CN215641655U - Liquid crystal display T-CON board functional test device - Google Patents
Liquid crystal display T-CON board functional test device Download PDFInfo
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- CN215641655U CN215641655U CN202121444403.7U CN202121444403U CN215641655U CN 215641655 U CN215641655 U CN 215641655U CN 202121444403 U CN202121444403 U CN 202121444403U CN 215641655 U CN215641655 U CN 215641655U
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Abstract
The utility model relates to the technical field of liquid crystal display screen T-CON plates, and discloses a liquid crystal display screen T-CON plate function testing device, which is characterized in that a liquid crystal display screen T-CON plate to be tested is placed on a floating plate, the accurate positioning of the T-CON plate is realized through a positioning block and a first positioning pin on the floating plate, then a driving cylinder is started, a pressing plate is moved to the upper part of the T-CON plate, a pressing cylinder is started to drive a pressing rod to move downwards to abut against the T-CON plate, the floating plate is pressed downwards through the pressing rod until a test probe on a probe plate passes through a through groove on the floating plate to abut against a test point on the T-CON plate, an electric connection function test is realized, whether the T-CON plate is qualified is detected, and a test result is output, so that the automatic function test of the liquid crystal display screen T-CON plate is realized, and the device has double stations, the test can be carried out in turn, the detection efficiency of the T-CON plate is greatly improved, and the test device is simple to operate, convenient and fast and high in practicability.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display screen T-CON plates, in particular to a function testing device for a liquid crystal display screen T-CON plate.
Background
The T-CON board is mainly used for a liquid crystal display television, is a key component of a liquid crystal display screen for displaying video image signals, has the same function as a video playing board in a CRT (cathode ray tube), and is used for controlling the time sequence of LVDS (low voltage differential signaling) digital signals sent by a main board on the logic board and converting the LVDS digital signals into row and column driving digital signals required by a glass substrate of the liquid crystal display screen so as to drive the liquid crystal display screen to display images.
In the manufacturing process of the T-CON plate of the liquid crystal display screen, the T-CON plate is generally required to pass a functional test, and can leave a factory after being detected to be qualified. However, most of the existing functional tests of the T-CON plates are performed manually, so that the efficiency is low, and the requirements of mass production cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a function test device for a T-CON plate of a liquid crystal display screen, and aims to solve the technical problems that the function test of the T-CON plate of the traditional liquid crystal display screen is performed by manual operation, the efficiency is low, and the requirement of mass production cannot be met.
In order to achieve the purpose, the function testing device for the T-CON plate of the liquid crystal display screen comprises a testing box body, a support, a first slide rail, a driving air cylinder, a pressure plate, a pressure rod, a probe plate, a testing probe, a floating plate, a positioning block and a first positioning pin, wherein the first slide rail is arranged on the upper end wall of the testing box body in parallel, the lower end part of the support is respectively connected with the first slide rail in a front-back sliding manner, the driving air cylinders are respectively arranged on two sides of the upper end wall of the testing box body, air cylinder rods of the driving air cylinders are respectively fixedly connected with the support, the pressure plate is respectively arranged on the front end part of the support in a vertical sliding manner and arranged along with the support in a front-back sliding manner, the pressure rod is vertically arranged on the lower end wall of the pressure plate in parallel, the probe plate is respectively detachably arranged on two sides of the upper end wall of the testing box body, the probe board is characterized in that a plurality of inserting holes are concavely formed in the upper end portion of the probe board, the test probes are vertically embedded in the inserting holes respectively, the floating board is arranged above the probe board in a vertically sliding mode respectively, a plurality of through grooves are concavely formed in the floating board respectively, the test probes are arranged in the through grooves in a vertically sliding mode respectively, the positioning blocks are arranged in an L-shaped structure respectively, the positioning blocks are arranged on two sides of the upper end wall of the rear end portion of the floating board respectively, the first positioning pins are convexly arranged on two sides of the upper end wall of the front end portion of the floating board respectively, first positioning holes in one-to-one correspondence with the first positioning pins are concavely arranged on two sides of the front end portion of the T-CON board, and the first positioning pins are embedded in the first positioning holes in a vertically sliding mode respectively.
The support is provided with a support, the support is provided with a pressing plate, the support is provided with a pressing cylinder, the pressing cylinder is arranged at the upper end of the support, a cylinder rod of the pressing cylinder is fixedly connected with the pressing plate, and the pressing plate is driven to slide up and down by the pressing cylinder.
The sliding block is arranged on the second sliding rail in a vertically sliding mode, and is fixedly connected with the rear end portion of the pressing plate.
The probe board is characterized by further comprising a guide shaft, a guide sleeve and a spring, wherein the guide sleeve is embedded in the probe board respectively, the upper end of the guide shaft is detachably fixed on the floating board through a screw, the lower end of the guide shaft is embedded in the guide sleeve in a sliding mode respectively, the spring is sleeved on the guide shaft respectively, and the upper end and the lower end of the spring are abutted to the lower end wall of the floating board and the upper end wall of the probe board respectively.
The probe board is characterized by further comprising second positioning pins, wherein the second positioning pins are respectively arranged on two sides of the lower end wall of the probe board, second positioning holes in one-to-one correspondence with the second positioning pins are respectively and concavely arranged on two sides of the upper end wall of the test box body, and the second positioning pins are respectively detachably embedded in the second positioning holes.
Furthermore, the test box further comprises hand screws, two sides of the probe board are respectively concavely provided with a U-shaped groove, and the hand screws respectively penetrate through the U-shaped grooves and are screwed on the upper end wall of the test box body.
The testing box body is characterized by further comprising a positioning block and a driving plate, wherein the positioning block is arranged at the front end and the rear end of the upper end wall of the testing box body respectively, the rear end of the driving plate is fixedly connected with the support respectively, the front end of the driving plate is fixedly connected with a cylinder rod of the driving cylinder respectively, and the driving plate can be abutted to the positioning block respectively.
Furthermore, two side walls of the test box body are respectively provided with a handle groove in a concave mode.
By adopting the technical scheme of the utility model, the utility model has the following beneficial effects: the technical scheme of the utility model is that a liquid crystal display screen T-CON plate to be detected is placed on a floating plate, the precise positioning of the T-CON plate is realized through a positioning block and a first positioning pin on the floating plate, then a driving cylinder is started, a pressing plate is moved to the upper part of the T-CON plate, a pressing cylinder is started to drive a pressing rod to move downwards to abut against the T-CON plate, the floating plate is pressed downwards through the pressing rod until a test probe on the probe plate passes through a through groove on the floating plate to abut against a test point on the T-CON plate, the electric connection function test is realized, whether the T-CON plate is qualified is detected, and a test result is output, so that the automatic function test of the liquid crystal display screen T-CON plate is realized, and the liquid crystal display screen T-CON plate has double stations, can be tested in turn, the detection efficiency of the T-CON plate is greatly improved, the operation is simple, convenient and rapid, the practicability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of an overall structure of a functional testing apparatus for a T-CON board of a liquid crystal display panel according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating another overall structure of a T-CON board function testing device for a liquid crystal display panel according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a T-CON board testing status of the device for testing T-CON board functions of a liquid crystal display panel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a partial structure of a function testing apparatus for a T-CON board of a liquid crystal display panel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a partially exploded structure of a function testing apparatus for a T-CON board of a liquid crystal display panel according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a T-CON board of a device for testing the functionality of a T-CON board of a liquid crystal display according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a function testing device for a T-CON plate of a liquid crystal display screen.
As shown in fig. 1 to 6, in an embodiment of the present invention, the device for testing functions of a T-CON board of a liquid crystal display screen includes a testing box 101, a bracket 102, a first slide rail 103, a driving cylinder 104, a pressing board 105, a pressing rod 106, a probe board 107, a testing probe 108, a floating board 109, a positioning block 110 and a first positioning pin 111, wherein the first slide rail 103 is disposed on an upper end wall of the testing box 101 in parallel, lower ends of the bracket 102 are slidably connected with the first slide rail 103 in a front-back direction, the driving cylinders 104 are disposed on two sides of the upper end wall of the testing box 101, cylinder rods of the driving cylinders 104 are fixedly connected with the bracket 102, the pressing boards 105 are slidably disposed on front ends of the bracket 102 in a top-bottom direction and are slidably disposed with the bracket 102 in a front-back direction, the pressing rod 106 is disposed on a lower end wall of the pressing board 105 in a vertical parallel, the probe boards 107 are respectively detachably arranged at two sides of the upper end wall of the test box 101, a plurality of insertion holes (not shown) are concavely arranged at the upper end part of the probe board 107, the test probes 108 are respectively vertically embedded in the insertion holes, the floating boards 109 are respectively arranged above the probe board 107 in a vertically sliding manner, a plurality of through grooves 1091 are concavely arranged on the floating boards 109, the test probes 108 are respectively arranged in the through grooves 1091 in a vertically sliding manner, the positioning blocks 110 are arranged in an L-shaped structure, the positioning blocks 110 are respectively arranged at two sides of the upper end wall at the rear end part of the floating boards 109, the first positioning pins 111 are respectively convexly arranged at two sides of the upper end wall at the front end part of the floating boards 109, the two sides of the front end part of the T-CON board 200 are concavely provided with first positioning holes 201 corresponding to the first positioning pins 111 one by one, the first positioning pins 111 are respectively embedded in the first positioning holes 201 in a vertically sliding manner.
Specifically, the device further comprises a pressing cylinder 112, the pressing cylinders 112 are respectively arranged at the upper end portions of the brackets 102, cylinder rods of the pressing cylinders 112 are respectively fixedly connected with the pressing plate 105, and the pressing plate 105 is driven to slide up and down through the pressing cylinders 112.
Specifically, the device further comprises a second slide rail 113 and a slide block 114, wherein the second slide rail 113 is vertically arranged on the front end wall of the bracket 102, the slide block 114 is arranged on the second slide rail 113 in a vertically slidable manner, and the slide block 114 is fixedly connected with the rear end portion of the pressing plate 105.
Specifically, the probe card assembly further comprises a guide shaft 115, a guide sleeve 116 and a spring (not shown), wherein the guide sleeve 116 is respectively embedded on the probe card 107, the upper end of the guide shaft 115 is detachably fixed on the floating plate 109 through a screw, the lower end of the guide shaft 115 is respectively embedded in the guide sleeve 116 in a sliding manner, the spring is respectively sleeved on the guide shaft 115, and the upper end and the lower end of the spring are respectively abutted against the lower end wall of the floating plate 109 and the upper end wall of the probe card 107.
Specifically, the test device further includes second positioning pins 117, the second positioning pins 117 are respectively disposed on two sides of the lower end wall of the probe card 107, second positioning holes (not shown) corresponding to the second positioning pins 117 in a one-to-one manner are respectively recessed on two sides of the upper end wall of the test box 101, and the second positioning pins 117 are respectively detachably embedded in the second positioning holes.
Specifically, the test device further comprises hand screws 118, two sides of the probe board 107 are respectively provided with a U-shaped groove 1071 in a concave manner, and the hand screws 118 are respectively arranged in the U-shaped grooves 1071 in a penetrating manner and screwed on the upper end wall of the test box 101.
Specifically, the testing device further comprises a positioning block 119 and a driving plate 120, wherein the positioning block 119 is respectively arranged at the front end and the rear end of the upper end wall of the testing box 101, the rear end of the driving plate 120 is respectively fixedly connected with the bracket 102, the front end of the driving plate 120 is respectively fixedly connected with the cylinder rod of the driving cylinder 104, and the driving plate 120 can be respectively abutted against the positioning block 119.
Specifically, a handle groove 1011 is respectively concavely formed on two side walls of the testing box 101.
Specifically, the utility model puts the liquid crystal display screen T-CON plate to be detected on the floating plate, and realizes the accurate positioning of the T-CON plate through the positioning block and the first positioning pin on the floating plate, then the driving cylinder is started, the pressure plate is moved to the upper part of the T-CON plate, the pressing cylinder is started to drive the pressure rod to move downwards to abut against the T-CON plate, the floating plate is pressed down by the pressure lever until the test probe on the probe plate passes through the through groove on the floating plate and is abutted against the test point on the T-CON plate, the electric connection function test is realized, whether the T-CON plate is qualified or not is detected, and the test result is output, thereby realizing the automatic function test of the liquid crystal display screen T-CON plate and having double stations, the test can be carried out in turn, the detection efficiency of the T-CON plate is greatly improved, and the test device is simple to operate, convenient and fast and high in practicability.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A function testing device for a T-CON plate of a liquid crystal display screen is characterized by comprising a testing box body, a support, a first slide rail, a driving air cylinder, a pressing plate, a pressing rod, a probe plate, a testing probe, a floating plate, a positioning block and a first positioning pin, wherein the first slide rail is arranged on the upper end wall of the testing box body in parallel, the lower end part of the support is respectively connected with the first slide rail in a front-back sliding manner, the driving air cylinders are respectively arranged on two sides of the upper end wall of the testing box body, air cylinder rods of the driving air cylinders are respectively fixedly connected with the support, the pressing plate is respectively arranged on the front end part of the support in a vertical sliding manner and arranged along with the support in a front-back sliding manner, the pressing rod is vertically arranged on the lower end wall of the pressing plate in parallel, and the probe plates are respectively detachably arranged on two sides of the upper end wall of the testing box body, the probe board is characterized in that a plurality of inserting holes are concavely formed in the upper end portion of the probe board, the test probes are vertically embedded in the inserting holes respectively, the floating board is arranged above the probe board in a vertically sliding mode respectively, a plurality of through grooves are concavely formed in the floating board respectively, the test probes are arranged in the through grooves in a vertically sliding mode respectively, the positioning blocks are arranged in an L-shaped structure respectively, the positioning blocks are arranged on two sides of the upper end wall of the rear end portion of the floating board respectively, the first positioning pins are convexly arranged on two sides of the upper end wall of the front end portion of the floating board respectively, first positioning holes in one-to-one correspondence with the first positioning pins are concavely arranged on two sides of the front end portion of the T-CON board, and the first positioning pins are embedded in the first positioning holes in a vertically sliding mode respectively.
2. The device for testing the function of the T-CON board of the liquid crystal display screen as claimed in claim 1, further comprising a plurality of down-pressure cylinders, wherein the down-pressure cylinders are respectively disposed at the upper end portions of the brackets, the cylinder rods of the down-pressure cylinders are respectively fixedly connected with the pressing boards, and the pressing boards are driven to slide up and down by the down-pressure cylinders.
3. The device for testing the function of the liquid crystal display screen T-CON plate as claimed in claim 2, further comprising a second slide rail and a slide block, wherein the second slide rail is vertically arranged on the front end wall of the bracket, the slide block is arranged on the second slide rail in a vertically slidable manner, and the slide block is fixedly connected with the rear end portion of the pressing plate.
4. The device for testing the functions of the T-CON board of the liquid crystal display screen as claimed in claim 1, further comprising a guide shaft, a guide sleeve and a spring, wherein the guide sleeve is respectively embedded in the probe board, the upper end of the guide shaft is detachably fixed on the floating board by a screw, the lower end of the guide shaft is respectively embedded in the guide sleeve in a sliding manner, the spring is respectively sleeved on the guide shaft, and the upper end and the lower end of the spring are respectively abutted against the lower end wall of the floating board and the upper end wall of the probe board.
5. The device for testing the functions of the T-CON board of the LCD screen as claimed in claim 1, further comprising second positioning pins respectively disposed at two sides of the lower end wall of the probe card, wherein two sides of the upper end wall of the testing box are respectively recessed with second positioning holes corresponding to the second positioning pins one by one, and the second positioning pins are detachably inserted into the second positioning holes.
6. The device for testing the functions of the T-CON board of the LCD screen as claimed in claim 1, further comprising hand screws, wherein a U-shaped groove is formed on each of two sides of the probe board, and the hand screws are respectively inserted into the U-shaped grooves and screwed on the upper end wall of the testing box.
7. The device for testing the functions of the T-CON board of the liquid crystal display screen as claimed in claim 1, further comprising a positioning block and a driving board, wherein the positioning block is respectively disposed at the front end and the rear end of the upper end wall of the testing box, the rear end of the driving board is respectively fixedly connected to the bracket, the front end of the driving board is respectively fixedly connected to the cylinder rod of the driving cylinder, and the driving board is respectively disposed in abutment with the positioning block.
8. The apparatus of claim 1, wherein a handle groove is formed on each of two sidewalls of the testing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121444403.7U CN215641655U (en) | 2021-06-28 | 2021-06-28 | Liquid crystal display T-CON board functional test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121444403.7U CN215641655U (en) | 2021-06-28 | 2021-06-28 | Liquid crystal display T-CON board functional test device |
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| Publication Number | Publication Date |
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| CN215641655U true CN215641655U (en) | 2022-01-25 |
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| CN202121444403.7U Active CN215641655U (en) | 2021-06-28 | 2021-06-28 | Liquid crystal display T-CON board functional test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220137096A1 (en) * | 2020-11-05 | 2022-05-05 | Beijing Boe Chatani Electronics Co., Ltd. | Fixture |
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2021
- 2021-06-28 CN CN202121444403.7U patent/CN215641655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220137096A1 (en) * | 2020-11-05 | 2022-05-05 | Beijing Boe Chatani Electronics Co., Ltd. | Fixture |
| US11885831B2 (en) * | 2020-11-05 | 2024-01-30 | Beijing BOE Chatani Electro Co., Ltd. | Fixture |
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