CN104898060A - Device and method of rapidly detecting backward installed stator coil - Google Patents
Device and method of rapidly detecting backward installed stator coil Download PDFInfo
- Publication number
- CN104898060A CN104898060A CN201510339953.5A CN201510339953A CN104898060A CN 104898060 A CN104898060 A CN 104898060A CN 201510339953 A CN201510339953 A CN 201510339953A CN 104898060 A CN104898060 A CN 104898060A
- Authority
- CN
- China
- Prior art keywords
- stator coil
- loaded
- shaft coupling
- controller
- hall element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
This invention discloses a device and method of rapidly detecting a backward installed stator coil. The device includes a supporting plate and an electric motor fixed to the bottom surface of the supporting plate. The power take-off shaft of the electric motor is connected to a coupler; the supporting plate is provided with a coupling hole. The coupler penetrates the coupling hole and extends above the top surface of the supporting plate; the free end of the coupler is fixedly provided with a dual Hall sensor. The top surface of the supporting plate is fixedly provided with a reset switch. The coupler is fixedly provided with a bulge structure. Around the coupling hole on the top surface of the supporting plate, a supporting bracket used for supporting a stator coil is fixed. The reset switch, the electric motor and the dual Hall sensor are all in electric connection with the controller. The detection device determines the information of a stator coil magnet field by analyzing electrical signal waveform so as to detect whether a stator coil is backward installed. The detection device has a simple structure, can check the stator coil directly to avoid discovery of backward installation after assembling of the electric motor, and is fast and convenient to detect.
Description
Technical field
The invention belongs to stator coil pick-up unit, specifically, relate to the anti-loaded device for fast detecting of a kind of stator coil and detection method.
Background technology
Asynchronous machine in process of production, due to the error of direct labor, likely there is all or part of de-embedding of stator winding, or winding draws the phenomenon of wiring error, generation motor start-up difficulty, motor reversal, the electric current connect in that group winding of counterelement is larger, and motor generation abnormal voice also acutely shakes.If power-off is shut down not in time, electrical speed declines, and motor stator winding can be burnt very soon.
Stator winding is the chief component of motor, is also that motor the most easily damages and cause the parts of fault.Existing detection method in actual applications, often needs to remove motor, or can find winding mistake when motor produces fault by the time in production application.Motor stator, mainly after motor breaks down, takes out by detection method, and after access direct supply, use needle to judge whether to there is winding de-embedding, make detection have hysteresis quality, motor is removed and re-assemblied and greatly loses time and energy.
At present another detection method is needle method of testing, and the method effect of needle test also has certain limitation, and needs larger voltage and the stronger needle of magnetic, in practical application and production, the validity of detection and poor in timeliness, lower efficiency greatly.
Summary of the invention
The present invention, in order to solve the existing problem not having the anti-loaded device for fast detecting of a kind of stator winding, proposes the anti-loaded device for fast detecting of a kind of stator coil and detection method, can solve the problem.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The anti-loaded device for fast detecting of a kind of stator coil, comprise brace table, be installed in the motor of described brace table lower surface, the power output shaft of motor is connected with shaft coupling, described brace table has coupler hole, described shaft coupling passes described coupler hole and extends to above the upper surface of brace table, the free end of described shaft coupling is fixed with two-way Hall element, the upper surface of described brace table is installed with reset switch, described shaft coupling is installed with bulge-structure, when described shaft coupling turns an angle according to direction initialization, described bulge-structure can trigger described reset switch, described in the upper surface ring of brace table, coupler hole is installed with the support ring frame for support stator coil, described reset switch, motor, and two-way Hall element is electrically connected with controller respectively.
Further, described in described brace table pressed on ring, coupler hole has circular arc cutaway, described circular arc cutaway is positioned at inside described support ring frame, described reset switch is positioned at the wherein an end portion of described circular arc cutaway, the anti-loaded device for fast detecting of described stator coil also comprises countervane, described countervane one end and described shaft coupling are fixed, and one end bends downwards and stretches in described circular arc cutaway in addition, and the connection electric wire between two-way Hall element and controller is fixed on described countervane.
Further, the outside surface of described two-way Hall element is also arranged with protective cover.
Further, described motor is stepper motor.
