CN203691214U - Pulse driving device used for three-phase half controlled full bridge rectifier - Google Patents
Pulse driving device used for three-phase half controlled full bridge rectifier Download PDFInfo
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- CN203691214U CN203691214U CN201320895426.9U CN201320895426U CN203691214U CN 203691214 U CN203691214 U CN 203691214U CN 201320895426 U CN201320895426 U CN 201320895426U CN 203691214 U CN203691214 U CN 203691214U
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- stm32 microprocessor
- driving device
- output circuit
- voltage zero
- pulse driving
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- 238000004891 communication Methods 0.000 claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a pulse driving device used for a three-phase half controlled full bridge rectifier. The pulse driving device used for the three-phase half controlled full bridge rectifier is characterized by comprising a STM32 microprocessor, a driving output circuit, an isolation communication interface unit, a voltage zero-crossing sampling circuit and an external control device, wherein the driving output circuit comprises three sets of output circuit terminals used for driving three silicon controlled rectifiers, and a signal input terminal of the voltage zero-crossing sampling circuit is connected with a three-phase power supply; a signal output terminal of the voltage zero-crossing sampling circuit is electrically connected with a signal input terminal of the STM32 microprocessor, and a signal output terminal of the STM32 microprocessor is electrically connected with a signal input terminal of the driving output circuit; the isolation communication interface unit is equipped with a CAN port and a digital quantity output port used for connecting the STM32 microprocessor, and an I/O port used for connecting the external control device. The pulse driving device used for the three-phase half controlled full bridge rectifier of the utility model has the characteristics of simple wiring and low fault rate.
Description
Technical field
The utility model belongs to automation control appliance technical field, particularly relates to a kind of pulse driving device for three-phase half-controlled full-bridge rectification.
Background technology
At present, in some DC equipment, be widely used three-phase half-controlled full-bridge rectification technology.Conventional way is that controller drives controllable silicon according to controlling target and the direct pulse transformer of zero cross signal, thereby controls output.Finding by practice, there is following defect in prior art: due to circuit structure more complicated, therefore cause its failure rate higher, in the time that fault occurs, engineer is difficult to search at short notice out of order accurate location, therefore causes maintenance efficiency low; Therefore design a kind of failure rate is low, wiring is simple, integrated cost is low, be convenient to quick fault gets rid of the drive module of three-phase half-controlled full-bridge rectification and just seem particularly important.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of failure rate is low, wiring simply for the pulse driving device of three-phase half-controlled full-bridge rectification.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
For a pulse driving device for three-phase half-controlled full-bridge rectification, comprising: STM32 microprocessor, driver output circuit, isolated communication interface unit, voltage zero-cross sample circuit and external control devices; Wherein: described driver output circuit comprises for driving three groups of output circuit terminals of three silicon controlleds; The signal input terminal of described voltage zero-cross sample circuit is connected with three phase mains; The signal output terminal of described voltage zero-cross sample circuit is electrically connected with the signal input terminal of STM32 microprocessor, the signal output terminal of described STM32 microprocessor is electrically connected with the signal input terminal of driver output circuit, and described isolated communication interface unit is provided with CAN port and the digital output port that is connected use with STM32 microprocessor and the I/O port that is connected use with external control devices.
As optimal technical scheme, the utility model has also adopted following technical characterictic:
Described external control devices is the one in computer or touch-screen.
On described isolated communication interface unit, be also provided with the alarm signal receiving port being connected with STM32 microprocessor.
Advantage and the good effect that the utlity model has are:
One,, by adopting technique scheme, compared with prior art, the utlity model has that wiring is simple, the advantage of failure rate is low;
Two,, owing to having used CAN bus communication to carry out the transmission of control signal and state information, the rectification control system that therefore uses technique scheme to form just has larger mobile type, has greatly improved the scope of application; And after breaking down, can improve maintenance efficiency, reduce maintenance cost.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is partial circuit diagram of the present utility model, is mainly used in display driver output circuit;
Fig. 3 is partial circuit diagram of the present utility model, is mainly used in showing voltage zero-cross sample circuit.
Wherein: 1, isolated communication interface unit; 2, STM32 microprocessor; 3, driver output circuit; 4, voltage zero-cross sample circuit.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of pulse driving device for three-phase half-controlled full-bridge rectification, comprising: isolated communication interface unit 1, STM32 microprocessor 2, driver output circuit 3, voltage zero-cross sample circuit 4 and external control devices; Wherein: driver output circuit 3 comprises three groups of output circuit terminals, above-mentioned three groups of output circuit terminals are respectively terminal GA+, terminal GB+ and terminal GC+, and above-mentioned three groups of output circuit terminals drive respectively three controllable silicons; Voltage zero-cross sample circuit 4 gathers the port voltage of three phase mains, and gives STM32 microprocessor 2 by three-phase mains voltage zero passage; The signal input terminal of voltage zero-cross sample circuit 4 is connected with three phase mains; The signal output terminal of described voltage zero-cross sample circuit 4 is electrically connected with the signal input terminal of STM32 microprocessor 2, the signal output terminal of STM32 microprocessor 2 is electrically connected with the signal input terminal of driver output circuit 3, and isolated communication interface unit 1 is provided with CAN port and the digital output port that is connected use with STM32 microprocessor 2 and the I/O port that is connected use with external control devices; When use, isolated communication interface unit 1 is connected with external control devices, and external control devices is set up correspondence by CAN bus and data wire and STM32 microprocessor 2, and then to STM32 microprocessor 2 sending controling instruction signals.The general preferred computer of external control devices or touch-screen.STM32 microprocessor 2 produces silicon controlled control wave according to the instruction of external control and zero cross signal, and carries out the control of thyristor operating angle by driver output circuit 3.As preferably, in this specific embodiment, on isolated communication interface unit 1, be also provided with the alarm signal receiving port being connected with STM32 microprocessor 2, when the power data collecting when voltage zero-cross sample circuit 4 exceeds normal range (NR), STM32 microprocessor 2 sends alarm command by above-mentioned alarm signal receiving port to isolated communication interface unit 1, isolated communication interface unit 1 and then above-mentioned alarm command is transmitted to external control devices shows, last engineer can get warning message timely and accurately by external control devices.
Refer to Fig. 2, STM32 microprocessor 2 sends San road pulse signal and output enable signal after optocoupler O4, optocoupler O5, optocoupler O6 and optocoupler O7 isolation, drive a NPN type triode to drive by logical circuit, then drive the PNP triode of the second level to amplify output; The DC power supply that driver output circuit 3 uses and other circuit powers are isolated mutually.
Refer to Fig. 3, the three-phase alternating current that enters voltage zero-cross sample circuit 4 is first by current-limiting resistance, then by capacitance-resistance filter and diode shaping, with rear drive optocoupler and then obtain zero cross signal and send to STM32 microprocessor 2.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (3)
1. for a pulse driving device for three-phase half-controlled full-bridge rectification, it is characterized in that: comprising: STM32 microprocessor, driver output circuit, isolated communication interface unit, voltage zero-cross sample circuit and external control devices; Wherein: described driver output circuit comprises for driving three groups of output circuit terminals of three silicon controlleds; The signal input terminal of described voltage zero-cross sample circuit is connected with three phase mains; The signal output terminal of described voltage zero-cross sample circuit is electrically connected with the signal input terminal of STM32 microprocessor, the signal output terminal of described STM32 microprocessor is electrically connected with the signal input terminal of driver output circuit, and described isolated communication interface unit is provided with CAN port and the digital output port that is connected use with STM32 microprocessor and the I/O port that is connected use with external control devices.
2. pulse driving device according to claim 1, is characterized in that: described external control devices is the one in computer or touch-screen.
3. pulse driving device according to claim 1 and 2, is characterized in that: on described isolated communication interface unit, be also provided with the alarm signal receiving port being connected with STM32 microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895426.9U CN203691214U (en) | 2013-12-27 | 2013-12-27 | Pulse driving device used for three-phase half controlled full bridge rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895426.9U CN203691214U (en) | 2013-12-27 | 2013-12-27 | Pulse driving device used for three-phase half controlled full bridge rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691214U true CN203691214U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895426.9U Expired - Fee Related CN203691214U (en) | 2013-12-27 | 2013-12-27 | Pulse driving device used for three-phase half controlled full bridge rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972457A (en) * | 2017-05-25 | 2017-07-21 | 无锡三石电子有限公司 | A kind of controllable outer power supply short-circuit protection circuit of charger |
-
2013
- 2013-12-27 CN CN201320895426.9U patent/CN203691214U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972457A (en) * | 2017-05-25 | 2017-07-21 | 无锡三石电子有限公司 | A kind of controllable outer power supply short-circuit protection circuit of charger |
| CN106972457B (en) * | 2017-05-25 | 2019-09-13 | 无锡三石电子有限公司 | A kind of charger is controllable outer for short circuit protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140702 |