CN210488804U - Road condition early warning equipment capable of automatically adjusting brightness of LED display screen - Google Patents
Road condition early warning equipment capable of automatically adjusting brightness of LED display screen Download PDFInfo
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- CN210488804U CN210488804U CN201921260471.0U CN201921260471U CN210488804U CN 210488804 U CN210488804 U CN 210488804U CN 201921260471 U CN201921260471 U CN 201921260471U CN 210488804 U CN210488804 U CN 210488804U
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Abstract
The utility model discloses an automatic road conditions early warning equipment of adjustment LED display screen luminance, include: the system comprises a photosensitive sensor, an analog-to-digital converter, a central control unit and an LED display screen; the photosensitive sensor is connected with the analog-to-digital converter, the analog-to-digital converter is connected with the central control unit, and the central control unit is connected with the LED display screen; the photosensitive sensor collects and quantifies the ambient light brightness and outputs brightness analog data to the analog-to-digital converter; the analog-to-digital converter converts the brightness analog data into brightness digital data and sends the brightness digital data to the central control unit; the central control unit receives and processes the brightness digital data and outputs an LED display brightness value to the LED display screen under a preset condition; and the LED display screen displays the brightness corresponding to the LED display brightness value. Through the technical scheme of the utility model for LED display screen luminance carries out automatically regulated according to site environment luminance, has practiced thrift the electric energy, has guaranteed the display effect.
Description
Technical Field
The utility model relates to a traffic equipment technical field especially relates to an automatic road conditions early warning equipment of adjustment LED display screen luminance.
Background
The brightness of an LED display screen used by the existing road condition early warning equipment cannot be automatically adjusted along with the change of the ambient light brightness, so that energy is wasted, proper brightness cannot be displayed to adapt to human eye observation, and the driving safety of a driver is easily influenced due to the fact that the display effect is poor due to too low display brightness or the brightness is too high.
SUMMERY OF THE UTILITY MODEL
At least one to the above-mentioned problem, the utility model provides an automatic road conditions early warning equipment of adjustment LED display screen luminance, through photosensitive sensor real-time supervision environmental light brightness, and through analog to digital converter input to well accuse unit in, well accuse unit carries out the comparison with prestoring environmental light brightness according to current environmental light brightness, and when the luminance value is not in the same data range to LED display screen output LED display luminance value, thereby with the adjustting of the lighteness of LED display screen to suitable luminance, practice thrift the electric energy, guarantee the display effect.
In order to achieve the above object, the utility model provides an automatic road conditions early warning equipment of adjustment LED display screen luminance, include: the system comprises a photosensitive sensor, an analog-to-digital converter, a central control unit and an LED display screen; the photosensitive sensor is connected with the analog-to-digital converter, the analog-to-digital converter is connected with the central control unit, and the central control unit is connected with the LED display screen; the photosensitive sensor collects and quantifies ambient light brightness and outputs brightness analog data to the analog-to-digital converter; the analog-to-digital converter converts the brightness analog data into brightness digital data and sends the brightness digital data to the central control unit; the central control unit receives and processes the brightness digital data and outputs an LED display brightness value to the LED display screen under a preset condition; and the LED display screen displays according to the brightness corresponding to the LED display brightness value.
In the above technical solution, preferably, the central control unit includes a storage module, a comparison module and an output module, and the storage module is configured to store the received luminance digital data; the comparison module is used for comparing the luminance digital data acquired for the Nth time with the luminance digital data acquired for the (N-1) th time, keeping the luminance of the LED display screen unchanged if the luminance digital data acquired for the Nth time and the luminance digital data acquired for the N-1 st time are in the same data range, outputting an acquisition instruction to the photosensitive sensor through the output module, storing the luminance digital data acquired for the Nth time if the luminance digital data acquired for the Nth time and inquiring the luminance control range of the LED display screen through the luminance digital data acquired for the Nth time to output an LED display luminance value through the output module.
In the above technical solution, preferably, the photosensitive sensor executes the collection and quantification of the ambient light brightness when receiving the collection instruction.
In the above technical solution, preferably, after the output module outputs the LED display brightness value, the collection instruction is output to the photosensor again.
Compared with the prior art, the beneficial effects of the utility model are that: the ambient light brightness is monitored in real time through the photosensitive sensor and is input into the central control unit through the analog-to-digital converter, the central control unit compares the current ambient light brightness with the pre-stored ambient light brightness, and outputs an LED display brightness value to the LED display screen when the brightness value is not in the same data range, so that the brightness of the LED display screen is adjusted to be proper, the electric energy is saved, and the display effect is guaranteed.
Drawings
Fig. 1 is a block diagram illustrating a structure of a road condition early warning device for automatically adjusting the brightness of an LED display screen according to an embodiment of the present invention;
fig. 2 is the utility model relates to an embodiment discloses a road conditions early warning equipment's of automatic adjustment LED display screen luminance control principle schematic diagram.
In the drawings, the correspondence between each component and the reference numeral is:
1. the LED display screen comprises a photosensitive sensor, 2 an analog-to-digital converter, 3 a central control unit and 4 an LED display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, according to the utility model provides a pair of road conditions early warning equipment of automatic adjustment LED display screen luminance, include: the system comprises a photosensitive sensor 1, an analog-to-digital converter 2, a central control unit 3 and an LED display screen 4; the photosensitive sensor 1 is connected with the analog-to-digital converter 2, the analog-to-digital converter 2 is connected with the central control unit 3, and the central control unit 3 is connected with the LED display screen 4; the photosensitive sensor 1 collects and quantifies the ambient light brightness and outputs brightness analog data to the analog-to-digital converter 2; the analog-to-digital converter 2 converts the brightness analog data into brightness digital data and sends the brightness digital data to the central control unit 3; the central control unit 3 receives and processes the brightness digital data and outputs an LED display brightness value to the LED display screen 4 under a preset condition; and the LED display screen 4 displays the brightness corresponding to the LED display brightness value.
In the above embodiment, preferably, the central control unit 3 includes a storage module, a comparison module and an output module, where the storage module is used to store the received luminance digital data; the comparison module is used for comparing the luminance digital data acquired for the Nth time with the luminance digital data acquired for the (N-1) th time, keeping the luminance of the LED display screen 4 unchanged if the luminance digital data acquired for the Nth time and the luminance digital data acquired for the N-1 st time are in the same data range, outputting an acquisition instruction to the photosensitive sensor 1 through the output module, storing the luminance digital data acquired for the Nth time if the luminance digital data acquired for the Nth time and inquiring the luminance control range of the LED display screen through the luminance digital data acquired for the Nth time so as to output an LED display luminance value through the output module.
Specifically, as shown in fig. 2, the photosensitive sensor 1 collects the environmental light brightness analog data for the 1 st time, the analog-to-digital converter 2 converts the environmental light brightness analog data to obtain the 1 st brightness digital data, the central control unit 3 stores the 1 st brightness digital data and compares the 1 st brightness digital data with the prestored initial brightness digital data of the LED display screen, when the two data are in the same data range, the central control unit 3 does not process the brightness value of the LED display screen, the brightness value of the LED display screen 4 is unchanged, and outputs a next collection instruction to the photosensitive sensor 1, when the two data are not in the same data range, the central control unit 3 queries the brightness control range of the LED display screen by using the 1 st brightness digital data, outputs a brightness value of the LED display screen, the LED display screen 4 executes the brightness value, and then outputs a next collection instruction to the photosensitive sensor 1;
the photosensitive sensor 1 collects the environmental light brightness analog data for the 2 nd time, the analog-to-digital converter 2 converts the environmental light brightness analog data to obtain the 2 nd brightness digital data, the central control unit 3 stores the 2 nd brightness digital data and compares the 2 nd brightness digital data with the pre-stored 1 st brightness digital data, when the two data are in the same data range, the central control unit 3 does not process the brightness value of the LED display screen, the brightness value of the LED display screen 4 is unchanged, and outputs a next collection instruction to the photosensitive sensor 1, when the two data are not in the same data range, the central control unit 3 inquires the brightness control range of the LED display screen by using the 2 nd brightness digital data, outputs the brightness value of the LED display screen, and the LED display screen 4 executes the brightness value and outputs a next collection instruction to the photosensitive sensor 1. The data acquisition-conversion-storage-comparison-execution operation is executed circularly according to the method, so that the brightness of the LED display screen 4 is automatically adjusted according to the brightness of the field environment light.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (3)
1. The utility model provides an automatic road conditions early warning equipment of adjustment LED display screen luminance which characterized in that includes: the system comprises a photosensitive sensor, an analog-to-digital converter, a central control unit and an LED display screen;
the photosensitive sensor is connected with the analog-to-digital converter, the analog-to-digital converter is connected with the central control unit, and the central control unit is connected with the LED display screen;
the photosensitive sensor collects and quantifies ambient light brightness and outputs brightness analog data to the analog-to-digital converter;
the analog-to-digital converter converts the brightness analog data into brightness digital data and sends the brightness digital data to the central control unit;
the central control unit receives and processes the brightness digital data and outputs an LED display brightness value to the LED display screen under a preset condition;
the LED display screen displays according to the brightness corresponding to the LED display brightness value;
the central control unit comprises a storage module, a comparison module and an output module,
the storage module is used for storing the received brightness digital data;
the comparison module is used for comparing the luminance digital data acquired for the Nth time with the luminance digital data acquired for the (N-1) th time, keeping the luminance of the LED display screen unchanged if the luminance digital data acquired for the Nth time and the luminance digital data acquired for the N-1 st time are in the same data range, outputting an acquisition instruction to the photosensitive sensor through the output module, storing the luminance digital data acquired for the Nth time if the luminance digital data acquired for the Nth time and inquiring the luminance control range of the LED display screen through the luminance digital data acquired for the Nth time to output an LED display luminance value through the output module.
2. The device of claim 1, wherein the photosensor is configured to collect and quantify ambient light levels when receiving the collection command.
3. The road condition early warning device capable of automatically adjusting the brightness of the LED display screen according to claim 1, wherein the acquisition instruction is output to the photosensitive sensor again after the output module outputs the LED display brightness value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921260471.0U CN210488804U (en) | 2019-08-06 | 2019-08-06 | Road condition early warning equipment capable of automatically adjusting brightness of LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921260471.0U CN210488804U (en) | 2019-08-06 | 2019-08-06 | Road condition early warning equipment capable of automatically adjusting brightness of LED display screen |
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| CN210488804U true CN210488804U (en) | 2020-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735156A (en) * | 2021-01-22 | 2021-04-30 | 杭州龙远路桥养护工程有限公司 | Road surface alarm device based on traffic safety uses |
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2019
- 2019-08-06 CN CN201921260471.0U patent/CN210488804U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735156A (en) * | 2021-01-22 | 2021-04-30 | 杭州龙远路桥养护工程有限公司 | Road surface alarm device based on traffic safety uses |
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