CN102403005A - Thin optical drive - Google Patents
Thin optical drive Download PDFInfo
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- CN102403005A CN102403005A CN2010102822426A CN201010282242A CN102403005A CN 102403005 A CN102403005 A CN 102403005A CN 2010102822426 A CN2010102822426 A CN 2010102822426A CN 201010282242 A CN201010282242 A CN 201010282242A CN 102403005 A CN102403005 A CN 102403005A
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- winding displacement
- thin optical
- optical disc
- disc machine
- isolation part
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Abstract
The invention discloses a thin optical drive. A slide rail is arranged on a lower shell, and a connector is disposed at the rear end of the thin optical drive. A tray is supported by the slide rail to slide into or out of the optical drive, and a protecting bottom plate is provided with a partition portion and covered at the bottom of the tray. One end of each flat cable is connected with the connector, flatly attached to the lower shell and reversely inwardly bent to form a bent area nearby an opening, and the other end of each flat cable is connected to the rear end of the tray. When the tray slides into the optical drive to realize reading and writing, the flat cables are stored between the protecting bottom plate and the lower shell, the partition portion is positioned above the bent areas of the flat cables and covers a preset amount of flat cables of circuits, and accordingly, signal interference is reduced.
Description
Technical field
The present invention relates to a kind of CD player, especially relate to and utilize pallet carrying disc sheet turnover CD player, to change the thin optical disc machine of discs or writable disc sheet data.
Background technology
Thin optical disc machine utilize P.e.c. winding displacement (Flexible Printed Circuit; Be called for short the FPC winding displacement) or soft arranging wire (Flexible Flat Circuit; Be called for short the FFC winding displacement) etc. two kinds of winding displacements; Be electrically connected fixing motherboard and movable pallet, the transmission of the power supply and the read-write of electronic component on the pallet is provided.
As shown in Figure 1, it is to establish a main circuit board 3 in the rear end of lower casing 2 for existing slim CD player 1, and the both sides of lower casing 2 are provided with guide rail (figure does not show), and the pallet 5 of support bearing discs 4 slides into or skid off CD player 1.Spindle Motor 6 rotating disc sheets 4 are set on the pallet 5 in addition, and the read head 7 of writable disc sheet 4 data.The rear end of pallet 5 connects winding displacement 8; The other end of winding displacement 8 is connected main circuit board 3; Let main circuit board 3 via winding displacement 8 transferring electric powers and control signal, control Spindle Motor 6 rotating disc sheets 4 move discs 4 readout data signals of read head 7 from rotate; Pass main circuit board 3 back through winding displacement 8 again, carry out signal Processing.In order to protect the precision component on the pallet 5, receive user's touch when avoiding skidding off CD player 1 and reduce electromagnetic interference (EMI), pallet 5 bottoms cover the protection base plate 9 of a metal.
Wherein, after winding displacement 8 one ends connect main circuit board 3, extend, and the smooth lower casing 2 that is fixed on to the opening 10 of CD player 1 front end, during near opening 10 oppositely in, form bending district 11, be connected the rear end of pallet 5 with suspended pattern.When pallet 5 carrying disc sheets 4 slide into CD player 1 when reading and writing, winding displacement 8 is incorporated in the space of 2 of protection base plate 9 and lower casings.
Yet slim CD player 1 reduces the thickness of CD player 1 in order to meet the compact propensity to consume; Make protection base plate 9 approaching each other with lower casing 2; Cause winding displacement 8 to be compressed in the limited space, cause the interference of winding displacement 8 transmission signals, reduce CD player 1 stability.Therefore, existing thin optical disc machine is in the interference of winding displacement 8 transmission signals, and 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 thin optical disc machine,, reduce the capacity effect of protection base plate and lower casing, to avoid the interference of winding displacement transmission signals through setting up the isolation part of winding displacement.
Another purpose of the present invention is to provide a kind of thin optical disc machine, will be positioned at the protection base plate in winding displacement bending district, forms through hole, reduces capacity effect, to reduce the interference of winding displacement transmission signals.
Still a further object of the present invention is to provide a kind of thin optical disc machine, and only to weak signal circuit in the winding displacement, the protection base plate in the bending district forms through hole, reduces capacity effect, to reduce the interference of winding displacement transmission signals.
Another object of the present invention is to provide a kind of thin optical disc machine, to number weak signal circuit in the winding displacement, according to the strong and weak circuit of signal; At the protection base plate that bending is distinguished, form several exhausting holes in different apertures, reduce capacity effect; Take the protection part simultaneously into account, to reduce the interference of winding displacement transmission signals.
Another object of the present invention is to provide a kind of thin optical disc machine, and the protection base plate in winding displacement bending district forms the isolation part, cooperates the insulation course between winding displacement and lower casing, strengthens reducing capacity effect, to reduce the interference of winding displacement transmission signals.
In order to reach the purpose of aforementioned invention, thin optical disc machine of the present invention is established slide rail in the both sides of lower casing, and a connector is established in the rear end, and pallet is supported by slide rail and slides into or skid off CD player, utilizes a protection base plate to cover the bottom, and the protection base plate is established the isolation part.Include the winding displacement of several circuits, an end connects connector, the smooth lower casing that is fixed on; The reverse interior bending district that forms during near opening; The winding displacement other end suspends and to be connected the rear end of pallet, and when pallet slides into CD player when reading and writing, winding displacement is accommodated between protection base plate and lower casing; And the isolation part is positioned at the top in winding displacement bending district, covers the winding displacement of predetermined bar circuit.
The isolation part of thin optical disc machine of the present invention comprises at least one through hole or a plurality of through holes of a row; Can only cover in the winding displacement weak signal circuit or cover number row weak signal circuits in the winding displacement respectively; And the through hole of broad covers the circuit of strong signal, and narrower through hole covers the circuit than weak signal.In addition, establish insulation course between winding displacement and lower casing, and insulation course can be located at the bending district of winding displacement.Winding displacement can be the FFC winding displacement, and the isolation part can be an insulation course.
Description of drawings
Fig. 1 is the sectional side view of existing thin optical disc machine.；
Fig. 2 is the partial enlarged drawing in A district among Fig. 1;
Fig. 3 is the isometric front view of first embodiment of the invention thin optical disc machine;
Fig. 4 is the rear isometric view of first embodiment of the invention thin optical disc machine;
Fig. 5 is the sectional side view of thin optical disc machine of the present invention;
Fig. 6 is the protection base plate of second embodiment of the invention thin optical disc machine;
Fig. 7 is the protection base plate of third embodiment of the invention thin optical disc machine;
Fig. 8 is the protection base plate of fourth embodiment of the invention thin optical disc machine;
Fig. 9 is the partial side sectional view of fifth embodiment of the invention thin optical disc machine.
The main element symbol description
Connector 23
Opening 24
Bending district 25,75
Spindle Motor 27
Read head 28
Slide rail 29
Through hole 32
Insulation course 72
Embodiment
Relevant the present invention is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof lift preferred embodiment now, and conjunction with figs. are explained as follows.
See also Fig. 2, be the partial enlarged drawing in A district among Fig. 1.Analyze existing thin optical disc machine and produce the reason that winding displacement 8 signals disturb.Be because the thickness limits of thin optical disc machine; Make the lower casing 2 and the protection base plate 9 that are metal material approaching each other; Adding the winding displacement of taking in therebetween 8 has electric current to pass through; The inductance effect makes the electronics of the opposite sex, accumulates in lower casing 2 and protection base plate 9 very easily respectively, and forms the capacity effect (Effect of Capacity) of 9 of lower casing 2 and protection base plates.When assembling electronics when too many, the inductance effect that capacity effect produced strengthens, and can produce the signal of winding displacement 8 transmission to disturb, and especially more accurate to semaphore request SATA type CD player disturbs even more serious.
11 macrobendings turn in the bending district because of the electric current of winding displacement 8, and electromagnetic change is maximum, and through test, the position that capacity effect is the strongest just occurs in the reverse bending district 11 of winding displacement 8, often causes signal to disturb, and it is stable influence CD player.Though the FPC winding displacement can need according to the configuration of CD player, for example make the thin external forms of various shape such as U type, reduce the folded height of pushing away of winding displacement, reduce capacity effect, manufacture process is comparatively accurate loaded down with trivial details, and cost is higher.Therefore recently CD player gradually adopts FFC winding displacement cheaply, but the FFC winding displacement of vertical bar shaped is thicker, and can't arbitrarily crooked smooth configuration, must macrobending turns to push away folded use, and the utmost point is prone to the interference problem that causes signal to transmit.And along with the thickness of CD player is more and more thinner, protection base plate 9 will be more approaching with lower casing 2, and the phenomenon of extruding winding displacement 8 is even more serious, and capacity effect also can be more obvious.
As shown in Figure 3, be the thin optical disc machine of first embodiment of the invention.Present embodiment illustrates with the FFC winding displacement.The winding displacement 21 of CD player 20; After the connection of one end is located at the connector 23 of lower casing 22 rear ends, to opening 24 extensions of CD player 20 front ends, and the smooth lower casing 22 that is fixed on metal material; During near opening 24 oppositely in; Be stacked on the bending district 25 that smooth winding displacement 21 tops form folded end, and, then be connected the rear end of pallet 26 with suspended pattern by the other end winding displacement 21 that extend in bending district 25.Pallet 26 is provided with the Spindle Motor 27 of rotating disc sheet and the precision components such as read head 28 that read and write data, and by the support of 22 liang of wood side-guides 29 of lower casing, can slide into or skid off CD player 20.
Please be simultaneously with reference to figure 4 and Fig. 5, Fig. 4 is the back side of thin optical disc machine 20 of the present invention, Fig. 5 is the sectional side view of thin optical disc machine 20 of the present invention.Pallet 26 utilizes a protection base plate 30 to cover the bottom in order to protect the precision component on it.Establish an isolation part 31 on the protection base plate 30, isolation part 31 is 32 formations of a plurality of through holes of row.When pallet 26 carrying disc sheets 33 slide into CD player 20 when reading and writing, the winding displacement 21 of FFC directly is stacked on smooth winding displacement 21 tops, and is incorporated in the narrow space of 22 of protection base plate 30 and lower casings.Isolation part 31 just is positioned at 25 tops, bending district of winding displacement 21 folded ends.Because the through hole 32 of isolation part 31 reduces the volume of bending district 25 tops protection base plate 30; Reduce in the space that makes electronics to stop; Reduce the lower casing 22 that different in nature electronics rests on 25 places, bending district relatively, and then reduce capacity effect, avoid the winding displacement transmission signals to be interfered.
Therefore; The thin optical disc machine of first embodiment of the invention; Can form a plurality of through holes through the protection base plate that will be positioned at top, winding displacement bending district, set up the isolation part of winding displacement, reduce the capacity effect of protection base plate and lower casing; Reach the purpose of the interference of avoiding the winding displacement transmission signals, increase the stability of CD player simultaneously.In addition, a plurality of through holes of protection base plate can be integrally formed when making the protection base plate, can't increase the material cost of CD player.
As shown in Figure 6, be the protection base plate 40 of second embodiment of the invention thin optical disc machine.The thin optical disc machine basic framework of present embodiment is identical with first embodiment, and the only isolation part 41 on present embodiment protection base plate 40 does not exist together.Because the signal that capacity effect produced disturbs the bending district that occurs in winding displacement, first embodiment only makes less a plurality of through holes with the isolation part for taking the protection precision component into account, reduces the volume of bending district top protection base plate, to reduce capacity effect.Present embodiment is under the risk of sacrificing a point protection precision component; With a plurality of through holes of first embodiment, directly form the bigger through hole in an isolation part 41 at protection base plate 40, the bending district of covering winding displacement; The space that whole eliminating electronics stops, the clear signal of avoiding capacity effect to produce disturbs.By above stated specification, as be reluctant also can the large through-hole of isolation part 41 to be replaced with an insulation course under the risk of sacrificing protection precision component, reach the purpose of avoiding capacity effect to produce equally.
As shown in Figure 7, be the protection base plate 50 of third embodiment of the invention thin optical disc machine.The thin optical disc machine basic framework of present embodiment is identical with first embodiment, and difference is in the isolation part 51 of present embodiment protection base plate 50, and the through hole width of present embodiment isolation part 51 is less.Because winding displacement comprises plurality of transmission lines, the strong and weak difference of each line transmissions, the circuit of strong signal can not receive the interference of capacity effect, and the circuit of weak signal very easily is interfered.Therefore only need form the isolation part 51 of predetermined bar line width, only cover the bending district of winding displacement weak signal circuit,, avoid excessively reducing the function of protection base plate 50 protection precision components simultaneously to reduce capacity effect to the bending district of weak signal circuit.
As shown in Figure 8, be the protection base plate 60 of fourth embodiment of the invention thin optical disc machine.The thin optical disc machine basic framework of present embodiment is identical with first embodiment, and difference is in the through hole that has many row's different in width in the isolation part 61 of present embodiment protection base plate 60.Of the 3rd embodiment, when winding displacement has the weak signal circuit of several dispersions, also can be according to the power of signal; Bending district to the weak signal circuit; Form the isolation part 61 of number row different in width through hole, the through hole of broad covers stronger signal line, and the more weak signal line of narrower covering; Produce to reduce capacity effect, avoid reducing the function of protection base plate 60 protection precision components simultaneously.
Therefore, thin optical disc machine of the present invention can be to the weak signal circuit in the winding displacement; According to the strong and weak circuit of signal, protection base plate, several exhausting holes in formation different in width, aperture in the bending district; Constitute the isolation part, cover the strong and weak circuit of signal respectively, reduce capacity effect; Take the protection part simultaneously into account, reach the purpose of the interference that reduces the winding displacement transmission signals.
As shown in Figure 9, be the fifth embodiment of the invention thin optical disc machine.The thin optical disc machine basic framework of present embodiment is identical with first embodiment, and difference is in present embodiment winding displacement 70 and 71 of the lower casings insulation course 72 that is sticked.Previous embodiment all is provided with isolation part 74 at protection base plate 73; Folk prescription reduces the space that electronics stops; Though can reduce the capacitive sensing of protection base plate 73 and lower casing 71 relatively, if can reduce the space that lower casing 71 electronics stop simultaneously, then can significantly reduce capacitive sensing.Because winding displacement 70 must firmly be flattened on lower casing 71, squeeze and hinder otherwise be vulnerable to pallet when coming off, and the disabling signal transmission.Therefore; The lower casing 71 that is difficult to below winding displacement 70 forms through hole; Present embodiment is to establish insulation course 72 at winding displacement 70 and 71 of lower casings, or only establishes insulation course 72 in the bending district 75 of winding displacement 70, makes lower casing 71 not be vulnerable to winding displacement 70 influences; Form capacitive sensing and reduce, reach the minimizing signal and disturb with protection base plate 73.
Therefore, thin optical disc machine of the present invention can form the isolation part at the protection base plate in winding displacement bending district, cooperates the insulation course between winding displacement and lower casing simultaneously, strengthens reducing capacity effect, reaches and reduces the purpose that the winding displacement transmission signals disturbs.
Above-described content is merely in order to convenient explanation preferred embodiment of the present invention, and 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 that the present invention applies for a patent.
Claims (10)
1. thin optical disc machine comprises:
Lower casing, slide rail is established in both sides, and a connector is established in the rear end;
Pallet is supported by slide rail, can slide into or skid off the opening of CD player, and utilizes a protection base plate to cover the bottom;
Winding displacement comprises several circuits, and winding displacement one end connects this connector, extend to this opening, and smooth this lower casing that is fixed on, oppositely interior formation bending district during near opening, and bend the winding displacement other end of distinguishing extension by this, suspending is connected the rear end of pallet; And
The isolation part is located at the protection base plate;
Wherein, when pallet slides into CD player when reading and writing, winding displacement is accommodated between protection base plate and lower casing, and the isolation part is positioned at the top in winding displacement bending district, covers the predetermined bar circuit of winding displacement.
2. thin optical disc machine as claimed in claim 1, wherein this isolation part comprises at least one through hole.
3. thin optical disc machine as claimed in claim 1, wherein this isolation part comprises a plurality of through holes of at least one row.
4. thin optical disc machine as claimed in claim 1, wherein this isolation part is an insulation course.
5. thin optical disc machine as claimed in claim 1, wherein this isolation part only covers weak signal circuit in the winding displacement.
6. thin optical disc machine as claimed in claim 5, wherein this isolation part forms number row different in width through hole, covers number row weak signal circuit in the winding displacement respectively.
7. thin optical disc machine as claimed in claim 6, wherein the through hole of this broad covers the circuit of strong signal, and narrower through hole covers the circuit than weak signal.
8. thin optical disc machine as claimed in claim 1 is wherein established insulation course between this winding displacement and lower casing.
9. thin optical disc machine as claimed in claim 7, wherein this insulation course is located at the bending district of winding displacement.
10. thin optical disc machine as claimed in claim 1, wherein this winding displacement is a soft arranging wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102822426A CN102403005A (en) | 2010-09-09 | 2010-09-09 | Thin optical drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102822426A CN102403005A (en) | 2010-09-09 | 2010-09-09 | Thin optical drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102403005A true CN102403005A (en) | 2012-04-04 |
Family
ID=45885143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102822426A Pending CN102403005A (en) | 2010-09-09 | 2010-09-09 | Thin optical drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102403005A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854677A (en) * | 2012-12-06 | 2014-06-11 | 建兴电子科技股份有限公司 | Cd driver |
| CN113646664A (en) * | 2019-03-29 | 2021-11-12 | 富士胶片株式会社 | Radiographic imaging device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225568B1 (en) * | 1998-08-31 | 2001-05-01 | Advanced Flexible Circuits Co., Ltd. | Circuit board having shielding planes with varied void opening patterns for controlling the impedance and the transmission time |
| CN1967706A (en) * | 2005-11-15 | 2007-05-23 | 华硕电脑股份有限公司 | CD-ROM drive |
| CN201112678Y (en) * | 2007-06-12 | 2008-09-10 | 鸿富资讯股份有限公司 | Winding displacement connector |
| TW200905669A (en) * | 2007-07-19 | 2009-02-01 | Quanta Storage Inc | Wear-proof device for a flexible circuit of an optical disk drive |
-
2010
- 2010-09-09 CN CN2010102822426A patent/CN102403005A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225568B1 (en) * | 1998-08-31 | 2001-05-01 | Advanced Flexible Circuits Co., Ltd. | Circuit board having shielding planes with varied void opening patterns for controlling the impedance and the transmission time |
| CN1967706A (en) * | 2005-11-15 | 2007-05-23 | 华硕电脑股份有限公司 | CD-ROM drive |
| CN201112678Y (en) * | 2007-06-12 | 2008-09-10 | 鸿富资讯股份有限公司 | Winding displacement connector |
| TW200905669A (en) * | 2007-07-19 | 2009-02-01 | Quanta Storage Inc | Wear-proof device for a flexible circuit of an optical disk drive |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854677A (en) * | 2012-12-06 | 2014-06-11 | 建兴电子科技股份有限公司 | Cd driver |
| CN113646664A (en) * | 2019-03-29 | 2021-11-12 | 富士胶片株式会社 | Radiographic imaging device |
| CN113646664B (en) * | 2019-03-29 | 2024-03-15 | 富士胶片株式会社 | Radiographic imaging apparatus |
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Application publication date: 20120404 |