CN207409239U - A kind of fixed structure and display brightness detection device - Google Patents
A kind of fixed structure and display brightness detection device Download PDFInfo
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- CN207409239U CN207409239U CN201721428252.XU CN201721428252U CN207409239U CN 207409239 U CN207409239 U CN 207409239U CN 201721428252 U CN201721428252 U CN 201721428252U CN 207409239 U CN207409239 U CN 207409239U
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- clamping limb
- reflector plate
- circuit board
- fixed structure
- push rod
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Abstract
The utility model provides a kind of fixed structure and display brightness detection device, and the fixed structure is used to reflector plate being fixed on photosensitive detection components, so as to be maintained at pre-determined distance between the reflector plate and the photosensitive detection components；The fixed structure includes at least one clamping unit for the reflector plate that is clamped, with first state and the second state, in the first state, the clamping unit clamps the reflector plate, in second state, the clamping unit unclamps the reflector plate.The fixed structure and display brightness detection device of the utility model can remain relatively unchanged over the distance between the reflector plate of backlight module and photosensitive detection components, distance changes and causes luminance sensor detection data inaccurate between reflector plate and luminance sensor caused by solving the problem of due to reflector plate deformation etc..
Description
Technical field
The utility model is related to display technology field more particularly to a kind of fixed structure and display brightness detection devices.
Background technology
Some special dimension displays, such as medical operation display is, it is necessary to detect screen intensity, for different brightness pair
Display effect is adjusted or is corrected by algorithm, ensures optimal display effect.This just needs the backlight illumination to display
It is detected.In general, the backlight illumination of detection display, when carrying out backlight illumination detection, will be carried on the back using photosensitive detection components
The backboard of optical mode group opens a hole, and luminance sensor is placed in this hole of backboard, detection backlight by the brightness after reflector plate,
Display screen brightness is calculated by this brightness.Thus, it is desirable to the brightness value after the reflector plate detected is very accurate.
But reflector plate can cause the distance between reflector plate and luminance sensor that can occur because backlight temperature and contraction or expansion
Variation so that probe value changes, unstable, and influences final testing result.
Utility model content
The purpose of this utility model is to provide a kind of fixed structure and display brightness detection devices, can make backlight mould
The distance between reflector plate and photosensitive detection components of group remain relatively unchanged over, and solve caused by due to being deformed etc. reflector plate
Distance changes between reflector plate and luminance sensor, and the problem of cause luminance sensor detection data inaccurate.
Technical solution provided by the utility model is as follows：
A kind of fixed structure, for reflector plate to be fixed on photosensitive detection components so that the reflector plate with it is described photosensitive
Pre-determined distance is maintained between detection components；
The fixed structure includes at least one clamping unit for the reflector plate that is clamped, and with first
State and the second state, in the first state, the clamping unit clamps the reflector plate, in second state, institute
It states clamping unit and unclamps the reflector plate.
Further, the reflector plate includes opposite first surface and second surface, and the photosensitive detection components include
Circuit board and the luminance sensor being arranged on the circuit board；
Each clamping unit includes：
First supporting item, first supporting item include being used to support in the first folder on the first surface of the reflector plate
Gripping arm；
And second supporting item, second supporting item include be pressed on the second surface of the reflector plate second
Clamping limb, second clamping limb can be moved compared with first clamping limb；
Wherein, in the first state, second clamping limb is laminated on first clamping limb, with described first
Clamping limb coordinates, and be clamped the reflector plate；
In second state, second clamping limb is moved on the precalculated position beyond first clamping limb, with
Unclamp the reflector plate.
Further, first supporting item further includes the first support column being fixed on the circuit board, described
First clamping limb is arranged on one end away from the circuit board of first support column；
Second supporting item further includes the second support column being fixed on the circuit board, and second clamping limb is set
In one end away from the circuit board of second support column, and second clamping limb is movably connected in second support
It, being capable of relatively described second support column movement on column.
Further, first supporting item is a L-type harden structure, wherein first support column is and the circuit board
First support plate of perpendicular setting, first clamping limb are second support plate parallel with the circuit board.
Further, it is pivotally connected between second support column and second clamping limb, second support
Part further includes to drive second clamping limb around the rotary drive mechanism pivoted, the rotary drive mechanism with
The second clamping limb connection.
Further, second support column is a hollow column structure, and second clamping limb includes and described the
The first end and the second end opposite with the first end of two support columns connection are equipped with one in the first end of second clamping limb
Promotion face；
The rotary drive mechanism includes：
Push rod, the push rod pass through the circuit board and hollow second support column, and the first end of the push rod
The one side away from second support column of the circuit board is extend out to, the second end of the push rod is resisted against second support
On the promotion face of column, wherein the push rod is located at the opposite sides of the pivot with first clamping limb respectively；
And the push rod movement for driving up the push rod movement in the side closer or far from second clamping limb
Mechanism, the push rod moving mechanism connect the first end of the push rod；
In the first state, the push rod moving mechanism pushes away to close to described in the promotion of the direction of second clamping limb
Bar, the push rod promotes the promotion face, so that second clamping limb is pivoted around described, is laminated on first clamping
On arm；
In second state, the push rod moving mechanism retracts described push away to the direction away from second clamping limb
Bar, so that the promotion face of second clamping limb can be reset on the precalculated position beyond first clamping limb.
Further, the rotary drive mechanism further includes one for making second clamping limb in second state
The reset components of reset, the reset components include the reduction torsion spring being arranged on the pivot.
Further, the push rod moving mechanism includes：
It is arranged on the driving cylinder of the one side away from second support column of the circuit board；And by the driving gas
The piston plate that cylinder driving moves back and forth, wherein the first end of the push rod is fixed on the piston plate.
Further, the driving cylinder and the circuit board electrical connection of the photosensitive detection components, for according to the electricity
Road plate "on" position works.
Further, second clamping limb is a column structure, wherein the second end of second clamping limb has one
Prong structure.
Further, it is on the column structure lateral circle surface of second clamping limb, close to the one side of first clamping limb
One planar structure.
Further, the first magnetic part is equipped on first clamping limb, second clamping limb is equipped with can be with
The second magnetic part that first magnetic part attracts each other.
Further, first magnetic part is the first electromagnet；
Second magnetic part is the iron block being arranged on second clamping limb, alternatively, second magnetic part
To be arranged on the second electromagnet on second clamping limb, opposite with the first electromagnetism ferromagnetism, alternatively, described second
Clamping limb is irony clamping limb；
First supporting item is made of conductive material, and the electromagnet passes through first supporting item and the circuit
Plate is electrically connected.
Further, the component that grips includes at least three clamping units, and at least three clamping unit is enclosed
It is set around the luminance sensor.
A kind of display brightness detection device, for detecting the backlight illumination of display；The display brightness detection dress
It puts including photosensitive detection components and fixed structure as described above, wherein the photosensitive detection components include circuit board and are arranged on
Luminance sensor on the circuit board.
The beneficial effects of the utility model are as follows：
Fixed structure provided by the utility model and display brightness detection device, can be bright in the backlight for carrying out display screen
Degree detection when, which is arranged between the reflector plate of backlight module and photosensitive detection components, play to reflector plate into
The fixed effect of row, and prevent that reflector plate from deforming so that the distance between the reflector plate of backlight module and photosensitive detection components guarantor
Hold it is relatively constant, so as to solve in the prior art reflector plate deformation etc. due to caused by between reflector plate and luminance sensor
Distance changes, and the problem of cause luminance sensor detection data inaccurate, the detection for improving photosensitive detection components is accurate
Rate ensures data validity.
Description of the drawings
Fig. 1 shows the fixed structures provided in the utility model embodiment to be in second when for detecting display brightness
The structure diagram of state；
Fig. 2 represents the fixed structure provided in the utility model embodiment first state when for detecting display brightness
Structure diagram；
Fig. 3 represents the cross-section structure signal of each clamping unit of the fixed structure provided in the utility model embodiment
Figure；
Fig. 4 represents in Fig. 3 a-a to sectional view；
Fig. 5 represents three-dimensional knot of the clamping unit of the fixed structure provided in the utility model embodiment in the second state
Structure schematic diagram；
Fig. 6 represents solid of the clamping unit in first state in the fixed structure provided in the utility model embodiment
Structure diagram；
Fig. 7 represents structure diagram of the fixed structure provided in the utility model embodiment in the second state；
Fig. 8 shows the top views of the fixed structure in Fig. 7.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, it is described
Embodiment is the part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained, shall fall within the protection scope of the present invention.
For in the prior art when the backlight illumination to display is detected, due to deformation of reflector plate etc. and
The problem of causing prohibited data detection true, the utility model provide a kind of fixed structure and display brightness detection device, can
So that the distance between the reflector plate of backlight module and photosensitive detection components remain relatively unchanged over, data accuracy is improved.
The fixed structure that the utility model embodiment is provided, for being arranged at photosensitive detection components and backlight in display
Play fixation between the reflector plate of module so that be maintained between the reflector plate and the photosensitive detection components it is default away from
From；The fixed structure includes at least one clamping unit for the reflector plate that is clamped, and the clamping unit is set
It puts in the photosensitive detection components, and with first state and the second state, in the first state, the clamping unit folder
The reflector plate is handled, in second state, the clamping unit unclamps the reflector plate.
Fixed structure provided by the utility model and display brightness detection device, can be bright in the backlight for carrying out display screen
During degree detection, which is arranged between the reflector plate of backlight module and photosensitive detection components, and adjusts the fixed knot
The clamping unit of structure is first state from the second state transition, and the clamping unit is clamped reflector plate, and plays to anti-
The effect that piece is fixed is penetrated, prevents reflector plate from deforming, so that between the reflector plate of backlight module and photosensitive detection components
Distance remains relatively unchanged over, so as to solve in the prior art due to reflector plate deformation etc. caused by reflector plate and brightness sense
Distance changes between device, and the problem of cause luminance sensor detection data inaccurate, improve the inspection of photosensitive detection components
Accuracy rate is surveyed, ensures data validity；And when detect complete after, can be by the clamping unit of the fixed structure from the first shape
State is converted to the second state, and unclamps the reflector plate, so that the fixed structure can be removed from the reflector plate.
It should be noted that fixed structure provided by the utility model can be not limited only to be applied to display backlight it is bright
During degree detection, keep using during pre-determined distance between photosensitive detection part and reflector plate, other occasions, example can also be applied to
Such as, when needing to keep the distance between two boards part constant, fixed structure provided by the utility model can be applied.
It is provided by the utility model to illustrate below just by taking the fixed structure is for display backlight brightness detection as an example
The preferred embodiment of fixed structure.
As shown in Figures 1 to 8, in the present embodiment, the reflector plate 10 includes opposite first surface and second surface, institute
Stating photosensitive detection components includes circuit board 21 and the luminance sensor 22 being arranged on the circuit board 21；
Each clamping unit 30 includes：
First supporting item 100, first supporting item 100 include the be fixed on the circuit board 21 first support
Column 110 and be arranged on first support column 110 away from the circuit board 21 it is one end, be used to support in the reflector plate
The first clamping limb 120 on 10 first surface；
And second supporting item 200, second supporting item 200 include being fixed on the on the circuit board 21
Two support columns 210 and it is arranged on the one end, described anti-for being pressed in away from the circuit board 21 of second support column 210
The second clamping limb 220 on the second surface of piece 10 is penetrated, second clamping limb 220 is movably connected in second support column
On 210, and can relatively described second support column 210 move；
Wherein, in the first state, second clamping limb 220 is laminated on first clamping limb 120, with institute
It states the first clamping limb 120 to coordinate, be clamped the reflector plate 10；
In second state, second clamping limb 220 moves to the precalculated position beyond first clamping limb 120
On, to unclamp the reflector plate 10.
Before being illustrated to said program, it is necessary first to explanation, fixed structure provided by the utility model
The backlight illumination detection of device is displayed for, when carrying out backlight illumination detection, one will be opened on the backboard 40 of backlight module
Luminance sensor 22 can be positioned in the hole on the backboard 40 (being lamp plate 20 between backboard 40 and reflector plate 10) by hole, and
Through hole will be opened up on reflector plate 10, in order to which clamping unit 30 is passed through out of reflector plate 10 through hole, to clamp reflector plate 10
Opposite first surface and second surface, prevents reflector plate 10 from deforming, so as to pass through the brightness after reflector plate 10 to detect backlight.
Secondly, in said program, the clamping unit 30 is realized using two supporting items, one of support
Part is the first supporting item 100 being fixed on the circuit board 21 of photosensitive detection components, and the first support column 110 plays support and makees
With, and first clamping limb 120 on the top of the first support column 110 plays the role of supporting the first surface of reflector plate 10；In addition
One supporting item is the second supporting item 200 being fixed on the circuit board 21 of photosensitive detection components, the height of the second support column 210
Degree should be slightly above the height of the first support column 110, can pass through institute on reflector plate 10 in order to the top of second support column 210
The through hole opened up, and extend into above the second surface of reflector plate 10, so that second clamping on 210 top of the second support column
Arm 220 can be therewith extend on the second surface of reflector plate 10.
When carrying out backlight illumination detection, first, by the circuit board 21 of the photosensitive detection components and luminance sensor 22
It is moved in the hole of backboard 40, adjusts second clamping limb 220 and be in the second state, at this point, the second clamping limb 220 can be with
First support column 110 is on same straight line or slightly minimum angle, by the first support column 110 and the second support column 210
It moves up so that passed through in the through hole that the second clamping limb 220 is opened up from reflector plate 10, extend into the second surface of reflector plate 10
Top, and first support column, 110 and first clamping limb 120 be then supported in below the first surface of reflector plate 10 (such as Fig. 1,
Shown in Fig. 3 and Fig. 5)；Then, by the way that second clamping limb 220 is controlled to move to first state so that the second clamping limb 220
It moves to perpendicular with the second support column 210, and is laminated on the first clamping limb 120, so as to match somebody with somebody co-clip with the first clamping limb 120
It holds and secures the above reflector plate 10, backlight illumination (as shown in Figure 2 and Figure 6) at this time is detected by luminance sensor 22 at this time；When
After the completion of detection, the second clamping limb 220 of control moves to the second state so that the second clamping limb 220 is restored to the first clamping limb
On precalculated position beyond 120, at this point, the second clamping limb 220 can be on same straight line or be omited with the first support column 110
There is minimum angle (as shown in Figure 1 and Figure 5), then move down the first support column 110 and the second support column 210 so that second
It is retracted in the through hole that clamping limb 220 is opened up from reflector plate 10, and completes the detection of backlight illumination.
It should be noted that in said program, the clamping unit 30 is clamped using two support columns and two
The matched mode of arm, support column can be played a supporting role between circuit board 21 and reflector plate 10, and by reflector plate 10 with
It is constant that circuit board 21 is maintained at pre-determined distance, and two clamping limbs can then clamp reflector plate 10, and playing prevents reflector plate 10
The purpose of deformation, in practical applications, the concrete structure of the clamping unit 30 can be not limited merely to this, such as：It is described
Clamping unit 30 can also be using a support column arrangement, and two folders that can be relatively movable are set on the top of the support column
Gripping arm etc..
In addition, as shown in Figures 3 to 6, in preferred embodiment provided by the utility model, first supporting item
100 be a L-type harden structure, wherein first support column 110 is the first support plate with the 21 perpendicular setting of circuit board
Part 111, first clamping limb 120 are second support plate 112 parallel with the circuit board 21.It is this simple in structure,
Easily molded making.Of course, it should be understood that in practical applications, the concrete structure of first supporting item 100 and not only office
It is limited to this, for example, first supporting item 100 can also be a supporting block, there is a supporting surface in the supporting block；For described
The concrete structure of first supporting item 100 will not enumerate.
In addition, in preferred embodiment provided by the utility model, as shown in figure 3, second support column 210 and institute
It states and is connected by pivot 260 between the second clamping limb 220, second supporting item 200 further includes to drive second folder
The rotary drive mechanism that gripping arm 220 is rotated around the pivot 260, the rotary drive mechanism connect with second clamping limb 220
It connects.
Using the above program, it is rotatable connection mode between second support column 210 and second clamping limb 220,
It is rotated using the second clamping limb 220 compared with the second support column 210, to realize the second clamping limb 220 in first state and second
Switching between state, wherein in first state, the central axes of second clamping limb 220 and second support column 210
On same straight line or slightly angle, in the second state, second clamping limb 220 can be compared with described second
Dagger 210 is and perpendicular with the second support column 210 to the side to overturn where first clamping limb 120, and is laminated on first
On clamping limb 120.
Of course, it should be understood that in practical applications, second clamping limb 220 and first clamping limb 120 it
Between movable connection method be not limited merely to this rotatable connection mode, can also be using other modes, it is not another to this
One enumerates.
In addition, in preferred embodiment provided by the utility model, as shown in Figures 1 to 6, second support column
210 be a hollow column structure, second clamping limb 220 include the first end that is connected with second support column 210 and
The second end opposite with the first end is equipped with one in the first end of second clamping limb 220 and promotes face 211；
The rotary drive mechanism includes：
Push rod 230, the push rod 230 passes through the circuit board 21 and hollow second support column 210, and described pushes away
The first end of bar 230 extend out to the one side away from second support column 210 of the circuit board 21, and the of the push rod 230
Two ends are resisted against on the promotion face 211 of second support column 210, wherein the push rod 230 divides with first clamping limb 120
Not Wei Yu the pivot 260 opposite sides；
It is moved for driving up the push rod that the push rod 230 moves in the side closer or far from second clamping limb 220
Motivation structure 240, the push rod moving mechanism 240 connect the first end of the push rod 230；
And one for making the reset components that second clamping limb 220 is resetted in second state, the reset
Component includes the reduction torsion spring 250 being arranged on the pivot 260；
In the first state, the push rod moving mechanism 240 promotes institute to close to the direction of second clamping limb 220
Push rod 230 is stated, the push rod 230 promotes the promotion face 211, so that second clamping limb 220 is revolved around the pivot 260
Turn, be laminated on first clamping limb 120；
In second state, the push rod moving mechanism 240 retracts institute to the direction away from second clamping limb 220
Push rod 230 is stated, so that the promotion face 211 of second clamping limb 220 can be reset to the institute beyond first clamping limb 120
It states on precalculated position.
Using the above program, the rotary motion of second clamping limb 220 is completed using a push rod 230, wherein
The push rod 230 can move up and down inside the second support column 210, and 230 top of push rod is resisted against the second clamping limb 220
On the promotion face 211 of bottom, when being detected, after the circuit board 21 of photosensitive detection components is placed in the hole of backboard 40,
Using push rod moving mechanism 240, the push rod 230 is promoted to close to the direction of the second clamping limb 220, i.e. 230 uplink of push rod,
Then the push rod 230 can be pushed to the promotion face 211 of 220 bottom of the second clamping limb, due to the push rod 230 and described the
One clamping limb 120 is located at the opposite sides of the pivot 260 respectively, then can cause promotion of second clamping limb 220 in push rod 230
Under effect, rotated around the pivot 260, and to the side to overturn where first clamping limb 120, and with the second support column
210 is perpendicular, is finally laminated on the first clamping limb 120；After completion is detected, by the push rod 230 to away from the second folder
The direction movement of gripping arm 220, i.e. 230 downlink of push rod, then second clamping limb 220 can under the elastic reaction of resetting spring,
To away from first clamping limb 120 direction overturn, be finally restored to on 210 same straight line of the second support column or slightly press from both sides
On the position at angle, in order to exit the through hole on reflector plate 10.
In addition, in preferred embodiment provided by the utility model, it is preferred that the push rod 230 is a probe structure.
In addition, in preferred embodiment provided by the utility model, it is preferred that as depicted in figs. 1 and 2, the push rod
Moving mechanism 240 includes：It is arranged on the driving cylinder 241 of the one side away from second support column 210 of the circuit board 21；
And the piston plate 242 to move back and forth is driven by the driving cylinder 241, wherein the first end of the push rod 230 is fixed on
On the piston plate 242.
Using the above program, the up and down motion of the push rod 230 is by separate second support column 210 in circuit board 21
One side set by piston plate 242 and driving cylinder 241 realize, it is ingenious in design, due to the circuit of photosensitive detection components
Plate 21 and the distance between reflector plate 10 are very short, are not easy to set 230 moving structure of push rod, in said program, will be used to move
The piston plate 242 and driving cylinder 241 of dynamic push rod 230 are arranged on the one side away from the second support column 210 of circuit board 21, can
Enough purposes for realizing 220 activity of the second clamping limb of control, solve the problems, such as insufficient space, and easy to operation.
Of course, it should be understood that in practical applications, for driving the rotary drive mechanism of the second clamping limb 220 rotation
Concrete structure be not limited merely to this.
Furthermore it is preferred that, the driving cylinder 241 is electrically connected with the circuit board 21 of the photosensitive detection components, for root
It works according to 21 "on" position of circuit board.
Using the above program, the driving cylinder 241 can be by the 21 power on/off shape of circuit board of the photosensitive detection components
State is controlled, when the circuit board 21 is powered, and proceeds by backlight illumination detection, the driving cylinder 241 same time control
230 uplink of push rod is made, and the second clamping limb 220 is promoted to be overturn to 120 side of the first clamping limb, and is gripped anti-
Piece 10 is penetrated, when the circuit board 21 powers off, the driving cylinder 241 then controls 230 downlink of push rod simultaneously, and causes second
Clamping limb 220 recovers to the second state.Of course, it should be understood that the driving cylinder 241 can also individually be controlled.
In addition, in the preferred embodiment of the utility model, as shown in Figure 5 and Figure 6, second clamping limb 220 is one
Column structure, wherein the second end of second clamping limb 220 has a prong structure.
Using the above program, it is prong structure by the tip designs of second clamping limb 220, convenient for the second clamping limb
220 extend into the through hole of reflector plate 10.
In addition, in preferred embodiment provided by the utility model, as shown in Figure 5 and Figure 6, second clamping limb
It is a planar structure on 220 column structure lateral circle surface, close to the one side of first clamping limb 120.
Using the above program, since the second clamping limb 220 close to the one side side of first clamping limb 120 can be laminated on the
The top of one clamping limb 120, therefore, which is preferably planar structure.
It should be noted that as a preferred embodiment, in order to ensure that the first clamping limb 120 and the second clamping limb 220 exist
When clamping reflector plate 10, reflector plate 10 will not be caused to damage, in the first clamping limb 120 and the second clamping limb 220 and reflector plate
Elastomeric layer is also provided on 10 faces being in contact, for example, in the supporting surface towards reflector plate of the first clamping limb 120
Upper setting elastomeric layer, on the column structure lateral circle surface of second clamping limb 220, close to first clamping limb 120
One side planar structure on elastomeric layer is set.
In addition, in preferred embodiment provided by the utility model, as shown in Figures 3 to 6, in first clamping limb
120 are equipped with the first magnetic part 130, and second clamping limb 220, which is equipped with, mutually to be inhaled with first magnetic part 130
The second magnetic part drawn.
Using the above program, magnetic part is set respectively on 120 and second clamping limb 220 of the first clamping limb, it can be with
During so that promoting second clamping limb 220 to the direction uplink close to the second clamping limb 220 when push rod 230, when the second clamping
Arm 220 under the promotion of push rod 230, around pivot 260 to 120 side of the first clamping limb flip an angle when, the can be subject to
Magnetic attracting force on one clamping limb 120, reset response power when which turn 90 degrees more than resetting spring, therefore,
Second clamping limb 220 can be tightly bonded and the reflector plate 10 that is clamped with the first clamping limb 120.
Preferably, first magnetic part 130 is the first electromagnet；Second magnetic part is is arranged on described the
Iron block on two clamping limbs 220, alternatively, second magnetic part be arranged on it is on second clamping limb 220, with it is described
The second opposite electromagnet of first electromagnetism ferromagnetism, alternatively, second clamping limb 220 is irony clamping limb；Described first
Support member 100 is made of conductive material, and the electromagnet is electrically connected by first supporting item 100 with the circuit board 21.
Using the above program, the first magnetic part 130 on first clamping limb 120 is electromagnet, and first supports
Part 100 is supported using conductive material, and is electrically connected with the circuit board 21 of photosensitive detection components, in this way, when circuit board 21 is logical
When electric, the first electromagnet energization band is magnetic, and the driving cylinder 241 works at the same time, and the second clamping limb 220 is existed
Push rod 230 is overturn under promoting to 120 side of the first clamping limb, and is overturn by magnetic attracting force；And when detection terminates
Afterwards, the circuit board 21 powers off, then first magnetic part 130 powers off, 120 and second clamping limb of the first clamping limb
Magnetic attracting force between 220 disappears, the second clamping limb 220 smoothly recover under the action of resetting spring to the second support column
On 210 same straight lines or slightly on the position of angle.
It should be noted that in the other embodiment of the utility model, 120 and second clamping limb of the first clamping limb
Magnetic part on 220 can also be other modes, be not limited merely to this, also, first on the first clamping limb 120 is magnetic
The working condition of component 130 can also individually be controlled.In addition, as shown in Figure 7 and Figure 8, provided by the utility model excellent
It selects in embodiment, the component that grips includes at least three clamping units 30, and at least three clamping unit 30 surrounds
The luminance sensor 22 is set.
Using the above program, at least three clamping units 30 around luminance sensor 22 are set, is conducive to prevent from reflecting
Piece 10 deforms.
In addition, a kind of display brightness detection device is additionally provided in the embodiment of the utility model, it is aobvious for detecting
Show the backlight illumination of device；The display brightness detection device includes photosensitive detection components and the utility model embodiment is provided
Fixed structure, wherein the photosensitive detection components include circuit board 21 and the luminance sensor that is arranged on the circuit board 21
22。
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (15)
1. a kind of fixed structure, for reflector plate (10) to be fixed on photosensitive detection components, so that the reflector plate (10) and institute
It states and is maintained at pre-determined distance between photosensitive detection components；
It is characterized in that, the fixed structure includes at least one clamping unit for the reflector plate (10) that is clamped
(30), and with first state and the second state, in the first state, the clamping unit (30) clamps the reflector plate
(10), in second state, the clamping unit (30) unclamps the reflector plate (10).
2. fixed structure according to claim 1, which is characterized in that
The reflector plate (10) includes opposite first surface and second surface, and the photosensitive detection components include circuit board (21)
And it is arranged on the luminance sensor (22) on the circuit board (21)；
Each clamping unit (30) includes：
First supporting item (100), first supporting item (100) include being used to support in the first surface of the reflector plate (10)
On the first clamping limb (120)；
And second supporting item (200), second supporting item (200) include being pressed in the second table of the reflector plate (10)
The second clamping limb (220) on face, second clamping limb (220) can move compared with first clamping limb；
Wherein, in the first state, second clamping limb (220) is laminated on first clamping limb (120), with institute
The first clamping limb (120) cooperation is stated, be clamped the reflector plate (10)；
In second state, second clamping limb (220) moves to the precalculated position beyond first clamping limb (120)
On, to unclamp the reflector plate (10).
3. fixed structure according to claim 2, which is characterized in that
First supporting item (100) further includes the first support column (110) being fixed on the circuit board (21), described
First clamping limb (120) is arranged on one end away from the circuit board (21) of first support column (110)；
Second supporting item (200) further includes the second support column (210) being fixed on the circuit board (21), and described second
Clamping limb (220) is arranged on one end away from the circuit board (21) of second support column (210), and second clamping
Arm (220) is movably connected on second support column (210), being capable of relatively described second support column (210) movement.
4. fixed structure according to claim 3, which is characterized in that
First supporting item (100) is a L-type harden structure, wherein first support column (110) is and the circuit board
(21) the first support plate (111) of perpendicular setting, first clamping limb (120) are parallel with the circuit board (21)
The second support plate (112).
5. fixed structure according to claim 3, which is characterized in that
It is connected between second support column (210) and second clamping limb (220) by pivot (260), described second
Support member (200) further includes the rotary drive mechanism that second clamping limb (220) is driven to be rotated around the pivot (260),
The rotary drive mechanism is connected with second clamping limb (220).
6. fixed structure according to claim 5, which is characterized in that
Second support column (210) is a hollow column structure, and second clamping limb (220) includes and described second
The first end and the second end opposite with the first end of dagger (210) connection, in the first end of second clamping limb (220)
Face (211) are promoted equipped with one；
The rotary drive mechanism includes：
Push rod (230), the push rod (230) pass through the circuit board (21) and hollow second support column (210), and institute
The first end for stating push rod (230) extend out to the one side away from second support column (210) of the circuit board (21), described to push away
The second end of bar (230) is resisted against on the promotion face (211) of second support column (210), wherein the push rod (230) and institute
State the opposite sides that the first clamping limb (120) is located at the pivot (260) respectively；
And the push rod (230) is mobile to be pushed away for being driven up in the side closer or far from second clamping limb (220)
Bar moving mechanism (240), the push rod moving mechanism (240) connect the first end of the push rod (230)；
In the first state, the push rod moving mechanism pushes away to close to described in the promotion of the direction of second clamping limb (220)
Bar (230), the push rod (230) promotes the promotion face (211), so that second clamping limb (220) is around the pivot
(260) rotate, be laminated on first clamping limb (120)；
In second state, the push rod moving mechanism (240) retracts institute to the direction away from second clamping limb (220)
Push rod (230) is stated, so that the promotion face (211) of second clamping limb (220) can be reset to first clamping limb (120)
On the precalculated position in addition.
7. fixed structure according to claim 5, which is characterized in that
The rotary drive mechanism further includes one for making what second clamping limb (220) resetted in second state to answer
Position component, the reset components include the reduction torsion spring being arranged on the pivot.
8. fixed structure according to claim 6, which is characterized in that
The push rod moving mechanism (240) includes：
It is arranged on the driving cylinder (241) of the one side away from second support column (210) of the circuit board (21)；And by
The driving cylinder (241) drives the piston plate (242) to move back and forth, wherein the first end of the push rod (230) is fixed
On the piston plate (242).
9. fixed structure according to claim 8, which is characterized in that
The driving cylinder (241) is electrically connected with the circuit board (21) of the photosensitive detection components, for according to the circuit board
(21) "on" position works.
10. fixed structure according to claim 6, which is characterized in that
Second clamping limb (220) is a column structure, wherein the second end of second clamping limb (220) has a tip
Structure.
11. fixed structure according to claim 10, which is characterized in that
It is one flat on the column structure lateral circle surface of second clamping limb (220), close to the one side of first clamping limb (120)
Face structure.
12. fixed structure according to claim 2, which is characterized in that
The first magnetic part (130) is equipped on first clamping limb (120), second clamping limb (220) is equipped with can
The second magnetic part to attract each other with first magnetic part (130).
13. fixed structure according to claim 12, which is characterized in that
First magnetic part (130) is the first electromagnet；
Second magnetic part is the iron block being arranged on second clamping limb (220), alternatively, second magnetic part
To be arranged on the second on second clamping limb (220), opposite with the first electromagnetism ferromagnetism electromagnet, alternatively, institute
The second clamping limb (220) is stated as irony clamping limb；
First supporting item (100) is made of conductive material, and the electromagnet passes through first supporting item (100) and institute
State circuit board (21) electrical connection.
14. fixed structure according to claim 2, which is characterized in that
The component that grips includes at least three clamping units (30), and at least three clamping unit (30) is around described
Luminance sensor (22) is set.
15. a kind of display brightness detection device, for detecting the backlight illumination of display；It is characterized in that, the display
Luminance detection device includes photosensitive detection components and such as claim 1 to 14 any one of them fixed structure, wherein the sense
Photodetection assembly includes circuit board (21) and the luminance sensor (22) being arranged on the circuit board (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428252.XU CN207409239U (en) | 2017-10-31 | 2017-10-31 | A kind of fixed structure and display brightness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428252.XU CN207409239U (en) | 2017-10-31 | 2017-10-31 | A kind of fixed structure and display brightness detection device |
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| CN207409239U true CN207409239U (en) | 2018-05-25 |
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ID=62409338
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| CN201721428252.XU Active CN207409239U (en) | 2017-10-31 | 2017-10-31 | A kind of fixed structure and display brightness detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962177A (en) * | 2018-08-28 | 2018-12-07 | Oppo（重庆）智能科技有限公司 | The driving method of a kind of electronic equipment and its liquid crystal display |
| CN109727560A (en) * | 2017-10-31 | 2019-05-07 | 京东方科技集团股份有限公司 | A kind of fixed structure and display brightness detection device |
| CN113539063A (en) * | 2020-04-21 | 2021-10-22 | 苏州佳世达电通有限公司 | Display containing color correction module |
-
2017
- 2017-10-31 CN CN201721428252.XU patent/CN207409239U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727560A (en) * | 2017-10-31 | 2019-05-07 | 京东方科技集团股份有限公司 | A kind of fixed structure and display brightness detection device |
| WO2019085783A1 (en) * | 2017-10-31 | 2019-05-09 | 京东方科技集团股份有限公司 | Fixing structure for fixing reflective sheet and display brightness detection device |
| US11255720B2 (en) | 2017-10-31 | 2022-02-22 | Boe Technology Group Co., Ltd. | Fixing structure for fixing reflector to a photosensitive detecting assembly and device for detecting display brightness |
| CN108962177A (en) * | 2018-08-28 | 2018-12-07 | Oppo（重庆）智能科技有限公司 | The driving method of a kind of electronic equipment and its liquid crystal display |
| CN113539063A (en) * | 2020-04-21 | 2021-10-22 | 苏州佳世达电通有限公司 | Display containing color correction module |
| CN113539063B (en) * | 2020-04-21 | 2023-05-23 | 苏州佳世达电通有限公司 | Display comprising color correction module |
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