CN1202973C - Digital crossing safety early warning device for railway crossing and its method - Google Patents
Digital crossing safety early warning device for railway crossing and its method Download PDFInfo
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- CN1202973C CN1202973C CN 03157548 CN03157548A CN1202973C CN 1202973 C CN1202973 C CN 1202973C CN 03157548 CN03157548 CN 03157548 CN 03157548 A CN03157548 A CN 03157548A CN 1202973 C CN1202973 C CN 1202973C
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Abstract
The present invention discloses a digital crossing safety early warning device for railway crossings, and an early warning method thereof. The early warning device of the present invention can carry out wireless communication with a train running on railways; the early warning device uses a digital comprehensive station to work; the early warning device is used for receiving an approach signal transmitted by the train and transmitting information relevant to a crossing condition to the train. The early warning device has a digital working mode; the frequency band of the early warning device for executing wireless transmission and reception is different from the frequency band of a wireless line modulation. Because the digital station has a far transmission distance, high speed and a low error code rate and an interface is a standard interface, the early warning device solves the problems of same frequency interference and wireless line modulation interference so that data transmission between the train and an approach crossing realizes high reliability.
Description
Technical field
The present invention relates to a kind of level crossing equipment and method of work thereof, it is used for receiving the early warning signal that running train sends during near the road junction at train, and can send the alerting signal of relevant road junction situation to operating train.
Background technology
The safety of level crossing relate to safety of railway traffic with individual outstanding problem, the quantity of the annual traffic accident that takes place in the level crossing is very big, along with improving constantly of railroad train running velocity, the accident rate of level crossing rises more notablely.In addition, during owing to railway, telecommunication and signaling branch operation on the line, protected personnel can not immediately be found the train near operation field, so also train operation accident may take place.For this reason, a lot of intersection alarm devices or autoalarm have appearred in the prior art, as at patent document CN 2111905 U (Zhang Dehui), all disclose a kind of crossing alarm device among CN 2167912 Y (Shaoguan Iron ﹠ Steel Plant) and the CN 1358147A (Siemens Company), in the disclosed art scheme of these files, on the circuit of distance road junction certain distance, sensor is set, when having triggered these sensors, sends by train the skill alerting signal, but such warning device begins to report to the police in the time of can only working as train arrival certain distance, and the multidate information of relevant train operation can't be provided.The intersection alarm device of less radio-frequency type is disclosed in prior art file CN 2106764U (Huang Fuxia), EP 1118522A (Siemens Company) and JP 2001-328535 (RAILWAY TECHNICAL RES INST), the road junction automatic monitoring system that has also occurred some microwave type in the existing engineering practice, but these devices or system are owing to adopt the analog operation pattern, the quantity of information deficiency that system can provide, and poor reliability, the cost height.
In addition, existing level crossing adopts the track circuit mode to gather train-approach signal, and carries out alert notice with the frequency range of the shared 450MHz of train dispatch radio communication, exists co-channel interference to reach and the mutual interference problem of train dispatch radio communication; Because after the railroad train speed-raising, the early warning distance at road junction will strengthen, engineering cost increases, and the track circuit investment is very big, and crossing safety equipment of every construction needs nearly 300,000 yuan of investments.
Summary of the invention
The present invention is devoted to provide a kind of later-model intersection alarm equipment, it has utilized the digital synthesis radio station of 800MHz to carry out work, because long transmission distance, the speed of this kind digital radio station are fast, the bit error ratio is low and interface is a standard interface, so digital road junction of the present invention safe early warning equipment makes that the mode with radio communication has realized functions such as train proximity sensing protection between train and the level crossing, equipment of the present invention also solved co-channel interference and with the mutual interference problem of train dispatch radio communication, make train and can realize high reliability near the data transmission between the road junction.In addition, at the problem that occurs behind the railway speed increase, digital road junction of the present invention safe early warning equipment can send various early warning information and alarm message with the form of broadcasting, avoids the generation of train travel accident and road junction personnel casualty accidents.Thereby the present invention can solve all drawbacks that exist in the above-mentioned prior art, forms the digital train wireless alarm system that gathers multi-function in integral whole.
According to an aspect of the present invention, this paper provides a kind of digital road junction safe early warning equipment that is used for the level crossing, it can carry out wireless telecommunications with the train that travels on the railway, receive the approach signal that train sends, and can send the information of relevant road junction situation to train, this source of early warning is a digital operation mode, its frequency range of carrying out wireless transmission, reception is different from the frequency range of train dispatch radio communication, wherein, the operation information that received of this safe early warning equipment comprises train number, speed and the residing kilometer post of train; Source of early warning can be handled the operation information that receives, and calculates the distance of train apart from the road junction, and arrives lasting of road junction; Source of early warning can send road junction fault pre-alarming information to train when having the incident that influences traffic safety at the road junction.
According to a further aspect in the invention, the working frequency range of described source of early warning is 800MHz.
According to the another aspect of this aspect, described source of early warning comprises: a radio station, and it is operated on the frequency range of 800MHz; One reception, emitting antenna; One control and data storage circuitry, it can carry out control to equipment, and the relevant data message of storage; One interface circuit; Read out instrument, it comprises a up read-out and a descending read-out; An and power supply module.
In accordance with a further aspect of the present invention, described power supply module comprises power module, battery switching circuit and rechargeable battery.
The present invention also provides a kind of method for early warning that is used for the level crossing, the method comprising the steps of: a source of early warning is set in the level crossing, it can carry out wireless telecommunications with the train that travels on the railway, the mode of operation of this equipment is digital, and its frequency range of carrying out wireless transmission, reception is different from the frequency range of train dispatch radio communication, and described source of early warning comprises a radio station, a reception/emitting antenna, a control and data storage circuitry, an interface circuit, read out instrument and a power supply module; Vehicle radio station is set ON TRAINS, and its mode of operation also is digital, and its working frequency range is consistent with the frequency range of road jaws equipment; By road jaws equipment timed sending location information, vehicle radio station sends train running information to source of early warning after receiving location information, the operation information that is received comprises train number, speed and the residing kilometer post of train, after the road jaws equipment is received information, the operation information that receives is handled, and calculate the distance of train apart from the road junction, and arrive lasting of road junction, and broadcast or show; And when the situation of safe train operation is jeopardized at the road junction, can send road junction obstruction forewarning information to vehicle radio station by the road junction source of early warning.
Description of drawings
From the detailed description of hereinafter doing with reference to accompanying drawing, can understand foregoing of the present invention and other feature better, in the accompanying drawings:
Fig. 1 is with individual module schematic block diagram, has represented according to digital road junction of the present invention safe early warning equipment.
The specific embodiment
Fig. 1 is the functional block diagram of a kind of embodiment of source of early warning of the present invention.As shown in the figure, this source of early warning comprises: a digital radio station, and it is operated on the frequency range of 800MHz; The reception of one 800MHz, emitting antenna; One control and data storage circuitry, it is used for equipment is carried out control, and stores relevant data message; One interface circuit is used to read and store data such as the road junction numbering that presets and kilometer post; Read out instrument, it comprises a up read-out and a descending read-out; And a power supply module, this power supply module comprises power module, battery switching circuit and rechargeable battery.
Wherein, described antenna is the 800MHz antenna, and its frequency limit is: 815MHz～875MHz.Antenna is installed in the top of road junction source of early warning.Up read-out and descending read-out can show " train number, last, the distance, Beijing time ".Equipment is fixedly mounted in the room, road junction, utilizes the 220V ac power supply, its external loudspeaker.
To the radical function and the specific implementation of this equipment be described below.
Train proximity sensing function: road jaws equipment timed sending location information, receive behind the location information to the road jaws equipment near the vehicle-mounted comprehensive radio station of train and to send train running information (comprising train number number, train position, train speed etc.), the road junction source of early warning is received afterwards to amplify to the level crossing and is broadcasted train number, position and speed, shows that train number, train arrive lasting of road junction from the distance and the train at road junction simultaneously on up (or descending) read-out.
Road junction obstruction forewarning information: when the situation of safe train operation is jeopardized at the road junction, Crossroad attendant is opened sealed mounted warning button is housed, the road jaws equipment sends road junction obstruction forewarning information to train, the information content includes the kilometer post at road junction, emissive power is 5W, and receiving range is greater than 5 kilometers.After the vehicle-mounted comprehensive radio station of numeral receives the road junction obstruction forewarning information of jaws equipment transmission, play " XXXX.X kilometer road junction obstacle ", remind the trainman to take the necessary measures and avoid accident to take place by the phonetic synthesis mode.
Above-mentioned specific descriptions only are exemplary, do not constitute limitation of the invention, and protection scope of the present invention is defined by claims.
Claims (8)
1. digital road junction safe early warning equipment that is used for the level crossing, it can carry out wireless telecommunications with the train that travels on the railway, it receives the approach signal that car sends, and can send the information of relevant road junction situation to train, its frequency range of carrying out wireless transmission, reception is different from the frequency range of train dispatch radio communication; It comprises: a digital radio station; One reception, emitting antenna; One control and data storage circuitry; One interface circuit; Read out instrument, it comprises a up read-out and a descending read-out; An and power supply module; Crossing safety source of early warning timed sending location information sends train running information after location information is received in a vehicle-mounted digital radio station that is provided with on the train, and the crossing safety source of early warning is received and broadcasted behind the train running information or show.
2. digital road junction according to claim 1 safe early warning equipment is characterized in that the working frequency range in described source of early warning and vehicle-mounted digital radio station is 800MHz.
3. digital road junction according to claim 2 safe early warning equipment is characterized in that the digital radio station that described source of early warning comprises is operated on the frequency range of 800MHz; Described control can be stored relevant data message with data storage circuitry; Described read out instrument comprises a up read-out and a descending read-out.
4. digital road junction according to claim 3 safe early warning equipment is characterized in that described power supply module comprises power module, battery switching circuit and rechargeable battery.
5. digital road junction safe early warning equipment, the method comprising the steps of:
One source of early warning is set in the level crossing, it can carry out wireless telecommunications with the train that travels on the railway, the mode of operation of this source of early warning is digital, and its frequency range of carrying out wireless transmission, reception is different from the frequency range of train dispatch radio communication, and described source of early warning comprises a digital radio station, a reception, emitting antenna, a control and data storage circuitry, an interface circuit, read out instrument and a power supply module;
Vehicle radio station is set ON TRAINS, and its mode of operation also is digital, and its working frequency range is consistent with the frequency range of road junction source of early warning;
By road junction source of early warning timed sending location information, vehicle radio station sends train running information to source of early warning after receiving location information, the operation information that is received comprises train number, speed and the residing kilometer post of train, after the road junction source of early warning is received information, the operation information that receives is handled, and calculate the distance of train apart from the road junction, and arrive lasting of road junction, and broadcast or show; And when the situation of safe train operation is jeopardized at the road junction, can send road junction obstruction forewarning information to vehicle radio station by the road junction source of early warning.
6. digital road junction according to claim 5 safe early warning equipment is characterized in that wherein the working frequency range of used source of early warning is 800MHz.
7. method for early warning according to claim 6 is characterized in that, the digital radio station that described source of early warning comprises is operated on the frequency range of 800MHz; Described control can be stored relevant data message with data storage circuitry; Described read out instrument comprises a up read-out and a descending read-out.
8. digital road junction according to claim 7 safe early warning equipment is characterized in that described power supply module comprises power module, battery switching circuit and rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03157548 CN1202973C (en) | 2003-09-24 | 2003-09-24 | Digital crossing safety early warning device for railway crossing and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03157548 CN1202973C (en) | 2003-09-24 | 2003-09-24 | Digital crossing safety early warning device for railway crossing and its method |
Publications (2)
| Publication Number | Publication Date |
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| CN1491846A CN1491846A (en) | 2004-04-28 |
| CN1202973C true CN1202973C (en) | 2005-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03157548 Expired - Lifetime CN1202973C (en) | 2003-09-24 | 2003-09-24 | Digital crossing safety early warning device for railway crossing and its method |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011009134A2 (en) | 2009-07-17 | 2011-01-20 | Invensys Rail Corporation | Track circuit communications |
| US8500071B2 (en) | 2009-10-27 | 2013-08-06 | Invensys Rail Corporation | Method and apparatus for bi-directional downstream adjacent crossing signaling |
| US8660215B2 (en) | 2010-03-16 | 2014-02-25 | Siemens Rail Automation Corporation | Decoding algorithm for frequency shift key communications |
| US8297558B2 (en) | 2010-03-17 | 2012-10-30 | Safetran Systems Corporation | Crossing predictor with authorized track speed input |
| JP6296673B2 (en) * | 2011-09-30 | 2018-03-20 | 日本信号株式会社 | Train control system ground equipment |
| CN109501836B (en) * | 2018-09-30 | 2021-03-30 | 北京世纪东方通讯设备有限公司 | Road junction early warning method, equipment and device |
| CN109178037B (en) * | 2018-09-30 | 2021-05-04 | 北京世纪东方通讯设备有限公司 | Train running protection alarm method and device |
| CN109178038B (en) * | 2018-09-30 | 2020-12-01 | 北京世纪东方通讯设备有限公司 | Driving early warning method, system and device |
| CN109178036B (en) * | 2018-09-30 | 2020-10-20 | 北京世纪东方通讯设备有限公司 | Train approach early warning method, train approach early warning device and train approach early warning device |
| CN109584586B (en) * | 2018-12-20 | 2021-07-13 | 铜陵有色金属集团铜冠物流有限公司 | Digital safety multi-view auxiliary monitoring device for railway crossing |
| CN111915849A (en) * | 2020-08-27 | 2020-11-10 | 天津华泽瑞威信息技术有限公司 | Dual-mode railway line landslide and rockfall direct-connection alarm device and implementation method thereof |
| CN114348076B (en) * | 2022-01-07 | 2023-10-13 | 北京全路通信信号研究设计院集团有限公司 | Railway crossing passing method and system |
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- 2003-09-24 CN CN 03157548 patent/CN1202973C/en not_active Expired - Lifetime
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Address after: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee after: Beijing Century Oriental Zhihui Technology Co.,Ltd. Address before: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee before: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. |
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