CN108012511A - A kind of electromagnetic compatibility shielding cabinet - Google Patents
A kind of electromagnetic compatibility shielding cabinet Download PDFInfo
- Publication number
- CN108012511A CN108012511A CN201711473564.7A CN201711473564A CN108012511A CN 108012511 A CN108012511 A CN 108012511A CN 201711473564 A CN201711473564 A CN 201711473564A CN 108012511 A CN108012511 A CN 108012511A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- module
- spacing
- electromagnetic compatibility
- afterwards
- 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.)
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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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
- H05K7/1418—Card guides, e.g. grooves
-
- 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
- H05K9/0015—Gaskets or seals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention specially discloses a kind of electromagnetic compatibility shielding cabinet, its main feature is that the cabinet is using the front lower inlet air of cabinet and the passage and embedded ventilation waveguide window and Transparent shielding door of rear upper outlet air, wind turbine combination will be evacuated to some air passages of the inlet air on top through rear panel top and blow out, the rear panel top is equipped with air outlet, and air inlet is with embedding ventilation waveguide window and being reinforced by press strip at air outlet；The front panel is equipped with Transparent shielding door；All faces of cabinet are equipped with conductive rubber ring with face contact position.The present invention has compared with prior art prevents distinguished and admirable formed above back card/back board guide rail to be vortexed, and Transparent shielding door is easy to open and closes, and not only meets observation state, and meets electromagnetic shielding requirements, and anti-electromagnetism leakage performance is good, substantially increases heat dissipation effect.
Description
Technical field
The present invention relates to technical field of communication equipment, especially a kind of electromagnetic compatibility shielding cabinet.
Background technology
Cabinet is the electronic equipment especially support of Military Electronic Equipment first layer and protection metal shell, as circuit works
Frequency increasingly improve, the simple requirement that cannot have met electromagnetic compatibility standard by wiring board design, so resolving machine
The electromagnetic shielding sealing of case, is one of main means for solving electronic equipment electromagnetic compatibility problem.But cabinet sealing can cause to dissipate
Heat is bad, therefore it is one of difficult point for being currently needed for solution to plan as a whole electromagnetic compatibility and case radiation；We sometimes also need at the same time
Cabinet inside situation is observed, therefore it is required that cabinet local transparent, this part can not directly use metal material, and electromagnetism
Compatibility realizes one of difficult point.
Patent《CN201611078874.4》A kind of centralized high power off-network photovoltaic controller is disclosed,
Electromagnetic compatibility is realized using from functional unit and the extension of outlet hole number, is not carried out overall electromagnetic shielding；Patent
《CN201611226115.8》A kind of bridging arrangement and cabinet are disclosed, bulge-structure is set using in stitching portion, is improved conductive
Property, so as to fulfill electromagnetic compatibility, which can not divulge information and observe internal device state, also can not draw signal to outside；Specially
Profit《CN201710595603.4》A kind of integral type electrical control cabinet of High-power AC drives diesel locomotive is disclosed, using interior
The layout of portion's cellular construction solves electromagnetic compatibility problem, but can not realize integrally-built electromagnetic shielding.
The content of the invention
The purpose of the present invention is in view of the deficiencies of the prior art and design a kind of electromagnetic compatibility shielding cabinet, using cabinet
Front lower inlet air and the passage and embedded ventilation waveguide window and Transparent shielding door of rear upper outlet air, wind turbine combination will be evacuated to
Some air passages blowout of the inlet air in portion through rear panel top, effectively prevents distinguished and admirable formed above back card/back board guide rail to be vortexed, transparent
Shield door is easy to open and closes, and not only meets observation state, and meets electromagnetic shielding requirements, and anti-electromagnetism leakage performance is good,
Substantially increase heat dissipation effect.
The object of the present invention is achieved like this：A kind of electromagnetic compatibility shielding cabinet, including by front panel, left plate, the right side
The cabinet that side plate, rear panel, upper cover plate and lower cover form, and preceding slotting module upper rail, the preceding slotting mould being arranged in cabinet
Block lower guideway, afterwards slotting module upper rail, insert module lower guideway, wind turbine combination, backboard, preceding slotting module and insert module afterwards afterwards, it is special
Point is that the front panel lower part air port, left plate lower part air port and right plate lower part air port that are arranged on cabinet are pumped into by wind turbine combination
Cold wind is blown out by air outlet from rear panel top air port；The wind turbine combination is connected fixation by screw with preceding slotting module lower guideway；
Front panel lower part air port, left plate lower part air port, right plate lower part air port and rear panel top air port are equipped with embedded ventilation
Waveguide window；After described slotting module upper rail and afterwards slotting module lower guideway by the first spacing top bar, first it is spacing get out of a predicament or an embarrassing situation, second
Spacing top bar and second it is spacing get out of a predicament or an embarrassing situation with its be bonded control two guide rails upper and lower spacing, the first spacing top bar and
First spacing get out of a predicament or an embarrassing situation is arranged on left plate；The second spacing top bar and the second spacing get out of a predicament or an embarrassing situation are arranged on right plate
On, slotting module upper rail and rear slotting module lower guideway are connected with left plate, right plate for screw afterwards.
Slotting module is equipped with upper protection cap, lower protection cap, drawing-aid device, helps and pull out support column and installation screening conductive rubber after described
The groove of cushion rubber, the protection cap and lower protection cap insert the upper and lower both sides of module after being arranged on；The groove inserts module after being arranged on
Panel on.
The rear panel of the cabinet is equipped with boss, helps and pull out buckle and groove, and the boss coordinates with slotting module afterwards, and embedded
Screening conductive rubber ring is extruded in groove and realizes anti-electromagnetic exposure.
The front panel of the cabinet is equipped with and its hinged Transparent shielding door.
Slotting module upper rail is equipped with air passage after described.
The screening conductive rubber ring of anti-electromagnetic exposure is equipped between the upper cover plate and lower cover and cabinet of the cabinet.
The air outlet is arranged on the bottom plate equipped with suction opening.
The present invention has electro-magnetic screen function compared with prior art, and module is inserted before realization and is inserting module and backboard just afterwards
Often docking uses, and signal is guided to the connector of outside, and is subject to structural defence during slotting module docking use afterwards, and can be from
Some air passages of the inlet air through rear panel top for being evacuated to top are blown in the anterior observation cabinet internal device state of cabinet, wind turbine combination
Go out, effectively prevent distinguished and admirable formed above back card/back board guide rail to be vortexed, Transparent shielding door is easy to open and closes, and not only meets observation
State, and electromagnetic shielding requirements are met, anti-electromagnetism leakage performance is good, substantially increases heat dissipation effect.
Brief description of the drawings
Fig. 1 is structure of the present invention and scheme of installation；
Fig. 2 is air inlet structure schematic diagram of the present invention；
Fig. 3 is air exhausting structure schematic diagram of the present invention；
Fig. 4 inserts module upper rail scheme of installation after being；
Fig. 5~Fig. 6 is front-panel structure schematic diagram；
Fig. 7 is left side plate structure schematic diagram；
Fig. 8 is right side plate structure schematic diagram；
Fig. 9~Figure 10 is rear panel structure schematic diagram；
Figure 11~Figure 13 inserts formwork structure schematic diagram after being；
Figure 14 is wind turbine combining structure schematic diagram；
Figure 15 is back board structure schematic diagram.
Embodiment
Refering to 1~Fig. 4 of attached drawing, the present invention is included by front panel 1, left plate 2, right plate 3, rear panel 4,5 and of upper cover plate
Lower cover 6 form cabinet, and be arranged in cabinet preceding slotting module upper rail 7, preceding slotting module lower guideway 8, afterwards insert module
Upper rail 9, afterwards slotting module lower guideway 10, wind turbine combination 11, backboard 12, preceding slotting module 13 and rear slotting module 14, the blower fan group
What the front panel lower part air port 1-1 for being arranged on cabinet, left plate lower part air port 21 and right plate lower part air port 31 were pumped into by conjunction 11
Cold wind is blown out by air outlet 111 from rear panel top air port 41；The wind turbine combination 11 is connected by screw and preceding slotting module lower guideway 8
Connect fixation；Front panel lower part air port 1-1, left plate lower part air port 21, right plate lower part air port 31 and rear panel top wind
Mouth 41 is respectively equipped with embedded ventilation waveguide window 1-11；Slotting module upper rail 9 and rear slotting module lower guideway 10 are by the first limit after described
Position spacing get out of a predicament or an embarrassing situation of spacing 23, the second spacing top bar 32 and second of getting out of a predicament or an embarrassing situation of top bar 22, first 33 is bonded control two with it
The upper and lower spacing of guide rail, the first spacing top bar 22 and first is spacing to get out of a predicament or an embarrassing situation and 23 is arranged on left plate 2；Described
Two spacing top bars 32 and second are spacing to get out of a predicament or an embarrassing situation and 33 is arranged on right plate 3, slotting module upper rail 9 and leads afterwards under slotting module afterwards
Rail 10 is connected with left plate 2, right plate 3 for screw；After described slotting module 14 be equipped with upper protection cap 142, lower protection cap 143,
Drawing-aid device 144, help the groove 1411 for pulling out support column 145 and installing screening conductive rubber ring 15；The protection cap 142 and lower protection
Lid 143 inserts 14 upper and lower both sides of module after being arranged on；The groove 1411 is inserted after being arranged on the panel 141 of module 14；The machine
The rear panel 4 of case is equipped with boss 42, helps and pull out buckle 43 and groove 44；The boss 42 coordinates with rear module 14 of inserting, and insertion is recessed
Screening conductive rubber ring 15 is extruded in groove 1411 and realizes anti-electromagnetic exposure；The front panel 1 of the cabinet is equipped with and its hinge 1-3
The Transparent shielding door 1-2 of connection；The both sides of the backboard 12 are equipped with the connector docked with preceding slotting module 13 and rear slotting module 14
16；Slotting module upper rail 9 is equipped with air passage 92 after described；It is equipped between the upper cover plate 5 and lower cover 6 and cabinet of the cabinet anti-
The screening conductive rubber ring 15 of electromagnetic exposure；The air outlet 111 is arranged on the bottom plate 112 equipped with suction opening 1121；It is described
Cabinet uses front lower inlet air, the mode of rear upper outlet air, and cold wind is from being arranged under the front panel lower part air port 1-1 of cabinet, left plate
Portion air port 21 and right plate lower part air port 31 enter, and 11 top will be evacuated to by wind turbine combination, by air outlet 111 by wind from
4 top air port 41 of rear panel is blown out, and slotting module upper rail 9 is equipped with some air passages 92 afterwards, can prevent distinguished and admirable in rear slotting module
The top of guide rail 9 forms vortes interference heat dissipation.
Refering to attached drawing 2, Fig. 5 and Fig. 6,1 center section of front panel of the cabinet is equipped with Transparent shielding door 1-2, both meets
Observation state, and electromagnetic shielding requirements are met, hinge 1-3 is set between the shield door 1-2 and front panel 1, and shield door 1-2 can
Open downwards, be easy to open and close.
Refering to 5~Figure 10 of attached drawing, under the front panel lower part air port 1-1 of the cabinet, left plate lower part air port 21, right plate
Portion air port 31 and rear panel top air port 41 are equipped with embedded ventilation waveguide window 1-11, and are reinforced by press strip 1-12, waveguide of divulging information
Window 1-11 can effectively reduce the electromagnetic exposure of air inlet and air outlet.
Refering to 9~Figure 13 of attached drawing, the panel 141 of slotting module 14 is equipped with the recessed of installation screening conductive rubber ring 15 after described
Groove 1411, screening conductive rubber ring 15 are less than 1411 depth of groove, are inserted after preventing in 14 installation process of module, screening conductive rubber
Circle 15 occurs dislocation and influences electromagnetic sealing performance, and the rear panel 4 of cabinet is equipped with boss 42, and slotting module 14 is installed in place afterwards
Afterwards, boss 42 is embedded into groove 1411 just extrudes screening conductive rubber ring 15, so as to fulfill the panel 141 of rear slotting module 14
Directly good electrically continuous contact, prevents therebetween because causing electromagnetic exposure there are micro gap with groove 1411.
Refering to attached drawing 2, Fig. 3, Fig. 9, Figure 10, Figure 12 and Figure 13, slotting 14 upper and lower both sides of module are equipped with upper protection cap after described
142 and lower protection cap 143, protection cap plugs in the component height in module 14 after being highly higher than, prevent component in swapping process
Touch the 44 both sides side wall of groove on the rear panel 4 of cabinet and cause component to be damaged.
Refering to 9~Figure 13 of attached drawing, after described, slotting module 14, which is equipped with drawing-aid device 144 and helps, pulls out support column 145, on rear panel 4
Pull out buckle 43 equipped with helping, drawing-aid device 144 around help pull out support column 145 and rotate when, buckle 43 is pulled out in 144 top 1441 of drawing-aid device with helping
Top and bottom 431 and 432 contact, and form a laborsaving lever construction, effectively laborsaving into and out while helping and pull out support with module
Column 145 can be removed, and so as to fulfill the detachable of drawing-aid device 144, avoid 144 tail end of drawing-aid device from influencing connector on panel normally right
Connect.
Refering to attached drawing 14, the air outlet 111 of the wind turbine combination 11, which is installed on bottom plate 112, forms an entirety, convenient
Wind turbine bulk handling, the bottom plate 112 of wind turbine are equipped with suction opening 1121.
Refering to attached drawing 15,12 both sides of backboard, which are respectively mounted with preceding slotting module 13 and insert module 14 afterwards, docks the connection used
Device 16.
Simply the present invention is further illustrated above, and is not used to limitation this patent, and all is equivalence enforcement of the present invention,
It is intended to be limited solely by within the right of this patent.
