CN104678255A - Intelligent electrical measuring instrument control system - Google Patents
Intelligent electrical measuring instrument control system Download PDFInfo
- Publication number
- CN104678255A CN104678255A CN201310639195.XA CN201310639195A CN104678255A CN 104678255 A CN104678255 A CN 104678255A CN 201310639195 A CN201310639195 A CN 201310639195A CN 104678255 A CN104678255 A CN 104678255A
- Authority
- CN
- China
- Prior art keywords
- circuit
- chip microcomputer
- control system
- instrument control
- input end
- 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
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an intelligent electrical measuring instrument control system, which comprises a switching value acquisition circuit, a sampling circuit, a keying circuit, a displayer and a single chip microcomputer, wherein the switching value acquisition circuit, the sampling circuit and the keying circuit are respectively connected with the input end of the single chip microcomputer; the input end of the single chip microcomputer is also connected with a data storage device and a communication interface in both-way communication with a monitoring center computer; the displayer is connected with the output end of the single chip microcomputer; the output end of the single chip microcomputer is also connected with an alarm circuit, a lightning protection circuit and an LED (Light-emitting Diode) indicator light for indicating the working state of the system. The intelligent electrical measuring instrument control system is simple in structure and reasonable in design, various circuit signals on power lines can be monitored in real time, circuit faults can be alarmed in time, workers can overhaul in time, the loss is reduced, the normal operation of an electrical power system is ensured, remote monitoring can be realized, the intelligent degree is high, the using effect is good, and the popularization value is high.
Description
Technical field
The invention belongs to measuring instrument technical field, especially relate to a kind of intelligent electrical measurement instrument control system.
Background technology
The development of electric system and safe and stable operation bring huge power benefit to national economy and social development, once there is nature or artificial fault in electric system, can not be controlled in time, system loss of stability will be made, main equipment is caused to damage, electric network from collapsing, cause large-area power-cuts, serious consequence is brought to system and society, relay protection is the important means ensureing that power system safety and stability runs, the Microcomputer Protection of one of its ingredient serves vital role, but most integrated circuit is measured and is tested parameters respectively, make the complicated structure of its peripheral circuit, control procedure is complicated, measuring accuracy and measurement range are restricted.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, and provide a kind of intelligent electrical measurement instrument control system, its structure is simple, reasonable in design, Real-Time Monitoring can be carried out to the various circuit signals on power circuit, can carry out and alarm fault, staff is overhauled in time, reduce loss, ensure the normal operation of electric system, and can realize remote monitoring, intelligence degree is high, result of use is good, and promotional value is high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of intelligent electrical measurement instrument control system, it is characterized in that: comprise switch quantity acquisition circuit, for gathering the sample circuit of circuit signal on power circuit, for the key circuit of setup parameter value, for showing the display of testing result information and the single-chip microcomputer for controlling whole system operation, described switch quantity acquisition circuit, sample circuit and key circuit all connect with the input end of single-chip microcomputer, described switch quantity acquisition circuit is connected with the input end of single-chip microcomputer by optical coupling isolator, described sample circuit passes through filtering circuit successively, amplifying circuit and A/D change-over circuit connect with the input end of single-chip microcomputer, the input end of described single-chip microcomputer is also connected to the data-carrier store for parameter information, for carrying out the communication interface of two-way communication and the power module for powering for each unit module with Surveillance center computing machine, described display is connected with the output terminal of single-chip microcomputer by driver module, the output terminal of described single-chip microcomputer is also connected to the LED light being used to indicate working state of system, for when detect data exceed preset parameter value time send warning message warning circuit and for carrying out lightning protected lightning protected circuit to measuring instrument.
Above-mentioned one intelligence electrical measurement instrument control system, is characterized in that: described single-chip microcomputer is MPS430 single-chip microcomputer.
Above-mentioned one intelligence electrical measurement instrument control system, is characterized in that: described communication interface is RS485 bus interface.
Above-mentioned, it is characterized in that a kind of intelligent electrical measurement instrument control system: described warning circuit is audible-visual annunciator.
The present invention compared with prior art has the following advantages:
1, structure of the present invention is simple, reasonable in design, easy for installation.
2, the present invention can detect in real time to circuit signal various on power circuit, testing result is precisely effective, and when circuit breaks down, warning message can be sent in time, relevant staff is made to take corresponding maintenance measure in time, thus the loss brought because of power failure is dropped to minimum, ensure that electric system normally runs.
3, integration degree of the present invention is high, and peripheral circuit structure is simple, and control procedure simplifies greatly, thus makes simple and convenient.
4, the present invention is transmitted data by RS485 communication interface, achieves remote monitoring, and has good real-time, stable and reliable working performance.
5, intelligence degree of the present invention is high, and result of use is good, and promotional value is high.
In sum, structure of the present invention is simple, reasonable in design, can carry out Real-Time Monitoring to the various circuit signals on power circuit, can carry out and alarm fault, staff is overhauled in time, reduces loss, ensure the normal operation of electric system, and can remote monitoring be realized, intelligence degree is high, and result of use is good, and promotional value is high.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Description of reference numerals:
1-single-chip microcomputer; 2-switch quantity acquisition circuit; 3-sample circuit;
4-data-carrier store; 5-key circuit; 6-display;
7-LED light; 8-warning circuit; 9-lightning protected circuit;
10-communication interface; 11-optical coupling isolator; 12-filtering circuit;
13-amplifying circuit; 14-A/D change-over circuit; 15-driver module;
16-LED drive module; 17-power module; 18-Surveillance center computing machine.
Embodiment
As shown in Figure 1, the present invention includes switch quantity acquisition circuit 2, for gathering the sample circuit 3 of circuit signal on power circuit, for the key circuit 5 of setup parameter value, for showing the display 6 of testing result information and the single-chip microcomputer 1 for controlling whole system operation, described switch quantity acquisition circuit 2, sample circuit 3 and key circuit 5 all connect with the input end of single-chip microcomputer 1, described switch quantity acquisition circuit 2 is connected by the input end of optical coupling isolator 11 with single-chip microcomputer 1, described sample circuit 3 is successively by filtering circuit 12, amplifying circuit 13 and A/D change-over circuit 14 connect with the input end of single-chip microcomputer 1, the input end of described single-chip microcomputer 1 is also connected to the data-carrier store 4 for parameter information, for carrying out the communication interface 10 of two-way communication and the power module 17 for powering for each unit module with Surveillance center computing machine 18, described display 6 is connected by the output terminal of driver module 15 with single-chip microcomputer 1, the output terminal of described single-chip microcomputer 1 is also connected to the LED light 7 being used to indicate working state of system, for when detect data exceed preset parameter value time send warning message warning circuit 8 and for carrying out lightning protected lightning protected circuit 9 to measuring instrument.
In the present embodiment, described single-chip microcomputer 1 is MPS430 single-chip microcomputer.Described communication interface 10 is RS485 bus interface.Described warning circuit 8 is audible-visual annunciator.
Principle of work of the present invention is: start up system, circuit information on sample circuit 3 pairs of power circuits gathers, and the data message of collection is passed to single-chip microcomputer 1, switch quantity acquisition circuit 2 gathers the on-off model of peripheral circuit, and the signal of collection is passed to single-chip microcomputer 1, after single-chip microcomputer 1 carries out analyzing and processing to all data messages, control display 6 pairs of testing results to show, by single-chip microcomputer 1, detected value and preset value are compared simultaneously, when detected value exceedes preset value, control warning circuit 8 by single-chip microcomputer 1 to report to the police, notify that staff overhauls in time, the data message of Real-Time Monitoring is uploaded to Surveillance center's computing machine 18 by communication interface 10 by single-chip microcomputer 1, and calculate 18 machines by Surveillance center system is controlled, realize remote monitoring.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. an intelligent electrical measurement instrument control system, it is characterized in that: comprise switch quantity acquisition circuit (2), for gathering the sample circuit (3) of circuit signal on power circuit, for the key circuit (5) of setup parameter value, for showing the display (6) of testing result information and the single-chip microcomputer (1) for controlling whole system operation, described switch quantity acquisition circuit (2), sample circuit (3) and key circuit (5) all connect with the input end of single-chip microcomputer (1), described switch quantity acquisition circuit (2) is connected by the input end of optical coupling isolator (11) with single-chip microcomputer (1), described sample circuit (3) is successively by filtering circuit (12), amplifying circuit (13) and A/D change-over circuit (14) connect with the input end of single-chip microcomputer (1), the input end of described single-chip microcomputer (1) is also connected to the data-carrier store (4) for parameter information, for carrying out the communication interface (10) of two-way communication and the power module (17) for powering for each unit module with Surveillance center's computing machine (18), described display (6) is connected by the output terminal of driver module (15) with single-chip microcomputer (1), the output terminal of described single-chip microcomputer (1) is also connected to the LED light (7) being used to indicate working state of system, for when detect data exceed preset parameter value time send warning message warning circuit (8) and for carrying out lightning protected lightning protected circuit (9) to measuring instrument.
2. according to one according to claim 1 intelligent electrical measurement instrument control system, it is characterized in that: described single-chip microcomputer (1) is MPS430 single-chip microcomputer.
3., according to the one intelligence electrical measurement instrument control system described in claim 1 or 2, it is characterized in that: described communication interface (10) is RS485 bus interface.
4., according to described in claim 1 or 2, it is characterized in that a kind of intelligent electrical measurement instrument control system: described warning circuit (8) is audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639195.XA CN104678255A (en) | 2013-11-30 | 2013-11-30 | Intelligent electrical measuring instrument control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639195.XA CN104678255A (en) | 2013-11-30 | 2013-11-30 | Intelligent electrical measuring instrument control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104678255A true CN104678255A (en) | 2015-06-03 |
Family
ID=53313594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310639195.XA Pending CN104678255A (en) | 2013-11-30 | 2013-11-30 | Intelligent electrical measuring instrument control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104678255A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160236A (en) * | 2016-08-30 | 2016-11-23 | 郑傲钢 | Power supply online monitoring system |
| CN107221912A (en) * | 2017-07-01 | 2017-09-29 | 合肥东玖电气有限公司 | A kind of computer integrated protection system |
| CN107402075A (en) * | 2017-07-01 | 2017-11-28 | 合肥东玖电气有限公司 | A kind of wireless temperature measuring device |
-
2013
- 2013-11-30 CN CN201310639195.XA patent/CN104678255A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160236A (en) * | 2016-08-30 | 2016-11-23 | 郑傲钢 | Power supply online monitoring system |
| CN107221912A (en) * | 2017-07-01 | 2017-09-29 | 合肥东玖电气有限公司 | A kind of computer integrated protection system |
| CN107402075A (en) * | 2017-07-01 | 2017-11-28 | 合肥东玖电气有限公司 | A kind of wireless temperature measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202533545U (en) | Power transmission network fault detection system based on internet of things technology | |
| CN203643533U (en) | Microcomputer type relay protection tester | |
| CN102411119B (en) | Intelligent monitoring device for temperature and insulation state of 330KV high-voltage cable in hydropower station | |
| CN204228887U (en) | A kind of power equipment and the comprehensive on-line monitoring system of transmission line malfunction | |
| CN203606424U (en) | On-line monitoring device for grounding current of transformer core | |
| CN204241594U (en) | A kind of real-time monitoring system for substation transformer operating condition | |
| CN202565022U (en) | Fault monitoring system capable of monitoring fault of electric power dispatching automation device | |
| CN201226019Y (en) | Current temperature on-line fault indicator | |
| CN104678255A (en) | Intelligent electrical measuring instrument control system | |
| CN205389136U (en) | Cable branch case standard management system | |
| CN203444057U (en) | Power transmission line fault indictor | |
| CN208059944U (en) | Substation's remote intelligent monitoring system based on PLC | |
| CN203310903U (en) | Transformer iron core earth current online monitor | |
| CN203117404U (en) | Dual-power-supply fault monitoring system | |
| CN205941681U (en) | ESD's direct current voltage detecting system in field of gas transmission station | |
| CN103310627B (en) | Carrier failure analyser and detection method thereof | |
| CN203178385U (en) | Doubling protection action consistency monitoring device | |
| CN206378569U (en) | A kind of voltage relay abnormal detector | |
| CN205210161U (en) | Optical fiber temperature fault indicator | |
| CN208459823U (en) | A kind of factory's power distribution station remote monitoring system | |
| CN203405532U (en) | Cable line fault indicator having current measuring function | |
| CN210376496U (en) | Super large current monitor | |
| CN104730360A (en) | Microcomputer type relay protection tester | |
| CN204087414U (en) | Electric fire monitoring system | |
| CN203165173U (en) | Intelligent centralized meter reading and self-inspection unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |