CN206686230U - A kind of screening cover and mobile terminal - Google Patents
A kind of screening cover and mobile terminal Download PDFInfo
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- CN206686230U CN206686230U CN201720318305.6U CN201720318305U CN206686230U CN 206686230 U CN206686230 U CN 206686230U CN 201720318305 U CN201720318305 U CN 201720318305U CN 206686230 U CN206686230 U CN 206686230U
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- pad
- screening cover
- wiring board
- printed wiring
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Abstract
The utility model embodiment provides a kind of screening cover and mobile terminal,The screening cover is located on printed wiring board,The screening cover corresponds to the independent pad of at least one type,Wherein,Each type of independent pad is provided with an independent pad storehouse,The pad storehouse is used to be called when carrying out printed wiring board layout,With the property parameters of independent pad corresponding to the determination on printed wiring board,Due to before electronic product PCB layout designs,The one-to-one pad storehouse of independent pad of each type corresponding with screening cover is pre-established,Therefore during the PCB layout designs of reality,The corresponding with pad type of the foundation can be directly invoked to make an inventory of goods in a warehouse,Design for different electronic products or the different screening covers of the electronic product of different model does not need specific aim real-time design,But it can directly invoke,Substantially increase operating efficiency.
Description
Technical field
Mobile terminal structure part technical field is the utility model is related to, more particularly to a kind of screening cover and mobile terminal.
Background technology
With the popularization of the electronic products such as mobile terminal, electronic manufacturing industry has welcome new development opportunity, at the same time,
The consumer's also requirement more and more higher to electronic product, better quality, more frivolous electronic product, which is particularly susceptible, obtains consumer
Favor.
Produce better quality, more frivolous electronic product be unable to do without high quality, high-precision PCB (Printed
Circuit Board, printed wiring board) layout designs, it may be said that the printed wiring board layout designs inside mobile terminal are very big
Degree determines the quality of mobile terminal.
Screening cover is welded on PCB, can be used for protecting electronic product inside chip not by outside electromagnetic interference or
Mechanical failure, therefore, screening cover can be all welded with the PCB of many electronic products.
However, for the electronic product of different model and size, the shape of screening cover be all it is indefinite, generally, Wu Fazhen
The screening cover encapsulation storehouse of standard is established to screening cover, therefore, in PCB layout designs, it is necessary to be produced according to the electronics of different model
Screening cover corresponding to product real-time design, it is low that efficiency comparison during PCB layout designs is carried out in this manner.
Moreover, generally the position of pad or near zone are the larger region of PCB stress, but prior art is being shielded
During lid design, it is impossible to embody the particular location of each pad corresponding to screening cover so that designer is in PCB layout designs processes
In can not be on conscious control PCB cabling or other electronic components and pad between safe spacing, should to avoid these
The larger region of power, have impact on the total quality of product.
Utility model content
In view of the above problems, it is proposed that the utility model embodiment overcomes above mentioned problem or at least portion to provide one kind
A kind of screening cover and mobile terminal to solve the above problems with dividing.
In order to solve the above problems, the utility model embodiment discloses a kind of screening cover, and the screening cover is positioned at printing
On wiring board, the screening cover corresponds to the independent pad of at least one type, wherein, each type of independent pad is provided with one
Individual independent pad storehouse, the pad storehouse are used to be called when carrying out printed wiring board layout, with true on printed wiring board
The property parameters of independent pad corresponding to fixed.
Preferably, the pad storehouse includes pad printed wiring board packaging information and schematic diagram logic packaging information, described
Pad printed wiring board packaging information is used to the property parameters of pad show to graphically, so as in printed wiring board
It is called during figure layout, the schematic diagram logic packaging information is used to indicate that the electrical connection of pad and other electronic components is closed
System.
Preferably, each type of independent pad includes at least one independent pad.
Preferably, the property parameters comprise at least the size of the pad, at least the one of the positional information of the pad
Kind.
