CN206412927U - A kind of IGBT driving power supplies circuit - Google Patents
A kind of IGBT driving power supplies circuit Download PDFInfo
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- CN206412927U CN206412927U CN201720107988.0U CN201720107988U CN206412927U CN 206412927 U CN206412927 U CN 206412927U CN 201720107988 U CN201720107988 U CN 201720107988U CN 206412927 U CN206412927 U CN 206412927U
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Abstract
The utility model provides a kind of IGBT driving power supplies circuit, including input circuit, transformer, filtering output circuit and feedback circuit, the input circuit is connected with the primary of the transformer, the secondary input with the filtering output circuit of the transformer is connected, the output end of feedback circuit one end connection filtering output circuit, the other end connects the input of the input circuit, and the filtering output circuit includes the first branch circuit, the second branch circuit, the 3rd branch circuit and the 4th branch circuit being connected respectively with the transformer secondary output.The utility model has the advantages that long lifespan, small volume, stability is strong, temperature-resistance characteristic is high.
Description
Technical field
The utility model belongs to field of power electronics, and in particular to a kind of IGBT driving power supplies circuit.
Background technology
At present, IGBT be it is a kind of with MOS come the novel power transistor of controlling transistor, with voltage is high, electric current is big,
The features such as frequency is high, conducting resistance is small, is widely used in the inverter circuit of frequency converter.But due to IGBT characteristic, use
Environment will damage it once appearance is unexpected.For that purpose it is necessary to take relevant design to carry out related protection to IGBT.
Patent IGBT driving power supply circuit (application numbers：CN201620008619.1), including：Input filter circuit, power
Translation circuit, transformer, power supply circuit, pulse width modulator, photoelectric isolating circuit, sampling amplification circuit, the first rectifying and wave-filtering electricity
Road, the second current rectifying and wave filtering circuit and voltage-stabilizing output circuit.The input filter circuit, power conversion circuit and transformer are gone here and there successively
Connection, the output end of transformer is divided into two-way, is connected to the first output of output positive voltage via the first current rectifying and wave filtering circuit all the way
End and shared earth terminal, another road successively via the second current rectifying and wave filtering circuit and voltage-stabilizing output circuit be connected to shared earth terminal and
Export the second output end of negative voltage；Power supply circuit one end is connected to DC supply input positive pole, and one end is connected to pulsewidth tune
Device processed, the output end of pulse width modulator is connected to power conversion circuit and carrys out driving power translation circuit with output pulse signal.This
The positive-negative power of utility model output is set altogether, and circuit is simple, and voltage and current adjustment degree is good, and output is stable, and reliability is high.
And in electric vehicle controller IGBT driving power supplies, its output capacitance uses electrochemical capacitor, and the resistance to environment of electrochemical capacitor
Temperature is relatively low, and volume is larger, and shock resistance is poor, and the life-span is shorter, but the environment temperature of electric vehicle controller actual use
Degree is higher, and vibration condition is very harsh, it is desirable to last a long time, it is clear that current electrochemical capacitor can not meet the demand of product.
Therefore it is badly in need of wanting the IGBT driving power supply circuits that a kind of long lifespan, small volume, stability are strong, temperature-resistance characteristic is high.
Utility model content
The purpose of this utility model is to provide in a kind of IGBT driving power supplies shop, with solve the resistance to environment temperature of prior art compared with
The problem of low, volume is larger, shock resistance is poor, the life-span is shorter.
The utility model provides following technical scheme：
A kind of IGBT driving power supplies circuit, including input circuit, transformer, filtering output circuit and feedback circuit, it is described
Input circuit is connected with the primary of the transformer, and the secondary input with the filtering output circuit of the transformer connects
Connect, the output end of feedback circuit one end connection filtering output circuit, the other end connects the input of the input circuit
End, the first branch circuit that the filtering output circuit includes being connected with the transformer secondary output respectively, the second branch circuit, the
Three branch circuits and the 4th branch circuit.
It is preferred that, first branch circuit includes diode D1, resistance R1, breakdown diode D2, electric capacity C1, electric capacity
C2, electric capacity C3, electric capacity C4 and electric capacity C5；Diode D1 positive pole is connected with described transformer secondary output one end, negative pole and electric capacity C1
One end connection；Diode D1 negative pole is connected with resistance R1, electric capacity C2, electric capacity C5 respectively；The resistance R1 that is serially connected, puncture
Diode D2 is in parallel with the electric capacity C2 being serially connected, electric capacity C3 and the electric capacity C5 being serially connected, electric capacity C4, and integrally with electric capacity C1
It is in parallel；The electric capacity C1 other end is connected with breakdown diode D2, electric capacity C3, electric capacity C4 and the transformer secondary output other end；
It is preferred that, second branch circuit includes diode D3, resistance R2, breakdown diode D4, electric capacity C22, electric capacity
C6, electric capacity C7, electric capacity C8 and electric capacity C9；Diode D3 positive pole is connected with described transformer secondary output one end, negative pole and electric capacity C22
One end connection；Diode D3 negative pole is connected with resistance R2, electric capacity C6, electric capacity C8 respectively；The resistance R2 that is serially connected, puncture
Diode D4 is in parallel with the electric capacity C6 being serially connected, electric capacity C7 and the electric capacity C8 being serially connected, electric capacity C9, and integrally and electric capacity
C22 is in parallel；The electric capacity C22 other end connects with breakdown diode D4, electric capacity C7, electric capacity C9 and the transformer secondary output other end
Connect；
It is preferred that, the 3rd branch circuit includes diode D5, resistance R3, breakdown diode D6, electric capacity C23, electric capacity
C10, electric capacity C11, electric capacity C12 and electric capacity C13；Diode D5 positive pole is connected with described transformer secondary output one end, negative pole with electricity
Hold C23 one end connection；Diode D5 negative pole is connected with resistance R3, electric capacity C10, electric capacity C12 respectively；The resistance being serially connected
R3, breakdown diode D6 and the electric capacity C10 being serially connected, electric capacity C11 and the electric capacity C12 being serially connected are in parallel with electric capacity C13, and
It is overall in parallel with electric capacity C23；The electric capacity C23 other end and breakdown diode D6, electric capacity C11, electric capacity C13 and the transformer time
Level other end connection；
It is preferred that, the 4th branch circuit includes diode D7, resistance R4, breakdown diode D8, electric capacity C24, electric capacity
C14, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18, electric capacity C19, electric capacity C20 and electric capacity C21；Diode D7 positive pole with
One end of transformer secondary output one end connection, negative pole and electric capacity C24 is connected；Diode D7 negative pole respectively with resistance R4, electricity
Hold C14, electric capacity C16, electric capacity C18, electric capacity C20 connections；Resistance R4, the breakdown diode D8 being serially connected and the electricity being serially connected
Hold C14, electric capacity C15 and the electric capacity C16, the electric capacity C17 that are serially connected and the electric capacity C18, electric capacity C19 and the phase that are serially connected
Electric capacity C20, the electric capacity C21 mutually connected is in parallel and integrally in parallel with electric capacity C24；The electric capacity C24 other end and breakdown diode
D8, electric capacity C15, electric capacity C17, electric capacity C19, electric capacity C21 and transformer secondary output other end connection；
It is preferred that, the electric capacity in the filtering output circuit uses some ceramic paster electric capacity, some ceramic pasters
Electric capacity is in parallel, is conducive to lifting the stability of electric power output voltage, lifting circuit vibration resistance and temperature-resistance characteristic；
It is preferred that, the filtering output circuit at least includes four branch circuits, can be suitably used for a variety of occasions.
The beneficial effects of the utility model are：
1st, at least four branch circuits are used in filtering output circuit, had a wide range of application；
2nd, in parallel using ceramic paster electric capacity, circuit output voltage stability is high；
3rd, the overall vibration resistance of the utility model is strong, temperature-resistance characteristic is high.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the present invention together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the utility model circuit details figure；
Fig. 2 is whole driving power supply circuit diagram；
Embodiment
As shown in figure 1, a kind of IGBT driving power supplies circuit, including input circuit, transformer, filtering output circuit and feedback
The primary connection of circuit, input circuit and transformer, the secondary of transformer is connected with filtering output circuit, and feedback circuit one end connects
Connect filtering output circuit output end, other end connection input circuit input.Filtering output circuit at least includes four branch's electricity
Road, specifically, filtering output circuit includes the first branch circuit, the second branch circuit, the 3rd branch circuit and the 4th branch electricity
Road.
As depicted in figs. 1 and 2, the first branch circuit includes diode D1, resistance R1, breakdown diode D2, electric capacity C1, electricity
Hold C2, electric capacity C3, electric capacity C4 and electric capacity C5；Diode D1 positive pole is connected with transformer secondary output one end, negative pole and electric capacity C1
One end is connected；Diode D1 negative pole is connected with resistance R1, electric capacity C2, electric capacity C5 simultaneously；Resistance R1 and breakdown diode D2's
Negative pole is connected as one group, and electric capacity C2 is connected with electric capacity C3 as one group, and electric capacity C5 is connected with electric capacity C4 as one group, described three
Group circuit in parallel, and it is integrally in parallel with electric capacity C1；The electric capacity C1 other end and breakdown diode D2 positive pole, electric capacity C3, electric capacity
C4 and the connection of the transformer secondary output other end.Second branch circuit includes diode D3, resistance R2, breakdown diode D4, electric capacity
C22, electric capacity C6, electric capacity C7, electric capacity C8 and electric capacity C9；Diode D3 positive pole is connected with transformer secondary output one end, negative pole with electricity
Hold C22 one end connection；Diode D3 negative pole is connected with resistance R2, electric capacity C6, electric capacity C8 simultaneously；Resistance R2 is with puncturing two poles
Pipe D4 negative pole is connected as one group, and electric capacity C6 is connected with electric capacity C7 as one group, and electric capacity C8 is connected with electric capacity C9 as one group,
Three groups of circuit in parallel, and it is integrally in parallel with electric capacity C22；The electric capacity C22 other end and breakdown diode D4 positive pole, electric capacity
C7, electric capacity C9 and the connection of the transformer secondary output other end.3rd branch circuit include diode D5, resistance R3, breakdown diode D6,
Electric capacity C23, electric capacity C10, electric capacity C11, electric capacity C12 and electric capacity C13；Diode D5 positive pole is connected with transformer secondary output one end,
Negative pole is connected with electric capacity C23 one end；Diode D5 negative pole is connected with resistance R3, electric capacity C10, electric capacity C12 simultaneously；Resistance R3
Connected with breakdown diode D6 negative pole as one group, electric capacity C10 is connected with electric capacity C11 as one group, electric capacity C12 and electric capacity
C13 connects as one group, three groups of circuit in parallel, and integrally in parallel with electric capacity C23；The electric capacity C23 other end is with puncturing two
Pole pipe D6 positive pole, electric capacity C11, electric capacity C13 and the connection of the transformer secondary output other end.4th branch circuit include diode D7,
Resistance R4, breakdown diode D8, electric capacity C24, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18, electric capacity C19,
Electric capacity C20 and electric capacity C21；Diode D7 positive pole is connected with transformer secondary output one end, negative pole and electric capacity C24 one end are connected；
Diode D7 negative pole is connected with resistance R4, electric capacity C14, electric capacity C16, electric capacity C18, electric capacity C20 simultaneously；Resistance R4 is with puncturing two
Pole pipe D8 negative pole series connection is as one group, and electric capacity C14 is connected with electric capacity C15 as one group, and electric capacity C16 connects work with electric capacity C17
For one group, electric capacity C18 is connected with electric capacity C19 as one group, and electric capacity C20 is connected with electric capacity C21 as one group, five groups of circuits
Parallel connection, and it is integrally in parallel with electric capacity C24；The electric capacity C24 other end and breakdown diode D8 positive pole, electric capacity C15, electric capacity C17,
Electric capacity C19, electric capacity C21 and the connection of the transformer secondary output other end.
Specifically, the electric capacity in filtering output circuit uses some ceramic paster electric capacity, some ceramic paster electric capacity
Between be connected in parallel.In galvanization, external power source is powered for input circuit, via transformer frequency conversion, then filtered output electricity
Road filtering voltage regulation, it is in parallel by some ceramic paster electric capacity, stable driving voltage is exported, in the output end of filtering output circuit
Provided with a feedback circuit, it is further ensured that and is successfully driven IGBT and keeps that integrated circuit vibration resistance is strong, temperature-resistance characteristic is high
Effect.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality
Within new protection domain.
Claims (7)
1. a kind of IGBT driving power supplies circuit, it is characterised in that including input circuit, transformer, filtering output circuit and feedback
Circuit, the input circuit is connected with the primary of the transformer, the secondary and filtering output circuit of the transformer
Input is connected, the output end of feedback circuit one end connection filtering output circuit, the other end connection input electricity
The input on road, the filtering output circuit include be connected respectively with the transformer secondary output the first branch circuit, second point
Branch circuit, the 3rd branch circuit and the 4th branch circuit.
2. a kind of IGBT driving power supplies circuit according to claim 1, it is characterised in that first branch circuit includes
Diode D1, resistance R1, breakdown diode D2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 and electric capacity C5；Diode D1 is just
Pole is connected with described transformer secondary output one end, negative pole and electric capacity C1 one end are connected；Diode D1 negative pole respectively with resistance R1,
Electric capacity C2, electric capacity C5 connections；Resistance R1, the breakdown diode D2 being serially connected and the electric capacity C2, electric capacity C3 and phase being serially connected
Electric capacity C5, the electric capacity C4 mutually connected is in parallel and integrally in parallel with electric capacity C1；The electric capacity C1 other end and breakdown diode D2, electricity
Hold C3, electric capacity C4 and transformer secondary output other end connection.
3. a kind of IGBT driving power supplies circuit according to claim 1, it is characterised in that second branch circuit includes
Diode D3, resistance R2, breakdown diode D4, electric capacity C22, electric capacity C6, electric capacity C7, electric capacity C8 and electric capacity C9；Diode D3's
Positive pole is connected with described transformer secondary output one end, negative pole and electric capacity C22 one end are connected；Diode D3 negative pole respectively with resistance
R2, electric capacity C6, electric capacity C8 connections；The resistance R2, the breakdown diode D4 that are serially connected and the electric capacity C6, the electric capacity C7 that are serially connected and
Electric capacity C8, the electric capacity C9 being serially connected are in parallel and integrally in parallel with electric capacity C22；The electric capacity C22 other end and breakdown diode
D4, electric capacity C7, electric capacity C9 and transformer secondary output other end connection.
4. a kind of IGBT driving power supplies circuit according to claim 1, it is characterised in that the 3rd branch circuit includes
Diode D5, resistance R3, breakdown diode D6, electric capacity C23, electric capacity C10, electric capacity C11, electric capacity C12 and electric capacity C13；Diode
D5 positive pole is connected with described transformer secondary output one end, negative pole and electric capacity C23 one end are connected；Diode D5 negative pole respectively with
Resistance R3, electric capacity C10, electric capacity C12 connections；The resistance R3, the breakdown diode D6 that are serially connected and the electric capacity C10 being serially connected,
Electric capacity C11 and the electric capacity C12 being serially connected are in parallel with electric capacity C13, and integrally in parallel with electric capacity C23；The electric capacity C23 other end with
Breakdown diode D6, electric capacity C11, electric capacity C13 and transformer secondary output other end connection.
5. a kind of IGBT driving power supplies circuit according to claim 1, it is characterised in that the 4th branch circuit includes
Diode D7, resistance R4, breakdown diode D8, electric capacity C24, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18,
Electric capacity C19, electric capacity C20 and electric capacity C21；Diode D7 positive pole is connected with described transformer secondary output one end, negative pole and electric capacity C24
One end connection；Diode D7 negative pole is connected with resistance R4, electric capacity C14, electric capacity C16, electric capacity C18, electric capacity C20 respectively；Phase
The resistance R4, the breakdown diode D8 that mutually connect and the electric capacity C14, the electric capacity C15 that are serially connected and the electric capacity C16 being serially connected,
Electric capacity C17 and the electric capacity C18 being serially connected, electric capacity C19 and the electric capacity C20, the electric capacity C21 that are serially connected are in parallel, and integrally
It is in parallel with electric capacity C24；The electric capacity C24 other end and breakdown diode D8, electric capacity C15, electric capacity C17, electric capacity C19, electric capacity C21 and
The transformer secondary output other end connection.
6. a kind of IGBT driving power supplies circuit according to claim 1, it is characterised in that in the filtering output circuit
Electric capacity uses in parallel between some ceramic paster electric capacity, some ceramic paster electric capacity.
7. a kind of IGBT driving power supplies circuit according to claim 1, it is characterised in that the filtering output circuit is at least
Including four branch circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720107988.0U CN206412927U (en) | 2017-02-04 | 2017-02-04 | A kind of IGBT driving power supplies circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720107988.0U CN206412927U (en) | 2017-02-04 | 2017-02-04 | A kind of IGBT driving power supplies circuit |
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| Publication Number | Publication Date |
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| CN206412927U true CN206412927U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720107988.0U Expired - Fee Related CN206412927U (en) | 2017-02-04 | 2017-02-04 | A kind of IGBT driving power supplies circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299846A (en) * | 2018-03-23 | 2019-10-01 | 北京天源科创风电技术有限责任公司 | Circuit control device and method, full-bridge LLC resonance circuit |
-
2017
- 2017-02-04 CN CN201720107988.0U patent/CN206412927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299846A (en) * | 2018-03-23 | 2019-10-01 | 北京天源科创风电技术有限责任公司 | Circuit control device and method, full-bridge LLC resonance circuit |
| CN110299846B (en) * | 2018-03-23 | 2020-10-30 | 北京天源科创风电技术有限责任公司 | Circuit control device and method and full-bridge LLC resonant circuit |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No. 60 Tongan Road, Wujiang District, Suzhou, Jiangsu Patentee after: Stamina stamina Power Technology (Suzhou) Co., Ltd. Address before: 215000 No. 60 Tongan Road, Wujiang District, Suzhou, Jiangsu Patentee before: Suzhou Simo pass Power Technology 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: 20170815 Termination date: 20200204 |