CN205292688U - Heavy load railway train control system - Google Patents
Heavy load railway train control system Download PDFInfo
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- CN205292688U CN205292688U CN201521105466.4U CN201521105466U CN205292688U CN 205292688 U CN205292688 U CN 205292688U CN 201521105466 U CN201521105466 U CN 201521105466U CN 205292688 U CN205292688 U CN 205292688U
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Abstract
The utility model relates to a heavy load railway train control system, this system include speed sensor and controlling means, and the speed sensor is taken turns shaft type sensor and optical sensor and all is connected with controlling means including shaft type sensor of wheel and optical sensor, wherein: the wheel shaft type sensor, be suitable for install at train wheel epaxial to detect the motion speed and the direction of motion of train, optical sensor is suitable for and installs on the train, and optical sensor's light sends the terminal surface to the railway rails setting to detect the motion speed and the direction of motion of train, controlling means is suitable for the motion speed and the direction of motion that detect according to wheel motion speed that shaft type sensor detected and direction of motion and optical sensor, confirms the motion speed and the direction of motion of train. The rate accuracy of optical profile type sensor when low -speed will be higher than doppler radar formula sensor, and receives the influence of weather environment less for its usability under heavily loaded railway adverse circumstances is better than doppler radar formula sensor.
Description
Technical field
This utility model relates to a kind of heavy haul railway train control system.
Background technology
Heavy haul railway refers to and travels that gross train weight is big, travels heavy axle load wagon or rate of traffic flow and railway that freight volume is especially big, and mainly for delivery of large raw material goods, the twenties in 20th century occurs first in the U.S.. Within 2005, council of international heavy duty association proposes new heavy haul railway standard, it is desirable at least should meet 2 in following 3 conditions: 1. train traction quality is no less than 8000t; 2. in car team, vehicle axle weight meets or exceeds 25t; 3. the line length section no less than 150km, the year charging volume of goods transported is not less than 40,000,000 tons.
Heavy haul railway train is a kind of overlength and/or overweight goods train that adopt the marshalling of large-scale unitrain, employing two-shipper or multi locomotive traction to start on transportation route, is characterized in: vehicle load power is big, and it is many that an extension number compiled by train. Specifying according to special existing Major Technical Policies of Railways, starting the Heavy Haul Freight Train of 5000t, the effective length of arrival departure tracks degree at station is 1050m; Starting the Heavy Haul Freight Train of 10000t on coal-transporting line, the effective length of arrival departure tracks degree at its part station is 1700m. The core of heavy haul railway train is heavy loading locomotive, and one group of heavy loading locomotive is made up of two identical tractors and tractor, and driver selects to use a tractor as controlling end according to the concrete condition of circuit. As a rule, all installing train control system on heavy loading locomotive, train control system major function is exactly control and guide heavy loading locomotive to run in the interval of a safety.
Current train control system is as shown in Figure 1, including controlling device, wheel shaft type sensor and Doppler radar type sensor, wheel shaft type sensor and Doppler radar type sensor are used for testing the speed, wherein wheel shaft type velocity sensor, also known as touch sensor, it is typically mounted in vehicle axles, tests the speed by detecting the rotation of wheel.Doppler radar type sensor, is typically mounted under car also known as noncontacting proximity sensor, tests the speed by irradiating its echo of object detection. But the measuring principle due to Doppler radar type sensor self so that the speed measuring device being made up of Doppler radar type sensor and wheel shaft type sensor has the disadvantage in that
(1) train is when low cruise, and the rate accuracy of Doppler radar type sensor is low, causes that the rate accuracy of whole speed measuring device is low;
(2) Doppler radar type sensor is relatively big by the impact of surrounding enviroment, and therefore once run into extreme weather, the rate accuracy of whole speed measuring device is greatly affected.
Utility model content
Technical problem to be solved in the utility model is: in existing train control system, speed measuring device rate accuracy under low speed and vile weather is relatively low.
For solving above-mentioned technical problem, the utility model proposes a kind of heavy haul railway train control system. This system includes speed measuring device and controls device, and described speed measuring device includes wheel shaft type sensor and optical pickocff, and described wheel shaft type sensor and described optical pickocff are all connected with described control device, wherein:
Described wheel shaft type sensor, is adapted to mount on train wheel shaft, to detect movement rate and the direction of motion of train;
Described optical pickocff, is adapted to mount on train, and the light issuing side of described optical pickocff is in the face of railroad track setting, to detect movement rate and the direction of motion of train;
Described control device, is suitable to the movement rate detected by the movement rate detected by described wheel shaft type sensor and the direction of motion and described optical pickocff and the direction of motion, it is determined that the movement rate of described train and the direction of motion.
Optionally, the quantity of described wheel shaft type sensor is two, on one of them wheel shaft being adapted to mount in train a tractor, on another wheel shaft being adapted to mount in train another tractor.
Optionally, connected by standard interface between described wheel shaft type sensor and described control device, connected by standard interface between described optical pickocff and described control device.
Optionally, described control device is adapted to mount in a tractor of train.
Optionally, described optical pickocff is adapted to mount on the bogie of train.
In the heavy haul railway train control system that this utility model provides, optical pickocff is adopted to substitute Doppler radar type sensor of the prior art, owing to optical sensor is specific to the problem that Doppler radar type sensor runs in utilization and the product researched and developed, rate accuracy when low speed is higher than Doppler radar type sensor, the adaptability of its measuring principle itself is just better than Doppler radar type sensor, impact by weather environment is less so that its availability under heavy haul railway adverse circumstances is better than Doppler radar type sensor. Visible, relative to existing train control system, this utility model improves the rate accuracy under low speed and vile weather.
Accompanying drawing explanation
Can be more clearly understood from characteristic information of the present utility model and advantage by reference accompanying drawing, accompanying drawing is schematic and should not be construed as and this utility model is carried out any restriction, in the accompanying drawings:
Fig. 1 illustrates existing train control system scheme of installation ON TRAINS;
Fig. 2 illustrates this utility model heavy haul railway train control system scheme of installation ON TRAINS.
Detailed description of the invention
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, this utility model is further described in detail.It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding this utility model; but; this utility model can also adopt other to be different from other modes described here to implement, and therefore, protection domain of the present utility model is by the restriction of following public specific embodiment.
This utility model provides a kind of heavy haul railway train control system, as in figure 2 it is shown, this system includes speed measuring device and controls device, described speed measuring device includes wheel shaft type sensor and optical pickocff, described wheel shaft type sensor and described optical pickocff are all connected with described control device, wherein:
Described wheel shaft type sensor, is adapted to mount on train wheel shaft, to detect movement rate and the direction of motion of train;
Described optical pickocff, is adapted to mount on train, and the light issuing side of described optical pickocff is in the face of railroad track setting, to detect movement rate and the direction of motion of train;
Described control device, is suitable to the movement rate detected by the movement rate detected by described wheel shaft type sensor and the direction of motion and described optical pickocff and the direction of motion, it is determined that the movement rate of described train and the direction of motion.
Doppler radar type sensor of the prior art, with railway spike for reflecting surface, the ultrasound wave that reflective sensor sends, and the frequency of reflectance ultrasound ripple and the relation of emitted frequency is detected according to Doppler effect principle, and then calculate movement rate and the direction of motion of train. Therefore in actually used process, its sonic transmissions is affected bigger negative characteristic by line operation environment and appears gradually, and the rate accuracy under lower-speed state is not enough, constrains Doppler radar type sensor availability under heavy haul railway adverse circumstances. And this utility model adopts optical pickocff substitute Doppler radar type sensor of the prior art, optical pickocff adopts spatial filtering algorithms, by launching the infrared ray returned to rail upper surface, continued to detect rail level image by optical pickocff, via to the filtering of image and correlation analysis, calculate movement rate and the direction of motion of rail upper surface. Optical sensor is specific to the problem that Doppler radar type sensor runs in utilization and the product researched and developed, rate accuracy when low speed is higher than Doppler radar type sensor, the adaptability of its measuring principle itself is just better than Doppler radar type sensor, impact by weather environment is less so that its availability under heavy haul railway adverse circumstances is better than Doppler radar type sensor. Visible, relative to existing train control system, this utility model improves the rate accuracy under low speed and vile weather.
Although the device that controls of this utility model train control system relates to the processes such as the process of data, calculating, but its processing procedure is fairly simple (such as carries out contrast computing to optical sensor and wheel shaft type sensor transmitted information, so that it is determined that the real movement rate of train and direction), this utility model is only with being able to carry out the hardware module of above-mentioned computing in prior art to complete corresponding function, and is not the improvement to software.
In the specific implementation, owing to general train can have two tractors, according to different traffic directions, it is possible to select one in two tractors as controlling end, control and guide the operation of train. At this moment, the quantity of wheel shaft type sensor is two, on one of them wheel shaft being adapted to mount in train a tractor, on another wheel shaft being adapted to mount in train another tractor. No matter the tractor of which end is as the control end of train, the train control system that this utility model provides all can be adopted to carry out the control of train.
In the specific implementation, control device to be adapted to mount in a tractor of train.
In the specific implementation, can be connected by standard interface between wheel shaft type sensor and control device, can be connected by standard interface between optical pickocff and control device. Owing to adopting standard interface, configuration is convenient, flexible, and autgmentability is strong, it is possible to meet the demand of different user, it is simple to the maintenance in later stage, replacing etc.
In the specific implementation, optical pickocff is adapted to mount on the bogie of train, easy for installation, reliable.
Although being described in conjunction with the accompanying embodiment of the present utility model, but those skilled in the art can make various modifications and variations when without departing from spirit and scope of the present utility model, and such amendment and modification each fall within the scope being defined by the appended claims.
Claims (5)
1. a heavy haul railway train control system, it is characterized in that, including speed measuring device and control device, described speed measuring device includes wheel shaft type sensor and optical pickocff, described wheel shaft type sensor and described optical pickocff are all connected with described control device, wherein:
Described wheel shaft type sensor, is adapted to mount on train wheel shaft, to detect movement rate and the direction of motion of train;
Described optical pickocff, is adapted to mount on train, and the light issuing side of described optical pickocff is in the face of railroad track setting, to detect movement rate and the direction of motion of train;
Described control device, is suitable to the movement rate detected by the movement rate detected by described wheel shaft type sensor and the direction of motion and described optical pickocff and the direction of motion, it is determined that the movement rate of described train and the direction of motion.
2. system according to claim 1, it is characterised in that the quantity of described wheel shaft type sensor is two, on one of them wheel shaft being adapted to mount in train a tractor, on another wheel shaft being adapted to mount in train another tractor.
3. the system stated according to claim 1, it is characterised in that connected by standard interface between described wheel shaft type sensor and described control device, is connected by standard interface between described optical pickocff and described control device.
4. system according to claim 1, it is characterised in that described control device is adapted to mount in a tractor of train.
5. according to the arbitrary described system of claim 1-4, it is characterised in that described optical pickocff is adapted to mount on the bogie of train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105466.4U CN205292688U (en) | 2015-12-24 | 2015-12-24 | Heavy load railway train control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105466.4U CN205292688U (en) | 2015-12-24 | 2015-12-24 | Heavy load railway train control system |
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| Publication Number | Publication Date |
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| CN205292688U true CN205292688U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521105466.4U Active CN205292688U (en) | 2015-12-24 | 2015-12-24 | Heavy load railway train control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911165A (en) * | 2021-09-30 | 2022-01-11 | 华北水利水电大学 | Speed regulator, marshalling station speed regulating device and method |
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2015
- 2015-12-24 CN CN201521105466.4U patent/CN205292688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911165A (en) * | 2021-09-30 | 2022-01-11 | 华北水利水电大学 | Speed regulator, marshalling station speed regulating device and method |
| CN113911165B (en) * | 2021-09-30 | 2022-11-11 | 华北水利水电大学 | Speed regulator, marshalling station speed regulating device and method |
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