CN112067965A - IGBT module health state monitoring system capable of predicting service life - Google Patents
IGBT module health state monitoring system capable of predicting service life Download PDFInfo
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- CN112067965A CN112067965A CN202010968865.2A CN202010968865A CN112067965A CN 112067965 A CN112067965 A CN 112067965A CN 202010968865 A CN202010968865 A CN 202010968865A CN 112067965 A CN112067965 A CN 112067965A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
- G01R31/2608—Circuits therefor for testing bipolar transistors
- G01R31/2619—Circuits therefor for testing bipolar transistors for measuring thermal properties thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2642—Testing semiconductor operation lifetime or reliability, e.g. by accelerated life tests
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model provides a IGBT module health status monitoring system that can carry out life-span prediction, belongs to IGBT monitoring technology field, including wiring bottom plate, IGBT module, temperature probe, monitoring module, display screen, instruction color lamp, its characterized in that: the utility model discloses a temperature monitoring device for the electric vehicle, including wiring bottom plate, display module, connecting bottom plate, top surface, the last top surface of wiring bottom plate front edge evenly distributed fixedly connected with a plurality of IGBT module, wiring bottom plate outside and every the inside each cartridge of IGBT module has temperature probe, wiring bottom plate upper end surface back edge middle fixedly connected with monitoring module, wiring bottom plate upper end surface back edge right side fixedly connected with display module, the last top surface middle of display module is connected with the display screen, display module back top surface evenly distributed is connected with three instruction color lamps, and the staff can monitor the temperature in time with electric shutdown on the IGBT module at any time to protection device can stop electric operating time for the staff.
Description
The technical field is as follows:
the invention belongs to the technical field of IBGT monitoring apparatus, and particularly relates to an IGBT module health state monitoring system capable of predicting the service life.
Background art:
in long-term work practice, the staff is at long-time use IGBT module in-process, and protection device directly carries out the power-off protection with the IGBT module when current IGBT module monitoring to burn out electrical short circuit very easily when IGBT module protection device cuts off the power supply suddenly, inconvenient staff's operation and use and reduction work efficiency.
The invention content is as follows:
the purpose of the invention is: in order to solve the staff and use the IGBT module in-process for a long time, the staff can monitor the temperature on the IGBT module at any time and in time with electric shutdown to protection device can stop electric operation time for the staff, makes things convenient for the staff to operate and use and improves work efficiency, and its technical scheme is as follows:
the utility model provides a can carry out life prediction's IGBT module health status monitoring system, it includes wiring bottom plate 1, IGBT module 2, temperature probe 3, monitoring module 4, display module 5, display screen 6, instruction color lamp 7, its characterized in that: a plurality of IGBT modules 2 are evenly distributed and fixedly connected at the front edge of the top end surface of the wiring bottom plate 1, a temperature probe 3 is inserted in each IGBT module 2, a monitoring module 4 is fixedly connected at the middle of the rear edge of the top end surface of the wiring bottom plate 1, a display module 5 is fixedly connected at the right side of the rear edge of the top end surface of the wiring bottom plate 1, a display screen 6 is connected at the middle of the top end surface of the display module 5, three indicating colored lamps 7 are evenly distributed and connected at the rear top end surface of the display module 5, the temperature of the monitoring module 4 is set from 55 degrees to 120 degrees, 55 degrees to 140 degrees and 55 degrees to 120 degrees from left to right, the colors of the indicating colored lamps 7 are respectively green, yellow and red, the temperature is less than 55 degrees, the indicating colored lamps 7 are bright green, the temperature is 55 degrees to 100 degrees, the indicating colored lamps 7, the red indicating colored lamps 7 are bright at 100-120 degrees and 100-140 degrees, the display screen 6 is three screens, and the three screens respectively display the temperature of each IGBT module 2.
The invention has the beneficial effects that: in order to solve the problem that in the process of using the IGBT module for a long time by a worker, the worker can monitor the temperature on the IGBT module at any time and timely stop the operation of electricity, the protection device can stop the operation time of the electricity for the worker, and the operation and the use of the worker are facilitated, and the working efficiency is improved.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
The specific implementation mode is as follows:
referring to fig. 1, the IGBT module health status monitoring system capable of predicting the service life includes a wiring substrate 1, an IGBT module 2, a temperature probe 3, a monitoring module 4, a display module 5, a display screen 6, and an indication colored lamp 7, and is characterized in that: a plurality of IGBT modules 2 are evenly distributed and fixedly connected at the front edge of the top end surface of the wiring bottom plate 1, a temperature probe 3 is inserted in each IGBT module 2, a monitoring module 4 is fixedly connected at the middle of the rear edge of the top end surface of the wiring bottom plate 1, a display module 5 is fixedly connected at the right side of the rear edge of the top end surface of the wiring bottom plate 1, a display screen 6 is connected at the middle of the top end surface of the display module 5, three indicating colored lamps 7 are evenly distributed and connected at the rear top end surface of the display module 5, the temperature of the monitoring module 4 is set from 55 degrees to 120 degrees, 55 degrees to 140 degrees and 55 degrees to 120 degrees from left to right, the colors of the indicating colored lamps 7 are respectively green, yellow and red, the temperature is less than 55 degrees, the indicating colored lamps 7 are bright green, the temperature is 55 degrees to 100 degrees, the indicating colored lamps 7, the indication colored lamp 7 is bright red at 100-120 degrees and 100-140 degrees, the display screen 6 respectively displays the temperature of each IGBT module 2, the display screen 6 is three screens, and the three screens respectively display the temperature of each IGBT module 2.
When the temperature monitoring device is used, the IGBT modules 2 are burnt out when the temperature is 155 degrees, the IGBT modules 2 are electrified to generate heat, so the temperature is monitored through the temperature probes 3, then the temperature probes 3 transmit the monitored temperature signals to the monitoring module 4, then the processing is carried out according to the existing program in the monitoring module 4, when the monitoring module 4 monitors that the temperature of all the IGBT modules 2 is below 55 degrees, green lamps on the indicating colored lamps 7 on the display module 5 are turned on, when the monitoring module 4 monitors that the temperature of the middle two IGBT modules 2 is 55 degrees to 140 degrees, yellow lamps on the indicating colored lamps 7 are turned on, when the monitoring module 4 monitors that the temperature of the middle two IGBT modules 2 is 55 degrees to 120 degrees, yellow lamps on the indicating colored lamps 7 are turned on, when the monitoring module 4 monitors that the temperature of the middle two IGBT modules 2 is higher than 140 degrees and the temperature of the IGBT modules 2 on the two sides is higher than 120 degrees, red lamps on the indicating, because radiator fan is edge before connecting bottom plate 1 lower surface, the IGBT module 2 that makes two IGBT modules 2 in the middle of the department lower the temperature drop faster both sides lower the temperature slower, and the staff closes the electrical apparatus that will connect after the red light lights and cuts off the power supply and can place the electrical apparatus and cut off the power supply suddenly and damage at last.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a IGBT module health status monitoring system that can carry out life-span prediction, includes wiring bottom plate (1), IGBT module (2), temperature probe (3), monitoring module (4), display module (5), display screen (6), instruction color lamp (7), its characterized in that: the utility model discloses a wiring bottom plate, including wiring bottom plate (1), top surface, fixed connection, wiring bottom plate (1) and top surface, the even distribution fixedly connected with a plurality of IGBT module (2) of edge before the top surface, every IGBT module (2) inside each cartridge has temperature probe (3), wiring bottom plate (1) is gone up the middle fixedly connected with monitoring module (4) of department of top surface rear edge, wiring bottom plate (1) is gone up top surface rear edge right side department fixedly connected with display module (5), top surface middle department is connected with display screen (6) on display module (5), top surface evenly distributed is connected with three instruction color lamp (7) behind display module (5).
2. The IGBT module health monitoring system capable of life prediction according to claim 1, wherein: the temperature of the monitoring module (4) is set to be 55-120 degrees, 55-140 degrees and 55-120 degrees from left to right.
3. The IGBT module health monitoring system capable of life prediction according to claim 1, wherein: the color of the indicating colored lamp (7) is green, yellow and red respectively.
4. The IGBT module health monitoring system capable of life prediction as defined in claim 3, wherein: the temperature is less than 55 degrees, the green indicating color lamp (7) is lighted, 55 degrees to 100 degrees, the yellow indicating color lamp (7) is lighted, and 100 degrees to 120 degrees and 100 degrees to 140 degrees, the red indicating color lamp (7) is lighted.
5. The IGBT module health monitoring system capable of life prediction according to claim 1, wherein: the display screen (6) is three screens, and the three screens respectively display the temperature of each IGBT module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968865.2A CN112067965A (en) | 2020-09-15 | 2020-09-15 | IGBT module health state monitoring system capable of predicting service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968865.2A CN112067965A (en) | 2020-09-15 | 2020-09-15 | IGBT module health state monitoring system capable of predicting service life |
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| Publication Number | Publication Date |
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| CN112067965A true CN112067965A (en) | 2020-12-11 |
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| CN202010968865.2A Pending CN112067965A (en) | 2020-09-15 | 2020-09-15 | IGBT module health state monitoring system capable of predicting service life |
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Citations (13)
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| CN109946576A (en) * | 2019-01-17 | 2019-06-28 | 西安工程大学 | A kind of service life method for early warning of driver IGBT module |
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| CN110514978A (en) * | 2019-08-13 | 2019-11-29 | 中铁第一勘察设计院集团有限公司 | Compensated current transformer reliability on-line monitoring method |
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2020
- 2020-09-15 CN CN202010968865.2A patent/CN112067965A/en active Pending
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| CN111398766A (en) * | 2020-04-13 | 2020-07-10 | 武汉大学 | IGBT module health state online monitoring method and system |
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Application publication date: 20201211 |
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