CN102857110A - Voltage regulating and stabilizing DSP (digital signal processor) control device - Google Patents
Voltage regulating and stabilizing DSP (digital signal processor) control device Download PDFInfo
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- CN102857110A CN102857110A CN2011101810093A CN201110181009A CN102857110A CN 102857110 A CN102857110 A CN 102857110A CN 2011101810093 A CN2011101810093 A CN 2011101810093A CN 201110181009 A CN201110181009 A CN 201110181009A CN 102857110 A CN102857110 A CN 102857110A
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Abstract
The invention discloses a voltage regulating and stabilizing DSP (digital signal processor) control device which comprises a signal acquisition module, a DSP core module and a PWM(pulse width modulation) output module. A DSP chip is embedded in the DSP core module, the signal acquisition module converts acquired signals into electric signals to transmit the same to the DSP core module to be calculated, calculation results are transmitted to the PWM output module through a PWM output end on the DSP chip by the DSP core module, and the PWM output module generates PWM waveforms according to the calculation results of the DSP core module, and conversion of an IGBT(insulated gate bipolar translator) on a chopper is controlled. By the voltage regulating and stabilizing DSP control device, response speed to input voltage fluctuation and precision of compensation to output voltage are increased.
Description
Technical field
The present invention relates to a kind of voltage-regulation voltage-stabilization DSP for the power transmission and transformation field (Digital Signal Processing, Digital Signal Processing) control device.
Background technology
The control technology of present existing alternating current voltage-regulation voltage-stabilization is divided into: adopt servomotor to rotate to drive the carbon brush switching transformer tapping of doing exercises to realize voltage-regulation voltage-stabilization, although output voltage is electrodeless adjusting, but because motor and carbon brush side exist, make it exist governing speed slow, life-span is short, and the shortcoming such as easily get stuck, volume weight reaches; Adopting controllable silicon is the position that electronic switch is regulated the Transformer Winding tap, but its adjusting has the utmost point, has the shortcoming of output voltage low precision; Adopt baseline sinusoidal wave as PWM (pulse-width modulation, the Pulse Width Modulation) control of modulation waveform and since will with the baseline sinusoidal wave of input Complete Synchronization, thereby control circuit becomes very complicated.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of for voltage-regulation voltage-stabilization DSP control device.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of voltage-regulation voltage-stabilization DSP control device, and it comprises information acquisition module, DSP nucleus module and PWM output module, the built-in dsp chip of described DSP nucleus module arranges the PWM output on the described dsp chip;
Described signal acquisition module is with the information that collects, changing into electrical signal transfer calculates to the DSP nucleus module, described DSP nucleus module passes to the PWM output module with institute's result of calculation by the PWM output, described PWM output module is according to the result of calculation of DSP nucleus module, generate the PWM waveform, thereby the conversion of control IGBT (insulated gate bipolar translator power tube, Insulated Gate Bipolar Transistor).
Further, the external human-computer interaction interface module of described DSP nucleus module and correspondence with foreign country module;
Described correspondence with foreign country module arranges standard communication interface.
Further, described dsp chip comprises 6 task managers, totally 12 road PWM outputs.
Further, described dsp chip general purpose timer, pulse-width modulation PWM circuit, catcher, photoelectric encoder interface, A/D (analog/digital, Analog/Digita1) transducer, serial communication interface, house dog.
Further, unit IGBT power switch component in described PWM output module adopts.
Further, described IGBT power switch component is made of gate-drive and protective circuit.
Further, there is not direct electrical connection between described DSP nucleus module and the PWM output unit, and adopts high-speed photoelectric coupler as the isolating device of input signal.
Adopt voltage-regulation voltage-stabilization DSP control device of the present invention, can realize following technique effect: by real-time sampling input voltage and bucking voltage parameter, calculate the voltage control situation of switching front and back, improve the response speed of system; Voltage compensation mode by optimizing provides the voltage compensation value of being finished by AC chopper; By the PWM control to the exchange conversion module, finish needed voltage compensation quantity; Thereby, improved the response speed of input voltage fluctuation and the precision of compensation output voltage.
Description of drawings
Fig. 1 is the structured flowchart of a kind of embodiment of voltage-regulation voltage-stabilization DSP control device of the present invention.
Embodiment
It is of the present invention in order to understand technical scheme of the present invention better to see also Fig. 1, also is described in detail by reference to the accompanying drawings below by concrete ground embodiment:
A kind of voltage-regulation voltage-stabilization DSP control device of invention comprises and information acquisition module 1 DSP nucleus module 2 and PWM output module 3, described DSP nucleus module 2 built-in dsp chips;
Described signal acquisition module 1 is with information such as the alternating current that collects, voltage, transformer temperatures, changing into signal passes to DSP nucleus module 2 and calculates, described DSP nucleus module 2 is passed PWM output module 3 with institute's result of calculation by the PWM output on the dsp chip, described PWM output module 3 is according to the result of calculation of DSP nucleus module 2, generate the PWM waveform, thus the conversion of IGBT on the control chopper.
In order to debug and to arrange for the parameter of voltage-regulation voltage-stabilization DSP control device of the present invention, voltage-regulation voltage-stabilization DSP control device of the present invention is provided with human-computer interaction interface module 4, transmit the information of parameters to described DSP nucleus module, and the operation conditions of feedback voltage-regulation voltage-stabilization DSP control device, described human-computer interaction interface module comprises debugging interface, keyboard and display screen etc.
In order to communicate with external equipment and system, voltage-regulation voltage-stabilization DSP control device of the present invention also is provided with correspondence with foreign country module 5, described correspondence with foreign country module 5 comprises communication interface, described communication interface is standard communication interface, communicates by standard communication protocol and external equipment and voltage-regulation voltage-stabilization DSP control device.
The dsp chip of DSP control system adopts TIX with the TMS320F28335 type dsp chip of floating-point operation function.This chip not only has the high-speed computation function of normal signal processor, and also have in the chip slappers such as general purpose timer, pulse-width modulation PWM circuit, catcher, photoelectric encoder interface, A/D converter, serial communication interface, house dog and establish and the sheet peripheral hardware, establish in these sheets and be made as DSP outward with sheet and be applied to controller convenience is provided.Because it has 6 task managers, totally 12 road PWM output just is being used on the IGBT control of voltage-regulation voltage-stabilization circuit.
The PM200CLA060 intelligent power module (Intelligent Power Module, Intelligent Power Module) that six unit IGBT switch elements select MIT to produce.This module is advanced mixing integrated power device, is made of the igbt chip of high-speed low-power-consumption, preferred gate-drive and protective circuit.Compare with other power models, IPM can make that the hardware circuit of system is simple, reliability is high and shorten the development time of system.The IPM peripheral circuit that IGBT is required all is integrated in the module, has simplified and being connected of DSP.
Because IPM is strict to driving voltage and signal interference, damage and misoperation for preventing IPM, so between dsp chip and the IPM direct electrical connection can not be arranged, adopt high-speed photoelectric coupler as the isolating device of input signal.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (6)
1. voltage-regulation voltage-stabilization DSP control device, it is characterized in that it comprises and information acquisition module (1), DSP nucleus module (2) and PWM output module (3), described DSP nucleus module (2) arranges built-in dsp chip, and the PWM output is set on the described dsp chip;
Described signal acquisition module (1) will collect information, changing into signal passes to DSP nucleus module (2) and calculates, described DSP nucleus module (2) passes to PWM output module (3) with institute's result of calculation by the PWM output on the dsp chip, described PWM output module (3) is according to the result of calculation of DSP nucleus module (2), generate the PWM waveform, thus the conversion of IGBT on the control chopper.
2. DSP control device as claimed in claim 1 is characterized in that the external human-computer interaction interface module of described DSP nucleus module (2) (4) and correspondence with foreign country module (5);
Described correspondence with foreign country module (5) arranges standard communication interface.
3. DSP control device as claimed in claim 1 is characterized in that dsp chip comprises 6 task managers, totally 12 road PWM outputs.
4. DSP control device as claimed in claim 3 is characterized in that described dsp chip arranges general purpose timer, pulse-width modulation PWM circuit, catcher, photoelectric encoder interface, A/D converter, serial communication interface and house dog.
5. DSP control device as claimed in claim 1 is characterized in that described PWM output module (3) adopts unit IGBT power switch component.
6. DSP control device as claimed in claim 5 is characterized in that described IGBT power switch component is made of gate-drive and protective circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101810093A CN102857110A (en) | 2011-06-30 | 2011-06-30 | Voltage regulating and stabilizing DSP (digital signal processor) control device |
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| CN2011101810093A CN102857110A (en) | 2011-06-30 | 2011-06-30 | Voltage regulating and stabilizing DSP (digital signal processor) control device |
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| CN102857110A true CN102857110A (en) | 2013-01-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105071665A (en) * | 2015-08-28 | 2015-11-18 | 无锡伊佩克科技有限公司 | DSP and CPLD based phase-shift full-bridge switch power supply controller |
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| CN201011711Y (en) * | 2006-12-30 | 2008-01-23 | 上海格立特电力电子有限公司 | Frequency convertor voltage current signal providing circuit |
| CN201256362Y (en) * | 2008-09-26 | 2009-06-10 | 刘臻 | Non-complementary cutting control type intelligent AC voltage stabilizing and regulating device |
| CN201313230Y (en) * | 2008-12-02 | 2009-09-23 | 上海沪工电焊机制造有限公司 | Inverter plasma cutting power supply device based on DSP |
| CN202159241U (en) * | 2011-06-30 | 2012-03-07 | 上海市电力公司 | Voltage regulating and voltage stabilizing DSP control device |
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- 2011-06-30 CN CN2011101810093A patent/CN102857110A/en active Pending
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| CN201011711Y (en) * | 2006-12-30 | 2008-01-23 | 上海格立特电力电子有限公司 | Frequency convertor voltage current signal providing circuit |
| CN201256362Y (en) * | 2008-09-26 | 2009-06-10 | 刘臻 | Non-complementary cutting control type intelligent AC voltage stabilizing and regulating device |
| CN201313230Y (en) * | 2008-12-02 | 2009-09-23 | 上海沪工电焊机制造有限公司 | Inverter plasma cutting power supply device based on DSP |
| CN202159241U (en) * | 2011-06-30 | 2012-03-07 | 上海市电力公司 | Voltage regulating and voltage stabilizing DSP control device |
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| CN105071665A (en) * | 2015-08-28 | 2015-11-18 | 无锡伊佩克科技有限公司 | DSP and CPLD based phase-shift full-bridge switch power supply controller |
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Application publication date: 20130102 |