CN2667778Y - Intelligent electric comprehensive monitoring device - Google Patents
Intelligent electric comprehensive monitoring device Download PDFInfo
- Publication number
- CN2667778Y CN2667778Y CN 200320128772 CN200320128772U CN2667778Y CN 2667778 Y CN2667778 Y CN 2667778Y CN 200320128772 CN200320128772 CN 200320128772 CN 200320128772 U CN200320128772 U CN 200320128772U CN 2667778 Y CN2667778 Y CN 2667778Y
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- cpu
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- input unit
- bus driver
- electric power
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- Expired - Fee Related
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Abstract
The utility model relates to an intelligent electric power integration monitoring device of a distribution room and a feeder, comprising a CPU control unit with an A/D analog and digital converter, a sampled signal simulation quantity input unit of alternating electric power, a switch quantity input unit, a relay control output unit, a memory unit and a communication bus driving unit. Changing the traditional mode of the simulation data record and full personnel monitoring in the prior distribution system, the technology adopted in the utility model completely provides a measuring function, a protection function and a network communication function, having the technical characteristics of high measuring precision, strong network modeling capability, small volume, easy assembly and high reliability.
Description
Technical field
The utility model relates to will be at the intelligent terminal on switchgear house, the feeder line, can with the main website communication in a distant place, the service data of controller switching equipment is sent to main website, can also accept the control command of main website, controller switching equipment is controlled and is regulated.
Background technology
The existing power supervising device still adopts traditional analogue measurement and relay control model, its measurement means and monitoring means all are difficult to adapt to the demand of modern extensive Comprehensive Control, precision is low, a little less than the poor reliability, control ability, particularly can not realize network communication, constitute distributed combined power operational system.So prior art is also imperfect.
The utility model content
In order to solve measurement and the monitoring mode tradition that existing power monitoring technology exists, be difficult to constitute the technology disadvantage of organic comprehensive monitoring system, the utility model provides a kind of intelligent electric power integrated monitoring apparatus technical scheme, the major technique content of this technical scheme is: this intelligent comprehensive electric force monitoring apparatus includes the CPU control unit that the A/D analog to digital converter is set, analog input unit, the switching value input unit, the relay output unit, memory unit and communication bus driver element, its analog input unit is that sensing is arranged at voltage transformer summation current transformer on the three-phase power line and the A/D ALT-CH alternate channel of CPU is connected to form, its switching value input unit is by the power circuit circuit breaker sense switch on each signal terminal that is connected in CPU element, the relay output unit closes a floodgate for the realization power circuit breaker on each signal terminal that is arranged at CPU element with the CPU relay control mode respectively, the switch of separating brake is carried out circuit, and the communication bus driver element is that the bus driver that is arranged at the CPU serial line interface constitutes.
It is central control unit that intelligent electric power integrated monitoring apparatus of the present utility model adopts microprocessor, by the dual sensing detection that exchanges of electric current and voltage, the CPU internal data is handled and program control, can realize three-phase/single-phase electrical measurement, requirement is measured, harmonic analysis, out-of-limit control, the switching value I/O, the electric weight change is sent, network communication is in one, both can use as the network electric parameters transducer separately, also can be used as the part of electric power monitoring system, realize the remote control monitoring function, its volume is little, it is little to take up room, can expand the Subminature multifunctional display unit, can with RTU, PLC and multiple microcomputer industry control group realize network communication, constitute distributed integrated operation system.Because present technique is provided with power measurement, protecting electrical power system and electric power signal communication function comprehensively; and have high measurement accuracy, easy for installation, networking capability is strong, reliability is high technological merit, thereby can be widely used for using as power automatic system monitoring, industrial automation electric power system, energy for factory management system, distributed comprehensive coulomb collection system, post and telecommunications, railway load monitoring, intelligent switch cubicle, distribution board.
Description of drawings
Fig. 1 is the structure composition frame chart of this intelligent electric power integrated monitoring apparatus
Fig. 2 is the circuit theory diagrams of this intelligent electric power integrated monitoring apparatus.
Embodiment
This intelligent electric power integrated monitoring apparatus is that the CPU with built-in A/D analog to digital converter is a central control unit, can select the 80C196KC singlechip chip of Intel Company for use, the 12MHZ crystal oscillator, integrated of external serial EEPROM and house dog 5045, mainly finish electrification reset and the parameter of preserving user's setting, station address, identifier, various parameter values etc., to avoid the power down loss of data.Its periphery is provided with analog input unit, switching value input unit, relay output unit, memory unit and bus driver unit.Its analog input unit includes sensing respectively and is arranged at voltage transformer CT summation current transformer PT on the electric power triple line as sensing element, link to each other with analog input interface end 101-106, the 108-111 of CPU, the A/D ALT-CH alternate channel built-in with CPU is connected to form the AC sampling input, detect the three-phase current signal of power circuit and the input of three-phase voltage signal respectively, so that carry out the electric weight relevant and calculate with voltage and the calculating of electric parameters such as power with electric current.The switching value input unit comprises that the sense switch branch road DI1 of the circuit-breaker status that is arranged at each power circuit of detection on each signal terminal of CPU and the common terminal COM of each branch road constitute, other branch road DI2, DI3, DI4 can be used as the expansion mouth of this single-chip microcomputer, realize the input of remote signal.Present embodiment, single-chip microcomputer adopts relay instruction output control mode to constitute the relay output unit, it comprises the branch of controlling circuit breaker, the double switch instruction output end OUT1, the OUT2 that close control and the out-of-limit switch command of electric power signal control output end 201,202,203, and its output control mode can be made as two kinds of level control mode and pulse control modes according to different actuating equipments.Its bus driver unit is that the bus driver that is arranged at single-chip microcomputer serial line interface 216,217,218 constitutes, link and constitute half-duplex RS 485 interfaces, be used for network communication, for avoiding the phase mutual interference, be provided with the photoelectricity isolated location between the serial interface of bus driver and CPU simultaneously.Its memory unit includes memory under program and data memory, is used for fixing storage system program and important parameter.
Claims (3)
1, a kind of intelligent electric power integrated monitoring apparatus, it is characterized in that it includes the CPU control unit that the A/D analog to digital converter is set, analog input unit, the switching value input unit, the relay output unit, memory unit and communication bus driver element, its analog input unit is that sensing is arranged at voltage transformer summation current transformer on the three-phase power line and the A/D ALT-CH alternate channel of CPU is connected to form, its switching value input unit is by the power circuit circuit breaker sense switch on each signal terminal that is connected in CPU element, the relay output unit closes a floodgate for the realization power circuit breaker on each signal terminal that is arranged at CPU element with the CPU relay control mode respectively, the switch of separating brake is carried out circuit, and the communication bus driver element is that the bus driver that is arranged at the CPU serial line interface constitutes.
2, supervising device according to claim 1 is characterized in that the external serial of CPU control unit is provided with integrated of EEPROM and house dog 5045.
3, supervising device according to claim 1 is characterized in that being provided with the photoelectricity isolated location between the serial interface of bus driver and CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128772 CN2667778Y (en) | 2003-12-25 | 2003-12-25 | Intelligent electric comprehensive monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128772 CN2667778Y (en) | 2003-12-25 | 2003-12-25 | Intelligent electric comprehensive monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2667778Y true CN2667778Y (en) | 2004-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320128772 Expired - Fee Related CN2667778Y (en) | 2003-12-25 | 2003-12-25 | Intelligent electric comprehensive monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2667778Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429858C (en) * | 2005-02-03 | 2008-10-29 | 艾默生网络能源有限公司 | Remote oil machine, electric network monitoring device and its harmonic analysis monitoring method |
| CN102044858A (en) * | 2009-10-21 | 2011-05-04 | 郴州郴电科技有限公司 | Multifunctional controller |
| CN101599663B (en) * | 2009-07-07 | 2012-01-25 | 厦门士林电机有限公司 | Real-time control system for intelligent controller |
| CN103019137A (en) * | 2012-12-07 | 2013-04-03 | 江苏嘉钰新能源技术有限公司 | Extendable measurement channel switching circuit |
| CN104092291A (en) * | 2013-12-31 | 2014-10-08 | 厦门明翰电气股份有限公司 | Intelligent-distribution-network controller and control method thereof |
| CN105759733A (en) * | 2014-12-16 | 2016-07-13 | 南京采薇且歌信息科技有限公司 | Intelligent control platform for power system |
-
2003
- 2003-12-25 CN CN 200320128772 patent/CN2667778Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429858C (en) * | 2005-02-03 | 2008-10-29 | 艾默生网络能源有限公司 | Remote oil machine, electric network monitoring device and its harmonic analysis monitoring method |
| CN101599663B (en) * | 2009-07-07 | 2012-01-25 | 厦门士林电机有限公司 | Real-time control system for intelligent controller |
| CN102044858A (en) * | 2009-10-21 | 2011-05-04 | 郴州郴电科技有限公司 | Multifunctional controller |
| CN103019137A (en) * | 2012-12-07 | 2013-04-03 | 江苏嘉钰新能源技术有限公司 | Extendable measurement channel switching circuit |
| CN104092291A (en) * | 2013-12-31 | 2014-10-08 | 厦门明翰电气股份有限公司 | Intelligent-distribution-network controller and control method thereof |
| CN104092291B (en) * | 2013-12-31 | 2016-10-05 | 厦门明翰电气股份有限公司 | Intelligent network distribution controller and control method thereof |
| CN105759733A (en) * | 2014-12-16 | 2016-07-13 | 南京采薇且歌信息科技有限公司 | Intelligent control platform for power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041229 Termination date: 20121225 |