CN111526707A - Military shelter electromagnetic shielding breather with forced draft function - Google Patents
Military shelter electromagnetic shielding breather with forced draft function Download PDFInfo
- Publication number
- CN111526707A CN111526707A CN202010353605.4A CN202010353605A CN111526707A CN 111526707 A CN111526707 A CN 111526707A CN 202010353605 A CN202010353605 A CN 202010353605A CN 111526707 A CN111526707 A CN 111526707A
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- Prior art keywords
- electromagnetic shielding
- bottom plate
- frame
- net
- fan
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- 238000009423 ventilation Methods 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 5
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 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
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
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
- H05K9/0001—Rooms or chambers
- H05K9/0005—Shielded windows
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a military shelter electromagnetic shielding ventilation device with a forced ventilation function, which comprises an electromagnetic shielding shell, a side frame, a movable shutter, a net pressing frame and an electromagnetic shielding net, wherein the electromagnetic shielding shell is made of a conductive metal material, the electromagnetic shielding shell comprises a bottom plate and side plates arranged on the periphery of the bottom plate, the bottom plate and the side plates on the periphery of the bottom plate form a box-shaped structure, a ventilation opening for installing the electromagnetic shielding net is formed in the bottom plate, the electromagnetic shielding net is installed in the net pressing frame in a welding mode, the electromagnetic shielding net is installed on the ventilation opening of the electromagnetic shielding shell through the net pressing frame, the periphery of the net pressing frame is provided with connecting plates fixed on the bottom plate, the movable shutter is installed on the electromagnetic shielding shell through the side frame, and a fan for forced ventilation is further arranged in the. The invention effectively improves the ventilation performance and stability of the equipment while ensuring the electromagnetic shielding function, and can enable the radar vehicle to achieve the aim of unattended operation.
Description
Technical Field
The invention belongs to the field of electromagnetic shielding, relates to electromagnetic shielding ventilation equipment, and particularly relates to a military shelter electromagnetic shielding ventilation device with a forced ventilation function.
Background
Military equipment has extremely strict requirements on electromagnetic shielding, and particularly for radar vehicles and related equipment, along with informatization requirements, the radar vehicles need to be unattended, so that the requirements on ventilation are higher and higher, and the electromagnetic shielding performance cannot be reduced on the basis of improving the ventilation.
Chinese patent CN106522646A discloses an aluminum shielding ventilation window for military tent electromagnetic shielding, which solves the problem that conventional electromagnetic shielding equipment cannot be folded along with a tent, but is only applicable to a tent and is not used for electronic shielding and ventilation equipment with higher requirements, such as a radar car.
Disclosure of Invention
The invention aims to solve the problem of poor electromagnetic shielding and ventilation effects in the prior art, and provides a military shelter electromagnetic shielding and ventilation device with a forced ventilation function.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a military shelter electromagnetic shield breather with forced draft function which characterized in that: the electromagnetic shielding shell is made of a conductive metal material and comprises a bottom plate and side plates arranged on the periphery of the bottom plate, the bottom plate and the side plates on the periphery of the bottom plate form a box-shaped structure, a vent for installing the electromagnetic shielding net is arranged on the bottom plate, the electromagnetic shielding net is installed in the screen pressing frame in a welding mode, the electromagnetic shielding net is installed on the vent of the electromagnetic shielding shell through the screen pressing frame, connecting plates for fixing the screen pressing frame on the bottom plate are arranged on the periphery of the screen pressing frame, the movable shutter is installed on the electromagnetic shielding shell through the side frames, and a fan for forced ventilation is further arranged in the side frame between the electromagnetic shielding shell and the movable shutter.
As an improvement, the net pressing frame is connected with the electromagnetic shielding net through brazing or soldering, and the net pressing frame is connected with the electromagnetic shielding shell through screws.
As an improvement, the fan is installed in the side frame between the electromagnetic shielding shell and the movable shutter through a fan fixing plate, a round hole for fixing the fan is formed in the fan fixing plate, and the fan fixing plate is fixed on the side frame.
As the improvement, the venetian blind includes fixed frame, connecting piece, riser, a plurality of leaf and power device, leaf both ends upper portion is installed on the both sides munnion of fixed frame through the round pin axle, fixed frame is installed in one side of side frame, and the side frame opposite side is installed on the electromagnetic shield shell, and the connecting piece of the equal fixedly connected with of every leaf, the other end of connecting piece all link to each other with the riser is articulated, the riser middle part is equipped with the spout of horizontal direction, power device includes the linear motion device of transmission round pin and drive transmission round pin up-and-down motion, the transmission round pin can the free gliding installation of horizontal direction in the spout.
As an improvement, the connecting piece and the window vane are obliquely and upwards arranged at an acute angle.
As an improvement, the linear motion device is an electric push rod, an air cylinder or a hydraulic cylinder fixed on the side frame.
As an improvement, the connecting piece is arranged at the position of one side of the window vane close to the pin shaft.
As an improvement, the distance between the connecting point of the connecting piece and the window vane and the axle center of the pin shaft on the window vane is 1/4-1/2 of the width of the window vane.
The invention has the beneficial effects that:
the invention combines the electromagnetic shielding net and the movable shutter, greatly improves the rainproof capability of military equipment, has stable structure, drives the opening and closing of the window leaf through the electric push rod, has good stability and long service life, skillfully installs the fan between the movable shutter and the electromagnetic shielding net, and greatly improves the ventilation and heat dissipation capability of the military equipment by utilizing forced ventilation under the condition of keeping the electromagnetic shielding effect unchanged. The invention effectively improves the ventilation performance and stability of the equipment while ensuring the electromagnetic shielding function, and can enable the radar vehicle to achieve the aim of unattended operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the electromagnetic shielding ventilator for military shelter of the present invention.
Fig. 2 is an overall exploded view of the electromagnetic shielding ventilator for military shelter of the present invention.
Fig. 3 is a schematic view of a venetian blind according to an embodiment of the invention.
Fig. 4 is a schematic view of the opening and closing principle of the venetian blind according to the embodiment of the present invention.
1-electromagnetic shielding shell, 101-bottom plate, 102-screen pressing frame, 104-side plate, 105-ventilation opening, 106-fixed edge, 107-fan fixed plate, 108-connecting plate, 2-venetian blind, 201-fixed frame, 202-connecting piece, 203-vertical plate, 204-louver, 205-electric push rod, 206-driving pin, 207-pin shaft, 208-sliding groove, 209-dotted line circle, 3-electromagnetic shielding screen, 4-side frame and 5-fan.
Detailed Description
The invention is illustrated in the following with reference to the accompanying drawings.
As shown in fig. 1 to 4, an electromagnetic shielding ventilator for military shelter with forced ventilation function comprises an electromagnetic shielding shell 1, a side frame 4, a venetian blind 2, a net pressing frame 102 and an electromagnetic shielding net 3, wherein the electromagnetic shielding shell 1 is made of a conductive metal material, the electromagnetic shielding shell 1 comprises a bottom plate 101, a net pressing frame 102 and side plates 104 arranged on the periphery of the bottom plate 101, the bottom plate 101 and the side plates 104 on the periphery of the bottom plate 101 form a box-shaped structure, a vent 105 for installing the electromagnetic shielding net 3 is arranged on the bottom plate 101, the electromagnetic shielding net 3 is installed in the net pressing frame 102 by welding, a connecting plate 108 for fixing on the bottom plate 101 is arranged on the periphery of the net pressing frame 102, the connecting plate 108 of the net pressing frame 102 is fixed on the bottom plate 101 on the periphery of the vent 105 by bolts, so that the electromagnetic shielding net 3 covers the vent 105, and the venetian blind 2 is installed on the electromagnetic, still be equipped with the fan 5 that is used for forced draft in the side frame 4 between electromagnetic shield shell 1 and the venetian blind 2, fan 5 passes through fan fixed plate 107 and installs in the side frame 4 between electromagnetic shield shell 1 and venetian blind 2, be equipped with the round hole that is used for fixed fan 5 on the fan fixed plate 107, the base of fan 5 passes through the bolt fastening on the fan fixed plate 107 around the round hole, fan fixed plate 107 is fixed on the side frame.
Press and link to each other through brazing or tin soldering between net frame 102 and the electromagnetic shield net 3, the bottom plate 101 and the curb plate 104 of electromagnetic shield shell 1 adopt the panel beating to buckle for electromagnetic shield shell 1 integration preparation like this, effectual reduction magnetic leakage phenomenon, press and link to each other through the screw between the connecting plate 108 of net frame 102 and the bottom plate 101 of electromagnetic shield shell 1.
The front side of electromagnetic shield shell 1 is located to venetian blind 2, the curb plate 104 front side of electromagnetic shield shell 1 is equipped with fixed limit 106, be equipped with a plurality of screws on the fixed limit 106 for fix whole military shelter electromagnetic shielding breather on the door or the window for use, such as the ventilation window or the door of radar car.
The venetian blind 2 is arranged at the front side of the electromagnetic shielding shell 1 through a side frame 4, and a fan 5 for forced ventilation is further arranged in the side frame 4 between the electromagnetic shielding shell 1 and the venetian blind 2.
As shown in fig. 3 and 4, the venetian blind 2 includes a fixing frame 201, a connecting member 202, a vertical plate 203, a plurality of louvers 204 and a power device, the upper parts of both ends of the louvers 204 are mounted on the vertical frames at both sides of the fixing frame 201 through a pin 207, the fixing frame 201 is mounted at the front side of the side frame 4, the rear side of the side frame 4 is mounted on the electromagnetic shielding case 1 through a bolt, each louver 204 is fixedly connected with two connecting members 202, the other end of each connecting member 202 is hinged with the vertical plate 203, a horizontal sliding groove 208 is formed in the middle of the vertical plate 203, the power device includes a driving pin 206 and a linear motion device for driving the driving pin 206 to move up and down, and the driving pin 206 can be freely slidably mounted in the sliding groove 208 in the.
The connecting member 202 is disposed at an acute angle obliquely upward with respect to the slats 204, which angle generally relates to the angle at which the blind is to be opened, and defines a maximum opening angle a (for safety, the connecting member 202 is generally horizontal), which is 90-a, and generally the blind is required to have a certain function of preventing rain, and the opening angle a is generally 30-45 degrees, which is optimal for 45-60 degrees.
The linear motion device is an electric push rod 205, an air cylinder or a hydraulic cylinder, and for stability and convenience, the electric push rod 205 is selected, and the electric push rod 205 is installed on the side frame 4 through a fixing device.
The connecting member 202 is disposed at a position of the louver 204 close to the pin 207, and as can be seen from the schematic diagram of fig. 4, the closer the connecting member 202 is to the pin 207 on the corresponding louver 204, the smaller the rotation radius of the other end of the connecting member 202 is during the opening process of the louver 204, as shown in fig. 4, the dashed circle 209 is the motion track of the hinge point between the connecting member 202 and the vertical plate 203, and the smaller the displacement of the vertical plate 203 connected to the connecting member 202 in the horizontal direction is, which facilitates the installation of the vertical plate 203 and the driving device in the side frame 4, generally speaking, the distance between the connecting point between the connecting member 202 and the louver 204 and the axis of the pin 207 on the louver 204 is 1/4-1/2 of the width of the louver 204.
It should be noted that the connection relationship between the above components, which is not explicitly indicated, may be welding or riveting, or may be bolt or screw connection.
When the device is used, the device is arranged on a ventilation door or a ventilation window of a radar vehicle, when the device is not used or is in standby, the electric push rod 205 drives the transmission pin 206 to move upwards, the transmission pin 206 drives the vertical plate 203 to move upwards through the chute 208 and drives the window leaf 204 to close, when the radar vehicle is started and ventilation and heat dissipation are needed, the electric push rod 205 drives the transmission pin 206 to move downwards, the transmission pin 206 drives the vertical plate 203 to move downwards through the chute 208 and drives the window leaf 204 to open for a certain angle, generally 30-45 degrees, the ventilation and heat dissipation effects can be achieved, then the fan 5 is started as required, and rain can be prevented.
Claims (8)
1. The utility model provides a military shelter electromagnetic shield breather with forced draft function which characterized in that: the electromagnetic shielding shell is made of a conductive metal material and comprises a bottom plate and side plates arranged on the periphery of the bottom plate, the bottom plate and the side plates on the periphery of the bottom plate form a box-shaped structure, a vent for installing the electromagnetic shielding net is arranged on the bottom plate, the electromagnetic shielding net is installed in the screen pressing frame in a welding mode, the electromagnetic shielding net is installed on the vent of the electromagnetic shielding shell through the screen pressing frame, connecting plates for fixing the screen pressing frame on the bottom plate are arranged on the periphery of the screen pressing frame, the movable shutter is installed on the electromagnetic shielding shell through the side frames, and a fan for forced ventilation is further arranged in the side frame between the electromagnetic shielding shell and the movable shutter.
2. The military shelter electromagnetic shielding breather of claim 1, wherein: the screen pressing frame is connected with the electromagnetic shielding screen through brazing or soldering, and the screen pressing frame is connected with the electromagnetic shielding shell through screws.
3. The military shelter electromagnetic shielding breather of claim 1, wherein: the fan is installed in the side frame between the electromagnetic shielding shell and the movable shutter through the fan fixing plate, the fan fixing plate is provided with a round hole for fixing the fan, and the fan fixing plate is fixed on the side frame.
4. The military shelter electromagnetic shielding breather of claim 3, wherein: the movable blind window comprises a fixing frame, a connecting piece, a vertical plate, a plurality of window leaves and a power device, wherein the upper parts of the two ends of each window leaf are installed on vertical frames on the two sides of the fixing frame through pin shafts, the fixing frame is installed on one side of each side frame, the other side of each side frame is installed on the electromagnetic shielding shell, the connecting piece is fixedly connected with each window leaf, the other end of each connecting piece is hinged to the vertical plate, the middle part of each vertical plate is provided with a sliding groove in the horizontal direction, the power device comprises a transmission pin and a linear motion device for driving the transmission pin to move up and down, and the transmission pin can be freely.
5. The military shelter electromagnetic shielding breather of claim 4, wherein: the connecting piece and the window vane are arranged obliquely upwards at an acute angle.
6. The military shelter electromagnetic shielding ventilator of any of claim 4 wherein: the linear motion device is an electric push rod, an air cylinder or a hydraulic cylinder fixed on the side frame.
7. The military shelter electromagnetic shielding ventilator of any of claim 4 wherein: the connecting piece is arranged at one side of the window leaf close to the pin shaft.
8. The military shelter electromagnetic shielding ventilator of any of claim 4 wherein: the distance between the connecting point of the connecting piece and the window vane and the axle center of the pin shaft on the window vane is 1/4-1/2 of the width of the window vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353605.4A CN111526707A (en) | 2020-04-29 | 2020-04-29 | Military shelter electromagnetic shielding breather with forced draft function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353605.4A CN111526707A (en) | 2020-04-29 | 2020-04-29 | Military shelter electromagnetic shielding breather with forced draft function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111526707A true CN111526707A (en) | 2020-08-11 |
Family
ID=71904741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010353605.4A Pending CN111526707A (en) | 2020-04-29 | 2020-04-29 | Military shelter electromagnetic shielding breather with forced draft function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111526707A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972017A (en) * | 1995-09-06 | 1997-03-18 | Shimizu Corp | Electromagnetic shielding building in double shield window opening structure |
| CN102409948A (en) * | 2011-09-09 | 2012-04-11 | 苏州江南航天机电工业有限公司 | Internal opening type ventilating hole door for square cabin or carriage |
| CN203819465U (en) * | 2014-03-10 | 2014-09-10 | 范茂荣 | Rainproof hiding ventilation device |
| CN204206652U (en) * | 2014-09-18 | 2015-03-11 | 上海复亚通信科技有限公司 | A kind of outdoor anti-interference antipollution communication cabinet |
| CN204754691U (en) * | 2015-05-28 | 2015-11-11 | 一汽(四川)专用汽车有限公司 | Airtight type shelter shielding breather |
| CN206346832U (en) * | 2016-12-26 | 2017-07-21 | 雅柯斯电力科技（中国）有限公司 | A kind of electric-powered shutter for rain-proof type generating set case |
| CN107386921A (en) * | 2017-07-27 | 2017-11-24 | 彭转霞 | A kind of intelligent door that eliminates the unusual smell |
| CN207315170U (en) * | 2017-08-17 | 2018-05-04 | 浙江奥杰斯遮阳技术有限公司 | A kind of electric-powered shutter |
| CN108644154A (en) * | 2018-05-16 | 2018-10-12 | 国网宁夏电力有限公司石嘴山供电公司 | Intelligent axis circulation wind apparatus |
| CN109413952A (en) * | 2018-11-20 | 2019-03-01 | 芜湖国睿兆伏电子有限公司 | Dust barrier cooling system for solid-state modulator |
| CN109451719A (en) * | 2018-12-11 | 2019-03-08 | 贵州航天电子科技有限公司 | A kind of ventilation device with rain-proof dust-proof and electro-magnetic screen function |
| CN209888606U (en) * | 2019-05-27 | 2020-01-03 | 韩中华 | Electric ventilation interface window |
-
2020
- 2020-04-29 CN CN202010353605.4A patent/CN111526707A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972017A (en) * | 1995-09-06 | 1997-03-18 | Shimizu Corp | Electromagnetic shielding building in double shield window opening structure |
| CN102409948A (en) * | 2011-09-09 | 2012-04-11 | 苏州江南航天机电工业有限公司 | Internal opening type ventilating hole door for square cabin or carriage |
| CN203819465U (en) * | 2014-03-10 | 2014-09-10 | 范茂荣 | Rainproof hiding ventilation device |
| CN204206652U (en) * | 2014-09-18 | 2015-03-11 | 上海复亚通信科技有限公司 | A kind of outdoor anti-interference antipollution communication cabinet |
| CN204754691U (en) * | 2015-05-28 | 2015-11-11 | 一汽(四川)专用汽车有限公司 | Airtight type shelter shielding breather |
| CN206346832U (en) * | 2016-12-26 | 2017-07-21 | 雅柯斯电力科技（中国）有限公司 | A kind of electric-powered shutter for rain-proof type generating set case |
| CN107386921A (en) * | 2017-07-27 | 2017-11-24 | 彭转霞 | A kind of intelligent door that eliminates the unusual smell |
| CN207315170U (en) * | 2017-08-17 | 2018-05-04 | 浙江奥杰斯遮阳技术有限公司 | A kind of electric-powered shutter |
| CN108644154A (en) * | 2018-05-16 | 2018-10-12 | 国网宁夏电力有限公司石嘴山供电公司 | Intelligent axis circulation wind apparatus |
| CN109413952A (en) * | 2018-11-20 | 2019-03-01 | 芜湖国睿兆伏电子有限公司 | Dust barrier cooling system for solid-state modulator |
| CN109451719A (en) * | 2018-12-11 | 2019-03-08 | 贵州航天电子科技有限公司 | A kind of ventilation device with rain-proof dust-proof and electro-magnetic screen function |
| CN209888606U (en) * | 2019-05-27 | 2020-01-03 | 韩中华 | Electric ventilation interface window |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200811 |