CN102320315B - Railway wagon wireless warning method and warning system based on ZigBee - Google Patents
Railway wagon wireless warning method and warning system based on ZigBee Download PDFInfo
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- CN102320315B CN102320315B CN 201110185514 CN201110185514A CN102320315B CN 102320315 B CN102320315 B CN 102320315B CN 201110185514 CN201110185514 CN 201110185514 CN 201110185514 A CN201110185514 A CN 201110185514A CN 102320315 B CN102320315 B CN 102320315B
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Abstract
The invention discloses a railway wagon wireless warning method based on ZigBee. Carriage ZigBee equipment nodes are arranged above each wagon carriage door, a wireless sensor network is built, a ratio frequency card is adopted for writing the media access control (MAC) address of the ZigBee equipment nodes arranged on each carriage into the radio frequency card, the carriage number and the MAC address of the ZigBee equipment nodes can be statically bound, in addition, the carriage number can be correctly displayed on a hand-held terminal, a door magnetic sensing circuit is arranged on each carriage door for collecting the door state switch quantity signal, the ZigBee equipment nodes corresponding to the opened carriage door generate warning information when the carriage door is illegallyopened, the warning information is uploaded to a ZigBee coordinator through a wireless network, and the warning information is displayed on the hand-held terminal interface. The method is suitable for conditions with freely increased and decreased carriages, the operation by nonprofessional personnel is convenient, the carriage number is convenient to modify, safety and reliability are realized, the invasion of illegal personnel into the wagon carriage can be timely discovered, in addition, railway workers are prompted to adopt measures for processing through the warning, the labor and the materials can be greatly saved, the efficiency for fighting against the crime of stealing can be improved.
Description
Technical field
The present invention relates to a kind of railway truck radio alarm method and warning based on ZigBee.
Background technology
For a long time, railway truck is stolen to be criminal case multiple on the railway always, it not only serious infringement the numerous owner of cargos' property safety, cause very large economic loss to railway enterprise, damaged the reputation of railway enterprise, sometimes even the military affairs of country, science and technology, diplomacy etc. are produced the stolen consequence of baneful influence, particularly some lorry can seriously jeopardize train traffic safety.
The method of taking precautions against the generation of railway truck thievery has the attendant of employing to patrol and examine, install anti-theft door lock or electronic monitoring device etc.The video monitoring mode that adopts is arranged in the railway truck electronic monitoring device, namely in some position of lorry monitoring camera is installed, by the train attendant is had or not the generation of steal phenomenon to the automatic analysis identification of the supervision of picture or video image.That this kind method is installed is complicated, cost is high, be prone to and fail to report, report by mistake phenomenon.In addition, adopt in addition the wired or wireless communication mode to transmit alerting signal, sending into radio telephone such as the diphthong coding sinusoidal waveform that produces by DTMF launches, the dtmf signal that receiving end receives radiophone is sent into the DTMF demoder and is realized signal decoding, reaches alarm and shows car case number (CN) etc.But because the movability of railway truck, have the phenomenons such as increase and decrease, coach number change in increase and decrease, the compartment of goods at different bus stops, so that above-mentioned monitor mode all has inconvenience.
Summary of the invention
The technical problem to be solved in the present invention provides the rubato situation in a kind of suitable compartment, be convenient to the lay man operation, coach number is revised convenient, safe and reliable, can find in time that unauthorized person invades the boxcar, and the warning reminding railroader takes measures to process, can greatly save the man power and material, improve the efficient of the crime that hits out against theft, safeguard railway truck radio alarm method and the warning based on ZigBee of the favorable image of railway interests and the numerous owner of cargos' property safety.
Technical solution of the present invention is:
A kind of railway truck radio alarm method based on ZigBee, its special character is:
1, compartment ZigBee device node is installed above each boxcar door, each ZigBee device node is set up wireless sensor network automatically, and the MAC Address that adopts radio-frequency card will be about to the ZigBee node installed on each compartment of transporting cargo departures is written to radio-frequency card;
The MAC Address of 2, carrying out coach number and ZigBee device node is carried out static binding and is used for the correct coach number that shows on handheld terminal;
3, a door magnetic sensing circuit is installed on each car door and is gathered a door mode switch amount signal, the state of boxcar door is carried out Real-Time Monitoring;
4, when car door is illegally opened; make the ZigBee device node of the car door that correspondence is opened produce alarm message by door magnetic sensing circuit; the alarm message of this ZigBee device node uploads to the ZigBee combinator by wireless network; this ZigBee combinator communicates by serial ports and handheld terminal; display alarm information on the handheld terminal interface reminds escort personnel to take safety precautions.
