CN103079389B - A kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment - Google Patents
A kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment Download PDFInfo
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- CN103079389B CN103079389B CN201310047862.5A CN201310047862A CN103079389B CN 103079389 B CN103079389 B CN 103079389B CN 201310047862 A CN201310047862 A CN 201310047862A CN 103079389 B CN103079389 B CN 103079389B
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Abstract
The present invention provides a kind of electro-magnetic shielding cover, junctor and emitting electron equipment, comprises panel beating pedestal and screening cover; Described panel beating pedestal is the cavity of both ends open, places electronic component in chamber; Described screening cover is metal lid, and its lid mouth connects one end of described panel beating pedestal, and caping is provided with a through hole, and described through hole overhead is provided with wire. Wherein, panel beating pedestal can ensure the Rigidity and strength of electro-magnetic shielding cover, and shields through hole that caping is provided with and wire both can ensure the Signal reception of electronic component can shield again the electromagnetic radiation of through hole; Described panel beating pedestal and screening cover, structure is simple, it is easy to assembling, thus can greatly reduce complete processing difficulty and the manufacturing cost of electro-magnetic shielding cover, junctor and emitting electron equipment; Described panel beating pedestal and screening cover volume are little simultaneously, are conducive to the reduction of the size of electro-magnetic shielding cover, junctor and emitting electron equipment.
Description
Technical field
The present invention relates to electromangnetic spectrum field, particularly relate to a kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment.
Background technology
Electromagnetic shielding (electromagneticshield) refers to that large turbo-type generator End zone of stator core is shielded by the parts utilizing electro-conductive material or ferromagnetic material to make, to reduce the measure of added losses and the local pyrexia caused in structural part by stator winding end leakage field. The isolation of metal is carried out, to control electric field, magnetic field and hertzian wave by a region to the induction in another region and radiation between communication aspects shielding is exactly to two area of space. Specifically, it is surrounded with the interfering source of shielding by component, circuit, subassembly, cable or whole system exactly, prevents interfere with electromagnetic field to external diffusion; With shielding, receiving circuit, equipment or system are surrounded, prevent them to be subject to the impact of external electromagnetic field.
Along with the development of unicircuit, more and more miniaturized electronic devices, such as pointer etc., be used widely, and the electronic component of these electronicss more needs shield electromagnetic interference, to improve signal transmission performance.
But, electro-magnetic shielding cover of the prior art generally adopts spraying electric conduction paint, paste Copper Foil, aluminium foil etc., add metal plate punching and become shielding case type, the assembling complicated, difficult of the manufacturing cost height of this kind of electro-magnetic shielding cover, complete processing, difficult location, simple shape, volume be big, hinders the size of reduction electronics, can not meet miniaturized electronic devices to the requirement of electro-magnetic shielding cover and electromagnetic shielding junctor.
Consequently, it is desirable to a kind of new electro-magnetic shielding cover, junctor and a kind of emitting electron equipment, to avoid above-mentioned defect.
Summary of the invention
It is an object of the invention to provide a kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment.
For solving the problem, the present invention provides a kind of electro-magnetic shielding cover, comprises panel beating pedestal and screening cover; Described panel beating pedestal is the cavity of both ends open, places electronic component in chamber; Described screening cover is metal lid, and its lid mouth connects one end of described panel beating pedestal, and caping is provided with a through hole, and described through hole overhead is provided with wire.
Further, one end port that described panel beating pedestal connects described lid mouth is provided with multiple claw, is connected the lid mouth of described screening cover by described claw.
Further, described panel beating pedestal is provided with the weldering pin for connecting a circuit card away from one end port of described lid mouth.
Further, described panel beating pedestal is connected to a circuit card away from one end of described lid mouth by connecting lead wire.
Further, described screening cover is spring loaded or net cover type structure.
Further, described wire and described caping are one-body molded.
Further, described panel beating pedestal is circular cylindrical cavity or Polygons cavity.
