Grounding resistance detection device
A grounding resistance and detection device technology, which is applied in the direction of grounding resistance measurement, signal transmission system, instrument, etc., can solve the problems that only the value of each point can be measured independently, and the grounding resistance measurement data cannot be transmitted remotely, so as to achieve the effect of easy installation and use
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[0018] Such as figure 1 As shown, the ground resistance detection device includes a ground resistance sensor, a remote transmission device and a host computer. The ground resistance resistance sensor transmits the sensed current, voltage and temperature data to the remote transmission device through the communication interface, and the remote transmission device communicates with the host computer through GPRS. to communicate. The number of ground resistance sensors is at least one.
[0019] The ground resistance sensor includes a trigger power module, an induced current module and a temperature sensor. The trigger power module is connected to the voltage coil to provide an excitation signal and induce a potential E on the measured circuit. The induced current module is connected to the current coil. A current I is generated on the circuit, and the temperature sensor senses the temperature of the surrounding environment, triggering the power supply module, the induction curre...
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