CN203301355U - Novel IGBT driving device suitable for high-power electric locomotive - Google Patents
Novel IGBT driving device suitable for high-power electric locomotive Download PDFInfo
- Publication number
- CN203301355U CN203301355U CN201320368864XU CN201320368864U CN203301355U CN 203301355 U CN203301355 U CN 203301355U CN 201320368864X U CN201320368864X U CN 201320368864XU CN 201320368864 U CN201320368864 U CN 201320368864U CN 203301355 U CN203301355 U CN 203301355U
- Authority
- CN
- China
- Prior art keywords
- optocoupler
- driving device
- electric locomotive
- igbt driving
- core connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Power Conversion In General (AREA)
Abstract
The utility model relates to the IGBT technology, in particular to a novel IGBT driving device suitable for a high-power electric locomotive. The novel IGBT driving device solves the problems than the existing IGBT driving device is low in isolation voltage grade, low in driving power and lack of overvoltage protection and short circuit protection functions. The novel IGBT driving device suitable for the high-power electric locomotive comprises an 18-core connector, an isolation transformer, an optocoupler, a 6-core connector, and a substrate, wherein an output end of the 18-core connector is connected with a primary coil of the isolation transformer; a secondary coil of the isolation transformer is connected with an input end of the optocoupler; an output end of the optocoupler is connected with an input end of the 6-core connector; and the 18-core connector, the isolation transformer, the optocoupler and the 6-core connector are mounted on the substrate. The IGBT driving device is suitable for the output control of AC motors of electric locomotives and electric vehicles.
Description
Technical field
The utility model relates to the IGBT technology, specifically a kind of New IGBT drive unit that is applicable to the high-power electric locomotive.
Background technology
IGBT(Insulated Gate Bipolar Transistor, the insulated gate bipolar transistor npn npn) by the BJT(double pole triode) and the MOS(insulating gate type field effect tube) the compound full-control type voltage driven type power semiconductor that forms, it has the advantage of low conduction voltage drop two aspects of the high input impedance of MOSFET and GTR concurrently, thereby its output that is widely used in the alternating current motor of electric locomotive, motor vehicle is controlled.In the application of IGBT, the IGBT drive unit is mainly used in driving IGBT, to guarantee the normal operation of IGBT.Under the prior art condition, the IGBT drive unit is because self structure is limit, and the following problem of ubiquity: one, the lower grade of isolation voltage between the high-low circuit of existing IGBT drive unit, causes thus the safety in utilization of IGBT poor.Its two, the driving power of existing IGBT drive unit is lower, causes thus the use very flexible of IGBT.Its three, existing IGBT drive unit lacks overvoltage protection and short-circuit protection function, causes thus the useful life of IGBT short, poor reliability.Based on this, be necessary to invent a kind of brand-new IGBT drive unit, existing IGBT drive unit isolation voltage grade is low, driving power is low and lack overvoltage protection and the problem of short-circuit protection function to solve.
Summary of the invention
Existing IGBT drive unit isolation voltage grade is low, driving power is low and lack overvoltage protection and the problem of short-circuit protection function, and a kind of New IGBT drive unit that is applicable to the high-power electric locomotive is provided in order to solve for the utility model.
The utility model is to adopt following technical scheme to realize: be applicable to the New IGBT drive unit of high-power electric locomotive, comprise 18 core connectors, isolating transformer, optocoupler, 6 core connector and substrates; Wherein, the output of 18 core connectors is connected with the primary coil of isolating transformer; The secondary coil of isolating transformer is connected with the input of optocoupler; The output of optocoupler is connected with the input of 6 core connectors; 18 core connectors, isolating transformer, optocoupler, 6 core connectors all are installed on substrate.
During work, the input of 18 core connectors is connected with the outer low pressure connector, and the output of 6 core connectors is connected with exterior I GBT configuration wiring board.The specific works process is as follows: the PWM that 18 core connectors receive from the outer low pressure connector drives signal, and PWM is driven signal is sent to isolating transformer.Isolating transformer drives signal to the PWM that receives isolates, and the driving of the PWM after isolating signal is sent to optocoupler.Optocoupler drives signal to the PWM that receives and carries out conversion, and the PWM after with conversion drives signal and is sent to exterior I GBT configuration wiring board by 6 core connectors.Based on said process, compare with existing IGBT drive unit, the New IGBT drive unit that is applicable to the high-power electric locomotive described in the utility model possesses following advantage: one, the New IGBT drive unit that is applicable to the high-power electric locomotive described in the utility model adopts isolating transformer to isolate PWM driving signal, effectively improve thus the isolation voltage grade between its high-low circuit, thereby effectively strengthened the safety in utilization of IGBT.Its two, the New IGBT drive unit that is applicable to the high-power electric locomotive described in the utility model adopts optocoupler to drive signal to PWM to carry out conversion, effectively improved thus driving power, thereby effectively strengthened the use flexibility of IGBT.They are three years old; the New IGBT drive unit that is applicable to the high-power electric locomotive described in the utility model adopts isolating transformer to isolate PWM driving signal; and adopt optocoupler to drive signal to PWM and carry out conversion; possessed thus overvoltage protection and short-circuit protection function, thereby effectively extended the useful life of IGBT, effectively strengthened the reliability of IGBT.In sum; the New IGBT drive unit that is applicable to the high-power electric locomotive described in the utility model is by adopting brand new, efficiently solves that existing IGBT drive unit isolation voltage grade is low, driving power is low and lack overvoltage protection and the problem of short-circuit protection function.
The utility model efficiently solves that existing IGBT drive unit isolation voltage grade is low, driving power is low and lack overvoltage protection and the problem of short-circuit protection function; the output that is applicable to the alternating current motor of electric locomotive, motor vehicle is controlled, and the output that is particularly useful for the alternating current motor of high-power electric locomotive is controlled.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1-18 core connector, 2-isolating transformer, 3-optocoupler, 4-6 core connector, 5-substrate.
Embodiment
Be applicable to the New IGBT drive unit of high-power electric locomotive, comprise 18 core connectors 1, isolating transformer 2, optocoupler 3,6 core connectors 4 and substrate 5; Wherein, the output of 18 core connectors 1 is connected with the primary coil of isolating transformer 2; The secondary coil of isolating transformer 2 is connected with the input of optocoupler 3; The output of optocoupler 3 is connected with the input of 6 core connectors 4; 18 core connectors 1, isolating transformer 2, optocoupler 3,6 core connectors 4 all are installed on substrate 5.
Claims (1)
1. a New IGBT drive unit that is applicable to the high-power electric locomotive, is characterized in that: comprise 18 core connectors (1), isolating transformer (2), optocoupler (3), 6 core connectors (4) and substrate (5); Wherein, the output of 18 core connectors (1) is connected with the primary coil of isolating transformer (2); The secondary coil of isolating transformer (2) is connected with the input of optocoupler (3); The output of optocoupler (3) is connected with the input of 6 core connectors (4); 18 core connectors (1), isolating transformer (2), optocoupler (3), 6 core connectors (4) all are installed on substrate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320368864XU CN203301355U (en) | 2013-06-26 | 2013-06-26 | Novel IGBT driving device suitable for high-power electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320368864XU CN203301355U (en) | 2013-06-26 | 2013-06-26 | Novel IGBT driving device suitable for high-power electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301355U true CN203301355U (en) | 2013-11-20 |
Family
ID=49577337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320368864XU Expired - Fee Related CN203301355U (en) | 2013-06-26 | 2013-06-26 | Novel IGBT driving device suitable for high-power electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301355U (en) |
-
2013
- 2013-06-26 CN CN201320368864XU patent/CN203301355U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102611413B (en) | Insulated gate bipolar translator (IGBT) series connection type high-voltage pulse generator | |
| CN103227628B (en) | IGBT (Insulated Gate Bipolar Transistor) drive module for electric automobile | |
| CN103546020B (en) | High pressure IGBT drives and protection circuit | |
| CN103595225A (en) | IGBT driving circuit of converter for electric locomotive | |
| CN102082563B (en) | IGBT (insulated gate bipolar transistor) driver, signal processing method, motor control system and vehicle | |
| CN203608076U (en) | A high voltage IGVT driving and protection circuit | |
| CN102427353A (en) | Insulated gate bipolar transistor (IGBT) series valve trigger monitoring system and communication method thereof | |
| CN202455328U (en) | Novel drive circuit module of MOS (Metal Oxide Semiconductor) and IGBT (Insulated Gate Bipolar Translator) switching devices | |
| CN203301355U (en) | Novel IGBT driving device suitable for high-power electric locomotive | |
| CN104627018A (en) | Electric automobile motor control system | |
| CN202307406U (en) | DC bidirectionally driven electromagnet | |
| CN203339970U (en) | Novel IGBT configuration circuit board device suitable for large power electrical locomotive | |
| CN207124573U (en) | A kind of highly reliable interpolation type Permanent Magnet Synchronous Motor Controller of low cost | |
| CN103001620A (en) | Gate-modified IGBT (insulated gate bipolar transistor) driving circuit | |
| CN103346664A (en) | Novel IGBT driving device applicable to high-power electric locomotive | |
| CN203289336U (en) | Novel-type IGBT device applicable to high-power electric locomotive | |
| CN204668926U (en) | A kind of IGBT drives and protective circuit | |
| CN2930055Y (en) | 400HZ medium frequency uninterrupted power source | |
| CN103337970A (en) | Novel IGBT configuration circuit board device applicable to high-power electric locomotive | |
| CN103346680A (en) | Novel IGBT device applicable to high-power electric locomotive | |
| CN204131386U (en) | A kind of IGBT buffer circuit mounting structure | |
| CN203377852U (en) | IGBT drive circuit | |
| CN104539199A (en) | Driving module of permanent magnet brushless direct current motor | |
| CN204304766U (en) | Frequency converter | |
| CN203553045U (en) | Relay control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160722 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20190626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |