CN216622641U - Backlight source lighting detection device - Google Patents
Backlight source lighting detection device Download PDFInfo
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- CN216622641U CN216622641U CN202122434590.7U CN202122434590U CN216622641U CN 216622641 U CN216622641 U CN 216622641U CN 202122434590 U CN202122434590 U CN 202122434590U CN 216622641 U CN216622641 U CN 216622641U
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- backlight
- pressing plate
- power supply
- backlight source
- detection device
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Abstract
The utility model discloses a backlight source lightening detection device, which comprises a workbench, a power supply station, a positioning mechanism for fixing a backlight source and a turnover fixing mechanism, wherein the power supply station is arranged on the workbench; the power supply table is arranged on the workbench; the positioning mechanism is arranged on the workbench so as to enable the conductive piece of the backlight source to be positioned on the power supply station; the overturning fixing mechanism is arranged on the workbench and used for fixing the conductive piece of the backlight source on the power supply station or releasing the conductive piece of the backlight source. The technical scheme of the utility model provides a backlight source lightening detection device capable of reducing labor intensity.
Description
Technical Field
The utility model relates to the technical field of backlight source lightening detection, in particular to a backlight source lightening detection device.
Background
The backlight source is a light source device for ensuring the brightness emitted from the back of the liquid crystal display screen, and has the functions of supplying sufficient brightness and uniformly distributed light to enable the image to be normally displayed. In the last step of manufacturing the backlight, it is necessary to detect the optical characteristics of the backlight to detect whether the backlight can be normally lit.
In the detection process, whether the backlight source can be lightened or not can be detected by applying corresponding voltage to the conductive parts in the backlight source. However, at present, the detection is mainly performed by manually pressing the conductive member, which results in high labor intensity.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a backlight source lighting detection device, and aims to provide a backlight source lighting detection device capable of reducing labor intensity.
To achieve the above object, a backlight lighting detection device according to the present invention includes:
a work table;
the power supply station is arranged on the workbench;
the positioning mechanism is used for fixing the backlight source and is arranged on the workbench, so that the conductive piece of the backlight source is positioned on the power supply station; and
and the overturning fixing mechanism is arranged on the workbench and used for fixing the conductive piece of the backlight source on the power supply station or releasing the conductive piece of the backlight source.
In an embodiment of the present invention, the flip fixing mechanism includes:
the turnover pressing plate is rotatably connected to the workbench and has a first state and a second state; when the turning pressing plate is in the first state, the turning pressing plate covers the conductive piece of the backlight source so as to fix the turning pressing plate on the power supply station; when the turnover pressing plate is in the second state, the turnover pressing plate releases the conductive piece of the backlight source; and
the driving piece is arranged on the workbench and is in transmission connection with the turnover pressing plate, and the driving piece is used for driving the turnover pressing plate to turn over so as to enable the turnover pressing plate to be switched between the first state and the second state.
In an embodiment of the present invention, the turnover fixing mechanism further includes a base, and the base is disposed on the worktable; the turnover pressing plate is rotatably connected to the base; the driving piece is arranged on the base and is in transmission connection with the turnover pressing plate.
In an embodiment of the present invention, the base includes a first mounting plate and a second mounting plate which are oppositely arranged;
the driving piece is arranged on one side of the first mounting plate, which is back to the second mounting plate; one end of the turning pressing plate is rotatably connected with the first mounting plate and is in transmission connection with the driving piece, and the other end of the turning pressing plate is rotatably connected with the second mounting plate.
In an embodiment of the utility model, the flip plate is provided with an elastic member, and when the flip plate is in the first state, the elastic member presses the conductive member of the backlight source to fix the conductive member on the power supply station.
In an embodiment of the present invention, the workbench has a slide rail, an extending direction of the slide rail is consistent with an extending direction of a rotation center of the turning press plate, and the power supply station is slidably disposed on the slide rail.
In an embodiment of the utility model, the positioning mechanism includes a limiting table and a connecting joint, the limiting table is disposed on the workbench, a vacuum adsorption channel is formed in the limiting table, an adsorption port communicated with the vacuum adsorption channel is formed on a table top of the limiting table for adsorbing and fixing the backlight source, an air suction port communicated with the vacuum adsorption channel is formed on a side wall of the limiting table, one end of the connecting joint is inserted into the air suction port, and the other end of the connecting joint is communicated with an external vacuum tube.
In an embodiment of the present invention, the vacuum adsorption channels are provided in a plurality, and the plurality of vacuum adsorption channels are arranged at intervals.
In an embodiment of the present invention, the plurality of vacuum suction channels are divided into a plurality of transverse channels and a plurality of longitudinal channels, and each of the transverse channels is communicated with at least one of the longitudinal channels.
In an embodiment of the present invention, a plurality of the adsorption ports are provided, and each of the vacuum adsorption channels is communicated with at least one of the adsorption ports.
When the backlight source lighting detection device is used for lighting detection of the backlight source, the backlight source is fixed through the positioning mechanism firstly, so that the conductive piece of the backlight source is positioned on the power supply station, at the moment, the overturning and fixing mechanism works, and the conductive piece of the backlight source is fixed on the power supply station or released through the overturning and fixing mechanism; when the conductive piece of the backlight source is fixed on the power supply station in a turning mode, the turning fixing mechanism presses the conductive piece to enable the conductive piece to be in full contact with the power supply station, corresponding voltage can be applied to the conductive piece through the power supply station to detect whether the backlight source can be lightened or not, the mode that the conductive piece is pressed manually is replaced for detection, and therefore labor intensity is reduced.
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 structural diagram of a backlight illumination detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a turning platen in a first state according to the disclosure;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural diagram of the turning press plate in the second state in the embodiment of the backlight source lighting detection device of the utility model.
The reference numbers illustrate:
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, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. 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 present invention provides a backlight lighting detection device 100, and aims to provide a backlight lighting detection device 100 capable of reducing labor intensity.
The following will explain the specific structure of the backlight lighting detection device 100 of the present invention, and take the backlight lighting detection device 100 level as an example:
referring to fig. 1 to 4, in an embodiment of the backlight source lighting detection device 100 of the present invention, the backlight source lighting detection device 100 includes a worktable 10, a power supply table 30, a positioning mechanism 20 for fixing a backlight source 200, and an overturning fixing mechanism 40; the power supply station 30 is arranged on the workbench 10; the positioning mechanism 20 is disposed on the working table 10, so that the conductive component 210 of the backlight source 200 is located on the power supply station 30; the turnover fixing mechanism 40 is disposed on the working table 10, and is configured to fix the conductive component 210 of the backlight source 200 on the power supply station 30 or release the conductive component 210 of the backlight source 200.
It can be understood that, in the backlight illumination detection device 100 of the present invention, when performing illumination detection on the backlight 200, the positioning mechanism 20 is first used to fix the backlight 200, so that the conductive component 210 of the backlight 200 is located on the power supply station 30, at this time, the flipping fixing mechanism 40 works, and the flipping fixing mechanism 40 is used to fix the conductive component 210 of the backlight 200 on the power supply station 30 or release the conductive component 210 of the backlight 200; when the turning-over fixing mechanism 40 fixes the conductive piece 210 of the backlight 200 on the power supply station 30, the turning-over fixing mechanism 40 presses the conductive piece 210, so that the conductive piece 210 is fully contacted with the power supply station 30, that is, a corresponding voltage is applied to the conductive piece 210 through the power supply station 30, so as to detect whether the backlight 200 can be lightened, and the detection is performed by replacing a manual method of pressing the conductive piece 210, so that the labor intensity is reduced.
In addition, the turning-over fixing mechanism 40 is adopted to press the conductive member 210, so that uniform pressure can be applied to the conductive member 210 to ensure that the conductive member 210 can be fully and uniformly contacted with the power supply table 30 to ensure the detection accuracy of the backlight 200; meanwhile, the damage risk caused by manual pressing can be avoided, and the generation of defective products is reduced.
In this embodiment, before the detection, the turnover fixing mechanism 40 is first moved away from the power supply station 30, so that there is no obstacle in the space above the power supply station 30; then, a manipulator can be used to grab the backlight source 200 to move the backlight source 200 onto the positioning mechanism 20, and after the CCD positioning, the backlight source 200 is placed at the corresponding position of the positioning mechanism 20, and the conductive component 210 of the backlight source 200 is supported on the power supply station 30; then, the conductive piece 210 of the backlight source 200 is fixed on the power supply station 30 through the overturning fixing mechanism 40, so that the conductive piece 210 is pressed, the conductive piece 210 is in full contact with the power supply station 30, a corresponding voltage can be applied to the conductive piece 210 through the power supply station 30, whether the backlight source 200 can be lightened or not is detected, specifically, whether the backlight source 200 is lightened or not can be observed through human eyes, or whether the backlight source 200 is lightened or not is detected through a CCD (charge coupled device), if the backlight source 200 is lightened, the next step of assembly is carried out, if the backlight source is not lightened, the device is thrown out, and the automatic detection process can be realized.
It should be noted that the power supply station 30 may be composed of two non-interfering conductive blocks, and is used to connect with an external power supply, so that the two conductive blocks have a positive voltage and a negative voltage respectively; in order to make the conductive block and the conductive member 210 more conductive, the conductive block may be preferably a copper block.
The conductive member 210 of the backlight 200 may also be preferably a copper sheet, or a conductive layer may be sprayed on the surface of the conductive member 210, so that the backlight 200 is electrically connected to the power supply station 30 or an external power source through the conductive member 210; and, the surface of the conductive member 210 is marked with contacts of positive and negative voltages to better contact the positive and negative voltage contacts of the conductive member 210 with the positive and negative voltages of the power supply station 30 in the test.
Further, referring to fig. 2 and fig. 4 in combination, in an embodiment of the backlight illumination detection apparatus 100 of the present invention, the turning fixing mechanism 40 includes a turning pressing plate 41 and a driving member 42; the turnover pressing plate 41 is rotatably connected to the workbench 10 and has a first state and a second state; when the turning press plate 41 is in the first state, the turning press plate 41 presses the conductive member 210 of the backlight 200 to fix the turning press plate on the power supply station 30; when the flipping platen 41 is in the second state, the flipping platen 41 releases the conductive component 210 of the backlight 200; the driving element 42 is disposed on the working table 10 and is in transmission connection with the turning pressing plate 41, and the driving element 42 is configured to drive the turning pressing plate 41 to turn so as to switch between the first state and the second state.
So configured, before detection, the turning pressure plate 41 is driven by the driving component 42 to move from the first state to the second state, so that the space above the power supply table 30 is free from obstruction; then, a manipulator can be used to grab the backlight source 200 to move the backlight source 200 to the position above the positioning mechanism 20, and after the CCD positioning, the backlight source 200 is placed at the corresponding position of the positioning mechanism 20, and the conductive member 210 of the backlight source 200 is supported on the power supply table 30; then, the driving member 42 drives the turning platen 41 to turn over again, so that the turning platen 41 turns over from the second state to the first state, at this time, the turning platen 41 presses the conductive member 210 of the backlight 200 to fix the conductive member on the power supply station 30, so as to press the conductive member 210, so that the conductive member 210 is in full contact with the power supply station 30, that is, the power supply station 30 applies a corresponding voltage to the conductive member 210, so as to detect whether the backlight 200 can be turned on.
In particular, the drive member 42 may be a drive motor.
Referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the backlight illumination detection device 100 of the present invention, the turnover fixing mechanism 40 further includes a base 43, and the base 43 is disposed on the worktable 10; the overturning pressing plate 41 is rotatably connected to the base 43; the driving member 42 is disposed on the base 43 and is in transmission connection with the turning pressing plate 41. With this arrangement, the flipping platen 41 and the driving member 42 can be mounted on the base 43, so as to ensure the mounting stability of the flipping platen 41 and the driving member 42, and ensure that the flipping platen 41 is flipped over the worktable 10, so that the flipping platen 41 covers the conductive member 210 of the backlight 200 under the driving of the driving member 42 to fix the conductive member 210 on the power supply station 30 or release the conductive member 210 of the backlight 200.
Further, referring to fig. 1, fig. 2 and fig. 4 in combination, in an embodiment of the backlight illumination detection device 100 of the present invention, the base 43 includes a first mounting plate 431 and a second mounting plate 432 that are oppositely disposed; the driving member 42 is disposed on a side of the first mounting plate 431 opposite to the second mounting plate 432; one end of the turning press plate 41 is rotatably connected to the first mounting plate 431 and is in transmission connection with the driving member 42, and the other end of the turning press plate 41 is rotatably connected to the second mounting plate 432.
With such arrangement, the turning press plate 41 can be used as two supporting points of the turning press plate 41 through the first mounting plate 431 and the second mounting plate 432 in the turning process, so as to ensure the stability of the turning press plate 41 in the turning process; and, it is also ensured that the turning press plate 41 applies more uniform pressure to the conductive member 210.
Specifically, when the driving member 42 is a driving motor, one end of the turning pressing plate 41 penetrates through the first mounting plate 431 and is sleeved on the output shaft of the driving motor so as to rotate along with the output shaft of the driving motor, and the other end of the turning pressing plate 41 is sleeved with a bearing, which penetrates through the second mounting plate 432.
Referring to fig. 1, fig. 3 and fig. 4, in an embodiment of the backlight illumination detection device 100 of the present invention, an elastic member 411 is disposed on the flip pressing plate 41, and when the flip pressing plate 41 is in the first state, the elastic member 411 presses the conductive member 210 of the backlight 200 to fix the conductive member on the power supply station 30.
With such arrangement, when the flipping platen 41 is in the first state, the elastic element 411 is pressed against the conductive element 210 of the backlight 200 to fix the conductive element on the power supply station 30, and when the elastic element 4121 is pressed against the conductive element 210 of the backlight 200, the effect of buffering the conductive element 210 is achieved, so that the flipping platen 41 is prevented from rigidly colliding with the conductive element 210 during the flipping process, and the conductive element 210 is easily damaged.
Specifically, the elastic member 411 may be fixed on the abutting surface of the turning pressure plate 41 by means of adhesion; moreover, the elastic element 411 may be a structural element with deformation capability, such as foam or elastic sheet.
The elastic member 411 may have a block-like structure substantially corresponding to the width of the power supply stand 30, but the elastic member 411 may have a long structure extending in the longitudinal direction of the inverter platen 41.
Referring to fig. 1 to 4, in an embodiment of the backlight illumination detection device 100 of the present invention, the worktable 10 has a slide rail 11, an extending direction of the slide rail 11 is consistent with an extending direction of a rotation center of the turnover pressing plate 41, and the power supply station 30 is slidably disposed on the slide rail 11.
Because the positions of the conductive pieces 210 in the backlight sources 200 with different sizes and different sizes are different, in the process of lighting detection of the backlight sources 200, firstly, the backlight sources 200 are fixed by the positioning mechanism 20, and then, the positions of the power supply stations 30 are adjusted according to the positions of the conductive pieces 210, so that the power supply stations 30 move to the positions under the conductive pieces 210 in a sliding manner, and the positive and negative voltages of the power supply stations 30 correspond to the positive and negative voltages of the conductive pieces 210 one by one, and at this time, the lighting detection of the backlight sources 200 can be performed; thus, the backlight sources 200 with different sizes and different sizes can be adapted by adjusting the position of the power supply station 30, so as to improve the versatility of the backlight source lighting detection apparatus 100.
Specifically, the power supply station 30 is disposed on the slide rail 13, and the bottom of the power supply station 30 has a slide block, and the slide block is in sliding fit with the slide rail 11, so that the slide block can slide along the extending direction of the slide rail 11 under the driving of a driving mechanism such as a motor and a cylinder, and further the power supply station 30 is driven to slide along the extending direction of the slide rail 11.
Referring to fig. 1 in combination, in an embodiment of the backlight source lighting detection device 100 of the present invention, the positioning mechanism 20 includes a limiting table 21 and a connecting joint 22, the limiting table 21 is disposed on the workbench 10, a vacuum suction channel 211 is formed in the limiting table 21, an suction port 212 communicated with the vacuum suction channel 211 is formed on a table surface of the limiting table 21 for sucking and fixing the backlight source 200, an air suction port communicated with the vacuum suction channel 211 is formed on a side wall of the limiting table 21, one end of the connecting joint 22 is inserted into the suction port, and the other end is communicated with an external vacuum tube.
So set up, place backlight 200 behind the mesa of spacing platform 21, insert the one end of outside vacuum tube and locate connector 22, so, outside evacuation equipment work, alright carry out the evacuation through evacuation equipment's suction opening to the vacuum tube, and then carry out the evacuation to vacuum adsorption passageway 211, so that vacuum adsorption passageway 211 and external world produce pressure differential, alright adsorb backlight 200 through adsorbing mouth 212, so that will adsorb backlight 200 tightly on the mesa of spacing platform 21, prevent to light backlight 200 and take place to remove in the testing process to backlight 200, and influence the detection precision.
Further, in order to improve the suction force to the backlight 200 and further ensure the stability in the lighting detection process of the backlight 200, a plurality of vacuum suction channels 211 may be provided, and the vacuum suction channels 211 are arranged at intervals.
Further, in order to increase the overlapping area between the projection of the backlight source 200 on the table surface of the limiting table 21 and the projection of the vacuum suction channels 211 on the table surface of the limiting table 21, the suction force to the backlight source 200 is further increased, so that the vacuum suction channels 211 are divided into a plurality of transverse channels and a plurality of longitudinal channels, and each transverse channel is communicated with one longitudinal channel.
Further, the suction ports 212 are provided with a plurality of suction ports, each vacuum suction channel 211 is communicated with at least one suction port 212, so that the backlight source 200 can be sucked at different positions through the suction ports 212, the suction force on the backlight source 200 is further improved, and the stability of the backlight source 200 in the lighting detection process is further ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by 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 (10)
1. A backlight lighting detection device is characterized by comprising:
a work table;
the power supply station is arranged on the workbench;
the positioning mechanism is used for fixing the backlight source and is arranged on the workbench, so that the conductive piece of the backlight source is positioned on the power supply station; and
and the overturning fixing mechanism is arranged on the workbench and used for fixing the conductive piece of the backlight source on the power supply station or releasing the conductive piece of the backlight source.
2. The backlight illumination detection device according to claim 1, wherein the flip fixing mechanism includes:
the turnover pressing plate is rotatably connected to the workbench and has a first state and a second state; when the turning pressing plate is in the first state, the turning pressing plate covers the conductive piece of the backlight source so as to fix the turning pressing plate on the power supply station; when the turnover pressing plate is in the second state, the turnover pressing plate releases the conductive piece of the backlight source; and
the driving piece is arranged on the workbench and is in transmission connection with the turnover pressing plate, and the driving piece is used for driving the turnover pressing plate to turn over so as to enable the turnover pressing plate to be switched between the first state and the second state.
3. The backlight illumination detection device according to claim 2, wherein the flip fixing mechanism further includes a base, the base being provided on the table; the turnover pressing plate is rotatably connected to the base; the driving piece is arranged on the base and is in transmission connection with the turnover pressing plate.
4. The backlight illumination detection device according to claim 3, wherein the chassis includes a first mounting plate and a second mounting plate that are disposed opposite to each other;
the driving piece is arranged on one side of the first mounting plate, which is back to the second mounting plate; one end of the turning pressing plate is rotatably connected with the first mounting plate and is in transmission connection with the driving piece, and the other end of the turning pressing plate is rotatably connected with the second mounting plate.
5. The device as claimed in claim 2, wherein the flip plate is provided with an elastic member, and when the flip plate is in the first state, the elastic member presses against the conductive member of the backlight to fix the conductive member to the power supply station.
6. The backlight illumination detection device according to claim 2, wherein the table has a slide rail, an extending direction of the slide rail coincides with an extending direction of a rotation center of the inverter platen, and the power supply station is slidably provided on the slide rail.
7. The backlight source lighting detection device of claim 1, wherein the positioning mechanism comprises a limiting table and a connector, the limiting table is disposed on the worktable, a vacuum absorption channel is formed in the limiting table, an absorption port communicated with the vacuum absorption channel is formed on a table surface of the limiting table for absorbing and fixing the backlight source, an air suction port communicated with the vacuum absorption channel is formed on a side wall of the limiting table, one end of the connector is inserted into the air suction port, and the other end of the connector is communicated with an external vacuum tube.
8. The backlight illumination detection device according to claim 7, wherein the vacuum suction passages are provided in a plurality, and the plurality of vacuum suction passages are provided at intervals.
9. The backlight illumination detection device of claim 8, wherein the plurality of vacuum suction channels are divided into a plurality of lateral channels and a plurality of longitudinal channels, each of the lateral channels being in communication with at least one of the longitudinal channels.
10. The backlight illumination detection device according to claim 8, wherein a plurality of the suction ports are provided, and each of the vacuum suction passages is communicated with at least one of the suction ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434590.7U CN216622641U (en) | 2021-10-09 | 2021-10-09 | Backlight source lighting detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434590.7U CN216622641U (en) | 2021-10-09 | 2021-10-09 | Backlight source lighting detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216622641U true CN216622641U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122434590.7U Active CN216622641U (en) | 2021-10-09 | 2021-10-09 | Backlight source lighting detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216622641U (en) |
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2021
- 2021-10-09 CN CN202122434590.7U patent/CN216622641U/en active Active
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