CN206741110U - A kind of optics display module accurate assembly system - Google Patents
A kind of optics display module accurate assembly system Download PDFInfo
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- CN206741110U CN206741110U CN201720494661.3U CN201720494661U CN206741110U CN 206741110 U CN206741110 U CN 206741110U CN 201720494661 U CN201720494661 U CN 201720494661U CN 206741110 U CN206741110 U CN 206741110U
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Abstract
The utility model proposes a kind of optics display module accurate assembly system, including control unit, executing agency and image detection device, control unit is connected with executing agency and image detection device respectively, for receiving the optical lens actual imaging distance L ' of image detection device transmission, and executing agency is controlled to drive image generation unit to move.Assembly system of the present utility model, assembling process are almost not required to manual intervention, directly carry out position adjustment by actuating mechanism controls image generation unit, and automaticity is high, improves efficiency of assembling, reduces human cost.
Description
Technical field
The utility model belongs to optics display technology field, is related to optics display module assembly problem, and in particular to a kind of
Optics display module accurate assembly system.
Background technology
Wear at present in the assembling process of the optics display module such as display device, projection display apparatus, image generation unit
Relative position relation between optical lens, manually ensure by optical element, structural member machining accuracy, after the completion of assembling,
Artificial actual observation detection generates picture quality, and machining accuracy does not reach requirement and adjusted repeatedly, it is necessary to manually dismount in many cases
It is whole.
It is less and less with the size of image generation unit, to the image generation unit and optical frames in optics display module
Head the relative position error requires more and more higher.Image generation unit and optical lens the relative position error are overproof, can cause display
The quality problems such as image local is unintelligible, image-forming range change, diopter change, one side low production efficiency, on the one hand need
Disassemble adjustment again repeatedly to defective products, therefore be badly in need of wanting a kind of method and system of optics display module automatic and accurate assembling.
The content of the invention
For above-mentioned existing by optics display module workpiece accuracy guarantee assembly precision, so as to cause efficiency of assembling
Low, the low technical problem of yields, the utility model provides a kind of optics display module accurate assembly system, especially by such as
Lower technical scheme is achieved：
A kind of optics display module accurate assembly method, the optical lens ideal image that this method passes through optics display module
Distance L and optical lens actual imaging distance L ' range difference come adjust the movement of the image generation unit of optics display module away from
From m, m calculating uses equation below,
Wherein, f is focal length, and P is image distance, and f and P are the parameter of optical lens.
The utility model also provides a kind of optics display module assembly system, including control unit, executing agency and image
Detection means, the adsorbable image generation unit of executing agency, described image detection means to optics display module carry out into
Picture, described control unit are connected with executing agency and image detection device respectively, and control unit is used to receive image detection device
The imaging parameters of transmission, including optical lens actual imaging distance L ', and control executing agency to drive image generation unit to carry out
It is mobile, displacement m.
The assembly system also includes solidification equipment, and the position of image generation unit is fixed the solidification equipment,
Such as UV solidification devices.
Further, the executing agency includes robotic arm.
Further, described image detection means includes digital camera or industrial camera.
Compared with prior art, the utility model has following technique effect：
1st, the utility model proposes a kind of optics display module accurate assembly system, people is replaced with image detection device
Eye, automatic detection is completed, meanwhile, manual operation is replaced with executing agency, assembling process, is almost not required to manual intervention, directly
Connected actuating mechanism controls image generation unit and carry out position adjustment, automaticity is high, improves efficiency of assembling, reduces people
Power cost.
2nd, assembly system of the present utility model, the assembling of optics display module, detection integration is realized, avoids defective work
Artificial repeated disassembled and assembled, detection.
Brief description of the drawings
The utility model is further explained in detail and illustrated with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model optics display module accurate assembly method schematic；
Fig. 2 is the utility model assembly system schematic diagram.
The implication of each label is in figure：
1- control units, 2- executing agencies, 3- image detection devices, 4- solidification equipments, 5- image generation units, 6- optics
Camera lens, 7- mounting brackets, 8- ideal images position, 9- actual imaging positions.
Embodiment
Optics display module includes image generation unit 5 and optical lens 6, in practice image generation unit 5 and optical frames
First 6 need to be assembled with certain assembly precision, and assembly precision directly affects image image quality, image generation unit 5 one
As include display device and back light unit, the display device display device such as including OLED, LCD, LCOS, optical lens 6 includes saturating
Optical system, reflective optics, light guiding optics system etc. are penetrated, its function is to be projected the image of image generation unit 5
It has been shown that, watched for human eye.The relative position relation of image generation unit 5 and optical lens 6 is determined, it is necessary to accurate assembly, image
Generation unit 5 and optical lens 6 can have common mounting bracket 7, be assemblied in certain assembly precision by mounting bracket 7
Together, or image generation unit 5 and optical lens 6 are directly connected with certain assembly precision, and the utility model does not limit.
The present utility model people is according to optical lens parameter and imaging formula(Q represents object distance,
For optical lens inherent parameters) and image-forming range error delta L work out △ L and the adjustment amount m of image generation unit 5 relation, lead to
The value for crossing △ L determines the displacement of image generation unit 5, and then carries out the micro-adjustment of image generation unit 5, reaches artificial behaviour
Make the fine setting that can not be reached, there is great theory directive significance to improving optics module assembly precision at present.
Embodiment 1
The present embodiment provides a kind of optics display module accurate assembly method, passes through the optical lens 6 of optics display module
The ideal image distance L and actual imaging distance L ' of optical lens 6 range difference △ L, the image generation of adjustment optics display module
The displacement m, L or L ' of unit 5 are the distance from optical lens 6 to image space, it is assumed that the virtual image is preferable in the present embodiment
Image space is 8 positions, and the virtual image actual imaging position pre-installed after image generation unit 5 is 9 positions, such as Fig. 1, ideal image
The ideal image distance L of position correspondence is a value being previously set, and is filled after pre-installing image generation unit 5 through image detection
Put 3 imagings, optical lens actual imaging distance L ' at when can be obtained from image detection device 3.
M calculating according to equation below,
Wherein, f is focal length, and P is image distance, and f and P are the parameter of optical lens, light
Camera lens is learned to timing, f and P are given value, it can thus be concluded that to the displacement m values of image generation unit 5, are generated by image
After unit 5 moves, detecting distance difference △ L, by circulating repeatedly adjustment, until meeting assembly precision requirement, have then been adjusted again
Finish.In practical application, range difference △ L are difficult to zero, therefore, it is specified that △ L in a scope, then it is assumed that reach high accuracy, this
Provided in embodiment, as △ L<During 1cm, adjustment terminates.
Embodiment 2
As shown in Figure 1, 2, the present embodiment provides a kind of optics display module assembly system, including control unit 1, execution machine
Structure 2, image detection device 3 and solidification equipment 4, the adsorbable image generation unit 5 of executing agency 2 move, image detection dress
Put 3 pairs of optics display modules to be imaged, control unit 1 is connected with executing agency 2 and image detection device 3 respectively, and control is single
Member 1 is used for the imaging parameters for receiving the transmission of image detection device 3, and controls executing agency 2 to drive image generation unit to be moved
It is dynamic.
The present embodiment solidification equipment 4 uses UV solidification devices, the dispensing of image generation unit 5 is fixed, executing agency 2 uses machine
Device arm, robotic arm can be attached to the predeterminated position of mounting bracket 7, or install directly from producing line automatic Picking image generation unit 5
To the lens barrel of optical lens 6, executing agency 2 can carry out multiple free degree micro regulation to predeterminated position, to improve Projection Display effect
Fruit, the distance between image generation unit 5 and optical lens 6 are such as adjusted, to improve image-forming range error.Image detection device 3
Using industrial camera, optics display module projection-display image is imaged, the image parameter after imaging includes optical lens
Actual imaging distance L ' is waited and can be stored automatically in industrial camera.
The present embodiment control unit 1 receives the image parameter that image detection device 3 is sent, according to the calculation programmed in advance
Method, executing agency 2 is controlled, adjust the installation site of image generation unit 5.In practice, executing agency 2 can use hydraulic pressure or electricity
Fluxion drives, and control unit 1 is first calculated automatically from △ L values according to given L and the L ' values received, and then m values are calculated,
Then m values are converted into the state modulator executing agency 2 related to hydraulic pressure or electric current to move, if for example, executing agency 2 uses liquid
Pressure driving, the relation table of m values and pressure can obtain from the operational manual of executing agency 2, and m values are calculated in control unit 1
Hydraulic pressure value adjustment is carried out according to the relation of m values and pressure afterwards and then controls control executing agency 2 to move.Control unit 1
Function, which is realized, to be not belonging to the utility model emphasis by computer programming language, and the utility model is not described in detail.
The utility model is by adjusting the parameter of image detection device 3, it is possible to achieve different matching requirements, has certain
Versatility.For the different optics display module of image-forming range, the different image-forming ranges of such as 1m, 3m, ∞, image inspection need to be only adjusted
Accurate assembly can be achieved in the lens parameters for surveying device 3.
Implementing step is：
Step 1. fixes the position of optical lens 6, and image generation unit 5 is moved to predeterminated position by executing agency 2.
Image parameter L ' values are simultaneously sent to control unit 1 by the shooting image of step 2. image detection device 3.
Step 3. control unit 1 calculates image generation unit adjustment amount m according to the L ' values received, controls executing agency
2 drive image generation unit 5 to complete to adjust for the first time.
Step 4. repeat step 2, until △ L<1cm, adjustment terminate, and control unit 1 controls solidification equipment 4 to generate image
Unit 5 is solidified, and curing mode does not limit.
Claims (5)
1. a kind of optics display module accurate assembly system, it is characterised in that the assembly system includes control unit (1), held
Row mechanism (2) and image detection device (3), the adsorbable image generation unit of the executing agency (2), described image detection means
(3) optics display module is imaged, described control unit (1) respectively with executing agency (2) and image detection device (3) phase
Even, control unit (1) is used for the imaging parameters for receiving image detection device (3) transmission, and controls executing agency (2) band motion video
Generation unit moves.
2. assembly system as claimed in claim 1, it is characterised in that the assembly system also includes solidification equipment (4), described solid
Makeup puts (4) and the position of image generation unit is fixed.
3. assembly system as claimed in claim 1, it is characterised in that the executing agency (2) includes robotic arm.
4. assembly system as claimed in claim 1, it is characterised in that described image detection means (3) includes digital camera or work
Industry camera.
5. assembly system as claimed in claim 2, it is characterised in that the solidification equipment (4) includes UV solidification devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494661.3U CN206741110U (en) | 2017-05-05 | 2017-05-05 | A kind of optics display module accurate assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494661.3U CN206741110U (en) | 2017-05-05 | 2017-05-05 | A kind of optics display module accurate assembly system |
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| Publication Number | Publication Date |
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| CN206741110U true CN206741110U (en) | 2017-12-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108121364A (en) * | 2017-12-15 | 2018-06-05 | 上海索广电子有限公司 | The position adjustment and method of a kind of imaging sensor |
| CN109520712A (en) * | 2018-12-03 | 2019-03-26 | 江苏慧光电子科技有限公司 | Optical detecting method, system and optical device manufacture system |
-
2017
- 2017-05-05 CN CN201720494661.3U patent/CN206741110U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108121364A (en) * | 2017-12-15 | 2018-06-05 | 上海索广电子有限公司 | The position adjustment and method of a kind of imaging sensor |
| CN109520712A (en) * | 2018-12-03 | 2019-03-26 | 江苏慧光电子科技有限公司 | Optical detecting method, system and optical device manufacture system |
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