Portable IGBT (Insulated Gate Bipolar Translator) protection device
The design of a convenient IGBT protection device solves the problems of reduced insulation performance and complex maintenance of IGBTs in harsh environments, achieving efficient insulation performance improvement and simplified maintenance procedures, and is applicable to IGBTs from multiple brands.
CN121618833APending Publication Date: 2026-03-06TIANJIN TIANCHUAN ELECTRIC DRIVE CO LTD +1
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Patent Information
- Application Number
- CN202511815288.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-04
- Publication Date
- 2026-03-06
AI Technical Summary
Technical Problem
Existing IGBT protection devices suffer from reduced insulation performance in harsh environments, and their maintenance is complex, time-consuming, and labor-intensive, making them difficult to apply to IGBTs from multiple brands.
Method used
A convenient IGBT protection device is designed, which increases the creepage distance by using elastic clips and grounding bolts for limiting and fixing, and adopts a detachable protective cap and crossbeam structure to simplify the installation and disassembly process.
Benefits of technology
It improves the insulation performance of IGBTs, simplifies the maintenance process, shortens maintenance time, and improves maintenance efficiency. It is applicable to IGBTs from multiple brands.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN121618833A_ABST
Abstract
The invention provides a convenient IGBT protection device, and belongs to the field of low-voltage frequency conversion / inversion, the convenient IGBT protection device comprises an IGBT, a radiator, a first protection device and a second protection device, the first side of the IGBT is fixed through a busbar bolt and is electrically connected with a laminated busbar, the second side of the IGBT is fixed through a busbar bolt and is electrically connected with a fixed busbar, and the second side of the IGBT is electrically connected with the laminated busbar. The first side and the second side of the IGBT are fixedly connected with the radiator through grounding bolts respectively, a first protection device is installed at the position of the grounding bolt at the first side of the IGBT in a limiting mode, a second protection device is installed at the position of the grounding bolt at the second side of the IGBT in a limiting mode, and the first protection device and the second protection device can completely wrap and isolate the grounding bolts. According to the device, the creepage distance between the terminals and between the terminals and the fixing screws can be effectively increased, the insulation performance is improved, and the creepage distance between the terminals is effectively increased due to the design that the partition plates are additionally arranged between the DCP / DCN terminals. The device is convenient to install and maintain, and the maintenance and repair efficiency of the IGBT is greatly improved.
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