Granted Patent B2

US 11,201,606 · App. 16/878,643 · Granted Dec 14, 2021

Inventors: Qingyun Di (Beijing, CN); Qihui Zhen (Beijing, CN); Quanmin Yang (Beijing, CN)

Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, THE CHINESE ACADEMY OF SCIENCES

H03K3/353

Abstract

Claims (18)

1. A CSAMT transmitter, comprising:

a first transmitter, wherein the first transmitter comprises a first generator, a first rectifier module, a first transmission module, and a second transmission module, and the first generator is connected to the first transmission module and the second transmission module by using the first rectifier module; and

a second transmitter, wherein the second transmitter comprises a second generator, a second rectifier module, a third transmission module, and a fourth transmission module, and the second generator is connected to the third transmission module and the fourth transmission module by using the second rectifier module, wherein

the first transmission module is connected to the third transmission module, and the second transmission module is connected to the fourth transmission module; and

the first transmission module has the same voltage as the third transmission module, and the second transmission module has the same voltage as the fourth transmission module.

2. The CSAMT transmitter according to claim 1 , wherein the first transmission module and the second transmission module have the same synchronous drive signal, and the third transmission module and the fourth transmission module have the same synchronous drive signal.

3. The CSAMT transmitter according to claim 1 , wherein a positive pole of power link of the first transmission module is connected to a positive pole of power link of the third transmission module, a negative pole of power link of the first transmission module is connected to a negative pole of power link of the third transmission module, a positive pole of power link of the second transmission module is connected to a positive pole of power link of the fourth transmission module, and a negative pole of power link of the second transmission module is connected to a negative pole of power link of the fourth transmission module.

4. The CSAMT transmitter according to claim 2 , wherein a positive pole of power link of the first transmission module is connected to a positive pole of power link of the third transmission module, a negative pole of power link of the first transmission module is connected to a negative pole of power link of the third transmission module, a positive pole of power link of the second transmission module is connected to a positive pole of power link of the fourth transmission module, and a negative pole of power link of the second transmission module is connected to a negative pole of power link of the fourth transmission module.

5. The CSAMT transmitter according to claim 1 , wherein both a bridge arm of the first transmission module and a bridge arm of the second transmission module are connected to a left electrode, and both a bridge arm of the third transmission module and a bridge arm of the fourth transmission module are connected to a right electrode.

6. The CSAMT transmitter according to claim 2 , wherein both a bridge arm of the first transmission module and a bridge arm of the second transmission module are connected to a left electrode, and both a bridge arm of the third transmission module and a bridge arm of the fourth transmission module are connected to a right electrode.

7. The CSAMT transmitter according to claim 1 , wherein upper switching transistors of the first transmission module and the second transmission module and lower switching transistors of the third transmission module and the fourth transmission module are simultaneously turned on or turned off; and

lower switching transistors of the first transmission module and the second transmission module and upper switching transistors of the third transmission module and the fourth transmission module are simultaneously turned on or turned off.

8. The CSAMT transmitter according to claim 5 , wherein transmission module extension can be further performed on the first transmitter, an extended transmission module is connected to the first rectifier module, and a bridge arm of the extended transmission module is connected to the left electrode; and

transmission module extension can be further performed on the second transmitter, an extended transmission module is connected to the second rectifier module, and a bridge arm of the extended transmission module is connected to the right electrode.

9. The CSAMT transmitter according to claim 6 , wherein transmission module extension can be further performed on the first transmitter, an extended transmission module is connected to the first rectifier module, and a bridge arm of the extended transmission module is connected to the left electrode; and

transmission module extension can be further performed on the second transmitter, an extended transmission module is connected to the second rectifier module, and a bridge arm of the extended transmission module is connected to the right electrode.

10. The CSAMT transmitter according to claim 1 , wherein the first transmission module is connected to the third transmission module by using a power supply line, and the second transmission module is connected to the fourth transmission module by using a power supply line.

11. The CSAMT transmitter according to claim 10 , wherein a distance between the power supply lines is greater than 1 meter, and a distance between the ground and each of the power supply lines is greater than 1 meter.

Assignments (7)