CN201584861U - EMC filter circuit board welded on motor - Google Patents
EMC filter circuit board welded on motor Download PDFInfo
- Publication number
- CN201584861U CN201584861U CN2009202648530U CN200920264853U CN201584861U CN 201584861 U CN201584861 U CN 201584861U CN 2009202648530 U CN2009202648530 U CN 2009202648530U CN 200920264853 U CN200920264853 U CN 200920264853U CN 201584861 U CN201584861 U CN 201584861U
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- motor
- circuit board
- filter circuit
- emc filter
- welded
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Abstract
The utility model relates to the technical field of filter circuit boards, in particular to a EMC filter circuit board welded on a motor, which comprises a circuit board which is provided with the EMC filter circuit board and is welded at one end of the output shaft of the motor, wherein a perforation through which the motor output shaft penetrates is arranged on the circuit board, and power supply holes into which motor power supply terminals are inserted are also arranged on the circuit board; and conductive copper layers are arranged around the power supply holes on the circuit board. The welding mode is not only simple, but also can reduce labor cost and improve product quality.
Description
Technical field:
The utility model relates to the filter circuit plate technical field, relates in particular to a kind of EMC filter circuit plate that is welded in motor.
Background technology:
Electro Magnetic Compatibility EMC (Electromagnetic Compatibility) is meant that the operation that meets the requirements of equipment or system does not produce the ability of intolerable electromagnetic interference to any equipment in its environment in its electromagnetic environment.Many electronic products all can be provided with the EMC filter circuit in order to satisfy the EMC requirement, and for example, the d.c. motor output axle head of being everlasting is welded with the EMC filter circuit of being made up of ceramic disc capacitor, with the minimizing motor to the electromagnetic interference of environment.
Existing d.c. motor, mode of its welding EMC filter circuit is, respectively two legs of three ceramic disc capacitors passed successively the aperture on the power supply terminal of motor, and then welding successively, the welding manner of this kind EMC filter circuit is very loaded down with trivial details, and the labor intensive cost; In addition, after ceramic disc capacitor was all burn-on, the leg that ceramic disc capacitor has more was very mixed and disorderly, was easy to cause short circuit as not clearing up, and the words of cleaning increase human cost again, and the leg of cutting off is adsorbed to motor inside easily and causes quality problems.
The utility model content:
The purpose of this utility model is to provide a kind of EMC filter circuit plate that is welded in motor at the deficiencies in the prior art, and the welding manner of this EMC filter circuit plate is not only easy, also can reduce human cost, improves the quality of products.
For achieving the above object, the utility model adopts following technical scheme: a kind of EMC filter circuit plate that is welded in motor, it comprises the circuit board that is provided with the EMC filter circuit and is welded in motor output shaft one end, described circuit board offers the perforation that is used to wear motor output shaft, circuit board also offers the power hole that is used to plug the motor power terminal, and circuit board is provided with conductive copper layer around power hole.
Described circuit board is provided with the welded post that is used for weld motor.
Described perforation is a circular port, and power hole is a square opening.
Described EMC filter circuit comprises capacitor C 1, C2, C3, C4, C5, C6, C7 and C8; The end of C4 is connected with the end of C5, and the end of C3 is connected with the end of C6, and the end of C8 is connected with the end of C7; The other end of the other end of C4, the other end of C3, C8, the end of C1, and the end common ground of C2; The other end of the other end of C5, the other end of C6, C7, the other end of C1, and the other end of C2 connects+the 12V power supply jointly.
Described capacitor C 1, C2, C3, C4, C5, C6, C7 and C8 are patch capacitor.
The utility model beneficial effect is: a kind of EMC filter circuit plate that is welded in motor described in the utility model, it comprises the circuit board that is provided with the EMC filter circuit and is welded in motor output shaft one end, described circuit board offers the perforation that is used to wear motor output shaft, circuit board also offers the power hole that is used to plug the motor power terminal, and circuit board is provided with conductive copper layer around power hole; Before the welding, with the perforation that motor output shaft passes circuit board, the motor power terminal inserts the power hole of circuit board, and then circuit board is weldingly fixed on motor output shaft one end; During work, the motor power terminal connects external power source, motor energising work also produces electromagnetic interference to the outside, simultaneously, external power source is through giving the power supply of EMC filter circuit with the conductive copper layer of motor power termination contact, make the work of EMC filter circuit and effectively eliminate motor, make the motor product meet the EMC requirement the electromagnetic interference that the outside produces.Therefore, this welding is provided with the mode of the circuit board of EMC filter circuit, and not only welding manner is easy, also can reduce human cost, improves the quality of products.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an application schematic diagram of the present utility model;
Fig. 3 is applied to the EMC filter circuit schematic diagram of d.c. motor for the utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
See illustrated in figures 1 and 2, a kind of EMC filter circuit plate that is welded in motor 5, it comprises the circuit board 1 that is provided with the EMC filter circuit and is welded in motor output shaft 51 1 ends, described circuit board 1 offers the perforation 2 that is used to wear motor output shaft 51, circuit board 1 also offers the power hole 3 that is used to plug motor power terminal 52, circuit board 1 is provided with conductive copper layer 6 around power hole 3, motor power terminal 52 contacts with conductive copper layer 6.Adopt the EMC filter circuit plate of said structure, before being welded in motor 5, with the perforation 2 that motor output shaft 51 passes circuit board 1, motor power terminal 52 inserts the power hole 3 of circuit board 1, and then circuit board 1 is weldingly fixed on motor output shaft 51 ends; During work, motor power terminal 52 connects external power source, motor 5 energising work also produce electromagnetic interference to the outside, simultaneously, external power source is given the power supply of EMC filter circuit through the conductive copper layer 6 that contacts with motor power terminal 52, make the work of EMC filter circuit and effectively eliminate 5 pairs of outside electromagnetic interference that produce of motor, make motor 5 products meet the EMC requirement.This welding is provided with the mode of the circuit board 1 of EMC filter circuit, compares the mode of traditional welding electric capacity, and not only welding manner is easier, also can reduce human cost over half, and reduces the cost of enterprise effectively, improves the quality of product.
As preferred implementation, described circuit board 1 is provided with the welded post 4 that is used for weld motor 5, by welded post 4 being welded in motor 5 shells, thereby circuit board 1 is welded to motor output shaft 51 ends securely.Certainly, modes such as bonding pad also can be set on circuit board 1 replace welded post 4, can reach the purpose that circuit board 1 is welded to securely motor output shaft 51 ends equally.Described welded post 4 or bonding pad etc. can be located on the circuit board 1 by the mode of welding.
As preferred implementation, described perforation 2 is a circular port, make perforation 2 and motor output shaft 51 couplings, described power hole 3 is a square opening, make power hole 3 and motor power terminal 52 couplings, to quick, the accurate location of circuit board 1, not only enhance productivity before so can helping welding, also can guarantee product quality.
See shown in Figure 3ly, motor 5 described in the utility model is a d.c. motor, and corresponding, described EMC filter circuit comprises capacitor C 1, C2, C3, C4, C5, C6, C7 and C8; The end of C4 is connected with the end of C5, and the end of C3 is connected with the end of C6, and the end of C8 is connected with the end of C7; The other end of the other end of C4, the other end of C3, C8, the end of C1, and the end common ground of C2; The other end of the other end of C5, the other end of C6, C7, the other end of C1, and the other end of C2 connects+the 12V power supply jointly; Wherein, the power supply of above-mentioned EMC filter circuit is the input power supply of motor power terminal 52; Described capacitor C 1, C2, C3, C4, C5, C6, C7 and C8 are patch capacitor, can save volumetric spaces.This EMC filter circuit is simple and effectively, adopt this EMC filter circuit after, can effectively eliminate d.c. motor to the electromagnetic interference that the outside produces, make the d.c. motor product meet the EMC requirement.Dissimilar for motor 5, but the different EMC filter circuit of respective design.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (5)
1. EMC filter circuit plate that is welded in motor, it is characterized in that: it comprises the circuit board (1) that is provided with the EMC filter circuit and is welded in motor output shaft (51) one ends, described circuit board (1) offers the perforation (2) that is used to wear motor output shaft (51), circuit board (1) also offers the power hole (3) that is used to plug motor power terminal (52), and circuit board (1) is provided with conductive copper layer (6) on every side at power hole (3).
2. a kind of EMC filter circuit plate that is welded in motor according to claim 1 is characterized in that: described circuit board (1) is provided with the welded post (4) that is used for weld motor (5).
3. a kind of EMC filter circuit plate that is welded in motor according to claim 1 is characterized in that: described perforation (2) is a circular port, and power hole (3) is a square opening.
4. a kind of EMC filter circuit plate that is welded in motor according to claim 1, it is characterized in that: described EMC filter circuit comprises capacitor C 1, C2, C3, C4, C5, C6, C7 and C8; The end of C4 is connected with the end of C5, and the end of C3 is connected with the end of C6, and the end of C8 is connected with the end of C7; The other end of the other end of C4, the other end of C3, C8, the end of C1, and the end common ground of C2; The other end of the other end of C5, the other end of C6, C7, the other end of C1, and the other end of C2 connects+the 12V power supply jointly.
5. a kind of EMC filter circuit plate that is welded in motor according to claim 4, it is characterized in that: described capacitor C 1, C2, C3, C4, C5, C6, C7 and C8 are patch capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202648530U CN201584861U (en) | 2009-12-21 | 2009-12-21 | EMC filter circuit board welded on motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202648530U CN201584861U (en) | 2009-12-21 | 2009-12-21 | EMC filter circuit board welded on motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584861U true CN201584861U (en) | 2010-09-15 |
Family
ID=42726874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202648530U Expired - Fee Related CN201584861U (en) | 2009-12-21 | 2009-12-21 | EMC filter circuit board welded on motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584861U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227537A (en) * | 2013-04-24 | 2013-07-31 | 捷和电机（深圳）有限公司 | Printed circuit board and direct-current motor |
| CN103490563A (en) * | 2013-08-30 | 2014-01-01 | 武汉为腾科技有限公司 | PCB filter circuit for micromotor multipoint earthing broadband EMC |
| CN104868683A (en) * | 2014-06-27 | 2015-08-26 | 广东美的环境电器制造有限公司 | Brushless DC motor |
| CN108963484A (en) * | 2018-08-08 | 2018-12-07 | 深圳威迈斯电源有限公司 | High current air guide and Vehicular charger with the air guide |
| DE202019102493U1 (en) | 2018-05-07 | 2019-05-20 | Brano A.S. | DC electric motor with commutator |
-
2009
- 2009-12-21 CN CN2009202648530U patent/CN201584861U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227537A (en) * | 2013-04-24 | 2013-07-31 | 捷和电机（深圳）有限公司 | Printed circuit board and direct-current motor |
| CN103227537B (en) * | 2013-04-24 | 2016-04-20 | 捷和电机制品(深圳)有限公司 | Printed circuit board and direct current motor |
| CN103490563A (en) * | 2013-08-30 | 2014-01-01 | 武汉为腾科技有限公司 | PCB filter circuit for micromotor multipoint earthing broadband EMC |
| CN103490563B (en) * | 2013-08-30 | 2016-08-17 | 武汉为腾科技有限公司 | PCB filter circuit for micro machine multipoint earthing wideband EMC |
| CN104868683A (en) * | 2014-06-27 | 2015-08-26 | 广东美的环境电器制造有限公司 | Brushless DC motor |
| DE202019102493U1 (en) | 2018-05-07 | 2019-05-20 | Brano A.S. | DC electric motor with commutator |
| CN108963484A (en) * | 2018-08-08 | 2018-12-07 | 深圳威迈斯电源有限公司 | High current air guide and Vehicular charger with the air guide |
| CN108963484B (en) * | 2018-08-08 | 2024-01-26 | 深圳威迈斯新能源股份有限公司 | Heavy current guide member and vehicle-mounted charger with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20101221 |