CN111148387B - Electromechanical controller observation window - Google Patents
Electromechanical controller observation window Download PDFInfo
- Publication number
- CN111148387B CN111148387B CN201911283666.1A CN201911283666A CN111148387B CN 111148387 B CN111148387 B CN 111148387B CN 201911283666 A CN201911283666 A CN 201911283666A CN 111148387 B CN111148387 B CN 111148387B
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- electromechanical controller
- shell
- electromechanical
- controller
- metal net
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention belongs to the technical field of electrical control of an aircraft electromechanical system, and discloses an electric-potential-equal shielding device which is characterized in that two pieces of glass are used for clamping a metal net and arranged at a specified position of a shell of an electromechanical controller to be used as an observation window, wherein the metal net is slightly larger than the glass, the edge of the metal net exposed out of the glass is connected with the shell of the electromechanical controller through a mechanical snap spring to form a conductive path, so that an electric-potential-equal shielding body is formed, and the electric-potential-equal shielding body is grounded through the shell. The invention can solve the problem of electromagnetic compatibility of the observation window of the electromechanical controller aiming at the existing low-frequency system on the aircraft, ensures the stable work of the system, and has convenient implementation, wide adaptability and low cost.
Description
Technical Field
The invention belongs to the technical field of electrical control of an aviation electromechanical system, relates to an observation window of an electromechanical controller, and solves the problem of electromagnetic compatibility of the observation window of the electromechanical controller.
Background
The general aviation electrical control box has no observation window, but the electromechanical system electrical control box needs to be provided with the observation window to observe and check the working state of the internal mechanical components.
If the observation window only adopts common glass, the electromagnetic compatibility of the product may not meet the technical index requirements of the system. Therefore, such products need to develop a method for designing corresponding viewing window electromagnetic compatibility.
Disclosure of Invention
The purpose of the invention is: the observation window of the electromechanical controller is arranged on a low-frequency electromechanical controller shell with the working frequency not more than 20MHz on an airplane, solves the problem of electromagnetic compatibility of the electromechanical controller, enables the observation window to meet the requirement of the electromagnetic compatibility of the electromechanical controller, and is convenient to implement, low in cost and strong in anti-interference capability.
The technical scheme of the invention is as follows: providing an electromechanical controller observation window, wherein the electromechanical controller observation window is arranged on a low-frequency electromechanical controller shell with the working frequency not more than 20MHz on an airplane, and comprises a metal mesh with the mesh density of 2900 and 3100 meshes and at least one glass block; the glass block is adhered to the side surface of the metal net, and the metal net is arranged at a specified position of the shell of the electromechanical controller so as to form an observation window with electromagnetic compatibility; the metal net and the shell of the electromechanical controller form a conductive path and form an equal potential shielding body with the shell of the controller.
The mesh density of the metal mesh plays a key role in the observation effect and the shielding performance of the observation window of the electromechanical controller. The shielding performance is good when the grid density is too large, but the observation effect is not good; the grid density is too small, the observation effect is good, but the shielding performance is not good. In addition, the electromechanical controllers with different working frequencies need to adopt metal nets with different grid densities so that the observation window meets the electromagnetic compatibility requirement of the electromechanical controllers.
Furthermore, the observation window comprises two glass blocks which are respectively bonded on two opposite side surfaces of the metal net through transparent colloid; and the glass block is close to the inside of the electromechanical controller and used for protecting the metal mesh.
Further, the metal net is fixed with the shell of the electromechanical controller through a mechanical clamp spring.
Furthermore, the connecting part of the metal net and the shell of the electromechanical controller is bonded with conductive adhesive, so that the conductive capacity of the metal net and the shell of the electromechanical controller is improved.
Further, the mesh density of the metal mesh is 3000 meshes.
Further, the shape of the glass block is circular, oval or square.
Further, the glass block is aviation organic glass.
Further, the metal mesh is composed of copper wires.
The invention has the technical effects that: the invention can solve the problem of electromagnetic compatibility of the observation window of the electromechanical controller aiming at the existing low-frequency system on the aircraft, ensures the stable work of the system, and has convenient implementation, wide adaptability and low cost.
Drawings
FIG. 1 is a schematic view of a combination of glass and metal mesh structures according to the present invention.
Detailed Description
The present invention is described in further detail below.
The invention designs an observation window of an electromechanical controller based on a low-frequency electromechanical control system (the frequency is not more than 20MHz) which needs to be provided with the observation window to observe the working state of internal mechanical parts by the electromechanical controller installed in an aircraft cabin.
FIG. 1 is a schematic view of a combination of glass and metal mesh structure of the present invention, as shown in FIG. 1, in this embodiment, an observation window of an electromechanical controller is provided, which is installed on a low-frequency electromechanical controller housing with an operating frequency of not more than 20MHz on an aircraft, and comprises a metal mesh 1 with a mesh density of 2900-; the glass block 2 is adhered to the side surface of the metal net 1, and the metal net 1 is arranged at a specified position of a shell of the electromechanical controller to form an observation window with electromagnetic compatibility; the metal net and the shell of the electromechanical controller form a conductive path and form an equal potential shielding body with the shell of the controller.
The mesh density of the metal mesh plays a key role in the observation effect and the shielding performance of the observation window of the electromechanical controller. The shielding performance is good when the grid density is too large, but the observation effect is not good; the grid density is too small, the observation effect is good, but the shielding performance is not good. In addition, the electromechanical controllers with different working frequencies need to adopt metal nets with different grid densities so that the observation window meets the electromagnetic compatibility requirement of the electromechanical controllers.
Furthermore, the observation window comprises two glass blocks 2, and the glass blocks 2 are respectively bonded on two opposite side surfaces of the metal net 1 by adopting transparent colloid; the metal net 1 is sandwiched between two glass blocks 2. And the glass block is close to the inside of the electromechanical controller and used for protecting the metal mesh. The two pieces of glass may be identical in shape or may be larger or smaller.
In this embodiment, the metal mesh is fixed to the housing of the electromechanical controller by the mechanical snap spring. And the connecting part of the metal net and the shell of the electromechanical controller is bonded with conductive adhesive, so that the conductive capability of the metal net and the shell of the electromechanical controller is improved.
In this embodiment, the mesh density of the metal mesh is 3000 meshes, and the shielding performance and the observation effect of the observation window are optimal. Specifically, the metal mesh is slightly larger than the glass area and is exposed outside the glass, the edge of the metal mesh is connected with the shell of the electromechanical controller through a mechanical snap spring during installation, and is fixed by properly adding conductive adhesive to form a conductive path, the conductive path and the shell of the controller form an equipotential shield, and the equipotential shield and the shell of the controller are grounded together.
In this embodiment, the shape of the glass block is circular, oval or square. Specifically, the glass block is hardened aircraft organic glass, but may be other glass. The metal net is made of copper wires, and can be made of other metal materials.
The application scenario of this embodiment is as follows:
the application scene one: an electromechanical automatic parachute opening device for airborne troops and other tasks needs to be provided with an observation window. Before the airdrop task is executed or before people and materials board, the position, the set parachute opening time, the parachute opening height and the like of the parachute opening mechanism of the parachute opener need to be observed and checked, so that false locking and setting errors of the parachute opening time, the parachute opening height and the like are prevented.
Application scenario two: an ejection seat program controller for the tasks of ejecting and lifesaving of pilots needs to be provided with an observation window. Before the aircraft takes off, ground crew needs to observe and check the position of the unlocking mechanism of the ejection seat program controller and the setting conditions of control time, height, speed and the like so as to prevent false locking and setting errors.
Claims (4)
1. The utility model provides an electromechanical controller observation window, installs on the aircraft operating frequency is not more than 20 MHz's low frequency electromechanical controller shell, and low frequency electromechanical controller includes electromechanical automatic parachute opening ware or launches seat program controller, its characterized in that:
the observation window comprises a metal net with the grid density of 3000 meshes and at least one glass block, and the glass block is adhered to the side face of the metal net; the metal mesh is arranged at a designated position of the shell of the electromechanical controller to form an observation window with electromagnetic compatibility; the metal net and the shell of the electromechanical controller form a conductive path and form an equal potential shielding body with the shell of the controller;
the observation window comprises two glass blocks, and the glass blocks are respectively bonded to two opposite side surfaces of the metal net through transparent colloids; a glass block adjacent to the inside of the electromechanical controller for protecting the metal mesh; the metal net is fixed with the shell of the electromechanical controller through a mechanical snap spring; and the connecting part of the metal net and the shell of the electromechanical controller is bonded with conductive adhesive, so that the conductive capability of the metal net and the shell of the electromechanical controller is improved.
2. The electromechanical controller viewing window of claim 1, wherein the glass block is circular, oval or square in shape.
3. The electromechanical controller viewing window of claim 1, wherein the glass block is aircraft plexiglass.
4. The electromechanical controller viewing window of claim 1, wherein the metal mesh is comprised of copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283666.1A CN111148387B (en) | 2019-12-13 | 2019-12-13 | Electromechanical controller observation window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283666.1A CN111148387B (en) | 2019-12-13 | 2019-12-13 | Electromechanical controller observation window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111148387A CN111148387A (en) | 2020-05-12 |
| CN111148387B true CN111148387B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911283666.1A Active CN111148387B (en) | 2019-12-13 | 2019-12-13 | Electromechanical controller observation window |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1429070A (en) * | 2001-12-27 | 2003-07-09 | 张会琴 | Electromagnetic shielded observation window |
| CN2566420Y (en) * | 2002-09-10 | 2003-08-13 | 中国电子科技集团公司第三十研究所 | Shielded glass-plate with function of preventing electromagnetic radiation |
| CN2589191Y (en) * | 2002-12-23 | 2003-12-03 | 北京安方电磁屏蔽技术开发中心 | High shielding effect information leakage prevent glass |
| CN1960611A (en) * | 2006-03-28 | 2007-05-09 | 深圳市天阳谷科技发展有限公司 | Cover board arrangement for visual window |
| CN101593564A (en) * | 2008-05-29 | 2009-12-02 | 安方高科信息安全技术(北京)有限公司 | Isolate electromagnetic window and integrated monitoring platform thereof |
| CN206400420U (en) * | 2017-01-20 | 2017-08-11 | 东莞市百科模具塑料制品有限公司 | A kind of radiation prevention computer shell |
| CN207219298U (en) * | 2017-10-18 | 2018-04-10 | 苏州智博电子科技有限公司 | A kind of military computer electromagnetic shielding glass |
| CN108990403A (en) * | 2018-08-13 | 2018-12-11 | 北京梦之墨科技有限公司 | A kind of electromagnetic armouring structure |
| CN109068555A (en) * | 2018-09-18 | 2018-12-21 | 北京梦之墨科技有限公司 | A kind of electromagnetic shielding box |
| CN208410983U (en) * | 2018-06-12 | 2019-01-22 | 睿惢思工业科技（苏州）有限公司 | A kind of form electromagnetic shielding glass |
| CN109407252A (en) * | 2018-12-12 | 2019-03-01 | 中国工程物理研究院应用电子学研究所 | A kind of high electromagnetic shielding optical window and preparation method thereof |
| CN109769387A (en) * | 2019-01-21 | 2019-05-17 | 中国科学院上海光学精密机械研究所 | Utilize the multiple layer metal grid electromagnetic shielding optical window and preparation method thereof of femtosecond laser etching |
| CN209603766U (en) * | 2018-12-31 | 2019-11-08 | 常州利明屏蔽有限公司 | A kind of gas tight barrier double-open translation door |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027624A (en) * | 1983-07-22 | 1985-02-12 | Toyota Motor Corp | Window glass shielding electromagnetic radiation |
| US5670742A (en) * | 1994-02-04 | 1997-09-23 | Threshold Technologies, Inc. | EMI protected aircraft |
| CN101289287B (en) * | 2008-03-28 | 2011-07-27 | 杭州钱塘江特种玻璃技术有限公司 | Viewing glass for radio frequency electromagnetic screen and method for preparing same |
| CN102432174A (en) * | 2011-09-08 | 2012-05-02 | 中国科学院上海光学精密机械研究所 | Infrared window glass |
| CN108203091B (en) * | 2017-01-23 | 2019-01-18 | 常州富烯科技股份有限公司 | A method of continuously preparing graphene heat conducting film |
| CN108024492B (en) * | 2017-11-14 | 2019-12-06 | 中国航发北京航空材料研究院 | light high-strength electromagnetic shielding windshield glass and manufacturing method thereof |
-
2019
- 2019-12-13 CN CN201911283666.1A patent/CN111148387B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1429070A (en) * | 2001-12-27 | 2003-07-09 | 张会琴 | Electromagnetic shielded observation window |
| CN2566420Y (en) * | 2002-09-10 | 2003-08-13 | 中国电子科技集团公司第三十研究所 | Shielded glass-plate with function of preventing electromagnetic radiation |
| CN2589191Y (en) * | 2002-12-23 | 2003-12-03 | 北京安方电磁屏蔽技术开发中心 | High shielding effect information leakage prevent glass |
| CN1960611A (en) * | 2006-03-28 | 2007-05-09 | 深圳市天阳谷科技发展有限公司 | Cover board arrangement for visual window |
| CN101593564A (en) * | 2008-05-29 | 2009-12-02 | 安方高科信息安全技术(北京)有限公司 | Isolate electromagnetic window and integrated monitoring platform thereof |
| CN206400420U (en) * | 2017-01-20 | 2017-08-11 | 东莞市百科模具塑料制品有限公司 | A kind of radiation prevention computer shell |
| CN207219298U (en) * | 2017-10-18 | 2018-04-10 | 苏州智博电子科技有限公司 | A kind of military computer electromagnetic shielding glass |
| CN208410983U (en) * | 2018-06-12 | 2019-01-22 | 睿惢思工业科技（苏州）有限公司 | A kind of form electromagnetic shielding glass |
| CN108990403A (en) * | 2018-08-13 | 2018-12-11 | 北京梦之墨科技有限公司 | A kind of electromagnetic armouring structure |
| CN109068555A (en) * | 2018-09-18 | 2018-12-21 | 北京梦之墨科技有限公司 | A kind of electromagnetic shielding box |
| CN109407252A (en) * | 2018-12-12 | 2019-03-01 | 中国工程物理研究院应用电子学研究所 | A kind of high electromagnetic shielding optical window and preparation method thereof |
| CN209603766U (en) * | 2018-12-31 | 2019-11-08 | 常州利明屏蔽有限公司 | A kind of gas tight barrier double-open translation door |
| CN109769387A (en) * | 2019-01-21 | 2019-05-17 | 中国科学院上海光学精密机械研究所 | Utilize the multiple layer metal grid electromagnetic shielding optical window and preparation method thereof of femtosecond laser etching |
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| CN111148387A (en) | 2020-05-12 |
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