CN205027850U - Anti - detection device that inlays of motor stator winding - Google Patents
Anti - detection device that inlays of motor stator winding Download PDFInfo
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- CN205027850U CN205027850U CN201520796098.6U CN201520796098U CN205027850U CN 205027850 U CN205027850 U CN 205027850U CN 201520796098 U CN201520796098 U CN 201520796098U CN 205027850 U CN205027850 U CN 205027850U
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Abstract
The utility model discloses an anti - detection device that inlays of motor stator winding, including motor, controller, be used for connecting stator winding's treatment circuit, the motor pass through motor -drive circuit with the controller is connected, the permanent magnet has set firmly on the output shaft of motor, the permanent magnet extends to in stator winding's the coil, the permanent magnet is in the drive of motor is in down stator winding's coil internal rotation, stator winding cutting magnetic induction line produce signal of telecommunication warp the treatment circuit send to the controller. The utility model discloses an anti - detection device that inlays of motor stator winding adopts the permanent magnet to the detection that stator winding turned over, has avoided use hall sensor to detect, can solve the broken string, leak and examine the scheduling problem.
Description
Technical field
The utility model relates to electric machines test technical field, specifically, relates to a kind of motor stator winding de-embedding pick-up unit.
Background technology
Motor in process of production, due to the reason such as error of direct labor, likely there is stator winding de-embedding and winding wrong problem, or winding draws the phenomenon of wiring error, the abnormal vibrations of electric motor starting difficulty, motor may be there are, three-phase output current is unbalance, even can cause winding with etc. a series of problem.
The method of existing inspection stator winding de-embedding is the method adopting hall sensing, needs one section of cable to connect Hall chip and wiring board, the waveform of Hall collection is flowed to wiring board to hall sensing chip power supply simultaneously.The problem of this kind of detection method is: in user's use procedure; one side transmission cable is followed motor due to needs and is rotated; the situation of frequent appearance broken string; on the other hand due to the distance of reaction of hall sensing chip and induction limited; cannot check for some single bag de-embeddings, erroneous judgement often be there will be for the stator that some windings are less simultaneously or judge the situation of not out de-embedding.
Summary of the invention
The utility model easily causes broken string or undetected problem to solve the detection of existing stator winding de-embedding, proposes a kind of motor stator winding de-embedding pick-up unit, can solve the problem.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of motor stator winding de-embedding pick-up unit, comprise motor, controller, treatment circuit for connecting stator winding, described motor is connected with described controller by motor-drive circuit, the output shaft of described motor is installed with permanent magnet, described permanent magnet extends in the coil of described stator winding, described permanent magnet rotates under the driving of described motor in the coil of described stator winding, and stator winding cutting magnetic induction line produces electric signal and is sent to described controller through described treatment circuit.
Further, described treatment circuit comprises the filtering circuit, amplifying circuit and the A/D change-over circuit that connect in turn, and described filtering circuit is connected with stator winding, and described A/D change-over circuit is connected with described controller.
Further, described controller is DSP single-chip microcomputer.
Further, described motor is stepper motor.
Compared with prior art, advantage of the present utility model and good effect are: motor stator winding de-embedding pick-up unit of the present utility model, utilize sine voltage signal principle generation rule during stator winding cutting magnetic induction line, by detecting the waveform voltage signal of analysis stator winding cutting magnetic induction line generation and then realizing judging the detection of stator winding de-embedding, avoid and use Hall element to detect, broken string can be solved, the problem such as undetected, and, permanent magnet is used to check de-embedding and rotation direction according to the principle of electromagnetic induction, its induction and effect better, correct inspection can go out single bag de-embedding motor stator winding de-embedding less with some windings, relative to the mode better effects if of Hall inspection, frock is more simply good.
After reading the detailed description of the utility model embodiment by reference to the accompanying drawings, other features of the present utility model and advantage 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 a kind of embodiment functional-block diagram of the motor stator winding de-embedding pick-up unit that the utility model proposes.
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 a kind of motor stator winding de-embedding pick-up unit, as shown in Figure 1, comprise motor M, controller, treatment circuit for connecting stator winding, described motor M is connected with described controller by motor-drive circuit, the output shaft of described motor is installed with permanent magnet R, described permanent magnet R extends in the coil of described stator winding, described permanent magnet R rotates under the driving of described motor M in the coil of described stator winding, and stator winding cutting magnetic induction line produces electric signal and is sent to described controller through described treatment circuit.The motor stator winding de-embedding pick-up unit of the present embodiment, controller controls motor and drives permanent magnet R to rotate in the coil of stator winding, stator winding cutting magnetic induction line, utilize sine voltage signal principle generation rule during stator winding cutting magnetic induction line, and the voltage signal of generation is sent to controller, by controller by detecting the waveform voltage signal of analysis stator winding cutting magnetic induction line generation and then realizing judging the detection of stator winding de-embedding, avoid and use Hall element to detect, broken string, the problem such as undetected can be solved.The motor stator winding de-embedding pick-up unit of the present embodiment, permanent magnet is used to check de-embedding and rotation direction according to the principle of electromagnetic induction, its induction and effect better, correct inspection can go out single bag de-embedding motor stator winding de-embedding less with some windings, recall rate is high, permanent magnet induction stator winding is used to eliminate the power supply of powering to winding and Hall element, more simplify from production and use, adopt permanent magnet relative to Hall element, permanent magnet endlessly damages, life-span is long, decreases the failure rate of equipment.
As a preferred embodiment, as shown in Figure 1, described treatment circuit comprises the filtering circuit, amplifying circuit and the A/D change-over circuit that connect in turn, and described filtering circuit is connected with stator winding, and described A/D change-over circuit is connected with described controller.Driven by motor permanent magnet rotates in the coil of stator winding, stator winding cutting magnetic induction line produces sinusoidal wave voltage signal and is sent to filtering circuit, filtering circuit is after receiving stator winding sine voltage signal, circuit first does bandpass filtering treatment, then be sent to and can automatically select the amplifying circuit of enlargement factor to amplify, after superpotential lifting, be sent to A/D change-over circuit again carry out analog to digital conversion, sine wave signal is converted to corresponding square wave, then the square wave after conversion is sent to controller and is processed by AD, wherein, A/D change-over circuit can adopt AD3548 chip to realize, described motor M preferably adopts and controls the accurate stepper motor of step number.
Preferably in the present embodiment, described controller adopts DSP chip microcontroller, to need first an intact stator winding to be carried out waveform acquisition before de-embedding and be stored into DSP single-chip microcomputer detecting, in test process, the waveform finally received and the correct waveform starting most to preserve compare by DSP, confirming whether tested stator exists de-embedding, judging rotation direction by contrasting with the phasing degree of precision waveform simultaneously.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (4)
1. a motor stator winding de-embedding pick-up unit, it is characterized in that: comprise motor, controller, treatment circuit for connecting stator winding, described motor is connected with described controller by motor-drive circuit, the output shaft of described motor is installed with permanent magnet, described permanent magnet extends in the coil of described stator winding, described permanent magnet rotates under the driving of described motor in the coil of described stator winding, and stator winding cutting magnetic induction line produces electric signal and is sent to described controller through described treatment circuit.
2. motor stator winding de-embedding pick-up unit according to claim 1, it is characterized in that: described treatment circuit comprises the filtering circuit, amplifying circuit and the A/D change-over circuit that connect in turn, described filtering circuit is connected with stator winding, and described A/D change-over circuit is connected with described controller.
3. motor stator winding de-embedding pick-up unit according to claim 1 and 2, is characterized in that: described controller is DSP single-chip microcomputer.
4. motor stator winding de-embedding pick-up unit according to claim 1 and 2, is characterized in that: described motor is stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796098.6U CN205027850U (en) | 2015-10-15 | 2015-10-15 | Anti - detection device that inlays of motor stator winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796098.6U CN205027850U (en) | 2015-10-15 | 2015-10-15 | Anti - detection device that inlays of motor stator winding |
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| Publication Number | Publication Date |
|---|---|
| CN205027850U true CN205027850U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520796098.6U Active CN205027850U (en) | 2015-10-15 | 2015-10-15 | Anti - detection device that inlays of motor stator winding |
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| CN (1) | CN205027850U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797020A (en) * | 2016-08-30 | 2018-03-13 | 上海锦科电气科技有限公司 | A kind of motor stator winding test system and method |
| 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 |
-
2015
- 2015-10-15 CN CN201520796098.6U patent/CN205027850U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797020A (en) * | 2016-08-30 | 2018-03-13 | 上海锦科电气科技有限公司 | A kind of motor stator winding test system and method |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |