CN202160086U - Motor with Hall element used on sewing machine - Google Patents
Motor with Hall element used on sewing machine Download PDFInfo
- Publication number
- CN202160086U CN202160086U CN2011202528926U CN201120252892U CN202160086U CN 202160086 U CN202160086 U CN 202160086U CN 2011202528926 U CN2011202528926 U CN 2011202528926U CN 201120252892 U CN201120252892 U CN 201120252892U CN 202160086 U CN202160086 U CN 202160086U
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- stator
- motor
- wiring board
- rotor
- circuit board
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- Expired - Lifetime
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Abstract
The utility model belongs to the technical field of a motor and especially discloses a motor with Hall elements used on a sewing machine The motor comprises a rotor and a stator. The stator is formed by stator punching sheets fixed on a coil frame, wherein stator coils are wound on the coil frame. The stator is sleeved outside the rotor. The stator and the rotor are arranged in the casing of the motor. The motor of the utility model is characterized in that one transverse plane of the coil frame is provided with a circuit board; insulated frames are disposed under the circuit board, among stator grooves formed between the adjacent stator punching sheets and near the end portion of the circuit board; the lower ends of the Hall elements are arranged in the insulated frames; the pins of the Hall elements are fixedly welded the on corresponding positions of the circuit board; the circuit board is connected with the stator coils; and an externally-connected phase wire and a grounding wire are led out outwardly from the circuit board. The Hall elements of the utility model can not be contacted with the rotor, are not liable to wear, are long in service life, high in technical level, compact in structure, convenient in mounting and dismounting and accurate in positioning, and are suitable for a sewing machine.
Description
Technical field:
The utility model belongs to technical field of motors, refers in particular to a kind of motor that has Hall element that is used on the sewing machine.
Background technology:
Hall is the common component that is used for induction machine upper rotor part position.At present, the fixed form of Hall commonly used have multiple, wherein commonly used a kind of be in the circuit board with the Hall welding, and wiring board is installed in the stator slot of motor, also to carry out gluing etc. and fix, dismounting is inconvenience very.The patent No. 200810062944.6 disclosed a kind of Hall device for DC brushless motor; Its structure is: Hall is weldingly fixed on the wiring board through the Hall pin; The inner ring end of the coil rack that stator punching is fixing along the circumferential direction is evenly equipped with the arc plush copper that some intervals are provided with; The location notch of formation and Hall match profiles between the adjacent arc plush copper, the lower end of Hall is engaged in the location notch.The wiring board of this structure need through and the coil rack end between installing hole or location hole etc. be fixed on an end of coil rack, the structure of coil rack end is comparatively complicated, has increased part complex manufacturing degree, dismounting inconvenience.
Summary of the invention:
The purpose of the utility model provides and a kind of Hall is arranged on motor internal, can accurately detect position of stator, Hall easy for installation be used for the motor that has Hall element on the sewing machine.
The utility model is achieved in that
A kind of motor that has Hall element that is used on the sewing machine comprises rotor and stator, and stator is that stator punching is fixed through coil rack and on coil rack, is arranged with stator coil and forms; Stator is set in outside the rotor; Stator and rotor are arranged in the motor casing, are provided with wiring board at an end face of coil rack, are provided with insulation framework in the end below the wiring board, near wiring board between the stator slot that forms of adjacent stator punching; The lower end of Hall element is arranged in the insulation framework; The pin of Hall element is weldingly fixed on the relevant position of wiring board, and wiring board is connected with stator coil, outwards leads to external phase line and ground wire on the wiring board.
Above-mentioned insulation framework is arranged between the stator slot that three adjacent stator punchings form near the end of wiring board, and each insulation framework is provided with a Hall element.
The utility model is compared the outstanding advantage of prior art:
1, the utility model reasonably is arranged on Hall element in the insulation framework between the stator slot of motor and with the wiring board that is arranged on the coil rack top and is connected, and Hall element can not contact rotor, can not be worn; Long service life, with high content of technology, be the main trend of brushless electric machine development; Outwards lead to external phase line and ground wire in the circuit board; Realize that phase line and ground wire are connected on the same wiring board compact conformation, easy accessibility;
2, the utility model produces magnetic field under the effect of electric current; Promotion rotor rotation is arranged on the Hall element magnetic links on the inductiopn rotor exactly in the stator slot, sends the signal of gathering (like rotor speed etc.) to controller; Do not need contraposition, accurate positioning;
3, the utility model is applicable on the sewing machine.
