem of inaccuracy in test of compressor related parameters in the prior art. The method includes: determining a drive current corresponding to a compressor pulse voltage signal inputted into air-conditioning equipment; sending current parameter information corresponding to the drive current to air conditioner operation parameter monitoring equipment; driving a motor rotor in a compressor to rotate by the drive current, detecting real angular position information corresponding to the motor rotor, and sending the real angular position information to the air conditioner operation parameter monitoring equipment; receiving a deviation angle determined by testing the real angular position information on the basis of estimated angular position information by the air conditioner operation parameter monitoring equipment, wherein the estimated angular position information includes motor rotor angular position information determined by the compressor according to the pulse voltage signal; controlling the compressor to adjust the angular position of the motor rotor according to the deviation angle.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of method and compressor adjusting device adjusting compressor.
Background technology
Along with the development of science and technology, the whole world is advocated " environmental protection low-carbon (LC) ", and environmental protection convertible frequency air-conditioner enters a New Times, and convertible frequency air-conditioner also arises at the historic moment.Convertible frequency air-conditioner refers to that the frequency of the working power of its compressor and the rotating speed of compressor are all variable air-conditionings.In convertible frequency air-conditioner dependence compressor, the change of motor speed reaches the control to room temperature, therefore compressor is the heart of air-conditioning, its rotating speed directly has influence on the service efficiency of air-conditioning, frequency converter is just used to the control system of controlling and adjustment compressor rotary speed, make it to be in best rotary regimes all the time, thus improve Energy Efficiency Ratio.
In prior art, compressor is in the production phase, or whether, before coming into the market, manufacturer can test the driving of compressor, meet the requirements with the performance assessing compressor.The method of current test normally controls the test signal that frequency converter inputs a constant frequency, test signal is inputted in compressor.Then measure the operational factor of compressor, assessed again by measurement parameter.
Then, when above-mentioned test mode can not detect the rotor driving compressor exactly, whether the position of rotor meets service condition, and test result is accurate not.
Summary of the invention
The embodiment of the present invention provides a kind of method and the compressor adjusting device that adjust compressor, for realizing based on the misalignment angle of testing the adjustment of rotor, thus compressor can be operated according to the angle position of anticipation, also realize the technique effect testing out the driveability of compressor before dispatching from the factory more accurately.
Adjust a method for compressor, in application air-conditioning equipment, can comprise the following steps:
Determine the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding;
Current parameters information corresponding for described drive current is sent to air conditioner operation parameters monitoring equipment;
Drive the rotor in described compressor to rotate by described drive current, detect the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment;
Receive the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position comprising the described rotor that described compressor is determined according to described pulse voltage signal;
According to described misalignment angle, control the angle position of described compressor to described rotor and adjust.
On the other hand, this application provides a kind of compressor adjusting device, comprising:
Test signal determining unit, for determining the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding;
Transmitting element, for being sent to air conditioner operation parameters monitoring equipment by current parameters information corresponding for described drive current;
Test cell, for driving the rotor in described compressor to rotate by described drive current, detects the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment;
Described test cell is also for receiving the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position of the described rotor that described compressor is determined according to described pulse voltage signal;
Adjustment unit, for according to described misalignment angle, controls the angle position of described compressor to described rotor and adjusts.
Above-mentioned one or more technical scheme in the embodiment of the present application, at least has one or more technique effects following:
In the technical scheme of the application, the drive current of the rotor driving compressor is determined by the voltage signal obtained in input air-conditioning equipment, and drive current is sent to air conditioner operation parameters monitoring equipment and tests, detect simultaneously and obtain under this drive current, the actual angle position that in compressor, rotor is corresponding, so that itself and the estimation angle position directly determined according to drive current are compared, and determine the error of existence, i.e. misalignment angle, thus can adjust according to the angle of this misalignment angle to rotor detected.Such as, in brshless DC motor, by the angle position of measuring and adjustation rotor (many magnetic poles ring-shaped rotor), realize the commutation to stator current, thus rotor is stably rotated to a direction continuously, therefore solve in prior art and cause in the larger technical problem of the angular error of the rotor of compressor because testing inaccurate, achieve by the detection of air conditioner operation parameters monitoring equipment to the position of the rotor of compressor, and based on the misalignment angle of testing to the adjustment of rotor, thus compressor can be operated according to the angle position of anticipation, also the technique effect testing out the driveability of compressor before dispatching from the factory more accurately is realized.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the adjustment compressor in the embodiment of the present application;
Fig. 2 is the primary structure figure of the compressor adjusting device in the embodiment of the present application.
Embodiment
The embodiment of the present application provides a kind of method and the compressor adjusting device that adjust compressor, for the misalignment angle based on test to the adjustment of rotor, thus compressor can be operated according to the angle position of anticipation, also realize the technique effect testing out the driveability of compressor before dispatching from the factory more accurately.
In order to solve the problems of the technologies described above, the technical scheme general thought that the application provides is as follows:
Determine the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding;
Current parameters information corresponding for described drive current is sent to air conditioner operation parameters monitoring equipment;
Drive the rotor in described compressor to rotate by described drive current, detect the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment;
Receive the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position comprising the described rotor that described compressor is determined according to described pulse voltage signal;
According to described misalignment angle, control the angle position of described compressor to described rotor and adjust.
In the technical scheme of the application, the drive current of the rotor driving compressor is determined by the voltage signal obtained in input air-conditioning equipment, and drive current is sent to air conditioner operation parameters monitoring equipment and tests, detect simultaneously and obtain under this drive current, the actual angle position that in compressor, rotor is corresponding, so that itself and the estimation angle position directly determined according to drive current are compared, therefore a misalignment angle can be determined, thus can adjust according to the angle of this misalignment angle to rotor detected.Such as, in brshless DC motor, by the angle position of measuring and adjustation rotor (many magnetic poles ring-shaped rotor), realize the commutation to stator current, thus rotor is stably rotated to a direction continuously, therefore solve in prior art and cause in the larger technical problem of the angular error of the rotor of compressor because testing inaccurate, achieve by the detection of air conditioner operation parameters monitoring equipment to the position of the rotor of compressor, and based on the misalignment angle of testing to the adjustment of rotor, thus compressor can be operated according to the angle position of anticipation, also the technique effect testing out the driveability of compressor before dispatching from the factory more accurately is realized.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Term "and/or" herein, being only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.In addition, character "/" herein, general expression forward-backward correlation is to the relation liking a kind of "or".
Embodiment one
The application's first aspect provides a kind of method adjusting compressor, and in application air-conditioning equipment, please refer to Fig. 1, the method can comprise the following steps:
S1: determine the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding.
S2: current parameters information corresponding for described drive current is sent to air conditioner operation parameters monitoring equipment.
S3: drive the rotor in described compressor to rotate by described drive current, detects the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment.
S4: receive the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position comprising the described rotor that described compressor is determined according to described pulse voltage signal.
S5: according to described misalignment angle, controls the angle position of described compressor to described rotor and adjusts.
First, when to air-conditioning equipment input supply voltage, the pulse voltage signal of the described compressor of input can be obtained by the drive plate in described compressor, and pulse voltage signal is converted to driving voltage or the drive current of the rotor driving compressor, then the relevant parameter corresponding with driving voltage and drive current can be detected by the drive plate in air-conditioning equipment, calmly relevant parameter is sent to air conditioner operation parameters monitoring equipment and test.Wherein, said air-conditioning equipment can be frequency-variable air-conditioner herein, and motor is made up of rotor and stator two parts, and rotor is the rotating parts in motor, can be used for realizing electric energy and mechanical energy and the conversion between mechanical energy and electric energy.
Because the control of convertible frequency air-conditioner is comparatively complicated, in the invention process profit, after according to pulse voltage signal determination drive current, can step S2 be performed, be sent in functional test air conditioner operation parameters monitoring equipment as test parameter by the current parameters information of its correspondence and test.
In the technical scheme of the application, air conditioner operation parameters monitoring equipment is made up of automatically controlled establishment, fictitious load and detection analysis module, can be communicated between them by communication interface.Wherein, electrically-controlled component is divided into drive plate and governor circuit, drive plate comprises inverter, detect the current value that analysis module detects the electrical quantity of electrically-controlled component and the UVW three-phase of fictitious load, detect analysis module can obtain the actual current value of fictitious load and input to the target current value of fictitious load, whether the electrical quantity that can be detected electrically-controlled component by comparative analysis is correct.
While step S2, this programme can also comprise: control described compressor and determine the estimation angular position information corresponding with rotor according to drive current, controls drive plate and estimation angular position information and current parameters information are sent to described air conditioner operation parameters monitoring equipment.
In the embodiment of the present invention; normal work can be stablized between air conditioner operation parameters monitoring equipment input voltage 160-260VC; the each functional module of off-premises station can be detected, whether component working state is normal; relevant parameter information can be passed to air conditioner operation parameters monitoring equipment by drive plate by off-premises station, such as: the parameter informations such as outdoor temperature, outer disk (evaporator) temperature, compressor exhaust temperature, compressor operation frequency, off-premises station failure code, off-premises station protecting code.And after testing according to related data, comprehensive evaluation can be carried out to a parts in this air-conditioning equipment.Such as, test AC blower fan relay exports, cross valve relay exports consistent with AC-input voltage, accurately detects and show various electric current, voltage accuracy, waveform.
In actual applications, adopt this air conditioner operation parameters monitoring equipment detect voltage, electric current, PFC (power factor (PF)) time data can be accurate to decimal point after 2, and be presented in man-machine interface, and can say that every platform electrically-controlled component commissioning content and result store, conveniently consult.
In S3, when drive motors rotor rotates, when electric motor starting, by amplitude and the direction of the stator field of continuous control motor, can make rotor certain among a small circle in swing.Then can detect actual angle position corresponding to rotor by air conditioner operation parameters monitoring equipment.Such as, the vector control mode without transducer can be adopted, namely electric current be passed into specific three-phase or two phase windings, make rotor be fixed on a certain position, as zero point, the detection of position when can realize static by the inductance difference of d axle and q axle.For obtaining high-precision position feedback information, suitable voltage/current vector exciting electric can be selected, make rotor produce fine motion; If motor stalling illustrates that current stator field direction and rotor magnetic pole position center line overlap.
Concrete, the rotor of described compressor is driven to rotate by described drive current, detect the actual angle positional information that described rotor is corresponding, comprise: determine the rotor rotating speed that described drive current is corresponding when driving described rotor to rotate, and determine according to described rotor rotating speed the actual angle positional information that described rotor is corresponding.Namely by detecting the rotating speed of rotor within the unit interval, the angular speed that rotor is corresponding can be tested out, actual angle positional information corresponding when drive motors rotates can be calculated based on its initial angle.
Such as, if the power frequency of rotor is 50HZ, in the time of i.e. 1s, can enclose by drive motors rotor turns 50, the rotational angle often enclosed is 360 °, then within a certain period of time, according to the initial angle positional information determination actual angle positional information of the rotor of power frequency corresponding to drive current and test.
Or, after pulse voltage signal being converted to the driving voltage or drive current driving compressor drum, also can be controlled the rotation of the rotor of compressor again by the conversion of deviation and sound coordinate system, thus be come the position of detection rotor by back electromotive force.
In actual mechanical process, the mode of the actual angle position of detection rotor is not limited only to aforesaid way, and the technical approach deposited in prior art all can become the technological means that the present invention realizes this test, does not repeat them here.
In the embodiment of the present application, the concrete implementation of S4 is: determined the first angle position parameter estimating that angular position information is corresponding by air conditioner operation parameters monitoring equipment, and the second angle position parameter corresponding with actual angle positional information; And then receive from air conditioner operation parameters monitoring equipment, the misalignment angle determined according to the first angle position parameter and the second angle position parameter.Wherein, misalignment angle can time to determine according to the difference of above-mentioned first angle position parameter and the second angle position parameter, and estimate that angular position information can be the angular position information of the rotor that the power frequency corresponding according to drive current is estimated, concrete estimation procedure can be identical with implementation already present in prior art, do not repeat them here.
When realizing S5, specifically can determine whether described misalignment angle is greater than or less than predetermined angle threshold value; If be greater than or less than, according to described misalignment angle, described rotor is adjusted, to make the actual angle positional information that the described rotor after adjustment is corresponding identical with described estimation angular position information.Namely air conditioner operation parameters monitoring equipment measurement error angle can determine the angular error that in compressor, rotor exists when real-world operation and between estimating, thus can effectively revise or adjust the parameter of compressor according to angular error.Such as, adjusted the actual angle position of electronics rotor by adjustment power frequency, make it consistent with estimation angle position, so that when starting compressor, the operation of motor Absorbable organic halogens.
Embodiment two
Please refer to Fig. 2, the compressor adjusting device in the embodiment of the present application mainly can comprise:
Test signal determining unit 201, for determining the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding.
Transmitting element 202, for being sent to air conditioner operation parameters monitoring equipment by current parameters information corresponding for described drive current.
Test cell 203, for driving the rotor in described compressor to rotate by described drive current, detect the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment.
Described test cell 203 is also for receiving the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position of the described rotor that described compressor is determined according to described pulse voltage signal.
Adjustment unit 204, for according to described misalignment angle, controls the angle position of described compressor to described rotor and adjusts.
Optionally, described test signal determining unit 201 is specifically for the described pulse voltage signal that obtained the described compressor of input by drive plate in described compressor; Described pulse voltage signal is converted to the drive current of the rotor driving described compressor.
Optionally, described transmitting element 202 specifically for: control described compressor and determine the estimation angular position information corresponding with described rotor according to described drive current; Control described drive plate and described estimation angular position information and described current parameters information are sent to described air conditioner operation parameters monitoring equipment.
Optionally, described test cell 203 concrete also for: determine the rotor rotating speed that described drive current is corresponding when driving described rotor to rotate; The actual angle positional information that described rotor is corresponding is determined according to described rotor rotating speed.
Optionally, described test cell 203 concrete also for: determine the first angle position parameter that described estimation angular position information is corresponding and the second angle position parameter corresponding with described actual angle positional information by described air conditioner operation parameters monitoring equipment; Receive from described air conditioner operation parameters monitoring equipment, the described misalignment angle determined according to described first angle position parameter and described second angle position parameter.
Optionally, described adjustment unit 204 specifically for: determine whether described misalignment angle is greater than or less than predetermined angle threshold value; If be greater than or less than, according to described misalignment angle, described rotor is adjusted, to make the actual angle positional information that the described rotor after adjustment is corresponding identical with described estimation angular position information.
Claims (12)
1. adjust a method for compressor, in application air-conditioning equipment, it is characterized in that, described method comprises:
Determine the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding;
Current parameters information corresponding for described drive current is sent to air conditioner operation parameters monitoring equipment;
Drive the rotor in described compressor to rotate by described drive current, detect the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment;
Receive the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position comprising the described rotor that described compressor is determined according to described pulse voltage signal;
According to described misalignment angle, control the angle position of described compressor to described rotor and adjust.
2. the method for claim 1, is characterized in that, describedly determines the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding, specifically comprises:
The described pulse voltage signal of the described compressor of input is obtained by the drive plate in described compressor;
Described pulse voltage signal is converted to the drive current of the rotor driving described compressor.
3. method as claimed in claim 2, it is characterized in that, while current parameters information corresponding for described drive current is sent to air conditioner operation parameters monitoring equipment, described method also comprises:
Control described compressor and determine the estimation angular position information corresponding with described rotor according to described drive current;
Control described drive plate and described estimation angular position information and described current parameters information are sent to described air conditioner operation parameters monitoring equipment.
4. method as claimed in claim 3, is characterized in that, describedly drives the rotor of described compressor to rotate by described drive current, detects the actual angle positional information that described rotor is corresponding, specifically comprises:
Determine the rotor rotating speed that described drive current is corresponding when driving described rotor to rotate;
The actual angle positional information that described rotor is corresponding is determined according to described rotor rotating speed.
5. method as claimed in claim 4, is characterized in that, the misalignment angle that described reception described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information specifically comprises:
The first angle position parameter that described estimation angular position information is corresponding and the second angle position parameter corresponding with described actual angle positional information is determined by described air conditioner operation parameters monitoring equipment;
Receive from described air conditioner operation parameters monitoring equipment, the described misalignment angle determined according to described first angle position parameter and described second angle position parameter.
6. method as claimed in claim 5, is characterized in that, described according to described misalignment angle, controls the angle position of described compressor to described rotor and adjusts, specifically comprise:
Determine whether described misalignment angle is greater than or less than predetermined angle threshold value;
If be greater than or less than, according to described misalignment angle, described rotor is adjusted, to make the actual angle positional information that the described rotor after adjustment is corresponding identical with described estimation angular position information.
7. a compressor adjusting device, is characterized in that, comprising:
Test signal determining unit, for determining the drive current that the pulse voltage signal of the compressor inputted in described air-conditioning equipment is corresponding;
Transmitting element, for being sent to function test system FCT by current parameters information corresponding for described drive current;
Test cell, for driving the rotor in described compressor to rotate by described drive current, detects the actual angle positional information that described rotor is corresponding, and described actual angle positional information is sent to described air conditioner operation parameters monitoring equipment;
Described test cell is also for receiving the misalignment angle that described air conditioner operation parameters monitoring equipment is determined based on estimating angular position information to test described actual angle positional information; Wherein, described estimation angular position information is the information of the angle position of the described rotor that described compressor is determined according to described pulse voltage signal;
Adjustment unit, for according to described misalignment angle, controls the angle position of described compressor to described rotor and adjusts.
8. device as claimed in claim 7, is characterized in that, described test signal determining unit specifically for:
The described pulse voltage signal of the described compressor of input is obtained by the drive plate in described compressor;
Described pulse voltage signal is converted to the drive current of the rotor driving described compressor.
9. device as claimed in claim 8, is characterized in that, described transmitting element specifically for:
Control described compressor and determine the estimation angular position information corresponding with described rotor according to described drive current;
Control described drive plate and described estimation angular position information and described current parameters information are sent to described air conditioner operation parameters monitoring equipment.
10. device as claimed in claim 9, is characterized in that, described test cell concrete also for:
Determine the rotor rotating speed that described drive current is corresponding when driving described rotor to rotate;
The actual angle positional information that described rotor is corresponding is determined according to described rotor rotating speed.
11. devices as claimed in claim 10, is characterized in that, described test cell concrete also for:
The first angle position parameter that described estimation angular position information is corresponding and the second angle position parameter corresponding with described actual angle positional information is determined by described air conditioner operation parameters monitoring equipment;
Receive from described air conditioner operation parameters monitoring equipment, the described misalignment angle determined according to described first angle position parameter and described second angle position parameter.
12. devices as claimed in claim 11, is characterized in that, described adjustment unit specifically for:
Determine whether described misalignment angle is greater than or less than predetermined angle threshold value;
If be greater than or less than, according to described misalignment angle, described rotor is adjusted, to make the actual angle positional information that the described rotor after adjustment is corresponding identical with described estimation angular position information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410515949.5A CN104362931B (en) | 2014-09-29 | 2014-09-29 | A kind of method and compressor adjusting apparatus for adjusting compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410515949.5A CN104362931B (en) | 2014-09-29 | 2014-09-29 | A kind of method and compressor adjusting apparatus for adjusting compressor |
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| CN104362931A true CN104362931A (en) | 2015-02-18 |
| CN104362931B CN104362931B (en) | 2017-12-26 |
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| CN201410515949.5A Active CN104362931B (en) | 2014-09-29 | 2014-09-29 | A kind of method and compressor adjusting apparatus for adjusting compressor |
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