TW200834548A - Method and apparatus for protecting an optical disk drive - Google Patents

Abstract

The present invention provides a method and apparatus for protecting an optical disk drive, which utilizes a driving motor to move a sliding part. A groove on the sliding part is divided by a stopper into two sides, and one side is an initial groove. The sliding part links a loading unit to rotate a loading stick for loading a disc. An unloading unit is a linkage mechanism whose one end is driven by the groove and the other end rotate an unloading stick to guide or push out the disc. A detecting unit includes a first sensor, a second sensor, and a third sensor. The first sensor is installed near the moving path of the unloading unit to start the driving motor, and the second sensor and the third sensor are disposed at the back end of the moving path of the sliding part to detect the moving distance of the sliding part. The driving motor stops to prevent the traverse from lifting to protect the disc when one of the second sensor and the third sensor is switched.

Description

200834548 IX. Description of the Invention: [Technical Field] The present invention relates to an optical disc drive, and more particularly to a protective device for withdrawing and protecting an optical disc when the optical disc is not normally loaded in a slot-type optical disc drive method. μ [Prior Art] Generally, the advance and rewind modes of the optical disk drive are mainly divided into a tray type (Tray type) and a suction type (Slot-in Type). The tray type disc drive utilizes a tray placement slot to carry the optical disc into or out of the optical disc to position or unwind the optical disc. The inhaled optical disc drive directly inserts the optical disc into the entrance of the optical disc drive, and the optical disc can be automatically sucked in by the advance and retract mechanism, and the optical disc is guided to the positioning or unwinding, which is convenient and thin. For the known slot-in disc drive system, the user directly inserts the other side of the disc into the entrance of the disc player by hand-held the disc, and then uses the hand to apply the force to push the disc into the disc player until the disc is pushed into the disc player. The disc touches the disc drive ΐίίϊ 'Determining the size of the disc and the depth of insertion, the disc player will move into the ejecting mechanism'. The disc will be automatically dialed into the disc player to take the Ui disc to the position, and then continue to advance and retract the mechanism. The rise includes 'clamping the spindle motor into the center hole of the disc to rotate the disc for reading and writing data. Gradually i: During the filming process, the disc is outside the disc, so that before the telescope is positioned, some of the discs are exposed in the disc drive: the drive; the disc drive is pulled away from the disc. For example, the movement will be scratched or pressed, and the machine will be damaged by the fast rise of the machine. In addition, =: from the disc, and the small size of the disc to reach the positioning of the sling insertion, causing the touch switch to start and the disc will automatically scratch the movement will also scratch or 200834548 ΐΪ Ϊ Ϊ ' ' It is impossible to take out the small captives that are completely immersed in the CD player. Therefore, the conventional inhaled CD-ROM drive has a problem in the loading process, and there is still a problem in the protection of the optical disk. The purpose of the invention is to provide a CD-ROM protection device. Set the disc drive to the disc without timing = keep rising to protect the disc. 1 drive machine anger another purpose - the purpose is to provide a kind of CD player protection method, 藓Α保ί loading and unloading mechanism continued to travel, detecting the sensor switch two ,, ^ turn drive motor, to revert the disc machine forward and backward mechanism. For the purpose of reintroduction - in the provision of a CD-ROM protection device and method, the re-entry of the first disc machine into and out of the film mechanism, at the same time the introduction of the card-resistance disc = 忐 ^ to achieve the purpose of the aforementioned invention, the optical disc of the present invention ^ ^ ί Use the element i drive motor to move—slider, == / i, mover, move-in unit, turn one into the lever to dial in a light =:: The retraction unit is a linkage mechanism, one end is subject to The sliding slot is driven, and the "slider lever rotates to guide or push out the optical disc. A sensing unit includes: a return switch, a second sensing switch, and a third sensing switch. The first sensing is next to the moving path of the unloading unit. The second sensing switch and the third sensing switch are disposed near the rear end of the sliding member to detect the moving distance of the sliding member, and the rotation of the first detecting switch is performed. The rear end wall of the sliding block is formed as a chute, and the chute is divided into a horizontal chute and a second chute and a third chute on the other side of the initial slot, and a second chute to the second slot. The third chute is a size-size optical disc guide chute, and the first is located near the center of the rear end wall of the slider. In a chute, the slot and the second chute, the third chute, but still maintain the first chute and the first L L L L L L L L L L L L L L L L L L L L L L L L L ^弟-link, the - end is rotatably fixed in the smooth groove, the second connection is provided with a first-drive tip, the second connection of the plate-slider is connected to the first link, and the retraction lever can be Rotating connection: Sense; switch: end 'second link is protruding - second contact' to touch - sense two: the first method is salty when loading - disc, detecting the f%

ί过再=rr time exceeds the preset time. If the switch is not turned on, the motor will stop. Otherwise, the drive motor will be read and timed. If i return to the home, then the third sense switch is detected and the handle is judged. (4) The completion of the work to stop the drive motor. [Embodiment] The present invention has been described with reference to the preferred embodiments of the invention, and the preferred embodiments thereof are described below. Figure 1 is an exploded view of the optical disc drive of the present invention. The present invention is a suction type comprising a housing u, a panel 12, a movement 13, an if %%% 14, a transmission unit 15, a ejection unit 16, a tab unit Η, a second and a sensing unit 19. Mainly by the unloading unit 16 and the tab unit 17=the dynamic sensing unit 19, the optical disc D (see FIG. 4) is inserted into the light 0, and the driving unit 15 is activated to drive the feeding unit 14 to push the optical disc into the optical disc player. 10, the linkage unit 17 guides the optical disc, and then the movement 13 is raised, and the optical disc D is embedded and rotated to perform the advancement. The housing 11 is composed of an upper casing 111 and a lower casing 112. The MU and the lower case 112 cover a hollow space for accommodating the optical disk D drive, and drive the optical disk D into and out of the casing n. A panel 12 is disposed at the rear end of the casing, and is provided with a long groove-shaped optical disk D inlet and outlet 121, and a dipping key 122 is provided below the entrance and exit d 7 200834548 for pressing to exit the optical disk]) A display lamp 123 is disposed beside the tablet key 122 to indicate the operating condition of the optical disc drive unit 10. The movement 13 is obliquely directed from the center of the optical disc drive unit 1 to a corner of the lower casing 112. An elongated fixing groove 131 is bored on the axis of the movement 13, and the fixing groove 131 is driven by the optical disc drive unit. One end of the center is provided with a spindle motor 132' for rotating the optical disc d, and a read head 133 is slid along the remaining fixing slots 131 for reading and writing the data of the optical disc D. The spindle motor 132 has a slider 134 protruding from the side of the near movement 13. The transmission element 15 is disposed on one side of the crime near movement 13 to provide a power source. The transmission motor 151 provided at the front end of the optical disk drive device 10 rotates a wheel set 152 (please refer to the triumph 3) to drive the extension to the rear. One end of the sliding member 153 slides back and forth, and a sliding spring 153 is fixed on the sliding member 153. The other end of the ejecting spring 1531 is supported by a slidable slider 1532. The slider 1532 forms a rear wall of the sliding & The first chute 1533 is connected to the second chute 1534 and the third chute 1535, and a stop 1538 is protruded near the center of the rear end wall of the sliding member 153, so that the other side of the first chute 1533 is The separation forms an initial groove 1539. Referring to FIG. 2, the side of the sliding member 153 is provided with a rack 1536 at the front end of the sliding member 153, which is driven by the gear set 152, and the lifting groove 1537 is dug near the center, so that the sliding portion 134 of the movement 13 is embedded and slid, so that the sliding portion 134 As the slider 153 slides back and forth, the lifter 1537 is raised and lowered. The feeding unit 14 is disposed on the other side of the transmission unit 15 opposite to the movement 13, and mainly includes a sliding plate 141, a transmission rod 142 and a feeding lever 143. One side of the sliding plate 141 is fixed on the sliding member 153, along with the sliding member 153. The lower case 112 slides. The sliding plate 141 is provided with a first guiding groove 1411, and is connected to the backwardly extending 5th guiding groove 1412 and the second guiding groove 1413, and further extending the two shorter fourth guiding grooves 1414 and the fifth guiding groove ^15 ( Please refer to Figure 3). The transmission rod 142 is a Y-shaped rod. The center 1421 is fixed to the lower casing 112. One end is fixed to a first guiding portion 1422 protruding downward from the 200834548, and is embedded in the first guiding groove 1411. One end is fixed to a second guiding protrusion protruding downward. 1423 is suspended above the sliding member 153, and the other end is fixed with a downwardly protruding third guiding end 1424. One end of the feed lever 143 is fixed to one side of the lower casing 2, and a groove 1431 is defined in the axial direction. The second guide 1424 is embedded in the groove 1431 and is slidable therein to drive the feed lever 143 to rotate. A substrate 18 is laid flat on the upper rear side of the optical disk drive, covering the rear side of the salt meter 19 and the slider 153. The substrate 18 is provided with a plurality of arc grooves 181, a second arc groove 182, a third arc groove 183, a fourth arc groove 184, a first/slot groove 185 and a second chute 186. The substrate 18 is further provided with a sector slot 187 in a corner. In addition, please refer to FIG. 1 and FIG. 3 simultaneously. The tab unit 17 is provided with a latching member m, a tab 172, a positioning rod 173, a reset lever 174, and a tension spring. The 175, the reset torsion spring 176 and the traction spring 177 are formed. The rotation center 1711 of the l-shaped latching member 171 is fixed together with the traction spring 177 on the base plate 18 above the sliding member 153. The one end edge of the locking member 171 is upwardly convexly circumscribing the edge 1712 and is suspended from the second guiding end of the transmission rod 142. On the moving path of 1423. A buckle end 1713 is protruded from the other end of the latching member 171, and one end of the traction spring I? is fixed to the periphery of the latching member 171, so that the end of the latching end 1713 is maintained toward the optical disc (the state of the center of the machine 10. The tension spring The 175-end is fixed to the latching member 171 ^ " the end of the retaining edge I712, and passes through the center of rotation 1711 to reduce the influence of the rotation of the latching member 171. The other end of the tension spring 175 is fixed to the transmission rod 142 to make the transmission rod The tab end of the 142 drive feed lever 143 extends toward the front end of the optical disc drive 10. The tab 172 is also L-shaped, is disposed on the base plate 18, and is located on the opposite side of the latch member 171, and the tab lever 172 extends toward The second flat side 1721 of the center of the optical disc drive is provided with a first guiding end 1722 and a second guiding end 1723, respectively embedded in the z-th inclined groove 185 and the second inclined groove 186, so that the connecting rod Π 2 is along the first A chute 185 and a dimple 186 are laterally slid. The first guide bow tip 1722 9 200834548 passes through the first chute 185 and is just in motion.

Test switch 194. Flat extension side 172] near the front end of a small two: two brothers: J end is recessed with a buckle groove 1724, the other piece of the 捍 172 172, and the other end of the sheep, the other side of the straight extension 1725, The first side of the machine is 1〇, the sub-protrusion flange 1726

The tab i72 extends a slider 1727 near the center.丨二=片一D rotatably set on the substrate 18 near the slider 1727 & ^

The moving slot 1741 is provided with the sliding buckle 1727, and the side of the reset lever m ί is extended - the tab 1742, passes through the fourth arc slot 184, and is pressed by the H-shaped return torsion spring 176 to lower the body height and the downward direction. The optical disk drive 10 is reset. I is connected to the moon cup 172. The positioning rod 173 is rotatably fixed in the substrate 18 and protrudes downwardly - the first touch, said through the third arc groove 183 ^ = the fifth sensing off 195, the positioning rod 173 The end is extended forward to the vicinity of the spindle motor 132, and a cymbal 32 is protruded downwardly from the intermediate portion to be slid in the second arc groove 182 to strengthen the supporting strength of the positioning rod 173. A reset spring 丨7 is additionally disposed near the fixed end of the positioning rod 173, and the reset pull 1733 is fixed to the positioning rod 173, and the other end is fixed on the substrate 18.

The unloading unit 16 includes a first link 161, a second link 162, and a retraction lever 163. The first link 161 and the second link 162 are disposed on the lower side of the substrate 18, and the eject lever i63 is disposed on the upper side of the substrate 18. One end of the first link i6i is rotatably fixed to the lower side of the substrate 18, and the first end of the first link i6i is respectively protruded downwardly from the first driving tip 1611 and the second driving tip 1612. The first driving tip 1611 is embedded in the first sliding slot of the sliding member 153. 1533, driven by the slider 153. The second connecting cup 162 is disposed on the lower side of the substrate 18, and the other end is connected to the second driving tip 12'. The other end extends below the sector slot ι87 of the substrate 18. A guiding tip is protruded near the middle of the second connecting rod 162. 1621, a first arc slot 181 is embedded to guide the second link 162 to be linked, and a second contact 1622 is protruded downwardly from the vicinity of the guiding tip 1621. The first sensing opening nearby can be touched. . The end of the ejecting lever 163 is rotatably fixed to the upper side of the center of the sector slot 187, and a fixing tip 1631 is protruded downwardly from the periphery of the fixing end. The fixing tip 1631 passes through the sector slot 187 and is rotatably connected to the second link below. 162 one end. The power of the transmission unit 15 is rotated by the first link 161 and the second link 162 to rotate the eject lever 163, and the other end of the eject lever 163 is obliquely extended to the vicinity of the spindle motor 132, and has a near-middle portion. Zigzag 1632.

In addition, the sensing unit 19 is composed of a first sensing switch 191, a second sensing switch 192, a third sensing switch 193, a fourth sensing switch 194, and a second sensing switch 195, and the sensing switches can be It is a limit switch (Limit Switch). The sensing unit 19 is dispersedly disposed on the rear side of the lower case 112. The first sensing switch 192 and the third sensing switch 193 are disposed on the rear side of the sliding member 153 to respectively measure the end points of the feeding and unwinding, so as to cut off the power source of the transmission unit=. The first sensing switch 191, the fourth sensing switch 194, and the fifth sensing switch 195 respectively cooperate with the unloading unit 16, the tab 172 and the clamping rod 173 to detect the moving state, and use the sequence of the switch as a judgment. Dial the size of the disc D. As shown in FIG. 3, it is the initial state of the optical disk drive 1 that is not in the film. The sliding member 153 is located on the rear side of the shackle of the casing, and the third sensing switch 119 is in an "off" state, and the second sensing switch 192 is in an "open" state, and the sliding plate 141 is also located on the rear side. , the transmission rod 142 is used to clamp the first guide groove 1411 by the pulling force of the first guide groove 1422, so that the tab end of the input lens lever 143 extends to the inner side of the optical disk drive 1 。. At the same time, the latching member 171 is also acted upon by the traction spring 177, so that the latching end 1713 is engaged with the latch 1 1724 of the 2, and the reset lever 174 is pressed by the reset torsion spring 176 to maintain the tab 172 on the disc. The position of the inside of the machine 1 is turned on, and the fourth sensing switch 194 is turned "on" by ^ 1722. The positioning ϊ ΐΤ ΐΤ 1 1 733 733 733 733 733 733 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 定位 173 173 173 173 173 173 173 定位 定位 定位 ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ The first driving end 200834548 1611 of the first link 161 of the unloading unit 16 stays in the initial slot 1539 under the restriction of the first sliding slot 1533 of the slider 153, so that the second link 162 maintains the ejection lever 163 One end obliquely extends to the vicinity of the spindle motor 132, and the second contact 1622 of the second link 162 touches the first sensing switch 191 to be in an "on" state. As shown in FIG. 4, the optical disc drive of the present invention is guided. The size of the coffee centimeter is the process of the filming of the disc. When the large-size optical disc j) is inserted into the optical disc drive 10, since the width of the optical disc drive 10 is slightly larger than the diameter of the large-sized optical disc D, one side of the optical disc D will be pressed against the side of the optical disc drive 1 while the other side is By the user's thrust, the sheet feeding unit 14 is first contacted, and the tab end of the sheet feeding lever 143 is pushed, so that the sheet feeding lever m3 is gradually opened laterally, and the moving strip groove 1431 drives the third guiding rod 1424 to slide. The driving rod 142 is rotated against the tension spring 175, so that the first guiding rod 1422 slides along the first guiding groove 1411, and the second guiding rod 1423 is rotated to push the protruding edge 1712 of the locking piece ι71, so that the locking member 171 resists The traction spring 177 (refer to FIG. 1) moves to release the buckle 1713 from the buckle slot 24 of the tab 172, so that the protruding flange 1726 of the tab 172 is pushed by the optical disc d to resist the reset lever 174. The first guiding tip 1722 and the second guiding tip 1723 are moved in parallel along the first chute 185 and the second chute 186 to the side of the optical disc drive device 1 . At 1 o'clock, the first guiding tip 1722 is separated from the fourth sensing switch 194 to be in an "off" state, and the film of the large-size 12 cm optical disk D is perceived. Regarding the process of the optical disk drive = driving the size of the optical disk D into and out of the film, the applicant has already applied for a patent in the patent application, and the following is only a detailed description of the optical disk drive protection device and method related to the present invention. Port 5 shows the operation of the optical disk drive protection device of the present invention. § gas, the film D continues to be inserted into the optical disk drive 1 〇, the optical disk D pushes the film to move to the side, and drives the transmission rod 142 to rotate, so that the first guiding end and the first guiding groove 1411 slide to the third guiding Slot 1413. At the same time, the deep 2 light, the periphery of the film D, will push the tab end of the extended retraction lever M3 successively, so that the push-back flap 163 is rotated, and the second link 162 is applied to the 200834548 through the fixed tip 1631. The first link is pushed on the slider 153 without the first driving tip 1611 to push the slider 1532 against the ejection spring ' ^ a driving tip 1611 leaves the initial slot 1539, and moves the second connection =, the second touch on the person The tip 1622 is disengaged from the first sensing switch 191, ^ state, and the optical disc drive 10 will immediately activate the transmission motor 151, rotate the gum set 152, and drive the slider 153 to move forward while starting the time of the far 151 start. If the drive disc 丨 51 is started, the disc D is pulled out. Since the disc D is not positioned, the first drive tip 1611 moves along the first 'from the initial slot 1539 to the other side, but Not exceeding the limit of 1538. As shown in Fig. 6, the case where the optical disc player 10 draws out the optical disc is shown. The moving 151 will move forward along with the moving south 153, so that the sliding plate l4i ^ moves forward, the first guiding end 1422 of the transmission rod 142 slides in and slides along the third guiding J 1413, and the rotating transmission rod 142 drives the feeding The lever 143 is rotated in the direction of the dialing light 2, and since the disc D is being pulled away, the disc D cannot continue, and the tab end of the tab 163 and the positioning lever 173 are pushed back. The ejection lever 163 cannot be rotated, and the second link 162 and the first link 161 are continuously driven without the first driving tip 1611 continuing to rotate. The forward sliding member 153, while the driving tip 1611 releases the ejection spring 1531, and causes the slider 1532 to restrict the two driving tips 1611 from entering the first slot 15115 on the side of the initial slot 1539 at the first link 161 rotation length limit Next, it is blocked by the stopper 1538, and the helmet method is moved to the positioning third chute 1535 of the large-sized optical disc D. In addition, the sliding member 153 driven by the 151 is also blocked by the first driving tip 1611 by the stopper 1538, and cannot be moved forward to raise the movement 13, thereby avoiding the slow extraction of the optical disk D and being scraped by the ascending movement 13 Injury or pressure loss. Because the movement of the slider 153 is blocked, the slider 153 cannot move forward to release the second sensing switch 192 to stop starting the transmission motor 151 and the counting time. When the driving time of the driving motor 151 is started for more than a predetermined time: about 1-3 Second, the predetermined time is the CD player 10 under normal circumstances, transmission horse 200834548

ΪΓ, 1 'sufficiently (4) the slider 153 is displaced to the optical disc D i, the movable member 153 operates the third sensing switch 193, the regenerative machine is engaged, and then the transmission motor 151 is stopped to facilitate the next feeding of the optical unit 10. u Figure 7 is not a state in which the small-sized optical disc C is abnormally fed. When the virtual optical disc C is inserted into the optical disc drive 10 obliquely as indicated by the arrow, the pusher end of the retracting slide lever can be pushed and rotated, and the tip 1631 is applied to the first stage. The second link 162 rotates the first h link 161 to move the first driving tip 1611 away from the initial slot 1539, and moves the second link 162 to disengage the second contact 1622 from the first sensing switch 191. In the "off" state, the optical disk drive 10 will immediately start the drive 151, rotate the gear set 152, and drive the slider 153 to move forward, starting with the time when the drive motor 151 is started. Since the small-sized optical disc C is completely immersed in the optical disc drive 1 , the retractable lever 163 cannot be continuously pushed, and the first driving end 1611 is driven by the initial slot 1539 over the block 1538, even after the driving motor ι 51 is started, the transmission is driven. The motor ι51 continues to drive the slider 153 to move forward, so that the slider 141 moves forward, the first guiding end 1422 of the transmission rod 142 slides in and slides along the third guiding slot 1413, and the rotating transmission rod 142 drives the feeding lever 143. Turning in the direction of dialing the disc C, 'However, the small-sized disc C moves the distance of the input lever 143, and then pushes the small-sized disc C to continue pushing the retracting lever 163 and the positioning rod 173 Chip end. The ejection lever 163 cannot rotate, and the second link 162 and the first link 161 are continuously driven, but the first driving tip 1611 cannot be rotated continuously to move forward of the sliding member 153, and the stopper 1538 is blocked from the first driving tip. 1611. Positioning the second sliding slot 1534 of the first driving tip 1611 200834548 ίί 151 1 ft size optical disc C under the rotation limit of the first connecting rod ι61. The sliding member I53 of the transmission horse 1538 π is also blocked by the first driving tip 1611, and cannot be moved forward to raise the movement 13, thereby avoiding scratches or ridges, and the small-sized optical disc C which is jammed . The forward movement 5 is blocked by the movement of the sliding member 153, and the sliding member 153 cannot be moved to the second sensing switch 192 to stop the driving motor 151 neck Ρ1, θ1, when the timing of starting the transmission motor 151 exceeds the predetermined direction i =1 ~3 seconds, that is, the reverse drive motor 151, driving the sliding member 153 屮丨 to drive the ejection lever 163 to rotate outward, the reverse feeding process, pushing back, Ϊ, C, to the sliding member 153 to operate the third sensing switch 193, the film mechanism to the position of Figure 4, and then stop the drive motor i5i, so that the 2 first disc c is out of the optical disc drive 10' to facilitate the removal and facilitate the next step of the machine 1 U. ^Invented CD player protection method, through a plurality of sensing switch actions ΐ ί ί ' 配合 配合 配合 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 传动 配合 配合 传动 传动 传动 配合 配合 传动 传动 传动S1: inserting the optical disc into the optical disc drive, and starting the disc loading operation 0 ', step S2: detecting whether the first sensing switch (SW1) is in the off state ωρη state? If it is otherwise returned to step S1 to continue loading the disc, if it is released to form an OFF state, the next step is performed. "Exhaustion step S3: When the first-sensing switch- is released, the drive motor is started immediately. k ^ Step S4: When the drive transmission motor is started, the timing of the simultaneous start is used as a judgment as to whether the optical disc drive is operating normally. According to the step. * Step S5: Compare the timing time with a predetermined time. If the predetermined time is not exceeded, proceed to the next step 6 and the second predetermined time, then proceed to step 7. The juice 犄% exceeds 15 200834548 Step S6: Check The second sensing switch (SW2)b when the second sensing switch (SW2) is still held = two == meter (four) second sense ·; release is OFF (OFF) sad 4, then proceeds to step S9. When the machine time exceeds the predetermined time, reverse the drive motor,

