CN115236887B - Aging detection device for black-and-white liquid crystal display - Google Patents
Aging detection device for black-and-white liquid crystal display Download PDFInfo
- Publication number
- CN115236887B CN115236887B CN202210863998.2A CN202210863998A CN115236887B CN 115236887 B CN115236887 B CN 115236887B CN 202210863998 A CN202210863998 A CN 202210863998A CN 115236887 B CN115236887 B CN 115236887B
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- frame
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- sliding
- circuit board
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 230000032683 aging Effects 0.000 title claims abstract description 20
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 13
- 230000003028 elevating effect Effects 0.000 claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 13
- 238000007664 blowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The present invention relates to a detection device, and more particularly, to a black and white liquid crystal display aging detection device. A black-and-white liquid crystal display aging detection device capable of separately placing detected displays is provided. The utility model provides a black and white LCD ageing testing device, including installing frame, limiting plate, detect with circuit board, elevating system and placement machine construct, both sides all are connected with the limiting plate around the bottom in the installing frame, and sliding type is connected with between two limiting plates detects with the circuit board, is equipped with the elevating system who is used for removing the circuit board for detecting on the installing frame, is equipped with the placement machine construct that is used for placing the display on the installing frame. According to the invention, people can conveniently and separately place the detected displays through the placing plates, meanwhile, the detection circuit board can detect the displays, the detection circuit board moves downwards to prevent the detection circuit board from being damaged accidentally, the safety coefficient of the detection circuit board is improved, and the damage rate is reduced.
Description
Technical Field
The present invention relates to a detection device, and more particularly, to a black and white liquid crystal display aging detection device.
Background
The black-and-white liquid crystal display is a display with no color and only gray level change, and if the black-and-white liquid crystal display is used for too long, the phenomenon of interface blurring can occur, so that people need to detect the display in order to check whether the display has aging or not.
The application publication number CN201247352 discloses a liquid crystal display ageing detection device of multilayer list pull-out furnace gate, including furnace body, furnace gate and blowing drawer etc. a plurality of blowing drawers are located the furnace body, are equipped with the furnace gate at the tip of blowing drawer, during the use, put into the furnace body with the display that needs to detect, close the furnace gate afterwards, afterwards can detect the display, after the detection is accomplished, people take out the display can, this equipment can once only detect a large amount of displays, however this equipment is difficult to separately place the display that detects.
Thus, a black-and-white liquid crystal display aging detection device capable of separately placing the detected displays has been developed.
Disclosure of Invention
In order to overcome the defect that the detected display is difficult to be placed separately in the patent, the technical problem of the invention is that: a black-and-white liquid crystal display aging detection device capable of separately placing detected displays is provided.
The technical proposal is as follows: the utility model provides a black and white LCD ageing testing device, including installing frame, limiting plate, detect with circuit board, elevating system and placement machine construct, both sides all are connected with the limiting plate around the bottom in the installing frame, and sliding type is connected with between two limiting plates detects with the circuit board, is equipped with the elevating system who is used for removing the circuit board for detecting on the installing frame, is equipped with the placement machine construct that is used for placing the display on the installing frame.
Optionally, elevating system is including first connecting plate, the gyro wheel, gag lever post and sliding plate, both sides all are connected with four gag lever posts around the installing frame inner wall, sliding connection has the sliding plate between first gag lever post and the second gag lever post of front to back, also sliding connection has the sliding plate between third gag lever post and the fourth gag lever post of front to back, also sliding connection has the sliding plate between first gag lever post and the second gag lever post of back to front, also sliding connection has the sliding plate between third gag lever post and the fourth gag lever post of back to front, two sliding plate opposite directions of rear side are also opposite, two sliding plate directions of front side are also opposite, the circuit board downside is connected with first connecting plate, both sides all rotate around the first connecting plate diapire are connected with two gyro wheels, the gyro wheel contacts with the sliding plate respectively.
Optionally, place the mechanism including connecting block, adapter sleeve, place board and torsional spring, the symmetry is connected with the connecting block around the installation frame roof left and right sides all, all rotate on the connecting block and be connected with adapter sleeve, be connected with between two adapter sleeves on left side and place the board, also be connected with between two adapter sleeves on right side and place the board, all be connected with the torsional spring between the front and back both sides of adapter sleeve and connecting block, the torsional spring is all around rolling up on adapter sleeve.
Optionally, still including the tensile mechanism that is convenient for people to remove the sliding plate, tensile mechanism is including pulling frame, second connecting plate and fixed column, and both sides all slidingtype are connected with the pulling frame around the installing frame lower part, and one side that the pulling frame kept away from each other all is connected with the second connecting plate, and the sliding plate downside all is connected with the fixed column, and two fixed columns of front side all are connected with the pulling frame slidingtype of front side, and two fixed columns of rear side all are connected with the pulling frame slidingtype of rear side.
Optionally, still including being used for locking spacing locking mechanism to placing the board, locking mechanism is including first spacing, the locking piece, first spring and stir the frame, installation frame inner wall lower part left and right sides all is connected with two first spacing, all slidingtype on the first spacing is connected with the locking piece, the locking piece is connected with the installation frame slidingtype, the locking piece with place the board contact, all be connected with first spring between the one side that the locking piece of left and right sides is close to each other and the first spacing, the sliding plate downside all is connected with stirs the frame, stirs the frame and contacts with the locking piece respectively.
Optionally, still including being used for improving the firm mechanism of placing the board stability, firm mechanism is including link, fixture block and second spring, and installation frame roof left and right sides intermediate position all is connected with the link, all is connected with the fixture block in the slip type on the link, all is connected with the second spring between fixture block and the link downside, and the second spring is all around rolling up on the fixture block.
Optionally, still including being used for covering the protection machanism of protection to the inside installation frame, protection machanism is including guard plate, second spacing and supporting shoe, and installation frame inner wall upper portion left and right sides all is connected with the supporting shoe, and both sides all are connected with the second spacing around the installation frame roof, all slidingtype on the second spacing is connected with the guard plate, and the guard plate all contacts with the supporting shoe.
Optionally, the protection plates are provided with handles, so that people can conveniently move the protection plates.
The beneficial effects of the invention are as follows: 1. according to the invention, people can conveniently and separately place the detected displays through the placing plates, meanwhile, the detection circuit board can detect the displays, the detection circuit board moves downwards to prevent the detection circuit board from being damaged accidentally, the safety coefficient of the detection circuit board is improved, and the damage rate is reduced.
2. According to the invention, the sliding plates on the left side and the right side can move simultaneously by pulling the frame, so that people do not need to move the sliding plates by means of tools, the labor intensity of people can be reduced, and the working efficiency is improved.
3. According to the invention, the placing plate can be locked and limited through the locking block, so that people are not required to fix the placing plate by means of tools, and further, the placing plate can be prevented from being accidentally and automatically rotated and unfolded.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional perspective view of the present invention.
Fig. 3 is a schematic view of a partially cut-away perspective structure of the present invention.
Fig. 4 is a schematic view of a first perspective of the lifting mechanism of the present invention.
Fig. 5 is a schematic view of a second perspective structure of the lifting mechanism of the present invention.
Fig. 6 is a schematic perspective view of the placement mechanism of the present invention.
Fig. 7 is a schematic view showing a first perspective structure of the stretching mechanism of the present invention.
Fig. 8 is a schematic view of a second perspective of the stretching mechanism of the present invention.
Fig. 9 is a schematic perspective view of a locking mechanism according to the present invention.
Fig. 10 is a schematic view showing a partial perspective structure of the locking mechanism of the present invention.
Fig. 11 is a schematic view of a partial perspective structure of the present invention.
