CN214943024U

CN214943024U - Electromagnetic shielding tent

Info

Publication number: CN214943024U
Application number: CN202121079471.8U
Authority: CN
Inventors: 翟琳旭
Original assignee: Beijing Zhongyou Weihao Technology Development Co ltd
Current assignee: Beijing Zhongyou Weihao Technology Development Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-30
Anticipated expiration: 2031-05-19

Abstract

The utility model provides an electromagnetic shielding tent relates to tent technical field, has solved the loading and unloading of the electromagnetic shielding tent that exists among the prior art and has carried inconvenient technical problem. The device comprises an air column supporting frame and a shielding body, wherein the shielding body can cover the air column supporting frame and can shield electromagnetic interference; the gas column supporting frame is provided with an inflation cavity, and when gas is filled in the inflation cavity, the gas column supporting frame can support the shielding body and form a shielding space; when the gas in the inflation cavity is released, the gas column supporting frame can be folded and stored.

Description

Electromagnetic shielding tent

Technical Field

The utility model belongs to the technical field of the tent technique and specifically relates to an electromagnetic shield tent is related to.

Background

At present, military information safety is related to national security risk and war victory and defeat information, and both combat parties capture information right and keep battle field initiative by protecting the information safety of the partner and interfering and destroying the information system of the enemy, thereby becoming the key for obtaining the whole war victory. Therefore, under the field battle condition, in order to avoid the attack of electromagnetic weapons, electromagnetic leakage, microwave and other interference on the information of the prior party, the information of the prior party is protected by the electromagnetic shielding tent.

The existing electromagnetic shielding tent is low in shielding performance, not ideal in structure and inconvenient to assemble and disassemble. As is well known, the conventional electromagnetic shielding tent includes a framework, which generally employs a metal support, which is very inconvenient to assemble and disassemble and has a heavy weight, so that transportation and movement are a big problem. Especially, the larger the electromagnetic shielding tent, the more the bracket is used, and along with the increase of the area of the electromagnetic shielding tent, the load-bearing requirement is larger, so that the load-bearing capacity of the bracket is increased, correspondingly, the metal bracket with the larger wall thickness is also used, and the weight of the tent is also larger. Moreover, due to the existence of the metal support, the metal support cannot be freely packed, and the metal support is generally longer in length, so that a small vehicle cannot be placed in the metal support, and a large vehicle is required to be adopted in the transportation process. The metal support electromagnetic shielding tent needs a plurality of people to erect, the erection time is long, the larger the tent is, more people are needed, and the consumed time is longer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic shielding tent to solve the loading and unloading of the electromagnetic shielding tent that exists among the prior art and carry inconvenient technical problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an electromagnetic shielding tent, which comprises an air column supporting frame and a shielding body, wherein the shielding body can cover the air column supporting frame and can shield electromagnetic interference;

the gas column supporting frame is provided with an inflation cavity, and when gas is filled in the inflation cavity, the gas column supporting frame can support the shielding body and form a shielding space; when the gas in the inflation cavity is released, the gas column supporting frame can be folded and stored.

Optionally, the gas column support frame comprises a base frame and a space support frame, the space support frame is located at one side of the base frame, the free end of the space support frame is communicated with the side surface of the base frame, and the shield can cover the base frame and the space support frame;

and the base frame is provided with an air release valve and an inflation valve.

Optionally, the gas column support frame is made of a PVC double-coated composite material.

Optionally, the shielding body includes a rain-proof layer and a shielding layer, the rain-proof layer is connected with the shielding layer, and the shielding layer is connected with the air column support frame.

Optionally, the shielding layer includes first inlayer, second inlayer and the third inlayer that sets gradually from inside to outside, first inlayer the second inlayer with the third inlayer is connected through sewing up and the department of sewing up of three covers there is compound conducting rubber strip, the third inlayer with the rain-proof layer is connected.

Optionally, the first inner layer is made of a fabric made of ultra-high molecular weight polyethylene; the second inner layer is plain woven conductive cloth; the third inner layer is a fabric formed by combining conductive cloth and aluminum foil; the rain-proof layer is made of PVC (polyvinyl chloride) floral camouflage fabric.

