CN2842466Y - Optical regulating device for optical-display TV - Google Patents
Optical regulating device for optical-display TV Download PDFInfo
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- CN2842466Y CN2842466Y CN 200520035715 CN200520035715U CN2842466Y CN 2842466 Y CN2842466 Y CN 2842466Y CN 200520035715 CN200520035715 CN 200520035715 CN 200520035715 U CN200520035715 U CN 200520035715U CN 2842466 Y CN2842466 Y CN 2842466Y
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- optical
- erecting frame
- small reflector
- screw
- ray machine
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Abstract
The utility model provides an optical adjusting device of a secondary reflecting type optical display television. A basal plate is provided with an optical machine mounting bracket and a small reflecting mirror mounting bracket, wherein the optical machine mounting bracket is composed of a front-back adjusting piece and an angle adjusting piece, wherein the front-back adjusting piece is arranged on the basal plate; the angle adjusting piece is arranged on the front-back adjusting piece, besides, the small reflecting mirror mounting bracket is arranged on the basal plate. Because the optical machine mounting bracket and the small reflecting mirror mounting bracket can be adjusted, the degree of freedom of an optical lens of an optical machine can be adjusted, optical system error caused by optical element error, manufacturing error and assemblage error can be compensated, and finally television images achieve minimum distortion.
Description
Technical field
The utility model relates to a kind of device in the televisor, particularly relates to a kind of optical regulator of secondary reflection formula optical display TV.
Background technology
Optical display TV is a kind of in the back projection TV, has resolution height, brightness height, advantage such as bright in luster, have wide development space, but optical display TV is because image amplifies the reason of mode, and the control chart image distortion is a difficult problem always.Optical display TV is classified according to order of reflection, can be divided into two kinds of primary event formula and secondary reflection formulas, and this wherein is difficult to control with secondary reflection formula optical display TV image fault especially.Secondary reflection makes the optical system error source increase, and proofreaies and correct and adjusts relatively difficulty.Present optical display TV ray machine erecting frame is screwed on the substrate of base, then ray machine is fixed on the ray machine erecting frame, and its defective is that the ray machine position leans on the ray machine erecting frame and the manufacturing accuracy of base and mutual assembly precision to guarantee fully.In order to remedy the optical system error that optical element error, foozle, rigging error cause, finally realize the minimum image distortion of picture, must the better optical adjusting mechanism of design.
The utility model content
Technical problem to be solved in the utility model provides a kind of optical regulator of secondary reflection formula optical display TV, and this device can be realized the adjustment of optical lens and small reflector degree of freedom.
The technical scheme that the utility model technical solution problem is adopted is: the optical regulator of optical display TV, ray machine erecting frame and small reflector erecting frame are installed on substrate, described ray machine erecting frame is made up of front and back adjustment part and angular setting part, described front and back adjustment part is installed on the substrate, on the adjustment part, described small reflector erecting frame was installed on the substrate before and after described angular setting part was installed in.
The beneficial effects of the utility model are: because angular setting part of the present utility model, front and back adjustment part and small reflector erecting frame can be adjusted, realized the adjustment of optical lens and small reflector degree of freedom, thereby remedy because of the caused optical system error of optical element error, foozle and rigging error, finally realize the minimum distortion of television image.
Description of drawings
Fig. 1 and Fig. 2 are the assembling synoptic diagram of existing ray machine, ray machine erecting frame and base.
Fig. 3 is common image geometric distortion figure.
Fig. 4 is the index path of secondary reflection formula optical display TV.
Fig. 5 and Fig. 6 are the synoptic diagram of ray machine erecting frame.
Fig. 7 and Fig. 8 are the assembling synoptic diagram of ray machine erecting frame and substrate.
Fig. 9 is the A-A partial sectional view of Fig. 8.
Figure 10 is the assembling synoptic diagram of small reflector installing plate and small reflector erecting frame.
Figure 11 is the B-B cut-open view of Figure 10.
Figure 12 is the assembling synoptic diagram of ray machine, small reflector and optical regulator.
Figure 13 is a final assembly synoptic diagram of the present utility model.
Embodiment
Fig. 1 and Fig. 2 are the assembling synoptic diagram of existing ray machine 1, ray machine erecting frame 2 and base 3.Ray machine erecting frame 2 is screwed on the substrate 4 of base, then ray machine 1 is fixed on the ray machine erecting frame 2, and its defective is that ray machine 1 position relies on the manufacturing accuracy of ray machine erecting frame 2 and base 3 and mutual assembly precision to guarantee fully.
Image on the secondary reflection formula optical display TV screen, it is the secondary reflection that has passed through small reflector 5 and large reflective mirror 6 from the image that ray machine 1 camera lens comes out, project to TV screen 7 and form, Fig. 4 has represented the amplification process of ideal image, and mark 8 is simulation light.The common several geometric distortions of television image as shown in Figure 3.Cause the factor of television image distortion to have: 1) mirror surface out-of-flatness; 2) the improper reflection angle of catoptron that causes of assembling changes; 3) catoptron is because of action of gravity arching distortion; 4) optical parallax of ray machine itself; 5) ray machine rigging error; 6) foozle of ray machine fixture; 7) rigging error of screen.In order to remedy this a series of error, except selecting the high catoptron of little ray machine of distortion rate and flatness for use, must design a kind of device that can adjust ray machine camera lens and small reflector.
Optical regulator of the present utility model is made up of substrate 4, ray machine erecting frame 2 and small reflector erecting frame 9.Substrate 4 is provided with four mounting bars 10, and ray machine erecting frame 2 is installed in wherein on two mounting bars 10, and small reflector erecting frame 9 is installed on other two mounting bars 10, as shown in figure 12.Move four mounting bar 10 formed two installed surfaces and substrate 4 plane inclinations as shown in Figure 4 in order to guarantee light path.Ray machine erecting frame 2 is made up of front and back adjustment part 12 and angular setting part 11, installation for the ease of ray machine, ray machine installing plate 15 preferably is set again, and ray machine installing plate 15 is fixed to angular setting part 11 on by screw 31 (about 4) totally, as Fig. 5, Fig. 6 and shown in Figure 7.Front and back adjustment part 12 is installed on the mounting bar 10 by screw 18,19,20 and 21, and angular setting part 11, front and back adjustment part 12 and brace 33 are installed together by screw 22,23,24,25 and 26.A back-moving spring 14 is installed on the screw 26.As Fig. 7, Fig. 8 and shown in Figure 9.The surface of contact of angular setting part 11 and front and back adjustment part 12 is circular-arc, and the arc surface center line overlaps with ray machine optical center line.Angular setting part 11 is done the low-angle rotation in order to realize ray machine 1 around the optical center line, and front and back adjustment part 12 is in order to realize that ray machine 1 moves forward and backward along the optical center line.Small reflector erecting frame 9 is made up of small reflector support 32 and small reflector installing plate 16, the effect of small reflector installing plate 16 is the installations that make things convenient for small reflector 5, small reflector support 32 is installed on two mounting bars 10, adopt screw 13, adjustment screw 28,29 and lock-screw 27 that small reflector installing plate 16 is installed on the small reflector support 32, adjust on screw 28,29 and the lock-screw 27 and adopt double nut, can realize self-locking.Plain radial bearing 17 is installed on small reflector erecting frame 9, and bearing adopts interference fit to be fitted in the small reflector erecting frame 9, as shown in Figure 10 and Figure 11.30 equilibrium activitys of two balancing springs on the small reflector erecting frame 9.
During assembling, ray machine 1 is installed on the ray machine installing plate 15, small reflector 5 is installed on the small reflector installing plate 16, they are installed on the base 3 get final product then, as Figure 12 and shown in Figure 13.
Below concrete method of adjustment is described in detail:
1) image excessive (fidelity factor is little): the screw 18,19,20 and 21 among suitably loosening Fig. 8, then angular setting part 11, front and back adjustment part 12 are moved near the direction of small reflector 5 in the same way in company with ray machine 1 one, after the image size to fit that screw is fastening.
2) image (fidelity factor is big) less than normal: the screw 18,19,20 and 21 among suitably loosening Fig. 7, then angular setting part 11, front and back adjustment part 12 are moved away from the direction of small reflector 5 in the same way in company with ray machine 1 one, after the image size to fit that screw is fastening.
3) image inclination (left image on the upper side, right image on the lower side): the screw 22,23,24 and 25 among suitably loosening Fig. 7, screw 26 among loosening then Fig. 7, after image is normal that screw is fastening.
4) image inclination (left image on the lower side, right image on the upper side): the screw 22,23,24 and 25 among suitably loosening Fig. 7, tighten screw 26 among Fig. 7 then, after image is normal that screw is fastening.
5) image level skew, image offset of vertical, image keystone distortion: six set nuts among earlier loosening Figure 10 on the screw 27,28 and 29, tighten then or the loosening screw 27,28 and 29 of adjusting, treat to lock six nuts after the image fault minimum.
6) multiple distortion and depositing: comprehensive above-mentioned method of adjustment can finally reach the image fault minimum by the adjustment to angle adjustment part 12, front and back adjustment part 11 and catoptron installing plate 16.
For the ease of above-mentioned adjustment, screw 18,19,20,21,22,23,24,25 and 26 screw are strip adjusting on the direction, as shown in Figure 7 and Figure 8.
Claims (10)
1, the optical regulator of optical display TV, ray machine erecting frame (2) and small reflector erecting frame (9) are installed on substrate (4), it is characterized in that: described ray machine erecting frame (2) is made up of front and back adjustment part (12) and angular setting part (11), described front and back adjustment parts (12) are installed on the substrate (4), on the adjustment part (12), described small reflector erecting frame (9) was installed on the substrate (4) before and after described angular setting part (11) was installed in.
2, the optical regulator of optical display TV as claimed in claim 1, it is characterized in that: described substrate (4) is provided with four mounting bars (10), and ray machine erecting frame (2) and small reflector erecting frame (9) are installed in respectively on described four mounting bars (10).
3, the optical regulator of optical display TV as claimed in claim 2 is characterized in that: the installed surface of described four mounting bars (10) and substrate (4) plane inclination.
4, as the optical regulator of claim 1,2 or 3 described optical display TVs, it is characterized in that: described front and back adjustment parts (12) are installed on the described mounting bar (10) by screw (18), (19), (20) and (21), on the adjustment part (12), ray machine installing plate (15) was fixed on the angular setting part (11) by 4 screws (31) before and after described angular setting part (11) was installed in by screw (22), (23), (24), (25) and (26).
5, the optical regulator of optical display TV as claimed in claim 4 is characterized in that: back-moving spring (14) is installed on the described screw (26).
6, the optical regulator of optical display TV as claimed in claim 4 is characterized in that: the surface of contact of described angular setting part (11) and front and back adjustment part (12) is circular-arc, and the arc surface center line overlaps with ray machine optical center line.
7, the optical regulator of optical display TV as claimed in claim 1, it is characterized in that: described small reflector erecting frame (9) is made up of small reflector support (32) and small reflector installing plate (16), and described small reflector installing plate (16) adopts screw (13), adjustment screw (28), (29) and lock-screw (27) to be installed on the small reflector support (32).
8, the optical regulator of optical display TV as claimed in claim 7 is characterized in that: described adjustment screw (28), (29) and lock-screw (27) are gone up and are adopted double nut.
9, as the optical regulator of claim 1,7 or 8 described optical display TVs, it is characterized in that: plain radial bearing (17) is installed on described small reflector erecting frame (9).
10, as the optical regulator of claim 1,7 or 8 described optical display TVs, it is characterized in that: balancing spring (30) is installed on the small reflector erecting frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035715 CN2842466Y (en) | 2005-10-11 | 2005-10-11 | Optical regulating device for optical-display TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035715 CN2842466Y (en) | 2005-10-11 | 2005-10-11 | Optical regulating device for optical-display TV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842466Y true CN2842466Y (en) | 2006-11-29 |
Family
ID=37446348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035715 Expired - Fee Related CN2842466Y (en) | 2005-10-11 | 2005-10-11 | Optical regulating device for optical-display TV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842466Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990550A (en) * | 2017-05-24 | 2017-07-28 | 广州优创电子有限公司 | Lens calibration method and system |
| CN114637121A (en) * | 2022-03-31 | 2022-06-17 | 杭州海康威视数字技术股份有限公司 | Positioning device for camera |
-
2005
- 2005-10-11 CN CN 200520035715 patent/CN2842466Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990550A (en) * | 2017-05-24 | 2017-07-28 | 广州优创电子有限公司 | Lens calibration method and system |
| CN114637121A (en) * | 2022-03-31 | 2022-06-17 | 杭州海康威视数字技术股份有限公司 | Positioning device for camera |
| CN114637121B (en) * | 2022-03-31 | 2023-09-01 | 杭州海康威视数字技术股份有限公司 | Positioning device for camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Changhong Electronics System Co., Ltd. Assignor: Sichuan Changhong Electrical Appliance Co., Ltd. Contract record no.: 2011510000169 Denomination of utility model: Optical regulating device for optical-display TV Granted publication date: 20061129 License type: Exclusive License Record date: 20110818 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20131011 |