CN103857247A - Anti-electrostatic interference cabinet veneer - Google Patents
Anti-electrostatic interference cabinet veneer Download PDFInfo
- Publication number
- CN103857247A CN103857247A CN201210516275.1A CN201210516275A CN103857247A CN 103857247 A CN103857247 A CN 103857247A CN 201210516275 A CN201210516275 A CN 201210516275A CN 103857247 A CN103857247 A CN 103857247A
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- veneer
- rack
- current
- static electricity
- guide rail
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Abstract
An anti-electrostatic interference cabinet veneer comprises a veneer body, a handle strip arranged on the veneer body and guide rails arranged on the two sides, adjacent to the handle strip, of the veneer body. The anti-electrostatic interference cabinet veneer further comprises current-limiting units, wherein the electrical resistivity of the current-limiting units is larger than that of the guide rails, and the guide rail on each side is divided in the middle into two parts which are connected through the corresponding current-limiting unit. When the veneer is inserted into a cabinet, static electricity is realized to the ground through the cabinet, the total electric charge quantity of static electricity accumulated on the guide rails through the handle strip of the veneer is invariable, current which flows through the cabinet can be decreased substantially through the current-limiting units, the current fluctuation edge becomes gradual, in this way, current and current spectrum width of electrostatic discharge are reduced, and interference by the static electricity in the cabinet is lowered greatly.
Description
Technical field
The present invention relates to a kind of cabinet equipment, particularly relate to a kind of rack veneer of anti-static electricity interference.
Background technology
Rack refers to the object that is used for depositing computer and related control device of being made by cold-rolled steel sheet or alloy, can shield electromagnetic interference, and the equipment that protection is deposited, in order, fitly alignment apparatus is safeguarded after convenient.At present, rack has become indispensable articles for use in computer industry because of features such as its convenient operation, installation and maintenances.
Veneer in rack refers to the integrated veneer that can complete certain specific function, and veneer generally includes hardware and software two parts.Single plate hardware mainly comprises pcb board, integrated circuit (IC) chip, indicator light, panel of the board etc.Most of veneer only uses a pcb board, and this veneer only accounts for a groove position of rack.
On veneer, conventionally all can be provided with guide rail, the guide rail of Handle Bar and veneer directly contacts, and when the Handle Bar of holding veneer as operator inserts veneer or extract rack, the guide groove on guide rail and rack has coordinated plug to operate.Due to static electricity on human body's reason, in the time that holding Handle Bar, operator can on the guide rail of veneer, gather static (being generally all several kilovolts), and rack all can ground connection arrange, insert the moment of rack at veneer, static on veneer will discharge to rack, produce the very wide large electric current of frequency spectrum, have influence on the normal work of other circuit of rack.
Summary of the invention
Based on this, be necessary to provide a kind of rack that can reduce by the anti-static electricity interference rack veneer of electrostatic interference.
A rack veneer for anti-static electricity interference, comprising: veneer body; Handle Bar, is arranged on described veneer body; Guide rail, is arranged on both sides adjacent with described Handle Bar on described veneer body; Also comprise current limliting unit, the resistivity of described current limliting unit is greater than described guide rail, and guide rail middle part is interrupted and is divided into two parts and connects by current limliting unit described in described in every side.
In an embodiment, described current limliting unit is resistance therein.
In an embodiment, described resistance is 1206 Chip-Rs therein.
In an embodiment, the resistance of described 1206 Chip-Rs is 10,000,000 ohm therein.
In an embodiment, described veneer comprises connector therein, and described connector is arranged on one end relative with described Handle Bar on described veneer body.
The rack veneer of above-mentioned anti-static electricity interference, is divided into two parts by the guide rail of veneer body both sides and also couples together with current limliting unit.When veneer is inserted rack by the Handle Bar of holding veneer as operator, the static gathering on guide rail by Handle Bar is discharged into ground through rack, because static total charge dosage is constant, current limliting unit can make the to flow through electric current of rack significantly reduces, and electric current lifting edge also can slow down, so just reduce electric current and the current spectrum width of static discharge, thereby greatly reduced the interference of static to rack.
