CN201393360Y - Reed pad for magnetic shielding - Google Patents
Reed pad for magnetic shielding Download PDFInfo
- Publication number
- CN201393360Y CN201393360Y CN200920000515U CN200920000515U CN201393360Y CN 201393360 Y CN201393360 Y CN 201393360Y CN 200920000515 U CN200920000515 U CN 200920000515U CN 200920000515 U CN200920000515 U CN 200920000515U CN 201393360 Y CN201393360 Y CN 201393360Y
- Authority
- CN
- China
- Prior art keywords
- liner
- reed
- mentioned
- electromagnetic shielding
- pad
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a reed pad for magnetic shielding, which is characterized in that the pad is made of conductive metal thin material, and is arranged on a contact surface of a corresponding casting case body; the pad forms a contact surface through etching, and the contact surface is appressed with the contact surface of the casting case body, and is provided with edges and vacancies corresponding to the contact surface of the case body; the contact surface of the pad is provided with a plurality of fine tooth sheets; and the pad is provided with at least one positioning hole or product assembling hole for installing the pad. The utility model can manufacture complicated shapes, and simultaneously only the tooth sheets are bent when pressing moulds, so the manufacture cost of corresponding design is low. The manufactured product can completely replace the prior dispensing products to reach good shielding property, and simultaneously is convenient for transportation, scale production and assembly, and maintenance and replacement in site. The utility model brings good selection and application to shield between the cases, particularly for large contact surfaces of aluminum casting casing bodies and the like.
Description
Technical field
The utility model relates to a kind of reed liner, relates in particular to a kind of reed liner that is used for electromagnetic shielding.
Background technology
Electromagnetic interference (EMI) refers in particular to and is present in a kind of with the electromagnetic energy form between the electronic equipment, harmful interference phenomenon that may have a negative impact to the electronic equipment operate as normal.Electromagnetic interference (EMI) can pass through the equipment room line, propagates with conduction pattern and disturbs, and this kind interference is known as the EMI Conducted Electromagnetic Interference; Or, propagate interference with the electromagenetic wave radiation form by the equipment room communal space, this kind interference is known as the EMI electromagnetic radiation and disturbs.
The frequency range that the EMI electromagnetic radiation disturbs is very extensive, by practical situation, may cover above millimere-wave band from 10MHz to 40GHz.The EMI electromagnetic radiation disturbs and adopts the method for electromagnetic shielding to be protected usually.Screen method commonly used be with electronic circuit part or closed-cell in a metal shell, between the engagement flange surface of the cover plate of housing and housing, adopt conduction and resilient electromagnetic sealing (EMI) liner, making has favorable conductive to connect between each contact-making surface, the electric current that electromagnetic interference is responded to is limited in the shallow-layer surface and by housing interfering energy is discharged into the earth, the influence that makes the electronic circuit of device interior not disturbed by the EMI electromagnetic radiation.
The kind of electromagnetic sealing (EMI) liner is a lot, and for example: the conductive fabric liner that indoor environment is commonly used, outdoor environment or high-frequency (RF) conductive rubber commonly used needs to select according to the specification requirement of different application occasion and different shielding propertiess.
The most noticeable development in recent years of electromagnetic sealing (EMI) liner is a kind of in-place molding (FIP) electromagnetic interference (EMI) shielding gasket technology that is called as.Its main feature be can be on the flange face of equipment the conductive rubber liner of the figure of straight forming complexity.This technical approach makes the direct glue chain of conductive rubber liner on flange surface, by a spot gluing equipment of being with the manipulator of X-Y-Z platform, makes the conductive rubber liner of various complicated shapes in real time.
At present, slit shielding (Shielding) between communication module, wireless module (RF) or the filtration module aluminum casting housings such as (Filter) of industries such as communication, computer, military project is extremely important, especially present high-frequency model, the processing side known to is the product application of representative with the FIP technology now.Use the spot gluing equipment of programmingization to be positioned on the contact-making surface of housing in conductor fluid glue; but the defective of this technology is conspicuous; at first the cost of fluid glue is higher; and need cryopreservation; secondly technical process needs special automation point gum machine tool; general producer does not possess this equipment; so the semi-finished product of housing need be transported to a glue producer; transporting back then; a lot of unnecessary costs have been increased; have this some housing behind the glue to need well protection again, some glue itself is damaged easily.
