CN108679408A - A kind of brightness regulating circuit and display equipment - Google Patents
A kind of brightness regulating circuit and display equipment Download PDFInfo
- Publication number
- CN108679408A CN108679408A CN201810537596.7A CN201810537596A CN108679408A CN 108679408 A CN108679408 A CN 108679408A CN 201810537596 A CN201810537596 A CN 201810537596A CN 108679408 A CN108679408 A CN 108679408A
- Authority
- CN
- China
- Prior art keywords
- sliding groove
- sliding shoe
- sliding
- top pressure
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
Abstract
The invention discloses a kind of display equipment,Including the mounting plate being fixedly mounted in wall and advertisement screen assembly,The advertisement screen assembly includes fixed plate and advertisement screen,It is provided with fixing groove in the fixed plate right side,The advertisement screen is fixedly mounted in the fixing groove,Opening is provided in the mounting plate towards the first right sliding groove and locating slot symmetrical above and below,Above and below first sliding groove the second sliding groove is provided in end wall,The second sliding groove right end is provided with the first inclined-plane,The first sliding shoe to horizontally slip is installed in first sliding groove,The through-hole that left and right communicates is provided in the sliding shoe,It is symmetrical above and below in the through-hole wall to be provided with telescopic chute,The expansion plate extended up and down is slidably fitted in the telescopic chute,Described expansion plate one end extend into second sliding groove and is rotatably mounted with the first idler wheel,The other end is extend into the through-hole.
Description
Technical field
The present invention relates to electronic technology field, specifically a kind of brightness regulating circuit and display equipment.
Background technology
With the continuous development of electronic technology, display equipment is constantly applied, and display equipment mainly has computer monitor, electricity
Depending on machine, advertisement screen etc., advertisement screen is typically mounted at outdoor, is used for gray advertising display, and traditional advertisement screen is general
All it is to be mounted in wall by many screws, installation and removal are all cumbersome, and the electrician of profession is needed to carry out electric wire
Wiring, construction efficiency can be substantially reduced, and traditional advertisement screen brightness is unadjustable, when outdoor light is stronger, advertisement screen
The opposite light of content meeting is not easy to be seen by pedestrian when weaker, therefore can influence the demonstration effect of advertisement.
Invention content
Deficiency in view of the above technology, the present invention propose a kind of brightness regulating circuit and display equipment.
A kind of brightness regulating circuit and display equipment of apparatus of the present invention, including the mounting plate that is fixedly mounted in wall with
And advertisement screen assembly, the advertisement screen assembly include fixed plate and advertisement screen, and fixation is provided in the fixed plate right side
Slot, the advertisement screen are fixedly mounted in the fixing groove, be provided in the mounting plate opening towards the first right sliding groove with
And locating slot symmetrical above and below, first sliding groove are provided with the second sliding groove in end wall up and down, second sliding groove is right
End is provided with the first inclined-plane, and the first sliding shoe to horizontally slip is equipped in first sliding groove, is arranged in the sliding shoe
There is the through-hole that communicates of left and right, it is symmetrical above and below in the through-hole wall to be provided with telescopic chute, it is slidably fitted in the telescopic chute
The expansion plate of lower extension, described expansion plate one end extend into second sliding groove and are rotatably mounted with the first idler wheel,
The other end is extend into the through-hole, is provided with third sliding groove between first sliding groove and the locating slot, and described
It is provided with the drive cavity extended up and down on the left of one sliding groove, is equipped with can turning between the drive cavity and first sliding groove
The first threaded rod that left and right extends, the first threaded rod right end are extend into first sliding groove, left end and fixed installation
Driving motor be connected by power in the drive cavity left end wall is slidably fitted with the second sliding shoe in the third sliding groove,
It is provided with and is open towards the first left internal thread groove in the second sliding shoe, it can between the third sliding groove and the drive cavity
It is rotatably mounted the second threaded rod that left and right extends, it is left that the second threaded rod left end is installed in rotation on the drive cavity
In end wall, right end and the first internal thread groove screw-thread fit are provided in the drive cavity and are fixed with first threaded rod
The driving pulley of connection and the driven pulley being fixedly connected with second threaded rod, the driving pulley and the driven belt
Wheel by transmission belt be connected by power, be additionally provided in the second sliding shoe left and right communicate and be open towards the locating slot the
Four sliding grooves are slidably fitted with the third sliding shoe that left and right extends, third sliding shoe right side in the 4th sliding groove
It is provided with the second inclined-plane, the 5th interconnected sliding groove is provided between the third sliding groove and the locating slot, it is described
The 4th sliding shoe is slidably fitted in 5th sliding groove, the 4th sliding shoe is rotationally pacified towards the end face of the locating slot
Equipped with the second idler wheel, the end face of the 4th sliding shoe towards the third sliding groove is provided with to be coordinated with second inclined-plane
Third inclined-plane, third sliding groove right side are installed with the power supply piece being electrically connected with city, the second sliding shoe right end
Face is installed with the first conducting block, and third sliding shoe left side is installed with the second conducting block, the third sliding
Slot left end wall is installed with the third conducting block with second conducting block in the same horizontal line, the locating slot left side
Be installed with the 4th conducting block, the fixed plate left side be installed with the clamping block that coordinates with first sliding groove with
And the locating rod with locating slot cooperation, opening is provided in the clamping block towards a left side and with first shaft
Second internal thread groove is installed with light intensity sensor in the fixed plate right side.
Valuably or illustratively, wherein be provided with opening in the locating rod and match towards a left side and with the 4th conducting block
The slot of conjunction is installed with the conductive sheet being electrically connected with the light intensity sensor and advertisement screen in the slot inner wall.
Valuably or illustratively, wherein first sliding shoe left side is installed with and first sliding groove
The elastic component that left end wall is fixedly connected is symmetrically arranged with the first limiting slot, first limit in the telescopic chute left hand end wall
It is slidably fitted with the first limited block being fixedly connected with the expansion plate in slot, is equipped in first limiting slot and the first limit
The first top pressure spring for offseting of position block, first top pressure spring to by first limited block towards second sliding groove
Top pressure, and the elastic force of the elastic component is much larger than the elastic force of first top pressure spring, so as to keep first sliding shoe right
End face is concordant with the mounting plate right side.
Valuably or illustratively, wherein be symmetrically arranged with the second limiting slot in end wall before and after the 4th sliding groove, institute
The second limited block for being slidably fitted in the second limiting slot and being fixedly connected with the third sliding shoe is stated, second limited block is left
End face is installed with the second top pressure spring being fixedly connected with the third limiting slot left end wall, and second top pressure spring is used
With by second limited block to the right top pressure and offset with the second limiting slot right end wall.
Valuably or illustratively, wherein be symmetrically arranged with third limiting slot in the 5th sliding groove left hand end wall, institute
The third limited block for being slidably fitted in third limiting slot and being fixedly connected with the 4th sliding shoe is stated, in the third limiting slot
The third top pressure spring to offset with the third limited block is installed, the third top pressure spring is to by the third limited block
The third inclined-plane is set to extend into the third sliding groove and second inclined-plane phase towards the third sliding groove top pressure
It supports.
Valuably or illustratively, wherein the elastic force of second top pressure spring is much larger than the third top pressure spring
Elastic force, to which during the second sliding shoe slides to the right, the third sliding shoe can slide the described 4th to the right
Sliding shoe is slided towards the locating slot.
A kind of brightness regulating circuit, including the first conducting block be electrically connected with second conducting block circuit one, described
Circuit two that three conducting blocks are electrically connected with the 4th conducting block, the 4th conducting block and it is fixedly mounted on the installation control in the block
The circuit three of device connection processed.
The beneficial effects of the invention are as follows：
In the initial state due to apparatus of the present invention, under the action of the elastic component, first sliding shoe right side and institute
It is concordant to state mounting plate right side, first top pressure spring is pressurized and two expansion plates is made to extend into the through-hole and described will lead to
Hole separates, and to which first threaded rod is isolated from the outside, thus can prevent the first threaded rod corrosion；
The locating rod when in use, is directed at the locating slot and is inserted into the locating slot, described by apparatus of the present invention
During locating rod is moved to the left, the clamping block pushes the first sliding shoe to slide to the left, and first sliding shoe is slided to the left
Dynamic process, under the action of first top pressure spring, thus the expansion plate allows described first far from the through-hole
Threaded rod is extend into the through-hole, and when second internal thread groove just coordinates with the first threaded rod, the locating rod is left
End face is located on the left of the 5th sliding groove, starts the driving motor at this time, and the driving motor drives first screw thread
Bar rotates, and first threaded rod drives the clamping block to slide to the left, and the driving pulley can be driven by the transmission belt
The driven pulley rotation, so as to drive second threaded rod to rotate, second threaded rod can drive described when rotating
The second sliding shoe slides to the right, since second idler wheel can not be extend into the locating slot, the thus third sliding shoe
Position remains stationary as, to which second conducting block and third conducting block holding offset, when the fixed plate and the peace
When loading board offsets, first conducting block offsets with the power supply piece, and the 4th conducting block coordinates with the slot, by
This, the circuit one, circuit two are connected with the light intensity sensor and the advertisement screen, to the light intensity sensor
It can work with the advertisement screen, and since first threaded rod and second internal thread groove coordinate, to which described first slides
Motion block is locked in first sliding groove, under the action of the elastic component, so as to make first threaded rod and institute
It states the second internal thread groove and stablizes cooperation；
Apparatus of the present invention can drive the second sliding shoe and third sliding shoe when original state starts the driving motor
It slides to the right, second idler wheel can be driven to extend into the locating slot during third sliding shoe slides to the right
In, thus second conducting block can be disengaged with the third conducting block, the circuit one and two open circuit of circuit, therefore,
Even if first conducting block offsets with the power supply piece, the 4th conducting block will not be powered, and thus substantially increase use
Electric safety；
And apparatus of the present invention can perceive the intensity of ambient light by light intensity sensor, therefore, in light intensity compared with Gao Shike
The brightness of the advertisement screen is turned up by the controller, and when light is weaker, advertisement screen can be turned down by the controller
Brightness, be all readily seen that the advertisement of advertisement screen is launched when thus can be stronger or weaker in light；
Apparatus of the present invention are simple in structure, and installation and removal are convenient.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only one invented
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of brightness regulating circuit of the present invention and shows the structural schematic diagram of equipment.
Fig. 2 is the enlarged structure schematic diagram at third sliding groove in Fig. 1.
Fig. 3 is the enlarged structure schematic diagram at the first sliding groove in Fig. 1.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive spy
Other than sign and/or step, it can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
As shown in Figure 1 to Figure 3, a kind of display equipment of apparatus of the present invention, including the mounting plate that is fixedly mounted in wall
10 and advertisement screen assembly, the advertisement screen assembly includes fixed plate 50 and advertisement screen 53, in 50 right side of the fixed plate
It is provided with fixing groove, the advertisement screen 53 is fixedly mounted in the fixing groove, and opening is provided in the mounting plate 10 towards the right side
The first sliding groove 27 and locating slot 12 symmetrical above and below, be provided with the second sliding in first sliding groove, about 27 end wall
Slot 19,19 right end of the second sliding groove be provided with the first inclined-plane 20, is equipped with and horizontally slips in first sliding groove 27
First sliding shoe 28, is provided with the through-hole 26 that left and right communicates in the sliding shoe 28, symmetrical above and below in 26 inner wall of the through-hole to set
It is equipped with telescopic chute, the expansion plate 22 extended up and down is slidably fitted in the telescopic chute, 22 one end of the expansion plate extend into institute
It states in the second sliding groove 19 and is rotatably mounted with the first idler wheel 21, the other end is extend into the through-hole 26, and described first
Third sliding groove 42 is provided between sliding groove 27 and the locating slot 12, first sliding groove, 27 left side is provided with downward
The drive cavity 13 stretched is equipped with the first screw thread that left and right extends in which can turn between the drive cavity 13 and first sliding groove 27
Bar 15,15 right end of the first threaded rod are extend into first sliding groove 27, left end and are fixedly mounted on the drive cavity
14 be connected by power of driving motor in 13 left end walls is slidably fitted with the second sliding shoe 44 in the third sliding groove 42, described
Opening is provided in the second sliding shoe 44 towards the first left internal thread groove, between the third sliding groove 42 and the drive cavity 13
It is rotatably mounted with the second threaded rod 30 that left and right extends, 30 left end of the second threaded rod is installed in rotation on the biography
It moves in 13 left end wall of chamber, right end and the first internal thread groove screw-thread fit, is provided with and described first in the drive cavity 13
The driving pulley 17 that threaded rod 15 is fixedly connected and the driven pulley 29 being fixedly connected with second threaded rod 15, the master
Movable belt pulley 17 and the driven pulley 29 are additionally provided with left and right phase by 16 be connected by power of transmission belt in the second sliding shoe 44
The 4th sliding groove that is logical and being open towards the locating slot 12 is slidably fitted with the third that left and right extends in the 4th sliding groove
Sliding shoe 33,33 right side of third sliding shoe are provided with the second inclined-plane 34, the third sliding groove 42 and the locating slot
It is provided with the 5th interconnected sliding groove 35 between 12, the 4th sliding shoe 45 is slidably fitted in the 5th sliding groove 35,
The end face of 4th sliding shoe 45 towards the locating slot 12 is rotatably mounted with the second idler wheel 36, the 4th sliding shoe
45 are provided with the third inclined-plane 40 coordinated with second inclined-plane 34 towards the end face of the third sliding groove 42, and the third is slided
Dynamic 42 right side of slot is installed with the power supply piece 41 being electrically connected with city, and 44 right side of the second sliding shoe is installed with the
One conducting block 43,33 left side of third sliding shoe are installed with the second conducting block 32,42 left end of third sliding groove
Wall is installed with the third conducting block 31 with second conducting block 32 in the same horizontal line, 12 left side of the locating slot
12 be installed with the 4th conducting block 11, and 50 left side of the fixed plate is installed with to be coordinated with first sliding groove 27
Clamping block 51 and the locating rod 55 coordinated with the locating slot 12, opening is provided in the clamping block 51 towards a left side and with it is described
Second internal thread groove 52 of the first threaded rod 15 cooperation, the fixed plate are installed with light intensity sensor in 50 right side
54。
Valuably or illustratively, wherein be provided in the locating rod 55 opening towards a left side and with the 4th conducting block
The slots 56 of 11 cooperations, are installed in 56 inner wall of the slot and are electrically connected with the light intensity sensor 54 and advertisement screen 53
Conductive sheet.
Valuably or illustratively, wherein 28 left side of the first sliding shoe is installed with and first sliding
The elastic component 18 that 27 left end wall of slot is fixedly connected is symmetrically arranged with the first limiting slot 23 in the telescopic chute left hand end wall, described
The first limited block 24 being fixedly connected with the expansion plate 22, first limiting slot 23 are slidably fitted in first limiting slot 23
In the first top pressure spring 25 to offset with the first limited block 24 is installed, first top pressure spring 25 by described first limiting
Position block 24 is towards 19 top pressure of the second sliding groove, and the elastic force of the elastic component 18 is much larger than first top pressure spring 25
Elastic force, so as to keep 28 right side of the first sliding shoe concordant with 10 right side of the mounting plate.
Valuably or illustratively, wherein be symmetrically arranged with the second limiting slot in end wall before and after the 4th sliding groove, institute
State the second limited block for being slidably fitted in the second limiting slot and being fixedly connected with the third sliding shoe 33, second limited block
Left side is installed with the second top pressure spring being fixedly connected with the third limiting slot left end wall, second top pressure spring
To by second limited block to the right top pressure and offset with the second limiting slot right end wall.
Valuably or illustratively, wherein be symmetrically arranged with third limiting slot in 35 left hand end wall of the 5th sliding groove
37, the third limited block 39 being fixedly connected with the 4th sliding shoe 45 is slidably fitted in the third limiting slot 37, it is described
The third top pressure spring 38 to offset with the third limited block 39, the third top pressure spring 38 are installed in third limiting slot 37
To make the third inclined-plane 40 extend into described towards 42 top pressure of third sliding groove the third limited block 39
It offsets with second inclined-plane 34 in three sliding grooves 42.
Valuably or illustratively, wherein the elastic force of second top pressure spring is much larger than the third top pressure spring 38
Elastic force, to during the second sliding shoe 44 slides to the right, the third sliding shoe 33 can slide institute to the right
The 4th sliding shoe 45 is stated to slide towards the locating slot 12.
A kind of brightness regulating circuit, including the first conducting block 43 be electrically connected with second conducting block 32 circuit one, institute
It states circuit two, the 4th conducting block 11 that third conducting block 31 is electrically connected with the 4th conducting block 11 and is fixedly mounted on the peace
Fill the circuit three of the controller connection in block 10.
Apparatus of the present invention in the initial state, under the action of the elastic component 18,28 right side of the first sliding shoe
Concordant with 10 right side of the mounting plate, first top pressure spring 25 is pressurized and two expansion plates 22 is made to extend into the through-hole
26 and the through-hole 26 is separated, and first idler wheel 21 offsets with first inclined-plane 20, the second sliding shoe 44 with
42 left end wall of the third sliding groove offsets, and second conducting block 32 offsets with the third conducting block 31, described
Under the action of three top pressure springs 38, the third limited block 39 is kept the third oblique towards 42 top pressure of third sliding groove
Face 40 extend into the third sliding groove 42 and offsets with second inclined-plane 34, and second idler wheel 36 is contracted in described
In five sliding grooves 35.
In use, the locating rod 55 is directed at the locating slot 12 and is inserted into the locating slot 12, described fixed
During position bar 55 is moved to the left, the clamping block 51 pushes the first sliding shoe 28 to slide to the left, first sliding shoe 28
The process slided to the left, under the action of the first top pressure spring 25, thus the expansion plate 22 may be used far from the through-hole 26
Allow first threaded rod 15 to extend into the through-hole 26, when second internal thread groove, 52 and first threaded rod 15 just
When cooperation, 55 left side of the locating rod is located at 35 left side of the 5th sliding groove, starts the driving motor 14 at this time, described
Driving motor 14 drives first threaded rod 15 to rotate, and first threaded rod 15 drives the clamping block 51 to slide to the left,
The driving pulley 17 can drive the driven pulley 29 to rotate by the transmission belt 16, so as to drive second screw thread
Bar 30 rotates, and second threaded rod 30 can drive the second sliding shoe 44 to slide to the right when rotating, due to second rolling
Wheel 36 can not be extend into the locating slot 12, and thus 33 position of third sliding shoe remains stationary as, to which described second leads
Electric block 32 offsets with the third conducting block 31 holding, when the fixed plate 50 offsets with the mounting plate 10, described first
Conducting block 43 offsets with the power supply piece 41, and the 4th conducting block 11 coordinates with the slot 56, as a result, the circuit
One, circuit two is connected with the light intensity sensor 54 and the advertisement screen 53, to the light intensity sensor 54 and institute
Stating advertisement screen 53 can work.
The beneficial effects of the invention are as follows：In the initial state due to apparatus of the present invention, under the action of the elastic component, institute
It is concordant with the mounting plate right side to state the first sliding shoe right side, first top pressure spring is pressurized and two expansion plates is made to stretch
Enter to the through-hole and separate the through-hole, to which first threaded rod is isolated from the outside, thus can prevent described first
Threaded rod corrosion；
The locating rod when in use, is directed at the locating slot and is inserted into the locating slot, described by apparatus of the present invention
During locating rod is moved to the left, the clamping block pushes the first sliding shoe to slide to the left, and first sliding shoe is slided to the left
Dynamic process, under the action of first top pressure spring, thus the expansion plate allows described first far from the through-hole
Threaded rod is extend into the through-hole, and when second internal thread groove just coordinates with the first threaded rod, the locating rod is left
End face is located on the left of the 5th sliding groove, starts the driving motor at this time, and the driving motor drives first screw thread
Bar rotates, and first threaded rod drives the clamping block to slide to the left, and the driving pulley can be driven by the transmission belt
The driven pulley rotation, so as to drive second threaded rod to rotate, second threaded rod can drive described when rotating
The second sliding shoe slides to the right, since second idler wheel can not be extend into the locating slot, the thus third sliding shoe
Position remains stationary as, to which second conducting block and third conducting block holding offset, when the fixed plate and the peace
When loading board offsets, first conducting block offsets with the power supply piece, and the 4th conducting block coordinates with the slot, by
This, the circuit one, circuit two are connected with the light intensity sensor and the advertisement screen, to the light intensity sensor
It can work with the advertisement screen, and since first threaded rod and second internal thread groove coordinate, to which described first slides
Motion block is locked in first sliding groove, under the action of the elastic component, so as to make first threaded rod and institute
It states the second internal thread groove and stablizes cooperation；
Apparatus of the present invention can drive the second sliding shoe and third sliding shoe when original state starts the driving motor
It slides to the right, second idler wheel can be driven to extend into the locating slot during third sliding shoe slides to the right
In, thus second conducting block can be disengaged with the third conducting block, the circuit one and two open circuit of circuit, therefore,
Even if first conducting block offsets with the power supply piece, the 4th conducting block will not be powered, and thus substantially increase use
Electric safety；
And apparatus of the present invention can perceive the intensity of ambient light by light intensity sensor, therefore, in light intensity compared with Gao Shike
The brightness of the advertisement screen is turned up by the controller, and when light is weaker, advertisement screen can be turned down by the controller
Brightness, be all readily seen that the advertisement of advertisement screen is launched when thus can be stronger or weaker in light；
Apparatus of the present invention are simple in structure, and installation and removal are convenient.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of display equipment, including the mounting plate and advertisement screen assembly that are fixedly mounted in wall, it is characterised in that：It is described
Advertisement screen assembly includes fixed plate and advertisement screen, and fixing groove is provided in the fixed plate right side, and the advertisement screen is fixed
In the fixing groove, opening is provided in the mounting plate towards the first right sliding groove and positioning symmetrical above and below
Slot, first sliding groove are provided with the second sliding groove in end wall up and down, and the second sliding groove right end is provided with the first inclined-plane,
The first sliding shoe to horizontally slip is installed in first sliding groove, the through-hole that left and right communicates is provided in the sliding shoe,
It is symmetrical above and below in the through-hole wall to be provided with telescopic chute, the expansion plate extended up and down, institute are slidably fitted in the telescopic chute
It states expansion plate one end and extend into second sliding groove and be rotatably mounted with the first idler wheel, the other end extend into described logical
Kong Zhong is provided with third sliding groove, is provided on the left of first sliding groove between first sliding groove and the locating slot
The drive cavity extended up and down is equipped with the first screw thread that left and right extends in which can turn between the drive cavity and first sliding groove
Bar, the first threaded rod right end are extend into first sliding groove, left end and are fixedly mounted on the drive cavity left end wall
In driving motor be connected by power, be slidably fitted with the second sliding shoe in the third sliding groove, set in the second sliding shoe
Opening is equipped with towards the first left internal thread groove, left and right is rotatably mounted between the third sliding groove and the drive cavity and is prolonged
The second threaded rod stretched, the second threaded rod left end are installed in rotation in the drive cavity left end wall, right end with it is described
First internal thread groove screw-thread fit, be provided in the drive cavity driving pulley being fixedly connected with first threaded rod and
The driven pulley being fixedly connected with second threaded rod, the driving pulley are connected with the driven pulley by being driven drive
It connects, is additionally provided with left and right the 4th sliding groove that communicates and be open towards the locating slot in the second sliding shoe, the described 4th
The third sliding shoe that left and right extends is slidably fitted in sliding groove, third sliding shoe right side is provided with the second inclined-plane, institute
It states and is provided with the 5th interconnected sliding groove between third sliding groove and the locating slot, peace is slided in the 5th sliding groove
Equipped with the 4th sliding shoe, the end face of the 4th sliding shoe towards the locating slot is rotatably mounted with the second idler wheel, described
The end face of 4th sliding shoe towards the third sliding groove is provided with the third inclined-plane coordinated with second inclined-plane, the third
Sliding groove right side is installed with the power supply piece being electrically connected with city, and the second sliding shoe right side is installed with first and leads
Electric block, third sliding shoe left side are installed with the second conducting block, and the third sliding groove left end wall is installed with
With the third conducting block of second conducting block in the same horizontal line, the locating slot left side is installed with the 4th conduction
Block, the fixed plate left side are installed with the clamping block coordinated with first sliding groove and coordinate with the locating slot
Locating rod, opening is provided in the clamping block towards a left side and with the second internal thread groove of first shaft, it is described
Fixed plate is installed with light intensity sensor in right side.
2. a kind of display equipment according to claim 1, it is characterised in that：Opening is provided in the locating rod towards left and
With the slot of the 4th conducting block cooperation, it is installed with and the light intensity sensor and advertisement screen in the slot inner wall
The conductive sheet of electrical connection.
3. a kind of display equipment according to claim 1, it is characterised in that：First sliding shoe left side is fixedly mounted
There is the elastic component being fixedly connected with the first sliding groove left end wall, the first limit is symmetrically arranged in the telescopic chute left hand end wall
Position slot is slidably fitted with the first limited block being fixedly connected with the expansion plate, first limit in first limiting slot
The first top pressure spring to offset with the first limited block is installed, first top pressure spring is to by first limited block in slot
Towards the second sliding groove top pressure, and the elastic force of the elastic component is much larger than the elastic force of first top pressure spring, so as to
Keep first sliding shoe right side concordant with the mounting plate right side.
4. a kind of display equipment according to claim 1, it is characterised in that：It is symmetrical in end wall before and after 4th sliding groove
It is provided with the second limiting slot, the second limit being fixedly connected with the third sliding shoe is slidably fitted in second limiting slot
Block, second limited block left side are installed with the second top pressure bullet being fixedly connected with the third limiting slot left end wall
Spring, second top pressure spring to by second limited block to the right top pressure and offset with the second limiting slot right end wall.
5. a kind of display equipment according to claim 4, it is characterised in that：It is symmetrical in the 5th sliding groove left hand end wall
It is provided with third limiting slot, the third limit being fixedly connected with the 4th sliding shoe is slidably fitted in the third limiting slot
Block is equipped with the third top pressure spring to offset with the third limited block, the third top pressure spring in the third limiting slot
To make the third inclined-plane extend into the third and slide the third limited block towards the third sliding groove top pressure
It offsets with second inclined-plane in slot.
6. a kind of display equipment according to claim 5, it is characterised in that：The elastic force of second top pressure spring is much larger than
The elastic force of the third top pressure spring, to which during the second sliding shoe slides to the right, the third sliding shoe can
Sliding slides the 4th sliding shoe towards the locating slot to the right.
7. a kind of brightness regulating circuit is used for a kind of display equipment described in claim 1, it is characterised in that：It is led including first
The circuit that circuit one that electric block is electrically connected with second conducting block, the third conducting block are electrically connected with the 4th conducting block
Two, the 4th conducting block and the circuit three for being fixedly mounted on installation controller in the block and connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537596.7A CN108679408A (en) | 2018-05-30 | 2018-05-30 | A kind of brightness regulating circuit and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537596.7A CN108679408A (en) | 2018-05-30 | 2018-05-30 | A kind of brightness regulating circuit and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679408A true CN108679408A (en) | 2018-10-19 |
Family
ID=63809010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810537596.7A Withdrawn CN108679408A (en) | 2018-05-30 | 2018-05-30 | A kind of brightness regulating circuit and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879780A (en) * | 2021-01-08 | 2021-06-01 | 南昌旋龟科技有限公司 | Self-generating wireless alarm device |
-
2018
- 2018-05-30 CN CN201810537596.7A patent/CN108679408A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879780A (en) * | 2021-01-08 | 2021-06-01 | 南昌旋龟科技有限公司 | Self-generating wireless alarm device |
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Application publication date: 20181019 |
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