The present invention also provides a kind of junctor, comprises one of above-mentioned electro-magnetic shielding cover.
The present invention also provides a kind of emitting electron equipment, comprises one of above-mentioned electro-magnetic shielding cover and the phototube being placed in the chamber of the pedestal of described electro-magnetic shielding cover.
Further, described emitting electron equipment is pointer.
Compared with prior art, electro-magnetic shielding cover provided by the invention, junctor and emitting electron equipment, comprise panel beating pedestal and screening cover; Described panel beating pedestal is the cavity of both ends open, places electronic component in chamber; Described screening cover is metal lid, and its lid mouth connects one end of described panel beating pedestal, and caping is provided with a through hole, and described through hole overhead is provided with wire. Wherein, panel beating pedestal can ensure the Rigidity and strength of electro-magnetic shielding cover, and shields through hole that caping is provided with and wire both can ensure the Signal reception of electronic component can shield again the electromagnetic radiation of through hole; Described panel beating pedestal and screening cover, structure is simple, it is easy to assembling, thus can greatly reduce complete processing difficulty and the manufacturing cost of electro-magnetic shielding cover, junctor and emitting electron equipment; Described panel beating pedestal and screening cover volume are little simultaneously, are conducive to the reduction of the size of electro-magnetic shielding cover, junctor and emitting electron equipment.
Accompanying drawing explanation
Fig. 1 is the electro-magnetic shielding cover structural representation of the specific embodiment of the invention;
Fig. 2 is the right view of the electro-magnetic shielding cover shown in Fig. 1.
Embodiment
The core concept of the present invention is open a kind of electro-magnetic shielding cover, junctor and emitting electron equipment, comprises panel beating pedestal and screening cover; Described panel beating pedestal is the cavity of both ends open, places electronic component in chamber; Described screening cover is metal lid, and its lid mouth connects one end of described panel beating pedestal, and caping is provided with a through hole, and described through hole overhead is provided with wire. Wherein, panel beating pedestal can ensure the Rigidity and strength of electro-magnetic shielding cover, and shields through hole that caping is provided with and wire both can ensure the Signal reception of electronic component can shield again the electromagnetic radiation of through hole; Described panel beating pedestal and screening cover, structure is simple, it is easy to assembling, thus can greatly reduce complete processing difficulty and the manufacturing cost of electro-magnetic shielding cover, junctor and emitting electron equipment; Described panel beating pedestal and screening cover volume are little simultaneously, are conducive to the reduction of the size of electro-magnetic shielding cover, junctor and emitting electron equipment.
For making object, the feature of the present invention become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described, but, the present invention can realize by different forms, it should not thinks and is just confined to described embodiment.
Please refer to Fig. 1 and Fig. 2, the present embodiment provides a kind of electro-magnetic shielding cover, comprises panel beating pedestal 1 and screening cover 2. Wherein, described panel beating pedestal 1 is the cavity of both ends open, can place electronic component in chamber; Described screening cover 2 is spring loaded metal lid structure, and its lid mouth connects one end of described panel beating pedestal 1, and caping is provided with a through hole 6, and described through hole 6 overhead is provided with wire 3.
In the present embodiment, described panel beating pedestal 1 connects one end port that screening cover 2 covers mouth and is provided with multiple claw 4, such as equally distributed three claws shown in Fig. 1 and Fig. 2, claw 4 can be integrated with described panel beating pedestal 1, can also be welded on panel beating pedestal by weldprocedure, panel beating pedestal 1 is firmly firmly grasped screening cover 2 by claw 4 and is covered mouth, it is achieved panel beating pedestal 1 is fixedly connected with screening cover 2.
In the present embodiment, described panel beating pedestal 1 is circular cylindrical cavity structure, the electronic component that cavity space is followed an example and placed with inside, simple for structure compact, overall volume is little, it is possible to by panel beating mould molding, can ensureing the Rigidity and strength that the electro-magnetic shielding cover of formation is certain, structure is simple, reliable. One end port that panel beating pedestal 1 covers mouth away from screening cover 2 is provided with integrated weldering pin 5, it is possible to be welded on circuit card.
