CN209343076U - The chopping mechanism of display screen test lamp box - Google Patents
The chopping mechanism of display screen test lamp box Download PDFInfo
- Publication number
- CN209343076U CN209343076U CN201822186531.0U CN201822186531U CN209343076U CN 209343076 U CN209343076 U CN 209343076U CN 201822186531 U CN201822186531 U CN 201822186531U CN 209343076 U CN209343076 U CN 209343076U
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- Prior art keywords
- black
- out cloth
- spool
- lamp box
- display screen
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 239000004744 fabric Substances 0.000 claims abstract description 85
- 208000003443 Unconsciousness Diseases 0.000 claims abstract description 84
- 230000004308 accommodation Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses the chopping mechanisms of display screen test lamp box, including several black-out clothes and spool identical with black-out cloth quantity, the corresponding spool of each black-out cloth, shading region and at least one transparent area are provided on black-out cloth, every kind of transparent area corresponds to a kind of product to be measured, one end of black-out cloth is connected with spool, and black-out cloth is on spool, one end that black-out cloth is not connected with spool, black-out cloth can be driven to be unfolded under external force, by the switching for transferring different black-out cloth or the expansion degree realization transparent area for controlling black-out cloth.The utility model can satisfy same test lamp box and test the actual production demand of a variety of different model products, while have the advantage that first, and structure is simple, be manually operable, and save time cost；Second, a possibility that light leakage in detection process is effectively reduced, improve the accuracy of testing result.
Description
Technical field
The utility model relates to testing equipment fields, the in particular to chopping mechanism of display screen test lamp box.
Background technique
With the development of economy with the raising of living standards of the people, all kinds of liquid crystal applications products are in national economy production and people
Role is also more and more important in social life, liquid crystal applications product becomes more diversified and universalness, in liquid crystal display panel
Production process in, in order to improve the versatility and cost performance of product, need to detect the optical characteristics of liquid crystal display panel,
When detection, the backlight module in liquid crystal display is replaced usually using luminous lamp box.Increasingly due to current liquid crystal display panel size
It is more, in actual production, it is often necessary to which a kind of test equipment tests plurality of liquid crystals panel model.
Large-sized test equipment test small size liquid crystal display panel when, need to test lamp box in optical detector
The noisy part luminous zone of device blocked, and generally uses in actual production be made of black-out cloth, sliding rail and screw rod at present
Chopping mechanism blocks luminous zone from three directions, and such chopping mechanism mechanism is complicated, not easy to operate；And it is easy leakage
Light influences test result.
Utility model content
The purpose of this utility model is to provide for a kind of chopping mechanism of display screen test lamp box, can solve above-mentioned existing
One or more of technical problem.
The shading region of the utility model refer to the partial region on black-out cloth be light can not by region, can be effective
Prevent light leakage, transparent area refer to light can by and the region tested, a kind of transparent area correspond to a kind of needs test and produce
The model size of product.
One aspect according to the present utility model provides the chopping mechanism of display screen test lamp box, comprising: several shadings
Cloth and with the one-to-one spool of black-out cloth, shading region and at least one transparent area, every kind of transparent area pair are provided on black-out cloth
A kind of product to be measured is answered, one end of black-out cloth is connected with spool, and on spool, and spool setting is in test lamp box case
In vivo, one end that black-out cloth is not connected with spool can drive black-out cloth to be unfolded, and be laid on light source under external force
Side, by the switching for transferring different black-out cloth or the expansion degree realization transparent area for controlling black-out cloth.
It has the advantage that: each transparent area corresponds to a kind of size of product to be measured, by transferring different shadings
Cloth or the expansion degree for controlling black-out cloth realize the switching of transparent area, and a variety of different shapeds can be tested by meeting same test lamp box
The actual production demand of number product.Meanwhile having the advantage that first, structure is simple, is manually operable, and saves time cost；
The case where second, lightproof area is complete, avoids multi-direction common shading easy light leakage generation, is effectively reduced light leakage in detection process
Possibility improves the accuracy of testing result.
In some embodiments, black-out cloth uses light-proof material, and transparent area hollow out is arranged on black-out cloth.As a result,
According to product size difference, transparent area is reserved on black-out cloth with the mode of hollow out, lightproof area and transmission region boundary are clear
Clear, lightproof area is complete, reduces the possibility of light leakage, and transparent area is unobstructed to light source, and translucent effect more preferably, realizes a test
While lamp box can test a variety of different model products, measuring accuracy is improved.
In some embodiments, black-out cloth uses high light transmission material, and shading region is by light-proof material air brushing in black-out cloth
On.The case where avoiding the easy light leakage of three common shadings in direction as a result, generation, improves measuring accuracy.
In some embodiments, spring mechanism is set in spool.Black-out cloth under external force can be from spool as a result,
Middle pull-out, black-out cloth can automatic winding be together under the action of spring mechanism after external force disappears.
In some embodiments, clamping mechanism is provided on spool.As a result, when black-out cloth is deployed into suitable position,
Clamping mechanism can fix spool, and the length that black-out cloth is unfolded is fixed, and guarantee the stabilization of black-out cloth in test process.
In some embodiments, black-out cloth is not connected with being provided with pull rod on one end of spool.Black-out cloth is easier as a result,
It is unfolded under external force.
In some embodiments, test light box is internally provided with spool accommodation groove, and spool is mounted on spool accommodating
In slot, openable and closable cover board is provided on spool accommodation groove.The cover board opened as a result, passes through for black-out cloth, and spool can
It is replaced from open cover board, cover plate closing can play a protective role to spool and black-out cloth.
In some embodiments, a positioning pin is respectively arranged in test light box upper surface four corners, and black-out cloth is corresponding
Position on it is each reserve a location hole.Thus, on the one hand, when positioning pin and location hole cooperation make black-out cloth expansion each time,
Transparent area is all in the same position of lamp box；On the other hand, when black-out cloth moves to suitable position, positioning pin and location hole match
It closes, black-out cloth is fixed, guarantee the stability of shading region and transparent area in test process, avoid light leakage, it is quasi- to improve test result
True property.
In some embodiments, test light box upper surface is provided with limited block.Limited block can be with as a result,
Guarantee that trial product to be measured is placed on every time in the luminous zone of lamp box.
Detailed description of the invention
Fig. 1 is a kind of vertical view of the chopping mechanism (no cover board) of the display screen test lamp box of embodiment of the utility model
Figure.
Fig. 2 is the top view of the chopping mechanism (having cover board) of the display screen test lamp box of embodiment shown in FIG. 1.
Fig. 3 be in Fig. 2 A-A to cross-sectional view.
Fig. 4 is the partial enlarged view in Fig. 3 at B.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
The shading region of the utility model refer to the partial region on black-out cloth be light can not by region, can be effective
Prevent light leakage, transparent area refer to light can by and the region tested, a kind of transparent area correspond to a kind of needs test and produce
The model size of product.
Display screen tests the chopping mechanism of lamp box, as shown in Figures 1 to 4, including four pieces of black-out clothes, 1, four spool 2, it hides
Light cloth 1 and spool 2 correspond, and black-out cloth 1 is made of light-proof material, and a transparent area is arranged in hollow out on every piece of black-out cloth 1
12, a kind of a kind of size of the corresponding trial product to be measured of transparent area 12, the other parts of black-out cloth 1 are shading region 11.Black-out cloth 1
One end is fixed on spool 2, and black-out cloth 1, on spool 2, the setting of spool 2 is inside test light box 3.Work as screening
When one end that light cloth 1 is not connected with spool 2 is by external force, black-out cloth 1 can be unfolded, by transferring different black-out clothes
1, realize the switching of transparent area 12.
Further, the quantity of black-out cloth 1 and spool 2 can be adjusted with actual production demand.
Further, there is more than one transparent area 12 on black-out cloth 1.At this point, transferring different black-out cloth or control
The expansion degree of black-out cloth can realize the switching of transparent area 12.
Further, the production of high light transmission material can be used in black-out cloth 1, and shading region 11 is existed by lighttight material air brushing
On black-out cloth 1.
Further, one end that black-out cloth 1 is not connected with spool 2 is provided with pull rod 13.On the one hand, pull rod 13 can be with
Make the uniform force in stress of black-out cloth 1, it is more steady that process is unfolded in black-out cloth 1；On the other hand, it is unfolded or rolls up in black-out cloth 1
When around state, pull rod 13 is easier to fix.
Spring mechanism, one end that black-out cloth 1 is not connected with spool 2, by external force can be set inside spool 2
When black-out cloth 1 can be taken out of, when external force disappear when, the automatic rollback spool 2 under the action of spring mechanism of black-out cloth 1.
Clamping mechanism can also be set on spool 2.When the length or shading that 1 length of black-out cloth needs to block beyond it
On cloth 1 there are two types of settings and when the above transparent area 12, clamping mechanism is needed to fix spool, thus the journey that black-out cloth 1 is unfolded
Degree is fixed, and guarantees the stabilization of black-out cloth 1 in test process.Further, ratchet mechanism can be used in clamping mechanism.
A mounting base 21 is respectively set in 2 both ends of spool, and spool 2 is arranged in test light box by mounting base 21.
Test light box 3 is rectangular box body, and test 3 center of light box is provided with light source 31, and light source 31 is being tested
The backlight of middle simulation liquid crystal display panel.Optical glass 32 is provided with above light source 31, optical glass has good light transmission, protects
The illumination of card during the test.
In the opposite two sides of light source 31, a spool accommodation groove 33 is respectively set, four spools 2 are placed respectively in pairs
In two spool accommodation grooves 33, openable and closable cover board 34 is provided on spool accommodation groove 33.
Cover board 34 is connected on test light box 3 by connector 35.Further, hinge can be used in connector 35
Chain.The cover board of opening passes through for black-out cloth, and spool can be replaced from open cover board, and cover plate closing can also be right
Spool and black-out cloth play a protective role.
Test 3 surface four corners of light box are respectively arranged a positioning pin 36, each reserved one on the corresponding position of black-out cloth 1
A location hole.On the one hand, when positioning pin 36 and location hole cooperation make the expansion of black-out cloth 1 each time, transparent area 12 is all in lamp box
Same position；On the other hand, when black-out cloth 1 moves to suitable position, positioning pin 36 and location hole are matched, and black-out cloth 1 is consolidated
It is fixed, guarantee the stability of shading region 11 and transparent area 12 in test process, avoid light leakage, improves test result accuracy.
On the inner wall of spool accommodation groove 32, pull rod accommodation groove 37 and pull rod locating slot 38 are set.
Pull rod accommodation groove 37 is used to place the pull rod 13 on black-out cloth 1 under reeling condition, by be oppositely arranged two
Wall groove composition, is arranged in by the mounting base of spool 2, and pull rod 13 is put into parallel with spool 2 after pull rod accommodation groove 37.
Pull rod locating slot 38 is used to place the pull rod 13 on black-out cloth 1 under unfolded state, by be oppositely arranged two
Wall groove composition, can be set between light source 31 and spool accommodation groove 33.
Test 3 surface of light box is provided with limited block.Preferably, limited block has two pieces, is separately positioned on light transmission
The two sides in area 12 guarantee that trial product to be measured is placed on every time in transparent area 12.
Above-described is only some embodiments of the utility model, it should be appreciated that the common skill of this field
For art personnel, without departing from the concept of the present invention, it can also be improved according to the above description or be handed over
It changes, and all these improvement and exchange all should belong to the protection scope of the appended claims for the utility model.
Claims (9)
1. display screen test lamp box chopping mechanism, it is characterised in that: including several black-out clothes (1) and with the black-out cloth (1)
One-to-one spool (2),
Shading region (11) and at least one transparent area (12) are provided on the black-out cloth (1), every kind of transparent area (12) is right
A kind of product to be measured is answered, one end of the black-out cloth (1) is connected with the spool (2), and wound on the spool (2)
On,
Spool (2) setting is interior in test light box (3),
One end that the black-out cloth (1) is not connected with the spool (2), can drive the black-out cloth (1) under external force
Expansion, and be laid in above light source (31), by the exhibition for transferring the different black-out cloth (1) or the control black-out cloth (1)
The degree of opening can realize the switching of the transparent area (12).
2. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: the black-out cloth (1) is not
Translucent material, transparent area (12) hollow out are arranged on the black-out cloth (1).
3. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: the black-out cloth (1) is high
Translucent material, the shading region (11) are formed by light-proof material air brushing.
4. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: set in the spool (2)
Set spring mechanism.
5. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: set on the spool (2)
It is equipped with clamping mechanism.
6. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: the black-out cloth (1) is not
It connects and is provided with pull rod (13) on one end of the spool (2).
7. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: the test light box
(3) it is internally provided with spool accommodation groove (33), the spool (2) is mounted in the spool accommodation groove (33), and the spool holds
It sets and is provided with openable and closable cover board (34) on slot (33).
8. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: the test light box
(3) upper surface four corners are respectively arranged a positioning pin (36), each reserved positioning on the corresponding position of the black-out cloth (1)
Hole.
9. the chopping mechanism of display screen test lamp box according to claim 1, it is characterised in that: in the test lamp box case
Body (3) upper surface is provided with limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186531.0U CN209343076U (en) | 2018-12-25 | 2018-12-25 | The chopping mechanism of display screen test lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186531.0U CN209343076U (en) | 2018-12-25 | 2018-12-25 | The chopping mechanism of display screen test lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209343076U true CN209343076U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822186531.0U Expired - Fee Related CN209343076U (en) | 2018-12-25 | 2018-12-25 | The chopping mechanism of display screen test lamp box |
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| Country | Link |
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| CN (1) | CN209343076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445138A (en) * | 2018-12-25 | 2019-03-08 | 苏州市琳珂照明科技有限公司 | The chopping mechanism of display screen test lamp box |
| CN111114188A (en) * | 2019-12-12 | 2020-05-08 | 陈蕾沁 | Novel copyboard convenient to shading |
-
2018
- 2018-12-25 CN CN201822186531.0U patent/CN209343076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445138A (en) * | 2018-12-25 | 2019-03-08 | 苏州市琳珂照明科技有限公司 | The chopping mechanism of display screen test lamp box |
| CN111114188A (en) * | 2019-12-12 | 2020-05-08 | 陈蕾沁 | Novel copyboard convenient to shading |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 |