CN202939164U - Monitoring system for heating furnace based on Mesh network of Zigbee technology - Google Patents
Monitoring system for heating furnace based on Mesh network of Zigbee technology Download PDFInfo
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- CN202939164U CN202939164U CN 201220559381 CN201220559381U CN202939164U CN 202939164 U CN202939164 U CN 202939164U CN 201220559381 CN201220559381 CN 201220559381 CN 201220559381 U CN201220559381 U CN 201220559381U CN 202939164 U CN202939164 U CN 202939164U
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- flue gas
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Abstract
The utility model discloses a monitoring system for a heating furnace based on a Mesh network of a Zigbee technology. The monitoring system comprises heating furnaces, flue gas analyzers, PLCs (programmable logic controllers) and a plurality of terminal nodes, wherein the heating furnaces, the flue gas analyzers, the PLCs and the terminal nodes are electrically connected in sequence; the terminal nodes are communicated with a center node through the Mesh network; an output of the center node is connected with an industrial personal computer of a center control room; a plurality of heating furnace signal acquisition units are formed by the heating furnaces, the flue gas analyzers and the PLCs and correspond to the terminal nodes; the PLCs convert electrical signals acquired by the flue gas analyzers to RS485 (recommended standard 485) signals; the RS485 signals are transmitted to the terminal nodes through serial ports; a transit route is arranged among the terminal nodes and the center node; the terminal nodes are communicated with the center node through the Mesh network; the adjacent terminal nodes can be communicated with each other through the Mesh network; and the terminal nodes; and the center node and the transit route adopt Zigbee modules. The system can realize remote monitoring of combustion states of the tubular heating furnaces, abnormity alarm reminding, furnace adjusting decision guidance work, and solves the problems that the existing heating furnace is lack of remote on-line monitoring and the furnace adjusting is hysteretic.
Description
Technical field
The utility model relates to a kind of flue gas of heating furnace remote supervision system.Particularly relate to a kind of heating furnace monitoring system based on ZigBee technology Mesh net.
Background technology
The height of thermal efficiency of heating furnace has close relationship with production cost.Means commonly used are to use portable flue gas inspection instrument at present, in time heating furnace are adjusted according to the offline inspection result, optimize the heating furnace running status.But in practical operation, this accent stove mode certainly exists time lag, and is difficult to like this realize stably keeping heating furnace to operate in the requirement of better state, can not be farthest energy-conservation.So, existing heating furnace monitoring system, the flue gas data of monitoring on-the-spot demonstration only, be unfavorable for the technique adjustment, really do not play the Expected Results that impels heating furnace stable operation.
For making these heating furnaces operate in as much as possible optimum state, applicant's development research one the cover intelligent multiple spot flue gas inspection analytic system, adopt the infrared gas detection technology, carry out the multiple spot monitoring for the tubular heater smoke components, timesharing detects multiple spot smoke components and flue-gas temperature etc. automatically.Through running test, find still to exist some technical matterss, and owing to being only on-the-spot the demonstration, be unfavorable for the technique adjustment, really do not play the Expected Results that impels heating furnace stable operation.
ZigBee technology is to be based upon IEE, can be used for the heating furnace monitoring system.But traditional ZigBee-network all exists as star network or tree network and Single Point of Faliure is had extremely sensitive, and the defective such as unreliable and communication distance is short has limited the range of application of ZigBee.
Summary of the invention
Technical problem to be solved in the utility model is, provides a kind of to realize in real time, efficient, flue gas of heating furnace data acquisition accurately, and be sent to the heating furnace monitoring system based on ZigBee technology Mesh net that Central Control Room industrial computer configuration interface is monitored.
The technical scheme that this utility model adopts is: a kind of heating furnace monitoring system based on ZigBee technology Mesh net, comprise: the heating furnace, flue gas analyzer, PLC and the terminal node that are electrically connected to successively, described terminal node is communicated by letter with Centroid by the Mesh net, the output of described Centroid is connected with the Central Control Room industrial computer, wherein, described heating furnace, flue gas analyzer and PLC consist of the heating furnace signal gathering unit, and being provided with that described heating furnace signal gathering unit and terminal node are corresponding is a plurality of.
The electric signal that described PLC collects flue gas analyzer converts the RS485 signal to, and is transferred to terminal node by serial ports.
Also be provided with transistroute between described terminal node and Centroid, and communicate by the Mesh net.
Also can communicate mutually by the Mesh net between described adjacent terminal node.
Described terminal node, Centroid and transistroute all adopt the Zigbee module.
Heating furnace monitoring system based on ZigBee technology Mesh net of the present utility model, can realize the remote monitoring of tubular heater fired state, abnormal alarm prompting, furnace regulation decision making guiding work, solve the remote on-line monitoring of shortage that present heating furnace exists, transfer the problem such as stove hysteresis, further improve thermal efficiency of heating furnace, reduce discharging purpose to reach industry energy conservation.Can realize the Central Control Room of oil refining section to the on-line monitoring of each heating furnace system running status of whole on-site, solve monitoring information on-the-spot demonstration only, be unfavorable for the shortcoming that technique is adjusted, have popularity and practicality.
Description of drawings
Fig. 1 is that system architecture of the present utility model consists of block diagram;
Fig. 2 is based on the Mesh network structure of the heating furnace monitoring system of ZigBee technology Mesh net.
In figure
1: heating furnace 2: flue gas analyzer
3:PLC 4: terminal node
5: Centroid 6: the Central Control Room industrial computer
7: the heating furnace signal gathering unit
Embodiment
Below in conjunction with embodiment and accompanying drawing, the heating furnace monitoring system based on ZigBee technology Mesh net of the present utility model is made a detailed description.
