CN205681384U - A kind of double layer screen three-phase alternating current electromagnetic interface filter - Google Patents
A kind of double layer screen three-phase alternating current electromagnetic interface filter Download PDFInfo
- Publication number
- CN205681384U CN205681384U CN201620580412.1U CN201620580412U CN205681384U CN 205681384 U CN205681384 U CN 205681384U CN 201620580412 U CN201620580412 U CN 201620580412U CN 205681384 U CN205681384 U CN 205681384U
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- China
- Prior art keywords
- alternating current
- phase alternating
- interface filter
- electromagnetic interface
- double layer
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Abstract
This utility model provides a kind of double layer screen three-phase alternating current electromagnetic interface filter.This wave filter includes the shell sealed and the filtering body being fixed in shell, and described shell includes that anti-electric layer and anti-magnetosphere, described anti-electric layer are added together with antimagnetic stacking.The shell of this utility model double layer screen three-phase alternating current electromagnetic interface filter uses anti-electric layer and anti-magnetosphere, can play the effect of dual anti-electromagnetic interference, and anti-electromagnetic interference is respond well.
Description
Technical field
This utility model relates to filter field, particularly relates to a kind of double layer screen three-phase alternating current electromagnetic interface filter.
Background technology
The low-pass filter circuit that three-phase alternating current electromagnetic interface filter is made up of current-limiting reactor and shnt capacitor, its effect
It is permission equipment frequency signal access arrangement when normally working, and high frequency disturbs signal have bigger inhibition.
At present, what the shell of existing three-phase alternating current electromagnetic interface filter generally used is aluminum, can only anti-electric jamming,
Can not disturb by magnetic-field, thus the ability of anti-electromagnetic interference is general, has certain limitation.
Utility model content
This utility model aims to overcome that the deficiency that prior art exists, thus provides a kind of double layer screen three-phase alternating current
Electromagnetic interface filter.
For achieving the above object, this utility model provides a kind of double layer screen three-phase alternating current electromagnetic interface filter.This wave filter
Including the shell sealed and the filtering body being fixed in shell, described shell includes anti-electric layer and anti-magnetosphere, described anti-electric
Layer is added together with antimagnetic stacking.
Preferably, described anti-electric layer is inner wall layer, and described anti-magnetosphere is outer wall layer.
Preferably, described anti-electric layer is outer wall layer, and described anti-magnetosphere is inner wall layer.
Preferably, together with described anti-magnetosphere is screwed in anti-electric layer.
Preferably, described anti-magnetosphere is bonded together by glue with anti-electric layer.
Preferably, described filtering body includes three-phase common mode reactor, differential mode capacitor, common mode capacitance, resistance and for even
Connect described three-phase common mode reactor, differential mode capacitor, common mode capacitance, the triple line of resistance.
Preferably, described shell side is provided with 3 through holes, is respectively used to draw the current input terminal of each phase line, described outside
The opposite side of shell is provided with 3 through holes, is respectively used to draw the current output terminal of each phase line.
Preferably, the thickness of described shell is 1-5 millimeter.
Preferably, the space between described shell and filtering body is filled with by thermal grease.
The shell of three-phase alternating current electromagnetic interface filter of the present utility model uses anti-electric layer and anti-magnetosphere, can play dual anti-electric
The effect of magnetic disturbance, anti-electromagnetic interference is respond well.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model double layer screen three-phase alternating current electromagnetic interface filter；
Fig. 2 is the shell mechanism schematic diagram of the double layer screen three-phase alternating current electromagnetic interface filter of this utility model one embodiment；
Fig. 3 is the shell mechanism schematic diagram of the double layer screen three-phase alternating current electromagnetic interface filter of another embodiment of this utility model.
Detailed description of the invention
For the technical scheme making those skilled in the art be better understood from this utility model embodiment, and make this reality
Can become apparent from understandable by the above-mentioned purpose of new embodiment, feature and advantage, below by drawings and Examples, to this reality
It is described in further detail by novel technical scheme.Based on the embodiment in this utility model, ordinary skill people
All other embodiments that member is obtained under not making creative work premise, broadly fall into the model of this utility model protection
Enclose.
Fig. 1 is the structural representation of this utility model double layer screen three-phase alternating current electromagnetic interface filter.
As it is shown in figure 1, this utility model double layer screen three-phase alternating current electromagnetic interface filter includes the shell 1 sealed and is arranged on
Filtering body 2 in shell.Space between shell 1 and filtering body 2 can be filled with by thermal grease.
Shell 1 side is provided with 3 through holes 13, is respectively used to draw the current input terminal of each phase line, and the opposite side of shell 1 is also
It is provided with 3 through holes 13, is respectively used to draw the current output terminal of each phase line.
Filtering body 2 includes three-phase common mode reactor L1, differential mode capacitor C1, C2, C3, C4, C5, C6, common mode capacitance C7, electricity
Resistance R1, R2, R3, R4, R5, R6 and being used for connect described three-phase common mode reactor L1, differential mode capacitor C1, C2, C3, C4, C5, C6,
Common mode capacitance C7 and the triple line of resistance R1, R2, R3, R4, R5, R6.
Connect three differential mode capacitors C1, C2, C3 before three-phase common mode reactor L1 and constitute differential mode filter circuit, three differential mode electricity
Hold C1, C2, C3 to be connected between triple line in the way of star-like connection.Differential mode capacitor and common mode is connected after three-phase common mode reactor L1
Electric capacity constitutes differential mode common mode hybrid filter IC.Three differential mode capacitors C4, C5, C6 are connected on three-phase input in the way of star-like connection
Between line, its neutral point is again by a common mode capacitance C7 ground connection, and differential mode capacitor C1, C2, C3, C4, C5, C6 is also respectively also simultaneously
Connection resistance R1, R2, R3, R4, R5, R6.
Fig. 2 is the shell mechanism schematic diagram of the double layer screen three-phase alternating current electromagnetic interface filter of this utility model one embodiment.
As in figure 2 it is shown, the shell 1 of the double layer screen three-phase alternating current electromagnetic interface filter in the present embodiment is by anti-electric jamming
The anti-magnetosphere 12 of anti-electric layer 11 and magnetic-field interference is superimposed.Anti-electric layer 11 is inner wall layer, and anti-magnetosphere 12 is outer wall layer.
Shell 1 side is provided with 3 through holes 13, is respectively used to draw the current input terminal of each phase line, and the opposite side of shell 1 is also
It is provided with 3 through holes 13, is respectively used to draw the current output terminal of each phase line.
Wherein, together with anti-magnetosphere 12 can be screwed in anti-electric layer 11.Also can be bonded together by glue.Outward
The thickness of shell 1 is 1-5 millimeter, depending on concrete thickness can be according to interference of electromagnetic field situation.The material of anti-electric layer 11 can use to be had
The aluminum of the ability of anti-electrical interference or copper, the material of anti-magnetosphere 12 can use ferrum or the permalloy of the ability with diamagnetic interference.
Fig. 3 is the shell mechanism schematic diagram of the double layer screen three-phase alternating current electromagnetic interface filter of another embodiment of this utility model.
As it is shown on figure 3, the shell 1 of the double layer screen three-phase alternating current electromagnetic interface filter in the present embodiment is by anti-electric jamming
The anti-magnetosphere 12 of anti-electric layer 11 and magnetic-field interference is superimposed.Anti-electric layer 11 is outer wall layer, and anti-magnetosphere 12 is inner wall layer.
Shell 1 side is provided with 3 through holes 13, is respectively used to draw the current input terminal of each phase line, and the opposite side of shell 1 is also
It is provided with 3 through holes 13, is respectively used to draw the current output terminal of each phase line.
Wherein, together with anti-magnetosphere 12 can be screwed in anti-electric layer 11.Also can be bonded together by glue.Outward
The thickness of shell 1 is 1-5 millimeter, depending on concrete thickness can be according to interference of electromagnetic field situation.The material of anti-electric layer 11 can use to be had
The aluminum of the ability of anti-electrical interference or copper, the material of anti-magnetosphere 12 can use ferrum or the permalloy of the ability with diamagnetic interference.
In sum, double layer screen three-phase alternating current electromagnetic interface filter shell of the present utility model uses anti-electric layer and anti-magnetosphere,
Can play the effect of dual anti-electromagnetic interference, anti-electromagnetic interference is respond well.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (9)
1. a double layer screen three-phase alternating current electromagnetic interface filter, including the shell sealed and the filtering body being fixed in shell,
It is characterized in that, described shell includes that anti-electric layer and anti-magnetosphere, described anti-electric layer are added together with antimagnetic stacking.
Double layer screen three-phase alternating current electromagnetic interface filter the most according to claim 1, it is characterised in that described anti-electric layer is interior
Parietal layer, described anti-magnetosphere is outer wall layer.
Double layer screen three-phase alternating current electromagnetic interface filter the most according to claim 1, it is characterised in that described anti-electric layer is outward
Parietal layer, described anti-magnetosphere is inner wall layer.
4. according to the double layer screen three-phase alternating current electromagnetic interface filter one of claims 1 to 3 Suo Shu, it is characterised in that described antimagnetic
Together with layer is screwed in anti-electric layer.
5. according to the double layer screen three-phase alternating current electromagnetic interface filter one of claims 1 to 3 Suo Shu, it is characterised in that described antimagnetic
Layer is bonded together by glue with anti-electric layer.
6. according to the double layer screen three-phase alternating current electromagnetic interface filter one of claims 1 to 3 Suo Shu, it is characterised in that described filtering
Body includes three-phase common mode reactor, differential mode capacitor, common mode capacitance, resistance and for connecting described three-phase common mode reactor, difference
Mould electric capacity, common mode capacitance, the triple line of resistance.
Double layer screen three-phase alternating current electromagnetic interface filter the most according to claim 6, it is characterised in that described shell side sets
Having 3 through holes, be respectively used to draw the current input terminal of each phase line, the opposite side of described shell is provided with 3 through holes, is respectively used to
Draw the current output terminal of each phase line.
Double layer screen three-phase alternating current electromagnetic interface filter the most according to claim 1, it is characterised in that the thickness of described shell
For 1-5 millimeter.
Double layer screen three-phase alternating current electromagnetic interface filter the most according to claim 1, it is characterised in that described shell and filtering
Space between body is filled with by thermal grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580412.1U CN205681384U (en) | 2016-06-14 | 2016-06-14 | A kind of double layer screen three-phase alternating current electromagnetic interface filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580412.1U CN205681384U (en) | 2016-06-14 | 2016-06-14 | A kind of double layer screen three-phase alternating current electromagnetic interface filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205681384U true CN205681384U (en) | 2016-11-09 |
Family
ID=57432222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580412.1U Expired - Fee Related CN205681384U (en) | 2016-06-14 | 2016-06-14 | A kind of double layer screen three-phase alternating current electromagnetic interface filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205681384U (en) |
-
2016
- 2016-06-14 CN CN201620580412.1U patent/CN205681384U/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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170619 Address after: 210000 K10 building, Wanshou Road Economic Development Zone, Pukou, Jiangsu, China, No. 15, Patentee after: NANJING JIARUISI ELECTRIC POWER TECHNOLOGY CO., LTD. Address before: 211111, Nanjing, Jiangsu province Jiangning District 2 Ting West Road, 100 Lakes Science and Technology Industrial Park 23 Patentee before: Nanjing Bonawei Electronic Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20170614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |