CN220798370U - Locomotive passing phase separation video monitoring system - Google Patents

Locomotive passing phase separation video monitoring system Download PDF

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Publication number
CN220798370U
CN220798370U CN202322462762.0U CN202322462762U CN220798370U CN 220798370 U CN220798370 U CN 220798370U CN 202322462762 U CN202322462762 U CN 202322462762U CN 220798370 U CN220798370 U CN 220798370U
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China
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image acquisition
locomotive
unit
monitoring system
video monitoring
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CN202322462762.0U
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申志强
普建刚
张颖斐
朱建凯
贾昌晖
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Institute of Science and Technology of China Railway Xian Group Co Ltd
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Institute of Science and Technology of China Railway Xian Group Co Ltd
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Abstract

The utility model belongs to the field of electric locomotive passing neutral section control, in particular to a locomotive passing neutral section video monitoring system, which comprises an image acquisition unit, a data transmission unit, a control unit and a power supply, wherein the image acquisition unit is arranged on an insulating column of a neutral section close to a neutral section, the image acquisition unit is connected with the control unit through the data transmission unit, the control unit is used for receiving and storing image information of the neutral section of a contact net sent by the data transmission unit, and the power supply is connected with the image acquisition unit. According to the utility model, the video monitoring system is arranged on the contact net insulating column near the split-phase neutral zone, the image acquisition unit detects the condition of the electrified passing neutral zone of the pantograph of the locomotive in real time in the contact net split-phase neutral zone, and the detected image data is sent to the controller through the data transmission unit, so that the controller can be connected with the display screen to reflect the working condition of the passing neutral zone of the pantograph of the locomotive in real time.

