CN206775330U - DC motor commutator suppression electromagnetic interference structure - Google Patents
DC motor commutator suppression electromagnetic interference structure Download PDFInfo
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- CN206775330U CN206775330U CN201621219312.2U CN201621219312U CN206775330U CN 206775330 U CN206775330 U CN 206775330U CN 201621219312 U CN201621219312 U CN 201621219312U CN 206775330 U CN206775330 U CN 206775330U
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- electromagnetic interference
- commutator
- suppression electromagnetic
- chip capacitor
- circuit board
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Abstract
The utility model DC motor commutator suppression electromagnetic interference modular construction,Engine commutator when problem is operating be present and often commutate the moment that an inductance disconnects in current existing direct current generator,Caused spark externally produces substantial amounts of electromagnetic interference between brush and commutator segment,Directly affect the normal work of neighbouring electronic equipment,Utility model method is that suppression electromagnetic interference component is that chip capacitor 1 and spring contact plate 2 are welded on circuit board 3,Chip capacitor 1 forms annular series connection on circuit board 3,Spring contact plate 2 is welded between two chip capacitors 1 on circuit board 3 and connects chip capacitor 1,Circuit board 3 is arranged on encapsulating in the solid groove of frame 4 of plastics and fixed,Plastic cover plate 5 covers,Spring contact plate 2 exposes in the solid window of frame 4 of suppression electromagnetic interference component plastics,Form complete suppression electromagnetic interference component,During use by suppression electromagnetic interference assembly set on DC motor rotor,It is rational in infrastructure,It is easy to use.
Description
Technical field
It the utility model is related to DC motor commutator system, particularly DC motor commutator suppression electromagnetic interference knot
Structure.
Background technology
The group such as the main commutator segment of existing DC motor commutator, plastic casing, metal substrate, mica sheet, brush at present
Into problem be present is that engine commutator often commutates the moment that an inductance disconnects when operating, caused by between brush and commutator segment
Spark externally produces substantial amounts of electromagnetic interference, directly affects the normal work of neighbouring electronic equipment, straight such as automobile using wiper
Stream engine commutator can influence the cisco unity malfunction such as computer board and frequency modulation broadcasting , Shi Change and not reach national standard to device product
The index of EMI electromagnetism Interferences and radiation interference.
The content of the invention
The purpose of this utility model is to be directed to drawbacks described above, there is provided a kind of DC motor commutator suppression electromagnetic interference knot
Structure, method are the electromagnetic interferences caused by installation capacitor absorption commutator between two commutator segments, reach national standard EMI regulations
Conducted Electromagnetic Interference and Radiative EMI index.
The technical solution of the utility model is DC motor commutator suppression electromagnetic interference structure, it is characterised in that direct current
Machine commutator suppression electromagnetic interference structure is that the commutator segment of commutator is formed by 12, the paster electricity installed additional between two commutator segments
Number of containers is identical with the quantity of commutator segment, and the chip capacitor installed additional on commutator is also formed by 12, concrete structure be by
The component of commutator suppression electromagnetic interference, which is arranged on to be formed in a suppression electromagnetic interference component in the plastic housing of sealing, directly to be covered
On commutator on the rotor of direct current generator, suppression electromagnetic interference component is that chip capacitor 1 and spring contact plate 2 are welded on
On circuit board 3, chip capacitor 1 forms annular series connection on circuit board 3, and spring contact plate 2 is welded on circuit board 3
Between two chip capacitors 1 and chip capacitor 1 is connected, circuit board 3 is arranged on encapsulating in the solid groove of frame 4 of plastics and fixed, plastics
Cover plate 5 covers, and spring contact plate 2 exposes in the solid window of frame 4 of suppression electromagnetic interference component plastics, forms the complete electromagnetism that suppresses and does
Disturb component, during use by suppression electromagnetic interference assembly set on DC motor rotor, spring contact plate 2 is corresponding on commutator segment 6
And reliably contact on commutator segment 6, form and installed chip capacitor 1 additional between two commutator segments, rotor coil joins respectively
It is connected on commutator segment, electromagnetic interference caused by brush switches on commutator when direct current generator operation rotates is connected between commutator segment
The chip capacitor 1 connect absorbs, and reaches the purpose of suppression electromagnetic interference.
Engine commutator often commutates the moment that an inductance disconnects when the utility model overcomes conventional operating, and brush is with changing
Externally produce substantial amounts of electromagnetic interference to caused spark between piece, have it is simple, compact easily dress, it is rationally distributed, be fixed conveniently,
The advantages of dependable performance, practicality and reliability are improved, direct current generator field can be widely used in.
Brief description of the drawings
Fig. 1 DC motor commutator suppression electromagnetic interference schematic diagrames
Fig. 2 DC motor commutator suppression electromagnetic interferences structural representation one
Fig. 3 DC motor commutator suppression electromagnetic interferences structural representation two
The solid frame of 1 chip capacitor, 2 spring contact plates, 3 circuit boards, 4 plastics, 5 plastic cover plates, 6 commutator segments in figure.
Embodiment
Fig. 1 is DC motor commutator suppression electromagnetic interference schematic diagram, and Fig. 2 is DC motor commutator suppression electromagnetic interference
Structural representation one, Fig. 3 are DC motor commutator suppression electromagnetic interference structural representations two, and operation principle is chip capacitor
1 forms annular series connection on circuit board 3, spring contact plate 2 be welded on circuit board 3 between two chip capacitors 1 with
And chip capacitor 1 is connected, by suppression electromagnetic interference assembly set on DC motor rotor, spring contact plate 2 is corresponding to commutate
Contact on piece 6 and reliably on commutator segment 6, form and installed chip capacitor 1 between two commutator segments additional, rotor coil point
Lian not be connected on commutator segment, direct current generator operation rotate when brush switch on commutator caused by electromagnetic interference by commutator segment it
Between the chip capacitor 1 that connects absorb, reach the purpose of suppression electromagnetic interference.Embodiment be commutator commutator segment by
12 form, and the chip capacitor quantity installed additional between two commutator segments is identical with the quantity of commutator segment, is installed additional on commutator
Chip capacitor is also formed by 12, and the component of commutator suppression electromagnetic interference is arranged in the plastic housing of sealing and forms one
It is directly sleeved in suppression electromagnetic interference component on the commutator on the rotor of direct current generator, suppression electromagnetic interference component is paster electricity
Container 1 and spring contact plate 2 are welded on circuit board 3, and chip capacitor 1 forms annular series connection, spring contact on circuit board 3
Piece 2 is welded between two chip capacitors 1 on circuit board 3 and connects chip capacitor 1, and circuit board 3 is arranged on plastics
Gu encapsulating is fixed in the groove of frame 4, plastic cover plate 5 covers, and spring contact plate 2 is in the solid window of frame 4 dew of suppression electromagnetic interference component plastics
Go out, form complete suppression electromagnetic interference component, during use by suppression electromagnetic interference assembly set on DC motor rotor, spring
Contact chip 2 is corresponding to be contacted on commutator segment 6 and reliably on commutator segment 6, is formd and has been installed paster additional between two commutator segments
Capacitor 1, rotor coil joins respectively to be connected on commutator segment, caused by brush switches on commutator when direct current generator operation rotates
The chip capacitor 1 that electromagnetic interference is connected between commutator segment absorbs, and reaches the purpose of suppression electromagnetic interference.
Claims (1)
1. DC motor commutator suppression electromagnetic interference structure, it is characterised in that DC motor commutator suppression electromagnetic interference structure
It is that the commutator segment of commutator is formed by 12, the chip capacitor quantity installed additional between two commutator segments and the quantity phase of commutator segment
Together, the chip capacitor installed additional on commutator is also formed by 12, and concrete structure is by first portion of commutator suppression electromagnetic interference
Part is arranged on the commutation for being formed in a suppression electromagnetic interference component and being directly sleeved on the rotor of direct current generator in the plastic housing of sealing
On device, suppression electromagnetic interference component is that chip capacitor (1) and spring contact plate (2) are welded on circuit board (3), patch capacitor
Device (1) forms annular series connection on circuit board (3), and spring contact plate (2) is welded to two patch capacitors on circuit board (3)
Between device (1) and chip capacitor (1) is connected, circuit board (3) is arranged on encapsulating in solid frame (4) groove of plastics and fixed, plastic cover plate
(5) cover, spring contact plate (2) exposes in solid frame (4) window of suppression electromagnetic interference component plastics, forms complete suppression electromagnetism
Component is disturbed, during use by suppression electromagnetic interference assembly set on DC motor rotor, spring contact plate (2) is corresponding in commutator segment
(6) contact on and reliably on commutator segment (6), form and installed chip capacitor (1), rotor line additional between two commutator segments
Connection is connected on commutator segment circle respectively, and electromagnetic interference caused by brush switches on commutator when direct current generator operation rotates is commutated
The chip capacitor (1) connected between piece absorbs, and reaches the purpose of suppression electromagnetic interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219312.2U CN206775330U (en) | 2016-11-01 | 2016-11-01 | DC motor commutator suppression electromagnetic interference structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219312.2U CN206775330U (en) | 2016-11-01 | 2016-11-01 | DC motor commutator suppression electromagnetic interference structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775330U true CN206775330U (en) | 2017-12-19 |
Family
ID=60647317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621219312.2U Active CN206775330U (en) | 2016-11-01 | 2016-11-01 | DC motor commutator suppression electromagnetic interference structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525746A (en) * | 2019-02-28 | 2020-08-11 | 重庆惠梁机电配件有限公司 | Direct current motor rotor provided with PCB plate capacitor assembly |
| CN112737222A (en) * | 2020-12-31 | 2021-04-30 | 嘉兴瓯源电机股份有限公司 | Energy-saving permanent magnet motor with automatic anti-interference capability |
-
2016
- 2016-11-01 CN CN201621219312.2U patent/CN206775330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525746A (en) * | 2019-02-28 | 2020-08-11 | 重庆惠梁机电配件有限公司 | Direct current motor rotor provided with PCB plate capacitor assembly |
| CN112737222A (en) * | 2020-12-31 | 2021-04-30 | 嘉兴瓯源电机股份有限公司 | Energy-saving permanent magnet motor with automatic anti-interference capability |
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| GR01 | Patent grant |