Fish farming thermostat controller 1

Published:2011/8/8 21:48:00 Author:Ecco | Keyword: Fish farming , thermostat controller | From:SeekIC

The fish farming thermostat controller circuit is composed of the power supply circuit and temperature control circuit, and it is shown in Figure 4-22. Power supply circuit consists of the power switch S, power transformer T, electric heater EH and rectifier diodes VDI-VD4. Temperature control circuit consists of the resistors Rl-R3, thermistor RT, potentiometer RP, capacitor C, single-junction transistor VU and thyristor VT. Rl select the 1/2W metal film resistor; R2 and R3 select the 1/4W metal film resistors or carbon film resistors. RP chooses the solid synthetic membrane potential potentiometer. C uses the monolithic capacitor or polyester capacitor.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Control_Circuit/Temperature_Control/Fish_farming_thermostat_controller_1.html

Print this Page | Comments | Reading(3)