CN101303881B

CN101303881B - Electrostatic protecting device for inhalation type CD machine

Info

Publication number: CN101303881B
Application number: CN2007101032724A
Authority: CN
Inventors: 黄充仁; 邱曜嘉; 吴仁琛
Original assignee: Quanta Storage Inc
Current assignee: Quanta Storage Inc
Priority date: 2007-05-10
Filing date: 2007-05-10
Publication date: 2011-11-23
Anticipated expiration: 2027-05-10
Also published as: CN101303881A

Abstract

The invention relates to a static protective device of a slot loading CD-ROM drive; wherein, the device, which is arranged on a printed circuit of an operation interface in a conductive shell of the CD-ROM drive, consists of a touch switch arranged on the printed circuit for starting an operating circuit of the slot loading CD-ROM drive to retreat disks, a light emitting diode arranged on a printed circuit near the touch switch, bare conductors arranged on the front end face of the printed circuit and barely arranged around the touch switch and the light emitting diode as well as insulated with the lines in the printed circuit, and the printed circuit which additionally extends an extension part from the touch switch nearby. The front end face which is fully distributed with the bare conductors folds backward so that the bare conductors are connected with the shell to form grounding in order to remove static electricity.

Description

Electrostatic protecting device for inhalation type CD machine

Technical field

The present invention relates to a kind of inhalation type CD machine, especially relate in the inhalation type CD machine, prevent the electrostatic protection apparatus of electrostatic breakdown CD-ROM device precision component in order to lead static electrification except that operator institute.

Background technology

CD-ROM device in the household electrical appliances information products needs very accurate electronic component, with the high density data on the CD-RW discsCD-RW in the read-write high speed rotating.Yet in CD-ROM device service firing process, accurate electronic component very easily is subjected to the influence and the destruction of user institute static electrification, needs electrostatic defending.

As shown in Figure 1, known pellet type (Tray type) CD-ROM device 1 mainly comprises metal material casing 2 and tray for disc 3.Casing 2 has hollow region can allow pallet 3 pass in and out.And the read head of the motor of rotation CD-RW discsCD-RW, reading/writing document and relevant control electronic component are configured on the pallet 3.The front end of pallet 3 is provided with thin printed circuit board (PCB) 4, CD-ROM device operating switch 5 is set on it, the place ahead of pallet 3 is then in abutting connection with panel 6, panel 6 is provided with button 7 at the relative position of switch 5, can pass through hole 8 touch switch 5 of panel 6, sheet metal 9 is installed in the back side of panel 6, has slotted eye 10 on it around this through hole 8, and between sheet metal 9 and panel 6, part is provided with sheet rubber 11, with the elasticity of reinforcement metal sheet 9, when making pallet 3 enter CD-ROM device 1, compress sheet metal 9 with sheet rubber 11, allow sheet metal 9 contact with shell 2.

When the button 7 of pushing CD-ROM device 1 as the user moves back sheet, the user with static, finger 12 by button, with with static via through hole 8 slits of 7 of panel 6 and buttons, be discharged to sheet metal 9, by sheet metal 9 static is led casing 2 through contact, get rid of static by the ground connection of casing 2 again.To avoid the precise electronic part of electrostatic current on pallet 3, reach the purpose of electrostatic protection.

But this known CD-ROM device is only when pallet enters casing, can lead and destatic, and shift out from casing at pallet, make rotation motor, the read head of video disc and contain the printed circuit board (PCB) of controlling electronic component when directly exposing to the open air outside, static can't be led on the contrary and remove, very easily cause the precise electronic part impaired.For correcting aforesaid shortcoming, other has known CD-ROM device to consider that the pallet of plastic cement material can't conduct electricity, and sheet metal is connected to metal base plate under the pallet with lead frame, connects the chassics earth of base plate to CD-ROM device via winding displacement again, to get rid of static.

Yet, this known CD-ROM device need additionally be provided with static such as sheet metal, sheet rubber and lead frame and lead removal apparatus, not only part is many, increase to assemble and cause the manufacturing cost height man-hour, and ground distance is oversize, can't get rid of static immediately, get rid of the path of static and pass through CD-ROM device inside again, increase the risk of destroying the precise electronic part.Therefore, the electrostatic defending of known CD-ROM device, it is to be solved to still have problem to have.

Summary of the invention

The object of the present invention is to provide a kind of electrostatic protecting device for inhalation type CD machine,, form the electrostatic protection apparatus of exposed Copper Foil, directly lead destaticing, with simplified construction and reduction manufacturing cost by the original flexible printed wiring of CD-ROM device.

Another purpose of the present invention is to provide a kind of electrostatic protecting device for inhalation type CD machine, and the bare exposed conductor of utilizing printed wire to extend directly contacts casing, leads destaticing effectively, to strengthen the CD-ROM device antistatic protection function.

In order to reach the purpose of aforementioned invention, electrostatic protecting device for inhalation type CD machine of the present invention is located at the printed wire that is used for operation interface in the casing of CD-ROM device conduction, comprising: touch switch, be located on the printed wire; For starting the function circuit that inhalation type CD machine moves back sheet; Light emitting diode is located near the printed wire of touch switch; Bare conductor, be positioned on the front end face of printed wire, and exposed be located at touch switch and light emitting diode around, form insulation with the circuit in the printed wire, printed wire is by stretching out extension near the touch switch in addition, front end face is covered with exposed conductor, folds back, and makes exposed conductor and casing be connected to form ground connection.

The front end of casing is provided with fixedly wall, fixedly wall directly by casing extend upward form, be convexly equipped with fixed block on it, the pilot hole that embeds electrostatic protection apparatus is fixed, with fixing electrostatic protection apparatus.The casing front end connects panel, and panel is provided with through hole and lamp hole, and through hole is located at the relative position of touch switch, in wear button, touch touch switch movably, lamp hole then is located at the relative position of light emitting diode.

Electrostatic protecting device for inhalation type CD machine of the present invention, can be around slot such as button, light emitting diode etc. that user's static permeates easily, by the front end face of the original printed wire of CD-ROM device, the bare conductor of formation and flexible printed wiring built-in electrical insulation directly leads destaticing.Because of bare conductor is constituted with the Copper Foil of conductive material etc. by flexible printed wiring, when making flexible printed wiring, can reserve the bare conductor circuit, make together and finish, not only can delete part such as sheet metal with simplified construction, reduce cost of goods manifactured simultaneously.In addition, electrostatic protecting device for inhalation type CD machine of the present invention, utilize the extension of the extended bare exposed conductor of printed wire, make its directly contact casing formation ground connection, lead effectively nearby and destatic, not only keep effective static all the time and get rid of function, and do not need grounding path, strengthen the CD-ROM device antistatic protection function and can reach via casing inside.

Description of drawings

Fig. 1 is the sectional view of known CD-ROM device electrostatic protection apparatus.

Fig. 2 is for using the cut-away view of electrostatic protection apparatus CD-ROM device of the present invention.

Fig. 3 is the skeleton view of printed wire of the present invention.

Fig. 4 is the relative position fragmentary, perspective view of electrostatic protection apparatus assembling of the present invention.

Fig. 5 is along A-A line electrostatic protection apparatus side of the present invention diagrammatic cross-section among Fig. 2.

The main element label declaration

1 known pellet type CD-ROM device

2 casings

3 pallets

4 printed circuit board (PCB)s

5 operating switchs

6 panels

7 buttons

8 through holes

9 sheet metals

10 slotted eyes

11 sheet rubbers

12 fingers

20 inhalation type CD machines

21 casings

211 main circuit boards

212 movements

213 disk-ejecting mechanisms

214 drive motors

215 fixing walls

216 fixed blocks

22 printed wires

221 circuit bodies

222 motor-end

223 operation interface ends

23 electrostatic protection apparatus

231 touch switch

232 light emitting diodes

233 bare conductors

234 extensions

235 pilot holes

24 panels

241 through holes

242 lamp holes

243 openings

25 buttons

Embodiment

Relevant the present invention is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof are illustrated as follows with preferred embodiment and conjunction with figs..

Please refer to Fig. 2, be the inhalation type CD machine 20 that is provided with electrostatic protection apparatus of the present invention, inhalation type CD machine 20 is removed loam cake (figure does not show) with show internal structure.This CD-ROM device 20 comprises casing 21, printed wire 22, electrostatic protection apparatus 23, panel 24 and button 25 etc.Mainly will be located at the electrostatic protection apparatus 23 on the printed wire 22, be sticked, touch button 25 on the panel 24 the user at casing 21 front end faces, its with static when passing the slot of button 25 peripheries, guiding static removes via casing 21 ground connection leading.

Wherein, casing 21 is constituted by electric conductors such as metal materials, inside is hollow form, the bottom, rear end of hollow inside is provided with main circuit board 211, movement 212, the disk-ejecting mechanism 213 that a plurality of guide rod constituted and the drive motor 214 that power is provided are also contained in the inside of hollow, the front end of casing 21 is provided with fixedly wall 215, fixedly wall 215 directly by casing 21 extend upward form, be convexly equipped with fixed block 216 on it.

Please also refer to Fig. 3, printed wire 22 of the present invention is shown.Printed wire 22 is the circuit of flexible printed wiring board, be located in the casing 21, one end is a circuit body 221, be the P.e.c. winding displacement, be connected to main circuit board 211, the other end is for forming the divergent ends of bifurcated, wherein a divergent ends is a motor-end 222, be connected to drive motor 214, to carry control electric power to give drive motor 214 from main circuit board 211, another divergent ends is an operation interface end 223, and the circuit of operational light disc player is provided, be fixed on the fixedly wall 215 of casing 21 front ends, which is provided with electrostatic protection apparatus 23.

Electrostatic protection apparatus 23 is the circuit of a printed circuit board (PCB), the circuit of printed circuit board (PCB) comprises touch switch 231, light emitting diodes such as LED 232 and bare conductor 233 P.e.c. such as (shown in oblique lines), wherein touch switch 231 can withdraw from the CD-RW discsCD-RW function circuit of (figure does not show) for starting inhalation type CD machine, it is other that light emitting diode 232 is located at touch switch 231, as showing the inhalation type CD machine operating state, bare conductor 233 is the conductor of identical material such as used Copper Foil in the P.e.c., exposed be located at touch switch 231 and light emitting diode 232 around, and be formed on the front end face of touch switch 231 and light emitting diode 232 P.e.c., form insulation with the circuit in the printed wire 22, to get rid of the Electrostatic protection grounding circuit as guiding.

In addition, electrostatic protection apparatus 23 stretches out an extension 234 in addition, its front end face is covered with exposed bare conductor 233, electrically connect with the bare conductor 233 around touch switch 231, the light emitting diode 232, and by stretching out near the touch switch 231 that is often touched, the extension 234 of present embodiment is extended by the below of touch switch 231, so that lead the static except that the user nearby.Electrostatic protection apparatus 23 central authorities leave pilot hole 235, in order to fixing electrostatic protection apparatus 23.

Refer again to Fig. 2, casing 21 front ends connect panel 24, panel 24 is provided with through hole 241, lamp hole 242 and opening 243 etc., opening 243 is located at the top of panel, for having the strip through hole of radian, inject or withdraw from inhalation type CD machine 20 for CD-RW discsCD-RW, through hole 241 and lamp hole 242 then are positioned at the below of opening 243, and through hole 241 is located at the relative position of touch switch 231, when button 25 is located in the through hole 241, touch touch switch 231 movably, lamp hole 242 then is located at the relative position of light emitting diode 232, the light that light emitting diode 232 is sent can pass the operating state that lamp hole 242 shows inhalation type CD machine 20.

As shown in Figure 4, the relevant position of assembling for electrostatic protection apparatus 23 of the present invention.The present invention is in when assembling, and the extension 234 of printed wire 22 is folded back, and makes extension 234 be positioned at the back side of electrostatic protection apparatus 23, and allows bare conductor 233 on extension 234 front end faces towards the rear of electrostatic protection apparatus 23.Then, the circuit body 221 of printed wire 22 1 ends is connected to main circuit board 211 (please refer to Fig. 2), and be sticked on casing 21 bottom surfaces, again with the pilot hole 235 of electrostatic protection apparatus 23 on the operation interface end 223, embed the fixed block 216 on the fixing wall 215, make the bare conductor 233 of extension 234 contact fixedly wall 215, connect casings 21 via fixing wall 215 and form ground connection, 222 of another motor-end are connected to drive motor 214, assembling back state as shown in Figure 2, again face 24 is fixed on fixedly wall 215 fronts at last, make button 25 facing to touch switch 231, and lamp hole 242 is facing to light emitting diode 232.

2 the present invention assemble back A-A line section as Fig. 5 displayed map.Wherein, electrostatic protection apparatus 23 is fixed on the fixedly wall 215 of casing 21, thereafter Zhe extension 234, utilize fixedly wall 215 of bare conductor 233 contacts, and the touch switch 231 of electrostatic protection apparatus 23 front ends is covered with bare conductor 233 all around, and touch switch 231 also faces the button 25 that penetrates panel 24 through holes 241, button 25 has slot with through hole 241, and slot by 233 covers of bare conductor of electrostatic protection apparatus 23 front ends.The user with static in a single day penetrate slot, can be by bare conductor 233 guiding, the bare conductor 233 via back folding extension 234 conduct to fixedly wall 215, by the casing 21 of ground connection, derives nearby with eliminating static, avoids static to run helter-skelter in casing 21.

Therefore, electrostatic protecting device for inhalation type CD machine of the present invention just can be around slot such as button, light emitting diode etc. that user's static permeates easily, by the front end face of the original printed wire of CD-ROM device, the bare conductor of formation and flexible printed wiring built-in electrical insulation directly leads destaticing.Because of bare conductor is constituted with the Copper Foil of conductive material etc. by flexible printed wiring, when making flexible printed wiring, can reserve the bare conductor circuit, make together and finish, not only can delete part such as sheet metal with simplified construction, reduce cost of goods manifactured simultaneously.In addition, electrostatic protecting device for inhalation type CD machine of the present invention, utilize the extension of the extended bare exposed conductor of printed wire, make its directly contact casing formation ground connection, lead effectively nearby and destatic, not only keep effective static all the time and get rid of function, and do not need grounding path, strengthen the CD-ROM device antistatic protection function and can reach via casing inside.

The above person, only in order to convenient explanation preferred embodiment of the present invention, scope of the present invention is not limited to the foregoing description, and all any changes of being done according to the present invention under the premise of without departing from the spirit of the present invention, all belong to protection scope of the present invention.

Claims

1. electrostatic protecting device for inhalation type CD machine is located in the casing of CD-ROM device conduction on the printed wire of operation interface, and described electrostatic protection apparatus comprises:

Touch switch is located on this printed wire, for starting the function circuit that inhalation type CD machine moves back sheet; And

Bare conductor is formed on the front end face of this printed wire, and exposed be located at this touch switch around, be connected to form ground connection with this casing, the circuit in described bare conductor and the described printed wire forms and insulate,

Wherein, described printed wire stretches out extension in addition and casing is connected to form ground connection, and described extension folds back, and the exposed conductor surface that makes the front end face that is positioned at described extension contacts formation ground connection to the rear of electrostatic protection apparatus with casing,

Wherein, described exposed conductor is electrically connected with described bare conductor.

2. electrostatic protecting device for inhalation type CD machine according to claim 1 is characterized in that, described bare conductor is the conductor of used identical material in the printed wire.

3. electrostatic protecting device for inhalation type CD machine according to claim 1 is characterized in that described extension is by stretching out near the touch switch.

4. electrostatic protecting device for inhalation type CD machine according to claim 1 is characterized in that, described extension is extended by the below of touch switch.

5. electrostatic protecting device for inhalation type CD machine according to claim 1 is characterized in that the front end of described casing is provided with fixedly wall, fixedly electrostatic protection apparatus.

6. electrostatic protecting device for inhalation type CD machine according to claim 5 is characterized in that, described fixedly wall is directly extended upward by casing and forms, and is convexly equipped with fixed block on it, and the pilot hole that embeds electrostatic protection apparatus forms fixing.

7. electrostatic protecting device for inhalation type CD machine according to claim 1 is characterized in that described printed wire further comprises light emitting diode, the exposed bare conductor of printed wire front end face around the light emitting diode.

8. electrostatic protecting device for inhalation type CD machine according to claim 7 is characterized in that, described casing front end connects panel, and panel is provided with through hole and lamp hole, and through hole is located at the relative position of touch switch, and lamp hole then is located at the relative position of light emitting diode.

9. electrostatic protecting device for inhalation type CD machine according to claim 8 is characterized in that, wears button in the described through hole, touches touch switch movably.

10. electrostatic protecting device for inhalation type CD machine according to claim 1, it is characterized in that, further comprise main circuit board and drive motor in the described inhalation type CD machine, printed wire one end connects main circuit board, the other end is established electrostatic protection apparatus, and a divergent ends connects drive motor again.