CN210971113U

CN210971113U - Safety warning device for overhauling operation of trench

Info

Publication number: CN210971113U
Application number: CN201921713377.6U
Authority: CN
Inventors: 黎莎; 赵承照
Original assignee: Wuhan Lisai Technology Co ltd
Current assignee: Wuhan Lisai Technology Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-10
Anticipated expiration: 2029-10-12

Abstract

The embodiment of the utility model discloses a safety warning device for maintenance operation of a trench, which comprises a safety interlocking system, wherein the safety interlocking system comprises a safety interlocking device and a controller, the safety interlocking device is electrically connected with the controller, and the controller is arranged in one-to-one correspondence with the row positions on the trench; the detector is arranged at one end of the column position, is in one-to-one correspondence with the column position, is electrically connected with the controller corresponding to the column position, and is used for detecting, identifying, distinguishing and tracking a target object in the trench; the alarm assembly is arranged in a row position one-to-one correspondence mode, and is electrically connected with the controller corresponding to the row position, so that the effect of safety protection on the trench maintenance operators in a simple, intelligent and effective mode is achieved.

Description

Safety warning device for overhauling operation of trench

Technical Field

The embodiment of the utility model provides a relate to railway safety protection technique, especially relate to a trench maintenance operation safety warning device.

Background

The motor train unit application inspection warehouse is used as an important place for overhauling the motor train unit, the operation environment is complex, the motor train unit is high in warehousing-in and warehousing-out frequency, units and personnel involved in operation are numerous, operation personnel frequently cross track bridges, foreign matters in a trench and the like, and serious potential safety risks exist.

Current safety device sets up 4 led warning light areas through overhauing every track both sides, buries the lamp area in level crossing both sides setting, sends the signal of shunting through the safe interlocking system of warehouse entry and exit, realizes starting and the control that stops led warning light area.

Above-mentioned scheme can solve the problem of safety warning, but still has the weak point: the motor car in-out safety warning is that the warning is sent as long as the motor car is out of the garage or enters the garage no matter whether a person or an obstacle exists or not, is not intelligent enough, causes unnecessary resource waste to a certain extent, and is complex in processes of embedding lamp belts, wiring and the like in a track.

SUMMERY OF THE UTILITY MODEL

The utility model provides a trench maintenance operation safety warning device to simple, intelligent and effectual mode realizes the safety protection to trench maintenance operation personnel.

In a first aspect, the embodiment of the utility model provides a trench maintenance operation safety warning device, the device includes: the safety interlocking system comprises safety interlocking equipment and a controller, wherein the safety interlocking equipment is electrically connected with the controller, and the controller is arranged in one-to-one correspondence with the column positions on the trench;

the detector is arranged at one end of the column position, corresponds to the column position one by one, is electrically connected with the controller of the safety interlocking system corresponding to the column position, and is used for detecting, identifying, distinguishing and tracking a target object in the trench;

and the alarm components are arranged in one-to-one correspondence with the column positions and are electrically connected with the controllers of the safety interlocking systems corresponding to the column positions.

The utility model discloses a set up a detector on each row of position in the trench, be connected this detector with safety interlock system's controller electricity, a target object for survey, discernment, distinguish and trail in the trench, and set up alarm assembly on each row of position, alarm assembly is connected with the controller electricity, a warning signal is sent when the detector detects the target object, it is intelligent inadequately to solve current trench safety warning equipment, the equipment installation is complicated, the problem of wasting of resources, the realization is with simple, intelligence and effectual mode carry out safety protection's effect to trench maintenance operation personnel.

Drawings

Fig. 1 is a block diagram of a safety warning device for trench maintenance operation in a first embodiment of the present invention;

fig. 2 is a block diagram of a system of a safety warning device for trench maintenance operation in the second embodiment of the present invention;

fig. 3 is a block diagram of a safety warning device for trench maintenance operation in the third embodiment of the present invention;

fig. 4 is a schematic diagram of the arrangement of the power line and the signal line between the control cabinet and the controller in the third embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Example one

Fig. 1 is a structural block diagram of a safety warning device for maintenance work of a trench according to an embodiment of the present invention, referring to fig. 1, the device includes a safety interlock system 120, the safety interlock system 120 includes a safety interlock device 121 and a controller 122, the safety interlock device 121 is electrically connected to the controller 122, and the controller 122 is disposed in one-to-one correspondence with the positions on the trench;

the detector 110 is arranged at one end of the column position, is arranged in one-to-one correspondence with the column position, is electrically connected with the controller 122 of the safety interlock system 120 corresponding to the column position, and is used for detecting, identifying, distinguishing and tracking a target object in the trench;

and the alarm assemblies 130 are arranged in one-to-one correspondence with the column positions and are electrically connected with the controllers 122 of the safety interlock systems 120 corresponding to the column positions.

Illustratively, the probe 110 enters a standby state when a worker is in the pit for maintenance; when a motor car is ready to enter and exit the trench inspection warehouse, the safety interlock system 120 detects a motor car entering and exiting signal, the safety interlock device 121 sends the motor car entering and exiting signal to the controller 122, and the controller 122 sends a starting control command to the detector 110, so that the detector 110 enters a monitoring state. When the detector 110 detects that there is a person, a flaw detection vehicle, other objects and other obstacles in the preset detection range, the detector 110 outputs a switching value signal and sends the switching value signal to the controller 122, the controller 122 sends an alarm signal to the alarm assembly 130 after receiving the switching value signal, and the alarm assembly 130 starts an alarm to warn people, locomotives and the like to leave the trench operation area after receiving the alarm signal.

Optionally, the detector 110 is connected to the controller 122 via an RS485 bus.

The RS485 bus has the advantages of high transmission speed, good stability and strong anti-interference capability.

The technical scheme of this embodiment, through set up a detector on each position of being listed as in the trench, be connected this detector and safety interlock system's controller electricity, a target object for surveying, discernment, distinguish and trail in the trench, and set up alarm component on each position of being listed as, alarm component is connected with the controller electricity, a warning signal is sent when being used for the detector to detect the target object, current trench safety warning equipment is intelligent inadequately, the equipment is installed complicacy, the problem of wasting of resources, reached with simple, intelligent and effectual mode to trench overhaul operating personnel carry out safety protection's effect.

Example two

On the basis of the above-described embodiments, the present embodiment exemplarily explains a case when the probe signal transmission is a long-distance transmission. Fig. 2 is the utility model discloses trench maintenance operation safety warning device system architecture block diagram of embodiment two.

The safety warning device for the trench maintenance operation further comprises an optical fiber transceiver component 220, the controller 232 is connected with the detector 210 through the optical fiber transceiver component 220, the optical fiber transceiver component 220 comprises a first optical fiber transceiver 221 and a second optical fiber transceiver 222, the first optical fiber transceiver 221 is arranged on the side of the detector 210, and the second optical fiber transceiver 222 is arranged on the side of the controller 232.

In the technical solution of this embodiment, when the signal sent by the detector 210 needs to be transmitted over a long distance, in order to ensure the accuracy and stability of the signal during the long-distance transmission, the optical fiber transceiver module 220 may be disposed between the detector 210 and the controller 232. The optical fiber transceivers are used in pairs, a first optical fiber transceiver 221 is arranged on the side of the detector 210, a first end of the first optical fiber transceiver 221 is electrically connected with the detector 210, a second end of the first optical fiber transceiver 221 is electrically connected with a first end of a second optical fiber transceiver 222 and used for converting 485 switching value electric signals sent by the detector 210 into optical signals for remote transmission, a second optical fiber transceiver 222 is arranged on the side of the controller 232, and a second end of the second optical fiber transceiver 222 is electrically connected with the controller 232 and used for converting the optical signals transmitted by the first optical fiber transceiver 221 into electric signals and then transmitting the electric signals to the controller 232. The first optical fiber transceiver 221 may be a 1-optical-1 electro-optical fiber transceiver, and the second optical fiber transceiver 222 may be a 1-optical-1 electro-optical fiber transceiver or a 2-optical-2 electro-optical fiber transceiver.

EXAMPLE III

On the basis of the first embodiment, the transmission device and the power supply portion of the safety warning device are exemplarily described in this embodiment. Fig. 3 is the utility model provides a trench overhaul operation safety warning device system architecture block diagram of third, fig. 4 is the utility model provides a power cord between switch board and the controller in third and the setting schematic diagram of signal line.

The safety warning device for the trench maintenance operation further comprises a video monitoring device 350, wherein the video monitoring device 350 is electrically connected with the controller 312.

The video monitoring equipment monitors the operation site at the back stage of the safety management of the trench maintenance operation, and is beneficial to background management personnel to further define the target barrier.

In the technical solution of this embodiment, the controller 312 may be a P L C controller, the signal sent by the detector 320 is transmitted to the controller 312 through a 485 protocol, the controller 312 receives the signal sent by the detector 320 and then sends out an alarm signal to be output, generally, the output in the P L C controller is a low voltage signal, and the low voltage signal is converted into a high voltage signal and then sent to the alarm component 340, so that the alarm component 340 generates an alarm action.

Optionally, the safety warning device for the trench maintenance operation further includes a switching power supply 330, and the switching power supply 330 is connected to the detector 320 and the alarm component 340, and is configured to convert the commercial power into working voltages of the detector 320 and the alarm component 340, and supply power to the detector 320 and the alarm component 340.

Wherein, the power voltage of the trench maintenance job site is usually 220V or 380V, and the working voltage of the detector 320 or the alarm component 340 is usually low voltage, for example, 12V, so that the commercial power of the job site can be converted into the working voltage of the detector 320 and the alarm component 340 through the switching power supply 330 to supply power to the detector 320 and the alarm component 340.

Optionally, the safety interlock system 310 further comprises a control cabinet, the controller 312 is disposed in the control cabinet, and the control cabinet is disposed at an inlet end or an outlet end of the column;

referring to fig. 4, two galvanized steel pipes are concealed between the control cabinet and the detector 320, wherein one steel pipe is used for passing through a power line, and the other steel pipe is used for passing through a signal line.

Optionally, the detector 320 comprises an intelligent zonal remote laser perimeter warning radar.

The intelligent partitioned remote laser perimeter early warning radar can realize 1000-meter 150Hz high-frequency detection, can be randomly provided with three detection (warning) areas, does not interfere with each other, and can realize segmented detection. Illustratively, a warning distance (350m) of medium and short distances can be adopted according to field requirements, so that the cost can be reduced.

Optionally, the alarm assembly comprises at least one audible and visual alarm.

Wherein, can set up one or more audible-visual annunciators in every position of being listed as for improve the safety warning nature of trench maintenance operation scene.

Optionally, the detector 320 is disposed in a step leading from the track to the trench, and the alarm assembly 340 is disposed on a platform of the track.

Wherein the detector 320 is arranged inside the step leading from the thigh to the trench, which avoids unnecessary impact damage. In addition, the alarm assembly is arranged on the platform, so that the propagation of an alarm signal is facilitated.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a trench maintenance operation safety warning device which characterized in that includes:

the safety interlocking system comprises safety interlocking equipment and a controller, wherein the safety interlocking equipment is electrically connected with the controller, and the controller is arranged in one-to-one correspondence with the column positions on the trench;

and the alarm components are arranged in one-to-one correspondence with the column positions and are electrically connected with the controllers of the safety interlocking system corresponding to the column positions.

2. The safety warning device for overhauling operation of a trench as claimed in claim 1, wherein the detector is connected with the controller through an RS485 bus.

3. The safety warning device for overhauling operation of a trench as claimed in claim 1, further comprising an optical fiber transceiver component, wherein the controller and the detector are connected through the optical fiber transceiver component, the optical fiber transceiver component comprises a first optical fiber transceiver and a second optical fiber transceiver, the first optical fiber transceiver is arranged at the side of the detector, and the second optical fiber transceiver is arranged at the side of the controller.

4. The trench repair work safety warning device of claim 1, further comprising a video monitoring device electrically connected to the controller.

5. The safety warning device for the overhaul operation of the trench as claimed in claim 1, further comprising a switching power supply, wherein the switching power supply is respectively connected with the detector and the alarm component, and is used for converting commercial power into working voltage of the detector and the alarm component and supplying power to the detector and the alarm component.

6. The safety warning device for the overhauling operation of the trench as recited in claim 1, wherein the safety interlocking system further comprises a control cabinet, the controller is arranged in the control cabinet, and the control cabinet is arranged at the inlet end or the outlet end of the line position;

two galvanized steel pipes are secretly laid between the control cabinet and the detector, wherein one steel pipe is used for penetrating a power line, and the other steel pipe is used for penetrating a signal line.

7. The trench service operation safety warning device of claim 1, wherein the detector comprises an intelligent zonal remote laser perimeter warning radar.

8. A trench service operation safety warning device as claimed in claim 1, wherein the warning assembly comprises at least one audible and visual alarm.

9. The trench maintenance operation safety warning device of claim 1, wherein the detector is disposed in a step leading from a track to the trench, and the alarm assembly is disposed on a platform of the track.