CN102820697A - DSP (digital signal processor) based control system of uninterrupted power supply - Google Patents

DSP (digital signal processor) based control system of uninterrupted power supply Download PDF

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Publication number
CN102820697A
CN102820697A CN 201210354107 CN201210354107A CN102820697A CN 102820697 A CN102820697 A CN 102820697A CN 201210354107 CN201210354107 CN 201210354107 CN 201210354107 A CN201210354107 A CN 201210354107A CN 102820697 A CN102820697 A CN 102820697A
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CN
China
Prior art keywords
dsp
power supply
core processor
uninterrupted power
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201210354107
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Chinese (zh)
Inventor
谢春福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui University of Science and Technology
Original Assignee
Anhui University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN 201210354107 priority Critical patent/CN102820697A/en
Publication of CN102820697A publication Critical patent/CN102820697A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a DSP (digital signal processor) based control system of an uninterrupted power supply, comprising a DSP core processor, an isolation transformer, an AC/DC (alternating current/direct current) module, a charging circuit, a storage battery, a discharging circuit and a DC/DC voltage stabilization module, wherein the isolation transformer is connected with the DC/DC voltage stabilization module through the AC/DC module and the DSP core processor sequentially, and the storage battery is directly connected with the DSP core processor. By utilizing a DSP technology, the DSP based control system disclosed by the invention realizes a digital control direct current uninterrupted power supply, and characteristics and performances of a power supply control system are immediately changed, so that the flexible and quick response speed of the system is increased, and the reliability and the maintainability of operation of the uninterrupted power supply are improved.

Description

Based on DSP uninterrupted power supply control system
 
Technical field
The present invention relates to a kind of power control system, specifically is a kind of based on DSP uninterrupted power supply control system.
Background technology
Along with popularizing day by day of broad application of Internet and network, uninterrupted power supply (ups) Unity is as the guarantee of computer system security operation, by the original just independently outer indispensable part of The whole calculations machine network system that is configured to.The control strategy that UPS in the past adopts basically is that classical control theory or electronic technology (comprising analog circuit and digital circuit) realize sophisticated functions; The method is feasible but exist integrated level not high; Control Parameter confirms that the back difficulty adjusts; Problem such as intelligent diagnostics fault well, and UPS in the past can not satisfy present automation, networking and intelligentized requirement.
Summary of the invention
The technical problem that the present invention will solve provides a kind of based on DSP uninterrupted power supply control system, through utilization digital signal processor (DSP) technology, realizes digital control DC UPS supply.
Technical scheme of the present invention is:
Based on DSP uninterrupted power supply control system; Comprise DSP core processor, isolating transformer, AC/DC module, charging circuit, storage battery, discharge circuit and DC/DC Voltage stabilizing module; Described isolating transformer is connected with the DC/DC Voltage stabilizing module through AC/DC module, DSP core processor successively; Described storage battery is connected with the DSP core processor through charging circuit, discharge circuit respectively, and storage battery directly is connected with the DSP core processor.
Describedly also include the communication module that is connected with the DSP core processor based on DSP uninterrupted power supply control system.
Describedly also include the human-computer interface module that is connected with the DSP core processor based on DSP uninterrupted power supply control system.
Described human-computer interface module includes TFT display screen and finger-impu system.
Advantage of the present invention:
, the present invention when the direct current normal power supply, charge a battery simultaneously, under the situation that direct current interrupts, can utilize storage battery to give power devices, assurance equipment can run well;
, overvoltage protection: when the DSP core processor detects the ac-powered overtension, cut off ac-powered, launch storage battery power supply, avoid overtension voltage damage equipment;
, overcurrent protection: when the DSP core processor detects electric current when excessive, cut off ac-powered, launch storage battery power supply;
, under-voltage protection: cross when low when the DSP core processor detects battery tension, cut off the output of storage battery, to reach the purpose of protection storage battery.
The present invention is through utilization digital signal processor (DSP) technology; Realize digital control DC UPS supply; The characteristic of power control system system can obtain changing timely; Thereby increased the speed that system responds flexibly fast, improved uninterrupted power supply reliability of operation and maintainability.
Description of drawings
Theory diagram of the present invention.
Embodiment
Based on DSP uninterrupted power supply control system, comprise DSP core processor 1, isolating transformer 2, AC/DC module 3, charging circuit 4, storage battery 5, discharge circuit 6, DC/DC Voltage stabilizing module 7, human-computer interface module 8 and communication module 9; Isolating transformer 2 is connected with DC/DC Voltage stabilizing module 7 through AC/DC module 3, DSP core processor 1 successively; Storage battery 5 is connected with DSP core processor 1 through charging circuit 4, discharge circuit 6 respectively; And storage battery 5 directly is connected with DSP core processor 1, and DSP core processor 1 detects the voltage of storage battery in real time.
DSP core processor 1 adopts the TMS320LF2407DSP of TI company production as the control core, and DSP core processor 1 adopts the static CMOS technology of high-performance, and supply power voltage 3.3V has low-power consumption, characteristics such as instruction cycle weak point;
Use principle of the present invention:
(1), the 220V alternating current inserts the input of isolating transformer 2; The output of isolating transformer 2 is connected to AC/DC module 3; AC/DC module 3 output galvanic currents are pressed, and this direct voltage is behind DSP core processor 1, and one the tunnel through 5 chargings of 4 pairs of storage batterys of charging circuit; Stored electric energy, another road obtains stable power output through DC/DC Voltage stabilizing module 7;
(2), DSP core processor 1 is used for detecting in real time the electric current and voltage of AC/DC module 3 outputs and the voltage of storage battery 5; When detecting the 220V ac outage; The electric energy that DSP core processor 1 control storage battery 5 will wherein be stored is through discharge circuit 6 discharges; Final through the 7 maintenance stable power outputs of DC/DC Voltage stabilizing module, realize the uninterrupted power supply function;
, overvoltage protection: when the DSP core processor detects the ac-powered overtension, cut off ac-powered, launch storage battery power supply, avoid overtension voltage damage equipment;
, overcurrent protection: when the DSP core processor detects electric current when excessive, cut off ac-powered, launch storage battery power supply;
, under-voltage protection: cross when low when the DSP core processor detects battery tension, cut off the output of storage battery, to reach the purpose of protection storage battery.
Human-computer interface module 8 includes 3.5 cun TFT display screen and finger-impu system; The TFT display screen is as display; And setting TFT screen works in the 16bit pattern; Accelerated message transmission rate greatly, can in time stable display system in data such as electric current and voltage value, equipment running and watt level, communication state displaying simultaneously.Finger-impu system is convenient to operating personnel's input instruction in system, also makes things convenient for the selection of display page and the setting of system parameters, can monitor system switching state, operational mode.
Communication module 9 adopts the Modbus communication protocol of industrial standard; Its CRC (CRC verification) verification has improved reliability of data transmission greatly; Reduce the transmission of data misinformation and misdata; Be convenient to network in other equipment networks communicate by letter, RS485 bus that can the long-distance transmissions data realizes communication on-the-spot and host computer.

Claims (4)

1. based on DSP uninterrupted power supply control system; It is characterized in that: comprise DSP core processor, isolating transformer, AC/DC module, charging circuit, storage battery, discharge circuit and DC/DC Voltage stabilizing module; Described isolating transformer is connected with the DC/DC Voltage stabilizing module through AC/DC module, DSP core processor successively; Described storage battery is connected with the DSP core processor through charging circuit, discharge circuit respectively, and storage battery directly is connected with the DSP core processor.
2. according to claim 1 based on DSP uninterrupted power supply control system, it is characterized in that: describedly also include the communication module that is connected with the DSP core processor based on DSP uninterrupted power supply control system.
3. according to claim 1 based on DSP uninterrupted power supply control system, it is characterized in that: describedly also include the human-computer interface module that is connected with the DSP core processor based on DSP uninterrupted power supply control system.
4. according to claim 3 based on DSP uninterrupted power supply control system, it is characterized in that: described human-computer interface module includes TFT display screen and finger-impu system.
CN 201210354107 2012-09-21 2012-09-21 DSP (digital signal processor) based control system of uninterrupted power supply Pending CN102820697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210354107 CN102820697A (en) 2012-09-21 2012-09-21 DSP (digital signal processor) based control system of uninterrupted power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210354107 CN102820697A (en) 2012-09-21 2012-09-21 DSP (digital signal processor) based control system of uninterrupted power supply

Publications (1)

Publication Number Publication Date
CN102820697A true CN102820697A (en) 2012-12-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201210354107 Pending CN102820697A (en) 2012-09-21 2012-09-21 DSP (digital signal processor) based control system of uninterrupted power supply

Country Status (1)

Country Link
CN (1) CN102820697A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281554A (en) * 2015-12-10 2016-01-27 深圳易信科技股份有限公司 AC/DC input uninterruptible power supply
CN105958634A (en) * 2016-07-07 2016-09-21 安徽超远信息技术有限公司 Miniature UPS power supply
CN106464128A (en) * 2016-05-23 2017-02-22 深圳市锐明技术股份有限公司 Power fail safeguard circuit for equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281554A (en) * 2015-12-10 2016-01-27 深圳易信科技股份有限公司 AC/DC input uninterruptible power supply
CN106464128A (en) * 2016-05-23 2017-02-22 深圳市锐明技术股份有限公司 Power fail safeguard circuit for equipment
WO2017201658A1 (en) * 2016-05-23 2017-11-30 深圳市锐明技术股份有限公司 Power-down protection circuit of device
CN106464128B (en) * 2016-05-23 2019-05-28 深圳市锐明技术股份有限公司 A kind of power failure protection of equipment circuit
CN105958634A (en) * 2016-07-07 2016-09-21 安徽超远信息技术有限公司 Miniature UPS power supply

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Application publication date: 20121212