CN114016882A - Electromagnetic shielding door of cabin and manufacturing and mounting method - Google Patents
Electromagnetic shielding door of cabin and manufacturing and mounting method Download PDFInfo
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- CN114016882A CN114016882A CN202111284216.1A CN202111284216A CN114016882A CN 114016882 A CN114016882 A CN 114016882A CN 202111284216 A CN202111284216 A CN 202111284216A CN 114016882 A CN114016882 A CN 114016882A
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- door
- electromagnetic shielding
- shaped
- cabin
- door frame
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a cabin electromagnetic shielding door, which comprises a door frame electromagnetic shielding assembly and a door electromagnetic shielding assembly, wherein the door frame electromagnetic shielding assembly is arranged on one side of an outer frame of a door frame, the door electromagnetic shielding assembly is arranged on one side of the cabin electromagnetic shielding door, and the door electromagnetic shielding assembly is arranged on one side of the cabin electromagnetic shielding door. When the electromagnetic shielding door of the cabin body is closed, the cutter body at the other end of the L-shaped door frame slotting tool is inserted between the convex surfaces of the comb-shaped finger springs in the door electromagnetic shielding cavity, and the cutter body at the other end of the L-shaped door slotting tool is inserted between the convex surfaces of the comb-shaped finger springs in the door electromagnetic shielding cavity. The manufacturing and mounting method of the electromagnetic shielding door of the cabin comprises the steps of 1) manufacturing the door frame and the electromagnetic shielding door of the cabin, 2) mounting the electromagnetic shielding cavity assembly of the door frame and the door, and 2) mounting the electromagnetic shielding door of the cabin on the door frame. The electromagnetic shielding effect of the electromagnetic shielding door of the cabin is obviously improved. The invention remarkably improves the electromagnetic shielding quality of the communication vehicle and improves the use reliability of the electromagnetic shielding door of the cabin.
Description
Technical Field
The invention relates to a movable communication station, in particular to an electromagnetic shielding door of a vehicle-mounted shelter or van vehicle with communication equipment and a manufacturing method thereof, belonging to the technical field of vehicles.
Background
The communication vehicle generally adopts the structural style of installing a van vehicle or loading a vehicle-mounted shelter on a special vehicle platform, and communication equipment arranged in the communication vehicle can be used for communication between a moving point and communication between the moving point and a fixed point. Electromagnetic leakage is easily caused between the door and the door frame of the van or the vehicle-mounted shelter, and the electromagnetic leakage is blocked by adopting an electromagnetic shielding door. The root of a finger spring of the existing cabin electromagnetic shielding door is easy to break, and the manufacturing process of the electromagnetic shielding door and the door frame is difficult to meet the requirement that the resistance of the cabin electromagnetic shielding door and the cabin is less than 2.5m omega, so that the electromagnetic shielding index of the communication vehicle cannot be obtained.
Disclosure of Invention
The invention aims to provide a cabin electromagnetic shielding door and a manufacturing and installing method thereof, which can improve the electromagnetic shielding effect of the cabin electromagnetic shielding door.
The invention is realized by the following technical scheme:
one side of the cabin electromagnetic shielding door is hinged with one side of an adjacent door frame through a plurality of hinges which are arranged at intervals up and down; the electromagnetic shielding door comprises a door frame electromagnetic shielding assembly and a door electromagnetic shielding assembly which are adjacent, wherein the door frame electromagnetic shielding cavity assembly is arranged on one side of an outer frame of a door frame and comprises a door frame electromagnetic shielding cavity and a comb-shaped finger spring slotting tool assembly; the door frame electromagnetic shielding cavity is in a groove shape with an opening facing the outside of the cabin body, and the door electromagnetic shielding cavity is in a groove shape with an opening facing the inside of the cabin body; the comb-shaped finger spring slotting tool component comprises a plurality of comb-shaped finger springs which are arranged up and down in pairs, and an L-shaped door frame slotting tool or an L-shaped door slotting tool, wherein convex surfaces of the comb-shaped finger springs which are arranged in pairs are oppositely arranged in a door frame electromagnetic shielding cavity and a door electromagnetic shielding cavity respectively, one end of the L-shaped door frame slotting tool is fixed on one side of an electromagnetic shielding door of the cabin body, and the other end of the L-shaped door frame slotting tool has a tool body facing the cabin body; one end of an L-shaped door slotting tool is fixed on a door frame adjacent to one side of the electromagnetic shielding door of the cabin body, and the cutter body at the other end of the L-shaped door slotting tool faces the outside of the cabin body; when the electromagnetic shielding door of the cabin body is closed, the cutter body at the other end of the L-shaped door frame slotting tool is inserted between the convex surfaces of the vertically arranged multiple pairs of comb-shaped finger springs in the door electromagnetic shielding cavity, and the cutter body at the other end of the L-shaped door slotting tool is inserted between the convex surfaces of the vertically arranged multiple pairs of comb-shaped finger springs in the door electromagnetic shielding cavity.
The object of the invention is further achieved by the following technical measures.
Furthermore, one end of an L-shaped door frame groove plate on one side of the door frame electromagnetic shielding cavity is fixed on one end of the rectangular cavity of the door frame facing the cabin body, and the L-shaped door frame groove plate and one side of the rectangular cavity form a door frame electromagnetic shielding cavity with an opening facing the outer side of the cabin body; one end of an L-shaped door groove plate at one side of the door electromagnetic shielding cavity is fixed on one side of the cabin electromagnetic shielding door facing the outside of the cabin, and the L-shaped door groove plate and a first enclosure frame at one side of the cabin electromagnetic shielding door form the door electromagnetic shielding cavity with an opening facing the inside of the cabin; the ends of the comb-shaped finger springs are respectively fixed on two sides of the opening end of the door frame electromagnetic shielding cavity and two sides of the opening end of the door electromagnetic shielding cavity.
Furthermore, one end of each comb-shaped finger spring arranged in pairs is L-shaped, the bottom of each L-shaped finger spring is respectively fixed on one corner of the first enclosure frame of the electromagnetic shielding door of the cabin body, which faces the cabin body, and one end of the rectangular cavity outside the outer frame of the door frame, which faces away from the cabin body; one end of the other comb-shaped finger spring arranged in pair is U-shaped, and the U-shaped finger springs are respectively coated and fixed at one end of the L-shaped doorframe channel plate and one end of the L-shaped doorframe channel plate.
Furthermore, one side of the D-shaped sealing strip is fixed in a sealing strip groove through a fixing clamp, and the sealing strip groove is formed by a second enclosure frame of the cabin electromagnetic shielding door and a cutter body at the other end of the adjacent L-shaped door frame slotting cutter; when the electromagnetic shielding door of the cabin body is closed, the other side of the D-shaped sealing strip is abutted against the lining plate, and the fastening screws sequentially penetrate through the lining plate and the L-shaped end of the comb-shaped finger spring and are screwed into the rectangular cavity.
Furthermore, the material of comb-shaped finger spring is bronze.
A manufacturing and installing method of an electromagnetic shielding door of a cabin comprises the following steps:
A) making of door frame
A1) Manufacturing an outer frame and an inner frame, leveling a plate according to the size requirements of the outer frame, the inner frame and an L-shaped doorframe slotting tool, blanking the plate respectively through a numerical control plate shearing machine, and bending and forming the plate through a numerical control bending machine; wherein, the cutter body at the other end of the L-shaped doorframe slotting tool is planed into a cutter edge by a gantry and then bent and formed; assembling the outer frame, the inner frame and the L-shaped door frame slotting tool on a special mould, performing spot welding, performing hole plugging welding to form a door frame, polishing burrs by using a grinder, and performing copper plating treatment;
A2) installing a door frame electromagnetic shielding cavity assembly, cleaning oil stains and sundries in the door frame electromagnetic shielding cavity by using acetone until a copper plating layer of a door frame is exposed, respectively fixing L-shaped ends of comb-shaped finger springs which are arranged up and down on one end of a rectangular cavity body, which is far away from the cabin body, after coating a conductive liquid, respectively, and respectively fixing U-shaped ends of the comb-shaped finger springs on one end of a L-shaped door frame groove plate;
B) manufacturing method of electromagnetic shielding door of cabin
B1) According to the size requirements of the first enclosing frame, the second enclosing frame, the outer wrapping plate, the L-shaped door slotting tool and the inner wrapping plate, the plate is leveled, then is respectively blanked through a numerical control plate shearing machine, and then is bent and formed through a numerical control bending machine; wherein, one end of the L-shaped door slotting tool is planed into a tool edge by the gantry and then bent and formed; then, the first surrounding frame, the second surrounding frame and the outer wrapping plate are assembled on a special mould and then are formed by spot welding, and then the first surrounding frame, the second surrounding frame and the outer wrapping plate are formed by hole plugging welding and assembly welding, and then copper plating is carried out after burrs are ground by a grinding machine; filling the polyurethane foaming material in the electromagnetic shielding door of the cabin body on an assembly site, leveling the polyurethane foaming material overflowing out of the electromagnetic shielding door of the cabin body, and then installing an inner wrapping plate;
B2) and (3) installing a door electromagnetic shielding cavity assembly, and cleaning oil stains and sundries in the door electromagnetic shielding cavity by using acetone until the copper plating layer is exposed. After the conductive liquid is coated, the L-shaped ends of the comb-shaped finger springs which are arranged up and down are respectively fixed on one corner of the electromagnetic shielding door 1 of the cabin body facing the cabin body, and the U-shaped ends of the comb-shaped finger springs are respectively fixed on one end of the L-shaped door groove plate;
C) the electromagnetic shielding door of the cabin body is arranged on the door frame
C1) The door frame is arranged on the wall of the cabin body, the door frame is arranged in a door hole of the wall of the cabin body, the upper, lower, left and right gaps are adjusted to be uniform, and a rivet hole is matched and punched on the square steel pipe in the wall of the cabin body according to the door frame hole; removing paint, sundries and an oxide layer on the square steel tube, polishing the square steel tube to be bright by 0# abrasive cloth or 180# abrasive paper, cleaning the contact part of the square steel tube and the door frame by acetone and coating conductive liquid to ensure that the door frame is attached to the square steel tube smoothly, padding a directional metal wire mesh between the door frame and the cabin body, and riveting the door frame, the cabin body and a Z-shaped surrounding frame at the inner corner part of the door frame into a whole by a plurality of rivets by a hand riveter;
C2) installing a D-shaped sealing strip, fixing one side of the D-shaped sealing strip in a fixing clamp, fixing one side of the fixing clamp in a sealing strip groove, and coating epoxy conductive adhesive and sealant in the sealing strip groove; when the electromagnetic shielding door of the cabin body is closed, the other side of the D-shaped sealing strip is abutted against the lining plate;
C3) the cabin electromagnetic shielding door is installed on the door frame, the cabin electromagnetic shielding door is embedded into the door frame, the gaps between the cabin electromagnetic shielding door and the door frame are adjusted to be uniform during installation, and whether the paired comb-shaped finger springs clamp an L-shaped door slotting tool or an L-shaped door frame slotting tool or not is considered after the cabin electromagnetic shielding door is closed; finally, hinges are installed, one ends of a plurality of hinges which are arranged at intervals up and down are respectively fixed on one side of the electromagnetic shielding door of the cabin body through fasteners, and the other ends of the plurality of hinges respectively extend into hinge boxes which are adjacent to and correspond to the door frame and are hinged with the hinge boxes through hinge pins; the hinge boxes which are arranged at intervals are embedded and fixed in the bulkhead plate outwards from the openings and are close to the door frame; the hinge box and the hinge are connected by a metal braided strap.
Further, after the cabin electromagnetic shielding door is closed, the resistance between the cabin electromagnetic shielding door and the cabin is less than 2.5m omega.
The door frame electromagnetic shielding assembly and the door electromagnetic shielding assembly of the electromagnetic shielding door of the cabin body adopt a structure that the L-shaped door frame slotting tool or the L-shaped door slotting tool is respectively inserted into the corresponding comb-shaped finger springs, so that the electromagnetic shielding effect of the electromagnetic shielding door of the cabin body is obviously improved. The manufacturing and mounting methods of the door frame and the cabin electromagnetic shielding door are simple and convenient, the cabin electromagnetic shielding door can be opened and closed freely, and the L-shaped door frame slotting tool or the L-shaped door slotting tool and the corresponding comb-shaped finger spring can be switched on and off flexibly and conveniently, so that the resistance of the closed cabin electromagnetic shielding door and the closed cabin is less than 2.5m omega, the electromagnetic shielding quality of a communication vehicle is obviously improved, and the use reliability of the cabin electromagnetic shielding door is improved.
Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of the present invention in a closed state.
Detailed Description
The invention is further illustrated by the following figures and examples.
In the description of the present invention, terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", "inner", "outer", etc., are based on orientation or positional relationship shown in the drawings, and do not indicate or imply that the device referred to must have a specific orientation.
As shown in fig. 1, the right side of the electromagnetic shielding door 1 of the cabin of the present invention is hinged to the left side of the adjacent door frame 2 through a plurality of hinges 10 arranged at intervals up and down. Cabin body electromagnetic shield door 1 includes both adjacent door electromagnetic shield subassembly 3 and door frame electromagnetic shield subassembly 4, and door frame electromagnetic shield chamber subassembly 4 sets up on the frame 21 left side of door frame 2, including door frame electromagnetic shield chamber 41 and comb shape finger spring slotting tool subassembly 32, and door electromagnetic shield subassembly 3 sets up on the right side of cabin body electromagnetic shield door 1, including door electromagnetic shield chamber 41 and comb shape finger spring slotting tool subassembly 32. The door frame electromagnetic shield chamber 41 has a groove shape with an opening facing the outside of the cabin 20, and the door electromagnetic shield chamber 41 has a groove shape with an opening facing the inside of the cabin 20. The comb finger spring slotting tool assembly 32 comprises a plurality of comb finger springs 321 and an L-shaped door frame slotting tool 322 or an L-shaped door slotting tool 323, the comb finger springs 321 arranged in pairs are arranged up and down, convex surfaces of the comb finger springs 321 arranged in pairs are oppositely arranged in the door frame electromagnetic shielding cavity 41 and the door electromagnetic shielding cavity 31 respectively, the left end of the L-shaped door frame slotting tool 322 is welded and fixed on the right side of the cabin electromagnetic shielding door 1, and a tool body at the other end of the L-shaped door frame slotting tool 322 faces the cabin body 20. The right end hi of the L-shaped door slotting tool 323 is fixed on the door frame 2 adjacent to the right side of the cabin electromagnetic shielding door 1, and the cutter body at the left end of the L-shaped door slotting tool 323 faces the outside of the cabin 20. When the cabin electromagnetic shielding door 1 is closed, the left end cutter body of the L-shaped door frame slotting tool 311 is inserted between the convex surfaces of the vertically arranged pairs of comb-shaped finger springs 321 in the door electromagnetic shielding cavity 31, and the left end cutter body of the L-shaped door slotting tool 323 is inserted between the convex surfaces of the vertically arranged pairs of comb-shaped finger springs 321 in the door electromagnetic shielding cavity 41. By utilizing the elastic force of the comb-shaped finger springs 321 made of bronze, the paired comb-shaped finger springs 321 are kept in good contact with the L-shaped doorframe slotting tool 322 or the L-shaped door slotting tool 323, and the electromagnetic shielding effect of the cabin electromagnetic shielding door 1 is remarkably improved. So that the resistance of the closed cabin electromagnetic shielding door 1 and the closed cabin 20 is less than 2.5m omega.
The L-shaped door frame slot plate 411 on the left side of the door frame electromagnetic shielding cavity 41 is welded and fixed on one end of the rectangular cavity 22 facing the inside of the cabin 20, and the L-shaped door frame slot plate 411 and the left side of the rectangular cavity 22 form the door frame electromagnetic shielding cavity 41 with an opening facing the outside of the cabin 20. The left end of the L-shaped door groove plate 311 on the right side of the door electromagnetic shielding cavity 31 is fixed on the side of the cabin electromagnetic shielding door 1 facing the outside of the cabin 20, and the L-shaped door groove plate 311 and the first enclosure frame 11 on the right side of the cabin electromagnetic shielding door 1 form a door frame electromagnetic shielding cavity 41 with an opening facing the inside of the cabin 20. The ends of the plural pairs of comb-shaped finger springs 321 arranged up and down are fixed on both sides of the opening end of the door frame electromagnetic shielding cavity 41 and both sides of the opening end of the door electromagnetic shielding cavity 31, respectively.
One end of one comb-shaped finger spring 321 arranged in pairs is L-shaped, the bottom of the L-shape is fixed on one corner of the first enclosure frame 11 of the cabin electromagnetic shielding door 1 facing the cabin 20, and the rectangular cavity 22 of the door frame 2 is away from one end of the cabin 20. One end of the other comb finger spring 321 arranged in pair is U-shaped, and the U-shape is respectively covered and fixed on one end of the L-shaped doorframe channel plate 411 and one end of the L-shaped doorframe channel plate 311. Due to the structure, the connection between the bottom of the comb-shaped finger spring 321 and the cabin electromagnetic shielding door 1 or the door frame 2 is firmer, the comb-shaped finger spring 321 is not easy to break or fall off, and the reliability of the invention is improved.
One side of the D-shaped sealing strip 5 is fixed in a sealing strip groove 50 through a fixing clamp 51, and the sealing strip groove 50 is composed of a second surrounding frame 12 of the cabin electromagnetic shielding door 1 and a cutter body at the other end of an adjacent L-shaped door frame slotting cutter 322. When the cabin electromagnetic shielding door 1 is closed, the other side of the D-shaped sealing strip 5 is abutted against the lining plate 221, and the fastening screw 222 sequentially penetrates through the lining plate 221 and the L-shaped end of the comb-shaped finger spring 321 and is screwed into the rectangular cavity 22. A fixing clamp 51 made of metal materials is arranged outside a cavity in the D-shaped sealing strip 5 for supporting, so that the D-shaped sealing strip is not easy to damage and can generate large deformation after being used for a long time, and the sealing effect of the cabin electromagnetic shielding door 1 and the door frame 2 is improved.
A method for installing an electromagnetic shielding door 1 of a cabin comprises the following steps:
A) production of door frame 2
A1) Manufacturing an outer frame 21 and an inner frame 23, leveling a plate according to the size requirements of the outer frame 21, the inner frame 23 and the L-shaped doorframe slotting tool 324, then blanking the plate respectively through a numerical control plate shearing machine, and then bending and forming the plate through a numerical control bending machine. Wherein, the right cutter body of the L-shaped doorframe slotting tool 322 is planed into a cutting edge by a gantry and then bent and formed. Then the outer frame 21, the inner frame 23 and the L-shaped door frame slotting tool 322 are assembled on a special mould and then spot-welded to form the door frame 2, and then the door frame 2 is welded by hole plugging welding, and then copper plating is carried out after burr grinding by a grinding machine.
A2) Installing the door frame electromagnetic shielding cavity assembly 4, cleaning oil stains and sundries in the door frame electromagnetic shielding cavity 41 by using acetone until a copper plating layer of the door frame 2 is exposed, respectively fixing the L-shaped ends of the comb-shaped finger springs 321 which are arranged up and down on one end of the rectangular cavity 22 which is deviated from the cabin body 20 after coating the conductive liquid, and respectively fixing the U-shaped ends of the comb-shaped finger springs 321 on one end of the L-shaped door frame groove plate 411.
B) Manufacturing of electromagnetic shielding door 1 of cabin
B1) According to the size requirements of the first surrounding frame 11, the second surrounding frame 12, the outer wrapping plate 13, the L-shaped door slotting tool 323 and the inner wrapping plate 14, the plate is leveled firstly, then is respectively blanked through a numerical control plate shearing machine, and then is bent and formed through a numerical control bending machine; wherein, one end of the L-shaped door slotting tool 323 is planed into a knife edge by the gantry and then bent and formed. Then, the first surrounding frame 11, the second surrounding frame 12 and the outer wrapping plate 13 are assembled on a special mould and then formed by spot welding, and then formed by hole plugging welding and assembly welding, and then the burrs are ground by a grinder and then copper plating is carried out. On the assembly site, firstly, the polyurethane foaming material is filled in the cabin electromagnetic shielding door 1, and then the polyurethane foaming material overflowing out of the cabin electromagnetic shielding door 1 is shoveled and then the inner wrapping plate 14 is installed.
B2) And installing the door electromagnetic shielding cavity assembly 3, and cleaning oil stains and sundries in the door electromagnetic shielding cavity 31 by using acetone until the copper plating layer is exposed. After the conductive liquid is coated, the L-shaped ends of the comb-shaped finger springs 321 arranged up and down are respectively fixed on one corner of the electromagnetic shielding door 1 of the cabin body facing the inside of the cabin body 20, and the U-shaped ends of the comb-shaped finger springs 321 are respectively fixed on one end of the L-shaped door slot plate 311.
C) The cabin electromagnetic shielding door 1 is arranged on the door frame 2
C1) The door frame 2 is installed on the cabin body wall 201, the door frame 2 is installed in a door hole of the cabin body wall 201, the upper, lower, left and right gaps are adjusted to be uniform, and a rivet hole is matched on the square steel pipe 202 in the cabin body wall 201 according to the door frame hole. Removing paint, sundries and an oxide layer on the square steel tube 202, polishing the square steel tube 202 to be bright by 0# abrasive cloth or 180# abrasive paper, cleaning the contact part of the square steel tube 202 and the doorframe 2 by acetone and coating conductive liquid to ensure that the doorframe 2 is attached to the square steel tube 202 smoothly, firstly padding a directional metal wire mesh 203 between the doorframe 2 and the cabin body 20, and then riveting the doorframe 2, the cabin body wall 201 and a Z-shaped surrounding frame 204 at the inner corner part of the doorframe 1 into a whole by a plurality of rivets 6 by a rivet gun.
C2) Installing the D-shaped sealing strip 5, fixing one side of the D-shaped sealing strip 5 in a fixing clamp 51, fixing one side of the fixing clamp 51 in a sealing strip groove 50, and coating epoxy conductive adhesive and sealant in the sealing strip groove 50. When the cabin electromagnetic shielding door 1 is closed, the other side of the D-shaped sealing strip 5 is abutted against the lining plate 221.
C3) The cabin electromagnetic shielding door 1 is installed on the door frame 2, the cabin electromagnetic shielding door 1 is embedded into the door frame 2, the gaps between the cabin electromagnetic shielding door 1 and the door frame 2 are adjusted to be uniform during installation, and whether the paired comb-shaped finger springs 321 clamp the L-shaped door slotting tool 323 or the L-shaped door frame slotting tool 322 after the cabin electromagnetic shielding door 1 is closed is considered. And finally, installing hinges 10, wherein one ends of a plurality of hinges 10 which are arranged at intervals up and down are respectively fixed on one side of the electromagnetic shielding door 1 of the cabin body through fasteners 101, and the other ends of the plurality of hinges 10 respectively extend into hinge boxes 102 which are adjacent to and correspond to the door frame 2 and are hinged with the hinge boxes 102 through hinge pins 103. The hinge boxes 102 spaced above each other are fixed by being inserted with their openings facing outward in the bulkhead plate 201, respectively, and are located close to the door frame 2.
In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations are within the scope of the present invention.
Claims (7)
1. One side of the cabin electromagnetic shielding door is hinged with one side of an adjacent door frame through a plurality of hinges which are arranged at intervals up and down; the electromagnetic shielding door is characterized by comprising a door frame electromagnetic shielding assembly and a door electromagnetic shielding assembly which are adjacent, wherein the door frame electromagnetic shielding assembly is arranged on one side of an outer frame of a door frame and comprises a door frame electromagnetic shielding cavity and a comb-shaped finger spring slotting tool assembly; the door frame electromagnetic shielding cavity is in a groove shape with an opening facing the outside of the cabin body, and the door electromagnetic shielding cavity is in a groove shape with an opening facing the inside of the cabin body; the comb-shaped finger spring slotting tool component comprises a plurality of comb-shaped finger springs which are arranged up and down in pairs, and an L-shaped door frame slotting tool or an L-shaped door slotting tool, wherein convex surfaces of the comb-shaped finger springs which are arranged in pairs are oppositely arranged in a door frame electromagnetic shielding cavity and a door electromagnetic shielding cavity respectively, one end of the L-shaped door frame slotting tool is fixed on one side of an electromagnetic shielding door of the cabin body, and the other end of the L-shaped door frame slotting tool has a tool body facing the cabin body; one end of an L-shaped door slotting tool is fixed on a door frame adjacent to one side of the electromagnetic shielding door of the cabin body, and the cutter body at the other end of the L-shaped door slotting tool faces the outside of the cabin body; when the electromagnetic shielding door of the cabin body is closed, the cutter body at the other end of the L-shaped door frame slotting tool is inserted between the convex surfaces of the vertically arranged multiple pairs of comb-shaped finger springs in the door electromagnetic shielding cavity, and the cutter body at the other end of the L-shaped door slotting tool is inserted between the convex surfaces of the vertically arranged multiple pairs of comb-shaped finger springs in the door electromagnetic shielding cavity.
2. The electromagnetic shielded enclosure door of claim 1 further comprising: one end of an L-shaped door frame groove plate at one side of the door frame electromagnetic shielding cavity is fixed at one end of the rectangular cavity of the door frame facing the cabin body, and the L-shaped door frame groove plate and one side of the rectangular cavity form a door frame electromagnetic shielding cavity with an opening facing the outer side of the cabin body; one end of an L-shaped door groove plate at one side of the door electromagnetic shielding cavity is fixed on one side of the cabin electromagnetic shielding door facing the outside of the cabin, and the L-shaped door groove plate and a first enclosure frame at one side of the cabin electromagnetic shielding door form the door electromagnetic shielding cavity with an opening facing the inside of the cabin; the ends of the comb-shaped finger springs are respectively fixed on two sides of the opening end of the door frame electromagnetic shielding cavity and two sides of the opening end of the door electromagnetic shielding cavity.
3. The electromagnetic shielded enclosure door of claim 2 further comprising: one end of each comb-shaped finger spring arranged in pair is L-shaped, the bottom of each L-shaped finger spring is respectively fixed on one corner of a first enclosure frame of the electromagnetic shielding door of the cabin body, which faces the cabin body, and one end of a rectangular cavity outside the outer frame of the door frame, which faces away from the cabin body; one end of the other comb-shaped finger spring arranged in pair is U-shaped, and the U-shaped finger springs are respectively coated and fixed at one end of the L-shaped doorframe channel plate and one end of the L-shaped doorframe channel plate.
4. The deck electromagnetic shield door of claim 3, wherein: one side of the D-shaped sealing strip is fixed in a sealing strip groove through a fixing clamp, and the sealing strip groove is formed by a second enclosure frame of the cabin electromagnetic shielding door and a cutter body at the other end of the adjacent L-shaped door frame slotting tool; when the electromagnetic shielding door of the cabin body is closed, the other side of the D-shaped sealing strip is abutted against the lining plate, and the fastening screws sequentially penetrate through the lining plate and the L-shaped end of the comb-shaped finger spring and are screwed into the rectangular cavity.
5. The electromagnetic shielded enclosure door of claim 1 further comprising: the comb-shaped finger spring is made of bronze.
6. A method of manufacturing and installing the electromagnetic shield door of the cabin of claim 1, wherein: the method comprises the following steps:
A) making of door frame
A1) Manufacturing an outer frame and an inner frame, leveling a plate according to the size requirements of the outer frame, the inner frame and an L-shaped doorframe slotting tool, blanking the plate respectively through a numerical control plate shearing machine, and bending and forming the plate through a numerical control bending machine; wherein, the cutter body at the other end of the L-shaped doorframe slotting tool is planed into a cutter edge by a gantry and then bent and formed; assembling the outer frame, the inner frame and the L-shaped door frame slotting tool on a special mould, performing spot welding, performing hole plugging welding to form a door frame, polishing burrs by using a grinder, and performing copper plating treatment;
A2) installing a door frame electromagnetic shielding cavity assembly, cleaning oil stains and sundries in the door frame electromagnetic shielding cavity by using acetone until a copper plating layer of a door frame is exposed, respectively fixing L-shaped ends of comb-shaped finger springs which are arranged up and down on one end of a rectangular cavity body, which is far away from the cabin body, after coating a conductive liquid, respectively, and respectively fixing U-shaped ends of the comb-shaped finger springs on one end of a L-shaped door frame groove plate;
B) manufacturing method of electromagnetic shielding door of cabin
B1) According to the size requirements of the first enclosing frame, the second enclosing frame, the outer wrapping plate, the L-shaped door slotting tool and the inner wrapping plate, the plate is leveled, then is respectively blanked through a numerical control plate shearing machine, and then is bent and formed through a numerical control bending machine; wherein, one end of the L-shaped door slotting tool is planed into a tool edge by the gantry and then bent and formed; then, the first surrounding frame, the second surrounding frame and the outer wrapping plate are assembled on a special mould and then are formed by spot welding, and then the first surrounding frame, the second surrounding frame and the outer wrapping plate are formed by hole plugging welding and assembly welding, and then copper plating is carried out after burrs are ground by a grinding machine; filling the polyurethane foaming material in the electromagnetic shielding door of the cabin body on an assembly site, leveling the polyurethane foaming material overflowing out of the electromagnetic shielding door of the cabin body, and then installing an inner wrapping plate;
B2) installing a door electromagnetic shielding cavity assembly, and cleaning oil stains and sundries in the door electromagnetic shielding cavity by using acetone until the copper plating layer is exposed; after the conductive liquid is coated, respectively fixing L-shaped ends of the comb-shaped finger springs which are arranged up and down on one corner of the electromagnetic shielding door of the cabin body facing the cabin body, and respectively fixing U-shaped ends of the comb-shaped finger springs on one end of a L-shaped door groove plate;
C) the electromagnetic shielding door of the cabin body is arranged on the door frame
C1) The door frame is arranged on the wall of the cabin body, the door frame is arranged in a door hole of the wall of the cabin body, the upper, lower, left and right gaps are adjusted to be uniform, and a rivet hole is matched and drilled on the square steel pipe in the wall of the cabin body according to the door frame hole; removing paint, sundries and an oxide layer on the square steel tube, polishing the square steel tube to be bright by 0# abrasive cloth or 180# abrasive paper, cleaning the contact part of the square steel tube and the door frame by acetone and coating conductive liquid to ensure that the door frame is attached to the square steel tube smoothly, padding a directional metal wire mesh between the door frame and the cabin body, and riveting the door frame, the cabin body wall and the Z-shaped surrounding frame at the inner corner part of the door frame into a whole by a plurality of rivets by a hand riveter;
C2) installing a dense D-shaped sealing strip, fixing one side of the D-shaped sealing strip in a fixing clamp, fixing one side of the fixing clamp in a sealing strip groove, and coating epoxy conductive adhesive and sealant in the sealing strip groove; when the electromagnetic shielding door of the cabin body is closed, the other side of the D-shaped sealing strip is abutted against the lining plate;
C3) the cabin electromagnetic shielding door is installed on the door frame, the cabin electromagnetic shielding door is embedded into the door frame, the upper gap, the lower gap, the left gap and the right gap are adjusted to be uniform during installation, and whether the paired comb-shaped finger springs clamp an L-shaped door slotting tool or an L-shaped door frame slotting tool after the cabin electromagnetic shielding door is closed is considered; finally, hinges are installed, one ends of a plurality of hinges which are arranged at intervals up and down are respectively fixed on one side of the electromagnetic shielding door of the cabin body through fasteners, and the other ends of the plurality of hinges respectively extend into hinge boxes which are adjacent to and correspond to the door frame and are hinged with the hinge boxes through hinge pins; the hinge boxes arranged at intervals are embedded and fixed in the bulkhead plates outwards from the openings and are close to the door frame.
7. The method for manufacturing and installing an electromagnetic shielding door of a cabin according to claim 6, wherein: after the cabin electromagnetic shielding door is closed, the resistance between the cabin electromagnetic shielding door and the cabin is less than 2.5m omega.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111284216.1A CN114016882A (en) | 2021-11-01 | 2021-11-01 | Electromagnetic shielding door of cabin and manufacturing and mounting method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592018A (en) * | 2008-05-29 | 2009-12-02 | 安方高科信息安全技术(北京)有限公司 | The electromagnetic armouring structure of door |
| CN201377276Y (en) * | 2009-03-02 | 2010-01-06 | 江苏捷诚车载电子信息工程有限公司 | Electromagnetic shield door |
| KR101705821B1 (en) * | 2016-09-21 | 2017-02-22 | 주식회사 토탈실드솔루션 | Electromagnetic wave shield enclosure of MRI room with sound proof door |
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2021
- 2021-11-01 CN CN202111284216.1A patent/CN114016882A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592018A (en) * | 2008-05-29 | 2009-12-02 | 安方高科信息安全技术(北京)有限公司 | The electromagnetic armouring structure of door |
| CN201377276Y (en) * | 2009-03-02 | 2010-01-06 | 江苏捷诚车载电子信息工程有限公司 | Electromagnetic shield door |
| KR101705821B1 (en) * | 2016-09-21 | 2017-02-22 | 주식회사 토탈실드솔루션 | Electromagnetic wave shield enclosure of MRI room with sound proof door |
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