CN208860257U - A kind of distance-measurement tool - Google Patents
A kind of distance-measurement tool Download PDFInfo
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- CN208860257U CN208860257U CN201821693909.XU CN201821693909U CN208860257U CN 208860257 U CN208860257 U CN 208860257U CN 201821693909 U CN201821693909 U CN 201821693909U CN 208860257 U CN208860257 U CN 208860257U
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Abstract
The utility model discloses a kind of distance-measurement tools, the distance-measurement tool includes: the bearing base being parallel to each other and fixed platform, the multiple pillars being connected between bearing base and fixed platform, the mobile platform between bearing base and fixed platform and the mobile bracket for driving mobile platform to move up and down, and mobile bracket is equipped with digital display interface；The distance-measurement tool of the utility model drives mobile platform to move up and down and can precise positioning using mobile bracket, mobile platform is for placing lamp plate, fixed platform is for fixing optical diaphragm, mobile platform can be achieved lamp plate opposing optical diaphragm relative to the movement of fixed platform and move up and down, the digital display interface on graduation mark and mobile bracket on pillar can be read, and range measurement accuracy is improved.
Description
Technical field
The utility model relates to a kind of distance-measurement tools.
Background technique
The construction of liquid crystal display panel is that liquid crystal cell is placed in the parallel glass substrate of two panels, is set in lower glass substrate
It sets TFT (thin film transistor (TFT)), colored filter is set in top glass substrate, changed by the signal on TFT with voltage to control
The rotation direction of liquid crystal molecule, to reach display purpose whether reaching the polarised light outgoing for controlling each pixel unit.For
What liquid crystal display panel provided light source is that usually the illuminated LED lamp bead in side, the light that LED is issued pass through light guide plate guide panel side
To reusing respective optical diaphragm and obtain optics and sample uniform backlight.Backlight collocation liquid crystal display panel forms liquid crystal
Display screen.
Mini-LED technology is the tens LED lamp beads display screen side marginal ray source, becomes thousands of in direct-light-type backlight
, tens of thousands of, the back light source technique of even more lamp beads.The technology can allow flexible base plate, reach the shape of high curved surface backlight
Formula；Local dimming design can be used, to obtain more fine HDR (High-Dynamic Range, high dynamic illumination rendering)；
The use for eliminating light guide plate does liquid crystal display thinner, and thickness can match in excellence or beauty in OLED.With power saving, slimming,
It is demand that the backlights such as HDR, special-shaped display, which are applied, and Mini-LED technology is suitably applied mobile phone, TV, automobile-used panel and electricity
On the products such as competing pen electricity.
As shown in Figure 1, direct-light-type backlight include lamp plate 01 and on lamp plate 01 rectangular arrangement multiple lamp beads 011,
Optical diaphragm 02 is arranged in parallel relative to lamp plate 01.Since the light emitting angle of each lamp bead 011 limits, in order to ensure backlight obtains
Uniform light mixing effect is obtained, needs to select suitable light mixing distance (optical distance, OD).Light mixing distance is lamp bead
The distance between 011 and 02 upper surface of optical diaphragm；Light mixing distance is too small to will lead to backlight luminance nonuniformity, and light mixing distance is excessive
Then it is unfavorable for the slimming of display screen.
Utility model content
The utility model discloses a kind of distance-measurement tools, for accurately measuring the first article to be measured and the second determinand
Distance between product, first article to be measured and the second article to be measured can be respectively optical diaphragm and lamp in direct-light-type backlight
Plate.
The utility model discloses a kind of distance-measurement tool, the distance-measurement tool for measure the first article to be measured and
The distance between second article to be measured characterized by comprising
Bearing base；
Fixed platform, for fixing the first article to be measured, including the aperture that light can be made to penetrate；
Multiple pillars, connect bearing base and fixed platform, and the surface of at least one pillar is equipped with graduation mark；
Mobile platform, between bearing base and fixed platform, for carrying the second article to be measured；
Mobile bracket, between bearing base and fixed platform, for driving mobile platform relative to fixed platform
Lower movement.
Preferably, the fixed platform is equipped with multiple magnet.
Preferably, each pillar is equipped with sliding rail in one side, and mobile bracket drives mobile platform to move along slide direction.
Preferably, the mobile bracket includes two mobile bars arranged in a crossed manner, each mobile bar respectively include the body of rod and
Positioned at two digital display interfaces at body of rod both ends.
Preferably, each digital display interface includes frame, and frame is the square tube shape structure being centered around on the outside of pillar, limitation movement
Bracket can only fix relatively platform and move up and down.
Preferably, at least one digital display interface includes display screen, and display screen is parallel to the surface that pillar is equipped with graduation mark, is shown
Display screen shows the lower surface of the first article to be measured and the lower surface of the second article to be measured according to the distance that mobile platform moves up and down
Between distance,
Preferably, the range accuracy that display screen is shown is 0.01mm.
Preferably, the mobile bracket further includes multiple positioning devices, and the side at digital display interface is equipped with location hole, positioning dress
It sets embedded in positioning hole；
When positioning device is in relaxed state, mobile bracket can drive mobile platform to move up and down relative to fixed platform；
When positioning device is in tight condition, mobile bracket and pillar are relatively fixed.
Preferably, the positioning device is positioning bolt or positioning pin.
The utility model can bring it is at least one of following the utility model has the advantages that
1, mobile platform is driven to move up and down and can precise positioning using mobile bracket；
2, the digital display interface on the graduation mark on pillar and mobile bracket can be read, and range measurement accuracy is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of existing direct-light-type backlight；
Fig. 2 is the structural schematic diagram of the distance-measurement tool of the utility model.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
The distance-measurement tool of the utility model is used to measure lamp plate 01 (the i.e. first article to be measured) and optical diaphragm 02 is (i.e.
The distance between second article to be measured), it is preferable that the lamp plate 01 is equipped with multiple miniature lamp beads 011 (Mini-LED), lamp plate
01 and 02 group of optical diaphragm be combined into straight-down negative Mini-LED backlight, light mixing distance OD influences the optics taste of the backlight, because
This finds optimal light mixing distance and measures and is an important issue.
As shown in Fig. 2, the distance-measurement tool includes: the bearing base 11 being parallel to each other and fixed platform 12, is connected to
Multiple pillars 2 between bearing base 11 and fixed platform 12, the movement between bearing base 11 and fixed platform 12 are flat
Platform 31 and mobile bracket 32 for driving mobile platform 31 to move up and down.
Bearing base 11 is plate made of metal or plastic or other material, flat for making distance-measurement tool steadily be placed in one
On face.
Fixed platform 12 is the plate for being parallel to bearing base 11, for optical diaphragm 02 is fixed, in fixed platform 12
Central location be equipped with the aperture that light can be made to penetrate, aperture can be rectangle or round hollow out.In the present embodiment, fixed flat
The cross section of platform 12 is a rectangular box-like structure, is equipped with multiple magnet 4 on four sides of rectangle frame or quadrangle.When optical diaphragm 02 is put
Set when in fixed platform 12, the magnet 4 positioned at 12 lower surface of fixed platform be placed in the magnet of 02 upper surface of optical diaphragm
It attracts each other, optical diaphragm 02 is fixed.Alternatively, fixed platform 12 is made of magnetic material.
The pillar 2 being connected between bearing base 11 and fixed platform 12 is acted on support and measurement, each pillar 2
Perpendicular to 11 surface of bearing base, there is a plurality of graduation mark on the surface of at least one pillar 2, should be vertical equipped with the surface of graduation mark
One side in 11 surface of bearing base.Preferably, distance-measurement tool includes four pillars 2, and four pillars 2 are located at rectangle
On four angles of bearing base 11, each pillar 2 is equipped with sliding rail 21 in one side.
Mobile platform 31 is between bearing base 11 and fixed platform 12, and the surface of mobile platform 31 is parallel to and holds
Carry the surface of pedestal 11.Mobile platform 31 is equipped with multiple lamp beads 011 of rectangular arrangement for carrying lamp plate 01, lamp plate 01,
Lamp plate 01 is also connected with the external power supply for lighting lamp bead 011.
Mobile bracket 32 is between bearing base 11 and fixed platform 12, for driving mobile platform 31 relative to fixation
Platform 12 moves up and down.Mobile bracket 32 includes two mobile bars arranged in a crossed manner, and each mobile bar includes the body of rod and is located at bar
Two digital display interfaces 33 at body both ends, two body of rod cross-fixings.
At least one of four digital display interfaces 33 include display screen, and display screen is parallel to the table that pillar 2 is equipped with graduation mark
Face, display screen show the lower surface of optical diaphragm 02 and the following table of lamp plate 01 along the distance that sliding rail moves up and down according to mobile platform
Distance between face, the range accuracy of display are 0.01mm, the distance combination optics between the lower surface and lamp plate 01 of optical diaphragm 02
The thickness of diaphragm 02, the thickness of lamp plate 01, lamp bead 011 height light mixing distance OD can be calculated.Each digital display interface 33
Including frame, frame is the square tube shape structure for being centered around 2 outside of pillar, and limiting mobile bracket 32 can only be along the sliding rail 21 of pillar 2
Direction is mobile.
Mobile bracket 32 further includes multiple positioning devices 34, and the side at digital display interface 33 is equipped with location hole, positioning device 34
Embedded in positioning hole.When positioning device 34 is in relaxed state, mobile bracket 32 can drive mobile platform 31 relative to fixed flat
Platform 12 moves up and down, to adjust the distance between lamp plate 01 and optical diaphragm 02 to best spacing；Positioning device 34 is in and tightens shape
When state, mobile bracket 32 and pillar 2 are relatively fixed, facilitate reading to fix the distance between lamp plate 01 and optical diaphragm 02.It is fixed
Position device 34 can be positioning bolt or positioning pin.
This practical new distance-measurement tool can be not only used for measurement the distance between optical diaphragm and lamp plate, can also survey
Measure the distance between other first articles to be measured and the second article to be measured.
The distance-measurement tool of the utility model is moved up and down using the mobile drive of bracket 32 mobile platform 31 and can be accurate
Positioning, mobile platform 31 is for placing lamp plate 01, and for fixed platform 12 for fixing optical diaphragm 02, mobile platform 31 is relatively fixed
The movement of platform 12 can be achieved 01 opposing optical diaphragm 02 of lamp plate and move up and down, on the graduation mark on pillar 2 and mobile bracket 32
Digital display interface 33 can be read, range measurement accuracy is high.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, multiple improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of distance-measurement tool, for measuring the distance between the first article to be measured and the second article to be measured, feature exists
In, comprising:
Bearing base；
Fixed platform, for fixing the first article to be measured, including the aperture that light can be made to penetrate；
Multiple pillars, connect bearing base and fixed platform, and the surface of at least one pillar is equipped with graduation mark；
Mobile platform, between bearing base and fixed platform, for carrying the second article to be measured；
Mobile bracket, between bearing base and fixed platform, for driving mobile platform relative to moving down in fixed platform
It is dynamic.
2. distance-measurement tool according to claim 1, it is characterised in that:
The fixed platform is equipped with multiple magnet.
3. distance-measurement tool according to claim 1, it is characterised in that:
Each pillar is equipped with sliding rail in one side, and mobile bracket drives mobile platform to move along slide direction.
4. distance-measurement tool according to claim 1, it is characterised in that:
The mobile bracket includes two mobile bars arranged in a crossed manner, and each mobile bar respectively includes the body of rod and is located at body of rod both ends
Two digital display interfaces.
5. distance-measurement tool according to claim 4, it is characterised in that:
Each digital display interface includes frame, and frame is the square tube shape structure being centered around on the outside of pillar, and limiting mobile bracket can only phase
Fixed platform is moved up and down.
6. distance-measurement tool according to claim 4, it is characterised in that:
At least one digital display interface includes display screen, and display screen is parallel to the surface that pillar is equipped with graduation mark, and display screen is according to shifting
The distance that moving platform moves up and down shows the distance between the lower surface of the first article to be measured and the lower surface of the second article to be measured.
7. distance-measurement tool according to claim 6, it is characterised in that:
The range accuracy that display screen is shown is 0.01mm.
8. distance-measurement tool according to claim 1, it is characterised in that:
The mobile bracket further includes multiple positioning devices, and the side at digital display interface is equipped with location hole, and positioning device is embedded in positioning
In hole；
When positioning device is in relaxed state, mobile bracket can drive mobile platform to move up and down relative to fixed platform；Positioning
When device is in tight condition, mobile bracket and pillar are relatively fixed.
9. distance-measurement tool according to claim 8, it is characterised in that:
The positioning device is positioning bolt or positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693909.XU CN208860257U (en) | 2018-10-19 | 2018-10-19 | A kind of distance-measurement tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693909.XU CN208860257U (en) | 2018-10-19 | 2018-10-19 | A kind of distance-measurement tool |
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| Publication Number | Publication Date |
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| CN208860257U true CN208860257U (en) | 2019-05-14 |
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ID=66421270
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821693909.XU Active CN208860257U (en) | 2018-10-19 | 2018-10-19 | A kind of distance-measurement tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307017A (en) * | 2020-03-31 | 2020-06-19 | 中国航发动力股份有限公司 | Method for determining detection distance during illumination measurement |
-
2018
- 2018-10-19 CN CN201821693909.XU patent/CN208860257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307017A (en) * | 2020-03-31 | 2020-06-19 | 中国航发动力股份有限公司 | Method for determining detection distance during illumination measurement |
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Effective date of registration: 20200828 Address after: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Patentee after: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Address before: Nanjing Crystal Valley Road in Qixia District of Nanjing City Tianyou 210033 Jiangsu province No. 7 Co-patentee before: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Patentee before: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Co-patentee before: Nanjing East China Electronic Information Technology Co.,Ltd. |