CN217198169U - Rail electric locomotive auxiliary driving warning system used in shield tunnel - Google Patents

Rail electric locomotive auxiliary driving warning system used in shield tunnel Download PDF

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Publication number
CN217198169U
CN217198169U CN202221090592.7U CN202221090592U CN217198169U CN 217198169 U CN217198169 U CN 217198169U CN 202221090592 U CN202221090592 U CN 202221090592U CN 217198169 U CN217198169 U CN 217198169U
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electric locomotive
control unit
unit
warning
signal
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CN202221090592.7U
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刘占波
刘志斌
张昆峰
周树清
乔晓亮
龚俊
李蒙
金若雄
胡杰
朱华
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China Railway 11th Bureau Wuhan Heavy Equipment Co ltd
China Railway 11th Bureau Group Urban Rail Engineering Co Ltd
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China Railway 11th Bureau Wuhan Heavy Equipment Co ltd
China Railway 11th Bureau Group Urban Rail Engineering Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

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Abstract

The utility model provides a shield constructs with rail electric locomotive assistant driving warning system in tunnel. The warning system comprises a main control unit, a signal acquisition unit, a voice warning unit, a camera and a display unit, wherein the main control unit and the display unit are all installed in a cab of the electric locomotive, the signal acquisition unit comprises a gyroscope, an encoder and a range finder which are respectively in signal communication connection with the main control unit, the gyroscope is installed on a frame of the electric locomotive, the encoder is installed on a travelling wheel, the range finder is installed on the front side of the locomotive of the electric locomotive, and the voice warning unit and the camera are all installed at the top of the locomotive of the electric locomotive and are in communication connection with the main control unit respectively. The utility model discloses avoided the electric locomotive to have reduced the safety risk of electric locomotive in the work progress because of lacking the danger that reminds and the early warning brought when going into the construction region at last downhill path state, stall state, start-up condition and electric locomotive.

