CN102841596B - Intelligent monitoring method for power cabinet door state - Google Patents
Intelligent monitoring method for power cabinet door state Download PDFInfo
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- CN102841596B CN102841596B CN201210366510.1A CN201210366510A CN102841596B CN 102841596 B CN102841596 B CN 102841596B CN 201210366510 A CN201210366510 A CN 201210366510A CN 102841596 B CN102841596 B CN 102841596B
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses an intelligent monitoring method for the power cabinet door state, which comprises the following steps of: a cabinet door status monitoring unit which takes a single chip microcomputer as a core control component and comprises a magnetic induction switch module, a timing chip, a radio frequency card-reading module and a wireless radio frequency module is installed in each power cabinet; the single chip microcomputer detects the switching status of the cabinet door of the power cabinet in real time by the magnetic induction switch module; when a door opening signal is received, the timing chip is immediately started; radio frequency card information carried by operating personnel is read by the radio frequency card-reading module; and the single chip microcomputer sends and stores the cabinet door number and the door opening and closing time of the opened power cabinet as well as the information of the operation personnel to a background server via a wireless radio frequency module. Compared with the traditional door lock monitoring method for the power cabinet door, the intelligent monitoring method for the power cabinet door state, which is disclosed by the invention, has the advantages of convenient equipment installation, long communication transmission distance and perfect monitoring function, and the working efficiency of the power cabinet maintenance and the management level of a power company can be greatly improved.
Description
Technical field
The present invention relates to a kind of method that the cabinet door state of electric power bin in unmanned distribution transforming power station is monitored, belong to switchgear technical field.
Background technology
At present, the door lock that the electric power bin in distribution transforming power station is all mounted with, work about electric power personnel carry out the operations such as examination and maintenance during to electric power bin, needs the key obtaining door lock, and operates according to existing flow process and specification.If but electric power bin quantity is more, workload is comparatively large, operates more loaded down with trivial details, adds that staff is unfamiliar with operating process and specification, thinks little of, so just easily there is the maloperation to electric power bin or operation lack of standardization, directly threaten the safe and reliable operation of electric system.Typical example is exactly forget after electric power bin is opened to close the door or closed to visit but not lock, and causes electric power bin easily by external factors disrupt, and the equipment in cabinet that occurs damages or power failure.
Although minority electric power bin has installed door lock monitoring device, existing door lock monitoring device has been all generally adopt wired mode (layout netting twine) to communicate, and connects up and constructs all cumbersome.Some door lock monitoring devices adopt ZigBee wireless technology to realize the transmission of monitoring information, because CC2430 and the CC2530 wireless radio frequency modules of ZigBee technology is operated in 2.4GHz frequency range, the penetration capacity of signal is poor, add the signal disturbing in electric power environmental, the transmission range of communication is very limited.
From the angle of Utilities Electric Co.'s management, in electric power bin maintenance process, company needs to confirm whether Operation and Maintenance personnel really reach on-the-spot and safeguard electric power bin on time, also needs certain mechanism to ensure that repair and maintenance step safety is carried out smoothly.Therefore be necessary to carry out necessary tracking and prompting to the cabinet door opening and closing state of electric power bin and the operating process of staff, improve the reliability that electric system is safeguarded, the unsafe condition of Timeliness coverage electric power bin, and after fault occurs, accurately search reason and determine the responsibility of related personnel.But because existing door lock monitoring device function is all more single, not there is the function of descending control, the information of switch gate operating personnel can not be gathered, therefore the monitoring of electric power bin is mainly realized by the video monitoring equipment of limited quantity, this just needs work about electric power personnel 24 hours on duty, checking monitoring, carrys out looking up the fault reason when there is power failure by having access to videograph.The relatively high and limited view of cost due to video equipment, and electric power bin quantity is more, position dispersion, these video equipments can not obtain good monitoring effect.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that a kind of equipment is easy for installation, communications distance and the good electric power bin cabinet door state intelligent monitoring method of monitoring effect.
The object of the invention is with following technical proposals realize:
A kind of electric power bin cabinet door state intelligent monitoring method, it comprises background server and be arranged on each electric power box cabinet door state monitoring means cashier's office in a shop, and it is control assembly and magnetic induction switch module, timing chip, radio frequency card reading module and the wireless radio frequency modules of core that described cabinet door state monitoring means comprises with single-chip microcomputer; The signal output part of described radio frequency card reading module and magnetic induction switch module connects the different input ports of single-chip microcomputer respectively, I/O, SCLK, RSET end of described timing chip connects P1.4, P1.5 and P1.6 port of single-chip microcomputer respectively, described wireless radio frequency modules adopts CC1110, and single-chip microcomputer is communicated with background server with public network interface module by wireless radio frequency modules, gateway node module;
Described cabinet door state monitoring means operates as follows:
Single-chip microcomputer detects the on off state of the cabinet door of electric power bin in real time by magnetic induction switch module, start timing chip immediately when receiving enabling signal and the radio-frequency card information of being carried by radio frequency card reading module read operation personnel, the information of the cabinet door of the electric power bin be opened number, switch gate time and operating personnel is sent to background server record by wireless radio frequency modules and preserves by single-chip microcomputer in time.
Above-mentioned electric power bin cabinet door state intelligent monitoring method, in cabinet door state monitoring means, be also provided with the sound alarm module that is connected with single-chip microcomputer and reply button, P00, P01, P02 and P03 end of described sound alarm module connects P2.0, P2.1, P2.2 and P2.3 port of single-chip microcomputer respectively, described response button one end ground connection, one end connects the P0.0 port of single-chip microcomputer;
Described sound alarm module and response button operate as follows:
Under cabinet door open mode, single-chip microcomputer controls sound alarm module according to the trigger pip that timing chip provides and sends cue by setting-up time interval, reminds operating personnel to carry out safety standard operation; When operating personnel operate according to the repair process known, control signal can be sent to single-chip microcomputer by response button, single-chip microcomputer controls the auditory tone cues that sound alarm module provides each step after receiving this signal, and the temporal information receiving control signal is sent to background server record by wireless radio frequency modules and preserves.
Above-mentioned electric power bin cabinet door state intelligent monitoring method, described magnetic induction switch module is arranged on electric power bin doorway;
By following mode operating between described magnetic induction switch module and single-chip microcomputer:
When the door opening state duration reach the longest threshold value of setting and magnetic induction switch module do not detect close gate signal time, Single-chip Controlling sound alarm module sends acoustic warning signal to operating personnel, and operating personnel remove this alarm signal by replying button; If operating personnel still remove caution signal by response button when the duration of alarm signal reaches setting value, then single-chip microcomputer sends abnormality alarming information by wireless radio frequency modules to background server, reminds staff's electric power bin abnormal conditions may occur.
The present invention adopts Wireless Telecom Equipment to information and the transmission such as on off state, running time, operating personnel of electric power bin, having site operation arranges simple and convenient, the advantages such as information transmission distance, ensure that accuracy and the validity of information acquisition.This system can monitor the on off state of electric power box cabinet door lock in time, whether the work of patrolling and examining understanding related personnel puts in place, the abnormal conditions of Timeliness coverage electric power bin, it not only has wireless transmission and the sound prompting alarm function of switch gate status information, but also to remove alarm signal by response button.
Door lock monitoring method with traditional electric power box cabinet is compared, present device is easy for installation, communications distance and monitoring function perfect, greatly can improve work efficiency and the management level of Utilities Electric Co. that electric power bin safeguards.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the system architecture schematic diagram of the present invention's monitoring device used;
Fig. 2 is the electrical schematic diagram of cabinet door state monitoring means;
Fig. 3 is the installation site schematic diagram of each parts of monitoring device;
Fig. 4 is the internal electrical schematic diagram of magnetic induction switch module U5.
In figure, each label is: 1, electric power bin; 2, door lock; 3, direct current supply module; U1, single-chip microcomputer; U2, radio frequency card reading module; U3, timing chip; U4, sound alarm module; U5, magnetic induction switch module; U6, wireless radio frequency modules; K, response button.
Embodiment
Present invention employs the prompting warning system in the monitoring of a kind of cabinet door state based on 433MHz frequency range radio-frequency module CC1110 and attended operation process, compare the wireless status monitoring device of the existing ZigBee radio-frequency module based on 2.4GHz frequency range, the penetration capacity of this system signal is better, under the prerequisite of equal transmit power, the distance that wireless transmission controls is farther, and function is more perfect.
Referring to Fig. 1, the present invention's monitoring device used is by background server and be arranged on each electric power box cabinet door state monitoring means cashier's office in a shop and form, each electric power bin is equipped with a set of wireless monitor unit based on 433MHz frequency range radio-frequency module CC1110, and each monitoring means comprises: magnetic induction switch module U5, timing chip U3, sound alarm module U4, response button K, radio frequency card reading module U2, CC1110 wireless radio frequency modules U6 and single-chip microcomputer U1 etc.Multiple electric power bin can share a CC1110 gateway node module, a public network interface module and a background server.Multiple CC1110 wireless radio frequency modules U6 and CC1110 gateway node module adopt SimpliciTI protocol stack composition Small Area Wireless Communication Networks to communicate.
Referring to Fig. 2, the electric signal transmission relation in cabinet door state monitoring means cabinet door state monitoring means and control planning:
After electric power bin is opened or closes, the switching signal of cabinet door is given single-chip microcomputer U1 by I/O mouth (prioritizing selection P2.5) by magnetic induction switch module U5.Single-chip microcomputer U1 sends Card Reader order or reading radio-frequency card information by I/O mouth (P1.0, P1.1 P1.2 and P1.3) to radio frequency card reading module U2.Single-chip microcomputer U1 controls the accurate timing of timing chip U3 by I/O mouth (P1.4, P1.5 and P1.6) or reads the clocking information of timing chip U3.
Single-chip microcomputer U1 controls sound alarm module U4 by I/O mouth (P2.0, P2.1, P2.2 and P2.3) and sends alarm signal every some cycles (install beforehand can change), reminds operating personnel to carry out safety standard operation in time.Operating personnel can send instruction by response button K to single-chip microcomputer U1, and single-chip microcomputer U1 controls sound alarm module U4 sends each step of repair process auditory tone cues according to order after receiving instruction.When exceeding certain time length (install beforehand can change) when operated, operating personnel need to press response button K will represent that the low level signal of safe operation is by I/O(P2.5) mouth sends to single-chip microcomputer U1.
In sound alarm module U4, the P01 of WT588D is defined as DATA data port, and P02 is that CS sheet selects mouth, and P03 is CLK clock mouth, and single-chip microcomputer U1 controls mouth by these three and controls WT588D.
The information such as the radio-frequency card information of switch gate status information, operating personnel, the concrete time of switch gate are sent to CC1110 wireless radio frequency modules U6 by RS232 serial ports by single-chip microcomputer U1, and the information received is sent to CC1110 gateway node module by CC1110 wireless radio frequency modules U6 more afterwards.After CC1110 wireless radio frequency modules U6 receives the relevant information of CC1110 gateway node module, send to single-chip microcomputer U1 by RS232 serial ports.
Technological means illustrates:
1) single-chip microcomputer U1 adopts C8051F340 family chip, comprises 4 16 digit counters/timers, two full duplex serial ports UART with the configuration of expansion baud rate, the internal RAM of Enhanced SPI port, nearly 4352 bytes, 128 byte special function register address spaces and nearly 40 I/O pins.The needs carrying out communicating and controlling between other module can be met completely.
2) magnetic induction switch module U5 adopts Hall-type CS3000 series of products (as CS3020).When two magnetic conduction circuitry are close to each other time, the switch of inside modules can close or disconnect, and the voltage at respective load two ends can change, thus produces the high/low change of incoming level.Single-chip microcomputer U1 just can judge the cabinet door opening and closing state of electric power bin according to the high/low level signal received.
3) device adopts radio-frequency (RF) tag identification RFID technique, uses radio frequency card reading module U2(S6700) read radio-frequency card information.In the present invention, radio frequency card reading module U2 is fixed, and radio-frequency module is operated in 13.56MHz frequency range, meets ISO14443 standard.
4) form the cordless communication network based on 433MHz frequency range between CC1110 wireless radio frequency modules U6 and CC1110 gateway node module, network adopts SimpliciTI protocol stack to realize starlike or string-like network topology communication.Communicated by serial ports between CC1110 wireless radio frequency modules U6 with single-chip microcomputer U1, the function of wireless transparent transmission module that what CC1110 wireless radio frequency modules U6 embodied in essence is.
5) timing chip U3 adopts DS1302, and it is a kind of real time clock circuit, can to year, month, day, Sunday, time, minute, second carries out timing, have leap year compensate function, operating voltage is 2.5V ~ 5.5V.Adopt three-wire interface and CPU to carry out synchronous communication, and burst mode can be adopted once to transmit clock signal or the RAM data of multiple byte.
7) sound alarm module U4 adopts WT588D sequence of speech chip, and built-in chip type SPI-FLASH storer, have 220 controllably positions, location, individual address position can load at most 128 sections of voice, can meet the demand of Patent equipment completely.In patent of the present invention, chip can adopt three line serial ports control models or three line serial ports to control control port expansion output mode.Three line serial ports control mode switchs only need send data to three line serial ports control control port expansion output modes and just can switch.
Concrete steps of the present invention:
Step 1) monitoring device detects the on off state of the cabinet door of electric power bin automatically by magnetic induction switch module U5.In normal operation, once single-chip microcomputer U1 receives the enabling signal that magnetic induction switch module U5 sends, start timing chip U3 immediately and start door opening state timing; And control the radio-frequency card information that radio frequency card reading module U2 read operation personnel carry; Finally the information of the cabinet door of the electric power bin be opened number, opening time and operating personnel is sent to CC1110 gateway node module by CC1110 wireless radio frequency modules U6.The information received, by public network interface module (Ethernet interface or GPRS interface or WIFI interface), is sent to background server record and preserves by this CC1110 gateway node module.
Step 2) after cabinet door is opened, the trigger pip that single-chip microcomputer U1 in device provides according to timing chip U3 controls sound alarm module U4 and will to sound signal every the fixing cycle (such as 20 minutes), this signal certain time (such as 30 seconds), repeat certain number of times (such as 2 times), remind staff to carry out safety standard operation.
After cabinet door is opened, if when operating personnel operate according to the repair process known, also can control by response button K the auditory tone cues that sound alarm module U4 provides each step.Start anew, operating personnel are often by once replying button K, and sound alarm module U4 provides the auditory tone cues of a corresponding step in repair process.The corresponding temporal information receiving this signal can be sent to CC1110 gateway node module by C1110 wireless radio frequency modules U6 after receiving the control signal of response button K by each single-chip microcomputer U1.The information received, by public network interface module (Ethernet interface or GPRS interface or WIFI interface), is sent to background server record and preserves by this CC1110 gateway node module.
If operating personnel know repair process, also the auditory tone cues providing each step by controlling sound alarm module U4 can not be selected, as long as but have selected auditory tone cues, just must click response button K before each operation steps, till flow operations terminates.
Within the certain hour (such as 1 hour) that step 3) is opened at cabinet door, if front end operated by personnel complete and by cabinet door close, then the pass gate signal monitored can be sent to single-chip microcomputer U1 by magnetic induction switch module U5; Single-chip microcomputer U1 reads the lockup of timing chip U3 at once after receiving and closing gate signal, timing chip U3 will quit work and timing clearing afterwards; The cabinet door of the electric power bin be opened number can be sent to CC1110 gateway node module with lockup by CC1110 wireless radio frequency modules U6 by last single-chip microcomputer U1.The information received, by public network interface module (Ethernet interface or GPRS interface or WIFI interface), is sent to background server record and preserves by this CC1110 gateway node module.
If magnetic induction switch module U5 does not detect pass gate signal after step 4) door opening state certain time (such as 1 hour), then single-chip microcomputer U1 can control sound alarm module U4 and send the voice signal reminding operating personnel to close the door in time, front end staff removes this alarm by response button K and reminds, and single-chip microcomputer U1 controls sound alarm module U4 after receiving the ring off signal of response button K stops sending alarm signal.
If after step 5) single-chip microcomputer U1 control sound alarm module U4 sends and reminds the voice signal of closing the door in time to continue for certain hour (such as 10 minutes), still do not have personnel to pass through response button K and remove warning, then single-chip microcomputer U1 sends abnormality alarming information to CC1110 gateway node module by CC1110 wireless radio frequency modules U6, this CC1110 gateway node module is by public network interface module (Ethernet interface or GPRS interface or WIFI interface), the information received is sent to background server, reminds electric power bin abnormal conditions may occur.
Operating personnel's information that background work personnel receive according to step 1) and this personnel contact, to be confirmed whether abnormal conditions occur.If do not got in touch with operating personnel or get in touch with and confirm to forget and close cabinet door, then the relevant persons in charge notified goes site inspection.Background server is by recording step 1) in the cabinet door that receives number and corresponding worker information, conveniently to call to account further.
The present invention has following function and feature:
1) the enabling information of cabinet door can be detected timely and effectively, and read the radio-frequency card information of door opener;
2) time of switch gate operation is accurately obtained by timing chip U3, for single-chip microcomputer timing and sending controling instruction provides necessary reference information;
3) by 433MHz frequency range radio-frequency module CC1110, the information such as the personal information of door opening state, door opener and opening time are sent to far-end server timely and effectively, for implementing accurately to monitor support of submitting necessary information reliably;
4) single-chip microcomputer U1 to sound signal every some cycles by controlling sound alarm module U4, can effectively remind front end staff to carry out safe operation; Staff also can read the prompting of the repair and maintenance correlation step that sound alarm module U4 sends successively by response button K.
5) if still pass door state do not detected when exceeding the necessarily longer time, then can remove aposematic mechanism Timeliness coverage by response button K and get rid of unsafe situation (forget when such as operating personnel's end of operation leaves and close cabinet door), and the effective information of calling to account to associative operation personnel is provided;
6) state of closing the door can also be detected in time by this device, and will close the door status information and lockup are sent to far-end server.
Claims (2)
1. an electric power bin cabinet door state intelligent monitoring method, it is characterized in that, comprise background server and be arranged on each electric power box cabinet door state monitoring means cashier's office in a shop, described cabinet door state monitoring means comprises with single-chip microcomputer (U1) be core control assembly and magnetic induction switch module (U5), timing chip (U3), radio frequency card reading module (U2) and wireless radio frequency modules (U6); The signal output part of described radio frequency card reading module and magnetic induction switch module connects the different input ports of single-chip microcomputer respectively, I/O, SCLK, RSET end of described timing chip connects P1.4, P1.5 and P1.6 port of single-chip microcomputer respectively, described wireless radio frequency modules adopts CC1110, and single-chip microcomputer is communicated with background server with public network interface module by wireless radio frequency modules, gateway node module;
Described cabinet door state monitoring means operates as follows:
Described single-chip microcomputer (U1) detects the on off state of the cabinet door of electric power bin in real time by magnetic induction switch module (U5), start timing chip (U3) immediately when receiving enabling signal and the radio-frequency card information of being carried by radio frequency card reading module (U2) read operation personnel, the information of the cabinet door of the electric power bin be opened number, switch gate time and operating personnel is in time sent to background server record by wireless radio frequency modules (U6) and is preserved by single-chip microcomputer (U1);
In cabinet door state monitoring means, be also provided with the sound alarm module (U4) that is connected with single-chip microcomputer (U1) and reply button (K), P00, P01, P02 and P03 end of described sound alarm module connects P2.0, P2.1, P2.2 and P2.3 port of single-chip microcomputer respectively, described response button one end ground connection, one end connects the P0.0 port of single-chip microcomputer;
Described sound alarm module and response button operate as follows:
Under cabinet door open mode, single-chip microcomputer (U1) controls sound alarm module (U4) according to the trigger pip that timing chip (U3) provides and sends cue by setting-up time interval, reminds operating personnel to carry out safety standard operation; When operating personnel operate according to the repair process known, control signal can be sent to single-chip microcomputer (U1) by response button (K), single-chip microcomputer (U1) controls the auditory tone cues that sound alarm module (U4) provides each step after receiving this signal, and the temporal information receiving control signal is sent to background server record by wireless radio frequency modules (U6) and is preserved.
2. electric power bin cabinet door state intelligent monitoring method according to claim 1, it is characterized in that, described magnetic induction switch module is arranged on electric power bin doorway.
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| CN201210366510.1A CN102841596B (en) | 2012-09-26 | 2012-09-26 | Intelligent monitoring method for power cabinet door state |
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| CN104732620A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Access control apparatus and method thereof |
| CN104052643A (en) * | 2014-06-19 | 2014-09-17 | 安徽建筑大学 | Intelligent home-based elderly care service system |
| CN104201574A (en) * | 2014-09-18 | 2014-12-10 | 芜湖九鼎电子科技有限公司 | Device and method for monitoring power distribution cabinets |
| CN104393503A (en) * | 2014-12-09 | 2015-03-04 | 郑敏 | Low-voltage power distribution cabinet |
| CN104779528A (en) * | 2015-04-14 | 2015-07-15 | 宁波宁通电气成套有限公司 | Intelligent high-voltage switch cabinet |
| CN106771717A (en) * | 2016-11-28 | 2017-05-31 | 国网山东省电力公司济宁供电公司 | A kind of metering cabinet cabinet door monitoring device and metering cabinet |
| CN108685545B (en) * | 2018-05-14 | 2020-10-09 | 佛山市顺德区美的洗涤电器制造有限公司 | Dishwasher start control method, device and computer readable storage medium |
| CN109147131A (en) * | 2018-08-28 | 2019-01-04 | 安徽新网讯科技发展有限公司 | A kind of management system of building intellectualization |
| CN109191641A (en) * | 2018-09-18 | 2019-01-11 | 贵州智诚科技有限公司 | A kind of cabinet |
| CN110738828B (en) * | 2019-09-12 | 2022-06-07 | 浙江大华技术股份有限公司 | Door state monitoring method, device, equipment and storage medium |
| CN113267214A (en) * | 2021-05-17 | 2021-08-17 | 国网江苏省电力有限公司南通供电分公司 | Abnormal state detection device for power cabinet |
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| CN201000647Y (en) * | 2006-09-08 | 2008-01-02 | 丁玉江 | Case or cabinet type metering installation gate inhibition system |
| CN201749503U (en) * | 2009-12-07 | 2011-02-16 | 河南省电力公司郑州供电公司 | Intelligent door access control system for transformer substations |
| KR101181043B1 (en) * | 2010-09-30 | 2012-09-07 | 한국전력공사 | Apparatus and method for sensing a lock state of door |
| CN102004457A (en) * | 2010-11-15 | 2011-04-06 | 南京大学 | GSM network-based power distribution room unattended terminal |
| CN202331100U (en) * | 2011-12-10 | 2012-07-11 | 张世伟 | Intelligent operating environment monitoring system of outdoor power distribution cabinet |
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