CN207866218U - A kind of measurer for thickness and backlight test system - Google Patents
A kind of measurer for thickness and backlight test system Download PDFInfo
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- CN207866218U CN207866218U CN201820353207.0U CN201820353207U CN207866218U CN 207866218 U CN207866218 U CN 207866218U CN 201820353207 U CN201820353207 U CN 201820353207U CN 207866218 U CN207866218 U CN 207866218U
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- 238000012546 transfer Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
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- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Abstract
The utility model discloses a kind of measurer for thickness and backlight test system, is related to display technology field, while to improve backlight module thickness measure efficiency, improves the measurement accuracy of backlight module thickness data.The measurer for thickness includes at least one measuring mechanism, each measuring mechanism includes that the first elasticity being separately connected with pressure sensitive module squeezes module and the second elasticity extruding module, the compressive plane of first elasticity extruding module and the compressive plane of the second elasticity extruding module are opposite, and the first elasticity squeezes the first drive module of the compressive plane folding of module and the second elastic compressive plane squeezed between module equipped with control the first elasticity extruding module and the second elasticity extruding module.The backlight test system includes the measurer for thickness that above-mentioned technical proposal is carried.Measurer for thickness provided by the utility model and backlight test system are in backlight detection.
Description
Technical field
The utility model is related to display technology field more particularly to a kind of measurer for thickness and backlight to test system.
Background technology
Backlight module is a kind of significant components of liquid crystal display, can provide backlight for display panel so that display
Display panel picture；Therefore, the quality of backlight module has strong influence to the picture shown by display panel.
And in order to ensure that made backlight module meets the requirements, after the making for completing backlight module, need to backlight
The thickness of module measures.Blocking backlight module by hand using vernier caliper needs test position at present, and in vernier caliper
On directly read thickness value, but this measurement method efficiency is relatively low, and human factor influences big, leads to measured backlight mould
Group thickness data is inaccurate.
Utility model content
The purpose of this utility model is to provide a kind of measurer for thickness and backlight to test system, to improve backlight module
While thickness measure efficiency, the measurement accuracy of backlight module thickness data is improved.
To achieve the goals above, the utility model provides the following technical solutions：
A kind of measurer for thickness, the measurer for thickness include at least one measuring mechanism, each measuring mechanism
Include that the first elasticity being separately connected with pressure sensitive module squeezes module and the second elasticity extruding module, first elasticity is squeezed
The compressive plane that the compressive plane of die block and second elasticity squeeze module is opposite, and first elasticity squeezes module and described the
Between two elasticity extruding modules the compressive plane of module and the second elastic extruding module are squeezed equipped with control first elasticity
Compressive plane folding the first drive module.
Compared with prior art, in measurer for thickness provided by the utility model, included by least one measuring mechanism
First elasticity squeeze module and second elasticity squeeze module between be equipped with control first elasticity squeeze module compressive plane and institute
State the first drive module that the second elasticity squeezes the compressive plane folding of module so that each to survey when measuring backlight module thickness
The first elasticity of the first drive module control included by measuring mechanism squeezes the compressive plane of module and the second elasticity squeezes squeezing for module
Pressure surface open, by backlight module be put into first elasticity squeeze module compressive plane and second elasticity squeeze module compressive plane it
Between, the compressive plane of the compressive plane and the second elasticity extruding module of module is squeezed followed by the first elasticity of the first drive module control
It moves closer to and squeezes backlight module；In this process, as long as detecting the first elastic extrusion die using pressure sensitive module
Block and the second elasticity squeeze module in the pressure change of original state and measuring state, then utilize principle of elasticity, energy
Access first elasticity squeeze module and second elasticity squeeze module original state and measuring state deformation distance change amount；
And due to first elasticity squeeze module and second elasticity squeeze module original state and measuring state deformation distance change amount,
It is that the first elasticity squeezes the compressive plane of module and second elasticity squeezes squeezing for module because measuring state backlight module is located at
Caused by between pressure surface, therefore, the first elasticity squeezes module and the second elasticity squeezes module in original state and measuring state
Deformation distance change quality entity be equal to backlight module thickness.
As it can be seen that measurer for thickness provided by the utility model can be based on principle of elasticity, the first elasticity is squeezed
Module and the second elasticity extruding module are put into generated pressure variety because of backlight module and are converted into deformation distance change amount,
To obtain backlight module thickness, the automatic measurement of backlight module thickness is realized, is surveyed to improve backlight module thickness
The efficiency of amount, and reduce the influence of human factor, improve the accuracy of backlight module thickness measure.
The utility model additionally provides a kind of backlight test system, and it includes ignition device which, which tests system, scanning dress
Set and above-mentioned technical proposal provide the measurer for thickness.
Compared with prior art, the advantageous effect of backlight test system provided by the utility model is carried with above-mentioned technical proposal
The advantageous effect of the measurer for thickness of confession is identical, and this will not be repeated here.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is the structural schematic diagram one for the measurer for thickness that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram two for the measurer for thickness that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram of measuring mechanism in the initial state in the utility model embodiment；
Fig. 4 is structural schematic diagram of the measuring mechanism in folding condition in the utility model embodiment；
Fig. 5 be the utility model embodiment in measuring mechanism measuring state structural schematic diagram；
Fig. 6 is the state diagram that detent mechanism is used cooperatively with transmission unit in the utility model embodiment.
Reference numeral：
1- measuring mechanisms, the first drive modules of 10-；
The first frame bodies of 10a-, the first mounting holes of 100a-；
The first compression bars of 101a-, the first locating parts of 102a-；
The first return springs of 103a-, the second frame bodies of 10b-；
The second locating parts of 100b-, the second compression bars of 101b-；
The second locating parts of 102b-, the second return springs of 103b-；
The first measuring mechanisms of 11-, 110- head rods；
The second measuring mechanisms of 12-, the second connecting rods of 120-；
2- pedestals, the first installation axles of 21-；
The first guide grooves of 210-, the second installation axles of 22-；
The second guide grooves of 220-, 311- first direction forward direction barricades；
312- first direction negative sense barricades, 321- second direction forward direction barricades；
322- second direction negative sense barricades, 41- first pressure inductors；
42- second pressure inductors, 5- scanning means；
6- detent mechanisms, the second drive modules of 60-；
The first expansion brackets of 61-, the second expansion brackets of 62-；
7- transmission units, the gaps 70-；
The first conveyer belts of 71-, the second conveyer belts of 72-；
8- ignition devices.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
~Fig. 3 is please referred to Fig.1, the measurer for thickness that the utility model embodiment provides includes at least one measuring mechanism
1, each measuring mechanism 1 includes that the first elasticity being separately connected with pressure sensitive module squeezes module and the second elastic extrusion die
Block, first elasticity squeeze module compressive plane and second elasticity squeeze module compressive plane it is opposite, first elasticity squeeze module and
Second elasticity squeezes the extruding equipped with the elastic compressive plane for squeezing module of control first and the second elasticity extruding module between module
First drive module 10 of face folding.Wherein, the measurer for thickness that the utility model embodiment provides is in original state, often
The compressive plane that first elasticity of a measuring mechanism 1 squeezes the compressive plane of module and the second elasticity squeezes module is in contact with each other.This reality
The measurer for thickness provided with new embodiment is in measuring state, and backlight module is located at the first bullet of each measuring mechanism 1
Property squeeze the compressive plane of module and between the second elasticity squeezes the compressive plane of module, and the top of backlight module and each measuring machine
First elasticity of structure 1 squeezes the compressive plane contact of module, and the bottom of backlight module and the second elasticity of each measuring mechanism 1 squeeze
The compressive plane of module contacts.
It is understood that the first elasticity squeezes the compressive plane of module in the utility model embodiment and the second elasticity squeezes
Opposite first elasticity that can be understood as of the compressive plane of module squeezes the compressive plane of module and squeezing for the second elasticity extruding module
Pressure surface is parallel, and when backlight module is located at, the first elasticity squeezes the compressive plane of module and second elasticity squeezes squeezing for module at this time
Between pressure surface, it will be able to ensure that measured backlight module thickness data is accurate, artificial just operation vernier caliper is avoided to be difficult to protect
The problem of contact surface up and down of card backlight module and vernier caliper is substantially parallel.
The behaviour of the thickness measure for the measurer for thickness that 1~Fig. 5 provides the utility model embodiment below in conjunction with the accompanying drawings
It is described in detail as process.
The first step squeezes the compressive plane of module using the first elasticity of the first drive module 10 control of each measuring mechanism 1
The compressive plane that module is squeezed with the second elasticity is adjusted from being in contact with each other to keeping at a distance therebetween；
Second step, by backlight module to be measured be put into each measuring mechanism 1 first elasticity squeeze module compressive plane and
Second elasticity squeezes between the compressive plane of module；
Third walks, and the compressive plane of module is squeezed using the first elasticity of the first drive module 10 control of each measuring mechanism 1
The compressive plane that module is squeezed with the second elasticity moves closer to, until the compressive plane of the first elasticity extruding module and the second elasticity squeeze
The compressive plane of module stops until, and measurer for thickness is in measuring state at this time.
Wherein, when measurer for thickness is in original state, pressure sensitive module detects the first bullet of each measuring mechanism 1
Property squeeze the pressure F10 that is born of module, the second elasticity squeezes the pressure F20 that module is born.
When measurer for thickness measures backlight module to be measured, measurer for thickness is in measuring state, pressure sensitive mould
The first elasticity that block detection detects each measuring mechanism 1 squeezes the pressure F11 that module is born, and the second elasticity squeezes module and held
The pressure F21 received.
The measurer for thickness that the utility model embodiment provides is in original state, and the first elasticity squeezes the extruding of module
The compressive plane that module is squeezed towards the second elasticity applies certain active force so that the second elasticity squeezes module and certain bullet occurs
Property retraction；Meanwhile second elasticity squeeze the extruding of module and squeeze the compressive plane of module towards the first elasticity and apply certain anti-work
Firmly so that the first elasticity squeezes module and certain elastical retraction occurs；When the thickness measure that the utility model embodiment provides
Device is in measuring state, although the first elasticity squeezes the compressive plane of module and the second elasticity squeezes the compressive plane of module to backlight
Module is squeezed, but since measured backlight module can squeeze the compressive plane and the second elasticity of module to the first elasticity
The compressive plane for squeezing module applies reaction force, these reaction forces promote the first elasticity to squeeze module and the second elastic extrusion die
Elastical retraction occurs for block, is based on this, squeezes module according to the first elasticity and the second elasticity squeezes coefficient of elasticity K known to module,
According to principle of elasticity, the thickness H of backlight module is obtained.
H=△ L=△ F/K=[(F11+F21)-(F10+F20)]/K, △ F are that observed pressure is poor, and △ L are the first elasticity
Squeeze the deformation range difference of the deformation range difference and the second elasticity extruding module of module.
The measurer for thickness that certain the utility model embodiment provides is measuring the thickness of backlight module simultaneously, additionally it is possible to
Whether the thickness of detection backlight module meets the requirements.
Specifically, preset pressure difference range △ F0 are obtained according to preset thickness range H0 based on principle of elasticity,
△ F0=(F01+F02)-(F10+F20), and preset pressure difference range △ F0 are stored；Measurer for thickness measurement meets thickness
It is required that backlight module when, measurer for thickness is in measuring state, and pressure sensitive module detects the first of each measuring mechanism 1
Elasticity squeezes the pressure F01 that module is born, and the second elasticity squeezes the pressure F02 that module is born.
When measuring the thickness of backlight module to be measured, as long as pressure sensitive module detects the first bullet of each measuring mechanism 1
Property squeeze the pressure born of module and the second elasticity squeezes the pressure that module is born, according to measurer for thickness in initial shape
The related pressure that state and measuring state pressure sensitive module are detected carries out simple plus and minus calculation, obtains observed pressure difference △ F,
Then by judging whether observed pressure difference △ F are located in preset pressure difference range △ F0, so that it may to judge measured backlight
Whether the thickness of module meets the requirements.
It should be noted that only needing to incude each measuring mechanism using pressure sensitive unit in the utility model embodiment
The first included elasticity squeezes the pressure that module is born and the second elasticity squeezes the pressure that module is born, then to pressure
The simple logical operations such as the progress of pressure data that induction module is detected simply adds, subtracts, multiplication and division or judgement, it will be able to
Required backlight module thickness data is obtained, which can be real by the processor being connect with pressure sensitive module
It is existing, it can also be realized by existing logical operation circuit, not need to make improvement to the prior art.And it is aobvious for convenience
Show, processor can be connect with display equipment in the utility model embodiment, by showing that equipment shows measured backlight module
Thickness data.
Therefore in the measurer for thickness of the utility model embodiment offer, included by least one measuring mechanism 1
The first elasticity squeeze module and the second elasticity squeeze module between be equipped with the compressive plane and that the first elasticity of control squeezes module
Two elasticity squeeze the first drive module 10 of the compressive plane folding of module so that each to measure when measuring backlight module thickness
The first elasticity of the first drive module 10 control included by mechanism 1 squeezes the compressive plane of module and the second elasticity squeezes squeezing for module
Pressure surface is gradually distance from, and backlight module is put into the extruding that the first elasticity squeezes the compressive plane and the second elasticity extruding module of module
Between face, squeezes the compressive plane of module followed by the first elasticity of the first drive module 10 control and the second elasticity squeezes module
Compressive plane moves closer to and squeezes backlight module；In this process, as long as detecting the first elasticity using pressure sensitive module
It squeezes module and the second elasticity squeezes module in the pressure change of original state and measuring state, then utilize according to Elasticity
Principle can obtain first elasticity squeeze module and second elasticity squeeze module original state and measuring state deformation away from
From variable quantity；And due to first elasticity squeeze module and second elasticity squeeze module original state and measuring state deformation away from
It is that the first elasticity squeezes the compressive plane of module and the second elasticity squeezes module because measuring state backlight module is located at from variable quantity
Compressive plane between caused by, therefore, first elasticity squeeze module and second elasticity squeeze module in original state and measurement
The deformation distance change quality entity of state is equal to the thickness of backlight module.
As it can be seen that the measurer for thickness that the utility model embodiment provides can be based on principle of elasticity, by the first bullet
Property squeeze module and second elasticity squeeze module because backlight module be put into caused by pressure variety be converted into deformation distance
Variable quantity realizes the automatic measurement of backlight module thickness to obtain backlight module thickness, to improve backlight module
The efficiency of thickness measure, and reduce the influence of human factor, improve the accuracy of backlight module thickness measure.
Such as：When the prior art starts to measure the thickness of backlight module using vernier, since vernier caliper is manually operated, lead
Cause the engaging dynamics of vernier caliper uncontrollable so that the thickness data measured by vernier caliper is inaccurate；And the utility model is real
The compressive plane that the first elasticity of the first drive module 10 driving in example squeezes the compressive plane of module and the second elasticity squeezes module is applied to open
It closes so that the compressive plane that the first elasticity squeezes the compressive plane of module and the second elasticity squeezes module applied backlight module
Extruding force is controllably changed so that in the case that the glue frame of backlight module floats, the first drive module 10 can be utilized to control the first bullet
Property squeeze the compressive plane of module and compressive plane that the second elasticity squeezes module applies maximum extruding force for backlight module, ensure
The glue frame of backlight module remains able to accurately measure thickness data in the case where floating.
In another example：In the prior art if interior warpage occurs in the measurement position for encountering backlight module, using conventional vernier
Calliper institute total thickness data is not the thickness for measuring position.And the first elastic extrusion die in the utility model embodiment
The compressive plane that the compressive plane of block and the second elasticity squeeze module is opposite, utilizes the first elastic extrusion die of the first drive module 10 control
The compressive plane that the compressive plane of block and the second elasticity squeeze module is moved closer to along fixed-direction, ensure that measured thickness number
According to measure the actual (real) thickness of position, multiple thickness datas for measuring position are compared will pass through, determine whether backlight module goes out
In existing the problem of warpage.
Illustratively, the first elasticity squeezes module in the utility model embodiment and the second elasticity squeezes the structure phase of module
Together, illustrate respectively with reference to Fig. 3~Fig. 5.
First elasticity squeezes module and offers the first peace including the first frame body 10a and the first compression bar 101a, the first frame body 10a
Hole 100a is filled, one end of the first compression bar 101a is telescopic to be located in the first mounting hole 100a；On the body of rod of first compression bar 101a
It is equipped with the first limit for being limited to the first return spring 103a equipped with the first return spring 103a, the first frame body 10a
Position part 102a.In order to prevent the first return spring 103a by the reaction force of measured backlight module it is larger in the case of,
First return spring 103a is squeezed into the first mounting hole 100a, and the diameter of the first return spring 103a should be more than the first installation
Hole 100a is squeezed into avoid the first return spring 103a in the first mounting hole 100a.
Correspondingly, it includes the second frame body 10b and the second compression bar 101b that the second elasticity, which squeezes module, the second frame body 10b is opened up
There is the second mounting hole, one end of the second compression bar 101b is telescopic to be located in the second mounting hole；On the body of rod of second compression bar 101b
It is equipped with the second limit for being limited to the second return spring 103b equipped with the second return spring 103b, the second frame body 10b
Position part 100b.In order to prevent the second return spring 103b by the reaction force of measured backlight module it is larger in the case of,
Second return spring 103b is squeezed into the second mounting hole, and the diameter of the second return spring 103b should be more than the first mounting hole
100a is squeezed into avoid the second return spring 103b in the second mounting hole 100b.
Wherein, the compressive plane of the first compression bar 101a is located at the end in the first mounting hole 100a far from the first compression bar 101a,
The compressive plane of second compression bar 101b is located at the end in the second mounting hole, the extruding of the first compression bar 101a far from the second compression bar 101b
The compressive plane of face and the second pressure ram is opposite, is connected by the first drive module 10 between the first frame body 10a and the second frame body 10b
Connect so that the first drive module 10 control first elasticity squeeze module compressive plane and second elasticity squeeze module compressive plane by
Gradually far from when, the distance between the first frame body 10a and the second frame body 10b gradually increase, at this time the first return spring 103a and the
Two return spring 103b are in free state not by any extruding；When the first elasticity of the first drive module 10 control squeezes
The compressive plane that the compressive plane of module and the second elasticity squeeze module moves closer to, and final because measured backlight module exists
And when stopping close, at this time because backlight module applies to the compressive plane of the first compression bar 101a and the compressive plane of the second compression bar 101b
Reaction force so that the first compression bar 101a is moved to the direction of the first mounting hole 100a, but depositing due to the first locating part 102a
, during the first compression bar 101a is moved to the direction of the first mounting hole 100a, the first return spring 103a by first limit
Position part 102a limits, are presented compressive state；Similarly, the second compression bar 101b is moved to the direction of the second mounting hole, but due to second
The presence of locating part 100b, during the second compression bar 101b is moved to the direction of the second mounting hole, the second return spring
Compressive state is presented by the first locating part 102a limits in 103b.
Specifically, such as Fig. 1~Fig. 5, the first locating part 102a includes the first stop collar being located on the first frame body 10a, phase
The the first compression bar 101a answered includes head rod 110 and the first pressure head for being connect with the end of head rod 110, and first
Return spring 103a is located on the body of rod of head rod 110, and first body of rod passes through the first limit away from one end of the first pressure head
It is set in the first mounting hole 100a, the first return spring 103a is located in the first stop collar, and the first pressure head is located at the first limit
Set is outer.Correspondingly, the second locating part 100b includes the second stop collar being located on the second frame body 10b, corresponding second compression bar
101b includes the second connecting rod 120 and the second pressure head for being connect with the end of the second connecting rod 120, the second return spring 103b
It is located on the body of rod of the second connecting rod 120, second body of rod passes through the second limit to be set in the second peace away from two ends of the second pressure head
It fills in hole, the second return spring 103b is located in the second stop collar, and the second pressure head is located at outside the second stop collar.Wherein, the first pressure
The compressive plane of head and the compressive plane of the second pressure head are opposite, flat with the compressive plane that the compressive plane and the second pressure that ensure the first pressure head are saturating
Row.
Further, as shown in figure 3, for pressure sensitive module, pressure sensitive module include with measuring mechanism 1 one by one
Corresponding multigroup pressure inductor, include first time that every group of pressure inductor includes for detecting the corresponding measuring mechanism 1
The first pressure inductor 41 of power spring 103a pressure, and the second return spring for including for detecting corresponding measuring mechanism 1
The second pressure inductor 42 of 103b pressure.First pressure inductor 41 may be provided in the aperture of the first mounting hole 100a, the second pressure
Power inductor 42 may be provided in the aperture of the second mounting hole 100b；According to processor processing pressure data, processor and every group of pressure
First pressure inductor 41 and second pressure inductor 42 included by power inductor connect.
As shown in Fig. 3~Fig. 5, when the backlight module of measurement is located at the compressive plane and the second elasticity that the first elasticity squeezes module
Between the compressive plane for squeezing module, the first drive module 10 control the first elasticity of control squeezes the compressive plane and the second elasticity of module
The compressive plane for squeezing module moves closer to, and due to the presence of measured backlight module, the first elasticity squeezes the compressive plane of module
The compressive plane of module is squeezed with the second elasticity to be contacted, and measured backlight module is pressed to the compressive plane of the first pressure head and second
The compressive plane of head applies reaction force so where the head rod 110 being connect with the first pressure head to the first mounting hole 100a
Direction is moved, and the first return spring 103a being now placed in the first stop collar is hindered by the first mounting hole 100a, can not
It as head rod 110 is moved to the first mounting hole 100a directions, and is limited by the first stop collar so that first
Return spring 103a can only bounce back by natural resiliency；And since first pressure inductor 41 is located at the first elastic mounting hole
Aperture, this makes the first return spring 103a when bouncing back, and first pressure inductor 41 can measure first time power bullet
The pressure that spring 103a is born.Similarly, the second connecting rod 120 being connect with the second pressure head is moved to the second mounting hole direction
Dynamic, the second return spring 103b in the second stop collar is hindered by the second mounting hole, can not be with the second connecting rod
120 move to the second mounting hole direction, and are limited by the second stop collar so that the second return spring 103b can only be according to
It bounces back by natural resiliency；And since second pressure inductor 42 is located at the aperture of the second elastic mounting hole, this makes second
For return spring 103b when bouncing back, second pressure inductor 42 can measure the pressure that the second return spring 103b is born
Power.
Measuring mechanism 1 in order to facilitate the installation of, as shown in Figure 1, the measurer for thickness that the utility model embodiment provides is also
Including pedestal 2, it is additionally provided at least one installation axle on pedestal 2, is arranged in installation axle and corresponding measuring mechanism 1 is oriented to
Oriented module, this makes it possible to the actual sizes according to backlight module, adjust the measurement point position of backlight module.
Illustratively, as shown in Figure 1, the compressive plane that the guide direction of oriented module should squeeze module with the first elasticity is put down
Row, when can ensure that oriented module is oriented to measuring mechanism 1 in this way, is moved regardless of the position of measurement module, the
The compressive plane that one elasticity squeezes the compressive plane of module and the second elasticity squeezes module is opposite and parallel.
Specifically, as depicted in figs. 1 and 2, in the utility model embodiment oriented module include be arranged on the mounting shaft and
The guide groove that can be rotated around installation axle, the first elasticity squeeze module and are equipped with connecting rod, the length direction and guiding of connecting rod
The guide direction of slot is identical, and connecting rod is located in guide groove.When it is implemented, by controlling guiding of the connecting rod along guide groove
Direction is slided, and is moved along the guide direction of guide groove so that connecting rod drives the first elasticity to squeeze module, and then pass through the
One drive module 10 drives the second elasticity to squeeze module and is moved along the guide direction of guide groove, to reach to measuring mechanism 1
The purpose of guiding.
In addition, guide groove can be rotated around installation axle in the utility model embodiment, this makes guide groove around installation shaft rotation
After dynamic, the measurement position of backlight module can be changed in bigger range, the quantity of the measuring mechanism 1 of needs can be reduced.
And in order to ensure the accuracy of backlight module thickness measurement, as shown in figures 1 to 6, the utility model is implemented
Detent mechanism 6 in example on pedestal 2 for being positioned to backlight module.When measuring mechanism 1 first elasticity squeeze module and
When second elasticity squeezes module to backlight module application pressure, backlight module will not be displaced because pressure is excessive, to
The accuracy for ensureing measurement result fully relies on meat when this makes it possible to avoid using vernier caliper hand dipping backlight module
Batch caused by eye positioning measures the inconsistent problem in position.
Specifically, as shown in figs. 1,2 and 6, detent mechanism 6 includes at least one first in the utility model embodiment
Expansion bracket 61 and at least one second expansion bracket 62；At least one first expansion bracket 61 and at least one second expansion bracket 62 are located at
On pedestal 2, the telescopic direction of each second expansion bracket 62 is formed with straight line where the telescopic direction of each second expansion bracket 62
Angle is not equal to 0 and 180 °, and straight line where the telescopic direction of each first expansion bracket 61 is flexible with each second expansion bracket 62
Straight line where direction is parallel with the light-emitting surface of the backlight module measured by measuring state；It is set at least one first expansion bracket 61
It is useful for the first direction forward direction barricade 311 positioned in the telescopic direction of the first expansion bracket 61 to backlight module and first party
To negative sense barricade 312；At least one second expansion bracket 62 be equipped with for backlight module the second expansion bracket 62 flexible side
To the second direction forward direction barricade 321 and second direction negative sense barricade 322 positioned.
By the telescopic direction institute of straight line and each second expansion bracket 62 where the telescopic direction of each first expansion bracket 61
It is parallel with the light-emitting surface of the backlight module measured by measuring state in straight line so that measuring state, each first expansion bracket 61
When by the position of telescopic action control first direction forward direction barricade 311 and first direction negative sense barricade 312, ensure first direction
The moving direction of positive barricade 311 and first direction negative sense barricade 312 is flat with the light-emitting surface of the backlight module of measuring state always
Row；Each second expansion bracket 62 controls second direction forward direction barricade 321 and second direction negative sense barricade 322 by telescopic action
Position, ensure the moving direction of second direction forward direction barricade 321 and second direction negative sense barricade 322 always with the back of the body of measuring state
The light-emitting surface of optical mode group is parallel；This makes it possible to ensure the first expansion bracket 61 control first direction forward direction barricade 311 and first party
To negative sense barricade 312 to backlight module in the positioning of 61 telescopic direction of the first expansion bracket, the second expansion bracket 62 control second direction
Positive barricade 321 and second direction negative sense barricade 322 to backlight module 62 telescopic direction of the second expansion bracket positioning.
In view of backlight module is generally transmitted using transmission equipment, as shown in fig. 6, the utility model embodiment provides
Measurer for thickness further include transmission unit 7, at least one measuring mechanism 1 is located at the same side of transmission unit 7；As for measurement
The quantity of the measuring mechanism 1 of 7 side of transmission unit is then determined according to backlight module close to the measurement position of 7 side of transmission unit.
Transmission unit 7 has at least one gap 70 extended along the conveying direction, at least one gap 70 and at least one
A second expansion bracket 62 corresponds；When measurer for thickness is in measuring state, first direction forward direction barricade 311 is located at transmission
The side of unit 7, first direction negative sense barricade 312 are located at the other side of transmission unit 7；Corresponding to each second expansion bracket 62
Second direction forward direction barricade 321 and second direction negative sense barricade 322 are located in corresponding gap 70, and each second expansion bracket 62 is stretched
Straight line where contracting direction and straight line parallel where the direction of transfer.
In order to coordinate the use of transmission unit 7, as shown in Figure 1, detent mechanism 6 further includes rising in the utility model embodiment
It drops frame (Fig. 1 is not shown), at least one first expansion bracket 61 and at least one second expansion bracket 62 and pedestal 2 is erected at by lifting
On；When backlight module is sent to measured zone, the first expansion bracket 61 and the second expansion bracket 62 utilize respective Telescopic
After adjusting the location dimension positioned to backlight module, using at least one first expansion bracket 61 of crane control and at least
One the second expansion bracket 62 rises, so that the first direction forward direction barricade 311 on the first expansion bracket 61 is located at transmission unit 7
Side, first direction negative sense barricade 312 are located at the other side of transmission unit 7, and second at least one second expansion bracket 62
Direction forward direction barricade 321 and second direction negative sense barricade 322 are located in corresponding gap 70.
Illustratively, as shown in figures 1 to 6, when measuring mechanism 1 is two, one of measuring mechanism 1 is defined as
First measuring mechanism 11, the second elasticity included by the first measuring mechanism 11 squeeze module and are connected with head rod 110, will be another
One measuring mechanism 1 is defined as the second measuring mechanism 12, and the second elasticity included by the second measuring mechanism 12 squeezes module connection
There is the second connecting rod 120.
Installation axle there are two being set on pedestal 2, the first installation axle 21, the first installation axle 21 are defined as by one of installation axle
On be arranged with the first guide groove 210 that can be rotated around the first installation axle 21, head rod 110 is located in the first guide groove 210；
Another two installation axles are defined as the second installation axle 22, the second guide groove 220, the second connecting rod are arranged in the second installation axle 22
120 are located in the second guide groove 220.
When transmission unit 7 includes the first conveyer belt 71 and the second conveyer belt 72, the first conveyer belt 71 and the second conveyer belt
It includes first expansion bracket 61 and second expansion bracket 62, the first expansion bracket 61 to have gap 70, fixed mechanism between 72
The first direction forward direction barricade 311 being equipped with is located at the first side of the conveyer belt 71 far from gap 70, first direction negative sense barricade
312 are located at the second side of the conveyer belt 72 far from gap 70, the second direction forward direction barricade 321 that the second expansion bracket 62 is equipped with
In gap 70, second direction negative sense barricade 322 is located in gap 70；Wherein, straight where the telescopic direction of the first expansion bracket 61
Straight line where the telescopic direction of line and the second expansion bracket is in 90 °.
As shown in fig. 6, when backlight module is transmitted to measured zone by transmission unit 7, according to measured backlight module
Size, using between the first expansion bracket 61 adjustment first direction forward direction barricade 311 and first direction negative sense barricade 312
Distance adjusts the distance between second direction forward direction barricade 321 and second direction negative sense barricade 322 using the second expansion bracket 62,
Then risen by controlling crane so that first direction forward direction barricade 311 and first direction negative sense barricade 312 are located at transmission list
The both sides of member 7, second direction forward direction barricade 321 and second direction negative sense barricade 322 are located in gap 70, to utilize first direction
Positive barricade 311, first direction negative sense barricade 312, second direction forward direction barricade 321 and second direction negative sense barricade 322 are realized
Positioning to measured backlight module.
When measuring the thickness of backlight module, as shown in figs. 1,2 and 6, using the first measuring mechanism 11 to backlight module
First measure position a, the second of backlight module measurement position b is measured using the second measuring mechanism 12, is then controlled
First guide groove 210 is rotated around the first installation axle 21, is moved and is controlled the rotation of the first measuring mechanism 11 using the first guide groove 210, makes
The first measuring mechanism 11 measures the third of backlight module and measures position c, the second guide groove 220 of control is around 22 turns of the second installation axle
It is dynamic, rotate to the second measuring mechanism 12 using the second guide groove 220 so that the of the second measuring mechanism 12 measurement backlight module
Four measure position d.
It is worth noting that, as shown in Figure 1, measuring mechanism 1 carries out thickness survey for a measurement position of backlight module
When amount, the first elasticity included by the measuring mechanism 1 can also be utilized to squeeze the head rod 110 of module connection to the measurement
Position is finely adjusted.
It should be noted that as shown in Figure 1, the first expansion bracket 61 and the second expansion bracket 62 are equal in the utility model embodiment
Including first support and second support, opened and closed equipped with control first support and second support between first support and second support
Second drive module 60；Wherein, the driving direction and the first expansion bracket of the second drive module 60 included by the first expansion bracket 61
61 telescopic direction is identical；The driving direction of the second drive module 60 included by second expansion bracket 62 and the second expansion bracket 62
Telescopic direction is identical.
In addition, either the first drive module 10 or the second drive module 60, driving direction can be unidirectional drive,
May be bi-directional drive, specific implementation form is varied, such as：Pneumatic drive mechanism, hydraulic drive mechanism or electronic drive
Motivation structure.
As shown in fig. 6, the utility model embodiment additionally provides a kind of backlight test system, backlight test system includes
Ignition device 8, scanning means 5 and above-described embodiment measurer for thickness；Scanning means 5 be generally CCD camera or other
High-definition camera.
When it is implemented, after the detent mechanism included by measurer for thickness positions measured backlight module, lighting
The light source golden finger of backlight module measured by 8 automatic absorbing of device realizes the electricity of ignition device 8 and measured backlight module
It connecting, ignition device 8 lights measured backlight module at this time, is scanned to measurer for thickness using scanning means 5, with
Realize backlight inspection.
Compared with prior art, the advantageous effect for the backlight test system that the utility model embodiment provides and above-mentioned implementation
The advantageous effect for the measurer for thickness that example provides is identical, and this will not be repeated here.
In the description of the above embodiment, particular features, structures, materials, or characteristics can be at any one or more
It can be combined in any suitable manner in a embodiment or example.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of measurer for thickness, which is characterized in that including at least one measuring mechanism, each measuring mechanism include with
The first elasticity that pressure sensitive module is separately connected squeezes module and the second elasticity squeezes module, and first elasticity squeezes module
Compressive plane and it is described second elasticity squeeze module compressive plane it is opposite, it is described first elasticity squeeze module and it is described second elasticity
The compressive plane for controlling the first elasticity extruding module and the second elastic extruding for squeezing module are equipped between extruding module
First drive module of face folding.
2. measurer for thickness according to claim 1, which is characterized in that first elasticity squeezes module and the second bullet
Property to squeeze module include frame body and compression bar, the frame body offers mounting hole, and one end of the compression bar is telescopic to be located at institute
It states in mounting hole；The body of rod of the compression bar is equipped with return spring, and the frame body is equipped with for being carried out to the return spring
The locating part of limit；
The compressive plane and the pressure included by the second elasticity extruding module that first elasticity squeezes the compression bar included by module
The compressive plane of bar is opposite, and first elasticity squeezes included by frame body and the second elasticity extruding module included by module
It is connected by first drive module between frame body；
The pressure sensitive module includes and the measuring mechanism multigroup pressure inductor correspondingly, every group of pressure inductor
Include squeezing first of the return spring pressure included by module for detecting the first elasticity described in the corresponding measuring mechanism
Pressure inductor, and for detecting the return spring included by the second elasticity extruding module described in the corresponding measuring mechanism
The second pressure inductor of pressure；
First pressure inductor and second pressure inductor included by every group of pressure inductor are connect with processor respectively.
3. measurer for thickness according to claim 2, which is characterized in that the compression bar include connecting rod and with it is described
The pressure head of the end connection of connecting rod, the return spring are located on the body of rod of connecting rod；The locating part is described including being located at
The aperture of stop collar on frame body, the mounting hole is located in the stop collar, and the body of rod passes through institute away from one end of pressure head
It states limit to be set in the mounting hole, the return spring is located in the stop collar, and the pressure head is located at the stop collar
Outside；
First elasticity squeezes the compressive plane of the pressure head in module included by compression bar and second elasticity is squeezed and pressed in module
The extruding plane of pressure head included by bar is opposite；
The first pressure inductor is located at the aperture that first elasticity squeezes the mounting hole that frame body is opened up in module, described
Second pressure inductor is located at the aperture that second elasticity squeezes the mounting hole that frame body is opened up in module.
4. measurer for thickness according to claim 2, which is characterized in that the diameter of the return spring is more than the peace
Fill the aperture in hole.
5. according to Claims 1 to 4 any one of them measurer for thickness, which is characterized in that the measurer for thickness is also
Including pedestal, and set the detent mechanism for being used to position backlight module on the base；It is additionally provided on the pedestal
At least one installation axle, at least one installation axle is corresponded at least one measuring mechanism, in the installation axle
It is arranged with the oriented module being oriented to the correspondence measuring mechanism, the guide direction of the oriented module and first bullet
Property squeeze module compressive plane it is parallel.
6. measurer for thickness according to claim 5, which is characterized in that the oriented module includes being set in the peace
The guide groove that can be rotated on axis and around the installation axle is filled, first elasticity squeezes module and is equipped with connecting rod, the company
The length direction of extension bar is identical as the guide direction of the guide groove, and the connecting rod is located in the guide groove.
7. measurer for thickness according to claim 5, which is characterized in that the detent mechanism includes at least one first
Expansion bracket and at least one second expansion bracket；At least one first expansion bracket and at least one described second flexible is erected at
On the pedestal, the telescopic direction of each second expansion bracket and straight line where the telescopic direction of each first expansion bracket
Formed angle is not equal to 0 and 180 °, and straight line where the telescopic direction of each first expansion bracket is stretched with each described second
Straight line where the telescopic direction of contracting frame is parallel with the light-emitting surface of the backlight module measured by measuring state；
At least one first expansion bracket is equipped with and is positioned for the telescopic direction to backlight module in the first expansion bracket
First direction forward direction barricade and first direction negative sense barricade；
At least one second expansion bracket is equipped with and is positioned for the telescopic direction to backlight module in the second expansion bracket
Second direction forward direction barricade and second direction negative sense barricade.
8. measurer for thickness according to claim 7, which is characterized in that the measurer for thickness further includes that transmission is single
Member, at least one measuring mechanism are located at the same side of the transmission unit；
The detent mechanism further includes crane, and at least one first expansion bracket and at least one second expansion bracket are logical
The lifting is crossed to be erected on the pedestal；
The transmission unit has at least one gap extended along the conveying direction；At least one gap with it is at least one
Second expansion bracket corresponds；The measurer for thickness is in measuring state, and the first direction forward direction barricade is located at
The side of the transmission unit, the first direction negative sense barricade are located at the other side of the transmission unit；Each described second
Second direction forward direction barricade and second direction negative sense barricade corresponding to expansion bracket are located in the corresponding gap, and each described the
Straight line where the telescopic direction of two expansion brackets and straight line parallel where the direction of transfer.
9. measurer for thickness according to claim 7, which is characterized in that first expansion bracket and the second expansion bracket are equal
It is equipped with including first support and second support, between the first support and the second support and controls the first support and institute
State the second drive module of second support folding.
10. a kind of backlight tests system, which is characterized in that including ignition device, scanning means and claim 1~9 are any
Measurer for thickness described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353207.0U CN207866218U (en) | 2018-03-15 | 2018-03-15 | A kind of measurer for thickness and backlight test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353207.0U CN207866218U (en) | 2018-03-15 | 2018-03-15 | A kind of measurer for thickness and backlight test system |
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| Publication Number | Publication Date |
|---|---|
| CN207866218U true CN207866218U (en) | 2018-09-14 |
Family
ID=63455737
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820353207.0U Expired - Fee Related CN207866218U (en) | 2018-03-15 | 2018-03-15 | A kind of measurer for thickness and backlight test system |
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| CN (1) | CN207866218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295138A (en) * | 2021-05-25 | 2021-08-24 | 竺正辉 | Intelligent detection system and detection method for production and manufacturing of backlight module |
-
2018
- 2018-03-15 CN CN201820353207.0U patent/CN207866218U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295138A (en) * | 2021-05-25 | 2021-08-24 | 竺正辉 | Intelligent detection system and detection method for production and manufacturing of backlight module |
| CN113295138B (en) * | 2021-05-25 | 2022-12-06 | 北京旺达世嘉科技发展有限公司 | Intelligent detection system and detection method for production and manufacturing of backlight module |
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Granted publication date: 20180914 |