CN101202096B

CN101202096B - Device for protecting CD ROM static electricity

Info

Publication number: CN101202096B
Application number: CN2006101659596A
Authority: CN
Inventors: 杨丽丽; 欧贤忠; 张振福
Original assignee: Quanta Storage Inc
Current assignee: Quanta Storage Inc
Priority date: 2006-12-11
Filing date: 2006-12-11
Publication date: 2011-01-19
Anticipated expiration: 2026-12-11
Also published as: CN101202096A

Abstract

The invention discloses a static protection device of a CD-ROM driver. A chute is respectively fixed on two sides of the internal part of the CD-ROM driver, and a conductive foam-cotton is arranged in one chute, one end of which contacts a casing and the other end thereof projects from the chute to contact a guide way, one end of the guide way, which extents out of the CD-ROM driver, is provided with a clamp hook; formed by conductive materials. Two guide ways slide in virtue of salvers supported on two sides. An electronic part is arranged on the salver and a bottom of the salver is covered by a conductive soleplate for protection. A conductive elastic body is arranged on the lower part of the salver, and a braking gap is formed at a front end of the salver and the clamp hook is arranged on the moving route of the braking gap. A contact end part is bent near the braking gap to contact the protection soleplate. An upward sliding-contact end part projects from the back end of the elastic body to electrically contact the guide ways so as to protect the protection soleplate and guide ways through electrical connections.

Description

CD-ROM drive electrostatic protecting device

Technical field

The present invention relates to a kind of CD-ROM drive, particularly relate in the CD-ROM drive in order to get rid of operator institute static electrification, to avoid destroying the electrostatic protection apparatus of precise electronic part.

Background technology

Because CD-ROM drive includes suitable precise electronic part, in operating process, the essential contact of user CD-ROM drive, therefore on one's body with static, can accumulate on conductor, or rush everywhere via the conductor in the CD-ROM drive, in case conduct to accurate electronic component, very easily be damaged.

As shown in Figures 1 and 2, it is the existing CD-ROM drive 10 at the demonstration inside and the back side, wherein the casing 11 of metal material has a hollow region, both sides are provided with the fixedly chute 111 of fixing plastic material, the guide rail 112 of each ccontaining metal material slides, guide rail 112 1 ends are stoped by the fixture block 113 on the casing 11, the other end is by the slide bar 121 of supported on both sides pallet 12, and be arranged with a trip 114 at a guide rail 112, block 122 with jam pallet 12 rear ends, restriction pallet 12 stretches out the distance outside the casing 11, makes the pallet 12 of plastic material can slide into out casing 11, and stretches out casing 11 fully.The electronic component of precisions such as the Spindle Motor 13 of rotation disc and read head 14 then is configured on the pallet 12, and the below is with a metal coating base plate 15 covering protections.The front end of pallet 12 is in abutting connection with a panel 16, panel 16 is provided with ESC Escape 17, winding displacement 18 1 ends of one flexible printed wiring board are connected in main circuit board 19, and be attached at the inside surface of casing 11, the other end then is movable and is connected in the rear end of pallet 12, and form with base plate 15 and to be electrically connected a wherein circuit of flexible flat cable 18 and casing 11 formation ground connection.

When the user pushes ESC Escape 17 and moves back sheet, with static via the slit of 17 of panel 16 and ESC Escapes, conduct to metal coating base plate 15; or when directly touching CD-ROM drive 10; be directly conducted to metal coating base plate 15,, static be directed at the eliminating of casing 11 ground connection again by flexible flat cable 18.Yet the circuit of flexible flat cable 18 is less, though can get rid of less static, for precipitate a large amount of static, still can't get rid of rapidly, forms buildup of static electricity and damages.In addition, flexible flat cable 18 allows a large amount of static by flexible flat cable 18 mainly as the transmission of signal and data, disturbs the signal and the data of transmission simultaneously easily, influences the reliability of CD-ROM drive signal.Moreover, the trip 114 that the guide rail 112 that sheet metal is shaped is arranged with, when the block 122 of jam plastic material, especially when being subjected to greater impact, regular meeting damages block 122, causes pallet and slide rail stuck, the pallet sheet of can't normally advancing and retreat.Therefore, existing CD-ROM drive still has problem to need to be resolved hurrily in the braking of electrostatic protection apparatus and pallet.

Summary of the invention

The object of the present invention is to provide a kind of CD-ROM drive electrostatic protecting device,, be electrically connected protection base plate and guide rail, make static via guide rail ground connection, to avoid electrostatic interference signal and data transmission by the elastic body of a conduction.

Another purpose of the present invention is to provide a kind of CD-ROM drive electrostatic protecting device, is used in the block of elastic body as pallet, strengthens the severity of braking that pallet is impacted, to improve the reliability of CD-ROM drive.

Still a further object of the present invention is to provide a kind of CD-ROM drive electrostatic protecting device, makes static via two side rails ground connection, and leads the static except that the accumulation on the guide rail, to improve the effectiveness that static is got rid of.

In order to reach the purpose of aforementioned invention; CD-ROM drive electrostatic protecting device of the present invention; fix a chute respectively in the CD driver both sides; establish a conducting foam in the one chute; one end in contact casing; the other end protrudes from chute, contacts with a guide rail of two conductive material, and the end that this guide rail stretches out CD-ROM drive forms a trip; two guide rails are slided by the supported on both sides pallet; pallet is provided with electronic component, and the bottom is with the protection base plate covering protection of a conductive material, and this pallet front end is in abutting connection with a panel; this panel is provided with ESC Escape; the contiguous ESC Escape of this protection base plate, a conductive material elastic body is located at the below of pallet; front end forms a braking breach; trip is positioned on the mobile route of braking breach, a casing, its inner both sides are fixed a chute respectively; slide for the guide rail that is electrically connected with this elastic body; be provided with a conducting foam in this chute, this casing of one end in contact, the other end protrude from this chute and contact with this guide rail.

Braking breach next door bending one contact end electrically contacts with the protection base plate, and elastic body rear end protruding upward slips the end and guide rail electrically contacts, to be electrically connected protection base plate and guide rail.

The CD-ROM drive electrostatic protecting device of another embodiment of the present invention; be located in the casing of CD-ROM drive; which is provided with the pallet of electronic component; the bottom is with the protection base plate covering protection of a conductive material; this pallet front end is in abutting connection with a panel; this panel is provided with ESC Escape; the contiguous ESC Escape of this protection base plate; comprise two guide rails of first guide rail and second guide rail, the two is a conductive material, is located at the casing both sides; the support pallet slides; the end that first guide rail stretches out CD-ROM drive forms a trip, fixes a chute respectively in the inner both sides of casing, slides for two guide rails.First elastic body of conductive material is electrically connected first guide rail of protecting base plate and tool trip, and front end forms a braking breach, and trip is positioned on the mobile route of braking breach, and second elastic body of conductive material then is electrically connected and protects the base plate and second guide rail.Respectively establish a conducting foam in this two chute, one end in contact casing, the other end protrude from chute and contact respectively with this two guide rail.

Description of drawings

Fig. 1 is the stereographic map of existing CD driver structure;

Fig. 2 is the stereographic map of existing CD-ROM drive back side structure;

Fig. 3 is the rear isometric view of CD-ROM drive electrostatic protecting device of the present invention;

Fig. 4 is the in-built stereographic map of CD-ROM drive casing of the present invention;

Fig. 5 is the present invention's first elastomeric stereographic map;

Fig. 6 is the local amplification stereogram of the present invention's first elastic body combination;

Fig. 7 is the local amplification stereogram of the present invention's second elastic body combination;

Fig. 8 is the present invention's second elastomeric stereographic map.

The main element symbol description:

20 CD-ROM drives

21 casings

211 first chutes

212 second chutes

213 main circuit boards

214 outconnectors

215 female connectors

216 conducting foams

217 fixture blocks

22 pallets

221 panels

222 ESC Escapes

223 protection base plates

2231 extensions

224 fixed legs

225 first elastic bodys

2251 braking breach

2252 contact ends

2253 screws

2254 slip the end

2255 fixation side

226 screws

227 slide bars

228 fixed screws

229 second elastic bodys

2291 fixed orifices

2292U shape end

2293 bullets collude

23 first guide rails

231 trips

24 second guide rails

25 flexible flat cables

Embodiment

Relevant the present invention is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof are lifted preferred embodiment now, and cooperate graphic be illustrated as follows.

Please refer to Fig. 3, for using the CD-ROM drive 20 of electrostatic protection apparatus of the present invention.This CD-ROM drive 20 comprises casing 21, pallet 22, first guide rail 23, second guide rail 24 and flexible flat cable 25.Main first guide rail 23 and second guide rail 24 of being provided with in the both sides of casing 21, support pallet 22 slides into and skids off casing 21, and connects pallets 22 with flexible flat cable 25, with the transmission of pallet 22 activities as data-signal.

As shown in Figure 4, for removing the casing 21 of part casing with show internal structure.Wherein, casing 21 is conductive material such as for example metal, inner both sides are fixed first chute 211 and second chute 212 respectively, first chute 211 and second chute 212 are plastic material, respectively establish a conducting foam 216 in the chute, one end is electrically connected on casing 21, and the other end protrudes from first chute 211 and second chute 212.Casing 21 is in first chute 211 and second chute, the 212 other fixture blocks 217 that respectively are convexly equipped with.The rear side of casing 21 is established a main circuit board 213, and the rear end of main circuit board 213 connects an outconnector 214, and as the outer connecting interface of connection, and front end also connects a female connector 215, to connect an end of flexible flat cable 25.Flexible flat cable 25 half direction along female connector 215 outlets, smooth in the bottom surface of casing 21, second half of flexible flat cable 25 then is movable.

Please more simultaneously with reference to figure 3, the first guide rails 23 and second guide rail 24 for conductive material such as for example metals, be located at respectively in first chute 211 and second chute 212, and push conducting foam 216 formation electrical connections, and can be free to slide.One end of first guide rail 23 and second guide rail 24 is subjected to fixture block 217 jams (figure does not show), and the other end can partly stretch out casing 21.First guide rail 23 stretches out the other end of casing 21, and close end forms a trip 231.

In addition, pallet 22 bodies are plastic material, and front end is in abutting connection with a panel 221; panel 221 is provided with ESC Escape 222, and the below of pallet 22 then covers a protection base plate 223, and protection base plate 223 is conductive material such as for example metal; its front end is in abutting connection with panel 221, and next-door neighbour's ESC Escape 222.By the slide bar 227 that extend pallet 22 body both sides, then be located at respectively in first guide rail 23 and second guide rail 24, supported by first guide rail 23 and second guide rail 24, allow pallet 22 stretch out casing 21.The rear side of pallet 22 is connected in the movable end below of flexible flat cable 25, and next-door neighbour protection base plate 223 rear ends, pallet 22 belows and first guide rail, 23 places are convexly equipped with a fixed leg 224, one first elastic bodys 225 and utilize a screw 226 to be fixed on the fixed leg 224.

As shown in Figure 5, it shows this first elastic body 225, body is a for example conductive material such as metal of a sheet, front end forms a braking breach 2251, the next door bends a contact end 2252 downward vertically, the centre wears a screw 2253, and rear end protruding upward is slipped end 2254, one fixation side, 2255 profiles and matched with the profile of fixed leg 224.As shown in Figure 6, for amplifying the part of first elastic body combination among Fig. 4, when first elastic body 225 passes screw 2253 by screw 226, when being locked in fixed leg 224, fixation side 2255 profiles of first elastic body 225, embed fixed leg 224, first elastic body 225 can't be rotated, to strengthen the braking ability of first elastic body 225.Simultaneously, 2252 of the contact ends of first elastic body, 225 front ends are closely against protection base plate 223 rear end extensions 2231, form to be electrically connected.The opposite side of first elastic body, 225 relative fixed sides 2255 then stretches in first guide rail 23, and trip 231 is positioned on the mobile route of braking breach 2251, and with jam braking breach 2251, restriction pallet 22 breaks away from casing 21.First elastic body, 225 rear ends are protruding upward slips end 2254, peaks on first guide rail 23, forms to be electrically connected.By the connection of first elastic body 225, make the protection base plate 223 and first guide rail 23 constitute a galvanic circle.

In addition, as shown in Figure 7, be the enlarged drawing of second guide rail 24 among Fig. 3, protection base plate 223 utilizes a fixed screw 228 in the rear corners by second guide rail 24, and with one second elastic body 229, locking is at protection base plate 223.Please also refer to Fig. 8; show that second elastic body 229 is a conductive material strip torsion spring such as metal for example; the middle winding forms a fixed orifice 2291; pass by fixed screw 228 and to be fixed on protection base plate 223, the second elastic bodys 229 1 ends and to extend and be bent to form U-shaped end 2292, be stuck in protection base plate 223; form and be electrically connected; the other end extends to form bullet and colludes 2293, is resisted against second guide rail 24, also forms to be electrically connected.By the second elastomeric connection, make the protection base plate 223 and second guide rail 24 constitute another galvanic circle.

Please more simultaneously with reference to figure 3 and Fig. 4; when the user pushes ESC Escape 222 and moves back sheet; with static via the slit of 222 of panel 221 and ESC Escapes; conduct to protection base plate 223; static can connect first elastic body, 225 contact ends 2252 via protection base plate 223 rear end extensions 2231 nearby or simultaneously; by slipping first guide rail 23 that end 2254 is replaced, be communicated with conducting foam 216 to casing 21 and constitute a galvanic circle ground connection eliminating static again.Or via second elastic body 229U shape end 2292, being communicated to bullet colludes 2,293 second guide rails of replacing 24, reaches conducting foam 216, to a galvanic circle that casing 21 constitutes, static is directed at the eliminating of casing 21 ground connection, and constitutes CD-ROM drive electrostatic protecting device of the present invention again.

Therefore; CD-ROM drive electrostatic protecting device of the present invention; can be by the elastic body of at least one conduction; be electrically connected protection base plate and guide rail; make static via guide rail ground connection, do not need to get rid of static, avoid the electrostatic interference data signals transmitted by flexible flat cable; and the circuit bigger than flexible flat cable is provided, can effectively gets rid of a large amount of static.In addition, elastic body of the present invention also can be used as the block of pallet except that can being electrically connected protection base plate and guide rail; with its metallic spring and a piece of wood serving as a brake to halt a carriage, strengthen the braking capacity that pallet is impacted, it is impaired to avoid pallet to break away from; to keep normal advance and retreat sheet, improve the reliability of CD-ROM drive.Simultaneously, electrostatic protection apparatus of the present invention allows two side rails constitute a ring of getting rid of the static loop, operation the time is touched easily, and by the metal guide rail that chute and pallet completely cut off of plastic material, the static of being accumulated, be able to the ground connection eliminating, impaired to reduce CD-ROM drive precise electronic part.

Above-described, only in order to convenient explanation preferred embodiment of the present invention, scope of the present invention is not limited to these preferred embodiments, and is all according to any change that the present invention did, and not breaking away under the spirit of the present invention, all belongs to the scope of claim of the present invention.

Claims

1. CD-ROM drive electrostatic protecting device comprises:

One pallet is established electronic component on it, its bottom is with the protection base plate covering protection of a conductive material, and this pallet front end is in abutting connection with a panel, and this panel is provided with ESC Escape, the contiguous ESC Escape of this protection base plate;

Two guide rails, it is a conductive material, is slided by the supported on both sides pallet; And

At least one elastic body, it is a conductive material, is electrically connected this protection base plate and at least one guide rail, and the end that this at least one guide rail stretches out this CD-ROM drive forms a trip, and this elastomeric front end forms a braking breach, and this trip is positioned on the mobile route of this braking breach; And

One casing, its inner both sides are fixed a chute respectively, slide for the guide rail that is electrically connected with this elastic body, establish a conducting foam in this chute, and this casing of one end in contact, the other end protrude from this chute and contact with this guide rail, and this casing is the conductive material of ground connection.

2. according to the described CD-ROM drive electrostatic protecting device of claim 1, wherein this chute is a plastic material.

3. according to the described CD-ROM drive electrostatic protecting device of claim 1, the below of this pallet wherein is close to this protection base plate rear end and is convexly equipped with a fixed leg by the guide rail place that this elastic body is electrically connected this protection base plate, to fix this elastic body.

4. according to the described CD-ROM drive electrostatic protecting device of claim 3, wherein wear a screw in the middle of this elastic body, one fixation side profile matches with the profile of this fixed leg.

5. according to the described CD-ROM drive electrostatic protecting device of claim 1, wherein this braking breach next door bending one contact end electrically contacts with the protection base plate.

6. according to the described CD-ROM drive electrostatic protecting device of claim 5, wherein this protection base plate rear end extends an extension, contacts the end with elastic body and electrically contacts.

7. according to the described CD-ROM drive electrostatic protecting device of claim 5, wherein this trip is formed on the close end place that this this guide rail that electrically contacts stretches out this end of CD-ROM drive.

8. according to the described CD-ROM drive electrostatic protecting device of claim 7, wherein this elastomeric side stretches in this guide rail.

9. according to the described CD-ROM drive electrostatic protecting device of claim 1, wherein the end is slipped in this elastic body rear end protruding upward one, electrically contacts with guide rail.

10. a CD-ROM drive electrostatic protecting device is located in the casing of CD-ROM drive, and this casing is the conductive material of ground connection, and this CD-ROM drive electrostatic protecting device comprises:

Two guide rails comprise first guide rail and second guide rail, are conductive material, are located at the casing both sides, support pallet and slide, and the end that first guide rail stretches out CD-ROM drive forms a trip, fix a chute respectively in the inner both sides of casing, slide for two guide rails;

First elastic body is conductive material, is electrically connected the protection base plate and first guide rail, and front end forms a braking breach, and trip is positioned on the mobile route of braking breach; And

Second elastic body is conductive material, is electrically connected this protection base plate and second guide rail;

Respectively establish a conducting foam in this two chute, one end in contact casing, the other end protrude from chute and contact respectively with this two guide rail.

11. according to the described CD-ROM drive electrostatic protecting device of claim 10, wherein this two chute is a plastic material.

12. according to the described CD-ROM drive electrostatic protecting device of claim 10, the below of this pallet wherein, the guide rail place that is close to this protection base plate rear end and has trip is convexly equipped with a fixed leg to fix this first elastic body.

13. according to the described CD-ROM drive electrostatic protecting device of claim 12; wherein this first elastic body, one fixation side profile matches with the profile of this fixed leg; front end forms a braking breach; braking breach mobile route is through trip, and this braking breach next door bending one contact end electrically contacts with the protection base plate.

14. according to the described CD-ROM drive electrostatic protecting device of claim 12, wherein the end is slipped in this first elastic body rear end protruding upward one, electrically contacts with guide rail.

15. according to the described CD-ROM drive electrostatic protecting device of claim 10, wherein this second elastic body is a strip torsion spring, an end is electrically connected with the protection base plate, and the other end is electrically connected with second guide rail.

16., wherein twine in the middle of this second elastic body and form a fixed orifice according to the described CD-ROM drive electrostatic protecting device of claim 15, be fixed on this protection base plate, an end forms the U-shaped end and is stuck in the protection base plate, and the other end forms bullet and colludes, and is resisted against this second guide rail.

17. according to the described CD-ROM drive electrostatic protecting device of claim 16, wherein this second elastic body is located on the protection base plate of contiguous second guide rail.

18. according to the described CD-ROM drive electrostatic protecting device of claim 16, wherein the locking of this second elastic body is on this protection base plate and by the corner of second guide rail.