Meaning of reference numerals in the drawings: 1: mounting frame, 2: limiting plate, 3: detection circuit board, 4: lifting mechanism, 41: first connection plate, 42: roller, 43: stop lever, 44: slide plate, 5: placement mechanism, 51: connecting block, 52: coupling sleeve, 53: placing the plate, 54: torsion spring, 6: stretching mechanism, 61: pulling frame, 62: second connection plate, 63: fixing column, 7: locking mechanism, 71: first limit frame, 72: locking piece, 73: first spring, 74: toggle rack, 8: stabilizing mean, 81: a connecting frame, 82: clamping block, 83: second spring, 9: protection mechanism, 91: guard plate, 92: second spacing, 93: and a supporting block.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
The utility model provides a black and white LCD ageing testing device, as shown in fig. 1-3, including installing frame 1, limiting plate 2, detect with circuit board 3, elevating system 4 and placement machine constructs 5, both sides all weld limiting plate 2 around the diapire in the installing frame 1, be connected with detect with circuit board 3 between two limiting plates 2, limiting plate 2 can play spacing effect to detect with circuit board 3, detect with circuit board 3 can detect the display, be equipped with the elevating system 4 that is used for removing detect with circuit board 3 on the installing frame 1, be equipped with the placement machine constructs 5 that are used for placing the display on the installing frame 1.
As shown in fig. 2, 4 and 5, the lifting mechanism 4 includes a first connecting plate 41, rollers 42, a limiting rod 43 and a sliding plate 44, four limiting rods 43 are welded on the front side and the rear side of the inner wall of the mounting frame 1, the sliding plate 44 is connected between the first limiting rod 43 and the second limiting rod 43 from front to back, the sliding plate 44 is also connected between the third limiting rod 43 and the fourth limiting rod 43 from front to back, the sliding plate 44 is also connected between the first limiting rod 43 and the second limiting rod 43 from back to front, the sliding plate 44 is also connected between the third limiting rod 43 and the fourth limiting rod 43 from back to front, the directions of the two sliding plates 44 on the rear side are opposite, the two sliding plates 44 on the front side are also opposite, the limiting rods 43 can play a guiding limiting role on the sliding plate 44, the first connecting plate 41 is welded on the lower side of the detection circuit board 3, the two rollers 42 are respectively contacted with the rollers 42 on the front side and the rear side of the first connecting plate 41.
As shown in fig. 1, fig. 2 and fig. 6, the placement mechanism 5 includes a connection block 51, connection sleeves 52, placement plates 53 and torsion springs 54, the connection blocks 51 are symmetrically connected on the left side and the right side of the top wall of the installation frame 1, the connection sleeves 52 are rotationally connected on the connection blocks 51, the placement plates 53 are connected between the two connection sleeves 52 on the left side, the placement plates 53 are also connected between the two connection sleeves 52 on the right side, the placement plates 53 are used for placement of a display screen, torsion springs 54 are connected between the connection sleeves 52 and the front side and the rear side of the connection blocks 51, the torsion springs 54 are wound on the connection sleeves 52, and the torsion springs 54 can enable the connection sleeves 52 to rotate and reset.
When people need to detect the aging degree of the black-and-white liquid crystal display, the device can be used for realizing that the placing plate 53 is in a state of being propped against the placing plate by people by means of tools, the torsion spring 54 is twisted, firstly, people take away the tools, then the placing plate 53 rotates and expands upwards under the action of the torsion spring 54, then people support the placing plate 53 by means of the tools, then people move the sliding plates 44 on the left side and the right side close to each other by means of the tools, the sliding plates 44 on the left side and the right side move close to each other, the roller 42 is extruded to move upwards, the roller 42 moves upwards to drive the first connecting plate 41 and the detecting circuit board 3 to move upwards, then people sequentially place the displays on the detecting circuit board 3 for detection, then people distinguish the displays according to the detected quality of the displays and place the displays on the placing plates 53 on the left side and the right side, so can detect the ageing degree of the display, after finishing detecting, people will place the good display of detecting on the board 53 and accomodate, after finishing accomodating, people will keep away from each other with the help of instrument with the sliding plate 44 of left and right sides and remove each other, the sliding plate 44 of left and right sides keeps away from each other and removes and reset the gyro wheel 42 downward side, the gyro wheel 42 downward side removes and drives first connecting plate 41 and detection circuit board 3 to move downward side, so can prevent the unexpected damage that takes place for the detection circuit board 3 exposes to the external world when the device is not used, then people take away the instrument, then people will place the board 53 and rotate downward, torsion spring 54 is twisted at this moment, then people can accomodate this device and place through placing the board 53 repeatedly, the people of being convenient for separately place the detected display, detection circuit board 3 can detect the display simultaneously, and make the detection circuit board 3 move downwards and can prevent it from taking place unexpected damage, improve the factor of safety of detection circuit board 3, reduce the damage rate.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 2, 7 and 8, the device further comprises a stretching mechanism 6 for facilitating the movement of the sliding plate 44 by people, the stretching mechanism 6 comprises a pulling frame 61, a second connecting plate 62 and fixing columns 63, the pulling frame 61 is slidably connected to the front side and the rear side of the lower portion of the mounting frame 1, the second connecting plates 62 are respectively connected to the sides, away from each other, of the pulling frame 61, the second connecting plates 62 facilitate the movement of the pulling frame 61 by people, the fixing columns 63 are respectively connected to the lower side of the sliding plate 44, the two fixing columns 63 on the front side are respectively slidably connected to the pulling frame 61 on the front side, and the two fixing columns 63 on the rear side are respectively slidably connected to the pulling frame 61 on the rear side.
