CN216013882U - Liquid crystal display backlight module with adjustable brightness - Google Patents
Liquid crystal display backlight module with adjustable brightness Download PDFInfo
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- CN216013882U CN216013882U CN202121656675.3U CN202121656675U CN216013882U CN 216013882 U CN216013882 U CN 216013882U CN 202121656675 U CN202121656675 U CN 202121656675U CN 216013882 U CN216013882 U CN 216013882U
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Abstract
The utility model discloses a liquid crystal display screen backlight module with adjustable brightness, which comprises a main body, wherein a control chip is arranged in the main body, a clamping groove is formed in the outer side of the control chip, a positioning plate is arranged on the outer side of the clamping groove, a signal follower is arranged on one side of the positioning plate, a backlight module is arranged on one side of the signal follower, an LED group is arranged on the backlight module, a conversion circuit is arranged on one side of the backlight module, and a signal receiver is arranged on one side of the conversion circuit; according to the liquid crystal display screen backlight module with adjustable brightness, the brightness sensor, the signal receiver, the conversion circuit, the control chip and the signal output device are arranged in the main body, so that the trouble of manual regulation is avoided while eyes are protected; through setting up fixed block, draw-in groove, fixed slot, connecting block, the installation, separation and the maintenance of luminance sensor and main part, locating plate and control chip, heat pipe and absorber plate, absorber plate and radiator of being convenient for.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display screens, in particular to a liquid crystal display screen backlight module with adjustable brightness.
Background
With the development of society and the continuous progress of science and technology, the electronic display industry is also continuously entering a rapid development stage, the technology of the liquid crystal display screen is higher and higher, the display screen is gradually changed from a traditional CRT display screen to the liquid crystal display screen, because the liquid crystal display screen does not emit light, but passively emits light, a backlight source is needed to provide a light source for the display, the backlight source is a light source positioned at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of a liquid crystal display module (LCM).
The prior art has the following defects or problems:
1. the brightness adjusting mode of the existing liquid crystal display screen is mostly manual adjustment, which consumes manpower and has poor brightness parameter adjustment;
2. after the device goes wrong, the device can not be used, the light-emitting part needs to be disassembled and replaced, and the device can be continuously used, so that the existing liquid crystal display screen backlight module is inconvenient to replace.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid crystal display screen backlight module with adjustable brightness aiming at the defects in the prior art so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a liquid crystal display backlight module with adjustable brightness comprises a main body, a control chip arranged in the main body, a clamping groove arranged on the outer side of the control chip, a positioning plate arranged on the outer side of the clamping groove, a signal output device arranged on one side of the positioning plate, a backlight module block arranged on one side of the signal output device, an LED group arranged on the backlight module block, a conversion circuit arranged on one side of the backlight module block, a signal receiver arranged on one side of the conversion circuit, a brightness sensor arranged on one side of the signal receiver, a lead arranged on the control chip, a heat conduction pipe arranged in the main body, a heat absorption plate arranged on one side of the heat conduction pipe, a radiator arranged on the heat absorption plate, a heat dissipation layer arranged on the heat dissipation plate, a fixed groove arranged in the heat dissipation layer, and a connecting block arranged on one side of the radiator, and a fixed block is arranged on one side of the brightness sensor.
As a preferred technical scheme of the utility model, the diameter of the control chip is matched with the clamping groove, and the control chip is movably connected with the positioning plate through the clamping groove.
As a preferred technical scheme of the utility model, the control chip, the conversion circuit and the signal output device are in point connection, and the LED groups are provided with a plurality of groups.
As a preferred technical scheme of the utility model, the brightness sensor is embedded in the main body in a clamping way, and the brightness sensor is movably connected with the main body through a fixing block.
As a preferable technical scheme of the utility model, four groups of heat conduction pipes are arranged and are symmetrical about the center of the radiator, and the diameter of the positioning plate is larger than that of the radiator.
As a preferable technical scheme of the utility model, the diameter of the heat conduction pipe is matched with the fixed groove, and the heat conduction pipe is movably connected with the heat absorption plate through the fixed groove.
As a preferred technical scheme of the utility model, four connecting blocks are arranged and are respectively arranged at four ends of the radiator, and the radiator is movably connected with the heat absorption plate through the connecting blocks.
Compared with the prior art, the utility model provides the liquid crystal display screen backlight module with adjustable brightness, which has the following beneficial effects:
1. the liquid crystal display screen backlight module with adjustable brightness is characterized in that a brightness sensor, a signal receiver, a conversion circuit, a control chip and a signal output device are arranged in a main body, the brightness outside the main body can be detected and sensed through the brightness sensor, and the signal is transmitted to the conversion circuit through the signal receiver, an optical signal is converted into an electric signal which can be received by the control chip, when the electric signal received by the control chip exceeds or is lower than a specified value, the control chip controls a backlight module block through the signal output device, so that the brightness of an LED group is adjusted to be better, and the trouble of manual adjustment is avoided while eyes are protected; the heat absorption plate and the heat dissipation layer are arranged, so that the heat absorption plate can absorb heat generated in the main body, and the heat absorbed by the heat absorption plate is dissipated through the heat dissipation layer, so that the function of primary heat dissipation can be achieved; by arranging the heat conduction pipe and the radiator, the heat conduction pipe can comprehensively absorb heat generated in the main body, and the heat is transferred to the center through the heat absorption plate, namely the radiator is used for effectively radiating, so that the function of secondary radiating can be achieved, the radiating performance of the device is improved, and the service life of the device is prolonged;
2. according to the liquid crystal display screen backlight module with adjustable brightness, the brightness sensor can be separated from the main body by arranging the fixing block, so that the installation, separation and maintenance of the brightness sensor and the main body are facilitated; the positioning plate and the control chip can be separated by arranging the clamping groove, so that the positioning plate and the control chip can be conveniently mounted, dismounted and maintained; the heat conduction pipe and the heat absorption plate can be separated by arranging the fixing grooves, so that the heat conduction pipe and the heat absorption plate can be conveniently installed, detached, cleaned and replaced; through setting up the connecting block, can separate absorber plate and radiator, be convenient for the installation, dismantle and the maintenance of absorber plate and radiator.
Drawings
FIG. 1 is a schematic diagram of a front structure of a backlight module according to the present invention;
FIG. 2 is a schematic view of a back structure of a backlight module according to the present invention;
FIG. 3 is a schematic view of a heat absorbing plate of the backlight module according to the present invention;
FIG. 4 is a flow chart of adjusting the brightness of the backlight module according to the present invention.
In the figure: 1. a main body; 2. a control chip; 3. a card slot; 4. positioning a plate; 5. a signal output device; 6. a backlight module block; 7. an LED group; 8. a conversion circuit; 9. a signal receiver; 10. a brightness sensor; 11. a wire; 12. a heat conducting pipe; 13. a heat absorbing plate; 14. a heat sink; 15. a heat dissipation layer; 16. fixing grooves; 17. connecting blocks; 18. and (5) fixing blocks.
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. 1-4, in this embodiment: a liquid crystal display backlight module with adjustable brightness comprises a main body 1, a control chip 2 is arranged in the main body 1, a clamping groove 3 is arranged at the outer side of the control chip 2, a positioning plate 4 is arranged at the outer side of the clamping groove 3, a signal output device 5 is arranged at one side of the positioning plate 4, a backlight module block 6 is arranged at one side of the signal output device 5, an LED group 7 is arranged on the backlight module block 6, a plurality of groups of LED groups 7 are arranged on the LED group 7, so that the brightness of the liquid crystal display screen can be adjusted relatively completely, a conversion circuit 8 is arranged at one side of the backlight module block 6, the control chip 2 is made of a single chip microcomputer, can not receive optical signals, the conversion circuit 8 is used for converting optical signals into electric signals, so that the control chip 2 can receive the signals conveniently, a signal receiver 9 is arranged at one side of the conversion circuit 8, a brightness sensor 10 is arranged at one side of the signal receiver 9, and a lead 11 is arranged on the control chip 2, the main body 1 is internally provided with a heat conduction pipe 12, one side of the heat conduction pipe 12 is provided with a heat absorption plate 13, the heat absorption plate 13 is provided with a radiator 14, the heat absorption plate 13 is provided with a heat dissipation layer 15, the heat dissipation layer 15 is internally provided with a fixing groove 16, one side of the radiator 14 is provided with a connecting block 17, and one side of the brightness sensor 10 is provided with a fixing block 18.
In the embodiment, the diameter of the control chip 2 is matched with the clamping groove 3, the control chip 2 is movably connected with the positioning plate 4 through the clamping groove 3, so that the positioning plate 4 and the control chip 2 are convenient to mount, dismount and maintain, the control chip 2 is in point connection with the conversion circuit 8 and the signal output device 5, and the LED groups 7 are provided with a plurality of groups, so that converted electric signals can be conveniently transmitted in the circuit; the brightness sensor 10 is embedded in the main body 1 in a clamping way, and the brightness sensor 10 is movably connected with the main body 1 through a fixing block 18, so that the installation, separation and maintenance of the brightness sensor 10 and the main body 1 are facilitated; the heat conduction pipes 12 are provided with four groups, the four groups are centrosymmetric about the radiator 14, and the diameter of the heat absorption plate 13 is larger than that of the radiator 14, so that the heat generated in the main body 1 can be absorbed more comprehensively; the diameter of the heat conduction pipe 12 is matched with the fixed groove 16, and the heat conduction pipe 12 is movably connected with the heat absorption plate 13 through the fixed groove 16, so that the heat conduction pipe 12 and the heat absorption plate 13 can be conveniently installed, detached, cleaned and replaced; the four connecting blocks 17 are respectively arranged at four ends of the radiator 14, and the radiator 14 is movably connected with the heat absorbing plate 13 through the connecting blocks 17, so that the heat absorbing plate 13 and the radiator 14 can be conveniently mounted, dismounted and overhauled.
The working principle and the using process of the utility model are as follows: the brightness sensor 10 firstly detects and senses the brightness outside the main body 1, transmits a signal to the conversion circuit 8 through the signal receiver 9, converts an optical signal into an electric signal which can be received by the control chip 2, and when the electric signal received by the control chip 2 exceeds or is lower than a specified value, the control chip 2 controls the backlight module block 6 through the signal output device 5, so that the brightness of the LED group 7 is adjusted to be better brightness, and the trouble of manual adjustment is avoided; the fixing block 18 is arranged, so that the installation, separation and maintenance of the brightness sensor 10 and the main body 1 are facilitated; the clamping groove 3 is arranged, so that the positioning plate 4 and the control chip 2 can be conveniently mounted, dismounted and maintained; the fixing grooves 16 are arranged, so that the heat conduction pipe 12 and the heat absorption plate 13 can be conveniently installed, detached, cleaned and replaced; through setting up connecting block 17, be convenient for absorber plate 13 and radiator 14's installation, dismantlement and maintenance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a luminance adjustable liquid crystal display backlight unit which characterized in that: comprises a main body (1), a control chip (2) is arranged in the main body (1), a clamping groove (3) is arranged on the outer side of the control chip (2), a positioning plate (4) is arranged on the outer side of the clamping groove (3), a signal output device (5) is arranged on one side of the positioning plate (4), a backlight module block (6) is arranged on one side of the signal output device (5), an LED group (7) is arranged on the backlight module block (6), a conversion circuit (8) is arranged on one side of the backlight module block (6), a signal receiver (9) is arranged on one side of the conversion circuit (8), a brightness sensor (10) is arranged on one side of the signal receiver (9), a lead (11) is arranged on the control chip (2), a heat conducting pipe (12) is arranged in the main body (1), and a heat absorbing plate (13) is arranged on one side of the heat conducting pipe (12), the LED lamp is characterized in that a heat radiator (14) is arranged on the heat absorption plate (13), a heat dissipation layer (15) is arranged on the heat absorption plate (13), a fixing groove (16) is arranged in the heat dissipation layer (15), a connecting block (17) is arranged on one side of the heat radiator (14), and a fixing block (18) is arranged on one side of the brightness sensor (10).
2. The backlight module of claim 1, wherein: the diameter of the control chip (2) is matched with the clamping groove (3), and the control chip (2) is movably connected with the positioning plate (4) through the clamping groove (3).
3. The backlight module of claim 1, wherein: the control chip (2) is in point connection with the conversion circuit (8) and the signal output device (5), and the LED group (7) is provided with multiple groups.
4. The backlight module of claim 1, wherein: the brightness sensor (10) is embedded in the main body (1) in a clamping mode, and the brightness sensor (10) is movably connected with the main body (1) through a fixing block (18).
5. The backlight module of claim 1, wherein: the heat conducting pipes (12) are provided with four groups and are centrosymmetric about the radiator (14), and the diameter of the heat absorbing plate (13) is larger than that of the radiator (14).
6. The backlight module of claim 1, wherein: the diameter of the heat conducting pipe (12) is matched with the fixed groove (16), and the heat conducting pipe (12) is movably connected with the heat absorbing plate (13) through the fixed groove (16).
7. The backlight module of claim 1, wherein: the four connecting blocks (17) are respectively arranged at four ends of the radiator (14), and the radiator (14) is movably connected with the heat absorbing plate (13) through the connecting blocks (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121656675.3U CN216013882U (en) | 2021-07-20 | 2021-07-20 | Liquid crystal display backlight module with adjustable brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121656675.3U CN216013882U (en) | 2021-07-20 | 2021-07-20 | Liquid crystal display backlight module with adjustable brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216013882U true CN216013882U (en) | 2022-03-11 |
Family
ID=80590397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121656675.3U Active CN216013882U (en) | 2021-07-20 | 2021-07-20 | Liquid crystal display backlight module with adjustable brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216013882U (en) |
-
2021
- 2021-07-20 CN CN202121656675.3U patent/CN216013882U/en active Active
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