CN205769344U - Train approaching prewarning device - Google Patents
Train approaching prewarning device Download PDFInfo
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- CN205769344U CN205769344U CN201620452806.9U CN201620452806U CN205769344U CN 205769344 U CN205769344 U CN 205769344U CN 201620452806 U CN201620452806 U CN 201620452806U CN 205769344 U CN205769344 U CN 205769344U
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- radar
- alarm
- wireless data
- early warning
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- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses a kind of train approaching prewarning device, including rail, radar detedtor assembly and warning devices assembly, radar detedtor assembly includes that radar sensor, radar signal processing unit, wireless data transceiving unit and power supply unit A, radar sensor, radar signal processing unit, wireless data transceiving unit are sequentially connected electrically；Warning devices assembly includes that antenna, wireless data receive unit, alarm and power supply unit B, and antenna, wireless data receive unit, alarm is sequentially connected electrically.This utility model launches signal by radar detedtor assembly and the RST that reflected determines whether that train passes through, this monitoring means is independent of the vehicle radio station on train, all can effectively monitor whether that train passes through when train does not has vehicle radio station or vehicle radio station fault, the most hand-held reception siren has portability, it is possible to reply mobility operation.
Description
Technical field
This utility model relates to train operation security technology area on track, particularly relates to a kind of Train Approaching pre-
Alarm device.
Background technology
In order to ensure train safe operation, need rail track and auxiliary facility are maintained, in order to
Improve efficiency of operation, need to construct when train operation.Therefore, in capital construction, work business, electricity business, supply
Electricity and great Ji Deng department are when circuit construction operation, and driving and personnel are required for carrying out security protection.Install pre-
Alarm device reminds related personnel particularly significant, will prevent train from colliding workmen and cause human casualty accident；
Prevent train from colliding construction, maintenance facility cause traffic safety accident；Prevent urban and rural residents non-because of a variety of causes
People, car wound that method railroad crossing causes stop accident.
2003, the unified planning of the former Ministry of Railways was mounted with vehicle-mounted early warning radio station on locomotive, and this radio station is with necessarily
Distance or time interval launch train travel information (comprising train number, speed and kilometer post data) earthward,
Thus occur in that the portable precaution device realizing Train Approaching early warning based on this running information of reception, but work as train
During upper TAX device data fault, vehicle radio station can not send complete running information, and ground early-warning device is just
Can not correctly judge the position of driving, it is impossible to accurately realize early warning.Even part locomotive is (such as shunter, rail
Road car and engineering truck) not install or not enabled vehicle-mounted early warning radio station, the precaution device causing the above-mentioned type cannot
Work.
To sum up, the weak point that prior art exists is as follows: 1, prior-warning device can not be generally applicable to various feelings
The train of condition；2, prior-warning device fault rate is high；3, prior-warning device installation cost is high, installation difficulty is big, peace
Speed is slow, maintenance cost is high for dress；4, source of early warning does not have portability, it is impossible to reply mobility operation；5、
Early warning wrong report and rate of failing to report are high；6, prior-warning device environmental suitability is poor.
Utility model content
The weak point existed for prior art, the purpose of this utility model is to provide a kind of Train Approaching
Prior-warning device, launch signal by radar detedtor assembly and the RST that reflected judge be
No have train process, and this monitoring means is independent of the vehicle radio station on train, when train do not have vehicle radio station or
All can effectively monitor whether train process during vehicle radio station fault, the most hand-held reception siren has portable
Property, it is possible to reply mobility operation.
The purpose of this utility model is achieved through the following technical solutions:
A kind of train approaching prewarning device, including rail, radar detedtor assembly and warning devices assembly, institute
State radar detedtor assembly include radar sensor, radar signal processing unit, wireless data transceiving unit and
Power supply unit A, said supply unit A respectively with radar sensor, radar signal processing unit, wireless data
Transmit-Receive Unit electrically connects, and radar sensor, radar signal processing unit, wireless data transceiving unit are the most electric
Connecting, power supply unit A is radar sensor, radar signal processing unit, wireless data transceiving unit provide
Required electric energy；Radar sensor runs into, with receiving, the signal that object reflects for launching signal to rail,
Described radar signal processing unit is for running into what object reflected according to the signal launched and this signal
Signal judges whether to have on rail object, and whether wireless data transceiving unit will exist object on rail
And early warning information by wireless network or/and cable network is sent out the network information；
Described warning devices assembly includes that antenna, wireless data receive unit, alarm and power supply unit B, supplies
Electric unit B receives unit, alarm electrically connect with antenna, wireless data respectively, power supply unit B be antenna,
Wireless data receives unit, alarm provides required electric energy, and described antenna, wireless data receive unit, report
Alert device is sequentially connected electrically；Described antenna and wireless data receive unit and come from wireless by wireless network reception
This early warning information is also transmitted to alarm by the early warning information of data transceiving unit, and alarm is used for receiving early warning
Sound, the dual alarm of light is sent immediately after information.
