CN1189870C - Adjustable 3D laser detecting unit - Google Patents
Adjustable 3D laser detecting unit Download PDFInfo
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- CN1189870C CN1189870C CNB021033927A CN02103392A CN1189870C CN 1189870 C CN1189870 C CN 1189870C CN B021033927 A CNB021033927 A CN B021033927A CN 02103392 A CN02103392 A CN 02103392A CN 1189870 C CN1189870 C CN 1189870C
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Abstract
The present invention relates to an adjustable three-dimensional laser detecting device which is used for adjustably detecting a laser emitting source which slides in a sliding slot, for example, a laser emitted by an optical read/write head. The present invention comprises a fixing part, an adjusting member and a laser detecting part, wherein the fixing part is used for relatively fixing the laser emitting source; the adjusting member is arranged on the fixing part, and the adjusting member has a first platform part and a first adjusting part, wherein the first platform part is movably coupled to the fixing part, and the first adjusting part is coupled to the first platform part to make the first platform part move in the first direction relative to the fixing part; the first adjusting part is positioned in a main body. The laser detecting part is coupled to the adjusting member, and the laser detecting part is provided with a detector used fro detecting lasers emitted by the laser emitting source. When the laser emitting source is fixed by the fixing part, the relative position of the laser emitting source and the fixing part is fixed, and the relative position of the detector and the laser emitting source can be adjusted by the adjusting member.
Description
Technical field
The present invention relates to a kind of adjustable 3 D laser detecting unit, particularly relate to a kind of three-dimensional platform of adjusting that has, can carry out the three-dimensional laser detecting unit that moves, the wherein three-dimensional adjustment part of adjusting platform is hidden in adjusts platform inside.
Background technology
CD is one of common in recent years Storage Media.CD player and its CD that is suitable for have various ways, for example CD, DVD etc.; Yet, no matter be which kind of CD player, can normally read or write in order to make the data that are stored in the CD, optical read/write head (Optical Head) is a very important key factor.
In the manufacturing process of CD player,, must carry out the laser spots of optical read/write head and proofread and correct (power calibration) for whether the detection optical read/write head meets quality standard.General existing way is as shown in Figure 1, uses a laser detecting device 100 to place on the optical read/write head 82, and laser detecting device 100 has a photodiode 110, in order to detect the laser that is sent by object lens 84.Yet, above-mentioned laser detecting device 100 since with optical read/write head 82 relative fixed, therefore must use the photodiode 110 of large-size (to be about 1cm usually
2), the photodiode of employed reduced size can't use on the general optical read/write head.Not only cost is too high for large-sized photodiode like this, nor easily obtains.
In order to solve this problem, come to carry out the laser spots correct detection if will directly use the low profile photovoltaic diode of general optical read/write head as the laser detecting device, then must adjust its three-dimensional position this moment.
Generally speaking, in order to carry out tridimensional adjustment, can use the three-dimensional shown in Fig. 2 a and Fig. 2 b to adjust platform 200.The three-dimensional platform 200 of adjusting has a fixed part 250 usually, and X platform part 230, the Y platform part 240 and Z platform part 220 that can move in X, Y, three directions of Z respectively.Shown in Fig. 2 a, Z platform part 220 is coupled to fixed part 250, can be adjusted by the Z axial adjustment portion 225 of a spiral, and moves in Z-direction; X platform part 230 is coupled to Z platform part 220, can be adjusted by the X-axis adjustment part 235 of a spiral, and move 230 in X-direction; And Y platform part 240 is coupled to X platform part 230, can be adjusted by the Y-axis adjustment part 245 of a spiral equally, and move in Y direction.So, can reach tridimensional mobile purpose with respect to fixed part 250.
Yet, seeing also Fig. 3, the optical read/write head 82 of CD player 80 is positioned within the sliding tray 86, and the rest by slide bar 88 slides; And the above-mentioned existing three-dimensional adjusting mechanism of adjusting platform 200, comprise X-axis adjustment part 235, Y-axis adjustment part 245 and Z axial adjustment portion 225, all in the outside of adjusting platform 200, therefore if will be with the existing three-dimensional field that platform 200 is applied to the laser spots correct detection of adjusting, other members that are then easy in the use and CD player 80 interfere with each other, and volume is too big, and miniaturization in addition just is applicable to above-mentioned laser spots correct detection.
