CN105071665A - DSP and CPLD based phase-shift full-bridge switch power supply controller - Google Patents
DSP and CPLD based phase-shift full-bridge switch power supply controller Download PDFInfo
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- CN105071665A CN105071665A CN201510539489.4A CN201510539489A CN105071665A CN 105071665 A CN105071665 A CN 105071665A CN 201510539489 A CN201510539489 A CN 201510539489A CN 105071665 A CN105071665 A CN 105071665A
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Abstract
The invention discloses a DSP and CPLD based phase-shift full-bridge switch power supply controller. The DSP and CPLD based phase-shift full-bridge switch power supply controller comprises a sampling filter circuit, a magnetic deflection detection circuit, a DSP module, a CPLD module, an isolation driving circuit, a power amplification circuit, a controller, an interface module, a remote communication module and a display module. The sampling filter circuit, the magnetic deflection detection circuit and the power amplification circuit are connected with the corresponding port of the DSP module, the DSP module is connected with the isolation driving circuit through the CPLD module, the DSP module is connected with the remote communication module through the controller, and the DSP module is connected with the display module through the interface module.
Description
Technical field
The present invention relates to a kind of power supply output control system, particularly relate to a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD, belong to power supply and export control field.
Background technology
Some place of current China is due to power supply shortage, or power equipment serious aging, in peak times of power consumption, electrical network overload operation, line voltage is too low, and in the low power consumption phase, line voltage is too high, the phenomenon that this voltage fluctuates widely, and is easy to bring infringement to some power consumption equipments.The household electrical appliance such as various intelligent instrumentations, PC particularly constantly occurred, more and more higher to the requirement of power quality, this just needs to develop a kind of high performance alternating current steady voltage plug.
Currently marketed alternating current steady voltage plug has alternating current steady voltage plug two class of Control and Serve Motor Control, the former is that one has level to adjust, cheap, efficiency is higher, but owing to being have level adjustment to cause voltage to beat and instant cut-off, household electrical appliance, intelligent instrumentation etc. for computer and band microcomputer easily cause fault.The latter is a kind of stepless changing, efficiency is high, range of regulation is wide, wave distortion is little, but function ratio is more single, and Performance And Reliability is not good enough, does not realize intellectuality, can not numerical monitor, does not more have timing output and alarm clock effect.
Such as application number is that a kind of alternating current steady voltage plug of " 201310575820.9 " belongs to the system regions regulating electric variable or magnetic variable, especially relates to a kind of improvement of alternating current steady voltage plug.This invention provides a kind of stable performance, has system voltage, a kind of alternating current steady voltage plug of frequency Presentation Function.The present invention includes input adjustment module, rectification module, DC-DC boost module, H-bridge inverter circuit, output filtering module, controller, A/D modular converter, voltage sample module, frequency sampling module and comparator module, it is characterized in that: input adjustment module, rectification module are connected with DC-DC boost module, rectification module is also connected with H-bridge inverter circuit, and DC-DC boost module, H-bridge inverter circuit are connected with controller; Controller is also connected with comparator with frequency sampling module with A/D modular converter, voltage sample module.
And for example application number is the single-phase of " 201410062045.1 " and three-phase ac regulated power supply, and the two-way half control electronic switch that it is made up of the two-way full control electronic switch formed with the single-phase of tap or 3-phase autotransformer, inductance-capacitance filter, rectifier diode and full control device, thyristor and control triggering electric circuit thereof form.Every phase 2 bidirectional electronic switch are connected to autotransformer input, entirely controlling device and cutting control make-to-break ratio, making the alternating current steady voltage plug that output AC voltage reaches stable with automatically regulating 2 in two-way full control switch.It has contactless, is swift in response, and electronic devices and components quantity is little, the advantages such as cost is low, good reliability.Its alternative existing single, compensation full-automatic alternating current stabilized voltage supply of three-phase, single, three-phase Full-automatic compensated power regulation power supply, Intelligent contactless alternating electromotive force stabilized voltage power supply, has the extensive prospect of marketing.
Summary of the invention
Technical problem to be solved by this invention provides a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD for the deficiency of background technology.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Based on a phase-shifting full-bridge switch power controller of DSP and CPLD, comprise sampling filter circuit, magnetic biasing testing circuit, DSP module, CPLD module, isolated drive circuit, power amplification circuit, controller, interface module, remote communication module and display module; Described sampling filter circuit, magnetic biasing testing circuit, power amplification circuit are connected on the corresponding port of DSP module, described DSP module is by CPLD model calling isolated drive circuit, described DSP module connects remote communication module by controller, and described DSP module connects display module by interface module.
As the further preferred version of a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD of the present invention, described DSP module adopts the TMS320LF2407A chip in TI company 24X series DSP controller.
As the further preferred version of a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD of the present invention, the chip model of described interface module is RS232.
As the further preferred version of a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD of the present invention, the chip model of described remote communication module is SY-RSCM302.
As the further preferred version of a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD of the present invention, described display module adopts LCD display.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, the phase-shifting full-bridge resonant type soft-switch digitial controller of the present invention's design not only achieves outside the main circuit controlling functions such as power device driving, protection, additionally provide abundant external communication interface, and peripheral equipment control function, by DSP and CPLD programming, realize dissimilar power model, the different Switching Power Supply Digital Control exporting requirement;
2, the present invention adopts the Design of Digital Controller switch power controller that integrated level is high, integrated functionality is powerful, and the Switching Power Supply adapting to improve constantly exports the requirements such as PLC technology, data communication, intelligentized control method.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, based on a phase-shifting full-bridge switch power controller of DSP and CPLD, comprise sampling filter circuit, magnetic biasing testing circuit, DSP module, CPLD module, isolated drive circuit, power amplification circuit, controller, interface module, remote communication module and display module; Described sampling filter circuit, magnetic biasing testing circuit, power amplification circuit are connected on the corresponding port of DSP module, described DSP module is by CPLD model calling isolated drive circuit, described DSP module connects remote communication module by controller, and described DSP module connects display module by interface module.
Wherein, described DSP module adopts the TMS320LF2407A chip in TI company 24X series DSP controller, the chip model of described interface module is RS232, and the chip model of described remote communication module is SY-RSCM302, and described display module adopts LCD display.
Phase-shifting full-bridge resonant type soft-switch digitial controller of the present invention not only achieves outside the main circuit controlling functions such as power device driving, protection; additionally provide abundant external communication interface; and peripheral equipment control function; by DSP and CPLD programming, realize dissimilar power model, the different Switching Power Supply Digital Control exporting requirement.
Innovative point of the present invention is the powerful data processing function and the CPLD feature able to programme that utilize DSP, devise and there is digitlization, intellectuality, Switching Power Supply digitial controller that versatility is good, the Switching Power Supply applying this digitial controller is made to have very high response speed, complicated output characteristic can be realized, as met in battery charging process for the charging curve etc. required by different charging strategy, therefore there is wider application prospect.
Signal in order to ensure control board and system main circuit is isolated, and data sampling circuit adopts and Hall voltage transducer and Hall current sensor interface, guarantees the signal of circuit of sampling input and the completely isolated of sampled output signal.TMS320LF2407A chip internal is integrated with the analog-to-digital conversion module of the built-in sampling/maintenance of band of 10 precision.According to the technical requirement of system, the precision of 10 ADC can meet the control overflow of the resolution of voltage, the resolution of electric current, therefore directly utilizes the ADC that control chip is inner integrated herein, just can meet control precision.In addition, these 10 ADC are high-speed ADCs, and the minimum transition time can reach 500ns, also meet and control sampling period requirement.In order to improve the precision of ADC digital sampling, reducing the workload of software filtering, devising the signal of low pass filter to voltage and current and process, to eliminate the interference of high-frequency signal and better to eliminate the interference in circuit and space.
In power supply running, some abnormalities may be there are, make former edges generating line short circuit as leading directly to appears in full-bridge circuit; Secondary load short circuits or overcurrent, radiator are overheated etc., and need to be protected in the controlling, the function that make use of DSP power protection pin PDPINT is carried out to abnormality detections and can accomplish appropriately to process in time, accomplishes the safe and reliable operation of system.
Protective circuit adopts window comparator circuit, respectively over-current signal, the short-circuit signal of output and the heat alarm of radiator of detection power switching tube.The threshold values of setting protection, once there is any exception, just at once guard signal can be sent into DSP power protection pin PDPINT or external interrupt signal IOPE-2, notice control system also takes appropriate measures: adopt expendable protected mode for the short circuit on former limit and the short circuit of secondary, close PWM drive singal at once, the input of cutting off the electricity supply, occurs with the danger preventing other more serious; For the recoverable guard signal such as radiator is overheated, then temporary close PWM exports, and again resumes work after waiting recovering state again.
Digitial controller external interface of the present invention comprises external control I/O interface and external communication interface, utilize the I/O mouth of DSP inside to realize peripheral additional control function, as: indicator light display, main circuit delayed control, the control of output contactor, the switch control rule etc. of radiator fan;
External communication interface comprises CAN interface and RS232 interface.CAN interface can meet Long-range Data Transmission requirement, RS232 interface can with man-machine device interfaces.
Outside CAN communication interface adopts the CAN controller interface of TMS320LF2407A chip, and utilization 82C250 is as CAN driving chip and peripheral device communication.CAN driving chip 82C250 powers separately, is isolated, pin CANRX and CANTX of inner for DSP CAN controller and driving chip 82C250 to reduce the interference of digital signal to CPU by optocoupler.
The serial communication interface SCI module that RS232 communication interface utilizes TMS320LF2407A chip to comprise, it supports the digital communication between CPU and other asynchronous peripheral using reference format.SCI receiver and transmitter are double bufferings, and each has its oneself independent enable bit and interrupt flag bit.Both can work alone, or work under the mode of full duplex simultaneously.Herein in design, SCI module pin SCIRX with SCITX of CPU is by being connected with RS232 serial port drive chip MAX232 after light-coupled isolation, and the output of MAX232 adopts 3 line load modes, and signal is by being connected with external equipment after high speed photo coupling isolation.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
Claims (5)
1. based on a phase-shifting full-bridge switch power controller of DSP and CPLD, it is characterized in that: comprise sampling filter circuit, magnetic biasing testing circuit, DSP module, CPLD module, isolated drive circuit, power amplification circuit, controller, interface module, remote communication module and display module; Described sampling filter circuit, magnetic biasing testing circuit, power amplification circuit are connected on the corresponding port of DSP module, described DSP module is by CPLD model calling isolated drive circuit, described DSP module connects remote communication module by controller, and described DSP module connects display module by interface module.
2. a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD according to claim 1, is characterized in that: described DSP module adopts the TMS320LF2407A chip in TI company 24X series DSP controller.
3. a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD according to claim 1, is characterized in that: the chip model of described interface module is RS232.
4. a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD according to claim 1, is characterized in that: the chip model of described remote communication module is SY-RSCM302.
5. a kind of phase-shifting full-bridge switch power controller based on DSP and CPLD according to claim 1, is characterized in that: described display module adopts LCD display.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106017584A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Monitoring system for liquid volume flow based on filter circuit and power manager |
| CN106018874A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Environmental wind speed monitoring system based on filter circuit and power supply controller |
| CN106018875A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Atmospheric environment wind speed monitoring system |
| CN106092227A (en) * | 2016-07-22 | 2016-11-09 | 无锡信大气象传感网科技有限公司 | Liquid volume flow monitoring system based on three-stage amplifier and power supervisor |
| CN106157590A (en) * | 2016-08-29 | 2016-11-23 | 无锡卓信信息科技股份有限公司 | A kind of depot safety Anti-theft intelligent monitoring system |
| CN106248197A (en) * | 2016-07-22 | 2016-12-21 | 无锡信大气象传感网科技有限公司 | A kind of environment noise long distance control system |
| CN106251562A (en) * | 2016-08-29 | 2016-12-21 | 无锡卓信信息科技股份有限公司 | A kind of intelligent building firefighting monitoring system |
| CN106355815A (en) * | 2016-08-29 | 2017-01-25 | 无锡卓信信息科技股份有限公司 | Intelligent building fire protection monitoring system based on sensor network |
| CN108512307A (en) * | 2018-04-24 | 2018-09-07 | 苏州诺登德智能科技有限公司 | A kind of electric power monitoring system based on DSP and CPLD |
| CN108674368A (en) * | 2018-04-24 | 2018-10-19 | 苏州诺登德智能科技有限公司 | A kind of intelligent anti-theft system based on information fusion |
| CN112019129A (en) * | 2019-05-31 | 2020-12-01 | 蜂巢电驱动科技河北有限公司 | Drive protection method, bridge type drive system and motor controller |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017584A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Monitoring system for liquid volume flow based on filter circuit and power manager |
| CN106018874A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Environmental wind speed monitoring system based on filter circuit and power supply controller |
| CN106018875A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Atmospheric environment wind speed monitoring system |
| CN106092227A (en) * | 2016-07-22 | 2016-11-09 | 无锡信大气象传感网科技有限公司 | Liquid volume flow monitoring system based on three-stage amplifier and power supervisor |
| CN106248197A (en) * | 2016-07-22 | 2016-12-21 | 无锡信大气象传感网科技有限公司 | A kind of environment noise long distance control system |
| CN106157590A (en) * | 2016-08-29 | 2016-11-23 | 无锡卓信信息科技股份有限公司 | A kind of depot safety Anti-theft intelligent monitoring system |
| CN106251562A (en) * | 2016-08-29 | 2016-12-21 | 无锡卓信信息科技股份有限公司 | A kind of intelligent building firefighting monitoring system |
| CN106355815A (en) * | 2016-08-29 | 2017-01-25 | 无锡卓信信息科技股份有限公司 | Intelligent building fire protection monitoring system based on sensor network |
| CN108512307A (en) * | 2018-04-24 | 2018-09-07 | 苏州诺登德智能科技有限公司 | A kind of electric power monitoring system based on DSP and CPLD |
| CN108674368A (en) * | 2018-04-24 | 2018-10-19 | 苏州诺登德智能科技有限公司 | A kind of intelligent anti-theft system based on information fusion |
| CN112019129A (en) * | 2019-05-31 | 2020-12-01 | 蜂巢电驱动科技河北有限公司 | Drive protection method, bridge type drive system and motor controller |
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Application publication date: 20151118 |