CN201753064U - Train quantitative loading equipment - Google Patents
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- CN201753064U CN201753064U CN2010202443891U CN201020244389U CN201753064U CN 201753064 U CN201753064 U CN 201753064U CN 2010202443891 U CN2010202443891 U CN 2010202443891U CN 201020244389 U CN201020244389 U CN 201020244389U CN 201753064 U CN201753064 U CN 201753064U
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Abstract
Train quantitative loading equipment comprises a sensor, a radio frequency unit, an image unit, an upper computer and a weighing funnel; the sensor is connected with the radio frequency unit, the radio frequency unit is connected with the upper computer, and the upper computer is connected with the weighing funnel; the radio frequency unit is also connected with the image unit, and the image unit is connected with the upper computer; the sensor is used for sensing the wheel arrival of a coach, and transmitting the arrival time of the wheel to the radio frequency unit; the radio frequency unit is used for detecting the information of the electronic label of the coach and processing the received information and transmitting the information to the upper computer; the radio frequency unit controls the starting of the image unit and coordinates with the image unit; and the image unit processes the coach image and transmits the processed coach image to the upper computer; the upper computer obtains the number of the coach according to the information of the radio frequency unit and the image unit, further determines the loading capacity of the coach according to the number of the coach, and accordingly controls the weighing funnel to weigh freight with corresponding weight according to the loading capacity, and then the freight is loaded in the corresponding coach by the weighing funnel.
Description
Technical field
The utility model relates to a kind of train quantifying and loading equipment, relate in particular to a kind of license number by radio frequency and image recognition railway car, determine the delelivered payload capability in compartment then according to the license number in compartment, thereby carry out the equipment of quantifying and loading according to the delelivered payload capability in compartment by weighing funnel.
Background technology
Along with improving constantly of automation of industry technology, coal, the automatic accurate cargo-carring demand of mass freights such as oil is also strong day by day.Quantifying and loading has not only improved the weight precision of shipping goods, and effectively avoids occurring the generation of overload phenomenon, has greatly reduced working strength of workers.
The first step of quantifying and loading is the identification of the license number in compartment, and license number identification is determining cargo loading ability definite in the cargo-carring compartment of wanting in the quantifying and loading, is the important technology part of quantifying and loading.Relevant technical personnel has been done a lot of researchs in this respect.As " the train recognition system " that ZL 2007201219878 proposes, the license number that scheme that video adds radio frequency is determined the compartment has been proposed in this utility model.
Based on the train recognition system of radio frequency (RFID) technology, can discern the equipment of the electronic tag of railway iron lorry and locomotive automatically.The lorry of state's afloat car operation at present and locomotive body bottom are equipped with radio electronic label, have vehicle, license number in the label, change information such as length, production maintenance.When Train Dynamic when the train recognition system, this system can read the electronic labeling information in every joint compartment, forms the license number message, or transfers to track scale, super unbalance loading detector, vehicle dispatch system etc. by transmission equipment with the communications protocol of appointment.
Based on the car number identification system of image recognition technology,, implement certain technical risk owing to receive the influence of light, image reading device and image recognition technology easily.But aid identification scheme as the radio frequency license number identification number of losing problem.
Because the extended active duty of the electronic tag ubiquity on the China railways at present, to lose and phenomenon such as damage, the car number identification system number of losing phenomenon also happens occasionally.When license number occurring and lose, generally need artificial check and correction license number, the completion vehicle number information then copied again to the scene.Therefore the radio frequency scheme that adds video has solved effectively when the train electronic tag is lost or damaged and can't read the problem of license number, thereby need not artificial intervention, has improved production efficiency.
Adding the scheme that radio frequency is discerned coach number though ZL 2007201219878 has proposed video, not realizing that to how using the license number that video adds the compartment that radio frequency obtains the automatic ration entrucking provides solution.
The utility model content
The utility model is intended to propose a kind of train quantifying and loading equipment, it discerns the license number in the compartment that obtains by image and radio frequency, further obtain the delelivered payload capability in this compartment, thereby by weighing funnel it is implemented quantifying and loading, improve the efficient of entrucking effectively according to the delelivered payload capability in this compartment.
Train quantifying and loading equipment of the present utility model comprises: sensor, radio frequency unit, elementary area, upper computer and weighing funnel; Wherein, sensor is connected with radio frequency unit, and radio frequency unit is connected with upper computer, and upper computer is connected with weighing funnel; Radio frequency unit is connected with elementary area simultaneously, and elementary area is connected with upper computer; The wheel that sensor is used for the sensing compartment arrives, and will sense the temporal information that wheel arrives and send to radio frequency unit; Radio frequency unit is used for detecting the information of the electronic tag in compartment, and the information in the electronic tag that is received is sent to upper computer after treatment; Radio frequency unit is also being controlled the startup of elementary area, to reach the purpose with the elementary area co-ordination; Elementary area send upper computer after treatment with the compartment image of being taken the photograph; Upper computer is according to radio frequency unit and information elementary area, obtain the license number in compartment, determine the delelivered payload capability in this compartment according to the license number in compartment, thereby take by weighing the goods of corresponding weight according to its delelivered payload capability control weighing funnel, then by weighing funnel with cargo loading in corresponding compartment.
Owing to by radio frequency and image the compartment is carried out accurate recognition, thereby can search or obtain the delelivered payload capability in this compartment exactly, thereby can command weighing funnel to go in the compartment with the cargo loading that the compartment delelivered payload capability is complementary according to the license number in compartment.
Description of drawings
From the following description to preferred embodiments and drawings that purport of the present utility model and use thereof are described, above and other purpose of the present utility model, characteristics and advantage will be conspicuous, in the accompanying drawings:
Fig. 1 is a functional block diagram of the present utility model;
Fig. 2 is the functional block diagram of radio frequency unit;
Fig. 3 is the functional block diagram of elementary area;
Fig. 4 is the workflow diagram of upper computer of the present utility model;
Fig. 5 is the workflow diagram of radio frequency unit of the present utility model;
Fig. 6 is the work scheme drawing of train quantifying and loading equipment of the present utility model;
Fig. 7 is the schematic diagram of the radio-frequency module of radio frequency unit.
The specific embodiment
Below, will describe in detail to the utility model in conjunction with the accompanying drawings.
As shown in Figure 1, train quantifying and loading equipment of the present utility model mainly comprises sensor, radio frequency unit, elementary area, upper computer and weighing funnel; The wheel that sensor is used for the sensing compartment arrives, and will sense the time signal that wheel arrives and send to radio frequency unit; Radio frequency unit is used for detecting the information of the electronic tag in compartment, and the information that is received is sent to upper computer after treatment; Radio frequency unit is also being controlled the startup of elementary area, to reach the purpose with the elementary area co-ordination; Elementary area send upper computer after treatment with the compartment image of being taken the photograph; Upper computer is according to radio frequency unit and information elementary area, obtain coach number, determine the delelivered payload capability in this compartment according to the license number in compartment, thereby according to its delelivered payload capability control weighing funnel take by weighing corresponding weight goods (such as: coal), then by weighing funnel with cargo loading in corresponding compartment, thereby finish the process of an automatic ration entrucking, as shown in Figure 6.
The theory of constitution of radio frequency unit as shown in Figure 2, wherein the plate antenna level is installed in the middle of the rail, plate antenna is connected with the radio frequency unit main body by radio frequency cable.
Plate antenna is a dipole polarization antenna, read range 120 degree, and standing-wave ratio (SWR)＜1.4, central frequency 914.1MHz realizes the function that electromagnetic emission and label signal receive.
The radio frequency unit main body comprises radio-frequency module, signal conditioning circuit, ARM subsystem, linear power supply.
Radio-frequency module mainly is made up of radio frequency source, power amplifier, circulator and detecting circuit, and its functional block diagram as shown in Figure 7.
Radio frequency source produces the signal of 914.1MHz, through power amplification circuit, the outside emitting radio frequency signal of circulator.Power amplification circuit can be by the switch of control end power controlling amplifying circuit.The label signal that receives outwards is sent to signal conditioning circuit through circulator, detecting circuit.In addition, burn detecting circuit for preventing the output interface open circuit, radio-frequency module has designed protective circuit, reduces the output of power amplifier when the detecting circuit overtension automatically.
Signal conditioning circuit is realized the rectified signal conditioning functions, with signal amplitude adjust to the compatible mutually scope of ARM subsystem in.Rectified signal is the millivolt magnitude, very faint, contain a large amount of high and low frequency clutters, can not directly use, and output impedance is higher, is very easily disturbed, need be through a signal conditioning circuit, carry out work such as impedance match, amplification, shaping, filtering and improve antijamming capability, eliminate clutter, extract useful signal.
The ARM subsystem is the core of radio frequency unit, finishes function, power amplifier controllable function, the function with upper machine communication, reception power amplifier control command, the decoded label information function of transmission of license number decoding.
ARM CPU comprises peripheral hardware in the abundant sheet, comprises SRAM, FLASH and various interface.The signal of signal conditioning circuit inserts ARM CPU pin through the decoded signal matching circuit.ARM CPU input pin is through the power amplifier of control Driver Circuit control radio-frequency module.ARM CPU carries the USART interface, transfers RS232 or RS485 signal to through RS232 protocol conversion circuitry or RS485 protocol conversion circuitry, realizes the communication with upper computer.
Elementary area comprises image collection module, image acquisition frequency control module, image transmission modular converter, image pre-processing module, framing module and pattern recognition module.
Image collection module mainly is made up of high precision digital camera and light source, because when train passes through recognition system, environment light source changes very complicated, such as the cloudy day, mist, high light and night etc., directly influence and the camera imaging quality is subjected to light source, in order to improve the image recognition rate, must improve the image quality of camera by secondary light source is provided.
The image acquisition frequency control module solves train and causes problems such as anamorphose and hangover with friction speed during by camera, and this module can be according to train taking pictures and the exposure time by the speed control camera.The license number anamorphose that accurately then can the reducing of frequency acquisition control caused because of train speed is inhomogeneous, problems such as hangover improve the accuracy of follow-up identification software.
Image transmission modular converter is responsible for that camera is collected image and is input in the image acquisition frequency control module, handles for successive image.In order accurately to extract license number, thus camera to photograph view data very huge.The position of image collection module (camera) is at the scene simultaneously, usually distance is far away with post-processed modules such as image acquisition frequency control module, image pre-processing module, framing module and pattern recognition modules, can satisfy the type of transmission of these requirements and have only PCI-Express at present.Image transmission modular converter is realized by PCI-Express.
The framing algoritic module is tentatively to determine the position of license number in whole image.Because it is very huge to photograph the railway car image, and the vehicle number information that needs only occupies the part of this image, therefore in order to improve recognition speed and precision, the general at first position of Primary Location license number image is only discerned the subregion of license number image then.
The image pre-processing module adopts algorithm for image enhancement that the image of gathering is put in order, at first remove the picture noise that occurs because of reasons such as shooting, illumination and compartment pollutions, adjust the contrast ratio of image then according to the probability density of gray-value variation in the image by filtering algorithm.So further raising picture quality.
Picture recognition module adopts algorithm for pattern recognition to compare writing down the license number image in the license number in the image and the STL, find in the images acquired with template base in immediate license number, identify license number like this.
At first by image collection module production compartment image, be sent to the image acquisition frequency control module through image transmission modular converter, image after the image acquisition frequency control module is handled is sent to the image pre-processing module, the image of handling through the image pre-processing module is sent to the framing module, image is sent to pattern recognition module at last after locating, look like to extract license number by radio frequency chart like this, as shown in Figure 3.