Claims (8)
1. a kind of electromagnetic compatibility shielding cabinet, including by front panel, left plate, right plate, rear panel, upper cover plate and lower cover group
Into cabinet, and be arranged in cabinet preceding slotting module upper rail, preceding slotting module lower guideway, afterwards slotting module upper rail, rear insert
Module lower guideway, wind turbine combination, backboard, preceding slotting module and afterwards insert module, it is characterised in that wind turbine combination will be arranged on cabinet
The cold wind that front panel lower part air port, left plate lower part air port and right plate lower part air port are pumped into is by air outlet from rear panel top wind
Mouth blowout；The wind turbine combination is connected fixation by screw with preceding slotting module lower guideway；Under front panel lower part air port, left plate
Portion air port, right plate lower part air port and rear panel top air port are equipped with embedded ventilation waveguide window；After described slotting module upper rail and
Insert afterwards module lower guideway by the first spacing top bar, first it is spacing get out of a predicament or an embarrassing situation, the second spacing top bar and second spacing is got out of a predicament or an embarrassing situation
The upper and lower spacing of two guide rails of control is bonded with it, the first spacing top bar and the first spacing get out of a predicament or an embarrassing situation are arranged on left plate
On；The second spacing top bar and the second spacing get out of a predicament or an embarrassing situation are arranged on right plate, slotting module upper rail and afterwards slotting module afterwards
Lower guideway is connected with left plate, right plate for screw.
2. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that after described slotting module be equipped with upper protection cap, under
Protection cap, drawing-aid device, help the groove for pulling out support column and installing screening conductive rubber ring, and the protection cap and lower protection cap are arranged on
The upper and lower both sides of module are inserted afterwards；The groove is inserted after being arranged on the panel of module.
3. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that the rear panel of the cabinet is equipped with boss, helps
Buckle and groove are pulled out, the boss coordinates with slotting module afterwards, and extruding screening conductive rubber ring realizes that anti-electromagnetism is let out in embedded groove
Dew.
4. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that the front panel of the cabinet is equipped with and is cut with scissors with it
The Transparent shielding door of chain link.
5. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that the both sides of the backboard are equipped with and preceding slotting module
With the connector of rear slotting module docking.
6. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that slotting module upper rail is equipped with air passage after described.
7. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that the upper cover plate and lower cover and machine of the cabinet
The screening conductive rubber ring of anti-electromagnetic exposure is equipped between case.
8. electromagnetic compatibility shielding machine according to claim 1, it is characterised in that the air outlet is arranged on equipped with suction opening
On bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473564.7A CN108012511A (en) | 2017-12-29 | 2017-12-29 | A kind of electromagnetic compatibility shielding cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473564.7A CN108012511A (en) | 2017-12-29 | 2017-12-29 | A kind of electromagnetic compatibility shielding cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108012511A true CN108012511A (en) | 2018-05-08 |
Family
ID=62048984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711473564.7A Pending CN108012511A (en) | 2017-12-29 | 2017-12-29 | A kind of electromagnetic compatibility shielding cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108012511A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848644A (en) * | 2018-08-23 | 2018-11-20 | 上海航天科工电器研究院有限公司 | A kind of great-power electromagnetic sealing heat dissipating cabinet |
| CN112203466A (en) * | 2020-09-16 | 2021-01-08 | 成都航天通信设备有限责任公司 | VPX vehicle-mounted case |
| CN112462890A (en) * | 2020-12-29 | 2021-03-09 | 成都达士通科技有限公司 | PXI shielding case and PXI backboard |
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| CN107072088A (en) * | 2017-03-31 | 2017-08-18 | 贵州航天电子科技有限公司 | A kind of electronic equipment milling cabinet |
| CN107182192A (en) * | 2017-07-20 | 2017-09-19 | 中车永济电机有限公司 | The integral type electrical control cabinet of High-power AC drives diesel locomotive |
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| CN2613977Y (en) * | 2003-03-31 | 2004-04-28 | 常州市长城屏蔽机房设备有限公司 | Electromagnetic shielding cabinet |
| CN201181974Y (en) * | 2008-04-18 | 2009-01-14 | 大连捷成实业发展有限公司 | Macrotype multi-format mixed-insertion switch matrix |
| CN103298284A (en) * | 2013-06-19 | 2013-09-11 | 中国人民解放军总参谋部工程兵科研三所 | Electromagnetic shielding machine case |
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| CN108848644A (en) * | 2018-08-23 | 2018-11-20 | 上海航天科工电器研究院有限公司 | A kind of great-power electromagnetic sealing heat dissipating cabinet |
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| CN112462890A (en) * | 2020-12-29 | 2021-03-09 | 成都达士通科技有限公司 | PXI shielding case and PXI backboard |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180508 |