Mobile intelligent measuring platform

Abstract

The utility model provides a mobile intelligent measuring platform, which comprises a detection unit and a field control room, the detection unit comprises a magnetic steel sensor arranged beside a steel rail, and an infrared correlation and a color linear array camera arranged beside a station track, a first magnetic steel sensor, a second magnetic steel sensor and a third magnetic steel sensor are sequentially arranged according to the train entering sequence, a control board card, a power module and an industrial personal computer are arranged in the field control room, and the input ends of the magnetic steel sensors and the input ends of the infrared intrusion detectors are in signal connection with the control board card. The output end of the control board card is in signal connection with the color line-scan digital camera, pictures shot by the color line-scan digital camera are transmitted to the industrial personal computer through the Ethernet, and the power module supplies power to all electrical elements. According to the utility model, through non-contact measurement, the abrasion and scratch of abnormal operation on the surface of a part are reduced, the measurement precision is high, the influence of human factors is reduced, the skill requirements on personnel are reduced, and the field measurement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine vision technical field, concretely is a mobile intelligent measuring platform. BACKGROUND

[0002] Rail transit becomes more and more common in our life. The state of rail transit vehicle is directly related to the personal safety of passengers. Most of the measurement work of the size of important parts of rail transit vehicle in China is still carried out by manual operation, a tape measure, a level. These low-end non-automatic measurement techniques need to rely on staff to a great extent, which undoubtedly increases the burden of staff, not only the workload is large, the measurement speed is slow, and the accuracy of the measurement result is also very low, in addition, there are many human operation errors, so it is more difficult to realize the measurement mode of high accuracy, high speed and standardization.

[0003] At present, we adopt contact type measurement mode, and this measurement mode has two shortcomings: one is low measurement accuracy and high subjectivity of manual reading, which is easy to produce error; the other is time-consuming and labor-consuming, generally two people work, one data is measured three times to take average value, and it needs 2.5 working hours to complete the measurement of one train, and it is still necessary to fill in the data after the measurement is completed. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a mobile intelligent measuring platform, realizes non-contact type measurement, and the measurement accuracy is high, the influence of human factors is reduced, and the field measurement efficiency is improved.

[0005] The utility model provides a technical scheme: a mobile intelligent measuring platform, including detection unit and field control room, the detection unit includes the magnetic steel sensor installed in the steel rail side, infrared opposite emission and color line array camera installed in the track side, first magnetic steel sensor, second magnetic steel sensor and third magnetic steel sensor are sequentially arranged in the steel rail side according to the train warehousing order, control board card, power module and industrial computer are arranged in the field control room, the input end of magnetic steel sensor and infrared opposite emission is connected with control board card signal respectively, the output end of control board card is connected with color line array camera signal, the picture of color line array camera shooting is transmitted to industrial computer through Ethernet, and power module provides power supply for each electrical element.

[0006] Further, the field control room is also provided with remote auxiliary control unit and KVM switch, the KVM switch is equipped with visual display, mouse and keyboard, and the pictures and measurement results are visually displayed, and the remote auxiliary control unit is used for networking, and the computer remote operation is convenient for technical maintenance personnel to remotely handle and troubleshoot the equipment.

[0007] Further, the field control room is divided into three layers, the control board card and power module are installed in the first layer of the field control room, the industrial computer is installed in the second layer of the field control room, and the remote auxiliary control unit and KVM switch are installed in the third layer of the field control room.

[0008] Further, the color line array camera is installed between the two lanes through an adjustable support, and two LED linear light supplement lamps are also installed on the adjustable support.

[0009] Further, the color line array camera and the LED linear light supplement lamp are detachably connected with the adjustable support, so that the installation of 180° reversing and adjustable height is realized.

[0010] Further, the adjustable support comprises a bottom flange plate, a support body vertically arranged in the middle of the bottom flange plate and a fork plate installed at the top of the support body, a plurality of slot holes are formed in the vertical direction on the support body, the color line array camera and the LED linear light supplement lamp are installed through connecting pieces according to the selection of suitable slot holes, and the color line array camera is installed in the middle of the two LED linear light supplement lamps.

[0011] Further, the bottom flange plate is fixed to the ground through bolts.

[0012] Further, the magnetic steel sensor is installed on the side of the steel rail through a fixing piece, the fixing piece comprises a hook lock and a fastening screw, the two ends of the hook lock are respectively provided with hook openings for hooking the bottom of the steel rail, the hooking force of the hook lock is controlled through the fastening screw on the outside, and one side of the hook lock is provided with a fixing plate for installing the magnetic steel sensor.

[0013] The utility model discloses the beneficial effects of:

[0014] (1) non-contact measurement is adopted, important components of rail transit vehicles are measured through machine vision technology, and the abrasion and scratch of the surface of components caused by abnormal operation are reduced.

[0015] (2) the measurement precision is high, the influence of human factors is reduced, the skill requirement of personnel is reduced, the integrity and consistency of measurement are ensured, and the manual cost of measurement is reduced.

[0016] (3) through the adjustable support, the installation height of the LED linear light supplement lamp and the color line array camera can be adjusted, and through the adjustment of the installation direction of the LED linear light supplement lamp and the color line array camera and the support, the effect that one group of cameras can measure two lanes by 180° translation is realized.

[0017] (4) automatic measurement operation is realized, the field measurement efficiency is improved, and the utility value is high. DRAWINGS

[0018] Figure 1It is the field layout schematic diagram of the utility model;

[0019] Figure 2 It is the control principle block diagram of the utility model;

[0020] Figure 3 It is the field control room wiring diagram of the utility model;

[0021] Figure 4 It is the installation schematic diagram of the adjustable support, LED linear light supplement lamp and color linear array camera of the utility model;

[0022] Figure 5 It is Figure 4 The side view of

[0023] Figure 6 And Figure 7 Respectively Figure 4 The detail structure schematic diagram of A place and B place in

[0024] Figure 8 It is the installation schematic diagram of the magnetic steel sensor of the utility model;

[0025] In the drawing: 1-color linear array camera;2-LED linear light supplement lamp;3-adjustable support;301-bottom flange plate;302-support body;303-fork plate;304-groove hole;305-bolt;4-control board card;5-power module;6-industrial computer;7-remote auxiliary control unit;8-KVM switch;9-first magnetic steel sensor;10-second magnetic steel sensor;11-third magnetic steel sensor;12-infrared pair shot, 13-fixing part, 1301-hook lock, 1302-fastening screw, 1303-fixing plate. DETAILED DESCRIPTION

[0026] The utility model will be further explained in combination with specific implementation, wherein, the drawing is only for example explanation, and the representation is only schematic diagram, and cannot be understood as the limitation of the utility model, in order to better explain the specific implementation of the utility model, some components of the drawing will be omitted, enlarged or reduced, and do not represent the size of actual product, for the technical personnel of the art, some known structure and its explanation in the drawing can be omitted, and it is understandable, based on the specific implementation in the utility model, all other specific implementations obtained by the ordinary technical personnel without making creative labor are within the scope of the utility model protection.

[0027] In the description of this utility model, it should be noted that the terms "front," "rear," "upper," and "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] like Figures 1-8 The mobile intelligent measurement platform shown includes a detection unit and a field control room. The detection unit is mainly used to detect the train's position and speed, and to capture high-definition color images of the area beneath the train. The detection unit includes a magnetic sensor, an infrared beam detector 12, and a color line array camera 1. The color line array camera 1 and two LED linear supplementary lights 2 are mounted on an adjustable bracket 3. The first magnetic sensor 9, the second magnetic sensor 10, and the third magnetic sensor are installed sequentially beside the rails according to the train's entry order. The infrared beam detector 12 is installed on the working platform beside the track.

[0030] The field control room is equipped with a control board 4, a power module 5, and an industrial computer 6. The input terminals of the three magnetic steel sensors and the infrared beam 12 are respectively connected to the control board 4. The output terminal of the control board 4 is connected to the color line scan camera 1. The images captured by the color line scan camera 1 are transmitted to the industrial computer 6 via Ethernet.

[0031] The field control room is also equipped with a remote auxiliary control unit 7 and a KVM switch 8. The KVM switch 8 is equipped with a visual display, mouse and keyboard to visualize the captured images and measurement results, and to provide early warnings for bits exceeding the standard range, making it convenient for field operators to view and read. The remote auxiliary control unit 7 is used for networking, enabling remote operation via computer, which allows technical maintenance personnel to remotely handle and troubleshoot equipment faults, improving emergency response efficiency.

[0032] The field control room integrates the functions of master control, acquisition, intelligent measurement, storage and the like. The field control room is divided into three layers, the control board card 4 and the power module 5 are installed on the first layer of the field control room, the industrial computer 6 is installed on the second layer of the field control room, the remote auxiliary control unit 7 and the KVM switch 8 are installed on the third layer of the field control room. The power module 5 provides 24V power supply for the color line array camera 1, the LED linear light supplement lamp 2, the magnetic steel 9, the magnetic steel 10, the magnetic steel 11 and the infrared pair.

[0033] The color line array camera 1 is installed between two tracks through the adjustable support 3, and two LED linear light supplement lamps 2 are also installed on the adjustable support 3. The color line array camera 1 and the LED linear light supplement lamp 2 are respectively detachably connected with the adjustable support 3, realizing 180° reversing and adjustable height installation, and the color line array camera 1 is installed in the middle of the two LED linear light supplement lamps 2.

[0034] Specifically, as shown in Figures 4-7 The adjustable support 3 includes a bottom flange plate 301, a support body 302 vertically arranged in the middle of the bottom flange plate 301, and a fork plate 303 installed on the top of the support body 302, a plurality of slot holes 304 are formed on the support body 302 in the vertical direction, and the color line array camera 1 and the LED linear light supplement lamp 2 are installed through the connecting pieces according to the selection of the appropriate slot holes 304, and the bottom flange plate 301 is fixed to the ground through the bolts 305. The color line array camera 1 and the LED linear light supplement lamp 2 are adjusted by 180° reversing through the adjustable support 3, so that the measurement platform can measure the back-to-repository train of 15AB and 16AB, and ensure that the data on both sides of the train can be obtained.

[0035] In a specific embodiment, as shown in Figure 8 The magnetic steel sensor is installed on the side of the steel rail through the fixing piece 13, the fixing piece 13 includes a hook lock 1301 and a fastening screw 1302, both ends of the hook lock 1301 are respectively provided with a hook opening for hooking the bottom of the steel rail, the hooking force is controlled through the fastening screw 1302 on the outside, and one side of the hook lock 1301 is provided with a fixed plate 1303 for installing the magnetic steel sensor.

[0036] The mobile intelligent measuring platform is divided into a detection unit and a field control room according to functions, is arranged and applied between the 15A and 16A tracks in the depot, and in actual use, when a train enters the depot and the wheelset of the bogie passes the first magnetic steel sensor 9 (the magnetic steel is installed at a distance of 41 mm from the upper surface of the rail), the control board card 4 collects the signal, and then the LED linear light supplement lamp 2 is turned on, and the color linear array camera 1 is switched from the standby working condition to the preparation working condition; when the wheelset passes the second magnetic steel sensor 10, the control board card 4 collects the signal, and then the train driving speed (the train speed is about 5 Km / h) is calculated according to the time difference of the wheelset passing the first magnetic steel sensor 9 and the second magnetic steel sensor 10; because the train entering the depot cannot keep an absolute constant speed, the control board card 4 calibrates the photographing frequency of the color linear array camera 1 according to the actual speed of the train, so as to ensure the integrity of the collected pictures under the train.

[0037] The infrared pair 12 is installed for the purpose of ensuring the effectiveness and continuity of the photographed pictures, because there is a distance interval between the first magnetic steel sensor 9 and the color linear array camera 1; when the train body passes the infrared pair 12, the control board card 4 collects the signal, and then controls the color linear array camera 1 to start photographing (the maximum frequency of the camera is 26 KHz, and the actual working frequency is about 3500 Hz); the photographed pictures are transmitted to the industrial computer 6 through the Ethernet, the industrial computer 6 processes the pictures, and then combines the pictures into complete pictures; when the train drives into the depot, the control board card 4 collects four passing signals of the third magnetic steel sensor 11, and then sends the information to the industrial computer 6 through the Ethernet; the industrial computer 6 uses an intelligent segmentation module to intelligently segment the images according to the carriages, and finally obtains the high-definition pictures under the six cars; because the bogie of the last car does not pass the third magnetic steel sensor 11, the control board card 4 adopts the measure of delayed shutdown, that is, the train speed information is not collected, the LED linear light supplement lamp 2 is automatically turned off after 30 seconds, and the color linear array camera 1 is switched to the standby working condition.

[0038] In order to facilitate data query and classification, the maintenance personnel stick the car number identification on the bottom of the side beam of the head car and the tail car, the industrial computer 6 can accurately identify the train number, and store the obtained pictures according to the train number. The industrial computer 6 accurately captures the current collector, the air spring, the obstacle detection device crossbeam and the bogie axle box in the high-definition pictures according to feature recognition, intelligently measures the specified positions of each carriage, and stores the detection results in the local area (an interface is reserved, and the detection results can be transmitted to the data center through a network transmission mode).

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A mobile intelligent measurement platform, characterized in that, The application relates to a detection device for a railway yard, which comprises a detection unit and a field control room, the detection unit comprises a magnetic steel sensor installed beside a steel rail, an infrared emitter-receiver (12) and a color linear array camera (1) installed beside a track, a first magnetic steel sensor (9), a second magnetic steel sensor (10) and a third magnetic steel sensor (11) are sequentially arranged beside the steel rail according to the sequence of train entering the yard, a control board card (4), a power module (5) and an industrial computer (6) are arranged in the field control room, the input ends of the three magnetic steel sensors and the infrared emitter-receiver (12) are respectively connected with the control board card (4) in signal connection, the output end of the control board card (4) is connected with the color linear array camera (1) in signal connection, the pictures taken by the color linear array camera (1) are transmitted to the industrial computer (6) through Ethernet, and the power module (5) provides power supply for each electrical element.

2. The mobile intelligent measurement platform of claim 1, wherein, The field control room is further provided with a remote auxiliary control unit (7) and a KVM switch (8), the KVM switch (8) is equipped with a visual display, a mouse and a keyboard, the taken pictures and measurement results are visually displayed, and the remote auxiliary control unit (7) is used for networking and remote operation through a computer, so that technical maintenance personnel can remotely handle and troubleshoot the equipment.

3. The mobile intelligent measurement platform of claim 2, wherein, The field control room is divided into three layers, the control board card (4) and the power module (5) are installed in the first layer of the field control room, the industrial computer (6) is installed in the second layer of the field control room, and the remote auxiliary control unit (7) and the KVM switch (8) are installed in the third layer of the field control room.

4. The mobile intelligent measurement platform of claim 1, wherein, The color linear array camera (1) is installed between two tracks through an adjustable support (3), and two LED linear light supplement lamps (2) are further installed on the adjustable support (3).

5. The mobile intelligent measurement platform of claim 4, wherein, The color linear array camera (1) and the LED linear light supplement lamps (2) are detachably connected with the adjustable support (3), 180-degree reversing and adjustable height installation are realized, and the color linear array camera (1) is installed between the two LED linear light supplement lamps (2).

6. The mobile intelligent measurement platform of claim 5, wherein, The adjustable support (3) comprises a bottom flange plate (301), a support main body (302) vertically arranged in the middle of the bottom flange plate (301) and a fork plate (303) installed on the top of the support main body (302), a plurality of slot holes (304) are formed in the vertical direction on the support main body (302), and the color linear array camera (1) and the LED linear light supplement lamps (2) are installed through connecting pieces according to the selected suitable slot holes (304).

7. The mobile intelligent measurement platform of claim 6, wherein, The bottom flange plate (301) is fixed to the ground through bolts (305).

8. The mobile intelligent measurement platform of claim 1, wherein, The magnetic steel sensor is installed on the side of the steel rail through a fixing piece (13), the fixing piece (13) comprises a hook lock (1301) and a fastening screw (1302), the two ends of the hook lock (1301) are respectively provided with hook openings used for hooking the bottom of the steel rail, the hooking force of the hook lock (1301) is controlled through the fastening screw (1302) on the outer side, and one side of the hook lock (1301) is provided with a fixing plate (1303) used for installing the magnetic steel sensor.

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