Optionally, the shielding door further comprises an inner door and an outer door, the inner door is connected with the shielding layer through a zipper, the outer door is connected with the rainproof layer, and the inner door corresponds to the outer door;

the inner door is of a U-shaped structure;

the outer door comprises a frame and a door body, the frame is connected with the rainproof layer, and the frame is connected with the door body through a zipper and a magnet.

Optionally, the shielding body further comprises a ventilation waveguide window, and the ventilation waveguide window is connected with the shielding body;

the ventilation waveguide window comprises a honeycomb core and a waveguide window frame, the honeycomb core is connected with the waveguide window frame through welding, and the waveguide window frame is connected with the shielding body;

the honeycomb core is provided with a plurality of honeycomb holes with hexagonal cross sections, and the waveguide window frame is provided with fixing holes.

Optionally, the shielding device further comprises a fixing fitting, and the shielding body is connected with the ground through the fixing fitting.

Optionally, a filter unit, a ground device unit and a lighting device unit are also included.

When the electromagnetic shielding tent is built in the field, the electromagnetic shielding tent provided by the utility model is simply built by inflating the gas column supporting frame and covering the shielding body on the gas column supporting frame, so that the shielding body is supported and forms a shielding space; when dismantling electromagnetic shielding tent, only need emit the back with gas in the gas column braced frame, just can fold it, the dismantlement of very convenient completion, gas column braced frame after folding is very convenient to be carried, simultaneously when putting up and dismantling electromagnetic shielding tent, the process of putting up and dismantling the skeleton has been saved, time has been practiced thrift, the labour has been reduced, electromagnetic shielding tent convenient loading and unloading and carrying have been realized, with the loading and unloading of electromagnetic shielding tent who solves existence among the prior art and carry inconvenient technical problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic side view of an electromagnetic shielding tent according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an air column supporting frame of an electromagnetic shielding tent according to an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a shield of an electromagnetic shielding tent according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an inner door of an electromagnetic shielding tent according to an embodiment of the present invention;

fig. 5 is a sectional view of a ventilation waveguide window of an electromagnetic shielding tent according to an embodiment of the present invention;

FIG. 6 is a table of parameters for testing the shielding effectiveness of a vented waveguide window;

fig. 7 is a table of the shielding effectiveness of the third inner electromagnetic shielding cloth;

in figure 1, an air column support frame; 11. a base frame; 111. a deflation valve; 112. an inflation valve; 12. a space support frame; 2. a shield; 21. a rain-proof layer; 22. a shielding layer; 221. a first inner layer; 222. a second inner layer; 223. a third inner layer; 3. a shield door; 31. an inner door; 32. an outer door; 321. a frame; 322. a door body; 4. a ventilation waveguide window; 41. a honeycomb core; 411. honeycomb holes; 42. a waveguide window frame; 421. a fixing hole; 5. and fixing the accessory.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

Example 1:

the utility model provides an electromagnetic shielding tent, which comprises an air column supporting frame 1 and a shielding body 2, wherein the shielding body 2 can cover the air column supporting frame 1, the inner layer of the shielding body 2 is connected with the air column supporting frame 1 through a connecting piece, the shielding body 2 can shield electromagnetic interference, and the internal information safety of the shielding body 2 is protected;

the air column supporting frame 1 is provided with an inflation cavity, the air column supporting frame 1 can inflate the inflation cavity through an air pump, and when the inflation cavity is filled with air, the air column supporting frame 1 can support the shielding body 2 and form a shielding space; when the gas in the inflation cavity is released, the gas column support frame 1 can be folded and stored. When the electromagnetic shielding tent is built in the field, the electromagnetic shielding tent provided by the utility model can be simply built only by inflating the gas column supporting frame 1 and covering the shielding body 2 on the gas column supporting frame 1, so that the shielding body 2 is supported and forms a shielding space; when dismantling electromagnetic shielding tent, only need emit the back with gas in the gas column braced frame 1, just can fold it, the dismantlement of very convenient completion, gas column braced frame 1 after folding is very conveniently carried, when putting up and dismantling electromagnetic shielding tent simultaneously, the process of putting up and dismantling the skeleton has been saved, time has been practiced thrift, the labour has been reduced, electromagnetic shielding tent convenient loading and unloading and carrying have been realized, with the electromagnetic shielding tent loading and unloading that exist among the solution prior art and carry inconvenient technical problem.

Example 2:

as an alternative embodiment, the air column support frame 1 includes a base frame 11 and a space support frame 12, the space support frame 12 is located at one side of the base frame 11 and the free end of the space support frame 12 is communicated with the side of the base frame 11, the shielding body 2 can cover the base frame 11 and the space support frame 12, the base frame 11 is a quadrilateral structure, the base frame 11 is used for the bottom support of the air column support frame 1, the space support frame 12 is provided with a plurality of air columns, the free end of each air column is correspondingly communicated with the base frame 11, and the space support frame 12 is used for supporting the shielding body 2;

the base frame 11 is provided with a deflating valve 111 and an inflating valve 112, and the deflating or inflating is performed to the inflating cavity through the deflating valve 111 and the inflating valve 112.

Example 3:

as an alternative embodiment, the material used for the air column support frame 1 may be PVC double-coated composite material. The air column supporting frame 1 is produced by adopting a process of combining an adhesive and high-frequency heat seal, so that the air column supporting frame has the advantages of high rigidity, strong supporting property, good air tightness, light weight, water resistance, flame resistance, mildew resistance, ultraviolet radiation resistance and the like. The processing of the PVC double-coating composite material adopts a hot air rolling type processing method, the method is an adhesion method of melting, rolling and cooling two layers of PVC materials to be connected by using high-pressure hot air with the temperature of 380-440 ℃, and the tearing breaking strength of the joint part after adhesion treatment is larger than that of the materials.

Example 4:

as an optional embodiment, the shielding body 2 includes a rain-proof layer 21 and a shielding layer 22, the rain-proof layer 21 and the shielding layer 22 are connected through a heat sealing process, the shielding layer 22 is connected with the air column supporting frame 1, the shielding layer 22 includes a first inner layer 221, a second inner layer 222 and a third inner layer 223 which are sequentially arranged from inside to outside, the first inner layer 221, the second inner layer 222 and the third inner layer 223 are connected through sewing, and the sewing positions of the first inner layer 221, the second inner layer 222 and the third inner layer 223 are covered with a composite conductive adhesive tape, the composite conductive adhesive tape is used for covering needle eyes and avoiding the reduction of electromagnetic interference performance, and the third inner layer 223 and the rain-proof layer 21 are connected through a heat sealing process.

As an alternative embodiment, the first inner layer 221 is made of an ultra-high molecular weight polyethylene material, and the reason and the characteristics of the ultra-high molecular weight polyethylene material are as follows: A. the durability is realized, and the service life of a finished product is 12 times that of a common nylon polyester material; B. the rope made of the material can be used for a long time at the temperature of ultralow temperature of-200 ℃, can also be used for a long time in acid-alkali seawater, and can also be used for a long time in the severe environment of tropical rain forest, hot sun, rain, wind and wind without aging; C. the super-strong tensile force and the ultra-low elongation rate are 15 times of the strength of steel wires with the same modulus, 40 percent higher than that of aramid fibers, and the elongation rate is 3.5 percent. The material also has the performances of wear resistance and cutting resistance, and is a high-quality material for manufacturing bulletproof clothes and bulletproof helmets; D. high specific strength and high specific modulus. The specific strength is more than ten times of that of the steel wire with the same section, and the specific modulus is only second to that of the special-grade carbon fiber; E. chemical resistance, wear resistance and longer flex life.

The second inner layer 222 is a plain weave conductive fabric, which is selected for the following reasons and characteristics: A. the material is high-performance conductive cloth, and the screen effect of a single-layer material can reach more than or equal to 70dB (100 MHz-18 GMHz); B. the thickness of the plain weave conductive fabric is 0.05mm, the weight is 78g, the screen effect is high, and meanwhile, the light friction resistance and the corrosion resistance are excellent; C. the third inner layer 223 is used to enhance the shielding effect and block weak signal waves passing through the tent gap, thereby further ensuring that the shielding layer 22 achieves the desired shielding effect.