When people need to detect the display, firstly, people move the pulling frames 61 away from each other through the second connecting plate 62, the pulling frames 61 move away from each other so that the fixed columns 63 on the left side and the right side move close to each other, then the sliding plates 44 on the left side and the right side move close to each other, the display can be detected later, after the detection is finished, people move the pulling frames 61 close to each other through the second connecting plate 62, the pulling frames 61 move close to each other so that the fixed columns 63 on the left side and the right side move away from each other, then the sliding plates 44 on the left side and the right side move away from each other, the above operation is repeated, the sliding plates 44 on the left side and the right side can move simultaneously through the pulling frames 61, so that people do not need to move by means of tools, the labor intensity of people can be reduced, and the work efficiency is improved.
As shown in fig. 2, 9 and 10, the locking mechanism 7 for locking and limiting the placing plate 53 is further included, the locking mechanism 7 includes a first limiting frame 71, a locking block 72, a first spring 73 and a toggle frame 74, two first limiting frames 71 are welded on the left and right sides of the lower portion of the inner wall of the mounting frame 1, the first limiting frames 71 are slidably connected with the locking block 72, the first limiting frames 71 can play a guiding and limiting role on the locking block 72, the locking block 72 is slidably connected with the mounting frame 1, the locking block 72 is in contact with the placing plate 53, the locking block 72 can lock and limit the placing plate 53, a first spring 73 is connected between one side, close to each other, of the locking blocks 72 on the left and right sides and the first limiting frames 71, the first spring 73 can enable the locking block 72 to move and reset, the toggle frame 74 is connected with the lower side of the sliding plate 44, the toggle frame 74 is respectively in contact with the locking block 72, and the toggle frames 74 on the left and right sides are close to each other, so that the locking blocks 72 on the left and right sides are close to each other.
When people need to use the placing plate 53, initially, the placing plate 53 is in a locked state by the locking block 72, the torsion spring 54 is in a twisted state, firstly, when the sliding plates 44 on the left side and the right side are close to each other and move, the shifting frames 74 on the left side and the right side are driven to move close to each other by the mutual approaching movement, the locking block 72 on the left side and the right side are driven to move close to each other by the mutual approaching movement of the shifting frames 74 on the left side and the right side, at the moment, the first spring 73 is compressed, the first limiting frame 71 can play a guiding limiting role on the locking block 72, the locking block 72 on the left side and the right side are moved close to each other, so that the placing plate 53 is released, then the placing plate 53 rotates upwards under the action of the torsion spring 54, then people can use the placing plate 53 to place the display, when people do not need to use the placing plate 53, at this moment, the time, the torsion spring 54 is twisted, then when the placing plate 53 on the left side and the left side are kept away from each other and move away from each other, the shifting frames 74 on the left side and the right side are driven to move away from each other, then the shifting frames 74 on the left side and the left side are driven to move away from each other, the locking block 72 can be released, and then the placing plate 53 can be rotated by the locking block is prevented, and then the placing plate 53 can be rotated by the locking plate 53, and can be rotated by the unexpected, and the user can be rotated by the locking plate 53 by the locking plate and the locking plate 53 by the rotating to be rotated by the locking plate.
As shown in fig. 1, fig. 2 and fig. 11, the fixing mechanism 8 for improving the stability of the placing plate 53 is further included, the fixing mechanism 8 comprises a connecting frame 81, a clamping block 82 and a second spring 83, the connecting frame 81 is welded at the middle positions of the left side and the right side of the top wall of the mounting frame 1, the clamping block 82 is connected to the connecting frame 81 in a sliding mode, the placing plate 53 rotates to the upper side and contacts with the clamping block 82, the clamping block 82 can improve the stability of the placing plate 53, the second spring 83 is connected between the clamping block 82 and the lower side of the connecting frame 81, and the second spring 83 is wound on the clamping block 82, and the second spring 83 can enable the clamping block 82 to move and reset.
When people need to use the placing plate 53, first, when the placing plate 53 rotates to be unfolded at the upper side, the placing plate 53 rotates to be in contact with the clamping block 82, the clamping block 82 is extruded to move to the upper side, at the moment, the second spring 83 is compressed, when the placing plate 53 rotates to be at the horizontal position, the clamping block 82 is released, then the clamping block 82 moves to the lower side under the action of the second spring 83, the clamping block 82 is clamped into the placing plate 53, so that the placing plate 53 can be clamped, stability of the placing plate 53 can be improved, then people can use the placing plate 53, after the use is finished, people move the clamping block 82 to the upper side, at the moment, the second spring 83 is compressed, when the clamping block 82 is separated from the placing plate 53, people rotate the placing plate 53 to the lower side, then people release the clamping block 82 to move to be reset at the lower side under the action of the second spring 83, the clamping block 82 is clamped into the placing plate 53 through the clamping block 82, stability of the placing plate 53 can be improved, and further the placing plate 53 can be prevented from being automatically rotated to the lower side due to gravity of a display.
As shown in fig. 1, fig. 2 and fig. 11, the utility model discloses a protection device for the installation frame 1, still including the protection machanism 9 that is used for covering the protection to installation frame 1 inside, protection machanism 9 is including guard plate 91, second spacing 92 and supporting shoe 93, installation frame 1 inner wall upper portion left and right sides all is connected with supporting shoe 93, both sides all are connected with second spacing 92 around the installation frame 1 roof, all sliding connection has guard plate 91 on the second spacing 92, second spacing 92 can guard plate 91 play the spacing effect of direction, guard plate 91 all contacts with supporting shoe 93, supporting shoe 93 can play the supporting role to guard plate 91, guard plate 91 can play the covering protection to installation frame 1 inside, guard plate 91 all has the handle from having, people of being convenient for remove guard plate 91.
When people need to use this device, at first, people keep away from each other and remove to open guard plate 91, and the second spacing 92 can play the spacing effect of direction to guard plate 91, and later people can use this device to detect the display, after using, people are close to each other with guard plate 91 and remove to reset, and supporting shoe 93 can support guard plate 91, and repeated above operation can cover the protection to installing frame 1 inside through guard plate 91, and then can protect circuit board 3 for detection, prevents that circuit board 3 for detection from exposing in the air for a long time and damaging.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a black and white LCD ageing testing device, including installing frame (1), limiting plate (2) and circuit board (3) for detection, both sides all are connected with limiting plate (2) around the diapire in installing frame (1), sliding connection has circuit board (3) for detection between two limiting plates (2), characterized by still including elevating system (4) and placing mechanism (5), be equipped with elevating system (4) that are used for removing circuit board (3) for detection on installing frame (1), be equipped with placing mechanism (5) that are used for placing the display on installing frame (1);
the lifting mechanism (4) comprises a first connecting plate (41), rollers (42), limiting rods (43) and sliding plates (44), four limiting rods (43) are connected to the front side and the rear side of the inner wall of the mounting frame (1), the sliding plates (44) are connected between the first limiting rod (43) and the second limiting rod (43) from front to back in a sliding mode, the sliding plates (44) are also connected between the third limiting rod (43) and the fourth limiting rod (43) from front to back in a sliding mode, the sliding plates (44) are also connected between the first limiting rod (43) and the second limiting rod (43) from back to front in a sliding mode, the sliding plates (44) are also connected between the third limiting rod (43) and the fourth limiting rod (43) from back to front in a sliding mode, the directions of the two sliding plates (44) on the rear side are opposite, the first connecting plate (41) are also connected to the lower side of the detection circuit board (3), the front side and the rear side of the bottom wall of the first connecting plate (41) are both connected with the rollers (42) in a sliding mode, and the two sliding plates (44) are connected to the rollers (42) respectively;
placing mechanism (5) including connecting block (51), adapter sleeve (52), place board (53) and torsional spring (54), symmetry is connected with connecting block (51) around all in the top wall left and right sides of installing frame (1), all rotate on connecting block (51) and be connected with adapter sleeve (52), be connected with between two adapter sleeve (52) on left side and place board (53), also be connected with between two adapter sleeve (52) on right side and place board (53), all be connected with torsional spring (54) between the front and back both sides of adapter sleeve (52) and connecting block (51), torsional spring (54) all winds on adapter sleeve (52).
2. The aging detection device for a black-and-white liquid crystal display according to claim 1, further comprising a stretching mechanism (6) for facilitating movement of the sliding plate (44), wherein the stretching mechanism (6) comprises a pulling frame (61), a second connecting plate (62) and fixing columns (63), the pulling frame (61) is slidably connected to both sides of the lower portion of the mounting frame (1), the second connecting plate (62) is connected to one side of the pulling frame (61) away from each other, the fixing columns (63) are slidably connected to the lower side of the sliding plate (44), and the two fixing columns (63) on the front side are slidably connected to the pulling frame (61) on the front side, and the two fixing columns (63) on the rear side are slidably connected to the pulling frame (61) on the rear side.
3. The aging detection device for the black-and-white liquid crystal display according to claim 2, further comprising a locking mechanism (7) for locking and limiting the placing plate (53), wherein the locking mechanism (7) comprises a first limiting frame (71), locking blocks (72), first springs (73) and a toggle frame (74), two first limiting frames (71) are connected to the left side and the right side of the lower portion of the inner wall of the mounting frame (1), locking blocks (72) are connected to the first limiting frames (71) in a sliding mode, the locking blocks (72) are connected to the mounting frame (1) in a sliding mode, the locking blocks (72) are in contact with the placing plate (53), first springs (73) are connected between the side, close to each other, of the locking blocks (72) on the left side and the right side and the first limiting frames (71), the toggle frame (74) are connected to the lower side of the sliding plate (44), and the toggle frames (74) are respectively in contact with the locking blocks (72).
4. A black-and-white lcd aging detecting device as claimed in claim 3, further comprising a stabilizing mechanism (8) for improving stability of the placement plate (53), wherein the stabilizing mechanism (8) comprises a connecting frame (81), a clamping block (82) and a second spring (83), the connecting frame (81) is connected to middle positions of left and right sides of the top wall of the mounting frame (1), the clamping block (82) is connected to the connecting frame (81) in a sliding manner, a second spring (83) is connected between the clamping block (82) and the lower side of the connecting frame (81), and the second spring (83) is wound around the clamping block (82).
5. The black-and-white LCD aging detection device according to claim 4, further comprising a protection mechanism (9) for covering and protecting the inside of the mounting frame (1), wherein the protection mechanism (9) comprises a protection plate (91), a second limiting frame (92) and supporting blocks (93), the supporting blocks (93) are connected to the left side and the right side of the upper portion of the inner wall of the mounting frame (1), the second limiting frames (92) are connected to the front side and the rear side of the top wall of the mounting frame (1), the protection plate (91) is connected to the second limiting frames (92) in a sliding mode, and the protection plate (91) is contacted with the supporting blocks (93).
6. A black and white lcd aging test apparatus as claimed in claim 5, wherein the guard plates (91) are provided with handles for facilitating movement of the guard plates (91).
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| CN202210863998.2A CN115236887B (en) | 2022-07-21 | 2022-07-21 | Aging detection device for black-and-white liquid crystal display |
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| CN202210863998.2A CN115236887B (en) | 2022-07-21 | 2022-07-21 | Aging detection device for black-and-white liquid crystal display |
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| CN115236887B true CN115236887B (en) | 2024-01-26 |
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