CN103397840A - High-performance air pressure shielding gate - Google Patents
High-performance air pressure shielding gate Download PDFInfo
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- CN103397840A CN103397840A CN2013103670320A CN201310367032A CN103397840A CN 103397840 A CN103397840 A CN 103397840A CN 2013103670320 A CN2013103670320 A CN 2013103670320A CN 201310367032 A CN201310367032 A CN 201310367032A CN 103397840 A CN103397840 A CN 103397840A
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- air pressure
- pressure shield
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- door leaf
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A high-performance air pressure shielding door is characterized by comprising a door frame (1) and a door leaf (2), wherein air pressure shielding components are arranged between the door frame (1) and the door leaf (2) and comprise a conductive reed (4), a flexible sealing board (5), a power transmission component (6), a micro cylinder (7) and a conductive frame (9). The high-performance air pressure shielding door guarantees the wide-band shielding effectiveness and is wide in application range; only one shielding door structure can cover a full band of the electromagnetic shielding field and meets design requirements of various shielding doors; not only are requirements of large shielding doors for an electric power test met, but also requirements of national military standards and shielding doors for anechoic chambers are met simultaneously; the high-performance air pressure shielding door adopts horizontal moving and lifting types, is power-driven or manually-operated, adopts frequency conversion and stepless speed regulation, and can perform sudden stop; a safe anti-clamping device is arranged; the electric interlocking is realized; and the high-performance air pressure shielding door is operated through a touch screen, thereby being convenient and visual to operate.
Description
Technical field
The present invention relates to the electromagnetic shielding field, especially a kind of high-performance air pressure shield door, specifically a kind of high-performance air pressure shield door that solves electromagnetic shielding chamber movable gap shielding.
Background technology
Existing airtight shielding door exists following defect
1, air bag is this a kind of critical component, the even precision of its wall thickness is difficult to guarantee the uniformity of size, especially the uniformity at four jiaos of places of doorframe is poor, be difficult to accomplish on a plane, easily produce the inhomogeneous drop of height, cause the conductive reed contact inconsistent, greatly affected shielding properties.
2, there is problem of aging in air bag, follows the string after aging and easily breaks, and is subject to very big restriction application life.
3, the air-capacitor amount of air bag is large, and inflation/deflation is for up to several minutes, inefficient operation.
4, the air-capacitor amount due to air bag is large, and the air pump capacity that therefore need to choose is large, brings the serious problems of power consumption, noise pollution.
5, repair and replacement are inconvenient, need to lift down whole air bag, take a lot of work, increase maintenance cost.
6, the air bag after the inflation is large to the shaped steel active force, need to select the large shaped steel of specification, not only increased weight, and cost increases.
7, because air bag is columniform, the conductive reed after inflation and the contact surface of ground plane are less, and width is the 5mm left and right only.Therefore, for the place of high performance requirements, must design twice or, with upper gasbag, make complex structure, cost up, maintain and replace is more inconvenient.
The air pressure shield door, it, than airtight shielding door more science, advanced person, simple, reliable, is the desirable renewal product of existing airtight shielding door.
Summary of the invention
The object of the present invention is to provide a kind of high-performance vapour-pressure type shield door, by a plurality of minitype cylinders that are positioned on doorframe, driven, the power transmission assembly, with the electrical connection of the shield member on conductive reed and door leaf, reaches shielding requirements.
Technical scheme of the present invention is:
a kind of high-performance air pressure shield door, comprise doorframe 1 and door leaf 2, be provided with the air pressure shield assembly between doorframe 1 and door leaf 2, described air pressure shield assembly comprises conductive reed 4, flexible sealing plate 5, power transmission assembly 6, minitype cylinder 7 and conductive frame 9, described minitype cylinder 7 is fixed on doorframe 1 or door leaf 2, the cylinder piston post 17 of minitype cylinder 7 connects power transmission assembly 6, power transmission assembly 6 is provided with the flexible sealing plate 5 of strip, flexible sealing plate 5 arranged outside conductive reeds 4, conductive reed 4 is fixed on conductive frame 9, make under the thrust of minitype cylinder 7, power transmission assembly 6 promotes whole and doorframe 1 or door leaf 2 electrical connections with conductive reed 4 of whole piece flexible sealing plate 5.
Described flexible sealing plate 5 is silicane rubber plate.
Be communicated with cylinder ventilating pipe 8 on described minitype cylinder 7, cylinder ventilating pipe 8 is connected with supporting air pump.
Described air pressure shield assembly is arranged on doorframe 1 or is arranged on door leaf 2.
The cross section of described conductive reed 4 is L shaped, and the one end is fixed on conductive frame 9 by conductive reed fixture 20, and the other end relies on elastic card to be embedded in conductive frame 9, and conductive reed 4 is under the effect of flexible sealing plate 5 and power transmission assembly 6, and distortion is arched upward.
When described air pressure shield assembly was arranged on doorframe 1, on door leaf 2, the position of corresponding conductive reed 4 was provided with door leaf conductive plate 19.
When described air pressure shield assembly was arranged on door leaf 2 bottom, the ground of door leaf 2 belows was equipped with ground conductive plate 10.
Described cylinder piston post 17 is fixing with power transmission assembly 6 by power transmission assembly fixed head 18.
Described power transmission assembly 6 is strip, and its both sides that contact with flexible sealing plate 5 also are provided with side brace panels 21 and the reinforcement support shoulders 23 that bending is got up, and side brace panels 21 outward flanges are provided with the side brace panels wing plate 22 that bends inwards.
Described door leaf 2 is provided with motor 12, drive unit 13 and a plurality of translation assembly 14, and translation assembly 14 is provided with driven pulley 16 or driving wheel 15, rolls and is connected on driven pulley 16 and track 3, and motor 12 connects driving wheels 15 by drive unit 13.
The invention has the beneficial effects as follows:
1) the high-performance air pressure shield door of the present invention desirable renewal product that is the gasbag-type shield door, overcome the many disadvantages of air bag shield door.
2) high-performance air pressure shield door of the present invention adopts modular design it is more suitable in industrialization, has obvious economic benefit.
3) high-performance air pressure shield door of the present invention has guaranteed the shield effectiveness of wide-band, and is applied widely, and a kind of shield door structure only just can cover the full frequency band in electromagnetic shielding field, meets the designing requirement of various shield doors.Not only meet the requirement of the large-scale shield door of power test, meet simultaneously the requirement of GB, army's mark and anechoic chamber, shield door.
4) high-performance air pressure shield door of the present invention is parallel-moving type and lift-type, electronic or manually all can, variable-frequency stepless speed-regulating, can suddenly stop; Safety device for preventing hand from being squeezed is set; Electrical interlocks; Touch screen operation, convenient directly perceived.
5) high-performance air pressure shield door of the present invention adopts vapour-pressure type reed shielding construction, namely in special conductive reed, the power transmission assembly is set, after door is closed, cylinder charge, the power transmission assembly drives conductive reed and shield member electrical connection, reach the shielding purpose, after venting, cylinder, power transmission assembly and conductive reed reset, door leaf and doorframe disengagement, door leaf moves to assigned address, is in opening.
6) high-performance air pressure shielding gate open of the present invention is overregulated cylinder pressure, has regulated the contact of conductive reed, guarantees that the shield effectiveness long-term stability is constant, and air sac type structure needs continuous inflation, can not reach the effect of constant pressure.
7) high-performance air pressure shield door of the present invention adopts electronic upper driving structure, can realize the zero gate sill, meets the demand in air cushion vehicle turnover shielding hall.
8) high-performance air pressure shield door high efficiency of the present invention, improved hundreds of times than gasbag-type, and cylinder charge only just can be completed for 2 seconds, and airbag aeration needs 8-10 minutes.
9) high-performance air pressure shield door of the present invention has overcome the many disadvantages, particularly adverse circumstances of gasbag-type shield door, as seeming that more it is outstanding under outside installation, cold or megathermal climate condition.
10) high-performance air pressure shield door long service life of the present invention, the cylinder life-span surpasses hundred million times, and without aging, gas leakage, the unequal defect of pressure, this system has waterproof, explosion-proof, moistureproof ability, stable and reliable operation.
11) high-performance air pressure shield door of the present invention has obvious economic benefit, and simple in structure, reliability is high, and maintenance cost is very low, cost-saved 25% left and right.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is side of the present invention sectional structure schematic diagram.
Fig. 3 is the structural representation of air pressure shield assembly of the present invention.
Fig. 4 is the structural representation of power transmission assembly of the present invention.
in figure: 1 is doorframe, 2 is door leaf, 3 is track, 4 is conductive reed, 5 is the flexible sealing plate, 6 are the power transmission assembly, 7 is minitype cylinder, 8 is the cylinder ventilating pipe, 9 is conductive frame, 10 is the ground conductive plate, 12 is motor, 13 is drive unit, 14 are the translation assembly, 15 is driving wheel, 16 is driven pulley, 17 is the cylinder piston post, 18 are power transmission assembly fixed head, 19 is the door leaf conductive plate, 20 is the conductive reed fixture, 21 is side brace panels, 22 is the side brace panels wing plate, 23 for strengthening support shoulders.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
as Fig. 1 to 4, a kind of high-performance air pressure shield door, comprise doorframe 1 and door leaf 2, be provided with the air pressure shield assembly between doorframe 1 and door leaf 2, described air pressure shield assembly comprises conductive reed 4, flexible sealing plate 5, power transmission assembly 6, minitype cylinder 7 and conductive frame 9, described minitype cylinder 7 is fixed on doorframe 1 or door leaf 2, the cylinder piston post 17 of minitype cylinder 7 connects power transmission assembly 6, power transmission assembly 6 is provided with the flexible sealing plate 5 of strip, flexible sealing plate 5 arranged outside conductive reeds 4, conductive reed 4 is fixed on conductive frame 9, make under the thrust of minitype cylinder 7, power transmission assembly 6 promotes whole and doorframe 1 or door leaf 2 electrical connections with conductive reed 4 of whole piece flexible sealing plate 5.
Be communicated with cylinder ventilating pipe 8 on minitype cylinder 7, cylinder ventilating pipe 8 is connected with supporting air pump.An air pump just can be controlled the motion of a plurality of minitype cylinders 7 simultaneously, greatly reduces equipment volume.
The air pressure shield assembly is arranged on doorframe 1 or is arranged on door leaf 2.Structure of the present invention is small and exquisite, can be directly installed in the channel-section steel of doorframe or door leaf, reaches the purpose that reduces thickness and volume.
The cross section of conductive reed 4 is L shaped, and the one end is fixed on conductive frame 9 by conductive reed fixture 20, and the other end relies on elastic card to be embedded in conductive frame 9, and conductive reed 4 is under the effect of flexible sealing plate 5 and power transmission assembly 6, and distortion is arched upward.And then with doorframe 1 or door leaf 2 electrical contacts, be connected, realize function of shielding.
When the air pressure shield assembly was arranged on doorframe 1, on door leaf 2, the position of corresponding conductive reed 4 was provided with door leaf conductive plate 19.
When the air pressure shield assembly was arranged on door leaf 2 bottom, the ground of door leaf 2 belows was equipped with ground conductive plate 10.
1, high-performance air pressure shield door of the present invention is comprised of shaped steel doorframe → shaped steel door leaf → minitype cylinder → power transmission assembly → conductive reed → shield member → crossbeam → transmission mechanism → location locking mechanism → control system etc.
2, after the inflation of the minitype cylinder of high-performance air pressure shield door of the present invention, promote the power transmission assembly,, with the tight electrical contact of the shield member on conductive reed and door leaf/doorframe, reach certain pressure, realize electro-magnetic screen function.
3, be fixed on a plurality of minitype cylinders on doorframe, guarantee that by adjustment screw it is highly consistent, thereby reach the pressure uniformity, reach consistent electromagnetic shielding sealing effectiveness.
4, on the transmission component of high-performance air pressure shield door of the present invention plane layout elongated silicane rubber plate, play good elastic buffer effect, guarantee the uniformity of shield gasket and enough contacts.
5, high-performance air pressure shield door of the present invention adopts super wide contact area and contact design, has guaranteed high shielding performance, and a kind of structure just can cover whole shield effectiveness requirements of 9KHz-40GHz frequency range.
Operating principle of the present invention, course of action:
Adopt PLC process control partially.Be equipped with electric control box, touch screen operation.
Open the door: press open the door key → venting → door leaf and doorframe to throw off → door moves on to a side, stops after putting in place.
Close the door: press the key → door of closing the door and move on to a rear → inflation, door leaf and doorframe electrical connection, reach shield effectiveness.
Stop: opening the door or at closing time, press stop key, door leaf can stop at an arbitrary position.
System can be automatic, also can be manual, various safety devices are set, and guarantee that security of system is reliable.
Embodiment recited above is described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not breaking away under design concept prerequisite of the present invention; various modification and improvement that in this area, common engineers and technicians make technical scheme of the present invention; all should fall into protection scope of the present invention, the technology contents that the present invention asks for protection all is documented in claims.
Claims (10)
1. high-performance air pressure shield door, it is characterized in that comprising doorframe (1) and door leaf (2), be provided with the air pressure shield assembly between doorframe (1) and door leaf (2), described air pressure shield assembly comprises conductive reed (4), flexible sealing plate (5), power transmission assembly (6), minitype cylinder (7) and conductive frame (9), described minitype cylinder (7) is fixed on doorframe (1) or door leaf (2), the cylinder piston post (17) of minitype cylinder (7) connects power transmission assembly (6), power transmission assembly (6) is provided with the flexible sealing plate (5) of strip, flexible sealing plate (5) arranged outside conductive reed (4), conductive reed (4) is fixed on conductive frame (9), make under the thrust of minitype cylinder (7), power transmission assembly (6) promotes whole piece flexible sealing plate (5) whole and doorframe (1) or door leaf (2) electrical connection with conductive reed (4).
2. high-performance air pressure shield door according to claim 1, is characterized in that described flexible sealing plate (5) is silicane rubber plate.
3. high-performance air pressure shield door according to claim 1, is characterized in that on described minitype cylinder (7) being communicated with cylinder ventilating pipe (8), and cylinder ventilating pipe (8) is connected with supporting air pump.
4. high-performance air pressure shield door according to claim 1, is characterized in that described air pressure shield assembly is arranged on doorframe (1) upward or is arranged on door leaf (2).
5. high-performance air pressure shield door according to claim 1, the cross section that it is characterized in that described conductive reed (4) is L shaped, the one end is fixed on conductive frame (9) by conductive reed fixture (20), the other end relies on elastic card to be embedded in conductive frame (9), conductive reed (4) is under the effect of flexible sealing plate (5) and power transmission assembly (6), and distortion is arched upward.
6. high-performance air pressure shield door according to claim 4, is characterized in that described air pressure shield assembly was arranged on doorframe (1) when upper, and the position of the upper corresponding conductive reed (4) of door leaf (2) is provided with door leaf conductive plate (19).
7. high-performance air pressure shield door according to claim 1, while it is characterized in that described air pressure shield assembly is arranged on door leaf (2) bottom, the ground of door leaf (2) below is equipped with ground conductive plate (10).
8. high-performance air pressure shield door according to claim 1, is characterized in that described cylinder piston post (17) is fixing by power transmission assembly fixed head (18) and power transmission assembly (6).
9. high-performance air pressure shield door according to claim 1, it is characterized in that described power transmission assembly (6) is strip, its both sides that contact with flexible sealing plate (5) also are provided with side brace panels (21) and the reinforcement support shoulders (23) that bending is got up, and side brace panels (21) outward flange is provided with the side brace panels wing plate (22) that bends inwards.
10. high-performance air pressure shield door according to claim 1, it is characterized in that described door leaf (2) is provided with motor (12), drive unit (13) and a plurality of translation assembly (14), translation assembly (14) is provided with driven pulley (16) or driving wheel (15), driven pulley (16) is connected with upper rolling of track (3), and motor (12) connects driving wheel (15) by drive unit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367032.0A CN103397840B (en) | 2013-08-21 | 2013-08-21 | High-performance air pressure shielding gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367032.0A CN103397840B (en) | 2013-08-21 | 2013-08-21 | High-performance air pressure shielding gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103397840A true CN103397840A (en) | 2013-11-20 |
| CN103397840B CN103397840B (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310367032.0A Active CN103397840B (en) | 2013-08-21 | 2013-08-21 | High-performance air pressure shielding gate |
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| Country | Link |
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| CN (1) | CN103397840B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801561A (en) * | 2017-03-08 | 2017-06-06 | 李志珍 | A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door |
| CN113969737A (en) * | 2021-06-28 | 2022-01-25 | 李志珍 | High-performance electric two-dimensional air pressure shielding wave-absorbing sliding door with radio frequency shielding layer material system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197225A (en) * | 1992-08-20 | 1993-03-30 | Panashield, Rf And Audio Shielding, Inc. | Radiation resistant sliding door |
| CN201507216U (en) * | 2009-06-12 | 2010-06-16 | 常州新区金利达电子有限公司 | Airtight shielding door |
| CN203081222U (en) * | 2013-02-27 | 2013-07-24 | 株洲合力电磁技术有限公司 | Pneumatic shielding door |
| CN203488037U (en) * | 2013-08-21 | 2014-03-19 | 常州新区金利达电子有限公司 | High-performance air pressure shielding door |
-
2013
- 2013-08-21 CN CN201310367032.0A patent/CN103397840B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197225A (en) * | 1992-08-20 | 1993-03-30 | Panashield, Rf And Audio Shielding, Inc. | Radiation resistant sliding door |
| CN201507216U (en) * | 2009-06-12 | 2010-06-16 | 常州新区金利达电子有限公司 | Airtight shielding door |
| CN203081222U (en) * | 2013-02-27 | 2013-07-24 | 株洲合力电磁技术有限公司 | Pneumatic shielding door |
| CN203488037U (en) * | 2013-08-21 | 2014-03-19 | 常州新区金利达电子有限公司 | High-performance air pressure shielding door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801561A (en) * | 2017-03-08 | 2017-06-06 | 李志珍 | A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door |
| CN113969737A (en) * | 2021-06-28 | 2022-01-25 | 李志珍 | High-performance electric two-dimensional air pressure shielding wave-absorbing sliding door with radio frequency shielding layer material system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103397840B (en) | 2015-03-04 |
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