Description of drawings:
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the circuit diagram of the wiring board of the utility model.
Embodiment:
With specific embodiment the utility model is further described below, referring to Fig. 1-2:
A kind of motor that has Hall element that is used on the sewing machine comprises rotor and stator, and to be stator punching 10 through coil rack 20 fixing and on coil rack 20, be arranged with stator coil 30 forms for stator; Stator is set in outside the rotor; Stator and rotor are arranged in the motor casing 40, are provided with wiring board 50 in an end of coil rack 20, are provided with insulation framework 70 in the end below the wiring board 50, near wiring board 50 between the stator slot 60 that forms of adjacent stator punching 10; The lower end 81 of Hall element 80 is arranged in the insulation framework 70; The pin 82 of Hall element 80 is weldingly fixed on the relevant position of wiring board 50, and wiring board 50 is connected with stator coil 30, outwards leads to external phase line 90 and ground wire 100 on the wiring board 50; External phase line 90 includes the power line that drives Hall element 80 work; The holding wire that is connected with Hall element 80, and the driving power supply line of drive motors work, ground wire 100 can guarantee motor safety work.
Above-mentioned insulation framework 70 is arranged between the stator slot 60 of three adjacent stator punchings, 10 formation, and each insulation framework 70 is provided with a Hall element 80.
The wiring board 50 of the utility model is the arc wiring board; Be arranged on coil rack 20 tops, compact conformation is drawn external phase line 90 and ground wire 100 on wiring board 50; Wiring board 50 plays the effect of bridge joint; Can Hall element 80 reasonably be fixed on the stator, and after machine operation, the signal that Hall element 80 is gathered (like rotor speed etc.) sends controller to.
The foregoing description is merely one of preferred embodiment of the utility model; It is not the practical range that limits the utility model with this; So: the equivalence that all shapes according to the utility model, structure, principle are done changes, and all should be covered by within the protection range of the utility model.
Claims (2)
1. motor that has Hall element that is used on the sewing machine; Comprise rotor and stator; Stator is that stator punching is fixed through coil rack and on coil rack, is arranged with stator coil and forms, and stator is set in outside the rotor, and stator and rotor are arranged in the motor casing; It is characterized in that: the end face at coil rack is provided with wiring board; End below the wiring board, near wiring board between the stator slot that forms of adjacent stator punching is provided with insulation framework, and the lower end of Hall element is arranged in the insulation framework, and the pin of Hall element is weldingly fixed on the relevant position of wiring board; Wiring board is connected with stator coil, outwards leads to external phase line and ground wire on the wiring board.
2. a kind of motor that has Hall element that is used on the sewing machine according to claim 1; It is characterized in that: described insulation framework is arranged between the stator slot that three adjacent stator punchings form near the end of wiring board, and each insulation framework is provided with a Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202528926U CN202160086U (en) | 2011-07-16 | 2011-07-16 | Motor with Hall element used on sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202528926U CN202160086U (en) | 2011-07-16 | 2011-07-16 | Motor with Hall element used on sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202160086U true CN202160086U (en) | 2012-03-07 |
Family
ID=45767709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202528926U Expired - Lifetime CN202160086U (en) | 2011-07-16 | 2011-07-16 | Motor with Hall element used on sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202160086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839309A (en) * | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
| CN106149227A (en) * | 2016-06-28 | 2016-11-23 | 浙江琦星电子有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
-
2011
- 2011-07-16 CN CN2011202528926U patent/CN202160086U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839309A (en) * | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
| CN105839309B (en) * | 2016-06-02 | 2019-11-08 | 琦星智能科技股份有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
| CN106149227A (en) * | 2016-06-28 | 2016-11-23 | 浙江琦星电子有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yao Yuneng Inventor after: Li Zengling Inventor after: Li Bing Inventor before: Li Zengling Inventor before: Li Bing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI ZENGLING LI BING TO: YAO YUNENG LI ZENGLING LI BING |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |