CN202524430U - Hoisting machinery health monitoring system based on field bus sensing technology - Google Patents
Hoisting machinery health monitoring system based on field bus sensing technology Download PDFInfo
- Publication number
- CN202524430U CN202524430U CN2012200975671U CN201220097567U CN202524430U CN 202524430 U CN202524430 U CN 202524430U CN 2012200975671 U CN2012200975671 U CN 2012200975671U CN 201220097567 U CN201220097567 U CN 201220097567U CN 202524430 U CN202524430 U CN 202524430U
- Authority
- CN
- China
- Prior art keywords
- hoisting machinery
- health monitoring
- fieldbus
- sensing technology
- monitoring systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a hoisting machinery health monitoring system based on field bus sensing technology. The hoisting machinery health monitoring system based on field bus sensing technology comprises a protocol conversion module, a data processing server and more than one sensing node, wherein each sensing node is connected with an input terminal of the protocol conversion module through a field bus, an output terminal of the protocol conversion module is connected with data processing server, each sensing node comprises more than one sensor interface used for connecting with a sensor which is equipped at a crucial portion of hoisting machinery to be monitored. Reliability and flexibility of the hoisting machinery health monitoring system are improved through a field bus mode, moreover, data acquired by sensors are transmitted to the data processing server through the field bus, and recognition and diagnosis of damage situations of the hoisting machinery are achieved by data analysis, and therefore, on-line monitoring and diagnosis of the hoisting machinery are achieved in real time, and scientific bases for guaranteeing safe operation of the hoisting machinery are provided.
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 the fieldbus sensing technology.
Background technology
Hoisting machinery is a kind of steel vessel equipment, in petroleum refining industry and petrochemical industry, is mainly used in to store and transportation liquid state or gaseous state material.
Because hoisting machinery in use; Receive the influence of internal pressure and external environment; Can engender the certain dangerous position, for example: because of phenomenons such as fracture propagation, plastic deformation or phase transformation increase the danger that hoisting machinery leaks, so; For guaranteeing the safe handling of hoisting machinery, usually need carry out health detection to hoisting machinery.
Existing hoisting machinery health detecting method generally comprises following two types: (one) artificial directly visual inspection: promptly: through the outward appearance on naked eyes Direct observation hoisting machinery surface, thereby judge whether dangerous position of hoisting machinery.The major defect that this method exists is: on the one hand, the personnel that need have rich experiences just can carry out visual inspection, thereby have limited its application; On the other hand, the artificial visually examine checks usually can only provide qualitative conclusion to the health status of hoisting machinery, can't quantize, and, subjective to the conclusion of hoisting machinery health status, be difficult to hoisting machinery health status is made accurate evaluation.(2) adopt portable instrument to monitor the health status of hoisting machinery: promptly, when needs are monitored the health status of hoisting machinery, at a certain detecting instrument of hoisting machinery mounted on surface, thus the health status of detection hoisting machinery.The major defect that this kind method exists is: real-time is poor, can't carry out permanently effective monitoring to the health status of hoisting machinery.
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 the fieldbus sensing technology, has high reliability and monitoring accuracy, thereby realizes the permanently effective monitoring to the health status of hoisting machinery.
The technical scheme that the utility model adopts is following:
The utility model provides a kind of hoisting machinery health monitoring systems based on the fieldbus sensing technology, comprising: protocol conversion module, data processing server and an above sensing node; Each said sensing node is connected with the input of said protocol conversion module through fieldbus, and the output of said protocol conversion module is connected with said data processing server; Each said sensing node comprises an above sensor interface, and said sensor interface is used for being connected with the transducer that is installed in hoisting machinery key position to be monitored.
Preferably, the quantity of the said sensor interface that has of each said sensing node is 4.
Preferably, said sensing node also comprises: digital sampling and processing; Said digital sampling and processing comprises signal conditioning circuit, A/D convertor circuit, MCU and the bus communication module that connects successively.
Preferably, said transducer is the resistance strain gage transducer.
Preferred said resistance strain gage transducer is integrated to have temperature-compensation circuit.
Preferably, said hoisting machinery key position to be monitored comprises hoisting machinery steel case beam and/or hoisting machinery girder.
Preferably, mode and/or the magnetic of said transducer through the welding mode of attaching is fixed on said hoisting machinery key position to be monitored place.
Preferably, said transducer is encapsulated in the protection box.
Preferably, said sensing node attaches the outer surface that is fixed on said hoisting machinery to be monitored through magnetic.
Preferably, said protocol conversion module is for being the module of usb protocol with the CAN protocol conversion.
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 at hoisting machinery key position sensor installation to be monitored based on the fieldbus sensing technology; And, through the fieldbus mode, improved the reliability and the flexibility of monitoring system; In addition; Sensor acquisition to data be uploaded to data processing server through fieldbus; 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 fieldbus sensing technology;
The structural representation of the sensing node that Fig. 2 provides for the utility model;
The software module figure of the hoisting machinery health monitoring systems that Fig. 3 provides for the utility model.
Embodiment
Below in conjunction with accompanying drawing the hoisting machinery health monitoring systems based on the fieldbus sensing technology that the utility model provides is elaborated.
As shown in Figure 1, a kind of hoisting machinery health monitoring systems based on the fieldbus sensing technology for the utility model embodiment provides comprises: protocol conversion module, data processing server and an above sensing node; Each said sensing node is connected with the input of said protocol conversion module through fieldbus, and the output of said protocol conversion module is connected with said data processing server; Each said sensing node comprises an above sensor interface, and said sensor interface is used for being connected with the transducer that is installed in hoisting machinery key position to be monitored.Owing to adopt the fieldbus mode, the reliability and the flexibility that have improved monitoring system.
The hoisting machinery health monitoring systems based on the fieldbus sensing technology that the utility model provides is to be research object with the hoisting machinery steel construction; Site of deployment bus sensing technology, the comprehensive monitor system that the parameters such as strain of key position on the steel construction are monitored in real time.Introduce respectively in the face of sensing node, protocol conversion module and data processing server down:
(1) sensing node
Each sensing node comprises the plurality of sensors interface, is preferably 4, is connected with the transducer that is installed in hoisting machinery key position to be monitored through sensor interface.
Wherein, to this application-specific object of hoisting machinery, the transducer that this monitoring system adopts can be the resistance strain gage transducer.Can adopt the extensibility better material to make the substrate of resistance strain gage transducer; For example: select for use the high-quality low carbon-structural steel to make the resistance strain gage sensor base; And thick 3 to 5 times of substrate thicknesss than general resistance strain gage substrate thickness, strengthening its sturdy and durable performance, and convenient welding; And after substrate is through grinding, polishing, clean, adopt Britain's ion sputtering to make sensitive grid at substrate surface; The lead-out wire of resistance strain gage is designed to include the red copper lead of extraordinary composite material insulating barrier, thereby improves the tensile property and the insulation property of resistance strain gage transducer, guarantees the insulation with the hoisting machinery metal structure; And the lead-out wire terminal is made seal form, avoids signal to be interfered; Cap rock adopts high intensity glass fiber cloth, strengthens its Corrosion Protection under using in the open.Through the improvement of above-mentioned several respects, sensitivity, durability and the resistance strain gage transducer of resistance strain gage transducer and the stickiness of hoisting machinery metal structure have been strengthened.
Simultaneously, the resistance strain gage transducer is integrated has a temperature-compensation circuit.System design special-purpose bridge-type temperature-compensation circuit, utilize electrical bridge principle to realize the counteracting certainly of temperature effect.When the resistance strain gage transducer be installed in can the test specimen of free wxpansion on, do not receive external force to do the time spent at test specimen, if the constant then foil gauge of ambient temperature answer vanishing, if variation of ambient temperature, foil gauge can produce strain output.In order to eliminate this temperature effect, native system has designed bridge-type resistance strain gage circuit.The resistance strain gage material object is made a pair of same foil gauge; That a slice foil gauge of wherein using do temperature-compensating is not installed in the hoisting machinery surface and is installed in the test block that adds; Come the variation of the caused foil gauge resistance of compensation temperature through bridge circuit design, and then the caused strain output of compensation temperature.When not adopting temperature-compensating, also can be used as uncompensated foil gauge.As shown in table 1, be the detail parameters table of resistance strain gage.
Table 1
The resistance strain gage transducer of native system design is when being integrated with the temperature-compensating sheet; For making things convenient for transducer and back being connected of digital sampling and processing; Specialized designs has connection welding, when satisfying the mass production of resistance strain gage transducer, increase the practicality of resistance strain gage transducer and different system acquisition processing module.When changing digital sampling and processing according to system is different later on, can carry out the design and development of resistance strain gage again.
Through reaching the monitoring test test in 1 year, resistance strain gage stable fine can accomplish the health monitoring task, can not reach fatigue limit, need not replacing.
In actual application,, select the suitable arrangement position according to the integrated stress distribution situation of large scale hoisting machinery to large scale hoisting machinery metal structure characteristics and on-the-spot running environment.Particular location comprises: hoisting machinery steel case beam and/or hoisting machinery girder.The mode that transducer can attach through the mode and/or the magnetic of welding is fixed on hoisting machinery key position to be monitored place.
Sensing node also comprises: digital sampling and processing; Said digital sampling and processing comprises signal conditioning circuit, A/D convertor circuit, MCU and the bus communication module that connects successively.As shown in Figure 2, be the structural representation of sensing node.Digital sampling and processing be responsible for to sensor senses to primary signal carry out preliminary treatment such as signal condition, analog-to-digital conversion; Digital signal after will changing again is uploaded to MCU; Realize the data communication between the different sensing nodes by MCU through the control bus communication module, this is the gatherer process of one whole.
Because the digital sampling and processing in each sensing node all is integrated with the bus communication module, can accomplish the transmitting-receiving work of data between different sensing nodes, thereby realize setting up the function of communicating by letter between the multipoint mode sensing node.
(2) protocol conversion module
Protocol conversion module is for being the module of usb protocol with the CAN protocol conversion
(3) data processing server
Data processing server can be communicated by letter with a plurality of monitoring terminals through the internet; Each monitoring terminal can obtain monitoring information through Internet visit data processing server; Thereby realize that a plurality of monitoring terminals monitor the state of large scale hoisting machinery simultaneously, further strengthened the flexibility and the practicality of health monitoring systems.
In addition, the hoisting machinery health monitoring systems based on the fieldbus sensing technology that the utility model provides also comprises: hoisting machinery structural health evaluating system, realize assessment to the health status of hoisting machinery structure.
Concrete; Hoisting machinery structural health evaluating system comprises data base administration that measured data are handled, expert system assessment software etc.; In order to realizing real time on-line monitoring and storage and inquiry, and combine correlation theory to realize to early warning, identification and the safety evaluatio of crane structure damage and life appraisal etc. to the crane strain.As shown in Figure 3, software module figure in the hoisting machinery health monitoring systems that provides for the utility model.
Functional requirement to hoisting machinery health monitoring evaluation system; Dynamic strain information and the fast characteristics of system's frequency response according to crane; The software system structure of design has adopted advanced C/S structure and 3D modeling technique; Thereby realize real-time Stress calculation, demonstration and alarm function, formed friendly man-machine interaction environment.
Health evaluation 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.A kind of concrete implementation is: may further comprise the steps: (one) equipment risk management module is at first confirmed the value-at-risk and the major hazard source of large scale hoisting machinery; (2) inquiry hoisting machinery survey report in the past; Find out easily vulnerable position and key position; Formulate monitoring plan, large scale hoisting machinery is monitored.The 3rd, the major hazard source of large scale hoisting machinery is monitored, the real time data of monitoring is analyzed and diagnosed.The 4th, to the information gathering of large scale hoisting machinery affiliated unit with put on record, be convenient to management organization to applying unit unified management and detection.
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 the fieldbus sensing technology; And, through the fieldbus mode, owing to connect a plurality of transducers through fieldbus; Can realize large-scale distributed monitoring, also save many holding wires simultaneously, avoid the loaded down with trivial details problem that connects up; Thereby help setting up distributed network, improved the reliability and the flexibility of monitoring system; In addition; Sensor acquisition to data be uploaded to data processing server through fieldbus; 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 the fieldbus sensing technology is characterized in that, comprising: protocol conversion module, data processing server and an above sensing node; Each said sensing node is connected with the input of said protocol conversion module through fieldbus, and the output of said protocol conversion module is connected with said data processing server; Each said sensing node comprises an above sensor interface, and said sensor interface is used for being connected with the transducer that is installed in hoisting machinery key position to be monitored.
2. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that the quantity of the said sensor interface that each said sensing node has is 4.
3. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that said sensing node also comprises: digital sampling and processing; Said digital sampling and processing comprises signal conditioning circuit, A/D convertor circuit, MCU and the bus communication module that connects successively.
4. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that said transducer is the resistance strain gage transducer.
5. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 4 is characterized in that, said resistance strain gage transducer is integrated to have temperature-compensation circuit.
6. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that, said hoisting machinery key position to be monitored comprises hoisting machinery steel case beam and/or hoisting machinery girder.
7. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that, the mode that mode and/or the magnetic of said transducer through welding attaches is fixed on said hoisting machinery key position to be monitored place.
8. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that said transducer is encapsulated in the protection box.
9. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that said sensing node attaches the outer surface that is fixed on said hoisting machinery to be monitored through magnetic.
10. the hoisting machinery health monitoring systems based on the fieldbus sensing technology according to claim 1 is characterized in that, said protocol conversion module is for being the module of usb protocol with the CAN protocol conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200975671U CN202524430U (en) | 2012-03-15 | 2012-03-15 | Hoisting machinery health monitoring system based on field bus sensing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200975671U CN202524430U (en) | 2012-03-15 | 2012-03-15 | Hoisting machinery health monitoring system based on field bus sensing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524430U true CN202524430U (en) | 2012-11-07 |
Family
ID=47107354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200975671U Expired - Fee Related CN202524430U (en) | 2012-03-15 | 2012-03-15 | Hoisting machinery health monitoring system based on field bus sensing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524430U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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***与信息技术研究所 | Multi-layer multi-collection-point hoisting machine structure health monitoring system |
| CN104197993A (en) * | 2014-09-22 | 2014-12-10 | 广州特种机电设备检测研究院 | Health monitoring and safety warning method for shipbuilding gantry crane structure |
| CN107399672A (en) * | 2017-09-11 | 2017-11-28 | 深圳市航天华拓科技有限公司 | crane health monitoring system and method |
-
2012
- 2012-03-15 CN CN2012200975671U patent/CN202524430U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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***与信息技术研究所 | Multi-layer multi-collection-point hoisting machine structure health monitoring system |
| CN104197993A (en) * | 2014-09-22 | 2014-12-10 | 广州特种机电设备检测研究院 | Health monitoring and safety warning method for shipbuilding gantry crane structure |
| CN107399672A (en) * | 2017-09-11 | 2017-11-28 | 深圳市航天华拓科技有限公司 | crane health monitoring system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10768092B2 (en) | Measurement systems and methods for corrosion testing of coatings and materials | |
| CN103241658B (en) | Based on vibrative mechanism health monitoring and the safety pre-warning system of Internet of Things | |
| RU2327105C2 (en) | Method of monitoring condition of building or engineering-construction utility structure and device for its implementation | |
| CN202485639U (en) | Spherical tank health monitoring system based on fiber bragg grating (FBG) sensor technology | |
| CN106404078A (en) | Transformer online monitoring device | |
| CN114638280B (en) | Explosion-proof motor bearing temperature anomaly monitoring system based on local equipment network | |
| CN202524430U (en) | Hoisting machinery health monitoring system based on field bus sensing technology | |
| CN202518951U (en) | Hoisting machine health monitoring system based on fiber bragg grating sensing technology | |
| CN109099975A (en) | A kind of building structure health monitoring systems | |
| CN202177920U (en) | Online monitoring system for food safety | |
| CN107860425A (en) | A kind of bridge structural health monitoring and early warning system and method | |
| CN113569445A (en) | Steel structure health monitoring system and method based on digital twinning technology | |
| CN204287178U (en) | A kind of transformer oil quality on-line monitoring device | |
| CN109541022A (en) | A kind of bridge structure crack health monitoring analysis method | |
| CN102564875A (en) | Steel wire rope fatigue assessment system based on five point bending test | |
| CN202524429U (en) | Hoisting machinery health monitoring system based on wireless sensing nodes | |
| CN104089838A (en) | Method for rapidly detecting insulation life of cable based on hardness | |
| CN103312758A (en) | Spherical tank health monitoring system based on wireless sensing nodes | |
| CN103018329B (en) | Structural damage monitoring system and method based on piezoelectric ultrasonic-smart grids | |
| CN111311872A (en) | Long-term monitoring and alarming system for stress of hull structure | |
| CN111562037B (en) | Thermometer fault detection method and device | |
| CN210322907U (en) | Acoustic emission signal acquisition system for flaw detection of storage tank | |
| Abdullahi et al. | Accelerometer Based Structural Health Monitoring System on the Go: Developing Monitoring Systems with NI LabVIEW. | |
| CN202485626U (en) | Field bus sensor technology based spherical tank health monitoring system | |
| CN206847677U (en) | A kind of multi-parameter portable warehousing and transportation facilities detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |