CN107820384A - A kind of isolation structure of wave filter and wave filter - Google Patents
A kind of isolation structure of wave filter and wave filter Download PDFInfo
- Publication number
- CN107820384A CN107820384A CN201711117088.5A CN201711117088A CN107820384A CN 107820384 A CN107820384 A CN 107820384A CN 201711117088 A CN201711117088 A CN 201711117088A CN 107820384 A CN107820384 A CN 107820384A
- Authority
- CN
- China
- Prior art keywords
- wave filter
- housing
- bottom plate
- isolation structure
- shielding device
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000000806 elastomer Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 9
- 229910000570 Cupronickel Inorganic materials 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0049—Casings being metallic containers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/006—Casings specially adapted for signal processing applications, e.g. CATV, tuner, antennas amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of wave filter and the isolation structure of wave filter, its structure includes：Housing, bottom plate, fixed ear, nameplate, ventilating opening, shield device, wave filter, fixing bolt, inner cage, external-connected port, housing is installed on above bottom plate and using interference fit, fixed ear is installed and using welding on the right side of bottom plate, nameplate is close to above housing and uses gemel connection, housing upper left side is provided with ventilating opening and uses mode connects for screw, shielding device is fixed on outside wave filter and using around connection, present invention shielding device is provided with welding pin, shell, conductive rubber, top cover, the method for realizing the radome of the prior art after improving is the filling conductive elastomer at gap, eliminate non-conductive point and reach stronger stability.
Description
Technical field
The present invention is a kind of isolation structure of wave filter and wave filter, belongs to xegregating unit technical field.
Background technology
Radome is made up of supporting leg and cover body, and supporting leg is to be flexibly connected with cover body；Cover body is in spherical crown shape, and this part mainly should
It is to prevent electromagnetic interference for fields such as mobile phone, GPS（EMI）, shielding actions, radome are risen to the element on pcb board and LCM
Material typically use the thick stainless steels of 0.2mm and foreign white copper as material, wherein foreign white copper is a kind of metal screen for easily going up tin
Cover material.The design of sucker is considered as during using SMT pasters.
But many people of prior art do not know about the principle of electromagnetic shielding, it is believed that as long as making a chest with metal, then will
Chest is grounded, it becomes possible to is played a part of electromagnetic shielding electromagnetic shielding and whether is grounded not relation with shield, really influences
Only two factors of shield shield effectiveness：One is that whole shield surface must be conductive continuous, and another is not
There can be the conductor for being directed through shield, there are many conductive discontinuity poinies on shield, most important one kind is shield difference
The non-conductive gap that part junction is formed.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of wave filter and the isolation structure of wave filter,
To solve the principle that many people of prior art do not know about electromagnetic shielding, it is believed that as long as a chest is made with metal, then by chest
Ground connection, it becomes possible to play a part of electromagnetic shielding electromagnetic shielding and whether be grounded not relation with shield, really influence shielding
Only two factors of body shield effectiveness：One is that whole shield surface must be conductive continuous, and another is that to have
The conductor of shield is directed through, there are many conductive discontinuity poinies on shield, most important one kind is shield different piece
The problem of non-conductive gap that junction is formed.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of wave filter and wave filter
Isolation structure, its structure includes：It is housing, bottom plate, fixed ear, nameplate, ventilating opening, shielding device, wave filter, fixing bolt, interior
Portion's cage, external-connected port, the housing are installed on above bottom plate and are provided with solid using interference fit, the bottom plate right side
Determine ear and using welding, the nameplate is close to above housing and uses gemel connection, and the housing upper left side is provided with logical
Air port and mode connects for screw is used, the shielding device is fixed on outside wave filter and using around connection, the fixing bolt
It is installed on below housing and is threadedly coupled with enclosure interior threaded block, the inner cage is fixed on enclosure interior simultaneously
And using interference fit, the housing rear is provided with external-connected port and is provided with welding using threaded connection, the shielding device
Pin, shell, conductive rubber, top cover, the welding pin is installed on below shell and uses interference fit, on the shell
Side is provided with conductive rubber and coordinated using gap, and the conductive rubber is close to inside top cover and uses gemel connection, institute
Welding pin is stated to be installed on above inner cage and using being welded and fixed.
Further, the external-connected port is installed on wave filter rear and used and is electrically connected by wire.
Further, running through below the bottom plate has fixing bolt and using flexible connection.
Further, the nameplate is installed on the left of ventilating opening and uses gemel connection.
Further, the shielding device is installed on inside inner cage and using interference fit.
Further, the conductive rubber is that synthetic material contacts conductive particle by pressure, reaches good conduction
Performance.
Further, the shielding device is that material typically uses the thick stainless steels of .mm and foreign white copper as material, wherein ocean is white
Copper is a kind of metal shield materials of easily upper tin.
Beneficial effect
Present invention shielding device is provided with welding pin, shell, conductive rubber, top cover, realizes the shielding of the prior art after improving
The method of cover is the filling conductive elastomer at gap, eliminates non-conductive point and reaches stronger stability.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of the isolation structure of a kind of wave filter of the present invention and wave filter.
Fig. 2 is the cross-sectional view of the isolation structure radome of a kind of wave filter of the present invention and wave filter.
Fig. 3 is the cross-sectional view of the isolation structure of a kind of wave filter of the present invention and wave filter.
In figure：Housing -1, bottom plate -2, fixed ear -3, nameplate -4, ventilating opening -5, shielding device -6, wave filter -7, fixed spiral shell
Bolt -8, inner cage -9, external-connected port -10, welding pin -601, shell -602, conductive rubber -603, top cover -604.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Fig. 1-Fig. 3 is referred to, the present invention provides a kind of isolation structure of wave filter and wave filter：Its structure includes：Housing
1st, bottom plate 2, fixed ear 3, nameplate 4, ventilating opening 5, shielding device 6, wave filter 7, fixing bolt 8, inner cage 9, external-connected port
10, the housing 1 is installed on the top of bottom plate 2 and is provided with fixed ear 3 using interference fit, the right side of bottom plate 2 and is adopted
With welding, the nameplate 4 is close to the top of housing 1 and uses gemel connection, and the upper left side of housing 1 is provided with ventilating opening 5 simultaneously
And mode connects for screw is used, the shielding device 6 is fixed on the outside of wave filter 7 and installed using around connection, the fixing bolt 8
It is threadedly coupled in the lower section of housing 1 and with the internal whorl block of housing 1, the inner cage 9 is fixed on the inside of housing 1 simultaneously
And using interference fit, the rear of housing 1 is provided with external-connected port 10 and is provided with using threaded connection, the shielding device 6
Welding pin 601, shell 602, conductive rubber 603, top cover 604, the welding pin 601 be installed on the lower section of shell 602 and
Using interference fit, the top of shell 602 is provided with conductive rubber 603 and coordinated using gap, the conductive rubber 603
It is close to the inside of top cover 604 and uses gemel connection, the welding pin 601 is installed on the top of inner cage 9 and used
It is welded and fixed, the external-connected port 10 is installed on the rear of wave filter 7 and used and is electrically connected by wire, the bottom plate 2
Through having fixing bolt 8 and using flexible connection, the nameplate 4 is installed on the left side of ventilating opening 5 and uses gemel connection for lower section,
The shielding device 6 is installed on the inside of inner cage 9 and led to using interference fit, the conductive rubber 603 for synthetic material
Excess pressure contacts conductive particle, reaches good electric conductivity, and the shielding device 6 is that material is typically thick not using 0.2mm
Rust steel and foreign white copper are material, and wherein foreign white copper is a kind of metal shield materials of easily upper tin.
Shielding device 6 is made up of welding pin 601, shell 602, conductive rubber 603, top cover 604 in the use of the present invention
The gap filling of shell 602 and top cover 604 can will be prevented wave filter 7 from interfering with each other inner cage 9 and using by conductive rubber 603
To prevent the interference ventilating opening 5 of external circuit from the temperature inside housing 1 can be made to be unlikely to the too high generation for reducing fault rate, change
The method of the radome of prior art after entering is the filling conductive elastomer at gap, eliminates non-conductive point and reaches stronger
Stability.
Conductive rubber inside shielding device 6 of the present invention be by glass silvering, aluminium is silver-plated, the conductive particle such as silver-colored is uniform
It is distributed in silicon rubber, contacts conductive particle by pressure, reaches good electric conductivity.It is military and it is commercial have should
With.Its main function is sealing and electromagnetic shielding.Product can be molded or extrusion molding, has on chip or other punching shapes can
It is selective.Shielding properties is up to 120 dB（10 GHz）.
Its structure and principle are all that this technology personnel can be learnt by technical manual or be known by normal experiment method,
The present invention solves the problems, such as it is principle that many people of prior art do not know about electromagnetic shielding, it is believed that as long as making a case with metal
Son, then chest is grounded, it becomes possible to play a part of electromagnetic shielding electromagnetic shielding and whether be grounded not relation with shield,
Really influence only two factors of shield shield effectiveness：One is that whole shield surface must be that conduction is continuous, separately
One is can not have the conductor for being directed through shield, there is many conductive discontinuity poinies on shield, and most important one kind is screen
The non-conductive gap of body different piece junction formation is covered, being combined with each other by above-mentioned part of the invention, improvement can be reached
The method of the radome of prior art afterwards is the filling conductive elastomer at gap, eliminates non-conductive point and reaches stronger steady
It is qualitative, it is described in detail below：
The welding pin 601 is installed on the lower section of shell 602 and using interference fit, and the top of shell 602, which is provided with, leads
Electric rubber 603 and the cooperation of use gap, the conductive rubber 603 is close to the inside of top cover 604 and uses gemel connection, described
Welding pin 601 is installed on the top of inner cage 9 and used and is welded and fixed.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. the isolation structure of a kind of wave filter and wave filter, its structure includes：Housing（1）, bottom plate（2）, fixed ear（3）, nameplate
（4）, ventilating opening（5）, shielding device（6）, wave filter（7）, fixing bolt（8）, inner cage（9）, external-connected port（10）, it is described
Housing（1）It is installed on bottom plate（2）Top and use interference fit, the bottom plate（2）Right side is provided with fixed ear（3）And adopt
With welding, the nameplate（4）It is close to housing（1）Top and use gemel connection, it is characterised in that：
The housing（1）Upper left side is provided with ventilating opening（5）And mode connects for screw is used, the shielding device（6）It is fixed on filtering
Device（7）Outside and use is around connection, the fixing bolt（8）It is installed on housing（1）Lower section and and housing（1）Internal spiral shell
Line block is threadedly coupled, the inner cage（9）It is fixed on housing（1）Internal and use interference fit, the housing
（1）Rear is provided with external-connected port（10）And using threaded connection；
The shielding device（6）Provided with welding pin（601）, shell（602）, conductive rubber（603）, top cover（604）, the welding
Pin（601）It is installed on shell（602）Lower section and use interference fit, the shell（602）Top is provided with conductive rubber
（603）And coordinated using gap, the conductive rubber（603）It is close to top cover（604）It is internal and use gemel connection, it is described
Welding pin（601）It is installed on inner cage（9）Top and using being welded and fixed.
2. the isolation structure of a kind of wave filter according to claim 1 and wave filter, it is characterised in that：The external-connected port
（10）It is installed on wave filter（7）Rear and using being electrically connected by wire.
3. the isolation structure of a kind of wave filter according to claim 1 and wave filter, it is characterised in that：The bottom plate（2）
Lower section, which is run through, fixing bolt（8）And using flexible connection.
4. the isolation structure of a kind of wave filter according to claim 1 and wave filter, it is characterised in that：The nameplate（4）
It is installed on ventilating opening（5）Left side and use gemel connection.
5. the isolation structure of a kind of wave filter according to claim 1 and wave filter, it is characterised in that：The shielding device
（6）It is installed on inner cage（9）Internal and use interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117088.5A CN107820384A (en) | 2017-11-13 | 2017-11-13 | A kind of isolation structure of wave filter and wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117088.5A CN107820384A (en) | 2017-11-13 | 2017-11-13 | A kind of isolation structure of wave filter and wave filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107820384A true CN107820384A (en) | 2018-03-20 |
Family
ID=61609655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711117088.5A Pending CN107820384A (en) | 2017-11-13 | 2017-11-13 | A kind of isolation structure of wave filter and wave filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107820384A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981068A (en) * | 2019-05-08 | 2019-07-05 | 合肥博元电子科技有限公司 | A kind of Novel Filter and its isolation structure |
| CN110739807A (en) * | 2019-10-14 | 2020-01-31 | 江西清华泰豪三波电机有限公司 | device for filtering output line of motor |
| CN111308876A (en) * | 2019-12-12 | 2020-06-19 | 河北工程大学 | Reflection type digital holographic microscope capable of reducing interference influence |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033336U (en) * | 2011-03-31 | 2011-11-09 | 青岛盛瀚色谱技术有限公司 | Anti-interference device of ion chromatography electric conductivity detector |
| CN204179182U (en) * | 2014-11-21 | 2015-02-25 | 江苏特兴通讯科技有限公司 | A kind of filter cavity of maskable noise signal |
-
2017
- 2017-11-13 CN CN201711117088.5A patent/CN107820384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033336U (en) * | 2011-03-31 | 2011-11-09 | 青岛盛瀚色谱技术有限公司 | Anti-interference device of ion chromatography electric conductivity detector |
| CN204179182U (en) * | 2014-11-21 | 2015-02-25 | 江苏特兴通讯科技有限公司 | A kind of filter cavity of maskable noise signal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981068A (en) * | 2019-05-08 | 2019-07-05 | 合肥博元电子科技有限公司 | A kind of Novel Filter and its isolation structure |
| CN110739807A (en) * | 2019-10-14 | 2020-01-31 | 江西清华泰豪三波电机有限公司 | device for filtering output line of motor |
| CN110739807B (en) * | 2019-10-14 | 2021-06-25 | 江西清华泰豪三波电机有限公司 | Device for filtering output line of motor |
| CN111308876A (en) * | 2019-12-12 | 2020-06-19 | 河北工程大学 | Reflection type digital holographic microscope capable of reducing interference influence |
| CN111308876B (en) * | 2019-12-12 | 2021-03-23 | 河北工程大学 | Reflection type digital holographic microscope capable of reducing interference influence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180823 Address after: 415000 group 2, Pan Shan village, Zhang Gong temple, Lixian, Changde, Hunan Applicant after: Hunan Jiayeda Electronic Co., Ltd. Address before: 415502 No. 170, Li Bei North District, Xiao Xi men neighborhood committee, Liyang Town, Lixian, Changde, Hunan, China. Ten Applicant before: Dai Chengping |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180320 |
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| WD01 | Invention patent application deemed withdrawn after publication |