The utility model content
In order to overcome the disadvantage of existing dispensing technology (FIP), the utility model provides a kind of reed liner that is used for electromagnetic shielding.
A kind of reed liner that is used for electromagnetic shielding described in the utility model is characterized in that, this liner adopts the metallic conduction thin material to make, and is positioned on the contact-making surface of corresponding foundry goods housing; Liner by etching form fit with the contact-making surface of above-mentioned foundry goods housing, have corresponding to the edge of housing contact-making surface and the contact-making surface in room; Also be provided with a plurality of tiny gear pieces on the above-mentioned liner contact-making surface; Above-mentioned liner is provided with at least one location hole or product pilot hole of being used to install liner.
Above-mentioned a plurality of gear piece and insert integral moulding.
A kind of reed liner that is used for electromagnetic shielding described in the utility model upwards/ down bends and stretches the back after cutting out polylith metal thin material and forms above-mentioned a plurality of gear pieces by digging in the regional edge of concavo-convex or hollow out that forms after the liner etching.
Concavo-convex or the hollow out edges of regions that above-mentioned a plurality of gear piece forms after the liner etching is arranged according to predetermined spacing.
Above-mentioned a plurality of gear piece is gone out predetermined height by backfin, and keeps good toughness.
The material of above-mentioned liner is the stainless steel thin material.
The thickness of above-mentioned liner is 0.15mm.
The utility model can be finished the making of complicated shape, and pressing mold only need bend gear piece simultaneously, and the cost of manufacture of design is cheap relatively.Product after making can substitute existing some glue product fully, reaches good screening effectiveness, and this product is convenient to transportation simultaneously, is convenient to large-scale production and assembling, also is convenient to on-the-spot maintenance and replacing.Use the utility model will shield that shielding brings better choice and application between the housing of large contact surface such as aluminium casting housing particularly to body clearance.
Description of drawings
Fig. 1 is the structural representation of the reed liner that is used for electromagnetic shielding of the utility model one specific embodiment.
Fig. 2 is for being used for the A portion schematic diagram of the reed liner of electromagnetic shielding among Fig. 1.
Fig. 3 is the use assembling schematic diagram that is used for the reed liner of electromagnetic shielding among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.For the person of ordinary skill in the field, to the detailed description of the present utility model, above-mentioned purpose of the present utility model, feature and advantage will be apparent.
With reference to Fig. 1, be the structural representation of the reed liner that is used for electromagnetic shielding of the utility model one specific embodiment.As shown in Figure 1, a kind of reed liner 10 that is used for electromagnetic shielding, the stainless steel thin material that these liner 10 employing thickness are 0.15mm is made, liner 10 is done modular in design according to the contact-making surface 201 of housing 20, and fit by the contact-making surface 201 of (Photo Chemical Machining) etching formation of present distinctive photochemical etching technology and foundry goods housing 20, has room 202 corresponding to housing contact-making surface 201,203 contact-making surface, the hollow out zone 102 that forms after the above-mentioned liner 10 contact-making surface etchings, 103 edges also are provided with a plurality of tiny gear pieces 101, and these a plurality of gear pieces 101 are one-body molded with liner 10; The pilot hole 2001～2008 of above-mentioned liner 10 respective housings 20 is provided with the location hole 1001～1008 that is used to install liner 10.
With reference to Fig. 2, be the A portion schematic diagram of the reed liner that is used for electromagnetic shielding among Fig. 1.Can see that in Fig. 2 above-mentioned a plurality of gear pieces 101 dig to cut out for hollow out zone 102,103 edges that form after liner 10 etchings and upwards bend and stretch the back behind the polylith metal thin material and form; And 102,103 edges, hollow out zone that above-mentioned a plurality of gear piece 101 forms after liner 10 etchings are arranged according to predetermined spacing; Above-mentioned a plurality of gear piece 101 is gone out predetermined height by backfin, and keeps good toughness.
With reference to Fig. 3, be the use assembling schematic diagram of the reed liner that is used for electromagnetic shielding among Fig. 1.In conjunction with Fig. 1 to Fig. 3 as can be seen, a kind of reed liner 10 that is used for electromagnetic shielding is positioned on the contact-making surface 201 of corresponding foundry goods housing 20; Liner 10 is fitted with the contact-making surface 201 of foundry goods housing 20, the hollow out zone 102,103 that forms after the liner 10 contact-making surface etchings is corresponding to the room 202,203 of housing contact-making surface 201, and liner 10 positions by the product pilot hole 2001～2008 on location hole 1001～1008 and the housing 20; Gear piece 101 upwards bends and stretches, and 102,103 edges, hollow out zone that form after liner 10 etchings are arranged according to predetermined spacing; Above-mentioned a plurality of gear piece 101 is gone out predetermined height by backfin, and keeps good toughness.In actual applications, after placing another one housing (not shown) above the liner 10, get final product by the moment of torsion installation according to the rules of product pilot hole, tiny gear piece is gone out certain height by backfin in the liner at this moment, and maintenance better elastic, so that direct good electrical conductivity between two foundry goods housing contact-making surfaces to be provided, reach the effect of electromagnetic shielding.
Use the reed liner that is used for electromagnetic shielding of the present utility model, when guaranteeing good electrical conductivity, guaranteed the favorable mechanical performance, and the required die cost of the liner that adopts this fabrication techniques is lower, product design and the cycle of drawing a design are short, can satisfy client's design and batch demand of producing; Extremely thin owing to liner thickness simultaneously, setting pressure is little, thereby assembly performance is good, realizes single liner applications in large-scale contact surface, is convenient to buying, the installation and maintenance of material; Pressing mold only need bend gear piece simultaneously, and the cost of manufacture of design is cheap relatively; The design of this gear piece is also rather exquisite, guarantees that liner has excellent contact and conductivity; Add liner and adopt stainless steel material, possess good electrochemistry compatibility, can under rugged environment, use with most of materials.This uses, and shielding brings better choice and application between the novel housing that will shield large contact surface such as aluminium casting housing particularly to body clearance.
Though; the utility model is clearly demonstrated by above embodiment and accompanying drawing thereof; yet under the situation that does not deviate from the utility model spirit and essence thereof; the person of ordinary skill in the field works as can make various corresponding variations and correction according to the utility model, but these corresponding variations and correction all should belong to the protection range of claim of the present utility model.
Claims (7)
1. a reed liner that is used for electromagnetic shielding is characterized in that, this liner adopts the metallic conduction thin material to make, and is positioned on the contact-making surface of corresponding foundry goods housing; Liner by etching form fit with the contact-making surface of above-mentioned foundry goods housing, have corresponding to the edge of housing contact-making surface and the contact-making surface in room, also be provided with a plurality of tiny gear pieces on the above-mentioned liner contact-making surface; Above-mentioned liner is provided with at least one location hole or product pilot hole of being used to install liner.
2. a kind of reed liner that is used for electromagnetic shielding according to claim 1 is characterized in that above-mentioned a plurality of gear pieces and insert integral moulding.
3. a kind of reed liner that is used for electromagnetic shielding according to claim 2 is characterized in that, upwards/ down bends and stretches the back after cutting out polylith metal thin material and forms above-mentioned a plurality of gear pieces by digging in the regional edge of concavo-convex or hollow out that forms after the liner etching.
4. a kind of reed liner that is used for electromagnetic shielding according to claim 3 is characterized in that, the regional marginating compartment of the concavo-convex or hollow out that above-mentioned a plurality of gear pieces form after the liner etching is arranged.
5. a kind of reed liner that is used for electromagnetic shielding according to claim 4 is characterized in that, above-mentioned a plurality of gear pieces are gone out a height by backfin, and keep good toughness.