Description

Rail electric locomotive auxiliary driving warning system used in shield tunnel
Technical Field
The utility model belongs to the technical field of electric locomotive intelligent control, specifically a shield tunnel is interior with there is rail electric locomotive auxiliary driving warning system, this warning system can carry out the voice broadcast warning under normal driving state and the accident situation, avoids the electric locomotive to go into the danger that construction area brought because of lacking warning and early warning when downhill path state, stall state, starting condition and electric locomotive drive in.
Background
With the rapid development of society and cities, underground rail transit has become an important way for relieving urban traffic pressure, and whether an electric locomotive can efficiently and safely operate in shield construction of the underground rail transit is always an important factor influencing the shield construction efficiency and safety.
The self-load of the electric locomotive can reach about 200T when the electric locomotive is fully loaded, and meanwhile, the running track of the electric locomotive cannot keep the surface of the track to be completely horizontal and smooth due to the influence of factors such as installation and the like; meanwhile, in the construction process, the surface of the track cannot be completely clean, so that dangerous conditions such as vehicle sliding, stalling and derailing can easily occur in the running process of the electric locomotive. Because the dead weight of the electric locomotive is very big, so inertia is very big, when dangerous condition such as the swift current car takes place, often can't stop the electric locomotive completely the very first time, and unstable factor is more. When the dangerous situation occurs, if the number of people in the working area is large and the people are not aware of the situation, a serious safety accident is easily caused.
Disclosure of Invention
The utility model discloses the defect to prior art existence provides a shield constructs with rail electric locomotive auxiliary driving warning system in tunnel, this warning system can carry out the voice broadcast warning under normal driving state and the accident condition, avoid the electric locomotive at last downhill path state, stall state, danger that starting condition and electric locomotive brought because of lacking warning and early warning when driving into the construction region, can solve current shield structure electromechanical locomotive because of the problem of the untimely secondary accident that takes place of warning when taking place the incident.
In order to achieve the purpose, the utility model provides a shield tunnel is interior with rail electric locomotive auxiliary driving warning system, its characterized in that: the warning system comprises a main control unit, a signal acquisition unit, a voice warning unit, a camera and a display unit, wherein the main control unit and the display unit are all installed in a cab of the electric locomotive, the signal acquisition unit comprises a gyroscope, an encoder and a range finder which are respectively in signal communication connection with the main control unit, the gyroscope is installed on a frame of the electric locomotive, the encoder is installed on a travelling wheel, the range finder is installed on the front side of the locomotive of the electric locomotive, and the voice warning unit and the camera are all installed at the top of the locomotive of the electric locomotive and are in communication connection with the main control unit respectively.
This use novel better technical scheme: the warning system further comprises warning boards arranged at the beginning and end sections of each different area of the shield tunnel, each warning board is fixed on one side or two sides of the track of the shield tunnel through bolts, and different pattern layers are arranged on each warning board.
This use novel better technical scheme: the gyroscope is an inductance gyroscope, is arranged below a storage battery supporting beam of the electric locomotive and used for measuring the posture of a vehicle body, transmitting a measured signal to a control unit, displaying the signal through a display unit by the control unit and sending the signal to a voice warning unit for voice prompt.
This use novel better technical scheme: the encoder is arranged on a front side traveling wheel or a rear side traveling wheel of the locomotive head of the electric locomotive, the speed is measured through the front and rear traveling of the electric locomotive, the signal is transmitted to the control unit, the control unit displays the signal through the display unit, and the signal is sent to the voice warning unit for voice prompt.
This use novel better technical scheme: the distance measuring instrument is one of laser distance measuring instrument or ultrasonic distance measuring instrument for the distance between electric locomotive and the place ahead barrier or electric locomotive the place ahead notice board is monitored, and sends monitoring data to the control unit, shows the signal through the display element by the control unit, and sends and carries out voice prompt for the pronunciation warning unit.
This use novel better technical scheme: the camera is used for shooting the positions of a station, a tunnel, a trolley and a notice board in real time, transmitting signals to the control unit, displaying the signals through the display unit by the control unit, and sending the signals to the voice warning unit for voice prompt.
The gyroscope sensor of the utility model is a simple and easy-to-use control system based on the positioning of free space movement and gestures, and the movement direction of the electric locomotive is judged through the three-axis movement attitude parameters, so that the uphill and downhill states of the electric locomotive are measured; the photoelectric rotary encoder can convert mechanical quantities such as angular displacement, angular speed and the like of an output shaft into corresponding electric pulse signals through photoelectric conversion, so that the running speed of the electric locomotive is measured; the distance measuring instrument is a device for measuring distance by using laser, and is characterized by that when it is worked, a thin laser beam is projected toward target, and the laser beam reflected from target is received by photoelectric element, and the time from projection to reception of laser beam is measured by timer, and the distance from laser beam to measured target can be calculated. The magnetic proximity switch converts non-electric quantity or electromagnetic quantity into expected electric signal through the change of the position relation between the sensor and the object, thereby achieving the purpose of control or measurement. Data collected by the sensors are transmitted to a PLC (programmable logic controller) through RS485 Modbus communication for data calculation processing, so that information such as the running speed and direction of the electric locomotive, the up-down slope state and the like is obtained, and the information is displayed on a KTP400 display screen through a human-computer interface.
The voice warning unit mainly comprises voice warning in an electric locomotive control room, voice warning in a construction area of the shield tunneling machine and the like; the main broadcasted voice contents are as follows: firstly, closing an electric locomotive cab door immediately if the cab door is not closed; secondly, the electric locomotive is in an uphill state and the speed is noticed; thirdly, the electric locomotive is in a downhill state and the speed is noticed; fourthly, the electric locomotive is decelerated when the speed is too high; and fifthly, the electric locomotive enters the construction area to pay attention to safety (continuously reporting for one minute).
The utility model has the advantages that:
