CN216051826U - Automatic test fixture of display panel - Google Patents
Automatic test fixture of display panel Download PDFInfo
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- CN216051826U CN216051826U CN202121762421.XU CN202121762421U CN216051826U CN 216051826 U CN216051826 U CN 216051826U CN 202121762421 U CN202121762421 U CN 202121762421U CN 216051826 U CN216051826 U CN 216051826U
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Abstract
The utility model discloses an automatic test tool for a display panel, which comprises: a body including a first frame; the testing jig is arranged on the machine body; an image detection section for acquiring an image of a content displayed on a display screen of a display panel; a central processing unit which issues a test instruction to the test fixture and is connected with the image detection part; the mounting seat is positioned above the test fixture, and the image detection part is arranged on the mounting seat; the X-direction movement module is arranged on the first frame body, and the mounting seat is mounted on the X-direction movement module; the Y-direction movement module is arranged on the X-direction movement module; and the Z-direction movement module is connected with the central processing unit and is used for providing Z-direction movement for the first frame body. Through the automatic testing tool, the image detection part is movable, the display content of the display panel can be reliably acquired, the automatic testing of the display panel is accurately realized, the manual participation is avoided, and the testing efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of display panel testing, in particular to an automatic test tool for a display panel.
Background
At present, with the development of science and technology, various household devices and office devices are provided with display panels (also called display bars, display screens and the like) for displaying various parameters of the device state. For example, an air conditioner is provided with a display panel on which various parameters such as an air conditioner switch, a cooling icon, a heating icon, a dehumidification icon, and a defrosting icon are displayed. Further, a display panel is provided in the washing machine, the water heater, the vehicle meter, and the like.
Conventionally, when the display panel needs to be detected, the detection is generally carried out manually, the detection speed is slow, and automatic batch testing is difficult to realize.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide an automatic test tool for a display panel, wherein an image detection part can move, reliably acquire the display content of the display panel, accurately realize the automatic test of the display panel, avoid manual participation and improve the test efficiency.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides an automatic test fixture of display panel which characterized in that includes:
a body including a first frame;
the testing jig is arranged on the machine body and used for testing the display panel to be tested;
an image detection section for acquiring an image of a content displayed on a display screen of the display panel;
a central processing unit which issues a test instruction to the test fixture and is connected with the image detection part;
the mounting seat is positioned above the test fixture, and the image detection part is arranged on the mounting seat;
the X-direction movement module is arranged on the first frame body and connected with the central processing unit, and the mounting seat is mounted on the X-direction movement module;
the Y-direction movement module is connected with the central processing unit, and the X-direction movement module is installed on the Y-direction movement module;
and the Z-direction movement module is connected with the central processing unit and is used for providing Z-direction movement for the first frame body.
In some embodiments of the present application, the test fixture has at least one working slot, each display panel being positioned within a corresponding working slot;
and the working groove is internally provided with a test probe which is used for being correspondingly connected with the test point on the display panel.
In some embodiments of the present application, the display panel automatic test tool further includes a stitching motion assembly for stitching the display panel, the stitching motion assembly includes:
pressing a plate;
a driving assembly for driving the pressing plate to be movable in a length direction or a width direction of the display panel;
the driving part is connected with the central processing unit and is used for providing driving force for the transmission assembly;
a pressing mechanism connected with the central processing unit for providing a pressing force to the pressing plate.
In some embodiments of the present application, the display panel automation test fixture further includes:
and the rotating module is connected with the central processing unit and arranged on the mounting seat, and the rotating module is matched with the rotating switch on the display panel in a profiling mode.
In some embodiments herein, the rotation module comprises:
a drive motor connected with the central processing unit;
and the main body part is connected with an output shaft of the driving motor, and the bottom of the main body part is in contour fit with the top of the rotary switch.
In some embodiments of the present application, the display panel automation test fixture further includes:
and the shielding door is used for taking and placing the test fixture when being opened.
In some embodiments of the present application, the display panel automation test fixture further includes:
and the scanning device is used for scanning and acquiring the information of the display panel.
In some embodiments of the present application, a tricolor indicator lamp is disposed on the top of the body.
In some embodiments of the present application, the bottom of the body is provided with a fulcrum and/or a roller.
The application relates to an automatic test fixture of display panel has following advantage and beneficial effect:
(1) the display panel can be carried by the test fixture, and a test instruction is issued to the test fixture by the central processing unit, so that the automatic test of the display panel is realized;
(2) through X to motion module, Y to motion module and Z to the motion module, realize the triaxial motion of image detection portion, cover bigger test area, and realize the position adjustment of image detection portion, ensure can accurately obtain the image of the content that shows on the display screen in the test, the analysis of being convenient for helps improving display panel test quality.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a block diagram of an embodiment of an automated test fixture for a display panel according to the present invention;
fig. 2 is a partial perspective view of an embodiment of an automated test tool for a display panel according to the present invention.
Reference numerals:
100-body; 110-upper body; 111-an upper frame; 112-upper machine cover; 120-an intermediate platform; 130-lower body; 131-an operating door; 132-lower hood; 140-three color indicator light; 150-a display screen;
200-testing the fixture;
a 300-X direction motion module;
a 400-Y direction movement module;
a 500-Z direction movement module;
600-pressing the moving component;
700-a mounting seat;
800-rotating the module;
900-support foot.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In order to realize the automatic test of display panel for household electrical appliances (for example, air conditioner, washing machine, water heater, etc.), reduce artifical test task volume, and can guarantee test quality simultaneously, the application relates to a display panel automatic test frock.
Referring to fig. 1 and 2, the automatic test tool for a display panel includes a body 100, a test fixture 200, an image detection part (not shown), a central processing unit (not shown), a mounting base 700, an X-direction movement module 300, a Y-direction movement module 400, and a Z-direction movement module 500.
Referring to fig. 1, the machine body 100 forms the whole framework of the test fixture, and may be configured as a cabinet-type structure, and the bottom of the machine body may be provided with support legs 900 and/or rollers for easy fixing and carrying.
The machine body 100 includes an upper machine body 110, a middle platform 120 and a lower machine body 130, wherein the upper machine body 110, the middle platform 120 and the lower machine body 130 are sequentially arranged above and below.
The upper body 110 includes an upper frame 111, an upper cover 112, and a shield door (not shown), and the upper cover 112 and the shield door form an external appearance of the upper frame 111.
The upper frame 111 includes a first frame (not labeled) located at the top and a second frame (not labeled) located below the first frame, the X-direction movement module 300 and the Y-direction movement module 400 are disposed on the first frame, and the X-direction movement module 300 is mounted on the Y-direction movement module 400.
The Z-direction motion module 500 can provide Z-direction motion to the first frame relative to the second frame.
The test fixture 200 is located in the second frame.
The shield door can be set up to the shield door of liftable, and can get when the shield door is opened and put test fixture 200.
The test fixture 200 has at least one working slot (not shown), a display panel can be placed corresponding to one working slot, and the structure of the test fixture 200 is adapted according to the structure of the display panel.
The working tank is provided with a test probe (not shown) therein, and when the display panel is placed in the working tank, the test probe is connected to a test point of the display panel.
In the present application, the test fixture 200 is provided with two parallel working grooves in the front-back direction (i.e., Y direction) of the test fixture 200, which can simultaneously test two display panels, thereby improving the efficiency of testing the display panels.
The middle platform 120 is located in the middle of the machine body 100, and the middle platform 120 is provided with an operation button and/or a keyboard, which is convenient for a person to operate.
Below the intermediate platform 120 is a lower body 130.
The lower body 130 includes a lower frame (not shown), a lower hood 132, and an operation door 131, and the lower hood 132 and the operation door 131 form an external appearance of the lower frame.
The lower frame body accommodates an electric structure of the automatic test tool of the display panel and the like.
The operation door 131 is a door body that can be opened and closed by being rotated relative to each other, and by opening the operation door 131, the operation door can enter the lower housing to perform an operation such as maintenance of an electric structure or the like.
A display device, which may form a central processing unit with a host provided in the lower frame, is suspended outside the body 100, and is a display screen 150.
The central processing unit is used for issuing a test instruction to the test fixture 200 and displaying a test result, an image acquired by the image detection unit, or the like on the display device.
The image detection part may be a CCD camera for acquiring an image of the content displayed on the display screen 150 and transmitting to the central processing unit.
The central processing unit refers to the acquired image and the reference image, and determines whether the content displayed on the display screen 150 is correct, if so, it indicates that the currently tested display function is intact, and if not, it indicates that the currently tested display function is damaged.
In order to realize accurate photographing of the display panel 150 by the image sensing part, the present application provides a mounting seat 700, an X-direction movement module 300, a Y-direction movement module 400, and a Z-direction movement module 500 for realizing X-direction movement, Y-direction movement, and Z-direction movement of the image sensing part.
The image detection part is provided on the mount 700 and moves simultaneously with the mount 700.
The mount 700 is mounted on the X-direction movement module 300, and the X-direction movement module 300 performs synchronous X-direction movement on the mount 700 and the image detection unit.
As described above, the X-direction movement module 300 and the Y-direction movement module 400 are both disposed on the first frame, and the X-direction movement module 300 is mounted on the Y-direction movement module 400, thereby realizing the synchronous Y-direction movement of the Y-direction movement module 400 to the X-direction movement module 300, the mounting base 700, and the image detection unit.
The Z-direction movement module 500 is used for providing Z-direction movement to the first frame body, and the Z-direction movement module 500 provides synchronous Z-direction movement to the X-direction movement module 300, the Y-direction movement module 400, the mounting base 700 and the image detection part.
Thus, the image detection unit and the display panel can be accurately positioned by the X-direction movement module 300, the Y-direction movement module 400 and the Z-direction movement module 500.
The X-direction motion module 300 and the Y-direction motion module 400 can adopt a gear transmission structure and are respectively driven by the X-direction motor and the Y-direction motor, when the display effect of the display panel needs to be tested, the motors work through instructions issued by the central control unit, the X-direction motion module 300 and the Y-direction motion module 400 drive the image detection part to move on an XY plane, and the image detection part can be ensured to accurately move right above the display screen of the display panel.
The Z-direction movement module 500 may adopt the existing structure of a belt pulley assembly and a rack and pinion assembly, and is driven by a Z-direction motor, and drives the Z-direction position adjustment of the image detection portion by controlling the Z-direction motor after the image detection portion moves in place on the XY plane.
For example, the Z-direction movement module 500 includes a belt pulley, a belt wound on the belt pulley, a gear rotating synchronously with the belt pulley, and a rack engaged with the gear, wherein the rack may be connected to the first frame or the rack is a rack disposed on the first frame, and the length direction of the rack is along the Z-direction, so that when the belt pulley is driven to rotate by the Z-direction motor, the rack is driven to rotate synchronously, thereby moving in the Z-direction.
X can all adopt accurate step motor to motor, Y to motor and Z to the motor, and this accurate step motor realizes the transmission through the belt link of tooth, and its characteristics lie in that the transmission is steady, difficult skidding, and the precision is high.
The distances that the X-direction movement module 300, the Y-direction movement module 400, and the Z-direction movement module 500 drive the image detection unit to move in the X-direction, the Y-direction, and the Z-direction can be controlled according to a command program.
The image detection part adopts wide-angle shooting, the coverage range is wider, and the image detection part after the position is adjusted can more accurately acquire the image of the content displayed by the display screen, thereby being beneficial to testing the display effect of the display screen.
In this application, a pressing motion assembly 600 is further provided for reliably fixing the display panel.
The pressing motion assembly 600 is used for pressing the display panel after the display panel is placed in the working groove of the test fixture 200.
The stitching motion assembly 600 includes a platen (not shown), a transmission assembly (not shown), a drive section (not shown), and a pressing mechanism (not shown).
The driving assembly receives driving force output by the driving part and transmits the driving force to the pressing plate, and the driving pressing plate can move along the length (namely, X direction) or the width (namely, Y direction) of the display panel.
The drive division is driving motor, places when test fixture 200 targets in place at the display panel, and motor work drives the clamp plate motion through drive assembly, and when moving directly over the display panel, the work of pushing down the mechanism pushes down the clamp plate to the display panel along Z on.
The distance of the upper pressure plate moving in the X direction or the Y direction and the pressing distance in the Z direction can be realized according to the control of the instruction program.
In this application, the mechanism pushes down is the cylinder, and its cylinder pole realizes that clamp plate Z pushes down in Z is flexible.
For example, the transmission assembly is a chain wheel and chain assembly, and the pressing plate is arranged on the chain through an elastic assembly.
When the driving motor works, the transmission assembly drives the pressing plate to move along the rotation direction of the chain, when the pressing plate is positioned right above the display plate, the air cylinder works, the air cylinder rod extends out and presses the pressing plate downwards to the display plate along the Z direction and keeps the pressing plate.
When the display panel test is completed or the pressing plate is required to move, the air cylinder rod retracts, and the pressing plate is reset under the action of the elastic component so as to be separated from the display panel.
The display panel is generally provided with a knob switch, and the test efficiency is low because the display panel is manually rotated and pressed one by one.
In order to facilitate testing of the knob switch, in the present application, referring to fig. 2, a rotation module 800 is provided, and manual rotation is simulated by pressing down first and then rotating, so that testing efficiency is improved.
In the present application, two parallel rotary modules are provided, corresponding to two rotary switches.
The rotation module 800 is disposed on the mounting base 700, similar to the image detection portion, and presses down the rotation switch of the display panel through the X-direction movement module 300, the Y-direction movement module 400, and the Z-direction movement module 500, and drives the rotation switch to operate by controlling the rotation module 800 to rotate, so as to perform the rotation test of the rotation switch.
When the switch on the display panel needs to be tested, the rotating module 800 is positioned in place according to an instruction, and the rotating module 800 is controlled to rotate, so that the rotating switch is rotated, and manual rotation is replaced.
The structure of one rotation module 800 is explained as follows.
In the present application, the rotation module 800 includes a driving motor and a main body portion.
The driving motor is connected with the central processing unit and receives the transmitted instruction.
The main body part is connected with an output shaft of the driving motor and rotates along with the work of the driving motor, and the bottom of the main body part is in profile matching with the top of the rotary switch.
The body portion may be designed as follows.
The bottom of the main body part is hollow, and the shape of the inner side wall of the main body part is similar to the appearance shape of the rotating position of the top of the rotary switch, so that when the bottom of the main body part is buckled at the rotating position of the top of the rotary switch, the rotary switch can be driven to rotate.
During testing, the driving motor drives the main body part to rotate, the main body part drives the rotary switch to rotate, the central processing unit receives feedback values of different rotating positions, the feedback values are compared with reference values, and whether the rotary switch is normal or not is confirmed.
Through the automatic test fixture of this application display panel, can automize and realize carrying out the functional test to display effect, the rotary switch of display panel, reduce artifical task volume, improve efficiency of software testing.
A tricolor indicator lamp 140 is further provided at the top of the body 100 to prompt the device to alarm during the test, whether the test is being performed, etc.
A scanning device (not shown) may also be disposed on the machine body 100 for obtaining information (such as a product number) of the display panel to be tested, so as to facilitate product quality tracking.
The two-dimensional code or the bar code with information stored is pasted on the display board, the two-dimensional code or the bar code is scanned through a code scanning gun for example to obtain the product number, and the product number is recorded and stored.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. The utility model provides an automatic test fixture of display panel which characterized in that includes:
a body including a first frame;
the testing jig is arranged on the machine body and used for testing the display panel to be tested;
an image detection section for acquiring an image of a content displayed on a display screen of the display panel;
a central processing unit which issues a test instruction to the test fixture and is connected with the image detection part;
the mounting seat is positioned above the test fixture, and the image detection part is arranged on the mounting seat;
the X-direction movement module is arranged on the first frame body and connected with the central processing unit, and the mounting seat is mounted on the X-direction movement module;
the Y-direction movement module is connected with the central processing unit, and the X-direction movement module is installed on the Y-direction movement module;
and the Z-direction movement module is connected with the central processing unit and is used for providing Z-direction movement for the first frame body.
2. The display panel automated test tool of claim 1,
the test fixture is provided with at least one working groove, and each display panel is positioned in the corresponding working groove;
and the working groove is internally provided with a test probe which is used for being correspondingly connected with the test point on the display panel.
3. The automatic test fixture for display panels according to claim 1 or 2, further comprising a stitching motion assembly for stitching the display panels, the stitching motion assembly comprising:
pressing a plate;
a driving assembly for driving the pressing plate to be movable in a length direction or a width direction of the display panel;
the driving part is connected with the central processing unit and is used for providing driving force for the transmission assembly;
a pressing mechanism connected with the central processing unit for providing a pressing force to the pressing plate.
4. The automated display panel testing tool of claim 1, further comprising:
and the rotating module is connected with the central processing unit and arranged on the mounting seat, and the rotating module is matched with the rotating switch on the display panel in a profiling mode.
5. The automated display panel testing tool of claim 4, wherein the rotation module comprises:
a drive motor connected with the central processing unit;
and the main body part is connected with an output shaft of the driving motor, and the bottom of the main body part is in contour fit with the top of the rotary switch.
6. The automated display panel testing tool of claim 1, further comprising:
and the shielding door is used for taking and placing the test fixture when being opened.
7. The automated display panel testing tool of claim 1, further comprising:
and the scanning device is used for scanning and acquiring the information of the display panel.
8. The automated test assembly for display panels according to claim 1, wherein a tricolor indicator lamp is disposed on the top of the machine body.
9. The automatic test fixture for display panels according to claim 1, wherein a supporting corner and/or a roller is arranged at the bottom of the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762421.XU CN216051826U (en) | 2021-07-30 | 2021-07-30 | Automatic test fixture of display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762421.XU CN216051826U (en) | 2021-07-30 | 2021-07-30 | Automatic test fixture of display panel |
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| CN216051826U true CN216051826U (en) | 2022-03-15 |
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| CN202121762421.XU Active CN216051826U (en) | 2021-07-30 | 2021-07-30 | Automatic test fixture of display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354142A (en) * | 2022-03-21 | 2022-04-15 | 苏州威达智电子科技有限公司 | Automatic brightness testing device of micro display screen and testing system and process thereof |
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2021
- 2021-07-30 CN CN202121762421.XU patent/CN216051826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354142A (en) * | 2022-03-21 | 2022-04-15 | 苏州威达智电子科技有限公司 | Automatic brightness testing device of micro display screen and testing system and process thereof |
| CN114354142B (en) * | 2022-03-21 | 2022-07-29 | 苏州威达智电子科技有限公司 | Automatic brightness testing device of micro display screen and testing system and process thereof |
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Address after: 266101 Haier Information Park, high tech Industrial Park, Laoshan District, Qingdao City, Shandong Province Patentee after: CAOS Chuangzhi IOT Technology Co.,Ltd. Patentee after: Foshan Shunde Haier Intelligent Electronic Co.,Ltd. Address before: 266101 Haier Information Park, high tech Industrial Park, Laoshan District, Qingdao City, Shandong Province Patentee before: CAOS Chuangzhi IOT Technology Co.,Ltd. Patentee before: FOSHAN SHUNDE HAIER INTELLIGENT ELECTRONIC CO.,LTD. |
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