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CN-224217226-U - Liquid crystal display module with environment self-adaptive energy-saving control function

CN224217226UCN 224217226 UCN224217226 UCN 224217226UCN-224217226-U

Abstract

The utility model relates to the technical field of display, in particular to a liquid crystal display module with an environment self-adaptive energy-saving control function, which comprises a liquid crystal display screen, a main control board, an environment sensing unit, an energy-saving control module, a backlight adjusting circuit and a power management unit. The environment sensing unit comprises an illumination sensor and a temperature sensor, wherein the illumination sensor and the temperature sensor are used for acquiring environment parameters, the main control board is connected with the energy-saving control module and is used for dynamically adjusting the brightness and the running state of the display screen according to the environment parameters, the backlight adjusting circuit is used for adjusting the brightness of a backlight source according to an output signal of the energy-saving control module, and the power management unit is used for switching to standby power supply when a main power supply is powered off. Compared with the prior art, the utility model can automatically adjust the running state of the liquid crystal display module according to the change of the external environment, improves the display effect, reduces the power consumption, and has good intelligent energy-saving performance and environmental adaptability.

Inventors

  • LIN JINJI

Assignees

  • 厦门高卓立光电有限公司

Dates

Publication Date
20260508
Application Date
20250429

Claims (10)

  1. 1. The utility model provides a liquid crystal display module with environment self-adaptation energy-saving control function which characterized in that includes: a liquid crystal display; The main control board controls the driving of the liquid crystal display screen; The environment sensing unit comprises an illumination sensor and a temperature sensor and is used for acquiring environment light intensity and temperature data; The energy-saving control module is connected with the main control board and used for adjusting working parameters of the liquid crystal display screen according to the data acquired by the environment sensing unit; The backlight adjusting circuit is connected with the energy-saving control module and used for adjusting the backlight brightness of the liquid crystal display screen; The power management unit is used for supplying power and maintaining the standby operation of the module in a low-power consumption state.
  2. 2. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 1, wherein the environment sensing unit is connected with the main control board through an I2C communication mode.
  3. 3. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 1, wherein the energy-saving control module comprises a PWM dimming chip and a current-driven amplifier for providing a dimming signal to the backlight adjusting circuit.
  4. 4. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 1, wherein a timer module is arranged in the main control board and is used for triggering the power management unit to enter a low-power consumption standby state under the condition that the environment brightness is continuously lower than a set threshold value.
  5. 5. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 1, wherein the main control board is connected with the liquid crystal display screen through an LCD driving chip, and the LCD driving chip is an SPI or RGB interface chip.
  6. 6. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 1, further comprising a wireless communication module connected with the main control board and used for uploading real-time data acquired by the environment sensing unit to a remote server.
  7. 7. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 6, wherein the wireless communication module is a Wi-Fi or LoRa wireless communication module.
  8. 8. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 3, wherein the backlight adjusting circuit comprises an LED backlight source and a constant current driving chip, and the constant current driving chip receives a pulse width signal output by the PWM dimming chip.
  9. 9. The lcd module of claim 1, wherein the power management unit comprises a main power input port and a backup battery, and is automatically switched to backup battery power supply when the main power is disconnected.
  10. 10. The liquid crystal display module with the environment-adaptive energy-saving control function according to claim 1, wherein the main control board is a control chip integrated with an ARM Cortex-M series processor.

Description

Liquid crystal display module with environment self-adaptive energy-saving control function Technical Field The utility model relates to the technical field of liquid crystal display modules, in particular to a liquid crystal display module with an environment self-adaptive energy-saving control function. Background With the development of liquid crystal display technology, a liquid crystal display module (LCM) is widely used in various fields such as public information release, traffic guidance, intelligent terminals, advertisement media, and the like, and particularly in an outdoor or semi-open environment, the liquid crystal module becomes an important carrier for outputting visual information. However, the existing liquid crystal display module generally adopts a fixed brightness backlight control mode, cannot be automatically adjusted according to the change of the environmental light intensity, so that the display is not clear under outdoor strong light, excessive power consumption is caused when the light is darker, and the visual experience and the energy use efficiency are affected. In addition, the traditional liquid crystal module still operates according to default power when the temperature environment is severely changed, and the traditional liquid crystal module does not have an effective thermosensitive regulation mechanism, and cannot sense illumination or temperature state of the current equipment, so that long-term operation can lead to display effect reduction, power supply energy consumption increase and even influence system stability. In order to adapt to the trend of intellectualization and energy conservation, some existing products start to try to introduce optical sensors or timers, but brightness adjustment is mostly realized by a single control logic, and the functions of deep linkage and dynamic power consumption management of a main control unit are lacked, so that the overall control precision and self-adaptation capability are still to be improved. Therefore, it is highly desirable to provide a liquid crystal display module with environmental awareness, dynamic adjustment of operation state according to external conditions, and energy-saving control, so as to improve display performance, prolong service life of equipment, and reduce energy consumption. In view of this, the present inventors have specifically devised a liquid crystal display module with an environmental adaptive energy-saving control function, and the present disclosure is thus generated. Disclosure of utility model (One) solving the technical problems The application aims to provide a liquid crystal display module with an environment self-adaptive energy-saving control function, which at least solves the problems of unclear display, high energy consumption and lack of an intelligent regulation mechanism of the existing liquid crystal display module under different environment brightness/temperature conditions. (II) technical scheme In order to solve the technical problems, the utility model provides the following technical scheme: The application provides a liquid crystal display module with an environment self-adaptive energy-saving control function, which comprises: a liquid crystal display; The main control board controls the driving of the liquid crystal display screen; The environment sensing unit comprises an illumination sensor and a temperature sensor and is used for acquiring environment light intensity and temperature data; The energy-saving control module is connected with the main control board and used for adjusting working parameters of the liquid crystal display screen according to the data acquired by the environment sensing unit; The backlight adjusting circuit is connected with the energy-saving control module and used for adjusting the backlight brightness of the liquid crystal display screen; The power management unit is used for supplying power and maintaining the standby operation of the module in a low-power consumption state. In a further scheme, the environment sensing unit is connected with the main control board through an I2C communication mode. In a further aspect, the energy-saving control module includes a PWM dimming chip and a current drive amplifier for providing a dimming signal to the backlight adjustment circuit. In a further scheme, a timer module is arranged in the main control board and is used for triggering the power management unit to enter a low-power consumption standby state under the condition that the ambient brightness is continuously lower than a set threshold value. In a further scheme, the main control board is connected with the liquid crystal display through an LCD driving chip, and the LCD driving chip is an SPI or RGB interface chip. In a further scheme, the system further comprises a wireless communication module which is connected with the main control board and used for uploading the real-time data acquired by the environment sensing unit to a remote