CN108550355B - Novel backlight brightness adjusting device and adjusting method - Google Patents

Abstract

The invention discloses a new backlight brightness adjustment device and an adjustment method, which include a fixed shell and a display screen. A fixed suction cup is provided on the inside of the fixed housing, and a first support rod is installed on the right side of the fixed suction cup. A connecting rod is fixed inside a support rod, and a second support rod is provided on the right side of the connecting rod. Fixed shells are installed on the upper and lower sides of the display screen, and a backlight source body is provided on the right side of the display screen. A connecting wire is installed on the right side of the backlight main body, and an adjusting device housing is fixed on the right side of the connecting wire. The new backlight brightness adjustment device is provided with a first support rod and a second support rod. The interiors of the first support rod and the second support rod are hollow structures. At the same time, the first support rod and the second support rod are connected to the connecting rod. The connection mode is a threaded connection, so by rotating the connecting rod, it is convenient to increase the distance between the first support rod and the second support rod.

Description

A new type of backlight brightness adjustment device and adjustment method

Technical field

The present invention relates to the technical field of backlight sources, and specifically relates to a novel backlight brightness adjustment device and an adjustment method.

Background technique

Backlight is a device that uses its own light to drive a non-luminous display screen to emit light. Because it emits light behind the display screen, it is called a backlight source. Since everyone's eyes have different sensitivity to light sources. , so the brightness of the backlight must be adjusted so that the backlight can be used well. Although there are many types of backlight brightness adjustment devices on the market, there are still some shortcomings. For example, the traditional backlight The source brightness adjustment device cannot control the distance between the display screen and the display screen very well according to the thickness of the display screen, causing the distance between the backlight source and the display screen to be farther or closer, making the backlight source unable to work well. You need to find the control panel and brightness adjustment in the computer display to adjust the brightness. Computer beginners cannot find the brightness adjustment well, so we have proposed a new backlight brightness adjustment device that can solve the above problems well.

Contents of the invention

The purpose of the present invention is to provide a new type of backlight brightness adjustment device and adjustment method to solve the problem of the above background technology that the traditional backlight brightness adjustment device currently on the market cannot well control the relationship between the display screen and the display screen according to the thickness of the display screen. The distance between the backlight and the display screen is farther or closer, so that the backlight source cannot work well. In the computer display screen, you need to find the control panel and brightness adjustment to adjust the brightness. For computers Beginners cannot find the problem of brightness adjustment very well.

In order to achieve the above object, the present invention provides the following technical solution: a new type of backlight brightness adjustment device, which includes a fixed housing and a display screen. A fixed suction cup is provided on the inside of the fixed housing, and a first support is installed on the right side of the fixed suction cup. Rod, a connecting rod is fixed inside the first supporting rod, and a second supporting rod is provided on the right side of the connecting rod, fixed shells are installed on the upper and lower sides of the display screen, and a backlight is provided on the right side of the display screen Source body, a connecting wire is installed on the right side of the backlight main body, and an adjusting device housing is fixed on the right side of the connecting wire. A single-chip microcomputer is installed inside the adjusting device shell, and a digital-to-analog converter is installed above the single-chip microcomputer. An operational amplifier is installed on the left side of the single chip microcomputer, and a light sensor is fixed on the right side of the single chip microcomputer. A battery is installed below the single chip microcomputer. An input wire is installed on the right side of the light sensor, and a turntable is installed below the input wire. , a rotating block body is provided below the rotating disk.

Preferably, the interiors of the first support rod and the second support rod are hollow structures, and the interiors of the first support rod and the second support rod are both threaded structures, and the first support rod and the second support rod are The internal thread-like structures are oriented in opposite directions.

Preferably, the outer side of the connecting rod has a thread-like structure, and the connecting rod is threadedly connected to the first support rod and the second support rod.

Preferably, the digital-to-analog converter and operational amplifier are electrically output connected to the microcontroller.

Preferably, the rotary block body includes a first rotary block and a second rotary block, and a second rotary block is provided inside the first rotary block, and the inside of the first rotary block is a hollow structure.

Preferably, the second rotating block is in a "T" shape, and the height of the second rotating block is smaller than the height of the first rotating block.

Compared with the existing technology, the beneficial effects of the present invention are: the new backlight brightness adjustment device;

(1) A first support rod and a second support rod are provided. The interiors of the first support rod and the second support rod are hollow structures. At the same time, the connection between the first support rod and the second support rod and the connecting rod is threaded. connection, so by rotating the connecting rod, it is convenient to increase the distance between the first support rod and the second support rod, so as to facilitate the adjustment of the distance between the brightness adjustment device and the display screen according to different thicknesses of the display screen, Easy to use the brightness adjustment device;

(2) A turntable and a turn block body are installed. By installing a turntable and a turn block body on the outer surface of the fixed shell, the user can easily find the brightness adjustment and avoid searching inside the display screen. , thereby making it easier for users to use;

(3) The first rotary block and the second rotary block are fixed. The first rotary block and the second rotary block are connected by snap. By pulling out the second rotary block, the height of the main body of the rotary block is increased, which is convenient for the user. The main body of the rotating block rotates very well, making it convenient for the user to adjust the brightness.

Description of the drawings

Figure 1 is a schematic cross-sectional view of the structure of the present invention;

Figure 2 is a schematic front structural view of the turntable of the present invention;

Figure 3 is a schematic cross-sectional structural diagram of the main body of the rotating block of the present invention;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 1 of the present invention;

Figure 5 is a schematic structural diagram of the workflow of the present invention.

In the picture: 1. Fixed shell; 2. Display screen; 3. Fixed suction cup; 4. First support rod; 5. Connecting rod; 6. Second support rod; 7. Backlight main body; 8. Connecting wires; 9. Adjusting device shell; 10. Single chip microcomputer; 11. Digital-to-analog converter; 12. Light sensor; 13. Operational amplifier; 14. Battery; 15. Input wire; 16. Turntable; 17. Turning block main body; 1701. First turning block ;1702, the second turning block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-5. The present invention provides a technical solution: a new type of backlight brightness adjustment device, including a fixed housing 1, a display screen 2, a fixed suction cup 3, a first support rod 4, a connecting rod 5, a second support Rod 6, backlight main body 7, connecting wire 8, adjustment device housing 9, microcontroller 10, digital-to-analog converter 11, light sensor 12, operational amplifier 13, battery 14, input wire 15, turntable 16 and turn block main body 17, fixed A fixed suction cup 3 is provided inside the housing 1, and a first support rod 4 is installed on the right side of the fixed suction cup 3. Both the first support rod 4 and the second support rod 6 have hollow structures inside, and the first support rod 4 The inner parts of the first support rod 4 and the second support rod 6 are both thread-like structures, and the directions of the thread-like structures inside the first support rod 4 and the second support rod 6 are opposite. The thread-like structure facilitates the rotation of the connecting rod 5. The connecting rod 5 is fixed inside the first support rod 4, and a second support rod 6 is provided on the right side of the connecting rod 5. The outside of the connecting rod 5 has a thread-like structure, and The connecting rod 5 is threadedly connected to the first support rod 4 and the second support rod 6. The threaded connection between the connecting rod 5 and the first support rod 4 and the second support rod 6 facilitates the addition of the first support rod 4 through the connecting rod 5. and the second support rod 6, a fixed housing 1 is installed on the upper and lower sides of the display screen 2, a backlight main body 7 is provided on the right side of the display screen 2, and a connecting wire 8 is installed on the right side of the backlight main body 7 , and an adjusting device shell 9 is fixed on the right side of the connecting wire 8. A single-chip microcomputer 10 is installed inside the adjusting device shell 9, and a digital-to-analog converter 11 is provided above the single-chip microcomputer 10. The digital-to-analog converter 11 and operational amplifier 13 are connected to the single-chip microcomputer. 10 is an electrical output connection. The digital-to-analog converter 11 and the operational amplifier 13 facilitate the control of the voltage, thereby facilitating the adjustment of the brightness. The operational amplifier 13 is installed on the left side of the single-chip microcomputer 10, and the operational amplifier 13 is installed on the right side of the single-chip microcomputer 10. A light sensor 12 is fixed, a battery 14 is installed below the microcontroller 10, an input wire 15 is provided on the right side of the light sensor 12, and a turntable 16 is installed below the input wire 15, and a turntable body 17 is provided below the turntable 16. The block body 17 includes a first rotary block 1701 and a second rotary block 1702, and a second rotary block 1702 is provided inside the first rotary block 1701, and the inside of the first rotary block 1701 is a hollow structure. The rotary block body 17 facilitates The user can easily adjust the brightness to facilitate the user's search. The second rotating block 1702 is in a "T" shape, and the height of the second rotating block 1702 is smaller than the height of the first rotating block 1701. Through the second rotating block 1702, the user can easily adjust the brightness. Pulling 1702 facilitates increasing the height of the rotary block main body 17, thereby facilitating the user to rotate the rotary block main body 17.

An adjustment method for a new type of backlight brightness adjustment device: When using the new backlight brightness adjustment device, first, move the entire device into the work area. After arriving at the work area, the staff will fix the leftmost side of the entire device through the The suction cup 3 is adsorbed and fixed to the inner wall of the fixed shell 1, and then the staff rotates the connecting rod 5 inside the first support rod 4 and the second support rod 6 according to the different thicknesses of the different display screens 2. Through the rotation of the connecting rod 5 , so that the distance between the first support rod 4 and the second support rod 6 is increased, so that the adjustment of the distance between the first support rod 4 and the second support rod 6 facilitates the adjustment of the adjustment device housing 9 and the display screen 2 The distance between them is adjusted, thereby making it easy for the components inside the housing 9 of the adjustment device to work well. After the installation of the entire device is completed, the entire device begins to be used. When the brightness of the display screen 2 needs to be adjusted, this When the user pulls out the second rotary block 1702 inside the rotary block body 17 outside the fixed housing 1 from the inside of the first rotary block 1701, the height of the rotary block body 17 is increased, making it easier for the user to rotate the rotary block body 17. , then, the user picks up the main body 17 of the turntable by hand and rotates the main body 17 inside the turntable 16. At this time, the switch module receives the signal and transmits the signal to the detection module, and then the detection module detects the brightness. and contrast, the obtained brightening or darkening signal is transmitted to the light sensor 12 inside the housing 9 of the adjustment device, digital signal processing is performed through the light sensing module inside the light sensor 12, and then transmitted to the central processing unit through the digital signal processing module The processing module performs processing through the central processing module, and then passes it to the function processing module, and then passes the signal to the digital-to-analog converter 11 and the operational amplifier 13 through the function processing module. The digital-to-analog converter 11 and the operational amplifier 13 work together to process the microcontroller. The signal output by 10 is converted into a voltage suitable for use by the backlight main body 7, and then the signal is transmitted to the voltage control module through the operational amplifier processing module. Therefore, the voltage of the backlight main body 7 is adjusted through the voltage control module, thereby realizing the control of the backlight main body 7. The above is the working process of the entire device to adjust the brightness. The model of the microcontroller 10 is 8051, the model of the light sensor 12 is BH1750, the model of the digital-to-analog converter 11 is DAC7631E, and the model of the operational amplifier 13 is LM358. The model is not mentioned in this manual. The contents of the microcontroller, light sensor, digital-to-analog converter and operational amplifier described in detail belong to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (1)

1. The utility model provides a novel backlight brightness adjustment device, includes fixed shell (1) and display screen (2), its characterized in that: the inner side of the fixed shell (1) is provided with a fixed sucker (3), the right side of the fixed sucker (3) is provided with a first supporting rod (4), the inside of the first supporting rod (4) is fixedly provided with a connecting rod (5), the right side of the connecting rod (5) is provided with a second supporting rod (6), the upper side and the lower side of the display screen (2) are provided with the fixed shell (1), the right side of the display screen (2) is provided with a backlight source main body (7), the right side of the backlight source main body (7) is provided with a connecting wire (8), the right side of the connecting wire (8) is fixedly provided with an adjusting device shell (9), the intelligent control device is characterized in that a singlechip (10) is arranged in the adjusting device shell (9), a digital-to-analog converter (11) is arranged above the singlechip (10), an operational amplifier (13) is arranged on the left side of the singlechip (10), an optical sensor (12) is fixed on the right side of the singlechip (10), a storage battery (14) is arranged below the singlechip (10), an input wire (15) is arranged on the right side of the optical sensor (12), a rotary table (16) is arranged below the input wire (15), and a rotary block main body (17) is arranged below the rotary table (16);

the interiors of the first support rod (4) and the second support rod (6) are hollow structures, the interiors of the first support rod (4) and the second support rod (6) are threaded structures, and the directions of the threaded structures in the interiors of the first support rod (4) and the second support rod (6) are opposite;

the outer side of the connecting rod (5) is of a thread structure, and the connecting rod (5) is in threaded connection with the first supporting rod (4) and the second supporting rod (6);

the digital-to-analog converter (11) and the operational amplifier (13) are electrically connected with the singlechip (10) through output;

the rotary block main body (17) comprises a first rotary block (1701) and a second rotary block (1702), the second rotary block (1702) is arranged in the first rotary block (1701), and the first rotary block (1701) is of a hollow structure;

the second rotating block (1702) is in a T shape, and the height of the second rotating block (1702) is smaller than that of the first rotating block (1701);

the method for adjusting the novel backlight brightness adjusting device comprises the following steps: firstly, the whole device is moved into a working area, after the whole device reaches the working area, a worker adsorbs and fixes the leftmost side of the whole device with the inner wall of a fixed shell (1) through a fixed sucker (3), then the worker rotates a connecting rod (5) in a first supporting rod (4) and a second supporting rod (6) according to different thicknesses of different display screens (2), the distance between the first supporting rod (4) and the second supporting rod (6) is increased through the rotation of the connecting rod (5), the distance between the first supporting rod (4) and the second supporting rod (6) is conveniently adjusted through the adjustment of the distance between the first supporting rod (4) and the second supporting rod (6), the distance between an adjusting device shell (9) and the display screen (2) is conveniently adjusted, the whole device starts to work, when the brightness of the display screen (2) is required to be adjusted, at the moment, a user pulls a second rotating block (1702) in a rotating block main body (17) outside the fixed shell (1) from the first rotating block (1) to the rotating block (17), the rotating block (17) is conveniently pulled out of the rotating main body (17) at the moment, the user rotates the rotating block (17) is convenient to rotate the main body (17) by the user, the user is convenient to rotate the rotating block (17) at the time when the rotating main body (17) is high in the rotating main body (17016), the signal is transmitted to the detection module, then the brightness is detected and compared by the detection module, the obtained brightness-adjusted or darkened signal is transmitted to the optical sensor (12) in the regulating device shell (9), the optical sensor module in the optical sensor (12) is used for carrying out digital signal processing, the digital signal processing module is transmitted to the central processing module, the central processing module is used for processing, the function processing module is transmitted to the digital-analog converter (11) and the operational amplifier (13), the digital-analog converter (11) and the operational amplifier (13) are used for converting the signal output by the singlechip (10) into voltage suitable for the backlight main body (7), the operational amplification processing module is used for transmitting the signal to the voltage control module, and therefore the backlight main body (7) is subjected to voltage regulation by the voltage control module, the brightness is regulated, the above is the working process of the whole device, the model of the singlechip (10) is 8051, the model of the optical sensor (12) is 1750, the model of the digital-analog converter (11) is 7631, and the model of the LM (11) is 7631) is the model of the DAC (358).