Description

Locomotive passing phase separation video monitoring system
Technical Field
The utility model belongs to the field of passing neutral section control of electric locomotives, and particularly relates to a locomotive passing neutral section video monitoring system.
Background
The power supply network of the power system in China adopts three-phase alternating current power supply, and the railway electrified railway adopts single-phase power frequency alternating current traction power supply. In order to balance the load of a three-phase power supply network of a power system and improve the utilization rate of the power grid, the electrified railway overhead contact system adopts a segmented split-phase power supply mode. To prevent phase shorting, each phase is split with air or an insulator, known as electrical split.
When the electrified train runs from the overhead contact system, fault working conditions such as excessive phase switching failure of the locomotive, arc discharge of the pantograph and the like can exist, if the fault is continuous, the locomotive and power supply equipment can be damaged, and even the personal safety is jeopardized, so that the excessive phase of the locomotive needs to be monitored.
The existing monitoring means for train passing neutral section adopts a contact net 6C detection system to carry out monthly detection, wherein the 6C detection system comprises a high-speed bow net comprehensive detection device (1C device), a contact net safety inspection device (2C device), a vehicle-mounted contact net running state detection device (3C device), a contact net hanging state detection monitoring device (4C device), a pantograph slide plate monitoring device (5C device) and a contact net and power supply equipment ground monitoring device (6C device), so that monthly detection of parameters such as bow net contact force, contact net pressure, contact line height, dynamic contact line pull-out value, contact line hard points, bow net off-line sparks and the like is realized.
Under normal conditions, the overhead line system using state of the overhead line system no-electricity area of the automatic passing phase separation ground device of the electrified locomotive is detected by the overhead line system detecting vehicle once a month, so that the purposes of data comparison and safety tracing are achieved. Therefore, the method can not record the condition that the electrified pantograph of the locomotive automatically passes through the neutral section of the contact network in real time, and can not effectively perform the safe tracing and data comparison of the electrified automatic neutral section of the locomotive.
Disclosure of utility model
The utility model aims to provide a locomotive passing neutral section video monitoring system, which aims to solve the problem that the situation that the contact net 6C detection provided in the background technology can not record the condition that a locomotive pantograph is electrified and automatically passes through a contact net neutral section in real time.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The locomotive passing neutral phase separation video monitoring system comprises an image acquisition unit, a data transmission unit, a control unit and a power supply, wherein the image acquisition unit is arranged on an insulating column of a neutral zone, which is close to a non-electric zone; the image acquisition unit is connected with the control unit through the data transmission unit, and the control unit is used for receiving and storing the image information of the neutral zone of the overhead line system, which is sent by the data transmission unit, in the neutral zone of the overhead line system; the power supply is connected with the image acquisition unit.
Further, two image acquisition units are arranged, and the image acquisition units are respectively arranged on insulating columns close to two ends of the neutral area and the non-electric area of the contact network;
and/or the two image acquisition units are arranged, and the image acquisition units are respectively arranged on insulating columns of a downlink neutral zone of the contact network, which are close to two ends of the non-electric zone;
and the visual angles of the image acquisition units on the insulating columns at the two ends of the electroless region are complementary.
Further, the image acquisition units are respectively arranged on a No. 5 insulating column and a No. 11 insulating column of a downlink neutral zone of the seven-span anchor section joint type electric phase separation contact network, and the visual angle of the image acquisition unit on the No. 5 insulating column is complementary with that of the image acquisition unit on the No. 11 insulating column;
And/or the image acquisition units are respectively arranged on a No. 6 insulating column and a No. 12 insulating column of the online neutral zone of the seven-span anchor section joint type electric phase separation contact network, and the visual angle of the image acquisition unit on the No. 6 insulating column is complementary with that of the image acquisition unit on the No. 12 insulating column.
Further, the height of the image acquisition unit is 9-9.2 m.
Further, the image acquisition unit is a dome camera.
Further, the visual angle of the dome camera is 0-360 degrees of horizontal rotation angle, and the pitching rotation angle is-15-90 degrees.
Further, the control unit is a DS-7816N-R2/16P video recorder monitoring host.
Further, the locomotive passing neutral section video monitoring system further comprises an alarm unit, and the alarm unit is connected with the control unit.
Further, the alarm unit comprises an infrared detector and an audible and visual alarm, wherein the infrared detector is connected with the control unit through the data transmission unit, and the audible and visual alarm is connected with the control unit.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, a video monitoring system is arranged on a nearby contact net insulating column of a split-phase neutral zone, an image acquisition unit is used for detecting the condition of the electrified neutral zone of the locomotive pantograph in real time, detected image data is sent to a controller through a data transmission unit, the controller is used for receiving and storing the image information of the neutral zone of the contact net, which is sent by the data transmission unit, the controller can be connected with a display unit, the working condition of the electrified neutral zone of the locomotive pantograph is reflected in real time, or the controller is connected with an upper computer, the dangerous condition of arc discharge of the electrified neutral zone of the locomotive pantograph is met, and the upper computer can perform data comparison and tracing, perform safety analysis and rectification, so that the transportation safety is ensured.
Drawings
FIG. 1 is a block diagram of a system of the present utility model;
FIG. 2 is a seven-span anchor segment articulated electrical phase separation catenary;
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, but the present utility model is not limited to the embodiments described below.
Referring to fig. 1, a locomotive passing phase separation video monitoring system comprises an image acquisition unit, a data transmission unit, a control unit and a power supply, wherein the image acquisition unit is arranged on an insulating column in a neutral zone, the image acquisition unit is connected with the control unit through the data transmission unit, and the power supply is connected with the image acquisition unit.
The image acquisition unit is used for acquiring image information in a neutral area of the overhead contact system in real time and transmitting the acquired image to the data transmission unit.
The power supply provides working voltage for the image acquisition unit.
The data transmission unit is used for data transmission between the image acquisition unit and the control unit, and specifically is used for transmitting the image information in the neutral zone area of the overhead line system acquired by the image acquisition unit to the control unit and transmitting the control signal sent by the control unit to the image acquisition unit.
The control unit is used for receiving and storing the image information of the neutral area of the overhead line system, which is sent by the data transmission unit, and communicating with the upper computer, and sending the image information of the neutral area of the overhead line system to the upper computer; or the control unit is connected with the display unit, and sends the image information in the neutral area of the contact net to the display unit for display.
The display unit receives the image information in the neutral area of the contact net sent by the control unit and displays the image information in the neutral area of the contact net.
And the upper computer receives the image information in the neutral area of the overhead line system, which is sent by the control unit, and performs data comparison and safety tracing according to the image information, so as to perform safety analysis on the condition of the pantograph of the locomotive in the neutral area and the overhead line system.
Further optimizing, setting an alarm unit in a neutral zone of the overhead contact system, wherein the alarm unit is connected with a controller; the alarm unit is used for monitoring the condition of passing neutral section between the locomotive pantograph and the contact net in real time and alarming abnormal conditions such as arc discharge between the neutral section and the contact net of the locomotive pantograph.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a locomotive passing neutral section video monitoring system, which is applied to a railway contact network, and generally adopts seven-span anchor section articulated electric neutral section. As shown in fig. 1, the seven-span anchor section joint type electric phase-splitting contact net is structurally characterized in that an insulation conversion column with odd marks is arranged on a downlink, wherein the insulation conversion columns are respectively 1, 3, 5, 7, 9, 11, 13 and 15, a phase A is arranged between the 1 and 3, a phase B is arranged between the 13 and 15, a neutral zone is arranged between the 3 and 13, and a neutral zone no-electric zone is arranged between the 5 and 11. Correspondingly, the insulated switching columns with even numbers are arranged on the uplink and are respectively No. 2, no. 4, no. 6, no. 8, no. 10, no. 12, no. 14 and No. 16, wherein the phase A is arranged between the No. 2 and the No. 4, the phase B is arranged between the No. 14 and the No. 16, the neutral area is arranged between the No. 4 and the No. 14, and the neutral area is arranged between the No. 8 and the No. 10.
The image acquisition unit is arranged on an insulating column of the neutral zone, which is close to the neutral zone, and acquires image information in the neutral zone area of the contact net in real time. In practice, one or more image acquisition units may be set according to the irradiation distance of the camera selected by the image acquisition units, so that the viewing angle of the camera covers the range between the electroless area and the insulating column to the electroless area.
The image acquisition units can be arranged on a No. 5 insulating column and a No. 11 insulating column of the downlink line of the contact net, and the visual angle of the image acquisition unit on the No. 5 insulating column is complementary with that of the image acquisition unit on the No. 11 insulating column; or the image acquisition units are arranged on a No. 6 insulating column and a No. 12 insulating column which are in contact with the uplink of the network, and the visual angle of the image acquisition unit on the No. 6 insulating column is complementary with that of the image acquisition unit on the No. 12 insulating column; and the image acquisition units are arranged on the No. 5 insulating column and the No. 11 insulating column of the downlink line of the contact net and the No. 6 insulating column and the No. 12 insulating column of the uplink line of the contact net, so that the visual angle acquired by the image acquisition units is ensured to cover the electroless areas of the uplink line and the downlink line of the contact net, and the visual angle dead zone is avoided.
Specifically, the image acquisition unit in the implementation is preferably a distant view camera, and further preferably a commercial sea-Kangwei vision iDS-2DC7423MWR-A series spherical camera, the power supply voltage is AC24V, the irradiation distance is 150 m, the night vision distance is 150 m, the visual angle of the spherical camera is 0-360 degrees capable of horizontally rotating, and the pitching rotation angle is-15-90 degrees. The spherical camera is specifically arranged on a No. 5 insulating column and a No. 11 insulating column of a downlink neutral zone of the seven-span anchor section joint type electric phase separation contact network; the visual angle of the No. 5 insulation column ball machine camera is complementary with the visual angle of the No. 11 insulation column ball machine camera.
The height of the dome camera on the insulation column is 9-9.2 m.
The iDS-2DC7423MWR-A series ball camera is internally provided with a camera, a decoder and a holder, wherein the decoder controls the holder to rotate up, down, left and right, and controls a lens of the camera to realize the functions of zoom, focusing and aperture change.
The iDS-2DC7423MWR-A series dome camera is only provided with a power line and a data transmission line, the power line is connected with a power supply, the data transmission line simultaneously realizes the transmission of video signals and control signals, and the video signals and the control signals are communicated with a controller through optical fibers.
The power supply provides AC24V power for the iDS-2DC7423MWR-A series dome camera.
The data transmission unit adopts optical fiber transmission, supports RJ45 network ports, and adapts to 10M/100M network data. The data transmission unit may also be preferably a coaxial cable, and the video signal collected by the dome camera is sent to the controller through an optical fiber or the coaxial cable.
The control unit is a DS-7816N-R2/16P video recorder monitoring host sold in the market of Kagawa, power is supplied by using POE Ethernet, the control unit is used for receiving video signals sent by the camera of the dome camera and is communicated with the upper computer, the movement state of a cradle head arranged in the camera of the dome camera is controlled, and the display device is controlled to display the video signals.
The display device is an existing display screen of the control room, and the existing display screen decodes and displays the video signal sent by the controller.
The upper computer is a locomotive control system of the existing ground automatic passing neutral section device, the locomotive control system carries out data comparison and safe tracing on video signals, and safety analysis is carried out on the working condition of passing neutral section of a pantograph belt point of the locomotive, so that the locomotive achieves the purpose of safe transportation.
The locomotive passing phase separation video monitoring system further comprises an alarm unit, the alarm unit comprises an infrared detection device and an audible and visual alarm, the infrared detection device is connected with the controller through a data transmission unit, the audible and visual alarm is connected with the controller, the infrared detection device is used for detecting infrared light in a neutral area of the contact network and sending detection signals to the controller through the data transmission unit, an infrared radiation threshold value is set in the controller, and the controller judges that when the infrared detection device detects that the infrared radiation in the neutral area of the contact network exceeds the threshold value, namely, once the arc discharge phenomenon occurs between the pantograph and the contact network, the controller controls the audible and visual alarm to send alarm signals.
The locomotive passing neutral section video monitoring system of the embodiment has the following working principle: and a ball camera and an infrared camera are arranged on two insulating columns of the neutral zone of the contact net, which are close to the neutral zone of the contact net, the ball camera monitors the video of the neutral zone of the contact net of the automatic neutral-phase passing ground device of the contact net of the electrified automatic neutral-phase passing ground device of the locomotive, and the infrared camera monitors the infrared radiation of the neutral zone of the contact net of the automatic neutral-phase passing ground device of the contact net of the locomotive.
The obtained video signal data and infrared signal data are transmitted to the controller in real time through the optical fiber, the controller is communicated with an upper computer of the control room in real time, the upper computer analyzes and judges the working conditions of the passing neutral section of the pantograph with points of the locomotive, once abnormal working conditions such as arc discharge of the pantograph of the locomotive occur, the angle of the camera can be adjusted in time to monitor the states of all parts of the overhead contact system in the dead zone of the overhead contact system, and an alarm is sent out. Particularly, when the locomotive stops on a slope, the accurate position of the locomotive can be judged according to the video signal, and the locomotive rescue is assisted.

Claims (9)

1. A locomotive passing phase separation video monitoring system is characterized in that: the device comprises an image acquisition unit, a data transmission unit, a control unit and a power supply, wherein the image acquisition unit is arranged on an insulating column of a neutral zone, which is close to an electroless zone; the image acquisition unit is connected with the control unit through the data transmission unit, and the control unit is used for receiving and storing the image information of the neutral zone of the overhead line system, which is sent by the data transmission unit, in the neutral zone of the overhead line system; the power supply is connected with the image acquisition unit.
2. The locomotive phase-splitting video monitoring system of claim 1, wherein: the two image acquisition units are arranged, and the image acquisition units are respectively arranged on insulating columns, close to two ends of the electroless region, of the neutral region of the contact network;
and/or the two image acquisition units are arranged, and the image acquisition units are respectively arranged on insulating columns of a downlink neutral zone of the contact network, which are close to two ends of the non-electric zone;
and the visual angles of the image acquisition units on the insulating columns at the two ends of the electroless region are complementary.
3. The locomotive phase-splitting video monitoring system of claim 2, wherein: the image acquisition units are respectively arranged on a No. 5 insulating column and a No. 11 insulating column of a downlink neutral zone of the seven-span anchor section joint type electric phase separation contact network, and the visual angle of the image acquisition unit on the No. 5 insulating column is complementary with that of the image acquisition unit on the No. 11 insulating column;
And/or the image acquisition units are respectively arranged on a No. 6 insulating column and a No. 12 insulating column of the online neutral zone of the seven-span anchor section joint type electric phase separation contact network, and the visual angle of the image acquisition unit on the No. 6 insulating column is complementary with that of the image acquisition unit on the No. 12 insulating column.
4. The locomotive phase-splitting video monitoring system of claim 1, wherein: the height of the image acquisition unit is 9-9.2 m above the ground.
5. The locomotive phase-splitting video monitoring system of claim 4, wherein: the image acquisition unit is a dome camera.
6. The locomotive phase-splitting video monitoring system of claim 5, wherein: the visual angle of the dome camera is 0-360 degrees of horizontal rotation angle, and the pitching rotation angle is-15-90 degrees.
7. The locomotive phase-splitting video monitoring system of claim 5, wherein: the control unit is a DS-7816N-R2/16P video recorder monitoring host.
8. The locomotive phase-separation video monitoring system of any one of claims 1-7, wherein: the locomotive passing phase separation video monitoring system further comprises an alarm unit, and the alarm unit is connected with the control unit.
9. The locomotive phase-splitting video monitoring system of claim 8, wherein: the alarm unit comprises an infrared detector and an audible and visual alarm, the infrared detector is connected with the control unit through the data transmission unit, and the audible and visual alarm is connected with the control unit.
CN202322462762.0U 2023-09-11 2023-09-11 Locomotive passing phase separation video monitoring system Active CN220798370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322462762.0U CN220798370U (en) 2023-09-11 2023-09-11 Locomotive passing phase separation video monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322462762.0U CN220798370U (en) 2023-09-11 2023-09-11 Locomotive passing phase separation video monitoring system

Publications (1)

Publication Number Publication Date
CN220798370U true CN220798370U (en) 2024-04-16

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CN202322462762.0U Active CN220798370U (en) 2023-09-11 2023-09-11 Locomotive passing phase separation video monitoring system

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CN (1) CN220798370U (en)

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