CN203104263U - Filter with radiated interference resistance function - Google Patents
Filter with radiated interference resistance function Download PDFInfo
- Publication number
- CN203104263U CN203104263U CN2013200809159U CN201320080915U CN203104263U CN 203104263 U CN203104263 U CN 203104263U CN 2013200809159 U CN2013200809159 U CN 2013200809159U CN 201320080915 U CN201320080915 U CN 201320080915U CN 203104263 U CN203104263 U CN 203104263U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- capacitor
- inductance
- filter
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model discloses a filter with radiated interference resistance function. The filter comprises an input end and an output end, wherein the input end consists of an anode input end and a cathode input end; the output end consists of an anode output end, an earthing end and a cathode output end; the anode input end is simultaneously connected with a first inductor and a two-way diode; the first inductor is the anode output end and is simultaneously connected with a first capacitor, a second capacitor, a third capacitor and a third capacitor; the cathode input end is simultaneously connected with the two-way diode and the second inductor; the second inductor is the cathode output end and is simultaneously connected with the first capacitor, the second capacitor, the third capacitor and a fifth capacitor; the fifth capacitor is simultaneously connected with the fourth capacitor and the earthing end, and a sharing magnetic core is arranged between the first inductor and the second inductor. The filter is very high in radiated interference resistance property, the radiated interference resistance property can be obviously improved, and the filter can be used in precise products with high-performance requirement.
Description
Technical field
The utility model relates to a kind of filter assembly, relates in particular to a kind of filter with radioresistance 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 the radioresistance jamming 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 with radioresistance 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 output comprises electrode input end and negative input, described output comprises cathode output end, earth terminal and cathode output end, described electrode input end is connected with first end of first inductance and first end of bidirectional diode simultaneously, second end of described first inductance be described cathode output end and simultaneously with 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 4th electric capacity, described negative input is connected with second end of described bidirectional diode and first end of second inductance simultaneously, second end of described second inductance be described cathode output end and simultaneously with second end of described first electric capacity, second end of described second electric capacity, second end of described the 3rd electric capacity is connected with first end of the 5th electric capacity, second end of described the 5th electric capacity is connected with described earth terminal with second end of described the 4th electric capacity simultaneously, is provided with shared magnetic core between described first inductance and described second inductance.
Particularly, described input is arranged at a side of housing and places outside the housing, described output is arranged at the opposite side of described housing and places outside the described housing, and described first inductance, described second inductance, described first electric capacity to described the 5th electric capacity and described bidirectional diode all are packaged in the described housing.
The beneficial effects of the utility model are:
Radioresistance jamming 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 of radioresistance interference function described in the utility model;
Fig. 2 is the external structure vertical view with filter of radioresistance interference function described in the utility model;
Fig. 3 is the external structure front view with filter of radioresistance interference function described in the utility model.
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, output comprises electrode input end A and negative input B, output comprises cathode output end A`, earth terminal G and cathode output end B`, electrode input end A is connected with first end of first inductance L 1 and first end of bidirectional diode D simultaneously, second end of first inductance L 1 be cathode output end A` and simultaneously with 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 4th capacitor C 4, negative input B is connected with second end of bidirectional diode D and first end of second inductance L 2 simultaneously, second end of second inductance L 2 be cathode output end B` and simultaneously with second end of first capacitor C 1, second end of second capacitor C 2, second end of the 3rd capacitor C 3 is connected with first end of the 5th capacitor C 5, second end of the 5th capacitor C 5 is connected with earth terminal G with second end of the 4th capacitor C 4 simultaneously, is provided with shared magnetic core between first inductance L 1 and second inductance L 2.
As shown in Figures 2 and 3: input is arranged at a side of housing 1 and places outside the housing 1, output is arranged at the opposite side of housing 1 and places outside the housing 1, and first inductance L 1, second inductance L 2, first capacitor C, 1 to the 5th capacitor C 5 and bidirectional diode D all are packaged in the housing 1.
Claims (2)
1. filter with radioresistance interference function, comprise input and output, it is characterized in that: described output comprises electrode input end and negative input, described output comprises cathode output end, earth terminal and cathode output end, described electrode input end is connected with first end of first inductance and first end of bidirectional diode simultaneously, second end of described first inductance be described cathode output end and simultaneously with 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 4th electric capacity, described negative input is connected with second end of described bidirectional diode and first end of second inductance simultaneously, second end of described second inductance be described cathode output end and simultaneously with second end of described first electric capacity, second end of described second electric capacity, second end of described the 3rd electric capacity is connected with first end of the 5th electric capacity, second end of described the 5th electric capacity is connected with described earth terminal with second end of described the 4th electric capacity simultaneously, is provided with shared magnetic core between described first inductance and described second inductance.
2. the filter with radioresistance interference function according to claim 1, it is characterized in that: described input is arranged at a side of housing and places outside the housing, described output is arranged at the opposite side of described housing and places outside the described housing, and described first inductance, described second inductance, described first electric capacity to described the 5th electric capacity and described bidirectional diode all are packaged in the described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200809159U CN203104263U (en) | 2013-02-21 | 2013-02-21 | Filter with radiated interference resistance function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200809159U CN203104263U (en) | 2013-02-21 | 2013-02-21 | Filter with radiated interference resistance function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104263U true CN203104263U (en) | 2013-07-31 |
Family
ID=48855638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200809159U Expired - Fee Related CN203104263U (en) | 2013-02-21 | 2013-02-21 | Filter with radiated interference resistance function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104263U (en) |
-
2013
- 2013-02-21 CN CN2013200809159U patent/CN203104263U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205566240U (en) | Multi -level filter | |
| CN203104262U (en) | Filter with anti-electromagnetic interference function | |
| CN2917191Y (en) | Improved printed circuit board structure that can disperse electromagnet interference | |
| CN202231437U (en) | Single-phase power supply filter easy to change impedance matching | |
| CN203104263U (en) | Filter with radiated interference resistance function | |
| CN203104273U (en) | Dual-component anti-interference filter | |
| CN203104274U (en) | Novel electromagnetic compatibility filter applicable to aircraft | |
| CN201774107U (en) | High-performance anti-interference filtering connector | |
| CN203104381U (en) | Novel anti-interference electromagnetic compatible filter | |
| CN203104261U (en) | Electromagnetic compatibility filter | |
| CN203104266U (en) | Integrated type anti-interference filter assembly | |
| CN203104276U (en) | Enhanced radiation-proof filter assembly | |
| CN203104283U (en) | Electromagnetic compatibility filter applicable to generator | |
| CN207382271U (en) | Feed-through capacitor formula power-supply filter and screened room | |
| CN203104269U (en) | Filter assembly with motor conducted interference preventing function | |
| CN202334288U (en) | High-efficiency isolation direct current power supply filter | |
| CN202502967U (en) | Residual current breaker | |
| CN203104272U (en) | Electromagnetic compatibility filter applicable to aircraft | |
| CN203104375U (en) | Filter assembly with low noise coefficient | |
| CN203104267U (en) | Anti-radiation wave filter assembly | |
| CN203104282U (en) | Anti-radiation interference electromagnetic compatible wave filter assembly | |
| CN203104373U (en) | Efficient sealed radiation-proof filter assembly | |
| CN203104376U (en) | Filter component with wide range of working temperature | |
| CN204190606U (en) | A kind of current transformer electromagnetic interface filter | |
| CN202334276U (en) | Isolating direct-current power filter |
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 |