CN103298284A - Electromagnetic shielding machine case - Google Patents
Electromagnetic shielding machine case Download PDFInfo
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- CN103298284A CN103298284A CN2013102418169A CN201310241816A CN103298284A CN 103298284 A CN103298284 A CN 103298284A CN 2013102418169 A CN2013102418169 A CN 2013102418169A CN 201310241816 A CN201310241816 A CN 201310241816A CN 103298284 A CN103298284 A CN 103298284A
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- electromagnetic shielding
- aviation plug
- cabinet
- cabinet housing
- machine case
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- 239000000463 material Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 241001466460 Alveolata Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses an electromagnetic shielding machine case which is composed of a machine case housing (1), side panels (9), waveguide windows, an aviation plug (8) and a power filter (12). Two side panels (9) are arranged on choke grooves (13) on two lateral sides of the machine case housing (1) respectively, the aviation plug (8) and the power filter (12) are arranged in the machine case housing (1), and a front side panel (6) and a rear side panel (11) are respectively provided with a waveguide window to achieve a purpose of efficient shielding. The electromagnetic shielding machine case is clear in structure and good in practicality, achieves the purposes of being convenient to move, high in shielding efficiency, safety and reliability, good in environment adaptation and wide in application range, solves the problems of computer damage caused by electronic pulse and electromagnetic information leaking and is suitable for military and confidential situations.
Description
Technical field
The present invention relates to electromagnetic protection technology (electromangnetic spectrum) field, relate generally to a kind of electromagnetic shielding cabinet.
Background technology
Known, along with the continuous development and progress of science and technology, microelectronic device obtains extensive use in various military hardwares and the product for civilian use, especially computer infiltration applications to all trades and professions, and become equipment indispensable in military equipment and the product for civilian use, play a part very important.On the other hand, develop rapidly and the application of subjects such as high-energy electronics, Pulse Power Techniques and antenna technology make that utilizing conventional energy to produce the strong electromagnetic pulse environment becomes possibility.Studies show that: this strong electromagnetic pulse can form serious interference or damage to electronic equipment and the system that is in this environment.In a sense, electronic degree is more high, and the anti-electromagnetism striking capabilities of electronic equipment itself is also just more fragile.Therefore, the department of computer science that utilizes strong electromagnetic pulse to attack the other side unifies and utilizes the electromagnetic signal of the other side's computer system leakage to obtain information, becomes a kind of " belligerent " means of opposing sides.How to computer system effectively protect become must in the face of and the problem that solves, simultaneously, effectively reduce electromagnetic radiation; prevent electromagnetic interference; the protection important goal, the important content that also becomes research and pay close attention to, corresponding various electromagnetic protection technology also are developed.
At present the electromagnetic protection to computer system mainly contains two kinds of methods, and a kind of method is to utilize shielding material such as metal to make EM shielded room, comprises welded type shielded enclosure, split mounting type shielded enclosure, electronic equipments such as computer system is positioned in the shielded enclosure works.The screening effectiveness height of this method, but cost is also very high, and it is big to take up room, and generally is fit to have the unit employing of security properties.Another kind method is to use specially the electromagnetic shielding computer desk at the computer design, main frame and display is positioned in the shielding computer desk works.The screening effectiveness of this method is moderate, but cost is lower, and volume is less relatively, and the scope of application is wider, and entity and individual all can use; But big, mobile inconvenience that the defective of above method maximum is weight.The common computer host interface is not taked the electromagnetic protection of specialty, more lack relevant safeguard, this has brought potential safety hazard with regard to the integral protection of giving computer system, electromagnetic pulse can be coupled into computer-internal by keyboard, mouse, interface and connecting line thereof, indirectly computer is caused and disturbs or damage; The electromagnetic information of being gone out by cabinet radiation simultaneously also is hunted down easily, and information leakage takes place, and causes potential safety hazard.
Summary of the invention
For overcoming the deficiency in the background technology, the invention discloses a kind of electromagnetic shielding cabinet, it makes the cabinet shield shell by adopting metal material, two side panels are installed respectively on the choke groove on the cabinet housing two sides, and at cabinet inside aviation plug and power-supply filter are set, on the last front and back panel again the guided wave window is set respectively and front shroud reaches the purpose of high-efficiency shielding with this.
For realizing aforesaid goal of the invention, the present invention adopts technical scheme as described below:
A kind of electromagnetic shielding cabinet, comprise the cabinet housing, side panel, interface board, front panel, the start button, the ventilation waveguide window, aviation plug and power-supply filter, two sides at the cabinet housing are provided with opening, edge of opening is provided with the choke groove that concaves, also be respectively equipped with corresponding choke groove on two side panels, be connected with the cabinet housing by choke groove, be provided with soft shielding materials in the choke groove, the front panel of cabinet housing is provided with interface board, preceding waveguide window and start button, start key medial surface is provided with connecting rod, connecting rod passes waveguide and is connected with start triggering key, interface board is provided with front shroud, the rear board of cabinet enclosure interior be provided with aviation plug and the back waveguide window, aviation plug respectively with keyboard, mouse and display are connected, and the bottom of cabinet enclosure interior is provided with power-supply filter.
Described cabinet housing is rectangular structure, and the cabinet housing is made by metal shield materials.
Described leading wave window and back guided wave window shape are rectangle, are made by the metal foaming material.
Described aviation plug has three at least, and aviation plug is cylindrical structure, and aviation plug is provided with metal coating knob lid.
Described choke groove cross sectional shape is round rectangle.
Described soft shielding materials is metal net shaped braid.
Described interface board is provided with all kinds of computer interfaces hole.
Described power-supply filter is elongated cube structure.
Adopt aforesaid technical scheme, the present invention has superiority as described below:
A kind of electromagnetic shielding mouse cabinet of the present invention, comprise cabinet housing, side panel, waveguide window, aviation plug and power-supply filter, by two side panels are installed respectively on the choke groove on the cabinet housing two sides, and at cabinet inside aviation plug and power-supply filter are set, on plate and the rear board guided wave window is set respectively in front, front shroud is set on the plate in front reaches the purpose of high-efficiency shielding with this; Clear in structure of the present invention, practical, screening effectiveness height, conveniently moving, security reliability height, environmental suitability target strong, applied widely have been realized, solved the problem that the problem that computer damaged because of electronic impulse and electromagnetism are divulged a secret, be adapted at military and the interior promotion and application of area of security.
Description of drawings
Fig. 1 is perspective view of the present invention.
Among the figure: 1, cabinet housing; 2, interface board; 3, interface holes; 4, start button; 5, preceding waveguide window; 6, front panel; 7, front shroud; 8, aviation plug; 9, side panel; 10, back guided wave window; 11, rear board; 12, power-supply filter; 13, choke groove.
Embodiment
Can explain the present invention in more detail by the following examples, disclose purpose of the present invention and be intended to protect all technological improvements in the scope of the invention.
1 described a kind of electromagnetic shielding cabinet by reference to the accompanying drawings; comprise cabinet housing 1; side panel 9; waveguide window; aviation plug 8 and power-supply filter 12; two sides at cabinet housing 1 are provided with opening; the limit of opening is provided with choke groove 13; two side panels 9 are connected with cabinet housing 1 by choke groove 13 respectively; the front panel 6 of cabinet housing 1 is provided with interface board 2; preceding waveguide window 5 and start button 4; start button 4 medial surfaces are provided with connecting rod; connecting rod passes waveguide and is connected with start triggering key; interface board 2 is provided with front shroud 6; the rear board 11 of cabinet housing 1 inside is provided with aviation plug 8 and back waveguide window 10; aviation plug 8 is respectively at keyboard; mouse and display are connected; the bottom of cabinet housing 1 inside is provided with power-supply filter 12; described cabinet housing 1 is the quadrangular structure; cabinet housing 1 is made by metal shield materials; described leading wave window and back guided wave window are rectangle; circular or oval alveolate texture; described aviation plug 8 has one at least; aviation plug 8 is cylindrical structure; aviation plug 8 is provided with protection knob lid; be provided with soft shielding materials in the described choke groove 13, described interface board 2 is provided with interface holes 3.
Implement a kind of electromagnetic shielding cabinet of the present invention; when work; take out in the choke groove 13 with a side panel 9 slave tank shells 1 side of cabinet housing 1 side; the needed mainboard of computer; CPU; fan; video card; equipment such as hard disk are encased in the cabinet housing 1; and waveguide window 5 is installed fan with the position of back guided wave window 10 before cabinet housing 1 inside; open the protection knob lid on the aviation plug 8; side panel 9 is covered in the choke groove 13 of cabinet housing 1 side then; at last with mouse; keyboard; equipment such as display are connected with aviation plug 8; the front shroud of opening on the front panel 67 can insert DVD in the interface holes 3 of interface board 2; USB and audio frequency apparatus; press start button 4 after installing, the connecting rod on start button 4 medial surfaces can trigger start triggering key starts working computer.
