CN103587557B - Railway crossing additional alarm device - Google Patents
Railway crossing additional alarm device Download PDFInfo
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- CN103587557B CN103587557B CN201310638732.9A CN201310638732A CN103587557B CN 103587557 B CN103587557 B CN 103587557B CN 201310638732 A CN201310638732 A CN 201310638732A CN 103587557 B CN103587557 B CN 103587557B
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Abstract
Railway crossing additional alarm device provided by the invention, comprise infrared detecting set group and annunciator, described infrared detecting set group comprises the first detection instrument group and the second detection instrument group, described first detection instrument group is arranged on the roadway gate at road junction, be that space, road junction within the scope of 300mm-800mm detects to the vertical distance on distance ground below roadway gate, detect someone and control described alarm equipment alarm; Described second detection instrument group is arranged on the ground of rail both sides, road junction, and being 300mm to the vertical distance on distance ground below roadway gate detects to the space, road junction at rail top, has detected obstacle and has controlled described alarm equipment alarm.Structure of the present invention is simple, and successful, directly efficiently, enhances railway crossing warning function, improve highway and railway safety case, improves the safety performance of railway crossing further; Meanwhile, be also that railway increases capacity, realize safe and punctual transport one ensures greatly.
Description
Technical field
The invention belongs to level crossing security technology area, especially relate to a kind of railway crossing additional alarm device.
Background technology
The warning circuit of current level crossing be train operation to road junction close to section time, warning device carries out sound and light alarm, and cross barrier at grade crossing is closed, and forbids driving a vehicle in railway aspect; After train goes out reverse clearly arrival notice point, sound and light of alarm automatically terminates, and cross barrier at grade crossing is open, the pedestrian in highway direction, open to traffic.
The crossing alarm device of current use has following two functions: there is sound and light alarm during Train Approaching road junction in (1) railway direction; (2) opportunity that cross barrier at grade crossing is closed is that warning device is reported to the police, and the pedestrian in road junction, highway direction, vehicle empty.Shortcoming is: (1) crossing alarm device is not monitored the obstacle in the distance of overhead 700mm ~ 800mm below roadway gate; (2) after cross barrier at grade crossing is closed, whether have obstacle between two roadway gates at road junction, warning device all can not be reported to the police.There is monitoring blind area in existing crossing alarm device, so how to design a kind of accessory equipment blind area being carried out to monitoring, alarming, the safety improving passing railway cross further becomes the problem of engineering staff's research.
Summary of the invention
The technical problem to be solved in the present invention has 2 points: whether (1) road junction is closed after roadway gate, have pedestrian, vehicle or other obstacle to enter crossing area, unmanned or by people's supervision, safety precaution is inadequate.Under reply roadway gate, the overhead interior monitoring of the distance of 300mm ~ 800mm, prevents pedestrian from passing through roadway gate by force and causes traffic accident by road junction; (2) after cross barrier at grade crossing is closed, on rail between two roadway gates at road junction and periphery whether have obstacle, the naked eyes of people can only be leaned on to go to distinguish, at night or the greasy weather when, bad for road junction periphery road conditions, native stone or other obstacle are swarmed into railway line and can be threatened to driving.Carry out obstacle monitoring by two back gauge ground below the 300mm at road junction, and include the warning circuit at road junction in, strengthen the safeguard function at road junction; (3) in order to prevent train normal through time, annunciator report by mistake, add in additional alarm circuit control detect Train Approaching road junction arrival notice point time remove report to the police contact D1 and D2.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of railway crossing additional alarm device, comprise infrared detecting set group and annunciator, described infrared detecting set group comprises the first detection instrument group and the second detection instrument group, described first detection instrument group is arranged on the roadway gate at road junction, be that space, road junction within the scope of 300mm-800mm detects to the vertical distance on distance ground below roadway gate, detect someone and control described alarm equipment alarm; Described second detection instrument group is arranged on the ground of rail both sides, road junction, and being 300mm to the vertical distance on distance ground below roadway gate detects to the space, road junction at rail top, has detected obstacle and has controlled described alarm equipment alarm.
Described annunciator comprises the contact controlled by described first detection instrument group, described second detection instrument group controls contact, alarm relay and electric bell, the contact that the contact that described first detection instrument group controls, described second detection instrument group control, alarm relay coil are connected between positive source and negative pole successively, between the positive pole that the normally closed contact of described relay and described electric bell are serially connected in described power supply and negative pole, the contact both sides that described first detection instrument group controls also are connected to forward notice point and arrive and remove warning contact and counter-notification point and arrive and remove warning contact.
Described power supply is controlled to start by the closing signal of described roadway gate.
Described first detection instrument group comprises multiple first probes of spaced set, and the distance between described first probe is 50cm-80cm.
Described second detection instrument group comprises multiple second probes of spaced set, and the distance between described second probe is 50cm-80cm.
The advantage that the present invention has and good effect are: owing to adopting technique scheme, structure of the present invention is simple, and circuit is simple, successful, directly efficiently, enhances railway crossing warning function, improve highway and railway safety case, improve the safety performance of railway crossing further; Meanwhile, be also that railway increases capacity, realize safe and punctual transport one ensures greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is alarm circuit schematic diagram of the present invention.
In figure:
1. obstruction signal, 2. grade crossing signal, 3. the first detection instrument group, 4. roadway gate, 5. rail, 6. road junction, 7. the second detection instrument group, L1. the contact of the first detection instrument group control, the contact that L2. second detection instrument group controls, BJ. alarm relay, Z. positive source, F. power cathode, D1. forward notice point arrives removes warning contact, and D2. counter-notification point arrives removes warning contact.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention principle of work is introduced:
As shown in Figure 1-2, a kind of railway crossing additional alarm device of the present invention, comprise infrared detecting set group and annunciator, described infrared detecting set group comprises the first detection instrument group 3 and the second detection instrument group 7, described first detection instrument group 3 is arranged on the roadway gate 4 at road junction, be that space, road junction within the scope of 300mm-800mm detects to the vertical distance on distance ground below roadway gate 4, detect someone and control described alarm equipment alarm; Described second detection instrument group 7 is arranged on the ground of rail both sides, road junction, and being 300mm to the vertical distance on distance ground below roadway gate detects to the space, road junction at rail top, has detected obstacle and has controlled described alarm equipment alarm.Second detection instrument group can be arranged on the limited speed belt (or ramp type structure of similar limited speed belt) at crossing, avoids arranging of the second detection instrument group to bring inconvenience to the current of other vehicles.
Described annunciator comprises the contact L1 controlled by described first detection instrument group, the contact L2 that described second detection instrument group controls, alarm relay BJ and electric bell, the contact that the first detection instrument group in the present embodiment and the second detection instrument group control is normal opened contact, the contact L1 that described first detection instrument group controls, the contact L2 that described second detection instrument group controls, alarm relay BJ coil is connected between positive source Z and negative pole F successively, the normally closed contact of described relay BJ and described electric bell are serially connected between the positive pole Z of described power supply and negative pole F, the contact L1 both sides that described first detection instrument group controls also are connected to forward notice point arrival warning contact D1 and counter-notification point arrival warning contact D2.This alarm arrangement is simple, successful, adds the safety that crossing is current, removes the setting of warning contact, prevent train normal through time, annunciator is reported by mistake.
Described power supply is controlled to start by the closing signal of described roadway gate 4.Roadway gate falls rear this annunciator of startup, ensures, outside the monitoring to warning blind area, can also save electric energy.
Described first detection instrument group comprises multiple first probes of spaced set, and the distance between described first probe is 50cm-80cm.Ensure investigative range, avoid producing blind area as far as possible.
Described second detection instrument group comprises multiple second probes of spaced set, and the distance between described second probe is 50cm-80cm.Ensure investigative range, avoid producing blind area as far as possible.
Principle of work: the contact L2 that the contact L1 that circuit controls primarily of the first infrared detecting set group, the second detection instrument group control, alarm relay BJ, the contact of alarm relay BJ and electric bell and positive-negative power (Z, F) composition.
When cross barrier at grade crossing 4 is closed, when the region of road junction monitoring does not have an obstacle, L1 and L2 contact makes alarm relay BJ be in attracting state, and utilize the normally closed contact of alarm relay BJ to cut off electric bell, road junction is in the normal condition of train passage; When after the closing of barrier of road junction, when train does not run to the arrival notice point at road junction, when there is an obstacle in the region of road junction monitoring or when infrared detecting set breaks down, warning electric bell is connected in capital, caretaker is reminded to see whether road junction has exception, if train operation to road junction arrival notice point between, cut off electric bell by the normal opened contact of D1 and D2, the flase alarm at road junction can not be caused.Thus the abnormal condition that road junction after closedown roadway gate occurs are played to the effect of early warning and inspection, further ensure the safety at road junction.
Working process: while roadway gate 4 is closed by gateman, starts annunciator (source switch of roadway gate 4 closing switch and annunciator is same switch), when not having obstacle in guarded region, electric bell disconnects, and does not report to the police, when there being obstacle in guarded region, electric bell is connected, and reports to the police.
Above one embodiment of the present of invention have been described in detail, but described content being only the preferred embodiment of invention, can not being considered to for limiting working of an invention scope.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (4)
1. a railway crossing additional alarm device, it is characterized in that: comprise infrared detecting set group and annunciator, described infrared detecting set group comprises the first detection instrument group and the second detection instrument group, described first detection instrument group is arranged on the roadway gate at road junction, be that space, road junction within the scope of 300mm-800mm detects to the vertical distance on distance ground below roadway gate, detect someone and control described alarm equipment alarm, described second detection instrument group is arranged on the ground of rail both sides, road junction, be 300mm to the vertical distance on distance ground below roadway gate to detect to the space, road junction at rail top, detect obstacle and control described alarm equipment alarm, described annunciator comprises the contact controlled by described first detection instrument group, the contact that described second detection instrument group controls, alarm relay and electric bell, the contact that described first detection instrument group controls, the contact that described second detection instrument group controls, alarm relay coil is connected between positive source and negative pole successively, between the positive pole that the normally closed contact of described relay and described electric bell are serially connected in described power supply and negative pole, the contact both sides that described first detection instrument group controls also are connected to forward notice point and arrive and remove warning contact and counter-notification point and arrive and remove warning contact.
2. railway crossing additional alarm device according to claim 1, is characterized in that: described power supply is controlled to start by the closing signal of described roadway gate.
3. the railway crossing additional alarm device according to any one of claim 1-2, is characterized in that: described first detection instrument group comprises multiple first probes of spaced set, and the distance between described first probe is 50cm-80cm.
4. railway crossing additional alarm device according to claim 3, is characterized in that: described second detection instrument group comprises multiple second probes of spaced set, and the distance between described second probe is 50cm-80cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310638732.9A CN103587557B (en) | 2013-11-29 | 2013-11-29 | Railway crossing additional alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310638732.9A CN103587557B (en) | 2013-11-29 | 2013-11-29 | Railway crossing additional alarm device |
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| Publication Number | Publication Date |
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| CN103587557A CN103587557A (en) | 2014-02-19 |
| CN103587557B true CN103587557B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310638732.9A Active CN103587557B (en) | 2013-11-29 | 2013-11-29 | Railway crossing additional alarm device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527726A (en) * | 2014-12-30 | 2015-04-22 | 岳阳长炼机电工程技术有限公司 | Infrared detecting instrument railway crossing alarm device |
| CN110398916B (en) * | 2019-07-02 | 2020-07-28 | 六安市同心畅能电子科技有限公司 | Unattended control system circuit combining gate machine and metal detection security inspection door |
| CN110341767A (en) * | 2019-07-17 | 2019-10-18 | 中国友发国际工程设计咨询有限公司 | A kind of automatic control level crossing |
| CN111452842A (en) * | 2020-03-11 | 2020-07-28 | 宁波钢铁有限公司 | Control method for realizing continuous alarm at railway crossing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203581001U (en) * | 2013-11-29 | 2014-05-07 | 天津铁路信号有限责任公司 | Auxiliary warning device of railway level crossing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1339570A (en) * | 1970-12-05 | 1973-12-05 | Ramsden W M | Warning system for rainway level-crossing |
| CN1056842A (en) * | 1990-05-23 | 1991-12-11 | 王福祥 | Infrared monitor for alarming of automatically putting down rod at railway junction |
| CN102826107B (en) * | 2011-06-17 | 2015-04-15 | 同济大学 | Unattended remote monitoring control system for road junction of railways |
| CN202765038U (en) * | 2012-09-20 | 2013-03-06 | 成都货安计量技术中心 | Goods yard flat gangway automatic protection system |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203581001U (en) * | 2013-11-29 | 2014-05-07 | 天津铁路信号有限责任公司 | Auxiliary warning device of railway level crossing |
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