CN222506700U - LCD high-low temperature testing device - Google Patents
LCD high-low temperature testing device Download PDFInfo
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- CN222506700U CN222506700U CN202421368819.9U CN202421368819U CN222506700U CN 222506700 U CN222506700 U CN 222506700U CN 202421368819 U CN202421368819 U CN 202421368819U CN 222506700 U CN222506700 U CN 222506700U
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 15
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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Abstract
本实用新型提供一种LCD高低温测试装置，包括测试组件、调节放置组件以及支持架结构，调节放置组件包括底板以及依次设于底板顶部中心上的第一调节板、第二调节板、第三调节板以及放置板，在底板上设有推动第一调节板沿底板长度方向移动的第一推动部件、分别推动第二调节板和第三调节板沿底板宽度方向移动的第二推动部件以及第三推动部件，在支架结构上设置有CCD部件以及三维调节组件，在三维调节组件上设置有第一滑动结构、滑动设置在第一滑动结构上的FPC连接板以及连接在FPC连接板底部的FPC固定板，FPC固定板设于放置板上方，在FPC固定板的底部设置有适配FPC的FPC槽，在FPC槽朝向放置位的一侧设置有用于连接FPC与LCD的压条。
The utility model provides an LCD high and low temperature testing device, comprising a testing component, an adjusting and placing component and a supporting frame structure, wherein the adjusting and placing component comprises a bottom plate and a first adjusting plate, a second adjusting plate, a third adjusting plate and a placing plate which are sequentially arranged on the top center of the bottom plate, a first pushing component for pushing the first adjusting plate to move along the length direction of the bottom plate, a second pushing component and a third pushing component for respectively pushing the second adjusting plate and the third adjusting plate to move along the width direction of the bottom plate are arranged on the bottom plate, a CCD component and a three-dimensional adjusting component are arranged on the supporting frame structure, a first sliding structure, an FPC connecting plate slidably arranged on the first sliding structure and an FPC fixing plate connected to the bottom of the FPC connecting plate are arranged on the three-dimensional adjusting component, the FPC fixing plate is arranged above the placing plate, an FPC slot adapted to the FPC is arranged at the bottom of the FPC fixing plate, and a pressure strip for connecting the FPC and the LCD is arranged on the side of the FPC slot facing the placing position.
Description
Technical Field
The utility model relates to the technical field of LCD (liquid crystal display), in particular to an LCD high and low temperature testing device.
Background
The liquid crystal glass substrate (LCD) is a basic component of a liquid crystal display module, and after the liquid crystal display module is assembled, the LCD needs to be tested at high and low temperatures so as to prevent the LCD from generating a screen pattern in an extreme weather environment (high temperature or low temperature), a picture generates a smear, a dynamic picture cannot be displayed normally, and the problems such as black screen appear.
In the prior art, the high and low temperature test of the LCD is that a liquid crystal display module provided with the LCD is firstly put into a special high temperature constant humidity oven for heating for 2 hours, then put into a special low temperature constant humidity oven for cooling for 2 hours, whether the LCD is normal or not needs to be detected after the heating and cooling are finished, the LCD has abnormal conditions during the heating and cooling, the liquid crystal display module is required to be marked and then returned to a disassembly department for replacing the LCD, and then the high and low temperature test of the LCD is carried out, but reworking and disassembly greatly influence the high and low temperature test efficiency of the LCD.
Disclosure of utility model
Based on this, the present utility model aims to provide a high-low temperature testing device for an LCD, which can effectively solve the above-mentioned shortcomings in the prior art.
An LCD high and low temperature test apparatus comprising:
a testing component;
the testing component comprises a control structure for controlling the driving structure and the LCD to heat or cool, and a PG signal processor connected to one side of the control structure for sending out and monitoring a testing signal;
adjusting the placement assembly;
The adjusting and placing assembly comprises a bottom plate arranged at the top of the control structure, a first adjusting plate, a second adjusting plate, a third adjusting plate and a placing plate for placing the LCD, wherein the first adjusting plate, the second adjusting plate, the third adjusting plate and the placing plate are sequentially arranged at the center of the top of the bottom plate;
A three-dimensional adjustment assembly;
The three-dimensional adjusting assembly comprises a support connected to two sides of the top of the bottom plate, a CCD component and a three-dimensional adjusting component used for adjusting the three-dimensional position of the CCD component are arranged on the support, a first sliding structure is arranged on the three-dimensional adjusting component, an FPC connecting plate arranged on the first sliding structure in a sliding mode, an FPC fixing plate connected to the bottom of the FPC connecting plate and a driving structure used for driving the FPC fixing plate to slide up and down are arranged on the three-dimensional adjusting component, the FPC fixing plate is arranged above the placing plate, an FPC groove used for adapting to an FPC is arranged at the bottom of the FPC fixing plate, one side of the FPC groove facing the placing plate is provided with a pressing strip used for connecting the FPC with the LCD, and the CCD component is used for observing alignment marks of the LCD and the FPC.
Compared with the prior art, the utility model has the beneficial effects that the LCD can be tested at high and low temperature by arranging the testing component, adjusting the placing component and the supporting frame structure; specifically, through placing LCD on placing the board, install the FPC with LCD looks adaptation in the FPC inslot, adjust the position of CCD part through three-dimensional adjusting part, make CCD part can observe the counterpoint mark of LCD and FPC, through first promotion part, the second promotion part and third promotion part adjust first regulating plate respectively, the second regulating plate, the position of third regulating plate is so that the counterpoint mark of LCD coincides with FPC, drive the structure so that the FPC connecting plate drives FPC fixed plate and moves down, make FPC and LCD be connected and the layering support and lean on placing the board, heat LCD to 85 ℃ through control structure, send and monitor the test signal through PG signal processor and whether normal, simultaneously observe whether the LCD display picture is normal through the naked eye, test signal or LCD display picture is not abnormal when abnormal, rethread control structure drops LCD to 30 ℃ down, send and monitor the test signal through PG signal processor and whether normal, simultaneously observe the LCD display picture through naked eye, so that the LCD need not to install into LCD display module and put into the professional oven and carry out LCD high temperature test, can be in the high temperature test with LCD or the LCD low temperature test, can be moved to the LCD is connected with LCD through the control structure in order to make the high temperature test, can be connected with LCD and can take out the LCD and take out the high temperature test process and can be directly and take off the LCD and take off the high temperature test.
Further, a plurality of first axial limiting structures are arranged on the bottom plate along the length direction of the bottom plate, the first axial limiting structures comprise first sliding rails fixedly connected to the bottom plate and a plurality of first sliding parts arranged on the first sliding rails in a sliding mode, first sliding grooves matched with the first sliding parts are formed in the bottom plate, and the tops of the first sliding parts are flush with the tops of the bottom plate.
Further, first regulating plate threaded connection is at first sliding part top be provided with a plurality of second axial limit structure on the first regulating plate along its width direction range, second axial limit structure is including fixed connection second slide rail and the slip setting of on the first regulating plate are in a plurality of second sliding part on the second slide rail set up on the first regulating plate with the second spout of second sliding part looks adaptation, the top of second sliding part is higher than the top of first regulating plate, the bottom of second sliding part with the bottom parallel and level of first regulating plate.
Further, a second adjusting plate is arranged at the top of the first adjusting plate, the second adjusting plate is in threaded connection with the top of the second sliding part, a groove matched with the second sliding part is formed in the bottom of the second adjusting plate, and the depth of the groove is greater than or equal to the height of the second sliding part higher than the top of the first adjusting plate.
Further, be provided with the third regulating plate at the top of second regulating plate four waist type holes have been seted up to the third regulating plate, the third regulating plate passes through waist type hole threaded connection is in on the second regulating plate the top threaded connection of third regulating plate has place the board on be equipped with the place that is used for placing LCD place the board both sides of placing are provided with respectively and are used for getting to put the recess of LCD with get a groove.
Further, the CCD part includes first CCD structure and second CCD structure, three-dimensional adjusting part is including connecting be in be used for the adjustment on the support first CCD structure with the X axle adjusting part of second CCD structure X axle position, X axle adjusting part is including connecting pillar, the connection two on the pillar second sliding structure and backplate, first sliding structure connects the backplate bottom, drive structure sets up the backplate is kept away from one side of second sliding structure still swing connecting piece that is used for installing CCD display screen and universal lamp on the backplate, swing connecting piece divide to locate drive structure both sides the last slip of second sliding structure is provided with first fixed plate and second fixed plate.
Further, the first fixing plate and the second fixing plate are connected with connecting plates, the connecting plates are connected with Z-axis adjusting parts for adjusting the Z-axis positions of the first CCD structure and the second CCD structure, the Z-axis adjusting parts comprise a first push-pull structure and a top transverse plate, the first push-pull structure is connected to one side of the back plate, the first push-pull structure comprises a first box body, a first push block and a first connecting rod, the first box body is connected to the first push block, one end of the first connecting rod is connected to the first push block, a first through hole for installing a first elastic structure is formed in the first box body, the aperture of one end of the first through hole is between the first elastic structure and the first connecting rod, the aperture of the other positions of the first through hole is matched with the first elastic structure, the other end of the first connecting rod penetrates through the first through hole to be connected to the top transverse plate, the first elastic structure is sleeved on the first connecting rod, and the first elastic structure is further connected to the first threaded top wire of the first connecting rod.
Further, the bottom of top diaphragm is connected with and is used for adjusting first CCD structure and the Y axle adjusting part of second CCD structure Y axle position, Y axle adjusting part is including connecting the riser of top diaphragm bottom and connect the end diaphragm of riser bottom and set up second push-and-pull structure on the end diaphragm, second push-and-pull structure includes the second box body, connects the end of end diaphragm top is kept away from the second ejector pad of riser one end, one end is connected second connecting rod on the second ejector pad set up in the second box body be used for installing second elastic structure's second through-hole, the second through-hole orientation second ejector pad 74 one end the aperture is between second elastic structure with between the second connecting rod, the aperture adaptation of second through-hole other positions second elastic structure, the other end of second connecting rod passes the second through-hole is connected on the riser, just second elastic structure cover is established the second connecting rod stretches into the second part of riser, second top wire is still located on the second CCD structure.
Further, a first spring groove for installing a third elastic structure is formed in the bottom plate, two ends of the first spring groove are respectively connected in the first spring groove and the bottom of the first adjusting plate, a second spring groove for installing a fourth elastic structure is formed in the first adjusting plate, two ends of the second spring groove are respectively connected in the second spring groove and the bottom of the second adjusting plate, a third spring groove for installing a fifth elastic structure is formed in the second adjusting plate, and two ends of the third spring groove are respectively connected in the third spring groove and the bottom of the third adjusting plate.
Drawings
FIG. 1 is a schematic diagram of a first view angle of an LCD high/low temperature testing device according to an embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of a second view angle of the LCD high/low temperature testing device according to the embodiment 1 of the present utility model;
FIG. 3 is a schematic view of the overall structure of a base plate according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the overall structure of a placement plate according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the overall structure of a third adjusting plate according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram showing the overall structure of a second adjusting plate according to an embodiment of the present utility model;
FIG. 7 is a schematic view of the overall structure of a first adjusting plate according to an embodiment of the present utility model;
FIG. 8 is a perspective view of a Y-axis adjustment member and a Z-axis adjustment member in an embodiment of the present utility model;
fig. 9 is a schematic diagram of the overall structure of the FPC fixing board according to the embodiment of the present utility model;
Description of main reference numerals:
the utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "first," "second," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 9, the LCD high/low temperature testing apparatus according to the embodiment of the present utility model includes a testing assembly 10, an adjusting and placing assembly 20 disposed on the testing assembly 10, and a three-dimensional adjusting assembly disposed on the adjusting and placing assembly 20.
The test assembly 10 includes a control structure 11 for controlling the driving structure 100 and the LCD to heat or cool, and a PG signal processor 12 connected to one side of the control structure 11 for emitting and monitoring test signals.
The adjusting and placing assembly 20 comprises a bottom plate 21 arranged at the top of the control structure 11, a first adjusting plate 22, a second adjusting plate 23, a third adjusting plate 24 and a placing plate 25 for placing an LCD, wherein the first adjusting plate 22, the second adjusting plate 23, the third adjusting plate 24 and the placing plate 25 are sequentially arranged at the center of the top of the bottom plate 21, a first pushing component 26 for pushing the first adjusting plate 22 to move along the length direction of the bottom plate 21, a second pushing component 27 and a third pushing component 28 for respectively pushing the second adjusting plate 23 and the third adjusting plate 24 to move along the width direction of the bottom plate are arranged on the bottom plate 21, and a limiting block 29 is further arranged on the bottom plate 21, and the limiting block 29 is arranged on one side, far away from the first pushing component 26, of the adjusting and placing assembly 20.
Two first axial limiting structures 211 are arranged on the bottom plate 21 along the length direction of the bottom plate 21, the first axial limiting structures 211 comprise a first sliding rail 212 fixedly connected to the bottom plate 21 and two first sliding parts 213 arranged on the first sliding rail 212 in a sliding mode, first sliding grooves matched with the first sliding parts 213 are formed in the bottom plate 21, and the tops of the first sliding parts 213 are flush with the tops of the bottom plate.
The first adjusting plate 22 is in threaded connection with the top of the first sliding part 213, two second axial limiting structures 221 are arranged on the first adjusting plate 22 along the width direction of the first adjusting plate 22, each second axial limiting structure 221 comprises a second sliding rail 222 fixedly connected with the first adjusting plate 22 and two second sliding parts 223 slidably arranged on the second sliding rail 222, the first adjusting plate 22 is provided with a second sliding groove matched with the second sliding parts 223, the top of the second sliding parts 223 is higher than the top of the first adjusting plate 22, and the bottom of the second sliding parts 223 is flush with the bottom of the first adjusting plate 22.
It will be appreciated that the first adjustment plate 22 screwed on top of the first sliding member 213 can be slid on the bottom plate 21 towards the stopper 29 by the first pushing member 26.
The top of the first adjusting plate 22 is provided with a second adjusting plate 23, the second adjusting plate 23 is in threaded connection with the top of the second sliding part 223, the bottom of the second adjusting plate 23 is provided with a groove matched with the second sliding part 223, and the depth of the groove is greater than or equal to the height of the second sliding part 223 higher than the top of the first adjusting plate 22.
It will be appreciated that the second regulation plate 23 screwed to the top of the second sliding member 223 can be moved in the bottom plate width direction on the first regulation plate 22 by the second pushing member 27.
A third adjusting plate 24 is arranged at the top of the second adjusting plate 23, four waist-shaped holes 241 are formed in the third adjusting plate 24, and the third adjusting plate 24 is in threaded connection with the second adjusting plate 23 through the waist-shaped holes 241.
It will be appreciated that the third adjusting plate 24 screwed to the top of the second adjusting plate 23 can be moved in the width direction of the bottom plate 21 on the second adjusting plate 23 by the third pushing member 28 through the clearance of the kidney-shaped hole 241.
The top of the third adjusting plate 24 is connected with a placing plate 25 in a threaded manner, a placing position 251 for placing the LCD is arranged on the placing plate 25, and a recess 252 and a piece taking groove 253 for taking and placing the LCD are respectively arranged on two sides of the placing plate 25.
Further, a first spring groove for installing the third elastic structure 214 is further formed in the bottom plate 21, two ends of the first spring groove are respectively connected in the first spring groove and the bottom of the first adjusting plate 22, a second spring groove for installing the fourth elastic structure 224 is formed in the first adjusting plate 22, two ends of the second spring groove are respectively connected in the second spring groove and the bottom of the second adjusting plate 23, a third spring groove for installing the fifth elastic structure 231 is formed in the second adjusting plate 23, and two ends of the third spring groove are respectively connected in the third spring groove and the bottom of the third adjusting plate 24.
It can be appreciated that the placement accuracy of the LCD is improved by setting the placement position 251, the LCD is conveniently placed by the worker by setting the recess 252 and the fetching groove 253, the LCD position placed in the placement position 251 can be adjusted in the forward direction by setting the first pushing member 26, the second pushing member 27 and the third pushing member 28, and the LCD position placed in the placement position 251 can be adjusted in the reverse direction by setting the third elastic structure 214, the fourth elastic structure 224 and the fifth elastic structure 231, so that the LCD position placed in the placement position 251 can be adjusted in the reverse direction by the contraction force of the third elastic structure 214, the fourth elastic structure 224 and the fifth elastic structure 231.
The three-dimensional adjusting assembly comprises a bracket 30 connected to two sides of the top of the bottom plate 21, a CCD component 40 for observing alignment marks of LCD and FPC and a three-dimensional adjusting component for adjusting the three-dimensional position of the CCD component 40 are arranged on the bracket 30, the CCD component 40 comprises a first CCD structure 41 and a second CCD structure 42, a first sliding structure 80, an FPC connecting plate 81 arranged on the first sliding structure 80 in a sliding manner, an FPC fixing plate 82 connected to the bottom of the FPC connecting plate 81 and a driving structure 100 for driving the FPC fixing plate 82 to slide up and down are arranged on the three-dimensional adjusting component, the FPC fixing plate 82 is arranged above the placing plate 25, an FPC groove 83 for adapting FPC is arranged at the bottom of the FPC fixing plate 82, and one side of the FPC groove 83, which faces the placing plate 25, is provided with a pressing strip 84 for connecting the FPC and the LCD.
It will be appreciated that by providing the FPC slot 83 so that an FPC adapted to an LCD may be installed in the FPC slot 83, by providing the driving structure 100, the FPC connection board 81 and the FPC fixing board 82 may be driven by the driving structure 100 to move downward, so that an FPC is connected to an LCD and the pressing bar 84 abuts against the placement board 25.
The three-dimensional adjusting component comprises an X-axis adjusting component 50 connected to the bracket 30 and used for adjusting the X-axis positions of the first CCD structure 41 and the second CCD structure 42, the X-axis adjusting component 50 comprises a support column 51 connected to the bracket 30, a second sliding structure 52 connected to the two support columns 51 and a back plate 53, the first sliding structure 80 is connected to the bottom of the back plate 53, the driving structure 100 is arranged on one side, far away from the second sliding structure 52, of the back plate 53, and a first fixing plate 54 and a second fixing plate 55 are arranged on the second sliding structure 52 in a sliding mode.
It will be appreciated that the first fixing plate 54 and the second fixing plate 55 are driven to slide on the second sliding structure 52 by the driving structure 100, so that the X-axis positions of the first CCD structure 41 and the second CCD structure 42 are adjusted.
The first fixing plate 54 and the second fixing plate 55 are both connected with a connecting plate 56, the connecting plate 56 is connected with a Z-axis adjusting part 60 for adjusting the Z-axis positions of the first CCD structure 41 and the second CCD structure 42, the Z-axis adjusting part 60 comprises a first push-pull structure connected with the connecting plate 56 towards one side of the backboard 53 and a top transverse plate 66 connected with the bottom of the first push-pull structure, the first push-pull structure comprises a first box body 61 connected with the connecting plate 56, a first push-pull block 62 and a first connecting rod 63 with one end connected with the first push-pull block 62, a first through hole for installing the first elastic structure 64 is formed in the first box body 61, the aperture of one end of the first through hole towards the first push-pull block 62 is between the first elastic structure 64 and the first connecting rod 63, the aperture of the other position of the first through hole is adapted to the first elastic structure 64, the other end of the first connecting rod 63 passes through the first through hole and is connected with the first transverse plate 66, the other end of the first connecting rod 63 passes through the first through hole and is connected with the first connecting rod 63 and is connected with the first threaded part of the first push-pull structure 65.
It may be appreciated that by rotating the first jack screw 65 in the forward direction, the first connecting rod 63, the first pushing blocks 62 connected to the two ends of the first connecting rod 63, and the top transverse plate 66 slide upward on the first box 61, so that the Z-axis positions of the first CCD structure 41 and the second CCD structure 42 are adjusted in the reverse direction, and by rotating the first jack screw 65 in the reverse direction, the tension of the first elastic structure 64 is provided, so that the first connecting rod 63, the first pushing blocks 62 connected to the two ends of the first connecting rod 63, and the top transverse plate 66 are driven to slide downward on the first box 61, so that the Z-axis positions of the first CCD structure 41 and the second CCD structure 42 are adjusted in the forward direction.
The bottom of the top diaphragm 66 is connected with a Y-axis adjusting component 70 for adjusting the Y-axis positions of the first CCD structure 41 and the second CCD structure 42, the Y-axis adjusting component 70 comprises a vertical plate 71 connected to the bottom of the top diaphragm 66, a bottom diaphragm 72 connected to the bottom of the vertical plate 71, and a second push-pull structure arranged on the bottom diaphragm 72, the second push-pull structure comprises a second box 73, a second push block 74 connected to the top of the bottom diaphragm 72 and far from one end of the vertical plate 71, a second connecting rod 75 with one end connected to the second push block 74, a second through hole for installing a second elastic structure 76 is formed in the second box 73, the aperture of the second through hole facing one end of the second push block 74 is between the second elastic structure 76 and the second connecting rod 75, the aperture of the other position of the second through hole is adapted to the second elastic structure 76, the other end of the second connecting rod 75 passes through the second through hole and is connected to the second push block 71, the second push rod 75 is sleeved on the second box 73 and the second connecting rod 75 is further connected to the second push-pull structure 41.
It will be appreciated that by rotating the second jack screw 77 in a forward direction, the second box 73 is pushed to move towards the riser 71 so that the Y-axis positions of the first and second CCD structures 41 and 42 are adjusted in a reverse direction, and by rotating the second jack screw 77 in a reverse direction, the second box 73 is pushed away from the riser 71 by the tension of the second elastic structure 76 so that the Y-axis positions of the first and second CCD structures 41 and 42 are adjusted in a forward direction.
It will be appreciated that by providing the X-axis adjustment member 50, the Z-axis adjustment member 60, and the Y-axis adjustment member 70, the three-dimensional positions of the first CCD structure 41 and the second CCD structure 42 can be adjusted, so that an operator can find the alignment of the LCD through the CCD member 40.
Further, a swinging connector 90 for installing a CCD display screen and a warning lamp is movably connected to the back plate 53, and the swinging connector 90 is separately disposed on two sides of the driving structure 100.
It will be appreciated that by placing the LCD on the placement site 251, mounting the LCD-adapted FPC in the FPC slot 83, adjusting the three-dimensional positions of the first and second CCD structures 41 and 42 by the X-axis adjusting part 50, the Z-axis adjusting part 60 and the Y-axis adjusting part 70, respectively, so that the alignment mark of the LCD and the FPC can be observed by the first and second CCD structures 41 and 42, adjusting the positions of the first, second and third adjusting plates 22, 23 and 24 by the first, second and third pushing parts 26, 27 and 28, respectively, so that the alignment mark of the LCD coincides with the alignment mark of the FPC, driving the connection plate 81 and the FPC fixing plate 82 by the driving structure 100, the FPC is connected with the LCD and the pressing strip 84 is abutted against the placing plate 25, the LCD is heated to 85 ℃ through the control structure 11, whether the test signal is normal or not is sent out and monitored through the PG signal processor 12, meanwhile, whether the LCD display picture is normal or not is observed through naked eyes, when the test signal or the LCD display picture is abnormal, the LCD is cooled to minus 30 ℃ through the control structure 11, whether the test signal is normal or not is sent out and monitored through the PG signal processor 12, meanwhile, whether the LCD display picture is normal or not is observed through naked eyes, so that the LCD does not need to be installed into a liquid crystal display module to be placed into a professional oven for LCD high and low temperature test, when the test signal or the LCD display picture is abnormal in the LCD high and low temperature test process, the FPC connecting plate 81 and the FPC fixing plate 82 can be driven to move upwards through the driving structure 100, after the FPC is disconnected with the LCD, the LCD with abnormality can be directly taken out for repair and put into another LCD for high and low temperature test of the LCD, so that the efficiency of the high and low temperature test of the LCD can be increased.
In summary, the LCD high and low temperature testing device in the embodiment of the utility model can perform high and low temperature testing by arranging the testing component, adjusting the placing component and the supporting frame structure, specifically, the LCD is arranged in the FPC groove by placing the LCD on the placing board, adjusting the position of the CCD component by the three-dimensional adjusting component, so that the CCD component can observe the alignment mark of the LCD and the FPC, adjusting the positions of the first adjusting board, the second adjusting board and the third adjusting board respectively by the first pushing component, the second pushing component and the third pushing component to enable the alignment mark of the LCD to coincide with the alignment mark of the FPC, driving the connecting board to drive the FPC fixing board to move downwards by the driving structure, so that the FPC is connected with the LCD and the pressing bar is abutted on the placing board, the LCD is heated to 85 ℃ by the control structure, whether the test signal is sent by the PG signal processor and is normal or not monitored, and the test signal or the LCD display picture is not normal or not observed by naked eyes, the control structure is cooled to 30 ℃ below the LCD by the control structure, and the LCD is not sent to the FPC through the control structure, and the LCD is directly connected with the FPC to the high temperature fixing board by the LCD after the LCD is detected by the control structure, and the high temperature signal is not observed, and the LCD is not normally tested by the LCD, and the LCD is directly connected with the high temperature adjusting the FPC through the FPC, and the high temperature monitoring signal is not normally or the LCD is not required to be connected with the FPC.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. An LCD high and low temperature testing apparatus, comprising:
a testing component;
the testing component comprises a control structure for controlling the driving structure and the LCD to heat or cool, and a PG signal processor connected to one side of the control structure for sending out and monitoring a testing signal;
adjusting the placement assembly;
The adjusting and placing assembly comprises a bottom plate arranged at the top of the control structure, a first adjusting plate, a second adjusting plate, a third adjusting plate and a placing plate for placing the LCD, wherein the first adjusting plate, the second adjusting plate, the third adjusting plate and the placing plate are sequentially arranged at the center of the top of the bottom plate;
A three-dimensional adjustment assembly;
The three-dimensional adjusting assembly comprises a support connected to two sides of the top of the bottom plate, a CCD component and a three-dimensional adjusting component used for adjusting the three-dimensional position of the CCD component are arranged on the support, a first sliding structure is arranged on the three-dimensional adjusting component, an FPC connecting plate arranged on the first sliding structure in a sliding mode, an FPC fixing plate connected to the bottom of the FPC connecting plate and a driving structure used for driving the FPC fixing plate to slide up and down are arranged on the three-dimensional adjusting component, the FPC fixing plate is arranged above the placing plate, an FPC groove used for adapting to an FPC is arranged at the bottom of the FPC fixing plate, one side of the FPC groove facing the placing plate is provided with a pressing strip used for connecting the FPC with the LCD, and the CCD component is used for observing alignment marks of the LCD and the FPC.
2. The LCD high-low temperature testing device according to claim 1, wherein a plurality of first axial limiting structures are arranged on the bottom plate along the length direction of the bottom plate, the first axial limiting structures comprise first sliding rails fixedly connected to the bottom plate and a plurality of first sliding parts slidingly arranged on the first sliding rails, a first sliding groove matched with the first sliding parts is formed in the bottom plate, and the top of the first sliding parts is level with the top of the bottom plate.
3. The LCD high-low temperature testing device according to claim 2, wherein the first adjusting plate is screwed on the top of the first sliding member, a plurality of second axial limiting structures are arranged on the first adjusting plate along the width direction of the first adjusting plate, each second axial limiting structure comprises a second sliding rail fixedly connected to the first adjusting plate and a plurality of second sliding members slidingly arranged on the second sliding rail, a second sliding groove adapted to the second sliding members is formed in the first adjusting plate, and the top of the second sliding member is higher than the top of the first adjusting plate, and the bottom of the second sliding member is flush with the bottom of the first adjusting plate.
4. The LCD high-low temperature test apparatus of claim 3, wherein a second adjusting plate is disposed at the top of the first adjusting plate, the second adjusting plate is screwed to the top of the second sliding member, a groove adapted to the second sliding member is disposed at the bottom of the second adjusting plate, and the depth of the groove is greater than or equal to the height of the second sliding member higher than the top of the first adjusting plate.
5. The device for testing the high temperature and the low temperature of the LCD according to claim 4, wherein a third adjusting plate is arranged at the top of the second adjusting plate, four waist-shaped holes are formed in the third adjusting plate, the third adjusting plate is connected to the second adjusting plate through the waist-shaped holes in a threaded mode, a placing plate is connected to the top of the third adjusting plate in a threaded mode, a placing position used for placing the LCD is arranged on the placing plate, and concave grooves and workpiece taking grooves used for taking and placing the LCD are respectively arranged on two sides of the placing plate.
6. The LCD high-low temperature test device according to claim 1, wherein the CCD part comprises a first CCD structure and a second CCD structure, the three-dimensional adjusting part comprises an X-axis adjusting part connected to the bracket for adjusting the X-axis positions of the first CCD structure and the second CCD structure, the X-axis adjusting part comprises a support connected to the bracket, a second sliding structure connected to the two support and a back plate, the first sliding structure is connected to the bottom of the back plate, the driving structure is arranged at one side of the back plate far away from the second sliding structure, swing connectors for installing a CCD display screen and a warning lamp are movably connected to the back plate, the swing connectors are respectively arranged at two sides of the driving structure, and a first fixing plate and a second fixing plate are slidably arranged on the second sliding structure.
7. The LCD high-low temperature test device according to claim 6, wherein the first fixing plate and the second fixing plate are connected with connecting plates, the connecting plates are connected with Z-axis adjusting components for adjusting the Z-axis positions of the first CCD structure and the second CCD structure, the Z-axis adjusting components comprise a first push-pull structure connected with the connecting plates towards one side of the back plate and a top cross plate connected with the bottom of the first push-pull structure, the first push-pull structure comprises a first box body connected with the connecting plates, a first push block and a first connecting rod with one end connected with the first push block, a first through hole for installing a first elastic structure is formed in the first box body, the aperture of the first through hole towards one end of the first push block is between the first elastic structure and the first connecting rod, the aperture of the other positions of the first through hole is adapted to the first elastic structure, the other end of the first connecting rod passes through the first through hole to be connected with the top cross plate, the first push-pull structure is connected with the top cross plate, and the first connecting rod is further sleeved with the first push-pull structure is screwed on the first push-pull part.
8. The LCD high-low temperature test device of claim 7, wherein the bottom of the top cross plate is connected with a Y-axis adjusting component for adjusting the Y-axis positions of the first CCD structure and the second CCD structure, the Y-axis adjusting component comprises a vertical plate connected to the bottom of the top cross plate, a bottom cross plate connected to the bottom of the vertical plate, and a second push-pull structure disposed on the bottom cross plate, the second push-pull structure comprises a second box body, a second push block connected to the top of the bottom cross plate and far from one end of the vertical plate, a second connecting rod with one end connected to the second push block, a second through hole for mounting the second elastic structure is provided in the second box body, the aperture of one end of the second through hole facing the second push block 74 is between the second elastic structure and the second connecting rod, the aperture of the other position of the second through hole is adapted to the second elastic structure, the other end of the second connecting rod passes through the second through hole and is connected to the vertical plate, and the second push-pull structure is further sleeved on the second CCD structure and the second box body.
9. The LCD high-low temperature test device according to claim 1, wherein the bottom plate is further provided with a first spring groove for installing a third elastic structure, two ends of the first spring groove are respectively connected with the bottom of the first spring groove and the bottom of the first adjusting plate, the first adjusting plate is provided with a second spring groove for installing a fourth elastic structure, two ends of the second spring groove are respectively connected with the bottom of the second adjusting plate and the bottom of the second spring groove, the second adjusting plate is provided with a third spring groove for installing a fifth elastic structure, and two ends of the third spring groove are respectively connected with the bottom of the third adjusting plate and the bottom of the third spring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421368819.9U CN222506700U (en) | 2024-06-14 | 2024-06-14 | LCD high-low temperature testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421368819.9U CN222506700U (en) | 2024-06-14 | 2024-06-14 | LCD high-low temperature testing device |
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| Publication Number | Publication Date |
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| CN222506700U true CN222506700U (en) | 2025-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421368819.9U Active CN222506700U (en) | 2024-06-14 | 2024-06-14 | LCD high-low temperature testing device |
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| Country | Link |
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| CN (1) | CN222506700U (en) |
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