CN203289761U - Electromagnetic shielding case - Google Patents
Electromagnetic shielding case Download PDFInfo
- Publication number
- CN203289761U CN203289761U CN2013203495346U CN201320349534U CN203289761U CN 203289761 U CN203289761 U CN 203289761U CN 2013203495346 U CN2013203495346 U CN 2013203495346U CN 201320349534 U CN201320349534 U CN 201320349534U CN 203289761 U CN203289761 U CN 203289761U
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- China
- Prior art keywords
- cabinet housing
- aviation plug
- electromagnetic shielding
- shielding case
- waveguide window
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Abstract
The utility model discloses an electromagnetic shielding case which is composed of a shell (1), two side panels (9), waveguide windows, an aviation plug (8) and a power filter (12). The two side panels (9) are respectively arranged in choke grooves (13) at two side surface of the shell (1), the shell (1) is internally provided with the aviation plug (8) the a power filter (12), and the waveguide windows are respectively arranged in a front panel (6) and a rear panel (11), and thus an object of effective shielding is achieved. The electromagnetic shielding case has a clear structure and strong practicality, achieves an object of being convenient in movement, effective in shielding, high in safe reliability, strong in environmental adaptability and wide in applicable range, and solves a problem that a computer is damaged by electronic pulses and a problem of electromagnetic leakage, thereby being applicable to military and secret occasions.
Description
Technical field
The utility model relates to a kind of cabinet, especially relates to a kind of electromagnetic shielding case.
Background technology
known, along with development and the 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 the subjects such as high-energy electronics, Pulse Power Techniques and antenna technology, make and utilize conventional power generation Strong Electromagnetic Pulse to become possibility, research shows: this strong electromagnetic pulse can form severe jamming or damage to electronic equipment and the system that is in this environment, in a sense, the electronization degree is higher, 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, become a kind of " belligerent " means of opposing sides, how computer system is carried out effectively protection and become the problem that must face and solve, simultaneously, effectively reduce electromagnetic radiation, prevent electromagnetic interference, the protection important goal, the important content that also becomes research and pay close attention to.
At present the electromagnetic protection of computer system mainly contained two kinds of methods, a kind of method is to utilize the shielding materials such as metal to make EM shielded room, comprise welded type shielded enclosure, split mounting type shielded enclosure, the electronic equipments such as computer system are positioned in shielded enclosure and work, the screening effectiveness of this method is high, but cost is also very high, and it is large to take up room, and generally is fit to have the unit employing of security properties; Another kind method is the electromagnetic shielding computer desk that uses specially for Computer Design, and main frame and display are positioned in the shielding computer desk and work, and the screening effectiveness of this method is moderate, cost is lower, and the volume less, the scope of application is wider, and entity and individual all can use; But large, mobile inconvenience that the defect of above method maximum is weight, the common computer host interface is not taked the electromagnetic protection of specialty in addition, 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 easily is hunted down, and information leakage occurs, and causes potential safety hazard.
Summary of the invention
In order to overcome the deficiency in background technology, the utility model discloses a kind of electromagnetic shielding case, the utility model is by installing respectively two side panels on the choke groove on cabinet housing two sides, and at cabinet inside, aviation plug and power-supply filter are set, on last front and back panel again, waveguide window is set respectively and front shroud reaches the purpose of high-efficiency shielding with this.
In order to realize described utility model purpose, the utility model adopts following technical scheme:
a kind of electromagnetic shielding case, comprise the cabinet housing, side panel, waveguide window, aviation plug and power-supply filter, be provided with opening on the two sides of cabinet housing, the limit of opening is provided with choke groove, two side panels are connected with the cabinet housing by choke groove respectively, the front panel of cabinet housing is provided with interface board, front waveguide window and starting key, the 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 is provided with aviation plug and rear waveguide window, aviation plug respectively with keyboard, mouse and display are connected, 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 front waveguide window and rear waveguide window are rectangle, circle or oval alveolate texture.
Described aviation plug has three at least, and aviation plug is cylindrical structure, and aviation plug is provided with metal coating knob lid.
Be provided with soft shielding materials in described choke groove.
Described interface board is provided with interface holes.
, owing to having adopted technique scheme, the utlity model has following beneficial effect:
A kind of electromagnetic shielding case described in the utility model, 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 cabinet housing two sides, and at cabinet inside, aviation plug and power-supply filter are set, on plate and rear board, waveguide window is set respectively in front, front shroud is set on plate in front with this, reaches the purpose of high-efficiency shielding; The utility model is simple in structure, and is practical, installs and move all to facilitate, and realized conveniently moving, the target that screening effectiveness is high, security reliability is high, environmental suitability is strong, applied widely, solved the problem that computer is damaged because of electronic impulse.
Description of drawings
Fig. 1 is the utility model perspective view.
In figure: 1, cabinet housing; 2, interface board; 3, interface holes; 4, starting key; 5, front waveguide window; 6, front panel; 7, front shroud; 8, aviation plug; 9, side panel; 10, rear waveguide window; 11, rear board; 12, power-supply filter; 13, choke groove.
Embodiment
By the following examples can be detailed explanation the utility model, open the purpose of this utility model is intended to protect all technological improvements in the utility model scope.
1 described a kind of electromagnetic shielding case by reference to the accompanying drawings, comprise cabinet housing 1, side panel 9, waveguide window, aviation plug 8 and power-supply filter 12, be provided with opening on the two sides of cabinet housing 1, 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, front waveguide window 5 and starting key 4, starting key 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 rear 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 front waveguide window and rear waveguide 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 described choke groove 13, described interface board 2 is provided with interface holes 3.
implement a kind of electromagnetic shielding case described in the utility model, when work, to take out in the choke groove 13 of a side panel 9 slave tank shell 1 sides of cabinet housing 1 side, the needed mainboard of computer, CPU, fan, video card, the equipment such as hard disk are encased in cabinet housing 1, and before cabinet housing 1 is inner the position provided with fan of waveguide window 5 and rear waveguide window 10, open the protection knob lid on aviation plug 8, then side panel 9 is covered in the choke groove 13 of cabinet housing 1 side, finally with mouse, keyboard, the equipment such as display are connected with aviation plug 8, the front shroud 7 of opening on front panel 6 can be at the interior access of interface holes 3 DVD of interface board 2, USB and audio frequency apparatus, press starting key 4 after installing, connecting rod on starting key 4 medial surfaces can trigger start triggering key starts working computer.
The utility model does not describe part in detail and is prior art.
The embodiment that selects in this article for open the purpose of this utility model, currently think suitablely, still, will be appreciated that, the utility model is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and utility model scope.
Claims (6)
1. electromagnetic shielding case, comprise cabinet housing (1), side panel (9), waveguide window, aviation plug (8) and power-supply filter (12), it is characterized in that: be provided with opening on the two sides of cabinet housing (1), 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), front waveguide window (5) and starting key (4), starting key (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 rear waveguide window (10), aviation plug (8) is respectively at keyboard, mouse and display are connected, the inner bottom of cabinet housing (1) is provided with power-supply filter (12).
2. a kind of electromagnetic shielding case 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 case according to claim 1, it is characterized in that: described front waveguide window and rear waveguide window are rectangle, circle or oval alveolate texture.
4. a kind of electromagnetic shielding case according to claim 1, it is characterized in that: described aviation plug (8) has one at least, and aviation plug (8) is cylindrical structure, and aviation plug (8) is provided with protection knob lid.
5. a kind of electromagnetic shielding case according to claim 1, it is characterized in that: described choke groove is provided with soft shielding materials in (13).
6. a kind of electromagnetic shielding case according to claim 1, it is characterized in that: described interface board (2) is provided with interface holes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203495346U CN203289761U (en) | 2013-06-19 | 2013-06-19 | Electromagnetic shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203495346U CN203289761U (en) | 2013-06-19 | 2013-06-19 | Electromagnetic shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289761U true CN203289761U (en) | 2013-11-13 |
Family
ID=49546097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203495346U Expired - Fee Related CN203289761U (en) | 2013-06-19 | 2013-06-19 | Electromagnetic shielding case |
Country Status (1)
| Country | Link |
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| CN (1) | CN203289761U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2016099621A1 (en) * | 2014-12-18 | 2016-06-23 | General Electric Company | Radio-frequency power generator configured to reduce electromagnetic emissions |
| CN106020385A (en) * | 2016-07-19 | 2016-10-12 | 安庆师范大学 | Computer case with electromagnetic shielding characteristics |
| CN110351997A (en) * | 2019-07-05 | 2019-10-18 | 电子科技大学 | A kind of novel high shielding ventilation waveguide window construction |
-
2013
- 2013-06-19 CN CN2013203495346U patent/CN203289761U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2016099621A1 (en) * | 2014-12-18 | 2016-06-23 | General Electric Company | Radio-frequency power generator configured to reduce electromagnetic emissions |
| US9456532B2 (en) | 2014-12-18 | 2016-09-27 | General Electric Company | Radio-frequency power generator configured to reduce electromagnetic emissions |
| CN107006114A (en) * | 2014-12-18 | 2017-08-01 | 通用电气公司 | Reduce the radio-frequency power generator of electromagnetic radiation |
| RU2698816C2 (en) * | 2014-12-18 | 2019-08-30 | Дженерал Электрик Компани | Radio-frequency power generator, configured to reduce electromagnetic radiant |
| CN107006114B (en) * | 2014-12-18 | 2019-10-01 | 通用电气公司 | Reduce the radio-frequency power generator of electromagnetic radiation |
| CN106020385A (en) * | 2016-07-19 | 2016-10-12 | 安庆师范大学 | Computer case with electromagnetic shielding characteristics |
| CN110351997A (en) * | 2019-07-05 | 2019-10-18 | 电子科技大学 | A kind of novel high shielding ventilation waveguide window construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20160619 |