CN102981473B - On-road impact vibration wireless real-time monitoring system of large electric power item - Google Patents
On-road impact vibration wireless real-time monitoring system of large electric power item Download PDFInfo
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- CN102981473B CN102981473B CN201210478787.3A CN201210478787A CN102981473B CN 102981473 B CN102981473 B CN 102981473B CN 201210478787 A CN201210478787 A CN 201210478787A CN 102981473 B CN102981473 B CN 102981473B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to an on-road impact vibration wireless real-time monitoring system of a large electric power item, belongs to the technical field of large electric power item transportation and monitoring and aims at providing a device capable of performing long-term, accurate and wireless on-road impact vibration monitoring of a large electric power item. The system comprises an integrated controller, a router and an impact vibration wireless real-time monitoring device, wherein the integrated controller is installed in a cab of a large electric power item transportation vehicle, the router is installed at the top end of the large electric power item, the impact vibration wireless real-time monitoring device is installed at the front end or the rear end of the large electric power item, the integrated controller, the router and the impact vibration wireless real-time monitoring device are communicated with one another through a wireless network, the integrated controller stores messages sent by the router and the impact vibration wireless real-time monitoring device, and the impact vibration wireless real-time monitoring device comprises a high accuracy impact vibration sensor which acquires on-road impact vibration of the large electric power item. The on-road impact vibration wireless real-time monitoring system is applicable to transportation of various large electric power items.
Description
Technical field
Large of electric power of the present invention impact shock wireless real-time monitoring system in transit, belongs to electric power Over-size transport monitoring technique field.
Background technology
For power equipment Over-size transport, National Development and Reform Committee issues DL/T 1071-2007 " electric power Over-size transport specification " in July, 2007, and in coming into effect Dec 1 then, this specification has done the regulation of process from aspects such as transport items organizational structure, hauling operation flow process, early-stage preparations, organizing and implementing and project conclusions to electric power Over-size transport, large scale electrical power unit is the basic building block of composition intelligent grid, there is overlength, ultra-wide, overweight feature, and self-value is high, the production cycle is long, once transit link generation safety, quality accident, will serious direct loss and inestimable indirect loss be caused, the capital construction of intelligent grid is just by power sourcing equipment one by one, transport, install, the detailed process run realizes, the transport of power equipment is the test to limit traffic condition, transport shocks not only can cause transformer damage, and more seriously greatly will jeopardize transportation safety, for this reason, will to the impact in transportation, vibration, acceleration is monitored to guarantee transportation safety in real time, do not relate to and utilize technological means to carry out the description of management and control to power equipment shipping mass, in the practical operation of electric power Over-size transport, also the investigation and application about the online management and control information system of power equipment shipping mass is had no.
Comparatively general some monitoring device of transportation of current domestic use are all mechanical equipment, mainly contain mechanical bump recorder, its inner structure is equivalent to a camera, its principle of work recording paper strip is put into upper paper bag reel, the top of paper tape inserts lower paper bag reel, 3 recording pointers are fixed in the metal beam on paper bag, they are used for recording x respectively, y, impulsive force on z tri-axle, paper tape there are lattice, the lattice number read just can reflect the degree of being hit, both sides are free, be used for recording the time of being clashed into, also having a kind of is exactly the registering instrument showing meter type, it can not writing time, maximum impact degree can only be shown by table meter, obviously, all there are some defects in these equipment:
One, because of the difference of means of transportation, sometimes may be too large because of vibration amplitude, the reasons such as the time is oversize cause recording chart to be finished, can not the travel position of recording unit completely, and cause loss of data, the scope of measurement is narrower;
Two, complex structure, not portable, be unfavorable for the long-distance transport of equipment;
Three, may there is paper jam phenomenon because making moist in recording chart in transportation, causes loss of data.
