CN107816301A - It is electromagnetically shielded wave-guide intake and processing method - Google Patents
It is electromagnetically shielded wave-guide intake and processing method Download PDFInfo
- Publication number
- CN107816301A CN107816301A CN201711004850.9A CN201711004850A CN107816301A CN 107816301 A CN107816301 A CN 107816301A CN 201711004850 A CN201711004850 A CN 201711004850A CN 107816301 A CN107816301 A CN 107816301A
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- Prior art keywords
- synusia
- face
- honeycomb
- electromagnetic shielding
- guide intake
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Waveguides (AREA)
Abstract
The invention provides one kind electromagnetic shielding wave-guide intake and processing method, belong to electromagnetism interference technical field.Electromagnetic shielding wave-guide intake includes multiple synusia.Synusia includes supporting part and is provided with multiple honeycomb holes located at the honeycomb portion of supporting part center, honeycomb portion.All synusia are set gradually from bottom to up, and all supporting parts stack to form edge housing, and all honeycomb portions stack to form central honeycomb.After all synusia stack connection, the supporting part of all synusia forms edge housing, and the honeycomb portion of all synusia forms central honeycomb, and central honeycomb has good structural stability, is not easily susceptible to destroy, resistance to elevated temperatures is strong.
Description
Technical field
The present invention relates to electromagnetism interference technical field, in particular to one kind electromagnetic shielding wave-guide intake and adds
Work method.
Background technology
Electromagnetic shielding wave-guide intake is to meet the multi-functional production that electromagnetic shielding, ventilation and mechanical performance etc. integrally require
Product, in each class of electronic devices for the electromagnetic shielding for being widely used to need high shielding effect, it solves logical using cut-off waveguide principle
The problem of wind and conflicting shielding, that is, solve the problems, such as that electromagnetic shielding solves heat dissipation problem again.
The structure of existing electromagnetic shielding wave-guide intake is made up of two parts, i.e. central honeycomb and edge housing, in
Heart honeycomb ceramics is connected with edge housing by the connected mode of machinery.Central honeycomb passes through glue by the thin plate of multiple corrugated structures
The mode connect is made, because introducing eutectic dispensing so that central honeycomb resistance to elevated temperatures is poor, low intensity, this electromagnetic screen
Covering wave-guide intake can not use under the high temperature conditions.
The content of the invention
It is an object of the invention to provide one kind to be electromagnetically shielded wave-guide intake, resistance to improve electromagnetic shielding wave-guide intake
The problem of high-temperature behavior is poor, low intensity.
It is an object of the invention to provide a kind of processing method for being electromagnetically shielded wave-guide intake, to improve electromagnetic shielding ripple
The problem of turning on poor air regulator resistance to elevated temperatures, low intensity.
What the present invention was realized in：
Based on above-mentioned first purpose, the present invention provides a kind of electromagnetic shielding wave-guide intake, including multiple synusia；
Synusia includes supporting part and is provided with multiple honeycomb holes located at the honeycomb portion of supporting part center, honeycomb portion；
All synusia are set gradually from bottom to up, and all supporting parts stack to form edge housing, and all honeycomb portions stack shape
Into central honeycomb.
Further, the both ends on supporting part thickness direction have first end face and second end face, honeycomb portion thickness direction
On both ends there is the 3rd end face and the 4th end face, the 3rd end face is with respect to the outwardly formation protuberance of first end face, the 4th end
Face opposing second end face caves inward to form depressed part, and the outline of protuberance and the Internal periphery of depressed part match.
Further, protuberance and depressed part are circle.
Further, the distance of the 3rd end face and first end face is the distance of the first distance, the 4th end face and second end face
For second distance, the first distance is equal to second distance.
Further, supporting part is provided with spacing hole, on all supporting parts corresponding spacing hole align to be formed it is spacing logical
Road；
Electromagnetic shielding wave-guide intake also includes locating part, and locating part is inserted in limit channels.
Further, the lateral wall of supporting part is provided with outwardly projection, and spacing hole is in projection.
Further, two adjacent synusia are connected by way of welding.
Further, supporting part and honeycomb portion are integral type structure.
Further, honeycomb hole is regular hexagon.
Based on above-mentioned second purpose, the present invention provides a kind of processing method for being electromagnetically shielded wave-guide intake, including following
Step：
Synusia is processed：Sharp processing and hole machined are carried out to each synusia, make to form multiple honeycomb holes on synusia；
Assembling：All synusia are stacked gradually and positioned from bottom to up；
Welding：Will stack, positioning after all synusia by Diffusion Welding together.
The beneficial effects of the invention are as follows：
The present invention provides a kind of electromagnetic shielding wave-guide intake, is stacked gradually and is formed by connecting from bottom to up by multiple synusia.
After all synusia stack connection, the supporting part of all synusia forms edge housing, the honeycomb portion formation center honeycomb of all synusia
Body, central honeycomb have good structural stability, and intensity is high, is not easily susceptible to destroy, resistance to elevated temperatures is strong.In addition, center
There is good globality and fastness between honeycomb ceramics and edge housing.
The present invention provides a kind of processing method for being electromagnetically shielded wave-guide intake, and first carrying out honeycomb hole to each synusia adds
Work, then each synusia is stacked and welded together, so as to obtain more firmly being electromagnetically shielded wave-guide intake, this electromagnetism
Wave-guide intake is shielded, while ensureing that there is enough thermal diffusivities, there is good resistance to elevated temperatures and survivability.
By this processing method ventilation surface roughness can be made to reach 0.2 micron, can effectively reduce the out-of-date resistance of fluid stream；Pass through
This processing method central honeycomb can be common honeycomb, can also be other polygons or irregular structure, go back
Can be the inhomogenous transition shape of size or random loose structure, the design for having liberated electromagnetic shielding ripple vent window may；Pass through
Electromagnetic shielding wave-guide intake good appearance obtained by this processing method；Surface smoothness and finish are good, with cabinet etc.
Installation pedestal fitting it is even closer, electromagnetic leakage rate more, in addition, electromagnetic shielding wave-guide intake honeycomb hole minimum diameter
Up to 0.5mm, make it possible fine shielding construction, while the aperture of minor diameter effectively increases its rigidity of structure.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of electromagnetic shielding conducting air regulator in the prior art；
Fig. 2 is the corrugated structure figure of the central honeycomb shown in Fig. 1；
Fig. 3 is the structural representation for the electromagnetic shielding wave-guide intake that the embodiment of the present invention 1 provides；
Fig. 4 is the structural representation of the synusia shown in Fig. 3；
Fig. 5 is the sectional view of the synusia shown in Fig. 3.
Icon：100- is electromagnetically shielded wave-guide intake；10- edges housing；20- central honeycombs；21- corrugated structures；30-
Synusia；31- supporting parts；311- first end faces；312- second end faces；313- is raised；314- spacing holes；32- honeycombs portion；321- honeybees
Socket bore；The end faces of 322- the 3rd；The end faces of 323- the 4th；33- protuberances；34- depressed parts；40- locating parts.
Embodiment
In the prior art, as shown in figure 1, electromagnetic shielding conducting air regulator is made up of two parts, i.e. edge frame and located at edge
The central honeycomb 20 of the center of housing 10, central honeycomb 20 are connected with edge housing 10 by way of buckle.Center
Honeycomb ceramics 20 includes multiple corrugated structures 21, and corrugated structure 21 is as shown in Figure 2.All corrugated structures 21 are connected by way of splicing
It is connected together and has just obtained central honeycomb 20.Due to introducing the glue of low melting point in central honeycomb 20 so that center honeycomb
The resistance to elevated temperatures of body 20 is poor, and this electromagnetic shielding wave-guide intake 100 can not be used under hot conditions again.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to which explanation, indicating position or position relationship are based on shown in accompanying drawing in the description of the embodiment of the present invention
Orientation or position relationship, or the invention product using when the orientation usually put or position relationship, or this area
The orientation or position relationship that technical staff usually understands, or the invention product using when the orientation usually put or position close
System, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " the
One ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the embodiment of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term
" setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1
As shown in figure 3, the present embodiment provides a kind of electromagnetic shielding wave-guide intake 100, including locating part 40 and multiple layers
Piece 30, all synusia 30 set gradually and connected from bottom to up, positioned between synusia 30 and synusia 30 by locating part 40.
Synusia 30 is metal material, such as aluminium alloy, copper alloy, titanium alloy, stainless steel, high temperature alloy, high temperature tungsten, high temperature
The metals such as niobium, High-Temperature Mo.In the present embodiment, as shown in figure 4, synusia 30 is circular configuration, synusia 30 includes supporting part 31 and position
In the honeycomb portion 32 of carrying center, supporting part 31 and honeycomb portion 32 are integral type structure, and supporting part 31 is entity structure, honeybee
Nest portion 32 is honeycomb, and honeycomb portion 32 is provided with multiple honeycomb holes 321, and honeycomb hole 321 is regular hexagon.
Wherein, as shown in figure 5, supporting part 31 is located at the border region of synusia 30, supporting part 31 is annular, and supporting part 31 has
There are first end face 311 and second end face 312, first end face 311 is respectively on the thickness direction of supporting part 31 with second end face 312
The end face at both ends.First end face 311 and second end face 312 are plane, and first end face 311 is parallel to second end face 312.Carrying
The lateral wall in portion 31 is provided with outwardly projection 313, and radial direction of the projection 313 along supporting part 31 extends.Protuberance 33
It can be one, two or more, in the present embodiment, protuberance 33 is three, and three circumferentially-spaceds of protuberance 33 are in holding
On the periphery wall in load portion 31.Protuberance 33 is provided with spacing hole 314, and the diameter parallel of spacing hole 314 is in the axis of supporting part 31.
Honeycomb portion 32 is circle, and the diameter in honeycomb portion 32 is consistent with the internal diameter of supporting part 31, and honeycomb portion 32 has the 3rd end
The end face 323 of face 322 and the 4th, the 3rd end face 322 and the 4th end face 323 are the end face at the both ends on the thickness direction of honeycomb portion 32.
3rd end face 322 and the 4th end face 323 are plane, and the 3rd end face 322 is parallel to the 4th end face 323, the both ends of honeycomb hole 321
The 3rd end face 322, the 4th end face 323 are penetrated respectively.
Wherein, the 3rd end face 322 is outwardly close to first end face 311,322 relative first end face 311 of the 3rd end face
Protuberance 33 is formed, protuberance 33 is circle, and the 4th end face 323 is close to second end face 312, and the 4th end face 323 is with respect to second
End face 312 caves inward to form depressed part 34, and depressed part 34 is circle.The outline of protuberance 33 and the Internal periphery of depressed part 34
Match, i.e. the internal diameter of the diameter of protuberance 33 and depressed part 34 matches.3rd end face 322 and the distance of first end face 311
For the first distance, the 4th end face 323 and the distance of second end face 312 are second distance, and the first distance is equal with second distance.
In the present embodiment, locating part 40 is bearing pin, and the aperture of the diameter and spacing hole 314 of bearing pin matches.
As shown in figure 3, during assembling, all synusia 30 are once set from bottom to up, in adjacent two synusia 30, positioned at upper
Protuberance 33 in the synusia 30 of side is inserted in the depressed part 34 in downside synusia 30, the supporting part in all synusia 30
31 are stacked, and the honeycomb portion 32 in all synusia 30 is stacked.Corresponding spacing hole 314 on all supporting parts 31
Alignment forms limit channels, and locating part 40 is inserted in limit channels.The first end face 311 of the synusia 30 of upside and the layer of downside
The second end face 312 of piece 30 is connected by way of welding, the synusia 30 of the 3rd end face 322 and downside in the synusia 30 of upside
The 4th end face 323 connected by way of welding.After all supporting parts 31 in all synusia 30 are stacked and welded together
The edge housing 10 of electromagnetic shielding wave-guide intake 100 is formed, all honeycomb portions 32 in all synusia 30 stack and are welded on one
The central honeycomb 20 of electromagnetic shielding wave-guide intake 100 is formed after rising.After all stackings of honeycomb portions 32 weld together, it is located at
Honeycomb hole 321 in the honeycomb portion 32 of the upside honeycomb hole 321 corresponding with the supporting part 31 positioned at downside aligns and connected.
A kind of electromagnetic shielding wave-guide intake 100 that the present embodiment provides, is stacked gradually from bottom to up by multiple synusia 30
It is welded, after all synusia 30 stack welding, all supporting parts 31 form edge housing 10, the honeycomb portion 32 of all synusia 30
Central honeycomb 20 is formed, central honeycomb 20 has good structural stability, is not easily susceptible to destroy, resistance to elevated temperatures is strong.
Because supporting part 31 and honeycomb portion 32 are integral type structure so that have between central honeycomb 20 and edge housing 10 good
Globality and fastness.Formed further, since electromagnetic shielding wave-guide intake 100 is multiple synusia 30, the honeycomb on synusia 30
Hole 321 can be processed as the aperture that inscribed circle diameter is less than 0.5mm so that and central honeycomb 20 is trickle shielding construction, so as to
Improve shield effectiveness.Certainly, the inscribed circle diameter of honeycomb hole 321 effectively improves the rigidity of structure of whole device compared with I.
In the present embodiment, outwardly protuberance 33 and the depressed part 34 to cave inward are formd on synusia 30, is easy to
Positioning between synusia 30 and synusia 30, the quick stacking between synusia 30 and synusia 30 can be achieved.When all butt welding of synusia 30
After forming electromagnetic shielding wave-guide intake 100, during overall thickness low LCL, it can continue to stack welding synusia 30, so as to enhance
The expansion of whole device.
In the present embodiment, distance and fourth end face 323 and second end face 312 of the 3rd end face 322 with first end face 311
Apart from equal so that after the 3rd end face 322 of the synusia 30 of upside contacts with the 4th end face 323 of the synusia 30 of downside, upside
Second end face 312 of the first end face 311 just with the synusia 30 of downside of synusia 30 contact, ensure that synusia 30 and synusia 30
Between there is enough contacts area so that between synusia 30 and synusia 30 weld after, more firmly.
In the present embodiment, it is electromagnetically shielded on wave-guide intake 100 and forms limit channels, locating part 40 is plugged in spacing logical
After in road, position-limiting action can be played, limits the rotation between synusia 30 and synusia 30, ensures the honeycomb between synusia 30 and synusia 30
Hole 321 being capable of quick alignment.The fastness after synusia 30 welds with synusia 30 can also be strengthened simultaneously.
In addition, in the present embodiment, the lateral wall of supporting part 31 is provided with projection 313, and spacing hole 314 is arranged on projection 313
On, the spacing hole 314 for being provided with the synusia 30 that can make upside of projection 313 is quickly right with the spacing hole 314 of the synusia 30 of downside
Together, packaging efficiency is improved.
In the present embodiment, the honeycomb hole 321 in honeycomb portion 32 is regular hexagon structure, and the honeycomb hole 321 of this structure can
While ensureing that electromagnetic shielding waveguide channels air regulator has good fan hot property, there is good shield effectiveness.In other tools
In body embodiment, honeycomb hole 321 can also be other shapes, such as, circular hole, other polygonal holes etc..
Embodiment 2
This implementation provides a kind of processing method of the electromagnetic shielding wave-guide intake 100 in above-described embodiment, specific steps
It is as follows：
Synusia 30 is processed：Sharp processing is carried out to each synusia 30 first, makes to form depressed part 34 and protrusion on synusia 30
Portion 33.Secondly, hole machined is carried out to each synusia 30, the center of synusia 30 is formed multiple honeycomb holes 321 and synusia 30
Upper formation spacing hole 314.Region on synusia 30 where honeycomb hole 321 is honeycomb portion 32, on synusia 30 beyond honeycomb portion 32
Region be supporting part 31.The mode of sharp processing and hole machined includes but is not limited to machining, precision stamping, electrolysis erosion
Carve, chemical etching；After carrying out hole machined to synusia 30, honeycomb hole 321 on synusia 30 can with regular hexagon or other
Polygon or irregular shape.
Surface treatment：After being machined to synusia 30, synusia 30 is surface-treated.Surface treatment mode includes but portion
It is limited to pickling, plating simple metal film, plating gradient metal film, surface polishing or Passivation Treatment.The surface of synusia 30 after surface treatment
Roughness can reach 0.2 micron, can effectively reduce the out-of-date resistance of fluid stream.
Assembling：The synusia 30 being surface-treated is stacked gradually from bottom to up so that on all synusia 30 with respect to limit
Position hole 314 align and form limit channels, into limit channels insert locating part 40, and by way of electric welding by synusia 30 with
Positioned between synusia 30.The mode of electric welding can be Laser Welding or electron beam weldering etc..
Welding：All synusia 30 for stacking, having good positioning are put into diffusion welding (DW) solid phase increasing material manufacturing device and are diffused weldering
Connect.Welding temperature is 0.75 times of the melting temperature of synusia 30, soaking time 0.5-2 hours.Because in welding process, it is necessary to the weldering that presses
Pressure is connect, therefore needs to set solder resist between workpiece and equipment pressure head, group solder flux can be the materials such as mica, ceramics.
The present embodiment provides a kind of processing method for being electromagnetically shielded wave-guide intake 100, and first each synusia 30 is added
Work, then each synusia 30 is stacked and welded together, so as to obtain more firmly being electromagnetically shielded wave-guide intake 100, this
Kind electromagnetic shielding wave-guide intake 100, while ensureing to have enough thermal diffusivities, has good resistance to elevated temperatures.By
Stacking welding is being carried out in being first processed to individual laminate, the roughness of the hole wall of honeycomb hole 321 can be reduced, can effectively be subtracted
The out-of-date resistance of few fluid stream.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. one kind electromagnetic shielding wave-guide intake, it is characterised in that including multiple synusia；
The synusia includes supporting part and is provided with multiple honeybees located at the honeycomb portion of the supporting part center, the honeycomb portion
Socket bore；
All synusia are set gradually from bottom to up, and all supporting parts stack to form edge housing, all honeycombs
Portion stacks to form central honeycomb.
2. electromagnetic shielding wave-guide intake according to claim 1, it is characterised in that on the supporting part thickness direction
Both ends have a first end face and second end face, and the both ends on honeycomb portion thickness direction have the 3rd end face and the 4th end face,
The outwardly formation protuberance of the relatively described first end face in 3rd end face, the relatively described second end face in the 4th end face to
Sunken inside forms depressed part, and the Internal periphery of the outline of the protuberance and the depressed part matches.
3. electromagnetic shielding wave-guide intake according to claim 2, it is characterised in that the protuberance and the depressed part
It is circle.
4. electromagnetic shielding wave-guide intake according to claim 2, it is characterised in that the 3rd end face and first end face
Distance be the first distance, the 4th end face and the distance of the second end face are second distance, and first distance is equal to
The second distance.
5. according to the electromagnetic shielding wave-guide intake described in claim any one of 1-4, it is characterised in that set on the supporting part
Limited location hole, corresponding spacing hole aligns to form limit channels on all supporting parts；
The electromagnetic shielding wave-guide intake also includes locating part, and the locating part is inserted in the limit channels.
6. electromagnetic shielding wave-guide intake according to claim 5, it is characterised in that set on the lateral wall of the supporting part
It is outwardly convex go out projection, the spacing hole located at it is described projection on.
7. electromagnetic shielding wave-guide intake according to claim 1, it is characterised in that two adjacent synusia pass through
The mode of welding connects.
8. electromagnetic shielding wave-guide intake according to claim 1, it is characterised in that the supporting part and the honeycomb portion
For integral type structure.
9. electromagnetic shielding wave-guide intake according to claim 1, it is characterised in that the honeycomb hole is regular hexagon.
10. a kind of processing method for being electromagnetically shielded wave-guide intake, it is characterised in that comprise the following steps：
Synusia is processed：Sharp processing and hole machined are carried out to each synusia, make to form multiple honeycomb holes on synusia；
Assembling：All synusia are stacked gradually and positioned from bottom to up；
Welding：Will stack, positioning after all synusia by Diffusion Welding together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004850.9A CN107816301B (en) | 2017-10-25 | 2017-10-25 | Electromagnetic shielding waveguide ventilation window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004850.9A CN107816301B (en) | 2017-10-25 | 2017-10-25 | Electromagnetic shielding waveguide ventilation window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107816301A true CN107816301A (en) | 2018-03-20 |
| CN107816301B CN107816301B (en) | 2020-04-07 |
Family
ID=61608523
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004850.9A Active CN107816301B (en) | 2017-10-25 | 2017-10-25 | Electromagnetic shielding waveguide ventilation window |
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| CN (1) | CN107816301B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297446B1 (en) * | 1999-02-26 | 2001-10-02 | Hewlett Packard Company | High performance EMC vent panel |
| CN203423898U (en) * | 2013-08-09 | 2014-02-05 | 常州新区金利达电子有限公司 | Ventilation waveguide window |
| US20150060130A1 (en) * | 2013-08-27 | 2015-03-05 | Parker-Hannifin Corporation | Emi shielding vent panel frame |
| CN205491652U (en) * | 2016-03-31 | 2016-08-17 | 常州市多极电磁环境技术有限公司 | Waveguide window |
| CN205546407U (en) * | 2016-01-26 | 2016-08-31 | 中控高科（北京）安全技术有限公司 | Electromagnetic shield window with but air permeability |
| CN207080140U (en) * | 2017-10-25 | 2018-03-09 | 陕西智拓固相增材制造技术有限公司 | It is electromagnetically shielded wave-guide intake and electromagnetic shield door |
-
2017
- 2017-10-25 CN CN201711004850.9A patent/CN107816301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297446B1 (en) * | 1999-02-26 | 2001-10-02 | Hewlett Packard Company | High performance EMC vent panel |
| CN203423898U (en) * | 2013-08-09 | 2014-02-05 | 常州新区金利达电子有限公司 | Ventilation waveguide window |
| US20150060130A1 (en) * | 2013-08-27 | 2015-03-05 | Parker-Hannifin Corporation | Emi shielding vent panel frame |
| CN205546407U (en) * | 2016-01-26 | 2016-08-31 | 中控高科（北京）安全技术有限公司 | Electromagnetic shield window with but air permeability |
| CN205491652U (en) * | 2016-03-31 | 2016-08-17 | 常州市多极电磁环境技术有限公司 | Waveguide window |
| CN207080140U (en) * | 2017-10-25 | 2018-03-09 | 陕西智拓固相增材制造技术有限公司 | It is electromagnetically shielded wave-guide intake and electromagnetic shield door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107816301B (en) | 2020-04-07 |
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