CN209417462U - Liquid crystal display high/low temperature and illumination automatic detection device - Google Patents
Liquid crystal display high/low temperature and illumination automatic detection device Download PDFInfo
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- CN209417462U CN209417462U CN201920291512.6U CN201920291512U CN209417462U CN 209417462 U CN209417462 U CN 209417462U CN 201920291512 U CN201920291512 U CN 201920291512U CN 209417462 U CN209417462 U CN 209417462U
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Abstract
The utility model relates to a kind of display detection device, especially liquid crystal display high/low temperatures and illumination automatic detection device, signal generator to connect with liquid crystal display, further include detection bottom plate；High-low temperature chamber is mounted on detection bottom plate, and liquid crystal display is placed in high-low temperature chamber；Detection mobile device is fixed on detection bottom plate；Rotating device is fixed in detection mobile device；Angular adjustment apparatus is fixed on the spinning device；It detects cover board and is equipped with reflection groove, and the center for detecting cover board is overlapped with the inspection center of liquid crystal display；Light source is fixed therein on an angular adjustment apparatus, and telecentric lens are fixed on another angular adjustment apparatus, and telecentric lens and light source are adjusted the angle around the inspection center of liquid crystal display, and telecentric lens are connect with optical gauge.The apparatus structure is simple, accuracy easy to use, can effectively ensure that detection, detection angle range is big, detection efficiency is high and the test environment of high/low temperature is provided separately.
Description
Technical field
The utility model relates to a kind of display detection device, especially liquid crystal display high/low temperature and illumination to detect automatically
Device.
Background technique
Either production or life in liquid crystal display use it is more and more wider, liquid crystal display it is many kinds of, but
It is no matter which kind of liquid crystal display all suffers from a problem, visibility when being used under light environment.At present to light environment
The detection of lower liquid crystal display is mostly to be detected under the irradiation of fluorescent lamp using optical detecting instrument, due to being manually to examine
It surveys, detection is limited in scope, and can only detect the reflection and irreflexive situation of fixed several angles, and detect different angle
When need replacing unused angle clip, detection efficiency is poor, and detection range is smaller, and detect accuracy it is poor.
Liquid crystal display is also required in high temperature or low temperature there is also using under high temperature or low temperature environment
The detection of optical property is carried out under environment, and high temperature or low temperature are larger to optical detecting instrument damage, will lead to service life contracting
It is short, and will affect detection accuracy.
Utility model content
To solve the above problems, the utility model provides a kind of accuracy that can effectively ensure that detection, detection angles model
Enclose that big, detection efficiency is high and can be individually for liquid crystal display provide high/low temperature test environment liquid crystal display high/low temperature and
Illumination automatic detection device, the specific technical proposal is:
Liquid crystal display high/low temperature and illumination automatic detection device, including optical gauge and signal generator, it is described
Signal generator is connect with liquid crystal display, further includes detection bottom plate；The high and low temperature test case, the high and low temperature test case are mounted on
It detects on bottom plate, the liquid crystal display is placed in the high and low temperature test case；Mobile device is detected, the detection mobile device is solid
It is scheduled on detection bottom plate；Rotating device, the rotating device are fixed in detection mobile device；Angular adjustment apparatus, the angle
Degree adjustment device is fixed on the spinning device, and there are two angular adjustment apparatus sets, the angular adjustment apparatus is located at high/low temperature
The top of case；Cover board is detected, the detection cover board is equipped with reflection groove, and reflection groove passes through the center of detection cover board, the inspection
It surveys on cover board installation rotating device, the detection cover board is located at the top of liquid crystal display, and detects center and the liquid crystal of cover board
The inspection center of display is overlapped；Light source, the light source are fixed therein on an angular adjustment apparatus, the axis of the light source
It is overlapped with the inspection center of liquid crystal display, and the axis of light source is parallel with reflection groove, inspection of the light source around liquid crystal display
Measured center adjusts the angle；And telecentric lens, the telecentric lens are fixed on another angular adjustment apparatus, the telecentric lens
Axis be overlapped with the inspection center of liquid crystal display, and the axis of telecentric lens is parallel with reflection groove, the telecentric lens around
The inspection center of liquid crystal display adjusts the angle, and the telecentric lens are connect with optical gauge.
By using above-mentioned technical proposal, the detection zone that the reflection groove on cover board is used to leak out liquid crystal display is detected,
Detection cover board avoids the mirror-reflection of entire liquid crystal display surface and diffusing reflection from influencing detection for blocking liquid crystal display
Accuracy, i.e., the region that entire liquid crystal display only has reflection groove to leak out are able to carry out illumination detection, effectively increase detection
Accuracy reduces interference.
Liquid crystal display is connect with signal generator, and signal generator controls the display of liquid crystal display.Liquid crystal display
The inspection center of " ten " word can be shown in the state lighted when detection, and on liquid crystal display, with this inspection when detection
Measured center is test point.The center of detection cover board is overlapped with the inspection center of liquid crystal display, so that reflection groove be made to be at
Correctly detection position.
Angular adjustment apparatus is used to adjust the angle between light source and telecentric lens and liquid crystal display, to realize 0-
90 ° of detection at any angle, and no replacement is required detection fixture, greatly improve detection angles range and detection effect
Rate.
Since the angle of light source is also adjustable, the liquid crystal between 0-90 ° under any angle irradiation can be simulated
Show the optical property of device.
When carrying out mirror-reflection detection, light source and telecentric lens mirror symmetry are located at the two of liquid crystal display inspection center
Side, and angle is rotated synchronously, to guarantee to carry out mirror-reflection detection.
When carrying out diffusing reflection detection, light source and telecentric lens can free set angles.
Optical instrument includes spectrum color luminance meter, imaging color luminance meter etc..
Detection mobile device is for driving light source and telecentric lens to be moved from the test point for moving liquid crystal display.
The rotation that rotating device drives light source and telecentric lens to be 0-360 ° around the inspection center of liquid crystal display, Neng Goujin
The measurement at row Omnibearing visual angle, and rotation center is constant, greatly improves detection efficiency.
Preferably, the angular adjustment apparatus includes arc-shaped guide rail seat, and the arc-shaped guide rail seat is fixed on detection cover board,
And it is symmetrically positioned in the two sides of reflection groove；
Arc-shaped rack guide rail, the arc-shaped rack guide rail are fixed on arc-shaped guide rail seat, the arc-shaped rack guide rail and anti-
It is parallel to penetrate slot；Directive wheel, the directive wheel are V-arrangement directive wheel, and the directive wheel is mounted on the two sides of arc-shaped rack guide rail；Rotation
Seat, the rotation seat are fixed on directive wheel；Rotary electric machine, the rotary electric machine are fixed on rotation seat；Rotate gear, it is described
Rotate gear is fixed on rotary electric machine, and rotate gear is engaged with the rack gear on arc-shaped rack guide rail；And attachment base, the company
Joint chair is mounted on rotation seat, is respectively provided with light source and telecentric lens on the attachment base.
By using above-mentioned technical proposal, arc-shaped rack guide rail and directive wheel are existing mature technology, be can be realized
It is moved around the center of circle, to realize the adjusting of angle.
Rotation seat realizes the adjustment of angle by rotate gear and rack gear, and servo motor, servo motor control can be used in motor
Precision processed is high, can be improved the accuracy of detection.
Arc-shaped guide rail seat is fanning strip or fan annular slab, and the round angle of arcuate guide seat is 180 °.Fanning strip or fan annular
Plate can effectively reduce the weight of arc-shaped guide rail seat, mitigate overall weight, and easy to process.
It preferably, further include mirror-reflection semi-integral ball and diffusing reflection semi-integral ball, in the mirror-reflection semi-integral ball
Equipped with full detection slot, the full detection slot runs through mirror-reflection semi-integral ball, and full detection slot passes through mirror-reflection semi-integral ball
Center, the full detection slot matches with reflection groove, and the mirror-reflection semi-integral ball is fixed on detection cover board；It is described unrestrained
It reflects semi-integral ball and is equipped with half detection slot, half detection slot is arranged along the spherical surface of diffusing reflection semi-integral ball, and described half detects
Slot extends to the center of diffusing reflection semi-integral ball from the edge of diffusing reflection semi-integral ball, and the central angle of half detection slot is 90 °,
The diffusing reflection semi-integral ball is corresponding with reflection groove, and the diffusing reflection semi-integral ball is fixed on detection cover board；It is described unrestrained anti-
It penetrates in semi-integral ball and is also equipped with diffusing reflection light source.
By using above-mentioned technical proposal, mirror-reflection semi-integral ball is changed into diffusing reflection half product when carrying out diffusing reflection detection
Bulb separation.In order to reduce the influence that environment light source detects diffusing reflection, therefore it will test the half that slot is arranged to mirror surface detection slot, both
It is able to satisfy the detection at 0-85 ° of visual angle, can also effectively reduce the influence of environment light.Diffusing reflection light source is mounted on diffusing reflection semi-integral ball
It is interior, it is capable of forming uniform illumination, realizes comprehensive diffusing reflection.
Mirror-reflection semi-integral ball can be improved the uniform illumination of light, to improve the accuracy of measurement.
It preferably, further include spectroscope, the spectroscope is mounted on telecentric lens；Eyepiece, the eyepiece are fixed on point
On light microscopic；One end of fibre-optical probe, the fibre-optical probe is connect with eyepiece, and the other end is connect with optical instrument；And CCD camera,
The CCD camera is connect with spectroscope.
By using above-mentioned technical proposal, spectroscope realizes that the reflected light of detection is transferred to optical instrument and CCD phase respectively
Machine.CCD camera is used for the inspection center against liquid crystal display, and when telecentric lens are vertical with liquid crystal display, CCD camera is logical
" ten " word can be amplified by crossing telecentric lens, to conveniently find the inspection center of liquid crystal display accurately, the axis of light source is effectively ensured
It is overlapped with the inspection center of liquid crystal display with the axis of telecentric lens.The cross searching of CCD camera and liquid crystal display
Position can be realized to just in cross searching coincidence, and positioning is convenient, accurate.
It preferably, further include time response probe, the time response probe is fixed on angular adjustment apparatus, and the time
Response probe is fixed on same angular adjustment apparatus with light source, and the time response pops one's head in against in the detection of liquid crystal display
The heart；And time responsor, the time probe are connect with time response device.
By using above-mentioned technical proposal, time response probe is also fibre-optical probe, and time response device and time response are visited
Head is used for the response time of detection LCD monitor, to realize a variety of detections, improves detection efficiency, reduces testing cost.
It preferably, further include floating installation, the floating installation includes floating seat, and the floating seat is fixed on angle adjustment
On device；Floating lever, the floating lever activity are inserted on floating seat, and one end of the floating lever is equipped with stop collar, and the other end is solid
Be scheduled on detection cover board on, the floating seat be located at detection cover board and stop collar between, and floating seat and detection cover board between there are
Gap；
Spring, the spring are actively set on floating lever, and one end of spring is pressed on love floating seat, and the other end is pressed in inspection
It surveys on cover board, the spring is for making to detect cover board far from floating seat.
By using above-mentioned technical proposal, floating installation plays the work of buffering when detecting cover board and pressing to liquid crystal display
With making to detect between cover board and liquid crystal display is Elastic Contact, avoids damaging liquid crystal display by pressure.
Preferably, the detection mobile device includes longitudinal straight line mould group, and the longitudinal direction straight line mould group is fixed on detection bottom
On plate；Lateral straight line mould group, the transverse direction straight line mould group are fixed on the slide unit of longitudinal straight line mould group；And vertical lines mould group,
The vertical lines mould group is fixed on the slide unit of lateral straight line mould group；The rotating device is fixed on the cunning of vertical lines mould group
On platform.
By using above-mentioned technical proposal, longitudinal straight line mould group, lateral straight line mould group and vertical lines mould group realize X, Y and
The movement in tri- directions Z, longitudinal straight line mould group and lateral straight line mould group, which facilitate, is moved to liquid crystal display for light source and telecentric lens
The top of the inspection center of device, and it is opposite with the inspection center of liquid crystal display, and vertical straight line mould group facilitates reflective optic to examine
The position that device is moved close to liquid crystal display is surveyed, consequently facilitating detection.
Preferably, the rotating device includes rotating seat, and the rotating seat is fixed in detection mobile device；Turbine and worm
Speed reducer, the turbine worm reducer are fixed on rotating seat, and the turbine is connect with angle rotating device；And electric rotating
Machine, the rotating electric machine is fixed on turbine worm reducer, and is connect with worm screw.
By using above-mentioned technical proposal, turbine worm reducer stable drive, and the sky of short transverse can be saved
Between, make compact-sized.
Preferably, the high and low temperature test case includes shell；Liner, the liner are fixed on the inside of shell；Cover board frame,
The cover board frame is fixed on cover top portion, cover board frame sealing inner container, and the cover board frame is equipped with slot cover；Seal cover board, it is described
Seal cover board activity is placed in slot cover, and the seal cover board is equipped with circular detection hole, and the detection hole and detection are covered
Plate matches；Air inlet pipe, the air inlet pipe is fixed on the side of shell, and communicates with liner, the air inlet pipe by pipeline with
The gas outlet of high-low temperature chamber connects；And display fastening rods, the display fastening rods are mounted on the bottom of liner.
By using above-mentioned technical proposal, high-low temperature chamber is existing matured product, will be in high-low temperature chamber by blower
Cold air or hot-air are blown in the high and low temperature test case, carry out the simulation of environment temperature, since the requirement of environment temperature is lower, because
This this mode is able to satisfy test request.The high and low temperature test case simplifies structure, without will test mobile device, light source, telecentricity
Camera lens etc. is placed into high low environment, is reduced the influence of high/low temperature optical detection apparatus, is prolonged the service life, also reduce equipment
Cost.Cold air or hot-air enter in liner from air inlet pipe, inspection of the air in the high and low temperature test case from seal cover board
Gaging hole leaves, to realize that the temperature of the warm test box of height rises or falls.It is also placed with temp probe in the high and low temperature test case,
Temp probe detects the temperature in liner, to control the unlatching of blower in high-low temperature chamber.
Preferably, further include cabinet, door is equipped with before the cabinet, the inside of the cabinet is darkroom；The detection
Bottom plate is fixed in cabinet.
By using above-mentioned technical proposal, cabinet can reduce influence of the environment light to detection, to improve the standard of detection
True property and reliability, and protection can be played the role of.
Compared with prior art the utility model has the following beneficial effects:
Liquid crystal display high/low temperature and illumination automatic detection device structure provided by the utility model be simple, it is easy to use,
High degree of automation can effectively ensure that the accuracy of detection, detection angle range are big, detection efficiency is high and can be individually for liquid
The test environment of crystal display offer high/low temperature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid crystal display high/low temperature and illumination automatic detection device；
Fig. 2 is the structural schematic diagram after liquid crystal display high/low temperature and illumination automatic detection device removal cabinet；
Fig. 3 is the front view of rotating device and angular adjustment apparatus assembly；
Fig. 4 is the axonometric drawing of rotating device and angular adjustment apparatus assembly；
Fig. 5 is the axonometric drawing for detecting the assembly of cover board, angular adjustment apparatus, light source and telecentric lens；
Fig. 6 is the top view for detecting the assembly of cover board, angular adjustment apparatus, light source and telecentric lens；
Fig. 7 is the structural schematic diagram of telecentric lens；
Fig. 8 is the structural schematic diagram of floating installation；
Fig. 9 is the structural schematic diagram of the high and low temperature test case；
Figure 10 is the top view of the high and low temperature test case；
Figure 11 is mirror-reflection semi-integral ball；
Figure 12 is diffusing reflection semi-integral ball.
Specific embodiment
Now in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figures 1 to 12, liquid crystal display high/low temperature and illumination automatic detection device, including optical gauge and
Signal generator, signal generator are connect with liquid crystal display 10, further include detection bottom plate 12；High-low temperature chamber, high-low temperature chamber peace
On detection bottom plate 12, liquid crystal display 10 is placed in high-low temperature chamber；Mobile device is detected, detection mobile device is fixed on
It detects on bottom plate 12；Rotating device, rotating device are fixed in detection mobile device；Angular adjustment apparatus, angular adjustment apparatus
It is fixed on the spinning device, and there are two angular adjustment apparatus sets, angular adjustment apparatus is located at the top of high-low temperature chamber；Detection lid
Plate 31, detection cover board 31 is equipped with reflection groove 311, and reflection groove 311 passes through the center of detection cover board 31, and detection cover board 31 is installed
On the spinning device, detection cover board 31 is located at the top of liquid crystal display 10, and detects center and the liquid crystal display of cover board 31
10 inspection center is overlapped；Angular adjustment apparatus, angular adjustment apparatus is fixed on detection cover board 31, and angular adjustment apparatus is set
There are two；Light source 61, light source 61 are fixed therein on an angular adjustment apparatus, axis and the liquid crystal display 10 of light source 61
Inspection center is overlapped, and the axis of light source 61 is parallel with reflection groove 311, and light source 61 is adjusted around the inspection center of liquid crystal display 10
Angle；And telecentric lens 51, telecentric lens 51 are fixed on another angular adjustment apparatus, the axis and liquid crystal of telecentric lens 51
The inspection center of display 10 is overlapped, and the axis of telecentric lens 51 is parallel with reflection groove 311, and telecentric lens 51 are around liquid crystal display
The inspection center of device 10 adjusts the angle, and telecentric lens 51 are connect with optical gauge.
Reflection groove 311 on detection cover board 31 is used to leak out the detection zone of liquid crystal display 10, and detection cover board 31 is used for
Liquid crystal display 10 is blocked, the mirror-reflection on entire 10 surface of liquid crystal display and diffusing reflection is avoided to influence the accuracy of detection,
The region that i.e. entire liquid crystal display 10 only has reflection groove 311 to leak out is able to carry out illumination detection, effectively increases the standard of detection
True property reduces interference.
Liquid crystal display 10 is connect with signal generator, and signal generator controls the display of liquid crystal display 10.Liquid crystal
The inspection center of " ten " word can be shown in the state lighted, and on liquid crystal display 10 by showing when device 10 detects, when detection
Using this inspection center as test point.The center of detection cover board 31 is overlapped with the inspection center of liquid crystal display 10, to make anti-
It penetrates slot 311 and is at correctly detection position.
Angular adjustment apparatus is used to adjust the angle between light source 61 and telecentric lens 51 and liquid crystal display 10, thus real
Existing 0-90 ° of detection at any angle, and no replacement is required detection fixture, greatly improve the range and detection of detection angles
Efficiency.
Since the angle of light source 61 is also adjustable, the liquid crystal between 0-90 ° under any angle irradiation can be simulated
The optical property of display 10.
When carrying out mirror-reflection detection, light source 61 and 51 mirror symmetry of telecentric lens are located in the detection of liquid crystal display 10
The two sides of the heart, and angle is rotated synchronously, to guarantee to carry out mirror-reflection detection.
When carrying out diffusing reflection detection, light source 61 and telecentric lens 51 can free set angles.
Optical instrument includes spectrum color luminance meter, imaging color luminance meter etc..
Detection mobile device is for driving light source 61 and telecentric lens 51 to be moved from the test point for moving liquid crystal display 10.
The rotation that rotating device drives light source 61 and telecentric lens 51 to be 0-360 ° around the inspection center of liquid crystal display 10,
It is able to carry out the measurement at Omnibearing visual angle, and rotation center is constant, greatly improves detection efficiency.
Specifically, as shown in Figures 3 to 6, angular adjustment apparatus includes arc-shaped guide rail seat 41, and arc-shaped guide rail seat 41 is fixed on
It detects on cover board 31, and is symmetrically positioned in the two sides of reflection groove 311；Arc-shaped rack guide rail 42, arc-shaped rack guide rail 42 are fixed on arc
On shape track base 41, arc-shaped rack guide rail 42 is parallel with reflection groove 311；Directive wheel 43, directive wheel 43 are V-arrangement directive wheel, guiding
Wheel 43 is mounted on the two sides of arc-shaped rack guide rail 42；Rotation seat 45, rotation seat 45 are fixed on directive wheel 43；Rotary electric machine 46,
Rotary electric machine 46 is fixed on rotation seat 45；Rotate gear 44, rotate gear 44 is fixed on rotary electric machine 46, and rotate gear
44 engage with the rack gear on arc-shaped rack guide rail 42；And attachment base 47, attachment base 47 are mounted on rotation seat 45, on attachment base 47
It is respectively provided with light source 61 and telecentric lens 51.
Arc-shaped rack guide rail 42 and directive wheel 43 are existing mature technology, can be realized and are moved around the center of circle, from
And realize the adjusting of angle.
Rotation seat 45 realizes the adjustment of angle by rotate gear 44 and rack gear, and servo motor, servo electricity can be used in motor
Machine controls precision height, can be improved the accuracy of detection.
Arc-shaped guide rail seat 41 is fanning strip or fan annular slab, and the round angle of arcuate guide seat is 180 °.Fanning strip or fan ring
Shape plate can effectively reduce the weight of arc-shaped guide rail seat 41, mitigate overall weight, and easy to process.
It as shown in figure 11, further include mirror-reflection semi-integral ball 32, mirror-reflection semi-integral ball 32 is equipped with full detection slot
321, full detection slot 321 runs through mirror-reflection semi-integral ball 32, and full detection slot 321 passes through in mirror-reflection semi-integral ball 32
The heart, full detection slot 321 match with reflection groove 311, and mirror-reflection semi-integral ball 32 is fixed on detection cover board 31.Mirror-reflection
Semi-integral ball 32 can be improved the uniform illumination of light, to improve the accuracy of measurement.
It as shown in figure 12, further include diffusing reflection semi-integral ball 33, diffusing reflection semi-integral ball 33 is equipped with half detection slot 331,
Half detection slot 331 is arranged along the spherical surface of diffusing reflection semi-integral ball 33, and half detection slot 331 is prolonged from the edge of diffusing reflection semi-integral ball 33
The center of diffusing reflection semi-integral ball 33 is extended to, the central angle of half detection slot 331 is 90 °, diffusing reflection semi-integral ball 33 and reflection groove
311 is corresponding, and diffusing reflection semi-integral ball 33 is fixed on detection cover board；And diffusing reflection light source, diffusing reflection light source are mounted on unrestrained anti-
It penetrates in semi-integral ball 33.
Semi-integral ball is the cavity hemisphere that an inner wall is coated with diffusive white reflective material, is existing matured product.
Full detection slot 321 and half detection slot 331 are parallel with reflection groove 311, and face reflection groove 311, full detection slot
321 central angle is 180 °.
Mirror-reflection semi-integral ball 32 is changed into diffusing reflection semi-integral ball 33 when carrying out diffusing reflection detection.In order to reduce environment
The influence that light source detects diffusing reflection, therefore half detection slot 331 is arranged to the half of full detection slot 321, both it is able to satisfy 0-85 °
The detection at visual angle can also effectively reduce the influence of environment light.Diffusing reflection light source is mounted in diffusing reflection semi-integral ball 33, being capable of shape
At uniform illumination, comprehensive diffusing reflection is realized.
Mirror-reflection semi-integral ball is changed into diffusing reflection semi-integral ball when carrying out diffusing reflection detection.In order to reduce environment light source
Influence to diffusing reflection detection, therefore will test the half that slot is arranged to mirror surface detection slot, both it is able to satisfy the inspection at 0-85 ° of visual angle
It surveys, can also effectively reduce the influence of environment light.Diffusing reflection light source is mounted in diffusing reflection semi-integral ball, is capable of forming uniform light
According to realizing comprehensive diffusing reflection.
As shown in fig. 7, further including spectroscope 52, spectroscope 52 is mounted on telecentric lens 51；Eyepiece 52, eyepiece 52 are fixed
On spectroscope 52；One end of fibre-optical probe 54, fibre-optical probe 54 is connect with eyepiece 52, and the other end and optics instrument measuring appliance connect
It connects；And CCD camera 55, CCD camera 55 are connect with spectroscope 52.
Spectroscope 52 realizes that the reflected light of detection is transferred to optical instrument and CCD camera 55 respectively.CCD camera 55 for pair
The inspection center of liquid crystal display 10, when telecentric lens 51 are vertical with liquid crystal display 10, CCD camera 55 passes through telecentric mirror
First 51 can amplify " ten " word, to conveniently find the inspection center of liquid crystal display 10 accurately, be effectively ensured light source 61 axis and
The axis of telecentric lens 51 is overlapped with the inspection center of liquid crystal display 10.The cross searching of CCD camera 55 and liquid crystal display
Position can be realized to just in the cross searching coincidence of device 10, and positioning is convenient, accurate.
It further include time response probe 63, time response probe 63 is mounted on angular adjustment apparatus by fixing seat 62 of popping one's head in
Attachment base 47 on, and time response probe 63 is fixed on same a connecting seat 47 with light source 61, and time response probe 63 is opposite
The inspection center of liquid crystal display 10；And time responsor, time probe are connect with time response device.Time response probe 63
For fibre-optical probe, the response time of time response device and time response probe 63 for detection LCD monitor 10, to realize
A variety of detections improve detection efficiency, reduce testing cost.
As shown in figure 8, further including floating installation, floating installation includes floating seat 71, and floating seat 71 is fixed on arc-shaped guide rail
On seat 41, floating seat 71 is equipped with stepped hole；Floating lever 72,72 activity of floating lever are inserted in the stepped hole of floating seat 71, are floated
One end of bar 72 is equipped with stop collar 73, and the other end is fixed on detection cover board 31, and floating seat 71 is located at detection cover board 31 and limit
Between ring 73, and there are gaps between floating seat 71 and detection cover board 31；Spring 74, spring 74 are actively set on floating lever 72,
And one end of spring 74 is pressed on love floating seat 71, the other end is pressed on detection cover board 31, and spring 74 detects cover board 31 for making
Far from floating seat 71.
Floating installation plays the role of buffering when detecting cover board 31 and pressing to liquid crystal display 10, makes to detect cover board 31 and liquid
It is Elastic Contact between crystal display 10, avoids damaging liquid crystal display 10 by pressure.
Light source 61 is coaxial light source.Coaxial light source provides the illumination than conventional light source more evenly, therefore improves visual angle
The accuracy of detection.
As depicted in figs. 1 and 2, detection mobile device includes longitudinal straight line mould group 14, and longitudinal straight line mould group 14 passes through bracket
Seat is fixed on detection bottom plate 12；Lateral straight line mould group 15, lateral straight line mould group 15 are fixed on the slide unit of longitudinal straight line mould group 14
On；And vertical lines mould group 16, vertical lines mould group 16 are fixed on the slide unit of lateral straight line mould group 15；Rotating seat 21 passes through company
Fishplate bar 28 is fixed on the slide unit of vertical lines mould group 16.Longitudinal straight line mould group 14, lateral straight line mould group 15 and vertical lines mould
Group 16 realizes the movement in tri- directions X, Y and Z, and longitudinal straight line mould group 14 and lateral straight line mould group 15 facilitate light source 61 and telecentricity
Camera lens 51 is moved to the top of the inspection center of liquid crystal display 10, and opposite with the inspection center of liquid crystal display 10, vertically
Straight line mould group 16 facilitates light source 61 and telecentric lens 51 to be moved close to the position of liquid crystal display 10, consequently facilitating detection.
Rotating device includes rotating seat 21, the bottom of 21 fixed connecting plate 28 of rotating seat, and connecting plate 28 is fixed on vertical straight
On the slide unit of line mould group 16；Turbine worm reducer 22, turbine worm reducer 22 are fixed on rotating seat 21, and turbine passes through company
Extension bar 23 is connect with rotating bracket 24；And rotating electric machine, rotating electric machine are fixed on turbine worm reducer 22, and are connected with worm screw
It connects.Rotating electric machine drives turbine to turn by worm screw, and turbine drives rotating bracket 24 to rotate by connecting rod 23,24 band of rotating bracket
Dynamic detection cover board 31, telecentric lens 51 and light source 61 are rotated around the inspection center of liquid crystal display 10, usually one circle of rotation, are realized
Comprehensive optical detection.22 stable drive of turbine worm reducer, and the space of short transverse can be saved, keep structure tight
It gathers.
As shown in Figure 9 and Figure 10, the high and low temperature test case includes shell 81；Liner 82, liner 82 are fixed on the interior of shell 81
Portion；Cover board frame 84, cover board frame 84 are fixed on 81 top of shell, 84 sealing inner container 82 of cover board frame, and cover board frame 84 is equipped with slot cover
841；Seal cover board 86,86 activity of seal cover board are placed in slot cover 841, and seal cover board 86 is equipped with circular detection hole
861, detection hole 861 matches with detection cover board 31；Air inlet pipe 83, air inlet pipe 83 are fixed on the side of shell 81, and and liner
82 communicate, and air inlet pipe 83 is connected by the gas outlet of pipeline and high-low temperature chamber；And display fastening rods 85, display fastening rods 85
It is mounted on the bottom of liner 82.The two sides of cover board frame 84 are equipped with limit plate 87, and seal cover board 86 is limited in cover board by limit plate 87
In slot 841.
High-low temperature chamber be existing matured product, by blower by high-low temperature chamber cold air or hot-air blow to height
In warm test box, the simulation of environment temperature is carried out, since the requirement of environment temperature is lower, this mode is able to satisfy test and wants
It asks.The high and low temperature test case simplifies structure, is placed into height ring without will test mobile device, light source 61, telecentric lens 51 etc.
In border, the influence of high/low temperature optical detection apparatus is reduced, prolongs the service life, also reduces the cost of equipment.Cold air or heat
Air enters in liner 82 from air inlet pipe 83, and the air in the high and low temperature test case leaves from the detection hole 861 of seal cover board 86,
To realize that the temperature of the warm test box of height rises or falls.Temp probe, temp probe are also placed in the high and low temperature test case
The temperature in liner 82 is detected, to control the unlatching of blower in high-low temperature chamber.
As shown in Figure 1, further including cabinet 11, door is equipped with before cabinet 11, the inside of cabinet 11 is darkroom；Detect bottom plate
12 are fixed in cabinet 11.Cabinet 11 can reduce influence of the environment light to detection, to improve the accuracy of detection and reliable
Property, and protection can be played the role of.
Claims (10)
1. liquid crystal display high/low temperature and illumination automatic detection device, including optical gauge and signal generator, the letter
Number generator is connect with liquid crystal display, which is characterized in that further includes
Detect bottom plate；
The high and low temperature test case, the high and low temperature test case are mounted on detection bottom plate, and the liquid crystal display is placed on high/low temperature
In test box；
Mobile device is detected, the detection mobile device is fixed on detection bottom plate；
Rotating device, the rotating device are fixed in detection mobile device；
Angular adjustment apparatus, the angular adjustment apparatus is fixed on the spinning device, and there are two angular adjustment apparatus sets, described
Angular adjustment apparatus is located at the top of high-low temperature chamber；
Cover board is detected, the detection cover board is equipped with reflection groove, and reflection groove passes through the center of detection cover board, the detection cover board
It installs on rotating device, the detection cover board is located at the top of liquid crystal display, and detects center and the liquid crystal display of cover board
Inspection center be overlapped；
Light source, the light source are fixed therein on an angular adjustment apparatus, the inspection of the axis and liquid crystal display of the light source
Measured center is overlapped, and the axis of light source is parallel with reflection groove, and the light source is adjusted the angle around the inspection center of liquid crystal display；And
Telecentric lens, the telecentric lens are fixed on another angular adjustment apparatus, the axis and liquid crystal of the telecentric lens
The inspection center of display is overlapped, and the axis of telecentric lens is parallel with reflection groove, and the telecentric lens are around liquid crystal display
Inspection center adjusts the angle, and the telecentric lens are connect with optical gauge.
2. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that the angle
Degree adjusts device
Arc-shaped guide rail seat, the arc-shaped guide rail seat is fixed on detection cover board, and is symmetrically positioned in the two sides of reflection groove；
Arc-shaped rack guide rail, the arc-shaped rack guide rail are fixed on arc-shaped guide rail seat, the arc-shaped rack guide rail and reflection groove
In parallel；
Directive wheel, the directive wheel are V-arrangement directive wheel, and the directive wheel is mounted on the two sides of arc-shaped rack guide rail；
Rotation seat, the rotation seat are fixed on directive wheel；
Rotary electric machine, the rotary electric machine are fixed on rotation seat；
Rotate gear, the rotate gear are fixed on rotary electric machine, and rotate gear is nibbled with the rack gear on arc-shaped rack guide rail
It closes；And
Attachment base, the attachment base are mounted on rotation seat, are respectively provided with light source and telecentric lens on the attachment base.
3. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that further include
Mirror-reflection semi-integral ball and diffusing reflection semi-integral ball, the mirror-reflection semi-integral ball are equipped with full detection slot, the full inspection
Survey slot and run through mirror-reflection semi-integral ball, and full detection slot passes through the center of mirror-reflection semi-integral ball, the full detection slot with
Reflection groove matches, and the mirror-reflection semi-integral ball is fixed on detection cover board；
The diffusing reflection semi-integral ball is equipped with half detection slot, and half detection slot is arranged along the spherical surface of diffusing reflection semi-integral ball,
Half detection slot extends to the center of diffusing reflection semi-integral ball, the circle of half detection slot from the edge of diffusing reflection semi-integral ball
Heart angle is 90 °, and the diffusing reflection semi-integral ball is corresponding with reflection groove, and the diffusing reflection semi-integral ball is fixed on detection cover board
On；
Diffusing reflection light source is also equipped in the diffusing reflection semi-integral ball.
4. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that further include
Spectroscope, the spectroscope are mounted on telecentric lens；
Eyepiece, the eyepiece are fixed on spectroscope；
One end of fibre-optical probe, the fibre-optical probe is connect with eyepiece, and the other end is connect with optical instrument；And
CCD camera, the CCD camera are connect with spectroscope.
5. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that further include
Time response probe, the time response probe are fixed on angular adjustment apparatus, and time response probe and light source are solid
It is scheduled on same angular adjustment apparatus, the time response pops one's head in against the inspection center of liquid crystal display；And
Time response device, the time probe are connect with time response device.
6. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that further include
Floating installation, the floating installation include
Floating seat, the floating seat are fixed on angular adjustment apparatus；
Floating lever, the floating lever activity are inserted on floating seat, and one end of the floating lever is equipped with stop collar, and the other end is fixed on
It detects on cover board, the floating seat is located between detection cover board and stop collar, and there are gaps between floating seat and detection cover board；
Spring, the spring are actively set on floating lever, and one end of spring is pressed on love floating seat, and the other end is pressed in detection lid
On plate, the spring is for making to detect cover board far from floating seat.
7. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that the inspection
Surveying mobile device includes
Longitudinal straight line mould group, the longitudinal direction straight line mould group are fixed on detection bottom plate；
Lateral straight line mould group, the transverse direction straight line mould group are fixed on the slide unit of longitudinal straight line mould group；
And vertical lines mould group, the vertical lines mould group are fixed on the slide unit of lateral straight line mould group；The rotating device is solid
It is scheduled on the slide unit of vertical lines mould group.
8. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that the rotation
Rotary device includes rotating seat, and the rotating seat is fixed in detection mobile device；
Turbine worm reducer, the turbine worm reducer are fixed on rotating seat, and the turbine and angle rotating device connect
It connects；And
Rotating electric machine, the rotating electric machine is fixed on turbine worm reducer, and is connect with worm screw.
9. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that the height
Cryogenic box includes
Shell；
Liner, the liner are fixed on the inside of shell；
Cover board frame, the cover board frame are fixed on cover top portion, cover board frame sealing inner container, and the cover board frame is equipped with slot cover；
Seal cover board, the seal cover board activity are placed in slot cover, and the seal cover board is equipped with circular detection hole, institute
Detection hole is stated to match with detection cover board；
Air inlet pipe, the air inlet pipe is fixed on the side of shell, and communicates with liner, and the air inlet pipe passes through pipeline and high/low temperature
The gas outlet of case connects；And
Display fastening rods, the display fastening rods are mounted on the bottom of liner.
10. liquid crystal display high/low temperature according to claim 1 and illumination automatic detection device, which is characterized in that also wrap
Cabinet is included, door is equipped with before the cabinet, the inside of the cabinet is darkroom；The detection bottom plate is fixed in cabinet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291512.6U CN209417462U (en) | 2019-03-07 | 2019-03-07 | Liquid crystal display high/low temperature and illumination automatic detection device |
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|---|---|---|---|
| CN201920291512.6U CN209417462U (en) | 2019-03-07 | 2019-03-07 | Liquid crystal display high/low temperature and illumination automatic detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739034A (en) * | 2019-03-07 | 2019-05-10 | 苏州弗士达科学仪器有限公司 | Liquid crystal display high/low temperature and illumination automatic detection device |
| CN114047646A (en) * | 2021-11-25 | 2022-02-15 | 常熟理工学院 | Low-temperature detection device of LCD |
-
2019
- 2019-03-07 CN CN201920291512.6U patent/CN209417462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739034A (en) * | 2019-03-07 | 2019-05-10 | 苏州弗士达科学仪器有限公司 | Liquid crystal display high/low temperature and illumination automatic detection device |
| CN114047646A (en) * | 2021-11-25 | 2022-02-15 | 常熟理工学院 | Low-temperature detection device of LCD |
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