CN203104373U - Efficient sealed radiation-proof filter assembly - Google Patents
Efficient sealed radiation-proof filter assembly Download PDFInfo
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- CN203104373U CN203104373U CN2013200797560U CN201320079756U CN203104373U CN 203104373 U CN203104373 U CN 203104373U CN 2013200797560 U CN2013200797560 U CN 2013200797560U CN 201320079756 U CN201320079756 U CN 201320079756U CN 203104373 U CN203104373 U CN 203104373U
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Abstract
The utility model discloses an efficient sealed radiation-proof filter assembly. The efficient sealed radiation-proof filter assembly comprises an input end and an output end, wherein the input end comprises a positive input end, a negative input end and a grounding input end; the output end comprises a positive output end, a negative output end and a grounding output end; a first inductor is connected in series between the positive input end and the positive output end; a third inductor is connected in series between the negative input end and the negative output end; a second inductor is serially connected between the grounding input end and the grounding output end; the first inductor, the second inductor and the third inductor share one annular magnetic core; a first bidirectional diode is connected between the positive input end and the grounding input end; a second bidirectional diode is connected between the negative input end and the grounding input end; a first capacitor is connected between the positive output end and the grounding output end; and a second capacitor is connected between the negative output end and the grounding output end. The efficient sealed radiation-proof filter assembly disclosed by the utility model is good in isolation performance, and remarkably improved in radiated interference-proof performance.
Description
Technical field
The utility model relates to a kind of filter assembly, relates in particular to a kind of efficient sealed radiation proof filter assembly with good radiation proof jamming performance.
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 purpose of this utility model provides a kind of efficient sealed radiation proof filter assembly with good radiation proof jamming performance with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Efficient sealed radiation proof filter assembly described in 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, 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, described first inductance, a shared toroidal core between described second inductance and described the 3rd inductance, be connected with first bidirectional diode between described electrode input end and the described ground connection input, be connected with second bidirectional diode between described negative input and the described ground connection input, be connected with first electric capacity between described cathode output end and the described ground connection output, be connected with second electric capacity between described cathode output end and the described ground connection output.
Further, 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.
As preferably, 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; 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 efficient sealed radiation proof filter assembly described in the utility model 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 efficient sealed radiation proof filter assembly described in the utility model is further improved; By connector is set, be convenient to being connected of efficient sealed radiation proof filter assembly and 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 efficient sealed radiation proof filter assembly described in the utility model;
Fig. 2 is the vertical view of efficient sealed radiation proof filter assembly described in the utility model;
Fig. 3 is the upward view of efficient sealed radiation proof filter assembly described in the utility model;
Fig. 4 is the internal circuit configuration schematic diagram of efficient sealed radiation proof filter assembly 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, efficient sealed radiation proof filter assembly described in the utility model 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 ', first inductance L 1, a shared toroidal core between second inductance L 2 and the 3rd inductance L 3, be connected with the first bidirectional diode D1 between electrode input end A and the ground connection input B, be connected with the second bidirectional diode D2 between negative input E and the ground connection input B, be connected with first capacitor C 1 between cathode output end A ' and the ground connection output B ', be connected with 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 (5)
1. efficient sealed radiation proof filter assembly, 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, described first inductance, a shared toroidal core between described second inductance and described the 3rd inductance, be connected with first bidirectional diode between described electrode input end and the described ground connection input, be connected with second bidirectional diode between described negative input and the described ground connection input, be connected with first electric capacity between described cathode output end and the described ground connection output, be connected with second electric capacity between described cathode output end and the described ground connection output.
2. efficient sealed radiation proof filter assembly according to claim 1 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.
3. efficient sealed radiation proof filter assembly according to claim 2, 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; 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.
4. efficient sealed radiation proof filter assembly according to claim 1, 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.
5. efficient sealed radiation proof filter assembly according to claim 4 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 |
|---|---|---|---|
| CN2013200797560U CN203104373U (en) | 2013-02-21 | 2013-02-21 | Efficient sealed radiation-proof filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200797560U CN203104373U (en) | 2013-02-21 | 2013-02-21 | Efficient sealed radiation-proof filter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104373U true CN203104373U (en) | 2013-07-31 |
Family
ID=48855747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200797560U Expired - Fee Related CN203104373U (en) | 2013-02-21 | 2013-02-21 | Efficient sealed radiation-proof filter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104373U (en) |
-
2013
- 2013-02-21 CN CN2013200797560U patent/CN203104373U/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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |