CN1842257A - Electronic device with release electrostatic structure - Google Patents
Electronic device with release electrostatic structure Download PDFInfo
- Publication number
- CN1842257A CN1842257A CN 200510060180 CN200510060180A CN1842257A CN 1842257 A CN1842257 A CN 1842257A CN 200510060180 CN200510060180 CN 200510060180 CN 200510060180 A CN200510060180 A CN 200510060180A CN 1842257 A CN1842257 A CN 1842257A
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- CN
- China
- Prior art keywords
- main body
- electronic installation
- key main
- circuit substrate
- earth point
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- Elimination Of Static Electricity (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to an electrical device with releasing electrostatic structure which comprises a press key body, a switch element, a discharging conductor, an earth point and a circuit base plate. The switch element is fixed on the circuit base plate. The press key body is fixed on the switch element. The earth point is formed on the circuit base plate used to connect the earth. The discharging conductor is extended to the side of the press key body, when the press key body is pressed, the end of the discharging conductor can near or touch the earth point.
Description
Technical field
The present invention relates to a kind of electronic installation, particularly a kind of electronic installation with release electrostatic structure.
Background technology
In various electronic installations and product numerous and confused digitized today, button is not to use one of most important communication interface between person and the electronic installation always, because it has input fast and convenient or the like advantage, so in systems such as personal computer, mobile phone and electronic dictionary for example, can see the trace of button.
Because button is very general at last in the past, and its structure is very not complicated yet, so be unlikely to produce too big problem in the use.But because along with the electronic component improvement of Manufacturing Technology, the volume of electronic product can be done littler and littler, but has also produced some problems in the use, wherein a kind of is the problem of static.
Having illustrated the structure of general common electronic installation 100 in Fig. 1, mainly is to add that by a key main body 102 switch element 104 is constituted.Wherein, key main body 102 is exactly to touch the interface portion of electronic installation for the user, so its top has a flat surfaces mostly for user's contact.Key main body 102 can be installed in a switch element 104 tops, and this switch element 104 generally can utilize push-button switch to realize, and can be installed in that (printed circuit board is PCB) on and so on the circuit substrate 106 just like printed circuit board (PCB).The circuit element 108 that other is still arranged on circuit substrate 106.
In the middle of basic electrical principles, can learn, on the mankind's health, more or less all have the electric charge that some are called as static.So when the user touches electronic installation 100, having some static unavoidably can move in the middle of electronic installation 100, especially now many electronic products are for asking attractive in appearance and durable, the capital is coated with the layer of metal material with for example plating or the general mode of sputter on the surface of key main body 102, so, more quickened static moving toward electronic installation 100.
As previously discussed, the volume of advanced electronic product is more and more littler, the arrangement of its internal circuit element 108 is also more and more intensive, other the circuit element 108 so these static that flow into electronic installations 100 are easy to flow through, and then the destruction of causing circuit element 108.Shown in the path among Fig. 1 110.Contacted the upper surface of key main body 102 as the user after, user's static on one's body just flows to the circuit element 108 that is positioned at equally on the circuit substrate 106 along discharge path 110 immediately, can cause the damage of circuit element 108 when this phenomenon is serious.
Therefore, produce, use a kind of static of stopping to make it flow to the method for other circuit at present for preventing such result.Just can around key main body 102 and switch element 104, coat the nonconducting plastic material of one deck (not shown in the drawings), polyester (Mylar) plastics for example will be in order to stopping on this plastic material from the static that the user flow into electronic installation 100 on one's body.
But, utilizing the mode of stopping is not a basic solution after all, because when the quantity of static was accumulated to a certain degree, plastic material still had the possibility that never can resist, and static is poured out quickly, and cause the destruction of static to other circuit elements 108.Therefore, comprehensive above discussion can be known, for a kind of electronic installation that can thoroughly solve electrostatic breakdown, be that actual demand is arranged.
Summary of the invention
Therefore, main purpose of the present invention just provides a kind of electronic installation with release electrostatic structure.
For reaching above-mentioned purpose of the present invention, electronic installation proposed by the invention has a key main body, a switch element, discharge conductor, an earth point and a circuit substrate.Wherein this switch element is installed on this circuit substrate, and this key main body then is installed on this switch element.This earth point is formed on this circuit substrate, in order to be connected with the earthing potential of system.This discharge conductor extends from the side of this key main body, and when this key main body was pressed, the end of this discharge conductor was understood approaching or touched this earth point.
Specifically, the electronic installation with release electrostatic structure provided by the invention comprises: a circuit substrate; At least one switch element is arranged at the surface of this circuit substrate; At least one key main body is installed on this switch element top; At least one discharge conductor, a side of this key main body is extended certainly; And at least one earth point, be formed on this circuit substrate, wherein, when this key main body is depressed, can make this discharge conductor close to the direction of this circuit substrate.
According to electronic installation of the present invention, wherein when this key main body was depressed, this discharge conductor touched this earth point.
According to electronic installation of the present invention, wherein this circuit substrate is a printed circuit board (PCB).
According to electronic installation of the present invention, wherein this switch element is a push-button switch.
According to electronic installation of the present invention, wherein a surface of this key main body has a metal material.
According to electronic installation of the present invention, wherein this discharge surface of conductors has a metal material.
According to electronic installation of the present invention, also comprise the surface that at least one circuit element is arranged at this circuit substrate, wherein when this key main body was depressed, the air line distance between this discharge conductor and this earth point can be short than this air line distance of discharging between conductor and this circuit element.
Electronic installation of the present invention utilizes the mode of conducting, and the electrostatic guide that may hurt circuit element is to earth point, thereby avoids the destruction of static to each electronic component in the product.
Description of drawings
Fig. 1 is general known electronic installation structural side view.
Fig. 2 is the electronic installation structural side view of an embodiment according to the invention.
Fig. 3 is the electronic installation structure vertical view of an embodiment according to the invention.
Wherein, description of reference numerals is as follows:
100: electronic installation 102: key main body
104: switch element 106: circuit substrate
108: circuit element 110: path
200: electronic installation 202: key main body
204: switch element 206: circuit substrate
208: circuit element 210: the discharge conductor
212: earth point 214: path
302: key main body 304: the discharge conductor
306: earth point 308: circuit element
310: the first distances 312: second distance
Embodiment
Static has damage capability for each electronic component in the product.Especially be that static enters the main path in the electronic product with the keyboard in the electronic product, but general known static is stopped the problem that structure can't be eradicated static effectively and brought.Therefore, basic conception of the present invention is to utilize the mode of conducting, and the electrostatic guide that may hurt circuit element is to earth point, to avoid the destruction of static for each electronic component in the product.
Fig. 2 has illustrated the structure chart of the electronic installation 200 that meets one embodiment of the invention.Wherein circuit substrate 206 is a substrate whole or the portions of electronics system, so the electronic installation that design has at least one circuit element and combined by key main body 202 and switch element 204 is gone up on its surface.Represent the part that is close to key main body 202 and switch element 204 on the circuit substrate 206 with circuit element 208 at this.
In general, switch element 204 is push-button switches.And the key main body 202 of being installed on the switch element 204 is to be used for the usefulness that contacts for the user, so its top generally all can have a flat surfaces.For improving the attractive in appearance and durability of electronic installation 200, the surface of key main body 202 also often is coated with metal material.
When the user pushed button main body 202, the related switch element 204 of pressing of meeting changed switch element 204 states.But user's static on one's body may be also can be when the user when contacting with key main body 202, enters circuit substrate 206 along key main body 202, and then influence or destroy the circuit element 208 of circuit substrate 206.Therefore, in electronic installation 200, special design has a discharge conductor 210, enters the static of keying body 202 in order to guiding.In the present embodiment, discharge conductor 210 can extend from the side or the bottom of keying body 202, makes when keying body 202 is pressed, and the part of discharge conductor 210 can be near to or in contact with circuit substrate 206.In the present embodiment, in circuit substrate 206 and discharge conductor 210 near or contacted partial design form an earth point 212.Wherein earth point 212 can be connected with the system earth current potential on the circuit substrate 206.
Through so design, after the user pushes button main body 202, the part of discharge conductor 210 can with earth point 212 near or contact, at this moment, between user and earth point 212, can form a path 214.And just can be 214 be discharged into earth point 212 along the path from user's static on one's body.So even can not fed through to by static near the circuit element 208 of switch element 204 yet.
At discharge conductor 210 explanation is proposed at this.At first, there is no any restriction,, therefore, can utilize metal or surface coated that the material of metal realize the discharging function of conductor 210 is arranged as long as can the conducting electric current for the material of discharge conductor 210.In addition, do not have any special restriction, only otherwise the regular event that influences key main body 202 and switch element 204 gets final product for discharge shape of conductor 210 and the position that is positioned on the key main body 202 yet.
On practical design, after the user pushed button main body 202, the end of discharge conductor 210 was not must touch earth point 212, but earth point 212 must be positioned at the position of contiguous discharge conductor 210.Fig. 3 has illustrated the vertical view of the electronic installation of another embodiment according to the invention.The conductor 304 that wherein discharges extends from key main body 302, but when key main body 302 was pressed, discharge conductor 304 but can not touch earth point 306.Suppose that circuit element 308 is also near key main body 302, in this case, as long as first distance 310 between discharge conductor 304 and the earth point 306 also can reach the effect of guiding static less than the second distance 312 between discharge conductor 304 and the circuit element 308.
Utilize such characteristic, have in set among the electronic installation of a plurality of key main body 302, be not that an earth point 306 must all be set near each key main body 302, also can allow a plurality of key main body 302 share an earth point 306, as long as this earth point 306 is near these discharge conductors 304.
Though the present invention discloses as above with a preferred embodiment; but it is not in order to qualification the present invention, any those of ordinary skill in the art, without departing from the spirit and scope of the present invention; can do various changes and retouching, so protection scope of the present invention is looked appended claim and is defined and be as the criterion.
Claims (7)
1. electronic installation with release electrostatic structure comprises:
One circuit substrate;
At least one switch element is arranged at the surface of this circuit substrate;
At least one key main body is installed on this switch element top;
At least one discharge conductor, a side of this key main body is extended certainly; And
At least one earth point is formed on this circuit substrate,
Wherein, when this key main body is depressed, can make this discharge conductor close to the direction of this circuit substrate.
2. electronic installation as claimed in claim 1 is characterized in that when this key main body is depressed this discharge conductor touches this earth point.
3. electronic installation as claimed in claim 1 is characterized in that this circuit substrate is a printed circuit board (PCB).
4. electronic installation as claimed in claim 1 is characterized in that this switch element is a push-button switch.
5. electronic installation as claimed in claim 1 is characterized in that a surface of this key main body has a metal material.
6. electronic installation as claimed in claim 1 is characterized in that this discharge surface of conductors has a metal material.
7. electronic installation as claimed in claim 1, it is characterized in that also comprising the surface that at least one circuit element is arranged at this circuit substrate, wherein when this key main body was depressed, the air line distance between this discharge conductor and this earth point can be short than this air line distance of discharging between conductor and this circuit element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510060180 CN1842257A (en) | 2005-03-31 | 2005-03-31 | Electronic device with release electrostatic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510060180 CN1842257A (en) | 2005-03-31 | 2005-03-31 | Electronic device with release electrostatic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1842257A true CN1842257A (en) | 2006-10-04 |
Family
ID=37031051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510060180 Pending CN1842257A (en) | 2005-03-31 | 2005-03-31 | Electronic device with release electrostatic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1842257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270881A (en) * | 2014-09-15 | 2015-01-07 | 宁波萨瑞通讯有限公司 | Anti-static structure |
-
2005
- 2005-03-31 CN CN 200510060180 patent/CN1842257A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270881A (en) * | 2014-09-15 | 2015-01-07 | 宁波萨瑞通讯有限公司 | Anti-static structure |
| CN104270881B (en) * | 2014-09-15 | 2016-08-17 | 宁波萨瑞通讯有限公司 | A kind of electrostatic prevention structure |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |