CN111511170A - Forced ventilation device for military electromagnetic shielding equipment - Google Patents
Forced ventilation device for military electromagnetic shielding equipment Download PDFInfo
- Publication number
- CN111511170A CN111511170A CN202010353444.9A CN202010353444A CN111511170A CN 111511170 A CN111511170 A CN 111511170A CN 202010353444 A CN202010353444 A CN 202010353444A CN 111511170 A CN111511170 A CN 111511170A
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- Prior art keywords
- fan
- frame
- side frame
- window
- connecting piece
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- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Blinds (AREA)
Abstract
The invention discloses a forced ventilation device for military electromagnetic shielding equipment, which comprises a movable shutter, a side frame and a fan for forced ventilation, wherein the movable shutter is arranged on the front side of the side frame; the fan is an axial flow fan and comprises a circular shell and fan blades arranged in the circular shell; the side frame front side is equipped with the internal fixation frame with the external fixation frame and the internal fixation of sinking of its leading flank parallel and level, the internal fixation frame is used for fixed mounting venetian blind, the external fixation frame is used for fixing the installation of forced draft device on for military use electromagnetic shield equipment. 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 forced ventilation device for military electromagnetic shielding equipment.
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. However, most of electromagnetic shielding equipment in the prior art is passive ventilation and fixed louver type, the passive ventilation and heat dissipation capability is insufficient, and the requirement of modern equipment cannot be met, and the field fixed louver type is increasingly not suitable for long-term standby equipment, because the equipment is in a standby state for most of time, large-area ventilation is basically not needed at the moment, the fixed louver type keeps large-area ventilation for a long time, dust can be accumulated at the louver position, the louver can be blocked as the time is prolonged, and when the electromagnetic shielding equipment is really required to be started for use, the ventilation and heat dissipation capability is insufficient, so that the equipment cannot be normally used; in addition, when the ventilation protection internal equipment needs to be temporarily closed due to the fact that storm is met, the fixed shutter does not have the function, and therefore equipment which can be used for opening ventilation and can be used for forced ventilation and heat dissipation is urgently needed to meet the requirements of modern automatic military equipment.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a forced ventilation device for military electromagnetic shielding equipment, which combines a movable shutter and a fan to achieve the purpose of forced ventilation, is more favorable for heat dissipation of the equipment, can open and close the shutter according to requirements, and achieves the purpose of unattended operation by adopting automatic control.
A forced draft device for military electromagnetic shielding equipment, characterized in that: including venetian blind, side frame and the fan that is used for forced draft, venetian blind installs the front side at the side frame, the fan is installed in the side frame of venetian blind rear side, the fan passes through the fan fixed plate to be fixed in the side frame, and fan fixed plate and side frame trailing flank parallel and level are equipped with the vent that corresponds with the fan position on the fan fixed plate.
As an improvement, the fan is an axial flow fan and comprises a circular shell and fan blades arranged in the circular shell.
As an improvement, the side frame front side is equipped with the external fixation frame rather than the leading flank parallel and level and the internal fixation frame of interior heavy, the internal fixation frame is used for fixed mounting venetian blind, the external fixation frame is used for fixing the installation of forced draft device on for military use electromagnetic shield equipment.
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 on the inner fixed plate of side frame, and 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 freely gliding the installing in the spout of horizontal direction.
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.
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 installs the fan between the movable shutter and the electromagnetic shielding net, and greatly improves the ventilation and heat dissipation capacity of the military equipment by using 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 forced draft apparatus according to the present invention.
FIG. 2 is an exploded view of the forced draft apparatus 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.
FIG. 5 is a schematic view of a fan according to an embodiment of the present invention.
1-side frame, 11-inner fixed frame, 12-outer fixed frame, 2-venetian blind, 201-fixed frame, 202-connecting piece, 203-vertical plate, 204-window leaf, 205-electric push rod, 206-driving pin, 207-pin shaft, 208-sliding groove, 209-dotted line circle, 4-fan fixed plate, 5-fan, 51-fan blade, 52-round shell and 6-ventilation opening.
Detailed Description
The invention is illustrated in the following with reference to the accompanying drawings.
As shown in fig. 1 to 5, a forced ventilation device for military electromagnetic shielding equipment comprises a venetian blind, a side frame 1 and a fan 5 for forced ventilation, wherein the venetian blind is installed at the front side of the side frame 1, the fan 5 is installed in the side frame 1 at the rear side of the venetian blind, the fan 5 is fixed in the side frame 1 by a fan fixing plate 4 (in an unlimited way, such as bolt fixing), wherein the fan fixing plate 4 is flush with the rear side surface of the side frame 1, and the fan fixing plate 4 is provided with a ventilation opening 6 corresponding to the position of the fan 5; in this embodiment, the fan 5 is an axial fan, which includes a circular housing 52 and fan blades 51 disposed in the circular housing 52, the front side of the side frame 1 is provided with an outer fixing frame 12 and an inner fixing frame 11 which are flush with the front side surface thereof, the inner fixing frame 11 is used for fixedly mounting the venetian blind 2, the outer fixing frame 12 is used for mounting and fixing the forced ventilation device on military electromagnetic shielding equipment, for example, the whole forced ventilation device and an electromagnetic shielding net are fixed together on a standby door or window, such as a ventilation window or a door of a radar car.
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 the two ends of the louvers 204 are mounted on the vertical frames at the two sides of the fixing frame 201 through a pin 207, the fixing frame 201 is mounted on the inner fixing frame 11 at the front side of the side frame 1, 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 sliding groove 208 in the horizontal direction is formed in the middle of the vertical plate 203, the power device includes a transmission pin 206 and a linear motion device for driving the transmission pin 206 to move up and down, and the transmission pin 206 can be freely slidably mounted in the sliding groove 208 in.
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 inner side of the side frame 1 through a fixing device.
The connecting member 202 is disposed at a position of the louver 204 close to the pin 207, and it can be seen from the schematic diagram that 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 with 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 1, generally speaking, the distance between the connecting point of 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. A forced draft device for military electromagnetic shielding equipment, characterized in that: including venetian blind, side frame and the fan that is used for forced draft, venetian blind installs the front side at the side frame, the fan is installed in the side frame of venetian blind rear side, the fan passes through the fan fixed plate to be fixed in the side frame, and fan fixed plate and side frame trailing flank parallel and level are equipped with the vent that corresponds with the fan position on the fan fixed plate.
2. A forced air apparatus according to claim 1, characterized in that: the fan is an axial flow fan and comprises a circular shell and fan blades arranged in the circular shell.
3. A forced air apparatus according to any one of claim 1, wherein: the side frame front side is equipped with the internal fixation frame with the external fixation frame and the internal fixation of sinking of its leading flank parallel and level, the internal fixation frame is used for fixed mounting venetian blind, the external fixation frame is used for fixing the installation of forced draft device on for military use electromagnetic shield equipment.
4. A forced air ventilation apparatus according to any one of claims 1 to 3, characterized in that: 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 an inner fixing plate of a side frame, the connecting piece is fixedly connected with each window leaf, the other end of each connecting piece is hinged to the corresponding vertical plate, a chute in the horizontal direction is formed in the middle of each vertical plate, 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 installed in the chute in the horizontal.
5. The forced air ventilation apparatus of claim 4, wherein: the connecting piece and the window vane are arranged obliquely upwards at an acute angle.
6. A forced air apparatus according to any one of claim 4, wherein: the linear motion device is an electric push rod, an air cylinder or a hydraulic cylinder.
7. A forced air apparatus according to any one of claim 4, wherein: the connecting piece is arranged at one side of the window leaf close to the pin shaft.
8. A forced air apparatus according to any one 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 |
|---|---|---|---|
| CN202010353444.9A CN111511170A (en) | 2020-04-29 | 2020-04-29 | Forced ventilation device for military electromagnetic shielding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353444.9A CN111511170A (en) | 2020-04-29 | 2020-04-29 | Forced ventilation device for military electromagnetic shielding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111511170A true CN111511170A (en) | 2020-08-07 |
Family
ID=71878244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010353444.9A Pending CN111511170A (en) | 2020-04-29 | 2020-04-29 | Forced ventilation device for military electromagnetic shielding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111511170A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672578A (en) * | 2021-01-15 | 2021-04-16 | 广东联凯智能科技有限公司 | Special signal detection device of thing networking |
| CN112969346A (en) * | 2021-02-18 | 2021-06-15 | 上海海事大学 | Electrical control device with heat dissipation protection device |
| CN113455688A (en) * | 2021-07-22 | 2021-10-01 | 安徽中科自动化股份有限公司 | Control method for controlling cold air door to be opened through wet bulb temperature |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050264993A1 (en) * | 2004-05-28 | 2005-12-01 | Kyocera Mita Corporation | Shielding box |
| 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 |
| CN205093054U (en) * | 2015-10-12 | 2016-03-16 | 深圳市汉古风科技有限公司 | Efficient cooling filter |
| CN206319806U (en) * | 2016-12-26 | 2017-07-11 | 绍兴市鼎赞环保科技有限公司 | Shutter |
| 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 CN202010353444.9A patent/CN111511170A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050264993A1 (en) * | 2004-05-28 | 2005-12-01 | Kyocera Mita Corporation | Shielding box |
| 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 |
| CN205093054U (en) * | 2015-10-12 | 2016-03-16 | 深圳市汉古风科技有限公司 | Efficient cooling filter |
| CN206319806U (en) * | 2016-12-26 | 2017-07-11 | 绍兴市鼎赞环保科技有限公司 | Shutter |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672578A (en) * | 2021-01-15 | 2021-04-16 | 广东联凯智能科技有限公司 | Special signal detection device of thing networking |
| CN112672578B (en) * | 2021-01-15 | 2022-03-25 | 广东联凯智能科技有限公司 | Special signal detection device of thing networking |
| CN112969346A (en) * | 2021-02-18 | 2021-06-15 | 上海海事大学 | Electrical control device with heat dissipation protection device |
| CN113455688A (en) * | 2021-07-22 | 2021-10-01 | 安徽中科自动化股份有限公司 | Control method for controlling cold air door to be opened through wet bulb temperature |
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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 |
Application publication date: 20200807 |
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| RJ01 | Rejection of invention patent application after publication |