CN103442545A - Door-opening shielding device of magnetic shielding equipment case/ cabinet - Google Patents
Door-opening shielding device of magnetic shielding equipment case/ cabinet Download PDFInfo
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- CN103442545A CN103442545A CN2013103861667A CN201310386166A CN103442545A CN 103442545 A CN103442545 A CN 103442545A CN 2013103861667 A CN2013103861667 A CN 2013103861667A CN 201310386166 A CN201310386166 A CN 201310386166A CN 103442545 A CN103442545 A CN 103442545A
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Abstract
The invention provides a door-opening shielding device of a magnetic shielding equipment case/ cabinet. The door-opening shielding device of the magnetic shielding equipment case/ cabinet comprises a cabinet body and an equipment installation framework arranged in the cabinet body, the cabinet body and the equipment installation framework are connected to form a closed equipotential body, and the door-opening shielding device of the magnetic shielding equipment case/ cabinet further comprises conductive fabric arranged between the equipment installation framework and the inner surface of the cabinet body and a shielding spring leaf assembly arranged on the mounting flange surfaces of the equipment installation framework. The shielding spring leaf assembly comprises an upper shielding spring leaf, a lower shielding spring leaf, a left shielding spring leaf and a right shielding spring leaf, wherein the upper shielding spring leaf is arranged on the upper framework mounting flange surface of the equipment installation framework, the lower shielding spring leaf is arranged on the lower framework mounting flange surface of the equipment installation framework, and the left shielding spring leaf and the right shielding spring leaf are arranged on framework mounting flange surfaces of the two sides of the equipment installation framework respectively. The door-opening shielding device of the magnetic shielding equipment case/ cabinet is simple in structure, can be directly improved on an ordinary metal equipment cabinet, has good electromagnetic shielding effectiveness, does not influence the operation of the equipment in the equipment case/ cabinet, and has no influence on the operation performance and heat dissipation effect of the equipment case/ cabinet and the equipment.
Description
Technical field
The present invention relates to a kind of electromagnetic shielding case/cabinet, relate in particular to a kind of screening arrangement that opens the door of magnetic screen cabinet/cabinet.
Background technology
At present the fields such as electronics, communication, test, control constantly promote the requirement of electromagnetic shielding, thereby it is more and more extensive to possess the range of application of the cabinet of electro-magnetic screen function/cabinet series products; But traditional electromagnetic shielding case/cabinet is all the mode by Integral sealing realizes the equivalent potential screen cavity that cabinet is complete, and equipment in cabinet is carried out to electromagnetic shielding; But this matching requirements cabinet/cabinet nowel/cabinet door seal in working order closes, the equipment that monitoring and operation requirements are arranged has been brought to very big inconvenience, and lost electromagnet shield effect after opening the door, can't realize that simple operation and electromagnetic shielding have both.
The solution of industry is on case/cabinet door, transfer display screen, plug receptacle and action button at present, need to do transformation and secondary operations to equipment in cabinet, the switching process complexity, design and difficulty of processing are large, and a large amount of transit lines have been increased, cause the electromagnetic interference between internal unit, disturbed the heat dissipation wind channel of cabinet/cabinet, serviceability and life-span are all had to certain influence.
Summary of the invention
In order to solve existing technical problem in the above-mentioned background technology, the invention provides a kind of screening arrangement that opens the door of magnetic screen cabinet/cabinet.
Technical solution of the present invention is:
The invention provides a kind of screening arrangement that opens the door of magnetic screen cabinet/cabinet, comprise cabinet and be arranged on the equipment mounting frame in cabinet, described cabinet is connected with equipment mounting frame is arranged to an airtight equipotential body, and its special character is: also comprise the shielding finger assembly on the mounting flange face that is arranged on the conductive fabric between equipment mounting frame and cabinet inner surface and is arranged on equipment mounting frame;
Described shielding finger assembly comprises shielding finger, lower shielding finger, left shielding finger, right shielding finger; Described upper shielding finger is arranged on the mounting flange face of equipment mounting frame upper frame; Described lower shielding finger is arranged on the mounting flange face of equipment mounting frame underframe; Described left shielding finger, right shielding finger are separately positioned on the mounting flange face of equipment mounting frame two body side frames;
Above-mentioned conductive fabric is compliant conductive cloth; Described conductive fabric and equipment mounting frame, cabinet inner surface adopt gluing or mode pressing to be tightly connected;
Above-mentioned shielding finger assembly is by clamping, be threaded or the bonding mounting flange face that is arranged on equipment mounting frame on.
Advantage of the present invention:
1, the present invention installs shielding finger in the mounting flange face surrounding of the equipment mounting frame of cabinet/cabinet, flexible conductive fabric sealing overlap joint is used in space between equipment mounting frame and cabinet inner surface simultaneously, equipment mounting frame and cabinet are connected into to an airtight equipotential body, to the added equipment be arranged on framework, can play good effectiveness;
2, the present invention is simple in structure, can be on the common metal rack directly transformation, can play good electromagnet shield effect, do not affect the operation of added equipment simultaneously, on the serviceability of cabinet/cabinet and equipment and radiating effect without impact.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is partial structurtes schematic diagram of the present invention;
Fig. 3 is lower shielding finger mounting structure schematic diagram of the present invention;
Fig. 4 is left shielding finger mounting structure schematic diagram of the present invention.
Fig. 5 is conductive fabric syndeton schematic diagram of the present invention;
Wherein: 1-cabinet, 2-equipment mounting frame, 3-conductive fabric, the upper shielding finger of 4-, shielding finger under 5-, the left shielding finger of 6-, the right shielding finger of 7-, 8-mounting flange face.
Embodiment
The invention provides a kind of screening arrangement that opens the door of magnetic screen cabinet/cabinet, comprise cabinet 1 and be arranged on the equipment mounting frame in cabinet 1, described cabinet 1 is connected with equipment mounting frame 2 is arranged to an airtight equipotential body, and its special character is: also comprise the shielding finger assembly on the mounting flange face 8 that is arranged on the conductive fabric 3 between equipment mounting frame 2 and cabinet 1 inner surface and is arranged on equipment mounting frame 2;
Described shielding finger assembly comprises shielding finger 4, lower shielding finger 5, left shielding finger 6, right shielding finger 7; Described upper shielding finger 4 is arranged on the mounting flange face 8 of equipment mounting frame 2 upper frames; Described lower shielding finger 5 is arranged on the mounting flange face 8 of equipment mounting frame 2 underframes; Described left shielding finger 6, right shielding finger 7 are separately positioned on the mounting flange face 8 of 2 liang of body side frames of equipment mounting frame;
Above-mentioned conductive fabric 3 is compliant conductive cloth; Described conductive fabric 3 and equipment mounting frame 2, cabinet 1 inner surface adopt gluing or mode pressing to be tightly connected;
Above-mentioned shielding finger assembly is by clamping, be threaded or the bonding mounting flange face 8 that is arranged on equipment mounting frame 2 on.
The object of the present invention is to provide the cabinet/cabinet of the added equipment of a kind of handled easily electromagnetic screen that opens the door, be mainly used in the cabinet of the cabinets such as shock absorption case/cabinet and equipment mounting frame separate type/cabinet series products.
1, structure explanation
The present invention installs shielding finger in mounting flange face 8 surroundings of the equipment mounting frame of cabinet/cabinet, flexible conductive fabric 3 sealing overlap joints are used in space between equipment mounting frame 2 and cabinet 1 inner surface simultaneously, equipment mounting frame 2 and cabinet 1 are connected into to an airtight equipotential body, to the added equipment be arranged on framework, can play good effectiveness.
Upper and lower shielding finger on equipment mounting frame 2 is arranged on the inner surface up and down of framework near mounting flange face 8 places, upper surface or lower surface and this reed overlap joint when added equipment inserts; Upper and lower shielding finger is installed by draw-in groove, screw or gluing form.
Left and right shielding finger on equipment mounting frame 2 is arranged on mounting flange face 8 both sides of framework, and when added equipment inserts, the installation panel inboard is pressed on flange face, with this reed overlap joint; Upper and lower reed is installed by draw-in groove, screw or gluing form.
2, execution mode
As shown in Figure 1, cabinet/cabinet is comprised of cabinet and equipment mounting frame, and flexible conductive fabric 3 sealing overlap joints are used in space between the two, do not allow to exist gap or leak.Upper and lower shielding finger is arranged on the inner surface up and down of equipment mounting frame 2 near mounting flange face 8 places, upper surface or lower surface and transverse shielding reed overlap joint when added equipment inserts; Left and right shielding finger is arranged on mounting flange face 8 both sides of equipment mounting frame 2, and when added equipment inserts, the installation panel inboard is pressed on mounting flange face 8, with left and right shielding finger overlap joint.
Advantage of the present invention is simple in structure, can be on the common metal rack directly transformation, can play good electromagnet shield effect, do not affect the operation of added equipment simultaneously, on the serviceability of cabinet/cabinet and equipment and radiating effect without impact.
Claims (3)
1. the screening arrangement that opens the door of a magnetic screen cabinet/cabinet, comprise cabinet and be arranged on the equipment mounting frame in cabinet, described cabinet is connected with equipment mounting frame is arranged to an airtight equipotential body, it is characterized in that: also comprise the shielding finger assembly on the mounting flange face that is arranged on the conductive fabric between equipment mounting frame and cabinet inner surface and is arranged on equipment mounting frame;
Described shielding finger assembly comprises shielding finger, lower shielding finger, left shielding finger, right shielding finger; Described upper shielding finger is arranged on the mounting flange face of equipment mounting frame upper frame; Described lower shielding finger is arranged on the mounting flange face of equipment mounting frame underframe; Described left shielding finger, right shielding finger are separately positioned on the mounting flange face of equipment mounting frame two body side frames.
2. the screening arrangement that opens the door of magnetic screen cabinet/cabinet according to claim 1, it is characterized in that: described conductive fabric is compliant conductive cloth; Described conductive fabric and equipment mounting frame, cabinet inner surface adopt gluing or mode pressing to be tightly connected.
3. the screening arrangement that opens the door of magnetic screen cabinet/cabinet according to claim 1 is characterized in that: described shielding finger assembly is by clamping, be threaded or the bonding mounting flange face that is arranged on equipment mounting frame on.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2013103861667A CN103442545A (en) | 2013-08-29 | 2013-08-29 | Door-opening shielding device of magnetic shielding equipment case/ cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013103861667A CN103442545A (en) | 2013-08-29 | 2013-08-29 | Door-opening shielding device of magnetic shielding equipment case/ cabinet |
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CN103442545A true CN103442545A (en) | 2013-12-11 |
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CN2013103861667A Pending CN103442545A (en) | 2013-08-29 | 2013-08-29 | Door-opening shielding device of magnetic shielding equipment case/ cabinet |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107889439A (en) * | 2017-06-19 | 2018-04-06 | 广州汇安科技有限公司 | A kind of low-and high-frequency electromagnetic screen with shockproof function |
CN108052189A (en) * | 2018-01-11 | 2018-05-18 | 苏州赫瑞特智控科技股份有限公司 | A kind of cabinet of industrial personal computer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898595A (en) * | 1970-11-02 | 1975-08-05 | Cunningham Corp | Magnetic printed circuit |
CN201039603Y (en) * | 2007-03-29 | 2008-03-19 | 西门子(中国)有限公司 | Electromagnetic shielding cabinet |
CN203423899U (en) * | 2013-08-29 | 2014-02-05 | 陕西海泰电子有限责任公司 | Door-opening shielding device of magnetic shielding case/cabinet |
-
2013
- 2013-08-29 CN CN2013103861667A patent/CN103442545A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898595A (en) * | 1970-11-02 | 1975-08-05 | Cunningham Corp | Magnetic printed circuit |
CN201039603Y (en) * | 2007-03-29 | 2008-03-19 | 西门子(中国)有限公司 | Electromagnetic shielding cabinet |
CN203423899U (en) * | 2013-08-29 | 2014-02-05 | 陕西海泰电子有限责任公司 | Door-opening shielding device of magnetic shielding case/cabinet |
Non-Patent Citations (1)
Title |
---|
王连坡 茅文深: ""电磁屏蔽技术在结构设计中的应用"", 《舰船电子工程》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107889439A (en) * | 2017-06-19 | 2018-04-06 | 广州汇安科技有限公司 | A kind of low-and high-frequency electromagnetic screen with shockproof function |
CN107889439B (en) * | 2017-06-19 | 2019-11-19 | 广州汇安科技有限公司 | A kind of low-and high-frequency electromagnetic screen with shockproof function |
CN108052189A (en) * | 2018-01-11 | 2018-05-18 | 苏州赫瑞特智控科技股份有限公司 | A kind of cabinet of industrial personal computer |
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Application publication date: 20131211 |
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WD01 | Invention patent application deemed withdrawn after publication |