CN203037289U - Thermal power plant high temperature moisture wireless sensor network monitoring system - Google Patents
Thermal power plant high temperature moisture wireless sensor network monitoring system Download PDFInfo
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- CN203037289U CN203037289U CN 201220720158 CN201220720158U CN203037289U CN 203037289 U CN203037289 U CN 203037289U CN 201220720158 CN201220720158 CN 201220720158 CN 201220720158 U CN201220720158 U CN 201220720158U CN 203037289 U CN203037289 U CN 203037289U
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Abstract
The utility model provides a thermal power plant high temperature moisture wireless sensor network monitoring system which is provided with a sensor monitoring network, a local monitoring center and a remote monitoring center, wherein the sensor monitoring network is composed of a base station node, routing nodes and terminal nodes. The routing nodes are distributed between the terminal nodes and the base station node. The sensor monitoring network uses a wireless belt-shaped multi-hop topology structure. The terminal nodes and the routing nodes are provided with sensor modules which are composed of temperature, humidity, acid gas, vibration, settlement and inclination sensors. The terminal nodes are further provided with high temperature moisture sensors. The base station node, the routing nodes and the terminal nodes are provided with wireless microprocessor wireless communication modules and external interfaces. The local monitoring center comprises a host computer and a database server. The communication between the base station node and the host computer is carried out in a serial port or field bus mode. The remote monitoring center comprises a Web server and a database server, and provides remote monitoring and parameter controlling. The thermal power plant high temperature moisture monitoring is networked and intelligent.
Description
Technical field
The utility model relates to the radio sensor network monitoring technical field, particularly a kind of thermal power plant high temperature moisture wireless sensor network monitoring system.
Background technology
Along with China's rapid economy development, electricity needs continues to increase.By the end of the year 2010, national electric power installed capacity has reached 9.62 hundred million kilowatts, occupies the second place of the world, and wherein thermoelectricity is 7.07 hundred million kilowatts, accounts for 73% of national total installation of generating capacity, and the thermoelectricity generated energy accounts for more than 80% of whole generated energy, consumes coal-fired 1,600,000,000 tons.Be the important source of atmospheric pollution based on pollutants such as the flue gas that thermal power plant was produced of fire coal, flue dust.In order to control thermal power plant to the pollution of environment, country has successively put into effect a series of policies and regulations, assigns the multinomial development that policy is encouraged the power environment protection industry of fostering.GB13223-1996 " thermal power plant's atmosphere pollutants emission standards " require to rise on January 1st, 1997 approval of statement of the effect to be occasioned on the environment unexamined new, expand, flue gas discharge continuous monitoring system (ContinuousEmission Monitoring System that reconstruction thermal power plant must install and fix at chimney or flue, CEMS) total emission volumn, the emission status to monitor pollutant exactly, work and the ruuning situation of control and grasp smoke eliminator (fly-ash separator, sweetener).On May 10th, 2005, National Development and Reform Committee's issue " about accelerating some suggestions of flue gas desulphurization industrialized development ", country continues to support a collection of flue gas desulfurization gordian technique and equipment localization demonstrative project, improve flue gas desulfurization project technology equipment and equipment localization level rate, the flue gas desulfurization industry is fast-developing under this background, and the fast development of flue gas desulfurization has proposed active demand to correlation detection technology and remote control technology.
Stationary pollution source fume continuous monitoring system (CEMS) comprises particle (flue dust) monitoring system, gaseous contaminant (SO
2, NO
XDeng) monitoring system, Gas Parameters monitoring system and data acquisition processing system, wherein, the Gas Parameters monitoring system mainly comprises: the isoparametric monitoring of flue-gas temperature, flow, pressure, moisture and oxygen level.The purpose of measuring moisture in the flue gas is the dry flue gas flow that will calculate under the standard state, thereby accurately calculates the flue gas pollutant total emission volumn.The high temperature flue gas moisture monitoring equipment is bulky usually, the requirement working environment is good, existing employing staff carries equipment flue gas is inspected by random samples, and high-temperature flue gas is in tens meters or higher flue or chimney place usually, work under bad environment, workman's testing amount is big, loaded down with trivial details and dangerous, and traditional centralized checkout equipment can only detect single-point.Adopt the mode of wired (as fieldbus) to make automatic realization detect being gathered into for possibility of information, but when outside flue, connecting up, be subjected to the influence of rugged surroundings such as high-temperature flue gas monitoring place high temperature, burn into thunderbolt may cause the fieldbus job insecurity or break down, make the connection monitoring system on this branch road can't trouble-free operation.
Summary of the invention:
The purpose of this utility model is to provide a kind of thermal power plant high temperature moisture wireless sensor network monitoring system, wireless sensor network is applied to the on-line monitoring of thermal power plant's high temperature moisture, automatically, monitor high temperature flue gas moisture content and flue, chimney temperature, humidity, sour gas and flue, the inclination of chimney, vibration, sedimentation state on every side continuously, reliably, the staff can long-rangely check the Monitoring Data of each thermal power plant and the operational factor of control sensor network by the internet, has realized networking, the intellectuality of thermal power plant's high temperature moisture monitoring.
The utility model adopts following technical scheme: a kind of thermal power plant high temperature moisture wireless sensor network monitoring system, it is characterized in that: be provided with wireless banded topological structure sensor monitoring network and local monitoring center and remote monitoring center that base-station node, routing node and terminal node are formed, wherein:
Base-station node comprises wireless microprocessor, wireless communication module, power module and external interface, external interface comprises serial ports and field-bus interface, wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to base-station node;
Terminal node is provided with 3 altogether, be arranged on flue and the chimney, lay respectively at before the desulphurization denitration equipment in the flue, after the desulphurization denitration equipment and chimney row mouthful place, each terminal node includes wireless microprocessor, wireless communication module, contain temperature, humidity, sour gas, vibration, the sensor assembly of sedimentation and inclination sensor, power module and external interface, external interface comprises serial ports and sensor expansion interface, the output of each sensor connects wireless microprocessor in the sensor assembly, wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to terminal node; Each terminal node place also is provided with the high-temperature water sub sensor, and the high-temperature water sub sensor is connected but communication isolation between the two by serial ports and terminal node are two-way, and external dc power directly powers for the high-temperature water sub sensor, powers to power module by isolated from power;
Routing node is zonal arrangement between terminal node and base-station node, wherein, be the zonal arrangement routing node along flue between the terminal node behind chimney row mouthful place's terminal node and the desulphurization denitration equipment, also be zonal arrangement between the terminal node before base-station node and the desulphurization denitration equipment and routing node, each routing node comprises wireless microprocessor, wireless communication module, contain temperature, humidity, sour gas, vibration, the sensor assembly of sedimentation and inclination sensor, power module and external interface, external interface comprises serial ports and sensor expansion interface, the output of each sensor connects wireless microprocessor in the sensor assembly, wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to routing node;
Local monitoring center comprises host computer and database server, database server is used for data that the storage sensor monitoring network gathers and to the control information of sensor monitoring network, adopts the mode of serial ports or fieldbus to communicate by letter between base-station node and the host computer;
Remote monitoring center comprises Web server and database server, and database server stores comprises user profile, thermal power plant's information, news and document information, regulates and control by network realization remote monitoring and to the remote parameter of sensor monitoring network.
Remarkable advantage of the present utility model and beneficial effect:
(1) utilizes the characteristics of sensor network distribution type, self-organization, only need distribution to place limited sensor node and need not cable to connect, reduced the requirement to cable, inefficacy single or the small number of sensors node can not influence the data transmission of system, can guarantee continuity, reliability and the intellectuality of fume emission on-line monitoring.Except the monitoring center in the thermal power plant needs the discharging of on-line monitoring flue gas pollutant, relevant departments also need the fume emission of each thermal power plant is carried out on-line monitoring.Wireless sensor network combined with remote monitoring can satisfy the demand that the fume emission remote control technology is proposed.
(2) by the high temperature flue gas moisture of radio sensor network monitoring thermal power plant, change single-point monitoring among the current personal monitoring, operate unsafe present situation; The instability of fieldbus appearance affected by environment or the phenomenon of fault have been improved, with the wired requirement that has reduced in the monitoring mode cable of wireless replacement, inefficacy single or the small number of sensors node can not influence the data transmission of system, can guarantee continuity, reliability and the intellectuality of fume emission on-line monitoring.
(3) except monitoring high temperature moisture, system can also monitor temperature around the flue, chimney, humidity, content of acid gas based on inclination, vibration, the heeling condition of flue, chimney, the staff can select the sensing amount of monitoring according to demand, has improved the extensibility of system.
(4) wireless sensor network is combined with the B/S structure for the high temperature moisture monitoring, the staff can monitor the state parameter of environmental parameter around each thermal power plant's high temperature flue gas moisture content and flue, the chimney and flue, chimney by the logging in network browsing device net page, the measurement result of each sensing amount can show by the mode of chart, also can adopt different colours that the different monitoring result differences of different monitoring points are shown, increase the demonstration friendliness.In addition, relevant departments can be directly in webpage issue latest news and warning message.
Description of drawings
Fig. 1 is the structural drawing of the utility model system;
Fig. 2 is the wireless banded topological structure sensor monitoring network structural drawing of the utility model system;
Fig. 3 is the base-station node structured flowchart of the utility model system;
Fig. 4 is the terminal node structured flowchart of the utility model system;
Fig. 5 is the routing node structured flowchart of the utility model system;
Fig. 6 is the sensor network monitoring process flow diagram of the utility model system;
Fig. 7 is the remote monitoring process flow diagram of the utility model system;
Fig. 8 is the Long-distance Control sensor network parameter process flow diagram of the utility model system.
Embodiment
As Fig. 1, the utility model system comprises following components: base-station node 6, routing node 5 and place flue and chimney 2 on terminal node 4 sensor monitoring network 1, local monitoring center 7 and remote monitoring center 10, the client terminal 13 formed.Sensor monitoring network 1 adopts wireless banded topological structure shown in Figure 2.Three high temperature moisture monitoring points are set on flue and the chimney 2, wherein be arranged in the high temperature moisture that desulphurization denitration equipment 3 monitoring point before is used for the preceding flue gas of monitoring desulphurization denitration, be arranged in desulphurization denitration equipment 3 monitoring point afterwards and be used for the monitoring desulphurization denitration high temperature moisture of flue gas afterwards, the monitoring point that is arranged in chimney row mouth place is used for monitoring the high temperature moisture of discharged flue gas.The place arranges terminal node 4 respectively in high temperature moisture monitoring point, and terminal node 4 is connected by serial ports with the high-temperature water sub sensor.Routing node 5 is long ribbon shape and is distributed between terminal node 4 and the base-station node 6, terminal node 4 mode by multi-hop with data transmission to base-station node 6.Local monitoring 7 centers comprise host computer 8 and database server 9, and the mode of employing serial ports or fieldbus is communicated by letter between the host computer 8 of base-station node 6 and local monitoring center.Host computer shows the data that base-station node is uploaded in real time and stores data in the database 9, and database 9 is used for the data of storage sensor network collection and to the control information of sensor network.Remote monitoring center 10 comprises Web server 11 and database server 12, database server 12 storing subscriber information, thermal power plant's information, news and the document information of remote monitoring center.
As Fig. 3, base-station node 6 comprises wireless microprocessor, wireless communication module, power module and external interface part, and external interface wherein comprises serial ports and field-bus interface.Base-station node can be connected with host computer 8 by serial ports, also can insert fieldbus, by the information transmission between bus realization and the host computer 8.Wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to base-station node.
As Fig. 4, terminal node 4 comprises wireless microprocessor, wireless communication module, sensor assembly, power module and external interface, as shown in Figure 4.The sensing amount of sensor assembly wherein comprises temperature, humidity, sour gas, vibration, sedimentation and inclination.After sensor monitoring network 1 networking is finished, each sensing amount all in working order in.Subsequently, the staff can control the sensing amount that sensor monitoring network is enabled, and selects operative sensor wherein in running order as required, and another part is in off working state.External interface module comprises serial ports, sensor expansion interface, wherein the high-temperature water sub sensor is connected with terminal node by serial ports, carried out communication between terminal node and the high-temperature water sub sensor and isolated, sensor is expanded interface and is used for the more sensor assembly of expansion.Power module is realized the energy supply to node.Outside DC source is given high-temperature water sub sensor and terminal node power supply.Carry out isolated from power between the power module of terminal node and the DC source.The structured flowchart of routing node 5 as shown in Figure 5, and is similar to the hardware configuration of terminal node 4, and different places are: routing node does not connect the high-temperature water sub sensor, does not monitor the high temperature moisture; Routing node directly adopts powered battery.
Hardware in base-station node 6, routing node 5, terminal node 4, local monitoring center 7, remote monitoring center 10 and the client terminal 13 is prior art.
Use embodiment that the utility model system monitors as shown in Figure 6:
Step 5, base-station node transfer data to local monitoring center by serial ports or fieldbus after receiving the packet that sensor node uploads, and local monitoring center receives after the data, store data in the local database server;
Step 7, the staff is by the host computer interface or by webpage monitoring high temperature moisture and other sensing amount.
In step 4, terminal node is selected suitable communication link according to demand, consumes the high link of balanced link, reliability etc. as the best path of real-time link-quality, node energy.
B/S(Browser/Server is adopted in the native system remote monitoring, browser/server) structure, the webpage of staff's logging in network browser on client 13 are finished the inquiry of sensor monitoring network real time data, real time data contrast, the inquiry of historical data, historical data contrast, data statistic analysis, remote parameter control and information and news briefing, are checked functions such as correlation technique document, user profile modification, collection.
Specific embodiment by network remote monitoring high temperature moisture and other sensing amount is shown in Fig. 7,8:
1, after the logon web page, the staff selects real-time monitoring or the inquiry of historical data, the thermal power plant of selection monitoring, the sensing amount of monitoring, sends request to Web server then;
2, the database of the long-range connection of Web server thermal power plant to be monitored is according to the request data query of user's transmission;
3, Web server sends Query Result to browser, shows the result in webpage.
The staff can carry out remote parameter control on client 13, control command comprises: each parameter of the sensing amount that the dormancy time of sensor network, sensor node are enabled, the sampling time interval of sensing amount, high-temperature water sub sensor, and concrete steps are:
After step 2, Web server were received the control request, the database of the corresponding thermal power plant of long-range connection inserted control command in the database;
Step 5, sensor node is unpacked after receiving the control bag, if this node is controlled node, then revise parameter by control command, and return affirmation to base-station node and wrap, base-station node is uploaded and is confirmed bag to local monitoring center, after local monitoring center receives the confirmation bag, inserts the control result according to the data of confirming bag to database.
Except remote parameter control, the staff also can be in host computer 8 enterprising line parameter controls.Select control command, input control parameter at the host computer interface, step subsequently is afterwards identical with the step 4 of Long-distance Control.The staff can send the request of checking the control result at the host computer interface at webpage or local monitor center behind input of control commands, Web server or host computer will be inquired about up-to-date control result and show in database then.
The staff checks the state parameter of environmental parameter around thermal power plant's high temperature flue gas moisture content and flue, the chimney and flue, chimney in the web interface of the interface of local monitoring center host computer 8 or client 13, the measurement result of each sensing amount can show Monitoring Data by chart, also can adopt different colours that the different monitoring result differences of different monitoring points are shown, increase the demonstration friendliness.In addition, last level structure can be directly in webpage issue latest news and warning message.
The utility model sensor monitoring network can be monitored temperature, humidity, content of acid gas and flue, the vibration of chimney, inclination, the sedimentation state around flue, the chimney, and terminal node and routing node all comprise above sensing amount.
Claims (1)
1. thermal power plant's high temperature moisture wireless sensor network monitoring system, it is characterized in that: be provided with wireless banded topological structure sensor monitoring network and local monitoring center and remote monitoring center that base-station node, routing node and terminal node are formed, wherein:
Base-station node comprises wireless microprocessor, wireless communication module, power module and external interface, external interface comprises serial ports and field-bus interface, wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to base-station node;
Terminal node is provided with 3 altogether, be arranged on flue and the chimney, lay respectively at before the desulphurization denitration equipment in the flue, after the desulphurization denitration equipment and chimney row mouthful place, each terminal node includes wireless microprocessor, wireless communication module, contain temperature, humidity, sour gas, vibration, the sensor assembly of sedimentation and inclination sensor, power module and external interface, external interface comprises serial ports and sensor expansion interface, the output of each sensor connects wireless microprocessor in the sensor assembly, wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to terminal node; Each terminal node place also is provided with the high-temperature water sub sensor, and the high-temperature water sub sensor is connected but communication isolation between the two by serial ports and terminal node are two-way, and external dc power directly powers for the high-temperature water sub sensor, powers to power module by isolated from power;
Routing node is zonal arrangement between terminal node and base-station node, wherein, be the zonal arrangement routing node along flue between the terminal node behind chimney row mouthful place's terminal node and the desulphurization denitration equipment, also be zonal arrangement between the terminal node before base-station node and the desulphurization denitration equipment and routing node, each routing node comprises wireless microprocessor, wireless communication module, contain temperature, humidity, sour gas, vibration, the sensor assembly of sedimentation and inclination sensor, power module and external interface, external interface comprises serial ports and sensor expansion interface, the output of each sensor connects wireless microprocessor in the sensor assembly, wireless microprocessor is respectively with wireless communication module and external interface is two-way is connected, and power module is powered to routing node;
Local monitoring center comprises host computer and database server, database server is used for data that the storage sensor monitoring network gathers and to the control information of sensor monitoring network, adopts the mode of serial ports or fieldbus to communicate by letter between base-station node and the host computer;
Remote monitoring center comprises Web server and database server, and database server stores comprises user profile, thermal power plant's information, news and document information, regulates and control by network realization remote monitoring and to the remote parameter of sensor monitoring network.
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| CN 201220720158 CN203037289U (en) | 2012-12-21 | 2012-12-21 | Thermal power plant high temperature moisture wireless sensor network monitoring system |
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| CN 201220720158 CN203037289U (en) | 2012-12-21 | 2012-12-21 | Thermal power plant high temperature moisture wireless sensor network monitoring system |
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Cited By (8)
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| CN103968880A (en) * | 2014-05-06 | 2014-08-06 | 胡妍 | Area environmental protection monitoring system for power supply system |
| CN103968879A (en) * | 2014-05-06 | 2014-08-06 | 胡妍 | Area environmental protection monitoring method for power supply system |
| CN104021212A (en) * | 2014-06-20 | 2014-09-03 | 国家电网公司 | Automatic routing inspection device for database |
| CN104658222A (en) * | 2013-11-22 | 2015-05-27 | 中国科学院沈阳自动化研究所 | Wireless transformation equipment temperature rise monitoring method |
| CN104850667A (en) * | 2015-06-15 | 2015-08-19 | 国家电网公司 | Inquiry method and device for operation data of gas-steam combined unit |
| CN105182879A (en) * | 2015-09-24 | 2015-12-23 | 天津四德科技有限公司 | Thermal power plant environmental monitoring system and method on the basis of SOA architecture |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
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2012
- 2012-12-21 CN CN 201220720158 patent/CN203037289U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104658222A (en) * | 2013-11-22 | 2015-05-27 | 中国科学院沈阳自动化研究所 | Wireless transformation equipment temperature rise monitoring method |
| CN104658222B (en) * | 2013-11-22 | 2017-09-22 | 中国科学院沈阳自动化研究所 | A kind of wireless type transformer temperature rise monitoring method |
| CN103968880A (en) * | 2014-05-06 | 2014-08-06 | 胡妍 | Area environmental protection monitoring system for power supply system |
| CN103968879A (en) * | 2014-05-06 | 2014-08-06 | 胡妍 | Area environmental protection monitoring method for power supply system |
| CN104021212A (en) * | 2014-06-20 | 2014-09-03 | 国家电网公司 | Automatic routing inspection device for database |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN104850667A (en) * | 2015-06-15 | 2015-08-19 | 国家电网公司 | Inquiry method and device for operation data of gas-steam combined unit |
| CN105182879A (en) * | 2015-09-24 | 2015-12-23 | 天津四德科技有限公司 | Thermal power plant environmental monitoring system and method on the basis of SOA architecture |
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Granted publication date: 20130703 Termination date: 20131221 |