CN201472418U - Hanging train over-limit laser monitoring alarm system - Google Patents
Hanging train over-limit laser monitoring alarm system Download PDFInfo
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- CN201472418U CN201472418U CN2009201722052U CN200920172205U CN201472418U CN 201472418 U CN201472418 U CN 201472418U CN 2009201722052 U CN2009201722052 U CN 2009201722052U CN 200920172205 U CN200920172205 U CN 200920172205U CN 201472418 U CN201472418 U CN 201472418U
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Abstract
The utility model belongs to a hanging train over-limit laser monitoring alarm system in the field of railway transport, being composed of laser detection sensors installed on a fixed component above a railway line, a signal processing circuit and a GPS alarm, wherein three laser detection sensors are hung on the fixed component above the railway line. The middle sensor is positioned above a track centerline, and the space between the two left and right sensors and the middle sensor is 2225mm. The three sensors are respectively used for monitoring over-limit signals of a train, the left side and the right side of the train, and the signals are transmitted to the signal processing circuit to be processed. When the train passes, if the left side or the right side is over-limited, the signal processing circuit controls the GPS alarm to send an alarm message of train over-limit; if no train passes, the signal processing circuit does not output the signals, so that railway staff can not give a false alarm in train passing. The system has the advantages of simple installation, moderate cost and accurate detection and alarm, and does not affect the normal running of the train.
Description
Affiliated technical field
The utility model belongs to a kind of warning of railway transport field, particularly a kind of gauge-exceeding laser monitoring and alarming system of suspension train.
Technical background
On July 13 calendar year 2001, Chengdu Railway Bureau is reached in the cargo-carring goods of 29008 goods trains of the line way to transfinite, and the goods that transfinites collides 22 people to death, injures and deaths accident outside severely injured 2 people's the great road.5: 30 on the 20th July in 2005,1227 times passenger train moves between Shanghai office pipe Nei Jinpu line forest farm-Nanjing, because 14 dining car side door safety guide rails are installed not in place behind 1227 passenger train machines, outwards open and upwards dig, when Nanjing Yangtze River Bridge place and 23084 goods train crossings, dining car side door safety guide rail flies out, and hits behind the damage machine 15 car bodies and glass for vehicle window, causes in the compartment 6 passengers injured.Above accident case all is because the object that takes place in the train travelling process transfinites to cause, in railway transport course, because of train braking, start, jolt, inertia, uphill/downhill in the curve driving, tie up a variety of causes such as not firm and cause the displacement of lade string.The result make vehicle cargo-carring goods produce different directions displacement, destroy vehicle equilibrium, cause vehicle unbalance-loading, make goods not put, to exceed vehicle gauge of the locomotive etc. in place by intrinsic loading pattern, gently then bump damages track both sides travelling facility or causes goods to come off, heavy then great driving or a freight traffic accident such as cause that vehicle is cut spool, derailed even overturns.
For a long time, for ensureing the safety and the cargo security of driving, goods is transfinited developed multiple detection alarm device both at home and abroad.As the light curtain detection technique of U.S. BANNER company exploitation, adopt multi-dimensional laser array post to detect the profile of transport vehicle abroad.The LMS2XX series two dimensional laser scanning sensor of Germany SICK company exploitation can detection of dynamic pass through the profile transversal surface of vehicle, thereby judges the model and the loading situation of vehicle.Whether Austria's federal railway adopts optical photography technology and laser measurement technology way of combining to detect charge of trucks transfinites.
Domestic orthodox method is to adopt the transfinite situation of the optical gate detection of correlation Photoelectric infrared switch composition by freight train.Also develop two-dimensional laser detection of dynamic mode and optical image projection mode in recent years and detected the freight train situation that transfinites.The advantage that two dimensional laser scanning mode detection train goods transfinites is that it can describe the external form profile of tested vehicle transversal surface comparatively all sidedly, but because sensor speed of response slow (precision prescribed Gao Shiyueda 50ms), the necessary limiting operation of tested train, otherwise some special oversize or overload cargo is just had the possible of omission.Limiting operation will produce considerable influence to arriving a throat carrying capacity.
Domestic advanced person's detection means is " Load Status Supervision System of Freight Wagon " (being commonly called as " safety door ").Can detect open and-shut mode, sealing lock state, overload, unbalance loading situation of the full section gauge of passing lorry, car door etc., with car number identification system, produce monitoring information, alarm message and statistical information automatically.This system architecture complexity, cost huge (millions of nothings/cover), and also Installation and Debugging are very complicated, and china railway system usage quantity is limited.
The utility model content
The utility model provides a kind of does not influence normally operation of train, simple installation, cost is moderate, gauge-exceeding laser monitoring and alarming system of suspension train accurately detects, reports to the police.
Gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model is by the laser acquisition assembly, signal processing circuit and panalarm are formed, be characterized in described laser acquisition assembly, signal processing circuit and panalarm are installed in the railway overpass of railway track top, on tunnel or the measurement bracket, the laser acquisition assembly is by three railway overpass that are suspended on the railway track top, the tunnel, on the measurement bracket, survey light laser acquisition sensors A from top to bottom, C, B combines, middle laser acquisition sensor C is positioned at the top of track centerline, a left side, right two laser acquisition sensors and its spacing are 2225mm, signal processing circuit is by the train signal treatment circuit, left side signal processing circuit and the right side signal processing circuit that transfinites that transfinites is formed, train signal, the transfinite input end of signal processing circuit of left side and right side meets intermediate sensor laser acquisition sensor C respectively, the output of left side sensor laser acquisition sensors A and right sensor laser acquisition sensor B, a train signal processing circuit controls left side, the transfinite work of signal processing circuit of right side, described panalarm adopts a GPS annunciator and a left side, the transfinite output of signal processing circuit of right side is joined.
This gauge-exceeding laser monitoring and alarming system of suspension train is installed on railway overpass, tunnel or the measurement bracket, measuring system all is installed in the top of object being measured, laser sensor adopts suspension type to install, monitoring light is measured from top to bottom, on railroad bed or rail, do not need to arrange any reflecting plate or reception facilities, avoided " ban " of erecting equipment on the railway basis.It does not influence the normal operation of railroad train, does not influence the maintenance circuit and changes railway roadbed, rail, sleeper etc.Simple installation and monitoring system and train, railway, personnel realize comprehensive isolation.
This system utilizes the displacement monitoring function of laser acquisition sensor, by three railway overpass that are suspended on the railway track top, on tunnel or the measurement bracket, survey light laser acquisition sensors A from top to bottom, C, B combines, whether the top that middle laser acquisition sensor C is arranged in track centerline is used for detection track has train to sail into, a left side, the spacing of right two laser acquisition sensors and middle laser acquisition sensor is 2225mm, apart from a track centerline left side, right both sides 2225mm is the maxim standard that train and goods allow, in case surpass this standard, train or cargo-carring goods and wayside equipment promptly can take place, collision cases such as personnel.The laser beam of left and right two laser acquisition sensor devices is perpendicular to left and right orbit plane, and whether be used for monitoring the train and arranged on left and right sides has out of gauge freight.The signal of laser acquisition sensor output just often is a unmodified value, as train through out-of-date, train cutting laser rays, laser acquisition sensor C will provide the signal of a variation, at this moment, as if having object to stretch out on the car and cutting laser rays, the laser acquisition sensor B on left side laser acquisition sensors A or right side will provide the signal of a variation, the variable signal that laser acquisition sensor C provides is through the train signal processing circuit processes, the variable signal that laser acquisition sensors A or laser acquisition sensor B provide through the left side or the right side signal processing circuit that transfinites handle, at this moment, the train signal treatment circuit left or the right side signal processing circuit that transfinites transmit control signal and make a left side, signal processing circuit is transfinited to the GPS annunciator output energizing signal that is connected on its mouth in the right side, with a left side, transfinite and send the overrun of train alarm message immediately after GPS annunciator that the output of signal processing circuit joins is received energizing signal in the right side, when road bureau's dispatching station receives this information, can know the position, monitoring point exactly, stop and handle in the station, the place ahead of train notified operation immediately.If there is not train to pass through, be positioned at the laser acquisition sensor C non-output signal of track centerline top, the train signal treatment circuit is not worked, about two all detectable signals of laser acquisition sensor all inoperative, this just avoided the railroader by the time wrong report.
Gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model utilizes the displacement monitoring function of laser acquisition sensor, mount the system on railway overpass, tunnel or the measurement bracket of railway track top, satisfy the railway department the requirement of various deironing rail and sleeper wood any equipment in addition must not be installed on railway track about any entity or individual, in addition, also can avoid coal that train drops from train in operational process, dust and because snow, rain and dust fall to pollution, the damage of monitoring system.This suspension type monitoring system because adopted the top that is positioned at track centerline and with line of centers about can monitor a train and a left side exactly at a distance of three laser acquisition sensors of 2250mm, signal transfinites on the right side, because signal processing circuit is by a train signal treatment circuit and a left side, the signal processing circuit composition transfinites on the right side, and, transfinite signal processing circuit to GPS annunciator output energizing signal by train signal processing circuit controls left side or right side, when train arrives, take place if any overrun condition, monitoring system can be controlled the GPS annunciator and send alarm message, make the take over party can accurately discern place of alarm, the accident that transfinites and cause because of the train goods is avoided in employing measure early.This monitoring system can not reported to the police when having train to pass through, do not influence the railway personnel to the maintenance of railway, do not influence train and normally move, this system automation degree height, the scene is need not the people on duty, can realize the information remote transmission.This gauge-exceeding laser monitoring and alarming system of suspension train has simple installation, cost is moderate and report to the police advantage accurately.
Description of drawings
Fig. 1 is the functional block diagram of gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model;
Fig. 2 is the scheme of installation of gauge-exceeding laser monitoring and alarming system of suspension train embodiment provided by the utility model;
Fig. 3 is the functional block diagram of signal processing circuit in the gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model;
Fig. 4 is the schematic circuit diagram of middle signal processing circuit embodiment illustrated in fig. 3;
Fig. 5 is Fig. 3, is the power control circuit figure of gauge-exceeding laser monitoring and alarming system of suspension train power supply in embodiment illustrated in fig. 4.
Among Fig. 2: 1, railway overpass, 2, roadbed, 3, the track rail level, 4, railway car, 5, wheel, A, B, C, laser acquisition sensor, D, signal processing circuit, GPS, GPS annunciator, h1, top detection blind area, h2, detecting area, h3, bottom detection blind area.
The specific embodiment
Below in conjunction with description of drawings enforcement of the present utility model.Fig. 1 is the functional block diagram of gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model.As seen from the figure, gauge-exceeding laser monitoring and alarming system of suspension train laser acquisition assembly provided by the utility model is by three laser acquisition sensors A, C, B forms, middle laser acquisition sensor C is positioned at the top of track centerline, a left side, right. two laser acquisition sensors and its spacing are 2225mm, signal processing circuit is by the train signal treatment circuit, left side signal processing circuit and the right side signal processing circuit that transfinites that transfinites is formed, train signal, the transfinite input end of signal processing circuit of left side and right side meets intermediate sensor laser acquisition sensor C respectively, the right sensor laser acquisition sensor B output that left side sensor laser acquisition sensors A reaches, a train signal processing circuit controls left side, the transfinite work of signal processing circuit of right side, described panalarm adopts a GPS annunciator and a left side, the transfinite output of signal processing circuit of right side is joined.
Fig. 2 is the scheme of installation of gauge-exceeding laser monitoring and alarming system of suspension train embodiment provided by the utility model.Referring to Fig. 2, gauge-exceeding laser monitoring and alarming system of suspension train is made up of laser acquisition assembly, signal processing circuit and panalarm, and laser acquisition assembly, signal processing circuit and panalarm are installed on the railway overpass 1 of railway track top (also can be installed on the stationary members such as tunnel, measurement bracket of railway track top) in this embodiment.The end face that signal processing circuit D and panalarm GPS are installed in the railway overpass 1 of railway track top (also can be installed in the tunnel of railway track top, on the stationary members such as measurement bracket) on, the laser acquisition assembly is by three railway overpass 1 (or tunnels that are suspended on the railway track top, measurement bracket) on, survey light laser acquisition sensors A from top to bottom, C, B combines, middle laser acquisition sensor C is positioned at the top of track centerline, about two laser acquisition sensors and its spacing be 2225mm, apart from a track centerline left side, right both sides 2225mm is a railway interests to the maxim standard that train and goods allowed, in case surpass this standard, train or cargo-carring goods and wayside equipment promptly can take place, collision cases such as personnel adopt and the orbit centre distance between centers of tracks is the left side of 2225mm, right two laser acquisition sensor monitors train left sides, the signal that transfinites of right both sides is very accurate.The utility model utilizes special " monitoring section " measurement function of laser sensor, effectively surveys in space specified, has both made object and surpass in the space of " monitoring section ", and sensor does not have any signal output yet.Specified altitude gauge according to the Ministry of Railways is a benchmark with the track rail level, must not surpass 5300mm, so the setting height(from bottom) of laser acquisition sensor must not be lower than 5500mm (is initial point with the track rail level), can not be higher than 6350mm (face height 350mm=maximum installation height 6350mm leaves the right or normal track bottom the maximum measuring distance 6000mm+ of the sensor vehicle) simultaneously; Face height 350mm leaves the right or normal track bottom the compartment in the present embodiment, it is the height of wheel 5, so it highly is 350mm that left and right two laser acquisition sensors A, B are provided with bottom detection blind area h3, middle detecting area h2 highly is 4950mm, as laser acquisition sensor setting height(from bottom) is 5500mm, and it is 200mm (is initial point with the laser acquisition sensor) that top detection blind area height h1 then can be set; If laser acquisition sensor installation site is higher than 5500mm, then the top detection blind area should add exceeding 5300mm partial distance L, i.e. 200+L, and exceeding the part height is L.According to the actual entrucking situation of railway, the top detection blind area can be minimum to 200mm.Laser acquisition sensor setting height(from bottom) is 5800mm in the present embodiment, and top detection blind area height h1 is 500mm, and middle detecting area h2 highly is 4950mm, and bottom detection blind area h3 highly is 350mm.As long as in the detecting area of laser acquisition sensor settings overrun condition is arranged like this, the laser acquisition sensor just can output signal.Whether the middle laser acquisition sensor C that installs mainly acts on is to discern to have train 4 to pass through, if there is train to pass through, train 4 cutting laser rays, laser acquisition sensor C will provide the signal of a variation, at this moment, as if having object to stretch out on the car and cutting laser rays, the laser acquisition sensor B on left side laser acquisition sensors A or right side will provide the signal of a variation, the variable signal that laser acquisition sensor C provides is through the train signal processing circuit processes, the variable signal that laser acquisition sensors A or laser acquisition sensor B provide through the left side or the right side signal processing circuit that transfinites handle, at this moment, the train signal treatment circuit left or the right side signal processing circuit that transfinites transmit control signal and make a left side, signal processing circuit is transfinited to the GPS annunciator output energizing signal that is connected on its mouth in the right side, makes the GPS alarm equipment alarm; If there is not train to pass through, then left and right two laser acquisition sensors A, all detectable signals of B are all inoperative, with prevent the railroader by the time report by mistake.Require laser acquisition sensor C bottom detection blind area height to be set greater than the human body height, about 2.5 meters get final product.Utilize like this and should can realize the live part of actual car body of train and lade is carried out detection by " monitoring section " measurement function, and " detection blind area " set on train bottom and the top that exceeds the compartment.No matter the laser monitoring signal runs into great object in " detection blind area ", laser sensor is output signal not all, has realized " unsettled " monitoring in space.
Fig. 3 is the functional block diagram of gauge-exceeding laser monitoring and alarming system of suspension train circuit provided by the utility model.As seen from the figure, the output of three laser acquisition sensor C, A, B is sent into train signal treatment circuit, left side, right side in the signal processing circuit signal processing circuit that transfinites respectively and is handled.Empty frame partly is the functional block diagram of signal processing circuit among the figure.The train signal treatment circuit is made of trigger circuit, relay main control circuit, time delay circuit in the signal processing circuit; The left side signal processing circuit that transfinites is made of first Schmidt trigger, first single-shot trigger circuit, the relay first subcontrol circuit; The right side signal processing circuit that transfinites is made of second Schmidt trigger, second single-shot trigger circuit, the relay second subcontrol circuit; The output of the trigger circuit of described train signal treatment circuit is succeeded input, the output of electrical equipment control power circuit, time delay circuit and is succeeded the electrical equipment control power circuit; First, second Schmidt trigger connects left side the transfinite input end of signal processing circuit second single-shot trigger circuit of first single-shot trigger circuit of signal processing circuit and right side that transfinites respectively, and the electrical equipment first subcontrol circuit, the second subcontrol circuit are succeeded in the output of first, second single-shot trigger circuit respectively; By the work of first, second subcontrol circuit of relay master control circuit controls relay, and the output of this two control relay circuit connects the GPS annunciator.
Fig. 4 is the schematic circuit diagram of a kind of embodiment of gauge-exceeding laser monitoring and alarming system of suspension train circuit provided by the utility model.The transfinite input end of signal processing circuit of train signal treatment circuit, left side, right side in the signal processing circuit is sent in three laser acquisition sensor C of three laser acquisition sensor C, A, B, the output of the switch of A, B respectively.The trigger circuit of train signal treatment circuit are made of No. 0 relay K 0, resistance R 6, R7 and No. 1 aerotron VT1 in the signal processing circuit, the relay main control circuit is made of 2,4,5, No. 6 relay K 2, K4, K5, K6 and contacts thereof, time delay circuit is made of resistance R 11, capacitor C 9, the 3rd, the 4th Schmidt trigger U1E, U1F and No. 2 aerotron VT2, resistance R 11, capacitor C 9 are serially connected between 12V power supply and the ground, and the two bonded assembly node connects the base stage of the 3rd, the 4th Schmidt trigger U1E, U1F and No. 2 aerotron VT2 successively; Transfinite first single-shot trigger circuit of signal processing circuit of left side is made of first 555 time base circuit sheet IC2 and peripheral resistance R 3 thereof, capacitor C 4, the first Schmidt trigger U1A is connected on the triggering input end of first 555 time base circuit sheet IC2, and the relay first subcontrol circuit is made of 1,6, No. 7 relay K 1, K6, K7 and contact thereof; Right side signal processing circuit second single-shot trigger circuit that transfinites is made of second 555 time base circuit sheet IC3 and peripheral resistance R 10 thereof, capacitor C 7, the second Schmidt trigger U1D is connected on the triggering input end of second 555 time base circuit sheet IC3, and the relay second subcontrol circuit is made of 3,6, No. 7 relay K 3, K6, K7 and contacts thereof; The collecting electrode of the output-1 of trigger circuit number aerotron VT1 meets the normally closed contact K4-1 of 2, No. 4 relay K 4 of No. 2 relay K, No. 5, No. 2, No. 0 relay K 5, K2, K0 successively and connects in the described train signal treatment circuit open contact K5-2, K2-1, K0-1, No. 6, No. 1, No. 3 relay K 6, K1, K3 and the open contact K6-1, the K1-1 that connect, K3-1 are by No. 6 relay K 6 ground connection; Described No. 5, No. 2, No. 0 relay K 5, K2, K0 and the open contact K5-2, the K2-1 that connect, K0-1 are by relay K 5 ground connection, the open contact K5-1 of No. 5 relay K 5 connects resistance R 11 in 12V power supply and the time delay circuit, and the collecting electrode of the output of described time delay circuit-No. 2 aerotron VT2 meets its normally closed contact K4-1 by No. 4 relay K 4; The output of first single-shot trigger circuit connects relay K 1 No. 1 in signal processing circuit is transfinited in described left side, 5, No. 7 relay K 7 of the open contact K6-2 of No. 6 relay K 6 and the resistance R 4 that connects and capacitor C are serially connected in+12V power supply and ground between, the open contact K7-2 of No. 7 relay K 7 meets triggering lead-in wire GPS1, the GPS2 of GPS; The output of second single-shot trigger circuit connects relay K 3 No. 3 in signal processing circuit is transfinited on described right side.
Describe the principle of work of gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model below in detail, when being used to survey the laser sensor C that whether has train to pass through and detecting the signal of train process, its switch output QC end output high level signal makes No. 1 aerotron VT1 conducting of trigger circuit, be connected on No. 2 relay K 2 adhesives of trigger circuit mouth, its open contact K2-1 closure, No. 5 relay K 5 adhesives, the open contact K5-1 and the K5-2 closure of relay K 5 self.When open contact K5-2 is closed, make relay K 5 keep adhesive; When its open contact K5-1 is closed, (also can adjust the time) time delay circuit work in 3 minutes of forming by Schmidt trigger U1E and U1F etc., guarantee train during passing through, survey effectively (train by the time be generally less than 3 minutes, guarantee monitoring system can be during train passes through normal operation).When train passes through, if---being to transfinite in the left side---when if train has the object of transfiniting, the laser monitoring sensors A detects the object signal that transfinites immediately, the switch output QA end output high level of laser monitoring sensors A, make first Schmidt trigger U1A upset, output low level, 2 seconds high level of first univibrator work output by first 555 time base circuit IC2 is organized into makes No. 1 relay K 1 adhesive.During relay K 1 adhesive, its open contact K1-1 closure makes No. 6 relay K 6 adhesives, and the open contact K6-1 closure of relay K 6 makes relay K 6 keep attracting state; Relay K 6 often open electric shock K6-2 when closed, make No. 7 relay K 7 adhesives, pickup time, capacitor C 5 was off state after being full of electricity by the capacity decision of capacitor C 5, made No. 7 relay K 7 lose operating current and discharged, and got final product in about 2 seconds.During No. 7 relay K 7 adhesives, contact K7-1 and K7-2 closure are controlled the GPS annunciator respectively and are begun to launch alerting signal and light LED light, finish monitoring and warning function.
With often the opening K7-2 contact test switch SA1 in parallel and check the GPS orientator whether use by normal operation of No. 7 relay K 7, relay K 7 often opens on the triggering lead-in wire GPS1 and GPS2 that receives the GPS annunciator in the K7-2 contact simultaneously.
Relay K4 adhesive after 3 minutes (also can adjust the time) time delay circuits being made up of the 3rd, the 4th Schmidt trigger U1E and U1F etc. in the train signal treatment circuit arrive delay time, its normally closed contact K4-1 disconnects, relay K 5, K6 are discharged, relay K 7 often open the K7-2 contact release, the GPS annunciator stops to report to the police, overload alarm buzzer phone HA and train indicator lamp, whole dead electricity such as left and right transfinite indicator lamp LED1, LED2, LED3 etc. stop luminous, recover the monitoring wait state; During relay K 4 adhesives, its open contact K4-2 closure makes time delay circuit quickly recover to wait state.
When if train has the object of transfiniting---if being to transfinite in the right side---laser monitoring sensor B detects the object signal that transfinites immediately, the switch output QB end output high level of laser monitoring sensor B, make second Schmidt trigger U1D upset, output low level, export 2 seconds high level by second univibrator that second 555 time base circuit IC3 is organized into, make No. 3 relay K 3 adhesives, its open contact K3-1 closure, make relay K 6 adhesives, the open contact K6-1 closure of relay K 6 makes relay K 6 keep attracting state; Relay K 6 often open electric shock K6-2 when closed, make No. 7 relay K 7 adhesives, adhesive got final product in about 2 seconds.During relay K 7 adhesives, contact K7-1 and K7-2 closure are controlled the GPS annunciator respectively and are begun to launch alerting signal and light LED light, finish monitoring and warning function.
The utility model has designed in signal processing circuit is transfinited on the left side of signal processing circuit and right side by first 555 time base circuit sheet IC2 and peripheral resistance R 3 thereof, capacitor C 4 and second 555 time base circuit sheet IC3 and peripheral resistance R 10 thereof, first of capacitor C 7 compositions, second single-shot trigger circuit, mainly be when solving relay-operating time and laser acquisition sensor and detecting overrun of train the output signal time less than the contradiction of relay-operating time, concrete principle of work is as follows: when train speed per hour is 250km/h, the article diameters that transfinites 1cm, the energizing signal of laser acquisition sensor output is 0.142ms only, and G2R-2 type relay-operating time is about 10ms, and relay may adhesive fully.So, this circuit used the single-shot trigger circuit formed by 555 time base circuits the trigging pulse broadening of 0.142ms to more than the 2000ms, satisfy the requirement of relay adhesive.The pulse strenching time (width) is by trigger end 6 and the resistance R 3 between the discharge end 7 and capacitor C 4 or the resistance R 10 and capacitor C 7 decisions of time base circuit.
Because it is the successive cars signal that laser sensor C surveys train signal, so the time of continuous probe is longer, does not need stretch circuit, the direct control relay gets final product.
Fig. 5 is the power control circuit figure of gauge-exceeding laser monitoring and alarming system of suspension train power supply.Power control circuit is mainly by charge circuit IC4,24V booster IC5, Switching Power Supply IC6, formations such as relay K 8, K9 and switch.When 220V alternating current supply regular power, relay K 8 adhesives, normally closed contact K8-1 disconnects, and makes battery pack not to circuit supply, uses as redundant electrical power.The 220V alternating current is by Switching Power Supply IC6 output 24V direct current (DC), to power devices.Relay K 9 effects: after turning on the power switch, no matter being to use powered battery still is the 220V AC-powered, as long as circuit output 24V power supply, relay K 9 is adhesive, the master cock of its contacting GPS orientator makes the GPS orientator be in the work wait state.
The GPS power supply uses the 12V rectifier power source, directly uses the three-terminal voltage-stabilizing circuit output voltage to get final product, and interface is " a GPS power supply /+12V " and " GPS power supply/GND ".
The laser acquisition sensor adopts FT90-6000 in the present embodiment, and measurement range is 200mm～6000mm.The GPS annunciator adopts VT300 type GPS orientator, note that in use the GPS annunciator is installed in overpass can see that sky or the preferable place of open degree could use, otherwise if the satellite-signal of major part by building, metal cope, the dense woods etc. stop that receiver can't obtain the coordinate that enough satellite messages calculate the position.After installing according to GPS orientator specification sheets, configure the reception phone number.When in the signal processing circuit during No. 7 relay K 7 adhesives, the GPS orientator begins to send alerting signal, receives the longitude and latitude numerical value of handset displays place of alarm.After mobile phone is received the GPS alarm message, latitude and the longitude data of receiving is input in the address column of the GoogleEarth geographic information system figure in the computing machine, Google Earth geographic information system figure intuitively displays the realistic picture of place of alarm subsequently,
Used relay is G2R-2 type double pole double throw (often opening and two normally closed contacts for two) in the gauge-exceeding laser monitoring and alarming system of suspension train signal processing circuit, and operating voltage is 12V.IC 2, IC3 are time base circuit 555, and Schmidt trigger U1A-U1E adopts CD40106.
Gauge-exceeding laser monitoring and alarming system of suspension train provided by the utility model is installed in the top of object being measured, laser sensor monitoring light is measured from top to bottom, on railway bed or rail, do not need to arrange any reflecting plate or receiving equipment, avoided " ban " of erection unit on the railway basis. It does not affect railroad train normally moves, and does not affect the maintenance circuit. Monitoring system and train, railway, personnel realize comprehensive isolation. This system is automatic monitoring system for unlocking when having train to pass through, to train by the time left and right transfiniting accurately report to the police, when not having train to pass through, monitoring system does not start, and can eliminate the railway personnel and cause the wrong report phenomenon when the maintenance circuit. This system automation degree height, scene are need not the people on duty, can realize the information remote transmission. System has simple installation, cost is moderate and report to the police accurately advantage.
Claims (3)
1. gauge-exceeding laser monitoring and alarming system of suspension train, by the laser acquisition assembly, signal processing circuit and panalarm are formed, it is characterized in that described laser acquisition assembly, signal processing circuit and panalarm are installed in the railway overpass of railway track top, on tunnel or the measurement bracket, the laser acquisition assembly is by three railway overpass that are suspended on the railway track top, on tunnel or the measurement bracket, survey light laser acquisition sensor (A from top to bottom, C, B) combine, middle laser acquisition sensor (C) is positioned at the top of track centerline, a left side, right. two laser acquisition sensors and its spacing are 2225mm, signal processing circuit is by the train signal treatment circuit, left side signal processing circuit and the right side signal processing circuit that transfinites that transfinites is formed, train signal, left side and right side transfinite the input end of signal processing circuit connect respectively in the middle of laser acquisition sensor (C), the output of left side laser acquisition sensor (A) and right side laser acquisition sensor (B), a train signal processing circuit controls left side, the transfinite work of signal processing circuit of right side, described panalarm adopts a GPS annunciator and a left side, the transfinite output of signal processing circuit of right side is joined.
2. gauge-exceeding laser monitoring and alarming system of suspension train according to claim 1 is characterized in that the train signal treatment circuit is made of trigger circuit, relay main control circuit, time delay circuit in the described signal processing circuit; The left side signal processing circuit that transfinites is made of first Schmidt trigger, first single-shot trigger circuit, the relay first subcontrol circuit; The right side signal processing circuit that transfinites is made of second Schmidt trigger, second single-shot trigger circuit, the relay second subcontrol circuit; The output of the trigger circuit of described train signal treatment circuit is succeeded input, the output of electrical equipment main control circuit, time delay circuit and is succeeded the electrical equipment main control circuit; First, second Schmidt trigger is connected on left side the transfinite input end of signal processing circuit second single-shot trigger circuit of first single-shot trigger circuit of signal processing circuit and right side that transfinites respectively, and the electrical equipment first subcontrol circuit, the second subcontrol circuit are succeeded in the output of first, second single-shot trigger circuit respectively; First, second subcontrol circuit of relay and relay main control circuit join, and the output of first, second relay subcontrol circuit connects the GPS annunciator.
3. gauge-exceeding laser monitoring and alarming system of suspension train according to claim 1 and 2, it is characterized in that trigger circuit are by No. 0 relay (K0) in the train signal treatment circuit in the described signal processing circuit, resistance (R6, R7) and No. 1 aerotron (VT1) constitute, the relay main control circuit is by 2,4,5, No. 6 relay (K2, K4, K5, K6) and the contact constitute, time delay circuit is by resistance (R11), electric capacity (C9), the 3rd, the 4th Schmidt trigger (U1E, U1F) and No. 2 aerotrons (VT2) constitute, resistance (R11), electric capacity (C9) is serially connected between 12V power supply and the ground, and the two bonded assembly node connects the 3rd successively, the 4th Schmidt trigger (U1E, U1F) and the base stage of No. 2 aerotrons (VT2); Transfinite first single-shot trigger circuit of signal processing circuit of left side is made of first 555 time base circuit sheet (IC2) and peripheral resistance (R3) thereof, electric capacity (C4), first single-shot trigger circuit (U1A) is connected on the triggering input end of first 555 time base circuit sheet (IC2), and the relay first subcontrol circuit is made of 1,6, No. 7 relay (K1, K6, K7) and contact thereof; Right side signal processing circuit second single-shot trigger circuit that transfinites is made of second 555 time base circuit sheet (IC3) and peripheral resistance (R10) thereof, electric capacity (C7), second single-shot trigger circuit (U1D) is connected on the triggering input end of second 555 time base circuit sheet (IC3), and the relay second subcontrol circuit is made of 3,6, No. 7 relays (K3, K6, K7) and contact thereof; The collecting electrode of the output of trigger circuit in the described train signal treatment circuit---No. 1 aerotron (VT1) connects No. 2 relays (K2) successively, the normally closed contact (K4-1) of No. 4 relays (K4), No. 5, No. 2, No. 0 relay (K5, K2, K0) and the open contact (K5-2 that connects, K2-1, K0-1), No. 6, No. 1, No. 3 relay (K6, K1, K3) and the open contact (K6-1 that connects, K1-1, K3-1) by No. 6 relays (K6) ground connection, described No. 5, No. 2, No. 0 relay (K5, K2, K0) and the open contact (K5-2 that connects, K2-1, K0-1) by relay (K5) ground connection, the open contact (K5-1) of No. 5 relays (K5) connects resistance (R11) in 12V power supply and the time delay circuit, and the collecting electrode of the output of described time delay circuit---No. 2 aerotrons (VT2) connects its normally closed contact (K4-1) by No. 4 relays (K4); The output of first single-shot trigger circuit connects No. 1 relay (K1) in signal processing circuit is transfinited in described left side, the open contact (K6-2) of No. 6 relays (K6) and the resistance (R4) that connects and electric capacity (C5), No. 7 relays (K7) are serially connected in+12V power supply and ground between, the open contact (K7-2) of No. 7 relays (K7) connects the triggering lead-in wire (GPS1, GPS2) of GPS; The output of second single-shot trigger circuit connects No. 3 relays (K3) in signal processing circuit is transfinited on described right side.
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| CN2009201722052U CN201472418U (en) | 2009-05-21 | 2009-05-21 | Hanging train over-limit laser monitoring alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103901499A (en) * | 2014-04-18 | 2014-07-02 | 燕山大学 | C80 vehicle body surface foreign object detection device and method based on three-dimensional reconstruction technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901499A (en) * | 2014-04-18 | 2014-07-02 | 燕山大学 | C80 vehicle body surface foreign object detection device and method based on three-dimensional reconstruction technology |
| CN103901499B (en) * | 2014-04-18 | 2017-04-12 | 燕山大学 | C80 vehicle body surface foreign object detection device and method based on three-dimensional reconstruction technology |
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