CN103587557A - Auxiliary alarming device of railway grade crossing - Google Patents
Auxiliary alarming device of railway grade crossing Download PDFInfo
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- CN103587557A CN103587557A CN201310638732.9A CN201310638732A CN103587557A CN 103587557 A CN103587557 A CN 103587557A CN 201310638732 A CN201310638732 A CN 201310638732A CN 103587557 A CN103587557 A CN 103587557A
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Abstract
The invention provides an auxiliary alarming device of a railway grade crossing. The auxiliary alarming device comprises infrared detector sets and an alarm unit, wherein the infrared detector sets comprise a first detector set and a second detector set, the first detector set is arranged on a roadway gate of the crossing, crossing space, 300mm-800mm vertically away from the ground, below the roadway gate is detected, and the alarm unit is controlled to give an alarm when it is detected that people exist; the second detector set is arranged on the ground on two sides of a rail of the crossing, crossing space, with the vertical distance from the ground to the top of a steel rail being 300mm, below the roadway gate is detected, and the alarm unit is controlled to give an alarm when it is detected that an obstacle exists. The auxiliary alarming device is simple in structure, significant in effect, direct and high in efficiency, enhances railway grade crossing alarming functions, improves highway and railway safety conditions, and further improves safety performance of the railway grade crossing; meanwhile, it is guaranteed that transport capacity of the railway can be improved and safe and punctual running transportation is achieved.
Description
Technical field
The invention belongs to safety method field, level crossing, especially relate to a kind of railway crossing additional alarm device.
Background technology
At present the warning circuit of level crossing be train operation to road junction approach section time, warning device carries out sound and light alarm, cross barrier at grade crossing is closed, and forbids that railway aspect drives a vehicle; When train goes out after reverse clearly arrival notice point, sound and light of alarm automatically terminates, and cross barrier at grade crossing is open, the pedestrian of highway direction, open to traffic.
The crossing alarm device using at present has following two functions: sound and light alarm when (1) railway direction has Train Approaching road junction; (2) be that warning device is reported to the police the opportunity that cross barrier at grade crossing is closed, and pedestrian, vehicle in highway direction road junction empty.Shortcoming is: (1) crossing alarm device is not monitored the obstacle in the distance of the following overhead 700mm～800mm of roadway gate; (2) after cross barrier at grade crossing is closed, between two roadway gates at road junction, whether there is obstacle, warning device can not reported to the police.There is monitoring blind area in existing crossing alarm device, so how to design a kind of accessory equipment that blind area is carried out to monitoring, alarming, the safety that further improves passing railway cross becomes the problem of engineering staff's research.
Summary of the invention
Whether the technical problem to be solved in the present invention has 2 points: (1) road junction is closed after roadway gate, have pedestrian, vehicle or other obstacle to enter port area, unmanned or by people's supervision, safety precaution is inadequate.Under reply roadway gate, overhead in the distance of 300mm～800mm, monitor, prevent that pedestrian from passing through by force roadway gate and causing 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, can only lean on people's naked eyes to go to distinguish, at night or in the situation in greasy weather, bad for road junction periphery road conditions, native stone or other obstacle are swarmed into railway line and can be threatened to driving.By carry out obstacle monitoring below the two back gauge ground 300mm at road junction, and include the warning circuit at road junction in, strengthen the safeguard function at road junction; (3) for prevent train normally by time, annunciator wrong report has increased and has controlled contact D1 and the D2 that removes warning while detecting Train Approaching road junction arrival notice point in additional alarm circuit.
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 the first detection instrument group is arranged on the roadway gate at road junction, to the vertical distance on distance ground, roadway gate below, be that space, road junction within the scope of 300mm-800mm is surveyed, detect someone and control described alarm equipment alarm; Described the second detection instrument group is arranged on the ground of rail both sides, road junction, to the vertical distance on distance ground, roadway gate below, is that 300mm surveys to the space, road junction at rail top, has detected obstacle and has controlled described alarm equipment alarm.
Described annunciator comprises contact, alarm relay and the electric bell that the contact of being controlled by described the first detection instrument group, described the second detection instrument group are controlled, contact, alarm relay coil that the contact that described the first detection instrument group is controlled, described the second detection instrument group are controlled are connected between positive source and negative pole successively, the normally closed contact of described relay and described electric bell are serially connected between the positive pole and negative pole of described power supply, and the contact both sides that described the first detection instrument group is controlled are also connected to forward notice point and arrive and remove warning contact and counter-notification point arrives releasing warning contact.
Described power supply is controlled and is started by the closing signal of described roadway gate.
Described the first detection instrument group comprises a plurality of first probes of spaced set, and the distance between described the first probe is 50cm-80cm.
Described the second detection instrument group comprises a plurality of second probes of spaced set, and the distance between described the second probe is 50cm-80cm.
Advantage and good effect that the present invention has are: owing to adopting technique scheme, the present invention is simple in structure, and circuit is simple, successful, directly efficient, strengthened railway crossing warning function, improve highway and railway safety case, further improve the safety performance of railway crossing; Meanwhile, be also that railway increases capacity, realize one of safe and punctual transportation and ensure 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 that the first detection instrument group is controlled, the contact that L2. the second detection instrument group is controlled, BJ. alarm relay, Z. positive source, F. power cathode, D1. forward notice point arrives removes a warning contact, and D2. counter-notification point arrives releasing warning contact.
The specific embodiment
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 the first detection instrument group 3 is arranged on the roadway gate 4 at road junction, to the vertical distance on roadway gate 4 distance ground, below, be that space, road junction within the scope of 300mm-800mm is surveyed, detect someone and control described alarm equipment alarm; Described the second detection instrument group 7 is arranged on the ground of rail both sides, road junction, to the vertical distance on distance ground, roadway gate below, is that 300mm surveys to the space, road junction at rail top, has detected obstacle and has controlled described alarm equipment alarm.The 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 being controlled by described the first detection instrument group, the contact L2 that described the second detection instrument group is controlled, alarm relay BJ and electric bell, the contact that the first detection instrument group in the present embodiment and the second detection instrument group are controlled is normal opened contact, the contact L1 that described the first detection instrument group is controlled, the contact L2 that described the second detection instrument group is controlled, 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 anodal Z and negative pole F of described power supply, the contact L1 both sides that described the first detection instrument group is controlled are also connected to forward notice point arrival warning contact D1 and counter-notification point arrival warning contact D2.This annunciator is simple in structure, and successful has increased the current safety in crossing, removes the setting of warning contact, while preventing that train from normally passing through, and annunciator wrong report.
Described power supply is controlled and is started by the closing signal of described roadway gate 4.Roadway gate falls rear this annunciator of startup, guarantees outside the monitoring of warning blind area, can also save electric energy.
Described the first detection instrument group comprises a plurality of first probes of spaced set, and the distance between described the first probe is 50cm-80cm.Guarantee investigative range, avoid producing blind area as far as possible.
Described the second detection instrument group comprises a plurality of second probes of spaced set, and the distance between described the second probe is 50cm-80cm.Guarantee investigative range, avoid producing blind area as far as possible.
Principle of work: the contact L2 that the contact L1 that main circuit will be controlled by the first infrared detecting set group, the second detection instrument group are controlled, alarm relay BJ, the contact of alarm relay BJ and electric bell and positive-negative power (Z, F) form.
When cross barrier at grade crossing 4 is closed, when the region of road junction monitoring does not have obstacle, L1 and L2 contact make alarm relay BJ in attracting state, utilize the normally closed contact of alarm relay BJ to cut off electric bell, the normal condition of road junction in train passage; After the closing of barrier of road junction, when train does not run to the arrival notice point at road junction, when there is obstacle in the region of road junction monitoring or when infrared detecting set breaks down, warning electric bell is connected in capital, remind caretaker to see whether road junction has extremely, if train operation is between the arrival notice point at road junction, the normal opened contact cut-out electric bell by D1 and D2, can not cause the flase alarm at road junction.Thereby to closing road junction occurs after roadway gate abnormal condition, play the effect of early warning and inspection, further guaranteed the safety at road junction.
Working process: when gateman closes roadway gate 4, start annunciator (source switch of roadway gate 4 closing switchs and annunciator is same switch), while there is no obstacle in guarded region, electric bell disconnects, and does not report to the police, while having obstacle in guarded region, electric bell is connected, and reports to the police.
Above one embodiment of the present of invention are had been described in detail, but described content is only for the preferred embodiment of invention, can not be considered to for limiting working of an invention scope.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.
Claims (5)
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 the first detection instrument group is arranged on the roadway gate at road junction, to the vertical distance on distance ground, roadway gate below, be that space, road junction within the scope of 300mm-800mm is surveyed, detect someone and control described alarm equipment alarm; Described the second detection instrument group is arranged on the ground of rail both sides, road junction, to the vertical distance on distance ground, roadway gate below, is that 300mm surveys to the space, road junction at rail top, has detected obstacle and has controlled described alarm equipment alarm.
2. railway crossing additional alarm device according to claim 1, it is characterized in that: described annunciator comprises the contact of being controlled by described the first detection instrument group, the contact that described the second detection instrument group is controlled, alarm relay and electric bell, the contact that described the first detection instrument group is controlled, the contact that described the second detection instrument group is controlled, alarm relay coil is connected between positive source and negative pole successively, the normally closed contact of described relay and described electric bell are serially connected between the positive pole and negative pole of described power supply, the contact both sides that described the first detection instrument group is controlled are also connected to forward notice point and arrive and remove warning contact and counter-notification point arrives releasing warning contact.
3. railway crossing additional alarm device according to claim 2, is characterized in that: described power supply is controlled and started by the closing signal of described roadway gate.
4. according to the railway crossing additional alarm device described in claim 1-3 any one, it is characterized in that: described the first detection instrument group comprises a plurality of first probes of spaced set, and the distance between described the first probe is 50cm-80cm.
5. railway crossing additional alarm device according to claim 4, is characterized in that: described the second detection instrument group comprises a plurality of second probes of spaced set, and the distance between described the 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 true CN103587557A (en) | 2014-02-19 |
| CN103587557B CN103587557B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310638732.9A Active CN103587557B (en) | 2013-11-29 | 2013-11-29 | Railway crossing additional alarm device |
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Cited By (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 |
| 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 |
| CN110398916A (en) * | 2019-07-02 | 2019-11-01 | 六安市同心畅能电子科技有限公司 | The unattended control system circuit of gate and the combination of metal detection detector gate |
| 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 (5)
| 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 |
| CN102826107A (en) * | 2011-06-17 | 2012-12-19 | 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 |
| 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 |
-
2013
- 2013-11-29 CN CN201310638732.9A patent/CN103587557B/en active Active
Patent Citations (5)
| 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 |
| CN102826107A (en) * | 2011-06-17 | 2012-12-19 | 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 |
| 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 |
Cited By (5)
| 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 |
| CN110398916A (en) * | 2019-07-02 | 2019-11-01 | 六安市同心畅能电子科技有限公司 | The unattended control system circuit of gate and the combination of metal detection detector gate |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103587557B (en) | 2015-09-16 |
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