CN212433414U - Track traffic foreign matter intrusion detection device based on multi-line three-dimensional laser radar - Google Patents
Track traffic foreign matter intrusion detection device based on multi-line three-dimensional laser radar Download PDFInfo
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- CN212433414U CN212433414U CN202020807445.1U CN202020807445U CN212433414U CN 212433414 U CN212433414 U CN 212433414U CN 202020807445 U CN202020807445 U CN 202020807445U CN 212433414 U CN212433414 U CN 212433414U
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Abstract
The utility model discloses a limit detection device is invaded to track traffic foreign matter based on multi-thread three-dimensional laser radar relates to track traffic safety protection technical field, has solved current two dimension, three-dimensional laser radar and has invaded limit foreign matter detection device and still have the longer problem of traffic invasion foreign matter detection time to improved and invaded limit foreign matter attribute discrimination ability, its technical essential includes: the identification device for identifying the track foreign matter and the supporting device for installing the identification device are arranged on the inner side, the outer side or the upper side of the track; the identification device comprises a high-definition video acquisition device and a multi-line three-dimensional laser radar acquisition device, the high-definition video acquisition device and the multi-line three-dimensional laser radar acquisition device are installed in a matched mode on the supporting device for monitoring the track foreign matter invasion limit, the multi-line three-dimensional laser radar acquisition device has the advantages that the multiple tracks can be identified, the monitoring efficiency is improved, the high-definition video acquisition device is arranged for monitoring the tracks at the edge, and the track foreign matter invasion limit is accurately identified.
Description
Technical Field
The utility model relates to a track traffic safety protection technical field, concretely relates to limit detection device is invaded to track traffic foreign matter based on multi-line three-dimensional laser radar.
Background
Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. Rail transit, such as ordinary railway, high-speed railway, light rail, subway, etc., plays an important role in the transportation field. In a rail transit system, the necessary way for guaranteeing the safety of rail transit is to inspect railway lines and analyze whether foreign body invasion behaviors occur on the rails.
At present, a two-dimensional laser radar is introduced into the field of rail transit safety protection, and a certain effect is achieved. However, in the prior art, the rail transit limit-invading foreign matter detection device based on the two-dimensional laser radar has more false alarm and missed alarm problems in practical use and is gradually replaced by a three-dimensional laser radar product. In a part of foreign matter intrusion detection systems, three-dimensional laser radar products successfully replace two-dimensional laser radar related products, the missing report of the system is effectively reduced, and the environmental adaptability is improved. However, the existing two-dimensional and three-dimensional laser radar limit-invading foreign matter detection device has the defects that limit-invading foreign matter three-dimensional information cannot be obtained (two-dimensional laser radar) or the time for obtaining the limit-invading foreign matter three-dimensional information is long (servo control three-dimensional laser radar), and less three-dimensional information is obtained at the same time. Especially, through the mode of laser radar with servo motor rotation control information collection, when being used in many track regions of monitoring, whole scanning time can be longer, invades limit foreign matter and detects the time and also can increase several times, has increased the risk of railway safety operation to a certain extent. Monitoring devices only rely on three-dimensional laser radar, appear easily to invading limit foreign matter and judge the mistake to and drive two-dimensional laser radar and three-dimensional laser radar through rotating parts and take place the wire rod easily and connect the damage under long-term rotation, servo motor also has the not enough problem of adaptability in the region of different temperatures, leads to whole device maintenance cost higher.
Therefore, in order to reduce the detection time of the rail transit invading foreign matter, improve the rail transit driving safety and improve the distinguishing capability of the attribute of the invasion limit foreign matter, the rail transit foreign matter invasion limit detection device based on the multi-line three-dimensional laser radar is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem how reduce track traffic invasion foreign matter detection time, improve track traffic driving safety, improve and invade limit foreign matter attribute discrimination ability, the utility model aims to provide a track traffic foreign matter invades limit detection device based on multi-line three-dimensional laser radar, solved current two dimension, three-dimensional laser radar monitors time measuring process to many railway lines simultaneously, not as near track to the track identification precision far away from laser radar, and current three-dimensional laser radar monitoring area is limited, drives three-dimensional laser radar through servo motor and rotating part and adds the transduction soon and send whole a plurality of track scanning time overlengths, and rotating part has the maintenance problem after long-term the use, and is with high costs.
The utility model discloses a following technical scheme realizes:
the utility model provides a limit detection device is invaded to track traffic foreign matter based on multi-thread three-dimensional laser radar, is including the recognition device of discernment track foreign matter and installing recognition device's strutting arrangement, strutting arrangement sets up in the track inboard, outside or top, recognition device includes high definition video collection system and multi-thread three-dimensional laser radar collection system, high definition video collection system with multi-thread three-dimensional laser radar collection system cooperation install in strutting arrangement monitors the track foreign matter and invades the limit.
By adopting the scheme, the recognition device is also provided with the high-definition video collection device besides the multi-line three-dimensional laser radar collection device, compared with the three-dimensional laser radar collection device, the multi-line three-dimensional laser radar collection device has the advantages that the multi-line three-dimensional laser radar collection device can recognize a plurality of tracks, but the three-dimensional laser radar collection device and the multi-line three-dimensional laser radar collection device have poorer capability of recognizing the invasion limit of foreign matters of remote tracks, the high-definition video collection device is additionally arranged to be matched with the three-dimensional laser radar collection device for use, the accurate judgment of the foreign matter attribute of remote tracks can be realized, when the number of tracks is more, the supporting device can be arranged at the two sides of the tracks, the recognition directions of the two-side recognition devices can be adjusted to adjust the recognition range, the accurate judgment of the invasion limit of the foreign matters of the plurality of tracks can, and the later maintenance is convenient.
Further, strutting arrangement includes ground cage and mounting bracket, the ground cage is buried in ground, the part that ground cage spills ground and mounting bracket fixed connection.
Adopt above-mentioned scheme, ground cage partly buries underground in the below ground, has guaranteed the safety and the stability of equipment, spills the ground part at ground cage and predetermines the installation screw, and after mounting bracket and ground cage fixed connection, the device is more firm.
Furthermore, a constant temperature device for regulating and controlling the temperature of the device is arranged in the multi-line three-dimensional laser radar collecting device.
By adopting the scheme, the tracks are distributed in different areas, normal operation of the multi-line three-dimensional laser radar acquisition device can be influenced due to overhigh temperature or overlow temperature in different environments, and the multi-line three-dimensional laser radar acquisition device can also realize track monitoring in extreme environments by arranging the constant temperature device in the multi-line three-dimensional laser radar acquisition device.
Further, the mounting frame comprises a mounting bar or a gantry.
By adopting the scheme, the mounting frames at different track positions can be the mounting rods and the portal frame, when the track is positioned in the tunnel, the bridge and other areas, the mounting frames are the mounting rods due to the fact that the mounting areas are limited, and when railway lines are bent greatly or railway electric rods are more, the non-blind area monitoring is achieved for avoiding the electric rods to shield, and the mounting frames are the portal frame.
Further, the height adjustable range of the mounting rod is 0-8 m.
By adopting the scheme, the installation rods are correspondingly installed to different heights to detect the track according to the local field environment corresponding to different position areas of the rail.
Further, the foreign matter intrusion monitoring range can cover a single-track railway, a multi-track railway or a multi-track railway.
By adopting the scheme, the number of the monitoring tracks of the multi-line three-dimensional laser radar acquisition device is realized by the monitoring range of the multi-line three-dimensional laser radar acquisition device and the improvement of the detection precision.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a track traffic foreign matter infringes limit detection device based on multi-thread three-dimensional laser radar, multi-thread three-dimensional laser radar collection system contrast three-dimensional laser radar recognition device advantage lies in, can gather the three-dimensional information that many railway lines infringe the limit foreign matter simultaneously, monitor many tracks through setting up multi-thread three-dimensional laser radar collection system of high definition video collection system cooperation, realize the more accurate discernment of track infringement limit foreign matter, can adopt simple mode fixed connection such as screw mounting to the installation of multi-thread three-dimensional laser radar collection system and high definition video collection system, contrast through rotating the piece drive two dimension, three-dimensional laser radar recognition device discernment, the device has simple structural design, high low temperature adaptability is strong, later maintenance is easy, cost characteristics such as lower;
2. the utility model relates to a track traffic foreign matter infringement limit detection device based on multi-line three-dimensional laser radar, can be installation pole and portal frame to different track position mounting brackets, when the track is located region such as tunnel, bridge, because the installation region is limited, the mounting bracket is the installation pole; when the railway line is bent greatly or the railway electric poles are more, in order to avoid the shielding of the electric poles and realize non-blind area monitoring, the mounting frame can be a portal frame;
3. the utility model relates to a limit detection device is invaded to rail transit foreign matter based on multi-thread three-dimensional laser radar, because rail distribution is in the region of difference, can influence multi-thread three-dimensional laser radar collection system's normal operating because too high temperature or low temperature are crossed to the environment of difference, can make multi-thread three-dimensional laser radar collection system also can realize the monitoring to the track in extreme environment through set up constant temperature equipment in multi-thread three-dimensional laser radar collection system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a first schematic structural view of the present invention;
FIG. 3 is a second schematic structural view of the present invention;
FIG. 4 is a third schematic structural diagram of the present invention;
fig. 5 is a schematic view of embodiment 1 of the present invention;
fig. 6 is a schematic view of embodiment 2 of the present invention;
fig. 7 is a schematic view of embodiment 3 of the present invention;
fig. 8 is a schematic view of the single track monitoring system of the present invention.
Reference numbers and corresponding part names:
the method comprises the following steps of 1-track, 2-identification device, 21-high definition video acquisition device, 22-multi-line three-dimensional laser radar acquisition device, 3-supporting device, 31-ground cage, 32-mounting rod, 33-portal frame and 4-ground.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 2 and 5, a track traffic foreign matter intrusion detection device based on multi-line three-dimensional laser radar comprises a recognition device 2 for recognizing foreign matters in a track 1 and a supporting device 3 for installing the recognition device 2, wherein the supporting device 3 is arranged on one side of the track 1, the supporting device 3 comprises a ground cage 31 and an installation rod 32, the ground cage 31 is partially buried below the ground 4, the ground cage 31 is not limited to be composed of reinforced concrete, the filling depth and width of the ground cage 31 are determined according to geological conditions of an installation site, the body of the ground cage 31 has a certain height, and the ground cage 31 is fixedly connected with the installation rod 32 when leaking out of the ground 4. Recognition device 2 includes high definition video collection device 21 and multi-thread three-dimensional laser radar collection device 22, high definition video collection device 21 and multi-thread three-dimensional laser radar collection device 22 fixed mounting are in installation pole 32 towards track 1 one side for the limit is invaded to the monitoring track 1 foreign matter, be equipped with the constant temperature equipment of regulation and control device temperature in the multi-thread three-dimensional laser radar collection device 22 and be used for adapting to high low temperature environment, the height-adjustable scope of installation pole 32 is 0 ~ 8m, the height of installation pole 32, thickness and wall thickness are according to the installation environment design at scene.
Example 2
As shown in fig. 3 and 6, a track traffic foreign matter intrusion detection device based on multi-line three-dimensional laser radar comprises a recognition device 2 for recognizing foreign matters in a track 1 and a supporting device 3 for installing the recognition device 2, wherein the supporting device 3 is arranged on two sides of the track 1, the supporting device 3 comprises a ground cage 31 and an installation rod 32, the ground cage 31 is partially buried below the ground 4, the ground cage 31 is not limited to be composed of reinforced concrete, the filling depth and width of the ground cage 31 are determined according to geological conditions of an installation site, the body of the ground cage 31 has a certain height, and the ground cage 31 is fixedly connected with the installation rod 32 when leaking out of the ground 4. Recognition device 2 includes high definition video collection device 21 and multi-thread three-dimensional laser radar collection device 22, two sets of high definition video collection device 21 correspond respectively with multi-thread three-dimensional laser radar collection device 22 and install and monitor track 1 foreign object and invade the limit on the installation pole 32 of track 1 both sides, the constant temperature equipment who is equipped with regulation and control device temperature in the multi-thread three-dimensional laser radar collection device 22 is used for adapting to high low temperature environment, the height-adjustable scope of installation pole 32 is 0 ~ 8m, the height of installation pole 32, thickness and wall thickness are according to the installation environmental design on-the-spot.
Example 3
As shown in fig. 4 and 7, a track traffic foreign matter intrusion detection device based on a multi-line three-dimensional laser radar comprises an identification device 2 for identifying foreign matters in a track 1 and a supporting device 3 for installing the identification device 2, wherein the supporting device 3 is arranged on two sides of the track 1, the supporting device 3 comprises a ground cage 31 and a portal frame 33, the ground cage 31 is partially buried below the ground 4, the ground cage 31 is not limited to be composed of reinforced concrete, the filling depth and width of the ground cage 31 are determined according to geological conditions of an installation site, the body of the ground cage 31 has a certain height, and the ground 4 leaking part of the ground cage 31 is fixedly connected with the portal frame 33. Recognition device 2 includes high definition video collection device 21 and multi-thread three-dimensional laser radar collection device 22, and high definition video collection device 21 and the cooperation of multi-thread three-dimensional laser radar collection device 22 are installed in portal frame 33, and portal frame 33 spans in monitoring track foreign object and invade the limit by monitoring rail both sides, and the intermediate part can directly link both sides portal frame 33, also can be independent separately according to the monitoring demand. The constant temperature device for regulating and controlling the temperature of the device is arranged in the multi-line three-dimensional laser radar acquisition device 22 and is used for adapting to high and low temperature environments, and the height of the portal frame 33, the thickness of the frame body and the wall thickness of the support are designed according to the field installation environment.
Working process of the embodiment 1: when the track 1 is in an environment such as a bridge or a tunnel, and the number of the tracks 1 is small (including one or two tracks 1), the mounting rack is a mounting rod 32 disposed on one side of the track 1. The remote system control unit sends out an instruction, the recognition device 2 faces one side of the track 1, the multi-line three-dimensional laser radar acquisition devices 22 fixedly installed on the installation rod 32 and the high-definition video acquisition devices 21 are started, the multi-line three-dimensional laser radar acquisition devices 22 scan the track 1 and collect information, and the high-definition video acquisition devices 21 acquire the information of the track 1 which is far away from the installation rod 32 so as to accurately judge the attribute of the foreign matter.
Working process of the embodiment 2: when the track 1 is more (including four tracks 1), the mounting rack is a mounting rod 32 arranged on two sides of the track 1. The remote system control unit sends out an instruction, the identification device 2 for monitoring the foreign matters in the track 1 is fixedly installed on the installation rods 32 on the two sides of the track 1, the identification device 2 comprises a multi-line three-dimensional laser radar acquisition device 22 and a high-definition video acquisition device 21, the multi-line three-dimensional laser radar acquisition device 22 on the two sides scans the track 1 and collects information, the high-definition video acquisition device 21 on the two sides collects the information of the track 1 which is far away from the installation rods 32, and the attribute of the foreign matters is accurately judged.
Working process of this example 3: when the number of the railway electric poles is large, in order to realize non-blind area monitoring, the mounting frame is a portal frame 33 arranged above the track 1. Remote system control unit sends out the instruction, portal frame 33 fixed mounting that is located track 1 top has recognition device 2 of monitoring track 1 foreign matter, recognition device 2 includes multi-thread three-dimensional laser radar collection device 22 and high definition video collection device 21, according to track 1 figure quantity, be equipped with corresponding quantity on portal frame 33 and towards track 1's multi-thread three-dimensional laser radar collection device 22 and high definition video collection device 21, multi-thread three-dimensional laser radar collection device 22 scans and collects information track 1, high definition video collection device 21 gathers and installs the pole 32 part track 1 information far away, come the accurate attribute of judging the foreign matter.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The rail transit foreign matter intrusion detection device based on the multi-line three-dimensional laser radar is characterized by comprising a recognition device (2) for recognizing rail foreign matters and a supporting device (3) provided with the recognition device (2), wherein the supporting device (3) is arranged on the inner side, the outer side or the upper side of a rail (1); the identification device (2) comprises a high-definition video acquisition device (21) and a multi-line three-dimensional laser radar acquisition device (22), wherein the high-definition video acquisition device (21) and the multi-line three-dimensional laser radar acquisition device (22) are installed on the supporting device (3) in a matched mode to monitor the track foreign matter invasion limit.
2. The rail transit foreign matter intrusion detection device based on the multiline three-dimensional laser radar is characterized in that the supporting device (3) comprises a ground cage (31) and a mounting frame, the ground cage (31) is buried in the ground (4), and the part, leaking out of the ground (4), of the ground cage (31) is fixedly connected with the mounting frame.
3. The device for detecting the intrusion of foreign objects in rail transit based on the multi-line three-dimensional laser radar as claimed in claim 1, wherein a thermostat for regulating and controlling the temperature of the device is arranged in the multi-line three-dimensional laser radar collecting device (22).
4. The device for detecting the intrusion of foreign objects in rail transit based on the multi-line three-dimensional laser radar as claimed in claim 2, wherein the mounting frame comprises a mounting rod (32) or a portal frame (33).
5. The device for detecting the intrusion of foreign objects in rail transit based on the multi-line three-dimensional laser radar as claimed in claim 4, wherein the height adjustable range of the mounting rod (32) is 0-8 m.
6. The track traffic foreign body intrusion detection device based on the multiline three-dimensional laser radar as claimed in any one of claims 1 to 5, wherein a foreign body intrusion monitoring range of the multiline three-dimensional laser radar acquisition device (22) can cover a single-track railway, a multi-track railway or a multiline railway.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807445.1U CN212433414U (en) | 2020-05-14 | 2020-05-14 | Track traffic foreign matter intrusion detection device based on multi-line three-dimensional laser radar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020807445.1U CN212433414U (en) | 2020-05-14 | 2020-05-14 | Track traffic foreign matter intrusion detection device based on multi-line three-dimensional laser radar |
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| CN212433414U true CN212433414U (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398990A (en) * | 2020-05-14 | 2020-07-10 | 四川润英达电子科技有限公司 | Track foreign matter intrusion detection device, system and method based on multi-line three-dimensional radar |
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2020
- 2020-05-14 CN CN202020807445.1U patent/CN212433414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398990A (en) * | 2020-05-14 | 2020-07-10 | 四川润英达电子科技有限公司 | Track foreign matter intrusion detection device, system and method based on multi-line three-dimensional radar |
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