CN202703633U - Train early-warning system based on tunnel piston wind - Google Patents
Train early-warning system based on tunnel piston wind Download PDFInfo
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- CN202703633U CN202703633U CN 201220376969 CN201220376969U CN202703633U CN 202703633 U CN202703633 U CN 202703633U CN 201220376969 CN201220376969 CN 201220376969 CN 201220376969 U CN201220376969 U CN 201220376969U CN 202703633 U CN202703633 U CN 202703633U
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Abstract
The utility model discloses a train early-warning system based on tunnel piston wind, which relates to the technical field of rail transit, and solves the technical problem of improving the safety of a train in a tunnel. The train early-warning system comprises a plurality of wind speed early-warning units which are respectively mounted on each train, wherein each wind speed early-warning unit comprises a wireless signal receiving and transmitting device, signal control processing equipment, and at least one wind speed measuring device; and the system can detect the speed of wind behind the train by using the wind speed measuring device, and can timely pre-warn another train behind the train by using the wireless signal receiving and transmitting device when the detected wind speed is abnormal. The train early-warning system based on tunnel piston wind provided by the utility model is especially suitable for application in urban subway lines.
Description
Technical field
The utility model relates to the track traffic technology, particularly relates to a kind of technology of the train forewarn system based on the tunnel Piston Action Wind.
Background technology
Comprise the track vehicle of urban railway transit train in case knock into the back or the collision case such as head-on collision, can cause serious Loss of Life and property; When especially crashing in the tunnel, the rescue of accident and processing be extremely inconvenience all, therefore the harm and the impact that more increase the weight of to get over and bring.
At present, most countries all adopts train operation control (Train Control System, TCS, or for the Automatic Train Control of subway line, ATC) system guarantees the safe in operation of train, to avoid the train collision accident to occur, although its technical development and application are very ripe, yet the nearest more than ten years, the train safe accident still happens occasionally, especially in recent years the serious subway train from overtaking collision accident that occurs in various countries showed: based on signal with communicate by letter (Signaling and Communication) though the tight complexity of the train operation control system of technology, but the unfavorable factor of any outside and the defective of system all may cause entire system or partial failure, perhaps force system to be degraded to the low standby mode of safety factor, then increase train collision accident odds.
In view of present train collision accident still happens occasionally, person skilled is when improving the existing system safety measure, also in the exploitation of carrying out the new train anti-collision technique that is independent of existing safety measure, comprise the technology such as satellite positioning (Satellite Based Positioning), image recognition (Image Recognition), collision avoidance radar (Anti-Crash/Collision Radar), and utilize the advantage of single technology and integrated collision avoidance system.
Existing train anti-collision technique all is based on the electromagnetic wave sensing, surveys the anti-collision technique of mechanism, the defective of this class technology is, when the train circuit is in the tunnel, anti-collision technique based on electromagnetic wave sensing, detection mechanism all can not effectively play a role, for long-play for the subway train in the long distance tunnel, its defective is especially obvious, is mainly manifested in:
1) in the tunnel, especially in the long distance tunnel, train can't utilize electromagnetic wave directly to set up with the relaying (such as satellite) of outside, tunnel and communicate by letter;
2) effects limit such as the curvature in tunnel and narrow space the EFFECTIVE RANGE of vehicle-mounted image-sensing method;
3) because the impact of inner facility and the restriction in space in the tunnel, the medium high frequency electromagnetic wave attenuation is fast in the tunnel, echo is complicated, and subway line has the heave and set gradient and bend, cause detection blind area, thereby electromagnetic radar can't be brought into play useful effect in the tunnel.
This shows, the effect of existing train anti-collision technique in the tunnel is not good, especially driving safety that substantially can't the Effective Raise train in non-straight long distance tunnel can not well avoid the train collision accident to occur, and the effect in subway line is relatively poor.
Summary of the invention
For the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides a kind of train forewarn system based on the tunnel Piston Action Wind that can improve the driving safety of train in the tunnel.
In order to solve the problems of the technologies described above, a kind of train forewarn system based on the tunnel Piston Action Wind provided by the utility model, relate to the train traffic network that includes many trains, it is characterized in that: comprise a plurality of wind speed prewarning unit consistent with train quantity in the train traffic network, the corresponding train of each wind speed prewarning unit;
Described wind speed prewarning unit comprises a wind speed measuring device for detection of wind speed, a wireless signal transceiver, a signal control treatment facility, a terminal of warning, and each wind speed prewarning unit is installed on the corresponding train;
Described wireless signal transceiver is provided with transmitting data input end, receive data mouth;
Described signal control treatment facility is provided with data acquisition end, rear car early warning signal mouth, front truck early warning signal input end, this car early warning signal mouth, and be built-in with signal processing module for the treatment of air speed data, its data acquisition termination wind speed measuring device, the transmitting data input end of thereafter car early warning signal output termination wireless signal transceiver, the receive data mouth of its front truck early warning signal input termination wireless signal transceiver, its early warning signal output termination terminal of warning.
Further, the described terminal of warning is installed in the operator's compartment of corresponding train, and the terminal of warning is provided with the information generation part of warning.
Further, this car early warning signal mouth of described signal control treatment facility accesses brake system and/or the automatic operational protection system of corresponding train.
Further, described wind speed prewarning unit also comprises a power equipment supply, be built-in with uninterrupted power supply (UPS) in the described power equipment supply, the power input of described uninterrupted power supply (UPS) is received the power supply mouth of corresponding train, and its feeder ear is received the power input of these each parts of unit.
Further, described wind speed measuring device is the speed mode anemoscope, or the pressure type anemoscope.
The train forewarn system based on the tunnel Piston Action Wind that the utility model provides, the Piston Action Wind that utilizes wind speed measuring device to detect the back car generation is judged the risk that knocks into the back, and in good time backward car export unidirectional alarm command, do not rely on existing signal, communication waits relevant device and system, has very strong independence, and because command content is simple, the radiowave or the sound wave that transmit instruction can adopt curve-straight line propagation and the low frequency range of rate of attenuation in all kinds of tunnels, playing long distance under normal operation or emergency rating warns, the Anti-bumping protection effect, thus knock into the back risk and the loss of train in the tunnel reduced; Relatively existing train anti-collision early warning technology has advantages of that application cost is low, simple and reliable, compatible good; System and device is fully vehicle-mounted thereby need hardly circuit is done extra construction and maintenance, and electric power, signal and the communication system of existing line do not produced interference, and personnel without any injury, are particularly suitable for using in the city underground circuit.
Description of drawings
Fig. 1 is that the utility model embodiment is based on the structural representation of the train forewarn system of tunnel Piston Action Wind;
Fig. 2 is that the utility model embodiment is based on the structural representation of the wind speed prewarning unit in the train forewarn system of tunnel Piston Action Wind;
Fig. 3 is that the utility model embodiment is based on the first method for early warning diagram of circuit of the train forewarn system of tunnel Piston Action Wind;
Fig. 4 is that the utility model embodiment is based on the second method for early warning diagram of circuit of the train forewarn system of tunnel Piston Action Wind.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
Such as Fig. 1-shown in Figure 2, a kind of train forewarn system based on the tunnel Piston Action Wind that the utility model embodiment provides, relate to the train traffic network that includes many trains 1, it is characterized in that: comprise a plurality of wind speed prewarning unit consistent with train 1 quantity in the train traffic network, the corresponding train 1 of each wind speed prewarning unit;
Described wind speed prewarning unit comprises a wind speed measuring device 2 for detection of wind speed, a wireless signal transceiver 3, a signal control treatment facility 4, a terminal 5 of warning, and each wind speed prewarning unit is installed on the corresponding train 1;
Described wireless signal transceiver is provided with transmitting data input end, receive data mouth;
Described signal control treatment facility is provided with data acquisition end, rear car early warning signal mouth, front truck early warning signal input end, this car early warning signal mouth, and be built-in with signal processing module for the treatment of air speed data, its data acquisition termination wind speed measuring device, the transmitting data input end of thereafter car early warning signal output termination wireless signal transceiver, the receive data mouth of its front truck early warning signal input termination wireless signal transceiver, its early warning signal output termination terminal of warning.
Among the utility model embodiment, the described terminal of warning is installed in the operator's compartment of corresponding train, and the terminal of warning is provided with the information generation part of warning.
The described information generation part of warning comprises the sound generation part (such as buzzer phone) of warning, warn light generation part (such as telltale lamp), the read-out of warning, and the sound generation part of warning of the terminal of warning, the light generation part of warning, the read-out of warning are respectively received the signal input part of warning of the terminal of warning through the circuit of warning.
Among the utility model embodiment, this car early warning signal mouth of described signal control treatment facility accesses brake system and/or the automatic operational protection system of corresponding train.
