CN103199678A - Compact type insulated gate bipolar transistor (IGBT) module driving unit - Google Patents
Compact type insulated gate bipolar transistor (IGBT) module driving unit Download PDFInfo
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- CN103199678A CN103199678A CN2013101328339A CN201310132833A CN103199678A CN 103199678 A CN103199678 A CN 103199678A CN 2013101328339 A CN2013101328339 A CN 2013101328339A CN 201310132833 A CN201310132833 A CN 201310132833A CN 103199678 A CN103199678 A CN 103199678A
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Abstract
The invention discloses a compact type insulated gate bipolar transistor (IGBT) module driving unit. The compact type IGBT module driving unit comprises a power board, a driving core board and a driving adaptive board, wherein a control protection circuit is arranged on the driving core board, a driving circuit is arranged on the driving adaptive board, and the power board, the driving core board and the driving adaptive board are connected in sequence through a cable or connecting terminals. According to the compact type IGBT module driving unit, a power module is independently arranged, core circuits of control protection and the like of an IGBT module are placed in the driving core board, the driving circuit is placed in the adaptive board, and only a corresponding module adaptive board needs to be changed so as to correspond to IGBT modules of different manufacturers and different model numbers. The core board can be connected with module adaptive boards of various model numbers, so that the aim of being in common use is achieved. A temperature measurement circuit, an electric current measurement circuit and a control protection circuit are designed to be in the same driving core board, wherein the temperature measurement circuit, the electric current measurement circuit and the control protection circuit are arranged in a dispersed mode, so that compactibility is achieved. Optional functions such as overheating protection, short pulse suppression and weak light protection are arranged, so that flexible smart configuration is achieved.
Description
Technical field
The present invention relates to a kind of compact IGBT module drive unit, belong to the electric power system electric and electronic technical field.
Background technology
China's electric power industry development is rapid, and its demand will keep continuing, growing trend and demand size are increasing fast, and the characteristics of current China electric utility are that reliability requirement is high, practical; Economic benefit is outstanding; Energy-conservation, environmental protection, efficiently become main trend.Under such environment, the IGBT of usining has just become the favorite in market as the high-voltage and high-power power electronic product of switching device.
Current; external IGBT drives and control technology reaches its maturity, but IGBT driving and control device that external major company produces are mostly directly purchased in domestic application, and is all to utilize ready-made driving chip to realize supervision, control and protection function; logic is relatively simple, and unfailing performance is low.It is dumb that functional configuration is controlled in each protection of existing driver element, and circuit too disperses.
Summary of the invention
For the deficiencies in the prior art, the object of the invention is to, provide a kind of compact IGBT module drive unit, with densification, generalization and the intellectuality that realizes the IGBT driver element.
For solving the problems of the technologies described above; the technical solution used in the present invention is: a kind of compact IGBT module drive unit; it is characterized in that: comprise power panel, drive core board and drive adaptation board; described driving core board is provided with control protection electric circuit; described driving adaptation board is provided with drive circuit, between described power panel, driving core board and driving adaptation board, by cable or splicing ear, connects successively.
Further technical scheme is:
Described driving core board is provided with electric interfaces or optical interface, and described electric interfaces is connected with described driving adaptation board by cable or splicing ear, and described optical interface is connected with described driving adaptation board by optical cable or splicing ear.
Also be provided with the temperature survey loop of temperature in the current measurement circuit of electric current in measuring circuit and measuring circuit on described driving core board, the logic control circuit of master control set will be delivered to by the terminal connecting line cable respectively in described current measurement circuit and temperature survey loop on the current information that measure and temperature information.
Described control protection electric circuit comprises that Vce monitors module and monitors with Vce active clamp circuit, the soft turn-off circuit that module is connected, and described active clamp circuit, soft turn-off circuit andlogic control circuit respectively are connected; Described Vce monitors that module also is connected with power supply status feedback circuit, Vce state-feedback circuit, and described power supply status feedback circuit is connected with power failure short circuit CE end respectively with the Vce state-feedback circuit.
Described control protection electric circuit comprises short pulse suppression circuit and low light level protective circuit; described short pulse suppression circuit is connected with pulse transformer, logic control circuit respectively with low light level protective circuit; described pulse transformer is connected with power transformer, and described power transformer is connected with DC power supply with protective circuit by filtering.
Described short pulse suppression circuit and low light level protective circuit receive the PWM light signal, and described pulse transformer receives the PWM signal of telecommunication.
The invention has the beneficial effects as follows:
1. power module is arranged separately, the core circuits such as control protection of IGBT module are put into to the driving core board, drive circuit is put into to adaptation board, the IGBT module of corresponding different manufacturers, different model, only with changing corresponding module adaptation board, get final product, and core board can connect the module adaptation board of various models, has reached general purpose, by the universal design of optical interface and electric interfaces, strengthened its versatility;
2. by the temperature survey loop with current measurement circuit is all integrated advances to drive in core board, simplified whole system, be conducive to the realization of overtemperature protection and overcurrent protection function, also reduced the interference of external electromagnetic field to this part of measuring circuit, so both be conducive to the simplification system, stability that also can intensifier circuit has also reduced the workload of system simultaneously;
3. the temperature survey loop of dispersed placement, current measurement circuit and control protection electric circuit are designed in same driving core board, thereby realize densification; Take full advantage of the inner space of IGBT current transformer, reduced the complexity of whole IGBT current transformer control loop, be convenient to the designer and carry out system, also be conducive to the design in the inner overcurrent protection of driver element loop simultaneously;
4. the optional functions such as configuration overtemperature protection, short pulse suppression, low light level protection, power monitoring, to realize intelligence configuration flexibly
.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
For further disclosing technical scheme of the present invention, describe embodiments of the present invention in detail below in conjunction with accompanying drawing: as shown in Figure 1, a kind of compact IGBT module drive unit is divided into three parts from structural design: power panel, driving core board and module adaptation board.The power supply of whole driver element all is taken from the high voltage bus of whole major loop, then converts to and drives the core board required voltage, offers drive circuit and uses; The protection control circuit that all model IGBT are needed all is located at the driving core board; Design different module adaptation boards for the module correspondence of different model, drive circuit all is located on adaptation board, whole driver element adopts the mode of " power panel+driving core board+module adaptation board " to form, middle cable or the splicing ear of adopting connected, thereby realized unitized target.
As shown in Figure 2, also be provided with the temperature survey loop of temperature in the current measurement circuit of electric current in measuring circuit and measuring circuit on described driving core board, the logic control circuit of master control set will be delivered to by the terminal connecting line cable respectively in described current measurement circuit and temperature survey loop on the current information that measure and temperature information.Simplified whole system; be conducive to the realization of overtemperature protection and overcurrent protection function, also reduced the interference of external electromagnetic field to this part of measuring circuit, both be conducive to like this simplification system; stability that also can intensifier circuit has also reduced the workload of system simultaneously.
Also be provided with optical interface or electric interfaces on described driving core board, described electric interfaces is connected with described driving adaptation board by cable or splicing ear, and described optical interface is connected with described driving adaptation board by optical cable or splicing ear.Select optical interface or electric interfaces according to the actual conditions of environment for use, can carry out mutual control command or state information with various forms of control units flexibly, as much as possible to reach the purpose of versatility.
Described control protection electric circuit has the function of voltage protection, overcurrent protection, the straight-through protection of short circuit, overtemperature protection, short pulse suppression, low light level protection and power monitoring.
Described control protection electric circuit comprises that Vce monitors module and monitors with Vce active clamp circuit, the soft turn-off circuit that module is connected, and described active clamp circuit, soft turn-off circuit andlogic control circuit respectively are connected; Described Vce monitors that module also is connected with power supply status feedback circuit, Vce state-feedback circuit, and described power supply status feedback circuit is connected with power failure short circuit CE end respectively with the Vce state-feedback circuit.When electric circuit inspection arrives overtension, will automatically shut down IGBT by active clamp circuit; In addition, when IGBT conduction period, the shoot through phenomenon has occurred, so the current saturation phenomenon will occur, the voltage at the collector and emitter two ends of IGBT will sharply raise, and in this case, circuit will turn-off IGBT by soft turn-off circuit.
Described short pulse suppression circuit is connected with pulse transformer, logic control circuit respectively with low light level protective circuit, and described pulse transformer is connected with power transformer, and described power transformer is connected with DC power supply with protective circuit by filtering.Described short pulse suppression circuit and low light level protective circuit receive the PWM light signal, and described pulse transformer receives the PWM signal of telecommunication.When adopting light signal to trigger; due to optical fiber or optical interface breaks down or exceptional condition under; have the inadequate or abnormal width-pulse of luminous intensity and occur, the present invention adopts short pulse suppression circuit and low light level protective circuit to suppress the generation of these two kinds of anomalies.
The realization of overcurrent protection; because the electric current flow through is large not as the electric current of shoot through; in time; fully can send to turn-off to order by control unit and turn-off IGBT; so the overcurrent protection implementation of IGBT is: driver element is measured the size of electric current by current measurement module; and the logic control circuit of master control set will be delivered to by corresponding terminal connecting line cable on the current information measured; send and turn-off order by the master control set logic control circuit, turn-off the IGBT module.
The realization of overtemperature protection, mainly controlled by higher level's control unit.Owing to respect to short circuit, leading directly to the impact for Vce; the overheated major loop damage phenomenon caused wants slow a lot; how because heat radiation is uneven, to cause; therefore fully can send to turn-off to order by master control set and turn-off IGBT; so the overtemperature protection implementation of IGBT is: driver element is measured the height of temperature by temperature-measuring module; and the logic control circuit of master control set will be delivered to by corresponding terminal connecting line cable on the temperature information measured; send and turn-off order by the master control set logic control circuit, turn-off the IGBT module.
The realization of power monitoring function is mainly to realize by the supervision to three road output voltages.When a road or multiple power supplies voltage abnormal, pass through feedback loop, logic control circuit will be delivered on abnormal information, send corresponding order by logic control circuit and process unusual condition, when circuit in start-up course, because the voltage in each loop is not likely also set up, at this moment in circuit ± 15V and+the 5V signal is all likely in the abnormal work state, this patent is between secondary side power unit and control logic, be provided with the electric voltage exception exclusive circuit, under the condition that does not also have to set up at voltage, forbid abnormal signal and Voltage-output, guaranteed that controlled IGBT module can be not damaged under exceptional condition, in the system power failure process, be also by the electric voltage exception exclusive circuit in the secondary side power unit equally, come the abnormal signal of locking and Voltage-output, also having normally in service, if electric voltage exception appears in circuit, is also can the relevant output of locking.In a word, by unique power monitoring function, guarantee that whole driver element is no matter under normal or abnormal condition of work, all can be normally, stable and work reliably.
More than, by description of listed embodiment, the basic ideas and basic principles of the present invention have been set forth.But the present invention never is limited to above-mentioned listed execution mode, every equivalent variations of doing based on technical scheme of the present invention, improvement and the deliberately of inferior quality behavior of change, all should belong to protection scope of the present invention.
Claims (6)
1. a compact IGBT module drive unit; it is characterized in that: comprise power panel, drive core board and drive adaptation board; described driving core board is provided with control protection electric circuit; described driving adaptation board is provided with drive circuit, between described power panel, driving core board and driving adaptation board, by cable or splicing ear, connects successively.
2. a kind of compact IGBT module drive according to claim 1 unit, it is characterized in that: described driving core board is provided with electric interfaces or optical interface, described electric interfaces is connected with described driving adaptation board by cable or splicing ear, and described optical interface is connected with described driving adaptation board by optical cable or splicing ear.
3. a kind of compact IGBT module drive according to claim 1 unit, it is characterized in that: also be provided with the temperature survey loop of temperature in the current measurement circuit of electric current in measuring circuit and measuring circuit on described driving core board, the logic control circuit of master control set will be delivered to by the terminal connecting line cable respectively in described current measurement circuit and temperature survey loop on the current information that measure and temperature information.
4. a kind of compact IGBT module drive according to claim 1 unit, it is characterized in that: described control protection electric circuit comprises that Vce monitors module and monitors with Vce active clamp circuit, the soft turn-off circuit that module is connected, and described active clamp circuit, soft turn-off circuit andlogic control circuit respectively are connected; Described Vce monitors that module also is connected with power supply status feedback circuit, Vce state-feedback circuit, and described power supply status feedback circuit is connected with power failure short circuit CE end respectively with the Vce state-feedback circuit.
5. a kind of compact IGBT module drive according to claim 1 unit; it is characterized in that: described control protection electric circuit comprises short pulse suppression circuit and low light level protective circuit; described short pulse suppression circuit is connected with pulse transformer, logic control circuit respectively with low light level protective circuit; described pulse transformer is connected with power transformer, and described power transformer is connected with DC power supply with protective circuit by filtering.
6. a kind of compact IGBT module drive according to claim 5 unit, is characterized in that: described short pulse suppression circuit and low light level protective circuit reception PWM light signal, the described pulse transformer reception PWM signal of telecommunication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310132833.9A CN103199678B (en) | 2013-04-17 | 2013-04-17 | Compact type insulated gate bipolar transistor (IGBT) module driving unit |
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| CN201310132833.9A CN103199678B (en) | 2013-04-17 | 2013-04-17 | Compact type insulated gate bipolar transistor (IGBT) module driving unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595227A (en) * | 2013-11-20 | 2014-02-19 | 西安永电电气有限责任公司 | Intelligent power module |
| CN103944372A (en) * | 2014-04-11 | 2014-07-23 | 广东明阳龙源电力电子有限公司 | IGBT driving protection circuit |
| CN104467754A (en) * | 2014-12-23 | 2015-03-25 | 安徽大学 | MOSFET driver with short pulse suppressing function |
| CN107508469A (en) * | 2017-09-28 | 2017-12-22 | 中车大连机车研究所有限公司 | A kind of mesohigh IGBT universal intelligent driving plates |
| CN107863951A (en) * | 2017-12-19 | 2018-03-30 | 宁波欧罗巴焊割科技有限公司 | A kind of IGBT |
| WO2019085984A1 (en) * | 2017-11-02 | 2019-05-09 | 中车株洲电力机车研究所有限公司 | Parallel drive circuit for power semiconductor device |
| CN109787454A (en) * | 2017-11-13 | 2019-05-21 | 中车株洲电力机车研究所有限公司 | A kind of high-power IGBT driver and its creation method |
| CN111751692A (en) * | 2019-03-26 | 2020-10-09 | 维谛技术有限公司 | Direct connection detection and protection method and device of IGBT |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595227A (en) * | 2013-11-20 | 2014-02-19 | 西安永电电气有限责任公司 | Intelligent power module |
| CN103944372A (en) * | 2014-04-11 | 2014-07-23 | 广东明阳龙源电力电子有限公司 | IGBT driving protection circuit |
| CN103944372B (en) * | 2014-04-11 | 2016-06-15 | 广东明阳龙源电力电子有限公司 | A kind of IGBT Drive Protecting Circuit |
| CN104467754A (en) * | 2014-12-23 | 2015-03-25 | 安徽大学 | MOSFET driver with short pulse suppressing function |
| CN107508469A (en) * | 2017-09-28 | 2017-12-22 | 中车大连机车研究所有限公司 | A kind of mesohigh IGBT universal intelligent driving plates |
| CN107508469B (en) * | 2017-09-28 | 2024-01-16 | 中车大连机车研究所有限公司 | General intelligent drive board of medium-high voltage IGBT |
| WO2019085984A1 (en) * | 2017-11-02 | 2019-05-09 | 中车株洲电力机车研究所有限公司 | Parallel drive circuit for power semiconductor device |
| CN109787454A (en) * | 2017-11-13 | 2019-05-21 | 中车株洲电力机车研究所有限公司 | A kind of high-power IGBT driver and its creation method |
| CN107863951A (en) * | 2017-12-19 | 2018-03-30 | 宁波欧罗巴焊割科技有限公司 | A kind of IGBT |
| CN107863951B (en) * | 2017-12-19 | 2023-07-04 | 宁波欧罗巴科技有限公司 | IGBT (insulated Gate Bipolar transistor) |
| CN111751692A (en) * | 2019-03-26 | 2020-10-09 | 维谛技术有限公司 | Direct connection detection and protection method and device of IGBT |
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| Publication number | Publication date |
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| CN103199678B (en) | 2015-05-20 |
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Effective date of registration: 20181123 Address after: 211100 No. 19 Chengxin Avenue, Jiangning District, Nanjing, Jiangsu. Co-patentee after: ANHUI NARI JIYUAN POWER GRID TECHNOLOGY CO., LTD. Patentee after: NARI Technology Development Co., Ltd. Address before: 210061 No. 20 Hi-tech Road, Nanjing Hi-tech Development Zone, Jiangsu Province Patentee before: NARI Technology Development Co., Ltd. |
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