CN2591928Y - Electromagnetic shielding rack - Google Patents
Electromagnetic shielding rack Download PDFInfo
- Publication number
- CN2591928Y CN2591928Y CN 02293369 CN02293369U CN2591928Y CN 2591928 Y CN2591928 Y CN 2591928Y CN 02293369 CN02293369 CN 02293369 CN 02293369 U CN02293369 U CN 02293369U CN 2591928 Y CN2591928 Y CN 2591928Y
- Authority
- CN
- China
- Prior art keywords
- door
- cabinet
- electromagnetic shielding
- computer
- electromagnetic
- 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.)
- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides an electromagnetic shielding device-an electromagnetic shielding cabinet which can be used in a computer, can prevent electromagnetic waves from damaging a human body, can effectively prevent electromagnetic information of the computer from leaking, and can prevent external strong electromagnetic disturbance from influencing the normal work of the computer. The utility model comprises a cabinet bottom, a top cover and a lateral wall. The utility model also comprises frames, spring pieces, an upper waveguide window, a lower waveguide window, door knives, a wave filter, shielding glass, a perspective shielding glass door, a back door, a waveguide pipe and a frame of an optical transmitter and receiver, wherein, the four frames are fixed at the inner lateral wall of the cabinet, the frame of the optical transmitter and receiver is arranged on the four frames, the upper waveguide window and the lower waveguide window are respectively arranged on the top cover and the cabinet bottom, a door is arranged on the cabinet, four sides of the door are provided with the spring pieces, four sides of a door frame are provided with the door knives, and the front surface of the electromagnetic shielding cabinet is provided with the perspective shielding glass door. The utility model can be used in a computer and a server, can prevent electromagnetic waves from damaging a human body, can effectively prevent electromagnetic information of the computer from leaking, and can prevent external strong electromagnetic disturbance from influencing the normal work of the computer. The applicable frequency range is wide, and the utility model can satisfy the requirements of the B grade of Chinese Standard BMB3-1999 and the B grade of Chinese Army Standard GJBZz20219-94.
Description
Technical field:
The utility model relates to a kind of rack that can play shielding action to electromagnetic radiation, especially a kind of computer server of placing, information equipments such as small switch, can stop electromagnetic wave to personal injury, suppress the computer electromagnetic information leakage effectively and prevent outside forceful electric power magnetic harassing and wrecking, influence the electromagnetic shielding rack of computer operate as normal.
Background technology:
The use of computer now is the various aspects of people's lives such as office, school, family deeply, and electromagenetic wave radiation has caused people's attention to the injury of human body.Though it has the computer protecting screen on the market, also just the display front is shielded, the electromagnetic wave of its side and back surface radiation can't shield.Still can user's health be caused damage.Relate to special sectors such as military affairs, national defence in addition, need the electromagnetic information of computer not revealed, it is far from being enough that protection screen only is set.
Summary of the invention:
The purpose of this utility model provides a kind of computer, computer server, small switch placed, and can stop electromagnetic wave to personal injury, effectively suppress the computer electromagnetic information leakage and prevent outside forceful electric power magnetic harassing and wrecking, influence the computer operate as normal the electromagnetic shielding rack.
A kind of electromagnetic shielding rack that the utility model relates to, at the bottom of it includes cabinet, top cover, sidewall, it also includes frame,, spring leaf, go up waveguide window, waveguide window, door cutter, filter, shield glass, perspective shielding glass door, back door, waveguide, optical transceiver frame down;
Described frame is four and is fixed on the rack madial wall, and the optical transceiver frame is installed on four frames,
On described upward waveguide window, following waveguide window are separately positioned at the bottom of top cover, the cabinet,
Described rack is provided with perspective shielding glass door, back door, is provided with spring leaf on door four limits, is provided with the door cutter that cooperates with described spring leaf on doorframe four limits,
Described electromagnetic shielding cabinet front is provided with perspective shielding glass door,
Circumscripted power line in the utility model electromagnetic shielding rack, telephone signal line, incoming line, pass separately waveguide be located at the electromagnetic shielding rack in filter and supply socket, traffic filter be connected respectively.
The front of its rack is provided with perspective shielding glass door in the utility model electromagnetic shielding rack.
Spring leaf in the utility model electromagnetic shielding rack is circular arc, comb shape or undulating springs sheet.
The aperture of waveguide is 1: 10 with the length ratio in the utility model electromagnetic shielding rack, and wall thickness is 2-4mm.
Waveguide window is to have metallic plate some, circular honeycomb hole in the utility model electromagnetic shielding rack, and its aperture is 3-3.5mm, and its thickness of slab is 4-10mm.
The utility model electromagnetic shielding rack is design principle and the technology with electromagnetic shielding, be applied on the electromagnetic shielding, adopt integral structure, 26S Proteasome Structure and Function with minisize shielding chamber, the advantage of this electromagnetic shielding rack and good effect are that the openable door of rack body is provided with spring leaf, connecting line between power line and each parts is provided with waveguide and filter, therefore, the rack body can effectively shield the extraneous electromagnetic radiation that produces, avoid electromagnetic wave to personal injury, also can suppress the information leakage of equipment such as self-contained computer server, small switch.
Description of drawings:
Fig. 1 is the profile schematic perspective view of the utility model electromagnetic shielding rack
Fig. 2 is the cross section partial sectional view of the utility model electromagnetic shielding rack
Further specify below in conjunction with accompanying drawing
The electromagnetic shielding rack that the utility model relates to, it includes at the bottom of the cabinet 9, top cover 1, sidewall 14, and it also includes frame 3, spring leaf 6, goes up waveguide window 2, waveguide window 2 ', door cutter 4, filter 10, shield glass 7, perspective shielding glass door 5, back door 13, wave duct 12, optical transceiver frame 8 down; Described frame 3 is four, is fixed on the rack madial wall, and optical transceiver frame 8 is installed on four frames 3, is distributed with position adjustment hole on the frame, and optical transceiver frame 8 can be adjusted space size up and down according to actual needs.Described waveguide window 2, the waveguide window 2 ' down gone up is separately positioned at the bottom of top cover 1, the cabinet on 9, and described rack is provided with back door 13, perspective shielding glass door 5, is provided with spring leaf 6 on door four limits, is provided with a cutter 4 on doorframe four limits.
Circumscripted power line in the electromagnetic shielding rack described in the utility model, telephone signal line, incoming line, pass separately waveguide 12 be located at the electromagnetic shielding rack in filter 10 and supply socket be connected respectively.
The front of its cabinet is provided with 2 perspective shielding glass doors 5 in the electromagnetic shielding rack described in the utility model.
Spring leaf 6 in the electromagnetic shielding rack described in the utility model is circular arc, comb shape or undulating springs sheet, is provided with the door cutter 4 that cooperates with described spring leaf 6 on described doorframe.
The aperture of waveguide 12 is 1: 10 with the length by length ratio in a kind of electromagnetic shielding rack described in the utility model, and wall thickness is 3m.
Waveguide window is to have metallic plate some, circular honeycomb hole in a kind of electromagnetic shielding rack described in the utility model, and its aperture is 3.2mm, and its thickness of slab is 4-10mm.
Electromagnetic shielding rack described in the utility model, can be used for placing computer server in the cabinet, can stop electromagnetic wave to personal injury, effectively suppress the computer electromagnetic information leakage and prevent that outside forceful electric power magnetic harassing and wrecking from influencing the computer operate as normal, it is wide to be suitable for frequency range, satisfies the requirement of GB BMB3-1999B level and national military standard GJBZz20219-94B level.
Claims (5)
1, a kind of electromagnetic shielding rack, at the bottom of it includes cabinet, top cover, sidewall, it is characterized in that: it also includes frame, spring leaf, goes up waveguide window, waveguide window, door cutter, filter, shield glass, perspective shielding glass door, back door, waveguide, optical transceiver frame down;
Described frame is four, is fixed on the rack madial wall, and the optical transceiver frame is arranged on four frames,
On described upward waveguide window, following waveguide window are separately positioned at the bottom of top cover, the cabinet,
Described rack is provided with perspective shielding glass door, back door, is provided with spring leaf on door four limits, is provided with the door cutter that cooperates with described spring leaf on doorframe four limits,
2, a kind of electromagnetic shielding rack according to claim 1 is characterized in that: the front of cabinet is provided with perspective shielding glass door.
3, a kind of electromagnetic shielding rack according to claim 1 is characterized in that: described spring leaf is circular arc, comb shape or undulating springs sheet.
4, a kind of electromagnetic shielding rack according to claim 1 is characterized in that: the aperture of waveguide is 1: 10 with the length ratio, and wall thickness is 2-4mm.
5, a kind of electromagnetic shielding rack according to claim 1, it is characterized in that: described upper and lower waveguide window is the metallic plate with some circular honeycomb holes, and its aperture is 3-3.5mm, and its thickness of slab is 4-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293369 CN2591928Y (en) | 2002-12-23 | 2002-12-23 | Electromagnetic shielding rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293369 CN2591928Y (en) | 2002-12-23 | 2002-12-23 | Electromagnetic shielding rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591928Y true CN2591928Y (en) | 2003-12-10 |
Family
ID=33751343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02293369 Expired - Fee Related CN2591928Y (en) | 2002-12-23 | 2002-12-23 | Electromagnetic shielding rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591928Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348344A (en) * | 2010-08-03 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Server device |
| 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 |
| CN104122961A (en) * | 2013-04-25 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Rack server and virtual server chassis |
| CN105118286A (en) * | 2015-06-30 | 2015-12-02 | 云南电网有限责任公司昆明供电局 | Power line broadband carrier communication module seven-stage relay communication testing system |
| 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 |
-
2002
- 2002-12-23 CN CN 02293369 patent/CN2591928Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348344A (en) * | 2010-08-03 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Server device |
| CN104122961A (en) * | 2013-04-25 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Rack server and virtual server chassis |
| 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 |
| CN105118286A (en) * | 2015-06-30 | 2015-12-02 | 云南电网有限责任公司昆明供电局 | Power line broadband carrier communication module seven-stage relay communication testing system |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031210 Termination date: 20111223 |