CN203104269U - Filter assembly with motor conducted interference preventing function - Google Patents
Filter assembly with motor conducted interference preventing function Download PDFInfo
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- CN203104269U CN203104269U CN2013200801087U CN201320080108U CN203104269U CN 203104269 U CN203104269 U CN 203104269U CN 2013200801087 U CN2013200801087 U CN 2013200801087U CN 201320080108 U CN201320080108 U CN 201320080108U CN 203104269 U CN203104269 U CN 203104269U
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- inductance
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- electric capacity
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Abstract
The utility model discloses a filter assembly with a motor conducted interference preventing function. The filter assembly comprises input ends, output ends, a wire connector, a cover plate and a housing, wherein the input ends comprise a positive electrode input end, a negative electrode input end and a grounding input end; the output ends comprise a positive electrode output end, a negative electrode output end and a grounding output end; the input end of the filter is arranged in the wire connector; the wire connector is arranged on the upper surface of the cover plate; the cover plate is arranged on the upper surface of the filter housing; and the output end of the filter is arranged on the lower surface of the filter housing. Conductive rubber is arranged between the wire connector and the cover plate. The filter assembly with the motor conducted interference preventing function is strong in anti-interference performance, capable of remarkably improving the interference preventing performance and capable of being used in a precise product with high performance requirements.
Description
Technical field
The utility model relates to a kind of filter assembly, relates in particular to a kind of filter assembly with anti-motor conducted interference function.
Background technology
Power-supply filter has another name called " power supply electromagnetic interface filter ", or " EMI power-supply filter ", it is a kind of passive bidirectional network, be a kind of electric equipment that the frequency or the frequency beyond this frequency of characteristic frequency in the power supply are carried out effective filtering, its end connects power supply, and the other end connects load.Existing DC wave filter is owing to the bad reason of the impedance matching of its inner filter network, cause interference free performance not high, can cause the misoperation of equipment because of signal disturbs when in the sophisticated product of high performance requirements, using, even may cause serious security incident.
The utility model content
The purpose of this utility model provides a kind of filter assembly with anti-motor conducted interference function with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises input and output, described input comprises electrode input end, negative input and ground connection input, described output comprises cathode output end, cathode output end and ground connection output, described electrode input end is connected with first end of first inductance, second end while of described first inductance and first end of first resistance, first end of first electric capacity, first end of second electric capacity, first end of the 3rd electric capacity is connected with first end of the 3rd inductance, second end of described the 3rd inductance is a cathode output end, suit first magnet ring on the lead of described cathode output end inboard, described negative input is connected with first end of the 3rd inductance, second end while of described the 3rd inductance and first end of second resistance, first end of the 4th electric capacity, first end of the 5th electric capacity, first end of the 6th electric capacity is connected with first end of the 5th inductance, second end of described the 5th inductance is described cathode output end, suit the 3rd magnet ring on the lead of described cathode output end inboard, described ground connection input is connected with first end of second inductance, second end while of described second inductance and second end of described first resistance, second end of described second resistance is connected with first end of the 4th inductance, second end of described the 4th inductance is the ground connection output, suit second magnet ring on the lead of described ground connection output inboard, be provided with shared magnetic core between described the 3rd inductance and described the 4th inductance, be provided with shared magnetic core between described the 4th inductance and described the 5th inductance, second end of described first electric capacity is connected with second end of described the 4th electric capacity, second end of described second electric capacity is connected with second end of described the 5th electric capacity, and second end of described the 3rd electric capacity is connected with second end of described the 6th electric capacity.
Further, described input also comprises standby electrode input end, standby negative input and standby ground connection input, described output also comprises standby cathode output end, standby cathode output end and standby ground connection output, described standby electrode input end and described standby cathode output end interconnect, described standby negative input and described standby cathode output end interconnect, described standby ground connection input and described standby ground connection output interconnect, be set with the 4th magnet ring on the lead of described standby cathode output end inboard, be set with the 6th magnet ring on the lead of the standby output of described negative pole inboard, be set with the 5th magnet ring on the lead of the standby output of described ground connection inboard.
Further, the input of described filter is arranged in the electric wire connecting junction, and described electric wire connecting junction is arranged at above the cover plate, and described cover plate is arranged at above the described filter housing, the output of described filter be arranged at described filter housing below; Be provided with conductive rubber between described electric wire connecting junction and the described cover plate.
The beneficial effects of the utility model are:
Interference free performance of the present utility model is very high, has significantly improved anti-tampering performance, can use in the sophisticated product of high performance requirements.
Description of drawings
Fig. 1 is the circuit structure schematic diagram with filter assembly of anti-motor conducted interference function described in the utility model;
Fig. 2 is the main TV structure schematic diagram with filter assembly of anti-motor conducted interference function described in the utility model;
Fig. 3 is the plan structure schematic diagram with filter assembly of anti-motor conducted interference function described in the utility model.
