CN105636419A - Single shielding cover - Google Patents
Single shielding cover Download PDFInfo
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- CN105636419A CN105636419A CN201510531301.1A CN201510531301A CN105636419A CN 105636419 A CN105636419 A CN 105636419A CN 201510531301 A CN201510531301 A CN 201510531301A CN 105636419 A CN105636419 A CN 105636419A
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- mask frame
- screening cover
- monomer
- radome
- described mask
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Abstract
The invention discloses a single shielding cover. The single shielding cover comprises a shielding frame, a shielding cover, and a tilted hole, wherein the shielding frame is formed by a closed annular enclosing wall; the shielding cover is arranged on the inner side wall of the top of the shielding frame in a plastic pressing manner through a stamping die semi-shearing process for covering the opening in the top of the shielding frame; and the tilted hole is formed in a preset region on the top cover surface of the shielding cover and provided with a preset shape. The single shielding cover provided by the invention is simple in structure; the included shielding frame and the shielding cover are arranged with an integral structure, so that the design and production process is simplified, and the cost is lowered; and meanwhile, the problem of low bracket strength and low flatness caused by the reason that the existing bracket is designed in a hollow-out manner for removing partial materials is solved, so that the risk of insufficient soldering in patching by an SMT (surface mount technology) is lowered.
Description
Technical field
The invention belongs to electromagnetic shielding device design field, particularly relate to a kind of monomer radome.
Background technology
At present, in electron trade, for preventing the radome that electromagnetic interference adopts to be generally assembling radome, with reference to Fig. 1, assemble radome and include separate support 1 and lid 2, corresponding removal design of material has been carried out in the middle of support 1, for adopting SMT (SurfaceMountTechnology, surface mounting technology) carry out paster, realize being assembled to support 1 PCB (the PrintedCircuitBoard at device place to be shielded, printed circuit board) upper time, empty avoiding components and parts; With reference to the assembling button bit figure shown in Fig. 2, support 1 and be respectively designed with the buckle structure matched on lid 2, both can pass through snap assembled together.
There are the following problems for existing assembling radome: need to be split as support and two comparatively independent parts of lid separately design, and needs, according to the layout of components and parts on mainboard, support is removed design of material, designs complex; Owing to needing to remove material empty avoiding components and parts in the middle of support, causing that support intensity is weak, flatness is poor, and then causes adopting the risk that there is rosin joint during SMT paster; When being processed, it is necessary to open two molds, and lid needs manually to fasten on support, relatively costly.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of monomer radome, it is intended to overcome the above-mentioned various problems that existing assembling radome exists, to simplify design and production technology, to save cost.
For this, the following technical scheme of disclosure:
A kind of monomer radome, including:
The mask frame being made up of the annular enclosure wall body of a Guan Bi;
Utilizing diel half shearing process, plasticity is pressed on the inside top wall of described mask frame, it is achieved the screening cover that the open top of described mask frame is covered;
Be opened in described screening cover top capping predeterminable area, there is preset shape stick up hole.
Above-mentioned monomer radome, it is preferred that the material of described mask frame and screening cover adopts any one in ocean copper-nickel alloy or tin plating steel band.
Above-mentioned monomer radome, it is preferred that the top surface of described screening cover is raised in the top surface of described mask frame, wherein,
When the material of described mask frame and screening cover adopts ocean copper-nickel alloy C7521, the top surface of described screening cover is raised in the semishearing height h=0.13mm of described mask frame top surface;
When the material of described mask frame and screening cover adopts tin plating steel band, described semishearing height h meets: 0.16mm��h��0.17mm.
Above-mentioned monomer radome, it is preferred that the material thickness T=0.2mm of described mask frame and described screening cover.
Above-mentioned monomer radome, it is preferred that the top of described mask frame has the binder of default binder width, described binder width B >=0.5mm.
Above-mentioned monomer radome, it is preferred that described screening cover has drift angle, then described predeterminable area is the default top corner regions on the capping of described screening cover top.
Above-mentioned monomer radome, it is preferred that described in stick up the generally circular in shape of hole.
Above-mentioned monomer radome, it is preferred that after described screening cover is peeled off from described mask frame, adopts Copper Foil as new screening cover, fits in described mask frame top.
Above-mentioned monomer radome, it is preferred that also include:
Stretch the solder side of design to mask frame wall outer side direction bottom described mask frame.
By above scheme it can be seen that the application provides a kind of monomer radome, described monomer radome includes: the mask frame being made up of the annular enclosure wall body of a Guan Bi; Utilizing diel half shearing process, plasticity is pressed on the inside top wall of described mask frame, it is achieved the screening cover that the open top of described mask frame is covered; And be opened in described screening cover top capping predeterminable area, there is preset shape stick up hole. The monomer shielding case structure of the application is simple, it mask frame included and screening cover are structure as a whole, simplify design and production technology, reduce cost, simultaneously, solve existing support because design of material need to be removed, and the support intensity that causes is weak, flatness this problem of difference, reduce rosin joint risk during SMT paster.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the support and the cap structure schematic diagram that assemble radome in prior art;
Fig. 2 is the support and the lid buckle structure schematic diagram that assemble radome;
Fig. 3 is the monomer shielding case structure schematic diagram that the embodiment of the present invention one provides;
Fig. 4 is the monomer radome cross-sectional view that the embodiment of the present invention one provides;
Fig. 5 (a)-Fig. 5 (e) is the screening cover stripping process schematic diagram that the embodiment of the present invention one provides;
Fig. 5 (f) is the schematic diagram of the Copper Foil of fitting at mask frame top that the embodiment of the present invention one provides;
Fig. 6 is the monomer shielding case structure schematic diagram that the embodiment of the present invention two provides;
Fig. 7 is the monomer radome cross-sectional view that the embodiment of the present invention two provides.
Detailed description of the invention
For the purpose of quoting and know, the technical term that is used below, write a Chinese character in simplified form or summary of abridging is explained as follows:
Diel half shearing process: clamp-on tablet one side with punching pin, forces material to flow into opposite pit to form a kind of Sheet Metal Forming Technology of projection; Plastic deformation has been there is, so when being subject to shear action, material is easily peeled out due to material cross-section.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
The open a kind of monomer radome of the present embodiment one, with reference to the shielding case structure schematic diagram shown in Fig. 3, described monomer radome may include that
The mask frame 301 being made up of the annular enclosure wall body of a Guan Bi;
Utilizing diel half shearing process, plasticity is pressed on the inside top wall of described mask frame 301, it is achieved the screening cover 302 that the open top of described mask frame 301 is covered;
Be opened in described screening cover 302 predeterminable area, there is preset shape stick up hole 303.
Consider the maintenance requirements by shielding components and parts on PCB, the application specifically adopts diel half shearing process, one piece of region quick detachable, that peel off is processed in advance at the top of described mask frame 301, form a screening cover 302 that the open top of described mask frame 301 can be covered, the described concrete plasticity of screening cover 302 is pressed on the inside top wall of described mask frame 301, and the top surface of described screening cover 302 is raised in the top surface of described mask frame 301.
The raw material of mask frame 301 and screening cover 302 can adopt ocean copper-nickel alloy, also can adopt price relatively low compared to ocean copper-nickel alloy (substantially the half of ocean copper-nickel alloy price), and the good tin plating steel band of solderability, for instance specifically can adopt tin plating steel band RM-CRS1008 or CRS1010.
With reference to the monomer radome cross-sectional view shown in Fig. 4, the top of described mask frame 301 has the binder of default binder width numerical value, the top surface adopting the screening cover 302 of diel semishearing processes formation is raised in the top surface of described mask frame 301, wherein, bossing, namely the h in Fig. 4 is called semishearing height, and the B in figure represents the binder width of mask frame 301, T represents that the material of mask frame 301 and screening cover 302 is thick, and namely the material of described monomer radome is thick.
In identical material thickness situation, the numerical value of semishearing height h is more big, screening cover 302 is more easy to be peeled off from mask frame 301, in order to meet the dismoutability of screening cover 302, and avoid the stripping naturally of screening cover 302 in normal use procedure, under current process conditions, the material thickness T of described monomer radome, semishearing height h and binder width generally need to meet following condition:
T=0.2mm;
H=0.13mm (raw material of monomer radome selects ocean copper-nickel alloy C7521);
0.16mm��h��0.17mm (raw material of monomer radome selects tin plating steel band);
B��0.5mm��
What offer preset shape on the top surface of described screening cover 302 sticks up hole 303, can when the components and parts shielded need repairing, synergism is provided from stripping screening cover 302 mask frame 301 for technical staff, the shape sticking up hole 303 can by technical staff according to actual demand sets itself, in the present embodiment, stick up hole 303 and be specially circle.
When described screening cover 302 has drift angle, with reference to Fig. 3, the present embodiment preferably sticks up, by described, the top corner regions that hole 303 is opened on the capping of screening cover 302 top, with to a greater degree for peeling off screening cover offer facility.
Specifically, with reference to Fig. 5 (a)-Fig. 5 (e) screening cover stripping process schematic diagram shown. When needing the components and parts shielded are keeped in repair, technical staff can adopt crow bar to exert a force to sticking up hole 303, pries open the one of screening cover 302 jiao, and is peeled off mask frame 301 by screening cover 302 on this basis.
After having keeped in repair, with reference to Fig. 5 (f), one block of Copper Foil of can fitting at mask frame 301 top, the open top of mask frame 301 is sealed, to realize shielding action. Wherein, Copper Foil has low surface oxygen species, it is possible to be attached to various different substrate materials, such as metal, insulant etc., has wider temperature and uses scope, be mainly used in electromagnetic shielding and antistatic.
Compared to the assembling radome of prior art, the monomer radome of the application is less costly, it is assumed for example that main board failure rate is x%, then the actual expense saved is:
Reality can save expense=mainboard total amount �� (100%-x%) �� (assembling radome unit price-monomer radome unit price).
By above scheme it can be seen that the application provides a kind of monomer radome, described monomer radome includes: the mask frame being made up of the annular enclosure wall body of a Guan Bi; Utilizing diel half shearing process, plasticity is pressed on the inside top wall of described mask frame, it is achieved the screening cover that the open top of described mask frame is covered; And be opened in described screening cover top capping predeterminable area, there is preset shape stick up hole. The monomer shielding case structure of the application is simple, it mask frame included and screening cover are structure as a whole, simplify design and production technology, reduce cost, simultaneously, solve existing support because design of material need to be removed, and the support intensity that causes is weak, flatness this problem of difference, reduce rosin joint risk during SMT paster.
Embodiment two
With reference to Fig. 6, in the present embodiment, described monomer radome also includes: stretch the solder side 304 of design bottom described mask frame to mask frame wall outer side direction.
After adding solder side 304, the cross-section structure of monomer radome is concrete as shown in Figure 7.
This kind of design of the present embodiment has that easily upper stannum, intensity is good, good airproof performance, it is easy to carries out SMT paster, avoid the advantages such as rosin joint.
In sum, compared to the combination radome of prior art, the monomer radome of the application has saving material, saves cost, simplifies design and production technology and be easy to the advantages such as dismounting and maintenance; And compared to prior art owing to lid is comparatively weak, in maintenance process yielding, and cause the situation of scrapping of lid, and then the problem causing impact use, the application when carrying out detachable maintaining owing to being directly change material, maintenance process will not produce inventory disposal situation, is absent from the problem that impact uses.
It should be noted that each embodiment in this specification all adopts the mode gone forward one by one to describe, what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
For convenience of description, it is divided into various module or unit to be respectively described with function when describing system above or device. Certainly, the function of each unit can be realized in same or multiple softwares and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to the application and realize. Based on such understanding, the part that prior art is contributed by the technical scheme of the application substantially in other words can embody with the form of software product, this computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
Finally, it can further be stated that, in this article, the relational terms of such as first, second, third and fourth or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially. And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a monomer radome, it is characterised in that including:
The mask frame being made up of the annular enclosure wall body of a Guan Bi;
Utilizing diel half shearing process, plasticity is pressed on the inside top wall of described mask frame, it is achieved the screening cover that the open top of described mask frame is covered;
Be opened in described screening cover top capping predeterminable area, there is preset shape stick up hole.
2. monomer radome according to claim 1, it is characterised in that the material of described mask frame and screening cover adopts any one in ocean copper-nickel alloy or tin plating steel band.
3. monomer radome according to claim 2, it is characterised in that the top surface of described screening cover is raised in the top surface of described mask frame, wherein,
When the material of described mask frame and screening cover adopts ocean copper-nickel alloy C7521, the top surface of described screening cover is raised in the semishearing height h=0.13mm of described mask frame top surface;
When the material of described mask frame and screening cover adopts tin plating steel band, described semishearing height h meets: 0.16mm��h��0.17mm.
4. monomer radome according to claim 3, it is characterised in that the material thickness T=0.2mm of described mask frame and described screening cover.
5. monomer radome according to claim 4, it is characterised in that the top of described mask frame has the binder of default binder width, described binder width B >=0.5mm.
6. monomer radome according to claim 1, it is characterised in that described screening cover has drift angle, then described predeterminable area is the default top corner regions on the capping of described screening cover top.
7. monomer radome according to claim 1, it is characterised in that described in stick up the generally circular in shape of hole.
8. monomer radome according to claim 1, it is characterised in that also include: after described screening cover is peeled off from described mask frame, for fitting in the described mask frame top Copper Foil as new screening cover.
9. monomer radome according to claim 1, it is characterised in that also include:
Stretch the solder side of design to mask frame wall outer side direction bottom described mask frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531301.1A CN105636419A (en) | 2015-08-26 | 2015-08-26 | Single shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531301.1A CN105636419A (en) | 2015-08-26 | 2015-08-26 | Single shielding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105636419A true CN105636419A (en) | 2016-06-01 |
Family
ID=56050743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510531301.1A Pending CN105636419A (en) | 2015-08-26 | 2015-08-26 | Single shielding cover |
Country Status (1)
| Country | Link |
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| CN (1) | CN105636419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506737A (en) * | 2016-11-07 | 2017-03-15 | 努比亚技术有限公司 | A kind of shield assembly and mobile terminal |
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| CN2560100Y (en) * | 2002-03-25 | 2003-07-09 | 宣得股份有限公司 | Antimagnetic metal cover removing device |
| CN2891595Y (en) * | 2006-04-07 | 2007-04-18 | 刘启泰 | Improved anti-magnetic metal cover structure |
| US20070121309A1 (en) * | 2005-11-30 | 2007-05-31 | Hon Hai Precision Ind. Co., Ltd. | Shielding device |
| CN101730459A (en) * | 2008-10-17 | 2010-06-09 | 深圳富泰宏精密工业有限公司 | Shielding case and manufacturing method thereof |
| CN101742895A (en) * | 2008-11-25 | 2010-06-16 | 富士康(昆山)电脑接插件有限公司 | Shielding structure of electronic device |
| CN201557361U (en) * | 2009-11-18 | 2010-08-18 | 宇龙计算机通信科技(深圳)有限公司 | Shielding case |
| CN202160378U (en) * | 2011-06-30 | 2012-03-07 | 深圳富泰宏精密工业有限公司 | Shield cover and shield cover component |
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2015
- 2015-08-26 CN CN201510531301.1A patent/CN105636419A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560100Y (en) * | 2002-03-25 | 2003-07-09 | 宣得股份有限公司 | Antimagnetic metal cover removing device |
| US20070121309A1 (en) * | 2005-11-30 | 2007-05-31 | Hon Hai Precision Ind. Co., Ltd. | Shielding device |
| CN2891595Y (en) * | 2006-04-07 | 2007-04-18 | 刘启泰 | Improved anti-magnetic metal cover structure |
| CN101730459A (en) * | 2008-10-17 | 2010-06-09 | 深圳富泰宏精密工业有限公司 | Shielding case and manufacturing method thereof |
| CN101742895A (en) * | 2008-11-25 | 2010-06-16 | 富士康(昆山)电脑接插件有限公司 | Shielding structure of electronic device |
| CN201557361U (en) * | 2009-11-18 | 2010-08-18 | 宇龙计算机通信科技(深圳)有限公司 | Shielding case |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106506737A (en) * | 2016-11-07 | 2017-03-15 | 努比亚技术有限公司 | A kind of shield assembly and mobile terminal |
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Application publication date: 20160601 |
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