The equipment of oneself input carrier external has the g-109 accelerograph of Switzerland at present, the time interval that it can be set by user measures x, y, the bare maximum of z 3-axis acceleration, in addition, it also can calculate the vector of the mean value of transportation equipment acceleration, maximal value, minimum value and 3-axis acceleration, this accelerograph is mainly used in the detection record of collision in transportation, shock and vibration, the emulation of transport road conditions is carried out by computing machine again after being transported to destination, but also there are some defects in these equipment:
One, because of in transportation, haulage time is oversize causes memory space inadequate, cannot the travel position of recording unit completely, causes loss of data;
Two, occur damaging at long-distance transport equipment, power down, the phenomenons such as loss of data cannot be predicted, and open find loss of data or imperfect to destination;
The factors such as three, exterior protection lower grade, dust, fog, rainwater impact causes equipment normally to work, and records wrong or device damage.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of can the device of accurate wireless monitoring power electric large impact shock in transit for a long time.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: large of electric power impact shock wireless real-time monitoring system in transit, comprise the Centralized Controller being arranged on electric power Over-size transport vehicle cab, the router being arranged on electric power large top and be arranged on the impact shock wireless real-time monitoring device of electric power large front end or rear end, above-mentioned Centralized Controller, between router and impact shock wireless real-time monitoring device, all wireless network communication can be passed through, the information that Centralized Controller storage router and impact shock wireless real-time monitoring device send;
Above-mentioned impact shock wireless real-time monitoring device include the high precision impact shock sensor that gathers electric power large impact shock in transit and be connected with high precision impact shock sensor for the treatment of with the data processing of wireless transmission impact shock information and radio-frequency module, described data processing and radio-frequency module are connected with router with Centralized Controller by wireless network.
Described impact shock wireless real-time monitoring device also includes signal condition amplifying circuit, dual bus asynchronous communication circuit, power down preventing clock circuit, program exception supervisory circuit, Flash memory circuit and power module, signal condition amplifying circuit and dual bus asynchronous communication circuit is serially connected with successively between above-mentioned high precision impact shock sensor and data processing and radio-frequency module, above-mentioned power down preventing clock circuit, program exception supervisory circuit is connected with data processing and radio-frequency module respectively with Flash memory circuit, power module is that whole impact shock wireless real-time monitoring device is powered.
Described wireless network is ZigBee wireless network.
Described data processing and radio-frequency module adopt CC2530 chip, and data processing and radio-frequency module adopt ZigBee2007/Pro agreement to communicate.
Described power module adopts lithium battery.
Described impact shock wireless real-time monitoring device is encapsulated in a shell, shell protection grade IP65, shell is provided with the one side magnetic being convenient to install.
The beneficial effect that the present invention compared with prior art has is:
One, the present invention adopts high precision impact shock sensor complete monitoring electric power large transport shocks vibration processes in transit, and in real time the information of collection is sent to Centralized Controller by ZigBee wireless network to store, long-term high-precision wireless monitor can be realized, for the impact shock monitoring in transit of large of electric power provides condition, meet the transport monitoring demand of large of electric power;
Two, the present invention can send fault and warning message the very first time, reminds human pilot, accurately can either grasp shipping mass process in transit, facilitate again the operation of human pilot, avoid the expansion of fault;
Three, apparatus of the present invention external structure is succinct, and degree of protection is high, and it is convenient to install and use, and without the need to opening transportation equipment, also can not cause damage to transportation equipment, cost is lower.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiments of the present invention are further described in detail:
Fig. 1 is mounting structure schematic diagram of the present invention;
Fig. 2 is electrical block diagram of the present invention;
In figure: 1 be electric power Over-size transport vehicle, 2 be large of electric power, 3 be Centralized Controller, 4 be router, 5 be impact shock wireless real-time monitoring device, 6 be impact shock sensor, 7 be data processing and radio-frequency module, 8 be signal condition amplifying circuit, 9 be dual bus asynchronous communication circuit, 10 be power down preventing clock circuit, 11 be program exception supervisory circuit, 12 be Flash memory circuit, 13 be power module.
Embodiment
As shown in Figure 1, large of electric power of the present invention impact shock wireless real-time monitoring system in transit, comprise the Centralized Controller 3 being arranged on electric power Over-size transport vehicle 1 pilothouse, the router four being arranged on electric power large 2 tops and be arranged on the impact shock wireless real-time monitoring device 5 of electric power large 2 front ends or rear end, above-mentioned Centralized Controller 3, between router four and impact shock wireless real-time monitoring device 5, all can pass through wireless network communication.
Above-mentioned Centralized Controller 3 sends order to router four and impact shock wireless real-time monitoring device 5, the information that storage router 4 and impact shock wireless real-time monitoring device 5 send, router four mainly plays assistance information transmission, the length that electric power is large 2 is general all long, adopt router four can increase the distance of Signal transmissions, also can to the judgement for failure message, when router four a period of time does not receive the information of impact shock wireless real-time monitoring device 5 transmission, failure message is sent to Centralized Controller 3, impact shock wireless real-time monitoring device 5 Real-time Collection electric power large 2 impact shock information in transit, and the impact shock information of collection is sent to router four and Centralized Controller 3, according to the needs of different electric power large 2 transport, impact shock wireless real-time monitoring device 5 can be provided with multiple, be distributed in the position that large of electric power 2 is different.
As shown in Figure 2, above-mentioned impact shock wireless real-time monitoring device 5 include the high precision impact shock sensor 6 that gathers electric power large 2 impact shocks in transit and be connected with high precision impact shock sensor 6 for the treatment of with the data processing of wireless transmission impact shock information and radio-frequency module 7, data processing and radio-frequency module 7 are connected with router four with Centralized Controller 3 by wireless network, high precision impact shock sensor 6 complete monitoring electric power large transport shocks vibration processes in transit, and rely on data processing and radio-frequency module 7 in real time the information of collection to be sent to router four and Centralized Controller 3 by wireless network.
Described electric power large 2 is inevitably subject to transport shocks in transportation, and transport shocks likely causes electric power large 2 inner core, coil, screen, cushion block etc. that displaced or distortion occur, thus causes electric power large 2 to damage; Conventional electric power large 2 is using ± 3g impact acceleration as the intuitive technique index of impulsive control, also become the requirement of electric power large 2 Structural Strength Design simultaneously, the present invention has taken into full account that the actual requirement of electric power large 2 transport adopts high precision impact shock sensor 6, high precision impact shock sensor 6 range is ± 5g, precision can reach 0.1g, can meet measurement requirement completely.
Described impact shock wireless real-time monitoring device 5 also includes signal condition amplifying circuit 8, dual bus asynchronous communication circuit 9, power down preventing clock circuit 10, program exception supervisory circuit 11, Flash memory circuit 12 and power module 13, be serially connected with signal condition amplifying circuit 8 and dual bus asynchronous communication circuit 9 successively between above-mentioned high precision impact shock sensor 6 and data processing and radio-frequency module 7, above-mentioned power down preventing clock circuit 10, program exception supervisory circuit 11 are connected with data processing and radio-frequency module 7 respectively with Flash memory circuit 12.
Described wireless network is ZigBee wireless network, described data processing and radio-frequency module 7 adopt CC2530 chip, data processing and radio-frequency module 7 adopt ZigBee2007/Pro agreement to communicate, CC2530 chip is the core processor of impact shock wireless real-time monitoring device 5, utilize SMT technique, be operated in free 2.4G frequency range, achieve intelligent networking short distance low-power consumption real-time radio transmission system, power supply power available adapter and battery two kinds of power supply plans, power supply mode is flexible, large of electric power is harsh to traffic condition, very high to data monitoring precision, Wireless Data Transmission of the present invention passes through CRC check, dual bus asynchronous serial communication adopts sum check, ensure the accuracy of data, whole device communication distance can reach 100 meters, as distance need be increased by adding router four expanding transmission distance.
Above-mentioned signal condition amplifying circuit 8 aims at sensor data acquisition design, sensor signal is amplified, thus can directly be communicated by Transistor-Transistor Logic level with CC2530, decrease hardware costs.
Above-mentioned power down preventing clock circuit 10 adopts DS1302 power down preventing clock chip, be responsible for data and add time tag, thus impact shock equipment cannot the defect of observation time directly perceived before solving, DS1302 power down preventing clock chip can provide year, month, day, time, point, second, the information in week, number of days monthly and the number of days in leap year can adjust automatically, time data output format determines employing 24 hours or 12 hours by AM/PM instruction, when maintenance data and clock information, power consumption is less than 1mW, communication mode is I2C bus, above-mentioned CC2530 inside there is no I2C bus protocol, for correctly acquisition time parameter, system adopts the method for the I/O pin Simulation with I 2C signal of CC2530, simulate the collection sequential met on 1302 clock data handbooks, reach the object of operating clock.
For the stability that assurance device program is run, prevent program from occurring abnormal, and CC2530 state uncertain when powering on, this causes CC2530 correctly not work, for addressing this problem, the present invention with the addition of program exception supervisory circuit 11, it is responsible for CC2530 being initialized as certain state determined, this reseting logic needs a reset signal to work, the stability of reset signal and the normal work of reliability to CC2530 have significant impact, reset circuit can use simple rc reset, but rc reset can not ensure that any situation all produces reliable and stable reset signal, so general occasion needs to use special reset chip, because CC2530 requires higher to the ripple of power supply, instant response performance, the stability of clock source and the reliability of Power Supply Monitoring, system selects Power Supply Monitoring core SP706, make system reliable reset, SP706 is the power monitoring chip aiming at microprocessor Design, when supply voltage is lower than resetting voltage threshold values, SP706 is by generation reset signal, and be raised on the supply voltage in the 200ms higher than reset threshold values and remain valid, the reset threshold voltage of SP706 is 2.63V, and namely supply voltage produces reset signal lower than during 2.63V.
The reset signal of above-mentioned SP706 is low level, pin MR is hand-reset input end, pin RESET is reset output terminal, when hand-reset pin MR is low level, pin RESET exports as low, cause system reset, WDO and WDI is respectively house dog output terminal and house dog counter O reset end, the rising edge of WDI pin and negative edge all can by house dog counter O resets, if do not reset house dog counter in 1.6S, so house dog output terminal WDO can export a low level pulse, because WDO with MR pin is connected, therefore, RST can be made to hold the low level exporting 200ms, thus reset hardware system.
Above-mentioned Flash memory circuit 12 uses serial Flash chip, and serial Flash chip is low-power consumption flash storage, and relative to parallel Flash, it transmits data with less pin, reduces the space of system, power consumption and cost, has very high cost performance; In addition, the read-write operation of serial Flash chip is very simple and easy, and it is miniature that these advantages make serial Flash be widely used in, and the storage system of low-power consumption adopts the Flash chip of M25PE20 model in the present invention.
Traditional onboard system generally adopts Vehicular accumulator cell power supply to the device, in the present invention, power module 13 adopts high-performance lithium battery to be that impact shock wireless real-time monitoring device 5 is powered, make impact shock wireless real-time monitoring device 5 flexible for installation, arbitrarily can be arranged on any position of electric power large 2.
The present invention has drafted the series of frames forms such as bridged frame, bridge joint response frame, Frame, command frame, command response frame and Trouble Report frame; Upon power-up of the system, Centralized Controller 3 sets up ZigBee wireless network, send bridged frame to master controller, report networking success, determine the network address, master controller judges after receiving bridged frame whether the network address used, select the child node that can add network simultaneously, then bridge joint response frame is sent to Centralized Controller 3, if the network address did not use, then in bridge joint response frame, retain original network address, if the network address used, then distribute the new network address to Centralized Controller 3; Centralized Controller 3 is according to the order of master controller Received signal strength selectively, and after child node adds network success, sending node adds incoming frame to master controller, report log-on message, and meanwhile, each child node sends information by Frame to Centralized Controller 3; The present invention can revise parameter by command frame, comprises collection period, uploads the cycle etc., carrys out reporting command perform information by command response frame; When there is the fault such as data layout exception or electricity deficiency in a certain child node, fault frame can be sent, when a certain child node exits network, frame can be exited by sending node, the present invention is defaulted as all the period of time monitoring, monitor maximum impact vibration values per second, timing reports, and reaches early warning value and accelerates data upload speed, and give the alarm, remind human pilot, both achieved heartbeat data transfer function, and also reached the object of low-power consumption; Data of the present invention are by order remotely modifying, and device can formulate corresponding monitoring parameter for different electric power large 2 traffic conditions, makes application of installation field more flexible.
Described impact shock wireless real-time monitoring device 5 is encapsulated in a shell, shell protection grade IP65, shell is provided with the one side magnetic being convenient to install, can be arranged on electric power large 2 easily by one side magnetic, without the need to opening transportation equipment, also damage can not be caused to transportation equipment.
Claims (5)
1. large of electric power impact shock wireless real-time monitoring system in transit, it is characterized in that: comprise the Centralized Controller (3) being arranged on electric power Over-size transport vehicle (1) pilothouse, be arranged on the router (4) on electric power large (2) top and be arranged on the impact shock wireless real-time monitoring device (5) of electric power large (2) front end or rear end, above-mentioned Centralized Controller (3), all wireless network communication can be passed through between router (4) and impact shock wireless real-time monitoring device (5), the information that Centralized Controller (3) storage router (4) and impact shock wireless real-time monitoring device (5) send,
Above-mentioned impact shock wireless real-time monitoring device (5) include the impact shock sensor (6) that gathers electric power large (2) impact shock in transit and be connected with impact shock sensor (6) for the treatment of with the data processing of wireless transmission impact shock information and radio-frequency module (7), described data processing and radio-frequency module (7) are connected with router (4) with Centralized Controller (3) by wireless network;
Described impact shock wireless real-time monitoring device (5) also includes signal condition amplifying circuit (8), dual bus asynchronous communication circuit (9), power down preventing clock circuit (10), program exception supervisory circuit (11), Flash memory circuit (12) and power module (13), signal condition amplifying circuit (8) and dual bus asynchronous communication circuit (9) is serially connected with successively between above-mentioned impact shock sensor (6) and data processing and radio-frequency module (7), above-mentioned power down preventing clock circuit (10), program exception supervisory circuit (11) is connected with data processing and radio-frequency module (7) respectively with Flash memory circuit (12), power module (13) is powered for whole impact shock wireless real-time monitoring device (5).
2. large of electric power according to claim 1 impact shock wireless real-time monitoring system in transit, is characterized in that: described wireless network is ZigBee wireless network.
3. large of electric power according to claim 2 impact shock wireless real-time monitoring system in transit, it is characterized in that: described data processing and radio-frequency module (7) adopt CC2530 chip, data processing and radio-frequency module (7) adopt ZigBee2007/Pro agreement to communicate.
4. large of electric power according to claim 1 impact shock wireless real-time monitoring system in transit, is characterized in that: described power module (13) adopts lithium battery.
5. large of electric power according to claim 2 impact shock wireless real-time monitoring system in transit, it is characterized in that: described impact shock wireless real-time monitoring device (5) is encapsulated in a shell, shell protection grade IP65, shell is provided with the one side magnetic being convenient to install.
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| CN201210478787.3A CN102981473B (en) | 2012-11-23 | 2012-11-23 | On-road impact vibration wireless real-time monitoring system of large electric power item |
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| CN103885407A (en) * | 2014-03-11 | 2014-06-25 | 平顶山学院 | Packaged switch equipment transportation process monitor |
| CN103983805A (en) * | 2014-05-27 | 2014-08-13 | 成都微英威诺环境监控设备有限公司 | Accelerated speed recording device for vibration monitoring in valuable goods transportation process |
| CN104657518B (en) * | 2015-03-10 | 2017-06-13 | 北京润科通用技术有限公司 | The processing method and system of vibration data and impact data |
| CN104748795B (en) * | 2015-03-27 | 2017-08-25 | 国家电网公司 | A kind of system and method for monitoring large scale electrical power unit transport |
| CN107727344B (en) * | 2017-09-12 | 2019-09-27 | 国网天津市电力公司电力科学研究院 | A kind of transformer collision record data analysing method based on wavelet energy method |
| CN108896097A (en) * | 2018-03-28 | 2018-11-27 | 中国电力科学研究院有限公司 | A kind of device and method for being monitored to extra-high voltage disintegrating transportation unit |
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| CN2158368Y (en) * | 1993-05-21 | 1994-03-09 | 深圳龙岗粤垦工业公司 | Remote alarming device for theft-proof for automobile |
| BRPI0610689B1 (en) * | 2005-04-26 | 2018-06-26 | Saint-Gobain Glass France | GLASS UNDERSTANDING AT LEAST AN ELECTRONIC DEVICE |
| CN102390408B (en) * | 2011-10-25 | 2013-12-18 | 张健 | Safety monitoring system of rail wagon |
| CN202368973U (en) * | 2011-12-27 | 2012-08-08 | 南车株洲电机有限公司 | Transferring device for body of power device |
| CN202929457U (en) * | 2012-11-23 | 2013-05-08 | 国家电网公司 | In-transit impact vibration wireless real-time monitoring system for electrical power large equipment |
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