CN202918184U - Three-level IGBT (Insulated Gate Bipolar Translator) driving module - Google Patents
Three-level IGBT (Insulated Gate Bipolar Translator) driving module Download PDFInfo
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- CN202918184U CN202918184U CN201220530419.4U CN201220530419U CN202918184U CN 202918184 U CN202918184 U CN 202918184U CN 201220530419 U CN201220530419 U CN 201220530419U CN 202918184 U CN202918184 U CN 202918184U
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Abstract
The utility model relates to a three-level IGBT (Insulated Gate Bipolar Translator) driving module, which comprises a logic control circuit, a first power transformer, a second power transformer, four optocouplers, four power amplifying circuits and four IGBT driving terminals integrated on the same PCB (Printed Circuit Board); the first power transformer and two optocouplers are arranged into a line on the PCB to form a first safety isolation belt; the second power transformer and the other two optocouplers are arranged into another line on the PCB to form a second safety isolation belt; two power amplifying circuits and two IGBT driving terminals are arranged in a region formed by the first safety isolation belt and the edge line of the PCB; the other two power amplifying circuits and the other two IGBT driving terminals are arranged in a region formed by the second safety isolation belt and the edge line of the PCB; and the logic control circuit is arranged between the first safety isolation belt and the second safety isolation belt. The three-level IGBT (Insulated Gate Bipolar Translator) driving module is good in driving performances and low in production cost.
Description
Technical field
The utility model relates to IGBT Driving technique field, relates in particular to a kind of three level IGBT driver modules.
Background technology
IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, the compound full-control type voltage driven type power semiconductor that is formed by BJT (double pole triode) and MOS (insulating gate type field effect tube).The series of advantages such as IGBT has that driving power is little, switching speed is high, saturation pressure reduces, high pressure resistant, large electric current become the first-selected power devices such as electric device such as high power switching power supply.But the quality of IGBT runnability is subjected to the impact of drive circuit very large, such as switching loss etc.Therefore, take rational IGBT to drive design, the driveability of giving full play to IGBT is extremely important.
In the prior art, three conventional level IGBT drive design and generally take drive plate to add the design of assistive drive plate, this design cost is higher, drive the loop lead-in wire longer, the stray inductance that drives the loop is larger, and easily cause the driving oscillation circuit, thereby fragile IGBT.
The utility model content
The technical problems to be solved in the utility model is, above-mentioned three level IGBT driving design cost for prior art is higher, drive the loop lead-in wire longer, the stray inductance that drives the loop is larger, and easily cause the driving oscillation circuit, thereby the defective of fragile IGBT, a kind of three level IGBT driver modules are provided, can be so that realize the shortest electrical connection between the drive terminal of optocoupler output and IGBT, thereby effectively reduce the stray inductance that drives the loop, reduce to drive the risk of vibration, and can effectively reduce the switching loss of IGBT, reduced simultaneously cost.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of three level IGBT driver modules are provided, it is characterized in that, described three level IGBT driver modules comprise logic control circuit, the first power transformer, second source transformer, four optocouplers, four power amplification circuits and four the IGBT drive terminal that are integrated on the same pcb board, wherein:
Described logic control circuit is connected with described the first power transformer, described second source transformer and four optocouplers of being connected respectively; Described four optocouplers connect one to one with described four power amplification circuits respectively, and described four power amplification circuits connect one to one with described four IGBT drive terminal respectively; Described the first power transformer is connected with two optocouplers respectively, and described second source transformer is connected with other two optocouplers respectively;
Described the first power transformer and respectively connected two optocouplers be arranged in a line to form the first safety isolation strip at described pcb board; Described second source transformer and respectively connected in addition two optocouplers be arranged in another line to form the second safety isolation strip at described pcb board;
Two power amplification circuits that connect one to one with two optocouplers on described the first safety isolation strip respectively and two IGBT drive terminal that connect one to one with these two power amplification circuits respectively are arranged in the zone that the edge line of described the first safety isolation strip and described pcb board surrounds, in the zone that the edge line that another two power amplification circuits that connect one to one with another two optocouplers on described the second safety isolation strip respectively and another two the IGBT drive terminal that connect one to one with these another two power amplification circuits respectively are arranged in described the second safety isolation strip and described pcb board surrounds;
Described logic control circuit is arranged between described the first safety isolation strip and described the second safety isolation strip.
In three level IGBT driver modules described in the utility model, arrange side by side in described the first safety isolation strip and described the second safety isolation strip.
In three level IGBT driver modules described in the utility model, described the first power transformer is arranged between connected two optocouplers of difference, and arranges with these two optocoupler straight lines; Described second source transformer arrangement is being distinguished between connected other two optocouplers, and other arranges by two optocoupler straight lines with this.
In three level IGBT driver modules described in the utility model, described logic control circuit for generation of four the tunnel independently pwm signal drive respectively described four optocouplers, and produce separately the two-way pwm signal and drive simultaneously described the first power transformer T1 and described second source transformer T2.
In three level IGBT driver modules described in the utility model, described four optocouplers are respectively applied to drive the corresponding IGBT module that is connected with the IGBT drive terminal based on the pwm signal that receives separately by corresponding power amplification circuit.
In three level IGBT driver modules described in the utility model, described the first power transformer is used to the secondary of connected two optocouplers respectively to provide and drives required positive-negative power; Described second source transformer is used to respectively, and the connected in addition secondary of two optocouplers provides driving required positive-negative power.
Implement the technical solution of the utility model, has following technique effect: by each circuit in three level IGBT driver modules and the assistive drive module all is integrated on the same pcb board, forceful electric power signal on the pcb board and weak electric signal components and parts are separated layout, the compact in design of PCB is reasonable, connect up clear succinct, and on performance, well satisfy the safety design standard of whole driver module, can be so that realize the shortest electrical connection between the drive terminal of optocoupler output and IGBT, thereby effectively reduce the stray inductance that drives the loop, reduce to drive the risk of vibration, and can effectively reduce the switching loss of IGBT, reduce simultaneously cost.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of three level IGBT driver modules of the present utility model;
Fig. 2 is the schematic diagram of the circuit arrangement of three level IGBT driver modules of the present utility model.
Embodiment
The utility model all is integrated in each circuit in three level IGBT driver modules and the assistive drive module on the same pcb board, because this scheme of employing causes the volume limited size of PCB in supporting IGBT block size and layout designs, so require very high to safety and layout etc., in the case, the utility model is for the insulation request of the inner forceful electric power of three level driver modules and light current, article two, arrange respectively the isolation components and parts on the safety isolation strip, thereby forceful electric power signal and weak electric signal are isolated, compact in design is reasonable, connect up clear succinct, and on performance, well satisfy the safety design standard of whole driver module, can be so that realize the shortest electrical connection between the drive terminal of optocoupler output and IGBT, thereby effectively reduce the stray inductance that drives the loop, reduce to drive the risk of vibration, and can effectively reduce the switching loss of IGBT, reduce simultaneously cost.
Fig. 1 is the structural representation of three level IGBT driver modules of the present utility model.As shown in Figure 1, three level IGBT driver modules of the present utility model comprise logic control circuit 5, the first power transformer T1, second source transformer T2, four optocouplers (i.e. the first optocoupler U1 to the four optocoupler U4), four power amplification circuits (i.e. the first power amplification circuit 1 to the 4th power amplification circuit 4) and four IGBT drive terminal (i.e. an IGBT drive terminal 10 to the 4th IGBT drive terminal 40), especially, these four IGBT drive terminal are the grid source drive terminal of IGBT.Wherein, logic control circuit 5 respectively with the first power transformer T1, second source transformer T2 with are connected an optocoupler and are connected; Four optocouplers connect one to one with four power amplification circuits respectively, namely the first optocoupler U1 is connected with the first power amplification circuit 1, the second optocoupler U2 is connected with the second power amplification circuit 2, the 3rd optocoupler U3 is connected with the 3rd power amplification circuit 3, and the 4th optocoupler U4 is connected with the 4th power amplification circuit 4; Four power amplification circuits connect one to one with four IGBT drive terminal respectively, namely the first power amplification circuit 1 is connected with an IGBT drive terminal 10, the second power amplification circuit 2 is connected with the 2nd IGBT drive terminal 20, the 3rd power amplification circuit 3 is connected with the 3rd IGBT drive terminal 30, and the 4th power amplification circuit 4 is connected with the 4th IGBT drive terminal 40; The first power transformer T1 respectively with the first optocoupler U1 be connected optocoupler U2 and be connected; Second source transformer T2 is connected with the 4th optocoupler U4 with the 3rd optocoupler U3 respectively.
In the circuit working process, logic control circuit 5 receives input signal PWM-A and PWM-B signal, and by internal logic conversion with PWM-A and PWM-B two paths of signals be converted to four the tunnel independently pwm signal drive respectively four optocouplers, and logic control circuit 5 produces separately the two-way pwm signals and drives simultaneously the first power transformer T1 and second source transformer T2.Four optocouplers drive the IGBT module that is connected with the IGBT drive terminal accordingly by corresponding power amplification circuit respectively based on the pwm signal that receives separately, for example, the first optocoupler U1 drives the IGBT module (not shown) that is connected with an IGBT drive terminal 10 based on its pwm signal that receives by the first power amplification circuit 1, and the rest may be inferred.The first power transformer T1 drives required positive-negative power based on its pwm signal that receives for the secondary of the first optocoupler U1 and the second optocoupler U2 provides, second source transformer T2 drives required positive-negative power based on its pwm signal that receives for the secondary of the 3rd optocoupler U3 and the 4th optocoupler U4 provides, so that the conducting when adding positive voltage of the grid source electrode of IGBT drive terminal is turn-offed when adding negative voltage.
Fig. 2 is the schematic diagram of the circuit arrangement of three level IGBT driver modules of the present utility model.In the utility model preferred embodiment, in pcb board 200 two the safety isolation strip of having made rational planning for, i.e. the first safety isolation strip and the second safety isolation strip (dotted line shown in Figure 2), described safety isolation strip available figure line on pcb board marks, and also can not mark.These two safety isolation strip all are arranged in a line and form at pcb board by isolation components and parts such as optocoupler, power transformers, arrange the forceful electric power side signal element devices such as power amplification circuit and IGBT drive terminal in the zone that safety isolation strip and PCB edge line surround, article two, arrange the weak-feedback side of transmission line signal element devices such as logic control circuit between the safety band, forceful electric power side signal and weak-feedback side of transmission line signal are isolated by the isolation components and parts, thereby can be good at satisfying the safety design standard of whole driver module.As shown in Figure 2, be integrated with logic control circuit 5, the first power transformer T1, second source transformer T2, four optocouplers (i.e. the first optocoupler U1 to the four optocoupler U4), four power amplification circuits (i.e. the first power amplification circuit 1 to the 4th power amplification circuit 4) and four IGBT drive terminal (i.e. an IGBT drive terminal 10 to the 4th IGBT drive terminal 40) on the pcb board 200.Wherein, the first optocoupler U1, the first power transformer T1 and the second optocoupler U2 are arranged in a line forming the first safety isolation strip at pcb board, and the 3rd optocoupler U3, second source transformer T2 and the 4th optocoupler U4 are arranged in another line to form the second safety isolation strip at pcb board.Those skilled in the art can know, all also can comprise optocoupler and power transformer other isolation components and parts in addition on these two safety isolation strip.The first power amplification circuit 1, an IGBT drive terminal 10, the second power amplification circuit 2 and the 2nd IGBT drive terminal 20 are arranged in the zone that the first safety isolation strip and PCB edge line surround; The 3rd power amplification circuit 3, the 3rd IGBT drive terminal 30, the 4th power amplification circuit 4 and the 4th IGBT drive terminal 40 are arranged in the zone that the first safety isolation strip and PCB edge line surround; Logic control circuit 5 is arranged between the first safety isolation strip and the second safety isolation strip.Preferably, arrange side by side in the first safety isolation strip and the second safety isolation strip; The first power transformer T1 arranges between the first optocoupler U1 and the second optocoupler U2, and the first optocoupler U1, the first power transformer T1 and the second optocoupler U2 straight line are arranged; Second source transformer T2 arranges between the 3rd optocoupler U3 and the 4th optocoupler U4, and the 3rd optocoupler U3, second source transformer T2 and the 4th optocoupler U4 straight line are arranged, thereby have formed the safety isolation strip of two bright characteristics in layout.Circuit layout among Fig. 2 is very compact, and the protection of four road driver outputs is highly symmetrical, and can satisfy the safety standard on performance, has again good driveability and optimum cost performance.
Although the utility model describes by specific embodiment, it will be appreciated by those skilled in the art that, in the situation that do not break away from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, for particular condition or material, can make various modifications to the utility model, and not break away from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall in the utility model claim scope.
Claims (6)
1. level IGBT driver module, it is characterized in that, described three level IGBT driver modules comprise logic control circuit, the first power transformer, second source transformer, four optocouplers, four power amplification circuits and four the IGBT drive terminal that are integrated on the same pcb board, wherein:
Described logic control circuit is connected with described the first power transformer, described second source transformer and four optocouplers of being connected respectively; Described four optocouplers connect one to one with described four power amplification circuits respectively, and described four power amplification circuits connect one to one with described four IGBT drive terminal respectively; Described the first power transformer is connected with two optocouplers respectively, and described second source transformer is connected with other two optocouplers respectively;
Described the first power transformer and respectively connected two optocouplers be arranged in a line to form the first safety isolation strip at described pcb board; Described second source transformer and respectively connected in addition two optocouplers be arranged in another line to form the second safety isolation strip at described pcb board;
Two power amplification circuits that connect one to one with two optocouplers on described the first safety isolation strip respectively and two IGBT drive terminal that connect one to one with these two power amplification circuits respectively are arranged in the zone that the edge line of described the first safety isolation strip and described pcb board surrounds, in the zone that the edge line that another two power amplification circuits that connect one to one with another two optocouplers on described the second safety isolation strip respectively and another two the IGBT drive terminal that connect one to one with these another two power amplification circuits respectively are arranged in described the second safety isolation strip and described pcb board surrounds;
Described logic control circuit is arranged between described the first safety isolation strip and described the second safety isolation strip.
2. three level IGBT driver modules according to claim 1 is characterized in that, arrange side by side in described the first safety isolation strip and described the second safety isolation strip.
3. three level IGBT driver modules according to claim 1 and 2 is characterized in that, described the first power transformer is arranged between connected two optocouplers of difference, and arrange with these two optocoupler straight lines; Described second source transformer arrangement is being distinguished between connected other two optocouplers, and other arranges by two optocoupler straight lines with this.
4. three level IGBT driver modules according to claim 3, it is characterized in that, described logic control circuit for generation of four the tunnel independently pwm signal drive respectively described four optocouplers, and produce separately the two-way pwm signal and drive simultaneously described the first power transformer T1 and described second source transformer T2.
5. three level IGBT driver modules according to claim 4 is characterized in that, described four optocouplers are respectively applied to drive the corresponding IGBT module that is connected with the IGBT drive terminal based on the pwm signal that receives separately by corresponding power amplification circuit.
6. three level IGBT driver modules according to claim 5 is characterized in that, described the first power transformer is used to the secondary of connected two optocouplers respectively to provide and drives required positive-negative power; Described second source transformer is used to respectively, and the connected in addition secondary of two optocouplers provides driving required positive-negative power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220530419.4U CN202918184U (en) | 2012-10-17 | 2012-10-17 | Three-level IGBT (Insulated Gate Bipolar Translator) driving module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220530419.4U CN202918184U (en) | 2012-10-17 | 2012-10-17 | Three-level IGBT (Insulated Gate Bipolar Translator) driving module |
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| Publication Number | Publication Date |
|---|---|
| CN202918184U true CN202918184U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220530419.4U Expired - Fee Related CN202918184U (en) | 2012-10-17 | 2012-10-17 | Three-level IGBT (Insulated Gate Bipolar Translator) driving module |
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| CN (1) | CN202918184U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346664A (en) * | 2013-06-26 | 2013-10-09 | 永济新时速电机电器有限责任公司 | Novel IGBT driving device applicable to high-power electric locomotive |
| CN110365195A (en) * | 2019-06-27 | 2019-10-22 | 芜湖康爱而电气有限公司 | A kind of three level IGBT drive circuits based on QP12W05S-37 |
-
2012
- 2012-10-17 CN CN201220530419.4U patent/CN202918184U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346664A (en) * | 2013-06-26 | 2013-10-09 | 永济新时速电机电器有限责任公司 | Novel IGBT driving device applicable to high-power electric locomotive |
| CN110365195A (en) * | 2019-06-27 | 2019-10-22 | 芜湖康爱而电气有限公司 | A kind of three level IGBT drive circuits based on QP12W05S-37 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HOPEWIND ELECTRIC CO., LTD. Free format text: FORMER NAME: SHENZHEN HEWANG ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518055 Guangdong city in Shenzhen Province, Nanshan District, Xili Town Dragon Village Second Industrial Zone 5 Patentee after: SHENZHEN HOPEWIND ELECTRIC Co.,Ltd. Address before: 518055 Guangdong city in Shenzhen Province, Nanshan District, Xili Town Dragon Village Second Industrial Zone 5 Patentee before: SHENZHEN HOPEWIND ELECTRIC Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town village official Liuzhou Industrial Zone No. 5 Building second layer 1-3 Patentee after: SHENZHEN HOPEWIND ELECTRIC Co.,Ltd. Address before: 518055 Guangdong city in Shenzhen Province, Nanshan District, Xili Town Dragon Village Second Industrial Zone 5 Patentee before: SHENZHEN HOPEWIND ELECTRIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20211017 |