CN208904731U - A kind of IGBT inversion type charger - Google Patents
A kind of IGBT inversion type charger Download PDFInfo
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- CN208904731U CN208904731U CN201821663633.0U CN201821663633U CN208904731U CN 208904731 U CN208904731 U CN 208904731U CN 201821663633 U CN201821663633 U CN 201821663633U CN 208904731 U CN208904731 U CN 208904731U
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- igbt
- circuit
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- transformer
- inversion type
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Abstract
The utility model belongs to charger field, discloses a kind of IGBT inversion type charger, is provided with three-phase current voltage monitoring circuit, and the three-phase current voltage monitoring circuit is connect with relay, AEF, transformer；Input terminal connects filter；Filter is connected with rectifier bridge and relay, and rectifier bridge is connect with AEF, and IGBT Drive Protecting Circuit is connected with after AEF；IGBT Drive Protecting Circuit is connect with dsp controller and transformer, and transformer connects the depolarization discharges circuit and output end；Processor is connect with alarm device, radiator, IGBT temperature observation circuit, dsp controller, wireless transmitter.The features such as stability of electric current can be improved in the utility model, and efficient high, at low cost low with failure rate, highly-safe, easy to operate.
Description
Technical field
The utility model belongs to charger field more particularly to a kind of IGBT inversion type charger.
Background technique
Currently, the prior art commonly used in the trade be it is such,
The use power frequency (50Hz) in the 60 to 70's of prevailing in the market, common charger or last century becomes
The charger and saturation core regulator formula charger of transformer design.Though it has many advantages, such as simple, inexpensive and reliable, exist
The defects of weight is big, low efficiency.Existing high frequency large current charge device, although preferably solving with power frequency (50Hz) transformer
Defect present in the charger of design, but since its power device used is MOSFET field-effect tube, therefore the MOSFET
Conducting resistance present in effect pipe itself is larger, has that positive temperature coefficient and conduction loss are big, it is higher to open threshold voltage
The defects of, result in charger also and correspondingly there will be output power decline when working under the conditions of high-power, high voltage, high current,
The problems such as power-efficient is low, job stability, poor radiation, danger coefficient are high, controlling is poor.
In conclusion problem of the existing technology is:
There are output power decline, power-efficients when working under the conditions of high-power, high voltage, high current for charger lowly,
The problems such as job stability, poor radiation, danger coefficient are high, controlling is poor.
Summary of the invention
In view of the problems of the existing technology, the utility model provides a kind of IGBT inversion type charger.
The utility model is realized in this way the IGBT inversion type charger is provided with
IGBT inversion type charger is provided with
Three-phase current voltage monitoring circuit,
The three-phase current voltage monitoring circuit is connect with relay, AEF, transformer；
Input terminal connects filter；Filter is connected with rectifier bridge and relay, and rectifier bridge is connect with AEF, connects after AEF
It is connected to IGBT Drive Protecting Circuit；
IGBT Drive Protecting Circuit is connect with dsp controller and transformer, transformer connect the depolarization discharges circuit with it is defeated
Outlet；
Processor is connect with alarm device, radiator, IGBT temperature observation circuit, dsp controller, wireless transmitter.
Further, the relay is connect with three-phase current voltage monitoring circuit.
It is detected by electric current and voltage of the three-phase current voltage monitoring circuit to operation, and output test result.
Further, the processor is connect with station, and control processor.
Effective control to processor can be realized by station, improve the efficiency of operation.
Further, the IGBT Drive Protecting Circuit is connect with dsp controller, and is controlled by dsp controller.
Dsp controller effectively controls IGBT Drive Protecting Circuit, improves the efficiency of charging, reduces charging
Cost.
The advantages of the utility model and good effect are as follows: the utility model is provided with AFE feedback device, and AEF technology is eliminated
Higher hamonic wave, increase power factor, and do not influenced by power network fluctuation, there is brilliant dynamic characteristic.The utility model is set
Be equipped with IGBT charging module so that the charging unit have the characteristics that it is high-efficient, at low cost low with failure rate.The utility model is set
It is equipped with wireless transmitter and alarm device, greatly improve the security performance of the device and can remotely be controlled.It improves
The stability of electric current, and efficient high, at low cost low with failure rate, highly-safe, it is easy to operate the features such as.
Detailed description of the invention
Fig. 1 is IGBT inversion type charger circuit diagram provided by the embodiment of the utility model；
Fig. 2 is the electrical block diagram of filter provided by the embodiment of the utility model；
Fig. 3 is the electrical block diagram of rectifier bridge provided by the embodiment of the utility model；
Fig. 4 is the electrical block diagram of AFE feedback device provided by the embodiment of the utility model；
Fig. 5 is the electrical block diagram of wireless transmitter provided by the embodiment of the utility model；
Fig. 6 is IGBT temperature observation circuit structural schematic diagram provided by the embodiment of the utility model；
In figure: 1, filter；2, rectifier bridge；3, AFE feedback device；4, IGBT Drive Protecting Circuit；5, transformer；6, defeated
Outlet；7, wireless transmitter；8, the depolarization discharges circuit；9, dsp controller；10, station；11, processor；12, three-phase electricity
Flow voltage monitoring circuit；13, alarm device；14, radiator；15, IGBT temperature observation circuit；16, relay；17, input terminal.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing.
It 1 is explained in detail with reference to the accompanying drawing to structure of the attached drawing 6 to the utility model.
The IGBT inversion type charger includes: filter 1, rectifier bridge 2, AFE feedback device 3, IGBT Drive Protecting Circuit
4, transformer 5, output end 6, wireless transmitter 7, the depolarization discharges circuit 8, DSP controller 9, station 10, processor 11,
Three-phase current voltage monitoring circuit 12, alarm device 13, radiator 14, IGBT temperature observation circuit 15, relay 16, input terminal
17。
Three-phase current voltage monitoring circuit 12 is connect with relay 16, AEF3, transformer 5；
Input terminal 17 connects filter 1；Filter 1 is connected with rectifier bridge 2 and relay 16, and rectifier bridge 2 and AEF3 connect
It connects, IGBT Drive Protecting Circuit 4 is connected with after AEF3；
IGBT Drive Protecting Circuit 4 is connect with dsp controller 9 and transformer 5, and transformer 5 connects the depolarization discharges circuit 8
With output end 6；
Processor 11 and alarm device 13, radiator 14, IGBT temperature observation circuit 15, dsp controller 9, wireless transmitter
6 connections.
As the preferred embodiment of the utility model, relay 16 is connect with three-phase current voltage monitoring circuit 12.
As the preferred embodiment of the utility model, processor 11 is connect with station 10, and control processor 11.
As the preferred embodiment of the utility model, IGBT Drive Protecting Circuit 4 is connect with dsp controller 9, and by DSP
Controller 9 controls.
Working principle of the utility model is: the utility model passes through 17 input current of input terminal.It is filtered through wave filter 1
Wave is rectified by rectifier bridge 2, then handles harmonic wave by AFE feedback device 3, and IGBT driving is driven under DSP controller 9
Protect circuit 4, carrying out transformation by transformer 5, increasing depolarising and put back to circuit 8 and arranged, by electric current from output end 6 into
Row output.It is provided with IGBT temperature observation circuit 12 to detect temperature, control temperature by radiator 14, and
Be provided with three-phase current voltage monitoring circuit 12 and relay 16, circuit when something goes wrong, alarm device 13 works, processing
Device 11 controls whole device, and artificial control is carried out by station 10, is remotely controlled by wireless transmitter 7.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (4)
1. a kind of IGBT inversion type charger, which is characterized in that the IGBT inversion type charger is provided with
Three-phase current voltage monitoring circuit；
The three-phase current voltage monitoring circuit is connect with relay, AEF, transformer；
The input terminal of the three-phase current voltage monitoring circuit connects filter；Filter is connected with rectifier bridge and relay, whole
Stream bridge is connect with AEF, and IGBT Drive Protecting Circuit is connected with after AEF；
IGBT Drive Protecting Circuit is connect with dsp controller and transformer, and transformer connects the depolarization discharges circuit and output end；
Processor is connect with alarm device, radiator, IGBT temperature observation circuit, dsp controller, wireless transmitter.
2. IGBT inversion type charger as described in claim 1, which is characterized in that the relay and three-phase current voltage monitoring
Circuit connection.
3. IGBT inversion type charger as described in claim 1, which is characterized in that the processor is connect with station.
4. IGBT inversion type charger as described in claim 1, which is characterized in that the IGBT Drive Protecting Circuit and DSP are controlled
Device connection processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663633.0U CN208904731U (en) | 2018-10-15 | 2018-10-15 | A kind of IGBT inversion type charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663633.0U CN208904731U (en) | 2018-10-15 | 2018-10-15 | A kind of IGBT inversion type charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904731U true CN208904731U (en) | 2019-05-24 |
Family
ID=66575671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821663633.0U Active CN208904731U (en) | 2018-10-15 | 2018-10-15 | A kind of IGBT inversion type charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904731U (en) |
-
2018
- 2018-10-15 CN CN201821663633.0U patent/CN208904731U/en active Active
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