(1) the utility model integrates the existing voice warning system of the electric locomotive, and comprises the reminding of the state of going up and down slopes, the reminding of the starting state, the reminding of the driving of the electric locomotive into the construction area and the like when in a normal running state; detecting the state prompt of an up-down slope by adopting a gyroscope, and detecting whether the construction area enters a state or not by a range finder module; the photoelectric rotary encoder is used for measuring the running speed and direction; the magnetic proximity switch is used for detecting whether the cab door is normally closed.
(2) The electric locomotive voice warning system also integrates stall state reminding in the abnormal driving state, adopts the encoder to detect the speed state of the electric locomotive, and sends warning reminding to a driver in an operation room and personnel in a working area in time when the electric locomotive brakes and fails or slides, so that safety accidents caused by untimely discovery are reduced.
The utility model discloses simple structure, convenient to use have avoided the electric locomotive to drive into the danger that the construction area brought because of lacking warning and early warning when going into at last downhill path state, stall state, starting condition and electric locomotive, have solved current shield structure electromechanical locomotive owing to the problem of the secondary accident that takes place when taking place the incident untimely because of reminding often, have improved work efficiency, have reduced the safe risk of electric locomotive in the work progress.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a control schematic diagram of the present invention.
In the figure: 1-electric locomotive, 100-electric locomotive, 2-pronunciation warning unit, 3-cameras, 4 display element, 5 distancers, 6-gyroscopes, 7-walking wheels, 8-encoder, 9-notice board, 10-the main control unit.
Detailed Description
The utility model provides an intelligent auxiliary driving system of an electric locomotive in a shield tunnel, which is further explained with the attached drawings. Fig. 1 to 3 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely explaining the object of the embodiment of the present invention, and the technical solution displayed in the drawings is a specific solution of the embodiment of the present invention, and is not intended to limit the scope of the present invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment provides a rail electric locomotive auxiliary driving warning system used in a shield tunnel, which comprises a main control unit 10, a signal acquisition unit, a voice warning unit 2, a camera 3 and a display unit 4, wherein the main control unit mainly comprises Siemens S7-1200 and CB1241 RS485 signal board communication modules; the module integration level is high, and later maintenance is facilitated; the utility model discloses an electric locomotive, including main control unit 1, signal acquisition unit, encoder 8, distancer 5, pronunciation warning unit 2 and camera 3, the top at electric locomotive 100 is all installed to the frame of main control unit signal communication, signal acquisition unit includes gyroscope 6, encoder 8 and the distancer 5 of being connected with main control unit signal communication respectively, gyroscope 6 is installed on electric locomotive 1, encoder 8 is installed at walking wheel 7, distancer 5 installs the front side at electric locomotive 100, be connected with the main control unit communication respectively. The warning system further comprises a warning board 9 arranged at the beginning and end sections of each different area of the shield tunnel, each warning board 9 is fixed on one side or two sides of the track of the shield tunnel through bolts, and different pattern layers are arranged on each warning board. The notice board is used as an auxiliary device, changes the measuring data of the distance measuring instrument, and is pasted with different typical images on the display board, so that the camera can conveniently monitor and feed back the images to the display.
The gyroscope 6 in the embodiment is an inductance gyroscope, is arranged below a storage battery supporting beam of the electric locomotive 1 and used for measuring the posture of a locomotive body, transmits a measured signal to the control unit, displays the signal through the display unit 4 by the control unit, and sends the signal to the voice warning unit 2 for voice prompt. And switching to a display according to the state of the gyroscope to form two state values of ascending and descending, and when the slope value is greater than +/-10 per thousand, +/-20 per thousand and +/-25 per thousand, carrying out voice broadcasting at intervals of 10 minutes to broadcast the content of 'please notice on ascending or please notice on descending'. The encoder 8 in the embodiment is arranged on a front side traveling wheel or a rear side traveling wheel of the locomotive head of the electric locomotive, the speed is measured through the front and rear traveling of the electric locomotive, a signal is transmitted to the control unit, the signal is displayed by the control unit through the display unit 4, and the signal is sent to the voice warning unit 2 for voice prompt. The encoder is electrically driven by the locomotive to move forward and backward to measure the speed and transmit the speed to the display unit, the main control unit 10 sets limit values according to a straight line segment and a curve segment, and the voice broadcasting system is awakened after overspeed, so that the broadcasting content of 'overspeed and speed reduction' is reported.
In the embodiment, the distance measuring instrument 5 is one of a laser distance measuring instrument or an ultrasonic distance measuring instrument, and is used for monitoring the distance between the electric locomotive head 100 and a front obstacle or a front notice board of the electric locomotive head, transmitting monitoring data to the control unit, displaying a signal through the display unit 4 by the control unit, and transmitting the signal to the voice warning unit 2 for voice prompt. According to the change of the distance value measured by the distance meter, voice broadcasting is carried out when the value change is more than 50cm, and the broadcasting content 'please notice, enters a new area'. In the embodiment, the camera 3 is used for shooting the positions of a station, a tunnel, a trolley and a notice board in real time, transmitting signals to the control unit, displaying the signals through the display unit 4 by the control unit, sending the signals to the voice warning unit 2 for voice prompt, and strengthening the prompt through the change of the picture of the display unit 4 and the prompt of the voice warning unit 2. The display unit 4 and the voice warning unit 2 remind people of safety inspection and protection measures before starting and when parking according to the power-on/power-off state of the electric locomotive, and broadcast the content that the people need to check before starting and close the door before parking or need to brake for preventing sliding after parking.
After the system in the utility model is initialized successfully, the running speed of the electric locomotive, the advancing and retreating state of the electric locomotive, the ascending and descending state of the electric locomotive and the like are detected by the signal acquisition unit in a circulating way; the signal acquisition unit is in communication connection with the main control unit 10; the running state and other information data of the electric locomotive are transmitted to the main control unit 10, the main control unit 10 calculates and processes the data and then displays the running related information of the electric locomotive through an OLED screen, and meanwhile, when the electric locomotive runs in an abnormal state, a driver of the electric locomotive is warned in time through voice.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims (6)

1. The utility model provides a shield tunnel is interior with rail electric locomotive auxiliary driving warning system which characterized in that: the warning system comprises a main control unit (10), a signal acquisition unit, a voice warning unit (2), a camera (3) and a display unit (4), wherein the main control unit (10) and the display unit (4) are installed in a cab of the electric locomotive (1), the signal acquisition unit comprises a gyroscope (6), a coder (8) and a range finder (5) which are respectively connected with the main control unit in a signal communication mode, the gyroscope (6) is installed on a frame of the electric locomotive (1), the coder (8) is installed on a walking wheel (7), the range finder (5) is installed on the front side of the electric locomotive head (100), and the voice warning unit (2) and the camera (3) are both installed at the top of the electric locomotive head (100) and are respectively connected with the main control unit in a communication mode.
2. The rail-bound electric locomotive auxiliary driving warning system used in the shield tunnel according to claim 1, characterized in that: the warning system further comprises warning boards (9) arranged at the beginning and end sections of each different area of the shield tunnel, each warning board is fixed on one side or two sides of the track of the shield tunnel through bolts, and different pattern layers are arranged on each warning board.
3. The rail-bound electric locomotive auxiliary driving warning system used in the shield tunnel according to claim 1 or 2, characterized in that: gyroscope (6) are inductance gyroscope, install in electric locomotive (1) battery supporting beam below for the automobile body gesture is measured, and with a measuring signal transmission individual the control unit, show the signal through display element (4) by the control unit, and send and carry out voice prompt for pronunciation warning unit (2).
4. The rail-bound electric locomotive auxiliary driving warning system used in the shield tunnel according to claim 1 or 2, characterized in that: the encoder (8) is installed on a front side walking wheel or a rear side walking wheel of the locomotive head of the electric locomotive, the speed is measured through the front and rear walking of the electric locomotive, the signal is transmitted to the control unit, the control unit displays the signal through the display unit (4), and the signal is sent to the voice warning unit (2) to be subjected to voice prompt.
5. The rail-bound electric locomotive auxiliary driving warning system used in the shield tunnel according to claim 2, characterized in that: distancer (5) are one of laser range finder or ultrasonic ranging appearance for the distance between electric locomotive (100) and the place ahead barrier or electric locomotive the place ahead notice board is monitored, and send monitored data to the control unit, show the signal through display element (4) by the control unit, and send and carry out voice prompt for voice warning unit (2).
6. The rail-bound electric locomotive auxiliary driving warning system used in the shield tunnel according to claim 2, characterized in that: camera (3) are used for shooing the position of station, tunnel, platform truck and notice board in real time to give the control unit with signal transmission, show the signal through display element (4) by the control unit, and send and carry out voice prompt for pronunciation warning unit (2).
CN202221090592.7U 2022-05-07 2022-05-07 Rail electric locomotive auxiliary driving warning system used in shield tunnel Active CN217198169U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221090592.7U CN217198169U (en) 2022-05-07 2022-05-07 Rail electric locomotive auxiliary driving warning system used in shield tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221090592.7U CN217198169U (en) 2022-05-07 2022-05-07 Rail electric locomotive auxiliary driving warning system used in shield tunnel

Publications (1)

Publication Number Publication Date
CN217198169U true CN217198169U (en) 2022-08-16

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CN202221090592.7U Active CN217198169U (en) 2022-05-07 2022-05-07 Rail electric locomotive auxiliary driving warning system used in shield tunnel

Country Status (1)

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CN (1) CN217198169U (en)

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