Further, described controller is DSP signal processor, and described two-way Hall element output detections signal is sent to described DSP signal processor successively after amplifying circuit, analog to digital conversion circuit.
Further, described bulge-structure is screw.
Further, described support ring frame comprises bracing frame and is installed in the support ring of support frame as described above upper surface, support frame as described above is installed on the upper surface of described brace table, and described support ring is ring texture, and the inner ring surface of described support ring has the boss for support stator coil.
The present invention proposes the anti-loaded method for quick of a kind of stator coil simultaneously, and comprise the anti-loaded device for fast detecting of stator coil above described in any one, determined subcoil is supported on described support ring frame, and described detection method comprises the following steps:
(1), motor drives shaft coupling to rotate according to the direction towards reset switch, and be installed in bulge-structure on shaft coupling and touch reset switch, described reset switch sends reset signal to controller, and described controller record current location is reference position;
(2), for determined subcoil applies direct current, stationary magnetic field is produced in determined subcoil, motor drives shaft coupling to drive two-way Hall element according to counter-rotation 180 degree, described two-way Hall element detects the magnetic direction in determined subcoil, and be converted to electric signal and be sent to described controller, according to the waveform of electric signal, described controller judges that whether determined subcoil is anti-loaded.
Further, also comprise the step of the reference waveform in measurement standard stator coil magnetic field before described step (1), in described step (2), whether anti-loaded the waveform of determined subcoil compared with reference waveform, is judged to measure subcoil by described controller.
Further again, in described step (2), controller by the waveform of determined subcoil compared with reference waveform, whether the magnitude of field intensity in same angle, direction unanimously judge that whether tested stator is qualified, if the same winding of determined subcoil is larger at same angular interval magnetic field strength differences, or direction is contrary, then judge that windings section is anti-loaded or all anti-loaded; If the waveform phase relation between the different windings of determined subcoil makes a mistake, then judge that magnetic field rotation direction mistake occurs this determined subcoil.
Compared with prior art, advantage of the present invention and good effect are: the anti-loaded device for fast detecting of stator coil of the present invention, by arranging two-way Hall element, detecting stator coil Magnetic Field, and being converted to electric signal, the information in stator coil magnetic field is judged by the waveform analyzing electric signal, and then whether can detect stator coil anti-loaded, structure of the detecting device is simple, directly detects stator coil, there will not be after being assembled into motor and just find anti-loaded problem, detect rapid and convenient.
After reading the detailed description of embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the part-structure schematic diagram of a kind of embodiment of the anti-loaded device for fast detecting of stator coil proposed by the invention;
Fig. 2 is the cross section view of a kind of embodiment of the anti-loaded device for fast detecting of stator coil proposed by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only 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.
Embodiment one, the present embodiment proposes the anti-loaded device for fast detecting of a kind of stator coil, as shown in Figure 1, comprise brace table 10, be installed in the motor 11 of described brace table 10 lower surface, the power output shaft 110 of motor is connected with shaft coupling 12, described brace table has coupler hole 101, described shaft coupling 12 passes described coupler hole 101 and extends to above the upper surface of brace table 10, the free end of described shaft coupling 12 is fixed with two-way Hall element 13, the upper surface of described brace table 10 is installed with reset switch 14, described shaft coupling 12 is installed with bulge-structure 15, when described shaft coupling 12 turns an angle according to direction initialization, described bulge-structure 15 can trigger described reset switch 14, described in the upper surface ring of brace table 10, coupler hole 101 is installed with the support ring frame 17 for support stator coil 16, described reset switch 14, motor 11, and two-way Hall element 13 is electrically connected with controller (due to not shown in angle cause chart 1) respectively.The anti-loaded device for fast detecting of stator coil of the present embodiment, by arranging two-way Hall element, detect stator coil Magnetic Field, and be converted to electric signal, the information in stator coil magnetic field is judged by the waveform analyzing electric signal, and then whether can detect stator coil anti-loaded, structure of the detecting device is simple, directly stator coil is detected, there will not be after being assembled into motor and just find anti-loaded problem, and then can avoid needing in prior art to remove motor, or the problem of winding mistake can be found when motor produces fault by the time.The determined subcoil of whole testing process is placed on support ring frame 17, without the need to rotating, drives two-way Hall element 13 to rotate by motor 11 by shaft coupling 12.Controller can automatic decision analysis, and detect reliable efficiency high, stator coil conveniently installs detection, rapid and convenient, greatly can improve detection efficiency.
Because two-way Hall element 13 needs to be connected with controller by electric wire, two-way Hall element 13 is along with shaft coupling 12 forward or rotate backward, electric wire is also corresponding along with two-way Hall element 13 forward or rotate backward, if things go on like this, the easy tangled up and knotted of electric wire, affect serviceable life, as a preferred embodiment, as shown in Figure 1, described in described brace table 10 pressed on ring, coupler hole 101 has circular arc cutaway 102, described circular arc cutaway 102 is positioned at inside described support ring frame 17, and be positioned at outside coupler hole 101, described reset switch 14 is positioned at the wherein an end portion of described circular arc cutaway 102, the anti-loaded device for fast detecting of stator coil of the present embodiment also comprises countervane 18, described countervane 18 one end and described shaft coupling 12 are fixed, one end bends downwards and stretches in described circular arc cutaway 102 in addition, connection electric wire between two-way Hall element 13 and controller is fixed on described countervane 18, countervane 18 can rotate together along with shaft coupling 12, be limited between its rotational area in circular arc cutaway 102, by the electric wire of two-way Hall element 13 and countervane 18 are fixed, the effect of guiding can be played for electric wire, can effectively prevent the situation of wire intertwist in shaft coupling 12 rotation process from occurring.
The outside surface of described two-way Hall element 13 is also arranged with protective cover 19, this protective cover 19 preferably adopts the higher nylon of the class of insulation to process, there are following two kinds of effects: (1) protection Hall element 13, when preventing Hi-pot test, the stator 16 of access high-pressure side contacts with Hall element 13 and causes Hall element 13 to be damaged by high pressure; (2) guide effect, the external diameter of protective cover 19 processes according to the internal diameter of tested stator 16, is placed on after on protective cover 19 by stator 16 during test, can ensure that all stators 16 are consistent with the relative position of Hall element 13, ensures the consistance of test effect.
In the present embodiment, bulge-structure 15 in along with shaft coupling 12 rotation process for touching reset switch 14, reference position is demarcated for controller, conveniently realize, preferred described bulge-structure 15 is screw, its radial component along shaft coupling 12 is embedded shaft coupling, and the part that outside is stretched out can touch reset switch 14 when shaft coupling 12 rotates.It should be noted that, when shaft coupling 12 drives bulge-structure 15 and countervane 18 moves towards reset switch 14, first bulge-structure 15 touches reset switch 14, namely completes reset, and therefore countervane 18 now at least has some distances apart from circular arc cutaway 102.
Conveniently motor can drive two-way Hall element 13 to rotate accurate step number, and described motor preferably adopts stepper motor to realize.
As shown in Figure 2, described support ring frame 17 comprises bracing frame 171 and is installed in the support ring 172 of support frame as described above 171 upper surface, support frame as described above 171 is installed on the upper surface of described brace table 10, described support ring 172 is ring texture, the inner ring surface of described support ring 172 has the boss 173 for support stator coil 16, boss 173 distance protection cover 19 has space, it is outside that stator coil 16 is enclosed within protective cover 19, supported by boss 173, can freely stator coil 16 be installed or take off.
Described controller is DSP signal processor, and described two-way Hall element 13 output detections signal is sent to described DSP signal processor successively after amplifying circuit, analog to digital conversion circuit.
The anti-loaded device for fast detecting of stator coil based on embodiment one, the present embodiment proposes the anti-loaded method for quick of a kind of stator coil, comprise the anti-loaded device for fast detecting of stator coil in embodiment one, determined subcoil 16 is supported on described support ring frame, and described detection method comprises the following steps:
S1, motor 11 drive shaft coupling 12 to rotate according to the direction towards reset switch 14, the bulge-structure 15 be installed on shaft coupling 12 touches reset switch 14, described reset switch 14 sends reset signal to controller, and described controller record current location is reference position;
S2, apply direct current for determined subcoil 16, stationary magnetic field is produced in determined subcoil 16, motor 11 drives shaft coupling 12 to drive two-way Hall element 13 according to counter-rotation 180 degree, described two-way Hall element 13 detects the magnetic direction in determined subcoil 16, and be converted to electric signal and be sent to described controller, according to the waveform of electric signal, described controller judges that whether determined subcoil is anti-loaded.
Preferably in the present embodiment, the step of the reference waveform in measurement standard stator coil magnetic field was also comprised before described step S1, in described step S2, whether anti-loaded the waveform of determined subcoil compared with reference waveform, is judged to measure subcoil by described controller.
Wherein, in described step S2, controller by the waveform of determined subcoil compared with reference waveform, whether the magnitude of field intensity in same angle, direction unanimously judge that whether tested stator is qualified, if the same winding of determined subcoil is larger at same angular interval magnetic field strength differences, or direction is contrary, then judge that windings section is anti-loaded or all anti-loaded; If the waveform phase relation between the different windings of determined subcoil makes a mistake, then judge that magnetic field rotation direction mistake occurs this determined subcoil.
Driving circuit drive motor 11 rotates 180 °, two-way Hall element 13 is preferably symmetrical two-way Hall element, therefore, only need rotate 180 °, wherein the magnetic field of 0-180 ° is detected on a road, the magnetic field on 180-360 road can be detected in an other road, the full stator coil magnetic field rotation direction of 16 1 weeks can be surveyed, the magnetic field rotation direction that can complete whole stator coil fast measures, without the need to model rotor, accurately find out whole line bag de-embedding and single bag de-embedding problem, and can also accurately locate de-embedding line bag by analysis waveform, be convenient to maintenance.In addition, also judge that the expection of motor turns to by analysis waveform, by analyzing the phase order relation of principal phase, parafacies waveform, the sense of rotation of the rotating magnetic field produced when can judge tested stator 16 indirect current, turning to after namely this stator 16 is assembled into motor.
Certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. the anti-loaded device for fast detecting of stator coil, it is characterized in that, comprise brace table, be installed in the motor of described brace table lower surface, the power output shaft of motor is connected with shaft coupling, described brace table has coupler hole, described shaft coupling passes described coupler hole and extends to above the upper surface of brace table, the free end of described shaft coupling is fixed with two-way Hall element, the upper surface of described brace table is installed with reset switch, described shaft coupling is installed with bulge-structure, when described shaft coupling turns an angle according to direction initialization, described bulge-structure can trigger described reset switch, described in the upper surface ring of brace table, coupler hole is installed with the support ring frame for support stator coil, described reset switch, motor, and two-way Hall element is electrically connected with controller respectively.
2. the anti-loaded device for fast detecting of stator coil according to claim 1, it is characterized in that, described in described brace table pressed on ring, coupler hole has circular arc cutaway, described circular arc cutaway is positioned at inside described support ring frame, described reset switch is positioned at the wherein an end portion of described circular arc cutaway, the anti-loaded device for fast detecting of described stator coil also comprises countervane, described countervane one end and described shaft coupling are fixed, one end bends downwards and stretches in described circular arc cutaway in addition, connection electric wire between two-way Hall element and controller is fixed on described countervane.
3. the anti-loaded device for fast detecting of stator coil according to claim 1 and 2, is characterized in that, the outside surface of described two-way Hall element is also arranged with protective cover.
4. the anti-loaded device for fast detecting of stator coil according to claim 1 and 2, is characterized in that, described motor is stepper motor.
5. the anti-loaded device for fast detecting of stator coil according to claim 1 and 2, it is characterized in that, described controller is DSP signal processor, and described two-way Hall element output detections signal is sent to described DSP signal processor successively after amplifying circuit, analog to digital conversion circuit.
6. the anti-loaded device for fast detecting of stator coil according to claim 1 and 2, is characterized in that, described bulge-structure is screw.
7. the anti-loaded device for fast detecting of stator coil according to claim 1 and 2, it is characterized in that, described support ring frame comprises bracing frame and is installed in the support ring of support frame as described above upper surface, support frame as described above is installed on the upper surface of described brace table, described support ring is ring texture, and the inner ring surface of described support ring has the boss for support stator coil.
8. the anti-loaded method for quick of stator coil, is characterized in that, comprise the anti-loaded device for fast detecting of stator coil described in any one of claim 1-7, determined subcoil is supported on described support ring frame, and described detection method comprises the following steps:
(1), motor drives shaft coupling to rotate according to the direction towards reset switch, and be installed in bulge-structure on shaft coupling and touch reset switch, described reset switch sends reset signal to controller, and described controller record current location is reference position;
(2), for determined subcoil applies direct current, stationary magnetic field is produced in determined subcoil, motor drives shaft coupling to drive two-way Hall element according to counter-rotation 180 degree, described two-way Hall element detects the magnetic direction in determined subcoil, and be converted to electric signal and be sent to described controller, according to the waveform of electric signal, described controller judges that whether determined subcoil is anti-loaded.
9. the anti-loaded method for quick of stator coil according to claim 8, it is characterized in that, the step of the reference waveform in measurement standard stator coil magnetic field was also comprised before described step (1), in described step (2), whether anti-loaded the waveform of determined subcoil compared with reference waveform, is judged to measure subcoil by described controller.
10. the anti-loaded method for quick of stator coil according to claim 9, it is characterized in that, in described step (2), controller by the waveform of determined subcoil compared with reference waveform, whether the magnitude of field intensity in same angle, direction unanimously judge that whether tested stator is qualified, if the same winding of determined subcoil is comparatively large at same angular interval magnetic field strength differences, or direction is contrary, then judge that windings section is anti-loaded or all anti-loaded; If the waveform phase relation between the different windings of determined subcoil makes a mistake, then judge that magnetic field rotation direction mistake occurs this determined subcoil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339953.5A CN104898060B (en) | 2015-06-18 | 2015-06-18 | The anti-loaded device for fast detecting of stator coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339953.5A CN104898060B (en) | 2015-06-18 | 2015-06-18 | The anti-loaded device for fast detecting of stator coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104898060A true CN104898060A (en) | 2015-09-09 |
| CN104898060B CN104898060B (en) | 2018-08-07 |
Family
ID=54030829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510339953.5A Active CN104898060B (en) | 2015-06-18 | 2015-06-18 | The anti-loaded device for fast detecting of stator coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104898060B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680657A (en) * | 2017-02-15 | 2017-05-17 | 苏州韦贝电机科技有限公司 | Detecting equipment for motor stator windings and corresponding detecting method thereof |
| CN109212412A (en) * | 2017-07-05 | 2019-01-15 | 致茂电子(苏州)有限公司 | Alternating current motor test device and alternating current motor test method |
| CN110470986A (en) * | 2019-08-12 | 2019-11-19 | 上海翡叶动力科技有限公司 | A kind of electromechanical testing safety detection device and determination method |
| CN111707177A (en) * | 2020-06-22 | 2020-09-25 | 深圳核心医疗科技有限公司 | Hall signal calibration device and assembly method thereof, and calibration method of Hall signal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1194589A (en) * | 1997-09-16 | 1999-04-09 | Hitachi Ltd | Measuring system of position of rotating shaft, magnetic bearing provided with the same, and synchronous motor |
| CN2760571Y (en) * | 2004-11-27 | 2006-02-22 | 重庆宗申技术开发研究有限公司 | Magnetor stator testing device |
| CN102338841A (en) * | 2011-10-18 | 2012-02-01 | 卧龙电气集团股份有限公司 | Coil positive and negative embedding detection device and method |
| CN202305727U (en) * | 2011-10-18 | 2012-07-04 | 卧龙电气集团股份有限公司 | Forward-reverse inlay detecting device for coils |
| CN103475165A (en) * | 2013-09-05 | 2013-12-25 | 浙江大学 | Asynchronous motor winding reverse embedment detection device based on single-chip microcomputer development board |
| CN103529385A (en) * | 2012-07-04 | 2014-01-22 | 赐福科技股份有限公司 | Motor winding detection device |
| CN103954881A (en) * | 2014-04-03 | 2014-07-30 | 贵州航天林泉电机有限公司 | Device for detecting winding direction of winding of brushless motor |
-
2015
- 2015-06-18 CN CN201510339953.5A patent/CN104898060B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1194589A (en) * | 1997-09-16 | 1999-04-09 | Hitachi Ltd | Measuring system of position of rotating shaft, magnetic bearing provided with the same, and synchronous motor |
| CN2760571Y (en) * | 2004-11-27 | 2006-02-22 | 重庆宗申技术开发研究有限公司 | Magnetor stator testing device |
| CN102338841A (en) * | 2011-10-18 | 2012-02-01 | 卧龙电气集团股份有限公司 | Coil positive and negative embedding detection device and method |
| CN202305727U (en) * | 2011-10-18 | 2012-07-04 | 卧龙电气集团股份有限公司 | Forward-reverse inlay detecting device for coils |
| CN103529385A (en) * | 2012-07-04 | 2014-01-22 | 赐福科技股份有限公司 | Motor winding detection device |
| CN103475165A (en) * | 2013-09-05 | 2013-12-25 | 浙江大学 | Asynchronous motor winding reverse embedment detection device based on single-chip microcomputer development board |
| CN103954881A (en) * | 2014-04-03 | 2014-07-30 | 贵州航天林泉电机有限公司 | Device for detecting winding direction of winding of brushless motor |
Non-Patent Citations (1)
| Title |
|---|
| 钟昱炜 等: "基于stm32的异步电机反嵌绕组检测方法", 《电子世界》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680657A (en) * | 2017-02-15 | 2017-05-17 | 苏州韦贝电机科技有限公司 | Detecting equipment for motor stator windings and corresponding detecting method thereof |
| CN106680657B (en) * | 2017-02-15 | 2023-10-24 | 苏州绿控新能源科技有限公司 | Motor stator winding detection equipment and corresponding detection method thereof |
| CN109212412A (en) * | 2017-07-05 | 2019-01-15 | 致茂电子(苏州)有限公司 | Alternating current motor test device and alternating current motor test method |
| CN109212412B (en) * | 2017-07-05 | 2020-11-13 | 致茂电子(苏州)有限公司 | AC motor testing device and AC motor testing method |
| CN110470986A (en) * | 2019-08-12 | 2019-11-19 | 上海翡叶动力科技有限公司 | A kind of electromechanical testing safety detection device and determination method |
| CN111707177A (en) * | 2020-06-22 | 2020-09-25 | 深圳核心医疗科技有限公司 | Hall signal calibration device and assembly method thereof, and calibration method of Hall signal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104898060B (en) | 2018-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104898060A (en) | Device and method of rapidly detecting backward installed stator coil | |
| CN103954878B (en) | Collector ring rotating state electrical performance detecting device | |
| CN104767429A (en) | Brushless direct current motor power inverter power-on self-test device and self-test method | |
| CN204008953U (en) | A kind of detection system for motor stator winding | |
| CN109085447B (en) | Wind electric converter open-circuit fault detection method based on current amplitude | |
| CN202255446U (en) | Hall sensor detection device | |
| CN205027850U (en) | Anti - detection device that inlays of motor stator winding | |
| CN203850746U (en) | Cable protecting clamp | |
| CN211928156U (en) | Alternating current magnetic field experimental device for electric energy meter verification | |
| CN202305727U (en) | Forward-reverse inlay detecting device for coils | |
| CN103954881B (en) | Device for detecting winding direction of winding of brushless motor | |
| CN103606892A (en) | Motor control circuit | |
| CN215726052U (en) | Hall element detection device | |
| CN206057518U (en) | Coil winding of motor stator de-embedding detection means | |
| CN102338841A (en) | Coil positive and negative embedding detection device and method | |
| CN206922617U (en) | Wiring equipment | |
| CN104051993A (en) | Cable protecting clamp | |
| CN204989285U (en) | Closed -loop hall current sensor | |
| CN103475165A (en) | Asynchronous motor winding reverse embedment detection device based on single-chip microcomputer development board | |
| CN2752782Y (en) | DC electric machine rotor comprehensive testing instrument | |
| CN209673365U (en) | A kind of electric wind, which is blown, turns around life test machine | |
| CN103606893A (en) | Motor control circuit | |
| CN208172201U (en) | A kind of motor weatherometer and motor detection system | |
| CN202735462U (en) | Apparatus for detecting short circuit of rotor winding | |
| CN112362969B (en) | Phase detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: Building 1, Building 1, No. 134 Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province, 266101 Patentee after: Qingdao Ainuo Instrument Co.,Ltd. Address before: 266000 No. 134, Zhuzhou Road, Laoshan District, Qingdao, Shandong Patentee before: QINGDAO AINUO INSTRUMENT Co.,Ltd. |