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Electric exploration signal transmitter

A technology of electrical prospecting and transmitters, which is applied in electric/magnetic prospecting, electric controllers, radio wave measurement systems, etc., and can solve problems such as non-adjustable dead time, low integration, and high power consumption of the whole machine. problems, to achieve the effect of simplifying peripheral control and protection circuits, simple troubleshooting process, and easy fault identification

Inactive Publication Date: 2006-08-23
CENT SOUTH UNIV
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AI Technical Summary

Problems solved by technology

[0002] Existing electrical prospecting signal transmitters generally use silicon controlled rectifiers or IGBTs as inverters, which have the following defects: first, the integration level is not high, and additional control and protection circuits are required, resulting in a bulky system; second, There is no overheating protection; the third is that the protection speed is not timely; the fourth is that troubleshooting is difficult; the fifth is that the dead time cannot be adjusted; Most of the current is 100mA ~ 200mA, the power consumption is relatively large, and the cooling fan cannot be adjusted, resulting in excessive power consumption of the whole machine

Method used

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Embodiment Construction

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] refer to figure 1 , based on IPM (with a thermistor on its surface) and the inverter 6 with ground pins 11 and 12 contains a protection circuit, and is connected with the microcontroller 4, the cooling system 3 and the high-voltage power supply 10, and the IPM temperature measurement The system, power supply voltage measurement system, power supply current measurement system and battery voltage measurement system 7 are connected with the multiplexer switch 8, the A / D conversion circuit 9 is connected with the microcontroller 4 in sequence, and the human-computer interaction interface display and keyboard 1 are connected with the microcontroller 4. The inverter 4 is bidirectionally connected, the microcontroller 4 is also connected to the dead time adjustment circuit 2, the dead time adjustment circuit 2 is connected to the drive isolation circuit 5, and the drive ...

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Abstract

This invention discloses a sender of electric exploration signals, which applies IPM as the power conversion device to carry out intelligent control matched with a micro-controller, designs a dead zone time adjusting circuit at the input end of the drive isolation circuit control signals composed of a multiple analog switch, a resistor, a capacitor and OR gate and NOT-gate, a thermistor is set on the IPM surface and is connected with a temperature reducing system and a micro-controller to control the on and off of the fan intelligently by the micro-controller.

Description

technical field [0001] The invention relates to an electrical prospecting signal transmitter, in particular to an electrical prospecting signal transmitter for geological prospecting. Background technique [0002] The existing electrical prospecting signal transmitters generally use thyristors or IGBTs as inverters. They have the following defects: First, the integration is not high, and additional control and protection circuits are required, resulting in a bulky system; second, There is no overheating protection; third, the protection speed is not timely; fourth, it is difficult to troubleshoot; Most of the current is 100mA ~ 200mA, the power consumption is large, and the cooling fan is not adjustable, resulting in excessive power consumption of the whole machine. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide an electrical prospecting signal transmitter with small size, good reliabi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/00G05B9/02G05B11/01
Inventor 陈儒军刘石何继善颜良
Owner CENT SOUTH UNIV
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