CN209768112U - Assembled flexible electromagnetic shielding device - Google Patents
Assembled flexible electromagnetic shielding device Download PDFInfo
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- CN209768112U CN209768112U CN201821936078.4U CN201821936078U CN209768112U CN 209768112 U CN209768112 U CN 209768112U CN 201821936078 U CN201821936078 U CN 201821936078U CN 209768112 U CN209768112 U CN 209768112U
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Abstract
The utility model belongs to the technical field of engineering electromagnetic protection, a flexible electromagnetic shield device of assembled is disclosed. A disclosed assembled flexible electromagnetic shielding device has a shielding unit suspended inside a fabricated structure; the shielding unit is a plurality of which are arranged in segments: the shielding device comprises a front end face shielding unit, a middle shielding unit, a rear end face shielding unit and a ground shielding unit; the front end face shielding unit, the middle shielding unit, the rear end face shielding unit and the ground shielding unit are combined into a closed hollow shielding unit; at least one middle shielding unit; the front end face of the front end face shielding unit is provided with a personnel entrance, a ventilation waveguide window and a filter interface which is used as a special channel for the cables of various instruments and equipment to enter and exit the shielding body; the whole set of electromagnetic shielding device is arranged inside the assembly type structure through the hook, and can prevent external strong electromagnetic interference and internal electromagnetic information from leaking.
Description
Technical Field
The utility model belongs to the technical field of the electromagnetic protection, concretely relates to assembled flexible electromagnetic shield device.
Background
with the wide application of information technology and microelectronic technology, the space electromagnetic environment is increasingly complex, strong electromagnetic radiation can not only interfere the normal work of electronic instruments and equipment, but also cause hardware damage in severe cases, so that the system is paralyzed; meanwhile, electromagnetic waves radiated outwards during the operation of the electronic equipment are very easy to be received and restored, information leakage is caused, and great hidden danger is caused to information safety. The electromagnetic shielding of important electronic equipment is an important means for keeping the system working stable, preventing electromagnetic interference and ensuring the safety of electronic information
The basic principle of electromagnetic shielding is that electromagnetic waves are reflected and diffracted by using a shielding body made of a material with good conductivity, so that the electromagnetic waves are prevented from being transmitted from one space to another space, the conductive material mainly comprises a copper plate, an aluminum plate, a steel plate, a copper foil, a filter, a copper mesh and the like, and the shielding body is mainly in an electromagnetic shielding room and is commonly used for information security and electromagnetic compatibility design tests of national defense security and department of institution and institution.
The electromagnetic shielding room generally adopts cold-rolled steel plates as main shielding materials, comprises six-sided shells, doors, windows and other common house elements, and performs corresponding shielding treatment on all inlet and outlet pipelines, and requires strict electromagnetic sealing performance so as to block the inlet and outlet of electromagnetic radiation. The electromagnetic shielding chamber generally adopts a metal large plate structure, the plates are connected together by welding, the fixed structure is more, and although a small part of the electromagnetic shielding chamber adopts an assembled structure, the shielding effectiveness can be obviously reduced after the electromagnetic shielding chamber is moved. The electromagnetic shielding room is difficult to transfer and reinstall due to the characteristics, is generally specially used for electromagnetic shielding compatibility design test, electromagnetic recording long-time storage, electronic information confidentiality and the like, and is not used for general office use.
Under the information-based condition, many sensitive office places, sensitive electronic equipment need carry out interim electromagnetic shield, especially at some movable assembled structure who extensively uses on the military affairs, adopt modes such as grafting, pin joint fast assembly and disassembling mostly, there are a lot of clearances between the installation completion back component, the electromagnetic wave very easily gets into inside or radiates the exterior space through these clearances, lead to electronic equipment to receive the interference damage and information leakage, if adopt traditional electromagnetic shield room, can greatly increased transportation, installation cost, can not satisfy the requirement in the aspect of the ageing more.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present invention provides an assembled flexible electromagnetic shielding device.
the utility model adopts the following technical scheme for accomplishing the above purpose:
An assembled flexible electromagnetic shielding device having a shielding unit suspended inside an assembled structure; the shielding unit is a plurality of which are arranged in segments: the shielding device comprises a front end face shielding unit, a middle shielding unit, a rear end face shielding unit and a ground shielding unit; the front end face shielding unit, the middle shielding unit, the rear end face shielding unit and the ground shielding unit are combined into a whole to form a closed hollow shielding unit; the middle shielding unit is positioned between the front end surface shielding unit and the rear end surface shielding unit, and at least one middle shielding unit is arranged; the front end face shielding unit is a frame with an opening at the rear end and made of flexible shielding cloth; the middle shielding unit is a frame which is made of flexible shielding cloth and is provided with openings at the front end and the rear end; the rear end face shielding unit is a frame with an opening at the front end and made of flexible shielding cloth; the front end face shielding unit and the middle shielding unit, the adjacent two middle shielding units and the middle shielding unit and the rear end face shielding unit are hermetically connected into a whole through shielding connecting devices; the top and the side of the front end surface shielding unit, the middle shielding unit and the rear end surface shielding unit are respectively provided with a hook for connecting with a preset hook in the assembly structure; the front end face of the front end face shielding unit is provided with a personnel entrance, a ventilation waveguide window and a filter interface which is used as a special channel for cables of various instruments and equipment to enter and exit the shielding body; the personnel entrance and exit adopts a lifting curtain type structure, and is closed by an entrance and exit shielding zipper and shielding; the shielding zipper is of a segmented straight-line structure, each segment is connected end to end, and all chain rulers are connected together through a pull head; the inner side and the outer side of the shielding zipper are shielded by adopting shielding; the shielding shelter consists of a large pressing strip and a small pressing strip made of shielding cloth and a nylon thread gluing; the ventilation waveguide windows are arranged at the top ends of the personnel entrances and exits; the bottom surface shielding unit is flat; the bottom surface shielding unit is connected to the inner sides of the bottoms of the front end surface shielding unit, the middle shielding unit and the rear end surface shielding unit; and shielding thread gluing is arranged on the periphery of the bottom surface shielding unit and used for being bonded with the front end surface shielding unit, the middle shielding unit and the rear end surface shielding unit.
The front end face of the assembled flexible electromagnetic shielding device, namely the front end face of the front end face shielding unit, is provided with a grounding lead which can be connected with a grounding ground nail inserted into the ground from the outside.
The assembled flexible electromagnetic shielding device is internally provided with an illuminating lamp bayonet and can be used for installing an internal illuminating lamp.
The shielding connecting device consists of a shielding zipper, a shielding thread gluing device and a rope tightening device; the shielding zipper, the shielding thread gluing and the rope tightening device are respectively positioned at the edges of the adjacent segmented shielding units according to pairing; the shielding sticking buckle is provided with a large shielding pressing strip and a small shielding pressing strip which are respectively sewn on two adjacent sectional shielding units; the large shielding pressing strip and the small shielding pressing strip are respectively coated on the shielding zipper; the euphroe consists of a high-strength nylon belt and a lock catch.
The outer side of the ventilation waveguide window is a honeycomb waveguide window, and the inner side of the ventilation waveguide window is a fan.
The filter interface is provided with an inner clamping plate arranged on the inner side of the front end face shielding unit and an outer clamping plate arranged on the inner side of the front end face shielding unit; the inner clamping plate and the outer clamping plate are connected with the front end face of the front end face shielding unit through countersunk screws.
The rear end face shielding unit is provided with a ventilation waveguide window; the outer side of the ventilation waveguide window is a honeycomb waveguide window, and the inner side of the ventilation waveguide window is an exhaust fan.
The utility model provides an assembled flexible construction shield assembly adopts above-mentioned technical scheme, has following beneficial effect:
The assembled flexible electromagnetic shielding device is installed inside an assembled structure, can meet the work requirement of personnel and equipment entering and exiting places, can prevent electromagnetic waves from radiating and spreading in the inner and outer regions of a command post, and achieves electromagnetic shielding. Meanwhile, due to the adoption of the unit type structural design and the flexible shielding material, the weight of a single piece can be reduced, and the structure is convenient to mount, withdraw, store and transport.
drawings
Fig. 1 is the schematic view of the installation inside the fabricated structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
FIG. 3 shows the middle shielding unit connection device of the present invention
Fig. 4 is a schematic diagram of the outer side of the middle-front end-face shielding unit of the present invention.
Fig. 5 is an inner side schematic view of the middle-front end-face shielding unit of the present invention.
Fig. 6 is a schematic view of the middle cable access device of the present invention.
Fig. 7 is an inner side schematic view of the middle and rear end face shielding unit of the present invention.
In the figure: 1. assembled flexible electromagnetic shielding device, 2, assembled structure, 3, hook, 4, grounding ground nail, 5, front end face shielding unit, 6, middle shielding unit, 7, rear end face shielding unit, 8, bottom surface shielding unit, 9, shielding unit connecting device, 10, shielding adhesive button, 11, shielding zipper, 12, shielding adhesive button, 13, rope tightening device, 14, large shielding pressing strip, 15, small shielding pressing strip, 16, nylon adhesive button, 17, personnel access, 18, ventilation waveguide window, 19, filter interface, 20, access shielding zipper, 21, shielding, 21, air intake fan, 22, inner clamping plate, 23, outer clamping plate, 24, matched filter, 25 and exhaust fan.
Detailed Description
In order to facilitate the understanding and implementation of the present invention by those of ordinary skill in the art, the present invention is further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, an assembled flexible electromagnetic shielding device having a shielding unit suspended inside a fabricated structure 2; with reference to fig. 2, the shielding units are a plurality of shielding units arranged in segments: the shielding device comprises a front end face shielding unit 5, a middle shielding unit 6, a rear end face shielding unit 7 and a ground shielding unit 8; the front end face shielding unit 5, the middle shielding unit 6, the rear end face shielding unit 7 and the ground shielding unit 8 are combined into a closed hollow shielding unit; the front end face of the assembled flexible electromagnetic shielding device, namely the front end face of the front end face shielding unit is provided with a grounding lead which can be connected with a grounding ground nail 4 inserted into the ground from the outside; the middle shielding unit 6 is located between the front end surface shielding unit 5 and the rear end surface shielding unit 7, and at least one middle shielding unit 6 is provided, in this embodiment, one middle shielding unit 6 is provided; the front end face shielding unit 5 is a frame which is made of flexible shielding cloth and has openings at the rear end and the bottom end; the middle shielding unit 6 is a frame which is made of flexible shielding cloth and has openings at the front end, the rear end and the bottom end; the rear end face shielding unit 7 is a frame which is made of flexible shielding cloth and has openings at the front end and the bottom end; the front end face shielding unit 5 and the middle shielding unit 6, the adjacent two middle shielding units 6 and the middle shielding unit 6 and the rear end face shielding unit 7 are connected into a whole through a shielding connecting device seal 9; with reference to fig. 3, the shielding connection device is composed of a shielding zipper 11, a shielding adhesive buckle 12 and a rope tightener 13; the shielding zipper 11, the shielding sticking buckle 12 and the rope tightener 13 are respectively positioned at the edges of the adjacent segmented shielding units according to pairing; the shielding sticking buckle 12 consists of a large shielding pressing strip 14, a small shielding pressing strip 15 and a nylon sticking buckle 16 which are respectively sewn on two adjacent sectional shielding units; the large shielding pressing strip 14 and the small shielding pressing strip 15 are respectively coated on the shielding zipper 11 and are bonded into a whole through a nylon thread gluing 16; the rope tightener 13 consists of a high-strength nylon belt and a lock catch; the top and the side of the front end face shielding unit 5, the middle shielding unit 6 and the rear end face shielding unit 7 are respectively provided with a hook 3 for connecting with a hook preset in the assembly type structure 2; the front end face of the front end face shielding unit 5 is provided with a personnel entrance 17, a ventilation waveguide window 18 and a filter interface 19 used as an entrance and exit shielding body of cables of various instruments and equipment; referring to fig. 4, the doorway 17 is closed by a doorway shielding zipper 20 and a shielding shutter 21 in a curtain-lifting structure; the entrance and exit shielded zipper 20 is of a segmented straight-line structure, each segment is connected end to end, and all chain rulers are connected together through a pull head; the inner side and the outer side of the entrance and exit shielding zipper 20 are shielded by adopting a shielding screen 21; the shielding shelter 21 consists of a large pressing strip and a small pressing strip made of shielding cloth and a nylon thread gluing; the two pressing strips with different sizes are wrapped on the access shielding zipper 20 and are adhered into a whole through the nylon thread gluing; the ventilation waveguide windows 18 are arranged at the top ends of the personnel entrances and exits; the bottom surface shielding unit 8 is flat; the bottom surface shielding unit 8 is connected to the inner sides of the bottoms of the front end surface shielding unit, the middle shielding unit and the rear end surface shielding unit; and shielding thread gluing 10 which is used for being bonded with the front end face shielding unit, the middle shielding unit and the rear end face shielding unit is arranged around the bottom face shielding unit 8.
The assembled flexible electromagnetic shielding device is internally provided with an illuminating lamp bayonet and can be used for installing an internal illuminating lamp.
The outer side of the ventilation waveguide window 18 is a honeycomb waveguide window, and the inner side is an air inlet fan 21.
With reference to fig. 6, the filter interface 19 has an inner card 22 disposed inside the front end face of the front end face shielding unit and an outer card 23 disposed inside the front end face of the front end face shielding unit; the inner clamping plate and the outer clamping plate are connected with the front end face 5 of the front end face shielding unit through countersunk screws;
With reference to fig. 4, a ventilation waveguide window is arranged on the rear end face shielding unit; the outer side of the ventilation waveguide window is a honeycomb waveguide window, and the inner side of the ventilation waveguide window is an exhaust fan 25.
The utility model provides an electromagnetic shielding device operates through following step:
1. Suspending the segmented shield unit. The front end face shielding unit 5, the middle unit 6 and the rear end face shielding unit 7 are sequentially taken out, and after the front end face shielding unit, the middle unit and the rear end face shielding unit are unfolded, the unit hooks and the reserved hooks in the assembly type structure are sequentially installed and fixed;
2. The segment shield units are connected. After the segmented shielding units are installed and fixed, the rope tighteners 13 among the units are tightened, the shielding zippers 11 are closed and pulled, and the small shielding pressing strips 15 and the large shielding pressing strips 14 are smoothed out and adhered to the magic adhesive fasteners 16 in sequence;
3. The bottom surface unit is installed. Flatly paving the bottom surface unit 8 at the corresponding positions of the bottom surfaces of the installed front end surface shielding unit 5, the middle unit 6 and the rear end surface shielding unit 7, and flatly adhering the shielding adhesive buttons;
4. the fan is suspended. The fan hook is firstly hung on the green tape above the inner side of the ventilation waveguide window 18, and then the thread gluing is adhered to the corresponding position of the unit. Wherein, the air inlet fan 21 is arranged at the inner side of the front end surface shielding unit 5, and the exhaust fan 25 is arranged at the inner side of the rear end surface shielding unit 7;
5. and (5) installing the filter. The screwed joint of the matched filter 24 sequentially penetrates through the inner clamping plate 22 and the outer clamping plate 23 of the filter from the inner side of the front-end-face shielding unit 5, and then the nut is screwed by a large wrench. The types and the number of the installed filters are determined according to actual needs;
6. and installing a grounding wire. The grounding ground nail 4 is inserted into 4/5 of the ground, and then the leading-out wire of the front end surface shielding unit 5 is connected with the ground nail 4.
7. and installing the lighting lamp.
8. Closing the doorway. The entrance and exit shielded zipper 20 is closed from the top to the tail end of the ground zipper, and then the shielded shelter 21 covered on the zipper is pasted and smoothed out flatly.
The above embodiment is only an implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. The specific structure and the size of the device can be adjusted correspondingly according to actual needs. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. An assembled flexible electromagnetic shielding device, characterized in that: the assembled flexible electromagnetic shielding device is provided with a shielding unit suspended inside the assembled structure; the shielding unit is a plurality of which are arranged in segments: the shielding device comprises a front end face shielding unit, a middle shielding unit, a rear end face shielding unit and a bottom face shielding unit; the front end face shielding unit, the middle shielding unit, the rear end face shielding unit and the bottom face shielding unit are combined into a closed hollow shielding unit; the middle shielding unit is positioned between the front end surface shielding unit and the rear end surface shielding unit, and at least one middle shielding unit is arranged; the front end face shielding unit is a frame which is made of flexible shielding cloth and has openings at the rear end and the bottom end; the middle shielding unit is a frame which is made of flexible shielding cloth and has openings at the front end, the rear end and the bottom end; the rear end face shielding unit is a frame which is made of flexible shielding cloth and has openings at the front end and the bottom end; the front end face shielding unit and the middle shielding unit, the adjacent two middle shielding units and the middle shielding unit and the rear end face shielding unit are hermetically connected into a whole through shielding connecting devices; the top and the side of the front end surface shielding unit, the middle shielding unit and the rear end surface shielding unit are respectively provided with a hook for connecting with a preset hook in the assembly structure; the front end face of the front end face shielding unit is provided with a personnel entrance, a ventilation waveguide window and a filter interface used as an entrance and exit shielding body of cables of various instruments and equipment; the personnel entrance and exit adopts a lifting curtain type structure, and is closed by an entrance and exit shielding zipper and shielding; the shielding zipper is of a segmented straight-line structure, each segment is connected end to end, and all chain rulers are connected together through a pull head; the inner side and the outer side of the shielding zipper are shielded by adopting shielding; the shielding shelter consists of a large pressing strip and a small pressing strip made of shielding cloth and a nylon thread gluing; the ventilation waveguide windows are arranged at the top ends of the personnel entrances and exits; the bottom surface shielding unit is in a flat plate shape and is connected to the inner sides of the bottoms of the front end surface shielding unit, the middle shielding unit and the rear end surface shielding unit through shielding sticky buckles; the front end face of the assembled flexible electromagnetic shielding device, namely the front end face of the front end face shielding unit, is provided with a grounding lead which can be connected with a grounding ground nail inserted into the ground from the outside.
2. An assembled flexible electromagnetic shielding device according to claim 1, wherein: the assembled flexible electromagnetic shielding device is internally provided with an illuminating lamp bayonet and can be used for installing an internal illuminating lamp.
3. An assembled flexible electromagnetic shielding device according to claim 1, wherein: the shielding connecting device consists of a shielding zipper, a shielding thread gluing device and a rope tightening device; the shielding zipper, the shielding thread gluing and the rope tightening device are respectively positioned at the edges of the adjacent segmented shielding units according to pairing; the shielding sticking buckle is provided with a large shielding pressing strip and a small shielding pressing strip which are respectively stuck on two adjacent sectional shielding units; the large shielding pressing strip and the small shielding pressing strip are respectively coated on the shielding zipper and are bonded into a whole through nylon thread gluing; the euphroe consists of a high-strength nylon belt and a lock catch.
4. An assembled flexible electromagnetic shielding device according to claim 1, wherein: the outer side of the ventilation waveguide window is a honeycomb waveguide window, and the inner side of the ventilation waveguide window is an air inlet and exhaust fan.
5. An assembled flexible electromagnetic shielding device according to claim 1, wherein: the filter interface is provided with an inner clamping plate arranged on the inner side of the front end face shielding unit and an outer clamping plate arranged on the inner side of the front end face shielding unit; the inner clamping plate and the outer clamping plate are connected with the front end face of the front end face shielding unit through countersunk screws.
6. An assembled flexible electromagnetic shielding device according to claim 1, wherein: the rear end face shielding unit is provided with a ventilation waveguide window; the outer side of the ventilation waveguide window is a honeycomb waveguide window, and the inner side of the ventilation waveguide window is an exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936078.4U CN209768112U (en) | 2018-11-23 | 2018-11-23 | Assembled flexible electromagnetic shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936078.4U CN209768112U (en) | 2018-11-23 | 2018-11-23 | Assembled flexible electromagnetic shielding device |
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| Publication Number | Publication Date |
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| CN209768112U true CN209768112U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821936078.4U Active CN209768112U (en) | 2018-11-23 | 2018-11-23 | Assembled flexible electromagnetic shielding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392297A (en) * | 2018-11-23 | 2019-02-26 | 中国人民解放军军事科学院国防工程研究院 | A kind of assembly type flexible electromagnetic shielding device and assemble method |
-
2018
- 2018-11-23 CN CN201821936078.4U patent/CN209768112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392297A (en) * | 2018-11-23 | 2019-02-26 | 中国人民解放军军事科学院国防工程研究院 | A kind of assembly type flexible electromagnetic shielding device and assemble method |
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