CN111157771A - Low-frequency electromagnetic shielding chamber - Google Patents
Low-frequency electromagnetic shielding chamber Download PDFInfo
- Publication number
- CN111157771A CN111157771A CN201811336190.9A CN201811336190A CN111157771A CN 111157771 A CN111157771 A CN 111157771A CN 201811336190 A CN201811336190 A CN 201811336190A CN 111157771 A CN111157771 A CN 111157771A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic shielding
- room
- door
- shielding
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a low-frequency electromagnetic shielding room which is formed by welding and sealing a plurality of shielding plates, wherein the interior of the low-frequency electromagnetic shielding room is composed of a main machine room and an operating room, a first electromagnetic shielding door frame is arranged between the main machine room and the operating room, a first electromagnetic shielding door with a shielding protection function is arranged on the inner side of the first electromagnetic shielding door frame, the first electromagnetic shielding door frame is connected with a magnetic material layer through a riveting hook, a transparent observation window and a control panel are arranged on one side of the first electromagnetic shielding door, a second electromagnetic shielding door with a shielding enhancement function is arranged on the outer portion of the operating room, a waveguide port is arranged in the main machine room, and a power filter and a signal filter are arranged in the operating room. The low-frequency electromagnetic shielding chamber has reasonable structural design, effectively improves the sealing effect of the main machine chamber and obviously enhances the electromagnetic shielding effect.
Description
Technical Field
The invention relates to an electromagnetic shielding device, in particular to a low-frequency electromagnetic shielding chamber.
Background
The electromagnetic shielding room is generally used for isolating external electromagnetic interference, an ideal electromagnetic environment is simulated by the electromagnetic shielding room, the accuracy of an inspection result in metering and testing of indoor electronic and electrical equipment is guaranteed, indoor electromagnetic radiation is blocked from diffusing to the outside, strong electromagnetic radiation is shielded and isolated, normal work of other electronic and electrical equipment is prevented from being interfered or the health of workers is prevented from being damaged, information leakage of electronic information equipment is prevented, and information safety is guaranteed.
There are two main types of structures currently used in electromagnetic shielding chambers: a fixed electromagnetic shielding chamber and a movable electromagnetic shielding chamber. The fixed electromagnetic shielding chamber can be divided into a steel plate welding type and a steel plate assembling type, and is popularized and used in protection engineering, important economic targets, medical institutions and other departments at present; the movable electromagnetic shielding chamber is mainly formed by taking a motor vehicle chassis as a platform and arranging a shielding shelter on the chassis, can move, is flexible and can be used at any time, but has common shielding effectiveness and poor shielding effectiveness particularly in a low-frequency band.
The performance of a low-frequency electromagnetic shielding chamber in the electromagnetic shielding chamber is extremely easy to be influenced by matching accessories, the shielding effect of the low-frequency electromagnetic shielding chamber depends on the weakest matching system, the interference of a certain single factor is only considered in the current electromagnetic shielding chamber product, and the interference factors in all aspects are not synthesized to improve the low-frequency electromagnetic shielding chamber; the structure of the existing low-frequency electromagnetic shielding chamber is unscientific and unreasonable, the safety consideration on workers is not comprehensive, and when the workers enter and exit the electromagnetic shielding chamber and open and close the door, indoor electronic and electrical equipment is easy to radiate and leak or suffer from external electromagnetic interference.
Disclosure of Invention
The invention aims to provide a low-frequency electromagnetic shielding chamber, which can solve the problems of unsatisfactory shielding effect and unreasonable structural design of the low-frequency electromagnetic shielding chamber in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
the low frequency electromagnetic shielding room, it comprises a plurality of shield plate welded seal, the indoor portion of low frequency electromagnetic shielding comprises host computer room and control chamber, the host computer room with be provided with first electromagnetic shielding door frame between the control chamber, first electromagnetic shielding door frame inboard is provided with the first electromagnetic shielding door that has shielding protect function, just first electromagnetic shielding door frame is connected with the magnetic material layer through the riveting hook, first electromagnetic shielding door one side is provided with transparent observation window and control panel, the control chamber outside is provided with the second electromagnetic shielding door that has the reinforcing shielding effect, be provided with the waveguide mouth in the host computer room, be provided with power filter and signal filter in the control chamber.
Preferably, the adjacent shielding plates are sealed by welding the magnetic conductive material layer.
