The online automatic checkout system of bullet train pantograph state
Technical field
The utility model relates to high-speed railway online automatic detection technical field, is a kind of online automatic checkout system that is used for bullet train pantograph state.
Background technology
Along with improving constantly of railway system's overall trip speed, in order to guarantee that electric locomotive moves safely and steadly, status monitoring to each key position of electric locomotive just seems particularly important, wherein to the detection of contact condition between pantograph and the contact net, particularly the state-detection of pantograph in the high-speed cruising is exactly a most important content.
The pantograph device for dynamically detecting of research and development mainly contains three major types at present, the first utilizes ultrasonic sensor to measure the pantograph state, it two is to utilize CCD camera pantograph state to differentiate the pantograph state by Flame Image Process then, and it three is vehicular pantograph pick-up units.First method at first can't be measured the pantograph profile because ultrasonic sensor itself, and next only is applicable to that the low speed train can't measure the pantograph state of the train of running at high speed, and is subjected to the outer room environmental impact big once more; The second method data processing complex, can't the real-time judge pantograph abrasion state and abrasion trend, and be subject to climatic influences such as high light and rain, mist, snow; The third method is because require on every train that needs monitoring this type of device to be installed, so invest greatlyyer, and the camera of this type of device is in elevation angle duty, can't detect the workplace of pantograph.
The utility model content
Technical problem to be solved in the utility model is to overcome the defective that prior art exists, accurately the transformation that state is repaiied is repaiied in the pantograph abrasion state of judgement bullet train and the plan of realization pantograph, the accident between pantograph that prevention causes because of the pantograph abrasion proposes a kind of online automatic checkout system of novel high speed train pantograph state based on laser distance measuring principle.
The online automatic checkout system of bullet train pantograph state that the utility model proposed is when photoelectric sensor detects approaching train, produce trigger pip, and start detection point Comprehensive Control unit, trigger the line laser sensor and detect pantograph profile, pantograph disalignment, pantograph inclination, slide plate abrasion etc. automatically; The point laser sensor detects the distance of pantograph automatically, is used to proofread and correct the detection error of being brought by train vibration; High-speed camera is taken pantograph contact picture picture.To detect to such an extent that the image of data and shooting is transmitted into the check point central apparatus by the signal transmitter unit then, and the survey data are carried out analyzing and processing (institute's altimetric image is stored), thereby judge that slide plate abrasion situation, pantograph heeling condition, slide plate crackle state, slide plate fault such as lose by signal receiving unit.If find that pantograph breaks down this moment, then trigger alarm unit and report to the police, with the prompting staff.The photo that the staff can access under this alarm condition is confirmed, and is taken measures.If pantograph is no abnormal, then the vehicle ID data that receive according to survey data and signal receiving unit are made this pantograph abrasion trend prediction, thereby can effectively be prevented the generation of pantograph and contact net accident.
The technical solution of the utility model:
The online automatic checkout system of this bullet train pantograph state comprises: Remote Network Monitoring central apparatus and at least one check point equipment, described check point equipment is connected by wireless network with described Remote Network Monitoring central apparatus.
Described check point equipment comprises check point front-end equipment and check point central apparatus, and described check point front-end equipment is connected by wireless network or optical fiber with described check point central apparatus.
Described check point front-end equipment comprises: signal gathering unit, check point Comprehensive Control unit and signal transmitter unit, described signal gathering unit, check point Comprehensive Control unit are connected successively with the signal transmitter unit.
Described signal gathering unit comprises photoelectric sensor, some laser sensor, line laser sensor, high-speed camera; Described photoelectric sensor, some laser sensor, line laser sensor, high-speed camera are connected with described check point Comprehensive Control unit respectively.
All vertical and equidistant layout of described line laser sensor with track centerline.During described line laser working sensor to laser beam of tested pantograph pan emission, the laser beam border that any two adjacent of front and back are transmitted into tested pantograph pan covers tested pantograph surface, and on the track centerline direction, overlapping, the laser beam total length is no less than tested pantograph pan length.
Described some laser sensor equidistantly arranged on the straight line vertical with track centerline.Described high-speed camera is installed on the track centerline.
