CN204498558U - A kind of electromagnetic screen - Google Patents
A kind of electromagnetic screen Download PDFInfo
- Publication number
- CN204498558U CN204498558U CN201520235331.3U CN201520235331U CN204498558U CN 204498558 U CN204498558 U CN 204498558U CN 201520235331 U CN201520235331 U CN 201520235331U CN 204498558 U CN204498558 U CN 204498558U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- cap rock
- screen
- layer
- conductive
- 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
Links
- 239000011435 rock Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model proposes a kind of electromagnetic screen, comprise cabinet, cabinet lid and connector; Cabinet comprises fixed frame and screen, screen is provided with opening, and screen comprises external shield cabinet layer, non-conductive cabinet layer and inner shield cabinet layer, and fixed frame is arranged on outside external shield cabinet layer, it is inner that non-conductive cabinet layer is arranged on external shield cabinet layer, and it is inner that inner shield cabinet layer is arranged on non-conductive cabinet layer; Cabinet lid is arranged on open side by connector, cabinet lid comprises external shield cap rock, non-conductive cap rock, inner shield cap rock, and non-conductive cap rock is arranged between external shield cap rock and inner shield cap rock, and cabinet covers and is also provided with groove, be provided with spring leaf in groove, screen is positioned at openend can snap in groove.
Description
Technical field
The utility model relates to information screen technical field, more particularly, relates to a kind of electromagnetic screen.
Background technology
Along with people are to the progressively intensification of Information System Security electromagnetic leakage emission recognizing dangers, traditional electromagnetic compatibility shielding device only uses layer of metal plate to make shielding cavity usually.Due to this relatively simple for structure, the electromagnetic shielding of low frequency therefore can only be applicable to.In actual use, easy and other electromagnetic equipments cause electromagnetic interference mutually.But the current most structure of information screen equipment is too complicated, and cost of manufacture is high, but shield effectiveness is not good, is subject to the interference of external environment.
Utility model content
Based on the technical problem that background technology exists, the utility model proposes a kind of electromagnetic screen, it can effectively avoid information to be subject to external environmental interference.
A kind of electromagnetic screen that the utility model proposes, comprises cabinet, cabinet lid and connector;
Described cabinet comprises fixed frame and screen, described screen is provided with opening, described screen comprises external shield cabinet layer, non-conductive cabinet layer and inner shield cabinet layer, described fixed frame is arranged on outside external shield cabinet layer, it is inner that described non-conductive cabinet layer is arranged on described external shield cabinet layer, and it is inner that described inner shield cabinet layer is arranged on described non-conductive cabinet layer;
Described cabinet lid is arranged on described open side by described connector, described cabinet lid comprises external shield cap rock, non-conductive cap rock, inner shield cap rock, described non-conductive cap rock is arranged between described external shield cap rock and inner shield cap rock, described cabinet covers and is also provided with groove, be provided with spring leaf in described groove, described screen is positioned at described openend can snap in described groove.
Wherein, described connector is two air springs, described air spring one end be flexibly connected external shield cap rock, its other end is movably connected on described fixed frame, and two air springs correspondence is arranged on the relative both sides of cabinet.
Wherein, described spring leaf material is copper sheet.
Wherein, described spring leaf cross section is arc.
Wherein, described external shield cabinet layer and described external shield cover material are macromolecule conducting material.
Wherein, described fixed frame is for be made up of steel pipe.
Wherein, described inner shield cap rock and described inner shield cabinet layer material are aluminium alloy plate.
Wherein, described screen is also provided with waveguide window, described waveguide window is provided with circular honeycomb hole, and described honeycomb aperture is less than default electromagnetic wavelength threshold.
Wherein, described screen is also provided with waveguide and power-supply filter.
The beneficial effect of technique scheme of the present utility model is as follows:
In such scheme, by coordinating of spring leaf and screen, electronic equipment and external environment electromagnetic isolated in cabinet can be realized simply efficiently, being coordinated by external shield cabinet layer and external shield cap rock and inner shield cap rock and inner shield cabinet layer effectively to avoid electronic equipment to be subject to the electromagnetic interference of external environment, and non-conductive cabinet layer and non-conductive cabinet layer can avoid the situation occurring magnet short-cut path.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electromagnetic screen;
Fig. 2 is the rearview of the cabinet lid of the utility model electromagnetic screen;
Fig. 3 is the cutaway view of the cabinet lid of the utility model electromagnetic screen.
Reference numeral is as follows:
1, cabinet;
11, fixed frame;
12 and screen;
121, external shield cabinet layer;
122, non-conductive cabinet layer;
123, inner shield cabinet layer;
13, opening;
14, waveguide window;
15, waveguide;
16, power-supply filter;
2, cabinet lid;
21, external shield cap rock;
22, non-conductive cap rock;
23, inner shield cap rock;
24, groove;
25, spring leaf;
3, air spring.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of electromagnetic screen that the utility model proposes, comprises cabinet 1, cabinet lid 2 and two air springs 3;
Described cabinet 1 comprises fixed frame 11 and screen 12, screen 12 is provided with opening 13, screen 12 comprises external shield cabinet layer 121, non-conductive cabinet layer 122 and inner shield cabinet layer 123, fixed frame 11 is arranged on outside external shield cabinet layer 121, it is inner that non-conductive cabinet layer 122 is arranged on external shield cabinet layer 121, and it is inner that inner shield cabinet layer 123 is arranged on non-conductive cabinet layer 122;
Described cabinet lid 2 comprises external shield cap rock 21, non-conductive cap rock 22, inner shield cap rock 23, non-conductive cap rock 22 is arranged between external shield cap rock 21 and inner shield cap rock 23, cabinet lid 2 is also provided with groove 24, spring leaf 25 is installed in groove 24, screen 12 is positioned at opening 13 end can snap in groove 24, external shield cabinet layer 121 and external shield cap rock 21 material are macromolecule conducting material, external shield cabinet layer 121 and external shield cap rock 21 material are macromolecule conducting material, fixed frame 11 is for be made up of steel pipe, inner shield cap rock 23 and inner shield cabinet layer 123 material are aluminium alloy plate, cabinet lid 2 is arranged on opening 13 side by two air springs 3, air spring 3 one end be flexibly connected external shield cap rock 21, its other end is movably connected on fixed frame 11, two air spring 3 correspondences are arranged on the relative both sides of cabinet 1.
Wherein, by coordinating of spring leaf 25 and screen 12, electronic equipment and external environment electromagnetic isolated in cabinet 1 can be realized simply efficiently, being coordinated by external shield cabinet layer 121 and external shield cap rock 21 and inner shield cap rock 23 and inner shield cabinet layer 123 effectively to avoid electronic equipment to be subject to the electromagnetic interference of external environment, and non-conductive cabinet layer 122 and non-conductive cabinet layer 122 can avoid the situation occurring magnet short-cut path.
Wherein, spring leaf 25 material is copper sheet, and spring leaf 25 cross section is arc, effectively can realize external shield cabinet layer 121 and external shield cap rock 21 and electromagnetic conductive between inner shield cap rock 23 and inner shield cabinet layer 123.
Wherein, screen 12 is also provided with waveguide window 14, waveguide window 14 is provided with circular honeycomb hole, and honeycomb aperture is less than default electromagnetic wavelength threshold, avoids leakage of information.
Wherein, screen 12 is also provided with waveguide 15 and power-supply filter 16.
In such scheme, by coordinating of spring leaf and screen, electronic equipment and external environment electromagnetic isolated in cabinet can be realized simply efficiently, being coordinated by external shield cabinet layer and external shield cap rock and inner shield cap rock and inner shield cabinet layer effectively to avoid electronic equipment to be subject to the electromagnetic interference of external environment, and non-conductive cabinet layer and non-conductive cabinet layer can avoid the situation occurring magnet short-cut path.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (9)
1. an electromagnetic screen, is characterized in that, comprises cabinet, cabinet lid and connector;
Described cabinet comprises fixed frame and screen, described screen is provided with opening, described screen comprises external shield cabinet layer, non-conductive cabinet layer and inner shield cabinet layer, described fixed frame is arranged on outside external shield cabinet layer, it is inner that described non-conductive cabinet layer is arranged on described external shield cabinet layer, and it is inner that described inner shield cabinet layer is arranged on described non-conductive cabinet layer;
Described cabinet lid is arranged on described open side by described connector, described cabinet lid comprises external shield cap rock, non-conductive cap rock, inner shield cap rock, described non-conductive cap rock is arranged between described external shield cap rock and inner shield cap rock, described cabinet covers and is also provided with groove, be provided with spring leaf in described groove, described screen is positioned at described openend can snap in described groove.
2. electromagnetic screen according to claim 1, it is characterized in that, described connector is two air springs, described air spring one end be flexibly connected external shield cap rock, its other end is movably connected on described fixed frame, and two air spring correspondences are arranged on the relative both sides of cabinet.
3. electromagnetic screen according to claim 1, is characterized in that, described spring leaf material is copper sheet.
4. electromagnetic screen according to claim 3, is characterized in that, described spring leaf cross section is arc.
5. electromagnetic screen according to claim 1, is characterized in that, described external shield cabinet layer and described external shield cover material are macromolecule conducting material.
6. electromagnetic screen according to claim 1, is characterized in that, described fixed frame is for be made up of steel pipe.
7. electromagnetic screen according to claim 1, is characterized in that, described inner shield cap rock and described inner shield cabinet layer material are aluminium alloy plate.
8. electromagnetic screen according to claim 1, is characterized in that, described screen is also provided with waveguide window, and described waveguide window is provided with circular honeycomb hole, and described honeycomb aperture is less than default electromagnetic wavelength threshold.
9., according to the arbitrary described electromagnetic screen of claim 1-8, it is characterized in that, described screen is also provided with waveguide and power-supply filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235331.3U CN204498558U (en) | 2015-04-17 | 2015-04-17 | A kind of electromagnetic screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235331.3U CN204498558U (en) | 2015-04-17 | 2015-04-17 | A kind of electromagnetic screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498558U true CN204498558U (en) | 2015-07-22 |
Family
ID=53577824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520235331.3U Expired - Fee Related CN204498558U (en) | 2015-04-17 | 2015-04-17 | A kind of electromagnetic screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204498558U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263304A (en) * | 2015-10-29 | 2016-01-20 | 国网山西省电力公司临汾供电公司 | Electromagnetic radiation proof electrical cabinet |
| CN107172847A (en) * | 2017-07-25 | 2017-09-15 | 合肥科斯维数据科技有限公司 | A kind of communication equipment is with maskable type cabinet |
| CN107807330A (en) * | 2017-09-22 | 2018-03-16 | 苏州惠邦科信息技术有限公司 | The method of testing of the electric current of the vibrating motor of mobile phone |
| CN108430308A (en) * | 2015-10-30 | 2018-08-21 | 辛辛那提大学 | Sweat sensor device with electromagnetic shielding sensor, interconnection and electronic device |
-
2015
- 2015-04-17 CN CN201520235331.3U patent/CN204498558U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263304A (en) * | 2015-10-29 | 2016-01-20 | 国网山西省电力公司临汾供电公司 | Electromagnetic radiation proof electrical cabinet |
| CN108430308A (en) * | 2015-10-30 | 2018-08-21 | 辛辛那提大学 | Sweat sensor device with electromagnetic shielding sensor, interconnection and electronic device |
| CN107172847A (en) * | 2017-07-25 | 2017-09-15 | 合肥科斯维数据科技有限公司 | A kind of communication equipment is with maskable type cabinet |
| CN107807330A (en) * | 2017-09-22 | 2018-03-16 | 苏州惠邦科信息技术有限公司 | The method of testing of the electric current of the vibrating motor of mobile phone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204498558U (en) | A kind of electromagnetic screen | |
| CN205488773U (en) | Three coaxial connector | |
| CN204498517U (en) | A kind of electric cabinet sealing and shielding construction | |
| CN204646434U (en) | With the control unit of engine assembly of novel ventilated structure | |
| CN203056960U (en) | A shielding box used for a switching power supply | |
| CN204206721U (en) | A kind of electromagnetic-wave leakage safeguard structure | |
| CN204131030U (en) | Shielding wire casing | |
| CN105811333B (en) | A kind of cable routing box for intelligent substation electronic device | |
| CN203251427U (en) | A microphone apparatus | |
| CN201846101U (en) | Nuclear electromagnetic pulse prevention EPS (Electric Power Storage) power supply | |
| CN207233949U (en) | A kind of onboard antenna feeder Surge Protector and there is its aerial radiation plate | |
| CN208369539U (en) | A kind of filtering unit integrating lightning protection and filtering | |
| CN203387102U (en) | Lower arrester handcart of high-voltage switch cabinet | |
| CN204760865U (en) | Environmental protection compact circuit breaker cabinet | |
| CN203951469U (en) | The anti-electricity protection box of a kind of anti-spoke of wireless device | |
| CN204527034U (en) | Instrument desk glove box assembly | |
| CN104695829A (en) | Electromagnetic shielding door | |
| CN201821636U (en) | Magnetic shielding device | |
| CN202930777U (en) | Control case body capable of facilitating fixing of internal cables | |
| CN105430979A (en) | Box body with electromagnetic shielding function | |
| CN203491146U (en) | Safety breaker | |
| CN209216900U (en) | A kind of magnetic latching relay improving structure with magnetic shielding cover | |
| CN103560030B (en) | Security circuit breaker | |
| CN203590514U (en) | Microwave shielding structure of microwave heating wall | |
| CN205354989U (en) | Miniature circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211126 Address after: 430014 room a, 8th floor, building a, Jiangjing building, Jiang'an District, Wuhan City, Hubei Province Patentee after: Jieweite Intelligent Technology Co.,Ltd. Address before: 430014 room a, 8th floor, building a, Jiangjing building, Jiang'an District, Wuhan City, Hubei Province Patentee before: Liang Yucheng |
|
| 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: 20150722 |