CN102778252A - Automatic position sensor fine adjustment system and adjustment method - Google Patents
Automatic position sensor fine adjustment system and adjustment method Download PDFInfo
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- CN102778252A CN102778252A CN2012102891730A CN201210289173A CN102778252A CN 102778252 A CN102778252 A CN 102778252A CN 2012102891730 A CN2012102891730 A CN 2012102891730A CN 201210289173 A CN201210289173 A CN 201210289173A CN 102778252 A CN102778252 A CN 102778252A
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- rotary transformer
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Abstract
The invention discloses an automatic position sensor fine adjustment system and an adjustment method. The automatic position sensor fine adjustment system is characterized in that a rotary transformer is set to be a motor rotor position sensor, a rotary transformer rotor is detachably mounted on the back end of a motor rotor, and a rotary transformer stator is fixedly mounted on a back end cover of a motor; each phase wire of a motor controller with a decoding chip is correspondingly connected with each phase wire of the motor respectively, and a position signal input end of the motor controller is connected with a position signal output end of the rotary transformer; the motor controller communicates with a main control computer through a communication interface; and a correction shifting fork is provided with a rotatable shifting fork shaft, a shifting fork head fixedly connected to the front end of the shifting fork shaft is used for shifting the rotary transformer stator, a servo motor provides dynamic drive for the rotation of the shifting fork shaft, and a signal end of the servo motor is connected with a signal end of the motor controller. The automatic position sensor fine adjustment system ensures the position consistency of the rotary transformer mounted on the motor rotor and the consistency of the control effect of the motor controller on the motor, and is beneficial to industrialized production.
Description
Technical field
The present invention relates to a kind of position transducer accurate adjustment system, more precisely is a kind of manual position pick up calibration equipment and control method.
Background technology
The rotational speed strict synchronism of permanent-magnetic synchronous motor rotor rotational speed and stator field, the rotation of control permanent-magnetic synchronous motor rotor need be controlled the rotation of motor stator rotating magnetic field.The magnetic direction of rotor is consistent with the stator field direction; Utilize position transducer to detect the turned position of rotor; Rotor rotates the back and produces back electromotive force; The form of expression of generating kinetic potential is a sinusoidal waveform, and back emf waveform is corresponding one by one with the magnetic field position of rotor, and the magnetic field of rotor shows through the sinusoidal waveform that stator produces; Because the rotary transformer random installation is on rotor; The analog signal conversion that rotary transformer detects is that digital signal is shown as triangular waveform, and the waveform initial position of the initial position of triangular waveform and back electromotive force is not on same point, and this just need adjust the rotary transformer that is fixed on the rotor.Present most of producer mainly adopts observation triangular waveform and sine-shaped initial position to adjust the installation site of rotary transformer, and the precision of this method is restricted, and receives the influence of oscillograph resolution simultaneously, can not satisfy the production of industrialization.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, and a kind of automatic position transducer accurate adjustment system is provided, and to realize the accurate location of motor position sensor, guarantees that industrialization produces the zero-bit consistance of position transducer.
The present invention adopts following technical scheme for the technical solution problem:
The design feature of automated location sensor accurate adjustment of the present invention system is to comprise:
One rotary transformer, as the rotor-position sensor of motor, revolving of said rotary transformer becomes rotor through the removable rear end that is installed in the motor rotor of screw, and set that revolves of said rotary transformer is installed on the rear end cap of motor through screw retention;
One has the electric machine controller of decoding chip; The U of said electric machine controller, three phase lines of V and W respectively with U, three corresponding connections of phase line of V and W of motor, the position signalling input end of said electric machine controller is connected with the position signalling output terminal of said rotary transformer; Said electric machine controller carries out communication through communication interface and main control computer;
One calibration shift fork connects firmly at the declutch shift shaft front end, is used to stir and revolves the change rotor, rotates so that revolve the change rotor thereupon;
One servomotor is that the rotation of declutch shift shaft provides motorized motions through gear train, and the signal end of said servomotor is connected with the signal end of electric machine controller.
The characteristics of the control method of automated location sensor accurate adjustment of the present invention system are by following process operation:
A, the fixing annexation between rotary transformer and the motor; Electric machine controller converts the digital quantity position signalling through the inner decoding chip into revolving the analog quantity position signalling that becomes rotor in the detected rotary transformer; And constantly input to main control computer; Electric machine controller is imported to motor and is stopped after rotor that a WV makes motor rotates an angle, and the current location that the revolving of definition rotary transformer this moment becomes rotor and the difference of desired location are adjusted value;
B, fixed electrical machinery rotor do not rotate it, remove revolving of rotary transformer and become being connected between rotor and the rotor; Revolve the change rotor rotation by what the motor controller controls servomotor made calibration shift fork driven rotary transformer; When revolving the distance that becomes rotor rotation and adjusted value when consistent; Stop to calibrate the rotation of shift fork, and will revolve the rear end that the change rotor is fastened on rotor, adjustment finishes.
Compared with present technology; Beneficial effect of the present invention is embodied in: the present invention is through sending the setting voltage data; Automatically test out the initial position of rotary transformer, show through digital quantity to show high precision, high-level efficiency, and then improve whole efficiency and reliability that industrialization is produced.The inventive method is simple to operate, can greatly enhance productivity.
Description of drawings
Fig. 1 is the automatic identifying scheme of installation of the present invention;
Fig. 2 is an adjustment process scheme of installation of the present invention;
Label among the figure: 1 motor, 2 rotary transformers, 3 calibration shift forks, 4 gear trains, 5 electric machine controllers, 6 main control computers, 7 servomotors, 8 declutch shift shafts.
Embodiment
Referring to Fig. 1, Fig. 2, the structure setting of automated location sensor accurate adjustment system comprises in the present embodiment:
Rotary transformer 2 is the position transducers as motor 1 rotor, and the rotor of rotary transformer 2 is through the removable rear end that is installed in motor 1 rotor of screw, and the stator of rotary transformer 2 is installed on the rear end cap of motor 1 through screw retention;
One calibration shift fork 3 connects firmly at declutch shift shaft 8 front ends, is used to stir the rotor of rotary transformer 2, so that the rotor of rotary transformer 2 rotates thereupon;
One servomotor 7, be through gear train 4 for the rotation of declutch shift shaft 8 provides motorized motions, servomotor 7 signal ends are connected with the signal end communication of electric machine controller 5.
The control method of automated location sensor accurate adjustment system is by following process operation in the present embodiment:
Step 1, the fixing annexation between rotary transformer 2 and the motor 1; Electric machine controller 5 converts the digital quantity position signalling through the inner decoding chip into revolving the analog quantity position signalling that becomes rotor in the detected rotary transformer 2; And constantly input to main control computer 6; Electric machine controller 5 stops after motor 1 input one WV makes the rotor of motor 1 rotate an angle, and the current location of revolving the change rotor of definition rotary transformer 2 this moment and the difference of desired location are adjusted value;
About setting value; To the motor 1 of same money model and the electric machine controller 5 that is complementary with motor 1; Select arbitrary motor 1 that rotary transformer 2 is installed; As standard component, the relative position that becomes rotor with revolving of this standard component motor 1 rotor and rotary transformer 2 is as normal place with this motor 1 that installs rotary transformer 2; All adopt normal place to install to the motor of same model 1 and the installation of rotary transformer 2, the detection of relative position and adjustment are accomplished through accurate adjustment of the present invention system.
Claims (2)
1. automated location sensor accurate adjustment system is characterized in that comprising:
One rotary transformer (2); Rotor-position sensor as motor (1); Revolving of said rotary transformer (2) becomes rotor through the removable rear end that is installed in motor (1) rotor of screw, and set that revolves of said rotary transformer (2) is installed on the rear end cap of motor (1) through screw retention;
One has the electric machine controller (5) of decoding chip; The U of said electric machine controller (5), three phase lines of V and W respectively with U, three corresponding connections of phase line of V and W of motor (1), the position signalling input end of said electric machine controller (5) is connected with the position signalling output terminal of said rotary transformer (2); Said electric machine controller (5) carries out communication through communication interface and main control computer (6);
One calibration shift fork (3) connects firmly at declutch shift shaft (8) front end, is used to stir and revolves the change rotor, rotates so that revolve the change rotor thereupon;
One servomotor (7), for the rotation of declutch shift shaft (8) provides motorized motions, the signal end of said servomotor (7) is connected with the signal end of electric machine controller (5) through gear train (4).
2. the control method of the said automated location sensor of claim 1 an accurate adjustment system is characterized in that by following process operation:
A, the fixing annexation between rotary transformer (2) and the motor (1); Electric machine controller (5) converts the digital quantity position signalling through the inner decoding chip into revolving the analog quantity position signalling that becomes rotor in the detected rotary transformer (2); And constantly input to main control computer (6); Electric machine controller (5) stops after motor (1) input one WV makes the rotor of motor (1) rotate an angle, and the current location of revolving the change rotor of definition rotary transformer this moment (2) and the difference of desired location are adjusted value;
B, fixed electrical machinery rotor do not rotate it, remove revolving of rotary transformer (2) and become being connected between rotor and the rotor; Revolve the change rotor rotation by what electric machine controller (5) control servomotor (7) made calibration shift fork (3) driven rotary transformer (2); When revolving the distance that becomes rotor rotation and adjusted value when consistent; Stop to calibrate the rotation of shift fork (3), and will revolve the rear end that the change rotor is fastened on rotor, adjustment finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289173.0A CN102778252B (en) | 2012-08-14 | 2012-08-14 | Automatic position sensor fine adjustment system and adjustment method |
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| CN201210289173.0A CN102778252B (en) | 2012-08-14 | 2012-08-14 | Automatic position sensor fine adjustment system and adjustment method |
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| CN102778252A true CN102778252A (en) | 2012-11-14 |
| CN102778252B CN102778252B (en) | 2014-10-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934878A (en) * | 2014-02-03 | 2016-09-07 | 罗伯特·博世有限公司 | Method for calibrating an electric machine |
| CN106505810A (en) * | 2016-12-12 | 2017-03-15 | 奇瑞汽车股份有限公司 | Magneto assembles device |
| CN106877573A (en) * | 2017-03-29 | 2017-06-20 | 江苏金坛绿能新能源科技有限公司 | A kind of permagnetic synchronous motor rotation becomes to zero system and its to zero method |
| CN112631251A (en) * | 2020-12-16 | 2021-04-09 | 苏州绿控传动科技股份有限公司 | Installation error simulation device for rotary transformer |
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| US6084376A (en) * | 1998-06-09 | 2000-07-04 | Aspen Motion Technologies, Inc. | Low cost resolver system |
| CN101615825A (en) * | 2009-05-18 | 2009-12-30 | 奇瑞汽车股份有限公司 | A kind of rotating transformer of permanent magnet synchronous motor demarcation and zero-setting system and How It Works thereof |
| CN101924514A (en) * | 2010-09-30 | 2010-12-22 | 重庆长安汽车股份有限公司 | Rotary transformer initial position signal autocorrection method |
| CN202693028U (en) * | 2012-08-14 | 2013-01-23 | 安徽巨一自动化装备有限公司 | Automatic fine adjustment system for position sensor |
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| US4016470A (en) * | 1975-05-19 | 1977-04-05 | Xerox Corporation | Electrical centering and boring system for transducers |
| US6084376A (en) * | 1998-06-09 | 2000-07-04 | Aspen Motion Technologies, Inc. | Low cost resolver system |
| CN101615825A (en) * | 2009-05-18 | 2009-12-30 | 奇瑞汽车股份有限公司 | A kind of rotating transformer of permanent magnet synchronous motor demarcation and zero-setting system and How It Works thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934878A (en) * | 2014-02-03 | 2016-09-07 | 罗伯特·博世有限公司 | Method for calibrating an electric machine |
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| CN106505810A (en) * | 2016-12-12 | 2017-03-15 | 奇瑞汽车股份有限公司 | Magneto assembles device |
| CN106877573A (en) * | 2017-03-29 | 2017-06-20 | 江苏金坛绿能新能源科技有限公司 | A kind of permagnetic synchronous motor rotation becomes to zero system and its to zero method |
| CN112631251A (en) * | 2020-12-16 | 2021-04-09 | 苏州绿控传动科技股份有限公司 | Installation error simulation device for rotary transformer |
| CN112631251B (en) * | 2020-12-16 | 2023-02-28 | 苏州绿控传动科技股份有限公司 | Installation error simulation device for rotary transformer |
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| CN102778252B (en) | 2014-10-29 |
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Inventor after: Liu Lei Inventor after: Sun Chunzhe Inventor after: Xu Yi Inventor after: Chi Shihong Inventor after: Zhao Qianjian Inventor after: Ma Xianghong Inventor before: Lin Juguang Inventor before: Wang Shuwang Inventor before: Liu Lei Inventor before: Sun Chunzhe Inventor before: Xu Yi Inventor before: Chi Shihong Inventor before: Zhao Qianjian Inventor before: Ma Xianghong |
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Effective date of registration: 20160907 Address after: Baohe Industrial District of Hefei City, Anhui province 230051 Shanghai Road East Dalian Road Patentee after: HEFEI JUYI POWER SYSTEM CO., LTD. Address before: 230051 Anhui Province, Hefei City Industrial Park, Baohe Jianghuai heavy industry base Patentee before: Anhui Jee Automation Equipment Co., Ltd. |