Heating furnace monitoring system based on ZigBee technology Mesh net of the present utility model, with the heating furnace monitoring system, as a terminal node that gathers and monitor, installing the independent ZigBee module of field monitoring position installation as the transistroute node, the middle control machine of Central Control Room is as Centroid.The Centroid of each terminal node, transistroute node and Central Control Room forms a typical Mesh network.The flue gas data that collect are passed through the Mesh Internet Transmission to Central Control Room, carry out unified processing and analysis by the configuration software on the Central Control Room industrial computer.
As shown in Figure 1 and Figure 2, heating furnace monitoring system based on ZigBee technology Mesh net of the present utility model, comprise: the heating furnace 1, flue gas analyzer 2, PLC 3 and the terminal node 4 that are electrically connected to successively, described terminal node 4 is communicated by letter with Centroid 5 by the Mesh net, the model of described PLC 3 is S7-200, the electric signal that PLC collects flue gas analyzer 2 converts the RS485 signal to, and is transferred to terminal node 4 by serial ports.The output of described Centroid 5 is connected with Central Control Room industrial computer 6, and wherein, described heating furnace 1, flue gas analyzer 2 and PLC3 consist of the core of whole system, namely, heating furnace signal gathering unit 7, and being provided with of described heating furnace signal gathering unit 7 and terminal node 4 correspondences is a plurality of.
The flue gas measurement range of the flue gas analyzer of selecting according to the enterprise practical requirement in the present embodiment is: carbon monoxide: 0～1000PPM, oxygen: 0～25%, sulphuric dioxide: 0～2000PPM, temperature: 0～600 ℃.
The flue gas analyzer model is C600, and flue gas analyzer is controlled the actions such as the blowback of the collection of automatically carrying out flue gas and temperature, probe and draining by Siemens's programmable logic controller (PLC).
Also be provided with transistroute 8 between described terminal node 4 and Centroid 5, and communicate by the Mesh net.
Described terminal node 4, Centroid 5 and transistroute 8 all adopt the Zigbee module.the ZigBee module is the reinforced ZigBee module of the SZ-02 of Shanghai Shun Zhou company, this module integration meet radio-frequency (RF) transceiver and the microprocessor of Zigbee protocol standard, employing meets the ZigBee wireless technology that industrial standard is used, has communication distance far away, antijamming capability is strong, advantage and the characteristics such as networking flexibility, can realize the data transparent transmission of many equipment rooms, high bit rate is 115200bps, transmit frequency band is 2.4G Hz, 2000 meters of maximum line-of-sight transmission distances, can organize the mesh network topology of Mesh type, can satisfy the needs of multinode flue gas of heating furnace data transmission fully.
Also can communicate mutually by the Mesh net signal that namely any one terminal node 4 can transfer adjacent terminal end node 4 and become repeater between described adjacent terminal node 4.Network can be according to the traffic load situation of each node allocate communications route dynamically, thereby has effectively avoided the traffic congestion of node, guarantees the unobstructed of wireless network.Based on the advantage of Mesh network, when certain ZigBee node breaks down and causes wireless communication link to be obstructed, packet is with the Automatic-searching backup path and enable the backup path the transmission of data, and whole network can not paralysed because of the fault of individual nodes.
Claims (5)
1. heating furnace monitoring system based on ZigBee technology Mesh net, it is characterized in that, comprise: the heating furnace (1) that is electrically connected to successively, flue gas analyzer (2), PLC(3) and terminal node (4), described terminal node (4) is communicated by letter with Centroid (5) by the Mesh net, the output of described Centroid (5) is connected with Central Control Room industrial computer (6), wherein, described heating furnace (1), flue gas analyzer (2) and PLC(3) consist of heating furnace signal gathering unit (7), and, being provided with that described heating furnace signal gathering unit (7) and terminal node (4) are corresponding is a plurality of.
2. the heating furnace monitoring system based on ZigBee technology Mesh net according to claim 1, it is characterized in that, described PLC(3) electric signal that flue gas analyzer (2) is collected converts the RS485 signal to, and is transferred to terminal node (4) by serial ports.
3. the heating furnace monitoring system based on ZigBee technology Mesh net according to claim 1, is characterized in that, also is provided with transistroute (8) between described terminal node (4) and Centroid (5), and communicates by the Mesh net.
4. the heating furnace monitoring system based on ZigBee technology Mesh net according to claim 1, is characterized in that, also can communicate mutually by the Mesh net between described adjacent terminal node (4).
5. the heating furnace monitoring system based on ZigBee technology Mesh net according to claim 1, is characterized in that, described terminal node (4), Centroid (5) and transistroute (8) all adopt the Zigbee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559381 CN202939164U (en) | 2012-10-29 | 2012-10-29 | Monitoring system for heating furnace based on Mesh network of Zigbee technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559381 CN202939164U (en) | 2012-10-29 | 2012-10-29 | Monitoring system for heating furnace based on Mesh network of Zigbee technology |
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| Publication Number | Publication Date |
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| CN202939164U true CN202939164U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220559381 Expired - Lifetime CN202939164U (en) | 2012-10-29 | 2012-10-29 | Monitoring system for heating furnace based on Mesh network of Zigbee technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI613398B (en) * | 2014-05-02 | 2018-02-01 | 氣體產品及化學品股份公司 | Remote burner monitoring system and method |
-
2012
- 2012-10-29 CN CN 201220559381 patent/CN202939164U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI613398B (en) * | 2014-05-02 | 2018-02-01 | 氣體產品及化學品股份公司 | Remote burner monitoring system and method |
| US10508807B2 (en) | 2014-05-02 | 2019-12-17 | Air Products And Chemicals, Inc. | Remote burner monitoring system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |