CN113252311A - Backlight source detection device - Google Patents
Backlight source detection device Download PDFInfo
- Publication number
- CN113252311A CN113252311A CN202110491978.2A CN202110491978A CN113252311A CN 113252311 A CN113252311 A CN 113252311A CN 202110491978 A CN202110491978 A CN 202110491978A CN 113252311 A CN113252311 A CN 113252311A
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 230000009471 action Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
Abstract
The invention relates to the technical field of backlight sources, in particular to a backlight source detection device, which comprises: the supporting plates are distributed on two sides of the base, one end of each supporting plate is fixedly connected with the base, and the mounting groove is fixed at the other end of each supporting plate; the fixing component is arranged on the base and can slide under the support of the supporting plate; the detection assembly is arranged between the side plates on the two sides and is positioned on one side of the fixing assembly, which is far away from the bottom plate, and the detection assembly is fixedly connected with the mounting groove; the moving mechanism is installed on the installation groove, the output end of the moving mechanism is fixed with the detection assembly, the moving mechanism comprises a power mechanism and a translation mechanism, the power mechanism is arranged on the outer side of the installation groove and fixed with the translation mechanism, and the translation mechanism is installed on the installation groove. The backlight source detection device provided by the invention not only improves the detection efficiency of the backlight source, but also can carry out omnibearing measurement on the brightness of the backlight source through the design of the moving mechanism and the fixed component, and is convenient to operate and strong in practicability.
Description
Technical Field
The invention relates to the technical field of backlight sources, in particular to a backlight source detection device.
Background
The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module. The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light.
The conventional backlight source is used for brightness detection, and usually a detection device is used for manual measurement, so that the measurement efficiency is low, and the detection range is not comprehensive, so that a backlight source detection device is needed to solve the problems.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a backlight source detection apparatus, which aims to solve the following problems: the existing backlight source has low detection efficiency and incomplete detection range.
The embodiment of the present invention is implemented as follows, and a backlight source detection device includes: the supporting plates are distributed on two sides of the base, one end of each supporting plate is fixedly connected with the base, and the mounting groove is fixed at the other end of each supporting plate; the fixing component is arranged on the base, can slide under the support of the supporting plate and is used for compressing and fixing the backlight source; the detection assembly is arranged between the side plates at the two sides and is positioned at one side of the fixing assembly, which is far away from the bottom plate, and the detection assembly is fixedly connected with the mounting groove and is used for approaching the backlight body on the fixing assembly and detecting the backlight body; the moving mechanism is installed on the mounting groove, the output end of the moving mechanism is fixed with the detection assembly, the moving mechanism is used for driving the detection assembly to conduct all-dimensional detection on the backlight body on the fixed assembly, the moving mechanism comprises a power mechanism and a translation mechanism, the power mechanism is arranged outside the mounting groove and fixed with the translation mechanism, the power mechanism is used for driving the translation mechanism to drive the detection assembly to move, and the translation mechanism is installed on the mounting groove.
Preferably, the fixing assembly comprises: the driving mechanism is arranged on the base and used for providing pressing power for the fixing assembly; the connecting rods are provided with a group, one ends of the connecting rods are connected with the driving mechanism and can move towards two sides under the driving of the driving mechanism; the push rods are provided with a group, are connected to the other end of the connecting rod and penetrate through the supporting plate, and can slide on the push rods; the pressing block is fixed at one end of the group of push rods, which is close to each other, and is used for pressing and fixing the backlight source; one end of the first elastic piece is fixed on the driving mechanism and used for providing buffering for the backlight source body; and the placing plate is fixed at the other end of the first elastic piece and used for placing the backlight body.
Preferably, the drive mechanism comprises: the fixing groove is arranged on the base; the rotating gear is arranged in the fixing groove; the pushing racks are provided with a group and distributed on two sides of the rotating gear to be meshed with the rotating gear; one end of the sleeve is connected with the fixing groove, one end of the loop bar is sleeved on the other end of the sleeve, the loop bar can slide in the sleeve, and the loop bar is connected with a handle for control; the second elastic piece is arranged in the sleeve, and two ends of the second elastic piece are respectively connected with the sleeve and the loop bar; and the locking rack is fixedly connected with the other end of the loop bar.
Preferably, the detection assembly comprises: the power piece is arranged on the outer side of the mounting groove, and an output shaft of the power piece penetrates through the mounting groove and can rotate in the mounting groove; one end of the threaded column is fixed with the output shaft of the power part; the thread block is sleeved on the thread column in a threaded manner and forms a screw pair with the thread column to rotate; one end of the sliding rod is fixed with the thread block; the sliding block is fixedly connected with the other end of the sliding rod; the sliding block is sleeved on the sliding column in a sliding manner and can slide on the sliding block; the moving block is sleeved on the sliding column in a sliding manner; and the detector is fixed with the moving block and used for detecting the backlight source body on the backlight source.
Preferably, the power mechanism includes: one end of the guide rod is connected with the mounting groove; the base is sleeved on the guide rod in a sliding manner and can move along the direction of the guide rod; one end of the pushing plate is fixed with the base, and one side of the pushing plate is connected to the translation mechanism; the driving gear is connected with the base through the rotating component and is an incomplete gear; and the guide rack is meshed with the driving gear, and the driving gear can rotate on the guide gear.
Preferably, the translation mechanism comprises: one end of the reciprocating rack is connected with the power mechanism through a connecting rod and can reciprocate left and right under the action of the power mechanism; the resetting piece is fixed between the baffle plate at the other end of the reciprocating rack and the mounting groove; the reciprocating gear is meshed with the reciprocating rack and is arranged on the mounting groove; the rotating wheel is coaxially arranged on the reciprocating gear, and the reciprocating gear is positioned on one surface of the rotating wheel; the rotating column is fixed on the periphery of the rotating wheel and is positioned on the other surface of the rotating wheel; the detection device comprises a guide sleeve and a guide pillar, wherein one end of the guide sleeve is hinged with a rotating column, one end of the guide pillar is sleeved on the other end of the guide sleeve, and the other end of the guide pillar is connected with the detection assembly.
The backlight source detection device provided by the invention not only improves the detection efficiency of the backlight source, but also can carry out omnibearing measurement on the brightness of the backlight source through the design of the moving mechanism and the fixed component, and is convenient to operate and strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of a backlight source detection device.
Fig. 2 is a schematic diagram of a sleeve and a loop bar of the backlight source detection device.
Fig. 3 is a partial side view of a power mechanism of a backlight detection device.
In the drawings: 1-base, 2-supporting plate, 3-mounting groove, 4-fixing component, 5-detecting component, 6-moving mechanism, 7-power mechanism, 8-translation mechanism, 41-driving mechanism, 42-connecting rod, 43-push rod, 44-pressing block, 45-first elastic component, 46-placing plate, 411-fixing groove, 412-rotating gear, 413-pushing rack, 414-sleeve, 415-loop bar, 416-second elastic component, 417-locking rack, 51-power component, 52-threaded column, 53-threaded block, 54-sliding rod, 55-sliding block, 56-sliding column, 57-moving block, 58-detector, 71-guide rod, 72-base, 73-pushing plate, 74-driving gear, 75-guiding rack, 81-reciprocating rack, 82-resetting piece, 83-reciprocating gear, 84-rotating wheel, 85-rotating column, 86-guide sleeve and 87-guide column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 and 2, a backlight source detection device provided in an embodiment of the present invention includes:
the device comprises a base 1, supporting plates 2 and mounting grooves 3, wherein the supporting plates 2 are distributed on two sides of the base 1, one end of each supporting plate is fixedly connected with the base 1, and the mounting grooves 3 are fixed at the other end of each supporting plate 2; the fixing component 4 is arranged on the base 1, can slide under the support of the support plate 2 and is used for compressing and fixing the backlight source; the detection assembly 5 is arranged between the side plates 2 on the two sides and positioned on one side, far away from the bottom plate 1, of the fixing assembly 4, and the detection assembly 5 is fixedly connected with the mounting groove 3 and used for being close to and detecting the backlight source body on the fixing assembly 4; moving mechanism 6 installs on mounting groove 3 and output and determine module 5 are fixed for drive determine module 5 carries out all-round detection to the backlight body on the fixed subassembly 4, wherein, moving mechanism 6 includes power unit 7 and translation mechanism 8, and power unit 7 sets up in the mounting groove 3 outside, and power unit 7 and translation mechanism 8 are fixed, and power unit 7 is used for driving translation mechanism 8 drive determine module 5 motion, and translation mechanism 8 installs on mounting groove 3.
In one embodiment of the present invention, during detection, the backlight body is placed on the upper surface of the fixing component 4, the fixing component 4 is rotated to compress and fix the backlight body and lock the fixing component 4, then the detection component 5 and the power mechanism 7 are opened, the power mechanism 7 can drive the detection component 5 to perform a left-right translational motion, and the detection component 5 can descend to tightly adhere to the backlight body on the fixing component 4, so that the backlight body can be detected in all directions.
As shown in fig. 1, as a preferred embodiment of the present invention, the fixing assembly 4 includes: the driving mechanism 41 is arranged on the base 1 and used for providing pressing power for the fixing component 4; a group of connecting rods 42, one end of which is connected with the driving mechanism 41 and can move towards two sides under the driving of the driving mechanism 41; a group of push rods 43 connected to the other end of the connecting rod 42 and penetrating through the support plate 2, the push rods 43 being slidable on the push rods 2; the pressing block 44 is fixed at one end of the group of push rods 43 close to each other and used for pressing and fixing the backlight source; a first elastic member 45 having one end fixed to the driving mechanism 41 for providing a buffer to the backlight body; and a placing plate 46 fixed to the other end of the first elastic member 45 for placing the backlight body.
In an embodiment of the present invention, when fixing the backlight body, the backlight body is first placed on the upper surface of the placing plate 46, then the driving mechanism 41 is operated, and under the driving of the driving mechanism 41, the two connecting rods 42 move close to each other, so as to drive the two pushing rods 43 to move close to each other along the supporting plate 2, and further drive the two pressing blocks 44 to move close to each other to compress the backlight body, and the first elastic element 45 can provide a buffer for the backlight body during detection, so as to prevent the detection assembly 5 from being damaged when approaching the backlight body.
In the present embodiment, in order to further ensure the stability of the push rod 43 during the movement, a spring may be fixed between the support plate 2 and the baffle of the push rod 43, and as a preferred embodiment, the spring may be screwed on the periphery of the push rod 43.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the driving mechanism 41 includes: a fixing groove 411 installed on the base 1; a rotation gear 412 installed in the fixing groove 411; a group of pushing racks 413 which are distributed on two sides of the rotating gear 412 and meshed with the rotating gear 412; one end of the sleeve is connected with the fixing groove 411, one end of the loop bar is sleeved on the other end of the sleeve 414, the loop bar 415 can slide in the sleeve 414, and the loop bar 415 is connected with a handle for control; a second elastic member 416 disposed inside the sleeve 414 and having two ends respectively connected to the sleeve 414 and the rod 415; and the locking rack 417 is fixedly connected with the other end of the loop bar 415.
In an embodiment of the present invention, when the pressing of the backlight body is performed, the handle on the sleeve 415 is pulled, the sleeve 415 moves inward along the sleeve 414 and compresses the second elastic member 416, at this time, the locking rack 417 and the rotating gear 412 are not engaged, which is the handle on the rotating gear 412, and the rotating gear 412 rotates to drive the two pushing racks 413 to move close to each other, thereby driving the connecting rod 42 to drive the pressing block 44 to press the backlight body.
In this embodiment, the shape of the connecting rod 42 may be L-shaped or circular arc, which is not limited herein as long as the pushing rod 43 can be driven to move.
As shown in fig. 1, as a preferred embodiment of the present invention, the detecting unit 5 includes: the power piece 51 is arranged outside the mounting groove 3, and an output shaft of the power piece passes through the mounting groove 3 and can rotate in the mounting groove 3; one end of the threaded column 52 is fixed with the output shaft of the power piece 51; the thread block 53 is sleeved on the thread column 52 in a threaded manner and forms a screw pair with the thread column 52 to rotate; one end of the sliding rod 54 is fixed with the thread block 53; the sliding block 55 is fixedly connected with the other end of the sliding rod 54; a sliding column 56, wherein the sliding block 55 is sleeved on the sliding column 56 in a sliding manner, and the sliding block 56 can slide on the sliding block 55; a moving block 57 slidably fitted over the strut 56; and a detector 58 fixed to the moving block 57 and detecting the backlight body on the backlight 4.
In an embodiment of the present invention, during detection, the power element 51 is turned on, the output shaft of the power element 51 drives the threaded post 52 to rotate, the threaded post 52 rotates to drive the threaded block 53 to move downward, the threaded block 53 moves downward to drive the slider 55 at one end of the sliding rod 54 to move downward along the sliding post 56, so as to ensure the stability of the downward movement of the sliding rod 54, and thus drive the moving block 57 and the detector 58 to move downward, so that the detector 58 is close to the backlight body, and the detection of the backlight body can be performed.
In this embodiment, the power member 51 may be a variety of devices, such as an electric motor or a hydraulic motor, as long as it can provide stable rotation power, and is not limited in particular.
As shown in fig. 1, as a preferred embodiment of the present invention, the power mechanism 7 includes: a guide bar 71 having one end connected to the mounting groove 3; a base 72 slidably fitted over the guide rod 71 and movable along the direction of the guide rod 71; one end of the pushing plate 73 is fixed with the base 72, and one side of the pushing plate is connected to the translation mechanism 8; a drive gear 74 connected to the base 72 via a rotary member, the drive gear 74 being an incomplete gear; and a guide rack 75 engaged with the driving gear 74 and on which the driving gear 74 is rotatable.
In an embodiment of the present invention, the driving gear 74 is turned on, and the driving gear 74 rotates along the guide rack 75 to make the base 72 move rightward along the guide rod 71, so that the translation mechanism 8 drives the detection assembly 5 to move rightward, and the backlight body can be detected in all directions, and when the driving gear 74 and the guide rack 75 are no longer meshed, the translation mechanism 8 can be reset under the action of the elastic force of the translation mechanism 8.
In the present embodiment, the translating mechanism 8 is not limited to the right-hand mechanism, and may be driven by a cam mechanism.
As shown in fig. 3, as a preferred embodiment of the present invention, the translation mechanism 8 includes: a reciprocating rack 81, one end of which is connected with the power mechanism 7 through a connecting rod and can reciprocate left and right under the action of the power mechanism 7; a reset piece 82 fixed between the baffle plate at the other end of the reciprocating rack 81 and the mounting groove 3; a reciprocating gear 83 engaged with the reciprocating rack 81 and installed on the installation groove 3; a rotating wheel 84 coaxially mounted on the reciprocating gear 83, the reciprocating gear 83 being located on one side of the rotating wheel 84; a rotating column 85 fixed on the periphery of the rotating wheel 84 and located on the other side of the rotating wheel 84; one end of the guide sleeve is hinged to the rotating column 85, one end of the guide column 87 is sleeved on the other end of the guide sleeve 86, and the other end of the guide column 87 is connected with the detection assembly 5.
In an embodiment of the present invention, under the driving of the power mechanism 7, the reciprocating rack 81 can drive the reciprocating gear 83 to rotate, the reciprocating gear 83 rotates to drive the rotating wheel 84 to rotate, the rotating wheel 84 rotates to drive the rotating post 85 to rotate, the rotating post 85 rotates to enable the guide sleeve 86 and the guide post 87 to drive the detector 58 to move rightward, the guide sleeve 86 and the guide post 87 can counteract the vertical component motion of the rotating wheel 84 during rotation, at this time, the reset piece 82 is elongated, the reset piece 82 is a reset spring, and when the power mechanism 7 loses power, the reciprocating rack 81 can drive the detector 85 to reset under the pushing of the reset piece 82.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A backlight source detection device comprises a backlight source body, and is characterized by comprising:
the supporting plates are distributed on two sides of the base, one end of each supporting plate is fixedly connected with the base, and the mounting groove is fixed at the other end of each supporting plate;
the fixing component is arranged on the base, can slide under the support of the supporting plate and is used for compressing and fixing the backlight source;
the detection assembly is arranged between the side plates at the two sides and is positioned at one side of the fixing assembly, which is far away from the bottom plate, and the detection assembly is fixedly connected with the mounting groove and is used for approaching the backlight body on the fixing assembly and detecting the backlight body;
the moving mechanism is installed on the mounting groove, the output end of the moving mechanism is fixed with the detection assembly, the moving mechanism is used for driving the detection assembly to conduct all-dimensional detection on the backlight body on the fixed assembly, the moving mechanism comprises a power mechanism and a translation mechanism, the power mechanism is arranged outside the mounting groove and fixed with the translation mechanism, the power mechanism is used for driving the translation mechanism to drive the detection assembly to move, and the translation mechanism is installed on the mounting groove.
2. The backlight detecting apparatus according to claim 1, wherein the fixing member comprises:
the driving mechanism is arranged on the base and used for providing pressing power for the fixing assembly;
the connecting rods are provided with a group, one ends of the connecting rods are connected with the driving mechanism and can move towards two sides under the driving of the driving mechanism;
the push rods are provided with a group, are connected to the other end of the connecting rod and penetrate through the supporting plate, and can slide on the push rods;
the pressing block is fixed at one end of the group of push rods, which is close to each other, and is used for pressing and fixing the backlight source;
one end of the first elastic piece is fixed on the driving mechanism and used for providing buffering for the backlight source body;
and the placing plate is fixed at the other end of the first elastic piece and used for placing the backlight body.
3. The backlight detecting apparatus according to claim 2, wherein the driving mechanism comprises:
the fixing groove is arranged on the base;
the rotating gear is arranged in the fixing groove;
the pushing racks are provided with a group and distributed on two sides of the rotating gear to be meshed with the rotating gear;
one end of the sleeve is connected with the fixing groove, one end of the loop bar is sleeved on the other end of the sleeve, the loop bar can slide in the sleeve, and the loop bar is connected with a handle for control;
the second elastic piece is arranged in the sleeve, and two ends of the second elastic piece are respectively connected with the sleeve and the loop bar;
and the locking rack is fixedly connected with the other end of the loop bar.
4. The backlight detecting device according to claim 1, wherein the detecting member comprises:
the power piece is arranged on the outer side of the mounting groove, and an output shaft of the power piece penetrates through the mounting groove and can rotate in the mounting groove;
one end of the threaded column is fixed with the output shaft of the power part;
the thread block is sleeved on the thread column in a threaded manner and forms a screw pair with the thread column to rotate;
one end of the sliding rod is fixed with the thread block;
the sliding block is fixedly connected with the other end of the sliding rod;
the sliding block is sleeved on the sliding column in a sliding manner and can slide on the sliding block;
the moving block is sleeved on the sliding column in a sliding manner;
and the detector is fixed with the moving block and used for detecting the backlight source body on the backlight source.
5. The backlight detecting device according to claim 1, wherein the power mechanism comprises:
one end of the guide rod is connected with the mounting groove;
the base is sleeved on the guide rod in a sliding manner and can move along the direction of the guide rod;
one end of the pushing plate is fixed with the base, and one side of the pushing plate is connected to the translation mechanism;
the driving gear is connected with the base through the rotating component and is an incomplete gear;
and the guide rack is meshed with the driving gear, and the driving gear can rotate on the guide gear.
6. The backlight detection apparatus of claim 1, wherein the translation mechanism comprises:
one end of the reciprocating rack is connected with the power mechanism through a connecting rod and can reciprocate left and right under the action of the power mechanism;
the resetting piece is fixed between the baffle plate at the other end of the reciprocating rack and the mounting groove;
the reciprocating gear is meshed with the reciprocating rack and is arranged on the mounting groove;
the rotating wheel is coaxially arranged on the reciprocating gear, and the reciprocating gear is positioned on one surface of the rotating wheel;
the rotating column is fixed on the periphery of the rotating wheel and is positioned on the other surface of the rotating wheel;
the detection device comprises a guide sleeve and a guide pillar, wherein one end of the guide sleeve is hinged with a rotating column, one end of the guide pillar is sleeved on the other end of the guide sleeve, and the other end of the guide pillar is connected with the detection assembly.
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| CN202110491978.2A CN113252311B (en) | 2021-05-06 | 2021-05-06 | Backlight source detection device |
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|---|---|---|---|
| CN202110491978.2A CN113252311B (en) | 2021-05-06 | 2021-05-06 | Backlight source detection device |
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| CN113252311A true CN113252311A (en) | 2021-08-13 |
| CN113252311B CN113252311B (en) | 2022-08-05 |
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Cited By (4)
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| CN113960821A (en) * | 2021-09-26 | 2022-01-21 | 深圳同兴达科技股份有限公司 | Direct type backlight source detection device and method for LED liquid crystal display screen |
| CN114877929A (en) * | 2021-11-13 | 2022-08-09 | 余玉敏 | Comprehensive hydrological water resource monitoring device |
| CN115047656A (en) * | 2022-06-13 | 2022-09-13 | 福建省南安市霞美电子设备厂 | LCD pressfitting machine |
| CN116593138A (en) * | 2023-07-19 | 2023-08-15 | 广州市虹烨光电有限公司 | Optical diffusion sheet detection equipment and detection method thereof |
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| CN116593138B (en) * | 2023-07-19 | 2023-09-19 | 广州市虹烨光电有限公司 | Optical diffusion sheet detection equipment and detection method thereof |
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