CN103397840B - High-performance air pressure shielding gate - Google Patents
High-performance air pressure shielding gate Download PDFInfo
- Publication number
- CN103397840B CN103397840B CN201310367032.0A CN201310367032A CN103397840B CN 103397840 B CN103397840 B CN 103397840B CN 201310367032 A CN201310367032 A CN 201310367032A CN 103397840 B CN103397840 B CN 103397840B
- Authority
- CN
- China
- Prior art keywords
- air pressure
- pressure shield
- door
- door leaf
- conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- 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 electromagnetic shielding field, especially a kind of high-performance air pressure shield door, specifically a kind of high-performance air pressure shield door solving electromagnetic shielding chamber movable gap shielding.
Background technology
Existing airtight shielding door also exists following defect
1, air bag is this kind of critical component, its uniform wall thickness precision is difficult to the uniformity ensureing size, especially the uniformity at doorframe corner place is poor, be difficult to accomplish on a plane, the drop that easy generation height is uneven, cause conductive reed contact inconsistent, greatly have impact on shielding properties.
2, there is problem of aging in air bag, follows the string and easily break after aging, is subject to very big restriction application life.
3, the air-capacitor amount of air bag is large, inflation/deflation for up to several minutes, inefficient operation.
4, the air-capacitor amount due to air bag is large, therefore needs the air pump capacity chosen large, brings the serious problems of power consumption, noise pollution.
5, repair and replacement are inconvenient, need whole air bag to lift down, and take a lot of work, increase maintenance cost.
6, the air bag after inflation is large to shaped steel active force, need the shaped steel selecting specification large, not only increase weight, and cost increases.
7, because air bag is columniform, the conductive reed after inflation and the contact surface of ground plane less, width is about 5mm only.Therefore for the place of high performance requirements, must design twice or more air bag, make complex structure, cost up, maintain and replace is more inconvenient.
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, driven by multiple minitype cylinder be positioned on doorframe, the shield member on conductive reed and door leaf is electrically connected by power transmission assembly, reaches shielding requirements.
Technical scheme of the present invention is:
A kind of high-performance air pressure shield door, it is characterized in that comprising doorframe and door leaf, air pressure shield assembly is provided with between doorframe and door leaf, described air pressure shield assembly comprises conductive reed, flexible sealing plate, power transmission assembly, minitype cylinder and conductive frame, described minitype cylinder is fixed on doorframe or door leaf, the cylinder piston post of minitype cylinder connects the flexible sealing plate of strip by power transmission assembly, flexible sealing plate arranged outside conductive reed, conductive reed is fixed on conductive frame, conductive frame is arranged on outside power transmission assembly, make under the thrust of minitype cylinder, power transmission components drive whole piece flexible sealing plate is electrically connected overall for conductive reed with doorframe or door leaf.
Described flexible sealing plate is silicane rubber plate.
Described minitype cylinder is communicated with cylinder ventilating pipe, cylinder ventilating pipe is connected with supporting air pump.
Described air pressure shield assembly is arranged on doorframe or is arranged on door leaf.
The cross section of described conductive reed is L shape, and its one end is fixed on conductive frame by conductive reed fixture, and the other end relies on elastic card to be embedded in conductive frame, and conductive reed is under the effect of flexible sealing plate and power transmission assembly, and distortion is arched upward.
When described air pressure shield assembly is arranged on doorframe, on door leaf, the position of corresponding conductive reed is provided with door leaf conductive plate.
When described air pressure shield assembly is arranged on bottom door leaf, the ground below door leaf is provided with ground conductive plate.
Described cylinder piston post is fixed by power transmission assembly fixed head and power transmission assembly.
Described power transmission assembly is strip, and its both sides contacted with flexible sealing plate are also provided with the side brace panels that bends and strengthen support shoulders, and side brace panels outward flange is provided with the side brace panels wing plate bent inwards.
Described door leaf is provided with motor, drive unit and multiple translation assembly, and translation assembly is provided with driven pulley or driving wheel, and driven pulley is connected with track rolls, and motor connects driving wheel by drive unit.
The invention has the beneficial effects as follows:
1) high-performance air pressure shield door of the present invention is the desirable renewal product of gasbag-type shield door, overcomes 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 for industrialization, has obvious economic benefit.
3) high-performance air pressure shield door of the present invention ensure that the shield effectiveness of wide-band, applied widely, and only a kind of shield door structure, just can cover the full frequency band in electromagnetic shielding field, meets the designing requirement of various shield door.Not only meet the requirement of the large-scale shield door of power test, meet the requirement of GB, army's mark and anechoic chamber, shield door simultaneously.
4) high-performance air pressure shield door of the present invention is parallel-moving type and lift-type, and electronic or manual, 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, power transmission assembly is set, after door is closed, cylinder charge, power transmission assembly drives conductive reed and shield member to be electrically connected, reach shielding object, rear, cylinder, power transmission assembly and conductive reed reset of exitting, door leaf and doorframe are thrown off, door leaf moves to assigned address, is in opening.
6) high-performance air pressure shielding gate open of the present invention overregulates cylinder pressure, have adjusted the contact of conductive reed, and ensure that shield effectiveness long-term stability is constant, air sac type structure then 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 zero gate sill, meets the demand in air cushion vehicle turnover shielding hall.
8) high-performance air pressure shield door operating efficiency of the present invention is high, and improve hundreds of times than gasbag-type, cylinder charge only just can complete for 2 seconds, and airbag aeration needs 8-10 minutes.
9) high-performance air pressure shield door of the present invention overcomes the many disadvantages, particularly adverse circumstances of gasbag-type shield door, as more seemed that 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, without aging, gas leakage, the unequal defect of pressure, this system had waterproof, explosion-proof, moistureproof ability, stable and reliable operation more than hundred million times.
11) high-performance air pressure shield door of the present invention has obvious economic benefit, and structure is simple, and reliability is high, and maintenance cost is very low, and cost-saved about 25%.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is side, sectional structural representation of the present invention.
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 flexible sealing plate, 6 is power transmission assembly, 7 is minitype cylinder, 8 is cylinder ventilating pipe, 9 is conductive frame, 10 is ground conductive plate, 12 is motor, 13 is drive unit, 14 is translation assembly, 15 is driving wheel, 16 is driven pulley, 17 is cylinder piston post, 18 is power transmission assembly fixed head, 19 is door leaf conductive plate, 20 is conductive reed fixture, 21 is side brace panels, 22 is side brace panels wing plate, 23 for strengthening support shoulders.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As Fig. 1 to 4, a kind of high-performance air pressure shield door, it is characterized in that comprising doorframe 1 and door leaf 2, air pressure shield assembly is provided with 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 the flexible sealing plate 5 of strip by power transmission assembly 6, flexible sealing plate 5 arranged outside conductive reed 4, conductive reed 4 is fixed on conductive frame 9, conductive frame 9 is arranged on outside power transmission assembly 6, make under the thrust of minitype cylinder 7, power transmission assembly 6 promotes whole piece flexible sealing plate 5 and is electrically connected overall for conductive reed 4 with doorframe 1 or door leaf 2.
Flexible sealing plate 5 is silicane rubber plate.Its length is consistent with the length of side of doorframe 1 or door leaf, realizes sealing completely.
Minitype cylinder 7 is communicated with cylinder ventilating pipe 8, cylinder ventilating pipe 8 is connected with supporting air pump.An air pump just can control the motion of multiple minitype cylinder 7 simultaneously, greatly reduces equipment volume.
Air pressure shield assembly is arranged on doorframe 1 or is arranged on door leaf 2.Compact structure of the present invention, can be directly installed in the channel-section steel of doorframe or door leaf, reaches the object reducing thickness and volume.
The cross section of conductive reed 4 is L shape, and its 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 be connected with doorframe 1 or door leaf 2 electrical contact, realize function of shielding.
When air pressure shield assembly is arranged on doorframe 1, on door leaf 2, the position of corresponding conductive reed 4 is provided with door leaf conductive plate 19.
When air pressure shield assembly is arranged on bottom door leaf 2, the ground below door leaf 2 is provided with ground conductive plate 10.
Cylinder piston post 17 is fixed by power transmission assembly fixed head 18 and power transmission assembly 6.Reach the object released along cylinder piston post 17 direction of motion by power transmission assembly 6, the power of cylinder piston post 17 is directly delivered on power transmission assembly 6.
Power transmission assembly 6 is strip, and its both sides contacted with flexible sealing plate 5 are also provided with the side brace panels 21 that bends and strengthen support shoulders 23, and side brace panels 21 outward flange is provided with the side brace panels wing plate 22 bent inwards.
Door leaf 2 is provided with motor 12, drive unit 13 and multiple translation assembly 14, and translation assembly 14 is provided with driven pulley 16 or driving wheel 15, and driven pulley 16 is connected with track 3 rolls, and motor 12 connects driving wheel 15 by drive unit 13.
1, high-performance air pressure shield door of the present invention is made up 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 minitype cylinder of high-performance air pressure shield door of the present invention is inflated, promote power transmission assembly, conductive reed is contacted with the shield member tight electrical on door leaf/doorframe, reaches certain pressure, realize electro-magnetic screen function.
3, be fixed on the multiple minitype cylinders on doorframe, ensure that it is highly consistent by adjustment screw, thus it be consistent to reach pressure uniform, reaches consistent electromagnetic shielding sealing effectiveness.
On the transmission component of 4, high-performance air pressure shield door of the present invention, plane is provided with elongated silicane rubber plate, plays good elastic buffer effect, ensures the uniformity of shield gasket and enough contacts.
5, high-performance air pressure shield door of the present invention adopts ultra-wide contact area and contact to design, and ensure that high shielding performance, 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:
Employing PLC can process control partially.Be equipped with electric control box, touch screen operation.
Open the door: press enabling key → venting → door leaf and doorframe disengagement → door moves on to side, stopping after putting in place.
Close the door: press key → door of closing the door move on to position after → inflation, door leaf and doorframe are electrically connected, and reach shield effectiveness.
Stop: open the door or at closing time, by stop key, door leaf can stop at an arbitrary position.
System can be automatic, also can be manual, arranges various safety device, guarantee that security of system is reliable.
Embodiment recited above is only be described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not departing under design concept prerequisite of the present invention; the various modification that in this area, common engineers and technicians make technical scheme of the present invention and improvement; all should fall into protection scope of the present invention, the technology contents of request protection of the present invention is all recorded in detail in the claims.
Claims (10)
1. a high-performance air pressure shield door, it is characterized in that comprising doorframe (1) and door leaf (2), air pressure shield assembly is provided with 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 the flexible sealing plate (5) of strip by power transmission assembly (6), flexible sealing plate (5) arranged outside conductive reed (4), conductive reed (4) is fixed on conductive frame (9), conductive frame (9) is arranged on power transmission assembly (6) outside, make under the thrust of minitype cylinder (7), power transmission assembly (6) promotes whole piece flexible sealing plate (5) and is electrically connected overall for conductive reed (4) with doorframe (1) or door leaf (2).
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, it is characterized in that described minitype cylinder (7) is communicated with cylinder ventilating pipe (8), 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) or is arranged on door leaf (2).
5. high-performance air pressure shield door according to claim 1, it is characterized in that the cross section of described conductive reed (4) is L shape, its 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, when it is characterized in that described air pressure shield assembly is arranged on doorframe (1), 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, when 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 provided 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 fixed 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 contacted with flexible sealing plate (5) are also provided with the side brace panels (21) that bends and strengthen support shoulders (23), and side brace panels (21) outward flange is provided with the side brace panels wing plate (22) bent 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 multiple translation assembly (14), translation assembly (14) is provided with driven pulley (16) or driving wheel (15), driven pulley (16) is connected with track (3) rolls, 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 CN103397840A (en) | 2013-11-20 |
| CN103397840B true CN103397840B (en) | 2015-03-04 |
Family
ID=49561535
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103397840B (en) |
Families Citing this family (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 |
| CN113969737B (en) * | 2021-06-28 | 2023-03-24 | 李志珍 | High-performance electric two-dimensional air pressure shielding wave-absorbing sliding door with radio frequency shielding layer material system |
Citations (3)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (3)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103397840A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205300259U (en) | Novel no balancing weight furnace gate operating system | |
| CN103521277B (en) | For the external door on-off structure of large-scale high-low-temperature environmental testing case | |
| CN103397840B (en) | High-performance air pressure shielding gate | |
| CN103487230A (en) | Side door device of high vacuum test chamber | |
| CN111946193A (en) | Car door glass lifter with self-protection function | |
| CN209556816U (en) | A kind of movable sill closed guard gate | |
| CN203488037U (en) | High-performance air pressure shielding door | |
| CN203334915U (en) | Sealing system for sliding door and sliding door system using sealing system | |
| CN207499730U (en) | For the hermatic door of vacuum drying oven | |
| CN101581187B (en) | Airtight shielding door | |
| CN102409945B (en) | Two-sectional electric vertical lifting type airtight electromagnetic shielding door | |
| CN210029911U (en) | Automatic material stopper | |
| CN206668246U (en) | A kind of oilfield metering device | |
| CN202325124U (en) | Two-stage electric vertical lifting type airtight electromagnetic shielding door | |
| CN214014884U (en) | Regulator cubicle convenient to heat dissipation | |
| CN212114356U (en) | High-voltage power distribution cabinet convenient to heat dissipation high stability | |
| CN212429599U (en) | Air spring and cab side door using same | |
| CN201507216U (en) | Airtight shielding door | |
| CN210264306U (en) | Lifting door mechanism for detection platform | |
| CN204310618U (en) | A kind of elevator control cabinet | |
| CN203721530U (en) | Capacitor bank grounding knife switch mechanism | |
| CN220487427U (en) | Anti-seismic civil air defense door for civil air defense engineering | |
| CN211499242U (en) | A prevention of seepage water structure for installation of elevator layer door | |
| CN206969767U (en) | A kind of single cylinder or double-cylinder horizontal entirety cleaning type car unloader | |
| CN205189685U (en) | Burglary -resisting door is with electric lift device and sliding block that have sliding block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |