CN111391803A - Train derailment recognition early warning device - Google Patents
Train derailment recognition early warning device Download PDFInfo
- Publication number
- CN111391803A CN111391803A CN202010093953.2A CN202010093953A CN111391803A CN 111391803 A CN111391803 A CN 111391803A CN 202010093953 A CN202010093953 A CN 202010093953A CN 111391803 A CN111391803 A CN 111391803A
- Authority
- CN
- China
- Prior art keywords
- early warning
- laser ranging
- processing module
- module
- train
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Traffic Control Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a train derailment recognition early warning device, which consists of a laser ranging device, an early warning module and a terminal processing module, wherein the laser ranging device comprises a laser ranging sensor, a sensor protective cover and a T-shaped combined rod piece, the laser ranging sensor is arranged in the sensor protective cover, and the T-shaped combined rod piece is fixed on a bogie swing bolster through a U-shaped pipe clamp; the early warning module acquires data of the laser ranging sensor in real time through a data line, compares the processed data with a preset threshold value, and sends a signal to start the terminal processing module through the wireless communication device when the data exceeding the threshold value appears; the terminal processing module comprises a brake processing module and a cab alarm module, the brake processing module can automatically reduce the running speed of the train, and the alarm module is an alarm device for starting the cab.
Description
Technical Field
The invention belongs to the field of train fault detection, and particularly relates to a derailment identification early warning device.
Background
The derailment of the train means that the wheels leave the steel rail in the running process, so that the vertical and transverse restraining force of the steel rail on the wheel pair disappears, and the train can not continue to run normally on the rail. The reasons for derailment are often difficult to find, and the main reasons for derailment are inconsistent due to different running speeds and train loads of lines such as high-speed railways, general-speed railways, heavy haul railways and urban rail transit, and the viscosity between wheel sets and steel rails is reduced along with the increase of the running speeds, so that the risk of being influenced by external weather environment is increased; the larger the train load is, the larger the bearing capacity of the steel rail can be, and the probability of being influenced by the shapes of the smoothness of the steel rail and the like in the running process can be increased. At present, a detection device for train derailment is not installed on a train, and measures are taken by corresponding detection means after the train derailment, so that damage to the train and passengers caused by the derailment cannot be avoided.
At present, devices or technologies for train derailment at home and abroad mainly adopt an alarm and processing method after the derailment phenomenon occurs, and a technical means capable of timely finding and timely reducing the derailment probability is unavailable for a while. Therefore, how to solve the above problems is the subject of the present invention.
Disclosure of Invention
In order to solve the problems, the invention provides a derailment identification early warning device, which aims to adapt to the existing train structure and take preventive measures for the derailment of the train in time.
The purpose of the invention can be realized by the following technical scheme:
a train derailment recognition early warning device comprises a laser ranging device, an early warning module and a terminal processing module, wherein the laser ranging device comprises a laser ranging sensor, a sensor protection cover and a T-shaped combined rod piece, the laser ranging sensor is arranged in the sensor protection cover, and the laser ranging sensor comprises a transmitting unit and a receiving unit; the T-shaped combined rod piece is fixed on the truck bolster through a U-shaped pipe clamp; the early warning module acquires data of the laser ranging sensor in real time through a data line, compares the processed data with a preset threshold value, and starts the terminal processing module through a wireless communication network when the data exceeding the threshold value appears; the terminal processing module comprises a brake processing module and a cab alarm module, the brake processing module can automatically reduce the running speed of the train, and the alarm module is an alarm device for starting the cab.
As a preferred scheme, the laser ranging sensors are sequentially arranged at the left bottommost end, the right bottommost end and the left side and the right side of the middle vertical bottom of the transverse steel pipe in the combined rod piece, and data collected by the sensors are transmitted to the early warning and alarming module through data lines built in the combined rod piece.
As a preferred scheme, the transverse steel pipes of the combined rod pieces are respectively fixed on the truck bolster through two U-shaped pipe clamps at the left side and the right side, and the vertical steel rails are fixed on the truck bolster through one U-shaped pipe clamp at the upper parts.
As an optimal scheme, the early warning module is positioned in the middle of the train body.
As a preferred scheme, the early warning module and the terminal processing module are connected through a wireless communication network, and a data transmission line is arranged as an emergency scheme.
The brake processing module is installed in the train operation control system.
The alarm module is arranged in the train fault display.
Further, the laser irradiation point of the laser ranging sensor is the position of the rail head of the steel rail.
Stated further, the sensor protective cover is fixed on the base plate through screws, and the base plate and the combined rod piece are welded into a whole.
The invention has the advantages that:
(1) the device installation is convenient, under the prerequisite that does not influence the current framework of automobile body bogie, realizes through installing the device additional on the truck bloster.
(2) The device is high in identification precision, and compared with a mode of identifying through conversion indexes such as acceleration, the device realizes distance identification through pulse laser and is closer to an actual running state in analysis.
(3) Harm is reduced, speed reduction early warning is carried out in time before a derailment state possibly occurs, a driver is made to know the running state of the train in time through alarm prompting, and risk cost is reduced to the minimum as far as possible.
(4) The device has wide application range and can be used on various rail traffic routes.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present patent, the following drawings are drawn and introduced.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic left view of the laser ranging device of the present invention.
Fig. 3 is an enlarged view of the laser ranging device of the present invention in a left view direction.
Fig. 4 is a schematic view of the working principle of the laser distance measuring device of the present invention.
Fig. 5 is a schematic view of the overall structure of the early warning module and the terminal processing module according to the present invention.
Fig. 6 is a flow chart of the working principle of the present invention.
Summary of reference numerals: the system comprises a laser ranging device 1, an early warning module 2, a terminal processing module 3, a bogie 4, a wheel pair 5, a vehicle body 6, a data transmission line 7, a combined rod 8-T-shaped piece, a sensor protective cover 9, a pipe clamp 10-U-shaped piece, a steel rail 11, a laser ranging sensor 12, a bogie swing bolster 13, a wireless communication device 14, a brake processing module 15 and a cab alarm module 16.
Detailed Description
In order that the technical solutions of the present invention can be more clearly understood, the present invention will be described in detail below with reference to the accompanying drawings and examples.
The implementation method comprises the following steps: as shown in fig. 1-5, the invention provides a train derailment recognition early warning device, which is composed of a laser ranging device 1, an early warning alarm module 2 and a terminal processing module 3, wherein the laser ranging device 1 comprises a laser ranging sensor 12, a sensor protection cover 9 and a T-shaped combined rod 8, the sensor protection cover 9 is internally provided with the laser ranging sensor 12, and the laser ranging sensor 12 comprises a transmitting unit and a receiving unit; the T-shaped combined rod 8 is fixed on a truck bolster 13 through a U-shaped pipe clamp 10; the early warning module 2 acquires data of the laser ranging sensor 12 in real time through the data transmission line 7, compares the processed data with a preset threshold value, and sends a signal to start the terminal processing module 3 through the wireless communication device 14 when the data exceeding the threshold value appears; the terminal processing module 3 comprises a brake processing module 15 and a cab alarm module 16, the brake processing module 15 can automatically reduce the running speed of the train, the alarm module 16 is an alarm device for starting the cab, and derailment early warning can be respectively carried out on lines such as a high-speed railway, urban rail transit, a heavy haul railway and the like by adjusting corresponding threshold values.
As shown in fig. 3-4, the sensor protective covers 9 arranged at the left end, the right end and the bottom end of the T-shaped combined rod 8 respectively vertically and transversely irradiate the rail heads, receive reflected light thereof, transmit four groups of collected data including vertical distances and transverse distances from the rail heads at two sides to the early warning module 2 through the data transmission line 7, and judge whether the data exceed a preset threshold value after operation.
As shown in fig. 5, when the value obtained by the operation of the early warning module 2 exceeds the threshold value, the wireless communication device 14 immediately sends a signal, and the terminal processing module 3 cannot be connected, the data transmission line 7 is provided as an alternative; when the terminal processing module 3 obtains the signal, the brake processing module 15 and the cab alarm module 16 are simultaneously controlled through the data transmission line 7 immediately.
As shown in fig. 6, a flow chart of the working principle of a train derailment recognition early warning device is introduced, wherein in the running process of a train provided with the train derailment recognition early warning device, the vertical distance and the transverse distance between the train derailment recognition early warning device and rail heads on two sides are acquired through a laser ranging sensor 12, and then the train derailment recognition early warning device is input into an early warning module 2 for operation, and the acquired data is compared with a threshold value; when the data exceeds the preset value, the signal is sent to the terminal processing module 3 immediately to decelerate and brake the train, and a warning is sent out on a driving interface.
The above description of examples is not intended to limit the scope of the invention, which is intended to be within the purview of one of ordinary skill in the art as many variations and modifications are possible.
Claims (3)
1. A train derailment recognition early warning device is composed of a laser ranging device (1), an early warning alarm module (2) and a terminal processing module (3), wherein the laser ranging device (1) comprises a laser ranging sensor (12), a sensor protection cover (9) and a T-shaped combined rod piece (8), the laser ranging sensor (12) is arranged in the sensor protection cover (9), and the laser ranging sensor (12) comprises a transmitting unit and a receiving unit; the T-shaped combined rod piece (8) is fixed on a truck bolster (13) through a U-shaped pipe clamp (10); the early warning and alarming module (2) acquires data of the laser ranging sensor (12) in real time through the data transmission line (7), compares the processed data with a preset threshold value, and sends a signal to start the terminal processing module (3) through the wireless communication device (14) when the data exceeding the threshold value appears; the terminal processing module (3) comprises a brake processing module (15) and a cab alarm module (16), the brake processing module (15) can automatically reduce the running speed of the train, the alarm module (16) is an alarm device for starting the cab, and derailment early warning can be respectively carried out on lines such as a high-speed railway, urban rail transit, a heavy haul railway and the like by adjusting corresponding threshold values.
2. The train derailment recognition and early warning device as claimed in claim 1, wherein: sensor protective covers (9) arranged at the left end, the right end and the bottom end of a T-shaped combined rod piece (8), laser ranging sensors (12) arranged in the T-shaped combined rod piece respectively vertically and transversely irradiate the rail heads and receive reflected light of the rail heads, four groups of collected data with the vertical distance and the transverse distance from the rail heads at the two sides are transmitted to an early warning alarm module (2) through a data transmission line (7) to be calculated, and then whether the four groups of data exceed a preset threshold value is judged.
3. The train derailment recognition and early warning device as claimed in claim 1, wherein: when the numerical value obtained by the operation of the early warning alarm module (2) exceeds a threshold value, a signal is immediately sent out through the wireless communication device (14), and the terminal processing module (3) cannot be connected, a data transmission line (7) is provided as an alternative scheme; and after the terminal processing module (3) acquires the signal, the train is immediately subjected to deceleration braking, and a warning is given out on a driving interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093953.2A CN111391803A (en) | 2020-02-14 | 2020-02-14 | Train derailment recognition early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093953.2A CN111391803A (en) | 2020-02-14 | 2020-02-14 | Train derailment recognition early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111391803A true CN111391803A (en) | 2020-07-10 |
Family
ID=71419673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010093953.2A Pending CN111391803A (en) | 2020-02-14 | 2020-02-14 | Train derailment recognition early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111391803A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758449A (en) * | 2021-09-03 | 2021-12-07 | 武汉一冶钢结构有限责任公司 | Anti-derailment detection system and detection method for traveling crane on track |
| CN114559908A (en) * | 2022-03-01 | 2022-05-31 | 株洲科盟车辆配件有限责任公司 | Laser detection type derailing automatic braking system |
-
2020
- 2020-02-14 CN CN202010093953.2A patent/CN111391803A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758449A (en) * | 2021-09-03 | 2021-12-07 | 武汉一冶钢结构有限责任公司 | Anti-derailment detection system and detection method for traveling crane on track |
| CN113758449B (en) * | 2021-09-03 | 2023-06-27 | 武汉一冶钢结构有限责任公司 | Derailment prevention detection system and detection method for traveling crane on track |
| CN114559908A (en) * | 2022-03-01 | 2022-05-31 | 株洲科盟车辆配件有限责任公司 | Laser detection type derailing automatic braking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105564468B (en) | A kind of railway freight-car driving safety monitoring system and method | |
| CN204241240U (en) | A kind of safe prediction analytic system of metro vehicle bogie | |
| CN204055812U (en) | A kind of vehicle derailing monitoring system | |
| CN101531202B (en) | Car derailment automatic early warning method and early warning system thereof | |
| CN110849288B (en) | Rail vehicle derailment detection method based on vehicle body contour line | |
| CN101624022A (en) | Normal conducting electromagnetic levitation type rail polling car | |
| CN112644561B (en) | Train tracking capacity determination method based on relative speed tracking model | |
| CN111391803A (en) | Train derailment recognition early warning device | |
| CN103231719A (en) | Double-power railway track comprehensive inspection vehicle | |
| CN211642165U (en) | Train obstacle and derailment detection system, detection device and rail train | |
| WO2017219655A1 (en) | Rail vehicle system | |
| CN209757131U (en) | Derailing monitoring device for mining endless rope continuous tractor | |
| CN112550343A (en) | Automatic trailer method and device suitable for freight train | |
| CN106530827A (en) | Corner driving early warning device, system and method | |
| CN204605851U (en) | Railway end line safety alarm stopping device | |
| CN112265569B (en) | Variable combined engineering truck operation safety protection method based on signal system protection | |
| CN214295914U (en) | Deceleration strip detection and adjustment system | |
| CN110803198B (en) | Rail vehicle derailment detection method based on bogie contour line | |
| CN111114561B (en) | Control method of tramcar auxiliary driving system based on ADAS technology | |
| CN112428754A (en) | Straddle type monorail train horizontal rubber tire pressure on-line detection device | |
| KR20140005407A (en) | Apparatus for mornitoring wheel abrasion device using three dimension laser with axle counter | |
| CN219474677U (en) | Posture monitoring system of beam transporting vehicle based on Beidou positioning | |
| CN113415318B (en) | Train coupling marshalling auxiliary protection system and protection method | |
| CN115158271A (en) | Method for braking railway rolling stock | |
| CN112319494A (en) | Deceleration strip detection and adjustment system and detection and adjustment method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200710 |