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Foreign body intrusion signal acquisition device

A technology of foreign matter intrusion and signal collection, applied to instruments, alarms, etc., can solve problems such as high elongation, high cable toughness, frequent maintenance, etc.

Active Publication Date: 2010-07-28
BEIJING CENTURY REAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure better outdoor environment adaptability and electromagnetic compatibility, the cables laid in this way usually use multi-layer shielded outdoor cables. The situation of being broken, causing a major safety hazard
In addition, because the cable is used outdoors for a long time without any protective measures, it is prone to aging after a long time, which will cause small foreign objects to break the cable and cause false alarms.
The current solution has a high failure rate and requires frequent maintenance, which increases the maintenance workload of the disaster prevention system
In addition, due to the high toughness and high elongation of the cable, it is impossible for a large and light object to break the power grid cable, so it is temporarily impossible to detect the intrusion of large and light objects

Method used

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  • Foreign body intrusion signal acquisition device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 2 The foreign object intrusion signal collection device shown includes: a cable 1, a foreign object induction network 4 and several wire cutting devices 5, the cable 1 is used to connect the foreign object intrusion monitoring system room 3, and provides control signals, and the foreign object induction network 4 is used for The plurality of wire cutting devices 5 are used to cut off the cable 1 in response to the impact force generated by the intrusion of foreign matter.

[0038] Such as image 3 , Figure 4 As shown, the thread cutting device 5 includes a sheath 9 and a core 10, and on the side wall of the sheath 9 there is a cable hole 7 passing through the shaft. The core 10 is partially inserted into the sheath 9, and the core 10 is coaxially matched with the sheath 9. There are also two parallel perforations passing through the axis on the side wall of the core 10, which are respectively the cable-through hole 7 and the foreign body induction net...

Embodiment 2

[0042] Such as Figure 5 , Figure 6 The difference between the present embodiment and the first embodiment of the shown thread cutting device of the foreign matter intrusion signal acquisition device is that a stop pin 2 is added to the thread cutting device 5, and there are pins on the side walls of the sheath 9 and the core 10. A blocking pin hole 8 parallel to the cable passing hole 7 and the foreign matter sensing net fixing hole 6, the blocking pin 2 is inserted into the blocking pin hole 8 of the sheath 9 and the core 10, increasing the tangent The device 5 cuts off the resistance of the cable 1 . Adding the stopper pin 2 can prevent the wire cutting device 5 from cutting the cable 1 due to foreign matter with a small weight falling on the foreign matter sensing net 4 and causing an alarm. The solution of this embodiment can avoid false alarms and reduce unnecessary maintenance workload. If you want to collect the problem of heavy foreign matter intrusion, you can ch...

Embodiment 3

[0044] Such as Figure 7 The difference between the present embodiment and the second embodiment of the shown foreign object intrusion signal acquisition device is that there are at least two cables 1, and each cable 1 is connected to a different area of ​​the foreign object induction network 4, and each cable 1 Separately connected to the computer room 3 of the foreign object intrusion monitoring system to provide control signals.

[0045] Such as Figure 7 As shown, there are 4 cables to respectively provide control signals to the computer room 3 of the foreign object intrusion monitoring system. The non-adjacent cables are cut off at the same time, and the computer room 3 of the foreign object intrusion monitoring system can judge that large and light objects have intruded. In this way, the problem of intrusion signal collection of large and light objects such as gasoline barrels can be well solved.

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Abstract

The invention discloses a foreign body intrusion signal acquisition device, comprising cables (1), a foreign body inductive mesh (4) and a plurality of wire cutting devices (5), wherein the wire cutting devices are provided with cable penetrating holes (7) and foreign body inductive mesh fixing holes (6); the cables (1) penetrate through the cable penetrating holes (7) of the wire cutting devices (5) and are connected with a foreign body intrusion monitoring system machine room (3); the foreign body inductive mesh (4) is tensioned and connected with the wire cutting devices (5) through the foreign body inductive mesh fixing holes (6) for inducting the impact force in case of foreign body intrusion and driving the wire cutting devices (5) to cut off the cables (1), thereby transmitting the control signal to the foreign body intrusion monitoring system machine room (3). The foreign body intrusion signal acquisition device can timely and accurately detect the intrusion of the foreign bodies, transmits the control signal to the foreign body intrusion monitoring system machine room and ensures the driving safety of the high-speed railway or expressway. When a plurality of cables are arranged at different areas of the foreign body inductive mesh, the large-sized foreign bodies can be accurately detected out.

Description

technical field [0001] The invention relates to a foreign matter intrusion signal acquisition device applied to high-speed railways or expressways. Background technique [0002] Disaster protection for high-speed railways is a new problem encountered in my country's railway construction. According to the needs of engineering construction, the types of disasters that may cause railway disasters are usually analyzed and feasible protective measures are taken. Among them, foreign matter invasion has become a major disaster at road bridges crossing railways, railway tunnel entrances, rockfall sections in mountainous areas, and parallel sections of highways and railways. In view of the occurrence of disasters, it is necessary to call the police in time, and control or stop the traffic on the line in time to ensure driving safety. [0003] At present, it is used in the detection and protection of foreign matter intrusion in places such as high-speed railways at home and abroad. ...

Claims

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Application Information

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IPC IPC(8): G08B21/00
Inventor 李丰刘鹍张利鹏田锋
Owner BEIJING CENTURY REAL TECH CO LTD
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