A New Line Temperature Transmitting Device
A new type of line temperature technology, applied in the direction of measuring devices, thermometers, thermometer parts, etc., can solve the problems of no relevant research, secondary circuit not open circuit, etc., achieve good stability, ensure stability, and reduce failure consequences Effect
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[0021] The present invention will be further described below in combination with specific embodiments.
[0022] Such as figure 2 , a new type of line temperature transmission device, used for drawing the current of the CT secondary winding to the heating resistor circuit when measuring the line temperature of the power transformer, the new line temperature transmission device includes a current for collecting the current data of the CT secondary winding Acquisition module 1, control circuit and AC constant current source circuit 3, wherein the control circuit includes central processing for processing the current data output by the current acquisition module 1 and controlling and adjusting the input current of the AC constant current source circuit through the serial port communication circuit device 2 and liquid crystal display module 4, the central processing unit 2 is connected with the liquid crystal display module 4, and the central processing unit 2 transmits the curren...
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