Among Fig. 6, camera 6 and image processing module 3 have constituted elementary area of the present utility model together, and camera 6 is that image transmission modular converter is realized with image processing module 3 by PCI-Express.Image processing module 3 comprises image acquisition frequency control module, image pre-processing module, framing module and pattern recognition module.Understand for the utility model being presented more intuitively and being easier among Fig. 6, image processing module 3 is independent of upper computer 1 and presents in Fig. 6, in fact image processing module 3 can be the functional module that is present in the upper computer 1, utilizes hardware such as treater in the upper computer 1 and internal memory to realize.Radio frequency unit 2 is read the information in the electronic tag 7 by plate antenna 8, delivers to upper computer 1 after treatment, and camera 6 begins the photographic map picture after being started by radio frequency unit, and send image processing module 3 to handle the image of production, and result is delivered to upper computer 1; Upper computer 1 is determined the license number in compartment according to the information of radio frequency unit and elementary area transmission, further determine the delelivered payload capability in compartment 9 according to the license number in compartment, send correspondingly control signal to weighing funnel 4, be loaded in the compartment 9 behind the goods of the corresponding weight of weighing funnel 4 weighings, realize one time automatic loading.
Sensor unit among Fig. 1 comprises magnet steel, small signal conditioning module and compartment identification module.
In order to guarantee train traffic safety, improve the equipment installation rate, so this quantifying and loading equipment adopts magnet steel as contactless wheel identification sensor.Magnet steel can change changes of magnetic field information into electric current and change, and therefore when wheel passed through, the changes of magnetic field around the sensor just was converted to electric current and changes.
The weak current that the small signal conditioning module collects magnet steel changes and carries out the filtering amplification, by modulus conversion chip output digital signal, uses for the micro controller system then.
Adopted three magnet steel in this quantifying and loading equipment, wherein first and second magnet steel are used for determining the train wheelbase, and the 3rd magnet steel cooperates first or second magnet steel to determine the direction of train; Radio-frequency module senses the temporal information of wheel arrival by magnet steel and the location information of magnet steel is calculated, and just can obtain train wheelbase information, thereby judges headstock process or compartment process.
Although illustrated and described the preferred embodiments of the present invention, it is contemplated that those skilled in the art can design various modifications of the present utility model in spirit and scope of the present utility model.
Claims (8)
1. a train quantifying and loading equipment comprises: sensor, radio frequency unit, elementary area, upper computer and weighing funnel; Wherein, sensor is connected with radio frequency unit, and radio frequency unit is connected with upper computer, and upper computer is connected with weighing funnel; Radio frequency unit is connected with elementary area simultaneously, and elementary area is connected with upper computer;
The wheel that sensor is used for the sensing compartment arrives, and will sense the temporal information that wheel arrives and send to radio frequency unit;
Radio frequency unit is used for detecting the information of the electronic tag in compartment, and the information in the electronic tag that is received is sent to upper computer after treatment;
Radio frequency unit is also being controlled the startup of elementary area, with the elementary area co-ordination;
Elementary area send upper computer after treatment with the compartment image of being taken the photograph;
Upper computer is according to the information that is received with elementary area by radio frequency unit, obtain the license number in compartment, determine the delelivered payload capability in described compartment according to the license number in compartment, thereby take by weighing the goods of corresponding weight according to its delelivered payload capability control weighing funnel, then by weighing funnel with cargo loading in corresponding compartment.
2. train quantifying and loading equipment as claimed in claim 1 is characterized in that described radio frequency unit comprises: plate antenna and radio frequency unit main body; Wherein the radio frequency unit main body is made of radio-frequency module, signal conditioning circuit, ARM subsystem, linear power supply.
3. train quantifying and loading equipment as claimed in claim 2 is characterized in that described radio-frequency module is made up of radio frequency source, power amplifier, circulator and detecting circuit.
4. train quantifying and loading equipment as claimed in claim 1 is characterized in that described elementary area comprises: image collection module, image acquisition frequency control module, image transmission modular converter, image pre-processing module, framing module and pattern recognition module;
By image collection module production compartment image, be sent to the image acquisition frequency control module through image transmission modular converter, image after the image acquisition frequency control module is handled is sent to the image pre-processing module, the image of handling through the image pre-processing module is sent to the framing module, image is sent to pattern recognition module at last after locating, and extracts license number by pattern recognition module.
5. train quantifying and loading equipment as claimed in claim 4 is characterized in that described image collection module is a camera.
6. train quantifying and loading equipment as claimed in claim 5 is characterized in that described camera and described transducer arrangements are in the same side of track.
7. train quantifying and loading equipment as claimed in claim 1 is characterized in that described sensor comprises: magnet steel, small signal conditioning module.
8. train quantifying and loading equipment as claimed in claim 7 is characterized in that the quantity of described magnet steel is three, is straight line and is arranged in the side-lower of track and is close to described track.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202443891U CN201753064U (en) | 2010-06-24 | 2010-06-24 | Train quantitative loading equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202443891U CN201753064U (en) | 2010-06-24 | 2010-06-24 | Train quantitative loading equipment |
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| CN201753064U true CN201753064U (en) | 2011-03-02 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226684A (en) * | 2011-03-21 | 2011-10-26 | 王辉 | Scene positioning method of vehicle positioning and distance measuring system for automatic coal sample acquisition system |
| CN102289228A (en) * | 2011-03-21 | 2011-12-21 | 郝敬亚 | Coal sample automatic collecting system and control method thereof |
| CN102495582A (en) * | 2011-11-30 | 2012-06-13 | 中国神华能源股份有限公司 | Train loading data acquisition system and method |
| WO2015135015A1 (en) * | 2014-03-11 | 2015-09-17 | 3D Image Automation Pty Ltd | Train wagon 3d profiler |
| CN105426922A (en) * | 2015-12-08 | 2016-03-23 | 同方威视技术股份有限公司 | Train type recognition method and system as well as safety inspection method and system |
| CN106044281A (en) * | 2016-07-08 | 2016-10-26 | 长沙理工大学 | Automatic loading system and loading method for packaging box |
| CN110316221A (en) * | 2019-08-09 | 2019-10-11 | 哈尔滨市科佳通用机电股份有限公司 | The implementation method of locomotive running gear device detection system |
| CN115628688A (en) * | 2022-10-20 | 2023-01-20 | 中煤科工智能储装技术有限公司 | Freight train identification and loading method based on image and radio frequency double mutual correction |
-
2010
- 2010-06-24 CN CN2010202443891U patent/CN201753064U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226684A (en) * | 2011-03-21 | 2011-10-26 | 王辉 | Scene positioning method of vehicle positioning and distance measuring system for automatic coal sample acquisition system |
| CN102289228A (en) * | 2011-03-21 | 2011-12-21 | 郝敬亚 | Coal sample automatic collecting system and control method thereof |
| CN102289228B (en) * | 2011-03-21 | 2014-06-11 | 郝敬亚 | Coal sample automatic collecting system and control method thereof |
| CN102495582A (en) * | 2011-11-30 | 2012-06-13 | 中国神华能源股份有限公司 | Train loading data acquisition system and method |
| WO2015135015A1 (en) * | 2014-03-11 | 2015-09-17 | 3D Image Automation Pty Ltd | Train wagon 3d profiler |
| CN105426922A (en) * | 2015-12-08 | 2016-03-23 | 同方威视技术股份有限公司 | Train type recognition method and system as well as safety inspection method and system |
| US10108881B2 (en) | 2015-12-08 | 2018-10-23 | Nuctech Company Limited | Train type identification method and system, and security inspection method and system |
| CN105426922B (en) * | 2015-12-08 | 2019-02-12 | 同方威视技术股份有限公司 | Rain model recognition methods and system and safety detection method and system |
| CN106044281A (en) * | 2016-07-08 | 2016-10-26 | 长沙理工大学 | Automatic loading system and loading method for packaging box |
| CN110316221A (en) * | 2019-08-09 | 2019-10-11 | 哈尔滨市科佳通用机电股份有限公司 | The implementation method of locomotive running gear device detection system |
| CN115628688A (en) * | 2022-10-20 | 2023-01-20 | 中煤科工智能储装技术有限公司 | Freight train identification and loading method based on image and radio frequency double mutual correction |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20110624 |