CN104181709A - Fixing device for vibration test of liquid crystal panel - Google Patents
Fixing device for vibration test of liquid crystal panel Download PDFInfo
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- CN104181709A CN104181709A CN201310191986.0A CN201310191986A CN104181709A CN 104181709 A CN104181709 A CN 104181709A CN 201310191986 A CN201310191986 A CN 201310191986A CN 104181709 A CN104181709 A CN 104181709A
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- liquid crystal
- crystal panel
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- connecting hole
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Abstract
The invention discloses a fixing device for the vibration test of a liquid crystal panel. The liquid crystal panel is provided with two opposite end faces in the X direction. Both the end faces are provided with screw holes. The fixing device comprises a bottom plate, two fixing parts, first screws and second screws, wherein the first screws and the second screws are matched with the screw holes; each fixing part is provided with a first plane and a second plane; the two fixing parts are respectively fixed at both ends of the liquid crystal panel in the X direction by the first screws; the first planes of the two fixing parts are respectively attached and connected to the two end faces; the fixing parts are connected to the same plate face of the bottom plate by the second screws; the same plate face is attached and connected to the second planes; a gap is formed between the bottom plate and the liquid crystal panel. Due to utilization of attached connection between faces, vibration energy can be effectively and reliably transferred to the liquid crystal panel by the fixing device; meanwhile, only the end faces of the liquid crystal panel are connected with the fixing device, so that accuracy of a result of the vibration test is ensured.
Description
Technical field
The present invention relates to liquid crystal panel vibration-testing, relate in particular to a kind of stationary installation for liquid crystal panel vibration-testing.
Background technology
Liquid crystal panel is as LCD, formed by upper substrate assembly, infrabasal plate assembly, liquid crystal, drive circuit unit, backlight module and other annexes, and LCD backlight module is made up of parts such as upper diffusion sheet, lower diffusion sheet, brightening piece, light guide plate, aluminium backboard, glue frame, light sources.Between all parts of LCD, connect each other and the interference of phase mutual, use links all to have the environment of LCD carrying, vibration LCD production and assembly, packed and transported, client, cumulative effect or fierce vibration environment all may make LCD obtain picture quality to be affected for a long time.Manufacturer is in carrying out LCD production, often see that LCD exists the phenomenons such as Cell foreign matter, Polarizer foreign matter, BLU foreign matter, client is carrying out in display screen use procedure, may find sometimes to show in LCD screen dirty, be exactly in fact foreign matter in vibration environment or handling process, foreign matter enters LCD display visible area to be caused.
Vibration test is the test that produces violent shake and moment impact in a kind of simulate and use procedure due to environmental change.But there are two problems in vibration testing method at present: the one, LCD vibration test does not have the test platform (mainly referring to fixing tool and the fixed form of LCD) of standard, cause carrying out same test conditions test with a LCD in different testing agencies, but test result is inconsistent.The 2nd, LCD is in test process, and the vibration G value of board namely vibrational energy cannot accurately be delivered in test products, causes test result difference.
Summary of the invention
Technical matters to be solved by this invention is, a kind of stationary installation for liquid crystal panel vibration-testing is provided, can be by liquid crystal panel fixation, and vibration is effectively passed to liquid crystal panel.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of stationary installation for liquid crystal panel vibration-testing, described liquid crystal panel upwards has two relative end faces at X, described in two, on end face, be equipped with screw, it is characterized in that, described stationary installation comprises base plate, two fixtures, the first screw and the second screw that match with described screw;
Described fixture has one first plane and one second plane; Described in two, fixture is fixed to described liquid crystal panel at X two ends upwards by the first screw respectively, and described in two, the first plane of fixture is fitted and connected with end face described in two respectively;
Described fixture is connected in the same plate face of described base plate by described the second screw, and this plate face and described the second plane are fitted and connected; Between described base plate and described liquid crystal panel, there is gap.
Wherein, described liquid crystal panel is perpendicular to Z-direction, and described fixture is the strip arranging along Y-direction, and described X is three orthogonal directions to, described Y-direction and described Z-direction; The xsect of described fixture is L shaped, and it comprises integrated the first batten and the second batten, and described the first plane is a plate face of described the first batten, and described the second plane is a plate face of the second batten.
Wherein, the length of described base plate in described Y-direction is greater than the length of described fixture.
Wherein, the center symmetry of the relatively described base plate of fixture described in two.
Wherein, the area of described the first plane is greater than the area of described end face.
Wherein, each described fixture is all connected with described liquid crystal panel by the first screw described in two or more.
Wherein, each described fixture is all connected with described base plate by the second screw described in two or more.
Wherein, described fixture is provided with connecting hole, and described base plate is provided with multiple perforates, and multiple described perforates are arranged at least one row, and the multiple perforates in each row are along X to arranging;
Described perforate and described connecting hole are through hole, and described the second screw is connected with a nut after running through described perforate and described connecting hole; Or,
Described connecting hole is through hole, is provided with the internal thread matching with described the second screw in described perforate, and described the first screw runs through described connecting hole and is threaded with described perforate; Or,
Described perforate is through hole, is provided with the internal thread matching with described the second screw in described connecting hole, and described the second screw runs through described perforate and is threaded with described connecting hole.
Wherein, described fixture is provided with connecting hole, and described base plate is provided with along described X to the bar hole arranging;
Described connecting hole is through hole, and described the second screw runs through described connecting hole and described bar hole and a nut and is connected; Or,
In described connecting hole, be provided with the internal thread matching with described the second screw, described the second screw runs through described bar hole and is threaded with described connecting hole.
Wherein, described the first screw turns is arranged at described fixture and relatively described fixture axial restraint.
The stationary installation for liquid crystal panel vibration-testing that the embodiment of the present invention provides, between fixture and liquid crystal panel, be fitted and connected by the first plane and end face, fixture is fitted and connected by the second plane and base plate, makes the firm and reliable connection between fixture and liquid crystal panel; After stationary installation is installed on vibration test equipment, utilize being fitted and connected between face and face, can vibrational energy be passed to liquid crystal panel effectively, reliably by stationary installation; While liquid crystal panel only end face is connected with stationary installation, ensures the accuracy of Results of Vibration.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the stationary installation that provides of the preferred embodiment of the present invention and the schematic diagram that coordinates of liquid crystal panel;
Fig. 2 is the decomposing schematic representation of stationary installation and liquid crystal panel in Fig. 1;
Fig. 3 is the vertical view of stationary installation and liquid crystal panel in Fig. 1;
Fig. 4 is the side view of stationary installation and liquid crystal panel in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, in figure, X is three mutually perpendicular directions to, Y-direction, Z-direction.
Referring to Fig. 1 to Fig. 4, a kind of stationary installation for liquid crystal panel vibration-testing providing for the preferred embodiment of the present invention.Liquid crystal panel 100 upwards has two relative end faces 101 at X, is equipped with screw 102 in both ends of the surface 101.In present embodiment, the each described end face 101 of liquid crystal panel 100 to be tested is provided with two screws 102.Liquid crystal panel 100, perpendicular to Z-direction, makes its end face 101 for the strip along Y-direction.
As shown in Figures 1 and 2, stationary installation comprises two fixtures 31,32, base plate 2, the first screw 41 matching with screw 102 and the second screw 42.The structure of two fixtures 31,32 and identical with liquid crystal panel 100 connected modes, below illustrate as an example of fixture 31 example its structure and with being connected of liquid crystal panel 100.
Fixture 31 has one first plane 31a and one second plane 31b.In the present embodiment, fixture 31 is the strip arranging along Y-direction, so that itself and the coordinating of the end face 101 of strip.The xsect of fixture 31 is L shaped, it comprises integrated the first batten 311 and the second batten 312, the first plane 31a is a plate face of the first batten 311, the second plane 31b is a plate face of the second batten 312, can be convenient to the processing preparation of fixture 31, be beneficial to being fixedly connected with of fixture 31 and liquid crystal panel 100 and base plate 2 simultaneously.Herein, in other embodiment, fixture 31 also can be other shapes such as flat column, triangle column.
Two fixtures 31,32 are fixed to liquid crystal panel 100 at X two ends upwards by the first screw 41 respectively, and the first plane of two fixtures 31,32 is fitted and connected with both ends of the surface 101 respectively.In the present embodiment, the first screw 41 is four, between two respectively with each described end face 101 on two screws 102 be connected, the first batten 311 of fixture 31 is fixedly connected with liquid crystal panel 100 by two the first screws 41.The second batten 312 is positioned at the side of the first batten 311 away from liquid crystal panel 100, so that the assembly connection between two fixtures 31 and base plate 2.Herein, the number of the first screw 41 can determine according to screw 102 numbers on liquid crystal panel 100 end faces 101, and in conventional Production design, each end face 101 of liquid crystal panel 100 is provided with two screws 102, and pitch-row between two screws 102 is determined; Certainly,, in the time that end face 101 is provided with more than two screw 102, fixture 31 can be connected by two the first screws 41 and two screws 102 wherein, or is connected with it by two above the first screws 41.
For the reliability that further ensures to be connected between fixture 31 and liquid crystal panel 100, the area of the first plane 31a is greater than the area of liquid crystal panel 100 end faces 101.
In order to prevent that the first screw 41 gets loose in vibration-testing, can between the first batten 311 of the nut of the first screw 41 and fixture 31, elastic washer be set.
As described in Figure 4, two fixtures 31,32 are all connected in the same plate face 2a of base plate 2 by the second screw 42, and this plate face 2a and described the second plane are fitted and connected.Base plate 2 is parallel to liquid crystal panel 100, and base plate 2 is perpendicular to Z-direction.Between base plate 2 and liquid crystal panel 100, there is gap, ensure that only the end face 101 of liquid crystal panel 100 is connected with stationary installation.There is gap with liquid crystal panel 100 in base plate 2, can avoid the deformation of base plate 2 and liquid crystal panel 100 in vibration-testing in Z-direction, avoids the two collision to affect test accuracy.As preferably, as shown in Figure 3, the center symmetry of two fixture 31,32 relative base plates 2, can make after fixture 31,32 and liquid crystal panel 100 assembly connections, liquid crystal panel 100 is positioned at the central area of base plate 2, ensures that each position of liquid crystal panel 100 in vibration is stressed evenly.
The length of base plate 2 in Y-direction is greater than the length of fixture 31,32, with the reliability that ensures to be connected between base plate 2 and fixture 31,32, ensures effective transmission of vibration, avoids the Relative Vibration between base plate 2 and fixture 31,32.
In the present embodiment, as shown in Figure 2, the second batten 312 of fixture 31 is provided with three connecting holes 30, and fixture 31 can be fixedly connected with base plate 2 by three the second screws 42.Herein, in other embodiment, fixture 31 also can be connected with base plate 2 by the second screw 42 of, two or other numbers.In order to prevent that the second screw 42 from getting loose, can be on the second screw 42 sheathed elastic washer.
As shown in Figures 2 and 3, base plate 2 is provided with multiple perforates 201, for connecting hole 30 corresponding matching.Multiple perforates 201 are arranged in three rows, and the multiple perforates 201 in each row are along X to arranging, and three rows of openings 201 are arranged along Y-direction.Three connecting holes 30 on three rows of openings 201 and fixture 31 coordinate, and utilize three the second screws 42 that this fixture 31 is fixedly connected with base plate 2, and make between this fixture 31 and base plate 2 fixation reliable.Herein, the row of perforate 201 can need to be determined according to itself and coordinating of connecting hole 30.Utilize the multiple perforates 201 in each row, this fixture 31 of capable of regulating to the position being positioned on base plate 2, so that be connected with the liquid crystal panel 100 of different size, can be adjusted to liquid crystal panel 100 central area of base plate 2 simultaneously at X.
Further, as shown in Figure 4, perforate 201 is through hole with connecting hole 30, and the second screw 42 runs through perforate 201 and is connected with a nut 40 with connecting hole 30 is rear.Herein, as another kind of embodiment, perforate 201 is through hole, is provided with the internal thread matching with the second screw 42 in connecting hole 30, and the second screw 42 runs through perforate 201 and is threaded with connecting hole 30; As another embodiment, connecting hole 30 is through hole, is provided with the internal thread matching with the second screw 42 in perforate 201, and the second screw 42 runs through connecting hole 30 and is threaded with perforate 201.
As shown in Figures 2 and 3, on base plate 2, be also provided with along X to the bar hole 202 arranging, bar hole 202 is three, along the Y-direction setting of arranging, to with three connecting hole 30 corresponding matching on another fixture 32, utilize three the second screws 42 that this fixture 32 is fixedly connected with base plate 2.
Further, connecting hole 30 is through hole, and the second screw 42 runs through connecting hole 30 and bar hole 202 and a nut 40 and is connected, thereby fixture 32 is fixedly connected with base plate 2., as another kind of embodiment, be provided with the internal thread matching with the second screw 42 in connecting hole 30 herein, the second screw 42 runs through bar hole 202 and is threaded with connecting hole 30.
In present embodiment, the cooperation by connecting hole 30 and multiple perforates 201 respectively of two fixtures 32, cooperation realization that connecting hole 30 is given with bar hole 202 are connected with base plate 2, wherein, utilize the location that connecting hole 30 and coordinating of multiple perforates 201 can realize one of them fixture 31,32, liquid crystal panel 100 is adjusted to the central area of base plate 2; Utilize coordinating of connecting hole 30 and bar hole 202, realize fixture 32 in X stepless adjustment upwards, so that liquid crystal panel 100 is clamped between two fixtures 31,32.Herein, in other embodiment, two fixtures 31,32 also can be all by connecting hole 30 with the cooperation of perforate 201 or be all connected with base plate 2 with the cooperation of bar hole 202 by connecting hole 30.
In the above-described embodiment, utilize elastic washer to prevent that the first screw 41 from getting loose, as other anti-loose embodiment, the first screw 41 rotates and is arranged at fixture 31 and relative fixture 31 axial restraints, particularly, can on the first screw 41, a jump ring be set, the nut of the first screw 41 and jump ring lay respectively at the both sides of the first batten 311 of fixture 31, thereby restriction the first screw 41 moves axially; On the first batten 311, be provided for accommodating the counterbore of jump ring, to ensure that the first batten 311 is fitted and connected with liquid crystal panel 100 simultaneously.Due to relative fixture 31 axial restraints of the first screw 41, in the time that the first screw 41 gets loose, will inevitably make to produce gap between the first plane 31a and the end face 101 of liquid crystal panel 100, but due to fixture 31 and the fixed sturcture of base plate 2, two fixed heads 31,32 have clamped liquid crystal panel 100, therefore can not produce gap between the first plane 31a and the end face 101 of liquid crystal panel 100, therefore utilize which can effectively prevent that the first screw 41 from getting loose.
In addition, utilize jump ring can prevent that liquid crystal panel 100 is pulled down to rear the first screw 41 to be separated with fixture 31 and the first screw 41 is lost.
Stationary installation provided by the invention, can be used for the vibration-testing of all kinds such as LCD, VA liquid crystal board face.
Above embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of this technical scheme.
Claims (10)
1. the stationary installation for liquid crystal panel vibration-testing, described liquid crystal panel upwards has two relative end faces at X, described in two, on end face, be equipped with screw, it is characterized in that, described stationary installation comprises base plate, two fixtures, the first screw and the second screw that match with described screw;
Described fixture has one first plane and one second plane; Described in two, fixture is fixed to described liquid crystal panel at X two ends upwards by the first screw respectively, and described in two, the first plane of fixture is fitted and connected with end face described in two respectively;
Described fixture is connected in the same plate face of described base plate by described the second screw, and this plate face and described the second plane are fitted and connected; Between described base plate and described liquid crystal panel, there is gap.
2. the stationary installation for liquid crystal panel vibration-testing according to claim 1, it is characterized in that, described liquid crystal panel is perpendicular to Z-direction, and described fixture is the strip arranging along Y-direction, and described X is three orthogonal directions to, described Y-direction and described Z-direction; The xsect of described fixture is L shaped, and it comprises integrated the first batten and the second batten, and described the first plane is a plate face of described the first batten, and described the second plane is a plate face of the second batten.
3. the stationary installation for liquid crystal panel vibration-testing according to claim 2, is characterized in that, the length of described base plate in described Y-direction is greater than the length of described fixture.
4. the stationary installation for liquid crystal panel vibration-testing according to claim 1, the center symmetry of the relatively described base plate of fixture described in two.
5. the stationary installation for liquid crystal panel vibration-testing according to claim 1, the area of described the first plane is greater than the area of described end face.
6. the stationary installation for liquid crystal panel vibration-testing according to claim 1, is characterized in that, each described fixture is all connected with described liquid crystal panel by the first screw described in two or more.
7. the stationary installation for liquid crystal panel vibration-testing according to claim 1, is characterized in that, each described fixture is all connected with described base plate by the second screw described in two or more.
8. the stationary installation for liquid crystal panel vibration-testing according to claim 1, it is characterized in that, described fixture is provided with connecting hole, and described base plate is provided with multiple perforates, multiple described perforates are arranged at least one row, and the multiple perforates in each row are along X to arranging;
Described perforate and described connecting hole are through hole, and described the second screw is connected with a nut after running through described perforate and described connecting hole; Or,
Described connecting hole is through hole, is provided with the internal thread matching with described the second screw in described perforate, and described the first screw runs through described connecting hole and is threaded with described perforate; Or,
Described perforate is through hole, is provided with the internal thread matching with described the second screw in described connecting hole, and described the second screw runs through described perforate and is threaded with described connecting hole.
9. the stationary installation for liquid crystal panel vibration-testing according to claim 1, is characterized in that, described fixture is provided with connecting hole, and described base plate is provided with along described X to the bar hole arranging;
Described connecting hole is through hole, and described the second screw runs through described connecting hole and described bar hole and a nut and is connected; Or,
In described connecting hole, be provided with the internal thread matching with described the second screw, described the second screw runs through described bar hole and is threaded with described connecting hole.
10. the stationary installation for liquid crystal panel vibration-testing according to claim 1, is characterized in that, described the first screw turns is arranged at described fixture and relatively described fixture axial restraint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191986.0A CN104181709A (en) | 2013-05-22 | 2013-05-22 | Fixing device for vibration test of liquid crystal panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191986.0A CN104181709A (en) | 2013-05-22 | 2013-05-22 | Fixing device for vibration test of liquid crystal panel |
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| Publication Number | Publication Date |
|---|---|
| CN104181709A true CN104181709A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310191986.0A Pending CN104181709A (en) | 2013-05-22 | 2013-05-22 | Fixing device for vibration test of liquid crystal panel |
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| Country | Link |
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| CN (1) | CN104181709A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181285A (en) * | 2015-10-19 | 2015-12-23 | 张有科 | Automobile air-conditioning vibration testing device |
| CN107063604A (en) * | 2017-04-20 | 2017-08-18 | 北京计算机技术及应用研究所 | A kind of tablet personal computer vibration-testing frock |
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| JP2006038523A (en) * | 2004-07-23 | 2006-02-09 | Micronics Japan Co Ltd | Inspection device for display panel |
| CN200979485Y (en) * | 2006-11-28 | 2007-11-21 | 佛山市顺德区顺达电脑厂有限公司 | A main-board mechanism testing device |
| CN101308057A (en) * | 2008-06-06 | 2008-11-19 | 北京航空航天大学 | Vibration damping test device possessing dry damping structure vane |
| CN202177760U (en) * | 2011-08-04 | 2012-03-28 | 青岛海信电器股份有限公司 | Adjustable fixing device for testing liquid crystal module |
| CN103837316A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Vibration measurement tool for displayer |
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2013
- 2013-05-22 CN CN201310191986.0A patent/CN104181709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038523A (en) * | 2004-07-23 | 2006-02-09 | Micronics Japan Co Ltd | Inspection device for display panel |
| CN200979485Y (en) * | 2006-11-28 | 2007-11-21 | 佛山市顺德区顺达电脑厂有限公司 | A main-board mechanism testing device |
| CN101308057A (en) * | 2008-06-06 | 2008-11-19 | 北京航空航天大学 | Vibration damping test device possessing dry damping structure vane |
| CN202177760U (en) * | 2011-08-04 | 2012-03-28 | 青岛海信电器股份有限公司 | Adjustable fixing device for testing liquid crystal module |
| CN103837316A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Vibration measurement tool for displayer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181285A (en) * | 2015-10-19 | 2015-12-23 | 张有科 | Automobile air-conditioning vibration testing device |
| CN107063604A (en) * | 2017-04-20 | 2017-08-18 | 北京计算机技术及应用研究所 | A kind of tablet personal computer vibration-testing frock |
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Application publication date: 20141203 |