Described check point central apparatus is connected by wireless network with car number (IP) recognition system of vehicle base.And described check point central apparatus comprises signal receiving unit, signal processing unit, warning and trend prediction unit and network equipment; Described signal receiving unit, described warning and trend prediction unit are connected with described signal processing unit respectively with described network equipment, and described network equipment is connected with described remote monitoring center equipment wireless.
The beneficial effects of the utility model:
Realize real-time detection by adopting this automatic detection device to the train pantograph state of running at high speed, can find the pantograph fault in time, exactly, predict the abrasion trend of pantograph simultaneously by data handling system, thereby help timely maintenance, maintenance and the replacing of pantograph and contact net, play the purpose that reduces pantograph and contact net fault, and the state of realizing the pantograph slide block is repaiied, and saves cost.
Description of drawings
Fig. 1 is the theory diagram of the online automatic checkout system of bullet train pantograph state of the present utility model;
Fig. 2 is the theory diagram of check point equipment shown in Figure 1;
Fig. 3 is the check point front-end equipment mounting arrangements synoptic diagram of check point equipment illustrated in figures 1 and 2;
Fig. 4 is the front view of local mounting arrangements of the partial devices of check point equipment shown in Figure 3;
Fig. 5 is the used line laser working sensor of the online automatic checkout system of a bullet train pantograph state of the present utility model schematic diagram;
Fig. 6 is used some laser sensor fundamental diagram of the online automatic checkout system of bullet train pantograph state of the present utility model;
Fig. 7 is the detection schematic diagram of check point equipment line laser sensor shown in Figure 3;
Fig. 8 is the online automatic checkout system workflow diagram of bullet train pantograph state of the present utility model.
Embodiment
Fig. 1 is the theory diagram of the online automatic checkout system of bullet train pantograph state of the present utility model.As shown in Figure 1, the online automatic checkout system of bullet train pantograph state that the utility model proposed comprises Remote Network Monitoring central apparatus and several check point equipment.The Remote Network Monitoring central apparatus is by the remote monitoring of wireless network realization to check point equipment.To quantity, can determine according to user's actual demand situation with check point equipment.
Fig. 2 is the theory diagram of check point equipment shown in Figure 1.As shown in Figure 2, check point equipment comprises check point front-end equipment and check point central apparatus, and the check point front-end equipment is connected by wireless network or optical fiber with the check point central apparatus.The check point front-end equipment comprises check point Comprehensive Control unit (this example is industrial computer control), signal transmitter unit, signal gathering unit, and signal gathering unit and signal transmitter unit all are connected on the check point Comprehensive Control unit.Wherein signal gathering unit comprises the line laser sensor: the first line laser sensor, the second line laser sensor, three-way laser sensor, the 4th line laser sensor (adopting 4 line laser sensors in the present embodiment); Point laser sensor: first laser sensor, second laser sensor, thirdly four of laser sensor, the 4th laser sensors; High-speed camera (adopting 1 high-speed camera in this enforcement example), photoelectric sensor (first photoelectric sensor, second photoelectric sensor), wherein, line laser sensor, some laser sensor, high-speed camera and photoelectric sensor are connected respectively to (this example center line laser sensor, some laser sensor, high-speed camera signals collecting all adopt the CAN bus form, can directly be connected with industrial computer) on the check point Comprehensive Control unit.The control point central apparatus comprises center signal processing unit, signal receiving unit, warning and trend prediction unit and network equipment (wireless route), and signal receiving unit, warning and trend prediction unit and network equipment are connected respectively on the signal processing unit.And wherein, signal receiving unit is connected by wireless network with the vehicle ID recognition system of vehicle base.
In the actual detected process, when first photoelectric sensor and second photoelectric sensor detect the approaching train signal, produce trigger pip, and trigger detection point Comprehensive Control unit starting, check point Comprehensive Control unit triggers line laser sensor detects the pantograph profile automatically then, point laser sensor and high-speed camera are taken pictures, again then, under the control of check point Comprehensive Control unit, to detect to such an extent that the image of data and shooting is transmitted into the check point central apparatus by the signal transmitter unit, the check point central apparatus carries out analyzing and processing (institute's altimetric image is stored) by signal receiving unit to the survey data then, thereby judges slide plate abrasion situation, the pantograph heeling condition, slide plate crackle state, slide plate such as loses at fault.If find that pantograph breaks down this moment, then trigger alarm unit and report to the police, with the prompting staff.The photo that the staff can access under this alarm condition is confirmed, and is taken measures.If pantograph is no abnormal, then the vehicle ID data that receive according to survey data and signal receiving unit are made this pantograph abrasion trend prediction, thereby can effectively be prevented the generation of pantograph and contact net accident.
Fig. 3 is the mounting arrangements synoptic diagram of the check point front-end equipment of check point equipment illustrated in figures 1 and 2.In this example, each check point is divided into three parts, and three part installing spaces are about 20 meters.As shown in Figure 3, first is first photoelectric sensor, and second portion is second photoelectric sensor, and third part is other parts of check point front-end equipment.
Fig. 4 is the front view of local mounting arrangements of the partial devices of check point equipment shown in Figure 3.As shown in Figure 4, four some laser sensors are installed, four line laser sensors, high-speed camera and sender unit (not shown) in the third part of check point front-end equipment.In the actual detected process, four some laser sensors are used for detecting the inclination and the skew of pantograph; Four line laser sensors are all vertical to be arranged in parallel with track centerline, and at x, the certain position that all staggers on the y direction guarantees that interference and total length are not no less than tested pantograph pan total length to institute's emitted laser bundle mutually; Be used to take the pantograph image on high-speed camera layout and the track centerline; The data that each several part detects gained are being transferred on the signal transmitter unit under the control of check point Comprehensive Control unit, and send on the check point central apparatus by the signal transmitter unit.
Fig. 5 is the used line laser working sensor of the online automatic checkout system of a bullet train pantograph state of the present utility model schematic diagram.
Fig. 6 is used some laser sensor fundamental diagram of the online automatic checkout system of bullet train pantograph state of the present utility model.
Fig. 7 is the detection schematic diagram of check point equipment line laser sensor shown in Figure 3, as shown in the figure, four line laser transducer arrangements are in sustained height (this example arrangement height is 400mm on the contact net), be covered with whole pantograph on the vertical direction of institute's emitted laser Shu Zaiyu track centerline, and the frequency of the line laser sensor of choosing in this example is 10kHz, suppose that train running speed is 350km/h, when pantograph is passed through this utility model device, each line laser sensor can be gathered 8 groups of data, every group of about 1000 points of data.So when train passed through at a high speed with 350km/h, each carbon slide plate can detect 32000 points, enough restored the contour curve and the abrasion state of carbon slide plate fully.
Fig. 8 is the system works schematic diagram, and as shown in the figure, when bullet train during by the vehicle ID recognition system on the circuit, vehicle ID recognition system sends to system with car number information automatically, and system is in standby condition; When train passes through first photoelectric sensor and second photoelectric sensor successively, check point Comprehensive Control unit calculates train running speed by the mistiming of two photoelectric sensors successively according to train, and calculates the best effort time of line laser sensor, some laser sensor, high-speed camera; When train arrived the third part of front-end detection equipment, each detecting unit was worked in succession; Signal gathering unit detects data and send to signal receiving unit by the signal transmitter unit under the control of check point Comprehensive Control unit after hours; The check point central apparatus is handled real-time judgement pantograph state by data analysis after receiving the detection data, then start warning device and access fault pantograph picture automatically as fault, normally then make the abrasion trend prediction according to the historical data of this pantograph as pantograph abrasion state; The pending data processing finishes, and system enters holding state, waits for next trigger pip.
In sum,, can realize real-time detection, fill up the blank that bullet train pantograph abrasion real-time status is detected at present both at home and abroad bullet train pantograph state by adopting the online automatic checkout system of the utility model bullet train pantograph state.Can be each pantograph foundation database separately of each row train simultaneously, the pantograph state truly of realizing is repaiied, thereby helps reducing because the accident between pantograph that states such as pantograph is impaired, abrasion, inclination cause.