CN100489467C - Tri-platforms electronic rail weigher system and its data processing method - Google Patents
Tri-platforms electronic rail weigher system and its data processing method Download PDFInfo
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- CN100489467C CN100489467C CNB2006101133542A CN200610113354A CN100489467C CN 100489467 C CN100489467 C CN 100489467C CN B2006101133542 A CNB2006101133542 A CN B2006101133542A CN 200610113354 A CN200610113354 A CN 200610113354A CN 100489467 C CN100489467 C CN 100489467C
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Abstract
This invention provides one three-desk electronic track weighting system and its data process method, wherein the system comprises weighting desk, data process unit. The weighting desks are three parts as left, middle and right one to get the train weight signals. The said weighting desk comprises desk part, column sensor, signal anti-lighting device, data collection card, wherein the data process unit is of imbedded system to process the train weight measurement signals. The said data transmission unit is to connect each weight desk and data process unit for transmission.
Description
Technical field
What the present invention relates to is weighing device in a kind of rolling stock motion process, particularly a kind of tri-mesa electronic rail weigher system that different vehicle commanders is carried out the car load metering based on Implementation of Embedded System.
Background technology
On the one hand, for railway freight department, it is an important thing that the train freight is weighed, the table top track scale is during to the canning cart weight measurement, require measuring and analysis system to differentiate vehicle and calculating car weight quickly and accurately, traditional measuring and analysis system needs an industrial control computer to finish analytical calculation, for example the Chinese patent publication number is 90222633.9, a kind of dynamic weighing device for goods train is disclosed. adopt the bolt-type LOAD CELLS that is installed in rail waist taper hole inside and outside shell band boss, and include direction identificating sensor, amplifier, direction identification and control module, analog to digital converter, robot calculator, the switching device shifter that is made of a plurality of change-over switches that links to each other with direction identification and control module is set between amplifier and analog to digital converter, and comprise locomotive, tender rejected unit and vehicle recognition unit, can be 60km/h automatic weighing goods train weight when following at train running speed, can discern the traffic direction and the speed of a motor vehicle automatically, car type, and can get rid of locomotive and tender, automatically differentiate overloading wagon and unbalance loading situation, constitute the higher no foundation ditch wheel metering-type goods train dynamic weigher of a kind of weighing precision.This has not only wasted the resource of computing machine, increased cost simultaneously, owing in the train tank body gas or liquid substance are housed, its center is in motion in the process of train operation on the other hand, can not depend merely on static weighing technique, such precision is to be difficult to need to guarantee.
On the other hand along with the continuous development of infotech, the railway freight system goes from strength to strength, information interchange between the website of warehouse, the situation record and the inquiry of goods, and then made things convenient for the client that the ruuning situation of shipping goods is had timely to understand, also guaranteed the description of the goods of cargo movement link is in time monitored, improved the security of transporting, and the effect that reaches intensification by telemanagement.But because continuing to increase along with the volume of goods transported, the data volume of weighing is very huge, but also need combine the requirement that reaches gage work with out of Memory, as needs license number signal, transmitting-receiving goods station information, the date temporal informations of weighing etc. cause data to preserve like this and management has brought certain difficulty, also need great amount of manpower and operation collaborative work simultaneously.
In order to address the above problem, creator of the present invention has obtained this achievement finally through long term studies and exploitation.
Summary of the invention
The objective of the invention is to, for addressing the aforementioned drawbacks, a kind of tri-mesa electronic rail weigher system is provided, introduced embedded technology to the weigh analysis of data of amount, realized the judgement of different cartridge range canning cart vehicles and weighing of car load, in data management system, adopted database technology, realized preservation and maintenance, not only reached the gage work requirement a large amount of weighing results information; Saved manpower simultaneously, realized data sharing, helped intensive management by network.
For achieving the above object, the technical solution used in the present invention is, a kind of tri-mesa electronic rail weigher system is provided, it is characterized in that, it comprises weighing unit, data processing unit, data transmission unit, wherein, described weighing unit has three, is divided into a left side and weighs, in weigh and weigh in the right side, distance is provided with according to vehicle between described three weighing units, and in order to obtain weight of train measuring-signal, described weighing unit comprises: playscript with stage directions body, column type sensor, siganl thunder-proof device, data collecting card; Described data processing unit is that embedded system is used for handling described weight of train measuring-signal; Described data transmission unit is used for connecting each portable weighing unit and data processing unit, in order to carry out data transmission;
A kind of data processing method of tri-mesa electronic rail weigher system also is provided simultaneously, and it utilizes described tri-mesa electronic rail weigher system to realize that wherein, the process step of its processing is:
A step: obtain to claim on the train, call in the following text signal;
B step: judge the compartment model;
C step: obtain carriage weight;
D step: obtain train speed;
E step: realize management of information and shared by the network peripheral hardware;
The f step: data handling procedure finishes.
The invention has the advantages that: not only can measure the variable train of car length, and can measure the variable can car of center of gravity, simultaneously to train measuring accuracy height, the data of acquisition are shared by network and are helped the duplicate measurements of avoiding a large amount of.
Description of drawings
Fig. 1 is the functional structure sketch of tri-mesa electronic rail weigher system of the present invention;
Fig. 2 is the process flow diagram of the data handling procedure of tri-mesa electronic rail weigher system of the present invention;
Fig. 3 is for being the weighing unit weighing principle sketch of invention tri-mesa electronic rail weigher system;
Fig. 4 obtains the process flow diagram flow chart of this section carriage weight for the present invention.
Description of reference numerals: 11-left side weighing unit; Weighing unit among the 12-; The right weighing unit of 13-; 111,121,131-column type sensor; 112,122,131-siganl thunder-proof device; 113,123,133-data collecting card; The passage of 22-weight of train information; The 21-signal regulating panel; 22 '-A/D converter; The 3-PC104 bus; The 4-embedded system; 41-external device I/O port; The 42-processor; The 43-graphics controller; The 44-storer; The 5-web-transporting device; The 6-host computer; Other external devices of 7-; The 8-train; The data handling procedure step of a～f-system; The process steps of c1～c7-this section carriage weight.
Embodiment
Below with reference to accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
See also shown in Figure 1, it is for the functional structure sketch of tri-mesa electronic rail weigher system of the present invention, it comprises: weighing unit, data processing unit, data transmission unit and host computer 6, it is left weighing unit 11 that wherein said weighing unit is three, middle weighing unit 12 and right weighing unit 13, distance between them is determined according to vehicle, wherein said weighing unit comprises: playscript with stage directions body, column type sensor 111,121,131, siganl thunder-proof device 112,122,132, data collecting card 113,123,133, described data processing unit be embedded system 4 it comprise processor 42, storer 44 and external device I/O port 41, graphics controller 43, described data transmission unit comprises PC104 bus 3 structures, can certainly be the CAN bus, pci bus or RS232 one of them or combination; Can also comprise web-transporting device 5 (ADSL etc.), described host computer 6 is for being in the main frame that information gathers end; Also comprise: the passage 21CH0～CH11 of weight of train information, signal regulating panel 21 and A/D converter 22 ', wherein column type sensor 111,121,131 signals of gathering are through the passage 22CH0～CH11 input signal conditioning plate 22 of information, signal is amplified, import A/D converter 22 ' then into, obtain the digital signal that processor 42 can be handled in the embedded analytic system 4, external device I/O port 41 by the embedded analytic system 4 of PC104 bus 3 inputs, there is the weigh specific implementation program of algorithm of train in processor 42 in the described embedded analytic system 4, described program is by analyzing data, identify type of train, the weight signal of trailing or leading bogie on weighting platform according to train 8 calculates complete vehicle weight.Embedded analytic system 4 has storer 42 can preserve the data that collect, and can analyze image data as required like this, has made things convenient for the debugging and the improvement of analytical algorithm.Because having graphics controller 43, embedded analytic system 4 can observe the acquired signal that produces, judge whether column type sensor 111,121,131 has ANOMALOUS VARIATIONS, be convenient to pinpoint the problems immediately, utilize external device I/O port 41 to be connected and to expand function corresponding with other peripheral hardwares 7 (as display etc.), it is connected with web-transporting device 5, after obtaining weighing results, can the result be uploaded in the data management system of weighing of host computer 6 in several ways.Data management system can be presented at the result in the interactive interface, and metrological personnel is imported out of Memory under the guiding of corresponding management software successively, confirm errorless after, click to preserve the result deposited in the database.Data after the preservation, can weighing results be accessed from database at any time according to the querying condition of metrological personnel, finish management various data, so just realize the sharing of data such as travelling speed, vehicle of position, the weight of goods, the train of taking advantage of, helped realizing intensive management.
The column type sensor the 111,121, the 131st that is provided with on the described weighing unit is measured the weight of train and is obtained measuring-signal, by siganl thunder-proof device 112,122,132, import data collecting card 113,123,133 into, because often the frequency ratio that takes place of thunder and lightning is higher at the railway warehouse, the effect of siganl thunder-proof device 112,122,132 is to prevent to be struck by lightning to the infringement of analytic system and guarantee operating personnel's safety; The quantity of passage 21 of weight of train information of importing data collecting card 113,123,133 into is identical with the quantity of column type sensor 111,121,131, in data collecting card 113,123,133 every road signal is carried out analog to digital conversion, the digital quantity of measuring-signal enters into embedded analytic system 4 by the interface that meets PC104 bus 41 technology.
See also shown in Figure 2ly, it is the process flow diagram of the data handling procedure of tri-mesa electronic rail weigher system of the present invention; Its process comprises:
A step: obtain to claim on the train, call in the following text signal;
B step: judge vehicle;
C step: obtain carriage weight;
D step: obtain train speed;
E step: realize management of information and shared by the network peripheral hardware;
The f step: data handling procedure finishes.
See also shown in Figure 3, it is for the table top weighing principle sketch of invention tri-mesa electronic rail weigher system, like this to the further refinement implementation procedure of process flow diagram of the data handling procedure of tri-mesa electronic rail weigher system, because the train trailing or leading bogie is successively by a left side, in, right weighing unit 11,12,13, will produce test signal in case appear on the stage, it imports digital quantity into external device I/O port 41 in the embedded analytic system 4 through signal regulating panel 21 and A/D converter 22 ', enter processor 42 and at first image data is carried out train corresponding judgment and processing, if going up, train 8 do not claim, then image data is put into storer 44, otherwise the image data that will preserve before this averages processing as zero point, to the data Filtering Processing, remove undesired signal, judge to produce simultaneously and go up the weighting platform numbering that claims signal, whether train 8 goes up title can judge according to whether occurring skip signal in the image data, claim on the train 8 then that if occur the rising skip signal in the image data generation decline skip signal then train 8 is called in the following text.
See also shown in Figure 4ly, it obtains the process synoptic diagram of this section carriage weight for the present invention, and it step that comprises is:
The c1 step: weighing unit 12 column type sensors 121 are from producing the time T of signal to the blackout experience in the acquisition
0
The c2 step: obtain left weighing unit 11 column type sensors in 111 above-mentioned steps c1 time T O from producing signal to time T 1 that blackout experienced;
The c3 step: obtain right weighing unit 13 column type sensors 131 in above-mentioned steps c1 time T 0 from producing signal to time T 2 that blackout experienced;
C4 step: whether judge T1 more than or equal to T2,, then carry out following step c6 on the contrary if more than or equal to then carrying out following step c5;
The c5 step: left weighing unit 11 column type sensors, 111 detected weight and middle weighing unit 12 column type sensors 121 detected weight sums are carried out c7 as the weight in this section compartment;
The c6 step: right weighing unit 13 column type sensors, 131 detected weight and middle weighing unit 12 column type sensors 121 detected weight sums are carried out c7 as the weight in this section compartment;
The c7 step: this process finishes.
Notebook data processing procedure detailed annotation is: produce pressure with the column type sensor 121 of middle weighing unit 12 and begin the T during this period of time that disappears to the pressure signal that the column type sensor 121 of middle weighing unit 12 produces
0In, to about two weighing units sample continuously, left weighing unit 11 column type sensor 111 from it produces pressure signals and produces time that pressure signals disappear to left weighing unit 11 column type sensor 111 from it and longly be T
1, right weighing unit 13 column type sensor 131 from it produces pressure signal and is T to the time length that right weighing unit 13 column type sensor 131 from it produces the pressure signal disappearance
2, by comparing T
1With T
2Size judge type of train, just judge that according to the degree of overlapping size of train 8 bogies time period on three weighing units the trailing or leading bogie of train 8 is simultaneously at middle weighing unit 12, left weighing unit 11, still at middle weighing unit 12, right weighing unit 13, just can judge type of train thus, work as T
1Greater than T
2The time, this moment for according to train on corresponding weighing unit weight signal carry out filtering, the average then computing of deformation quantity summation that will in each sampling period, obtain, obtain bogie weight on each weighting platform, eliminate of the influence of factor such as temperature like this to weighing results, reduced column type sensor 111,121,131 and be subjected to measurement fluctuation that ectocine produces influence, thereby reduced error, worked as T measurement result
1Greater than T
2Time this moment, car weight was left weighing unit 11G
A left side is flatWith middle weighing unit 12G
In flatSum is worked as T
2Greater than T
1Time this moment, car weight was right weighing unit 13G
Right flatWith middle weighing unit 12G
In flatSum is this carriage weight just; With the weight addition in all compartments is the weight of whole train 8 just;
The method that obtains train speed is: because the sensor measurement length L of middle weighing unit 12 is known, pass through L/T
0Just can obtain the speed per hour of train 8 this moment;
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1, a kind of tri-mesa electronic rail weigher system is characterized in that, it comprises weighing unit, data processing unit, data transmission unit, wherein, described weighing unit has three, is divided into left weighing unit, middle weighing unit and right weighing unit, in order to obtain weight of train measuring-signal, distance is provided with according to vehicle between described three weighing units, and described weighing unit comprises: playscript with stage directions body, column type sensor, siganl thunder-proof device, data collecting card; Described data processing unit is that embedded system is used for handling described weight of train measuring-signal; Described data transmission unit is used for connecting each weighing unit and data processing unit, in order to carry out data transmission.
2, tri-mesa electronic rail weigher system according to claim 1, it is characterized in that, described embedded system, it comprises: processor, storer, external device I/O port and graphics controller, wherein, described processor obtains data in order to handle; Described storer is used for access data; Described external device I/O port is used for linking to each other with data transmission unit, carries out the input and output of data; Described graphics controller is used for detecting the weight measurement signal that sampling obtains.
3, tri-mesa electronic rail weigher system according to claim 1 is characterized in that, described data transmission unit is one of them or combination of PC104 bus, CAN bus, pci bus or RS232.
4, tri-mesa electronic rail weigher system according to claim 1 is characterized in that, also comprises the network output device, and data processing unit and host computer are linked together, and described host computer is provided with Database Systems.
5, a kind of data processing method of tri-mesa electronic rail weigher system, it utilizes described tri-mesa electronic rail weigher system to realize, it is characterized in that the process step of its deal with data is:
A step: obtain to claim on the train, call in the following text signal;
B step: judge vehicle;
C step: obtain this section carriage weight;
D step: obtain train speed;
E step: realize management of information and shared by the network peripheral hardware;
The f step: data handling procedure finishes.
6, the data processing method of tri-mesa electronic rail weigher system according to claim 5, it is characterized in that, claim, call in the following text signal on the described acquisition train, be to produce test signal by the column type sensor that is arranged on the weighing unit playscript with stage directions body, digital quantity is imported into external device I/O port in the embedded analytic system through analog to digital conversion, enter processor, described processor is judged the data of gathering, claim on the train then that if the rising skip signal occurs in the image data generation decline skip signal then train is called in the following text.
7, the data processing method of tri-mesa electronic rail weigher system according to claim 5 is characterized in that, described acquisition this section carriage weight, and the step of its realization is:
The c1 step: the weighing unit sensor is from producing the time T of signal to the blackout experience in the acquisition
0
The c2 step: obtain left weighing unit sensor in above-mentioned steps c1 time T 0 from producing signal to time T 1 that blackout experienced;
The c3 step: obtain right weighing unit sensor in above-mentioned steps c1 time T 0 from producing signal to time T 2 that blackout experienced;
C4 step: whether judge T1 more than or equal to T2,, then carry out following step c6 on the contrary if more than or equal to then carrying out following step c5;
The c5 step: left weighing unit sensor to weight and the weight sum that arrives of middle weighing unit sensor as the weight in this section compartment, carry out c7;
The c6 step: right weighing unit sensor to weight and the weight sum that arrives of middle weighing unit sensor as the weight in this section compartment, carry out c7;
The c7 step: this process finishes.
8, according to the data processing method of claim 5 or 7 described tri-mesa electronic rail weigher systems, it is characterized in that, described judgement vehicle, be meant the model identification in every joint compartment is come out, relation according to T1 and T2, if execution in step c5 then vehicle by the distance decision of a left side, middle weighing unit, if carry out the c6 vehicle by in, the distance decision of right weighing unit; Described acquisition train speed is that sensor measurement length by middle weighing unit is divided by T0.
9, the data processing method of tri-mesa electronic rail weigher system according to claim 5, it is characterized in that, described by network peripheral hardware realization management of information and shared, it is the host computer that has Database Systems by, to obtain the data storage of classifying from data processing unit, call inquiry for different terminals by Network Transmission.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102840905B (en) * | 2012-08-31 | 2017-04-26 | 北京华横新技术开发公司 | Sensor monitoring and detection system used on automatic rail weighbridge |
| CN103335697B (en) * | 2013-06-04 | 2015-04-01 | 马钢控制技术有限责任公司 | A rail transport measurement standard tare weight system |
| CN103616064A (en) * | 2013-11-29 | 2014-03-05 | 北京东方瑞威科技发展股份有限公司 | Long-table-face dynamic rail weighbridge weighing system |
| CN104729642B (en) * | 2015-04-13 | 2016-01-06 | 杭州钱江称重技术有限公司 | A kind of track scale metering system based on CAN |
| CN105444854A (en) * | 2015-11-27 | 2016-03-30 | 阎富成 | Weighing method and apparatus for electronic railway scale |
| US20210239515A1 (en) * | 2018-05-08 | 2021-08-05 | Motus Weighing Ab | A communication device and a server for a weighing system for dynamic weighing of vehicles |
| CN112284503B (en) * | 2020-09-30 | 2022-06-14 | 锦州中理外轮理货有限公司 | Intelligent judgment method and device for vehicle parking state in static railroad track scale overbalance |
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Owner name: TIEDA TECHNOLOGY DEVELOPMENT CO., LTD., BEIJING Free format text: FORMER OWNER: DONGFANG RUIWEI SCIENCE + TECHNOLOGY DEVELOPING CO., LTD., BEIJING Effective date: 20120401 |
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