The above-mentioned railway truck radio alarm method based on ZigBee, in the display alarm information, the remote monitor PC that connects ground by GPRS network carries out Real Time Monitoring on the handheld terminal interface.
A kind of railway truck wireless alarm system based on ZigBee, its special character is by forming with lower unit:
Have a plurality of ZigBee device nodes that are installed in each door top, boxcar and can automatically set up wireless-transmission network;
The radio-frequency card that the MAC Address of the ZigBee device node of installing on each compartment that transporting cargo can be set off writes;
The MAC Address of coach number and ZigBee device node carried out static binding and be used for correctly showing the handheld terminal of coach number and display alarm information;
Be installed in and be used for the alarm message of the ZigBee device node of correspondence is uploaded to by wireless network the ZigBee combinator of handheld terminal on the handheld terminal;
Being installed in the state that is used on each car door to the boxcar door carries out Real-Time Monitoring and makes the ZigBee device node of the car door that correspondence is opened produce the door magnetic sensing circuit of alarm message.
The above-mentioned railway truck wireless alarm system based on ZigBee also has the remote monitor PC that is connected by GPRS network with handheld terminal.
Above-mentioned ZigBee coordinator module communicates by serial ports and handheld terminal.
Above-mentioned ZigBee combinator integrates as a modular assembly and handheld terminal.
Above-mentioned ZigBee combinator is by the wireless MCU as main control chip, the peripheral expansion radio-frequency transmissions circuit, crystal oscillating circuit, reset circuit, battery feed circuit, GPIO outlet and the program downloads the electric circuit constitute that are connected with wireless MCU.
Above-mentioned handheld terminal is comprised of treater, the peripheral expansion memory device that is connected with treater, SDRAM, IC-card radio-frequency module, LCD display module, crystal oscillating circuit.
The present invention can be used for the station and stops, waits to compile, waits to unload and move the anti-thefting monitoring that executing in the way sealed car (box car) transportation material, and its beneficial effect is as follows:
1, ZigBee technology has the characteristics of MANET, be fit to very much lorry etc. and have the situations such as movability, coach number arbitrarily arrange, the compartment node arbitrarily increases, have that node can arbitrarily increase, networking is convenient, safeguard simple characteristics, make the lorry escort personnel easier to the management of compartment safety of goods, efficiently, thereby the safety factor of railway truck is improved greatly, and railway truck is antitheft in real time, reliable.ZigBee technology more flexibly, more is conducive to the control system cost at aspects such as system complexity, safety, reliability, power consumptions simultaneously.
2, in order to solve the arbitrarily actual conditions such as setting property of movability in the railway freight-car transporting process and coach number, adopt radio-frequency technique directly to arrange at handheld terminal input coach number, be fit to the operation of lay man, coach number is revised convenient.Before sending goods, use by the originating station lorry RF Signal module on the handheld device to carry out the setting of the interim coach number of lorry.If bus stop increases lorry or unloads load-carrying vehicle halfway, again moving the RF Signal program carries out the modification of interim coach number and increases, so that arrange at every turn and revise the one by one mapping that can both make coach number and be installed in the ZigBee device node MAC Address (whole world is unique) on the compartment, thereby solved the difficult problem that interim coach number arbitrarily is set in the railway freight-car transporting process.
3, compare with traditional strike lorry theft means, can in time find unauthorized person intrusion boxcar, and the warning reminding railroader takes measures to process, can greatly save the man power and material, improve the efficient of the crime that hits out against theft, safeguard the favorable image of railway interests and the numerous owner of cargos' property safety.Therefore take precautions against the railway freight-car transporting article stolen aspect, there are potential application and practical value in this system.
Description of drawings
Fig. 1 is system of the present invention frame composition;
Fig. 2 is ZigBee device node circuit block diagram among Fig. 1;
Handheld terminal circuit block diagram among Fig. 3 Fig. 1;
Fig. 4 is ZigBee coordinator process diagram of circuit;
Fig. 5 is ZigBee device node program flow diagram;
Among the figure: door magnetic sensing circuit 1, ZigBee device node 2, ZigBee combinator 3, radio-frequency card 4, handheld terminal 5, GPRS network 6, remote monitor PC7, wireless microprocessor 201, reset circuit 202, crystal oscillating circuit 203, battery feed circuit 204, GPIO outlet 205, program downloads circuit 206, peripheral expansion radio-frequency transmissions circuit 207, treater 501, IC-card radio-frequency module 502, crystal oscillating circuit 503, LCD display module 504, peripheral expansion memory device 505, SDRAM506 forms.
The specific embodiment
As shown in the figure, should be based on the railway truck wireless alarm system of ZigBee, by forming with lower unit: have a plurality of ZigBee device nodes 2 that are installed in each door top, boxcar, the radio-frequency card 4 that the MAC Address of the ZigBee device node 2 of installing on each compartment that transporting cargo can be set off writes, the MAC Address of coach number and ZigBee device node 2 carried out static binding and be used for correctly showing the handheld terminal 5 of coach number and display alarm information, be installed in the alarm message that is used on the handheld terminal 5 the ZigBee device node 2 of correspondence and upload to ZigBee combinator 3 by wireless network, being installed in the state that is used on each car door to the boxcar door carries out Real-Time Monitoring and makes the ZigBee device node 2 of the car door that correspondence is opened produce the door magnetic sensing circuit 1 of alarm messages, according to actual needs, the remote monitor PC7 that is connected by GPRS network 6 with handheld terminal also can be set.
Described ZigBee device node 2 is to adopt JN5139 by the wireless microprocessor 201(as main control chip), the peripheral expansion radio-frequency transmissions circuit 207 that is connected with wireless microprocessor 201, crystal oscillating circuit 203, reset circuit 202, battery feed circuit 204, GPIO outlet 205 and program downloads circuit 206 form.
It is integrated that described ZigBee combinator 3 adopts battery powered modular assembly and handheld terminal 5 to carry out as one, mainly processes the alert data that each ZigBee device node 2 is sent; ZigBee combinator 3 is the master controllers in the ZigBee-network, a ZigBee-network is provided with a ZigBee combinator, be responsible for foundation and the data upload of ZigBee-network, ZigBee combinator 3 communicates by serial ports and handheld terminal 5 after obtaining the alert data that each on-the-spot node sends.And ZigBee device node 2 mainly is adding wireless network, real-time monitoring alarming signal, carries out data route relaying and alarm message is uploaded to ZigBee combinator 3.
Described handheld terminal 5 is comprised of treater 501 (Inter Xscale), IC-card radio-frequency module 502, crystal oscillating circuit 503, LCD display module 504, peripheral expansion memory device 505 and SDRAM506.
Described door magnetic sensing circuit 1 can use infrared heat release sensor to detect people's movement, or use the open mode of dry-reed tube detecting gate, also can use the open mode of Hall components and parts detecting gate etc.Consider many-sided factors such as stability, sensitieness and cost of sensing circuit, adopt the door magnetic sensing circuit that is formed by dry-reed tube and magnet in the present embodiment.In case magnet and dry-reed tube are separated to certain distance when opening (be car door), dry-reed tube flicks, and gives wireless microprocessor 201 high level signals in the ZigBee device node 2, at this moment enters to interrupt producing to report to the police.
Should be based on the railway truck radio alarm method of ZigBee, detailed process is as follows:
1, each ZigBee device node 2 is set up wireless sensor networks automatically, and the MAC Address that adopts radio-frequency card 4 will be about to the ZigBee device node 2 installed on each compartment of transporting cargo departures is written to radio-frequency card 4;
The MAC Address of 2, carrying out coach number and ZigBee device node 2 is carried out static binding and is used for the correct coach number that shows on handheld terminal 5;
3, utilize door magnetic sensing circuit 1 to gather a door mode switch amount signal, the state of boxcar door is carried out Real-Time Monitoring;
4, when car door is illegally opened; send wireless microprocessor 201 to process to make the ZigBee device node 2 of the car door that correspondence is opened to produce alarm messages by door magnetic sensing circuit 1; the alarm message of this ZigBee device node 2 is wirelessly transmitted to the ZigBee combinator 3 at handheld terminal 5 places by peripheral expansion radio-frequency transmissions circuit 207; this ZigBee combinator 3 communicates by serial ports and handheld terminal 5; display alarm information on handheld terminal 5 interfaces reminds escort personnel to take safety precautions.
System software is comprised of ZigBee combinator software, Zigbee device node software and handheld terminal software.
As shown in Figure 4, the program circuit of ZigBee combinator 3 is as follows:
ZigBee combinator 3 is mainly used to set up a wireless ZigBee-network.After ZigBee combinator 3 powers on, configuration network parameter at first, comprise network channel number, PAN ID(PAN (Personal Area Network) ID) etc., set up sensor network according to the network parameter that configures, after the networking success, carry on an agreement the stack scheduler module, judged whether data event, process network event (such as waiting for that other nodes add networks), data event (processing the data that other nodes are sent), hardware interrupts event (interruption that processing hardware produces) etc. if any just bringing into operation; Judge as not continuing.
As shown in Figure 5, ZigBee device node 2 program circuits are as follows:
ZigBee device node 2 is mainly finished the detection of compartment safety case and is supplied electro-detection, the transfer of data.Configuration network parameter at first after ZigBee device node 2 powers on realizes routing function, and maximum node number is 100; Then search for available network, request adds network and the PANID of network, the adding of permission child node etc. is set.Then the stack scheduler module that carries on an agreement has judged whether interrupt event.When door magnetic sensing circuit 1 collects the car door opening state, trigger and interrupt, the processing hardware interrupt event, the stack scheduler module that then carries on an agreement sends to ZigBee combinator 3 with alarm message by transmission over radio; As not having interrupt event, the stack scheduler module continues to carry on an agreement.
Claims (8)
1. railway truck radio alarm method based on ZigBee is characterized in that:
(1). compartment ZigBee device node is installed above each boxcar door, each ZigBee device node utilizes ZigBee combinator 3 to set up a wireless ZigBee-network, and the MAC Address that adopts radio-frequency card will be about to the ZigBee device node installed on each compartment of transporting cargo departures is written to radio-frequency card;
(2). the MAC Address of carrying out coach number and ZigBee device node is carried out static binding and is used for the correct coach number that shows on handheld terminal;
(3). a door magnetic sensing circuit is installed on each car door is gathered a door mode switch amount signal, the state of boxcar door is carried out Real-Time Monitoring;
(4) when car door is illegally opened; make the ZigBee device node of the car door that correspondence is opened produce alarm message by door magnetic sensing circuit; the alarm message of this ZigBee device node uploads to the ZigBee combinator by wireless network; this ZigBee combinator communicates by serial ports and handheld terminal; display alarm information on the handheld terminal interface reminds escort personnel to take safety precautions.
2. the railway truck radio alarm method based on ZigBee according to claim 1 is characterized in that: in the display alarm information, the remote monitor PC that connects ground by GPRS network carries out Real Time Monitoring on the handheld terminal interface.
3. railway truck wireless alarm system based on ZigBee is characterized in that: by forming with lower unit:
Have a plurality of ZigBee device nodes that are installed in each door top, boxcar;
The radio-frequency card that the MAC Address of the ZigBee device node of installing on each compartment that transporting cargo can be set off writes;
The MAC Address of coach number and ZigBee device node carried out static binding and be used for correctly showing the handheld terminal of coach number and display alarm information;
Be installed in the ZigBee combinator that is used for setting up a wireless ZigBee-network on the handheld terminal and the alarm message of the ZigBee device node of correspondence is uploaded to handheld terminal by wireless network;
Being installed in the state that is used on each car door to the boxcar door carries out Real-Time Monitoring and makes the ZigBee device node of the car door that correspondence is opened produce the door magnetic sensing circuit of alarm message.
4. the railway truck wireless alarm system based on ZigBee according to claim 3 is characterized in that: also have the remote monitor PC that is connected by GPRS network with handheld terminal.
5. the railway truck wireless alarm system based on ZigBee according to claim 3, it is characterized in that: the ZigBee coordinator module communicates by serial ports and handheld terminal.
6. the railway truck wireless alarm system based on ZigBee according to claim 3, it is characterized in that: described ZigBee combinator integrates as a modular assembly and handheld terminal.
7. the railway truck wireless alarm system based on ZigBee according to claim 3, it is characterized in that: described ZigBee device node is by the wireless MCU as main control chip, the peripheral expansion radio-frequency transmissions circuit, crystal oscillating circuit, reset circuit, battery feed circuit, GPIO outlet and the program downloads the electric circuit constitute that are connected with wireless MCU.
8. the railway truck wireless alarm system based on ZigBee according to claim 3, it is characterized in that: described handheld terminal is comprised of treater, the peripheral expansion memory device that is connected with treater, SDRAM, IC-card radio-frequency module, LCD display module and crystal oscillating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110185514 CN102320315B (en) | 2011-07-05 | 2011-07-05 | Railway wagon wireless warning method and warning system based on ZigBee |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110185514 CN102320315B (en) | 2011-07-05 | 2011-07-05 | Railway wagon wireless warning method and warning system based on ZigBee |
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| Publication Number | Publication Date |
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| CN102320315A CN102320315A (en) | 2012-01-18 |
| CN102320315B true CN102320315B (en) | 2013-09-18 |
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| CN 201110185514 Expired - Fee Related CN102320315B (en) | 2011-07-05 | 2011-07-05 | Railway wagon wireless warning method and warning system based on ZigBee |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779435A (en) * | 2012-07-30 | 2012-11-14 | 无锡南理工科技发展有限公司 | Wireless intelligent answering system supporting multi-network and multi-terminal and data transmission method thereof |
| CN104735709B (en) * | 2015-01-29 | 2019-01-01 | 无锡科技职业学院 | A kind of Zigbee node deployment detection device and detection method |
| CN104590321A (en) * | 2015-01-29 | 2015-05-06 | 沈玲玲 | Method for constructing vehicular wireless network of railway freight train |
| CN104835301A (en) * | 2015-04-22 | 2015-08-12 | 北京柏惠维康科技有限公司 | Wireless data transmission device for medical equipment |
| CN114173220B (en) * | 2021-12-03 | 2023-06-27 | 中国铁道科学研究院集团有限公司标准计量研究所 | Railway cargo transportation monitoring data transmission method and device |
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| EP1674370B1 (en) * | 2004-12-21 | 2008-04-16 | Alstom Belgium S.A. | Installation for protecting track workers |
| CN101470934A (en) * | 2007-12-29 | 2009-07-01 | 同方威视技术股份有限公司 | Anti-theft alarm method, system and vehicle-mounted equipment for railway freight boxcar/container |
| CN101807332A (en) * | 2010-03-12 | 2010-08-18 | 上海华申智能卡应用系统有限公司 | ZigBee technology-based railway box car anti-theft processing method and system |
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| KR100585327B1 (en) * | 2004-07-29 | 2006-06-01 | 삼성전자주식회사 | Method for adaptively reassigning addresses of nodes according to changes in volumn of wireless network |
| KR20050105129A (en) * | 2005-10-13 | 2005-11-03 | 황영복 | Short range wireless zigbee sensor network using moving train |
| US7385497B2 (en) * | 2006-04-05 | 2008-06-10 | Larry Golden | Multi sensor detection and lock disabling system |
| US20070262853A1 (en) * | 2006-05-05 | 2007-11-15 | Black & Decker Inc. | Vehicle alarm |
| CN101468652B (en) * | 2007-12-29 | 2011-01-19 | 同方威视技术股份有限公司 | Anti-theft alarming method, system and apparatus for railway freight box wagon / container |
| CN201662876U (en) * | 2009-05-31 | 2010-12-01 | 西安华凡仪器有限公司 | Zigbee wireless gas detection alarm system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1674370B1 (en) * | 2004-12-21 | 2008-04-16 | Alstom Belgium S.A. | Installation for protecting track workers |
| CN101470934A (en) * | 2007-12-29 | 2009-07-01 | 同方威视技术股份有限公司 | Anti-theft alarm method, system and vehicle-mounted equipment for railway freight boxcar/container |
| CN101807332A (en) * | 2010-03-12 | 2010-08-18 | 上海华申智能卡应用系统有限公司 | ZigBee technology-based railway box car anti-theft processing method and system |
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