In other embodiments of the invention, panel beating pedestal 1 can also be connected on circuit card by connecting lead wire away from one end of described lid mouth. Panel beating pedestal 1 can also be Polygons cavity, and namely its transverse section is Polygons, such as trilateral, rectangle, hexagon etc.
The mating shapes of the shape of described screening cover 2 and the electronic component of panel beating pedestal 1 and inside is advisable. In the present embodiment, described screening cover 2 coordinates the circular cylindrical cavity structure of panel beating pedestal 1, it is preferable to dome columnar structure, has certain adaptivity, suitably can be out of shape according to the electronic component that inside is placed, to evade inclination, the long problem of size of internal electronic element. Described dome columnar structure can be a kind of round end column spring structure shown in Fig. 1 and Fig. 2, is assemblied on panel beating pedestal 1 by claw. Round end column spring structure can adopt spring mode to make, and simply easily shaping, complete processing is low. There is circular hole 6 on shielding case 2 top, circular hole 6 is through hole, light can pass through from hole, to ensure that the electronic components such as inner sensor can accept optical signal, wire 3 is arranged at circular hole 6 top, and to shield the electromagnetic radiation at circular hole 6 place, wire 3 can circular steel wire, can be one-body molded with described shielding case 2, it is also possible to be connected to by the mode welded or mount on the through hole of caping of shielding case 2.
In the present embodiment, the inside of the whole product that screening cover 2 and panel beating pedestal 1 are assembled into is a cylindrical interior cylinder (Fig. 2), electronic component (such as phototube) only needs the motion in a direction, can load from panel beating pedestal 1 tail end (namely covering one end of mouth away from screening cover 2), and screening cover 2 caping screens can be passed through, it is achieved the advantage of easily assembling, easily location.
In other embodiments of the invention, screening cover 2 can also be net cover type metal lid (structure being namely interwoven by wire), it is preferably round end column net cover type structure, its manufacturing process compares round end column spring structure relative complex, but can realize the function of above-mentioned round end column net cover type structure equally.
The present invention also provides a kind of junctor, comprises one of above-mentioned electro-magnetic shielding cover.
The present invention also provides a kind of emitting electron equipment, comprises one of above-mentioned electro-magnetic shielding cover and the phototube being placed in the chamber of the pedestal of described electro-magnetic shielding cover. Described emitting electron equipment is such as the pointer supporting with plasma television, and described electro-magnetic shielding cover is positioned at the written position of described pointer.
In sum, electro-magnetic shielding cover provided by the invention, junctor and emitting electron equipment, comprise panel beating pedestal and screening cover; Described panel beating pedestal is the cavity of both ends open, places electronic component in chamber; Described screening cover is metal lid, and its lid mouth connects one end of described panel beating pedestal, and caping is provided with a through hole, and described through hole overhead is provided with wire. Wherein, panel beating pedestal can ensure the Rigidity and strength of electro-magnetic shielding cover, and shields through hole that caping is provided with and wire both can ensure the Signal reception of electronic component can shield again the electromagnetic radiation of through hole; Described panel beating pedestal and screening cover, structure is simple, it is easy to assembling, thus can greatly reduce complete processing difficulty and the manufacturing cost of electro-magnetic shielding cover, junctor and emitting electron equipment; Described panel beating pedestal and screening cover volume are little simultaneously, are conducive to the reduction of the size of electro-magnetic shielding cover, junctor and emitting electron equipment.
Obviously, invention can be carried out various change and modification and not depart from the spirit and scope of the present invention by the technician of this area. Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these change and modification.
Claims (9)
1. an electro-magnetic shielding cover, it is characterised in that, comprise panel beating pedestal and screening cover; Described panel beating pedestal is the cavity of both ends open, places electronic component in chamber; Described screening cover is metal lid, and its lid mouth connects one end of described panel beating pedestal, and caping is provided with a through hole, and described through hole overhead is provided with wire; The net cover type structure that described screening cover is round end column spring structure or is interwoven by wire.
2. electro-magnetic shielding cover as claimed in claim 1, it is characterised in that, one end port that described panel beating pedestal connects described lid mouth is provided with multiple claw, is connected the lid mouth of described screening cover by described claw.
3. electro-magnetic shielding cover as claimed in claim 1, it is characterised in that, described panel beating pedestal is provided with the weldering pin for connecting a circuit card away from one end port of described lid mouth.
4. electro-magnetic shielding cover as claimed in claim 1, it is characterised in that, described panel beating pedestal is connected to a circuit card away from one end of described lid mouth by connecting lead wire.
5. electro-magnetic shielding cover as claimed in claim 1, it is characterised in that, described wire and described caping are one-body molded.
6. electro-magnetic shielding cover as according to any one of claim 1 to 5, it is characterised in that, described panel beating pedestal is circular cylindrical cavity or Polygons cavity.
7. a junctor, it is characterised in that, comprise the electro-magnetic shielding cover according to any one of claim 1 to 6.
8. an emitting electron equipment, it is characterised in that, the phototube comprising the electro-magnetic shielding cover according to any one of claim 1 to 6 and being placed in the chamber of the pedestal of described electro-magnetic shielding cover.
9. emitting electron equipment as claimed in claim 8, it is characterised in that, described emitting electron equipment is pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047862.5A CN103079389B (en) | 2013-02-06 | 2013-02-06 | A kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047862.5A CN103079389B (en) | 2013-02-06 | 2013-02-06 | A kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment |
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| Publication Number | Publication Date |
|---|---|
| CN103079389A CN103079389A (en) | 2013-05-01 |
| CN103079389B true CN103079389B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310047862.5A Active CN103079389B (en) | 2013-02-06 | 2013-02-06 | A kind of electro-magnetic shielding cover, junctor and a kind of emitting electron equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10168804B2 (en) * | 2015-09-08 | 2019-01-01 | Apple Inc. | Stylus for electronic devices |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034155A (en) * | 1976-04-19 | 1977-07-05 | Telautograph Corporation | Electrical sensing writing pen |
| CN1606064A (en) * | 2003-10-09 | 2005-04-13 | 阿尔卑斯电气株式会社 | Magnetic head device, magnetic tape recording reproducing device and method for covering outer induction field |
| CN101876858A (en) * | 2010-05-11 | 2010-11-03 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic pen capable of automatically opening and closing |
| CN102231088A (en) * | 2009-10-20 | 2011-11-02 | 鸿富锦精密工业（深圳）有限公司 | Touch pen |
| CN203086919U (en) * | 2013-02-06 | 2013-07-24 | 青岛歌尔声学科技有限公司 | Electromagnetic shielding cover, connector and light-emitting electronic equipment |
-
2013
- 2013-02-06 CN CN201310047862.5A patent/CN103079389B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034155A (en) * | 1976-04-19 | 1977-07-05 | Telautograph Corporation | Electrical sensing writing pen |
| CN1606064A (en) * | 2003-10-09 | 2005-04-13 | 阿尔卑斯电气株式会社 | Magnetic head device, magnetic tape recording reproducing device and method for covering outer induction field |
| CN102231088A (en) * | 2009-10-20 | 2011-11-02 | 鸿富锦精密工业（深圳）有限公司 | Touch pen |
| CN101876858A (en) * | 2010-05-11 | 2010-11-03 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic pen capable of automatically opening and closing |
| CN203086919U (en) * | 2013-02-06 | 2013-07-24 | 青岛歌尔声学科技有限公司 | Electromagnetic shielding cover, connector and light-emitting electronic equipment |
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| CN103079389A (en) | 2013-05-01 |
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