Among the figure: 1-filter housing, 2-cover plate, 3-conducting resinl, 4-electric wire connecting junction, 5-output, 6-input.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises input and output, input comprises electrode input end B, negative input D and ground connection input A, output comprises cathode output end B`, cathode output end D` and ground connection output terminals A `, electrode input end B is connected with first end of first inductance L 1, second end while of first inductance L 1 and first end of first resistance R 1, first end of first capacitor C 1, first end of second capacitor C 2, first end of the 3rd capacitor C 3 is connected with first end of the 3rd inductance L 3, second end of the 3rd inductance L 3 is cathode output end B`, the suit first magnet ring CH1 on the lead of cathode output end B` inboard, negative input D is connected with first end of the 3rd inductance L 3, second end while of the 3rd inductance L 3 and first end of second resistance R 2, first end of the 4th capacitor C 4, first end of the 5th capacitor C 5, first end of the 6th capacitor C 6 is connected with first end of the 5th inductance L 5, second end of the 5th inductance L 5 is cathode output end D`, suit the 3rd magnet ring CH3 on the lead of cathode output end D` inboard, ground connection input A is connected with first end of second inductance L 2, second end while of second inductance L 2 and second end of first resistance R 1, second end of second resistance R 2 is connected with first end of the 4th inductance L 4, second end of the 4th inductance L 4 is ground connection output terminals A `, the suit second magnet ring CH2 on the lead of ground connection output terminals A ` inboard, be provided with shared magnetic core between the 3rd inductance L 3 and the 4th inductance L 4, be provided with shared magnetic core between the 4th inductance L 4 and the 5th inductance L 5, second end of first capacitor C 1 is connected with second end of the 4th capacitor C 4, second end of second capacitor C 2 is connected with second end of the 5th capacitor C 5, and second end of the 3rd capacitor C 3 is connected with second end of the 6th capacitor C 6.Input also comprises standby electrode input end E, standby negative input G and standby ground connection input F, output also comprises standby cathode output end E`, standby cathode output end G` and standby ground connection output F`, standby electrode input end E and standby cathode output end E` interconnect, standby negative input G and standby cathode output end G` interconnect, standby ground connection input F and standby ground connection output F` interconnect, be set with the 4th magnet ring CH4 on the lead of standby cathode output end E` inboard, be set with the 6th magnet ring CH6 on the lead of standby cathode output end G` inboard, be set with the 5th magnet ring CH5 on the lead of standby ground connection output F` inboard.
As shown in Figures 2 and 3: the input 6 of filter is arranged in the electric wire connecting junction 4, and electric wire connecting junction 4 is arranged at above the cover plate 2, and cover plate 2 is arranged at above the filter housing 1, the output 5 of filter be arranged at filter housing 1 below; Be provided with conductive rubber 3 between electric wire connecting junction 4 and the cover plate 2.
Claims (4)
1. filter assembly with anti-motor conducted interference function, comprise input and output, it is characterized in that: described input comprises electrode input end, negative input and ground connection input, described output comprises cathode output end, cathode output end and ground connection output, described electrode input end is connected with first end of first inductance, second end while of described first inductance and first end of first resistance, first end of first electric capacity, first end of second electric capacity, first end of the 3rd electric capacity is connected with first end of the 3rd inductance, second end of described the 3rd inductance is a cathode output end, suit first magnet ring on the lead of described cathode output end inboard, described negative input is connected with first end of the 3rd inductance, second end while of described the 3rd inductance and first end of second resistance, first end of the 4th electric capacity, first end of the 5th electric capacity, first end of the 6th electric capacity is connected with first end of the 5th inductance, second end of described the 5th inductance is described cathode output end, suit the 3rd magnet ring on the lead of described cathode output end inboard, described ground connection input is connected with first end of second inductance, second end while of described second inductance and second end of described first resistance, second end of described second resistance is connected with first end of the 4th inductance, second end of described the 4th inductance is the ground connection output, suit second magnet ring on the lead of described ground connection output inboard, be provided with shared magnetic core between described the 3rd inductance and described the 4th inductance, be provided with shared magnetic core between described the 4th inductance and described the 5th inductance, second end of described first electric capacity is connected with second end of described the 4th electric capacity, second end of described second electric capacity is connected with second end of described the 5th electric capacity, and second end of described the 3rd electric capacity is connected with second end of described the 6th electric capacity.
2. the filter assembly with anti-motor conducted interference function according to claim 1, it is characterized in that: described input also comprises standby electrode input end, standby negative input and standby ground connection input, described output also comprises standby cathode output end, standby cathode output end and standby ground connection output, described standby electrode input end and described standby cathode output end interconnect, described standby negative input and described standby cathode output end interconnect, described standby ground connection input and described standby ground connection output interconnect, be set with the 4th magnet ring on the lead of described standby cathode output end inboard, be set with the 6th magnet ring on the lead of described standby cathode output end inboard, be set with the 5th magnet ring on the lead of described standby ground connection output inboard.
3. the filter assembly with anti-motor conducted interference function according to claim 1, it is characterized in that: the input of described filter is arranged in the electric wire connecting junction, described electric wire connecting junction is arranged at above the cover plate, described cover plate is arranged at above the filter housing, the output of described filter be arranged at described filter housing below.
4. the filter assembly with anti-motor conducted interference function according to claim 3 is characterized in that: be provided with conductive rubber between described electric wire connecting junction and the described cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200801087U CN203104269U (en) | 2013-02-21 | 2013-02-21 | Filter assembly with motor conducted interference preventing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200801087U CN203104269U (en) | 2013-02-21 | 2013-02-21 | Filter assembly with motor conducted interference preventing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104269U true CN203104269U (en) | 2013-07-31 |
Family
ID=48855644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200801087U Expired - Fee Related CN203104269U (en) | 2013-02-21 | 2013-02-21 | Filter assembly with motor conducted interference preventing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104269U (en) |
-
2013
- 2013-02-21 CN CN2013200801087U patent/CN203104269U/en not_active Expired - Fee Related
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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: 20130731 Termination date: 20190221 |