Preferably, the screening cover is shaped as polygon.
Preferably, the material of the screening cover is stainless steel or foreign white copper.
Preferably, the pad storehouse is additionally operable to determine the floating high height of scolding tin of the independent pad.
Preferably, the floating height is 0.05 millimeter.
Preferably, the pad storehouse is additionally operable to be called when the property parameters are changed, independently to be welded corresponding to adjustment
The position of disk or size information, avoid other fragile devices in the printed wiring board.
In order to solve the above problems, the utility model embodiment also discloses a kind of mobile terminal, the mobile terminal bag
Printed wiring board is included, the printed wiring board includes above-mentioned screening cover.
Preferably, the mobile terminal includes mobile phone, tablet personal computer, navigator or wearable device.
The utility model embodiment includes advantages below：
In the utility model embodiment, due to before electronic product PCB layout designs, having pre-established and screen
The one-to-one pad storehouse of independent pad of each type corresponding to lid is covered, therefore during the PCB layout designs of reality, can
To directly invoke the pad storehouse corresponding with pad type of the foundation, generation carries the PCB files of screening cover pad locations information,
Substantially increase the operating efficiency of PCB layout designs.
Further, by pre-establishing the one-to-one pad of independent pad of each type corresponding with screening cover
Storehouse, during PCB layout designs, the pad storehouse corresponding with pad type of the foundation can be directly invoked, for different electricity
The design of the different screening covers of sub- product or the electronic product of different model does not need specific aim real-time design, but can be straight
Calling is connect, substantially increases operating efficiency.
Further, the floating high height of scolding tin tin of the pad is set in the pad storehouse of screening cover, can be in design process
The middle floating high height of the scolding tin for determining the pad, the elevation information of the internal structure of the more preferable management and control electronic product.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below by the utility model embodiment
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of appearance schematic diagram of screening cover of the utility model embodiment；
Fig. 2 is the schematic diagram of pad corresponding to a kind of screening cover of the utility model embodiment；
Fig. 3 is a kind of PCB layouts and structure design flow chart of the utility model embodiment；
Fig. 4 is that figure shows signal in PRO-E software interactives window after a kind of PCB of the utility model embodiment is laid out
Figure；
Fig. 5 is the 3D pictorial diagrams that a kind of completion Standard of the utility model embodiment stacks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Reference picture 1, shows a kind of appearance schematic diagram of screening cover of the utility model embodiment, and the screening cover 1 can answer
For the PCB of the electronic products such as mobile terminal, other electronic components on PCB are protected not by outside electromagnetic interference or machine
Tool damages.As a kind of example, the electronic product can include but is not limited to mobile phone, palm PC (Personal Digital
Assistant, PDA), tablet personal computer, the mobile terminal product such as navigator or wearable device.
Reference picture 1, in the utility model embodiment, screening cover 1 is located on printed wiring board PCB 2, the screening cover 1
The independent pad 3 of corresponding at least one type, wherein, each type of independent pad is provided with an independent pad storehouse (figure
Not shown in), the pad storehouse is used to be called when carrying out PCB layouts, with the category of independent pad corresponding to the determination on PCB
Property parameter.
Specifically, screening cover 1 can be the structural member in a kind of electronic product, the print of electronic product can be generally welded on
On brush wiring board, to protect electronic product inside chip not by outside electromagnetic interference or mechanical failure.
In the utility model embodiment, the shape of screening cover 1 can be polygon, i.e. screening cover 1 can be a kind of shape
The indefinite polygon lid of shape, to protect the electronic component of different type and size.
In the utility model embodiment, screening cover 1 can use the metal materials such as stainless steel or foreign white copper to be made,
So that screening cover 1 has the function that to shield electromagnetic interference or resists mechanical external force.
In the utility model embodiment, screening cover 1 can be corresponding with multiple independent pads 3, in order to which screening cover is firm
Ground is welded on PCB 2, wherein independent pad refer to screening cover welding be arranged on PCB pad independent mutually.
In the utility model embodiment, independent pad corresponding to screening cover 1 can also include at least one type, every kind of
The pad of type can include one or more independent pad, so as to improve the utilization rate of PCB space and screening cover welding
Reliability of technology, wherein the type of independent pad can classify according to the shape difference of independent pad.
As a kind of example, pad shows corresponding to a kind of screening cover of the utility model embodiment shown in reference picture 2
It is intended to, the screening cover includes the independent pad 3 of three types, and difference can include 6 first kind square pads 8,6 second
Class rectangle pad 9 and 1 "T"-shaped pad 10 of the 3rd class.
In the utility model embodiment, in order that the pad for obtaining screening cover 1 can in the PCB layout designs of electronic product
To directly invoke, each type of independent pad 3 of screening cover is provided with an one-to-one independent pad therewith
Storehouse, the pad storehouse can be called when electronic product carries out PCB layouts, so as to independently be welded corresponding to being determined on PCB
The property parameters of disk.
In the utility model embodiment, the pad storehouse can at least include the PCB packaging informations of pad and schematic diagram is patrolled
Packaging information is collected, the PCB packaging informations are used to the property parameters of pad show to graphically, so as in PCB figure cloth
It is called during office；The schematic diagram logic packaging information is used for the electric connecting relation for indicating pad and other electronic components,
When carrying out PCB figure layout designs, patterned property parameters and schematic diagram the logic encapsulation can be directly invoked, is reduced
The workload of PCB figure layouts.
As a kind of example, property parameters can include at least one of size, the positional information of pad etc. of pad.
Simultaneously as pad has the floating high height of certain scolding tin during actual welding, of the present utility model one
In kind preferred embodiment, the floating high height of scolding tin tin of the pad can be set in the pad storehouse of screening cover, to design
The floating height of scolding tin of the pad is determined in journey, so as to the elevation information of the internal structure of the more preferable management and control electronic product.
In a kind of preferred embodiment of the present utility model, the floating height of scolding tin of the pad could be arranged to and pad reality
Scolding tin is highly consistent when border is welded, such as 0.05mm.
The structure of screening cover based on more than, in one embodiment, the utility model embodiment shown in reference picture 3
A kind of PCB layouts and structure design flow chart, carrying out PCB figures layout and during structure design, following flow can be included：
Step 101, early-stage preparations：Establish screening cover independence pad PCB encapsulation storehouse；
In the utility model embodiment, during PCB schemes layout preliminary preparation, establish and set and screening cover pair
One-to-one PCB encapsulation storehouse (i.e. foregoing pad storehouse) of independent pad answered.
Step 102, with dew copper copper painting canvas parts region；
Step 103, PCB layouts are carried out in region；
Step 104, screening cover pad PCB encapsulation storehouse is called along Lu Tong copper Regional Distributions；
In the utility model embodiment, when carrying out PCB figure layouts, with copper copper painting canvas parts region is revealed, in the cloth
The layout designs of PCB figures are carried out in part region, in this design process, by the PCB of the good pad of call establishment encapsulate storehouse with
And existing other PCB encapsulation storehouse, the two-dimentional PCB figures required for user can be generated, and be stored in the PCB figures of two dimension
In file, so as to later use.
Step 105, EMN＆EMP files are exported from PCB figures；
In the utility model embodiment, the two-dimentional PCB figures of generation can export EMN files and EMP files, and this is led
The EMN files and EMP files gone out contains the information substrate formed after PCB layouts and electronic component information respectively, from electronics member
It is known that the information such as the particular location and size of pad corresponding to screening cover on substrate in part information.
Step 106, structure imports EMN＆EMP files with PRO-E；
In the utility model embodiment, in follow-up structure design, the utility model embodiment shown in reference picture 4
A kind of PCB layout after figure PRO-E software interactives window show schematic diagram, the export can be identified using PRO-E softwares
EMN files and EMP files shown in the interactive window of software.
Step 107, structure builds screening cover 3D figures with PRO-E according to screening cover station pin pad；
In the utility model embodiment, on the circular foundation that Fig. 4 is shown, structure design personnel can use PRO-E soft
Part establishes the 3D figures of the screening cover shown in Fig. 1 according to the position of screening cover station pin pad (i.e. pad corresponding to screening cover).
Step 108, Standard stacks 3D figures；
In the utility model embodiment, a kind of of the utility model embodiment shown in reference picture 5 completes Standard
The 3D pictorial diagrams of stacking, after the 3D figures of screening cover have been built, it is also necessary to complete other electronic components, the knot of other structures part
Structure designs, and completes the 3D figures that Standard stacks.
Step 109, adjustment layout；
Step 110, layout areas is adjusted.
In the utility model embodiment, in above-mentioned PCB layout designs and structured design process, it is laid out when discovery
When PCB figures and/or 3D figures do not meet design requirement, the layout and layout areas of figure can be adjusted to accord with
Close design requirement.
In addition, the 3D figures that the Standard for after the completion of stacks can also use the method for finite element analysis to enter it
Whether row numerical computations, the design information that approximate calculation this document includes meet design requirement, when finding undesirable, this
Art personnel can modify to the 3D figures.
In a kind of preferred embodiment of the present utility model, the method for finite element analysis includes：Stress analysis method, heat point
At least one of analysis method, stress analysis are used to analyze the stress distribution in the 3D figures, and heat analysis is used to analyze 3D figures
Heat distribution in shape, for example, the utility model can analyze answering at pad locations corresponding to screening cover in the 3D figures
Whether power excessive, and whether fragile device adjacent thereto and pad stress raiser safe distance enough, when apart from it is inadequate when, can
To change the size of pad corresponding to screening cover or position, other fragile devices in the PCB are avoided, wherein, fragile device can
Think glass IC devices, therefore, the pad storehouse of the utility model embodiment can be additionally used in the size in pad corresponding to screening cover
Or be called during the modification of the property parameters such as position, with the position of independent pad or size information corresponding to adjustment, avoid the PCB
In other fragile devices, it is of course also possible to not change the property parameters of pad, and change the positional information of other fragile devices.
It should be noted that above-mentioned flow chart is only a kind of exemplary application of screening cover described in the utility model,
Those skilled in the art are also based on the basis of screening cover structure of the present utility model, and PCB is carried out using other flow charts
Layout and/or structure design, the utility model are not restricted to this.
In the utility model embodiment, due to before electronic product PCB layout designs, having pre-established and screen
The one-to-one pad storehouse of independent pad of each type corresponding to lid is covered, therefore during the PCB layout designs of reality, can
To directly invoke the pad storehouse corresponding with pad type of the foundation, PCB two dimension of the generation with screening cover pad locations information
Figure, and PCB X-Y scheme files are saved as, substantially increase the operating efficiency of PCB layout designs.
In the structure design of follow-up electronic product, Structure Design Software can be directly to above-mentioned PCB X-Y schemes text
Calling is identified in part, continues to establish the 3D figures of user's needs on this basis, completes the 3D figures that Standard stacks and set
Meter, due to during continuing to establish the 3D figures of user's needs, all kinds of welderings intuitively known in screening cover can be understood
Disk size, positional information, so as to which user is when establishing the 3D figures of screening cover, shielding can be accurately established according to pad locations
3D figures are covered, user can be very good to control other electronics when establishing the 3D figures of other electronic components, other structures part etc.
Element, other structures part, the safe spacing between cabling and screening cover pad on PCB, improve the designing quality of electronic product.
Further, by pre-establishing the one-to-one pad of independent pad of each type corresponding with screening cover
Storehouse, during PCB layout designs, the pad storehouse corresponding with pad type of the foundation can be directly invoked, for different electricity
The design of the different screening covers of sub- product or the electronic product of different model does not need specific aim real-time design, but can be straight
Calling is connect, substantially increases operating efficiency.
Further, the 3D figures stacked by the Standard for calling the pad storehouse to design can also be had in real time
Finite element analysis, the design problem found to finite element analysis can be made adjustment in time, also improve operating efficiency and quality.
Further, the floating high height of scolding tin tin of the pad is set in the pad storehouse of screening cover, can be in design process
The middle floating high height of the scolding tin for determining the pad, the elevation information of the internal structure of the more preferable management and control electronic product.
In addition, the invention also discloses a kind of mobile terminal, the mobile terminal includes PCB, and the PCB includes foregoing
The screening cover of embodiment.
In a kind of preferred embodiment of the present utility model, the mobile terminal include mobile phone, tablet personal computer, navigator or
Wearable device.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model embodiment scope.
Finally, it is to be noted that, herein, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or terminal device including a series of elements not only include
Those key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's terminal device.In the absence of more restrictions, the key element limited by sentence "including a ...",
It is not precluded from other identical element in the process including the key element, method, article or terminal device being also present.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
The protection domain asked is defined.
Claims (11)
1. a kind of screening cover, it is characterised in that the screening cover is located on printed wiring board, and the screening cover is corresponding at least one
The independent pad of type, wherein, each type of independent pad is provided with an independent pad storehouse, and the pad storehouse is used for
Be called during printed wiring board layout, with the property parameters of independent pad corresponding to the determination on printed wiring board.
2. screening cover according to claim 1, it is characterised in that the pad storehouse includes pad printed wiring board encapsulation letter
Breath and schematic diagram logic packaging information, the pad printed wiring board packaging information are used for the property parameters pad with figure side
Formula shows, and to be called when printed wiring board figure is laid out, the schematic diagram logic packaging information is used to indicate to weld
The electric connecting relation of disk and other electronic components.
3. screening cover according to claim 1 or 2, it is characterised in that each type of independent pad is included at least
One independent pad.
4. screening cover according to claim 1 or 2, it is characterised in that the property parameters comprise at least the pad
At least one of size, the positional information of the pad.
5. screening cover according to claim 1 or 2, it is characterised in that the screening cover is shaped as polygon.
6. screening cover according to claim 1 or 2, it is characterised in that the material of the screening cover is that stainless steel or ocean are white
Copper.
7. screening cover according to claim 1 or 2, it is characterised in that the pad storehouse is additionally operable to determine the independent weldering
The floating high height of the scolding tin of disk.
8. screening cover according to claim 7, it is characterised in that the floating height is 0.05 millimeter.
9. screening cover according to claim 1 or 2, it is characterised in that the pad storehouse is additionally operable in the property parameters
It is called during modification, with the position of independent pad or size information corresponding to adjustment, it is easy avoids other in the printed wiring board
Millstone part.
10. a kind of mobile terminal, it is characterised in that the mobile terminal includes printed wiring board, and the printed wiring board includes
Screening cover as described in claim any one of 1-9.
11. mobile terminal according to claim 10, it is characterised in that the mobile terminal includes mobile phone, flat board electricity
Brain, navigator or wearable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720318305.6U CN206686230U (en) | 2017-03-29 | 2017-03-29 | A kind of screening cover and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720318305.6U CN206686230U (en) | 2017-03-29 | 2017-03-29 | A kind of screening cover and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN206686230U true CN206686230U (en) | 2017-11-28 |
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ID=60391238
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720318305.6U Active CN206686230U (en) | 2017-03-29 | 2017-03-29 | A kind of screening cover and mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN206686230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495465A (en) * | 2018-03-28 | 2018-09-04 | 四川斐讯信息技术有限公司 | A kind of shielding case encapsulation creation method and create system |
-
2017
- 2017-03-29 CN CN201720318305.6U patent/CN206686230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495465A (en) * | 2018-03-28 | 2018-09-04 | 四川斐讯信息技术有限公司 | A kind of shielding case encapsulation creation method and create system |
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