CN102128593A

CN102128593A - Pantograph monitoring system

Info

Publication number: CN102128593A
Application number: CN 201010617570
Authority: CN
Inventors: 朱晓东
Original assignee: Individual
Current assignee: NANNAR ELECTRONICS TECHNOLOGY (DONGGUAN) Co Ltd
Priority date: 2010-12-31
Filing date: 2010-12-31
Publication date: 2011-07-20

Abstract

The invention discloses a pantograph monitoring system, which comprises a CCD (Charge Coupled Device) camera, a laser group and a flash light group, wherein the CCD camera, the laser group and the flash light group are connected with a PLC (Programmable Logic Controller) and are controlled to be switched on/off by the PLC controller; the PLC controller is also connected with an industrial computer; and the industrial computer is connected with the CCD camera through a broadband network, and can receive, store and process photos sent by the CCD camera through the broadband network. The industrial computer is used for analyzing and processing an image of a part of the side face of the pantograph head of the pantograph, taken by using the CCD, so that the wearing situation of a sliding plate on the top of the pantograph head of the pantograph and the deformation situations of cleats on two sides can be known clearly and vividly. By adopting the pantograph monitoring system, the wearing situation of the sliding plate of the pantograph and the deformation situations of the cleats can be automatically monitored, high efficiency and high accuracy are achieved, error judgment does not occur easily, and the bow net accident is avoided more reliably.

Description

The pantograph monitoring system

Technical field

The present invention relates to the sled surface abrasion condition of the pantograph used at rail electrically-driven car roof and the system that pantograph goat's horn distortion situation is monitored.

Background technology

Pantograph is a kind of electrically-driven car top that is installed in, in order to obtain the electrical equipment of electric energy from contact net.It is made up of bow part, hinge fraction, underframe and gear train usually, and bow partly comprises the slide plate framework, be installed in the slide plate on the framework and the goat's horn of framework both sides, flowed by slide plate and osculatory sliding contact.In order to guarantee the smooth circulation of pantograph traction current, must reliably contact between the slide plate at pantograph top and the osculatory of contact net, and certain contact pressure is arranged.Yet, pantograph overall height speed is at random advanced, the osculatory relative slide plate slides at pantograph top always in the locomotive traveling process, in the relative sliding process of osculatory and slide plate, can produce friction to slide plate, the conductive material on the slide plate is worn, in case the wearing and tearing transition, contact pressure deficiency between slide plate and the osculatory just may produce accident between pantograph.For fear of the generation of accident between pantograph, must often check, in case the wearing and tearing transition is in time changed to the slide plate of pantograph.In addition, the distortion of bow part goat's horn, though can be at once not influential to the operate as normal of pantograph, because it can cause the mass centre changing of whole bow, work finally can influence the performance of whole pantograph under the long-time deformation state, from the serviceable life of influence bow.

At present, to the detection of pantograph abrasion situation, the method for employing is also more original, mainly is by estimate low, the low precision of its efficient artificial every day in locomotive outbound and warehouse-in; Check result is judged according to artificial experience, occurs erroneous judgement easily.

Summary of the invention

The present invention is intended to provide a kind of pantograph monitoring system of can be automatically the distortion situation of the abrasion condition of the sled surface of pantograph and pantograph goat's horn being monitored, and to improve monitoring efficient and precision, avoids the generation of judging by accident.

Pantograph monitoring system of the present invention, comprise that being installed on monitoring place oblique upper is used for the CCD camera (linear sweep camera) taken pictures in the side of pantograph collector head part, be used for laser array that monitoring place pantograph side is shone, described laser array is installed on monitoring place oblique upper, comprise a plurality of laser instruments that be arranged in parallel, the top of monitoring place also is equipped with the flashlamp group that is made of a plurality of flashlamp that cooperates the CCD camera to take pictures to use; Flashlamp group, CCD camera, laser array and flashlamp group all are connected the PLC controller, control its switching by the PLC controller; The PLC controller also is connected with industrial computer, is connected by broadband network between industrial computer and the CCD camera, can receive the photo that the CCD camera transmits by broadband network, and with its storage with handle.

Abrasion of pantograph pan monitoring system of the present invention, during use, above monitoring place, install earlier CCD camera, laser array and flashlamp group, and adjust the irradiating angle of laser instrument, the irradiating angle of flashlamp and the lens direction and the focal length of CCD camera, make pantograph through out-of-date, flashlamp group, laser array can shine the side of pantograph comprehensively clearly, and the CCD camera can be shot the photo of the high pantograph side of contrast comprehensively, clearly.When pantograph is passed through, PLC controller control laser array, flashlamp group and the work of CCD camera, the CCD camera is taken the coloured image photo of pantograph collector head part side, and the image photograph of taking sent to industrial computer by broadband network, industrial computer receives image, and storage captured image information, simultaneously, industrial computer can be analyzed the image of the pantograph collector head part side taken, handle, by analyzing, handle, can be clear, get information about the abrasion condition of pantograph collector head slide top side, and the distortion situation of the goat's horn of pantograph collector head part both sides.Thereby can realize automatically that efficient and precision height are not prone to erroneous judgement, the more reliable generation of avoiding accident between pantograph to the monitoring of abrasion of pantograph pan situation and goat's horn distortion situation.

Description of drawings

Fig. 1 abrasion of pantograph pan monitoring system of the present invention scheme of installation;

Fig. 2 is the catenation principle figure of the described abrasion of pantograph pan monitoring system of invention.

Embodiment

As a kind of pantograph monitoring system of Fig. 1, Fig. 2, comprise that being installed on monitoring place oblique upper is used for the CCD camera 1 taken pictures in the side of pantograph collector head part, be used for laser array 2 that monitoring place pantograph 6 sides are shone, described laser array comprises a plurality of laser instruments 21, setting parallel to each other, the top of monitoring place also are equipped with the flashlamp group 3 that is made of a plurality of flashlamp; CCD camera, laser array and flashlamp group are connected the PLC controller, control its switching by the PLC controller, the PLC controller also is connected with industrial computer, is connected by broadband network between industrial computer and the CCD camera, can receive the photo that the CCD camera transmits by broadband network, and with its storage and processing.Described laser array can be installed in catenary mast 4 tops on the cantilever 5 that stretches out above the osculatory, and as Fig. 2, it is made up of a plurality of laser instruments 21, parallel equally spaced being installed on the cantilever 5 of each laser instrument.

During use, the appropriate location installs CCD camera, laser array and flashlamp group above monitoring place earlier, and adjust each laser illumination angle of laser array, the irradiating angle of each flashlamp of flashlamp group and the lens direction and the focal length of CCD camera, make pantograph through out-of-date, flashlamp group, laser array can shine the side of pantograph collector head part comprehensively clearly, and the CCD camera can be taken the image of pantograph collector head part side comprehensively clearly.Pantograph by the time, PLC controller control, laser array, flashlamp group and the work of CCD camera, the coloured image of the pantograph collector head part side that the CCD camera is taken, and the coloured image of taking sent to industrial computer by broadband network.Industrial computer receives and stores and handle the color image information of taking, with this colour picture information translation is gray level image, get the boundary profile of pantograph again by gray level image, isolate the laser projection lines again, obtain the pixel length of each lines, converse relevant informations such as pantograph thickness, goat's horn deformation extent, off center distance according to the ratio that configures afterwards.Described abrasion of pantograph pan monitoring system can realize automatically that efficient and precision height are not prone to erroneous judgement, can avoid the generation of accident between pantograph more reliably to the monitoring of abrasion of pantograph pan situation and goat's horn distortion situation.

Described flashlamp group can be a plurality of middle flashlamp of adjacent laser instrument that are arranged on, by laser instrument and the flashlamp that is arranged alternately, laser array and flashlamp group can be shone the side of pantograph fully, comprehensively, uniformly, thereby make CCD camera (linear sweep camera) can obtain the image of the pantograph side of high-contrast fully, comprehensively, clearly.Thereby make industrial computer can receive the photo more clear, that contrast is higher, the data of the pantograph thickness of gained, goat's horn distortion after treatment and off center distance are precision more, and security is higher.

The PLC controller of described pantograph monitoring device also can be connected with send a car detecting sensor and car and cross end detection sensor, the described detecting sensor of sending a car is installed in monitoring place front side, before locomotive arrives monitoring place, sensor can sensed in advance, and send trigger pip for the PLC controller, after the PLC controller received trigger pip, the power turn-on of control laser array, flashlamp group, CCD camera and industrial computer was started working; Car is crossed the rear side that end detection sensor is installed in monitoring place, after pantograph has been crossed this place, when locomotive leaves monitoring place, car is crossed end detection sensor, send end signal to the PLC controller, the PLC controller receives end signal, and control laser array, flashlamp group, CCD camera and the disconnection of industrial computer power supply, quits work.Cross end detection sensor by send a car detecting sensor and car of setting, can control each laser instrument and each flashlamp of flashlamp group and the working time of industrial computer of camera, laser array effectively automatically, make they only pantograph by the time work, then do not work At All Other Times, both saved the energy, very convenient again.

Described send a car detecting sensor and car are crossed end detection sensor and be can be contact-making switch, magnetic cylinder etc., it is existing product, by it is installed in respectively on the track of monitoring place front side and rear side, its can be respectively action when locomotive is come and when having crossed, give the transmission of PLC controller a trigger pip and an end signal respectively.

Claims

1. pantograph monitoring system, it is characterized in that: comprise that being installed on monitoring place oblique upper is used for the CCD camera taken pictures in the side of pantograph collector head part, be used for laser array that monitoring place pantograph side is shone, described laser array is installed on the oblique upper of detection place, it comprises the laser instrument of a plurality of parallel spaced sets, and the top of monitoring place also is equipped with the flashlamp group that is made of a plurality of flashlamp that cooperates the CCD camera to take pictures to use; Flashlamp group, CCD camera, laser array and flashlamp group all are connected the PLC controller, control its switching by the PLC controller; The PLC controller also is connected with industrial computer, is connected by broadband network between industrial computer and the CCD camera, can receive the photo that the CCD camera transmits by broadband network, and storage and processing.

2. pantograph monitoring system according to claim 1 is characterized in that: described flashlamp group comprises a plurality of middle flashlamp of adjacent laser instrument that are arranged on.

3. pantograph monitoring system according to claim 1 and 2, it is characterized in that: described PLC controller also is connected with send a car detecting sensor and car and crosses end detection sensor, sending a car sensor can be before pantograph arrives monitoring place, send trigger pip to the PLC controller, car is crossed end detection sensor can send end signal to the PLC controller after pantograph is left monitoring place.