CN203104282U - Anti-radiation interference electromagnetic compatible wave filter assembly - Google Patents
Anti-radiation interference electromagnetic compatible wave filter assembly Download PDFInfo
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- CN203104282U CN203104282U CN2013200795828U CN201320079582U CN203104282U CN 203104282 U CN203104282 U CN 203104282U CN 2013200795828 U CN2013200795828 U CN 2013200795828U CN 201320079582 U CN201320079582 U CN 201320079582U CN 203104282 U CN203104282 U CN 203104282U
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Abstract
The utility model discloses an anti-radiation interference electromagnetic compatible wave filter assembly comprising input ends and output ends, wherein the input ends comprise a positive electrode input end, a negative electrode input end and a grounded input end, the output ends comprise a positive electrode output end, a negative electrode output end and a grounded output end, a first inductor is serially connected between the positive electrode input end and the positive electrode output end, a third inductor is serially connected between the negative electrode input end and the negative electrode output end, a second inductor is serially connected between the grounded input end and the grounded output end, a first bidirectional diode and a first capacitor are connected between the positive electrode output end and the grounded output end in parallel, and a second bidirectional diode and a second capacitor are connected between the negative electrode output end and the grounded output end in parallel. The anti-radiation interference electromagnetic compatible wave filter assembly disclosed by the utility model is good in isolation performance and is capable of greatly improving the anti-radiation interference performance, thereby being capable of being used in such precise products with high performance demands as airplane, and the like.
Description
Technical field
The utility model relates to a kind of filter assembly, relates in particular to the electromagnetic compatibility mode filter assembly that a kind of radiation proof with good radiation proof jamming performance is disturbed.
Background technology
Power-supply filter is called for short filter, have another name called " power supply electromagnetic interface filter ", or " EMI power-supply filter ", it is a kind of passive bidirectional network, it is 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 filter is owing to the bad reason of the impedance matching of its inner filter network, cause isolation performance not high, shielding property is not ideal enough, can cause the misoperation of equipment because of signal disturbs when in the sophisticated product of high performance requirements such as aircraft, using, even may cause serious security incident.
The utility model content
The electromagnetic compatibility mode filter assembly of the purpose of this utility model with regard to being to provide a kind of radiation proof to disturb in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The electromagnetic compatibility mode filter assembly that radiation proof described in the utility model is disturbed comprises 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, be connected in series with first inductance between described electrode input end and the described cathode output end, be connected in series with the 3rd inductance between described negative input and the described cathode output end, be connected in series with second inductance between described ground connection input and the described ground connection output, be connected in parallel to first bidirectional diode and first electric capacity between described cathode output end and the described ground connection output, be connected in parallel to second bidirectional diode and second electric capacity between described cathode output end and the described ground connection output.
Further, be set with first magnet ring on the lead of described cathode output end inboard, be set with the 3rd magnet ring on the lead of described cathode output end inboard, be set with second magnet ring on the lead of described ground connection output inboard.
As preferably, described input also comprises the first standby input and the second standby input, and described output also comprises the first standby output and the second standby output; The described first standby input is connected with the described first standby output, and the described second standby input is connected with the described second standby output.Be set with the 4th magnet ring on the lead of the first standby output inboard, be set with the 5th magnet ring on the lead of the described second standby output inboard.
As preferably, described input is arranged in the connector, and described connector is installed on the cover plate, and described cover plate is installed on the filter housing, and the lower end of described filter housing is equipped with the output seat, described output be arranged at described output seat below.
Further, be provided with conductive rubber between described output seat and the described filter housing.
The beneficial effects of the utility model are:
The isolation performance of the electromagnetic compatibility mode filter assembly that radiation proof described in the utility model is disturbed is good, has significantly improved the radiation proof jamming performance, can use in the sophisticated product of high performance requirements such as aircraft; By magnet ring is set, the shielding property of the electromagnetic compatibility mode filter assembly of radiation proof interference described in the utility model is further improved; By connector is set, be convenient to the electromagnetic compatibility mode filter assembly of radiation proof interference and being connected of external equipment; By conductive rubber is set, under the prerequisite that guarantees conduction, improved sealing property.
