CN114809888B - Plasma electromagnetic shielding door - Google Patents
Plasma electromagnetic shielding door Download PDFInfo
- Publication number
- CN114809888B CN114809888B CN202210360011.5A CN202210360011A CN114809888B CN 114809888 B CN114809888 B CN 114809888B CN 202210360011 A CN202210360011 A CN 202210360011A CN 114809888 B CN114809888 B CN 114809888B
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- frame
- door
- door leaf
- electrode
- slotting tool
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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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- 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
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The application belongs to the technical field of shielding doors, and particularly relates to a plasma electromagnetic shielding door, which comprises a door frame and a door leaf, wherein the door leaf is movably connected with the door frame through a hinge, a slotting tool frame is arranged on the door leaf, a groove frame is arranged on the door frame, an insulating soft cover is arranged on the door leaf, the tip of the slotting tool frame penetrates through the insulating soft cover to be exposed to the outer side of the door leaf, after the door leaf is closed, the insulating soft cover is attached to an opening of the groove frame to enable the inside of the groove frame to form a sealed shielding space, the slotting tool frame is inserted into the groove frame, the center of the rear part of the inside of the groove frame is provided with a tool frame, the tip of the tool frame is opposite to the tip of the slotting tool frame, inert gas is filled in the shielding space, an electrode A is connected to the groove frame and/or the door frame, an electrode B is connected to the slotting tool frame and/or the door leaf, glow discharge breakdown inert gas occurs in the shielding space after the electrode A electrode and the electrode B electrode is electrified to generate plasma shielding electromagnetic wave, the door leaf has small opening and strong shielding performance, and high comfort and safety in use.
Description
Technical Field
The application belongs to the technical field of shielding doors, and particularly relates to a plasma electromagnetic shielding door.
Background
The shielding door is an important component device which is indispensable to darkrooms, shielding rooms and other shielding engineering, and the shielding performance of the shielding door directly influences the shielding performance of the whole shielding engineering, thereby influencing the electromagnetic wave performance test of products.
The electromagnetic shielding door shielding structure is a knife spring pair consisting of a mechanical knife inserting frame and a spring piece groove, and the principle is that: the knife spring pair has good contact conductivity, a space reflection surface and a complex intersection angle are large, electromagnetic waves are radiated into the knife spring pair and turn back for a plurality of times, so that eddy currents are generated, the energy of the electromagnetic waves is consumed in a large quantity, and the shielding performance of the shielding structure is remarkable, so that the electromagnetic wave shielding structure is used up to date. The knife spring pair formed by the knife inserting frame and the spring piece groove (the spring pieces are symmetrically arranged on the two sides of the groove), because the mutual friction force between the knife inserting frame and the spring piece is huge, the manual opening and closing of the shielding door needs great force, various force reducing mechanisms and electric mechanisms are generated for opening and closing the door due to the design, and the manual force is omitted, but the mechanism is complex, power consumption is high, the environment is affected, the safety of opening and closing the door even if power fails is ensured, and the manual opening and closing mechanism cannot be removed and must be reserved. Thereby greatly increasing the cost of the shield door.
In addition, the knife spring pair does not need to cause the rust adhesion of the knife inserting frame and the spring piece for a long time, so that the shielding door needs to be opened by violence, the static friction force between the knife inserting frame and the spring piece needs to be overcome when the shielding door is opened, the contact line around the door gap is long, the static friction force is large, the manual opening force is large, the opening is inconvenient, meanwhile, the spring piece is easy to damage due to the existence of the friction force when the shielding door is opened, the service life of the spring piece is shortened, and the use safety and comfort of a user are seriously influenced.
Disclosure of Invention
The application aims to solve the technical problems of providing a plasma electromagnetic shielding door, which has small opening and closing force of a door leaf, meets the use requirement on the electromagnetic wave shielding performance, and has strong use comfort and safety.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a plasma electromagnetic shield door, includes door frame, door leaf, and the door leaf passes through hinge and door frame swing joint, is equipped with the slotting tool frame on the door leaf, be equipped with the slot frame on the door frame, be equipped with insulating soft cover on the door leaf, the most advanced insulating soft cover that pierces through of slotting tool frame exposes to its outside, and after the door leaf is closed, insulating soft cover laminating forms a inclosed shielding space in the slot frame in the messenger's slot frame opening part, the slotting tool frame inserts in the slot frame, rear portion center department is equipped with the slotting tool frame in the slot frame, and the slotting tool frame is pointed end is relative with the slotting tool frame, and the slotting tool frame does not contact with the slot frame, be filled with inert gas in the shielding space, be connected with the A electrode on slot frame and/or the door leaf, the B electrode is connected with on the slotting tool frame, take place glow discharge in shielding space after the circular telegram and break down inert gas and produce plasma shielding electromagnetic wave, slotting tool frame are in same straight line, door leaf, slotting tool is mutual insulation.
Further, the door frame is connected with the hinge fixed part, the door leaf is connected with the hinge movable part, an insulating plate is arranged between the hinge movable part and the door leaf, a connecting piece penetrating through the door leaf and extending to the hinge movable part is arranged on the slotting tool frame, an insulating sleeve insulated with the door leaf is sleeved on the connecting piece, the connecting piece forms the electrode A, and an insulating rear plate insulated with the groove frame is arranged on the rear wall of the door leaf.
Further, the connecting piece is a connecting bolt, the inner end of the connecting bolt is welded and fixed on the slotting tool frame, the insulating sleeve is sleeved outside the connecting bolt, a locking nut is arranged at the outer end of the connecting bolt, and an auxiliary insulating plate is arranged between the locking nut and the hinge movable part.
Further, the insulating soft cover is fixed in the embedded groove arranged on the door leaf, the insulating soft cover comprises an outer soft cover and a core block arranged inside the outer soft cover, an inner cavity for accommodating the core block is formed in the outer soft cover, a first metal layer is arranged on the wall of the inner cavity, a second metal layer is arranged on the outer surface of the core block, a plurality of uniformly distributed supporting blocks are arranged outside the core block, the inner ends and the outer ends of the supporting blocks are correspondingly connected to the second metal layer and the first metal layer, a cavity is formed between the first metal layer and the second metal layer, and the cavity is communicated with a shielding space through a conducting tube.
Further, an air inlet and an air outlet are arranged on the groove frame, and the air inlet is connected with external air supply equipment.
Further, an insulation auxiliary plate is arranged between the door leaf and the slotting tool frame.
Further, the groove frame is arranged at the inner wall of the door frame, and is provided with a connecting part extending to the rear side of the door frame, and the connecting part is connected with the door frame in a welding way.
Further, the electrode A is connected with an anode end of an external power supply, the electrode B is connected with a cathode end of the external power supply, and the electrode B is connected to a door frame.
Further, the insulating sleeve and the insulating plate are of an integrated structure.
The beneficial effects of the application are as follows: the clearance between the slotting tool frame and the slot frame eliminates static friction in the opening direction, obviously reduces the door leaf opening force, saves labor and is comfortable, provides good design conditions (a small-power and small-size driver can be used for greatly compressing the total volume of the full-automatic electromagnetic shielding door) for the full-automatic electromagnetic shielding door, forms a shielding space at the slot frame, generates plasma when being electrified in the shielding space, has stronger shielding performance on electromagnetic waves, can meet the use requirement, obviously reduces the cost compared with the prior art, and ensures the safety, high efficiency and comfort in use of the shielding door.
Drawings
The foregoing and other objects, features, and advantages of the application will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present application.
Fig. 2 is a schematic partial cross-sectional view of the mating portion of the knife housing and the door leaf in embodiment 1 of the present application.
Fig. 3 is a schematic cross-sectional view of the connecting bolt in embodiment 1 of the present application.
Fig. 4 is a schematic cross-sectional view of an insulation soft cover in embodiment 2 of the present application.
Fig. 5 is a schematic partial sectional view of an insulation soft cover in embodiment 3 of the present application.
Fig. 6 is a schematic partial cross-sectional view of the cavity in embodiment 3 of the present application.
Wherein: 1. a door frame; 11. an electrode A; 2. a door leaf; 21. a knife inserting frame; 22. an embedding groove; 221. an air inlet; 222. an air outlet; 3. a hinge fixing part; 31. a hinge movable portion; 4. a slot frame 41 and a connecting part; 42. a knife frame; 5. an insulating soft cover; 51. a cavity; 52. an outer soft cover; 53. a core block; 54. a first metal layer; 55. a second metal layer; 56. a support block; 6. the power supply, 7, the connecting bolt, 8 and the insulating plate; 81. An insulating sleeve; 82. an auxiliary insulating plate; 84. an insulating rear plate; 85. and an insulating sub-plate.
Detailed Description
The application is further described below with reference to the accompanying drawings.
Example 1: referring to fig. 1, a plasma electromagnetic shielding door comprises a door frame 1, a door leaf 2 and a power supply 6, wherein the door leaf 2 is movably connected with the door frame 1 through a hinge, the door leaf 2 is connected with a hinge movable part 31, the door frame 1 is connected with a hinge fixed part 3, a knife frame 21 is arranged on the door leaf 2 with the door leaf 2 side as the front side (the door leaf 2 is opened forwards), the door frame 1 side as the rear side (the door leaf 2 is closed backwards), a groove frame 4 is arranged on the inner side of the door frame 1, a knife frame 42 is arranged in the groove frame 4, a gap is arranged between the knife frame 42 and the inner wall of the groove frame 4, preferably, the knife frame 42 is arranged at the middle part of the groove frame 4, the knife frame 42 is fixed at the rear part of the groove frame 4, an insulating soft cover 5 is arranged on the door leaf 2 corresponding to the groove frame 4, the cross section of the embedded groove 22 is U-shaped, the insulating soft cover 5 is embedded in the embedded groove 22, the contact surface of the insulating soft cover 5 and the embedded groove 22 can be bonded by glue, the connecting strength is improved, the tip end of the knife frame 21 penetrates through the insulating soft cover 5 to the inner side of the embedded groove 22, the knife frame 21 is exposed out of the inner side of the groove 2, and the electrode is exposed out of the groove frame 4, and is exposed from the inner side of the groove frame 4, and the electrode is sealed to the inner side of the groove 4 is sealed, and the electrode is exposed in the inner side of the groove 4, and the electrode is sealed 4 is sealed, and the electrode is exposed, and the electrode is sealed, and is in the space is sealed, and the electrode is in the space is sealed 4, and is exposed, and is in the space, and the space is sealed, and the electrode is 4 is exposed, and the electrode is in the space is 4, and the space is exposed.
The use principle is as follows: after the door leaf 2 is closed, the groove frame 4 is sealed by the insulating soft cover 5 to form a shielding space, neon is filled in the shielding space, the power supply 6 is opened, glow discharge breakdown neon is generated between the cutter frame 42 and the insert cutter frame 21 in the shielding space to generate plasma, the plasma is dispersed in the shielding space, and the plasma interacts with electromagnetic waves, so that electromagnetic wave transmission is attenuated or reflected, an electromagnetic wave shielding effect is generated, the electromagnetic wave shielding can meet the use requirement, as the insert cutter frame 21 is not contacted with the groove frame 4, static friction does not exist, the door leaf 2 can be opened only by overcoming friction at a hinge, compared with the existing shielding door, the opening force of the door leaf 2 is greatly reduced, the opening force of the door leaf 2 is reduced to about 3 newtons, the door leaf 2 is convenient to be manually opened and closed, the pressure and energy consumption of an electric mechanism of the door leaf 2 of an electric switch are reduced, the structure is simplified compared with the prior art, the use cost is reduced, the shielding door is safe and efficient, the shielding door is more comfortable, a stable electromagnetic wave shielding layer is formed between the door leaf 2 and the groove frame 4, the shielding space has the effect of effectively blocking and attenuating the electromagnetic wave, and the electromagnetic wave shielding effect has the effect on the inner wall of the electromagnetic wave shielding door.
The embedded groove 22 has a groove depth smaller than the thickness of the insulation soft cover 5, so that the insulation soft cover 5 can protrude out of the embedded groove 22 to seal the groove frame 4, prevent dust and inert gas from leaking out, and ensure the tightness of the shielding space.
As a preferred embodiment, the distance between the notch of the embedded groove 22 and the groove frame 4 is not more than 1.5cm, and the electromagnetic wave is reflected by the groove wall of the embedded groove 22 and the front end wall surface of the groove frame 4 at the position of the insulating soft cover 5, so that the electromagnetic wave energy is consumed in the process, and the electromagnetic wave is attenuated, so that the electromagnetic wave is consumed and shielded at the position of the insulating soft cover 5.
Specifically, the groove frame 4 is arranged at the opposite inner side wall of the door frame 1, the rear side of the groove frame 4 is provided with a connecting part 41 extending to the rear side wall of the door frame 1, the connecting part 41 and the rear side of the door frame 1 are welded by electric arc welding, the electric arc welding can keep the tightness of the position, the outer side wall of the door frame 1 is connected with an A electrode 11, the A electrode 11 is connected with a cathode electrode of the power supply 6, and after the door frame 1 is fixed, the A electrode 11 is positioned in a wall, is convenient for wiring, and plays a better protection role.
Referring to fig. 3, the door leaf 2 is provided with the connecting bolt 7, the connecting bolt 7 penetrates through the door leaf 1 from back to front, so that the structure is simplified, the cost is reduced, the inner end of the connecting bolt 7 is welded on the slotting tool frame 21 in an arc welding full welding mode, the slotting tool frame 21 is fixed on the rear wall surface of the door leaf 2, the front end of the connecting bolt 7 penetrates through the hinge movable part 31, the hinge movable part 31 is connected with the door leaf 2 through the locking nut, meanwhile, the connecting bolt 7 forms an electrode A for electrifying the slotting tool frame 21, the connecting bolt 7 is connected with the positive electrode of the power supply 6 through a lead, no additional electrode is required to be arranged, the cost is reduced, meanwhile, the connecting bolt 7 has a connection relation with the slotting tool frame 21, the door leaf 2 and the hinge movable part 31, the connection strength is high, and the reliability of the opening and closing of the door leaf 2 is ensured.
Specifically, referring to fig. 2, in order to improve the safety of the door 2, an insulation sub-plate 85 is provided between the door 2 and the knife housing 21, to avoid electrification of the door 2, an insulation plate 8 is provided between the hinge movable portion 31 and the door 2, an insulation sleeve 81 is provided on the bolt body of the connection bolt 7, the insulation sleeve 81 and the insulation plate 8 may be in an integral structure, the insulation plate 8 and the insulation sleeve 81 may insulate the connection bolt 7 between the connection bolt 7 and the door 2, an auxiliary insulation plate 82 is provided between the lock nut and the hinge movable portion 31, to insulate the connection bolt 7 and the hinge movable portion, that is, the power supply 6 is electrically connected with the knife housing 21 only through the connection bolt 7, the door 2 is not electrified, and an erroneous electric shock can be avoided, the back wall of door leaf 2 is equipped with insulating back plate 84, insulating back plate 84 makes door leaf 2 and slot frame 4, door frame 1 insulating, avoid the short circuit between door leaf 2 and slot frame 4, avoid the short circuit between slotting tool frame 21 and slot frame 4, effectually guaranteed that the glow discharge between slotting tool frame 21 and the sword frame 42 breaks down neon gas and produces plasma, of course, for improving the security, can wrap up the insulating layer on naked door leaf 2, door frame 1, hinge, in order to avoid electric leakage, improve corrosion-resistant ability simultaneously, connecting bolt 7 and wire junction can be through insulating sleeve cladding, avoid electric leakage, this connection structure has both realized the connection of door leaf 2, realized the electric connection for slotting tool frame 21 again, the cost is reduced.
In order to enhance the dispersivity of the plasmas in the shielding space, ensure that the shielding space is filled with the plasmas and has reliable electromagnetic wave shielding performance, the left side and the right side of the groove frame 4 are respectively provided with an air inlet 221 and an air outlet 222, the air inlet 221 is connected with external air supply equipment, inert gas is timely supplemented into the shielding space, after the door leaf 2 is closed, the air supply equipment supplies neon to the shielding space, the neon gas is inflated by 1 liter/min, then the power supply 6 is connected to generate the plasmas, the air outlet 222 can be connected with air extraction equipment or external air circulation equipment, so that the shielding space keeps certain gas fluidity, the dispersion effect of the plasmas in the shielding space is improved, the shielding performance on electromagnetic waves is improved, the air inlet 221 and the air outlet 222 are oppositely arranged, stable fluidity can be formed, the dispersibility of the plasmas has better promoting effect, and the shielding performance on the electromagnetic waves is enhanced.
