CN203104283U - Electromagnetic compatibility filter applicable to generator - Google Patents
Electromagnetic compatibility filter applicable to generator Download PDFInfo
- Publication number
- CN203104283U CN203104283U CN201320080920XU CN201320080920U CN203104283U CN 203104283 U CN203104283 U CN 203104283U CN 201320080920X U CN201320080920X U CN 201320080920XU CN 201320080920 U CN201320080920 U CN 201320080920U CN 203104283 U CN203104283 U CN 203104283U
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- inductance
- capacitor
- electromagnetic compatibility
- cathode output
- output end
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Abstract
The utility model discloses an electromagnetic compatibility filter applicable to a generator. The electromagnetic compatibility filter comprises an input terminal and an output terminal, wherein the input terminal comprises a positive input terminal, a negative input terminal and an earthing terminal, the output terminal comprises a positive output terminal and a negative output terminal, a first inductor, a second inductor and a third inductor are connected in series between the positive input terminal and the positive output terminal, and a fourth inductor and a fifth inductor are connected in series between the negative input terminal and the negative output terminal. The electromagnetic compatibility filter has high electromagnetic compatibility, significantly improves the anti-interference performance, and can be used in precision products with high performance requirements.
Description
Technical field
The utility model relates to a kind of filter, relates in particular to a kind of electromagnetic compatibility filter that is applicable to generator.
Background technology
Filter in the generator, having another name called " electromagnetic interface filter ", is a kind of passive bidirectional network, is a kind of electric equipment that the frequency or the frequency beyond this frequency of characteristic frequency in the generator for electricity generation are carried out effective filtering, its end connects power supply, and the other end connects load.Existing generator filter is owing to the bad reason of the impedance matching of its inner filter network, cause the electromagnetism can not be compatible, 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 electromagnetic compatibility filter that is applicable to generator 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 earth terminal, described output comprises cathode output end and cathode output end, be connected in series with first inductance between described electrode input end and the described cathode output end, second inductance and the 3rd inductance, be connected in series with the 4th inductance and the 5th inductance between described negative input and the described cathode output end, be connected in series with the 4th capacitor and first capacitor between described electrode input end and the described negative input, described the 4th capacitor is connected with described earth terminal near an end of described first capacitor, described first inductance is connected with second capacitor near an end and described the 4th inductance of described second inductance near between the end of described the 5th inductance, described the 4th inductance connects ground connection behind the 5th capacitor near an end of described the 5th inductance, be connected with the 6th capacitor between one end of close described the 3rd inductance of described second inductance and the end of described the 5th inductance away from described the 4th inductance, be connected with the 7th capacitor between described cathode output end and the described cathode output end, described cathode output end connects ground connection behind the 3rd capacitor.
Particularly, the shared toroidal core of described first inductance and described the 4th inductance.
The shared toroidal core of described second inductance and described the 5th inductance.
Described input and described output all are arranged at the same side of the housing of described filter.
The beneficial effects of the utility model are:
Electro Magnetic Compatibility of the present utility model is higher, has significantly improved anti-tampering performance, can use in the sophisticated product of high performance requirements.
Description of drawings
Fig. 1 is a kind of circuit diagram that is applicable to the electromagnetic compatibility filter of generator described in the utility model.
Fig. 2 is a kind of front view that is applicable to the electromagnetic compatibility filter of generator described in the utility model.
Fig. 3 is a kind of vertical view that is applicable to the electromagnetic compatibility filter of generator 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, input comprises electrode input end A, negative input B and earth terminal E, output comprises cathode output end A ' and cathode output end B ', be connected in series with first inductance L 1 between electrode input end A and the cathode output end A ', second inductance L 2 and the 3rd inductance L 3, be connected in series with the 4th inductance L 4 and the 5th inductance L 5 between negative input B and the cathode output end B ', be connected in series with the 4th capacitor C4 and the first capacitor C1 between electrode input end A and the negative input B, the 4th capacitor C4 is connected with earth terminal E near the end of the first capacitor C1, first inductance L 1 is connected with the second capacitor C2 near an end and the 4th inductance L 4 of second inductance L 2 near between the end of the 5th inductance L 5, the 4th inductance L 4 connects ground connection behind the 5th capacitor C5 near an end of the 5th inductance L 5, be connected with the 6th capacitor C6 between one end of second inductance L, 2 close the 3rd inductance L 3 and the end of the 5th inductance L 5 away from the 4th inductance L 4, be connected with the 7th capacitor C7 between cathode output end A ' and the cathode output end B ', ground connection behind cathode output end B ' connection the 3rd capacitor C3, first inductance L 1 and the 4th inductance L 4 shared toroidal cores, second inductance L 2 and the 5th inductance L 5 shared toroidal cores.
As shown in Figures 2 and 3, electrode input end A, negative input B, earth terminal E, cathode output end A ' and cathode output end B ' all are arranged at the same side of the housing 1 of filter, electrode input end A, negative input B and earth terminal E are one group of end that is arranged at the housing 1 of filter, and cathode output end A ' and cathode output end B ' are one group of other end that is arranged at the housing 1 of filter.
Claims (4)
1. electromagnetic compatibility filter that is applicable to generator, comprise input and output, it is characterized in that: described input comprises electrode input end, negative input and earth terminal, described output comprises cathode output end and cathode output end, be connected in series with first inductance between described electrode input end and the described cathode output end, second inductance and the 3rd inductance, be connected in series with the 4th inductance and the 5th inductance between described negative input and the described cathode output end, be connected in series with the 4th capacitor and first capacitor between described electrode input end and the described negative input, described the 4th capacitor is connected with described earth terminal near an end of described first capacitor, described first inductance is connected with second capacitor near an end and described the 4th inductance of described second inductance near between the end of described the 5th inductance, described the 4th inductance connects ground connection behind the 5th capacitor near an end of described the 5th inductance, be connected with the 6th capacitor between one end of close described the 3rd inductance of described second inductance and the end of described the 5th inductance away from described the 4th inductance, be connected with the 7th capacitor between described cathode output end and the described cathode output end, described cathode output end connects ground connection behind the 3rd capacitor.
2. a kind of electromagnetic compatibility filter that is applicable to generator according to claim 1 is characterized in that: the shared toroidal core of described first inductance and described the 4th inductance.
3. a kind of electromagnetic compatibility filter that is applicable to generator according to claim 1 is characterized in that: the shared toroidal core of described second inductance and described the 5th inductance.
4. a kind of electromagnetic compatibility filter that is applicable to generator according to claim 1, it is characterized in that: described input and described output all are arranged at the same side of the housing of described filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320080920XU CN203104283U (en) | 2013-02-21 | 2013-02-21 | Electromagnetic compatibility filter applicable to generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320080920XU CN203104283U (en) | 2013-02-21 | 2013-02-21 | Electromagnetic compatibility filter applicable to generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104283U true CN203104283U (en) | 2013-07-31 |
Family
ID=48855658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320080920XU Expired - Fee Related CN203104283U (en) | 2013-02-21 | 2013-02-21 | Electromagnetic compatibility filter applicable to generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104283U (en) |
-
2013
- 2013-02-21 CN CN201320080920XU patent/CN203104283U/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 |