Description of drawings
Fig. 1 is the front view of the electromagnetic compatibility mode filter assembly of radiation proof interference described in the utility model;
Fig. 2 is the vertical view of the electromagnetic compatibility mode filter assembly of radiation proof interference described in the utility model;
Fig. 3 is the upward view of the electromagnetic compatibility mode filter assembly of radiation proof interference described in the utility model;
Fig. 4 is the internal circuit configuration schematic diagram of the electromagnetic compatibility mode filter assembly of radiation proof interference described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 4, the electromagnetic compatibility mode filter assembly that radiation proof described in the utility model is disturbed comprises input and output, described input comprises electrode input end A, negative input E, ground connection input B, the first standby input F and the second standby input G, described output comprises cathode output end A ', cathode output end E ', ground connection output B ', the first standby cathode output end F ' and the second standby cathode output end G ', be connected in series with first inductance L 1 between electrode input end A and the cathode output end A ', be connected in series with the 3rd inductance L 3 between negative input E and the cathode output end E ', be connected in series with second inductance L 2 between ground connection input B and the ground connection output B ', be connected in parallel to the first bidirectional diode D1 and first capacitor C 1 between cathode output end A ' and the ground connection output B ', be connected in parallel to the second bidirectional diode D2 and second capacitor C 2 between cathode output end E ' and the ground connection output B ', the first standby input F is connected with the first standby output F ', and the second standby input G is connected with the described second standby output G '.
As shown in Figure 4, be set with the first magnet ring CH1 on the lead of cathode output end A ' inboard, be set with the 3rd magnet ring CH3 on the lead of cathode output end E ' inboard, be set with the second magnet ring CH2 on the lead of ground connection output B ' inboard, be set with the 4th magnet ring CH4 on the lead of the first standby output F ' inboard, be set with the 5th magnet ring CH5 on the lead of the second standby output G ' inboard.
As Fig. 1, Fig. 2 and shown in Figure 3, input 7 comprises the electrode input end A among Fig. 4, negative input E, ground connection input B, the first standby input F and the second standby input G, output 6 comprises the cathode output end A ' among Fig. 4, cathode output end E ', ground connection output B ', the first standby negative input F ' and the second standby negative input G ', input 7 is arranged in the connector 1, connector 1 is installed on the cover plate 2, cover plate 2 is installed on the filter housing 3, the lower end of filter housing 3 is equipped with output seat 5, output 6 be arranged at output seat 5 below; Be provided with conductive rubber 4 between output seat 5 and the filter housing 3.All parts comprise that inductance, bidirectional diode, electric capacity and magnet ring all are installed on the inside of filter housing 3 among Fig. 4.
During use, connector 1 is connected the corresponding connection of terminals that the input 7 in the connector 1 sets with the outside respectively with external equipment.
Claims (6)
1. the electromagnetic compatibility mode filter assembly that disturbs of a radiation proof, 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, be connected in series with first inductance between described electrode input end and the described cathode output end, be connected in series with the 3rd inductance between described negative input and the described cathode output end, be connected in series with second inductance between described ground connection input and the described ground connection output, be connected in parallel to first bidirectional diode and first electric capacity between described cathode output end and the described ground connection output, be connected in parallel to second bidirectional diode and second electric capacity between described cathode output end and the described ground connection output.
2. the electromagnetic compatibility mode filter assembly that radiation proof according to claim 1 is disturbed, it is characterized in that: be set with first magnet ring on the lead of described cathode output end inboard, be set with the 3rd magnet ring on the lead of described cathode output end inboard, be set with second magnet ring on the lead of described ground connection output inboard.
3. the electromagnetic compatibility mode filter assembly that radiation proof according to claim 1 and 2 is disturbed, it is characterized in that: described input also comprises the first standby input and the second standby input, and described output also comprises the first standby output and the second standby output; The described first standby input is connected with the described first standby output, and the described second standby input is connected with the described second standby output.
4. the electromagnetic compatibility mode filter assembly that radiation proof according to claim 3 is disturbed is characterized in that: be set with the 4th magnet ring on the lead of the first standby output inboard, be set with the 5th magnet ring on the lead of the described second standby output inboard.
5. the electromagnetic compatibility mode filter assembly that radiation proof according to claim 1 is disturbed, it is characterized in that: described input is arranged in the connector, described connector is installed on the cover plate, described cover plate is installed on the filter housing, the lower end of described filter housing is equipped with the output seat, described output be arranged at described output seat below.
6. the electromagnetic compatibility mode filter assembly that radiation proof according to claim 5 is disturbed is characterized in that: be provided with conductive rubber between described output seat and the described filter housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200795828U CN203104282U (en) | 2013-02-21 | 2013-02-21 | Anti-radiation interference electromagnetic compatible wave filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200795828U CN203104282U (en) | 2013-02-21 | 2013-02-21 | Anti-radiation interference electromagnetic compatible wave filter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104282U true CN203104282U (en) | 2013-07-31 |
Family
ID=48855657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200795828U Expired - Fee Related CN203104282U (en) | 2013-02-21 | 2013-02-21 | Anti-radiation interference electromagnetic compatible wave filter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104282U (en) |
-
2013
- 2013-02-21 CN CN2013200795828U patent/CN203104282U/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 |
Granted publication date: 20130731 Termination date: 20190221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |