Analysis And Design Of Low Power Consumption Multifunctional Field Infrared Camera

The multifunctional field infrared camera has the functions of real-time video transmission,remote control,data acquisition,etc.,and has been widely used in the fields of animal protection and forestry monitoring.However,with the increase of functions such as species identification,data collection,and remote transmission,the power consumption of the camera continues to rise,making the multi-functional field infrared camera unable to meet the long-life requirements.Researchers need to replace the battery frequently,which is insufficient in ease of maintenance and practicability.,economic problems,etc.At the same time,the new requirements of intelligent and networked infrared cameras make the research and design of low power consumption of multifunctional field infrared cameras more and more important,and low power consumption design has become a research hotspot of current field infrared cameras.In this thesis,by studying the power consumption of multi-functional infrared camera,the design of low-power field infrared camera is completed,which reduces the average power consumption of the camera,prolongs the working time of the camera,and improves the practicability of the camera.Use multi-power domain design to achieve reasonable power network division and reduce static power consumption;reduce dynamic power consumption through adaptive voltage regulation and dynamic voltage regulation technology;realize flexible power-on and power-off control by optimizing power management controller;,to optimize the camera workflow.The main research and design contents include the following aspects:1.Design of low-power field infrared camera scheme: analyze the power consu mption of the overall scheme of the multi-function infrared camera and each module,and design the overall scheme of the low-power multi-function field infrared camera,which is divided into a low-power control system,a low-power High and low speed communication system,low power consumption environment perception system.Design working modes such as sleep,trigger shooting,data acquisition,and remote control according to the needs of the camera,and design the method for judging and processing the abnormal state of the camera.2.Low-power control system design based on multi-power domain and AVS technology: The multi-power domain design is used to realize the power-on and power-off sequence control of the control system,and the adaptive voltage regulation is simulated and tested through closed-loop equivalent model simulation and actual power consumption measurement.The technology optimizes the dynamic and static power consumption of the control system.3.Low-power high-low-speed communication system design based on selfadjustment of power consumption: According to the communication situation of the camera,by adjusting the supply voltage,reference voltage or configuration register,the multi-working mode design is realized,and the existing high-and low-speed network workflow is optimized to improve the Bandwidth resources,power consumption utilization,reduce dynamic power consumption.4.Design of low-power environment perception system based on DVS technology:use multiple power domains to achieve independent power management of each sensing module,introduce dynamic voltage adjustment of image sensors,and suppression mechanism for false triggering of infrared modules,and design the sampling accuracy of temperature,humidity,and air pressure sensors Optional low-power workflow for more flexible power control.5.Through power consumption test and endurance evaluation: The low-power multi-function field infrared camera designed in this thesis is tested and analyzed in detail,and low-power shooting,low-power communication,low-power environment perception,and high conversion rate are realized.The power supply effectively reduces the dynamic and static power consumption and improves the endurance of the infrared camera.