The third inner layer 223 is a fabric formed by combining conductive cloth and aluminum foil, and the fabric is selected for the following reasons and characteristics: a. The fabric adopts a combination mode of conductive cloth, aluminum foil (0.06mm in thickness) and conductive cloth, and is a multi-band shielding fabric which is formed by compounding conductive heat seal adhesive with the thickness of 8 mu m through a specific process; B. the thickness of the shielding material of the third inner layer 223 is less than or equal to 0.3mm, and the weight is 271 g; C. the shielding effectiveness of the third inner layer 223 is larger than 105dB (15MHz-18GHz), the composite fabric is the composite fabric which is the lightest in weight and the widest in shielding wave band range in domestic same-shielding-effect flexible materials at the present stage, and the shielding effect reaches the best in the same industry field.

The rain-proof layer 21 is made of PVC (polyvinyl chloride) Dahua camouflage fabric, and the fabric is selected for the following reasons and characteristics: A. the inner layer of the rain-proof layer 21 is processed with an aluminum powder coating by a spraying process and compounded with conductive cloth, so that the rain-proof layer 21 has certain shielding effectiveness as a first layer of shielding body; B. the rain-proof layer 21 has a thickness of 0.7mm and a weight of 110 g. Considering that the product has higher height and larger area subjected to wind and snow pressure, the product has the performances of folding resistance, wear resistance, heat preservation, tensile resistance, breaking strength, hydrostatic pressure, solar radiation aging resistance and the like, wherein the breaking strength is more than or equal to 4500N in the warp direction and more than or equal to 2800N in the weft direction; the tearing strength is more than or equal to 120N in the radial direction and more than or equal to 90N in the weft direction; the hydrostatic pressure is more than or equal to 20 KPa.

Example 5:

as an optional implementation mode, the shielding door further comprises a shielding door 3, the material adopted by the shielding door 3 is the same as the material adopted by the shielding body 2, the shielding door 3 comprises an inner door 31 and an outer door 32, the inner door 31 is connected with the shielding layer 22 through a zipper, the inner door 31 is of a U-shaped structure, a corresponding U-shaped opening is also arranged on the shielding layer 22, and the U-shaped opening is connected with the inner door 31 through a zipper; the outer door 32 is connected with the rain-proof layer 21 through a heat seal process, the inner door 31 corresponds to the outer door 32, the outer door 32 comprises a frame 321 and a door body 322, the frame 321 is connected with the rain-proof layer 21 through the heat seal process, a mounting opening is correspondingly arranged on the rain-proof layer 21, the frame 321 is connected with the mounting opening through the heat seal process, and the frame 321 is connected with the door body 322 through a zipper and a magnet.

As an optional implementation mode, the shielding device further comprises a ventilation waveguide window 4, the ventilation waveguide window 4 is connected with the shielding body 2, the number of the ventilation waveguide window 4 is at least one, and the ventilation waveguide window 4 is made of aluminum;

the ventilation waveguide window 4 comprises a honeycomb core 41 and a waveguide window frame 42, the honeycomb core 41 is connected with the waveguide window frame 42 through welding, the honeycomb core 41 and the waveguide window frame 42 adopt a full metallurgical welding process, the honeycomb core 41 and the waveguide window frame 42 are ensured to be firmly connected, and the waveguide window frame 42 is connected with the shielding body 2;

the honeycomb core 41 is provided with a plurality of honeycomb holes 411 having a hexagonal cross-sectional shape, the waveguide window frame 42 is provided with fixing holes 421, and the waveguide window frame 42 is connected to the shield body 2 through the fixing holes 421.

The honeycomb core 41 adopts a one-step forming process, the hexagonal aperture of the honeycomb holes 411 is 10mm, and the honeycomb core is characterized by small wind resistance, difficult blockage by air floating objects and convenient cleaning and maintenance; the full metallurgy welding process is characterized by high shielding efficiency and wide protective frequency band (10 KHz-18 GHz) more than or equal to 87 dB.

As an optional embodiment, the shielding body 2 is connected with the ground through the fixing fitting 5, and the fixing fitting 5 includes a ton bag, a pull rope and a ground anchor, and the ton bag, the pull rope and the ground anchor can reinforce the shielding body 2.

As an optional embodiment, a filter unit, a ground device unit and a lighting device unit are further included. The filter unit includes a power filter, a telephone filter and a network filter, and the ground device unit includes a voice channel and a broadband channel.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electromagnetic shielding tent, characterized in that it comprises an air column supporting frame (1) and a shielding body (2), wherein,

the shielding body (2) can cover the air column supporting frame (1), and the shielding body (2) can shield electromagnetic interference;

the gas column supporting frame (1) is provided with an inflation cavity, and when gas is filled in the inflation cavity, the gas column supporting frame (1) can support the shielding body (2) and form a shielding space; when the gas in the inflation cavity is released, the gas column supporting frame (1) can be folded and stored.

2. Electromagnetic shielding tent according to claim 1, characterized in that the air column support frame (1) comprises a base frame (11) and a space support frame (12), the space support frame (12) being located at one side of the base frame (11) and the free end of the space support frame (12) being in communication with the side of the base frame (11), the shielding body (2) being able to cover the base frame (11) and the space support frame (12);

the base frame (11) is provided with an air release valve (111) and an air inflation valve (112).

3. The electromagnetic shielding tent according to claim 1, wherein the material used for the air column supporting frame (1) is PVC double-coated composite material.

4. Electromagnetic shielding tent according to claim 1, characterized in that the shielding body (2) comprises a rain-proof layer (21) and a shielding layer (22), the rain-proof layer (21) and the shielding layer (22) being connected, the shielding layer (22) being connected with the air column support frame (1).

5. The electromagnetic shielding tent of claim 4, wherein the shielding layer (22) comprises a first inner layer (221), a second inner layer (222) and a third inner layer (223) which are sequentially arranged from inside to outside, the first inner layer (221), the second inner layer (222) and the third inner layer (223) are connected through sewing, the sewing positions of the first inner layer, the second inner layer and the third inner layer are covered with a composite conductive adhesive tape, and the third inner layer (223) is connected with the rain-proof layer (21).

6. The electromagnetic shielding tent of claim 5, wherein the first inner layer (221) is made of an ultra-high molecular weight polyethylene fabric; the second inner layer (222) is plain woven conductive cloth; the third inner layer (223) is a fabric formed by combining conductive cloth and aluminum foil; the rain-proof layer (21) is made of PVC (polyvinyl chloride) large flower camouflage fabric.

7. The electromagnetic shielding tent of claim 4, further comprising a shielding door (3), wherein the shielding door (3) comprises an inner door (31) and an outer door (32), the inner door (31) is connected with the shielding layer (22) through a zipper, the outer door (32) is connected with the rain-proof layer (21), and the inner door (31) and the outer door (32) correspond;

the inner door (31) is of a U-shaped structure;

the outer door (32) comprises a frame (321) and a door body (322), the frame (321) is connected with the rain-proof layer (21), and the frame (321) is connected with the door body (322) through a zipper and a magnet.

8. Electromagnetic shielding tent according to claim 1, characterized by further comprising a ventilation waveguide window (4), said ventilation waveguide window (4) being connected with said shielding body (2);

the ventilation waveguide window (4) comprises a honeycomb core (41) and a waveguide window frame (42), the honeycomb core (41) is connected with the waveguide window frame (42) through welding, and the waveguide window frame (42) is connected with the shielding body (2);

the honeycomb core (41) is provided with a plurality of honeycomb holes (411) with hexagonal cross sections, and the waveguide window frame (42) is provided with a fixing hole (421).

9. Electromagnetic shielding tent according to claim 1, characterized in that it further comprises a fixing fitting (5), said shielding body (2) being connected to the ground via said fixing fitting (5).

10. The electromagnetic shielding tent of claim 1, further comprising a filter unit, a ground wire device unit, and a lighting device unit.