Multifunctional comprehensive power-carrying aging test system

Abstract

The utility model discloses a multifunctional comprehensive power-carrying aging test system, which comprises an electric control cabinet and an environment box, a test area, a freezing area and a water storage area are arranged in the environment box, a sensor group is arranged at the top in the test area, vertical plates are arranged on two sides in the test area, air inlets are formed in the vertical plates, and a water inlet is formed in the freezing area. An air outlet is formed in the rear end of the interior of the testing area, a draught fan is arranged in the environment box and close to the testing area, the input end of the draught fan is communicated with the air inlet, a partition plate is arranged between the two vertical plates, and burn-in plates are arranged on the two sides of the top of the partition plate. The test system integrates multiple functions, is compatible with the functions of high-temperature and high-humidity reverse bias test, high-temperature reverse bias test, high-temperature grid bias test and high-low temperature test at the same time, and compared with conventional single-function equipment, the purchase cost is greatly reduced, the equipment utilization rate is improved, and the product test requirements of customers are greatly met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multifunctional comprehensive load aging test system. BACKGROUND

[0002] To ensure the reliability of device, a series of reliability aging tests will be used to check and screen before device is shipped. For different use environments and bias states of power semiconductor devices, the types and conditions of reliability tests used will also be different. For power semiconductor devices, high temperature and high humidity reverse bias test (H3TRB), high temperature reverse bias test (HTRB), high temperature gate bias test (HTGB) and high and low temperature test (HTSL & LTSL) are four tests that must be done before device is shipped.

[0003] The existing system is mostly single function, and more than five conventional devices are needed to meet the above tests, which is time-consuming and laborious, and has certain inconvenience.

[0004] Therefore, it is necessary to provide a multifunctional comprehensive load aging test system to solve the above problems. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide a multifunctional comprehensive load aging test system to solve the problems raised in the above background.

[0006] To solve the above problems, the utility model adopts the following technical scheme:

[0007] A multifunctional comprehensive load aging test system, comprising an electric control cabinet and an environmental box, a high-voltage wire harness is connected between the electric control cabinet and the environmental box, a control panel is arranged on one side of the front end of the environmental box, a test area, a refrigeration area and a water storage area are arranged inside the environmental box, a first cabinet door, a second cabinet door and a third cabinet door are sequentially arranged at the front end of the test area, a refrigeration area and a water storage area, a sensor group is arranged on the top of the test area, vertical plates are arranged on both sides of the inside of the test area, an air inlet is arranged on the vertical plate, an air outlet is arranged at the rear end of the inside of the test area, a fan is arranged inside the environmental box and close to the test area, the input end of the fan is communicated with the air inlet, a partition plate is arranged between the two vertical plates, aging plates are arranged on both sides of the top of the partition plate, an aging plate interface is arranged at the rear end of the inner wall of the test area, a drain port is arranged at the bottom of the test area, and the drain port is communicated with the refrigeration area.

[0008] Preferably, a three-color lamp is arranged on one side of the top of the environmental box.

[0009] Preferably, a communication module and a leakage circuit breaker are arranged on one side of the environmental box.

[0010] Preferably, a water inlet hole and a drain hole are arranged at the rear end of the environmental box and correspond to the water storage area.

[0011] Preferably, the electric control cabinet is provided with a caster at each of the four corners of the bottom of the environmental box.

[0012] Preferably, the front surface of the test area is provided with a pressing.

[0013] Preferably, the first cabinet door is provided with an observation window.

[0014] The beneficial effects of the present application are as follows: the electric control cabinet and the high-voltage wire harness are used to electrically control the environmental box, the first cabinet door is opened, the test area is used to test the device, the sensor group is used to sense the temperature of the test area, the partition plate is used to place the device, the aging board interface is used to power on the aging board and the equipment, the aging boards on both sides are used to clamp the device for testing, the stress tests such as high temperature, low temperature, high pressure, and low pressure are simulated to simulate various extreme conditions and working loads that the device may encounter in actual use, the fan, the air inlet, and the air outlet are used to complete the air circulation inside the test area, the drain and the freezing area are connected to allow the water in the test area to flow into the freezing area, and the control panel is used to display the test results and adjust the test parameters. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, but not limited to the protection scope of the present application.

[0016] Figure 1 A front view of the system as a whole is provided for the present application.

[0017] Figure 2 A perspective view of the environmental box is provided for the present application.

[0018] Figure 3 An internal structure diagram of the bottom of the environmental box is provided for the present application.

[0019] Figure 4 A structural schematic view of the test area is provided for the present application.

[0020] Figure 5 A side sectional view of the environmental box is provided for the present application.

[0021] Figure 6 A rear view of the environmental box is provided for the present application.

[0022] Wherein, 1, electric control cabinet; 2, environmental box; 3, high voltage wire harness; 4, control panel; 5, test area; 6, refrigeration area; 7, water storage area; 8, first cabinet door; 9, second cabinet door; 10, third cabinet door; 11, sensor group; 12, vertical plate; 13, air inlet; 14, air outlet; 15, fan; 16, partition plate; 17, aging plate; 18, aging plate interface; 19, drain; 20, three-color lamp; 21, communication module; 22, leakage circuit breaker; 23, water inlet; 24, drain hole; 25, caster; 26, forced tight; 27, observation window. DETAILED DESCRIPTION

[0023] Referring to Figures 1 to 6 The multifunctional comprehensive load aging test system shown in the figure comprises an electric control cabinet 1 and an environmental box 2, a high voltage wire harness 3 is connected between the electric control cabinet 1 and the environmental box 2, a control panel 4 is arranged on one side of the front end of the environmental box 2, a test area 5, a refrigeration area 6 and a water storage area 7 are arranged inside the environmental box 2, a first cabinet door 8, a second cabinet door 9 and a third cabinet door 10 are sequentially arranged on the front end of the test area 5, a refrigeration area 6 and a water storage area 7, a sensor group 11 is arranged on the top of the test area 5, vertical plates 12 are arranged on both sides of the inside of the test area 5, air inlets 13 are arranged on the vertical plates 12, air outlets 14 are arranged at the rear end of the inside of the test area 5, a fan 15 is arranged inside the environmental box 2 and close to the test area 5, the input end of the fan 15 is communicated with the air inlet 13, a partition plate 16 is arranged between the two vertical plates 12, aging plates 17 are arranged on both sides of the top of the partition plate 16, an aging plate interface 18 is arranged on the rear end of the inner wall of the test area 5, a drain 19 is arranged on the bottom of the test area 5, and the drain 19 is communicated with the refrigeration area 6.

[0024] Further, a three-color lamp 20 is arranged on one side of the top of the environmental box 2.

[0025] The three-color lamp 20 is used for signal display of the environmental box 2.

[0026] Further, a communication module 21 and a leakage circuit breaker 22 are arranged on one side of the environmental box 2.

[0027] The communication module 21 and the leakage circuit breaker 22 are used to respectively realize the communication function and the leakage protection circuit breaking function of the environmental box 2.

[0028] Further, a water inlet 23 and a drain hole 24 are arranged at the rear end of the environmental box 2 and correspond to the water storage area 7.

[0029] The water inlet 23 and the drain hole 24 are used for water inlet and water outlet work of the water storage area 7.

[0030] Further, casters 25 are arranged on the four corner ends of the bottom of the electric control cabinet 1 and the environmental box 2.

[0031] The electric control cabinet 1 and the environment box 2 are moved through the foot wheels 25.

[0032] Further, the front end surface of the test area 5 is provided with a pressing 26.

[0033] Through the pressing 26, the adhesion between the test area 5 and the first cabinet door 8 can be improved.

[0034] Further, the first cabinet door 8 is provided with an observation window 27.

[0035] Through the observation window 27, the inside of the test area 5 can be observed.

[0036] In use, the environment box 2 is controlled through the electric control cabinet 1 and the high-voltage wire harness 3, the first cabinet door 8 is opened, the test area 5 can be used to test the device, the temperature of the test area 5 can be sensed through the sensor group 11, the device can be placed through the partition plate 16, the aging board 17 and the equipment are powered on through the aging board interface 18, the device can be clamped for testing through the aging boards 17 on both sides, stress tests such as high temperature, low temperature, high pressure and low pressure are simulated, various extreme conditions and working loads that the device may encounter in actual use are simulated, the fan 15 is started, the inside of the test area 5 is ventilated through the air inlet 13, the inside of the test area 5 is ventilated through the air outlet 14, the internal air circulation of the test area 5 is completed, the water in the test area 5 flows into the freezing area 6 through the drainage port 19, the environment box 2 is controlled as a whole through the control panel 4.

[0037] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement without creative labor is covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited by the protection scope defined in the claims.

Claims

1. A multifunctional integrated electrical aging test system, characterized in that: Including electric control cabinet and environment box, high voltage wire harness is connected between the electric control cabinet and the environment box, the control panel is arranged on one side of the front end of the environment box, the test area, the freezing area and the water storage area are arranged in the environment box, the first cabinet door, the second cabinet door and the third cabinet door are sequentially arranged on the front end of the test area, the freezer area and the water storage area, the sensor group is arranged on the top of the test area, the vertical plate is arranged on both sides of the test area, the air inlet is arranged on the vertical plate, the air outlet is arranged at the rear end of the test area, the fan is arranged in the environment box and close to the test area, the input end of the fan is communicated with the air inlet, the partition plate is arranged between the two vertical plates, the aging plate is arranged on both sides of the top of the partition plate, the aging plate interface is arranged on the rear end of the inner wall of the test area, the drain hole is arranged on the bottom of the test area, and the drain hole is communicated with the freezing area.

2. The multifunctional comprehensive electrical aging test system according to claim 1, characterized in that: Three-color lamp is arranged on one side of the top of the environment box.

3. The multifunctional integrated electrical aging test system of claim 1, wherein: The communication module and the leakage circuit breaker are arranged on one side of the environment box.

4. The multifunctional integrated electrical aging test system of claim 1, wherein: The water inlet hole and the drain hole are arranged at the rear end of the environment box and correspond to the water storage area.

5. The multifunctional integrated electrical aging test system of claim 1, wherein: Mechanical casters are arranged on four corners of the bottom of the electric control cabinet and the environment box.

6. The multifunctional integrated electrical aging test system of claim 1, wherein: The test area is provided with a grommet on the front end surface.

7. The multifunctional integrated electrical aging test system of claim 1, wherein: The observation window is arranged on the first cabinet door.

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