Example 2: in this embodiment, referring to fig. 4, a cavity 51 is provided in the insulating soft cover 5, the cavity 51 is communicated with the shielding space through a conducting tube, and plasma enters into the cavity 51 through the conducting tube, so that the insulating soft cover 5 has electromagnetic wave shielding effect at the same time, and the shielding effect of the shielding door is improved. The air supply device, the air inlet 221 and the air outlet 222 can promote the movement of the plasma to the cavity 51, have better promotion effect on the dispersibility of the plasma, and enhance the shielding performance on electromagnetic waves.
Example 3: in this embodiment, referring to fig. 4 and 5, the difference between this embodiment and embodiment 1 is that, in this embodiment, the insulating soft cover 5 includes an outer soft cover 52 and a core block 53 therein, an inner cavity for accommodating the core block 53 is provided in the outer soft cover 52, referring to fig. 6, a first metal layer 54 is provided on a wall of the inner cavity, a second metal layer 55 is provided on an outer surface of the core block 53, a plurality of uniformly distributed supporting blocks 56 are provided outside the core block 53, inner ends and outer ends of the supporting blocks 56 are correspondingly connected to the second metal layer 55 and the first metal layer 54, a cavity 51 is formed between the first metal layer 54 and the second metal layer 55, plasma in the shielding space is dispersed into the cavity 51 through a conducting tube, the insulating soft cover 5 has electromagnetic wave shielding performance, the supporting blocks 56 function to support the outer soft cover 52, the outer peripheral surface of the supporting block 56 is a concave cambered surface, the supporting performance and the compression resistance of the structure are strong, the supporting performance of the outer soft cover 52 can be guaranteed, the outer soft cover 52 has certain deformation capacity, after being contacted with the groove frame 4, the outer soft cover 52 can be extruded to play a sealing role, a plurality of uniformly distributed supporting blocks 56 can effectively support the outer soft cover 52, an effective space at the cavity 51 is kept, the distribution of plasmas is guaranteed, the electromagnetic wave shielding effect of the space 51 is enhanced by the first metal layer 54 and the second metal layer 55, the electromagnetic wave shielding capacity of the electromagnetic shielding door is further enhanced, the electromagnetic wave shielding door has a reliable electromagnetic wave shielding effect, the transmission of electromagnetic waves at the position of the insulating soft cover is effectively blocked, and the shielding performance on the electromagnetic wave is enhanced.
The metal reed can be embedded in the outer soft cover 52, the rear end of the metal reed extends to the position where the rear end face of the outer soft cover 52 corresponds to the frame end face of the groove frame 4, the rear end of the metal reed is in partial contact with the frame end face of the groove frame 4, the position is in metal contact, thereby effectively blocking the transmission of electromagnetic waves, the electromagnetic wave shielding effect is enhanced, electromagnetic wave leakage is avoided, the outer end of the metal reed extends to the side end face of the outer soft cover 52, the end is in contact with the groove wall of the embedded groove 22, the position is in metal contact, thereby electromagnetic wave leakage is avoided, the rear end of the metal reed is in end face contact with the groove frame 4, static friction does not exist in the opening direction of the door leaf 2, therefore, the resistance of opening and closing of the door leaf 2 is not increased, the insulating soft cover 5 has reliable electromagnetic wave shielding performance, the quantity of the metal reed can be correspondingly increased according to the electromagnetic wave shielding grade requirement, thereby the shielding performance is ensured, the insulating soft cover 5, the insulating plate 8, the insulating sleeve 81 and other materials can be insulating rubber, the door leaf 2 and the inserted knife frame 21 have reliable insulating performance, namely, the door leaf 2 cannot be in contact with the wall of the embedded groove 22, the metal reed is not in the insulating film, and the plasma is not broken, and the large-like, the plasma is not in the space of the door leaf 1 is fully broken, and the plasma is discharged, and the large-state is not caused, and the plasma is in the space of the door leaf is not broken.
The shielding space of the groove frame 4 is filled with plasma for blocking electromagnetic wave transmission at the joint of the door leaf 2 and the door frame 1, the cavity 51 of the insulating soft cover 5 is also filled with plasma, and the insulating soft cover 5 is in metal contact with the groove frame 4 and the embedded groove 22 through metal reeds, so that a closed electromagnetic wave shielding structure is formed, the shielding door has a reliable shielding effect, and meanwhile, the door leaf 2 can be opened and closed by applying small force, so that the shielding door has strong usability and better popularization and application prospects.
The above description is not intended to limit the scope of the present application, and therefore, the present application is not limited to the above embodiments: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The utility model provides a plasma electromagnetic shield door, includes door frame, door leaf, and the door leaf passes through hinge and door frame swing joint, is equipped with slotting tool frame on the door leaf, its characterized in that: the novel solar energy electric door is characterized in that a groove frame is arranged on the door frame, an insulating soft cover is arranged on the door leaf, the tip of the slotting tool frame penetrates through the insulating soft cover to be exposed to the outer side of the door leaf, after the door leaf is closed, the insulating soft cover is attached to the opening of the groove frame to enable a sealed shielding space to be formed in the groove frame, the slotting tool frame is inserted into the groove frame, a tool frame is arranged in the center of the rear portion of the groove frame, the tool frame is opposite to the tip of the slotting tool frame, the slotting tool frame is not contacted with the groove frame, inert gas is filled in the shielding space, an electrode A is connected to the groove frame and/or the door frame, an electrode B is connected to the slotting tool frame and/or the door leaf, glow discharge breakdown inert gas is generated in the shielding space after the electrode A and the electrode B are electrified to generate plasma shielding electromagnetic waves, the slotting tool frame and the tool frame are in the same straight line, and the slotting tool frame, the door leaf and the slotting tool frame are mutually insulated.
2. The plasma electromagnetic shield door of claim 1, wherein: the door frame is connected with the hinge fixed part, the door leaf is connected with the hinge movable part, an insulating plate is arranged between the hinge movable part and the door leaf, a connecting piece penetrating through the door leaf and extending to the hinge movable part is arranged on the slotting tool frame, an insulating sleeve insulated with the door leaf is sleeved on the connecting piece, the connecting piece forms the electrode A, and an insulating rear plate insulated with the groove frame is arranged on the rear wall of the door leaf.
3. The plasma electromagnetic shield door of claim 2, wherein: the connecting piece is connecting bolt, and connecting bolt inner welded fastening is in on the slotting tool frame, insulating cover is established outside connecting bolt, and the connecting bolt outer end is equipped with lock nut, is equipped with vice insulation board between lock nut and the hinge movable part.
4. The plasma electromagnetic shield door of claim 1, wherein: the insulating soft cover is fixed in the embedded groove arranged on the door leaf, the insulating soft cover comprises an outer soft cover and a core block arranged in the outer soft cover, an inner cavity for accommodating the core block is formed in the outer soft cover, a first metal layer is arranged on the wall of the inner cavity, a second metal layer is arranged on the outer surface of the core block, a plurality of uniformly distributed supporting blocks are arranged outside the core block, the inner ends and the outer ends of the supporting blocks are correspondingly connected to the second metal layer and the first metal layer, a cavity is formed between the first metal layer and the second metal layer, and the cavity is communicated with a shielding space through a conducting pipe.
5. The plasma electromagnetic shield door of claim 1, wherein: the groove frame is provided with an air inlet and an air outlet, and the air inlet is connected with external air supply equipment.
6. The plasma electromagnetic shield door of claim 1, wherein: an insulating auxiliary plate is arranged between the door leaf and the slotting tool frame.
7. The plasma electromagnetic shield door of claim 1, wherein: the groove frame is arranged at the inner wall of the door frame, and is provided with a connecting part extending to the rear side of the door frame, and the connecting part is welded with the door frame.
8. The plasma electromagnetic shield door of claim 1, wherein: the electrode A is connected with the anode end of an external power supply, the electrode B is connected with the cathode end of the external power supply, and the electrode B is connected to the door frame.
9. A plasma electromagnetic shield door according to claim 3, wherein: the insulating sleeve and the insulating plate are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210360011.5A CN114809888B (en) | 2022-04-06 | 2022-04-06 | Plasma electromagnetic shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210360011.5A CN114809888B (en) | 2022-04-06 | 2022-04-06 | Plasma electromagnetic shielding door |
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| Publication Number | Publication Date |
|---|---|
| CN114809888A CN114809888A (en) | 2022-07-29 |
| CN114809888B true CN114809888B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210360011.5A Active CN114809888B (en) | 2022-04-06 | 2022-04-06 | Plasma electromagnetic shielding door |
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| CN (1) | CN114809888B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4127130A1 (en) * | 1991-08-15 | 1993-02-18 | Home Ges Fuer Kuehltechnik Mbh | Sun-shading window collecting solar energy - has distance-pieces through which flow takes place between panes. |
| EP0818803A2 (en) * | 1996-07-10 | 1998-01-14 | Applied Materials, Inc. | Electrically floating shield in a plasma reactor |
| KR19990052218A (en) * | 1997-12-22 | 1999-07-05 | 이구택 | Guard device for shielding strong magnetic field |
| CN2341743Y (en) * | 1998-05-18 | 1999-10-06 | 苍南县爱德电力配件厂 | Special cutter for opening a concave groove longitudinally in nut inner hole side |
| EP1113715A1 (en) * | 1999-12-31 | 2001-07-04 | Valli Zabban s.p.a. | Method for shielding glass surfaces of buildings from electromagnetic waves and glass panel for the building industry that carries out this method |
| KR200283474Y1 (en) * | 2002-03-26 | 2002-07-26 | 주식회사 코암테크 | An apparatus for shielding magnetic field and transmitting light therethrough simultaneously |
| JP2003142874A (en) * | 2001-11-02 | 2003-05-16 | Toyo Service Kk | Clearance connector for electromagnetic wave shielding body and method for shielding electromagnetic wave |
| DE10314855A1 (en) * | 2003-04-02 | 2004-11-11 | Silberberg, Uwe, Dr.-Ing. | Radiation-protecting sliding gate arrangement, for screening linear accelerator bunker, has filling made from heavy concrete having composition of barite, hematite or magnetite |
| CN101642002A (en) * | 2007-02-12 | 2010-02-03 | 互曼迈迪泰克公司 | Door for vacuum chamber |
| CN208058491U (en) * | 2018-01-16 | 2018-11-06 | 东莞市天华光电科技有限公司 | A kind of phasmajector lamps and lanterns |
-
2022
- 2022-04-06 CN CN202210360011.5A patent/CN114809888B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4127130A1 (en) * | 1991-08-15 | 1993-02-18 | Home Ges Fuer Kuehltechnik Mbh | Sun-shading window collecting solar energy - has distance-pieces through which flow takes place between panes. |
| EP0818803A2 (en) * | 1996-07-10 | 1998-01-14 | Applied Materials, Inc. | Electrically floating shield in a plasma reactor |
| KR19990052218A (en) * | 1997-12-22 | 1999-07-05 | 이구택 | Guard device for shielding strong magnetic field |
| CN2341743Y (en) * | 1998-05-18 | 1999-10-06 | 苍南县爱德电力配件厂 | Special cutter for opening a concave groove longitudinally in nut inner hole side |
| EP1113715A1 (en) * | 1999-12-31 | 2001-07-04 | Valli Zabban s.p.a. | Method for shielding glass surfaces of buildings from electromagnetic waves and glass panel for the building industry that carries out this method |
| JP2003142874A (en) * | 2001-11-02 | 2003-05-16 | Toyo Service Kk | Clearance connector for electromagnetic wave shielding body and method for shielding electromagnetic wave |
| KR200283474Y1 (en) * | 2002-03-26 | 2002-07-26 | 주식회사 코암테크 | An apparatus for shielding magnetic field and transmitting light therethrough simultaneously |
| DE10314855A1 (en) * | 2003-04-02 | 2004-11-11 | Silberberg, Uwe, Dr.-Ing. | Radiation-protecting sliding gate arrangement, for screening linear accelerator bunker, has filling made from heavy concrete having composition of barite, hematite or magnetite |
| CN101642002A (en) * | 2007-02-12 | 2010-02-03 | 互曼迈迪泰克公司 | Door for vacuum chamber |
| CN208058491U (en) * | 2018-01-16 | 2018-11-06 | 东莞市天华光电科技有限公司 | A kind of phasmajector lamps and lanterns |
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| CN114809888A (en) | 2022-07-29 |
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