CN203488037U - High-performance air pressure shielding door - Google Patents
High-performance air pressure shielding door Download PDFInfo
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- CN203488037U CN203488037U CN201320512179.XU CN201320512179U CN203488037U CN 203488037 U CN203488037 U CN 203488037U CN 201320512179 U CN201320512179 U CN 201320512179U CN 203488037 U CN203488037 U CN 203488037U
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- air pressure
- pressure shield
- door
- door leaf
- conductive
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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). An air pressure shielding assembly is arranged between the door frame (1) and the door leaf (2). The air pressure shielding assembly comprises a conductive spring piece (4), a flexible sealing plate (5), a force transmission assembly (6), a micro cylinder (7) and a conductive framework (9). The high-performance air pressure shielding door ensures shielding effectiveness of a wide frequency band and is wide in application range. The full band of the electromagnetic shielding field can be covered by a simple shielding door structure, and design requirements of various shielding doors are met. The requirement of large shielding doors for power tests is met, and the requirement of the national army standard and anechoic chamber shielding doors is met. The high-performance air pressure shielding door can be shifted and lifted electrically or manually, allows frequency conversion stepless speed regulation, and can stop suddenly. A safety anti-clamping device is arranged, electric interlocking is achieved, operation is conducted through a touch screen, and operation is convenient and visual.
Description
Technical field
The utility model 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 that solves electromagnetic shielding chamber movable gap shielding.
Background technology
Existing airtight shielding door exists following defect
1, air bag is this 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 conductive reed contact inconsistent, greatly affected shielding properties.
2, there is problem of aging in air bag, follows the string after aging and easily break, 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, because the air-capacitor amount of air bag is large, 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, whole air bag need to be lifted down, and take a lot of work, increase maintenance cost.
6, the air bag after inflation is large to shaped steel active force, need to select the shaped steel that specification is large, 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 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.
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 purpose of this utility model is to provide a kind of high-performance vapour-pressure type shield door, by a plurality of minitype cylinders that are positioned on doorframe, is driven, and power transmission assembly, by the shield member electrical connection on conductive reed and door leaf, reaches shielding requirements.
The technical solution of the utility model is:
A kind of high-performance air pressure shield door, comprise doorframe 1 and door leaf 2, between doorframe 1 and door leaf 2, be provided with air pressure shield assembly, 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 by conductive reed 4 of whole piece flexible sealing plate 5.
Described flexible sealing plate 5 is silicane rubber plate.
On described minitype cylinder 7, be communicated with cylinder ventilating pipe 8, 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 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.
When described 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 described air pressure shield assembly is arranged on door leaf 2 bottom, the ground of door leaf 2 belows is provided 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 are also 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 bending 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, and driven pulley 16 is connected with rolling on track 3, and motor 12 connects driving wheels 15 by drive unit 13.
The beneficial effects of the utility model are:
1) the desirable renewal product that high-performance air pressure shield door of the present utility model is gasbag-type shield door, has overcome the many disadvantages of air bag shield door.
2) high-performance air pressure shield door of the present utility model adopts modular design it is more suitable in industrialization, has obvious economic benefit.
3) high-performance air pressure shield door of the present utility model has guaranteed the shield effectiveness of wide-band, 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 the requirement of GB, army's mark and anechoic chamber, shield door simultaneously.
4) high-performance air pressure shield door of the present utility model 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 utility model adopts vapour-pressure type reed shielding construction, in special conductive reed, power transmission assembly is set, after door is closed, cylinder charge, power transmission assembly drives conductive reed and shield member electrical connection, reach shielding object, after venting, cylinder, power transmission assembly and conductive reed reset, door leaf and doorframe disengagement, door leaf moves to assigned address, in opening.
6) high-performance air pressure shielding gate open of the present utility model is overregulated cylinder pressure, has regulated the contact of conductive reed, guarantees that 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 utility model 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 utility model is high, than gasbag-type, has improved hundreds of times, and 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 utility model has overcome 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 utility model, 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 utility model has obvious economic benefit, and simple in structure, reliability is high, and maintenance cost is very low, cost-saved 25% left and right.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is side of the present utility model sectional structure schematic diagram.
Fig. 3 is the structural representation of air pressure shield assembly of the present utility model.
Fig. 4 is the structural representation of power transmission assembly of the present utility model.
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.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As Fig. 1 to 4, a kind of high-performance air pressure shield door, comprise doorframe 1 and door leaf 2, between doorframe 1 and door leaf 2, be provided with air pressure shield assembly, 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 by conductive reed 4 of whole piece flexible sealing plate 5.
On minitype cylinder 7, be communicated with cylinder ventilating pipe 8, 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.
Air pressure shield assembly is arranged on doorframe 1 or is arranged on door leaf 2.The utility model structure is small and exquisite, can be directly installed in the channel-section steel of doorframe or door leaf, reaches the object that reduces thickness and volume.
The cross section of conductive reed 4 is L shaped, 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 contacts, 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 door leaf 2 bottom, the ground of door leaf 2 belows is provided with ground conductive plate 10.
1, high-performance air pressure shield door of the present utility model 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 utility model, promote power transmission assembly, by 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, by adjustment screw, guarantee that it is highly consistent, thereby reach pressure uniformity, reach consistent electromagnetic shielding sealing effectiveness.
4, on the transmission component of high-performance air pressure shield door of the present utility model 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 utility model 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 utility model, course of action:
Adopt PLC process control partially.Be equipped with electric control box, touch screen operation.
Open the door: press throw off → door of open the door key → venting → door leaf and doorframe and move on to a side, after putting in place, stop.
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, by 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 preferred embodiment of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design concept prerequisite; various modification and improvement that in this area, common engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model, the technology contents that the utility model is asked for protection is all documented in claims.
Claims (10)
1. a high-performance air pressure shield door, it is characterized in that comprising doorframe (1) and door leaf (2), between doorframe (1) and door leaf (2), be provided with air pressure shield assembly, 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 by 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 being communicated with cylinder ventilating pipe (8) on described minitype cylinder (7), 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) above 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, 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, 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 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 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) are also 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) bending 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 |
|---|---|---|---|
| CN201320512179.XU CN203488037U (en) | 2013-08-21 | 2013-08-21 | High-performance air pressure shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512179.XU CN203488037U (en) | 2013-08-21 | 2013-08-21 | High-performance air pressure shielding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488037U true CN203488037U (en) | 2014-03-19 |
Family
ID=50258876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512179.XU Withdrawn - After Issue CN203488037U (en) | 2013-08-21 | 2013-08-21 | High-performance air pressure shielding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397840A (en) * | 2013-08-21 | 2013-11-20 | 常州新区金利达电子有限公司 | High-performance air pressure shielding gate |
-
2013
- 2013-08-21 CN CN201320512179.XU patent/CN203488037U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397840A (en) * | 2013-08-21 | 2013-11-20 | 常州新区金利达电子有限公司 | High-performance air pressure shielding gate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20150304 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20150304 |
|
| RGAV | Abandon patent right to avoid regrant |