CN202783255U - Pantograph state real time monitoring and alarming system for electric locomotive - Google Patents

Pantograph state real time monitoring and alarming system for electric locomotive Download PDF

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Publication number
CN202783255U
CN202783255U CN 201220419110 CN201220419110U CN202783255U CN 202783255 U CN202783255 U CN 202783255U CN 201220419110 CN201220419110 CN 201220419110 CN 201220419110 U CN201220419110 U CN 201220419110U CN 202783255 U CN202783255 U CN 202783255U
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circuit
real time
pantograph
main frame
time monitor
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吉荣廷
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Research Institute Of Science & Technology Hohhot Railway Bureau
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Research Institute Of Science & Technology Hohhot Railway Bureau
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Abstract

The invention provides a pantograph state real time monitoring and alarming system for an electric locomotive, which belongs to the technical field of real time monitoring and alarming. The system comprises a pantograph state real time monitoring host machine, a pressure sensor and an upper computer, wherein the pantograph state real time monitoring host machine is respectively connected with the pressure sensor and the upper computer to receive the pressure data collected by the pressure sensor and parameters set by the upper computer. The parameters comprise an air pressure alarm reference value. The pressure sensor is used to collect the pressure data of a pantograph air cylinder and send the pressure data to the pantograph state real time monitoring host machine. The upper computer is ustilized to send the air pressure alarm reference value to the pantograph state real time monitoring host machine. The pantograph state real time monitoring host machine processes the pressure data and compares the same with the air pressure alarm reference value, and judges whether an audible and visual alarm signal isneeds to be sent according to a comparison result and displays the pantograph state in the driver's cab through a video technology. The scheme provided by the utility model solves the problems that in the prior art, the structure is reliable, the reliability is low and the anti-interference capacity is poor and the like, and has the advantages of high precision, stability, reliability, and high degree of intelligentization and the like.

Description

Block of bow collector of electric locomotive status real time monitor warning
Technical field
The utility model belongs to the monitoring, alarming technical field, relates in particular to a kind of warning system for real time monitoring of block of bow collector of electric locomotive state.
Background technology
Along with the development of national economy, electric locomotive has the advantages such as high efficiency, low pollution because of it, more and more be widely adopted in railway transportation; Block of bow collector of electric locomotive is the electrified railway electric locomotive is subjected to obtaining current from contact system device, its slide plate bar directly contacts with contact line conducting wire, be subjected to obtaining current for locomotive from contact line conducting wire, meanwhile, the bow net of electric locomotive failure problems is also more and more outstanding.Because contact system own characteristic: arrange in the open that along railway line length point is many, pantograph and catenary fault very easily occurs and causes power failure in work under bad environment, cuts off traffic; Simultaneously because pantograph rising bow pilot piping blast deficiency causes pantograph carbon slide and contact system virtual connection, producing spark causes the accident of contact system scaling loss or damage locomotive equipment to happen occasionally, therefore the quality of pantograph state directly has influence on the safe operation of train, its fault even may cause transportation to interrupt, this also has been subject to great attention both domestic and external.How in time to understand pantograph and catenary fault, analyzing failure cause, Real-Time Monitoring bow net state ensures that transportation safety is the important topic that the electrified railway operation will be discussed.
At present the most frequently used detection means is the standby parking that pulls in, after falling the bow outage, the staff climbs up roof, pantograph is detected, simultaneously by pantograph being played the analysis of bruise mark mark, judge the mode of operation of running section contact system, not only efficient is low for this method, work capacity is large, and can not detect the real work state of the pantograph that is in operation; To the monitoring of pantograph and catenary fault, also have by the Contact Line Detection car and finish, but inspection vehicle can only arrange to move 3-4 time every year, can not carry out the Real-Time Monitoring of bow net.Along with the development of automatic control technology, about the research of real-time intelligent monitoring pantograph seldom, also be to be in the starting stage even have at present, mostly also rest on theoretical research stage.
In the prior art, by at bow net jerk acceleration transducer and left and right sides limit sensors being installed, utilize automatic control technology in time to learn the running condition of train, realize the monitoring to pantograph and catenary fault.Test macro is comprised of the two large divisions: a part mainly is comprised of wireless receiving and dispatching and sound and light alarm at driver's cab; Another part is on pantograph, jerk acceleration transducer is placed in the middle part of pantograph, high pressure contact wire is sway on the pantograph of length 950mm, when jerk acceleration transducer reaches and surpass the accekeration of a certain regulation, and adaptive late-class circuit energy and the alarm of jerk acceleration transducer; When less than the accekeration of this regulation, late-class circuit is not reported to the police.Left and right sides limit sensors is installed on respectively on the position of pantograph center-point 475mm, in service, if contact wire exceeds this scope, also reach alarm with the adaptive signal processing circuit of left and right sides limit sensors respectively, notify the driver to open monitoring system and observe failure condition, in order to solve the problem that occurs.
The main deficiency of prior art is that technology is not mature enough, stable, also has the reasons such as the monitoring condition is single simultaneously, causes practical not strong.Specifically: system can realize to the self check of circuit and when the bow net et out of order and alarm.The problem that this method exists, the one, sensor and adapter only have working properlyly could prove whole monitoring system reliable operation, practicality, and when locomotive operation, they place roof, directly are in the high-pressure work environment of 25KV, and working stability is poor; The 2nd, when warning has occured, reinform the driver and open monitoring system observation failure condition, there is larger time delay in such design, can not in time solve the problem of generation; The 3rd, communication issue, radio communication is adopted in this design, is operated in simultaneously in the hyperbaric environment, and it is more intense to be subject to external environmental interference, has had a strong impact on the reliability of communication; It is more single to design the monitoring condition in addition, only the contact portion of pantograph and contact system is monitored, comprehensive not.
The utility model content
The purpose of this utility model is to provide a kind of warning system for real time monitoring of block of bow collector of electric locomotive state, overcomes existing the problems referred to above in the prior art, with the accident potential that prevents to be brought by bow failure.
For realizing above purpose, the utility model proposes a kind of warning system for real time monitoring of block of bow collector of electric locomotive state, this system comprises pantograph status real time monitor main frame, pressure sensor and upper computer; Wherein, pantograph status real time monitor main frame is connected with upper computer with pressure sensor respectively, receives the pressure data of pressure sensor collection and the parameter that upper computer arranges, and described parameter comprises the wind pressure alarm a reference value; Pressure sensor is used for gathering the pressure data of pantograph reservoir, and pressure data is sent to pantograph status real time monitor main frame; Upper computer is used for the wind pressure alarm a reference value is sent to pantograph status real time monitor main frame; Pantograph status real time monitor main frame is processed pressure data and is compared with the wind pressure alarm a reference value, judges whether to send the sound and light alarm signal according to comparative result.
According to an aspect of the present utility model, described system also comprises pantograph status real time monitor slave, be connected to receive the data that pantograph status real time monitor main frame sends with described pantograph status real time monitor main frame, and send the alerting signal identical with pantograph status real time monitor main frame; Described pantograph status real time monitor slave is arranged in different driver's cabs with described pantograph status real time monitor main frame.
According to an aspect of the present utility model, described system also comprises video probe and display plotter, and wherein said video probe is installed in roof, gathers the video image of pantograph and passes to display plotter to show the real-time status of pantograph.
According to an aspect of the present utility model, described system also comprises video probe, the first display plotter and the second display plotter, wherein the first display plotter and pantograph status real time monitor main frame are arranged in same driver's cab, and the second display plotter and pantograph status real time monitor slave are arranged in same driver's cab; Described video probe is installed in roof, be used for to gather the video image of pantograph and pass to the first display plotter and the second display plotter to show the real-time status of pantograph.
According to an aspect of the present utility model, described pantograph status real time monitor main frame comprises central process unit, communication circuit, clock and memory circuit, power circuit and imput output circuit; Wherein, central process unit is processed data, communication circuit is used for communicating with upper computer, clock and memory circuit are used for arranging clock and the storage data of main frame, power circuit is used for the power supply of pantograph status real time monitor main frame, and imput output circuit is used for receiving image data and the output alarm signal of pressure sensor.
According to an aspect of the present utility model, described central process unit comprises the A/D change-over circuit, be used for the image data execution digital to analogy conversion to the pressure sensor that receives, central process unit further is averaging computing to the execution of the data after conversion weighting and compares with the warning a reference value; Described communication circuit adopts the communication circuit of RS485 interface, uses RS232 to turn the RS485 circuit in the RS232 port of upper computer and realizes and the communicating by letter of pantograph status real time monitor main frame; Clock and memory circuit comprise the DS1302 chip, and its 32 byte data memory devices that carry are used for back-up storage dividing potential drop warning a reference value, also comprise the TF card, are used for the data that storage causes warning; The electric power of power circuit is taken from the 110V power supply of locomotive, and comprises that voltage conversion circuit reduces to 24V, is used for the circuit supply that pressure sensor and pantograph status real time monitor main frame are comprised; Imput output circuit comprises image data input circuit, LED warning circuit, buzzer alarm circuit, warning alleviation circuit, wherein the image data input circuit be used for the analog data transmissions of pressure sensor to central process unit with further processing, LED warning circuit and buzzer alarm circuit receive the order of central process unit to send sound and light alarm, the alleviation circuit of reporting to the police passes to central process unit with the control buzzer alarm circuit with the warning mitigation signal, makes its stop alarm.
According to an aspect of the present utility model, described pantograph status real time monitor main frame comprises central process unit, communication circuit, clock and memory circuit, power circuit and imput output circuit; Wherein, central process unit is processed data, communication circuit is used for communicating with upper computer and pantograph status real time monitor slave, clock and memory circuit are used for arranging clock and the storage data of main frame, power circuit is used for the power supply of pantograph status real time monitor main frame, and imput output circuit is used for receiving image data and the output alarm signal of pressure sensor.
According to an aspect of the present utility model, described central process unit comprises the A/D change-over circuit, be used for the image data execution digital to analogy conversion to the pressure sensor that receives, central process unit further is averaging computing to the execution of the data after conversion weighting and compares with the warning a reference value; Described communication circuit adopts the communication circuit of RS485 interface, use RS232 to turn the RS485 circuit in the RS232 port of upper computer and realize and the communicating by letter of pantograph status real time monitor main frame, directly communicate by the RS485 interface between pantograph status real time monitor main frame and the pantograph status real time monitor slave; Clock and memory circuit comprise the DS1302 chip, and its 32 byte data memory devices that carry are used for back-up storage dividing potential drop warning a reference value, also comprise the TF card, are used for the data that storage causes warning; The electric power of power circuit is taken from the 110V power supply of locomotive, and comprises that voltage conversion circuit reduces to 24V, is used for the circuit supply that pressure sensor and pantograph status real time monitor main frame are comprised; Imput output circuit comprises image data input circuit, LED warning circuit, buzzer alarm circuit, warning alleviation circuit, wherein the image data input circuit be used for the analog data transmissions of pressure sensor to central process unit with further processing, LED warning circuit and buzzer alarm circuit receive the order of central process unit to send sound and light alarm, the alleviation circuit of reporting to the police passes to central process unit with the control buzzer alarm circuit with the warning mitigation signal, makes its stop alarm.
Compared with prior art, the utility model utilizes combine with automatic control technology method design of hyundai electronics to finish.Utilize automatic control technology, gather block of bow collector of electric locomotive pilot piping upward pressure, then through calculating, judging the result is showed with sound, light form, the automatic alarm crew member is in order in time take measures, eliminate accident potential, cause the burning net fault of locomotive to prevent pantograph rising bow pilot piping blast deficiency, guarantee traffic safety, simultaneously can real-time monitored pantograph state by video, the line item of going forward side by side.Realized block of bow collector of electric locomotive state real-time dynamic monitoring, when pantograph and catenary fault occured, system in time warning reminding crew member eliminated accident potential in order to take measures.Timely analysis, the duty of processing, fall after the design occurs fault have simultaneously also played certain positive role, and experience, data by constantly from the operation practice, accumulating, analyze in theory on the basis of bow net matching relationship, for condition and the method for improving the bow net smooth operation provides sufficient theoretical foundation.Design has fail-safe principle in addition, and any part of guard system does not break down, and all can never have influence on the normal use of the normal operation of locomotive and existing equipment.
Description of drawings
Fig. 1 is the scheme drawing of block of bow collector of electric locomotive status real time monitor warning the first embodiment that the utility model proposes;
Fig. 2 is the scheme drawing of block of bow collector of electric locomotive status real time monitor warning the second embodiment that the utility model proposes;
Fig. 3 is the structural representation of pantograph status real time monitor main frame;
Operational flowchart when Fig. 4 is the operation of pantograph status real time monitor main frame;
Fig. 5 is the circuit diagram of pantograph status real time monitor main frame;
Fig. 6 is the man-machine interface figure of upper computer.
The specific embodiment
The following stated is better embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Fig. 1 is the first embodiment that the utility model proposes.As shown in Figure 1, the pantograph status real time monitor warning of the first embodiment is used for the electric locomotive of SS4 type, because the driver's cab of SS4 type electric locomotive has reservoir system separately, so identical system as shown in Figure 1 is set in each driver's cab.
Referring to Fig. 1, block of bow collector of electric locomotive status real time monitor warning mainly comprises pantograph status real time monitor main frame, pressure sensor and upper computer.Wherein, pantograph status real time monitor main frame is the core of system, is used for data analysis and processing to the pressure sensor collection, and judges whether to send the sound and light alarm signal according to the result who analyzes and process.Pressure sensor be used for to gather the pantograph blast, and the data after will gathering send to pantograph status real time monitor main frame, and pressure sensor is arranged on reservoir pipeline place.Owing to the performance of every locomotive, each pressure sensor is incomplete same, in order to reach accurate monitoring, to carry out experiments supporting and record actual parameter every locomotive and its corresponding sensor, such as wind pressure alarm a reference value etc., upper computer is written into these actual parameters in the pantograph status real time monitor main frame.In system's operational process, pantograph status real time monitor main frame is carried out the operations such as processing, judgement, storage to the pressure information that collects constantly.Block of bow collector of electric locomotive status real time monitor warning also can comprise video probe and display plotter, and video probe can be installed near the pantograph of roof, and the pantograph state is shown in real time on the read-out of display plotter.Certainly, display plotter also can merge with pantograph status real time monitor main frame, shows the real-time status of pantograph by the read-out of pantograph Real-Time Monitoring main frame.
Fig. 2 is the second embodiment that the utility model proposes.As shown in Figure 2, the pantograph status real time monitor warning of the second embodiment is used for the electric locomotive of SS3 type, because its A, B driver's cab share a cover compressed air pipe line, therefore in a driver's cab pantograph status real time monitor main frame is set therein, pantograph status real time monitor slave is set in another driver's cab, main frame is responsible for by the RS485 bus necessary data being passed to slave, guarantees that host and slave processors shows, reporting to the police is consistent.
Referring to Fig. 2, the second embodiment comprises the described upper computer of the first embodiment, pantograph status real time monitor main frame, pressure sensor, video probe and display plotter, also comprise pantograph status real time monitor slave and the second display plotter, wherein be connected by the RS485 bus between pantograph status real time monitor slave and the main frame, the data that Receiving Host transmits, the second display plotter is connected with video probe, to show the real-time status of pantograph, certainly, the second display plotter also can be combined in the Real-Time Monitoring slave.
The system that the utility model proposes can realize following one or more target:
1. accurately, in time, automatically gather the reservoir status information
Bow failure takes place frequently, and accident potential is a lot, holds and takes advantage of personnel slightly not note, will affect traffic safety.This is the most basic task of native system accurately, in time, automatically to gather the reservoir status information, and can relate to Real-Time Monitoring pantograph state, ensures transportation safety, so must absolutely accurate to the collection of reservoir status information.This just requires the algorithm process of the selection of sensor and collection signal has been proposed requirements at the higher level, accurately, in time, automatically gather the reservoir status information, when pressure is lower than boundary value, sends sound and light alarm, in time takes measures to remind the crew member.
2. report to the police and reliably, do not cause pollution from environmental noise
In the middle of the locomotive real-world operation, be subject to all-environment interference, the noise of driver's cab is very large, causes crew member's attention for avoiding single warning to be not enough to, and native system requires to take sound, the same alarm of light dual mode.Dual alarm has guaranteed timely status information from pantograph to the crew member that feed back, causes their attention, in time to take corresponding measure.During the locomotive normal operation, the pressure of air reservoir and supplementary reservoir (it is used to aim at pantograph) is to have certain requirements, and when pressure is lower than boundary value, sends sound and light alarm, in time takes measures to remind the crew member; In case when pressure recovery boundary was above, sound and light alarm automatically terminated; For travelling improper, give the alarm as undervoltage condition occurring during maintenance etc., affect the situation of staff's operating environment, native system requires that artificial releasing audible alarm device will be arranged, but the state of indicator lamp is consistent with the real-time status of pantograph.
3. the record of status information
In case the burning net fault that pantograph rising bow pilot piping blast deficiency causes locomotive occurs, how fault is in time analyzed, processes, fallen to blaming, become a difficult matter of puzzlement relevant departments.Therefore native system requires and will record be arranged to the status information of locomotive pipeline, in time to analyze, process, to fall duty after making things convenient for fault to occur, simultaneously by continuous experience, the data that from the operation practice, accumulate, analyze in theory on the basis of bow net matching relationship, for condition and the method for improving the bow net smooth operation provides theoretical foundation.
4. communication and parameter setting
Adopt RS-485 communication between main frame and the slave, main frame sent one group of data every 0.5 second to slave, guaranteed promptness and the controllability of demonstration, if slave is not received any information from main frame in 30 seconds, then send sound and light alarm, remind crew member's devices communicating to be in error state; Also can carry out necessary control to main frame at the slave end simultaneously, send warning such as the under-voltage equipment that causes of pantograph, can alleviate simultaneously the audible alarm of slave by " report to the police and alleviate " button at the slave end.Because the performance of every locomotive, each pressure sensor is incomplete same, in order to reach accurate monitoring, to carry out experiments supporting to every locomotive and its corresponding sensor, the actual parameter that experiment is recorded (for example passes through upper computer, notebook PC) is written into pantograph status real time monitor main frame, to reach the accurate monitoring of equipment.
5. meet fail-safe principle
This system is as safe driving equipment, and its attribute has determined that it must meet fail-safe principle, and namely any part of guard system does not break down, and all can never have influence on the normal use of the normal operation of locomotive and existing equipment.
6. stable performance, easy care simple in structure
Consider the abominable of on-the-spot environment for use and to the technical requirements of equipment management personnel and alleviate personnel's working strength, selectivity is stable as far as possible, the scheme of simple in structure and easy care.
For reaching above-mentioned one or more target, below the utility model specifically describe the structure of each component part of system.
Pantograph status real time monitor main frame of the present utility model comprises central process unit, communication circuit, clock and memory circuit, power circuit, imput output circuit etc.Its entire block diagram as shown in Figure 3.
As shown in Figure 3, central process unit is the processing core of Real-Time Monitoring main frame.Concrete, can select the micro controller system C8051F320 of dragon company of Xinhua production as central process unit, its stable performance, the technology comparative maturity can satisfy designing requirement of the present utility model on function.It carries 10 successive approximation A/D conversions of 8 road 200ksps, can accurately calculate the pressure on the number value on the pilot piping, the A/D translation function of utilizing it to carry, behind the data analogue to digital conversion that collects, utilize the weighting method of averaging to process, calculate, then compare with the warning a reference value and judge, and then carry out output control; Detect in real time " report to the police and alleviate " button actions, when detecting " report to the police and alleviate " button actions, then remove audible alarm, before fault does not solve, indicator lamp is reported to the police and is normally indicated always, has avoided so not needing (to note) causing noise emission in the situation as successfully having reminded bus attendant; This part is controlled the communication of whole system and data access simultaneously and is responded.
Between the host and slave processors of SS3 type electric locomotive A, B driver's cab, adopt the RS-485 communication circuit, ripe RS-485 technology and make communication protocol by oneself and guaranteed communicate by letter and stablize, reliably.When parameter arranges, also be to utilize this communication interface and upper computer to carry out data exchange, difference be in the RS-232 port of upper computer by a RS-232 turn the RS-485 circuit.
Clock circuit of the present utility model is selected the DS1302 chip, its precision satisfies the design's requirement fully, it carries 32 byte data memory devices simultaneously, is used as the backup storage district of the call parameters such as wind pressure alarm a reference value, has avoided the TF card mistake to occur and has caused that system works is unusual.By upper computer (computing machine) its parameter is once arranged before native system only need use, all judge as standard subsequently.In addition, system once stored its principal data every a second, in time preserve for the data that cause warning in addition, these data also provide the firsthand data for further studying from now on pantograph contact line relation simultaneously for timely analysis, the duty of processing, fall of fault after occuring provides important evidence.What storage medium adopted is the 1GTF card, moves continuously with system and calculates, and probably can preserve the data in 1 year, in case data from overflow also is the principle of taking first in first out; For the call parameter of the normal operation of system, adopt the double copies principle.
The 110V power supply on the locomotive is directly taken from the electric power input of power circuit of the present utility model, voltage conversion circuit by power circuit is reduced to 24V, it is divided into two-way, one the tunnel directly powers to sensor, another road warp is from design circuit, transfer respectively 3.3V and 5V to for control circuit, wherein 3.3V powers to central process unit, and 5V is to peripheral components (such as warning circuit etc.) power supply.
Imput output circuit comprises image data input circuit, LED warning circuit, buzzer alarm circuit, warning alleviation circuit.Wherein the image data input circuit be used for the analog data transmissions of pressure sensor to central process unit with further processing, LED and buzzer alarm circuit receive the order of central process unit to send sound and light alarm, the alleviation circuit of reporting to the police passes to central process unit with the control buzzer alarm circuit with the warning mitigation signal, makes its stop alarm.
Fig. 4 shows the main operational steps of monitoring main frame.Behind system initialization, the TF card is checked, and arrange and preserve such as parameters such as warning a reference values, then read this parameter, preserve boot-strap information and read TF card address.After above-mentioned dead work is finished, obtain sensor states and judge whether sensor is normal, if mal then sends sound and light alarm, if normal, then obtain the data that sensor gathers, carry out the A/D conversion, behind the A/D end of conversion, carry out data as indicated above and process, be averaging etc. such as weighting, according to making comparisons between the data after processing and the warning a reference value, judge whether reservoir is under-voltage, if under-voltage then sound and light alarm is alleviated the alleviation request that button sends if at this moment receive, then stop jingle bell, when reservoir is under-voltage, data at this moment are saved to the TF card.This flow process is carried out in circulation.
Fig. 5 shows the circuit diagram of pantograph status real time monitor main frame.
For pantograph status real time monitor slave, it has following functions: the information that correct Receiving Host passes over, docking collection of letters breath are processed and are sent corresponding information to main frame.The realization of the implementation of these functions and main frame corresponding function is basic identical, and therefore, identical function can be used identical circuit, if but slave need not data analysis and the judgement to gathering, so just need not for example image data input circuit.With the communicating by letter of main frame in, adopt time division multiplexing mode, guaranteed information correctly, reliably transmission; In this design, no matter be at the A driver's cab, or can both be to two indoor operate controls at the B driver's cab; If slave does not receive any information of main frame more than 30 seconds, it is with the alarm garble.
In upper computer, the parameter setting module of pantograph status real time monitor warning is housed, it utilizes VB6.0 to be compiled into friendly human-computer interaction interface, as shown in Figure 6.Utilize communicating by letter between the realization of MSComm control and the monitoring main frame, the serial port setting default baud rate is 9600bps, no parity, 8 bit data positions and 1 stop bit.
When main frame just powers on, waited for for 30 seconds, can arrange time, vehicle license number, device type, air reservoir and pantograph parameters and TF card memory address during this.The staff only need input corresponding parameter, then clicks the corresponding button and can finish setting.Can carry out an in real time detection to parameter facilities and machine operation at " reception area " simultaneously.
Design of the present utility model relates to a plurality of technical fields such as automatic control, applying electronic, video, photoelectricity, communication, computing machine, sensor, machinery and anti-forceful electric power, is the integrated application of multiple technologies and principle.The radical function that the system that proposes possesses is as follows:
1. by installing the pressure acquisition device additional at the block of bow collector of electric locomotive pilot piping, automatically monitor blast;
2. when blast was not enough, system sent sound and light alarm, and the voice suggestion faulty condition;
3. by install video probe real-time monitored, record pantograph running state additional at roof, be in time to find fault, take measures and in the future fault and accident analysis offered help.
The principal feature that this system possesses is as follows:
1. system establishes one's own system, and contacts and the phase mutual interference without any with existing equipment on the locomotive.
2. simple, the technology comparative maturity that uses of system architecture has preferably reliability and stability.
3. system operates very simple and fast, meets field operation personnel custom, and intuitive display is eye-catching.
4. the main portion of system such as main frame, handset etc. have extensively adopted new single chip machine technology, RS485 cable communicating technology, multiple Anti-Jamming Technique etc., modern design, and advanced technology, working stability is reliable, and intelligent degree is higher.
5. monitoring condition is more comprehensive, existing monitoring to current collecting bow lifting bow pilot piping, have again whole to it and with the Real-Time Monitoring of contact system contact condition, be quite comprehensively block of bow collector of electric locomotive status real time monitor warning of a cover monitoring condition.
6. system meets fail-safe principle.
The key technical indexes that system reaches is as follows:
1. system is applicable to existing all electric locomotives;
2. data communication: adopt the RS-485 signalling methods, baud rate is 9600bps, no parity position, 8 bit data positions, 1 stop bit;
3. pressure sensor: power supply is 24VDC, and precision is 0.5%FS, and range is 0-1.0MP, is output as 4-20Madc;
4. weight of equipment and oad: the heavy 1500g of main frame is of a size of 150 * 110 * 45mm, and the heavy 1500g of slave is of a size of 150 * 110 * 45mm;
5. the host and slave processors power supply is 110VDC.
Description by above the utlity model has following advantage as can be known:
1. the parts such as the main portion of system such as main frame, handset, communication and storage have extensively adopted new single chip machine technology, the RS485 communication technology, multiple Anti-Jamming Technique etc., modern design, and advanced technology, working stability is reliable, and intelligent degree is higher.
2. be applicable to the vehicle identical with SS3 type block of bow collector of electric locomotive mode with the SS4 type, equipment interoperability is strong, and erection work is simple, for other vehicles, changes a little same applicable.
3. the single equipment of the condition of in the past monitoring is removed in difference, this monitoring of equipment condition is more comprehensive, existing monitoring to current collecting bow lifting bow pilot piping, have again whole to it and with the Real-Time Monitoring of contact system contact condition, be quite comprehensively block of bow collector of electric locomotive status real time monitor warning of a cover monitoring condition.
4. per second is stored the real time data of a pantograph blast pilot piping, and this provides first-hand True Data to further studying from now on pantograph contact line relation, is the design's the bright spot that has.
5. control, displaying scheme is more reasonable, corresponds to actual needs, and do not increase again crew member's work load.
6. this system is as safe driving equipment, and its attribute has determined that it must meet fail-safe principle, and namely any part of guard system does not break down, and all can never have influence on the normal use of the normal operation of locomotive and existing equipment.
Native system has had large increase than the existing system of recognizing at present on main performance and monitoring condition.For the ease of comparing, it is as follows with the contrast table that this equipment mainly improves performance to list existing installation:
Sequence number The contrast project Existing installation This equipment
1 Design plan Complicated, reliability is low Simple, reliable
2 The monitoring condition More single More comprehensive
3 Have or not the data hold function Nothing Have
4 Data communication mode Wireless RS485 is wired
5 Communication is disturbed degree Larger Very little
6 The installation of sensors difficulty Difficult Easier
7 Have or not fail-safe principle Uncertain Have
Should note; the specific embodiment that the utility model proposes is the purpose for illustrating only; as the restriction to the utility model protection domain, those skilled in the art can not make amendment to obtain the multiple embodiment that is applicable to different actual conditions to the specific embodiment of the present utility model.

Claims (8)

1. block of bow collector of electric locomotive status real time monitor warning is characterized in that:
Described system comprises pantograph status real time monitor main frame, pressure sensor and upper computer;
Wherein, pantograph status real time monitor main frame is connected with upper computer with pressure sensor respectively, receives the pressure data of pressure sensor collection and the parameter that upper computer arranges, and described parameter comprises the wind pressure alarm a reference value;
Pressure sensor is used for gathering the pressure data of pantograph reservoir, and pressure data is sent to pantograph status real time monitor main frame;
Upper computer is used for the wind pressure alarm a reference value is sent to pantograph status real time monitor main frame;
Pantograph status real time monitor main frame is processed pressure data and is compared with the wind pressure alarm a reference value, judges whether to send the sound and light alarm signal according to comparative result.
2. system according to claim 1 is characterized in that:
Described system also comprises pantograph status real time monitor slave, is connected with described pantograph status real time monitor main frame to receive the data that pantograph status real time monitor main frame sends, and sends the alerting signal identical with pantograph status real time monitor main frame;
Described pantograph status real time monitor slave is arranged in different driver's cabs with described pantograph status real time monitor main frame.
3. system according to claim 1 is characterized in that:
Described system also comprises video probe and display plotter, and wherein said video probe is installed in roof, gathers the video image of pantograph and passes to display plotter to show the real-time status of pantograph.
4. system according to claim 2 is characterized in that:
Described system also comprises video probe, the first display plotter and the second display plotter, wherein the first display plotter and pantograph status real time monitor main frame are arranged in same driver's cab, and the second display plotter and pantograph status real time monitor slave are arranged in same driver's cab; Described video probe is installed in roof, be used for to gather the video image of pantograph and pass to the first display plotter and the second display plotter to show the real-time status of pantograph.
5. system according to claim 1 is characterized in that:
Described pantograph status real time monitor main frame comprises central process unit, communication circuit, clock and memory circuit, power circuit and imput output circuit; Wherein, central process unit is processed data, communication circuit is used for communicating with upper computer, clock and memory circuit are used for arranging clock and the storage data of main frame, power circuit is used for the power supply of pantograph status real time monitor main frame, and imput output circuit is used for receiving image data and the output alarm signal of pressure sensor.
6. system according to claim 5 is characterized in that:
Described central process unit comprises the A/D change-over circuit, is used for the image data execution digital to analogy conversion to the pressure sensor that receives, and central process unit further is averaging computing to the execution of the data after conversion weighting and compares with the warning a reference value;
Described communication circuit adopts the communication circuit of RS485 interface, uses RS232 to turn the RS485 circuit in the RS232 port of upper computer and realizes and the communicating by letter of pantograph status real time monitor main frame;
Clock and memory circuit comprise the DS1302 chip, and its 32 byte data memory devices that carry are used for back-up storage dividing potential drop warning a reference value, also comprise the TF card, are used for the data that storage causes warning;
The electric power of power circuit is taken from the 110V power supply of locomotive, and comprises that voltage conversion circuit reduces to 24V, is used for the circuit supply that pressure sensor and pantograph status real time monitor main frame are comprised;
Imput output circuit comprises image data input circuit, LED warning circuit, buzzer alarm circuit, warning alleviation circuit, wherein the image data input circuit be used for the analog data transmissions of pressure sensor to central process unit with further processing, LED warning circuit and buzzer alarm circuit receive the order of central process unit to send sound and light alarm, the alleviation circuit of reporting to the police passes to central process unit with the control buzzer alarm circuit with the warning mitigation signal, makes its stop alarm.
7. system according to claim 2 is characterized in that:
Described pantograph status real time monitor main frame comprises central process unit, communication circuit, clock and memory circuit, power circuit and imput output circuit; Wherein, central process unit is processed data, communication circuit is used for communicating with upper computer and pantograph status real time monitor slave, clock and memory circuit are used for arranging clock and the storage data of main frame, power circuit is used for the power supply of pantograph status real time monitor main frame, and imput output circuit is used for receiving image data and the output alarm signal of pressure sensor.
8. system according to claim 7 is characterized in that:
Described central process unit comprises the A/D change-over circuit, is used for the image data execution digital to analogy conversion to the pressure sensor that receives, and central process unit further is averaging computing to the execution of the data after conversion weighting and compares with the warning a reference value;
Described communication circuit adopts the communication circuit of RS485 interface, use RS232 to turn the RS485 circuit in the RS232 port of upper computer and realize and the communicating by letter of pantograph status real time monitor main frame, directly communicate by the RS485 interface between pantograph status real time monitor main frame and the pantograph status real time monitor slave;
Clock and memory circuit comprise the DS1302 chip, and its 32 byte data memory devices that carry are used for back-up storage dividing potential drop warning a reference value, also comprise the TF card, are used for the data that storage causes warning;
The electric power of power circuit is taken from the 110V power supply of locomotive, and comprises that voltage conversion circuit reduces to 24V, is used for the circuit supply that pressure sensor and pantograph status real time monitor main frame are comprised;
Imput output circuit comprises image data input circuit, LED warning circuit, buzzer alarm circuit, warning alleviation circuit, wherein the image data input circuit be used for the analog data transmissions of pressure sensor to central process unit with further processing, LED warning circuit and buzzer alarm circuit receive the order of central process unit to send sound and light alarm, the alleviation circuit of reporting to the police passes to central process unit with the control buzzer alarm circuit with the warning mitigation signal, makes its stop alarm.
CN 201220419110 2012-08-15 2012-08-15 Pantograph state real time monitoring and alarming system for electric locomotive Active CN202783255U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105882690A (en) * 2016-06-16 2016-08-24 成都畅通机车车辆技术开发有限公司 Intelligent monitoring system for wind source system of locomotive
CN106093786A (en) * 2016-06-30 2016-11-09 上海汽车集团股份有限公司 Electric automobile collision high pressure power-off validation test method
CN108981625A (en) * 2018-08-15 2018-12-11 东莞市诺丽电子科技有限公司 A kind of vehicle-mounted pantograph monitoring system of monorail train and monitoring method
CN109484415A (en) * 2018-09-29 2019-03-19 大同新成新材料股份有限公司 A kind of pantograph carbon slide inclination angle measurement monitoring device and its monitoring method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105882690A (en) * 2016-06-16 2016-08-24 成都畅通机车车辆技术开发有限公司 Intelligent monitoring system for wind source system of locomotive
CN106093786A (en) * 2016-06-30 2016-11-09 上海汽车集团股份有限公司 Electric automobile collision high pressure power-off validation test method
CN108981625A (en) * 2018-08-15 2018-12-11 东莞市诺丽电子科技有限公司 A kind of vehicle-mounted pantograph monitoring system of monorail train and monitoring method
CN109484415A (en) * 2018-09-29 2019-03-19 大同新成新材料股份有限公司 A kind of pantograph carbon slide inclination angle measurement monitoring device and its monitoring method
CN109484415B (en) * 2018-09-29 2019-09-20 大同新成新材料股份有限公司 A kind of pantograph carbon slide inclination angle measurement monitoring device and its monitoring method

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