At step: detecting whether the third sensing switch (SW3) is Ϊ? If the third sensing switch (SW3) still maintains the release off (1), 'evil, then step S7 continues; 5 wire squeezing the civil order Off (0FF) shape ^^^^(0FF)ikl (SW3> J^S9: Stop the drive motor rotation and complete the light machine return. Step SH): End the disc loading action. The nine-disc machine returned. Therefore, the use of the optical disc player of the present invention = the optical disc of the present invention = the time piece: the structure, the lower part, the lowering, the turning drive motor, the returning and retracting disc of the optical disc machine, so that the optical disc machine advances and retracts the mechanism The invention is directed to a preferred embodiment of the invention, and is intended to be illustrative of the preferred embodiments of the invention. In the spirit of the present invention, all of them belong to the present invention. Patent application 200834548 [Simplified description of the drawings] Fig. 1 is an exploded view of the optical disc drive of the present invention. Figure 2 is a side elevational view of the slider of the present invention. Figure 3 is a top view of the initial state of the optical disk drive of the present invention. Figure 4 is a top plan view of a large size optical disc in the present invention. Figure 5 is a top view of the drive motor of the CD player of the present invention. Figure 6 is a top view of the optical disc drive of the present invention. Second, the invention of the small-sized optical disc start drive motor top view Figure 8 is a flow chart of the optical disc drive protection method of the present invention.

[Main component symbol description 3 10 CD player 11 Housing 111 Upper case 112 Lower case 12 Panel 121 Entry and exit 122 Rewind button 123 Display lamp 13 Movement 131 Fixing groove 132 Spindle motor 133 Read head 134 Slide tip 14 Feed unit 141 slide 1411 first guide groove 1412 second guide groove

1621 guide tip 1622 second contact 163 retraction lever 1631 fixed tip 1632 meander 17 tab single 171 latching member 1711 rotation center Π 12 rib 1713 spigot 172 tab rod 1721 flat side 1722 first guiding tip 1723 second guiding tip 1724 buckle groove 162 second connecting rod 1725 straight extending side 17 200834548 1413 third guiding groove 1414 fourth guiding groove 1415 fifth guiding groove 142 transmission rod 1421 center 1422 first guiding end 1423 second guiding end 1424 Third guide tip 143 Inlet lever 1431 slot 15 Transmission unit 151 Transmission motor 152 Gear set 153 Slider 1531 Retraction spring 1532 Slider 1533 First chute 1534 Second chute 1535 Third chute 1536 Rack 1537 Lifting groove 1538 stopper 1539 initial groove 16 ejector unit 161 first link 1611 first driving tip 1612 second driving tip C, D optical disk S1 loading into the film step 1726 flange 1727 slider 1728 small bump 173 positioning Rod 1731 first contact 1732 support 1733 reset pull 174 reset lever 1741 moving slot 1742 tab 175 tension spring 176 reset torsion spring 177 sign spring 18 substrate 181 first arc slot 182 second arc slot 183 third arc slot 184 fourth arc slot 185 first chute 186 Second chute 187 Sector slot 19 Sensing unit 191 First sensing switch 192 Second sensing switch 193 Third sensing switch 194 Fourth sensing switch 195 Fifth sensing switch 18 200834548 S2 Detection SW1 OFF Step S3 Start Drive Motor Step S4 Timing Step S5 Check Exceeding Preset Time Step S6 Detect SW2 OFF Step S7 Reverse Drive Motor Step S8 Detect SW3 0N Step S9 Stop Drive Motor Step S10 End Step 19

Claims (1)

200834548 Patent application park: ι· - A kind of CD player protection device, including · · Transmission unit, power supply moving a sliding groove, sliding = with n pieces with sliding disc into the film early, linked with the sliding piece, Turn the -4: rod into the one-piece retraction unit, which is a stacking machine, the _ ^ end is driven by a slot, and the other end is rotated by the retractable blade. Or launching another optical sensing unit, including the first minus-measurement switch, three-sensing switch, etc. 'first-sensing open two-position:: slice ί off; the first "sensing switch and the third sensing switch" Set to slide === to detect the movement state of the unloading unit and the shaft. Move the side of the road = 'Single== the first disc protection device mentioned in the first item, where the drive motor supplies power; The group is rotated by the transmission motor, and the moving slider is moved, and the motor is started by the action of the first sensing switch, and stops by the action of one of the first sensing switch and the third sensing switch. The optical disk drive protection device of the first aspect of the patent, wherein the rear of the sliding member The end wall forms the sliding slot, and the sliding slot is divided into a first horizontal shape and a second sliding groove and a third sliding groove on the other side of the initial groove. 曰4·, according to the optical disc of claim 3 The protection device of the present invention, the second chute and the third chute are the size-size optical disc guiding chutes extending in the backward direction. The optical disc protection device according to the third aspect of the application, wherein The block is longitudinally protruded from the first sliding slot, and separates the initial slot, the second sliding slot, and the third sliding slot, but still maintains the communication between the first sliding slot and the second sliding slot and the third sliding slot. The optical disk drive protection device of the third aspect, wherein the stop is disposed near the center of the rear end wall of the sliding member. 20 200834548 The optical disk protection device according to the third aspect of the patent scope, wherein the component includes a slide The block, the slider and the rear wall of the sliding # are formed, according to the optical disc protection device according to the first item of the patent scope, the measuring switch and the third sensing switch are disposed at the rear end detecting sliding member of the sliding member. Moving distance. = According to r, please use the light protection device mentioned in item 8 of the special garden. The measuring switch senses the end point of the feeding piece, and the third sensing switch senses the end point of the unwinding piece. / "l: H According to the optical disk protection device described in the patent application scope 帛i, wherein the sensing switch is limited The optical disk drive protection device of claim 1, wherein the unloading element further comprises: a first connecting rod, one end of which is rotatably fixed to the optical disk drive, and one end of which is respectively protruded to the second driving The first connecting rod of the tip and the sliding member is connected to the first connecting rod at one end; and the ejector lever is rotatably fixed to the substrate at one end, and the other end of the first connecting rod is rotated and rotated. The optical disc drive protection device of claim 5, wherein the second link is further protruded from the second contact, and the first sensing switch is activated. 13·—A method for protecting an optical disc drive, the steps comprising: (1) loading a first disc; (2) detecting whether the first sensing switch operates? If you enter the next position, otherwise go back to step (1); (3) start the drive motor; (4) start timing; (5) check if the timing time exceeds the preset time? If you enter the dream (7), otherwise go to the next step; (6) Check if the second sensor switch is active? If it is to enter step (9), no 21 200834548 then go back to step (4); and (7) reverse the drive motor; (9) " (for the drive motor. : 2 is ϊ in the Hf range 帛 13 items In the CD player protection method, the detection of the switch is triggered by the switch 0〇FF. • According to the CD player protection method described in claim 13 of the patent application, the action of the second sensing switch is being detected. In order to determine whether the optical disc is protected according to the optical disc drive method described in claim 13 of the patent application, the basin step (8) detects the action of the third sensing switch to determine that the optical disc drive is a return to the g-element. The disc drive protection method according to the item 18 of the scope, the re-entry operation can simultaneously launch the disc. /, 20. The optical disc drive protection method according to claim 13 of the patent application scope, wherein the step (5) is scheduled. It is the time required for the CD player to start the drive motor to move the optical disc to the positioning under normal conditions.