CN213933072U - Backlight unit is with reflection diaphragm testing arrangement - Google Patents
Backlight unit is with reflection diaphragm testing arrangement Download PDFInfo
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- CN213933072U CN213933072U CN202022765528.1U CN202022765528U CN213933072U CN 213933072 U CN213933072 U CN 213933072U CN 202022765528 U CN202022765528 U CN 202022765528U CN 213933072 U CN213933072 U CN 213933072U
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- push rod
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- sliding block
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Abstract
The utility model relates to the technical field of reflective membrane detection, in particular to a reflective membrane testing device for a backlight module, which comprises a base, a sliding groove is arranged on the upper end surface of the base and close to the rear position in the middle, an electric push rod is fixedly arranged on the left side of the front position of the upper end surface of the base, a sliding block is arranged in the sliding groove in a sliding manner and is fixedly arranged at the bottom end of the movable seat, the screw thread and the through bolt of the sliding block are arranged at the middle position, the clamping plate which is convenient for clamping and has the protection function can be used for clamping various reflective diaphragms, the push rod which is convenient for moving and fixing is used for detecting the deformation force of the reflective diaphragms, the operation is simplified, the data recording is convenient, through twice position adjustment, the pressure sensor faces to the middle position of the foremost end of the reflective membrane, the push rod on the connecting block is pushed, and the pressure sensor lightly faces to the reflective membrane.
Description
Technical Field
The utility model relates to a technical field that reflection diaphragm detected specifically is a backlight unit is with reflection diaphragm testing arrangement.
Background
The reflective film is a key component in the backlight source of the liquid crystal display, and mainly functions to reflect light at a scattering position into the light guide plate to increase the use efficiency of the light, the reflective film is generally of an ABA three-layer structure, the layer A is an inorganic particle filling layer to maintain the stiffness of the reflective film, and the layer B is a micro-structure which is foamed finely to improve the reflectivity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a backlight unit is with reflection diaphragm testing arrangement to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a reflection diaphragm testing device for a backlight module comprises a base, wherein the upper end surface of the base is provided with a sliding groove at a position close to the rear position in the middle, the upper end surface of the base is fixedly provided with an electric push rod at the left side of the front position, the sliding groove is internally provided with a sliding block in a sliding manner, the sliding block is fixedly arranged at the bottom end of a movable seat, the sliding block is in a threaded manner and is provided with a bolt at the middle position, the front view of the movable seat is in a shape of a Chinese character 'ao' of anticlockwise rotation, a clamping plate is slidably arranged at the middle position of the movable seat, the position close to the rear position at the left side surface of the clamping plate is rotated by a bearing and is in through connection with a screw rod, the bottom end of the screw rod is in threaded connection with the movable seat, elastic blocks are fixedly arranged on the left side surface of a concave position of the movable seat and the right side surface of the clamping plate, a supporting plate is fixedly arranged at the middle position of the elastic blocks and is provided with a reflection diaphragm at the uppermost end of the electric push rod, the upper end face of the supporting plate is provided with a sliding rail in the middle, a sliding block is arranged in the sliding rail in a sliding mode, and a bolt penetrates through the left side thread of the bottom end of the sliding block.
Preferably, the uppermost end of the front surface of the moving seat is fixedly provided with a control panel, the moving seat is provided with a button below the control panel, and the middle of the control panel is fixedly provided with a display screen.
Preferably, the fixed connecting block that is provided with in the last terminal surface rightmost side department of backup pad, the left end face screw thread of connecting block just runs through and is provided with the push rod, the fixed block that is provided with in rightmost end of push rod, the right flank central point of fixed block puts the fixed pressure sensor that is provided with in department, the front of push rod is provided with the scale, and the left side lower extreme of push rod and the right flank of sliding block hug closely.
Compared with the prior art, the beneficial effects of the utility model are that:
the clamping plate which is convenient to clamp and has a protection effect can be used for clamping various reflective diaphragms, the push rod which can be conveniently moved and fixed is used for detecting the deformation force of the reflective diaphragms, the operation is simplified, the data is conveniently recorded, the pressure sensor is opposite to the middle position of the foremost end of the reflective diaphragms through twice position adjustment, the push rod on the connecting block is pushed, the pressure sensor is slightly close to the reflective diaphragms, the data transmitted by the pressure sensor to the display screen is zero at the moment, the button is pressed down for zero calibration, the corresponding scale of the right side surface of the connecting block on the push rod is recorded at the moment, the push rod is slowly pushed, the displacement amount which needs to be pushed is determined according to the thickness and the size of the reflective diaphragms, the slide block is pushed after the slide block is just positioned at an expected position after the scale is seen, the bolt of the slide block is screwed, the push rod is prevented from retreating because the push rod is fixed by hand, the arm can shake, and data can be transferred all the time, and the inaccuracy reads out the data on the display screen again, and the ratio of the size of exerting oneself again and the push rod elongation is measured and is judged whether reflection of light diaphragm's deflection is up to standard.
Drawings
Fig. 1 is a left side view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a partial enlarged view of the present invention.
In the figure: 1-base, 2-mobile station, 3-electric push rod, 4-slide block, 5-sliding chute, 6-bolt, 7-screw rod, 8-clamping plate, 9-reflective membrane, 10-supporting plate, 11-connecting block, 12-push rod, 13-control plate, 14-display screen, 15-button, 16-fixed block, 17-pressure sensor, 18-elastic block, 19-slide block and 20-slide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, the present invention provides a technical solution: a reflection diaphragm testing device for a backlight module comprises a base 1, wherein a sliding groove 5 is formed in the upper end face of the base 1 and leans to the rear position in the middle, an electric push rod 3 is fixedly arranged on the left side of the front position of the upper end face of the base 1, a sliding block 4 is arranged in the sliding groove 5 in a sliding mode, the sliding block 4 is fixedly arranged at the bottom end of a movable seat 2, a bolt 6 is arranged at the middle position of the sliding block 4 in a threaded mode and penetrates through the sliding block, the front view of the movable seat 2 is in a shape like a Chinese character 'ao' of anticlockwise rotation, a clamping plate 8 is arranged in the middle position of the movable seat 2 in a sliding mode, a screw 7 is arranged at the position, which leans to the rear side of the left side face, of the clamping plate 8 and rotates through a bearing and is connected with the screw 7, the bottom end of the screw 7 is in threaded connection with the movable seat 2, elastic blocks 18 are fixedly arranged on the left side face of the recessed position of the movable seat 2 and the right side face of the clamping plate 8, and a control panel 13 is fixedly arranged at the uppermost end of the front face of the movable seat 2, the movable seat 2 is provided with a button 15 below the control panel 13, a display screen 14 is fixedly arranged in the middle of the control panel 13, a reflective membrane 9 is arranged at the middle position of the elastic block 18, a supporting plate 10 is fixedly arranged at the uppermost end of the telescopic rod of the electric push rod 3, the middle position of the upper end surface of the supporting plate 10 is provided with a slide rail 20, the rightmost part of the upper end surface of the supporting plate 10 is fixedly provided with a connecting block 11, a push rod 12 is threaded on the left end face of the connecting block 11 and penetrates through the connecting block, a fixed block 16 is fixedly arranged at the rightmost end of the push rod 12, a pressure sensor 17 is fixedly arranged at the center of the right side surface of the fixed block 16, a graduated scale is arranged on the front surface of the push rod 12, and the left side lower extreme of push rod 12 and the right flank of sliding block 19 are hugged closely, it is provided with sliding block 19 to slide in the slide rail 20, the bottom left side screw thread of sliding block 19 just runs through and is provided with bolt 6.
The working principle is as follows: firstly, a reflective membrane 9 is taken up and placed in the middle of a movable seat 2 and a clamping plate 8, the lower end of the reflective membrane 9 is placed on the movable seat 2, then a screw 7 is rotated, the screw 7 drives a bearing in the clamping plate 8 to rotate together and drives the bearing and the clamping plate 8 to move rightwards, an elastic block 18 on the right side surface of the clamping plate 8 and an elastic block 18 arranged on the left side of the movable seat 2 clamp the reflective membrane 9, so that the gravity of the reflective membrane 9 is borne by a movable block 2, the front side and the back side of the reflective membrane 9 are tightly pressed by the elastic block 18, the influence of the gravity of the reflective membrane 9 on the stiffness test is prevented, a bolt 6 at the bottom end of the movable seat 2 is loosened, then the movable seat 2 is moved, the foremost end of the reflective membrane 9 is aligned with a pressure sensor 17, then an electric push rod 3 is started to adjust the height of a supporting plate 10, the pressure sensor 17 faces to the central line of the reflective membrane 9, and the two-position adjustment is carried out, the pressure sensor 17 is opposite to the middle position of the foremost end of the reflective membrane 9, the push rod 12 on the connecting block 11 is pushed, the pressure sensor 17 is slightly opposite to the reflective membrane 9, the data transmitted by the pressure sensor 17 to the display screen 14 is zero at the moment, the button 15 is pressed to perform zero calibration, the corresponding scale of the right side surface of the connecting block on the push rod 12 is recorded at the moment, the push rod 12 is slowly pushed, the displacement required to be pushed forward is determined according to the thickness and the size of the reflective membrane 9, the sliding block 19 is pushed right to the expected position after looking at the scales, the bolt 6 of the sliding block 19 is screwed, the push rod 12 is prevented from retreating, because we fix the push rod 12 with hands, the arm will shake, the data will be transferred all the time, and is inaccurate, and read the data on the display screen 14, and then the ratio of the force and the extension of the push rod 12 is used to measure whether the stiffness of the reflective membrane 9 reaches the standard. Utilize the splint 8 that makes things convenient for the centre gripping and have the guard action to carry out the centre gripping to multiple reflection of light diaphragm 9, recycle can conveniently remove and fixed push rod 12 comes to carry out the detection of deformation power to reflection of light diaphragm 9, simplified operation and convenient record data. The above is the working principle of the utility model.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a backlight unit is with reflection diaphragm testing arrangement, includes base (1), spout (5), its characterized in that have been seted up to the up end of base (1) again middle back position department of leaning on: base (1) leans on the fixed electric putter (3) that is provided with in the left side of front position department at the up end, it is provided with slider (4) to slide in spout (5), slider (4) are fixed to be set up in the bottom of removing seat (2), and slider (4) just run through and be provided with bolt (6) in intermediate position department screw thread, remove seat (2) front view and be the ninety degrees concave character form of anticlockwise rotation, it is provided with splint (8) to slide in the intermediate position department of removing seat (2), splint (8) utilize the bearing to rotate and through connection have screw rod (7) in the position department that the left surface leaned on the back, the bottom of screw rod (7) and remove seat (2) threaded connection, it all fixes being provided with elastic block (18) all to remove seat (2) at the left surface of sunk position and the right flank of splint (8), elastic block (18) intermediate position is provided with reflective membrane (9) the telescopic link of electric putter (3) is fixed to be provided with the support the most The plate (10), slide rail (20) have been seted up at the intermediate position to the up end of backup pad (10), it is provided with sliding block (19) to slide in slide rail (20), the bottom left side screw thread of sliding block (19) just runs through and is provided with bolt (6).
2. The apparatus for testing a reflective film of a backlight module as claimed in claim 1, wherein: the portable electronic device is characterized in that a control panel (13) is fixedly arranged at the uppermost end of the front face of the movable seat (2), a button (15) is arranged below the control panel (13) of the movable seat (2), and a display screen (14) is fixedly arranged in the middle of the control panel (13).
3. The apparatus for testing a reflective film of a backlight module as claimed in claim 1, wherein: the fixed connecting block (11) that is provided with in the last terminal surface rightmost side department of backup pad (10), the left end face screw thread of connecting block (11) just runs through and is provided with push rod (12), the rightmost end of push rod (12) is fixed and is provided with fixed block (16), the right flank central point of fixed block (16) puts the fixed pressure sensor (17) that is provided with of department, the front of push rod (12) is provided with the scale, and the left side lower extreme of push rod (12) and the right flank of sliding block (19) hug closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022765528.1U CN213933072U (en) | 2020-11-26 | 2020-11-26 | Backlight unit is with reflection diaphragm testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022765528.1U CN213933072U (en) | 2020-11-26 | 2020-11-26 | Backlight unit is with reflection diaphragm testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213933072U true CN213933072U (en) | 2021-08-10 |
Family
ID=77144136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022765528.1U Active CN213933072U (en) | 2020-11-26 | 2020-11-26 | Backlight unit is with reflection diaphragm testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213933072U (en) |
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2020
- 2020-11-26 CN CN202022765528.1U patent/CN213933072U/en active Active
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