Accompanying drawing explanation
Fig. 1 is the structure chart of rack veneer in prior art;
Fig. 2 is the vertical view of the rack veneer of anti-static electricity interference in an embodiment;
Fig. 3 is the left view of the rack veneer of anti-static electricity interference in Fig. 2;
Fig. 4 is the vertical view of the rack veneer of anti-static electricity interference in another embodiment.
Embodiment
Because static can cause fault or the misoperation of electronic equipment, accelerating circuit component aging therefore all can be taked certain anti-static precautions in the time manufacturing electronic equipment.Be illustrated in figure 1 the structure chart of existing rack veneer, direction shown in arrow is the direction that veneer inserts rack, veneer comprises veneer body 110 and Handle Bar 120, and be arranged on veneer body 110 and guide rail A and the guide rail B of Handle Bar 120 adjacent both sides, Handle Bar 120 directly contacts with guide rail A, B.When the Handle Bar 110 of holding veneer as operator inserts veneer or extract rack, the guide groove on guide rail A, B and rack has coordinated plug to operate.Due to static electricity on human body, in the time that operator holds Handle Bar 110, can on guide rail A, B, gather static, and rack all can ground connection arrange, by rack, static is discharged into ground, to avoid accumulation of static electricity to affect veneer performance on veneer.But due to very large (being generally all several kilovolts) of the static gathering on guide rail A and B, the moment of inserting rack at veneer, the static on veneer discharges to rack, can produce the very wide large electric current of frequency spectrum, has influence on the normal work of other circuit of rack.
In order to reduce the interference of static to rack, the invention provides a kind of rack veneer of anti-static electricity interference, as shown in Figures 2 and 3, veneer comprises veneer body 210, Handle Bar 220, guide rail and current limliting unit, direction shown in arrow is the direction that veneer inserts rack, on veneer body 210, be provided with PCB(PrintedCircuit Board, printed circuit board), the parts such as integrated circuit (IC) chip, indicator light, reset button and serial ports.Handle Bar 220 is arranged on veneer body 210, is positioned at the rear end of inserting rack direction along veneer; Guide rail is arranged on both sides adjacent with Handle Bar 220 on veneer body 210, comprises guide rail 230 and guide rail 240, and guide rail 230 is divided into A portion and C portion, and A portion is connected by current limliting unit E with C portion, and guide rail 240 is divided into B portion and D portion, and B portion is connected by current limliting unit F with D portion.The resistivity of current limliting unit E and current limliting unit F should be greater than guide rail 230 and guide rail 240 significantly.Can adopt resistance as current limliting unit E, F, in the present embodiment, current limliting unit E, F are 1206 Chip-Rs of resistance 10M Ω, and Chip-R has that volume is little, lightweight, electric performance stablity, assembly cost are low, mechanical strength advantages of higher.Also can adopt in other embodiments the resistance of other types, resistance can require to adjust according to the antistatic of the each components and parts of circuit in rack.
The rack veneer of above-mentioned anti-static electricity interference, is divided into two parts by the guide rail 230 of veneer body 210 both sides and guide rail 240, only by veneer body and current limliting unit E(current limliting unit F) couple together.When veneer is inserted rack by the Handle Bar of holding veneer as operator, the static gathering on guide rail 230 and guide rail 240 by Handle Bar 220 is discharged into ground through rack, because static total charge dosage is constant, significantly reduce by setting up current limliting unit E, F can make the to flow through static discharge current of rack, and electric current lifting edge also can slow down, so just reduce electric current and the current spectrum width of static discharge, thereby greatly reduced the interference of static to rack.
In an embodiment, as shown in Figure 4, veneer also comprises connector 250 therein, and connector 250 is arranged on one end relative with Handle Bar 220 on veneer body 210, on veneer body 210, inserts the front end of rack direction along veneer.Connector 250 is for inserting being electrically connected of the pcb board realized after rack on veneer and rack circuit at veneer.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (5)
1. a rack veneer for anti-static electricity interference, comprising:
Veneer body;
Handle Bar, is arranged on described veneer body;
Guide rail, is arranged on both sides adjacent with described Handle Bar on described veneer body;
It is characterized in that, described veneer also comprises current limliting unit, and the resistivity of described current limliting unit is greater than described guide rail, and guide rail middle part is interrupted and is divided into two parts and connects by current limliting unit described in described in every side.
2. the rack veneer of anti-static electricity interference according to claim 1, is characterized in that, described current limliting unit is resistance.
3. the rack veneer of anti-static electricity interference according to claim 2, is characterized in that, described resistance is 1206 Chip-Rs.
4. the rack veneer of anti-static electricity interference according to claim 3, is characterized in that, the resistance of described 1206 Chip-Rs is 10,000,000 ohm.
5. according to the rack veneer of the anti-static electricity interference described in any one in claim 1 to 4, it is characterized in that, comprise connector, described connector is arranged on one end relative with described Handle Bar on described veneer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516275.1A CN103857247A (en) | 2012-12-05 | 2012-12-05 | Anti-electrostatic interference cabinet veneer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516275.1A CN103857247A (en) | 2012-12-05 | 2012-12-05 | Anti-electrostatic interference cabinet veneer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103857247A true CN103857247A (en) | 2014-06-11 |
Family
ID=50864302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210516275.1A Pending CN103857247A (en) | 2012-12-05 | 2012-12-05 | Anti-electrostatic interference cabinet veneer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103857247A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704912A (en) * | 2016-04-11 | 2016-06-22 | 上海斐讯数据通信技术有限公司 | Electrostatic protection method and system of single printed circuit board (PCB) |
| CN107045378A (en) * | 2017-05-22 | 2017-08-15 | 无锡商业职业技术学院 | A kind of antistatic computer equipment cabinet |
| CN108225528A (en) * | 2017-10-18 | 2018-06-29 | 赛多利斯科学仪器(北京)有限公司 | Folding electronic balance density measure kit device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791524A (en) * | 1987-11-18 | 1988-12-13 | International Business Machines Corporation | Electrostatic discharge protection for electronic packages |
| CN1225231A (en) * | 1996-06-18 | 1999-08-04 | 西门子公司 | Sub-rack for plug-in printed circuit modules with a means of damped discharge of electrostatic potential |
| JP3301406B2 (en) * | 1999-04-12 | 2002-07-15 | 日本電気株式会社 | Ejector for insertion and removal of printed circuit board and structure to prevent electrostatic breakdown of printed circuit board |
-
2012
- 2012-12-05 CN CN201210516275.1A patent/CN103857247A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791524A (en) * | 1987-11-18 | 1988-12-13 | International Business Machines Corporation | Electrostatic discharge protection for electronic packages |
| CN1225231A (en) * | 1996-06-18 | 1999-08-04 | 西门子公司 | Sub-rack for plug-in printed circuit modules with a means of damped discharge of electrostatic potential |
| JP3301406B2 (en) * | 1999-04-12 | 2002-07-15 | 日本電気株式会社 | Ejector for insertion and removal of printed circuit board and structure to prevent electrostatic breakdown of printed circuit board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704912A (en) * | 2016-04-11 | 2016-06-22 | 上海斐讯数据通信技术有限公司 | Electrostatic protection method and system of single printed circuit board (PCB) |
| CN107045378A (en) * | 2017-05-22 | 2017-08-15 | 无锡商业职业技术学院 | A kind of antistatic computer equipment cabinet |
| CN108225528A (en) * | 2017-10-18 | 2018-06-29 | 赛多利斯科学仪器(北京)有限公司 | Folding electronic balance density measure kit device |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140611 |
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| RJ01 | Rejection of invention patent application after publication |