CN202679197U - DC permanent magnetism brush motor - Google Patents
DC permanent magnetism brush motor Download PDFInfo
- Publication number
- CN202679197U CN202679197U CN 201220273320 CN201220273320U CN202679197U CN 202679197 U CN202679197 U CN 202679197U CN 201220273320 CN201220273320 CN 201220273320 CN 201220273320 U CN201220273320 U CN 201220273320U CN 202679197 U CN202679197 U CN 202679197U
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- capacitor
- motor body
- inductance
- motor
- termination
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Abstract
The utility model provides a DC permanent magnetism brush motor, comprising a motor body and a power supply input terminal. A filter circuit is provided between the motor body and the power supply input terminal. According to the DC permanent magnetism brush motor with the structure, the anti-electromagnetic interference capability is strong, and the third grade EMC can be resistant.
Description
Technical field:
The utility model relates to technical field of motors, specifically is a kind of DC permanent magnet brush motor.
Background technology:
At present, the DC permanent magnet brush motor generally is that the two ends of adopting DC power supply directly to be connected to motor body power to motor, do not have filter circuit, adopt this structure, originally without the filtering meeting other electromagnetic equipment is produced interference in the circuit, also can produce other electrical appliance in the circuit and disturb, anti-electromagnetic interference capability is poor.
The utility model content:
Main purpose of the present utility model is, overcomes existing technological deficiency, provides a kind of anti-electromagnetic interference capability strong DC permanent magnet brush motor.
The technical scheme that the utility model provides is: the utility model provides a kind of DC permanent magnet brush motor, and it comprises motor body and power input, also is provided with filter circuit between described motor body and the power input.
Described filter circuit comprises the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the first inductance L 1 and the second inductance L 2, the positive pole of described the first capacitor C 1 one termination power inputs, the negative pole of another termination power input, the positive pole of the first inductance L 1 one termination power inputs, one end of another termination motor body, the negative pole of the second inductance L 2 one termination power inputs, the other end of another termination motor body, one end of one termination motor body of the second capacitor C 2, the other end of another termination motor body, in parallel with the second capacitor C 2 after the 3rd capacitor C 3 and 4 series connection of the 4th capacitor C, the common end grounding of the 3rd capacitor C 3 and the 4th capacitor C 4.
Adopt said structure, the utlity model has following advantage:
Adopt the sort circuit structure, the 3rd capacitor C 3 connects with the 4th capacitor C 4, can filter the High-frequency Interference in the motor waveform, the circuit that the first capacitor C 1, the second capacitor C 2, the first inductance L 1 and the second inductance L 2 consist of can filter the low-frequency disturbance in the motor waveform, the interference of whole like this wave band can be by filtering, anti-electromagnetic interference capability is strong, can resist three grades of EMC.
Description of drawings:
Accompanying drawing is the circuit theory diagrams of the utility model DC permanent magnet brush motor;
1, power input, 2, filter circuit, 3, motor body.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is elaborated:
As shown in the figure: the utility model provides a kind of DC permanent magnet brush motor, and it comprises motor body 3 and power input 1, also is provided with filter circuit 2 between described motor body 3 and the power input 1.Described power input 1 is connected with DC power supply, and the positive pole of power input 1 connects positive source, and the negative pole of power input 1 connects power cathode.
Described filter circuit 2 comprises the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the first inductance L 1 and the second inductance L 2, the positive pole of described the first capacitor C 1 one termination power inputs 1, the negative pole of another termination power input 1, the positive pole of the first inductance L 1 one termination power inputs 1, one end of another termination motor body 3, the negative pole of the second inductance L 2 one termination power inputs 1, the other end of another termination motor body 3, one end of one termination motor body 3 of the second capacitor C 2, the other end of another termination motor body 3, in parallel with the second capacitor C 2 after the 3rd capacitor C 3 and 4 series connection of the 4th capacitor C, the common end grounding of the 3rd capacitor C 3 and the 4th capacitor C 4.
Operation principle of the present utility model is: the 3rd capacitor C 3 connects with the 4th capacitor C 4, and its common end grounding, can filter the High-frequency Interference in the motor waveform, the circuit that the first capacitor C 1, the second capacitor C 2, the first inductance L 1 and the second inductance L 2 consist of can filter the low-frequency disturbance in the motor waveform, adopt the two to connect the interference that to filter whole wave band.
Claims (2)
1. DC permanent magnet brush motor, it comprises motor body (3) and power input (1), it is characterized in that: also be provided with filter circuit (2) between described motor body (3) and the power input (1).
2. DC permanent magnet brush motor according to claim 1, it is characterized in that: described filter circuit (2) comprises the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the first inductance L 1 and the second inductance L 2, the positive pole of described the first capacitor C 1 one termination power inputs (1), the negative pole of another termination power input (1), the positive pole of the first inductance L 1 one termination power inputs (1), one end of another termination motor body (3), the negative pole of the second inductance L 2 one termination power inputs (1), the other end of another termination motor body (3), one end of one termination motor body (3) of the second capacitor C 2, the other end of another termination motor body (3), in parallel with the second capacitor C 2 after the 3rd capacitor C 3 and 4 series connection of the 4th capacitor C, the common end grounding of the 3rd capacitor C 3 and the 4th capacitor C 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273320 CN202679197U (en) | 2012-06-11 | 2012-06-11 | DC permanent magnetism brush motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273320 CN202679197U (en) | 2012-06-11 | 2012-06-11 | DC permanent magnetism brush motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679197U true CN202679197U (en) | 2013-01-16 |
Family
ID=47500071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220273320 Expired - Fee Related CN202679197U (en) | 2012-06-11 | 2012-06-11 | DC permanent magnetism brush motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679197U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743286A (en) * | 2016-03-02 | 2016-07-06 | 广州佳林医疗科技有限公司 | Electromagnetic compatibility (EMC) device of flusher |
| CN109245438A (en) * | 2018-09-08 | 2019-01-18 | 浙江胜华波电器股份有限公司 | Anti-interference motor brush controls route mechanism |
| CN109301893A (en) * | 2018-09-25 | 2019-02-01 | 惠州亿纬锂能股份有限公司 | The power supply device of multiband voltage output |
| CN109450177A (en) * | 2018-12-18 | 2019-03-08 | 常州亚美柯宝马电机有限公司 | A kind of anti-interference motor of anti-jamming circuit and automobile clean system |
| CN110007231A (en) * | 2019-05-06 | 2019-07-12 | 西安交通大学 | Series direct current arc method for measuring in brush direct current motor electric loop |
| WO2020035005A1 (en) * | 2018-08-16 | 2020-02-20 | 广东肇庆爱龙威机电有限公司 | Brushed direct-current electric motor |
-
2012
- 2012-06-11 CN CN 201220273320 patent/CN202679197U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743286A (en) * | 2016-03-02 | 2016-07-06 | 广州佳林医疗科技有限公司 | Electromagnetic compatibility (EMC) device of flusher |
| WO2020035005A1 (en) * | 2018-08-16 | 2020-02-20 | 广东肇庆爱龙威机电有限公司 | Brushed direct-current electric motor |
| CN109245438A (en) * | 2018-09-08 | 2019-01-18 | 浙江胜华波电器股份有限公司 | Anti-interference motor brush controls route mechanism |
| CN109301893A (en) * | 2018-09-25 | 2019-02-01 | 惠州亿纬锂能股份有限公司 | The power supply device of multiband voltage output |
| CN109450177A (en) * | 2018-12-18 | 2019-03-08 | 常州亚美柯宝马电机有限公司 | A kind of anti-interference motor of anti-jamming circuit and automobile clean system |
| CN110007231A (en) * | 2019-05-06 | 2019-07-12 | 西安交通大学 | Series direct current arc method for measuring in brush direct current motor electric loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20210611 |