CN209628001U - A kind of airtight electromagnetic shield - Google Patents

Abstract

The utility model provides a kind of airtight electromagnetic shield, which includes main protection body, buffer channel, is separated between main protection body, buffer channel by interlayer, and main protection body access door is provided on interlayer；Buffer channel is provided with level 2 buffering entrance, first-level buffer entrance and toilet, and level 2 buffering entrance, first-level buffer entrance and toilet are the separate space with access door.The main protection body, buffer channel are using cavity made of gas defence electromagnetic radiation material.The shield is striven, under the leakage of chemical toxic gas and secondary disaster generation environment in nuclear, chemical or biological war, the superpressure security protection space that can accommodate a fix the number of workers is formed, for purposes such as medical aid, personnel's rest, goods and materials storages；It is provided simultaneously with electromagnetic radiation protection function, can be used as field command post purposes, ensure information safety.And can the own assembling of multiple shields, constitute Collective Protective System, it is practical.

Description

A kind of airtight electromagnetic shield

Technical field

The utility model belongs to technical field of safety protection, specially a kind of airtight electromagnetic shield.

Background technique

Domestic electromagnetic shield or tent at present, material is generally common metal coating material, without air-tightness.Account Paulin molding is whole not have air-tightness and core biochemistry positive pressure safeguard function using sewing processing technology.And NBC protection tent Also without electro-magnetic screen function, while structure designs relatively simple, the NBC protection not being able to satisfy under complex environment.

Utility model content

Do not have the lacuna of NBC protection performance for current flexible electromagnetic shielding body, what the utility model intended to solve Technical problem is to provide a kind of airtight electromagnetic shield, which is provided simultaneously with NBC protection ability and electromagnetic shielding function Can, and there is good foldability energy and service performance, meet requirement of shelter of the user under complex environment.

The technical solution that the utility model solves the technical problem is to design a kind of airtight electromagnetic shield, feature It is, which includes main protection body, buffer channel, is separated between main protection body, buffer channel by interlayer, is set on interlayer It is equipped with main protection body access door；Buffer channel is provided with level 2 buffering entrance, first-level buffer entrance and toilet, and second level is slow Going out entrance, first-level buffer entrance and toilet is the separate space with access door, the access door of level 2 buffering entrance It is in communication with the outside, the access door of first-level buffer entrance is connected to the separate space of level 2 buffering entrance, the discrepancy of toilet Door and main protection body access door are connected to the separate space of first-level buffer entrance, close each access door, each section space It is not connected to each other.

The main protection body, buffer channel are using cavity made of gas defence electromagnetic radiation material, inside main protection body Use main protection body gas rib for support construction；Buffer channel is supported by buffer channel gas rib；

The main protection body includes extension connector, extension interface channel, wind-distributing pipe, air purification equipment, filter, master Protection body gas rib, wind resistance counterweight sandbag, wind resistance drawstring, observation window；Main protection body is internally provided with insulating layer, passes through hanging point and Buddhist nun Imperial thread gluing is fixed on main protection body gas rib；The fixation of insulating layer top is hung with wind-distributing pipe, one end of wind-distributing pipe and gas filtration ventilation Wave-guide intake is installed in device connection, junction, and the side outside main protection body is arranged in air purification equipment；Main protection body Two sides are provided with observation window, and observation window uses transparency electromagnetic wave shield material；One is respectively arranged on the two sides of main protection body Extend connector, by extension connector one extension interface channel of installation be extended and connect with other protection bodies；Filter The inside of main protection body is arranged in wave device, and filter is connect with the in-line power of main protection body and communication by cable.

The airtight electromagnetic shield of the utility model includes main protection body and buffer channel two large divisions, and support construction can adopt It is supported with inflating air rib, size can be adjusted according to use demand." one kind is anti-using patent CN106827735B for protection body material The material of utility model in the fire-retardant electromagnetic shielding composite material preparation method of poison and product ", to mustard gas " liquid-gas " guard time Reach 72 hours or more；Its electromagnetic shielding performance reaches 70dB or more in 200MHz~40GHz frequency range, for 100KHz~ The shield effectiveness of the low frequency magnetic field of 20MHz also can reach 20dB or more, be provided simultaneously with the functions such as fire-retardant, weather proof, ageing-resistant.It should Six faces of main protection body and buffer channel of airtight ELECTROMAGNETIC RADIATION SHIELDING body all use protective materials (including bottom surface).

Compared with prior art, the utility model beneficial effect is: the airtight electromagnetic shield can be filled with gas filtration ventilation Set and be used cooperatively, form Collective Protective System, good effect be strive in nuclear, chemical or biological war, chemical toxic gas leakage and secondary Disaster occurs under environment, forms the superpressure security protection space that can accommodate a fix the number of workers, for medical aid, personnel's rest, object The purposes such as money storage；It is provided simultaneously with electromagnetic radiation protection function, can be used as field command post purposes, ensure information safety.

Detailed description of the invention

Fig. 1 is a kind of a kind of airtight structural schematic diagram of embodiment of electromagnetic shield of the utility model, in figure: 1-is main anti- Watch box, 2-buffer channels, 3-level 2 buffering entrances, 4 first-level buffer entrances, 5-toilets, 6-extension connectors, 7-extension interface channels, 8-wind-distributing pipes, 9-air purification equipments, 10-filters, 11-main protection body gas ribs, 12-are delayed Rush channel gas rib, 13-wind resistance counterweight sandbags, 14-wind resistance drawstrings, 15-observation windows, 16-nonlocal cloth, 17-interior ground cloth.

Specific embodiment

Specific embodiment of the utility model is given below.Specific embodiment is only used for being further described originally practical new Type does not limit the protection scope of the claim of this application.

The utility model provides a kind of airtight electromagnetic shield (abbreviation shield, referring to Fig. 1), it is characterised in that the screen Covering body includes main protection body 1, buffer channel 2, is separated between main protection body 1, buffer channel 2 by interlayer, is provided on interlayer Main protection body access door.Buffer channel 2 is provided with level 2 buffering entrance 3, first-level buffer entrance 4 and toilet 5, and second level is slow Going out entrance 3, first-level buffer entrance 4 and toilet 5 is the separate space with access door, and level 2 buffering entrance 3 goes out Introduction is in communication with the outside, and the access door of first-level buffer entrance 4 is connected to the separate space of level 2 buffering entrance 3, toilet 5 Access door and main protection body access door be connected to the separate space of first-level buffer entrance 4, close each access door, each portion Point space is not connected to each other.Access doors at different levels can realize sealing using airtight zipper.

The main protection body 1 includes extension connector 6, extension interface channel 7, wind-distributing pipe 8, air purification equipment 9, filtering Device 10, main protection body gas rib 11, wind resistance counterweight sandbag 13, wind resistance drawstring 14, observation window 15, nonlocal cloth 16, interior ground cloth 17.It is main anti- Watch box 1 is internally provided with insulating layer, is fixed on main protection body gas rib 11 by the nylon adherent buckle of hanging point and 4cm wide.Insulating layer Top fixation is hung with wind-distributing pipe 8, and 8 one end of wind-distributing pipe is connect with air purification equipment 9, and wave-guide intake is installed in junction, protects The bulk shielding efficiency of main protection body 1 is demonstrate,proved, the side outside main protection body 1 is arranged in air purification equipment 9；Wind-distributing pipe 8 was incited somebody to action Pure air after filter is dispersed evenly in main protection body 1；The two sides of main protection body 1 are provided with observation window 15, shown in FIG. 1 Embodiment is provided with four fan observation windows 15, and observation window 15 uses transparency electromagnetic wave shield material, has NBC protection and electromagnetism spoke Penetrate safeguard function；An extension connector 6 is respectively arranged on the two sides of main protection body 1, by pacifying on extension connector 6 It fills an extension interface channel 7 and is extended with other shields and is connect；The inside of main protection body 1 is arranged in filter 10, filter Wave device 10 is connect with the in-line power of main protection body 1 and communication by cable.

Main 1 internal ground of protection body is laid with interior ground cloth 17, and interior ground cloth 17 uses fire-retardant single side polyurethane adhesive plaster, grammes per square metre Within 500g/ ㎡；Interior ground cloth 17 is fixed with main 1 earth material of protection body by thread gluing, avoids sliding；It is laid with outside main protection body 1 Nonlocal cloth 16, nonlocal cloth 16 use fire-retardant single side polyurethane adhesive plaster, within grammes per square metre 700g/ ㎡；Nonlocal cloth 16 passes through bandage and drawing Chain is fixed with main 1 outer layer of protection body；It is provided with wind resistance counterweight sandbag 13 and wind resistance rope 14 on the outside of main protection body 1, ensures shield Wind resistance；

The main protection body 1, buffer channel 2 are the airtight electromagnetism using cavity made of gas defence electromagnetic radiation material Radiative material is the material in patent CN106827735B " a kind of fire-retardant electromagnetic shielding composite material preparation method of gas defence and product " Material uses inside main protection body 1 main protection body gas rib 11 for support construction；Main 11 diameter of protection body gas rib is 30cm, and material is adopted With fire-retardant two-sided polyurethane adhesive plaster, thickness 0.5mm；The superpressure of 150Pa or more can be established inside main protection body 1；Outside main protection body Having a size of 5 meters × 7 meters × 3.2 meters；Buffer channel 2 is supported by buffer channel gas rib 12, and buffer channel 2 can guarantee that two people are same When into or out；Buffer channel 2 includes first-level buffer entrance 4 (inner overpressure 100Pa), 3 (inner overpressure of level 2 buffering entrance 60Pa) and toilet 5 (inner overpressure 60Pa).Main protection body and buffered ports at different levels form barometric gradient, support personnel into Environmental contaminants not can enter in main protection body 1 when out；

Level 2 buffering entrance 3 is for the simple decontamination of personnel (passing through simple decontamination packet) and takes off pollution clothes (design dirt Contaminate clothing containing box)；It changes one's clothes having a size of 1.8 meters × 1.5 meters × 2 meters (height) first-level buffer entrances 4 for personnel and is washed with secondary Disappear；Having a size of 1.2 meters × 1.5 meters × 2 meters (height)；It is convenient to use that toilet 5 provides internal staff；Having a size of 1 meter × 1.5 meters × 2 meters (height).

Sewing patch can be used in the main protection body 1 of the airtight electromagnetic shield of the utility model, the moulding process of buffer channel 2 The mode of item is airtight molding mode, and sewing thread uses conductive sewing thread, including but not limited to following several: stainless steel fibre Or blended sewing thread, silver plated fiber or blended sewing thread, stainless steel fibre and the blended sewing thread of silver plated fiber etc..Strip of paper used for sealing is using this Body material excision forming, or using the electromagnetic shielding material excision forming for having heat-sealing forming ability, 4~7cm of width.

Utility model works principle: the airtight electromagnetic shield is in use, supported to shield by support construction Working condition, malicious device is filtered in the extraneous ventilation of waveguide window, filter, connection and various routes are started to work.Pass through gas filtration ventilation Device is given inside main protection body for pure air, and main protection body is made to reach internal positive pressure；Outside enters first opening level 2 buffering and goes out The door of entrance is closed the door after at once；The door for opening first-level buffer entrance again after the foundation of level 2 buffering mouth positive pressure, into The door is closed after entering at once；After the positive pressure of first-level buffer entrance is established, the door of main protection body is opened, is closed at once after The door.

The airtight electromagnetic shield can be extended connection by extension connector and extension interface channel, by similar equipment It is combined into cluster position.

The utility model does not address place and is suitable for the prior art.

Claims (10)

1. a kind of airtight electromagnetic shield, which is characterized in that the shield includes main protection body, buffer channel, and main protection body delays It rushes between channel and is separated by interlayer, main protection body access door is provided on interlayer；Buffer channel is provided with level 2 buffering discrepancy Mouth, first-level buffer entrance and toilet, level 2 buffering entrance, first-level buffer entrance and toilet are with access door The access door of separate space, level 2 buffering entrance is in communication with the outside, and access door and the level 2 buffering of first-level buffer entrance go out The separate space of entrance is connected to, and the access door of toilet and main protection body access door are independent empty with first-level buffer entrance Between be connected to, close each access door, each section space is not connected to each other；

The main protection body, buffer channel are using cavity made of gas defence electromagnetic radiation material, and main protection body inside uses Main protection body gas rib is support construction；Buffer channel is supported by buffer channel gas rib；

The main protection body includes extension connector, extension interface channel, wind-distributing pipe, air purification equipment, filter, main protection Body gas rib, wind resistance counterweight sandbag, wind resistance drawstring, observation window；Main protection body is internally provided with insulating layer, passes through hanging point and nylon stick Button is fixed on main protection body gas rib；The fixation of insulating layer top is hung with wind-distributing pipe, one end of wind-distributing pipe and air purification equipment Wave-guide intake is installed in connection, junction, and the side outside main protection body is arranged in air purification equipment；The two sides of main protection body It is provided with observation window, observation window uses transparency electromagnetic wave shield material；An extension is respectively arranged on the two sides of main protection body Connector, by extension connector one extension interface channel of installation be extended and connect with other protection bodies；Filter The inside of main protection body is set, and filter is connect with the in-line power of main protection body and communication by cable.

2. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that the observation window is four fans.

3. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that the nylon adherent buckle is 4cm wide.

4. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that the main protection body internal ground paving If interior ground cloth, interior ground cloth is fixed with main protection body earth material by thread gluing.

5. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that nonlocal cloth is laid with outside main protection body, Nonlocal cloth is fixed by bandage and zipper with main protection volume surrounding.

6. a kind of airtight electromagnetic shield according to claim 4, which is characterized in that interior ground cloth uses the poly- ammonia of fire-retardant single side Ester gum cloth, within grammes per square metre 500g/ ㎡.

7. a kind of airtight electromagnetic shield according to claim 5, which is characterized in that interior ground cloth uses the poly- ammonia of fire-retardant single side Ester gum cloth, within grammes per square metre 700g/ ㎡.

8. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that be provided with wind resistance on the outside of main protection body Counterweight sandbag and wind resistance rope.

9. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that the main protection body gas rib diameter is 30cm, material use fire-retardant two-sided polyurethane adhesive plaster, thickness 0.5mm.

10. a kind of airtight electromagnetic shield according to claim 1, which is characterized in that the main protection body, buffer channel Moulding process by the way of joint strip of sewing, sewing thread use conductive sewing thread；Strip of paper used for sealing uses bulk material excision forming, or Person is using the electromagnetic shielding material excision forming for having heat-sealing forming ability, 4~7cm of width.