CN102446402B - Equipment temperature monitoring system based on wireless sensor network - Google Patents
Equipment temperature monitoring system based on wireless sensor network Download PDFInfo
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- CN102446402B CN102446402B CN201110446587.5A CN201110446587A CN102446402B CN 102446402 B CN102446402 B CN 102446402B CN 201110446587 A CN201110446587 A CN 201110446587A CN 102446402 B CN102446402 B CN 102446402B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
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Abstract
The invention discloses an equipment temperature monitoring system based on a wireless sensor network. A sensor is mounted at a key part of the major equipment of a coal preparation plant to measure a key parameter of an equipment operation state; the sensor sends a measured signal to a corresponding anti-explosion wireless data transceiver; multiple anti-explosion wireless data transceivers form a wireless sensor network; and the data of all sensors is collected and stored in a data sever in a monitoring room, and published through a web server. The system disclosed by the invention can remotely monitor the working state of the whole system and realize the storage and inquiry of the historical data of the operation state of the whole system, and analyzes the historical data in the case of a latent fault or fault trend so as to discover and eliminate the fault early; and moreover, the system can relieve the workload of the polling workers, i.e. the polling workers can check the system state in the monitoring room and can directly observe a panel on the anti-explosion wireless data transceivers during the polling to know the conditions of the monitoring point.
Description
Technical field
The present invention relates to a kind of device temperature on-line monitoring system, relate in particular to a kind of on-line monitoring system of the device temperature based on wireless sensor network.
Background technology
The various rotating machinery main equipments in Coalmine Coal Preparation Plant workshop are for a long time in high temperature, humidity, coal dust, noise with wash away in the rugged surroundings of machine weak erosive current, and the severe working condition moment of these special occasions is testing the normal operation of equipment and the employee's of plant area safety in production.The normal operation of rotating machinery concerns economy and the personal security in whole colliery, and plant area's equipment need to have a set of Automatic monitoring systems to ensure.
For plant area's equipment work under bad environment, the feature that field apparatus should not connect up across floor large space location arrangements and site environment complexity, be badly in need of arranging a set of can stable operation in complicated rugged surroundings, system layout is simple, easy to operate and can concentrate on the system of control room monitoring.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of device temperature on-line monitoring system based on wireless sensor network is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of device temperature monitoring system based on wireless sensor network, it comprises infrared temperature sensor, explosion-proof wireless data transceiving collector, host computer monitor server and client etc.; Wherein, described host computer monitor server and some explosion-proof wireless data transceiving collector radio communications, each explosion-proof wireless data transceiving collector and some infrared temperature sensor radio communications, client is connected by Internet with host computer monitor server.
Further, described explosion-proof wireless receiver comprises: data transmit-receive core board, temperature show charactron, power module, antenna and explosion-proof tank etc.; Described data transmit-receive core board, temperature show that charactron and power module are all placed in explosion-proof tank, and data transmit-receive core board shows that with temperature charactron is all connected with power module, and data transmit-receive core board shows that with temperature charactron is connected.
Further, described power module is connected to form by adapter and accumulator.
Further, described data transmit-receive core board comprises MCU microprocessor, Voltage stabilizing module, relay, charactron, MUX, storer, clock module and RF radio-frequency module etc.; Described relay is connected with Voltage stabilizing module, and MCU microprocessor is connected with Voltage stabilizing module respectively with RF radio-frequency module, and MUX, storer, clock module and charactron are connected with MCU microprocessor respectively, and MCU microprocessor is connected with relay.
The beneficial effect that the present invention has is:
1, can realize the duty with the long-range real time inspection whole system of mode of log-on webpage by computer, understand running situation;
2, can realize preservation and the inquiry to whole system running status historical data, in there is incipient fault or fault trend, historical data is analysed and compared, find early, fix a breakdown, and the later stage is implemented fault diagnosis to the analytic induction of historical data;
3, can alleviate the workload of patrolling and examining workman, both can be at Control Room direct-viewing system status data, also can in the time patrolling and examining, directly observe the panel being positioned on explosion-proof wireless receiver and understand the situation of each monitoring point.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present invention;
Fig. 2 is wireless receiver structural drawing of the present invention;
The data collector core board module map that Fig. 3 is;
Fig. 4 is the software block diagram of system;
Fig. 5 is WEB web sites function module map.
Embodiment
As shown in Figure 1, one-piece construction composition of the present invention has been described.This system comprises infrared temperature sensor, explosion-proof wireless data transceiving collector, host computer monitor server and client; Wherein, host computer monitor server and some explosion-proof wireless data transceiving collector radio communications, each explosion-proof wireless data transceiving collector and some infrared temperature sensor radio communications, client is connected by Internet with host computer monitor server.
Multiple infrared temperature sensor Real-time Collection device temperatures on every equipment to be monitored, by wireless transmission after the other explosion-proof wireless data transceiving collector for processing of this equipment and packing, through many explosion-proof wireless receiver relay wireless packets, the temperature data real-time Transmission of final all plant equipment is to host computer monitor server, facilitate the staff (can be by common computer by client in office, mobile phone or any equipment that can surf the Net are realized) access host computer monitor server checks whole plant area device temperature situation, the timely abnormal and equipment alarm for the treatment of facility from the monitoring page, guarantee the efficient and safety in production of coal preparation plant.
Explosion-proof wireless receiver has been used for the integrated communication with sensor, realizes filtering and the modulation of signal, realizes the resistivity of explosion-proof wireless receiver to environmental interference.Sensing data finally transfers to host computer monitor server by explosion-proof wireless receiver wireless multi-hop.As shown in Figure 2, explosion-proof wireless receiver comprises: data transmit-receive core board, temperature show charactron, power module, antenna and explosion-proof tank.Data transmit-receive core board, temperature show that charactron and power module are all placed in explosion-proof tank, and data transmit-receive core board shows that with temperature charactron is all connected with power module, and data transmit-receive core board shows that with temperature charactron is connected.
Described power module is connected to form by adapter and accumulator.
As shown in Figure 3, data transmit-receive core board comprises MCU microprocessor, Voltage stabilizing module, relay, charactron, MUX, storer, clock module and RF radio-frequency module.Relay is connected with Voltage stabilizing module, and MCU microprocessor is connected with Voltage stabilizing module respectively with RF radio-frequency module, and MUX, storer, clock module and charactron are connected with MCU microprocessor respectively, and MCU microprocessor is connected with relay.
MCU microprocessor can adopt Atmega128L product, and it receives the data that infrared temperature sensor sends over, and sends to RF radio-frequency module after the processing such as analog to digital conversion.RF radio-frequency module can adopt CC2420 product, and it converts data, and spread spectrum, after modulation, sends with the frequency of 2.4G.Relay can reach restarting of the explosion-proof wireless receiver of manual control, and explosion-proof wireless receiver can accurately be moved.Clock module makes the time of explosion-proof wireless receiver operation more accurate, and also artificially setting-up time is controlled explosion-proof wireless receiver work.
MCU microprocessor is controlled and affects RF radio-frequency module, relay, MUX, storer and clock module.In some cycles, do not receive that in packet or some cycles, Packet Generation is not gone out if MCU microprocessor recognizes, restart with regard to pilot relay, thus the normal work that recovers whole core board.MCU microprocessor control RF radio-frequency module carries out periodic data transmission; MCU microprocessor control MUX realizes the data of receiving sensor in turn; MCU microprocessor control store is stored the data cached of some constants and RF radio frequency; MCU microprocessor control clock module is realized more accurate periodic Control.
Fig. 4 is the software block diagram of system.The in house software of host computer monitor server mainly comprises two large divisions, and a part is the data administrator on backstage, and another part is the WEB website on foreground.
Back-end data supervisory routine mainly comprises two large divisions's function, and a part is reading of serial data, and another part is the management of background data base.Thread timing of this client is read a secondary data from serial ports, then, through resolving, calculating, is presented in the form of client; Another thread writes data to data storehouse at set intervals one time.The visual control interface that the WEB website on foreground provides users with the convenient, user need be only addressable current system state by browser, without any client software is installed.
As shown in Figure 5, be WEB web sites function module map, WEB website mainly comprises system home page module, device parameter module, user management module, database management module, detection curve module, data statistics module.Specific as follows:
(1) first in browser, input server address, enter the website log page, input username and password, can Website login homepage after being proved to be successful.Can know monitoring point temperature and the state of seeing intuitively individual device.Rolling mouse, above device number, can show the relevant information of this equipment, as title, position, state and remarks etc. simultaneously; Rolling mouse, above temperature spot, can show the relevant informations such as numbering, position, state, update time and the remarks of this monitoring point.In addition, use and disuse color and represent different states, light blue expression is normal, and grey represents communication failure, the yellow sensor abnormality that represents, and orange expression monitoring point temperature has exceeded 60 ℃, and red expression monitoring point temperature exceedes 100 ℃.
(2) the device parameter page: this page mainly comprises two tables, facility information table and monitoring point information table.Facility information table has mainly comprised the relevant informations such as device numbering, device name, specifications and models, infield, duty, manufacturing firm and remarks; Monitoring point information table has mainly comprised numbering, monitoring type, device numbering, position, monitoring point, state, Current Temperatures, update time and remarks relevant information.The screening link of pointing device information table, filters out all monitoring points of this equipment in can monitoring point information table below, is convenient to check intuitively.Detailed link in the information table of pointing device monitoring point, can check the change curve of this monitoring point.
(3) the user management page: this page only allows keeper to enter, domestic consumer does not have authority to enter this page.Keeper enters after this page, can carry out the operation such as newly-increased, deletion, replacement password of domestic consumer.In the time carrying out deletion action, for preventing the wrong user of deletion, before deletion, needing to input administrator's password could delete.If domestic consumer forgets Password, can apply for the password of resetting to keeper.Keeper can increase on the right of this page domestic consumer newly.
(4) the data base administration page: this page only allows keeper to enter, and domestic consumer haves no right to enter this page.After entering, keeper can check, increases newly, editor, delete database.Generally, ask careful operation, prevent system crash.
(5) the monitoring curve page: this page can be checked the temperature variation curve that monitoring point is installed on equipment.Click the monitoring equipment selective listing on the left side, can select monitoring equipment, and check all monitoring points curve of this equipment.Display cycle selection can be selected nearest one hour, and nearest three hours, the monitoring curve of nearest six hours and nearest a day.In simultaneously can time range selecting, check the temperature variation curve of set time section.
(6) the data statistics page: the radio communication situation that this page maintains easily maintainer checks the explosion-proof wireless receiver of monitoring, comprises the packet receiving number, number of dropped packets, overall budget number, packet loss of each explosion-proof wireless receiver etc.
Claims (1)
1. the device temperature monitoring system based on wireless sensor network, it comprises explosion-proof wireless data transceiving collector, host computer monitor server and client, described host computer monitor server and some explosion-proof wireless data transceiving collector radio communications, client is connected by Internet with host computer monitor server; It is characterized in that, also comprise infrared temperature sensor, each explosion-proof wireless data transceiving collector and some infrared temperature sensor radio communications; Described explosion-proof wireless data transceiving collector comprises: data transmit-receive core board, temperature show charactron, power module, antenna and explosion-proof tank; Described data transmit-receive core board, temperature show that charactron and power module are all placed in explosion-proof tank, and data transmit-receive core board shows that with temperature charactron is all connected with power module, and data transmit-receive core board shows that with temperature charactron is connected; Described power module is connected to form by adapter and accumulator; Described data transmit-receive core board comprises MCU microprocessor, Voltage stabilizing module, relay, charactron, MUX, storer, clock module and RF radio-frequency module; Described relay is connected with Voltage stabilizing module, and MCU microprocessor is connected with Voltage stabilizing module respectively with RF radio-frequency module, and MUX, storer, clock module and charactron are connected with MCU microprocessor respectively, and MCU microprocessor is connected with relay; In some cycles, do not receive that in packet or some cycles, Packet Generation is not gone out if MCU microprocessor recognizes, restart with regard to pilot relay, thus the normal work that recovers whole data transmit-receive core board; Described relay can also be realized restarting of the explosion-proof wireless data transceiving collector of manual control, and explosion-proof wireless data transceiving collector can accurately be moved; Described clock module is controlled the work of explosion-proof wireless data transceiving collector by artificial setting-up time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110446587.5A CN102446402B (en) | 2011-12-28 | 2011-12-28 | Equipment temperature monitoring system based on wireless sensor network |
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| CN201110446587.5A CN102446402B (en) | 2011-12-28 | 2011-12-28 | Equipment temperature monitoring system based on wireless sensor network |
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| CN102446402A CN102446402A (en) | 2012-05-09 |
| CN102446402B true CN102446402B (en) | 2014-06-04 |
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| KR100881273B1 (en) * | 2006-12-08 | 2009-02-05 | 한국전자통신연구원 | Sensor node and its operating method |
| CN100596355C (en) * | 2007-12-10 | 2010-03-31 | 北京金奥维科技有限公司 | Intelligent management system for coal mine production safety |
| CN101555991A (en) * | 2009-05-21 | 2009-10-14 | 北京航空航天大学 | Wireless sensor network node device of safety monitoring of natural gas pipe network |
| CN101931645A (en) * | 2010-08-03 | 2010-12-29 | 天津市欧诺仪器仪表有限公司 | Wireless temperature-humidity monitoring system based on Web |
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