CN105835908A - Train approach warning device - Google Patents
Train approach warning device Download PDFInfo
- Publication number
- CN105835908A CN105835908A CN201610384284.8A CN201610384284A CN105835908A CN 105835908 A CN105835908 A CN 105835908A CN 201610384284 A CN201610384284 A CN 201610384284A CN 105835908 A CN105835908 A CN 105835908A
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- Prior art keywords
- alarm
- train
- signal
- unit
- vibration signal
- Prior art date
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- 238000013459 approach Methods 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 22
- 230000003321 amplification Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000009877 rendering Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000007123 defense Effects 0.000 abstract 2
- 241001417527 Pempheridae Species 0.000 abstract 1
- 238000010408 sweeping Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a train approach warning device and belongs to the technical field of electronic instruments. The train approach warning device comprises an acquisition unit, a processing unit and a warning unit, wherein the acquisition unit is used for acquiring sound vibration signals of tracks and transmitting the acquired sound vibration signals to the processing unit, and the processing unit is used for processing the sound vibration signals to obtain train approach distances and speeds and outputting control signals according to the train approach distances to drive the warning unit to send warning information. The train approach warning device has the advantages that the train approach warning device is small in size, portable and convenient to mount for defense and dismount; being multipurpose, the train approach warning device can be inserted into a turnout during turnout sweeping so as to be capable of warning when a train approaches and preventing turnout movement and clamping injury of turnout sweepers, can be attracted on the side face of a rail for defense during track construction protection, or can be arranged at a railway crossing to warn a coming vehicle.
Description
Technical field
The present invention relates to electronic instrument technology field, particularly to a kind of train approach warning device.
Background technology
At present, along with railway transporting amount and the lifting of train running speed, the work business line construction of railway
And the workload that track switch cleans increases severely the most therewith.And due to rail man for a long time in identical environment
Work, has been familiar with working environment and work flow, and the awareness of unexpected development is often faded, rolling stock
Run the sound sent to be difficult to cause work business operating personnel and the vigilance of track switch cleaning work personnel, make
Become the frequent generation of vehicle injury accident.
At present, many railway research units have carried out certain research to train approach warning device, also
Achieving some achievements, these alarms use the communication side of special wired or wireless network
Method.The common feature i.e. volume of these alarms is big, and assembly is many, and structure is complicated, it has not been convenient to oneself
Carry；And use and two-way set up defences at a distance, installation and removal inconvenience, it is impossible to meet multiple ferrum
The situation of interval, road construction operation.
Summary of the invention
It is an object of the invention to provide a kind of train approach warning device, of the prior art to solve
Train approach warning device is installed and demolishing process is complicated, takes time and effort, inefficient problem.
For realizing object above, the technical solution used in the present invention is: this train approach warning device includes adopting
Collection unit, processing unit, alarm unit；
Collecting unit, for acquisition trajectory sound vibration signal and will collect acoustical vibration letter
Number it is transferred to processing unit；
Processing unit, for described sound vibration signal is processed, obtain Train Approaching away from
From and speed, and export control signal to drive alarm unit to send out according to the distance of described Train Approaching
Go out warning message.
Compared with prior art, there is techniques below effect in the present invention: one, it is not necessary to special has
Line or wireless network, deploy troops on garrison duty and withdraw a garrison and be simple and convenient.Two, volume is little, handy to carry about, full
Foot is temporarily in the situation of railway section construction operation.Three, there is one-object-many-purposes, clean at track switch
Time this alarm can be inserted in track switch, can report to the police Train Approaching when, can prevent again
Only track switch is moved, is crushed track switch cleaning personnel；During conducting transmission line construction protection, can will report to the police
Device adsorbs in rail side；Or it is arranged on level crossing, carry out early warning to sending a car.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of a kind of train approach warning device that the present invention provides；
Fig. 2 is the system structure schematic diagram of a kind of train approach warning device that the present invention provides；
Fig. 3 is the contour structures schematic diagram of a kind of train approach warning device that the present invention provides.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 3, the present invention is described in further detail.
As shown in Figure 1 to Figure 2, a kind of train approach warning device that the present embodiment provides, including adopting
Collection unit 10, processing unit 20, alarm unit 30；Collecting unit 10, for acquisition trajectory
The sound vibration signal collected also is transferred to processing unit 20 by sound vibration signal；Processing unit
20, for described sound vibration signal is processed, obtain distance and the speed of Train Approaching,
And export control signal to drive alarm unit 30 to send warning according to the distance of described Train Approaching
Information.
Concrete, the collecting unit 10 in the present embodiment is audio communication sensor, is arranged on this
At alarm shell inwall.
It should be noted that the vibration that train is sent when travelling on rail is that a kind of feature is obvious
Noise waves, distance and the speed of Train Approaching can be calculated according to the intensity of this noise.
Concrete, the alarm that the present embodiment provides also includes metal inductive switch 40, this metal sense
Inductive switch 40, when close to rail, can export control signal and drive collecting unit 10 to proceed by sound
The collection of sound vibration signal.
By arranging metal inductive switch 10, collecting unit can be controlled and just start when close to rail
Carry out the collection of sound vibration signal, this alarm is being taken off from road switch blade or rail
Time, alarm automatically powers off, and improves the service life of alarm, and the electricity reducing battery disappears
Consumption.
Concrete, as in figure 2 it is shown, processing unit 20 includes Application on Voiceprint Recognition device 21, preposition amplification
Device 22, control amplifier 23, analog-digital converter 24 and amplitude processor 25；Application on Voiceprint Recognition device
The sound vibration signal of 21 tracks that collecting unit 10 is collected and the vibration signal pre-set
Compare, obtain sound vibration signal that train travels in orbit and be transferred to preamplifier
22；The sound vibration signal that described train travels in orbit is amplified by preamplifier 22,
Sound vibration signal after being amplified also is transferred to control amplifier 23；Control amplifier 23 to control
Make the sound vibration signal after described amplification to export to analog-digital converter 24；Analog-digital converter 24 will
Sound vibration signal after described amplification is converted to digital signal and is transferred to amplitude processor 25；Width
Value processor 25 according to the amplitude intensity of described digital signal, calculate described Train Approaching away from
From；Whether early warning diagnosis apparatus 26 meets default early warning requirement according to the distance of described Train Approaching,
Judge whether that exporting control signal drives alarm unit 30 to send alarm signal.Utilize the present embodiment
The alarm provided, sets up defences at operation field energy single-point, by detecting the strong of the audio communication of rail transmission
Degree, it is judged that the distance of Train Approaching, reports to the police accurately, effectively alerts workmen,
And alarm of withdrawing a garrison in the short period of time, withdraws.
It should be noted that Application on Voiceprint Recognition device 21 in the present embodiment, preamplifier 22, control
Amplifier 23 processed, analog-digital converter 24 and amplitude processor 25 are the circuit being welded on single-chip microcomputer
Plate.The eigen vibration signal pre-set at this is the eigen vibration letter that train travels in orbit
Number.The early warning preset at this requires the Train Approaching distance being to can ensure that workmen's safe escape,
It is the numerical value of the safe distance that technical staff obtains through test of many times checking.
Concrete, processing unit 20 also includes preprocessor 27, for being gathered by collecting unit 10
To the sound vibration signal of track carry out pretreatment, filter in the sound vibration signal of described track
Interference information, and pretreated sound vibration signal is transferred to Application on Voiceprint Recognition device 21.
It should be noted that the preprocessor 27 at this is filter amplifier, at Application on Voiceprint Recognition device
21 carry out vocal print aspect ratio to before, are shaken by the sound of the track collected by preprocessor 27
Interference signal in dynamic signal filters, and improves the accurate of Application on Voiceprint Recognition device 21 vocal print comparison
Property.
Concrete, processing unit 20 also includes sampling detector 28, for every Preset Time pair
Described digital signal is sampled, and sampled signal sampling obtained is transferred to amplitude processor 25
So that amplitude processor 25 calculates the traveling speed of described train according to the difference in magnitude of described sampled signal
Degree and travel direction.By calculating travel speed and the travel direction of train, and combine Train Approaching
Distance carry out reporting early warning, make workmen can learn the speed of train driving, produce the sense of urgency,
Carry out accurate, quickly withdraw.
Concrete, alarm unit 30 includes sound rendering module 31 and alarm module 32；Sound closes
Become module 31, default pre-for judging that the distance of described Train Approaching meets in control module 23
When police requires, the distance of Train Approaching is synthesized warning message and is transferred to alarm module 32；Report to the police
Module 32, for sending alarm voice according to described warning message.Wherein, sound rendering module
The voice of 31 synthesis is " Train Approaching, distance xx rice, speed xx kilometer." or " upper/
Down train is close, distance xx rice, speed xx kilometer ".Reported to the police by voice broadcast, directly
Report the travel direction of train, distance and speed, more directly effectively remind work business personnel to carry out
Withdraw.
It should be noted that the alarm unit 30 in the present embodiment also includes the report not shown in figure
In control module 23, warning lamp, for judging that the distance of described Train Approaching meets default early warning and wants
When asking, alarm lamp flicker is reported to the police.
Concrete, the alarm that the present embodiment provides also includes power supply 50, is used for as collecting unit
10, processing unit 20 and alarm unit 30 are powered.Power supply 50 in this enforcement uses lithium
Battery, can meet the most standby and use, and has electricity and show and power shortage prompt facility,
Work business operating personnel can be reminded in time battery to be charged, prevent from causing because battery electric quantity is not enough
Alarm cannot normally work.
Shown in Fig. 3, the shell of the train approach warning device that the present embodiment provides is wedge shape,
Collecting unit 10, processing unit 20 and alarm unit 30 are connected by wire, are arranged on wedge shape
In shell；The side of wedge shape shell is provided with magnetic face.By by the enclosure designs of alarm
For wedge shape, it is convenient to be inserted in track switch by alarm, the most conveniently deploy troops on garrison duty, track switch can be prevented again
Move and crush operating personnel；Wedge shape shell arranges magnetic face, can adsorb alarm at rail
Deploy troops on garrison duty in side；Alarm can also be arranged on level crossing, carry out reporting early warning.This reality
The alarm that executing example provides can carry out installation of deploying troops on garrison duty in different road construction scenes easily
With remove, and volume is little, is convenient for carrying.
Concrete, the outer wall of alarm arranges handle.It should be noted that handle and magnetic face peace
It is contained on the different side of wedge-shaped enclosure.By arranging handle, work business personnel are facilitated to carry.
Claims (9)
1. a train approach warning device, it is characterised in that: include collecting unit (10), process
Unit (20), alarm unit (30)；
Collecting unit (10), for the sound vibration signal of acquisition trajectory the sound that will collect
Vibration signal is transferred to processing unit (20)；
Processing unit (20), for processing described sound vibration signal, obtains train and connects
Near distance and speed the distance according to described Train Approaching export control signal to drive warning
Unit (30) alert.
2. alarm as claimed in claim 1, it is characterised in that: also include that metal sensing is opened
Closing (40), described metal inductive switch (40) controls collecting unit (10) when close to rail
Start to gather sound vibration signal.
3. alarm as claimed in claim 1, it is characterised in that: described processing unit (20)
Turn including Application on Voiceprint Recognition device (21), preamplifier (22), control amplifier (23), modulus
Parallel operation (24) and amplitude processor (25)；
Application on Voiceprint Recognition device (21), the sound of the track for being collected by collecting unit (10) shakes
Dynamic signal compares with the vibration signal pre-set, and obtains the sound that train travels in orbit
Vibration signal is also transferred to preamplifier (22)；
Preamplifier (22), for the sound vibration signal travelled in orbit by described train
Being amplified, sound vibration signal after being amplified also is transferred to control amplifier (23)；
Controlling amplifier (23), the sound vibration signal after controlling described amplification exports to mould
Number converter (24)；
Analog-digital converter (24), for being converted to numeral by the sound vibration signal after described amplification
Signal is also transferred to amplitude processor (25)；
Amplitude processor (25), according to the amplitude intensity of described digital signal, calculates described row
The distance that car is close；
Whether early warning diagnosis apparatus (26), for meeting default according to the distance of described Train Approaching
Early warning requirement, it may be judged whether output control signal drives alarm unit (30) to send alarm signal.
4. alarm as claimed in claim 3, it is characterised in that described processing unit (20)
Also include preprocessor (27)；
Preprocessor (27), the acoustical vibration of the track for collecting unit (10) is collected
Signal carries out pretreatment, filters the interference information in the sound vibration signal of described track, and will be pre-
Sound vibration signal after process is transferred to Application on Voiceprint Recognition device (21).
5. alarm as claimed in claim 3, it is characterised in that: described processing unit (20)
Also include sampling detector (28), for described digital signal being sampled every Preset Time,
And sampled signal sampling obtained is transferred to amplitude processor (25) so that amplitude processor (25)
Difference in magnitude according to described sampled signal calculates travel speed and the travel direction of described train.