It is micro-that radar sensor of the present utility model transmitting and the signal frequency range received are 9GHz～90GHz
Ripple and millimeter wave frequency band.The preferred radar sensor of this utility model be 24GHz or 77GHz frequency range microwave (or
Person's millimeter wave) radar sensor, it is possible to select the radar of 10GHz, 35GHz or other frequency range as required
Sensor.
This train approaching prewarning device also includes early warning information transmitting element and hand-held reception siren, described pre-
Alarming information transmitting element is for being sent out network early warning information, described hands by early warning information by wireless network
Hold reception siren and include that reception of wireless signals unit and alarm unit, reception of wireless signals unit are used for receiving
Early warning information is also transmitted to alarm unit, alarm list by early warning information that early warning information transmitting element sends over
Unit is used for receiving triggering sound, the dual alarm of light after early warning information.
Radar detedtor group quantity of the present utility model and to arrange position as follows: described radar detedtor assembly
Quantity be two (in particular cases may select single or multiple), two radar detedtor assemblies are fixed respectively
On two contact net columns of rail side or in two vertical rods, and two radar detedtor assemblies divide
Other places are in the uplink and downlink position of rail train traffic direction, and warning devices assembly is arranged at two radars and visits
Survey between device assembly.Meanwhile, warning devices assembly can also be fixed on two contact net columns of rail side
Go up or in two vertical rods.
As preferably, the spacing between described radar detedtor assembly and warning devices assembly is 0.8～1.5km.
As preferably, described warning devices assembly is arranged at fixed protection point or the mobile construction point position of rail.
This utility model compared with the prior art, has the following advantages and beneficial effect:
(1) radar detedtor assembly of the present utility model is by the Doppler effect that causes during monitoring approaching train
Or whether have change by the distance between FMCW, FSK and pulse mode monitoring radar detedtor assembly and train
Changing, verified whether train process, this monitoring means is independent of the vehicle radio station on train, when train does not has
All can monitor whether when vehicle radio station or vehicle radio station fault that train passes through.
(2) this utility model use microwave (or millimeter wave) radar train is detected, not by high light,
The weather impacts such as sleet, dense fog and sand and dust, are avoided that the situation occurring failing to report and report by mistake, have both improve early warning
Effective percentage, reduces again cost.
(3) this utility model can use two set radar detedtor assemblies and the two set alarm dresses of setting back-to-back
Putting assembly, so can expand monitoring range, whether the both direction that can simultaneously monitor a plurality of rail sends a car.
(4) this utility model by radar detedtor assembly or/and warning devices assembly is installed on contact net column
On；During mobility application, foot rest or other mode being easy to temporarily fix is used to be placed in circuit side, no
Delay train operation and railway operation, convenient, fast time mobile, it is particularly well-suited to illegal crossings circuit behavior
Take place frequently section, fixing section and the security protection of mobility construction operation, has that installation cost is low, dimension simultaneously
The advantage protecting low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment one；
Fig. 2 is the theory structure block diagram of radar detedtor component detection object；
Fig. 3 is the theory structure block diagram that warning devices assembly received and sent alarm.
Fig. 4 is the structural representation of this utility model embodiment two.
Wherein, entitled corresponding to the reference in accompanying drawing:
1-rail, 2-radar detedtor assembly, 3-warning devices assembly, 4-object, 5-radar passes
Sensor, 6-radar signal processing unit, 7-wireless data transceiving unit, 8-antenna, 9-wireless data receives
Unit, 10-alarm, 11-early warning information transmitting element.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail:
Embodiment one
As shown in FIG. 1 to 3, a kind of train approaching prewarning device, including rail 1, radar detedtor assembly
2 and warning devices assembly 3, as it is shown on figure 3, radar detedtor assembly 2 includes radar sensor 5, radar
Signal processing unit 6, wireless data transceiving unit 7 and power supply unit A, power supply unit A passes with radar respectively
Sensor 5, radar signal processing unit 6, wireless data transceiving unit 7 electrically connect, radar sensor 5, thunder
Reach signal processing unit 6, wireless data transceiving unit 7 is sequentially connected electrically, and power supply unit A is radar sensor
5, radar signal processing unit 6, wireless data transceiving unit 7 provide required electric energy.Radar sensor 5 is used
The signal that object 4 reflects, radar signal processing unit 6 is run into receiving in launching signal to rail 1
Rail 1 is judged for running into, according to the signal launched and this signal, the signal that object 4 reflects
Whether having object 4 and the translational speed of object 4 and direction, wireless data transceiving unit 7 is by rail 1
On whether exist object 4, object 4 translational speed and direction and early warning information by wireless network or/
It is sent out the network information with cable network.
As it is shown on figure 3, warning devices assembly 3 includes that antenna 8, wireless data receive unit 9, alarm 10
Receive unit 9 with antenna 8, wireless data respectively with power supply unit B, power supply unit B, alarm 10 is electrically connected
Connecing, power supply unit B is antenna 8, wireless data receives unit 9, alarm 10 provides required electric energy, sky
Line 8, wireless data receive unit 9, alarm 10 is sequentially connected electrically；Antenna 8 and wireless data receive single
Unit 9 is received by wireless network and comes from the early warning information of wireless data transceiving unit 7 and by this early warning information
Transmission is to alarm 10, and alarm 10 sends sound, the dual alarm of light immediately after being used for receiving early warning information.
Radar sensor 5 of the present utility model is launched and the signal frequency range that receives is 9GHz～90GHz
Microwave and millimeter wave frequency band；The radar sensor 5 of the present embodiment be operated in 24GHz K-band (K-band
24GHz signal frequency), it is launched and the signal frequency of reception is 24.050～24.250GHz.
This train approaching prewarning device also includes early warning information transmitting element 11 and hand-held reception siren, early warning
Information transmitting unit 11, for by wireless network early warning information is sent out network early warning information, hand-held connects
Receive siren and include that reception of wireless signals unit and alarm unit, reception of wireless signals unit are used for receiving early warning
Early warning information is also transmitted to alarm unit, alarm unit by early warning information that information transmitting unit 11 sends over
Triggering sound, the dual alarm of light after receiving early warning information.
As it is shown in figure 1, the quantity of radar detedtor assembly 2 is two, two radar detedtor assemblies 2 points
It is not fixed on two contact net columns of rail 1 sidepiece or in two vertical rods, and two radar detections
Device assembly 2 is respectively at the uplink and downlink position of rail 1 current of traffic, and warning devices assembly 3 sets
It is placed between two radar detedtor assemblies 2.Meanwhile, warning devices assembly 3 can also be fixed on track side
On two contact net columns in portion or in two vertical rods.
Spacing between the present embodiment preferred radar detedtor assembly 2 and warning devices assembly 3 be 0.8～
1.5km。
The warning devices assembly 3 of the present embodiment is arranged at fixed protection point or the mobile construction point position of rail 1.
The train approaching prewarning device operation principle of the present embodiment is as follows:
Radar sensor 5 is operated in CW (i.e. continuous wave) pattern, and it launches CW signal (i.e. continuously to rail 1
Continuous wave signal), when there is no train (i.e. object 4) on rail 1 through out-of-date, Doppler will not be caused to imitate
Should, there is not difference on the frequency between echo-signal and the transmitting signal of stationary object reflection；When having row on rail 1
Through out-of-date, the train of movement can cause Doppler effect to car (i.e. object 4) so that train (i.e. object
4) signal reflected and radar sensor 5 launch generation difference on the frequency (i.e. Doppler frequency) between signal, this
Time radar signal processing unit 6 can detect that the IF signal (intermediate-freuqncy signal) that radar sensor 5 exports exists
Doppler frequency, can judge have train to believe through (can also measure train translational speed and direction), radar
Number processing unit 6 will send early warning information to wireless data transceiving unit 7, and wireless data transceiving unit 7 will
There is the information of train process by wireless network or/and cable network is sent out the network information on rail 1.Alert
The antenna 8 of reporting device assembly 3 and wireless data reception unit 9 are received to be received by wireless network and come from nothing
The early warning information (having the information of train process) of line data transceiving unit 7, and this early warning information is transferred to report
In alert device 10, alarm 10 sends sound, the dual alarm of light immediately after receiving early warning information.Warning devices
Early warning information (having the information of train process) can also be passed through by the early warning information transmitting element 11 in assembly 3
Wireless network is sent out network early warning information, and hand-held reception siren is small-sized siren, and hand-held reception is alert
Report device is worn or is positioned over maintainer or maintenance personnel, and hand-held reception siren includes that wireless signal connects
Receiving unit and alarm unit, the reception of wireless signals unit of hand-held reception siren receives early warning information and sends single
Early warning information is also transmitted to alarm unit by first 11 early warning information sended over, and alarm unit receives early warning letter
After breath, triggering sound, the dual alarm of light, the most each maintainer or maintenance personnel can in time, independently
Receive alarm signal, it is ensured that each maintainer or the life security of maintenance personnel.
Embodiment two
As shown in Fig. 1～Fig. 2, Fig. 4, a kind of train approaching prewarning device, including rail 1, radar detection
Device assembly 2 and warning devices assembly 3, as it is shown on figure 3, radar detedtor assembly 2 include radar sensor 5,
Radar signal processing unit 6, wireless data transceiving unit 7 and power supply unit A, power supply unit A respectively with thunder
Reach sensor 5, radar signal processing unit 6, wireless data transceiving unit 7 electrically connect, radar sensor 5,
Radar signal processing unit 6, wireless data transceiving unit 7 are sequentially connected electrically, and power supply unit A is radar sensing
Device 5, radar signal processing unit 6, wireless data transceiving unit 7 provide required electric energy.Radar sensor 5
The signal that object 4 reflects, Radar Signal Processing list is run into receiving for launching signal to rail 1
Unit 6 judges rail 1 for running into, according to the signal launched and this signal, the signal that object 4 reflects
On whether have object 4 and the distance of object 4, wireless data transceiving unit 7 by rail 1 whether
Exist object 4, object 4 range information and early warning information by wireless network or/and cable network to
Outgoing SCN Space Cable Network information.As it is shown on figure 3, warning devices assembly 3 includes that antenna 8, wireless data receive unit
9, alarm 10 and power supply unit B, power supply unit B respectively with antenna 8, wireless data receive unit 9,
Alarm 10 electrically connects, and power supply unit B is antenna 8, wireless data receives unit 9, alarm 10 provides
Required electric energy, antenna 8, wireless data receive unit 9, alarm 10 is sequentially connected electrically；Antenna 8 and nothing
Line data receipt unit 9 is received by wireless network and comes from the early warning information of wireless data transceiving unit 7 also
Transmitting this early warning information to alarm 10, alarm 10 sends sound, light after being used for receiving early warning information immediately
Dual alarm.The radar sensor 5 of the present embodiment is operated in 24GHz K-band, its letter launched and receive
Number frequency is 24.050～24.250GHz.
This train approaching prewarning device also includes early warning information transmitting element 11 and hand-held reception siren, early warning
Information transmitting unit 11, for by wireless network early warning information is sent out network early warning information, hand-held connects
Receive siren and include that reception of wireless signals unit and alarm unit, reception of wireless signals unit are used for receiving early warning
Early warning information is also transmitted to alarm unit, alarm unit by early warning information that information transmitting unit 11 sends over
Triggering sound, the dual alarm of light after receiving early warning information.
As it is shown in figure 1, the quantity of radar detedtor assembly 2 is two, two radar detedtor assemblies 2 points
It is not fixed on two contact net columns of rail 1 sidepiece or in two vertical rods, and two radar detections
Device assembly 2 is respectively at the uplink and downlink position of rail 1 current of traffic, and warning devices assembly 3 sets
It is placed between two radar detedtor assemblies 2.Meanwhile, warning devices assembly 3 can also be fixed on track side
On two contact net columns in portion or in two vertical rods.The present embodiment preferred radar detedtor assembly 2 with
Spacing between warning devices assembly 3 is 0.8～1.5km.The warning devices assembly 3 of the present embodiment is arranged at
The fixed protection point of rail 1 or mobile construction point position.
When needs further expand detection range, as shown in Figure 4, as at multi-thread section (i.e. shown in Fig. 4
Article four, railroad track is close to each other or is arranged side by side) simultaneously detection four or Above Transmission Lines whether send a car, can make
Overlap back-to-back radar detedtor assembly 2 with two (often to overlap back-to-back radar detedtor assembly 2 and include two back ofs the body
The radar detedtor assembly 2 of backrest) and two overlap back-to-back warning devices assemblies 3 (often overlap back-to-back police
Reporting device assembly 3 includes two back-to-back warning devices assemblies 3) train that meets four railroad tracks connects
Nearly early warning detection and warning, its structure, operation principle and the enforcement being provided without back-to-back radar detedtor assembly
Example (such as embodiment one) is identical.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (6)
1. train approaching prewarning device, including rail (1), it is characterised in that: also include radar detedtor group
Part (2) and warning devices assembly (3), described radar detedtor assembly (2) include radar sensor (5),
Radar signal processing unit (6), wireless data transceiving unit (7) and power supply unit A, said supply unit
A respectively with radar sensor (5), radar signal processing unit (6), wireless data transceiving unit (7) electricity
Connecting, radar sensor (5), radar signal processing unit (6), wireless data transceiving unit (7) are successively
Electrical connection, power supply unit A is radar sensor (5), radar signal processing unit (6), wireless data receipts
Bill unit (7) provides required electric energy；Radar sensor (5) is for launching signal and reception to rail (1)
Running into the signal that object (4) reflects, described radar signal processing unit (6) is for according to transmitting
Signal and this signal run into the signal that object (4) reflects judges whether have on rail (1)
Object (4), wireless data transceiving unit (7) by whether exist on rail (1) object (4) and
Early warning information by wireless network or/and cable network is sent out the network information；
Described warning devices assembly (3) includes that antenna (8), wireless data receive unit (9), alarm (10)
Unit (9), alarm (10) is received with antenna (8), wireless data respectively with power supply unit B, power supply unit B
Electrical connection, power supply unit B is antenna (8), wireless data receives unit (9), alarm (10) provides
Required electric energy, described antenna (8), wireless data receive unit (9), alarm (10) is sequentially connected electrically；
Described antenna (8) and wireless data receive unit (9) and come from wireless data receipts by wireless network reception
The early warning information of bill unit (7) and by the transmission of this early warning information to alarm (10), alarm (10) is used
Sound, the dual alarm of light is sent immediately after receiving early warning information.
2. according to the train approaching prewarning device described in claim 1, it is characterised in that: described radar senses
Device (5) is launched and the signal frequency range that receives is 9GHz～90GHz microwave and millimeter wave frequency band.
3. according to the train approaching prewarning device described in claim 1 or 2, it is characterised in that: also include pre-
Alarming information transmitting element (11) and hand-held reception siren, described early warning information transmitting element (11) is used for
By wireless network, early warning information is sent out network early warning information, and described hand-held reception siren includes nothing
Line signal receiving unit and alarm unit, reception of wireless signals unit is used for receiving early warning information transmitting element
(11) early warning information is also transmitted to alarm unit by the early warning information that sends over, and alarm unit is used for receiving
Triggering sound, the dual alarm of light after early warning information.
4. according to the train approaching prewarning device described in claim 1, it is characterised in that: described radar detection
The quantity of device assembly (2) is two, and two radar detedtor assemblies (2) are individually fixed in rail (1) side
On two contact net columns in portion or in two vertical rods, and two radar detedtor assemblies (2) are located respectively
In the uplink and downlink position of rail (1) current of traffic, warning devices assembly (3) is arranged at two
Between radar detedtor assembly (2).
5. according to the train approaching prewarning device described in claim 1 or 4, it is characterised in that: described radar
Spacing between detector assembly (2) and warning devices assembly (3) is 0.8～1.5km.
6. according to the train approaching prewarning device described in claim 5, it is characterised in that: described warning devices
Assembly (3) is arranged at fixed protection point or the mobile construction point position of rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620452806.9U CN205769344U (en) | 2016-05-19 | 2016-05-19 | Train approaching prewarning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620452806.9U CN205769344U (en) | 2016-05-19 | 2016-05-19 | Train approaching prewarning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205769344U true CN205769344U (en) | 2016-12-07 |
Family
ID=58119023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620452806.9U Expired - Fee Related CN205769344U (en) | 2016-05-19 | 2016-05-19 | Train approaching prewarning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205769344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609035A (en) * | 2018-06-19 | 2018-10-02 | 天津七二通信广播股份有限公司 | The Train Approaching early warning system and implementation method of LoRa combination radar detections |
| CN115550920A (en) * | 2021-06-30 | 2022-12-30 | 中国移动通信有限公司研究院 | Object recognition method, node and computer readable storage medium |
-
2016
- 2016-05-19 CN CN201620452806.9U patent/CN205769344U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609035A (en) * | 2018-06-19 | 2018-10-02 | 天津七二通信广播股份有限公司 | The Train Approaching early warning system and implementation method of LoRa combination radar detections |
| CN115550920A (en) * | 2021-06-30 | 2022-12-30 | 中国移动通信有限公司研究院 | Object recognition method, node and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200519 |