CN110673397A - Backlight module convenient for heat dissipation and liquid crystal display - Google Patents

Backlight module convenient for heat dissipation and liquid crystal display Download PDF

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Publication number
CN110673397A
CN110673397A CN201910968786.9A CN201910968786A CN110673397A CN 110673397 A CN110673397 A CN 110673397A CN 201910968786 A CN201910968786 A CN 201910968786A CN 110673397 A CN110673397 A CN 110673397A
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CN
China
Prior art keywords
fixedly connected
chute
liquid crystal
crystal display
heat dissipation
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.)
Pending
Application number
CN201910968786.9A
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Chinese (zh)
Inventor
蒋婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jingmen Siwu Electromechanical Technology Co Ltd
Original Assignee
Jingmen Siwu Electromechanical Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jingmen Siwu Electromechanical Technology Co Ltd filed Critical Jingmen Siwu Electromechanical Technology Co Ltd
Priority to CN201910968786.9A priority Critical patent/CN110673397A/en
Publication of CN110673397A publication Critical patent/CN110673397A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133628—Illuminating devices with cooling means

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

The invention relates to the technical field of liquid crystal displays, in particular to a backlight module convenient for heat dissipation and a liquid crystal display, which comprise a shell, wherein the inner side of the shell is fixedly connected with a liquid crystal display and a backlight plate which are arranged in the front and back, the front ends of the inner sides of the left and right end surfaces of the shell are respectively provided with a first chute, the inner side wall of the first chute on the left side is connected with a sliding block in a sliding way, the right end surface of the sliding block is connected with a hairbrush in a rotating way, the front end of the inner side of the bottom end surface of the shell is provided with a groove, the hairbrush is arranged in the groove, the inner side wall of the first chute on the right side is provided with a first rack and a fixed box which are arranged in the left and right way, and the first rack is fixedly connected with the shell, the influence of the dust on the heating of the liquid crystal display screen is avoided.

Description

Backlight module convenient for heat dissipation and liquid crystal display
Technical Field
The invention relates to the technical field of liquid crystal displays, in particular to a backlight module convenient for heat dissipation and a liquid crystal display.
Background
The liquid crystal display is a passive light-emitting element, the display screen does not emit light, but is illuminated by a backlight system below the display screen, the backlight source and the liquid crystal display screen are combined together to form a liquid crystal display module, the liquid crystal backlight is a planar uniform illumination device, at present, three types of backlight sources, namely EL, CCFL and LED, are mainly adopted, the backlight sources are divided into an edge type and a direct type according to different light source distribution positions, and certain defects exist in the backlight process of the CCFL in the using process, so that the demand for the backlight module and the liquid crystal display which are convenient to dissipate heat is increased day by day.
Some liquid crystal display that exist in the existing market are in the in-process of using, the surface is stained with the dust very easily, can influence liquid crystal display's normal heat dissipation along with the continuous increase of dust, the dust on liquid crystal display surface is more influencing holistic pleasing to the eye under the closed condition, also artificial periodic cleaning has increased the fatigue degree of clearance to a certain extent, some CCFL backlight unit that exist at present have an obvious shortcoming and generate heat easily, can influence the effect of being shaded along with the increase of the time that generates heat, the life of device has more shortened, consequently, provide a backlight module and liquid crystal display convenient to heat dissipation to above-mentioned problem.
Disclosure of Invention
The present invention is directed to a backlight module and a liquid crystal display with easy heat dissipation, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a backlight module and a liquid crystal display convenient for heat dissipation comprise a casing, wherein the inner side of the casing is fixedly connected with a liquid crystal display screen and a backlight plate which are arranged in the front and back, the front ends of the inner sides of the left and right end surfaces of the casing are respectively provided with a first chute, the inner side wall of the first chute on the left side is connected with a slide block in a sliding manner, the right end surface of the slide block is connected with a brush in a rotating manner, the front end of the inner side of the bottom end surface of the casing is provided with a groove, the brush is arranged in the groove, the inner side wall of the first chute on the right side is provided with a first rack and a fixed box which are arranged in the left and right manner, the first rack is fixedly connected with the casing, the fixed box is connected with the casing in a sliding manner, the inner side of the fixed box is sleeved with a 280 motor, the tail end of a main shaft of the, the inner side wall of the second chute is connected with an air box in a sliding manner, the front end face and the rear end face of the air box are fixedly connected with a first fixed block and a second fixed block which are arranged up and down, the first fixed block and the second fixed block are connected with the casing in a sliding manner, the bottom end of the rear side wall of the second chute is fixedly connected with a second rack, the outer side of the air box is fixedly connected with a slide bar, the outer side of the slide bar is sleeved with a loop bar, the top end faces of the slide bar and the loop bar are connected with the casing in a sliding manner, the inner side of the loop bar is provided with a spring, one end of the spring is fixedly connected with the slide bar, the other end of the spring is fixedly connected with the loop bar, the inner side of the air box is fixedly connected with a 775 double-shaft driving fan through a connecting block, the bottom end of a main shaft of the 775 double-, the right end face of the shell is fixedly connected with a first control switch and a second control switch which are arranged up and down.
Preferably, the brush is arranged right in front of the liquid crystal display screen, and the air box is arranged right above the backlight plate.
Preferably, the length of the brush is 5 cm.
Preferably, the first control switch is electrically connected to the 775 dual-axis fan, and the second control switch is electrically connected to the 280 motor.
Preferably, the number of the sliding rod and the loop bar is 2.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arrangement can be matched with the 280 motor, the first gear, the sliding block and the first rack to move up and down while rotating through the arranged hairbrush, so that the liquid crystal display screen is better cleaned, and the influence of dust on the heating of the liquid crystal display screen is avoided;
2. according to the invention, through the arrangement of the second gear and the second rack, the arrangement can be matched with other components to control the 775 double-shaft driven fan to move left and right, so that the heat dissipation effect is better, the phenomenon of uneven heat dissipation is avoided to the greatest extent, the service life of the device is prolonged, the design concept is novel and scientific, and the device has great economic benefits and wide market prospects, and is worthy of popularization and use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an installation structure of a 775 dual-axis blower according to the present invention;
FIG. 3 is a schematic view of a mounting structure of the first fixing block according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at point A in accordance with the present invention;
FIG. 5 is a schematic view of the structure of FIG. 2 at B according to the present invention;
FIG. 6 is a schematic view of the structure of FIG. 2 at point C according to the present invention.
In the figure: the device comprises a machine shell 1, a liquid crystal display 2, a backlight plate 3, a sliding block 4, a brush 5, a first rack 6, a fixed box 7, a motor 8-280, a first gear 9, a bellows 10, a first fixed block 11, a second fixed block 12, a second rack 13, a sliding rod 14, a loop bar 15, a spring 16, a double-shaft driving fan 17-775, a second gear 18, a first control switch 19, a second control switch 20, a through hole a, a groove b, a second chute c and a first chute d.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a backlight module and a liquid crystal display convenient for heat dissipation comprise a casing 1, wherein the inner side of the casing 1 is fixedly connected with a liquid crystal display 2 and a backlight plate 3 which are arranged in the front and back, the front ends of the inner sides of the left and right end surfaces of the casing 1 are respectively provided with a first chute d, the inner side wall of the first chute d at the left side is slidably connected with a slide block 4, the right end surface of the slide block 4 is rotatably connected with a brush 5, the front end of the inner side of the bottom end surface of the casing 1 is provided with a groove b, the brush 5 is arranged at the inner side of the groove b, the inner side wall of the first chute d at the right side is provided with a first rack 6 and a fixed box 7 which are arranged in the left and right directions, the first rack 6 is fixedly connected with the casing 1, the fixed box 7 is slidably connected with the casing 1, the inner side of the fixed box 7 is sleeved with a 280 motor, the first gear 9 is fixedly connected with the brush 5, a second chute c is arranged on the rear side of the top end face of the casing 1, the inner side wall of the second chute c is connected with an air box 10 in a sliding manner, the front end face and the rear end face of the air box 10 are fixedly connected with a first fixed block 11 and a second fixed block 12 which are arranged up and down, the first fixed block 11 and the second fixed block 12 are both connected with the casing 1 in a sliding manner, the bottom end of the rear side wall of the second chute c is fixedly connected with a second rack 13, the outer side of the air box 10 is fixedly connected with a slide bar 14, the outer side of the slide bar 14 is sleeved with a loop bar 15, the top end faces of the slide bar 14 and the loop bar 15 are both connected with the casing 1 in a sliding manner, the inner side of the loop bar 15 is provided with a spring 16, one end of the spring 16 is fixedly connected with the slide bar 14, the other end of the, 775 biax drive formula fan 17's main shaft bottom fixedly connected with second gear 18, through-hole a has been seted up to bellows 10 rear end face, second gear 18 runs through-hole a, and second gear 18 is connected with the meshing of second rack 13, casing 1 right-hand member face fixedly connected with is first control switch 19 and the second control switch 20 that sets up from top to bottom.
The brush 5 is in the dead ahead of liquid crystal display 2, and bellows 10 is directly over the board 3 that is shaded, and this kind of setting is convenient for carry out the dust clearance to liquid crystal display 2, also is convenient for better cooling to the board 3 that is shaded, the length of brush 5 is 5cm, and this kind of setting can be cleaner to the liquid crystal display 2 clearance, first control switch 19 and 775 biax drive formula fan 17 electric connection, and second control switch 20 and 280 motor 8 electric connection, and this kind of setting is convenient for controlling means and is cleared up work and cooling work, and it is more convenient to make the device operation get up, slide bar 14 and loop bar 15 all have 2, this kind of effect of setting up the at utmost assurance cooling has avoided the light leak phenomenon, also makes the board 3 that is shaded can be more even cooled down.
The working process is as follows: the device is an external power supply, when dust falls on the surface of the liquid crystal display screen 2, the second control switch 20 is pressed, the 280 motor 8 rotates and drives the first gear 9 and the brush 5 to rotate, because the first gear 9 is meshed with the first rack 6, and the brush 5 is rotationally connected with the sliding block 4, the 280 motor 8 rotates and moves up and down through the meshing of the first gear 9 and the first rack 6, the rotating brush 5 realizes the cleaning effect on the liquid crystal display screen 2, because the brush 5 is arranged in the groove b, the integral attractiveness is not influenced, because the CCFL backlight device is easy to heat, the 775 biaxial drive type fan 17 in the bellows 10 is started through pressing the first control switch 19 when the CCFL backlight device is used each time, the 775 biaxial drive type fan 17 is meshed with the second rack 13 through the second gear 18 fixedly connected with the bottom end to realize the left and right movement, thereby the even of at utmost guarantee cooling, because first fixed block 11 of fixedly connected with and second fixed block 12 on bellows 10, so bellows 10 can guarantee the level and remove about, because bellows 10 outside fixedly connected with slide bar 14 and loop bar 15 again, and slide bar 14 and loop bar 15 all with casing 1 sliding connection, so the phenomenon of light leak can not appear when removing about bellows 10, so 775 biax drives formula fan 17 can be fine take into the device and cool down backlight plate 3 in the air intake of casing 1 bottom through the wind, the at utmost has prolonged the life of device, this kind of design concept is novel scientific, huge economic benefits and extensive market prospect have, be worth using widely.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a backlight module and LCD convenient to heat dissipation, includes casing (1), its characterized in that: the inner side of the shell (1) is fixedly connected with a liquid crystal display (2) and a backlight plate (3) which are arranged front and back, the front ends of the inner sides of the left and right end faces of the shell (1) are respectively provided with a first chute (d), the inner side wall of the first chute (d) at the left side is connected with a sliding block (4) in a sliding manner, the right end face of the sliding block (4) is connected with a brush (5) in a rotating manner, the front end of the inner side of the bottom end face of the shell (1) is provided with a groove (b), the brush (5) is arranged at the inner side of the groove (b), the inner side wall of the first chute (d) at the right side is provided with a first rack (6) and a fixed box (7) which are arranged left and right, the first rack (6) is fixedly connected with the shell (1), the fixed box (7) is connected with the shell (1) in a sliding manner, the inner side of, and the first gear (9) is meshed with the first rack (6) and connected, the first gear (9) is fixedly connected with the brush (5), the rear side of the top end face of the casing (1) is provided with a second chute (c), the inner side wall of the second chute (c) is connected with an air box (10) in a sliding manner, the front end face and the rear end face of the air box (10) are fixedly connected with a first fixed block (11) and a second fixed block (12) which are arranged up and down, the first fixed block (11) and the second fixed block (12) are both connected with the casing (1) in a sliding manner, the bottom end of the rear side wall of the second chute (c) is fixedly connected with a second rack (13), the outer side of the air box (10) is fixedly connected with a sliding rod (14), the outer side of the sliding rod (14) is sleeved with a loop bar (15), the top end faces of the sliding rod (14) and the loop bar (15) are both connected with the casing (1) in, and the one end and slide bar (14) fixed connection of spring (16), the other end and loop bar (15) fixed connection of spring (16), bellows (10) inboard is through connecting block fixedly connected with 775 biax drive formula fan (17), 775 biax drive formula fan's (17) main shaft bottom fixedly connected with second gear (18), through-hole (a) have been seted up to bellows (10) rear end face, second gear (18) run through-hole (a), and second gear (18) are connected with second rack (13) meshing, casing (1) right-hand member face fixedly connected with is first control switch (19) and second control switch (20) that set up from top to bottom.
2. The backlight module and the LCD convenient for heat dissipation as claimed in claim 1, wherein: the brush (5) is arranged right in front of the liquid crystal display screen (2), and the air box (10) is arranged right above the backlight plate (3).
3. The backlight module and the LCD convenient for heat dissipation as claimed in claim 1, wherein: the length of the hairbrush (5) is 5 cm.
4. The backlight module and the LCD convenient for heat dissipation as claimed in claim 1, wherein: the first control switch (19) is electrically connected with the 775 double-shaft driven fan (17), and the second control switch (20) is electrically connected with the 280 motor (8).
5. The backlight module and the LCD convenient for heat dissipation as claimed in claim 1, wherein: the number of the sliding rods (14) and the loop bars (15) is 2.
CN201910968786.9A 2019-10-12 2019-10-12 Backlight module convenient for heat dissipation and liquid crystal display Pending CN110673397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910968786.9A CN110673397A (en) 2019-10-12 2019-10-12 Backlight module convenient for heat dissipation and liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910968786.9A CN110673397A (en) 2019-10-12 2019-10-12 Backlight module convenient for heat dissipation and liquid crystal display

Publications (1)

Publication Number Publication Date
CN110673397A true CN110673397A (en) 2020-01-10

Family

ID=69081933

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910968786.9A Pending CN110673397A (en) 2019-10-12 2019-10-12 Backlight module convenient for heat dissipation and liquid crystal display

Country Status (1)

Country Link
CN (1) CN110673397A (en)

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