CN211785918U

CN211785918U - Power cycle test system

Info

Publication number: CN211785918U
Application number: CN202020237314.4U
Authority: CN
Inventors: 胡久恒; 安浙文
Original assignee: Hangzhou Gaokun Electronic Technology Co ltd
Current assignee: Hangzhou Gaokun Electronic Technology Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-27
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a power cycle test system belongs to test equipment technical field, including the cabinet body, cabinet body front lower part sets up the main power supply case, and main power supply incasement portion sets up main power supply, its characterized in that: main power supply box top sets up the test bench, and the test bench surface sets up 3 test channels side by side, and every test channel is inside to be set up 5 experimental stations, and the test bench top sets up wiring panel, and test bench one side sets up start button, stop button, and the nearly start button of the cabinet body, stop button one side set up the industrial control computer, and cabinet body back lower part sets up the test box, and the test box top sets up water cooling plant, and the nearly industrial control computer one side of wiring panel sets up smoke alarm, and the stop button top sets up emergency stop button, the utility model discloses the problem that current power cycle test system test station is few has been solved well, and efficiency of the test obviously improves, simultaneously, the security of whole test system and the accuracy of test result also obviously promote.

Description

Power cycle test system

Technical Field

The utility model relates to a test equipment technical field specifically is a power cycle test system.

Background

In the use of power electronic devices such as MOSFET, IGBT, diode, etc., with higher and higher energy load pressure, technical innovation is always performed by technicians, such as using a direct-bonded copper substrate capable of increasing heat conductivity, a more superior interconnection technology (thick-package bonding wire, tape bonding, etc.), and a solderless die-bonding technology, wherein the direct-bonded copper substrate helps to reduce temperature, the metal tape can carry larger current, the solderless die-bonding technology can use sintered silver, and has particularly low thermal resistance, the technical innovation aims at improving the heat conduction path in the assembly and enhancing the cycle capability of the assembly, even so that thermal and thermo-mechanical stress generated in the power cycle process in the assembly still causes system failures, such as package bonding wire degradation, adhesive layer fatigue, delamination and chip or substrate cracking, in order to avoid these problems, the reliability of the whole electronic system is not only shown to be stable under a normal working state, but also tested under extreme conditions, so that parameters such as current, voltage, junction temperature and the like need to be monitored in real time in the test process through a special power cycle test system, and the defects of the devices in the aging process are monitored in real time by using measured data The accuracy of the test results is significantly adversely affected, and improvements are urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a power cycle test system.

The utility model provides a power cycle test system, includes the cabinet body, the positive lower part of cabinet body sets up the main power supply box, the inside main power supply that sets up of main power supply box, its characterized in that: the utility model discloses a test cabinet, including main power supply box, 3 test channels, every, the cabinet body back lower part sets up the test box, the test box with industrial control computer electric connection, the wiring panel with test box electric connection, the test bench with wiring panel electric connection, start button, stop button with test bench electric connection, the main power supply with start button, stop button electric connection, the industrial control computer with main power supply electric connection.

Further, set up the heavy current terminal above the test box, the heavy current terminal with test box electric connection, the heavy current terminal with terminal panel electric connection, the quantity of heavy current terminal is 3 groups, 3 groups the heavy current terminal with 3 groups test channel one-to-one.

Furthermore, a water cooling device is arranged above the test box, and the number of the water cooling devices is 3.

Further, the wiring panel is close industrial control computer one side sets up smoke alarm, smoke alarm with main power supply electric connection, smoke alarm with industrial control computer electric connection.

Furthermore, an emergency stop button is arranged above the stop button, and the emergency stop button is electrically connected with the main power supply and the test bed respectively.

Furthermore, 20V/500A programmable power supply is arranged on one side of the test box, the 20V/500A programmable power supply is far away from the UPS power supply arranged on one side of the test box, and the UPS power supply is electrically connected with the industrial control computer.

Further, the top of the cabinet body is provided with a status indicator lamp, the upper part of the front side of the cabinet body is movably provided with a protective cover, the positions of four corners at the bottom of the cabinet body are respectively provided with a support column, and the inner side of each support column is movably provided with a universal wheel.

The utility model discloses a power cycle test system's beneficial effect does:

1. 3 test channels are arranged, and 5 test stations are arranged in each test channel, so that the problem that the existing power cycle test system is few in test stations is well solved, and the test efficiency is obviously improved;

2. the existence of the large-current wiring terminal enables the current of the test system to be up to 500A at most, potential safety hazards become more obvious in the limit state, the water cooling device well reduces the potential safety hazards through the circulating flow of cold water in the water cooling device, when the test system still generates safety accidents such as smoking and fire and is detected by the smoke alarm, the whole test system is powered off, and the safety of the test system is effectively improved;

3. when the test system works normally, the status indicator lamp is green, when the test system is abnormal, the status indicator lamp is red, a worker can select to press the stop button or the emergency stop button according to the severity of the abnormal condition, when the stop button is pressed, all the test system except the industrial control computer is powered off, the status indicator lamp is yellow, when the emergency stop button is pressed, the whole test system is powered off, and meanwhile, the UPS power supply starts to supply power to the industrial control computer, so that test data are prevented from being lost, and the safety of the test system is further improved;

4. the driving board, the control board and other devices are arranged in the test box, so that the wiring of the data acquisition part and the control part is separated from the large-current part, the influence of a large-current circuit on the data acquisition stability is well eliminated, and the accuracy of a test result is remarkably improved;

5. when this test system was out of work, the effective protection to cabinet body superstructure had been realized to the safety cover, and in addition, the column brace has realized the steady support to the cabinet body, and when the cabinet body was removed to needs, the staff can manually put down the universal wheel, makes it and ground contact to remove the cabinet body to required position, greatly enlarged this test system's working range and flexibility of use.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

Fig. 1 is a schematic front structural view of a power cycle test system according to the present invention;

fig. 2 is a schematic diagram of a back structure of a power cycle test system according to the present invention.

The device comprises a state indicator lamp 1, a wiring panel 2, a test channel 3, a cabinet 4, a support column 5, a universal wheel 6, a main power box 7, a starting button 8, a stopping button 9, an emergency stopping button 10, an industrial control computer 11, a smoke alarm 12, a protective cover 13, a test box 14, a programmable power supply 15-20V/500A, a UPS power supply 16, a water cooling device 17 and a high-current wiring terminal 18.

Detailed Description

For the sake of clarity, the power cycle test system of the present invention will be further described with reference to fig. 1 to 2 of the drawings.

The utility model provides a power cycle test system, includes the cabinet body 4, cabinet body 4 openly lower part sets up main power supply box 7, the inside main power supply that sets up of main power supply box 7, its characterized in that: a test bed is arranged above the

main power box

7, 3 test channels 3 are arranged on the surface of the test bed side by side, 5 test stations are arranged in each test channel 3, a wiring panel 2 is arranged above the test bed, a start button 8 and a stop button 9 are arranged on one side of the test bed, an industrial control computer 11 is arranged on one side of the cabinet body 4 close to the starting button 8 and the stopping button 9, a test box 14 is arranged at the lower part of the back surface of the cabinet body 4, the test box 14 is electrically connected with the industrial control computer 11, the wiring panel 2 is electrically connected with the test box 14, the test bed is electrically connected with the wiring panel 2, the start button 8, the stop button 9 and the test bench are electrically connected, the main power supply is electrically connected with the start button 8 and the stop button 9, and the industrial control computer 11 is electrically connected with the main power supply.

Further, a large-current wiring terminal 18 is arranged above the test box 14, the large-current wiring terminal 18 is electrically connected with the wiring panel 2, the number of the large-current wiring terminals 18 is 3, and the large-current wiring terminals 18 correspond to the test channels 3 in groups.

Further, a water cooling device 17 is arranged above the test box 14, and the number of the water cooling devices 17 is 3.

Further, the wiring panel 2 is close to one side of the industrial control computer 11 is provided with a smoke alarm 12, the smoke alarm 12 is electrically connected with the main power supply, and the smoke alarm 12 is electrically connected with the industrial control computer 11.

Further, an emergency stop button 10 is arranged above the stop button 9, and the emergency stop button 10 is electrically connected with the main power supply and the test bed respectively.

Further, 20V/500A programmable power supply 15 is arranged on one side of the test box 14, 20V/500A programmable power supply 15 is far away from the test box 14, a UPS (uninterrupted Power supply) 16 is arranged on one side of the test box, and the UPS 16 is electrically connected with the industrial control computer 11.

Further, 4 tops of the cabinet body set up status indicator lamp 1, the activity of 4 positive upper portions of the cabinet body sets up safety cover 13, the position at four angles in the bottom of the cabinet body 4 all sets up props post 5, prop the inboard activity of post 5 and set up universal wheel 6.

The utility model discloses a power cycle test system's theory of operation does: the protective cover 13 is opened, the device to be detected is placed at the position of a test station in the test channel 3, the start button 8 is pressed, corresponding parameters are set on the industrial control computer 11, the test box 14 transmits electric signals to the test bed through the wiring panel 2 and related circuits, test data are collected and transmitted to the industrial control computer 11, so that a worker can monitor the defects of the device in the aging process in real time, the reliability of an electronic system where the device is located is improved, the status indicator lamp 1 is displayed to be green in the test process, the water cooling device 17 cools the test system through the circulating flow of cold water in the water cooling device, when the test system still generates safety accidents such as smoking, fire and the like and is detected by the smoke alarm 12, the whole test system is powered off, when other abnormalities occur, the status indicator lamp 1 is displayed in red, a worker can select to press the stop button 9 or the emergency stop button 10 according to the severity of an abnormal condition, when the stop button 9 is pressed, all the test system except the industrial control computer 11 is powered off, the status indicator lamp 1 is displayed in yellow, when the emergency stop button 10 is pressed, the whole test system is powered off, and meanwhile, the UPS power supply 16 starts to supply power to the industrial control computer 11, so that test data are prevented from being lost.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a power cycle test system, includes the cabinet body (4), cabinet body (4) openly lower part sets up main power supply box (7), main power supply box (7) inside sets up main power supply, its characterized in that: the testing platform is arranged above the main power box (7), 3 testing channels (3) are arranged on the surface of the testing platform side by side, 5 testing stations are arranged in each testing channel (3), the wiring panel (2) is arranged above the testing platform, a starting button (8) and a stopping button (9) are arranged on one side of the testing platform, an industrial control computer (11) is arranged on one side of the starting button (8) and one side of the stopping button (9) close to the cabinet body (4), a testing box (14) is arranged on the lower portion of the back of the cabinet body (4), the testing box (14) is electrically connected with the industrial control computer (11), the wiring panel (2) is electrically connected with the testing box (14), the testing platform is electrically connected with the wiring panel (2), and the starting button (8) and the stopping button (9) are electrically connected with the testing platform, the main power supply is electrically connected with the starting button (8) and the stopping button (9), and the industrial control computer (11) is electrically connected with the main power supply.

2. A power cycle test system according to claim 1, wherein a large current terminal (18) is arranged above the test box (14), the large current terminal (18) is electrically connected with the wiring panel (2), the number of the large current terminals (18) is 3, and 3 groups of the large current terminals (18) correspond to 3 groups of the test channels (3) one by one.

3. A power cycle test system according to claim 1, wherein water cooling devices (17) are arranged above the test box (14), and the number of the water cooling devices (17) is 3.

4. A power cycle test system according to claim 1, wherein a smoke alarm (12) is provided on the side of the connection panel (2) near the industrial control computer (11), the smoke alarm (12) is electrically connected to the main power supply, and the smoke alarm (12) is electrically connected to the industrial control computer (11).

5. A power cycle test system according to claim 1, wherein an emergency stop button (10) is arranged above the stop button (9), and the emergency stop button (10) is electrically connected with the main power supply and the test bed respectively.

6. A power cycle test system according to claim 1, wherein a 20V/500A programmable power supply (15) is provided at one side of the test box (14), a UPS power supply (16) is provided at the side of the 20V/500A programmable power supply (15) far from the test box (14), and the UPS power supply (16) is electrically connected to the industrial control computer (11).

7. The power cycle test system according to claim 1, wherein a status indicator lamp (1) is arranged at the top of the cabinet body (4), a protective cover (13) is movably arranged at the upper part of the front surface of the cabinet body (4), supporting columns (5) are respectively arranged at four corners of the bottom of the cabinet body (4), and universal wheels (6) are movably arranged at the inner sides of the supporting columns (5).