Summary of the invention
The object of the present invention is to provide a kind of adjustable 3 D laser detecting unit, can move the position, three-dimensional space of adjusting the laser detecting device by three-dimensional; So, the low profile photovoltaic diode that can directly use general optical read/write head to save the cost of laser detecting unit, and be easy to obtain as detector.
Another object of the present invention is to propose a kind of adjustment platform, can be arranged at the inside of adjusting platform adjusting platform; So, can dwindle the volume of adjusting platform, and can avoid the adjustment part and adjust platform interference of components on every side.
The object of the present invention is achieved like this, a kind of adjustable 3 D laser detecting unit promptly is provided, in order to be detected in a laser emitting source emitted laser of sliding in the sliding tray adjustably, this adjustable 3 D laser detecting unit comprises: a fixed part, and this fixed part is in order to this laser emitting source of relative fixed; One adjusts member, and this adjustment member is arranged on this fixed part, and wherein this adjustment member comprises one first platform part and one first adjustment part, one second platform part and one second adjustment part, one the 3rd platform part and one the 3rd adjustment part; And a laser detective part, being coupled to this adjustment member, this laser detective part has a detector, in order to detect this laser emitting source emitted laser; Wherein when this fixed part was fixed this laser emitting source, the relative position of the two was maintained fixed, and by adjusting this adjustment member, can adjust the relative position of this detector and this laser emitting source.
In the above-mentioned adjustable 3 D laser detecting unit, adjust member and also can be a three-dimensional adjustment part, first platform part is to be coupled to this fixed part movably at first direction; Second platform part is to be coupled to this first platform part movably in the second direction perpendicular to first direction substantially; And the 3rd platform part is to be coupled to this second platform part movably at the third direction perpendicular to first direction and second direction substantially.First adjustment part, second adjustment part and the 3rd adjustment part are respectively coupled to first, second and the 3rd platform part, with so that each platform part is carried out tridimensional relatively moving.
Among above-mentioned first adjustment part, second adjustment part and the 3rd adjustment part, it is preferable that at least one is positioned at the inside of adjusting member; Simultaneously, also can be provided with a slide bar between sliding tray, make laser emitting source slidably be arranged on the slide bar.Again, can be provided with a slide bar fixed part under the fixed part, in order to the engaging slide bar, and fixed part can have a spring leaf, in order to be connected to a side of sliding tray, makes fixed part and laser emitting source relative fixed.Again, detector can use a photodiode, and laser emitting source can be an optical read/write head.
The present invention also provides a kind of three-dimensional platform of adjusting, and comprising: a fixed part; And one adjust member, have one first platform part and one first adjustment part, one second platform part and one second adjustment part, one the 3rd platform part and one the 3rd adjustment part, wherein this first platform part is to be coupled to this fixed part movably at a first direction, and this first adjustment part is coupled to this first platform part, with so that this first platform part move at this first direction with respect to this fixed part; Wherein, this first adjustment part is positioned at the inside of this adjustment member.
In the above-mentioned adjustment platform, this second platform part is to be coupled to this first platform part movably in the second direction perpendicular to first direction substantially, and this second adjustment part is coupled to this second platform part, with so that this second platform part move in second direction with respect to this first platform part; In addition, the 3rd platform part is coupled to this second platform part movably at the third direction perpendicular to first direction and second direction substantially, and the 3rd adjustment part is coupled to the 3rd platform part, with so that the 3rd platform part move at this third direction with respect to this second platform part.
In addition, first adjustment part can be one first spring portion, second adjustment part can be one second spring portion and the 3rd adjustment part can be one the 3rd spring portion.Simultaneously, can use the array mode of slide block and chute to slide between first platform part and fixed part, second platform part and first platform part and the 3rd platform part and second platform part, and reach the purpose that moves relative to each other.
Description of drawings
Fig. 1 is the synoptic diagram of existing laser detecting device;
Fig. 2 a and Fig. 2 b are the existing three-dimensional synoptic diagram of adjusting an example of platform;
Fig. 3 is the synoptic diagram of the optical read/write head of existing CD player;
Fig. 4 a and Fig. 4 b are the stereographic map of the adjustable 3 D laser detecting unit of one embodiment of the invention;
Fig. 4 c is the three-dimensional exploded view of the adjustable 3 D laser detecting unit of the foregoing description;
Fig. 4 d is the vertical view of the adjustable 3 D laser detecting unit of the foregoing description;
Fig. 5 is the synoptic diagram of the adjustable 3 D laser detecting unit detecting optical read/write head of the foregoing description.
Embodiment
See also Fig. 4 a, Fig. 4 b, Fig. 4 c and Fig. 4 d, the adjustable 3 D laser detecting unit 1 of one embodiment of the invention is described.
Shown in Fig. 4 a～Fig. 4 c, the adjustable 3 D laser detecting unit 1 of present embodiment has one and adjusts a platform and a laser detective part 10.Adjust platform and comprise a fixed part 50 and an adjustment member.Adjust member and be arranged on the fixed part 50, comprise a Z platform part (first platform part) 20, one X platform part (second platform part) 30 and one Y platform part (the 3rd platform part) 40.The outside of adjusting member is provided with X-axis adjustment part 35 and Y-axis adjustment part 45, is provided with Z axial adjustment portion 25 and adjust component inside.In addition, fixed part 50 downsides are provided with slide bar fixed part 50a, and a side is provided with a spring leaf 60 in addition.The connection relationship of above-mentioned each element can be referring to shown in the exploded view of Fig. 4 c.Following elder generation is illustrated at the structure of adjusting member.
In the present embodiment, Z platform part 20 has a chute 201, is coupled on the fixed part 50 in the mode that cooperates with the slide rail 501 of fixed part 50, makes Z platform part 20 to move on Z-direction.And Z axial adjustment portion 25 is coupled to Z platform part 20, with so that Z platform part 20 move up and down at the Z axle with respect to fixed part 50.Again, Z axial adjustment portion 25 is positioned at the inside of adjusting member, therefore can not interfere with member on every side.
In addition, X platform part 30 has a chute 301 equally, and the mode that cooperates with the slide rail 202 with Z platform part 20 tops is coupled on the Z platform part 20, makes X platform part 30 to move on X-direction.X-axis adjustment part 35 is made up of the abutting part 35b that a 35a of screw portion and that is coupled to Z platform part 20 1 sides is coupled to X platform part 30 1 sides, connect between 35a of screw portion and abutting part 35b and with spring (not shown), wherein the 35a of screw portion provides a screw to adjust screw (not shown) in order to be provided with one, adjust an end of screw and be connected to this abutting part, wherein adjust screw, X platform part 30 is slided in X-axis with respect to Z platform part 20 by rotation.Similarly, Y platform part 40 also has a chute 401, and the mode that cooperates with the slide rail 302 with X platform part 30 tops is coupled on the X platform part 30, makes Y platform part 40 to slide on Y direction.Y-axis adjustment part 45 is coupled to Y platform part 40, uses so that Y platform part 40 is slided in Y-axis with respect to X platform part 30, and wherein the member of Y-axis adjustment part 45 is identical with X-axis adjustment part 35 with effect, does not repeat them here.X platform part 30 is respectively equipped with perforation 30a and 40a in addition with Y platform part 40, makes instrument to be stretched into to adjust Z axial adjustment portion 25.
In this mandatory declaration, there is no absolute ordinal relation between X of the present invention, Y, three directions of Z, that is to say, adjust that platform can be provided with arbitrarily and the order that is not limited to the Z-X-Y described in the present embodiment.
Again, X-axis adjustment part 35 is arranged on the outside of adjusting member with Y-axis adjustment part 45 in the present embodiment; Yet the present invention also can move to the inside of adjusting member with X-axis adjustment part 35 and Y-axis adjustment part 45, for example as the setting of Z axial adjustment portion 25 in the present embodiment, so that volume more reduces, or more reduces and interferes the possibility that takes place.
In addition, the form that X-axis adjustment part 35 and Y-axis adjustment part 45 also are not limited only to present embodiment is adopted, and can adopt other forms of design, spiral turn-button or any other adjusting gear in for example existing example.
In addition, the joint between each platform part is not to be defined in cooperating of the chute shown in Fig. 4 c and slide rail yet; In other words, chute can exchange each other with cooperating of slide rail, or adopted other forms of any mobile cooperation.
Below see also Fig. 5, the laser detective part 10 of present embodiment is described, and the mode of laser spots correct detection.In the present embodiment, laser detective part 10 is to be coupled to the Y platform part 40 of adjusting member, which is provided with a detector, and for example photodiode 15, in order to detect a laser emitting source, and 82 emitted laser of the optical read/write head of CD player 80 for example.Adjustable 3 D laser detecting unit 1 is in the time will carrying out the laser spots correct detection, earlier the optical read/write head 82 of CD player 80 is placed a side of read/write head sliding tray 86, and with the slide bar fixed part 50a frame of laser detecting unit 1 below above a slide bar 88 of sliding tray 86, elastic reaction by spring leaf 60 is sticked between another wall of optical read/write head 82 and read/write head sliding tray 86, makes fixed part 50 and optical read/write head 82 relative fixed; So, can be by adjusting the three-dimensional mobile laser detective part 10 of member, and adjust the position of photodiode 15, proofread and correct optical read/write head 82 is carried out laser spots.
In this mandatory declaration, the present invention and non-limiting laser detecting unit 1 must carry out the laser spots correct detection in aforesaid relative fixed mode with optical read/write head 82; In other words, the fixed part 50 of laser detecting unit 1 and optical read/write head 82 necessary relative fixed, but be not limited to the mode that laser detecting unit 1 is arranged on read/write head sliding tray 86.
The invention has the advantages that: adjustable 3 D laser detecting unit can move the position, three-dimensional space of adjusting the laser detecting device by three-dimensional, therefore need not use large scale and expensive photodiode, and the low profile photovoltaic diode that can directly use general optical read/write head comes as detector, with the cost of saving laser detecting unit, and be easy to obtain.In addition,, therefore can dwindle the volume of adjusting platform, and can avoid the adjustment part and adjust platform interference of components on every side, be convenient to the carrying out of laser spots correct detection owing to adjust the inside that the adjustment part of platform is arranged at the adjustment platform.
Though disclosed the present invention in conjunction with above several preferred embodiments; yet it is not in order to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; still can do a little change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (19)
1. adjustable 3 D laser detecting unit, in order to be detected in a laser emitting source emitted laser of sliding in the sliding tray adjustably, this adjustable 3 D laser detecting unit comprises:
One fixed part, this fixed part is in order to this laser emitting source of relative fixed;
One adjusts member, and this adjustment member is arranged on this fixed part, and wherein this adjustment member comprises one first platform part and one first adjustment part, one second platform part and one second adjustment part, one the 3rd platform part and one the 3rd adjustment part; And
One laser detective part is coupled to this adjustment member, and this laser detective part has a detector, in order to detect this laser emitting source emitted laser;
Wherein when this fixed part was fixed this laser emitting source, the relative position of the two was maintained fixed, and by adjusting this adjustment member, can adjust the relative position of this detector and this laser emitting source.
2. adjustable 3 D laser detecting unit as claimed in claim 1, wherein this first platform part is coupled to this fixed part movably at a first direction; This second platform part is coupled to this first platform part movably in the second direction perpendicular to this first direction; And the 3rd platform part is coupled to this second platform part movably at the third direction perpendicular to this first direction and this second direction.
3. adjustable 3 D laser detecting unit as claimed in claim 2, wherein this first adjustment part is coupled to this first platform part, with so that this first platform part move at this first direction with respect to this fixed part; This second adjustment part is coupled to this second platform part, with so that this second platform part move in this second direction with respect to this first platform part; The 3rd adjustment part is coupled to the 3rd platform part, with so that the 3rd platform part move at this third direction with respect to this second platform part.
4. adjustable 3 D laser detecting unit as claimed in claim 3 also is provided with a slide bar in wherein between this sliding tray, and this laser emitting source slidably is arranged on this slide bar.
5. adjustable 3 D laser detecting unit as claimed in claim 4, wherein this fixed part has a slide bar fixed part, in order to engage this slide bar.
6. adjustable 3 D laser detecting unit as claimed in claim 3, wherein this first, second and the 3rd wherein at least one of adjustment part be the inside that is positioned at this adjustment member.
7. adjustable 3 D laser detecting unit as claimed in claim 1, wherein this fixed part has a spring leaf, in order to be connected to a side of this sliding tray, makes this fixed part and this laser emitting source relative fixed.
8. adjustable 3 D laser detecting unit as claimed in claim 1, wherein this laser emitting source is an optical read/write head.
9. a three-dimensional is adjusted platform, comprising:
One fixed part; And
One adjusts member, have one first platform part and one first adjustment part, one second platform part and one second adjustment part, one the 3rd platform part and one the 3rd adjustment part, wherein this first platform part is to be coupled to this fixed part movably at a first direction, and this first adjustment part is coupled to this first platform part, with so that this first platform part move at this first direction with respect to this fixed part;
It is characterized in that:
This first adjustment part is positioned at the inside of this adjustment member.
10. the three-dimensional platform of adjusting as claimed in claim 9, wherein this first adjustment part comprises one first spring portion, connects this first platform part and this fixed part, with so that this first platform part move at this first direction with respect to this fixed part.
11. the three-dimensional platform of adjusting as claimed in claim 9, wherein this fixed part has at least one first slide block, and this first platform part has at least one first chute corresponding to this first slide block, and wherein this first slide block can slide at this first direction with respect to this first chute.
12. the three-dimensional platform of adjusting as claimed in claim 9, wherein this fixed part has at least one first chute, and this first platform part has at least one first slide block corresponding to this first chute, and wherein this first slide block can slide at this first direction with respect to this first chute.
13. the three-dimensional platform of adjusting as claimed in claim 9, wherein this second platform part is to be coupled to this first platform part movably in the second direction perpendicular to this first direction, and this second adjustment part is coupled to this second platform part, with so that this second platform part move in this second direction with respect to this first platform part.
14. the three-dimensional platform of adjusting as claimed in claim 13, wherein this first platform part has one second slide block, and this second platform part has one second chute corresponding to this second slide block, and wherein this second slide block can slide in this second direction with respect to this second chute.
15. the three-dimensional platform of adjusting as claimed in claim 13, wherein this first platform part has one second chute, and this second platform part has one second slide block corresponding to this second chute, and wherein this second slide block can slide in this second direction with respect to this second chute.
16. the three-dimensional platform of adjusting as claimed in claim 13, wherein the 3rd platform part is coupled to this second platform part movably at the third direction perpendicular to this first direction and this second direction, and the 3rd adjustment part is coupled to the 3rd platform part, with so that the 3rd platform part move at this third direction with respect to this second platform part.
17. the three-dimensional platform of adjusting as claimed in claim 16, wherein this second adjustment part comprises one second spring portion, connects this second platform part and this first platform part, with so that this second platform part move in this second direction with respect to this first platform part; And the 3rd adjustment part comprises one the 3rd spring portion, connects the 3rd platform part and this second platform part, with so that the 3rd platform part move at this third direction with respect to this second platform part.
18. the three-dimensional platform of adjusting as claimed in claim 16, wherein this second platform part has one the 3rd slide block, and the 3rd platform part has one the 3rd chute corresponding to the 3rd slide block, and wherein the 3rd slide block can slide at this third direction with respect to the 3rd chute.
19. the three-dimensional platform of adjusting as claimed in claim 16, wherein this second platform part has one the 3rd chute, and the 3rd platform part has one the 3rd slide block corresponding to the 3rd chute, and wherein the 3rd slide block can slide at this third direction with respect to the 3rd chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021033927A CN1189870C (en) | 2002-02-04 | 2002-02-04 | Adjustable 3D laser detecting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021033927A CN1189870C (en) | 2002-02-04 | 2002-02-04 | Adjustable 3D laser detecting unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1437186A CN1437186A (en) | 2003-08-20 |
| CN1189870C true CN1189870C (en) | 2005-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021033927A Expired - Fee Related CN1189870C (en) | 2002-02-04 | 2002-02-04 | Adjustable 3D laser detecting unit |
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| Country | Link |
|---|---|
| CN (1) | CN1189870C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749759A (en) * | 2015-03-23 | 2015-07-01 | 周艳松 | Adjustable outdoor microcosmic image observation and acquisition system |
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2002
- 2002-02-04 CN CNB021033927A patent/CN1189870C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1437186A (en) | 2003-08-20 |
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