Electronic Tag Display Temperature Protection
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Solution Overview
Problem
Electronic tags used in indoor and outdoor environments face challenges with temperature extremes, which can damage the display screens and affect their operational reliability, as existing technologies do not effectively manage temperature ranges to protect the devices.
Innovation Solution
The electronic tag incorporates a temperature sensor and a main controller that shuts off power to the display screen when ambient temperatures exceed the operating range and activates a heat dissipation device when temperatures are beyond the storage range, ensuring the screen's safety and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display screen operates in extreme temperature environments, then the electronic tag can be used in more environments, but the display screen may be damaged and reliability decreases
Solution Approach 1:
The temperature sensor continuously monitors ambient temperature before extreme conditions can damage the display screen. The main controller receives temperature data in advance and proactively adjusts power supply or activates heat dissipation devices before the display screen is exposed to damaging temperatures, preventing damage before it occurs.
Solution Approach 2:
The temperature sensor acts as an intermediary between the environment and the display screen, detecting temperature conditions and transmitting information to the main controller. The main controller then mediates by controlling power supply or heat dissipation devices to protect the display screen from extreme temperatures.
2Ease of operation
If power is continuously supplied to the display screen, then the display functionality is maintained, but energy consumption increases and heat generation may damage the screen
Solution Approach 1:
The main controller periodically checks temperature data from the sensor and adjusts power supply accordingly. Power is supplied to the display screen only when temperature conditions are within the safe operating range, and power is cut off or reduced when temperatures exceed thresholds, creating a periodic on-off pattern based on environmental conditions.
Solution Approach 2:
The system changes the power supply parameter dynamically based on temperature conditions. When temperature is within the operating range, full power is supplied for normal display operation. When temperature exceeds the operating range but remains within storage range, power is cut off to prevent damage. This parameter change optimizes both functionality and energy efficiency.
3Reliability
If power is cut off to protect the display screen from high temperatures, then reliability is improved, but the display cannot function when needed
Solution Approach 1:
The power supply control is dynamic rather than static. The main controller continuously monitors temperature and dynamically adjusts power supply status. When temperature drops below the threshold, power is automatically restored, allowing the display to function again. This dynamic control ensures the display operates whenever environmental conditions permit, maximizing productivity while maintaining reliability.
Solution Approach 2:
The temperature sensor provides continuous feedback to the main controller about ambient temperature conditions. The main controller uses this feedback to make real-time decisions about power supply. When feedback indicates temperature is within the operating range, power is supplied and the display functions. When feedback shows temperature exceeds thresholds, power is adjusted accordingly, creating a closed-loop control system.
4Temperature
If heat dissipation devices are activated to cool the display screen, then temperature control is improved, but device complexity and energy consumption increase
Solution Approach 1:
The heat dissipation device is activated only in the specific condition when temperature exceeds the operating range but remains within the storage range. This localized application of heat dissipation针对 the specific temperature problem area, rather than continuously operating or being part of a complex always-on cooling system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution effectively protects the electronic tag's display screen from damage due to extreme temperatures, ensuring reliable operation by managing power supply and using heat dissipation when necessary, thus extending its lifespan and performance.
Implementation Method 1
The sensor is configured to detect an ambient temperature of an environment in which the electronic tag body is located
Implementation Method 2
The main controller is further configured to turn on the heat dissipation device in response to the ambient temperature being higher than a maximum value of a storage temperature range of the display screen, so as to cool down the display screen
Data Source
AI summary
An electronic tag includes an electronic tag body. The electronic tag body includes a housing, a display screen configured to display information, and a sensor and a main controller that are disposed inside the housing. The sensor is configured to detect an ambient temperature of an environment in which the electronic tag body is located. The main controller is configured to shut off power supplied to the display screen in response to the ambient temperature detected by the sensor being beyond an operating temperature range of the display screen.