阅读说明：本技术 一种高压力下电导电流测试系统及测试方法 (System and method for testing conductivity current under high pressure ) 是由 王暄 李智 于 2020-09-29 设计创作，主要内容包括：一种高压力下电导电流测试系统及测试方法。是为了解决每次测量需要间隔30分钟以上,由于测量无法实现自动测量,同时不能测定在待测材料在不同压力下电导电流的变化的问题。本发明组成包括：双向压力机(2)、待测材料(5)、上电极(3)、下电极(7)、控制电路(11)、调压控制器(9)、可调直流电源(13)、高阻计(14)和定时器(10)；所述的双向压力机上压力推臂(1)的上压板(4)压在所述的待测材料的上表面用于对待测材料施加上压力,所述的双向压力机下压力推臂(8)的下压板(6)压在所述的待测材料的下表面用于对待测材料施加下压力。本发明用于高压力下电导电流测试。(A system and a method for testing electric conduction current under high pressure are provided. The method aims to solve the problems that the measurement needs more than 30 minutes at each time, automatic measurement cannot be realized due to the measurement, and the change of the conductance current of the material to be measured under different pressures cannot be measured at the same time. The invention comprises the following components: the device comprises a two-way press (2), a material to be tested (5), an upper electrode (3), a lower electrode (7), a control circuit (11), a voltage regulation controller (9), an adjustable direct current power supply (13), a high resistance meter (14) and a timer (10); two-way press pressure push arm (1) top board (4) press be in the upper surface of the material to be measured be used for exerting the top pressure to the material to be measured, two-way press down force push arm (8) down clamp (6) press be in the lower surface of the material to be measured be used for exerting the holding down force to the material to be measured. The invention is used for conducting current test under high pressure.)

1. A high-pressure lower conductivity current test system is characterized by comprising a bidirectional press, a material to be tested, an upper electrode, a lower electrode, a control circuit, a voltage regulation controller, an adjustable direct-current power supply, a high resistance meter and a timer, wherein the bidirectional press is used for pressing the material to be tested;

the upper pressing plate of the upper pressure pushing arm of the two-way press is pressed on the upper surface of the material to be tested to apply upper pressure to the material to be tested, and the lower pressing plate of the lower pressure pushing arm of the two-way press is pressed on the lower surface of the material to be tested to apply lower pressure to the material to be tested;

the upper pressure plate is provided with a through hole and is internally inserted with an upper electrode, and the lower pressure plate is provided with a through hole and is internally inserted with a lower electrode;

the upper electrode and the lower electrode are respectively connected with the adjustable direct current power supply, and the high impedance meter is used for measuring the current passing through the upper electrode and the lower electrode;

the output end of the control circuit is connected with the input end of the pressure regulating controller, and the pressure regulating controller is electrically connected with the two-way press machine and used for regulating the pressure output of the two-way press machine.

2. The system for conducting current under high pressure of claim 1, wherein the lower surface of said upper electrode is coplanar with the lower surface of said upper platen.

3. The system for conducting current under high pressure of claim 2, wherein the upper surface of said lower electrode is coplanar with the upper surface of said lower platen.

4. The system for conducting current under high pressure according to claim 3, wherein the current source control signal output terminal of the control circuit is connected to the control signal input terminal of the adjustable DC power supply; and a timer signal output end of the timer is connected with a timer signal input end of the control circuit.

5. The system for conducting current under high pressure according to claim 4, further comprising a display, wherein a display signal input terminal of the display is connected to the output terminal of the control circuit.

6. A method for testing a system for conducting current under high pressure according to any one of claims 1 to 5, wherein: the method comprises the following steps: the control circuit controls the adjustable direct current power supply to be started or stopped according to the time output by the timer, and controls the output voltage of the adjustable direct current power supply by adopting the control circuit, so that the power supply to the tested component is realized according to the fixed time interval and different output voltages, and the conduction current is tested;

the pressure regulating controller controls the pressure change of the two-way press machine on the material to be measured, the pressure of the two-way press machine on the material to be measured is adjusted to be gradually increased, the two-way press machine is adjusted to the specified pressure and then is timed by the timer, the time is kept for 30-35min, the conductance current of the material to be measured is measured through the upper electrode and the lower electrode, the two-way press machine is increased to the next pressure gradient after the timing is reached, the conductance current of the material to be measured is also kept for 30-35min after the pressure is increased to the specified pressure, and the measurement of the conductance.

Technical Field

The invention relates to a system and a method for testing electric conduction current under high pressure.

Background

The current conduction current testing device is characterized in that an upper electrode and a lower electrode are respectively arranged on the upper surface and the lower surface of a composite material to be tested, then an adjustable direct current power supply is connected to the two electrodes, and then the current value passing through the two electrodes is collected, so that the conduction current value is obtained. However, in this way, each measurement takes more than 30 minutes, since the measurement cannot be automated and the change in the conductance current of the material to be measured at different pressures cannot be determined.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a system and a method for testing the conductance current under high pressure so as to overcome the defects in the prior art.

In order to achieve the purpose, the invention provides a system and a method for testing the conductance current under high pressure, wherein the system for testing the conductance current under high pressure comprises a bidirectional press, a material to be tested, an upper electrode, a lower electrode, a control circuit, a voltage regulation controller, an adjustable direct-current power supply, a high-resistance meter and a timer;

the upper pressing plate of the upper pressure pushing arm of the two-way press is pressed on the upper surface of the material to be tested to apply upper pressure to the material to be tested, and the lower pressing plate of the lower pressure pushing arm of the two-way press is pressed on the lower surface of the material to be tested to apply lower pressure to the material to be tested;

the upper pressure plate is provided with a through hole and is internally inserted with an upper electrode, and the lower pressure plate is provided with a through hole and is internally inserted with a lower electrode;

the upper electrode and the lower electrode are respectively connected with the adjustable direct current power supply, and the high impedance meter is used for measuring the current passing through the upper electrode and the lower electrode;

the output end of the control circuit is connected with the input end of the pressure regulating controller, and the pressure regulating controller is electrically connected with the two-way press machine and used for regulating the pressure output of the two-way press machine.

As a further description of the high-pressure conductance current testing system according to the present invention, preferably, the lower surface of the upper electrode and the lower surface of the upper platen are on the same plane.

As a further description of the system for measuring conductance current under high pressure according to the present invention, preferably, the upper surface of the lower electrode is coplanar with the upper surface of the lower pressing plate.