CN203434746U - Low pressure AC draw-out type switchgear on-line monitoring device - Google Patents
Low pressure AC draw-out type switchgear on-line monitoring device Download PDFInfo
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- CN203434746U CN203434746U CN201320467285.0U CN201320467285U CN203434746U CN 203434746 U CN203434746 U CN 203434746U CN 201320467285 U CN201320467285 U CN 201320467285U CN 203434746 U CN203434746 U CN 203434746U
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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
Provided is a low pressure AC draw-out type switchgear on-line monitoring apparatus, characterized by comprising a data acquisition module, an A/D converter, a DSP control platform, a CAN bus communication serial port, a display module, a host computer and an external connection power supply; the data acquisition module transmits collected data to the DSP control platform through the A/D converter; the DSP control platform performs processing and crosswise contrast on received data and then sends the data to the LCD display module and the host computer through the CAN bus communication serial port; the external connection power supply module supplies power for the DSP control platform. The beneficial effects are that the low pressure AC draw-out type switchgear on-line monitoring apparatus can more conveniently monitor operation statuses of a switchgear in real time and perform crosswise contrast between current data and historic data; if the current data exceeds a preset value, an alarm is given to provide convenience for works to perform monitoring.
Description
Technical field
This utility model 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 DSP control technology is applied to low-tension switch cabinet.
Background technology
Low-voltage alternating-current draw out switchgear cabinet is a kind of conventional electric equipment, by the cabinet of fixing and the mobile unit that the major electrical equipment elements such as switch are 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 conventionally, not only give and produce, store, keep in repair and brought inconvenience, the potential safety hazard of existence to staff, and cannot realize intelligent on-line monitoring.
Along with the high speed development of informationized society, require low-voltage alternating-current draw out switchgear cabinet to there is 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 utility model is to provide a kind of low-voltage alternating-current draw out switchgear cabinet on-Line Monitor Device based on DSP data processing technique.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 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; Data acquisition module is transferred to DSP by the data that collect through A/D converter and controls platform, DSP controls platform and the data that receive is processed and laterally after comparison, data are sent to LCD display module and host computer by CAN bus communication serial ports, and external power supply module is controlled platform power to DSP; Described data acquisition module comprises three-phase voltage transducer, three-phase current sensor, busbar temperature transducer, cabinet temperature sensor, contact of breaker temperature sensor.
The utility model also comprises with DSP controls the alarm module that platform is connected.DSP controls platform and is powered by external power source module, is responsible for the data that receive from data acquisition module to process, and carries out lateral comparison with historical numerical value, and the data after processing are sent to LCD display module, facilitates 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.DSP controls platform also will send to upper computer module by the data after processing by CAN bus communication serial ports.
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; 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.
Described DSP controls the TMS320F28335 of the chip WeiTI company of platform employing.DPS controls platform and the data that receive is 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 utility model can overcome current low-voltage alternating-current draw out switchgear cabinet and conventionally be furnished with a lot of instrument, gives and produces, stores, keeps in repair and brought inconvenient shortcoming.Adopt DSP data processing technique effectively the every data in switch cubicle to be processed and laterally comparison; data are sent to host computer; facilitate staff to carry out real-time monitoring, and if data exception can also report to the police and facilitate staff to safeguard.
Accompanying drawing explanation
Fig. 1 is control principle drawing of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
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; Data acquisition module is transferred to DSP by the data that collect through A/D converter and controls platform, DSP controls platform and the data that receive is processed and laterally after comparison, data are sent to LCD display module and host computer by CAN bus communication serial ports, and external power supply module is controlled platform power to DSP; Described data acquisition module comprises 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; 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 platform the data that receive is processed, and running status and the fault-alarming state of judgement low-voltage alternating-current draw out switchgear cabinet, send alarm module to report to the police fault-alarming state; And running status is sent to LDC display module and upper computer module by CAN bus communication serial ports, 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; Data acquisition module is transferred to DSP by the data that collect through A/D converter and controls platform, DSP controls platform and the data that receive is processed and laterally after comparison, data are sent to LCD display module and host computer by CAN bus communication serial ports, and external power supply module is controlled platform power to DSP; Described data acquisition module comprises 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, 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; 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 |
|---|---|---|---|
| CN201320467285.0U CN203434746U (en) | 2013-08-02 | 2013-08-02 | Low pressure AC draw-out type switchgear on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467285.0U CN203434746U (en) | 2013-08-02 | 2013-08-02 | Low pressure AC draw-out type switchgear on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434746U true CN203434746U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467285.0U Expired - Lifetime CN203434746U (en) | 2013-08-02 | 2013-08-02 | Low pressure AC draw-out type switchgear on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414248A (en) * | 2013-08-02 | 2013-11-27 | 中科天工电气控股有限公司 | On-line monitor device for low-voltage alternating-current draw-out type switch cabinet |
| CN104502772A (en) * | 2014-12-29 | 2015-04-08 | 浙江群力电气有限公司 | Electrical parameter monitoring device and intelligent switch cabinet |
-
2013
- 2013-08-02 CN CN201320467285.0U patent/CN203434746U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414248A (en) * | 2013-08-02 | 2013-11-27 | 中科天工电气控股有限公司 | On-line monitor device for low-voltage alternating-current draw-out type switch cabinet |
| CN104502772A (en) * | 2014-12-29 | 2015-04-08 | 浙江群力电气有限公司 | Electrical parameter monitoring device and intelligent switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |