Tool for testing thermal resistance of axial lead high-voltage diode

Abstract

The utility model relates to the technical field of high-voltage diode thermal resistance testing tools, in particular to an axial lead high-voltage diode thermal resistance testing tool which comprises a mounting table, the top of the mounting table is connected with a resistance testing controller through a bolt, and the top of the mounting table is connected with a mounting plate through a bolt. The top of the mounting plate is connected with a temperature detector through bolts, and the two sides of the top of the mounting plate are connected with first fixing plates through bolts. According to the utility model, the threaded sleeve is rotated to drive the threaded rod to move transversely, the threaded rod drives the moving plate to move transversely, the moving plate drives the transverse plate, the screw rod, the conductive seat and the insulating plate to move transversely, the position of the conductive seat is adjusted, and the temperature of the high-voltage diode is tested through the temperature detector. And if an overheating condition occurs, the electric telescopic rod is controlled by the resistance measuring controller to do telescopic motion, and the movable plate and the plug are driven by the electric telescopic rod to do transverse motion.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal resistance testing tooling for high-voltage diodes, in particular to a thermal resistance testing tooling for axial-lead high-voltage diodes. Background Art

[0002] The diode is an electronic device made of semiconductor materials. When testing the thermal resistance of a high-voltage diode, a test fixture is needed to position it.

[0003] After searching, the patent number is CN215641637U, and the name is a utility model for a glass-sealed diode steady-state thermal resistance test fixture, including a base plate. Through research and analysis, it is found that although it has the effect of controlling the movement of the glass-sealed diode and the test fixture has the advantage of position adjustment function, it still has the following disadvantages to a certain extent.

[0004] For example, during the use of the device, it is not convenient to test high-voltage diodes of different lengths, which reduces the applicability of the device. During the test, it is not convenient to test the temperature of the diode in real time, which affects the test data effect. In order to solve the above technical problems, we have designed an axial lead high-voltage diode thermal resistance test tooling. Utility Model Content

[0005] The utility model aims to provide an axial lead high-voltage diode thermal resistance test tool, which has the advantages of convenient positioning and convenient temperature testing, and solves the problems that the device is not convenient for testing high-voltage diodes of different lengths during use, reducing the applicability of the device, and is not convenient for real-time testing of the diode temperature during the test process, which affects the test data effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an axial lead high-voltage diode thermal resistance testing tool, comprising a mounting table, the top of the mounting table is connected to a resistance measurement controller by bolts, the top of the mounting table is connected to a mounting plate by bolts, the top of the mounting plate is connected to a temperature detector by bolts, both sides of the top of the mounting plate are connected to a first fixing plate by bolts, an energizing mechanism is provided on the side opposite to the first fixing plate, the top of the mounting plate is connected to a second fixing plate by bolts, the side opposite to the second fixing plate is connected to a mounting mechanism by bolts, the mounting mechanism includes a socket, the side opposite to the first fixing plate is connected to an adjustment mechanism by bolts, and the adjustment mechanism includes a threaded rod.

[0007] Preferably, the side opposite to the socket passes through the second fixed plate, a spring wire is installed on the side opposite to the socket, a movable plate is installed on the side opposite to the spring wire, the side opposite to the movable plate is connected to a horizontal plate by bolts, a screw rod is penetrated through the top of the horizontal plate, the bottom of the screw rod is rotatably connected to an insulating plate, the side opposite to the movable plate is connected to a conductive seat by bolts, and the side opposite to the threaded rod is connected to the movable plate by bolts.

[0008] Preferably, the top of the screw rod is connected to a handle via a bolt, the surface of the screw rod is threadedly connected to the cross plate, and the opposite side of the spring wire is connected to the conductive seat via a wire.

[0009] Preferably, the power-on mechanism includes an electric telescopic rod, the side opposite to the first fixed plate is connected to the electric telescopic rod by bolts, the side opposite to the electric telescopic rod is connected to a movable plate by bolts, a plug is penetrated through the side opposite to the movable plate, a connecting head is penetrated through the side opposite to the first fixed plate, the side opposite to the connecting head is connected to the plug by a wire, and the resistance measurement controller is electrically connected to the electric telescopic rod.

[0010] Preferably, the adjustment mechanism comprises a mounting tube, the opposite side of the first fixing plate is connected to the mounting tube via a bolt, the opposite side of the mounting tube is rotatably connected to a threaded sleeve, and the surface of the threaded rod is threadedly connected to the threaded sleeve.

[0011] Preferably, the resistance measurement controller is electrically connected to the temperature detector, and the four corners of the bottom of the mounting platform are connected to support blocks by bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model drives the threaded rod to move horizontally by rotating the threaded sleeve, drives the movable plate to move horizontally by the threaded rod, drives the horizontal plate, the screw rod, the conductive seat and the insulating plate to move horizontally by the movable plate, adjusts the position of the conductive seat, and after adjusting to a suitable position, places the high-voltage diode to be tested on the top of the conductive seat, drives the insulating plate to move up and down by rotating the screw rod, and presses the high-voltage diode connection point on the top of the conductive seat by the insulating plate to complete the installation of the high-voltage diode;

[0014] 2. The utility model tests the temperature of the high-voltage diode through a thermometer. During the test, if overheating occurs, the resistance measuring controller controls the electric telescopic rod to perform telescopic movement, and the electric telescopic rod drives the movable plate and the plug to perform lateral movement, so that the plug is pulled out of the socket, and the power is cut off for the diode under test to prevent major accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the socket and the spring wire of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the electric telescopic rod and the plug of the utility model;

[0018] Figure 4 It is a stereoscopic diagram of the installation cylinder and the threaded rod of the utility model.

[0019] In the figure: 1. mounting table; 2. resistance measuring controller; 3. mounting plate; 4. temperature measuring device; 5. first fixed plate; 6. second fixed plate; 7. electric telescopic rod; 8. movable plate; 9. connector; 10. plug; 11. socket; 12. mounting tube; 13. threaded sleeve; 14. threaded rod; 15. movable plate; 16. horizontal plate; 17. screw rod; 18. conductive seat; 19. insulating plate; 20. spring wire; 21. mounting mechanism; 22. power supply mechanism; 23. adjustment mechanism. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4 A thermal resistance test tool for an axial lead high-voltage diode comprises a mounting platform 1, a resistance measuring controller 2 is connected to the top of the mounting platform 1 by bolts, a mounting plate 3 is connected to the top of the mounting platform 1 by bolts, a temperature measuring device 4 is connected to the top of the mounting plate 3 by bolts, first fixing plates 5 are connected to both sides of the top of the mounting plate 3 by bolts, a power-on mechanism 22 is arranged on the side opposite to the first fixing plate 5, a second fixing plate 6 is connected to the top of the mounting plate 3 by bolts, a mounting mechanism 21 is connected to the side opposite to the second fixing plate 6 by bolts, the mounting mechanism 21 comprises a socket 11, an adjusting mechanism 23 is connected to the side opposite to the first fixing plate 5 by bolts, and the adjusting mechanism 23 comprises a threaded rod 14.

[0021] See also Figure 1 and Figure 2 The opposite side of the socket 11 passes through the second fixed plate 6, a spring wire 20 is installed on the opposite side of the socket 11, a movable plate 15 is installed on the opposite side of the spring wire 20, a horizontal plate 16 is connected to the opposite side of the movable plate 15 by bolts, a screw rod 17 is arranged on the top of the horizontal plate 16, an insulating plate 19 is rotatably connected to the bottom of the screw rod 17, a conductive seat 18 is connected to the opposite side of the movable plate 15 by bolts, and a threaded rod 14 is connected to the movable plate 15 by bolts on the opposite side. By setting the spring wire 20, telescopic movement can be performed, so as to provide activity space for the movable plate 15 and the conductive seat 18, and facilitate the movement of the conductive seat 18.

[0022] See also Figure 2The top of the screw rod 17 is connected with a handle by a bolt, the surface of the screw rod 17 is threadedly connected to the cross plate 16, and the opposite side of the spring wire 20 is connected to the conductive seat 18 through a wire. By setting the handle, it is convenient for the staff to grasp the screw rod 17 and to rotate the screw rod 17.

[0023] See also Figure 1 and Figure 3 The power-on mechanism 22 includes an electric telescopic rod 7, and the electric telescopic rod 7 is connected to the opposite side of the first fixed plate 5 by bolts. The movable plate 8 is connected to the opposite side of the electric telescopic rod 7 by bolts. A plug 10 is provided on the opposite side of the movable plate 8, and a connector 9 is provided on the opposite side of the first fixed plate 5. The opposite side of the connector 9 is connected to the plug 10 through a wire. The resistance measuring controller 2 is electrically connected to the electric telescopic rod 7. By providing the connector 9, it is convenient to power the high-voltage diode and facilitate the operation of the device.

[0024] See also Figure 1 and Figure 4 The adjustment mechanism 23 includes a mounting tube 12. The opposite side of the first fixing plate 5 is connected to the mounting tube 12 by a bolt. The opposite side of the mounting tube 12 is rotatably connected with a threaded sleeve 13. The surface of the threaded rod 14 is threadedly connected to the threaded sleeve 13. By setting the threaded sleeve 13, the threaded rod 14 can be easily driven to move, and the extension length of the threaded rod 14 can be easily controlled.

[0025] See also Figure 1 The resistance measuring controller 2 is electrically connected to the temperature measuring device 4. The four corners of the bottom of the mounting platform 1 are connected with supporting blocks by bolts. By providing the supporting blocks, the mounting platform 1 can be supported and the device can be kept stable.

[0026] When in use, the threaded sleeve 13 is rotated to drive the threaded rod 14 to move horizontally, the threaded rod 14 is used to drive the movable plate 15 to move horizontally, and the movable plate 15 is used to drive the horizontal plate 16, the screw rod 17, the conductive seat 18 and the insulating plate 19 to move horizontally, and the position of the conductive seat 18 is adjusted. After adjusting to a suitable position, the high-voltage diode to be tested is placed on the top of the conductive seat 18, and the insulating plate 19 is driven to move up and down by rotating the screw rod 17. The high-voltage diode connection at the top of the conductive seat 18 is pressed by the insulating plate 19 to complete the installation of the high-voltage diode. The temperature of the high-voltage diode is tested by the thermometer 4, and the test result is transmitted to the resistance measurement controller 2 for display. During the test, if overheating occurs, the electric telescopic rod 7 is controlled by the resistance measurement controller 2 to perform telescopic movement, and the movable plate 8 and the plug 10 are driven to perform horizontal movement by the electric telescopic rod 7, and the plug 10 is pulled out of the socket 11, and the diode under test is powered off to prevent major accidents.

[0027] In summary, the axial lead high-voltage diode thermal resistance test fixture, through the screw rod 17, the conductive seat 18, the insulating plate 19, the spring wire 20, the mounting mechanism 21, the power-on mechanism 22 and the adjustment mechanism 23, solves the problem that the device is not convenient for testing high-voltage diodes of different lengths during use, reducing the applicability of the device, and is not convenient for real-time testing of the diode temperature during the test, affecting the test data effect.

Claims

1. A thermal resistance test fixture for an axial lead high voltage diode, comprising a mounting platform (1), characterized in that: The top of the mounting platform (1) is connected to a resistance measuring controller (2) by bolts, the top of the mounting platform (1) is connected to a mounting plate (3) by bolts, the top of the mounting plate (3) is connected to a temperature measuring device (4) by bolts, both sides of the top of the mounting plate (3) are connected to a first fixing plate (5) by bolts, a power supply mechanism (22) is provided on the side opposite to the first fixing plate (5), the top of the mounting plate (3) is connected to a second fixing plate (6) by bolts, a mounting mechanism (21) is connected to the side opposite to the second fixing plate (6) by bolts, the mounting mechanism (21) comprises a socket (11), and an adjustment mechanism (23) is connected to the side opposite to the first fixing plate (5) by bolts, the adjustment mechanism (23) comprises a threaded rod (14).

2. The axial lead high voltage diode thermal resistance test fixture according to claim 1, characterized in that: The opposite side of the socket (11) passes through the second fixed plate (6), the opposite side of the socket (11) is equipped with a spring wire (20), the opposite side of the spring wire (20) is equipped with a movable plate (15), the opposite side of the movable plate (15) is connected to a transverse plate (16) by bolts, the top of the transverse plate (16) is penetrated by a screw rod (17), the bottom of the screw rod (17) is rotatably connected to an insulating plate (19), the opposite side of the movable plate (15) is connected to a conductive seat (18) by bolts, and the opposite side of the threaded rod (14) is connected to the movable plate (15) by bolts.

3. The axial lead high voltage diode thermal resistance test fixture according to claim 2, characterized in that: The top of the screw rod (17) is connected to a handle via a bolt, the surface of the screw rod (17) is threadedly connected to the cross plate (16), and the opposite side of the spring wire (20) is connected to the conductive seat (18) via a wire.

4. The thermal resistance test fixture for an axial lead high voltage diode according to claim 1, characterized in that: The power supply mechanism (22) comprises an electric telescopic rod (7), the electric telescopic rod (7) is connected to the opposite side of the first fixed plate (5) by bolts, the movable plate (8) is connected to the opposite side of the electric telescopic rod (7) by bolts, a plug (10) is provided through the opposite side of the movable plate (8), a connector (9) is provided through the opposite side of the first fixed plate (5), the opposite side of the connector (9) is connected to the plug (10) by a wire, and the resistance measurement controller (2) is electrically connected to the electric telescopic rod (7).

5. The thermal resistance test fixture for an axial lead high voltage diode according to claim 1, characterized in that: The adjustment mechanism (23) comprises a mounting tube (12), the opposite side of the first fixing plate (5) is connected to the mounting tube (12) via a bolt, the opposite side of the mounting tube (12) is rotatably connected to a threaded sleeve (13), and the surface of the threaded rod (14) is threadedly connected to the threaded sleeve (13).

6. The thermal resistance test fixture for an axial lead high voltage diode according to claim 1, characterized in that: The resistance measurement controller (2) is electrically connected to the temperature detector (4), and the four corners of the bottom of the mounting platform (1) are connected to support blocks via bolts.

Images