CN212637505U

CN212637505U - Train approach detector

Info

Publication number: CN212637505U
Application number: CN202021289954.6U
Authority: CN
Inventors: 姚晓东; 谢军定
Original assignee: Lanzhou Shengrui Technology Co ltd
Current assignee: Lanzhou Shengrui Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-02
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to the technical field of train operation safety on a track, in particular to a train approach detector, aiming at overcoming the defects of the prior art and providing a train approach detector; it includes adjacent line rail 1 and construction line rail 2, its characterized in that: the proximity line rail 1 is detachably provided with a proximity detector 4, a host 5 is installed on a construction site of the construction line rail 2, and the host 5 and the proximity detector 4 are in wireless communication through LoRa; a plurality of portable repeaters 6 are arranged between the proximity detector 4 and a construction site of the construction line rail 2, and the portable repeaters 6 are in wireless communication with the proximity detector 4 and the host 5 through LoRa; the beneficial effects are that: the distance between the train proximity detector and the construction site is too long, and when the train proximity detector is in a mountain area or a tunnel area, a portable repeater can be arranged between the proximity detector and the construction site, so that reliable communication of a wireless link is ensured.

Description

Train approach detector

Technical Field

The utility model relates to a train operation safety technical field specifically is a train proximity detector on the track.

Background

In order to ensure the safe operation of the train, the railway and supporting facilities need to be maintained, and in order to improve the operation efficiency, the construction needs to be carried out during the operation of the train. Therefore, when the departments such as capital construction, engineering, electric service, power supply, large-scale aircraft and the like work on the line in practical use, the travelling crane and personnel need to be protected. Therefore, the train approaching detector is needed to remind the relevant personnel of the approaching condition of the train, thereby preventing the train from colliding constructors to cause personal casualty accidents; the driving safety accidents caused by the collision of the train with construction and maintenance machines are prevented; prevent people and vehicles from being injured and stopped accidents caused by illegal railway crossing of urban and rural residents due to various reasons.

In the prior art, adopt technical means such as loRa spread spectrum wireless communication technique, supersound sensing and earth induction technique, set up the train at the distal end and be close the detector, if there is the train to send the message that the train is close for construction operation monitoring host computer through the detector, inform railway line construction operation personnel to make safety protection work. However, since the LoRa transmission distance is 5-8km, the monitoring host will not receive a message when the train proximity detector is too far away from the construction site in a mountain area or a tunnel area.

In view of the above-mentioned deficiencies in the prior art, a train approach detector is urgently needed to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a safe and reliable, simple to operate, work efficiency height, low cost's wind power tower cylinder outer wall maintenance is with collapsible manned platform.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a train proximity detector comprising a proximity line rail 1 and a firing line rail 2, wherein: the proximity line rail 1 is detachably provided with a proximity detector 4, a host 5 is installed on a construction site of the construction line rail 2, and the host 5 and the proximity detector 4 are in wireless communication through LoRa; install a plurality of portable repeaters 6 between the job site of proximity detector 4 and construction line rail 2, pass through LoRa wireless communication between portable repeater 6 and proximity detector 4 and the host computer 5.

The proximity detector 4 comprises a central control board 401, wherein a rechargeable battery 402, an ultrasonic probe 403 and a 433M wireless module 404 are electrically connected to the central control board 401; the rechargeable battery 402 is used for supplying power to the central control board 401 and the ultrasonic probes 403 and 433M wireless modules 404 connected with the central control board 401; the ultrasonic probe 403 is used for detecting whether a train approaches and transmitting a detected approach signal to the central control board 401, the central control board 401 transmits the detected approach signal of the ultrasonic probe 403 to the host 5 through the 433M wireless module 404, and the host controls the audible and visual alarm 501 mounted on the host 5 to alarm after receiving the detected approach signal of the ultrasonic probe 403.

The proximity detector 4 is arranged on the rail web of the adjacent line rail 1 through a strong magnetic base 3; the powerful magnetic base 3 is provided with a magnetic switch 301.

And the protection positions of the upper end and the lower end of the adjacent line rail 1 are respectively provided with an approaching detector 4.

The portable repeater 6 is used to ensure reliable communication between the proximity detector 4 and the host 5; the portable repeaters 6 are arranged in mountainous areas or tunnels at intervals of 500 meters; there is no need to configure the portable repeater 6 in an open area.

The beneficial effects of the utility model reside in that: the distance between the train proximity detector and the construction site is too long, and when the train proximity detector is in a mountain area or a tunnel area, a portable repeater can be arranged between the proximity detector and the construction site, so that reliable communication of a wireless link is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the arrangement of the present invention;

FIG. 3 is a block diagram of the principle structure of the present invention;

shown in the figure: the system comprises a proximity line rail 1, a construction line rail 2, a powerful magnetic base 3, a proximity detector 4, a host 5, a portable repeater 6, a magnetic switch 301, a center control board 401, a rechargeable battery 402, ultrasonic probes 403 and 433M wireless modules 404.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

When the distance between the train proximity detector and the construction site is too long and the train proximity detector is in a mountain area or a tunnel area, a portable repeater can be arranged between the proximity detector and the construction site, so that reliable communication of a wireless link is ensured.

The utility model discloses a working process does: the ultrasonic probe 403 is used for detecting whether a train approaches, when the ultrasonic probe 403 detects an approach signal of the train, the detected approach signal is transmitted to the central control board 401, the central control board 401 transmits the detected approach signal of the ultrasonic probe 403 to the host 5 through the 433M wireless module 404, and after the host receives the detected approach signal of the ultrasonic probe 403, the audible and visual alarm 501 mounted on the host 5 is controlled to alarm.

When the distance between the train proximity detector and a construction site is too long and the train proximity detector is in a mountain area or a tunnel area, a portable repeater can be arranged between the proximity detector and the construction site to ensure the reliable communication of a wireless link, and 1 repeater is arranged in the mountain area or the tunnel at an interval of 500 meters without configuration in an open area.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A train proximity detector comprising a proximity line rail (1) and a firing line rail (2), characterized in that: the proximity line rail (1) is detachably provided with a proximity detector (4), a host (5) is installed on a construction site of the construction line rail (2), and the host (5) and the proximity detector (4) are in wireless communication through LoRa; install a plurality of portable repeaters (6) between the job site of proximity detector (4) and construction line rail (2), pass through loRa wireless communication between portable repeater (6) and proximity detector (4) and host computer (5).

2. A train proximity detector as claimed in claim 1, wherein: the proximity detector (4) comprises a central control board (401), wherein a rechargeable battery (402), an ultrasonic probe (403) and a 433M wireless module (404) are electrically connected to the central control board (401); the rechargeable battery (402) is used for supplying power to the central control board (401) and the ultrasonic probe (403) and the 433M wireless module (404) which are connected with the central control board (401); ultrasonic probe (403) are used for surveying whether the train is close to give central control board (401) with the proximity signal transmission who surveys, central control board (401) send the proximity signal of the detection of ultrasonic probe (403) for host computer (5) through 433M wireless module (404), host computer (5) receive the proximity signal of the detection of ultrasonic probe (403) after, audible-visual annunciator (501) of installation on control host computer (5) report to the police.

3. A train proximity detector as claimed in claim 1, wherein: the proximity detector (4) is arranged on the rail web of the adjacent line rail (1) through a strong magnetic force seat (3); the strong magnetic base (3) is provided with a magnetic switch (301).

4. A train proximity detector as claimed in claim 1, wherein: and the protection positions of the two ends of the upper and lower rows of the adjacent line rail (1) are respectively provided with an approaching detector (4).

5. A train proximity detector as claimed in claim 1, wherein: the portable repeater (6) is used for ensuring reliable communication between the proximity detector (4) and the host (5); the portable repeaters (6) are arranged one by one in a mountain area or a tunnel at intervals of 500 meters; there is no need to configure the portable repeater (6) in an open area.