CN205901696U - Take multilevel filter subassembly of surge voltage suppression - Google Patents
Take multilevel filter subassembly of surge voltage suppression Download PDFInfo
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- CN205901696U CN205901696U CN201620706536.XU CN201620706536U CN205901696U CN 205901696 U CN205901696 U CN 205901696U CN 201620706536 U CN201620706536 U CN 201620706536U CN 205901696 U CN205901696 U CN 205901696U
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- mode inductor
- surge
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Abstract
The utility model discloses a take multilevel filter subassembly of surge voltage suppression, including a common -mode inductor, the 2nd common -mode inductor, surge suppressor, a filter capacitance, the 2nd filter capacitance, the 3rd filter capacitance, fourth filter capacitance, the 5th filter capacitance, the 6th filter capacitance and the 7th filter capacitance. The utility model relates to a take multilevel filter subassembly of surge voltage suppression is through setting up two common -mode inductor and a surge suppressor to come long -time surge and voltage spike among the suppression circuit by surge suppressor cooperation filter capacitance, the output at the circuit is equipped with two -stage common -mode inductor and filter capacitance simultaneously, can supply and restrain preceding stage filter component for the electromagnetic interference of filtering, promotes filter component's performance.
Description
Technical field
This utility model is related to a kind of filtering unit, more particularly, to a kind of multiple-stage filtering assembly with surge voltage suppression.
Background technology
Conventional wave filter is to be combined by inductance and filter capacitor although filter can be had to instantaneous interference signal
Ripple acts on, but can not filter the interference signal of power-type, such as long surge, due to voltage spikes and thunderbolt.
Utility model content
The purpose of this utility model be that provide to solve the above problems a kind of with surge voltage suppression multistage
Filtering unit.
This utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of multiple-stage filtering assembly with surge voltage suppression, including the first common-mode inductor, the second common-mode inductor, wave
Gush suppressor, the first filter capacitor, the second filter capacitor, the 3rd filter capacitor, the 4th filter capacitor, the 5th filter capacitor,
Six filter capacitors and the 7th filter capacitor, the vin end of described surge suppressor is the electrode input end of described multiple-stage filtering assembly,
The vout end of described surge suppressor respectively with the first end of described first filter capacitor and described first common-mode inductor
One input connects, and the com end of described surge suppressor is divided into the negative input of described multiple-stage filtering assembly and with described the
Second input of the second end of one filter capacitor and described first common-mode inductor connects, and the of described first common-mode inductor
One outfan respectively with the first end of described second filter capacitor, the first end of described 3rd filter capacitor and described second common mode
The first input end of inducer connects, the second outfan of described first common-mode inductor respectively with described second filter capacitor
Second input of the second end, the first end of described 4th filter capacitor and described second common-mode inductor connects, and the described 3rd
Second end of the second end of filter capacitor and described 4th filter capacitor connects and is grounded, and the first of described second common-mode inductor
Outfan is connected with the first end of described 5th filter capacitor and the first end of described 6th filter capacitor respectively and is described many
The cathode output end of level filtering unit, the second outfan of described second common-mode inductor respectively with described 5th filter capacitor
The first end of the second end and described 7th filter capacitor connects and is the cathode output end of described multiple-stage filtering assembly, the described 6th
Second end of filter capacitor and the second end and described 7th filter capacitor connects and is grounded.
The beneficial effects of the utility model are:
A kind of multiple-stage filtering assembly with surge voltage suppression of this utility model passes through to arrange two common-mode inductors and
Individual surge suppressor, and filter capacitor comes long surge and due to voltage spikes in suppression circuit with surge suppressor, with
When circuit outfan equipped with two-stage common-mode inductor and filter capacitor, can supplement suppression prime filtering unit filter
Electromagnetic interference, the performance of boostfiltering assembly.
Brief description
Fig. 1 is a kind of circuit diagram of multiple-stage filtering assembly with surge voltage suppression described in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of multiple-stage filtering assembly with surge voltage suppression of this utility model, including the first common mode inductance
Device, the second common-mode inductor, surge suppressor, the first filter capacitor, the second filter capacitor, the 3rd filter capacitor, the 4th filtering
Electric capacity, the 5th filter capacitor, the 6th filter capacitor and the 7th filter capacitor, the vin end of described surge suppressor is described multistage
The electrode input end of filtering unit, vout end first end and the institute with described first filter capacitor respectively of described surge suppressor
The first input end stating the first common-mode inductor connects, and the com end of described surge suppressor is divided into described multiple-stage filtering assembly
Second input of negative input the second end with described first filter capacitor and described first common-mode inductor is connected, institute
State the first outfan of the first common-mode inductor respectively with the first end of described second filter capacitor, described 3rd filter capacitor
The first input end of first end and described second common-mode inductor connects, and the second outfan of described first common-mode inductor is respectively
With the second end of described second filter capacitor, the first end of described 4th filter capacitor and described second common-mode inductor second
Input connects, and the second end of described 3rd filter capacitor and the second end of described 4th filter capacitor connect and be grounded, described
First outfan of the second common-mode inductor respectively with the first end of described 5th filter capacitor and described 6th filter capacitor
First end connects and is the cathode output end of described multiple-stage filtering assembly, and the second outfan of described second common-mode inductor is respectively
It is connected with the second end of described 5th filter capacitor and the first end of described 7th filter capacitor and be described multiple-stage filtering assembly
Cathode output end, the second end of described 6th filter capacitor and the second end and described 7th filter capacitor connects and is grounded.
A kind of operation principle of the multiple-stage filtering assembly with surge voltage suppression of this utility model is as follows:
There are two common-mode inductors in the filter circuit of this filtering unit, installed a surge before common-mode inductor additional
Suppressor, with surge suppressor, filtering filter capacitor comes long surge and due to voltage spikes in suppression circuit, exists simultaneously
The outfan of circuit, equipped with two-stage common-mode inductor and the filter capacitor supporting with it, can supplement suppression prime filtering unit not
The electromagnetic interference filtering, improves the performance of filtering unit.
The detail list of wherein components and parts is as follows:
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, every according to skill of the present utility model
The technology deformation that art scheme is made, each falls within protection domain of the present utility model.
Claims (1)
1. a kind of with surge voltage suppression multiple-stage filtering assembly it is characterised in that: include the first common-mode inductor, the second common mode
Inducer, surge suppressor, the first filter capacitor, the second filter capacitor, the 3rd filter capacitor, the 4th filter capacitor, the 5th filter
Ripple electric capacity, the 6th filter capacitor and the 7th filter capacitor, the vin end of described surge suppressor be described multiple-stage filtering assembly just
Pole input, vout end first end and the described first common mode electricity with described first filter capacitor respectively of described surge suppressor
The first input end of sensor connects, and the com end of described surge suppressor is divided into the negative input of described multiple-stage filtering assembly simultaneously
It is connected with the second end of described first filter capacitor and the second input of described first common-mode inductor, described first common mode electricity
First outfan of sensor respectively with the first end of described second filter capacitor, the first end of described 3rd filter capacitor and described
The first input end of the second common-mode inductor connects, and the second outfan of described first common-mode inductor is filtered with described second respectively
Second input of the second end of ripple electric capacity, the first end of described 4th filter capacitor and described second common-mode inductor connects,
Second end of the second end of described 3rd filter capacitor and described 4th filter capacitor connects and is grounded, described second common mode inductance
First outfan of device is connected simultaneously with the first end of described 5th filter capacitor and the first end of described 6th filter capacitor respectively
For the cathode output end of described multiple-stage filtering assembly, the second outfan of described second common-mode inductor respectively with the described 5th filter
The first end of the second end of ripple electric capacity and described 7th filter capacitor connects and is the cathode output end of described multiple-stage filtering assembly,
Second end of described 6th filter capacitor and the second end and described 7th filter capacitor connects and is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706536.XU CN205901696U (en) | 2016-07-06 | 2016-07-06 | Take multilevel filter subassembly of surge voltage suppression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706536.XU CN205901696U (en) | 2016-07-06 | 2016-07-06 | Take multilevel filter subassembly of surge voltage suppression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205901696U true CN205901696U (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620706536.XU Active CN205901696U (en) | 2016-07-06 | 2016-07-06 | Take multilevel filter subassembly of surge voltage suppression |
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| CN (1) | CN205901696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370137A (en) * | 2017-08-03 | 2017-11-21 | 江苏煌恒通信设备制造有限公司 | A kind of power lightning protection maintaining method |
-
2016
- 2016-07-06 CN CN201620706536.XU patent/CN205901696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370137A (en) * | 2017-08-03 | 2017-11-21 | 江苏煌恒通信设备制造有限公司 | A kind of power lightning protection maintaining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, 14 floor, building D5, Tianfu Software Park, 216 Century City South Road, Chengdu High-tech Zone, Sichuan. Patentee after: Chengdu must control science and technology limited liability company Address before: 610000, 14 floor, building D5, Tianfu Software Park, 216 Century City South Road, Chengdu High-tech Zone, Sichuan. Patentee before: Chengdu Bikong Science and Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |