Design Of A Micro-heat Tube Array Heat-collecting Temperature Difference Power Generation System

The global energy crisis poses a threat to human survival and development,making researchers more inclined to develop and use renewable resources,and thermoelectric power generation technology is considered to be the most prospective technology on development of new energy in 21 st century.Because of its advantages of no noise,small size,and light weight,the most promising new energy development technology.But its re low output power and poor heat transfer effect are still major problems.In order to solve the above problems,this paper designed a thermoelectric power generation device using micro heat pipes to collect heat.This paper firstly made a brief introduction of system which provided theoretical support of Design of a Micro-heat Tube Array Heat-collecting Temperature Difference Power Generation System,Then design the overall structure of the system,chose an appropriate placement angle for the system’s heat collection,and determine the heat transfer on the micro heat pipe array system through ANSYS simulation;then selected the appropriate cold end heat dissipation method according to the hot end temperature,and calculated the micro heat pipe array under the temperature difference between the cold and hot sections by simulation The current and voltage output by the system.According to the current and voltage values,rationally design and select each part of the circuit and original parts of the micro-heat pipe array collector type thermoelectric power generation system,first select the appropriate maximum power point tracking algorithm,and then select the energy storage inductor,filter capacitor and Switch tube a nd freewheeling diode are selected and explained,then the circuit design of the voltage stabilizing circuit,charging protection circuit and control acquisition circuit is carried out,and finally the Matlab / Simulink simulation of the control circuit of the thermoelectric power generation system is analyzed.Choose an appropriate experimental test device and build an experimental test platform according to the system schematic.The experimental results show that the average output voltage of the DC-DC conversion circuit in the system is about 11.32 V,and the average output current can reach 1.52 A,which is not in error with the actual simulation results More than 1.5%,meet the design requirements of DC-DC conversion circuit.Then test the charging voltage regulator circuit,the results show that the adjustable voltage range of the output is between 5.51 V and 7.01 V,and the current output range is between 0.71 A and 1.01 A,which meets the design purpose of charging the battery and the smart agricultural device,And the device uses clean solar energy,which will not cause environmental pollution problems during operation;and the method of use is simple,suitable for agricultural production and daily production and living needs.In addition,in terms of theoretical research,the design of this paper provides a new research direction for the field of thermoelectric power generation and plays a role in promoting the industrial development of new energy technologies.