CN209102337U - Digital projector light engine test fixture - Google Patents
Digital projector light engine test fixture Download PDFInfo
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- CN209102337U CN209102337U CN201822134095.2U CN201822134095U CN209102337U CN 209102337 U CN209102337 U CN 209102337U CN 201822134095 U CN201822134095 U CN 201822134095U CN 209102337 U CN209102337 U CN 209102337U
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Abstract
Present solution provides digital projector light engine test fixtures, adjust stud group and include at least the four adjustment studs and matched bolt for having adjusting spring thereon, have adjusting nut in the outer head end of bolt, stud is fixed on adjustable plate.Spring plate group by groove type spring plate group at.Stud group connection lens fixed plate and bottom plate outline border are adjusted, adjusting nut group is screwed on adjustment stud group, and spring plate group is fixed between lens fixing plate and bottom plate outline border, and driving assembly is fixed on adjustable plate, and adjustable plate is connect with bottom plate outline border.The diameter of lens fixing plate and adjustable plate central through hole is matched with projection lens.Projection lens is put into through-hole, by operation adjustment nut group, adjustment stud group and spring plate group, realizes that the adjustment up and down of projection lens keeps it corresponding with light engine position, to test light engine.The technical program has flexibly adjustment structure, and the light for exporting light engine to be tested can correctly project on the camera lens of rear end.
Description
Technical field
The utility model relates to a kind of digital projector light engine test fixtures.
Background technique
Currently, the digital projector equipment in movie theatre, service life is 5 years to 10 years to extreme portions equipment, these
The core members " light engine " of digital projector equipment most critical need to detect, adjustment can be only achieved the purpose continued to use.It is logical
Normal way is that the maintenance of light engine is always to return to genuine to repair test, this leads to projection devices down time
Very long, maintenance and transportation cost are quite high, and some equipment is caused to discard because that cannot repair.Since light engine to be repaired exists
During waiting maintenance conditions, movie theatre inevitably needs to purchase new light engine that fortune has been significantly greatly increased to fill vacancy
Seek cost.How light engine is used for quickly detecting, to cut operating costs as urgent problem to be solved.
Utility model content
The utility model provides a kind of digital projector light engine test fixture can not to solve in the prior art
The problem of light engine is used for quickly detecting.Understanding based on the market demand and to digital projector technology considers design one
A test fixture can meet the needs of detecting to light engine.This test fixture needs are exported with light engine
The position of projection lens and corresponding light engine can be freely adjusted in optical path, guarantee that light engine output light is correctly thrown
It is mapped on screen.Only the adjustment of light engine optical path to be tested position it is correct after, could to itself prism of this light engine and its
The precision optics such as optical micromirror DMD (Digtial Micromirror Devices, Digital Micromirror Device) are tested.
To achieve the goals above, technical solutions of the utility model provide a kind of digital projector light engine test work
Dress, comprising: spring plate group, adjustment stud group, adjusting nut group, driving assembly, lens fixing plate, bottom plate outline border, adjustable plate, throwing
Shadow camera lens, pedestal and light engine.Adjustment stud group includes at least four and has the adjustment stud of adjusting spring thereon and match
The bolt applied has adjusting nut in the outer head end of bolt, and the stud is fixed on adjustable plate.Spring plate group is by least four
A groove type spring plate group at.Lens fixing plate is connected with bottom plate outline border by adjusting stud group, adjusting nut group and adjustment spiral shell
Column group is screwed on, and spring plate group is fixed between lens fixing plate and bottom plate outline border, and driving assembly is fixed on adjustable plate, adjustable plate
It is connect with bottom plate outline border.Lens fixing plate and adjustable plate central part have through-hole, the diameter matches of through-hole and projection lens.Light
It learns engine to be placed on the pedestal, the beam projecting end of the light engine and the light incidence end pair of the projection lens
It answers.
As a preferred embodiment of the above technical solution, preferably, the nut in adjusting nut group and the bolt in adjustment stud group
Quantity is equal.
As a preferred embodiment of the above technical solution, preferably, driving assembly includes at least a laterally driven motor and one
Zigzag tread patterns motor.
As a preferred embodiment of the above technical solution, preferably, camera lens is fixed in a plurality of spring leaf sides in spring plate group
The through-hole surrounding of adjustable plate is fixed in the through-hole surrounding of fixed plate, a plurality of spring leaf other sides in spring plate group.
As a preferred embodiment of the above technical solution, preferably, being installed with power interface on lens fixing plate.Wherein, power supply connects
Mouth is for powering to driving assembly.
Technical solutions of the utility model provide a kind of digital projector light engine test fixture, and adjustment stud group is at least
The adjustment stud and matched bolt for having adjusting spring thereon including four have adjustment spiral shell in the outer head end of bolt
Mother, the stud are fixed on adjustable plate.Spring plate group by least four groove type spring plate groups at.Lens fixing plate and bottom plate
Outline border by adjusting stud group connection, adjusting nut group and adjustment stud group be screwed on, spring plate group be fixed on lens fixing plate with
Between bottom plate outline border, driving assembly is fixed on adjustable plate, and adjustable plate is connect with bottom plate outline border.In lens fixing plate and adjustable plate
Center portion point has through-hole, the diameter matches of through-hole and projection lens.Projection lens is put into through-hole, operation adjustment nut is passed through
Group, adjustment stud group and spring plate group, then cooperate the adjustment of horizontal and vertical drive motor, realize light engine with respect to projection lens
The horizontal plane of head position and the position adjustment of vertical direction, finally realize the purpose tested light engine.It solves existing
The problem of having in technology, light engine can not being used for quickly detecting.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is made one and is simply introduced, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram (explosive view) of digital projector light engine test fixture provided by the utility model.
Fig. 2 is the outside drawing of digital projector light engine test fixture provided by the utility model.
Fig. 3 is that the broken away view one of digital projector light engine test fixture provided by the utility model (does not include camera lens
Fixed plate).
Fig. 4 is that the broken away view two of digital projector light engine test fixture provided by the utility model (does not include spring
Piece group).
Fig. 5 is the understructure signal of the arranging of digital projector light engine test fixture provided by the utility model
Figure.
Fig. 6 is that digital projector light engine test fixture provided by the utility model is fixed on the structural representation on pedestal
Figure.
Fig. 7 is the real use state schematic diagram of digital projector light engine test fixture provided by the utility model.
Wherein, crossed strip piece 1, longitudinal spring piece 2, adjustment stud 3, adjusting nut 4, lens fixing plate 5, bottom plate outline border
6, adjustable plate 7, light engine 8, laterally driven motor 9, zigzag tread patterns motor 10, pedestal 11, power supply 12, preloading spring 31, spiral shell
Bolt 32 and projection lens 13.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical solutions in the embodiments of the present invention are clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to
In the range of the utility model protection.
Now specifically digital projector light engine test fixture is illustrated, it includes: spring plate group, adjustment stud
Group, adjusting nut group, driving assembly, lens fixing plate, bottom plate outline border, adjustable plate and light engine.Lens fixing plate and adjusting
Plate central part has through-hole, and the adjustment stud and the baltimore groove spring leaf in spring plate group adjusted in stud group surrounds through-hole
Setting, lens fixing plate is connected with bottom plate outline border.Specifically, lens fixing plate and bottom plate outline border are by adjusting stud group company
It connecing, adjusting nut group is screwed on adjustment stud group, and spring plate group is connect by fixing bolt with lens fixing plate and bottom plate outline border,
Driving assembly is bolted with adjustable plate, and adjustable plate is spirally connected with bottom plate outline border.It adjusts stud group and includes at least four adjustment
Stud, adjustment stud are made of spring and bolt, and spring pocket is set on bolt.Further, above-mentioned through-hole and projection lens is straight
Diameter matching.Spring plate group by least four groove type spring plate groups at.Driving assembly includes at least laterally driven motor and longitudinal direction
Drive motor, for controlling the extendable room of above-mentioned spring leaf.Plurality of grooves type spring leaf side in spring plate group is fixed
In the through-hole surrounding of lens fixing plate, the through-hole surrounding of adjustable plate is fixed in the other side.Being equipped on lens fixing plate can be to drive
The power interface of dynamic assembly power supply.Light engine is placed on pedestal, and projection lens is placed across through-hole, the light of light engine
Exit end is corresponding with the light incidence end of projection lens
The utility model is described in detail now in conjunction with attached drawing, specifically, spring plate group includes crossed strip piece 1 (1
Group) and longitudinal spring piece 2 (1 group), each spring leaf in spring plate group is illustrated by taking U-shaped spring leaf as an example, above-mentioned act
Example is not intended as the limitation in actual production use to each structural component shape.The technical program realizes horizontal plane side
Upwards to the adjustment of light engine, the adjustment of vertical direction with respect to the horizontal plane is also achieved.
As shown in Fig. 1-Fig. 7, this digital projector light engine test fixture includes: crossed strip piece 1, longitudinal spring piece
2, adjust stud 3, adjusting nut 4, lens fixing plate 5, bottom plate outline border 6, adjustable plate 7, light engine 8, laterally driven motor 9,
Zigzag tread patterns motor 10, pedestal 11, power supply 12.Adjustment stud 3 is made of preloading spring 31 and bolt 32 and projection lens 13.
Bottom plate outline border 6 and adjustable plate 7 are spirally connected by screw, have spring leaf around the through-hole surrounding of adjustable plate 7 is uniformly distributed,
Including crossed strip piece 1 and longitudinal spring piece 2, have on spring leaf enable to its corresponding to drive motor (laterally/it is vertical
To) the perforation that passes through of driving column, driving column can be fixed after passing through in this perforation with fixing groove on adjustable plate 7, after fixed,
Each drive motor (laterally/longitudinal direction) can be fixed with bottom plate outline border 6.There is equally distributed bolt on adjustable plate 7, is covered on bolt 32
If preloading spring 31, composition adjustment stud 3.Lens fixing plate 5 has perforation corresponding with above-mentioned 3 distributing position of adjustment stud, leads to
This perforation is crossed, adjustment stud 3 is worn with lens fixing plate 5 to be connect, and adjusting nut 4 is bolted in the adjustment stud for being arranged preloading spring
It is on 3, adjustable plate 7 and lens fixing plate 5 is tentatively fixed, further, there are several apertures on lens fixing plate 5, by camera lens
Fixed plate 5 and spring leaf are further fixed.
The utility model is further described now in conjunction with actual use scene:
Specifically, according to foregoing description, and Fig. 1-4 and structure shown in fig. 6 are combined, when laterally driven motor 9 drives, lead to
The 2 groups of U-shaped spring leafs for driving it to be connected forward or reverse for crossing laterally driven motor 9 are flexible, to be further driven to camera lens
Transverse shifting of the fixed plate 5 relative to bottom plate outline border 6.When zigzag tread patterns motor 10 drives, pass through its drive forward or reverse
2 groups of U-shaped spring leafs that it is connected are flexible and lens fixing plate 5 is led to vertically move relative to bottom plate outline border 6.It needs to illustrate
, transverse shifting and longitudinal movement are for horizontal coordinates.Wherein, laterally driven motor 9 and zigzag tread patterns
Motor 10 has shaft, can be by being rotated manually to realize and manually adjust.Preferably, laterally driven motor 9 and zigzag tread patterns
Motor 10 is the electric motor not less than 24V.
As shown in figure 4, passing through above-mentioned adjustment stud 3 and adjusting nut 4 on the vertical direction relative to above-mentioned horizontal plane
The vertical adjustment structure of composition realizes the adjusting of vertical direction to this projection lens 13.Specifically, 7 four jiaos of adjustable plate have point
It is furnished with the adjusting bolt perpendicular to adjustable plate 7,5 four jiaos of lens fixing plate have through-hole corresponding with adjustment 3 position of stud and diameter,
When lens fixing plate 5 is placed on adjustment stud 3, four adjustment studs 3 can be worn from corresponding through-hole and connect, and adjust
Whole nut 4 is successively spirally connected with adjustment stud 3.Adjustment stud 3 is made of preloading spring 31 and bolt 32, further, bolt tool
Body can be lock-screw.Further, mirror is connected with the mode of lock-screw with preloading spring with adjustment stud 3 on adjustable plate 7
Head fixed plate 5.Realize the spacing adjustment of the vertical direction of this light engine test fixture.
In use, lens fixing plate 5 can also be realized by the different locked positions of aforementioned four adjusting nut 4
Vertically there is the adjustment of certain tilt angle, meets light engine output light parallel projection and enter camera lens, realize light output
Effect is maximum.
In actual use, it is equipped with a pedestal 11, including raised bracket 111 (2), it is to be tested for installing and placing
Light engine, it is specific as shown in Figure 5.
As shown in Figure 6 and Figure 7, firstly, light engine test fixture is fixed on pedestal 11, then projection lens 13 is filled
It is placed on light engine test fixture, adjusts laterally driven motor 9 and zigzag tread patterns motor 10 carrys out level to projection lens 13
Direction and vertical direction are adjusted, so that the beam projecting end of light engine 8 is corresponding with the light incidence end of projection lens 13.
Specifically, the fixed bracket 112 of test fixture on pedestal 11 is for fixing light engine test fixture, it ensure that light engine
Position between test fixture and light engine to be tested 8 meets 8 output light of light engine and throws to 13 direction of projection lens
It penetrates；The fixed bracket of light engine on pedestal 11 is for fixing light engine 8 to be tested.By light engine 8 to be tested and optics
After 8 test fixture of engine is both secured on pedestal 11, it is as shown in Figure 7 to complete figure.
Specific adjustment mode is socket power driving, or by rotating respective motors shaft manually, so that image has been shown
It is whole.Later, if image has deformation, the inclination angle of 4 groups of adjustment lens fixing plates 5 of adjusting nut on this adjustment lens fixing plate 5
Degree tightens 4 fixture nuts on the fixed panel of camera lens after image is shown correctly.
Since then, above-mentioned test fixture adjustment is completed, and can further be treated test light engine 8 and be checked, such as
Whether picture brightness uniformity, bright spot, dim spot, image deform, and pixel is collected, focuses etc. is checked, therefore, it is determined that after maintenance
Whether the work of each component of light engine 8 is normal.
Present solution provides digital projector light engine test fixtures, adjust stud group and have thereon including at least four
The adjustment stud and matched bolt for using spring are adjusted, has adjusting nut in the outer head end of bolt, stud is fixed on adjusting
On plate.Spring plate group by least four groove type spring plate groups at.Stud group connection lens fixed plate and bottom plate outline border are adjusted, is adjusted
Whole nut group is screwed on adjustment stud group, and spring plate group is fixed between lens fixing plate and bottom plate outline border, and driving assembly is fixed
On adjustable plate, adjustable plate is connect with bottom plate outline border.Lens fixing plate and adjustable plate central part have through-hole, through-hole and projection
The diameter matches of camera lens.Projection lens is put into through-hole, by operation adjustment nut group, adjusts stud group and spring plate group,
Cooperate the adjustment of horizontal and vertical drive motor again, realizes horizontal plane and vertical direction of the light engine with respect to projection lens position
Position adjustment, finally realize the purpose tested light engine.Solve in the prior art, can not to light engine into
The problem of row quickly detects.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (4)
1. digital projector light engine test fixture characterized by comprising spring plate group, adjustment stud group, adjusting nut
Group, driving assembly, lens fixing plate, bottom plate outline border, adjustable plate, projection lens, pedestal and light engine:
The adjustment stud group includes at least the four adjustment studs and matched bolt for having adjusting spring thereon, in spiral shell
The outer head end of bolt has adjusting nut, and the stud is fixed on the adjustable plate；
The spring plate group by least four groove type spring plate groups at；
The lens fixing plate is connected with the bottom plate outline border by the adjustment stud group, the adjusting nut group and the tune
Whole stud group is screwed on, and the spring plate group is fixed between the lens fixing plate and the bottom plate outline border, the driving component
It is fixed on the adjustable plate, the adjustable plate is connect with the bottom plate outline border；
The lens fixing plate and the adjustable plate central part have through-hole, the diameter of the through-hole and the projection lens
Match；
The light engine is placed on the pedestal, the beam projecting end of the light engine and the light of the projection lens
Incidence end is corresponding.
2. digital projector light engine test fixture according to claim 1 characterized by comprising the adjustment
Nut in nut group is equal with the bolt quantity in the adjustment stud group.
3. digital projector light engine test fixture according to claim 1, which is characterized in that including the driving
Component includes at least a laterally driven motor and a zigzag tread patterns motor.
4. digital projector light engine test fixture according to claim 1, which is characterized in that in the spring plate group
A plurality of spring leaf sides be fixed on the through-hole surrounding of the lens fixing plate, a plurality of spring leafs in the spring plate group
The through-hole surrounding of the adjustable plate is fixed in the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134095.2U CN209102337U (en) | 2018-12-19 | 2018-12-19 | Digital projector light engine test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134095.2U CN209102337U (en) | 2018-12-19 | 2018-12-19 | Digital projector light engine test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102337U true CN209102337U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822134095.2U Active CN209102337U (en) | 2018-12-19 | 2018-12-19 | Digital projector light engine test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988591A (en) * | 2020-08-26 | 2020-11-24 | 峰米(北京)科技有限公司 | Projection picture translation method and device and projection equipment |
-
2018
- 2018-12-19 CN CN201822134095.2U patent/CN209102337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988591A (en) * | 2020-08-26 | 2020-11-24 | 峰米(北京)科技有限公司 | Projection picture translation method and device and projection equipment |
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