The present invention draws following technical indicator under process applicant experiment repeatedly:
Screening effectiveness: electric field decay 〉=80dB, field decay 〉=60dB;
Shielding properties of the present invention is better than " the B level among the GJB5792-2006 " standard.
The present invention has taked multiple safeguard procedures in use, and environmental suitability is strong, and the present invention is based on hardware, has structural strength height, characteristics that anti-wear performance is good, simultaneously to all having carried out anticorrosion, processing such as antirust inside and outside the metal shell.By above measure, guaranteed the serviceability of the present invention under complexity, adverse circumstances, have application scenario widely.
Part not in the detailed description of the invention is prior art.
The embodiment that selects for use in this article in order to disclose purpose of the present invention currently thinks to suit, and still, will be appreciated that the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and the invention scope.
Claims (7)
1. electromagnetic shielding cabinet, comprise cabinet housing (1), side panel (9), waveguide window, aviation plug (8) and power-supply filter (12), it is characterized in that: the two sides at cabinet housing (1) are provided with opening, edge of opening is provided with choke groove (13), two side panels (9) are connected with cabinet housing (1) by choke groove (13) respectively, the front panel (6) of cabinet housing (1) is provided with interface board (2), preceding waveguide window (5) and start button (4), start button (4) medial surface is provided with connecting rod, connecting rod passes waveguide and is connected with start triggering key, interface board (2) is provided with front shroud (6), the inner rear board (11) of cabinet housing (1) is provided with aviation plug (8) and back waveguide window (10), aviation plug (8) is respectively at keyboard, mouse and display are connected, and the inner bottom of cabinet housing (1) is provided with power-supply filter (12).
2. a kind of electromagnetic shielding cabinet according to claim 1 is characterized in that: described cabinet housing (1) is rectangular structure, and cabinet housing (1) is made by metal shield materials.
3. a kind of electromagnetic shielding cabinet according to claim 1 is characterized in that: described leading wave window and back guided wave window are the rectangular metal expanded material.
4. a kind of electromagnetic shielding cabinet according to claim 1, it is characterized in that: described aviation plug (8) has three at least, and aviation plug (8) is cylindrical structure, and aviation plug (8) is provided with metal coating knob lid.
5. a kind of electromagnetic shielding cabinet according to claim 1, it is characterized in that: described choke groove (13) cross sectional shape is round rectangle, in establish soft shielding materials.
6. a kind of electromagnetic shielding cabinet according to claim 1, it is characterized in that: described interface board (2) is provided with interface holes (3).
7. a kind of electromagnetic shielding cabinet according to claim 1, it is characterized in that: described power-supply filter (12) is elongated cube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102418169A CN103298284A (en) | 2013-06-19 | 2013-06-19 | Electromagnetic shielding machine case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102418169A CN103298284A (en) | 2013-06-19 | 2013-06-19 | Electromagnetic shielding machine case |
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| CN103298284A true CN103298284A (en) | 2013-09-11 |
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| CN2013102418169A Pending CN103298284A (en) | 2013-06-19 | 2013-06-19 | Electromagnetic shielding machine case |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797624A (en) * | 2017-11-08 | 2018-03-13 | 苏州固特斯电子科技有限公司 | A kind of casing |
| CN107809897A (en) * | 2016-09-08 | 2018-03-16 | 东芝泰格有限公司 | Shielded box and inspection article device |
| CN107943223A (en) * | 2017-11-14 | 2018-04-20 | 苏州固特斯电子科技有限公司 | A kind of metal shell for being used to be electromagnetically shielded |
| CN107967035A (en) * | 2017-11-14 | 2018-04-27 | 苏州固特斯电子科技有限公司 | A kind of shell for being used to be electromagnetically shielded |
| CN108012511A (en) * | 2017-12-29 | 2018-05-08 | 上海航天科工电器研究院有限公司 | A kind of electromagnetic compatibility shielding cabinet |
| CN108289403A (en) * | 2018-01-15 | 2018-07-17 | 中国科学院国家天文台 | A kind of high-precision laser range-finding equipment electromagnetic shielding cabin |
| CN105377006B (en) * | 2015-12-14 | 2018-08-24 | 安方高科电磁安全技术(北京)有限公司 | A kind of machine table with electro-magnetic screen function |
| CN110191570A (en) * | 2019-04-30 | 2019-08-30 | 湖南中普技术股份有限公司 | A kind of reduction electromagnetic interference and screen method |
| CN111343845A (en) * | 2020-03-02 | 2020-06-26 | 云南电网有限责任公司昆明供电局 | A pulse source device with electromagnetic shielding function |
| CN112591120A (en) * | 2020-12-29 | 2021-04-02 | 中国科学院长春光学精密机械与物理研究所 | Aviation photoelectric pod |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0758479A (en) * | 1993-08-10 | 1995-03-03 | Nippon Telegr & Teleph Corp <Ntt> | Electromagnetic shield housing |
| CN2514391Y (en) * | 2001-10-22 | 2002-10-02 | 联想(北京)有限公司 | Waveguide shield for computer casing |
| CN2549688Y (en) * | 2002-05-22 | 2003-05-07 | 吴水江 | Made up meter box |
| CN2591928Y (en) * | 2002-12-23 | 2003-12-10 | 北京安方电磁屏蔽技术开发中心 | Electromagnetic shielding rack |
| CN101237763A (en) * | 2008-03-06 | 2008-08-06 | 安方高科信息安全技术(北京)有限公司 | Quick-installed shielding room |
| CN102881500A (en) * | 2012-10-30 | 2013-01-16 | 中国人民解放军总参谋部工程兵科研三所 | High-performance electromagnetic shielding keyboard |
| CN203289761U (en) * | 2013-06-19 | 2013-11-13 | 中国人民解放军总参谋部工程兵科研三所 | Electromagnetic shielding case |
-
2013
- 2013-06-19 CN CN2013102418169A patent/CN103298284A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0758479A (en) * | 1993-08-10 | 1995-03-03 | Nippon Telegr & Teleph Corp <Ntt> | Electromagnetic shield housing |
| CN2514391Y (en) * | 2001-10-22 | 2002-10-02 | 联想(北京)有限公司 | Waveguide shield for computer casing |
| CN2549688Y (en) * | 2002-05-22 | 2003-05-07 | 吴水江 | Made up meter box |
| CN2591928Y (en) * | 2002-12-23 | 2003-12-10 | 北京安方电磁屏蔽技术开发中心 | Electromagnetic shielding rack |
| CN101237763A (en) * | 2008-03-06 | 2008-08-06 | 安方高科信息安全技术(北京)有限公司 | Quick-installed shielding room |
| CN102881500A (en) * | 2012-10-30 | 2013-01-16 | 中国人民解放军总参谋部工程兵科研三所 | High-performance electromagnetic shielding keyboard |
| CN203289761U (en) * | 2013-06-19 | 2013-11-13 | 中国人民解放军总参谋部工程兵科研三所 | Electromagnetic shielding case |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105377006B (en) * | 2015-12-14 | 2018-08-24 | 安方高科电磁安全技术(北京)有限公司 | A kind of machine table with electro-magnetic screen function |
| CN107809897A (en) * | 2016-09-08 | 2018-03-16 | 东芝泰格有限公司 | Shielded box and inspection article device |
| CN107809897B (en) * | 2016-09-08 | 2020-04-28 | 东芝泰格有限公司 | Shielding box and inspection item device |
| CN107797624A (en) * | 2017-11-08 | 2018-03-13 | 苏州固特斯电子科技有限公司 | A kind of casing |
| CN107943223A (en) * | 2017-11-14 | 2018-04-20 | 苏州固特斯电子科技有限公司 | A kind of metal shell for being used to be electromagnetically shielded |
| CN107967035A (en) * | 2017-11-14 | 2018-04-27 | 苏州固特斯电子科技有限公司 | A kind of shell for being used to be electromagnetically shielded |
| CN108012511A (en) * | 2017-12-29 | 2018-05-08 | 上海航天科工电器研究院有限公司 | A kind of electromagnetic compatibility shielding cabinet |
| CN108289403A (en) * | 2018-01-15 | 2018-07-17 | 中国科学院国家天文台 | A kind of high-precision laser range-finding equipment electromagnetic shielding cabin |
| CN110191570A (en) * | 2019-04-30 | 2019-08-30 | 湖南中普技术股份有限公司 | A kind of reduction electromagnetic interference and screen method |
| CN111343845A (en) * | 2020-03-02 | 2020-06-26 | 云南电网有限责任公司昆明供电局 | A pulse source device with electromagnetic shielding function |
| CN112591120A (en) * | 2020-12-29 | 2021-04-02 | 中国科学院长春光学精密机械与物理研究所 | Aviation photoelectric pod |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130911 |