6. alarm as claimed in claim 3, it is characterised in that: described alarm unit (30)
Including sound rendering module (31) and alarm module (32)；
Sound rendering module (31), for judging described Train Approaching in control module (23)
Distance meets default early warning when requiring, the distance of Train Approaching is synthesized warning message and is transferred to
Alarm module (32)；
Alarm module (32), for sending alarm voice according to described warning message.
7. the alarm as described in any one of claim 1-6, it is characterised in that: also include electricity
Source (50)；
Power supply (50), is used for as collecting unit (10), processing unit (20) and alarm unit (30)
Power supply.
8. the alarm as described in any one of claim 1-6, it is characterised in that described warning
Device is wedge shape, and side arranges magnetic face.
9. alarm as claimed in claim 8, it is characterised in that: the outer wall of described alarm
On handle is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384284.8A CN105835908B (en) | 2016-05-30 | 2016-05-30 | Train approach warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384284.8A CN105835908B (en) | 2016-05-30 | 2016-05-30 | Train approach warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105835908A true CN105835908A (en) | 2016-08-10 |
| CN105835908B CN105835908B (en) | 2018-06-15 |
Family
ID=56595285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384284.8A Active CN105835908B (en) | 2016-05-30 | 2016-05-30 | Train approach warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105835908B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741003A (en) * | 2017-01-05 | 2017-05-31 | 哈尔滨铁路局科学技术研究所 | A kind of alarm |
| CN108674449A (en) * | 2018-07-18 | 2018-10-19 | 王玲 | A kind of traffic train rail maintenance construction safety warning device |
| CN113788047A (en) * | 2021-09-14 | 2021-12-14 | 上海交通大学 | Train approach alarm based on steel rail guided wave technology |
| CN114261424A (en) * | 2021-12-04 | 2022-04-01 | 国能朔黄铁路发展有限责任公司 | Train approaching and steel rail abnormal defect early warning system and method |
| GB2622872A (en) * | 2022-09-30 | 2024-04-03 | Siemens Mobility Ltd | Trackside worker warning method |
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| CN103231729A (en) * | 2013-05-06 | 2013-08-07 | 郭立君 | Portable approach alarm for electric traction train |
| JP2016049906A (en) * | 2014-09-01 | 2016-04-11 | 東日本旅客鉄道株式会社 | Train approach warning device |
| CN105551184A (en) * | 2015-12-19 | 2016-05-04 | 潘小胜 | Novel portable electric power alarm with speech recognition |
| CN205819228U (en) * | 2016-05-30 | 2016-12-21 | 上海铁路局合肥机务段 | Train approach warning device |
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2016
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Patent Citations (6)
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| CN1887628A (en) * | 2006-07-24 | 2007-01-03 | 北京交通大学 | Sound controlled automatic warning device and method for unattended level railway crossing |
| CN201882116U (en) * | 2010-11-02 | 2011-06-29 | 大连鑫奇辉科技有限公司 | Intelligent start monitoring device for railway approaching vehicle |
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| CN205819228U (en) * | 2016-05-30 | 2016-12-21 | 上海铁路局合肥机务段 | Train approach warning device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741003A (en) * | 2017-01-05 | 2017-05-31 | 哈尔滨铁路局科学技术研究所 | A kind of alarm |
| CN108674449A (en) * | 2018-07-18 | 2018-10-19 | 王玲 | A kind of traffic train rail maintenance construction safety warning device |
| CN113788047A (en) * | 2021-09-14 | 2021-12-14 | 上海交通大学 | Train approach alarm based on steel rail guided wave technology |
| CN114261424A (en) * | 2021-12-04 | 2022-04-01 | 国能朔黄铁路发展有限责任公司 | Train approaching and steel rail abnormal defect early warning system and method |
| GB2622872A (en) * | 2022-09-30 | 2024-04-03 | Siemens Mobility Ltd | Trackside worker warning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105835908B (en) | 2018-06-15 |
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Address after: 230000 Hedong Locomotive Section 005, Northeast Bengbu Road, Xinzhan District, Hefei City, Anhui Province Patentee after: Hefei Locomotive Depot, China Railway Shanghai Bureau Group Co., Ltd. Address before: 230000 Zhangwa Town, Xinbengbu Road, Yaohai District, Hefei City, Anhui Province Patentee before: Hefei Locomotive Depot, Shanghai Railway Bureau |
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