CN202524429U - Hoisting machinery health monitoring system based on wireless sensing nodes - Google Patents
Hoisting machinery health monitoring system based on wireless sensing nodes Download PDFInfo
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- CN202524429U CN202524429U CN2012200975510U CN201220097551U CN202524429U CN 202524429 U CN202524429 U CN 202524429U CN 2012200975510 U CN2012200975510 U CN 2012200975510U CN 201220097551 U CN201220097551 U CN 201220097551U CN 202524429 U CN202524429 U CN 202524429U
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- hoisting machinery
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Abstract
The utility model provides a hoisting machinery health monitoring system based on wireless sensing nodes. The hoisting machinery health monitoring system based on wireless sensing nodes comprises more than one sensor acquisition system and a data acquisition network gateway, wherein each sensor acquisition system is in wireless connection with the data acquisition network gateway. The hoisting machinery health monitoring system based on wireless sensing nodes can monitor a health state of hoisting machinery in real time, and noise interference caused by long cable transmission is eliminated by employing a wireless transmission mode, and monitoring precision and capacity of interference resistance of the monitoring system are improved.
Description
Technical field
The utility model belongs to hoisting machinery health monitoring technical field, is specifically related to a kind of hoisting machinery health monitoring systems based on wireless sensing node.
Background technology
The health status of hoisting machinery directly affects the fail safe and the reliability of complete machine.Because hoisting machinery is in the operation process; Receive that operational environment, hoisting machinery are deposited, the influence of handling and installation etc.; Its metal structure can engender variation in various degree, so, need constantly the health status of hoisting machinery to be monitored; Thereby conveniently hoisting machinery is safeguarded, and improved the fail safe that hoisting machinery uses.
The detection method of existing hoisting machinery quality is mainly visual method, because visual method only is qualitative judgement, and receives the restriction of observer's experience level, so, have the low defective of accuracy of detection.In addition, when some significant points of hoisting machinery is estimated, usually need shutdown inspection, thereby influenced the regular event of hoisting machinery, and increased the weight of human cost.
The utility model content
To the defective that prior art exists, the utility model provides a kind of hoisting machinery health monitoring systems based on wireless sensing node, can the health status of hoisting machinery be monitored in real time; And, through wireless transmission method, on the one hand; Avoid on-the-spot loaded down with trivial details wiring, have convenient installation, and; Also eliminate the noise jamming that long cable transmission is brought, thereby improved the reliability of signal transmission, and then improved the monitoring accuracy and the antijamming capability of monitoring system.
The technical scheme that the utility model adopts is following:
The utility model provides a kind of hoisting machinery health monitoring systems based on wireless sensing node, comprising: data acquisition gateway and at least one sensor acquisition system, each said sensor acquisition system and said data acquisition gateway wireless connections.
Preferably, each said sensor acquisition system self-organizing forms star-like, line style or netted network topology structure.
Preferably, each said sensor acquisition system comprises: sensor node, signal conditioning circuit and be fixedly mounted on the transducer of hoisting machinery to be monitored surface key position more than one; Each said transducer is connected with said sensor node through said signal conditioning circuit.
Preferably, said signal conditioning circuit comprises signal amplification circuit, signal filter circuit and the A/D change-over circuit that connects successively.
Preferably, said sensor node comprises: power module, digital sampling and processing, radio receiving transmitting module and data memory module; Said power module is connected with said digital sampling and processing, said radio receiving transmitting module and said data memory module respectively.
Preferably, said sensor node also comprises: the sensor node shell; Said power module, said digital sampling and processing, said radio receiving transmitting module and said data memory module are encapsulated in said sensor node enclosure.
Preferably, said transducer is one or more in temperature sensor, pressure sensor and the acceleration transducer.
Preferably, also comprise: data processing and Control Server; Said data acquisition gateway is connected with Control Server with said data processing through the Internet.
Preferably, said data acquisition gateway comprises: the data acquiring control circuit and the telecommunication circuit that connect successively.
Preferably, said data acquiring control circuit comprises: the gateway stores module; Said telecommunication circuit comprises one or more in USB interface, ethernet interface and the GPRS/CDMA communication interface.
The beneficial effect of the utility model is following:
Through the hoisting machinery health monitoring systems that uses the utility model to provide,, realized the health status of hoisting machinery is monitored in real time through key position sensor installation on hoisting machinery to be monitored surface based on wireless sensing node; And, through wireless transmission method, eliminated the noise jamming that long cable transmission is brought, improved the monitoring accuracy and the antijamming capability of monitoring system; In addition; Sensor acquisition to data be uploaded to data processing and Control Server through network; Through data are analyzed, realize the degree of impairment of identification and diagnosis hoisting machinery, therefore; The utility model has been realized the real time on-line monitoring of hoisting machinery and diagnosis, for the safe operation that ensures hoisting machinery provides scientific basis.
Description of drawings
The structural representation that Fig. 1 provides for the utility model based on the hoisting machinery health monitoring systems of wireless sensing node;
The external structure figure of sensor node in the hoisting machinery health monitoring systems that Fig. 2 provides for the utility model;
Fig. 3 is the circuit theory diagrams of a passage in the sensor node;
Software module figure in the hoisting machinery health monitoring systems that Fig. 4 provides for the utility model.
Embodiment
Below in conjunction with accompanying drawing the hoisting machinery health monitoring systems based on wireless sensing node that the utility model provides is elaborated.
As shown in Figure 1; A kind of hoisting machinery health monitoring systems that provides for the utility model embodiment based on wireless sensing node; Comprise: data acquisition gateway and at least one sensor acquisition system, each said sensor acquisition system and said data acquisition gateway wireless connections.Because the sensor acquisition system is connected through wireless transmission method with data acquisition gateway, has eliminated the noise jamming that long cable transmission is brought, and has improved the monitoring accuracy and the antijamming capability of monitoring system.
Facing sensor acquisition system and data acquisition gateway down introduces respectively:
(1) sensor acquisition system
Because data acquisition gateway links to each other with a plurality of sensor acquisition system, so each sensor acquisition system can be based on the 802.15.4 agreement, and self-organizing forms star-like, line style or network topology structure such as netted.
Comprise for each sensor acquisition system: sensor node, signal conditioning circuit and be fixedly mounted on the transducer of hoisting machinery to be monitored surface key position more than one; Each said transducer is connected with said sensor node through said signal conditioning circuit.Wherein, Transducer comprises: temperature sensor, pressure sensor, acceleration transducer etc.; Be used to monitor the situation of change of the various parameters of hoisting machinery; For example: parameters such as the distortion of hoisting machinery key position, strain, amount of deflection, vibration, thus help obtaining more accurately the degree of impairment of hoisting machinery.Transducer sends to signal conditioning circuit with the information that collects, and after signal conditioning circuit carries out signal condition, passes to sensor node again, carries out subsequent treatment by sensor node.Each transducer can be called a passage to the path that connects and composes between the sensor node; Each passage is built-in with independently high accuracy 120-1000 Ω bridge resistance, and amplifying and conditioning circuit; Can automatically switch by software easily and select 1/4 bridge, half-bridge or full bridge measurement mode, compatible various types of bridge circuit transducers.As shown in Figure 2, the external structure figure of sensor node is as shown in table 1 in the hoisting machinery health monitoring systems that provides for the utility model, is the parameter list of four sensor nodes in the sensor node.As shown in Figure 3, the circuit theory diagrams of a passage in the sensor node.Wherein, Signal conditioning circuit comprises signal amplification circuit, signal filter circuit and the A/D change-over circuit that connects successively; Be used for to the electrical information of uploading from transducer that receives amplify, filtering and analog-to-digital conversion process; Obtain digital signal, and this digital signal is sent to sensor node.
Table 1
Concrete, sensor node can also comprise: power module, digital sampling and processing, radio receiving transmitting module and data memory module.Wherein, power module is connected with digital sampling and processing, radio receiving transmitting module and data memory module respectively, is used for to each module for power supply.And for prolonging the working life of sensor node, sensor node also comprises: the sensor node shell; Said power module, said digital sampling and processing, said radio receiving transmitting module and said data memory module are encapsulated in said sensor node enclosure, and wherein, shell can be Ryton PPS plastic casing.Digital sampling and processing is used to control the sample frequency of each transducer; Data memory module be used for to sensor acquisition to information carry out node storage, radio receiving transmitting module be used for sensor acquisition to information be uploaded to data acquisition gateway through wireless mode.
The sensor node that the utility model provides has compact conformation, the advantage of advantages of small volume.And the data of sensor node collection both can transfer to computer by real-time radio, also can be stored in the built-in data memory module of sensor node, had guaranteed the accuracy of image data.The air transfer rate of sensor node can reach 250K BPS, and communication distance can reach 100m outside the effective chamber.And sensor node is designed with special power management software and hardware, and under real-time interrupted transmission situation, node power consumption is 25mA only, uses built-in rechargeable battery, but continuous measurement tens hours.
Therefore, this sensor node is easy to use, and the wireless digital signal transmission means has been eliminated the noise jamming that long cable transmission is brought, and whole measuring system has high certainty of measurement and antijamming capability.Wireless sensor node can be formed huge wireless sensor network, supports thousands of measuring points to carry out the large scale structure monitoring simultaneously.
(2) data acquisition gateway
Data acquisition gateway is responsible for transferring to computer to the wireless data that receives through computer interface and is stored analyzing and processing.Data acquisition gateway comprises: the data acquiring control circuit and the telecommunication circuit that connect successively.Data acquiring control circuit comprises: the gateway stores module is used to realize the storage of the digital signal that obtains through signal conditioning circuit.Telecommunication circuit comprises: USB interface, ethernet interface, GPRS/CDMA communication interface; Thereby realize the data that data acquisition gateway obtains are carried out the purpose of local transmission or remote transmission.
Data acquisition gateway has following characteristic: the data transparent transmission is supported in (1); (2) support broken string to reconnect automatically; (3) metadata cache of the maximum 8G of support; (4) support data center's DDNS or IP accessed; (5) support always online mode of operation; (6) support is solar powered; (7) configuration file need not serial ports in the SD card, convenient configuration; (8) operating current 140mA/12V, online standby current 100mA/12V; (9) classification of waterproof IP66 is adapted at field work.
In addition; The hoisting machinery health monitoring systems that the utility model provides based on wireless sensing node; Also comprise: with data processing and the Control Server of data acquisition gateway through Internet connection; Data processing and Control Server also are connected with hoisting machinery structural health evaluating system, realize the assessment to the health status of hoisting machinery structure.
Concrete, hoisting machinery structural health evaluating system comprises: equipment risk management module, unit check administration module, health monitoring of equipment module and FU administration module.
Wherein, Equipment risk management module mainly is to adopt the real-time Monitoring Data and the theory of risk assessment method of large scale hoisting machinery; The dynamic risk of large scale hoisting machinery is analyzed and assessed, and risk is sorted, to realize risk management hoisting machinery.
The unit check administration module is that the examining report with the hoisting machinery of checking carries out electronics and puts on record and classification.
The health monitoring of equipment module is to be made up of distributed data acquisition, processing, control and communication function.Can show the real time data synchronization that each sensor node collects, analyze and storage, the data that collect be with file format, for example: UFF, CSV, and storages such as TXT, can outputing to widely, third party software carries out reprocessing.Information such as pick up calibration parameter in addition,, channel data, position also can write sensor node inside through data acquisition software.To the abnormal conditions Realtime Alerts in the network, be beneficial to the maintenance and management of network.Also comprise simultaneously the damage of hoisting machinery is discerned and diagnosed, to realize the real time on-line monitoring of large scale hoisting machinery and diagnosis etc.
The FU administration module is to the information gathering of large scale hoisting machinery affiliated unit and puts on record.Be convenient to management organization to applying unit unified management and detection.
In the utility model, to the functional requirement of large scale hoisting machinery health monitoring systems, the design software system configuration has adopted advanced C/S structure, realizes monitoring in real time, handles and damage early warning in real time, and man-machine interaction environment is friendly.As shown in Figure 4, software module figure in the hoisting machinery health monitoring systems that provides for the utility model.
Introduce a kind of embodiment of the utility model below: native system is applied on the 15 ton bridge crane machines, verifies its monitoring performance.This 15 ton bridge crane machine span is 16.5m, and orbit altitude is 9m, and the cart track length is 120m, cart speed of service 82.3m/min, and crab traversing speed 38.9m/min is operated in the job shop in shipyard.At girder span centre upper cover plate upper surface 5 points are set and measure, these 5 points are respectively: 1/4 1/8 2 points about 2 points, upper cover plate about span centre upper cover plate 1/2 point, upper cover plate, can once carry out the distributed monitoring of whole crane girder like this.Open the software of monitoring system, crane is loaded, the control experiment shows that 5 channel monitoring data are all normal.Contrast is applied in first passage with straingauge, and the strain value that result that this monitoring system is surveyed and special-purpose straingauge print is basic identical.Through evidence, this monitoring system and traditional resistance strain gage detection technique have the consistency of data and precision, and on-the-spot installation is more convenient with operation, also can monitor for a long time simultaneously.
In sum, the hoisting machinery health monitoring systems based on wireless sensing node that the utility model provides through the key position sensor installation on hoisting machinery to be monitored surface, has been realized the health status of hoisting machinery is monitored in real time; And, through wireless transmission method, eliminated the noise jamming that long cable transmission is brought, improved the monitoring accuracy and the antijamming capability of monitoring system; In addition; Sensor acquisition to data be uploaded to data processing and Control Server through network; Through data are analyzed, realize the degree of impairment of identification and diagnosis hoisting machinery, therefore; The utility model has been realized the real time on-line monitoring of hoisting machinery and diagnosis, for the safe operation that ensures hoisting machinery provides scientific basis.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be looked protection scope of the present invention.
Claims (10)
1. the hoisting machinery health monitoring systems based on wireless sensing node is characterized in that, comprising: data acquisition gateway and at least one sensor acquisition system, each said sensor acquisition system and said data acquisition gateway wireless connections.
2. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 1 is characterized in that, that each said sensor acquisition system self-organizing forms is star-like, line style or netted network topology structure.
3. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 1; It is characterized in that each said sensor acquisition system comprises: sensor node, signal conditioning circuit and be fixedly mounted on the transducer of hoisting machinery to be monitored surface key position more than one; Each said transducer is connected with said sensor node through said signal conditioning circuit.
4. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 3 is characterized in that, said signal conditioning circuit comprises signal amplification circuit, signal filter circuit and the A/D change-over circuit that connects successively.
5. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 3 is characterized in that said sensor node comprises: power module, digital sampling and processing, radio receiving transmitting module and data memory module; Said power module is connected with said digital sampling and processing, said radio receiving transmitting module and said data memory module respectively.
6. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 3 is characterized in that said sensor node also comprises: the sensor node shell; Said power module, said digital sampling and processing, said radio receiving transmitting module and said data memory module are encapsulated in said sensor node enclosure.
7. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 3 is characterized in that said transducer is one or more in temperature sensor, pressure sensor and the acceleration transducer.
8. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 1 is characterized in that, also comprises: data processing and Control Server; Said data acquisition gateway is connected with Control Server with said data processing through the Internet.
9. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 1 is characterized in that said data acquisition gateway comprises: the data acquiring control circuit and the telecommunication circuit that connect successively.
10. the hoisting machinery health monitoring systems based on wireless sensing node according to claim 9 is characterized in that said data acquiring control circuit comprises: the gateway stores module; Said telecommunication circuit comprises one or more in USB interface, ethernet interface and the GPRS/CDMA communication interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200975510U CN202524429U (en) | 2012-03-15 | 2012-03-15 | Hoisting machinery health monitoring system based on wireless sensing nodes |
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| CN2012200975510U CN202524429U (en) | 2012-03-15 | 2012-03-15 | Hoisting machinery health monitoring system based on wireless sensing nodes |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043079A (en) * | 2012-12-21 | 2013-04-17 | 江苏睿励信息科技研究院有限公司 | Online stress and temperature monitoring system of chain-net type seamless steel rail |
| CN103267763A (en) * | 2013-04-27 | 2013-08-28 | 广州市特种机电设备检测研究院 | Health monitoring method for metal structure of hoisting machinery |
| CN103557890A (en) * | 2013-11-15 | 2014-02-05 | 中国科学院上海微系统与信息技术研究所 | Multi-layer multi-collection-point hoisting machine structure health monitoring system |
| CN103950837A (en) * | 2014-05-21 | 2014-07-30 | 上海市特种设备监督检验技术研究院 | Safety monitoring system for hoisting machine and method |
| CN106323156A (en) * | 2016-08-06 | 2017-01-11 | 太原理工大学 | Frequency-hopping spread-spectrum communication-based bridge circuit-adjustable wireless strain sensing device |
| CN111076886A (en) * | 2020-01-02 | 2020-04-28 | 南京中船绿洲机器有限公司 | Vibration testing method of high-performance electric deck crane |
-
2012
- 2012-03-15 CN CN2012200975510U patent/CN202524429U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043079A (en) * | 2012-12-21 | 2013-04-17 | 江苏睿励信息科技研究院有限公司 | Online stress and temperature monitoring system of chain-net type seamless steel rail |
| CN103267763A (en) * | 2013-04-27 | 2013-08-28 | 广州市特种机电设备检测研究院 | Health monitoring method for metal structure of hoisting machinery |
| CN103267763B (en) * | 2013-04-27 | 2016-01-20 | 广州市特种机电设备检测研究院 | A kind of lifting machinery metal structure health monitor method |
| CN103557890A (en) * | 2013-11-15 | 2014-02-05 | 中国科学院上海微系统与信息技术研究所 | Multi-layer multi-collection-point hoisting machine structure health monitoring system |
| CN103950837A (en) * | 2014-05-21 | 2014-07-30 | 上海市特种设备监督检验技术研究院 | Safety monitoring system for hoisting machine and method |
| CN103950837B (en) * | 2014-05-21 | 2016-04-27 | 上海市特种设备监督检验技术研究院 | A kind of safety monitoring system of elevator machinery and method |
| CN106323156A (en) * | 2016-08-06 | 2017-01-11 | 太原理工大学 | Frequency-hopping spread-spectrum communication-based bridge circuit-adjustable wireless strain sensing device |
| CN106323156B (en) * | 2016-08-06 | 2018-12-18 | 太原理工大学 | Frequency hopping spread spectrum communication means based on the adjustable wireless strain sensing device of bridge |
| CN111076886A (en) * | 2020-01-02 | 2020-04-28 | 南京中船绿洲机器有限公司 | Vibration testing method of high-performance electric deck crane |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20130315 |