CN203159066U - Operation state recorder of crane - Google Patents
Operation state recorder of crane Download PDFInfo
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- CN203159066U CN203159066U CN 201320182044 CN201320182044U CN203159066U CN 203159066 U CN203159066 U CN 203159066U CN 201320182044 CN201320182044 CN 201320182044 CN 201320182044 U CN201320182044 U CN 201320182044U CN 203159066 U CN203159066 U CN 203159066U
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Abstract
The utility model relates to an operation state recorder of a crane. The operation state recorder consists of a CPU (central processing unit) (1), a signal modulation module (2), a data storage device (3), an RS485 interface (4) and a 3G (three-generation) wireless module (5), wherein a signal outputted by a motor current and load sensor is filtered and modulated by the signal modulation module (2) and then is send into the CPU (1), an analog-digital converter which is embedded in the CPU is used for collecting the data, the data storage device (3) is used for triggering and storing the operation state information such as load and duration of the crane regularly or according to a working event of the crane, the RS485 interface (4) is used for communicating with a crane control system (6) and acquiring the operation control information of the crane, the 3G wireless module (5) is used for uploading the collected and stored crane operation state record to a remote computer monitoring system (7) so as to realize the remote state monitoring of the crane, and the safety evaluation and service life prediction of the crane can be realized. By adopting the operation state recorder of the crane, the operation and control state of the crane can be completely collected and acquired, so that data can be provided for tracking the fault or accident of the crane and evaluating the health and predicting the service life of the crane.
Description
Technical field
The utility model belongs to elevator machinery safe operation comprehensively monitoring technical field in the Industry Control, particularly a kind of hoisting crane running state recording instrument data acquisition, record and remote monitor and control and analysis.
Background technology
Elevator machinery is indispensable key equipment in the industry production such as machinery, metallurgy, shipbuilding, harbour, and the service life of weight-lifting equipment and the safety assessment of ultimate limit state are the problems that special equipment supervision and enterprise self are concerned about and press for solution very much.Hoisting crane running state recording instrument is the important device of weight overload and motor safety protection in the Industry Control, and the data that can well move hoisting crane record, show, store, analyze, and plays early warning and for the data support is provided after the accident.And the recording means that present domestic crane safety protection is adopted is single, mostly is the load record, only realizes the monitoring to load.Simultaneously domestic pertinent instruments lacks software and matches, and has only realized record and the monitoring, alarming of data, can not be very intuitively the running state of each hoisting crane be shown, and can not make estimation to the life-span of hoisting crane.
And the utility model, novelty consider that the crane motor running state is most important to whole hoisting crane running state, also indispensable to the monitoring of hoisting crane electric current, hoisting crane safety in service is improved.The utility model is according to the shortcoming of current existence, dispose the ipc monitor analysis software, the load and the electric current that are used for analytic record, mode by chart shows the state of hoisting crane intuitively, size in conjunction with number of times and the reverse stress (load) of hoisting crane reverse stress (load), by the weighted analysis to fatigue of material intensity, the life-span of hoisting crane is made rational prediction.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned the deficiencies in the prior art, thereby and provides a kind of and can monitor the hoisting crane running state recording instrument that the hoisting crane electric current improves the hoisting crane safety in operation simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of hoisting crane running state recording instrument comprises CPU, data acquisition module, data memory, RS485 interface and 3G wireless module; Described data acquisition module comprises for the current sensor of gathering multichannel Jack current of electric transformer and is used for gathering the load transducer of No. one Jack load; Described data acquisition module is connected the current signal that is used for the current sensor that will handle through data acquisition module filtering with described CPU and the load signal of load transducer is input in the CPU; Described data memory and described CPU are used for the storage of data; Described CPU communicates by letter with crane control system by described RS485 interface and controls information be used to obtaining the hoisting crane operation; Described CPU communicates by letter with the remote computer monitored control system for realizing the crane remote condition monitoring by described 3G wireless module.
Described CPU is the MC9S08AC60 micro controller system.
Described data memory is AT45DB321D type FLASH storage chip.
Hoisting crane operation conditions recording instrument of the present utility model has the multiplexed signal sampling system, can monitor the multiple health information of hoisting crane simultaneously, concrete characteristics are for adopting 8 road independent data channels designs, be respectively 2 road load signals and 6 road motor current signal passages, each acquisition channel comprises independently signal conditioning circuit, can carry out data acquisition fast synchronously, guarantee the real-time of image data.
Microprocessor (CPU) is Freescale MC9S08AC60 micro controller system, and the embedded A/D modular converter of this micro controller system can accurately carry out digital conversion to sensor input analog signal efficiently, need not to use in addition special-purpose A/D conversion chip.The high frequency noise that this kind micro controller system produces is low, antijamming capability is stronger, is suitable for industrial control field and rugged environment, and little convenient use of volume; This chip has a plurality of special purpose interfaces simultaneously, can communicate with other chips easily.
It is the FLASH chip of AT45DB321D model that data memory module adopts a slice model, size is 32M, can satisfy the requirement of storing above crane operating data half a year, data in the chip can be called extraction by upper computer software, in order to analyze the history run situation of hoisting crane, realize hoisting crane fault or accident black box data writing function, for the life prediction of hoisting crane provides support on the data.
This machine constitutes measurement and control network by the RS485 interface, can communicate with other monitoring means, and by the computer monitoring system data processing software data that collect is in real time handled.
The embedded handler of computer supervisory control system and recording instrument thereof constitutes the data processing module of our system, and the software analysis module is based on Windows operating system.Owing to adopt C Plus Plus to write, can transplant at different machines easily, simultaneously, we can be used for the monitoring of hoisting crane operation conditions in conjunction with the database development software DBM that has been program construction.Our system be designed to graph mode in real time or with the form of historical data show each hoisting crane operation conditions statistics and and variation tendency, and based on this operation conditions of hoisting crane is analyzed, realize the assessment of hoisting crane health status and life prediction.
The utility model can also be matched the 3G communication module, cooperates to be built with the hoisting crane operation conditions monitoring net of certain scale with relevant operator, and tens of even hundreds of hoisting cranes are monitored the operation conditions of each hoisting crane of real-time assessment.
Principle of work of the present utility model may be summarized to be: data acquisition module is to measuredly gathering, filtering, amplifying and be input in the micro controller system.Micro controller system carries out it being sent to data transmission module after the A/D conversion process or being written in the FLASH memory device to data.Wherein data transmission module comprises wired data transmission and wireless data transmission, receiver module, then by RS485 or 3G wireless communication port data is connected the formation measurement and control network with other watch-dog.The load transducers of can the supporting use multiple different sizes of the utility model, current sensor is realized the monitoring to the different operation conditionss of hoisting crane.
Advantage of the present utility model is
(1) simultaneously acquisition and recording crane motor time of run, load condition and crane motor current status, multiple different operation information is for the hoisting crane fault or accident is reviewed and the assessment of hoisting crane state of health and life prediction provide comprehensive data.
(2) adopt the 3G radio communication to communicate by letter with the remote computer monitored control system, no region and time limitation need not field wiring.
(3) hoisting crane running state monitoring and the health evaluating software of the installation of remote computer monitored control system can show long-range crane operating status by graph mode, and can carry out hoisting crane work load statistics, health evaluating and life prediction according to hoisting crane running state record data, make things convenient for the user in time to grasp crane operating status, avoid accident to take place.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the functional block diagram of the utility model hoisting crane running state recording instrument.
Fig. 2 is the utility model software analysis module frame chart.
The specific embodiment
By shown in Figure 1, the hoisting crane running state recording instrument that the utility model proposes comprises: microprocessor, data acquisition module, data transmission module, FLASH memory module etc.Data acquisition module, data transmission module, FLASH memory module link to each other with microprocessor respectively.And in upper computer, develop software, each hoisting crane data is added up analysis with trend etc., realize the assessment of hoisting crane health status and life prediction.
Data acquisition module adopts 8 tunnel analog signal channels independently, is respectively 2 road load signals and 6 road motor current signal passages, and each passage comprises independently signal filtering, amplify, and necessary signal isolation structure.Data acquisition module collects analog signal with load transducer and edd current transducer and gathers to micro controller system by passage separately respectively.Fig. 3 figure has listed typical data acquisition path circuitry structure.Respectively high frequency noise is carried out bypass after measured signal inserts from interface, filtering and amplify to handle is converted to the Transistor-Transistor Logic level signal of micro controller system compatibility with the normalized current signal of 4～20mA, makes things convenient for micro controller system to carry out subsequent treatment.
Advantages such as the microprocessor that the utility model adopts is the MC9S08AC60 micro controller system, and the high frequency noise that this micro controller system produces is low, antijamming capability is strong, comparatively is adapted at using in the rugged environment, and it is little to have a volume, and working stability is reliable.
This micro controller system carries the A/D modular converter, has special A/D translation interface, can carry out the A/D conversion to the data that collect fast and accurately, after sensor collects analog signal, by becoming digital quantity after the AD quantification, and the SPI serial ports by micro controller system, data are stored among the flash that extends out.
This micro controller system comprises special serial communication port, can directly be connected with the RS232 chip with RS485.By corresponding RS485 and RS232 port and other check implement formation monitor network.Simultaneously, we have designed the 3G communication interface for system, can expand system easily, realize hoisting crane is carried out remote monitor and control.
The RS485 bus is used for being connected the structure measurement and control network with other measure and control devices, and the RS232 bus then is used for interim and computing machine communicates, as system debug.
In order in limited circuit board space, to arrange RS485 and RS232 bus, we do not use traditional photosignal isolator to carry out data isolation, the RS232 and the RS485 communication chip that have adopted ADI company to isolate from band signal, make the native system structure more compact, improved the reliability of system simultaneously.
The data memory module of the utility model system adopts AT45DB321D type FLASH storage chip, according to our design needs, can store the hoisting crane health data of half a year.This FLASH chip adopts the SPI interface to be connected with micro controller system, because micro controller system has special-purpose SPI interface, so can realize very much the data transmission of FLASH chip and micro controller system very easily by the SPI mouth.Each working process transmits 8 bit data mutually, work is sent from host CPU and is started the transmission signal, this moment the data that will transmit 8 bit shift register of packing into, producing 8 clock signals simultaneously sends successively from the SPSCK pin, under the control of SPSCK signal, data in the main frame in 8 bit shift register are sent from the MOSI pin successively, send into its 8 bit shift register behind the MOSI pin of slave, realize the storage of data.
The part auxiliary circuit of the utility model system comprises that the external source that utilizes 5V voltage stabilizing chip changes 5V circuit, 3.3V and 5V voltage transitions chip and corresponding indicator lamp and ground protection circuit.The operation of supporting system.
This monitored control system has taken into full account when design may be in electromagnetic interference, the possibility of working under the harsies environment such as high temperature.In fabric swatch and the design of last casing, electromagnetic Compatibility Design and thermal design have been taken into full account.Guaranteed that native system can adapt to various working environment.
By shown in Figure 2, software analysis module of the present utility model mainly comprises, in real time monitoring analysis unit, the data base set life prediction unit that unifies.The monitoring analysis module can be called different hoisting crane data by selecting different hoisting cranes in real time, observes the historic state of hoisting crane operation.Perhaps real-time monitoring intuitively reflects state by trend map.DBM mainly is that the hoisting crane status data that collects is stored and historical data is extracted.In the data analysis module, according to collecting data, according to hoisting crane life-span correlated condition, carry out the assessment of Life Prediction and state of health.
The software analysis module is applicable to Windows operating system.Owing to adopt C Plus Plus to write, can transplant in different operating system easily, simultaneously, we can be used for record and the inquiry of hoisting crane operation conditions in conjunction with the database development software DBM that has been program construction.Our system be designed to graph mode in real time or with the form of historical data show each hoisting crane operation conditions statistics and and variation tendency, and based on this operation conditions of hoisting crane is analyzed, realize the assessment of hoisting crane health status and life prediction.
One or many hoisting crane numberings that the monitoring module of software is selected according to the user, be connected to corresponding hoisting crane by RS485 or 3G wireless network, real-time monitoring module reaches corresponding logging recorder system is sent data read command, upper computer reads load and the current data that lower computer is gathered in real time, and the data that read are stored in the data bank, simultaneously with related data with real-time being shown on the monitoring device of the pattern of chart.
The hoisting crane health information that the life prediction module is then obtained according to monitoring system, crane structure model according to each model in the system, utilize drag index and the accumulation of fatigue damage theory of live load analysis, material and member that historical data is analyzed, hoisting crane health status is assessed.And assessment result generated the report of corresponding hoisting crane health status.
Report then represents to person skilled by chopping machine or monitoring device, makes reference when assessing for its operation conditions to hoisting crane.
Claims (3)
1. a hoisting crane running state recording instrument is characterized in that: comprise CPU (1), data acquisition module (2), data memory (3), RS485 interface (4) and 3G wireless module (5); Described data acquisition module comprises for the current sensor of gathering multichannel Jack current of electric transformer and is used for gathering the load transducer of No. one Jack load; Described data acquisition module (2) and described CPU(1) be connected for being input to CPU(1 through the current signal of the current sensor that data acquisition module (2) filtering is handled and the load signal of load transducer) in; Described data memory (3) and described CPU(1) be used for the storage of data; Described CPU(1) communicates by letter with crane control system (6) by described RS485 interface (4) and be used for obtaining the hoisting crane operation and control information; Described CPU(1) communicates by letter with remote computer monitored control system (7) for realizing the crane remote condition monitoring by described 3G wireless module (5).
2. a kind of hoisting crane running state recording instrument according to claim 1 is characterized in that: described CPU(1) be the MC9S08AC60 micro controller system.
3. a kind of hoisting crane running state recording instrument according to claim 1, it is characterized in that: described data memory (3) is AT45DB321D type FLASH storage chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182044 CN203159066U (en) | 2013-04-12 | 2013-04-12 | Operation state recorder of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182044 CN203159066U (en) | 2013-04-12 | 2013-04-12 | Operation state recorder of crane |
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| CN203159066U true CN203159066U (en) | 2013-08-28 |
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| CN 201320182044 Expired - Fee Related CN203159066U (en) | 2013-04-12 | 2013-04-12 | Operation state recorder of crane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129711A (en) * | 2014-07-18 | 2014-11-05 | 哈尔滨东建机械制造有限公司 | Visual tower-type crane swinging monitor |
| CN104192721A (en) * | 2014-08-21 | 2014-12-10 | 江西工埠机械有限责任公司 | Crane operation monitor |
| CN105152018A (en) * | 2015-09-11 | 2015-12-16 | 苏州市新瑞奇节电科技有限公司 | Crane detecting system for workshop |
| CN117416867A (en) * | 2023-12-18 | 2024-01-19 | 河南恒达机电设备有限公司 | Big data intelligent operation and maintenance method and system for crane and cloud platform |
-
2013
- 2013-04-12 CN CN 201320182044 patent/CN203159066U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129711A (en) * | 2014-07-18 | 2014-11-05 | 哈尔滨东建机械制造有限公司 | Visual tower-type crane swinging monitor |
| CN104192721A (en) * | 2014-08-21 | 2014-12-10 | 江西工埠机械有限责任公司 | Crane operation monitor |
| CN105152018A (en) * | 2015-09-11 | 2015-12-16 | 苏州市新瑞奇节电科技有限公司 | Crane detecting system for workshop |
| CN117416867A (en) * | 2023-12-18 | 2024-01-19 | 河南恒达机电设备有限公司 | Big data intelligent operation and maintenance method and system for crane and cloud platform |
| CN117416867B (en) * | 2023-12-18 | 2024-03-08 | 河南恒达机电设备有限公司 | Big data intelligent operation and maintenance method and system for crane and cloud platform |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20170412 |