Preferably, the magnetic material layer is low-carbon steel, silicon steel, permalloy or nano-gold alloy.
Preferably, the first electromagnetic shielding door is an electric door, the second electromagnetic shielding door is a manual door, the first electromagnetic shielding door is electrically connected with a controller located on one side, the controller is electrically connected with a first electromagnetic shielding door switch on a control panel, and the second electromagnetic shielding door is provided with an annular door handle.
Preferably, an anti-static floor is arranged at the bottom of the main machine room, a reflector lamp, an air conditioner and a ventilation opening are arranged in the main machine room, and the reflector lamp is arranged in the operation room.
Preferably, the control panel is provided with a reflector lamp switch and an air conditioner switch.
The invention has the following beneficial effects: the interior of the low-magnetic electromagnetic shielding room is composed of the host room and the operating room, so that a layer of protective space is added between the host indoor equipment and the outside, and the indoor electromagnetic shielding effect of the host can be ensured only by not opening the first electromagnetic shielding door and the second electromagnetic shielding door simultaneously in the use process; the wave guide port is arranged in the host room, the shielding plates are welded and sealed through the magnetic material layer, and the first shielding door frame is connected with the magnetic material layer through the riveting hook, so that the sealing effect of the host room is effectively improved, and the electromagnetic shielding effect of the host room is obviously enhanced; meanwhile, the glass observation window and the control panel are arranged in the operation room, so that workers can monitor the indoor condition of the host and control the indoor conditions of the host, such as temperature, air flow, illumination and the like, and the electromagnetic shielding effect in the host can be further enhanced while the protection is added for the workers.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural diagram of a first electromagnetic shielding door according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
wherein the specific reference numerals are as follows: the low-frequency electromagnetic shielding room comprises a low-frequency electromagnetic shielding room 1, a main room 2, an operation room 3, a first shielding door frame 4, a first electromagnetic shielding door 5, a riveting hook 6, a magnetic conducting material layer 7, a controller 8, a transparent observation window 9, a control panel 10, a second electromagnetic shielding door 11, a ring-shaped door handle 12, a power filter 13, a signal filter 14, an anti-static floor 15, a reflector lamp 16, an air conditioner 17, a ventilation port 18 and a waveguide port 19.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
As shown in fig. 1-4, the present invention provides a low frequency electromagnetic shielding chamber 1, which is formed by splicing a plurality of shielding plates, wherein adjacent shielding plates are welded and sealed by a magnetic conductive material layer 7, so as to effectively improve the sealing effect of the low frequency electromagnetic shielding chamber 1, and the magnetic conductive material comprises low carbon steel, silicon steel, permalloy, nano gold alloy, etc.; the inside host computer room 2 and the control room 3 of constituting by the low frequency electromagnetic shield room 1, be provided with first electromagnetic shield door frame 4 between host computer room 2 and the control room 3, first electromagnetic shield door frame 4 inboard is provided with first electromagnetic shield door 5 that has shielding protect function, first electromagnetic shield door 5 is preferably the electronic electromagnetic shield door of steel sheet formula, and first electromagnetic shield door frame 4 is connected with magnetic material layer 7 through riveting solid hook 6, to first electromagnetic shield door 5 further sealed, promote the electromagnetic shield effect of host computer room 2, the control room 3 outside is provided with second electromagnetic shield door 11 that has reinforcing shield effect, second electromagnetic shield door 11 is preferably the manual electromagnetic shield door of steel sheet formula, be provided with annular door handle 12 on the second electromagnetic shield door 11.
First electromagnetic shield door 5 one side is provided with transparent observation window 9 and control panel 10, satisfies personnel need not get into just can monitor the condition in the host computer room 2 and control the condition such as temperature air current, illumination in the host computer room 2, and the bottom of host computer room 2 is provided with prevents static floor 15, and host computer room 2 is inside to be provided with waveguide opening 19, reflector lamp 16, air conditioner 17, scavenge port 18, be provided with reflector lamp 16 in the control room 3, be equipped with reflector lamp switch, air conditioner switch and first electromagnetic shield door switch on the control panel 10, first electromagnetic shield door switch passes through controller 8 and is connected with first electromagnetic shield door 5 electricity, is provided with power filter 13 and signal filter 14 in the control room 3.
When in work: open second electromagnetic shield door 11 through annular door handle 12, put into control chamber 3 with the product that awaits measuring, close second electromagnetic shield door 11, open first electromagnetic shield door 5 through the first electromagnetic shield door switch on control panel 10, put into main engine room 2 with the product and detect, operating personnel withdraws from main engine room 2 this moment, close first electromagnetic shield door 5, the test procedure of operation product in control chamber 3, and through the condition in the transparent observation window 9 control main engine room 2 in the control chamber 3, can go up temperature and air current in the on-off adjustment main engine room 2 through control panel 10.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (6)
1. Low frequency electromagnetic shield room, its characterized in that, it is sealed by a plurality of shield plates welding and constitutes, the indoor portion of low frequency electromagnetic shield comprises host computer room and control chamber, the host computer room with be provided with first electromagnetic shield door frame between the control chamber, first electromagnetic shield door frame inboard is provided with the first electromagnetic shield door that has shielding protect function, just first electromagnetic shield door frame is connected with the magnetic material layer through the riveting hook, first electromagnetic shield door one side is provided with transparent observation window and control panel, the control chamber outside is provided with the second electromagnetic shield door that has the reinforcing shielding effect, the indoor waveguide mouth that is provided with of host computer, be provided with power filter and signal filter in the control chamber.
2. A low frequency electromagnetic shielding chamber according to claim 1 wherein adjacent said shield plates are sealed by welding through a layer of magnetically permeable material.
3. The low frequency electromagnetic shielding chamber according to claim 1 or 2, wherein the magnetically permeable material layer is low carbon steel, silicon steel, permalloy or nano-gold alloy.
4. The low-frequency electromagnetic shielding room as claimed in claim 1, wherein the first electromagnetic shielding door is a power door, the second electromagnetic shielding door is a manual door, the first electromagnetic shielding door is electrically connected with a controller on one side, the controller is electrically connected with a first electromagnetic shielding door switch on a control panel, and a ring-shaped door handle is arranged on the second electromagnetic shielding door.
5. The low frequency electromagnetic shielding room of claim 1, wherein the bottom of the main room is provided with an antistatic floor, the inside of the main room is provided with a reflector lamp, an air conditioner and a ventilation port, and the inside of the operation room is provided with a reflector lamp.
6. A low frequency electromagnetic shielding room as claimed in claim 4, wherein said control panel is provided with a reflector switch and an air conditioner switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336190.9A CN111157771A (en) | 2018-11-08 | 2018-11-08 | Low-frequency electromagnetic shielding chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336190.9A CN111157771A (en) | 2018-11-08 | 2018-11-08 | Low-frequency electromagnetic shielding chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111157771A true CN111157771A (en) | 2020-05-15 |
Family
ID=70555580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811336190.9A Pending CN111157771A (en) | 2018-11-08 | 2018-11-08 | Low-frequency electromagnetic shielding chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111157771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739188A (en) * | 2020-12-25 | 2021-04-30 | 广东视控达智能科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331931Y (en) * | 2008-12-30 | 2009-10-21 | 中国人民解放军总参谋部工程兵科研三所 | Double-cabin double-door structure shielding square cabin |
| CN102661113A (en) * | 2012-05-22 | 2012-09-12 | 中国人民解放军总参谋部工程兵科研三所 | Fully-automatic suspension type two-dimensional electromagnetic shielding door with arc-shaped guide rails |
| CN204666744U (en) * | 2015-05-07 | 2015-09-23 | 郴州市久隆旺高科电子有限公司 | A kind of screened room carrying out electromagnetic compatibility test |
| CN205648337U (en) * | 2016-04-15 | 2016-10-12 | 东莞市全测电子科技有限公司 | Novel EM shielded room |
| CN205643425U (en) * | 2016-04-19 | 2016-10-12 | 东莞市全测电子科技有限公司 | A conduction screened room for electromagnetic compatibility test |
| CN106211734A (en) * | 2016-09-08 | 2016-12-07 | 河南民生特种装备有限公司 | The electromagnetic shielding chamber of metallic plate externally-packed structure and processing technology |
| CN106211733A (en) * | 2016-09-08 | 2016-12-07 | 河南民生特种装备有限公司 | The electromagnetic shielding chamber of metal form externally-packed structure and processing technology |
| CN206042675U (en) * | 2016-09-08 | 2017-03-22 | 河南民生特种装备有限公司 | EM shielded room of metal sheet outsourcing structure |
| CN207151088U (en) * | 2017-09-20 | 2018-03-27 | 青岛中卓海泰微波科技有限公司 | A kind of safe screened room |
-
2018
- 2018-11-08 CN CN201811336190.9A patent/CN111157771A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331931Y (en) * | 2008-12-30 | 2009-10-21 | 中国人民解放军总参谋部工程兵科研三所 | Double-cabin double-door structure shielding square cabin |
| CN102661113A (en) * | 2012-05-22 | 2012-09-12 | 中国人民解放军总参谋部工程兵科研三所 | Fully-automatic suspension type two-dimensional electromagnetic shielding door with arc-shaped guide rails |
| CN204666744U (en) * | 2015-05-07 | 2015-09-23 | 郴州市久隆旺高科电子有限公司 | A kind of screened room carrying out electromagnetic compatibility test |
| CN205648337U (en) * | 2016-04-15 | 2016-10-12 | 东莞市全测电子科技有限公司 | Novel EM shielded room |
| CN205643425U (en) * | 2016-04-19 | 2016-10-12 | 东莞市全测电子科技有限公司 | A conduction screened room for electromagnetic compatibility test |
| CN106211734A (en) * | 2016-09-08 | 2016-12-07 | 河南民生特种装备有限公司 | The electromagnetic shielding chamber of metallic plate externally-packed structure and processing technology |
| CN106211733A (en) * | 2016-09-08 | 2016-12-07 | 河南民生特种装备有限公司 | The electromagnetic shielding chamber of metal form externally-packed structure and processing technology |
| CN206042675U (en) * | 2016-09-08 | 2017-03-22 | 河南民生特种装备有限公司 | EM shielded room of metal sheet outsourcing structure |
| CN207151088U (en) * | 2017-09-20 | 2018-03-27 | 青岛中卓海泰微波科技有限公司 | A kind of safe screened room |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739188A (en) * | 2020-12-25 | 2021-04-30 | 广东视控达智能科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
| CN112739188B (en) * | 2020-12-25 | 2022-11-11 | 北京艾姆克电磁兼容科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107635390B (en) | A kind of cold and hot separation data center with low-and high-frequency electro-magnetic screen function | |
| CN111157771A (en) | Low-frequency electromagnetic shielding chamber | |
| CN207543497U (en) | A kind of pin-connected panel screened room with alarm function | |
| JP2012080022A (en) | Temperature and humidity adjustment mechanism | |
| CN205648337U (en) | Novel EM shielded room | |
| CN201331931Y (en) | Double-cabin double-door structure shielding square cabin | |
| CN202854184U (en) | Darkroom and shielded room layout structure of electric system test equipment | |
| CN208379003U (en) | A kind of inert atmosphere protection cabin | |
| CN219553397U (en) | Ferromagnetic resonance eliminating device of voltage transformer | |
| CN217655217U (en) | Top suction type exhaust device for shielding room or anechoic chamber | |
| CN213306092U (en) | Anti-electromagnetic interference high-voltage control cabinet | |
| CN110972427B (en) | Case suitable for complex environment | |
| CN209676653U (en) | A kind of safety-type cabinet body of husky equipment dynamic control cabinet of system | |
| WO2017181577A1 (en) | Modular magnetic resonance shielded room and modular hospital having same | |
| CN208476983U (en) | A kind of intelligent electric meter device | |
| CN209643271U (en) | A kind of electromagnetic screen of air-conditioner outdoor unit group | |
| JP3963729B2 (en) | Clean room ceiling structure | |
| CN208174346U (en) | A kind of waterproof cabinet with emergency power supply | |
| CN207151088U (en) | A kind of safe screened room | |
| CN214152617U (en) | Dry-type transformer shell structure | |
| CN202799567U (en) | Electromagnetic screening box | |
| CN212507601U (en) | Anechoic chamber suitable for diversified body type samples | |
| CN215812945U (en) | Full-shielding non-partial discharge laboratory | |
| CN209310212U (en) | A kind of shielding shelter split-type air conditioner screening arrangement | |
| CN214953359U (en) | High waterproof carbon monoxide detector for bathroom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200515 |
|
| RJ01 | Rejection of invention patent application after publication |