CN205819228U - Train approach warning device - Google Patents
Train approach warning device Download PDFInfo
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- CN205819228U CN205819228U CN201620527229.5U CN201620527229U CN205819228U CN 205819228 U CN205819228 U CN 205819228U CN 201620527229 U CN201620527229 U CN 201620527229U CN 205819228 U CN205819228 U CN 205819228U
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Abstract
The open a kind of train approach warning device of this utility model, 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 the sound vibration signal collected is transferred to processing unit；Processing unit, for processing described sound vibration signal, obtains distance and the speed of Train Approaching, and exports control signal to drive alarm unit alert according to the distance of described Train Approaching.This alarm volume is little, it is simple to carry, and deploys troops on garrison duty and withdraw a garrison conveniently；There is one-object-many-purposes, this alarm can be inserted in track switch when track switch cleans, can report to the police Train Approaching when, can prevent again track switch from moving, crush track switch cleaning personnel；During conducting transmission line construction protection, alarm absorption can be deployed troops on garrison duty in rail side；Or it is arranged on level crossing, carry out early warning to sending a car.
Description
Technical field
This utility model 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 track switch clean
Workload increases severely the most therewith.And work in identical environment for a long time due to rail man, it is familiar with working environment and job stream
Journey, the awareness of unexpected development often fades, and rolling stock runs the sound sent to be difficult to cause work business operating personnel and track switch to clean
The vigilance of operating personnel, causes the frequent generation of vehicle injury accident.
At present, many railway research units have carried out certain research to train approach warning device, also achieve some
Really, these alarms use the means of communication of special wired or wireless network.The feature i.e. body that these alarms are common
Long-pending big, assembly is many, and structure is complicated, it has not been convenient to carry with；And use and two-way set up defences at a distance, installation and removal inconvenience,
The situation of multiple railway section construction operation can not be met.
Utility model content
The purpose of this utility model is to provide a kind of train approach warning device, to solve Train Approaching of the prior art
Alarm is installed and demolishing process is complicated, takes time and effort, inefficient problem.For realizing object above, this utility model uses
Technical scheme be: this train approach warning device includes collecting unit, processing unit, alarm unit；
Collecting unit, for the sound vibration signal of acquisition trajectory and the sound vibration signal collected is transferred to process
Unit；
Processing unit, for processing described sound vibration signal, obtains distance and the speed of Train Approaching, and root
Control signal is exported to drive alarm unit alert according to the distance of described Train Approaching.
Compared with prior art, there is techniques below effect in this utility model: one, it is not necessary to special is wired or wireless
Network, deploys troops on garrison duty and withdraws a garrison and be simple and convenient.Two, volume is little, handy to carry about, meets temporarily in the feelings of railway section construction operation
Condition.Three, there is one-object-many-purposes, this alarm can be inserted in track switch when track switch cleans, can be at Train Approaching
Time report to the police, can prevent again track switch from moving, crush track switch clean personnel；During conducting transmission line construction protection, can be by alarm
Absorption is 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 this utility model provides；
Fig. 2 is the system structure schematic diagram of a kind of train approach warning device that this utility model provides；
Fig. 3 is the contour structures schematic diagram of a kind of train approach warning device that this utility model provides.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 3, this utility model 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 collecting unit 10, process list
Unit 20, alarm unit 30；Collecting unit 10, for the sound vibration signal of acquisition trajectory the sound vibration signal that will collect
It is transferred to processing unit 20；Processing unit 20, for processing described sound vibration signal, obtains the distance of Train Approaching
And speed, and export control signal to drive alarm unit 30 alert according to the distance of described Train Approaching.
Concrete, the collecting unit 10 in the present embodiment is audio communication sensor, is arranged at this alarm shell inwall.
It should be noted that the vibration that train is sent when travelling on rail is a kind of obvious noise waves of feature, root
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, and this metal inductive switch 40 is connecing
During nearly rail, control signal can be exported and drive collecting unit 10 to proceed by the collection of sound vibration signal.
By arranging metal inductive switch 10, collecting unit can be controlled when close to rail, just proceed by acoustical vibration
The collection of signal, when being taken off from road switch blade or rail by this alarm, alarm automatically powers off, and improves alarm
Service life, reduce the electric quantity consumption of battery.
Concrete, as in figure 2 it is shown, processing unit 20 includes Application on Voiceprint Recognition device 21, preamplifier 22, controls amplifier
23, analog-digital converter 24 and amplitude processor 25；The acoustical vibration of the track that collecting unit 10 is collected by Application on Voiceprint Recognition device 21
Signal compares with the vibration signal pre-set, before obtaining sound vibration signal that train travels in orbit and being transferred to
Put amplifier 22；The sound vibration signal that described train travels in orbit is amplified by preamplifier 22, is amplified
After sound vibration signal and be transferred to control amplifier 23；Control the sound vibration signal after amplifier 23 controls described amplification
Output is to analog-digital converter 24；Sound vibration signal after described amplification is converted to digital signal and transmits by analog-digital converter 24
To amplitude processor 25；Amplitude 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, it may be judged whether output controls
Signal drives alarm unit 30 to send alarm signal.Utilize the alarm that the present embodiment provides, set up defences at operation field energy single-point,
Intensity by the audio communication of detection rail transmission, it is judged that the distance of Train Approaching, reports to the police accurately, and warning is executed effectively
Workman person, and alarm of withdrawing a garrison in the short period of time, withdraw.
It should be noted that Application on Voiceprint Recognition device 21 in the present embodiment, preamplifier 22, control amplifier 23, modulus
Transducer 24 and amplitude processor 25 are the circuit board being welded on single-chip microcomputer.The eigen vibration signal pre-set at this is row
The eigen vibration signal that car travels in orbit.The early warning preset at this requires the train being to can ensure that workmen's safe escape
Close to distance, 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, the sound of the track for being collected by collecting unit 10
Vibration signal carries out pretreatment, filters the interference information in the sound vibration signal of described 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, carry out vocal print feature at Application on Voiceprint Recognition device 21
Before comparison, by preprocessor 27, the interference signal in the sound vibration signal of the track collected is filtered, improve
The accuracy of Application on Voiceprint Recognition device 21 vocal print comparison.
Concrete, processing unit 20 also includes sampling detector 28, for entering described digital signal every Preset Time
Row sampling, and sampled signal sampling obtained is transferred to amplitude processor 25 so that amplitude processor 25 is according to described sampling letter
Number difference in magnitude calculate the travel speed of described train and travel direction.By calculating travel speed and the travel direction of train,
And the distance combining Train Approaching carries out reporting early warning, make workmen can learn the speed of train driving, produce the sense of urgency, enter
Row is accurately, quickly withdraw.
Concrete, alarm unit 30 includes sound rendering module 31 and alarm module 32；Sound rendering module 31, is used for
Early warning diagnosis apparatus 26 judges that the distance of described Train Approaching meets default early warning when requiring, the distance of Train Approaching is synthesized report
Alarming information is also transferred to alarm module 32；Alarm module 32, for sending alarm voice according to described warning message.Wherein, sound
The voice of sound synthesis module 31 synthesis is " Train Approaching, distance xx rice, speed xx kilometer." or " uplink/downlink Train Approaching,
Distance xx rice, speed xx kilometer ".Reported to the police by voice broadcast, directly report the travel direction of train, distance and speed, more
Work business personnel are the most effectively reminded to withdraw.
It should be noted that the alarm unit 30 in the present embodiment also includes the alarm lamp not shown in figure, in advance
Alert diagnosis apparatus 26 judges that the distance of described Train Approaching meets default early warning when requiring, 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 is powered.Power supply 50 in this enforcement uses lithium battery, can meet standby and use in more than ten days, and have
There is electricity to show and power shortage prompt facility, work business operating personnel can be reminded in time battery to be charged, prevent because of battery electric quantity
Not enough and cause alarm normally to work.
Shown in Fig. 3, the shell of the train approach warning device that the present embodiment provides is wedge shape, collecting unit 10, place
Reason unit 20 and alarm unit 30 are connected by wire, are arranged in wedge shape shell；It is provided with in the side of wedge shape shell
Magnetic face.By being wedge shape by the enclosure designs of alarm, it is convenient to alarm is inserted in track switch, the most conveniently deploys troops on garrison duty,
Can prevent again track switch from moving and crushing operating personnel；Wedge shape shell arranges magnetic face, can adsorb alarm in rail side
Deploy troops on garrison duty；Alarm can also be arranged on level crossing, carry out reporting early warning.The alarm that the present embodiment provides is in difference
Road construction scene in can carry out easily deploying troops on garrison duty installation and removing, 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 are arranged on outside wedge shape
On the different side of shell.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), processing unit (20), alarm unit
(30)；
Collecting unit (10), for the sound vibration signal of acquisition trajectory and the sound vibration signal collected is transferred to process
Unit (20)；
Processing unit (20), for processing described sound vibration signal, obtains the distance of Train Approaching and speed root
Control signal is exported to drive alarm unit (30) alert according to the distance of described Train Approaching.
2. alarm as claimed in claim 1, it is characterised in that: also include metal inductive switch (40), described metal sense
Inductive switch (40) controls collecting unit (10) when close to rail and starts to gather sound vibration signal.
3. alarm as claimed in claim 1, it is characterised in that: described 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 track collected by collecting unit (10) and shaking of pre-setting
Dynamic signal compares, and obtains sound vibration signal that train travels in orbit and is transferred to preamplifier (22)；
Preamplifier (22), for being amplified by the sound vibration signal that described train travels in orbit, is amplified
After sound vibration signal and be transferred to control amplifier (23)；
Controlling amplifier (23), the sound vibration signal after controlling described amplification exports to analog-digital converter (24)；
Analog-digital converter (24), for being converted to digital signal by the sound vibration signal after described amplification and be transferred at amplitude
Reason device (25)；
Amplitude processor (25), according to the amplitude intensity of described digital signal, calculates the distance of described Train Approaching；
Whether early warning diagnosis apparatus (26), for meeting default early warning requirement according to the distance of described Train Approaching, 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 includes preprocessor
(27)；
Preprocessor (27), the sound vibration signal of the track for being collected by collecting unit (10) carries out pretreatment, filters
Interference information in the sound vibration signal of described track, and pretreated sound vibration signal 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 includes sampling detector
(28), for sampling described digital signal every Preset Time, and sampled signal sampling obtained is transferred to amplitude
Processor (25) so that amplitude processor (25) according to the difference in magnitude of described sampled signal calculate described train travel speed and
Travel direction.
6. alarm as claimed in claim 3, it is characterised in that: described alarm unit (30) includes sound rendering module
And alarm module (32) (31)；
At early warning diagnosis apparatus (26), sound rendering module (31), for judging that the distance of described Train Approaching meets default early warning
During requirement, 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 power supply (50)；
Power supply (50), for powering for collecting unit (10), processing unit (20) and alarm unit (30).
8. the alarm as described in any one of claim 1-6, it is characterised in that described alarm is wedge shape, and side sets
Put magnetic face.
9. alarm as claimed in claim 8, it is characterised in that: on the outer wall of described alarm, handle is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527229.5U CN205819228U (en) | 2016-05-30 | 2016-05-30 | Train approach warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527229.5U CN205819228U (en) | 2016-05-30 | 2016-05-30 | Train approach warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205819228U true CN205819228U (en) | 2016-12-21 |
Family
ID=57567981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620527229.5U Active CN205819228U (en) | 2016-05-30 | 2016-05-30 | Train approach warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205819228U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835908A (en) * | 2016-05-30 | 2016-08-10 | 上海铁路局合肥机务段 | Train approach warning device |
| TWI809814B (en) * | 2022-04-12 | 2023-07-21 | 利陞設備有限公司 | Multi-function alarm system |
| GB2622872A (en) * | 2022-09-30 | 2024-04-03 | Siemens Mobility Ltd | Trackside worker warning method |
-
2016
- 2016-05-30 CN CN201620527229.5U patent/CN205819228U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835908A (en) * | 2016-05-30 | 2016-08-10 | 上海铁路局合肥机务段 | Train approach warning device |
| TWI809814B (en) * | 2022-04-12 | 2023-07-21 | 利陞設備有限公司 | Multi-function alarm system |
| GB2622872A (en) * | 2022-09-30 | 2024-04-03 | Siemens Mobility Ltd | Trackside worker warning method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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 |