Among the utility model embodiment, described wind speed prewarning unit also comprises a power equipment supply, be built-in with uninterrupted power supply (ups) Unity in the described power equipment supply, the power input of described uninterrupted power supply (UPS) is received the power supply mouth of corresponding train, and its feeder ear is received the power input of these each parts of unit.
Among the utility model embodiment, described wireless signal transceiver is prior art, can adopt the wireless signal transceiver of both radio signals transmission-receiving function, as have the radio transceiver of radio signal transmission-receiving function concurrently, also can adopt the separate wireless signal transceiver of emission part and acceptance division, as being combined by a transmitting set and a radio receiver, or combined by a pinger and an acoustic receiver, when adopting the separate wireless signal transceiver of emission part and acceptance division, preferably emission part is installed in the train tailstock, acceptance division is installed in train head.
Among the utility model embodiment, described wind speed measuring device is prior art, it is the sensing device for measuring wind, can be temperature-sensitive anemograph, wheel rotor formula anemograph, acoustics formula anemograph, wind-cup type wind-cup type constant velocity formula anemoscope, also can be tubular type anemoscope, surface pressure sensor pressure type anemoscope.
Among the utility model embodiment, described signal control treatment facility is micro controller system, and the circuit of warning in the described terminal of warning is prior art.
As shown in Figure 3, the first method for early warning based on the train forewarn system of tunnel Piston Action Wind that provides of the utility model embodiment is as follows:
Each train is all when travelling at a slow speed or stopping, utilize wind speed measuring device to detect the wind speed of the wind comes from the train rear, and the air speed value of the wind comes from the train rear that detects is input to the signal control treatment facility analyzes judgement, surpass the survival wind speed threshold value if judge the air speed value of the train rear that detects the wind comes from, or the air speed value of the wind comes from the train rear that continues to detect strengthens gradually, the signal control treatment facility namely by wireless signal transceiver to wireless alarming signal of train rear emission;
Each train all utilizes wireless signal transceiver to receive the wireless alarming signal of the place ahead train emission, and behind the wireless alarming signal of receiving the place ahead train emission, be input to the signal control treatment facility and analyze judgement, if judging the wireless alarming signal of receiving is sent by front truck, the signal control treatment facility is namely to this car terminal output early warning signal of warning, make the terminal of warning send the information of warning, and to the brake system of this car output speed-slackening signal, make the brake system of this car implement brake operating to this car, or to the protection system of this car output restricting signal, make the protection system of this car implement the speed limit operation to this car;
Described survival wind speed threshold value is by the predefined fixed value of signal control treatment facility, or advances the variate-value that speed gauge calculates by the signal control treatment facility according to predefined fixed value and this garage;
The described information of warning comprises the sound of warning (such as the buzzer of buzzer phone), the light of warning (such as the telltale lamp flicker), the literal of warning and/or the pattern of warning.
As shown in Figure 4, the second method for early warning based on the train forewarn system of tunnel Piston Action Wind that provides of the utility model embodiment is as follows:
Each train is all when travelling at a slow speed or stopping, utilize wind speed measuring device to detect the wind speed of the wind comes from the train rear, and the air speed value of the wind comes from the train rear that detects is input to the signal control treatment facility analyzes judgement, surpass the survival wind speed threshold value if judge the air speed value of the train rear that detects the wind comes from, or the air speed value of the wind comes from the train rear that continues to detect strengthens gradually, the signal control treatment facility namely by wireless signal transceiver to wireless alarming signal of train rear emission, include the real-time air speed value of the wind comes from the train rear that detects in this wireless alarming signal;
Travel air speed value and be input to the storage of signal control treatment facility of this car when each train all utilizes wind speed measuring device to detect this car to travel;
Each train all utilizes wireless signal transceiver to receive the wireless alarming signal of the place ahead train emission, and behind the wireless alarming signal of receiving the place ahead train emission, be input to the signal control treatment facility and analyze judgement, if judging the wireless alarming signal of receiving is sent by front truck, then the signal control treatment facility is first with the real-time air speed value in the wireless alarming signal of receiving, compare with this garage sailing speed history value of storing, estimate the spacing between Ben Che and the front truck, if the spacing between this car that estimates and the front truck is less than the safety distance threshold value, namely to this car terminal output early warning signal of warning, make this car terminal of warning send the information of warning, and to the brake system of this car output speed-slackening signal, make the brake system of this car implement brake operating to this car, or to the protection system of this car output restricting signal, make the protection system of this car implement the speed limit operation to this car;
Described safety distance threshold value is by the predefined fixed value of signal control treatment facility, or advances the variate-value that speed gauge calculates by the signal control treatment facility according to predefined fixed value and this garage.
Claims (5)
1. train forewarn system based on the tunnel Piston Action Wind, relate to the train traffic network that includes many trains, it is characterized in that: comprise a plurality of wind speed prewarning unit consistent with train quantity in the train traffic network, the corresponding train of each wind speed prewarning unit;
Described wind speed prewarning unit comprises a wind speed measuring device for detection of wind speed, a wireless signal transceiver, a signal control treatment facility, a terminal of warning, and each wind speed prewarning unit is installed on the corresponding train;
Described wireless signal transceiver is provided with transmitting data input end, receive data mouth;
Described signal control treatment facility is provided with data acquisition end, rear car early warning signal mouth, front truck early warning signal input end, this car early warning signal mouth, and be built-in with signal processing module for the treatment of air speed data, its data acquisition termination wind speed measuring device, the transmitting data input end of thereafter car early warning signal output termination wireless signal transceiver, the receive data mouth of its front truck early warning signal input termination wireless signal transceiver, its early warning signal output termination terminal of warning.
2. the train forewarn system based on the tunnel Piston Action Wind according to claim 1, it is characterized in that: the described terminal of warning is installed in the operator's compartment of corresponding train, and the terminal of warning is provided with the information generation part of warning.
3. the train forewarn system based on the tunnel Piston Action Wind according to claim 1 is characterized in that: this car early warning signal mouth of described signal control treatment facility accesses the brake system of corresponding train and/or automatic operational protection system.
4. the train forewarn system based on the tunnel Piston Action Wind according to claim 1, it is characterized in that: described wind speed prewarning unit also comprises a power equipment supply, be built-in with uninterrupted power supply (UPS) in the described power equipment supply, the power input of described uninterrupted power supply (UPS) is received the power supply mouth of corresponding train, and its feeder ear is received the power input of these each parts of unit.
5. the train forewarn system based on the tunnel Piston Action Wind according to claim 1, it is characterized in that: described wind speed measuring device is the speed mode anemoscope, or the pressure type anemoscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376969 CN202703633U (en) | 2012-07-31 | 2012-07-31 | Train early-warning system based on tunnel piston wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376969 CN202703633U (en) | 2012-07-31 | 2012-07-31 | Train early-warning system based on tunnel piston wind |
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| Publication Number | Publication Date |
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| CN202703633U true CN202703633U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220376969 Expired - Fee Related CN202703633U (en) | 2012-07-31 | 2012-07-31 | Train early-warning system based on tunnel piston wind |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745211A (en) * | 2012-07-31 | 2012-10-24 | 上海中科高等研究院 | Train pre-warning system and pre-warning method based on tunnel piston wind |
| CN110155120A (en) * | 2018-01-29 | 2019-08-23 | 河南工程学院 | A kind of subway tunnel safety detection early warning system |
-
2012
- 2012-07-31 CN CN 201220376969 patent/CN202703633U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745211A (en) * | 2012-07-31 | 2012-10-24 | 上海中科高等研究院 | Train pre-warning system and pre-warning method based on tunnel piston wind |
| CN102745211B (en) * | 2012-07-31 | 2015-03-04 | 中国科学院上海高等研究院 | Train pre-warning system and pre-warning method based on tunnel piston wind |
| CN110155120A (en) * | 2018-01-29 | 2019-08-23 | 河南工程学院 | A kind of subway tunnel safety detection early warning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ADVANCED RESEARCH INSTITUTE, CHINESE ACAD Free format text: FORMER OWNER: SHANGHAI ZHONGKE INSTITUTE FOR ADVANCED STUDY Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 200000 Shanghai city Pudong New Area Hartcourt Road No. 99 Patentee after: Shanghai Advanced Research Institute, Chinese Academy of Sciences Patentee after: Institute of acoustics, Chinese Academy of Sciences Address before: 200000 Shanghai Zhangjiang High Tech Park of Pudong New Area Hartcourt Road No. 99 Patentee before: Shanghai Zhongke Institute for Advanced Study Patentee before: Institute of acoustics, Chinese Academy of Sciences |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20160731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |