CN101789159B - Foreign body intrusion signal acquisition device - Google Patents
Foreign body intrusion signal acquisition device Download PDFInfo
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- CN101789159B CN101789159B CN2010100341328A CN201010034132A CN101789159B CN 101789159 B CN101789159 B CN 101789159B CN 2010100341328 A CN2010100341328 A CN 2010100341328A CN 201010034132 A CN201010034132 A CN 201010034132A CN 101789159 B CN101789159 B CN 101789159B
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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
The present invention relates to a kind of foreign body intrusion signal acquisition device that is applied to high-speed railway or highway.
Background technology
The disaster prevention of high-speed railway is the new problem that runs in the railway construction in China, according to the needs of engineering construction, usually the kind that may cause the railway disaster is analyzed, and is taked feasible safeguard procedures.Wherein at highway spanning railway place, the parallel location of railway tunnel mouth, falling rocks location, mountain area, road and rail, foreign body intrusion becomes a kind of major casualty.Need in time to report to the police at the disaster that occurs, in time to this circuit car controlling or stoppage in transit, guarantee driving safety.
Detection when being used at present place such as high-speed railway both at home and abroad foreign matter being invaded and protection mainly take load-bearing protection network 11 to add the mode of electrical network (electrical network is the conductive cable of laying 1) on protection network as shown in Figure 1.When the foreign matter intrusion takes place when, pound the cable of outage net, destroy electrical network and protection network, system sends alerting signal and arrives Surveillance center.The cable that this kind mode is laid is in order to guarantee outdoor environment conformability and Electro Magnetic Compatibility preferably, usually adopt the multilayer screen outside cable, this kind cable toughness is big, the length growth rate height, tend to occur foreign matter is caught and cable is not pounded disconnected situation, cause major safety risks.Because cable uses for a long time out of doors, without any safeguard procedures, easy generation of long duration is aging, thereby causes the less foreign matter of weight also can pound the outage cable, causes false alarm in addition.Current scheme failure rate height needs frequent maintenance, has increased the upkeep operation amount of disaster prevention system.In addition, because the toughness of cable is big, length growth rate height, the object that volume is big and light may not pounded outage net cable, so at the intrusion of the big and light object of volume, temporarily can't accomplish detection effect.
Summary of the invention
The problem to be solved in the present invention provides a kind of foreign body intrusion signal acquisition device.It can not be subjected to the influence of surrounding environment, can detect the intrusion of foreign matter timely and accurately, and control signal is delivered to foreign matter intrusion monitoring system machine room, guarantees the traffic safety of high-speed railway or highway.Even can accurately detect the big and light foreign matter of volume.
To achieve these goals, the present invention has adopted following technical scheme: a kind of foreign body intrusion signal acquisition device comprises:
Cable is used to connect foreign matter intrusion monitoring system machine room, and control signal is provided;
Foreign body sensation should net, is used to respond to foreign matter and invades the impulsive force that produces;
Several thread cutters are used to cut off described cable;
Described thread cutter comprises sheath, core, and the cable aperture of wearing in an axle center of passing described sheath is arranged on the sidewall of described sheath;
Described core segment inserts in the described sheath, with described sheath coaxial cooperation, two parallel perforation of passing the axle center of described core is arranged also on the sidewall of described core, is respectively that the described cable aperture, foreign body sensation worn should the net fixed orifice;
Described cable passes the described cable aperture of wearing of several described thread cutters, and is connected to foreign matter intrusion monitoring system machine room;
Described foreign body sensation should be netted tension, should be connected with several described thread cutters by the net fixed orifice by described foreign body sensation.
As preferably, described thread cutter also comprises a backing pin, on the sidewall of described sheath and described core, have one with described wear cable aperture and foreign body sensation should the net fixed orifice parallel wear the backing pin hole, described backing pin inserts wearing in the backing pin hole of described sheath and described core, increases the resistance that described thread cutter cuts off described cable.
As preferably, the material that described foreign body sensation should be netted is selected metal alloy.
As preferably, described foreign body sensation should net can be any one of regular figure, irregular figure.
As preferably, described cable has two at least, and every cable should the net zones of different be connected with described foreign body sensation, and described every cable connects foreign matter intrusion monitoring system machine room separately, and control signal is provided.
Compared with prior art, beneficial effect of the present invention is:
1, toughness is big, the cable that length growth rate is high is independent, the foreign body sensation that adopts metal alloy compositions to pull into should bear the foreign matter impact by net, foreign body sensation should be netted the connection thread cutter, cut off cable by thread cutter, thereby the intrusion that detects foreign matter promptly and accurately is delivered to foreign matter intrusion monitoring system machine room with control signal, guarantees the traffic safety of high-speed railway or highway.
2, thread cutter of the present invention is provided with a backing pin and backing pin hole, can control the minimum weight of monitoring foreign matter.
3, cable of the present invention has two at least, and every cable should the net zones of different be connected with foreign body sensation, and every cable connects foreign matter intrusion monitoring system machine room separately, provides control signal to connect, can the big and light foreign matter of detection volume.
Description of drawings
Fig. 1 is the structural representation of existing foreign body intrusion signal acquisition device.
Fig. 2 is the structural representation of a kind of foreign body intrusion signal acquisition device embodiment one of the present invention.
Fig. 3 is the structural representation of the thread cutter of a kind of foreign body intrusion signal acquisition device embodiment one of the present invention.
Fig. 4 is the assembling synoptic diagram of the thread cutter of a kind of foreign body intrusion signal acquisition device embodiment one of the present invention.
Fig. 5 is the thread cutter structural representation of a kind of foreign body intrusion signal acquisition device embodiment two of the present invention.
Fig. 6 is the thread cutter assembling synoptic diagram of a kind of foreign body intrusion signal acquisition device embodiment two of the present invention.
Fig. 7 is the structural representation of a kind of foreign body intrusion signal acquisition device embodiment three of the present invention.
Description of symbols
1-cable 2-backing pin
The 3-foreign matter intrusion monitoring machine room 4-of system foreign body sensation should net
5-thread cutter 6-foreign body sensation should the net fixed orifice
7-wears cable aperture 8-and wears the backing pin hole
9-sheath 10-core
11-load-bearing protection network
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail, but not as a limitation of the invention.
Embodiment one:
Foreign body intrusion signal acquisition device as shown in Figure 2, comprise: cable 1, foreign body sensation should net 4 and several thread cutters 5, cable 1 is used to connect foreign matter intrusion monitoring system machine room 3, control signal is provided, described foreign body sensation should net 4, be used to respond to foreign matter and invade the impulsive force that produces, described several thread cutters 5 are used to cut off described cable 1.
As shown in Figure 3, Figure 4, described thread cutter 5 comprises sheath 9, core 10, and what an axle center of passing described sheath was arranged on the sidewall of described sheath 9 wears cable aperture 7.Core 10 parts are inserted in the sheath 9, and core 10 and sheath 9 coaxial cooperation also have two parallel perforation of passing the axle center of described core on the sidewall of core 10, be respectively wear cable aperture 7, foreign body sensation should net fixed orifice 6.
As shown in Figure 2, wear cable aperture 7 with what cable 1 passed several described thread cutters 5, and be connected to foreign matter intrusion monitoring system machine room 3, control signal is provided.Described foreign body sensation should be strained by net 4, should be connected with several described thread cutters 5 by net fixed orifice 6 by described foreign body sensation.
Invade as foreign matter, drop on foreign body sensation should net 4 on, foreign body sensation should be impacted by net 4, this impulsive force drives thread cutter 5 cable 1 is cut off, foreign matter intrusion monitoring system machine room 3 just can be received signal, thereby in time takes measures to get rid of foreign matter.
Embodiment two
Thread cutter as Fig. 5, foreign body intrusion signal acquisition device shown in Figure 6, the difference of present embodiment and embodiment one is: described thread cutter 5 has increased a backing pin 2, on the sidewall of described sheath 9 and described core 10, have one with described wear cable aperture 7 and foreign body sensation should the net fixed orifice the 6 parallel backing pin holes 8 of wearing, this backing pin 2 inserts wearing in the backing pin hole 8 of described sheath 9 and described core 10, increases the resistance that described thread cutter 5 cuts off described cable 1.Increase that described backing pin 2 can be avoided since the less foreign matter of weight drop on described foreign body sensation should net 4 on, cause described thread cutter 5 to cut off described cable 1, cause warning.The scheme of present embodiment can be avoided false alarm, has reduced meaningless maintenance workload.Invade problem if want to gather the bigger foreign matter of weight, can the big backing pin 2 of selection intensity.
Embodiment three
Foreign body intrusion signal acquisition device as shown in Figure 7, the difference of present embodiment and embodiment two is: described cable 1 has two at least, every cable 1 should net 4 zoness of different be connected with described foreign body sensation, described every cable 1 connects foreign matter intrusion monitoring system machine room 3 separately, and control signal is provided.
As shown in Figure 7, there are 4 cables to provide control signal to described foreign matter intrusion monitoring system machine room 3 respectively, if described backing pin 2 is selected for use at light foreign matter, the backing pin that resistance is less, be cut off at one time when these cables have two or more non-conterminous cables, foreign matter intrusion monitoring system machine room 3 just can be judged big and light object and invade.So just can well solve the intrusion signal acquisition problems of the big and light object of gasoline can one class.
Above embodiment is an exemplary embodiment of the present invention only, is not used in restriction the present invention.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.
Claims (5)
1. a foreign body intrusion signal acquisition device is characterized in that, comprising:
Cable (1) is used to connect foreign matter intrusion monitoring system machine room (3), and control signal is provided;
Foreign body sensation should net (4), is used to respond to foreign matter and invades the impulsive force that produces;
Several thread cutters (5) are used to cut off described cable (1);
Described thread cutter (5) comprises sheath (9), core (10), and what an axle center of passing described sheath (9) was arranged on the sidewall of described sheath (9) wears cable aperture (7);
Described core (10) part is inserted in the described sheath (9), with described sheath (9) coaxial cooperation, two parallel perforation of passing the axle center of described core (10) are also arranged on the sidewall of described core (10), are respectively that the described cable aperture (7), foreign body sensation worn should net fixed orifice (6);
Described cable (1) passes the described of several described thread cutters (5) and wears cable aperture (7), and is connected to foreign matter intrusion monitoring system machine room (3);
Described foreign body sensation should be strained by net (4), should be connected with several described thread cutters (5) by net fixed orifice (6) by described foreign body sensation.
2. a kind of foreign body intrusion signal acquisition device according to claim 1, it is characterized in that: described thread cutter (5) also comprises a backing pin (2), on the sidewall of described sheath (9) and described core (10), have one with described wear cable aperture (7) and foreign body sensation should net fixed orifice (6) parallel wear backing pin hole (8), described backing pin (2) inserts wearing in the backing pin hole (8) of described sheath (9) and described core (10), increases the resistance that described thread cutter (5) cuts off described cable (1).
3. a kind of foreign body intrusion signal acquisition device according to claim 2 is characterized in that, the material that described foreign body sensation should net (4) is selected metal alloy.
4. a kind of foreign body intrusion signal acquisition device according to claim 3 is characterized in that, described foreign body sensation should net (4) can be any one of regular figure, irregular figure.
5. according to each described a kind of foreign body intrusion signal acquisition device in the claim 1 to 4, it is characterized in that, described cable (1) has two at least, every cable (1) should net (4) zones of different be connected with described foreign body sensation, described every cable (1) connects foreign matter intrusion monitoring system machine room (3) separately, and control signal is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100341328A CN101789159B (en) | 2010-01-13 | 2010-01-13 | Foreign body intrusion signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100341328A CN101789159B (en) | 2010-01-13 | 2010-01-13 | Foreign body intrusion signal acquisition device |
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| Publication Number | Publication Date |
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| CN101789159A CN101789159A (en) | 2010-07-28 |
| CN101789159B true CN101789159B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010100341328A Active CN101789159B (en) | 2010-01-13 | 2010-01-13 | Foreign body intrusion signal acquisition device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244031A (en) * | 1968-01-05 | 1971-08-25 | British Railways Board | Improvements relating to security fences |
| WO1987000666A1 (en) * | 1985-07-26 | 1987-01-29 | Safe Bridge Ab | An alarm system |
| CN1502779A (en) * | 2002-11-25 | 2004-06-09 | 宋国强 | Assailing thieves resisting door and window without alarm missing and wrong alarm for residence |
| CN101249835A (en) * | 2008-03-28 | 2008-08-27 | 江苏今创安达交通信息技术有限公司 | High-speed railway foreign matter invasion observation system |
| CN201378061Y (en) * | 2009-04-10 | 2010-01-06 | 李健群 | Composite material grating sensor |
| CN201597607U (en) * | 2010-01-13 | 2010-10-06 | 北京世纪瑞尔技术股份有限公司 | Foreign body intrusion signal acquisition device |
-
2010
- 2010-01-13 CN CN2010100341328A patent/CN101789159B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244031A (en) * | 1968-01-05 | 1971-08-25 | British Railways Board | Improvements relating to security fences |
| WO1987000666A1 (en) * | 1985-07-26 | 1987-01-29 | Safe Bridge Ab | An alarm system |
| CN1502779A (en) * | 2002-11-25 | 2004-06-09 | 宋国强 | Assailing thieves resisting door and window without alarm missing and wrong alarm for residence |
| CN101249835A (en) * | 2008-03-28 | 2008-08-27 | 江苏今创安达交通信息技术有限公司 | High-speed railway foreign matter invasion observation system |
| CN201378061Y (en) * | 2009-04-10 | 2010-01-06 | 李健群 | Composite material grating sensor |
| CN201597607U (en) * | 2010-01-13 | 2010-10-06 | 北京世纪瑞尔技术股份有限公司 | Foreign body intrusion signal acquisition device |
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| Publication number | Publication date |
|---|---|
| CN101789159A (en) | 2010-07-28 |
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