CN216979225U

CN216979225U - IGBT silicon controlled rectifier bridge module high temperature reverse bias aging testing device

Info

Publication number: CN216979225U
Application number: CN202123040834.XU
Authority: CN
Inventors: 杨种南; 蔡万顺; 蔡文诚
Original assignee: Heritage Electronic Technology Jiangsu Co ltd
Current assignee: Heritage Electronic Technology Jiangsu Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-15
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a high-temperature reverse-bias aging testing device for an IGBT silicon controlled rectifier bridge module, which comprises a machine body, a rubber block, a strain gauge, a rubber layer, a protective layer, an IGBT module, a telescopic rod, a rotating plate, an acceleration sensor, a gravity sensor, a high-pressure gas device, a first gas outlet pipe, a gas filling pipe and a second gas outlet pipe, wherein a groove is formed in the top of the machine body, the telescopic rod is arranged in the groove, the acceleration sensor is arranged in the machine body, and the gravity sensor is arranged in the machine body. The utility model has the technical effects that the engine body, the rubber block, the strain gauge, the rubber layer, the protective layer, the IGBT module, the telescopic rod, the rotating plate, the acceleration sensor, the gravity sensor and the high-pressure gas device achieve the protection function; the IGBT module protection device has the advantages of achieving protection functions, guaranteeing safety of IGBT modules or workers, being simple in structure, low in maintenance cost and high in safety.

Description

IGBT silicon controlled rectifier bridge module high temperature reverse bias aging testing device

Technical Field

The utility model relates to the technical field of protection of testing devices, in particular to a high-temperature reverse bias aging testing device for an IGBT silicon controlled rectifier bridge module.

Background

The high-temperature reverse bias aging testing device with the protection function for the IGBT silicon controlled rectifier bridge module is used for protecting the IGBT silicon controlled rectifier bridge module and avoiding smashing workers when the IGBT silicon controlled rectifier bridge module falls together with the testing device accidentally.

The existing IGBT testing device does not have a protection function, carries out safety protection on workers and the IGBT modules to be tested, for example, a testing tool for multi-specification IGBT performance testing, which is disclosed by the publication number CN201610141718.1, does not have a protection function, does not have safety guarantee on the IGBT modules or the workers, and is complex in structure, high in maintenance cost and low in safety.

Therefore, the utility model discloses a high-temperature reverse bias aging test device for an IGBT silicon controlled rectifier bridge module, which solves the problems that the device does not have a protection function, does not have safety guarantee for the IGBT module or workers, and is complex in structure, high in maintenance cost and low in safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature reverse bias aging testing device for an IGBT silicon controlled rectifier bridge module, which solves the problems that the high-temperature reverse bias aging testing device does not have a protection function in the technology, does not have safety guarantee for the IGBT module or workers, and is complex in structure, high in maintenance cost and low in safety.

In order to achieve the above purpose, the utility model provides the following technical scheme: a high-temperature reverse-bias aging testing device for an IGBT silicon controlled rectifier bridge module comprises a machine body, a rubber block, strain gauges, a rubber layer, a protective layer, an IGBT module, a telescopic rod, a rotating plate, an acceleration sensor, a gravity sensor, a high-pressure gas device, a first gas outlet pipe, a gas filling pipe and a second gas outlet pipe, wherein a groove is formed in the top of the machine body, the telescopic rod is arranged inside the groove, the acceleration sensor is arranged inside the machine body, the gravity sensor is arranged inside the machine body, the high-pressure gas device is arranged inside the machine body, the strain gauges are arranged at the bottom of the rubber block, the rubber layer is arranged at the bottom of the rubber block, the strain gauges are arranged at the top of the rubber layer, eight rubber layers are arranged, every four rubber layers are in one group, two groups of rubber layers are parallel, the problem that the high-temperature reverse-bias aging testing device does not have a protection function and does not have a safety guarantee for the IGBT module or a worker, complex structure, high maintenance cost and low safety.

Preferably, the top of the machine body is provided with two display lamps, the two display lamps are parallel, one display lamp detects normal signal transmission, and the other display lamp displays unqualified transmission signals.

Preferably, the outer surface of the machine body is provided with eight or eight rubber blocks, every four of the eight rubber blocks are in one group, the two groups of the rubber blocks are parallel, and the rubber blocks prevent edges and corners from smashing workers when the rubber blocks fall accidentally.

Preferably, a protective layer is arranged on the outer surface of the machine body, an open slot is formed in the top of the machine body, an IGBT module is arranged in the open slot, and a rotating plate is arranged at the top of the machine body and used for shielding.

Preferably, the foil gage is provided with four, four two liang of parallel foil gages, and the foil gage is located between block rubber and the rubber layer, plays testing arrangement on the workstation, and testing arrangement goes out some at the workstation, detects that foil gage atress is zero time, and testing arrangement is unsettled or drops, is by the warning suggestion of display lamp.

Preferably, twelve telescopic links are arranged in a group of three telescopic links, four groups of telescopic links are symmetrical, the telescopic links are extended when falling, the length of the telescopic links exceeds the height of the IGBT module, and the IGBT module is prevented from being damaged due to the falling of the testing device.

Preferably, the outer surface of the high-pressure gas device is provided with a first gas outlet pipe, the outer surface of the high-pressure gas device is provided with a second gas outlet pipe, the first gas outlet pipe and the second gas outlet pipe penetrate through the machine body, and gas is conveyed at the position of the protective layer when the protective layer drops.

Preferably, an inflation tube is arranged at the top of the high-pressure gas device, a rotating plate is arranged at the top of the inflation tube, the high-pressure gas device is used for storing high-pressure gas and inflating the protective layer when the high-pressure gas device falls off, and the inflation tube inflates the inside of the high-pressure gas device again, so that the high-pressure gas device can be repeatedly used.

In the technical scheme, the utility model has the following technical effects and advantages: the protection device has the technical effects that the protection function is achieved by the machine body, the rubber block, the strain gauge, the rubber layer, the protection layer, the IGBT module, the telescopic rod, the rotating plate, the acceleration sensor, the gravity sensor and the high-pressure gas device; the IGBT module protection device has the advantages of achieving protection functions, guaranteeing safety of IGBT modules or workers, being simple in structure, low in maintenance cost and high in safety.

The utility model provides the following technical effects and advantages: the rubber block, the strain gauge and the rubber layer are matched with each other for use; the advantage lies in, testing arrangement is on the workstation, and testing arrangement goes out some at the workstation, detects the foil gage atress and is zero the time, and testing arrangement is in unsettled or the state that drops, by display lamp alarm suggestion, and the rubber block has certain buffer power, avoids the edges and corners to injure the staff by a crashing object.

The utility model provides the following technical effects and advantages: the technical effect is that the protective layer, the telescopic rod, the acceleration sensor, the gravity sensor and the high-pressure gas device are mutually matched for use; the advantage lies in, whether acceleration sensor and gravity inductor can perception testing arrangement is in the state that drops, and transfer signal gives telescopic link and high-pressure gas device, the telescopic link extension, length exceeds the height of IGBT module, avoids the IGBT module because of testing arrangement's the damage that drops, and the high-pressure gas device emits high-pressure gas into between the outer wall of protective layer and organism through first outlet duct and second outlet duct, makes the protective layer swell, cushions the testing arrangement that drops.

Drawings

FIG. 1 is a schematic view of the overall structure of a rubber block of the present invention;

FIG. 2 is a schematic view of the overall structure of the passivation layer according to the present invention;

FIG. 3 is a sectional view showing the overall structure of the housing of the present invention;

FIG. 4 is a structural cross-sectional view of the rubber layer of the present invention.

Description of reference numerals:

1. a body; 2. a display lamp; 3. a rubber block; 4. a strain gauge; 5. a rubber layer; 6. a protective layer; 7. an open slot; 8. an IGBT module; 9. a groove; 10. a telescopic rod; 11. a rotating plate; 12. an acceleration sensor; 13. a gravity sensor; 14. a high pressure gas device; 15. a first outlet pipe; 16. an inflation tube; 17. and a second air outlet pipe.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a high-temperature reverse bias aging test device of an IGBT silicon controlled rectifier bridge module as shown in figures 1-4, which comprises a machine body 1, a rubber block 3, a strain gauge 4, a rubber layer 5, a protective layer 6, an IGBT module 8, a telescopic rod 10, a rotating plate 11, an acceleration sensor 12, a gravity sensor 13, a high-pressure gas device 14, a first gas outlet pipe 15, an inflation pipe 16 and a second gas outlet pipe 17, wherein the top of the machine body 1 is provided with a groove 9, the telescopic rod 10 is arranged inside the groove 9, the acceleration sensor 12 is arranged inside the machine body 1, the gravity sensor 13 is arranged inside the machine body 1, the high-pressure gas device 14 is arranged inside the machine body 1, the bottom of the rubber block 3 is provided with the strain gauge 4, the bottom of the rubber block 3 is provided with the rubber layer 5, the top of the rubber layer 5 is provided with the strain gauge 4, the rubber layer 5 is provided with eight, and every four eight rubber layers 5 form a group, the two sets of rubber layers 5 are parallel.

1 top of organism is provided with display lamp 2, display lamp 2 is provided with two, two display lamp 2 are parallel, 1 surface of organism is provided with block rubber 3, block rubber 3 is provided with eight, every four of eight block rubber 3 are a set of, two sets of block rubber 3 are parallel, 1 surface of organism is provided with protective layer 6, open slot 7 has been seted up at 1 top of organism, the inside IGBT module 8 that is provided with of open slot 7, 1 top of organism is provided with rotor plate 11, foil gage 4 is provided with four, two liang of parallel of four foil gages 4, telescopic link 10 is provided with twelve, every three of twelve telescopic links 10 is a set of, four group's telescopic link 10 symmetries, 14 surfaces of high-pressure gas device are provided with

first outlet duct

15, 14 surfaces of high-pressure gas device are provided with

second outlet duct

17, 14 top of high-pressure gas device is provided with

gas tube

16, 16 tops of gas tube are provided with rotor plate 11.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when the device is used, an IGBT module (8) is placed into an open slot (7) of a machine body (1) for detection, when the IGBT module (8) is qualified, a display lamp (2) is lightened, when the IGBT module is unqualified, the other display lamp (2) is lightened, a testing device is arranged on a workbench, the testing device is arranged on the workbench, when the testing device detects that the stress of a strain gauge (4) is zero, the testing device is suspended or dropped, the display lamp (2) gives an alarm to prompt, when the testing device is dropped, an acceleration sensor (12) and a gravity sensor (13) can sense whether the testing device is in a dropping state, signals are transmitted to a telescopic rod (10) and a high-pressure gas device (14), the telescopic rod (10) is extended, the length exceeds the height of the IGBT module (8), protection is carried out, and the damage of the IGBT module (8) caused by the dropping of the testing device is avoided, high-pressure gas device (14) are discharged high-pressure gas between the outer wall of protective layer (6) and organism (1) through first outlet duct (15) and second outlet duct (17), make protective layer (6) swell, cushion the testing arrangement who drops, form the air cushion, staff is injure by a crashing object in order to prevent edges and corners when the accident drops in rubber block (3), the inside high-pressure gas release back of high-pressure gas device (14), rotor plate (11) are opened, aerify from gas tube (16), can make high-pressure gas device (14) used repeatedly, avoid the wasting of resources.

Claims

1. The utility model provides a IGBT silicon controlled rectifier bridge module high temperature reverse bias aging testing device, includes organism (1), block rubber (3), foil gage (4), rubber layer (5), protective layer (6), IGBT module (8), telescopic link (10), rotor plate (11), acceleration sensor (12), gravity inductor (13), high-pressure gas device (14), first outlet duct (15), gas tube (16) and second outlet duct (17), its characterized in that: the improved engine body is characterized in that a groove (9) is formed in the top of the engine body (1), a telescopic rod (10) is arranged inside the groove (9), an acceleration sensor (12) is arranged inside the engine body (1), a gravity sensor (13) is arranged inside the engine body (1), a high-pressure gas device (14) is arranged inside the engine body (1), a strain gauge (4) is arranged at the bottom of the rubber block (3), a rubber layer (5) is arranged at the bottom of the rubber block (3), the strain gauge (4) is arranged at the top of the rubber layer (5), eight rubber layers (5) are arranged, and every four rubber layers (5) are in one group and are parallel to the rubber layer (5).

2. The IGBT silicon controlled rectifier bridge module high-temperature reverse bias aging testing device of claim 1, characterized in that: the novel multifunctional portable computer is characterized in that display lamps (2) are arranged on the top of the computer body (1), two display lamps (2) are arranged, and the two display lamps (2) are parallel.

3. The IGBT silicon controlled rectifier bridge module high-temperature reverse bias aging testing device of claim 1, characterized in that: the outer surface of the machine body (1) is provided with eight rubber blocks (3), the number of the rubber blocks (3) is eight, every four rubber blocks are a group, and the rubber blocks (3) are parallel.

4. The IGBT silicon controlled rectifier bridge module high-temperature reverse bias aging testing device of claim 1, characterized in that: the external surface of the machine body (1) is provided with a protective layer (6), the top of the machine body (1) is provided with an open slot (7), an IGBT module (8) is arranged in the open slot (7), and the top of the machine body (1) is provided with a rotating plate (11).

5. The IGBT silicon controlled rectifier bridge module high-temperature reverse bias aging testing device of claim 1, characterized in that: the number of the strain gauges (4) is four, and the four strain gauges (4) are parallel to each other.

6. The IGBT silicon controlled rectifier bridge module high-temperature reverse bias aging testing device of claim 1, characterized in that: twelve telescopic rods (10) are arranged, twelve telescopic rods (10) are arranged in a group of three, and four groups of telescopic rods (10) are symmetrical.

7. The IGBT silicon controlled rectifier bridge module high-temperature reverse bias aging testing device of claim 1, characterized in that: the outer surface of the high-pressure gas device (14) is provided with a first gas outlet pipe (15), and the outer surface of the high-pressure gas device (14) is provided with a second gas outlet pipe (17).

8. The IGBT silicon controlled rectifier bridge module high temperature reverse bias aging testing device of claim 7, characterized in that: an inflation tube (16) is arranged at the top of the high-pressure gas device (14), and a rotating plate (11) is arranged at the top of the inflation tube (16).