CN105307379A - Electrostatic protection structure and mobile terminal - Google Patents
Electrostatic protection structure and mobile terminal Download PDFInfo
- Publication number
- CN105307379A CN105307379A CN201510284502.6A CN201510284502A CN105307379A CN 105307379 A CN105307379 A CN 105307379A CN 201510284502 A CN201510284502 A CN 201510284502A CN 105307379 A CN105307379 A CN 105307379A
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- CN
- China
- Prior art keywords
- mobile terminal
- conducting element
- circuit board
- electrostatic
- protection structure
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0254—High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection ; Arrangements for regulating voltages or for using plural voltages
- H05K1/0257—Overvoltage protection
- H05K1/0259—Electrostatic discharge [ESD] protection
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Telephone Set Structure (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The embodiment of the invention provides an electrostatic protection structure, which belongs to the field of electronic equipment. The electrostatic protection structure is applied to a mobile terminal, and comprises a circuit board. A mounting surface is arranged on the circuit board, an element is arranged on the mounting surface, a conductive element is also arranged on the mounting surface, and the conductive element is electrically conducted with the circuit board. When the mobile terminal is placed on a coupling board, in the case of electrostatic interference, electrostatic interference charges are injected to the mobile terminal, under effects of skin effects, a large amount of charges are gathered on the conductive element, interference on circuit signals by static electricity is greatly reduced, and when the electrostatic charges achieve a certain degree, discharge is realized; thus, normal use of the mobile terminal can be ensured, and long-time effective protection can be realized; and the conductive element has a small size and is easily distributed in the space inside the mobile terminal.
Description
Technical field
The present invention relates to electronic device field, particularly relate to a kind of electrostatic protection structure and mobile terminal.
Background technology
Along with the development of electronic technology, the circuit design of mobile terminal and systemic-function become and become increasingly complex, and thickness also thins down.Under the effect of electrostatic interference, when mobile terminal is placed in parallel on coupling plate, mobile terminal and form the very high coupled electric field of intensity between mainboard and coupling plate, thus interfered circuit signal, affect the normal use of mobile terminal.
In order to the normal use making mobile terminal realize mobile terminal, and can by ESD and the EOS relevant authentication of industry.The electrostatic interference protection of mobile terminal in environment for use is realized mainly through two kinds of modes in prior art.The first: by increasing ESD and EOS protection device on the signal line of protected components and parts or circuit module; But because this protection device is in the process used, its performance can reduce gradually, even loses efficacy, be unfavorable for the electrostatic interference protection that mobile terminal is long-term; But also need to arrange larger space on mobile terminals to hold this protection device, add the space layout difficulty of mobile terminal inside and the product thickness of mobile terminal.It two is: by arranging sheets of conductive medium on protected components and parts, realize shielding protection; Such as by arranging large-area copper mold to realize, but this mode needs the space that takies larger, and for narrow space in mobile terminal, such layout setting is more difficult, inadvisable.
Summary of the invention
For overcoming the deficiencies in the prior art, one aspect of the present invention provides a kind of electrostatic protection structure, is applied to mobile terminal, comprising:
Be arranged on the circuit board in mobile terminal, described circuit board is provided with installed surface, described installed surface is provided with some components and parts, described installed surface is also provided with conducting element, described conducting element and described circuit board electric connection.
On the other hand, the present invention also provides a kind of mobile terminal, comprising: electrostatic protection structure as above.
The embodiment of the present invention is by the setting of conducting element; When mobile terminal is positioned over coupling plate, when being subject to electrostatic interference, electrostatic interference electric charge can be injected in mobile terminal, now, under the effect of skin effect, a large amount of electric charges can gather on conducting element, greatly reduces the interference of electrostatic to circuit signal, and electric discharge can be realized when electrostatic charge reaches certain degree, form directed effective charge discharging resisting path.Like this, the normal use of mobile terminal can not only be guaranteed, effectively protection can also be realized for a long time.Meanwhile, conducting element volume is little, is also easy to the space layout in mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the first embodiment of electrostatic protection structure of the present invention;
Fig. 2 is the schematic diagram of the second embodiment of electrostatic protection structure of the present invention;
Fig. 3 is the schematic diagram of the 3rd embodiment of electrostatic protection structure of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 1, the first embodiment of electrostatic protection structure of the present invention:
A kind of electrostatic protection structure, is applied to mobile terminal, comprises the circuit board 1 be arranged in mobile terminal, circuit board 1 is provided with installed surface 11, installed surface 11 is provided with some components and parts 2, installed surface 11 is also provided with conducting element 3, conducting element 3 and circuit board 1 electric connection.
As the preferred embodiments of the present invention, the top of conducting element 3 protrudes from each components and parts 2, gathering is made to have conducting element 3 top of a large amount of electrostatic charge away from each components and parts 2 and circuit board 1, effectively reduce electrostatic charge to the impact of circuit signal, guarantee that electrostatic protection structure of the present invention is more reliable further.
In the present embodiment, the electrostatic charge in certain limit can only be assembled due to conducting element 3, therefore, as much as possible conducting element 3 is distributed near components and parts 2, guarantee that components and parts 2 all can fall into in the scope of conducting element 3 static electricity gathered electric charge, make electrostatic protection structure of the present invention more reliable.
The shape design of conducting element 3 can have multiple, and as the preferred embodiments of the present invention, conducting element 3 is pointed, pointed tip and circuit board 1 electric connection; Further, what conducting element 3 was taper is pointed, and structure is simple, and its most advanced and sophisticated place is easier to assemble electric charge.Certain conducting element 3 can also be other shape, as long as the radial dimension of conducting element 3 reduces gradually, forms pointed.Particularly: conducting element 3 can also be the pointed etc. of spiral pointed, step-like pointed, sheet shape.
In the present embodiment, circuit board 1 is printed circuit board (PCB), and structure is simple, and application is convenient.
The embodiment of the present invention is by being provided with pointed conducting element 3 on the circuit card 1, and conducting element 3 and circuit board 1 electric connection.When mobile terminal 4 is positioned over coupling plate 5, when being subject to electrostatic interference, electrostatic interference electric charge can be injected in mobile terminal 4, is specifically injected into circuit board 1.Now, under the effect of skin effect, a large amount of electric charges can gather the tip of conducting element 3, only a small amount of CHARGE DISTRIBUTION is on the surface of circuit board 1 or components and parts 2, then the electric field strength that formed of circuit board 1 or components and parts 2 and coupling plate 5 is very little, therefore, greatly reduce the interference of electrostatic to circuit signal, and electric discharge can be realized by most advanced and sophisticated when electrostatic charge reaches certain degree, electrostatic charge be exported to coupling plate 5, form directed effective charge discharging resisting path.Like this, the normal use of mobile terminal 4 can not only be guaranteed, effectively protection can also be realized for a long time.Meanwhile, pointed conducting element 3 volume is little, is also easy to the space layout in mobile terminal 4.Wherein, conducting element 3 can be pointed metal bar; Coupling plate 5 can be the conductive plate of ground connection.
With reference to Fig. 2, the second embodiment of electrostatic protection structure of the present invention:
A kind of electrostatic protection structure, is applied to mobile terminal, comprises the circuit board 1 be arranged in mobile terminal, circuit board 1 is provided with installed surface 11, installed surface 11 is provided with some components and parts 2, installed surface 11 is also provided with conducting element 3, conducting element 3 and circuit board 1 electric connection.
As the preferred embodiments of the present invention, the top of conducting element 3 protrudes from each components and parts 2, gathering is made to have conducting element 3 top of a large amount of electrostatic charge away from each components and parts 2 and circuit board 1, effectively reduce electrostatic charge to the impact of circuit signal, guarantee that electrostatic protection structure of the present invention is more reliable further.
In the present embodiment, the electrostatic charge in certain limit can only be assembled due to conducting element 3, therefore, as much as possible conducting element 3 is distributed near components and parts 2, guarantee that components and parts 2 can fall into in the scope of conducting element 3 static electricity gathered electric charge, make electrostatic protection structure of the present invention more reliable.
The shape design of conducting element 3 can have multiple, and as the preferred embodiments of the present invention, conducting element 3 is pointed, pointed tip and circuit board 1 electric connection; Further, what conducting element 3 was taper is pointed, and structure is simple, and its most advanced and sophisticated place is easier to assemble electric charge.Certain conducting element 3 can also be other shape, as long as the radial dimension of conducting element 3 reduces gradually, forms pointed.Particularly: conducting element 3 can also be the pointed etc. of spiral pointed, step-like pointed, sheet shape.
In the present embodiment, the upper and lower surface of circuit board 1 is installed surface 11; Further, circuit board 1 is printed circuit board (PCB), and structure is simple, and application is convenient.
The embodiment of the present invention is by being provided with pointed conducting element 3 on the circuit card 1, and conducting element 3 and circuit board 1 electric connection.When mobile terminal 4 is positioned over coupling plate 5, when being subject to electrostatic interference, electrostatic interference electric charge can be injected in mobile terminal 4, is specifically injected into circuit board 1.Now, under the effect of skin effect, a large amount of electric charges can gather the tip of conducting element 3, only a small amount of CHARGE DISTRIBUTION is on the surface of circuit board 1 or components and parts 2, then the electric field strength that formed of circuit board 1 or components and parts 2 and coupling plate 5 is very little, therefore, greatly reduce the interference of electrostatic to circuit signal, and electric discharge can be realized by most advanced and sophisticated when electrostatic charge reaches certain degree, electrostatic charge be exported to coupling plate 5, form directed effective charge discharging resisting path.Like this, the normal use of mobile terminal 4 can not only be guaranteed, effectively protection can also be realized for a long time.Meanwhile, pointed conducting element 3 volume is little, is also easy to the space layout in mobile terminal 4.Wherein, conducting element 3 can be pointed metal bar; Coupling plate 5 can be the conductive plate of ground connection.
With reference to Fig. 3, the 3rd embodiment of electrostatic protection structure of the present invention:
A kind of electrostatic protection structure, is applied to mobile terminal, comprises the circuit board 1 be arranged in mobile terminal, circuit board 1 is provided with installed surface 11, installed surface 11 is provided with some components and parts 2, installed surface 11 is also provided with conducting element 3, conducting element 3 and circuit board 1 electric connection.
As the preferred embodiments of the present invention, conducting element 3 arranges the top of components and parts 2 on the circuit card 1, and namely conducting element 3 is through components and parts 2 and circuit board 1 electric connection; By the setting of said structure, the electrostatic charge that conducting element 3 is assembled, as much as possible away from each components and parts 2 and circuit board 1, significantly reduces the impact of electrostatic charge on circuit signal, guarantees that electrostatic protection structure of the present invention is more reliable further.Further, conducting element 3 is the outer surfaces being arranged on components and parts 2 top, is convenient to the fixed installation of conducting element 3.
The shape and structure of pointed conducting element 3 can have multiple, and as the preferred embodiments of the present invention, conducting element 3 is pointed, pointed tip and circuit board 1 electric connection; Further, what conducting element 3 was taper is pointed, and structure is simple, and its needle point place is easier to assemble more electric charge.Certain conducting element 3 can also be other shape, as long as the radial dimension of conducting element 3 reduces gradually, forms pointed.Particularly: conducting element 3 can also be the pointed etc. of spiral pointed, step-like pointed, sheet shape.
In the present embodiment, the upper and lower surface of circuit board 1 is installed surface 11; Further, circuit board 1 is printed circuit board (PCB), and structure is simple, and application is convenient.
The embodiment of the present invention by being provided with pointed conducting element 3 on the components and parts 2 of circuit board 1, and conducting element 3 is through components and parts 2 and circuit board 1 electric connection.When mobile terminal 4 is positioned over coupling plate 5, when being subject to electrostatic interference, electrostatic interference electric charge can be injected in mobile terminal 4, is specifically injected into circuit board 1.Now, under the effect of skin effect, a large amount of electric charges can gather the tip of conducting element 3, only a small amount of CHARGE DISTRIBUTION is on the surface of circuit board 1 or components and parts 2, then the electric field strength that formed of circuit board 1 or components and parts 2 and coupling plate 5 is very little, therefore, greatly reduce the interference of electrostatic to circuit signal, and electric discharge can be realized by most advanced and sophisticated when electrostatic charge reaches certain degree, electrostatic charge be exported to coupling plate 5, form directed effective charge discharging resisting path.Like this, the normal use of mobile terminal 4 can not only be guaranteed, effectively protection can also be realized for a long time.Meanwhile, pointed conducting element 3 volume is little, is also easy to the space layout in mobile terminal 4.Wherein, conducting element 3 can be pointed metal bar; Coupling plate 5 can be the conductive plate of ground connection.
The following is mobile terminal of the present invention:
This mobile terminal 4 comprises electrostatic protection structure as above, by the setting of electrostatic protection structure; When mobile terminal 4 is positioned over coupling plate 5, when being subject to electrostatic interference, electrostatic interference electric charge can be injected in mobile terminal 4, now, under the effect of skin effect, a large amount of electric charges can gather on conducting element 3, greatly reduces the interference of electrostatic to circuit signal, and electric discharge can be realized when electrostatic charge reaches certain degree, form directed effective charge discharging resisting path.Like this, the normal use of mobile terminal 4 can not only be guaranteed, effectively protection can also be realized for a long time.Meanwhile, conducting element volume is little, is also easy to the space layout in mobile terminal 4.
Be one or more execution modes provided in conjunction with particular content as mentioned above, do not assert that specific embodiment of the invention is confined to these explanations.Method all and of the present invention, structure etc. are approximate, identical, or for making some technology deduction or replace under concept thereof of the present invention, all should be considered as protection scope of the present invention.
Claims (10)
1. an electrostatic protection structure, be applied to mobile terminal, comprise the circuit board (1) be arranged in mobile terminal, described circuit board (1) is provided with installed surface (11), described installed surface (11) is provided with some components and parts (2), it is characterized in that, described installed surface (11) is also provided with conducting element (3), described conducting element (3) and described circuit board (1) electric connection.
2. electrostatic protection structure as claimed in claim 1, it is characterized in that, the top of described conducting element (3) protrudes from each described components and parts (2).
3. electrostatic protection structure as claimed in claim 1, is characterized in that, described conducting element (3) is near described components and parts (2) distribution.
4. electrostatic protection structure as claimed in claim 1, it is characterized in that, described conducting element (3) is arranged on the top of the components and parts (2) on described circuit board (1).
5. electrostatic protection structure as claimed in claim 1, it is characterized in that, described conducting element (3) is arranged on the outer surface of described components and parts (3).
6. electrostatic protection structure as claimed in claim 1, is characterized in that, described conducting element (3) for pointed, described pointed tip and described circuit board (1) electric connection.
7. electrostatic protection structure as claimed in claim 6, it is characterized in that, what described conducting element (3) was taper is pointed.
8. electrostatic protection structure as claimed in claim 1, it is characterized in that, the upper and lower surface of described circuit board (1) is installed surface (11).
9. electrostatic protection structure as claimed in claim 1, it is characterized in that, described circuit board (1) is printed circuit board (PCB).
10. a mobile terminal, is characterized in that, comprises the electrostatic protection structure as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284502.6A CN105307379A (en) | 2015-05-28 | 2015-05-28 | Electrostatic protection structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284502.6A CN105307379A (en) | 2015-05-28 | 2015-05-28 | Electrostatic protection structure and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105307379A true CN105307379A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510284502.6A Pending CN105307379A (en) | 2015-05-28 | 2015-05-28 | Electrostatic protection structure and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105307379A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023978A (en) * | 2017-11-29 | 2018-05-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108243599A (en) * | 2018-01-10 | 2018-07-03 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN110035600A (en) * | 2018-01-11 | 2019-07-19 | 和硕联合科技股份有限公司 | Have the circuit board of electrostatic discharge (ESD) protection mechanism and the electronic device with this circuit board |
| CN110108958A (en) * | 2019-05-08 | 2019-08-09 | 河北工业大学 | A kind of forceful electric power field device |
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| US4667401A (en) * | 1985-11-26 | 1987-05-26 | Clements James R | Method of making an electronic device using an uniaxial conductive adhesive |
| CN2747819Y (en) * | 2004-08-06 | 2005-12-21 | 上海环达计算机科技有限公司 | Printed circuit board preventing ESD |
| CN201207755Y (en) * | 2008-04-29 | 2009-03-11 | 旭达电脑（昆山）有限公司 | Static electricity conducting construction for circuit board |
| CN201781274U (en) * | 2010-07-30 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Mobile terminal and electrostatic protection circuit thereof |
| CN102214047A (en) * | 2010-04-06 | 2011-10-12 | 三星电机株式会社 | Input device for mobile communication terminal |
| CN203761671U (en) * | 2013-11-29 | 2014-08-06 | 乐视致新电子科技（天津）有限公司 | Circuit board with electrostatic protection structure |
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2015
- 2015-05-28 CN CN201510284502.6A patent/CN105307379A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667401A (en) * | 1985-11-26 | 1987-05-26 | Clements James R | Method of making an electronic device using an uniaxial conductive adhesive |
| CN2747819Y (en) * | 2004-08-06 | 2005-12-21 | 上海环达计算机科技有限公司 | Printed circuit board preventing ESD |
| CN201207755Y (en) * | 2008-04-29 | 2009-03-11 | 旭达电脑（昆山）有限公司 | Static electricity conducting construction for circuit board |
| CN102214047A (en) * | 2010-04-06 | 2011-10-12 | 三星电机株式会社 | Input device for mobile communication terminal |
| CN201781274U (en) * | 2010-07-30 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Mobile terminal and electrostatic protection circuit thereof |
| CN203761671U (en) * | 2013-11-29 | 2014-08-06 | 乐视致新电子科技（天津）有限公司 | Circuit board with electrostatic protection structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023978A (en) * | 2017-11-29 | 2018-05-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108243599A (en) * | 2018-01-10 | 2018-07-03 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN110035600A (en) * | 2018-01-11 | 2019-07-19 | 和硕联合科技股份有限公司 | Have the circuit board of electrostatic discharge (ESD) protection mechanism and the electronic device with this circuit board |
| CN110035600B (en) * | 2018-01-11 | 2020-05-19 | 和硕联合科技股份有限公司 | Circuit board with electrostatic discharge protection mechanism and electronic device with same |
| CN110108958A (en) * | 2019-05-08 | 2019-08-09 | 河北工业大学 | A kind of forceful electric power field device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |
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| RJ01 | Rejection of invention patent application after publication |