CN202305727U - Forward-reverse inlay detecting device for coils - Google Patents
Forward-reverse inlay detecting device for coils Download PDFInfo
- Publication number
- CN202305727U CN202305727U CN2011203967780U CN201120396778U CN202305727U CN 202305727 U CN202305727 U CN 202305727U CN 2011203967780 U CN2011203967780 U CN 2011203967780U CN 201120396778 U CN201120396778 U CN 201120396778U CN 202305727 U CN202305727 U CN 202305727U
- Authority
- CN
- China
- Prior art keywords
- step motor
- hall element
- coil
- stator
- inlay
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a forward-reverse inlay detecting device for coils, relating to a motor detecting device. The existing forward-reverse inlay testing method for the coils is that a stator is put into a testboard, a real rotor is put into an inner hole, the coils are charged with an alternating current, the rotor is enabled to rotate and whether a downwards reversing phenomenon exists or not is judged by the testboard, the method has poor accuracy, judgment leakage phenomena frequently occur and the quality of a motor cannot be guaranteed. The forward-reverse inlay detecting device comprises a power supply device, a stepping motor, a Hall sensor arranged at a shaft extension end of the stepping motor, an analog-to-digital (A/D) converter connected with the Hall sensor, a processor used for distinguishing forward-reverse inlay of the coils according to a signal of the Hall sensor, and a driving controller connected with the stepping motor, wherein the A/D converter is connected with the processor. The detection is convenient, the accuracy is high, and the quality of the motor is guaranteed.
Description
Technical field
The utility model relates to a kind of motor detection apparatus.
Background technology
Owing to through regular meeting some or several coils anti-problem that rolls off the production line down takes place in the single-phase stator during in enormous quantities operation; Existing method of testing: stator is put into test board; Endoporus is put into rotor in kind; Coil feeds alternating current, makes the rotor rotation, and test board judges through gathering the capacitance terminal voltage swing whether auxiliary winding has anti-phenomenon down; Judge through gathering input current whether main winding has anti-phenomenon down.The phenomenon of failing to judge often appears in this method low precision, can't guarantee the motor quality.
The utility model content
The technical matters that the utility model will solve and the technical assignment of proposition are that the prior art scheme is improved and improved, and provide a kind of coil positive and negative embedding pick-up unit, to reach the purpose that improves detection accuracy.For this reason, the utility model is taked following technical scheme.
The positive and negative embedding pick-up unit of a kind of coil; It is characterized in that: comprise being used for being connected for galvanic electric supply installation, the step motor that can insert stator center, the Hall element of being located at step motor shaft extension end, the analog to digital converter that is connected with Hall element with coil, being used for differentiating the processor of the positive and negative embedding of coil, the driving governor that is connected with step motor that described analog to digital converter links to each other with processor according to the signal of Hall element.In stator center a step motor is set; Step motor shaft extension end is loaded onto Hall element; Coil is fed direct current and since the direction of current decision N, the S polarity of corresponding winding, make step motor rotate a circle; Hall element magnetic test coil N, S alternate, and through analog to digital converter voltage signal is converted into and sends into processor after the high-low level digital signal and judge.Easy to detect, accuracy is high, guarantees the quality of motor.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature.
Pick-up unit also comprises the ring-type stator holder that is used for fixing stator and is positioned at the middle step motor holder of stator fixed mount; Be provided with the container cavity that matches with step motor in the middle of the described step motor holder, the non-shaft stretching end of step motor inserts in the container cavity of step motor holder.
Described step motor shaft extension end is provided with an overhanging linking arm, and an end of described linking arm is provided with Hall element.
Described linking arm is strip; It divides two sections; Be respectively step motor linkage section and Hall element linkage section, mounting hole is offered at the middle part of step motor linkage section, and a screw passes mounting hole and step motor shaft extension end is spirally connected; The Hall element linkage section is established screw, and Hall element is connected with the Hall element linkage section through screw.The center of screw and linking arm mounting hole engages adjustable Hall element and step motor makes Hall element obtain voltage signal preferably, to be suitable for different stator coils.
Beneficial effect: utilize the magnetic strength characteristic of Hall element, magnetic test coil N, S alternate, and through analog to digital converter voltage signal is converted into and sends into processor after the high-low level digital signal and differentiate the whether requirement up to specification of coil electricity direction.Easy to detect, accuracy is high, guarantees the quality of motor.
Description of drawings
Fig. 1 is the utility model sectional structure synoptic diagram.
Fig. 2 is the utility model plan structure synoptic diagram.
Among the figure: 1-stator holder, 2-stator, 3-coil, 4-step motor holder, 5-step motor, 6-linking arm, 7-Hall element.
Embodiment
Below in conjunction with Figure of description the technical scheme of the utility model is done further detailed description.
Like Fig. 1, shown in 2; Coil 3 positive and negative embedding pick-up units comprise and are used for being connected for galvanic electric supply installation, the step motor 5 that can insert stator 2 centers, the Hall element 7 of being located at step motor 5 shaft extension ends, the analog to digital converter that is connected with Hall element 7 with coil 3, being used for differentiating processor, the driving governor that is connected with step motor 5, ring-type stator 2 holders 1 that are used for fixing stator 2 of coil 3 positive and negative embeddings and being positioned at the middle step motor holder 4 of stator 2 fixed mounts according to the signal of Hall element 7; Be provided with the container cavity that matches with step motor 5 in the middle of the step motor holder 4, the non-shaft stretching end of step motor 5 inserts in the container cavity of step motor holder 4.Analog to digital converter links to each other with processor.Step motor 5 shaft extension ends are provided with an overhanging linking arm 6, and an end of linking arm 6 is provided with Hall element 7.Linking arm 6 is strip; It divides two sections; Be respectively step motor linkage section and Hall element linkage section, mounting hole is offered at the middle part of step motor linkage section, and a screw passes mounting hole and step motor 5 shaft extension ends are spirally connected; The Hall element linkage section is established screw, and Hall element 7 is connected with the Hall element linkage section through screw.
The detection step of the positive and negative embedding pick-up unit of coil:
1) adorns stator to be measured and put into stator holder, in the step motor holder, insert the step motor of band Hall element;
2) electric supply installation is electrically connected with the coil of stator to be measured;
3) driving governor control step motor rotation, Hall element produces voltage signal;
4) analog to digital converter is converted into the voltage signal of Hall element digital signal and gives processor;
5) processor is differentiated the positive and negative embedding of coil according to the signal of Hall element.
Claims (4)
1. positive and negative embedding pick-up unit of coil; It is characterized in that: comprise be used for being connected with coil (3) for galvanic electric supply installation, the step motor (5) that can insert stator (2) center, the Hall element (7) of being located at step motor (5) shaft extension end, the analog to digital converter that is connected with Hall element (7), be used for according to the signal of Hall element (7) differentiate the positive and negative embedding of coil (3) processor, with the driving governor that step motor (5) is connected, described analog to digital converter links to each other with processor.
2. the positive and negative embedding pick-up unit of a kind of coil according to claim 1; It is characterized in that: pick-up unit also comprises the ring-type stator holder (1) that is used for fixing stator (2) and is positioned at the middle step motor holder (4) of stator (2) fixed mount; Be provided with the container cavity that matches with step motor (5) in the middle of the described step motor holder (4), the non-shaft stretching end of step motor (5) inserts in the container cavity of step motor holder (4).
3. the positive and negative embedding pick-up unit of a kind of coil according to claim 2 is characterized in that: described step motor (5) shaft extension end is provided with an overhanging linking arm (6), and an end of described linking arm (6) is provided with Hall element (7).
4. the positive and negative embedding pick-up unit of a kind of coil according to claim 3; It is characterized in that: described linking arm (6) is strip, and it divides two sections, is respectively step motor linkage section and Hall element linkage section; Mounting hole is offered at the middle part of step motor linkage section; One screw passes mounting hole and step motor (5) shaft extension end is spirally connected, and the Hall element linkage section is established screw, and Hall element (7) is connected with the Hall element linkage section through screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203967780U CN202305727U (en) | 2011-10-18 | 2011-10-18 | Forward-reverse inlay detecting device for coils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203967780U CN202305727U (en) | 2011-10-18 | 2011-10-18 | Forward-reverse inlay detecting device for coils |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305727U true CN202305727U (en) | 2012-07-04 |
Family
ID=46374599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203967780U Expired - Lifetime CN202305727U (en) | 2011-10-18 | 2011-10-18 | Forward-reverse inlay detecting device for coils |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305727U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103744033A (en) * | 2014-01-10 | 2014-04-23 | 柳州杰诺瑞汽车电器系统制造有限公司 | Detection device for stator magnetic field of starter |
| CN104898060A (en) * | 2015-06-18 | 2015-09-09 | 青岛艾诺智能仪器有限公司 | Device and method of rapidly detecting backward installed stator coil |
-
2011
- 2011-10-18 CN CN2011203967780U patent/CN202305727U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103744033A (en) * | 2014-01-10 | 2014-04-23 | 柳州杰诺瑞汽车电器系统制造有限公司 | Detection device for stator magnetic field of starter |
| CN104898060A (en) * | 2015-06-18 | 2015-09-09 | 青岛艾诺智能仪器有限公司 | Device and method of rapidly detecting backward installed stator coil |
| CN104898060B (en) * | 2015-06-18 | 2018-08-07 | 青岛艾诺智能仪器有限公司 | The anti-loaded device for fast detecting of stator coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Co-patentee after: Zhejiang Wolong Household Electric Machinery Co., Ltd. Patentee after: Wolong Electric Drive Group Co., Ltd. Address before: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Co-patentee before: Zhejiang Wolong Household Electric Machinery Co., Ltd. Patentee before: Wolong Electric Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |