CN103414248A - On-line monitor device for low-voltage alternating-current draw-out type switch cabinet - Google Patents
On-line monitor device for low-voltage alternating-current draw-out type switch cabinet Download PDFInfo
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- CN103414248A CN103414248A CN2013103317502A CN201310331750A CN103414248A CN 103414248 A CN103414248 A CN 103414248A CN 2013103317502 A CN2013103317502 A CN 2013103317502A CN 201310331750 A CN201310331750 A CN 201310331750A CN 103414248 A CN103414248 A CN 103414248A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
An on-line monitor device for a low-voltage alternating-current draw-out type switch cabinet is characterized in that a data collecting module, an A/D converter, a DSP control platform, a CAN bus communication serial port, a display module, an upper computer and an external power module are included; the data collecting module transmits collected data to the DSP control platform through the A/D converter, the DSP control platform carries out processing and transverse comparison on the received data and sends the data to the LCD display module and the upper computer through the CAN bus communication serial port, and the external power module supplies power to the DSP control platform. The on-line monitor device for the low-voltage alternating-current draw-out type switch cabinet has the advantages that the operation condition of the switch cabinet can be monitored in real time more conveniently, the transverse comparison is carried out on the current data and historical data, alarming is carried out if a preset value is exceeded, and working personnel can carry out monitoring conveniently.
Description
Technical field
This invention relates to a kind of switch cubicle on-line monitoring system, particularly a kind of a kind of novel, intelligent low-voltage alternating-current draw out switchgear cabinet on-line monitoring system that the DSP control technology is applied to low-tension switch cabinet.
Background technology
Low-voltage alternating-current draw out switchgear cabinet is a kind of electric equipment commonly used, by fixing cabinet and mobile unit that the major electrical equipment element such as switch is housed, partly formed, main by the combination of circuit breaker, thermal relay, fuse, instrument transformer and various electrical instruments, realize the function of distribution, control.It is widely used in the distribution system of the industries such as power plant, oil, chemical industry, metallurgy, weaving, skyscraper.Because current low-voltage alternating-current draw out switchgear cabinet is furnished with a lot of instrument usually, not only give and produce, store, keep in repair and brought inconvenience, the potential safety hazard of existence to the staff, and can't realize intelligent on-line monitoring.
Along with the high speed development of informationized society, require low-voltage alternating-current draw out switchgear cabinet to have the function that reliability is high, real-time, fail safe is good.Want to demonstrate intuitively the state of each parts in switch cubicle, automatically complete the acquisition and processing of data in cabinet, realize low-voltage alternating-current draw out switchgear cabinet on-line monitoring.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide a kind of draw out switchgear of low-voltage alternating-current based on DSP data processing technique cabinet on-Line Monitor Device.The operation conditions of monitoring switch cabinet more real-time and easily, and current data and historical data are carried out to across comparison, if exceed default value, report to the police, facilitate the staff to monitor.
Technical scheme: a kind of low-voltage alternating-current draw out switchgear cabinet on-Line Monitor Device comprises that data acquisition module, A/D converter, DSP control platform, CAN bus communication serial ports, display module, host computer and external power supply module; The data that data acquisition module will collect are transferred to DSP through A/D converter and control platform, the data that DSP control platform will receive are processed and laterally after comparison, data are sent to LCD display module and host computer by CAN bus communication serial ports, and the external power supply module is controlled platform power to DSP; Described data acquisition module comprises the three-phase voltage transducer, three-phase current sensor, busbar temperature transducer, cabinet temperature sensor, contact of breaker temperature sensor.
The present invention also comprises the alarm module be connected with DSP control platform.DSP controls platform and is powered by the external power source module, is responsible for processing from the data that data acquisition module receives, and carries out lateral comparison with historical numerical value, and the data after processing are sent to the LCD display module, facilitates the staff to monitor.If exceed default value DSP control platform and send instruction to alarm module, alarm module is reported to the police after receiving instruction.The data that DSP will control after platform also will will be processed by CAN bus communication serial ports send to upper computer module.
Described three-phase voltage transducer comprises A phase voltage transducer, B phase voltage transducer and C phase voltage transducer, and A phase voltage transducer, B phase voltage transducer and C phase voltage transducer send DSP to control platform measurement data by A/D converter; Three-phase current sensor comprises A phase current transducer, B phase current transducer and C phase current transducer, and A phase current transducer, B phase current transducer and C phase current transducer send DSP to control platform measurement data by A/D converter; The busbar temperature transducer comprises A phase busbar temperature transducer, B phase busbar temperature transducer and C phase busbar temperature transducer, and A phase busbar temperature transducer, B phase busbar temperature transducer and C phase busbar temperature transducer send DSP to control platform measurement data by A/D converter.
The chip that described DSP controls the platform employing is the TMS320F28335 of TI company.The data that DPS control platform will receive are processed and laterally after comparison, data are sent to LCD display module and upper computer module by CAN bus communication serial ports.
Beneficial effect: the present invention can overcome current low-voltage alternating-current draw out switchgear cabinet and usually be furnished with a lot of instrument, gives and produces, stores, keeps in repair and brought inconvenient shortcoming.Adopt the DSP data processing technique effectively the every data in switch cubicle to be processed and laterally comparison; data are sent to host computer; facilitate the staff to carry out real-time monitoring, and if data exception can also report to the police and facilitate the staff to safeguard.
The accompanying drawing explanation
Fig. 1 is control principle drawing of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of low-voltage alternating-current draw out switchgear cabinet on-Line Monitor Device, comprise that data acquisition module, A/D converter, DSP control platform, CAN bus communication serial ports, display module, host computer and external power supply module, and control with DSP the alarm module that platform is connected; The data that data acquisition module will collect are transferred to DSP through A/D converter and control platform, the data that DSP control platform will receive are processed and laterally after comparison, data are sent to LCD display module and host computer by CAN bus communication serial ports, and the external power supply module is controlled platform power to DSP; Described data acquisition module comprises the three-phase voltage transducer, three-phase current sensor, busbar temperature transducer, cabinet temperature sensor, contact of breaker temperature sensor.Described three-phase voltage transducer comprises A phase voltage transducer, B phase voltage transducer and C phase voltage transducer, and A phase voltage transducer, B phase voltage transducer and C phase voltage transducer send DSP to control platform measurement data by A/D converter; Three-phase current sensor comprises A phase current transducer, B phase current transducer and C phase current transducer, and A phase current transducer, B phase current transducer and C phase current transducer send DSP to control platform measurement data by A/D converter; The busbar temperature transducer comprises A phase busbar temperature transducer, B phase busbar temperature transducer and C phase busbar temperature transducer, and A phase busbar temperature transducer, B phase busbar temperature transducer and C phase busbar temperature transducer send DSP to control platform measurement data by A/D converter.
By the running status of each sensor measurement low-voltage alternating-current draw out switchgear cabinet of data acquisition module, and measurement data is transferred to DSP control platform through A/D converter.DSP controls the data that platform will receive and processes, and running status and the fault-alarming state of judgement low-voltage alternating-current draw out switchgear cabinet are reported to the police the fault-alarming state alert module of delivering newspaper; And running status is sent to LDC display module and upper computer module by CAN bus communication serial ports, the staff can monitor switch cubicle by host computer.
A phase busbar temperature transducer, B phase busbar temperature transducer, C phase busbar temperature transducer all adopt the plug-type temperature sensor of siemens company; Cabinet temperature sensor, contact of breaker temperature sensor all adopt the SMD temperature sensor of siemens company.
Claims (3)
1. a low-voltage alternating-current draw out switchgear cabinet on-Line Monitor Device, is characterized in that: comprise that data acquisition module, A/D converter, DSP control platform, CAN bus communication serial ports, display module, host computer and external power supply module; The data that data acquisition module will collect are transferred to DSP through A/D converter and control platform, the data that DSP control platform will receive are processed and laterally after comparison, data are sent to LCD display module and host computer by CAN bus communication serial ports, and the external power supply module is controlled platform power to DSP; Described data acquisition module comprises the three-phase voltage transducer, three-phase current sensor, busbar temperature transducer, cabinet temperature sensor, contact of breaker temperature sensor.
2. low-voltage alternating-current draw out switchgear cabinet on-Line Monitor Device according to claim 1, is characterized in that: also comprise with DSP and control the alarm module that platform is connected.
3. low-voltage alternating-current draw out switchgear cabinet on-Line Monitor Device according to claim 1 and 2, it is characterized in that: described three-phase voltage transducer comprises A phase voltage transducer, B phase voltage transducer and C phase voltage transducer, and A phase voltage transducer, B phase voltage transducer and C phase voltage transducer send DSP to control platform measurement data by A/D converter; Three-phase current sensor comprises A phase current transducer, B phase current transducer and C phase current transducer, and A phase current transducer, B phase current transducer and C phase current transducer send DSP to control platform measurement data by A/D converter; The busbar temperature transducer comprises A phase busbar temperature transducer, B phase busbar temperature transducer and C phase busbar temperature transducer, and A phase busbar temperature transducer, B phase busbar temperature transducer and C phase busbar temperature transducer send DSP to control platform measurement data by A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103317502A CN103414248A (en) | 2013-08-02 | 2013-08-02 | On-line monitor device for low-voltage alternating-current draw-out type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103317502A CN103414248A (en) | 2013-08-02 | 2013-08-02 | On-line monitor device for low-voltage alternating-current draw-out type switch cabinet |
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| Publication Number | Publication Date |
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| CN103414248A true CN103414248A (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103317502A Pending CN103414248A (en) | 2013-08-02 | 2013-08-02 | On-line monitor device for low-voltage alternating-current draw-out type switch cabinet |
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| CN (1) | CN103414248A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051666A (en) * | 2017-11-21 | 2018-05-18 | 北京智芯微电子科技有限公司 | Non-contact type signal gathers sensor and low pressure branch switch cabinet state monitoring apparatus |
| CN111030300A (en) * | 2019-12-17 | 2020-04-17 | 国网安徽省电力有限公司电力科学研究院 | Circuit breaker and circuit breaker system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887551U (en) * | 2010-11-29 | 2011-06-29 | 厦门安达兴电气有限公司 | Monitor and control device for medium and high-voltage switch cabinet |
| CN202276194U (en) * | 2011-10-14 | 2012-06-13 | 安徽一天电气技术有限公司 | Online medium voltage switch cabinet monitoring device |
| CN102868221A (en) * | 2012-09-13 | 2013-01-09 | 武汉瑞莱保能源技术有限公司 | Intelligent drawer switch cabinet |
| CN203434746U (en) * | 2013-08-02 | 2014-02-12 | 中科天工电气控股有限公司 | Low pressure AC draw-out type switchgear on-line monitoring device |
-
2013
- 2013-08-02 CN CN2013103317502A patent/CN103414248A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887551U (en) * | 2010-11-29 | 2011-06-29 | 厦门安达兴电气有限公司 | Monitor and control device for medium and high-voltage switch cabinet |
| CN202276194U (en) * | 2011-10-14 | 2012-06-13 | 安徽一天电气技术有限公司 | Online medium voltage switch cabinet monitoring device |
| CN102868221A (en) * | 2012-09-13 | 2013-01-09 | 武汉瑞莱保能源技术有限公司 | Intelligent drawer switch cabinet |
| CN203434746U (en) * | 2013-08-02 | 2014-02-12 | 中科天工电气控股有限公司 | Low pressure AC draw-out type switchgear on-line monitoring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051666A (en) * | 2017-11-21 | 2018-05-18 | 北京智芯微电子科技有限公司 | Non-contact type signal gathers sensor and low pressure branch switch cabinet state monitoring apparatus |
| CN111030300A (en) * | 2019-12-17 | 2020-04-17 | 国网安徽省电力有限公司电力科学研究院 | Circuit breaker and circuit breaker system |
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Application publication date: 20131127 |