CN212341339U - Automatic click test equipment - Google Patents
Automatic click test equipment Download PDFInfo
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- CN212341339U CN212341339U CN202020802072.9U CN202020802072U CN212341339U CN 212341339 U CN212341339 U CN 212341339U CN 202020802072 U CN202020802072 U CN 202020802072U CN 212341339 U CN212341339 U CN 212341339U
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Abstract
The utility model discloses an automatic press test equipment, which comprises a test base, a test fixture for placing a display panel to be tested and a press mechanism, wherein the test fixture is arranged on the test base, and a cavity matched with the display panel is arranged on the test fixture; the point pressing mechanism is arranged on the base and comprises a mounting plate, a driving assembly arranged on the mounting plate and a pressing plate connected with an output execution end of the driving assembly, and the pressing plate can be driven by the driving assembly to press down a function key on the display panel to be tested. The embodiment of the utility model provides a remove towards test fixture through drive assembly drive clamp plate to realize pressing when a plurality of function buttons on the display panel that awaits measuring, and accomplish pressing of regulation number of times in the regulation time, after pressing the completion, its current-voltage change of rethread external digital multimeter detection, whether in order to supply the staff to judge the display panel according to this change normally.
Description
Technical Field
The utility model relates to a display panel test field, in particular to automatic point presses test equipment.
Background
The display panel is a board formed by connecting a plurality of small LED lamp beads on a PCB in series, and comprises the PCB, and functional keys and LED lamps arranged on the PCB, and various contents such as characters, numbers, images, videos and the like can be displayed on the power-on and control card.
Before the display panel is used, the performance of the display panel needs to be correspondingly tested so as to ensure the normal use of the display panel. For the performance test of the display panel, all the function keys need to be pressed simultaneously within a preset time, and after the preset times of pressing, the output voltage of the display panel is detected, so as to judge whether the performance of the display panel is normal or not according to the output voltage before pressing and the output voltage after pressing. For example, after four keys on the display panel are pressed twenty times in one minute, whether the output voltage value changes is detected.
At present, no equipment for performing click test on a display panel exists, and therefore, it is urgently needed to develop a test equipment which can realize simultaneous click of a plurality of keys and complete click operation for a specified number of times within a preset time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an automatic point and presses test equipment, aims at solving still not to exist on the existing market and can realize the test equipment's that the point was pressed simultaneously to a plurality of buttons technical problem.
In order to achieve the above object, the present invention provides an automatic click test device, which comprises a test base, a test fixture for placing a display panel to be tested, and a click mechanism capable of moving up and down relative to the test fixture, wherein the test fixture is arranged on the test base, and the test fixture is provided with a cavity matched with the display panel; the point pressing mechanism is arranged on the base and located above the test fixture, the point pressing mechanism comprises a mounting plate, a driving assembly arranged on the mounting plate and a pressing plate connected with an output execution end of the driving assembly, and the pressing plate can be driven by the driving assembly to press down the function keys on the display panel to be tested.
Preferably, the driving assembly comprises a first air cylinder and a second air cylinder, the first air cylinder is arranged on the mounting plate, and the output end of the first air cylinder is connected with the pressure plate; the second air cylinder is arranged on the pressing plate, the output end of the second air cylinder is connected with a pressing block used for pressing down the functional keys on the display panel to be tested, and the pressing block penetrates through the pressing plate.
Preferably, the automatic press test equipment further comprises a plurality of pressing columns for pressing and holding the display panel to be tested, and the plurality of pressing columns are arranged on the pressing plate and located below the pressing plate.
Preferably, the automatic click test equipment further comprises two electromagnetic valves arranged on the mounting plate, and the two electromagnetic valves are respectively connected with the first air cylinder and the second air cylinder through air pipes.
Preferably, the automatic press-and-click testing device further comprises a guide post arranged on the testing base, a guide hole matched with the guide post is formed in the pressing plate, and the pressing plate is sleeved on the guide post through the guide hole.
Preferably, the test base comprises a bottom case and a cover plate arranged on the bottom case, and the bottom case and the cover plate form an accommodating space for accommodating the test mainboard.
Preferably, a port used for being connected with a digital multimeter is arranged on the bottom case, and the digital multimeter comprises an ammeter and a voltmeter.
Preferably, a plurality of heat dissipation holes are further formed in the bottom box.
Compared with the prior art, the utility model discloses beneficial technological effect lies in:
the embodiment of the utility model provides a remove towards test fixture through drive assembly drive clamp plate to realize pressing when a plurality of function buttons on the display panel that awaits measuring, and accomplish pressing of regulation number of times in the regulation time, after pressing the completion, its current-voltage change of rethread external digital multimeter detection, whether in order to supply the staff to judge the display panel according to this change normally.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an automatic click test apparatus according to the present invention;
FIG. 2 is a schematic view of the automatic click test apparatus shown in FIG. 1 from another perspective;
fig. 3 is a schematic diagram of a back structure of the automatic click test apparatus shown in fig. 1.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The utility model provides an automatic press test equipment, in an embodiment, refer to fig. 1-3, this automatic press test equipment includes test base 10, test fixture 20 used for placing the display panel to be tested and press the mechanism relatively test fixture 20 can reciprocate, test fixture 20 sets up on test base 10, test fixture 20 is provided with the die cavity that matches with the display panel; the press mechanism is arranged on the base and located above the test fixture 20, the press mechanism comprises a mounting plate 31, a driving assembly arranged on the mounting plate 31 and a pressing plate 34 connected with an output execution end of the driving assembly, and the pressing plate 34 can press down a function key on the display panel to be tested under the driving of the driving assembly.
The utility model provides a test base 10 keeps flat on the mesa, behind the switch-on circuit, will await measuring the display panel and arrange test fixture 20's test die cavity in to fix a position the display panel that awaits measuring through this test die cavity, guarantee that the display panel that awaits measuring is arranged in on the tram board. The bottom of the test cavity is provided with a test mainboard, and after the display panel to be tested is arranged in the test cavity, the test mainboard is electrically connected with the display panel to be tested so as to test the performance of the display panel to be tested. After the display panel to be tested is placed in the test cavity in the correct direction, a test program interface is opened through a control host (computer), and a 'start' button is clicked to start performance test on the display panel to be tested.
It should be noted that the embodiment of the present invention provides a testing jig 20, except that the testing cavity locates the display panel to be tested, it can also locate the display panel to be tested by setting other structures, for example, a clamping structure is set on the testing jig 20, and the display panel to be tested is fixed at a preset position in a left-right clamping manner, which is only exemplary, but not limiting, and the skilled person can set the testing jig according to actual situations.
Specifically, before pressing the key on the display panel to be tested, the display panel to be tested is powered on through the relay so as to perform current test on the display panel to be tested, and an actual value obtained through the test is compared with a standard value. If the difference value between the actual value and the standard value is in the normal range, the display panel is normal; if the difference value between the actual value and the standard value exceeds the normal range, the display panel is in fault and needs to be overhauled. In addition, after the display panel to be tested is electrified, whether the display panel is normal or not can be judged by observing the on-off state of the LED lamp on the display panel. Namely, after the display panel to be tested is electrified, if all the LED lamps on the display panel to be tested are in a lighting state, the display panel is normal; if one LED lamp on the display board to be tested is in an off state, the display board is indicated to have a fault.
And after the current test of the display panel to be tested is finished and when the current test of the display panel to be tested is normal, testing the output voltage of the display panel to be tested at the moment. Then, the control host computer controls the clicking mechanism to press the function keys on the display panel to be tested, so that the simultaneous pressing of a plurality of function keys is completed within a specified time, and the pressing of a specified number of times is completed, for example, 20 times of pressing of 4 function keys is completed within 1 min. Specifically, the control host issues an instruction to control the driving assembly to move downwards so as to drive the pressing plate 34 to move downwards, thereby achieving the purpose of pressing a plurality of functional keys on the display panel to be tested; after one pressing, the driving assembly drives the pressing plate 34 to move upward to complete the reset action, and then moves downward toward the display panel to be tested, and the cycle is repeated 20 times.
After the point pressing mechanism presses the display panel to be tested, the output voltage of the display panel to be tested at the moment is tested, and the output voltage is compared with the output voltage obtained by testing before pressing. If the output voltage obtained by testing after pressing is reduced, the display panel is a qualified product; otherwise, the display panel is a faulty product.
In an embodiment, the driving assembly provided by the present invention includes a first cylinder 32 and a second cylinder 33, the first cylinder 32 is disposed on the mounting plate 31, and an output end of the first cylinder 32 is connected to the pressing plate 34; the second cylinder 33 is arranged on the pressing plate 34, the output end of the second cylinder 33 is connected with a pressing block 35 for pressing down the function keys on the display panel to be tested, and the pressing block 35 penetrates through the pressing plate 34. In this embodiment, the platen 34 is driven by the first cylinder 32 to move downward, and the second cylinder 33 is disposed on the platen 34, so the second cylinder 33 will also move under the driving of the first cylinder 32. After the first cylinder 32 drives the pressing plate 34 to move to the preset position, the first cylinder 32 stops moving, the second cylinder 33 starts moving, and the pressing block 35 is driven by the second cylinder 33 to move downwards, so that the pressing block 35 is pressed on a plurality of function keys of the display panel to be tested, and the purpose of clicking is achieved. After the clicking action is completed, the pressing block 35 is driven by the second air cylinder 33 to move upwards to complete the reset, then the second air cylinder 33 stops acting, the first air cylinder 32 starts acting to drive the pressing plate 34 to move upwards through the first air cylinder 32 to complete the reset, so that one clicking operation on the display panel to be detected is completed, and the operation is repeated in a cycle until the clicking operation is performed for a specified number of times.
In an embodiment, the utility model provides an automatic point presses test equipment still includes a plurality of compression legs that are used for pressing the display panel that awaits measuring, and a plurality of compression legs set up on clamp plate 34 and are located clamp plate 34 below. In this embodiment, in the process that the first cylinder 32 drives the pressing plate 34 to move downward, when the pressing plate 34 moves to the preset position, the pressing column disposed below the pressing plate 34 presses the surface of the display panel to be detected, so as to fix the display panel to be detected, and prevent the display panel to be detected from moving when being pressed.
Further, referring to fig. 3, the automatic click test device provided by the present invention further includes two electromagnetic valves 40 disposed on the mounting plate 31, and the two electromagnetic valves 40 are respectively connected to the first cylinder 32 and the second cylinder 33 through air pipes. In this embodiment, the two electromagnetic valves 40 respectively control the extension and retraction of the first cylinder 32 and the second cylinder 33, so as to perform a click operation on the display panel to be tested.
In another embodiment, the present invention further includes a guide pillar 50 disposed on the testing base 10, the pressing plate 34 is provided with a guide hole engaged with the guide pillar 50, and the pressing plate 34 is sleeved on the guide pillar 50 through the guide hole. In this embodiment, one end of the guide post 50 is fixedly disposed on the testing base 10, the other end of the guide post is fixedly disposed on the mounting plate 31, and the pressing plate 34 is sleeved on the guide post 50 through the guide hole, so that the pressing plate 34 is driven by the driving assembly to move up and down along the guide post 50, thereby preventing the pressing plate 34 from deviating when moving up and down, improving the accuracy of the moving up and down of the pressing plate 34, and ensuring the accuracy of the testing result. As for the number of the guide posts 50, it can be set according to actual conditions, and in a specific embodiment of the present invention, the guide posts 50 are set as two oppositely arranged, which is only exemplary and not restrictive, and can be set by those skilled in the art according to actual conditions.
In another embodiment, the test base 10 of the present invention includes a bottom case and a cover plate disposed on the bottom case, wherein the bottom case and the cover plate form an accommodating space for accommodating the test motherboard. In this embodiment, the bottom case and the cover plate may be connected in a hinged manner, for example, a hinge is disposed between the bottom case and the cover plate, and the bottom case and the cover plate are fixed by a snap structure, including but not limited to this, and the bottom case and the cover plate may be fixed by correspondingly disposing a male seam allowance and a female seam allowance on the bottom case and the cover plate, so as to fix the bottom case and the cover plate by snap fit between the male seam allowance and the female seam allowance. A test mainboard is arranged between the bottom box and the cover plate and used for testing the electrical property of the display panel to be tested.
In yet another embodiment, referring to fig. 3, the present invention provides a bottom case having a port 60 for connection to a digital multimeter, the digital multimeter including an ammeter and a voltmeter. In this embodiment, the automatic point-press test equipment is externally connected with a digital multimeter through the port 60 to perform current and voltage test on the display panel to be tested. Of course, two ports 60 can be provided for connecting the ammeter and the voltmeter, and the setting can be performed by those skilled in the art according to the actual situation.
In another embodiment, the present invention provides a plurality of heat dissipation holes 70 on the bottom case. In this embodiment, the test motherboard is disposed in the bottom case, and generates heat when testing the display panel, and this heat will be discharged to the outside through the heat dissipation hole 70 that is provided on the bottom case to carry out timely heat dissipation to the test motherboard, avoid automatic point according to test equipment because of the high temperature leads to the abnormal operation.
What just go up be the utility model discloses a part or preferred embodiment, no matter be characters or the drawing can not consequently restrict the utility model discloses the scope of protection, all with the utility model discloses a holistic thought down, utilize the equivalent structure transform that the contents of the description and the drawing do, or direct/indirect application all includes in other relevant technical field the utility model discloses the within range of protection.
Claims (8)
1. An automatic point-pressing test device is characterized by comprising a test base, a test fixture and a point-pressing mechanism, wherein the test fixture is used for placing a display panel to be tested, the point-pressing mechanism can move up and down relative to the test fixture, the test fixture is arranged on the test base, and a cavity matched with the display panel is arranged on the test fixture; the point pressing mechanism is arranged on the base and located above the test fixture, the point pressing mechanism comprises a mounting plate, a driving assembly arranged on the mounting plate and a pressing plate connected with an output execution end of the driving assembly, and the pressing plate can be driven by the driving assembly to press down the function keys on the display panel to be tested.
2. The automatic click test device according to claim 1, wherein the driving assembly comprises a first air cylinder and a second air cylinder, the first air cylinder is disposed on the mounting plate, and an output end of the first air cylinder is connected with the pressure plate; the second air cylinder is arranged on the pressing plate, the output end of the second air cylinder is connected with a pressing block used for pressing down the functional keys on the display panel to be tested, and the pressing block penetrates through the pressing plate.
3. The automatic click test apparatus according to claim 2, further comprising a plurality of pressing columns for pressing and holding the display panel to be tested, the plurality of pressing columns being disposed on and below the pressing plate.
4. The automatic click test device according to claim 2, further comprising two solenoid valves provided on the mounting plate, the two solenoid valves being connected to the first cylinder and the second cylinder through air pipes, respectively.
5. The automatic click test device according to claim 1, further comprising a guide post disposed on the test base, wherein the pressure plate is provided with a guide hole engaged with the guide post, and the pressure plate is sleeved on the guide post through the guide hole.
6. The automatic click test device according to claim 1, wherein the test base comprises a bottom case and a cover plate disposed on the bottom case, and the bottom case and the cover plate form an accommodating space for accommodating the test motherboard.
7. The automatic click test device according to claim 6, wherein a port for connection with a digital multimeter is provided on the bottom case, the digital multimeter comprising an ammeter and a voltmeter.
8. The automatic click test device according to claim 6, wherein the bottom case is further provided with a plurality of heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802072.9U CN212341339U (en) | 2020-05-14 | 2020-05-14 | Automatic click test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802072.9U CN212341339U (en) | 2020-05-14 | 2020-05-14 | Automatic click test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212341339U true CN212341339U (en) | 2021-01-12 |
Family
ID=74080356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020802072.9U Active CN212341339U (en) | 2020-05-14 | 2020-05-14 | Automatic click test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212341339U (en) |
-
2020
- 2020-05-14 CN CN202020802072.9U patent/CN212341339U/en active Active
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