6. according to each described a kind of reed liner that is used for electromagnetic shielding among the claim 1-5, it is characterized in that the material of above-mentioned liner is the stainless steel thin material.
7. according to each described a kind of reed liner that is used for electromagnetic shielding among the claim 1-5, it is characterized in that the thickness of above-mentioned liner is 0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920000515U CN201393360Y (en) | 2009-01-05 | 2009-01-05 | Reed pad for magnetic shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920000515U CN201393360Y (en) | 2009-01-05 | 2009-01-05 | Reed pad for magnetic shielding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201393360Y true CN201393360Y (en) | 2010-01-27 |
Family
ID=41600182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920000515U Expired - Lifetime CN201393360Y (en) | 2009-01-05 | 2009-01-05 | Reed pad for magnetic shielding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201393360Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105283054A (en) * | 2014-06-10 | 2016-01-27 | 中兴通讯股份有限公司 | Radio frequency shielding device and mobile terminal |
| CN105400204A (en) * | 2015-12-24 | 2016-03-16 | 平湖阿莱德实业有限公司 | Electromagnetic shield and preparation method thereof |
| CN106916449A (en) * | 2015-12-24 | 2017-07-04 | 北京中石伟业科技股份有限公司 | A kind of electromagnetic shield and preparation method thereof |
-
2009
- 2009-01-05 CN CN200920000515U patent/CN201393360Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105283054A (en) * | 2014-06-10 | 2016-01-27 | 中兴通讯股份有限公司 | Radio frequency shielding device and mobile terminal |
| CN105400204A (en) * | 2015-12-24 | 2016-03-16 | 平湖阿莱德实业有限公司 | Electromagnetic shield and preparation method thereof |
| CN106916449A (en) * | 2015-12-24 | 2017-07-04 | 北京中石伟业科技股份有限公司 | A kind of electromagnetic shield and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201393360Y (en) | Reed pad for magnetic shielding | |
| CN103022638A (en) | Method for producing mobile terminal built-in antennas with laser direct molding technology | |
| CN105826655A (en) | Manufacturing method for improving efficiency of all-metal mobile phone three-section type type antenna | |
| CN104935695A (en) | Mobile terminal and manufacturing method thereof | |
| CN105345987B (en) | A kind of manufacture method of mobile phone center and a kind of mobile phone center | |
| KR100729708B1 (en) | A method for manufacturing a shield can of a cellular phone | |
| CN104506675B (en) | Mobile phone bottom shell grounding structure and mobile phone | |
| CN201898692U (en) | Shielding case and terminal | |
| CN201057685Y (en) | Combined die-cutting shaping-in-situ shielding gasket | |
| CN201733567U (en) | Electromagnetic shielding device with heat-dissipating function | |
| CN204119719U (en) | Radome | |
| CN101670594A (en) | Method for processing contour of flexible circuit board | |
| CN102412437A (en) | Manufacturing method of antenna | |
| CN2862358Y (en) | Ceramic antenna for mobile phone | |
| CN206196252U (en) | Screening cover and electron device | |
| CN102780079A (en) | Antenna assembly and manufacture method thereof | |
| CN204721202U (en) | A kind of high temperature resistant automation patch SMD power module | |
| CN204616236U (en) | A kind of middle frame structure | |
| CN203120376U (en) | Shielding cover plate | |
| CN205726872U (en) | The insulation crust of motor turning control unit | |
| CN102170754B (en) | Method for manufacturing circuit board with superouter fitting | |
| CN201044563Y (en) | Electromagnetism shading device | |
| CN103108534A (en) | Shielding case and preparation method thereof | |
| CN204929478U (en) | Go up panel beating product of inferior valve appearance symmetry | |
| CN205523151U (en) | Metallic shield cover material area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING JONES TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHONGSHIWEIYE TECH CO., LTD., BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100176 No. 3 East Ring Road, Beijing economic and Technological Development Zone Patentee after: Beijing Jones Co., Ltd. Address before: 100176 No. 3 East Ring Road, Beijing economic and Technological Development Zone Patentee before: Beijing Jones Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100127 |
|
| CX01 | Expiry of patent term |