CN105835908B - Train approach warning device - Google Patents
Train approach warning device Download PDFInfo
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- CN105835908B CN105835908B CN201610384284.8A CN201610384284A CN105835908B CN 105835908 B CN105835908 B CN 105835908B CN 201610384284 A CN201610384284 A CN 201610384284A CN 105835908 B CN105835908 B CN 105835908B
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- alarm
- vibration signal
- sound vibration
- train
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- 238000013459 approach Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000009877 rendering Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 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 present invention discloses a kind of train approach warning device, belongs to electronic instrument technology field, including collecting unit, processing unit, alarm unit；Collecting unit is used for the sound vibration signal of acquisition trajectory and collected sound vibration signal is transferred to processing unit；Processing unit obtains the distance and speed of Train Approaching, and export control signal according to the distance of the Train Approaching to drive alarm unit alert for handling the sound vibration signal.The alarm is small, easy to carry, and deploys troops on garrison duty and withdraw a garrison conveniently；With multi-purpose content, the alarm can be inserted in track switch when track switch cleans, can alarm and prevent track switch is mobile, crushes track switch to clean personnel when Train Approaching；When carrying out line construction protection, alarm can be adsorbed and deployed troops on garrison duty in rail side；Or level crossing is arranged on, carry out early warning to carrying out vehicle.
Description
Technical field
The present invention relates to electronic instrument technology field, more particularly to a kind of train approach warning device.
Background technology
At present, it is cleaned with the promotion of railway transporting amount and train running speed, the work business line construction of railway and track switch
Workload also increases severely therewith.And since rail man works in identical environment for a long time, it has been familiar with working environment and job stream
Journey, the awareness of unexpected development are often faded, and the sound that rolling stock operation is sent out is difficult to that work business operating personnel and track switch is caused to clean
The vigilance of operating personnel causes the frequent generation of vehicle injury accident.
At present, many railway research units have carried out train approach warning device certain research, also achieve some into
Fruit, these alarms use the means of communication of dedicated wired or wireless network.The characteristics of these alarms are common, that is, body
Product is big, and component is more, complicated, it has not been convenient to carry；And set up defences at a distance using two-way, installation and removal are inconvenient,
The situation of a variety of railway section construction operations cannot be met.
Invention content
The purpose of the present invention is to provide a kind of train approach warning device, to solve train approach warning of the prior art
The problem of device is installed and demolishing process is complicated, is taken time and effort, and efficiency is low.
In order to achieve the above object, the technical solution adopted by the present invention is：The train approach warning device includes collecting unit, place
Manage unit, alarm unit；
Collecting unit, for acquisition trajectory sound vibration signal and collected sound vibration signal is transferred to processing
Unit；
Processing unit for handling the sound vibration signal, obtains the distance and speed of Train Approaching, and root
Signal is controlled to drive alarm unit alert according to the distance output of the Train Approaching.
Compared with prior art, there are following technique effects by the present invention：One, special wired or wireless network is not needed to,
It deploys troops on garrison duty and withdraws a garrison and is simple and convenient.Two, it is small, it is handy to carry about, meet temporarily in the situation of railway section construction operation.
Three, there is multi-purpose content, the alarm can be inserted in track switch when track switch cleans, it can be when Train Approaching
Alarm, and can prevent track switch is mobile, crushes track switch to clean personnel；When carrying out line construction protection, alarm can be adsorbed
In rail side；Or level crossing is arranged on, carry out early warning to carrying out vehicle.
Description of the drawings
Fig. 1 is a kind of system structure diagram of train approach warning device provided by the invention；
Fig. 2 is a kind of system structure diagram of train approach warning device provided by the invention；
Fig. 3 is a kind of outline structural diagram of train approach warning device provided by the invention.
Specific embodiment
With reference to 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 provided in this embodiment, it is single including collecting unit 10, processing
Member 20, alarm unit 30；Collecting unit 10, for acquisition trajectory sound vibration signal and by collected sound vibration signal
It is transferred to processing unit 20；Processing unit 20 for handling the sound vibration signal, obtains the distance of Train Approaching
And speed, and control signal is exported to drive 30 alert of alarm unit according to the distance of the Train Approaching.
Specifically, collecting unit 10 in the present embodiment is audio communication sensor, mounted on close at the alarm shell inner wall.
It should be noted that the vibration that train is sent out when driving on rail is a kind of apparent noise waves of feature, root
The distance and speed of Train Approaching can be calculated according to the intensity of the noise.
Specifically, alarm provided in this embodiment further includes metal inductive switch 40, which is connecing
During nearly rail, the acquisition that control signal driving collecting unit 10 proceeds by sound vibration signal can be exported.
By setting metal inductive switch 10, collecting unit can be controlled just to proceed by acoustical vibration when close to rail
The acquisition of signal, when the alarm is taken off from road switch blade or rail, alarm automatically powers off, and improves alarm
Service life, reduce the electric quantity consumption of battery.
Specifically, as shown in Fig. 2, processing unit 20 includes Application on Voiceprint Recognition device 21, preamplifier 22, control amplifier
23rd, analog-digital converter 24 and amplitude processor 25；Application on Voiceprint Recognition device 21 is by the acoustical vibration of 10 collected track of collecting unit
Signal is compared with pre-set vibration signal, before obtaining the sound vibration signal that train travels in orbit and being transferred to
Put amplifier 22；The sound vibration signal that the train travels in orbit is amplified by preamplifier 22, is amplified
Rear sound vibration signal is simultaneously transferred to control amplifier 23；Control amplifier 23 controls the amplified sound vibration signal
It exports to analog-digital converter 24；The amplified sound vibration signal is converted to digital signal and transmitted by analog-digital converter 24
To amplitude processor 25；The amplitude intensity of amplitude processor 25 according to the digital signal, calculate the Train Approaching away from
From；Whether early warning determining device 26 meets preset early warning requirement according to the distance of the Train Approaching, judges whether to export control
Signal driving alarm unit 30 sends out alarm signal.Using alarm provided in this embodiment, set up defences in operation field energy single-point,
The intensity for the audio communication transmitted by detecting rail, judges the distance of Train Approaching, is accurately alarmed, and effectively warning is applied
Worker person, and the alarm that can withdraw a garrison in a relatively short period of time, are withdrawn.
It should be noted that Application on Voiceprint Recognition device 21, preamplifier 22, control amplifier 23, modulus in the present embodiment
Converter 24 and amplitude processor 25 are the circuit board being welded on microcontroller.Pre-set eigen vibration signal is row at this
The eigen vibration signal that vehicle travels in orbit.The train that preset early warning requirement is safely evacuated to can ensure that construction personnel at this
It is that technical staff passes through the numerical value of a safe distance that test of many times is verified close to distance.
Specifically, processing unit 20 further includes preprocessor 27, for by the sound of 10 collected track of collecting unit
Vibration signal is pre-processed, and filters out the interference information in the sound vibration signal of the track, and by 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, vocal print feature is carried out in Application on Voiceprint Recognition device 21
Before comparison, the interference signal in the sound vibration signal of collected track is filtered out by preprocessor 27, is improved
The accuracy that Application on Voiceprint Recognition device 21 vocal print compares.
Specifically, processing unit 20 further includes sampling detector 28, for every preset time to the digital signal into
Row sampling, and the sampled signal that sampling is obtained is transferred to amplitude processor 25 so that amplitude processor 25 is believed according to the sampling
Number difference in magnitude calculate the travel speed and travel direction of the train.By calculating the travel speed and travel direction of train,
And the distance for combining Train Approaching carries out report early warning, and construction personnel is enable to learn the speed of train driving, generates the sense of urgency, into
Row is accurate, quickly withdraws.
Specifically, alarm unit 30 includes sound rendering module 31 and alarm module 32；Sound rendering module 31, for
When control module 23 judges that the distance of the Train Approaching meets preset early warning requirement, the distance of Train Approaching is synthesized into alarm
Information is simultaneously transferred to alarm module 32；Alarm module 32, for sending out alarm voice according to the warning message.Wherein, sound
The voice that synthesis module 31 synthesizes is " Train Approaching, xx meters of distance, xx kilometers of speed." or " uplink/downlink Train Approaching, away from
From xx meters, xx kilometers of speed ".It is alarmed by voice broadcast, directly reports travel direction, distance and the speed of train, more directly
It connects and work business personnel is effectively reminded to be withdrawn.
It should be noted that the alarm unit 30 in the present embodiment further includes the alarm lamp being not shown in figure, for controlling
When molding block 23 judges that the distance of the Train Approaching meets preset early warning requirement, alarm lamp flicker is alarmed.
Specifically, alarm provided in this embodiment further includes power supply 50, for for collecting unit 10,20 and of processing unit
Alarm unit 30 is powered.Power supply 50 in this implementation can be met standby for a long time and be used, and have using lithium battery
Electricity is shown and power shortage prompt facility, and work business operating personnel can be reminded to charge the battery in time, prevented because of battery capacity not
Alarm is caused to can not work normally enough.
With reference to shown in Fig. 3, the shell of train approach warning device provided in this embodiment is wedge shape, and collecting unit 10 is located
Reason unit 20 is connected with alarm unit 30 by conducting wire, in wedge shape shell；It is provided in the side of wedge shape shell
Magnetic face.By being wedge shape by the shelling machine of alarm, it is convenient to alarm is inserted in track switch, was both conveniently deployed troops on garrison duty,
Track switch movement can be prevented again and crushes operating personnel；Wedge shape shell setting magnetic face, can adsorb alarm in rail side
It deploys troops on garrison duty；Alarm can also be arranged on level crossing, carry out report early warning.Alarm provided in this embodiment is in difference
Road construction scene in can easily carry out deploying troops on garrison duty and installation and remove, and small, be convenient for carrying.
Specifically, handle is set on the outer wall of alarm.It should be noted that handle and magnetic face are mounted on outside wedge shape
On the different sides of shell.By setting handle, work business personnel is facilitated to be carried.
Claims (7)
1. a kind of train approach warning device, it is characterised in that：Including collecting unit (10), processing unit (20), alarm unit
(30)；
Collecting unit (10), for acquisition trajectory sound vibration signal and collected sound vibration signal is transferred to processing
Unit (20)；
Processing unit (20) for handling the sound vibration signal, obtains the distance of Train Approaching and speed and root
Signal is controlled to drive alarm unit (30) alert according to the distance output of the Train Approaching；
Metal inductive switch (40) is further included, the metal inductive switch (40) controls collecting unit (10) when close to rail
Start to acquire sound vibration signal；
The shell of train approach warning device be wedge shape, collecting unit (10), processing unit (20), alarm unit (30), metal
Inductive switch (40) is connected by conducting wire, in wedge shape shell；The side of wedge shape shell is provided with magnetic face.
2. alarm as described in claim 1, it is characterised in that：The processing unit (20) includes Application on Voiceprint Recognition device
(21), preamplifier (22), control amplifier (23), analog-digital converter (24) and amplitude processor (25)；
Application on Voiceprint Recognition device (21), for the sound vibration signal of collecting unit (10) collected track to be shaken with pre-set
Dynamic signal is compared, and is obtained the sound vibration signal that train travels in orbit and is transferred to preamplifier (22)；
Preamplifier (22), the sound vibration signal for the train to be travelled in orbit are amplified, are amplified
Rear sound vibration signal is simultaneously transferred to control amplifier (23)；
Amplifier (23) is controlled, analog-digital converter (24) is given for the amplified sound vibration signal to be controlled to export；
Analog-digital converter (24), for the amplified sound vibration signal to be converted to digital signal and is transferred at amplitude
Manage device (25)；
Amplitude processor (25), amplitude intensity according to the digital signal calculate the distance of the Train Approaching；
Whether early warning determining device (26) meets preset early warning requirement for the distance according to the Train Approaching, judges whether
Output control signal driving alarm unit (30) sends out alarm signal.
3. alarm as claimed in claim 2, which is characterized in that the processing unit (20) further includes preprocessor
(27)；
Preprocessor (27) for the sound vibration signal of collecting unit (10) collected track to be pre-processed, filters out
Interference information in the sound vibration signal of the track, and pretreated sound vibration signal is transferred to Application on Voiceprint Recognition device
(21)。
4. alarm as claimed in claim 3, it is characterised in that：The processing unit (20) further includes sampling detector
(28), for being sampled every preset time to the digital signal, and the sampled signal that sampling is obtained is transferred to amplitude
Processor (25) so that amplitude processor (25) according to the difference in magnitude of the sampled signal calculate the train travel speed and
Travel direction.
5. alarm as claimed in claim 4, it is characterised in that：The alarm unit (30) includes sound rendering module
(31) and alarm module (32)；
Sound rendering module (31), for judging that the distance of the Train Approaching meets preset early warning in early warning determining device (26)
It is required that when, the distance of Train Approaching is synthesized into warning message and is transferred to alarm module (32)；
Alarm module (32), for sending out alarm voice according to the warning message.
6. such as claim 1-5 any one of them alarms, it is characterised in that：Further include power supply (50)；
Power supply (50), for powering for collecting unit (10), processing unit (20) and alarm unit (30).
7. alarm as described in claim 1, it is characterised in that：Handle is set on the outer wall of the alarm.
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 CN105835908A (en) | 2016-08-10 |
| CN105835908B true 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 |
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| Country | Link |
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| CN (1) | CN105835908B (en) |
Families Citing this family (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 |
| CN113788047B (en) * | 2021-09-14 | 2022-10-18 | 上海交通大学 | Train approach alarm based on steel rail guided wave technology |
| CN114261424B (en) * | 2021-12-04 | 2023-04-07 | 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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|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-05-30 CN CN201610384284.8A patent/CN105835908B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN105835908A (en) | 2016-08-10 |
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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 |