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CN-121978428-A - Irradiation experimental device

CN121978428ACN 121978428 ACN121978428 ACN 121978428ACN-121978428-A

Abstract

The specification discloses an irradiation experimental apparatus. The irradiation experimental device comprises a box body, a base, an isolation tube and a connecting wire, wherein a test seat and an irradiation device are arranged in the box body, a power supply module is arranged in the base, the isolation tube penetrates through one side surface of the box body and one side surface of the base to form a channel for connecting the box body and the base, on the basis, the connecting wire penetrates through the channel, the two ends of the connecting wire are respectively provided with the connecting heads, the connecting heads of the first end are connected with the power supply module, and the connecting heads of the second end are connected with the test seat, so that when an object to be tested on the test seat is irradiated through the irradiation device, the connecting wire can be protected through the isolation tube, and further, the connecting wire can be prevented from being directly irradiated through the power supply module arranged in the base, the connecting wire under the protection of the isolation tube and a safe and controllable bias voltage provided by the test seat for the object to be tested.

Inventors

  • LIU HUAN
  • ZHANG YULIN
  • ZHANG ZHENG
  • YU TA
  • LIU YAN
  • HAN GENQUAN

Assignees

  • 西安电子科技大学

Dates

Publication Date
20260505
Application Date
20251113

Claims (10)

  1. 1. The irradiation experimental device is characterized by comprising a box body (1), an isolation tube (2) and a connecting wire (3), wherein a test seat (4) and an irradiation device (5) are arranged in the box body (1), a power supply module (6) is arranged outside the box body (1), the isolation tube (2) penetrates through one side surface of the box body (1) to form a channel for connecting the inner space and the outer space of the box body (1) and enabling the connecting wire (3) to penetrate through the channel, a connector (31) at one end of the connecting wire (3) is connected with the power supply module (6), a connector (32) at the other end of the connecting wire is connected with the test seat (4), and the irradiation shielding efficiency of the isolation tube (2) is higher than a specified threshold value; the irradiation device (5) is used for irradiating an object to be detected on the test seat (4); the power supply module (6) is used for applying bias voltage to the object to be tested through the connecting wire.
  2. 2. The irradiation experimental device according to claim 1, further comprising a base (7), wherein the top of the base (7) is connected with the bottom of the case (1), the power supply module (6) is disposed in the base (7), and the isolation tube (2) penetrates through one side surface of the case (1) and one side surface of the base (7) to form a channel connecting the case (1) and the base (7), and the connecting line (3) penetrates through the channel.
  3. 3. Irradiation experimental device according to claim 1, characterized in that a stage (8) is provided on the bottom of the box (1), the test socket (4) being placed on the stage (8), the stage (8) being used for separating the test socket (4) from the bottom of the box (1).
  4. 4. The irradiation experimental device according to claim 3, further comprising a heating device (10), wherein the heating device (10) is configured to provide different ambient temperatures for the object to be measured.
  5. 5. The irradiation experiment device according to claim 4, wherein the heating device (10) comprises a water cavity (11), a heating pipe (12) is further arranged in the water cavity (11), the heating pipe (12) is used for heating water in the water cavity (11), and the water cavity (11) is arranged under the objective table (8).
  6. 6. The irradiation experimental device according to claim 5, wherein the heating tube (12) comprises an electric heating element, the resistance value of the electric heating element is constant when the temperature of the electric heating element is in a first temperature range, the resistance value of the electric heating element is increased stepwise when the temperature of the electric heating element is in a second temperature range, and the maximum value of the first temperature range is smaller than the minimum value of the second temperature range.
  7. 7. The irradiation experiment device according to claim 5, wherein the heating device (10) further comprises a water inlet pipe (13), a water outlet pipe (14), a water storage device (15) and a water pump (16), wherein one end of the water inlet pipe (13) is connected with the water cavity (11), the other end of the water inlet pipe passes through one side surface of the box body (1) to be connected with the water storage device (15) to form a water inlet channel, one end of the water outlet pipe (14) is connected with the water cavity (11), the other end of the water inlet pipe (12) passes through one side surface of the box body (1) to be connected with the water storage device (15) to form a water outlet channel, and the water pump (16) is used for pumping water in the water storage device (15) into the water cavity (11) through the water inlet channel after the water in the water cavity (11) reaches a specified temperature so as to enable water circulation between the water cavity (11) and the water storage device (15).
  8. 8. Irradiation experimental device according to claim 7, characterized in that valves are arranged in the water inlet pipe (13) and the water outlet pipe (14), before the heating pipe (12) starts heating, the valves of the water inlet pipe (13) are opened, water in the water reservoir (15) is pumped into the water cavity (11) through the water inlet channel by the water pump (16), when the heating pipe (12) starts heating, the valves of the water inlet pipe (13) are closed, after the water in the water cavity (11) reaches a specified temperature, the valves of the water inlet pipe (13) and the valves of the water outlet pipe (14) are opened, and water in the water reservoir (15) is pumped into the water cavity (11) through the water inlet channel by the water pump (16), so that water circulation is performed between the water cavity (11) and the water reservoir (15).
  9. 9. The irradiation experiment device according to any one of claims 5-8, wherein a detector layer (17) is further arranged between the water cavity (11) and the objective table (8), and at least one detector of a temperature detector and a semiconductor detector is arranged in the detector layer.
  10. 10. The irradiation experimental device according to claim 1, further comprising a console (18), wherein the console (18) is physically connected or signal connected to the power supply module (6), and wherein the console (18) is configured to set a voltage for the power supply module (6) such that the power supply module (6) applies a bias voltage to the object to be measured according to the set voltage.

Description

Irradiation experimental device Technical Field The specification relates to the technical field of radiation effect testing, in particular to a radiation experimental device. Background At present, various devices and key components thereof in a nuclear reactor need to be in a strong irradiation environment for a long time in the operation process of the nuclear reactor, so that the problems of material performance degradation, electronic component failure or mechanical structure damage and the like occur under the influence of nuclear irradiation such as neutrons, gamma rays and the like for a long time. Therefore, in order to ensure safe and stable operation of the nuclear reactor, each new device or component used in the nuclear reactor needs to be subjected to a strict irradiation tolerance verification before being put into use. That is, it is necessary to expose the object to be measured to an irradiation field (such as neutron fluence rate, gamma dose rate, etc.) identical or similar to the actual working environment, in order to accurately evaluate the reliability, functional stability, and lifetime characteristics thereof under long-term irradiation. When an object to be measured such as a capacitor, a semiconductor device, an integrated circuit and the like is subjected to application of a bias voltage, the object to be measured is irradiated under the condition that the applied voltage is not 0, and therefore the working characteristics of the object to be measured under the conditions of the applied bias voltage and irradiation are measured. However, due to the influence of the irradiation field generated in the irradiation process of the irradiation experimental device, when an external circuit is connected in the irradiation experimental device for applying bias voltage to the object to be measured, the external circuit may have problems such as arc discharge, short circuit and the like under the action of the irradiation field. Disclosure of Invention The present specification provides an irradiation experimental apparatus to partially solve the above-mentioned problems existing in the prior art. The technical scheme adopted in the specification is as follows: The specification provides an irradiation experimental device, The irradiation experimental device comprises a box body 1, an isolation tube 2 and a connecting wire 3, wherein a test seat 4 and an irradiation device 5 are arranged in the box body 1, a power supply module 6 is arranged outside the box body 1, the isolation tube 2 penetrates through one side surface of the box body 1 to form a channel for connecting the inner space of the box body 1 and the outer space, the connecting wire 3 penetrates through the channel, a connector 31 at one end of the connecting wire 3 is connected with the power supply module 6, a connector 32 at the other end of the connecting wire is connected with the test seat 4, and the irradiation shielding efficiency of the isolation tube 2 is higher than a specified threshold; the irradiation device 5 is used for irradiating an object to be detected on the test seat 4; The power supply module 6 is configured to apply a bias voltage to the object to be measured through the connection line. Optionally, the irradiation experimental device further comprises a base 7, wherein the top of the base 7 is connected with the bottom of the box body 1, the power supply module 6 is arranged in the base 7, the isolation tube 2 penetrates through the surface of one side of the box body 1 and the surface of one side of the base 7 to form a channel for connecting the box body 1 and the base 7, and the connecting wire 3 penetrates through the channel. Optionally, a stage 8 is provided on the bottom of the case 1, and the test socket 4 is placed on the stage 8, and the stage 8 is used to separate the test socket 4 from the bottom of the case 1. Optionally, the irradiation experiment device further comprises a heating device 10, wherein the heating device 10 is used for providing different environment temperatures for the object to be tested. Optionally, the heating device 10 includes a water cavity 11, the water cavity 11 is disposed inside the case 1, a heating pipe 12 is further disposed in the water cavity 11, the heating pipe 12 is used for heating water in the water cavity 11, and the water cavity 11 is disposed under the stage 8. Optionally, the heating tube 12 includes an electric heating element, where the resistance value of the electric heating element is constant when the temperature of the electric heating element is in a first temperature range, and the resistance value of the electric heating element is increased stepwise when the temperature of the electric heating element is in a second temperature range, and the maximum value of the first temperature range is smaller than the minimum value of the second temperature range. Optionally, the heating device 10 further comprises a water inlet pipe 13, a water outlet