CN108058720B

CN108058720B - Optical measuring mark working method and device for track measurement

Info

Publication number: CN108058720B
Application number: CN201711494934.5A
Authority: CN
Inventors: 胡淼龙
Original assignee: ZHEJIANG WIRELESS NETWORK TECHNOLOGY Ltd
Current assignee: ZHEJIANG WIRELESS NETWORK TECHNOLOGY Ltd
Priority date: 2017-12-31
Filing date: 2017-12-31
Publication date: 2020-11-27
Anticipated expiration: 2037-12-31
Also published as: CN108058720A

Abstract

The invention provides a working method and a device of an optical measuring mark for track measurement, wherein the method comprises the following steps: acquiring work trigger information, enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from an environment protection state to enter a working state through a servo mechanism, and enabling the optical measurement marking module in the working state to reflect optical signals or emit optical signals to the optical image sensor for photogrammetry; acquiring work termination information, and enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from a working state through a servo mechanism to enter an environment protection state; the optical measurement mark module is arranged along the extending direction of the track and comprises at least one of an arrangement mode of an upper arrangement mode and an outer arrangement mode of the running track. The application field of the photogrammetry technology is expanded, and the measurement precision and the efficiency are high.

Description

Optical measuring mark working method and device for track measurement

Technical Field

The invention relates to the field of automatic measurement, in particular to a working method and a working device of an optical measurement mark for track measurement.

Background

The displacement detection and the deformation detection of buildings or industrial facilities have wide application requirements, wherein the displacement detection or the deformation detection of bridges, dams and rails is an important technical means for safe operation and production.

At present, methods for detecting displacement and deformation of dams and bridges comprise sight line detection method, GPS (global navigation system) and combination method of the methods and surface displacement sensors; the displacement and deformation detection of the rail (rail transit running rail) comprises measurement based on the absolute displacement or deformation of CPIII (common indicator information) (control Point III), or measurement based on the relative displacement or deformation of a total station and a measuring vehicle, or measurement based on a displacement sensor.

The sight line method is mainly used for detecting the displacement and deformation of the dam and the bridge by adopting a fixed end point station setting method, namely, a fixed sight line is established to measure the deviation value of each displacement mark point. The method is simple in observation and convenient in calculation, and is a common method for production units.

The GPS detection method is used for detecting the displacement and deformation of the dam and the bridge, and the three-dimensional coordinates of the ground point to be measured are determined through a navigation positioning signal sent by a GPS/Beidou satellite; or the deformation condition of the surface crack of the dam body is monitored in real time by combining a surface displacement sensor, and real-time data are transmitted to a monitoring center by using a wired/wireless remote network in a triggering type acquisition or real-time acquisition mode, so that the crack development condition of the dam body is known in time.

One mode of travel rail displacement measurement based on a displacement sensor is to use an eddy current displacement sensor, and the current eddy current sensor can overcome the defects of overlarge sensitivity change, shortened measurement range, poor linearity and the like caused by sensitivity to the material of a measured target object.

The patent application with the application number of CN201510932848.2 and the invention name of "a sight line deformation measurement method" discloses a sight line deformation measurement method, which can effectively solve the problems that the full-length reference line is taken as an aiming reference, when the reference line is too long, the target is fuzzy, the aiming precision is poor, the distance between a rear viewpoint and a measuring point is too far, and the focusing error of a telescope has large influence, and can effectively reduce the influence of atmospheric refraction on an observation result.

The invention has application number CN201410668036.7, and the title of the invention is a horizontal displacement observation platform by a total station sight line method and a use method thereof, comprising: the laser comprises a base, a slide arranged on the base, a collimation part which is perpendicular to the base and can slide along the slide, a pointer fixed at the bottom of the collimation part, a scale surface which is arranged on the base and corresponds to a reading pointer, and a laser. When the all-station instrument sighting line method displacement monitoring device is used, the scale surface of the all-station instrument sighting line method horizontal displacement observation platform is tightly attached to a displaced deformation monitoring point, the observation direction is determined through laser emitted by a laser, the scale surface is adjusted to be vertical to the sighting surface, three adjusting screws are rotated to ensure that the base is horizontal, an initial scale value of the center of the observation platform, which is just opposite to the deformation monitoring point, is recorded, the deformation monitoring point is found, an operator of the observation platform is instructed to translate the sighting part, a reflector with a sighting cross on the sighting part is overlapped with a cross wire in a telescope of the all-station instrument, then the scale value corresponding to a reading pointer is recorded, and the initial scale value is subtracted by the scale value, so that the displacement of the deformation point from the sighting surface is obtained, and the displacement of the deformation point relative to the original position.

The application number is CN201610857432.3, the invention name is 'track state on-line monitoring method based on laser monitoring', discloses a track state on-line monitoring method based on laser monitoring, which is realized by a communication transmission system, track monitoring center equipment, a laser distance detector, a microprocessor and a communication module, can carry out on-line monitoring on the change of the relative distance between two tracks, the change of the plane height, the change and the deformation of a track fastening facility, and has the characteristics of good monitoring real-time performance, timely discovery and alarm of sudden track parameter change, and low testing workload and cost.

The photogrammetry can obtain the measurement accuracy better than 1 mm in a short distance range (for example, within 50 meters), but the photogrammetry has the defects that more control points need to be arranged to ensure the measurement accuracy, and although the image acquisition process is simpler, the arrangement and recovery process of the control points is long in time consumption and large in workload.

The application number is CN201611156166.8, the invention name is a photogrammetry method for railway track rail direction detection, and discloses that a single-rail image with fixed geometric distortion is collected by a rail surface camera at certain intervals in the forward moving process of a rail detection trolley, geometric correction, matching and splicing are carried out on the image, so that a two-dimensional long-rail image is obtained, edge detection is carried out on the long-rail image, and the inner edge of a long rail can be obtained preliminarily. The line structure light source emits a laser plane from the direction vertical to the longitudinal axis of the steel rail, the laser plane forms a light strip curve capable of reflecting the outline characteristics of the steel rail on the surface of the steel rail, and the track side camera shoots the light strip curve at intervals. And (3) carrying out light bar thinning, steel rail contour reduction and steel rail contour matching on the image acquired by the rail side camera, calculating a fat edge value of the steel rail contour, and compensating the long rail inner edge at the corresponding position according to the calculated fat edge value, thereby obtaining the long rail inner edge at the position of 16mm below the rail surface. And establishing two-dimensional coordinates according to the inner edge of the long rail, so that the coordinates of each point on the edge are obtained, and the rail direction of any chord length at each position of the railway track can be calculated.

In the existing track measurement technology, the defects of using a CPIII control point and a total station instrument for measurement are low efficiency, and the problem of using a photogrammetry method to measure the track is that the arrangement of an optical measurement mark is difficult and the workload is large, and finally, the low efficiency and the high cost are still reflected, and the collimation error is multiplied under the condition of longer distance by a collimation method.

Problem to be solved by the invention (object of the invention)

The invention provides a method and a device for setting an optical measuring mark for track measurement, which are used for overcoming at least one of the defects that the arrangement workload of the optical measuring mark is large, the efficiency is low, the arrangement on a track is difficult and the long-term use under the environment of the track is difficult in the prior photogrammetry technology.

Disclosure of Invention

The invention provides a working method and a working device of an optical measuring mark for track measurement, which are used for overcoming at least one of the defects that the arrangement workload of the optical measuring mark is large, the efficiency is low, the arrangement on a track is difficult and the long-term use under the environment of the track is difficult in the prior photogrammetry technology.

The invention provides a working method of an optical measuring mark for track measurement, which comprises the following steps:

acquiring work trigger information, enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from an environment protection state to enter a working state through a servo mechanism, and enabling the optical measurement marking module in the working state to reflect optical signals or emit optical signals to the optical image sensor for photogrammetry;

acquiring work termination information, and enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from a working state through a servo mechanism to enter an environment protection state;

the optical measurement mark module is arranged along the extending direction of the track and comprises at least one of an arrangement mode of an upper arrangement mode and an outer arrangement mode of the running track.

The invention provides an optical measuring mark device for track measurement, which comprises the following modules:

the system comprises a work triggering information acquisition module, a work termination information acquisition module, a servo module, an optical measurement mark module and an environment protection module; wherein the content of the first and second substances,

the working trigger information acquisition module is used for acquiring information for triggering the optical measurement mark to enter a working state and comprises at least one of a timing circuit submodule, an optical signal receiver submodule, an acoustic signal receiver submodule and a radio signal receiver submodule;

the work termination information acquisition module is used for acquiring information for terminating the work state of the optical measurement mark and comprises at least one of a timing circuit submodule, an optical signal receiver submodule, an acoustic signal receiver submodule and a radio signal receiver submodule;

the servo module is used for enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from an environment protection state and enter an operating state, and/or enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from the operating state and enter the environment protection state, and comprises a transmission component and a driving component;

the optical measurement marking module is used for reflecting optical signals or emitting optical signals to the optical image sensor for photogrammetry and comprises an optical reflection sub-module or an optical emission sub-module;

the environment protection module is used for providing environment protection for at least part of components in the optical measurement marking module or the optical measurement marking device and comprises a vibration reduction submodule and a dust prevention submodule;

The method and the device provided by the embodiment of the invention can overcome at least one of the defects of large workload, low efficiency, difficulty in laying on the track and difficulty in using the track in the environment where the track is located for a long time in the conventional photogrammetric technology. The application field of the photogrammetry technology is expanded, and the method is high in measurement precision, high in efficiency and practical.

Additional features and advantages of the invention will be set forth in the description which follows.

Drawings

FIG. 1 is a flowchart of a method for operating an optical measurement mark for track measurement according to an embodiment of the present invention;

fig. 2 is a schematic composition diagram of an optical measurement marking device for track measurement according to an embodiment of the present invention.

Examples

The optical measurement marking device provided in this embodiment corresponds to an extension of the positions and the number of control points of CPIII (Cotrol Point 3 or Cotrol Plan 3), and the combination of the optical measurement marking device and the photogrammetry technology corresponds to an extension of the conventional CPIII measured using a prism and a total station to CPIII P-CPIII (Photo-CPIII) measured using photogrammetry.

Compared with the conventional CPIII measuring method using the prism and the total station for measurement, the method provided by the embodiment does not need to temporarily install and remove the measuring prism at the CPIII position, and the optical measuring mark device arranged in the track bed area or at the track bed side can quickly enter a measuring state, so that the measuring efficiency is improved; the optical measurement marking device provided by the embodiment has the environment protection capability, and can isolate key components or vulnerable components from impact vibration generated by train running and from wind, rain, sand and dust, so that the service life and the reliability of equipment are guaranteed.

Compared with the existing photogrammetry, the method does not need to stick the optical measurement mark for measurement on the track of the target to be measured, so that the photogrammetry principle can be applied to the field of track measurement under the optical measurement mark arrangement method.

In an embodiment of the present invention, the photogrammetry is close-range photogrammetry.

The optical measuring mark is used for close-range photogrammetry and comprises at least one of a directional light reflection mark, a luminous mark, a coding mark, a tool mark and a characteristic mark.

The optical measuring mark comprises a reference ruler, a directional rod and a measuring rod according to measuring purposes.

The directional reflecting sign comprises a reflecting film, a reflecting sheet, a reflecting surface, a reflecting lens and the like which are made of reflecting materials;

the coding marks comprise concentric ring-shaped and point distribution type coding marks and the like.

The tool marks a spherical target, a button target, etc.

The feature marks include optical measurement marks for measuring edges, corners, circles, vertices, etc.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The following describes an example of a method and an apparatus for operating an optical measurement mark for track measurement according to the present invention with reference to the accompanying drawings.

Embodiment one, an example of a working method of an optical measurement mark for track measurement

Referring to fig. 1, an embodiment of a method for operating an optical measurement mark for track measurement according to the present invention includes:

step S110, acquiring work trigger information, making at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device be separated from an environment protection state and enter a working state through a servo mechanism, and reflecting optical signals or emitting optical signals to the optical image sensor for photogrammetry by the optical measurement marking module in the working state;

step S120, acquiring the work termination information, and enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be separated from the working state through a servo mechanism and enter an environment protection state;

The optical measurement mark module comprises an optical measurement mark symbol or an optical measurement mark pattern and an optical measurement mark carrier; the optical measuring marking symbol or the optical measuring marking pattern is produced on an optical measuring marking carrier.

In particular, the optical measurement marking is used for a measurement control point of a photogrammetry.

Further, the photogrammetry is close-range photogrammetry.

Further, the measurement control point is an optical measurement mark of which at least one of point location coordinates, shape, geometric size, and orientation is known.

Specifically, the direction extending along the track includes a direction in which a train on the track travels or a direction opposite to the direction in which the train on the track travels.

Specifically, the running rail is arranged and comprises a running rail serving as a mounting base of the optical measurement mark module or a mounting base of the optical measurement mark module is mounted on the running rail through a connecting component, so that the displacement of the running rail is synchronous with that of the optical measurement mark module; the synchronization of the displacement of the running rail and the displacement of the optical measurement marking module comprises: after the displacement of the running rail, the relative position between the running rail and the optical measurement mark module in the working state is unchanged;

arranging the running rail outside, wherein the installation base or the installation embedded part of the optical measurement mark module is arranged outside the rail, so that the displacement of the running rail is asynchronous with the displacement of the optical measurement mark module; the asynchronous displacement of the traveling rail and the displacement of the optical measurement mark module comprises: after the displacement of the running rail, the relative position between the running rail and the optical measuring mark module in the working state changes.

Furthermore, the arrangement of the optical measurement marking module corresponding to the running rail, wherein the relative position between the running rail and the optical measurement marking module in the working state is unchanged after the running rail is displaced, comprises: after the displacement of the running rail, the relative position between the running rail and the measuring reference point position of the optical measuring mark module in a working state is kept unchanged, and the position change of the measuring reference point position of the optical measuring mark module corresponds to the position change of the rail;

furthermore, an optical measurement mark module is arranged outside the running rail, and the relative position between the running rail and the optical measurement mark module in the working state changes after the running rail is displaced, including: after the displacement of the running rail, the relative position between the running rail and the measuring reference point position of the optical measuring marking module in the working state changes.

Furthermore, an optical measurement marking module is arranged corresponding to the track, and the position or the displacement of the running track is obtained by measuring the change of the point position of the measurement reference point of the optical measurement marking module;

further, an optical measurement marking module is disposed corresponding to the outside of the track, the position coordinates of the optical measurement marking module are known, and the position or displacement amount of the running rail is measured using the position coordinates of the optical measurement marking module.

Still further, an optical measurement marking module is arranged corresponding to the outside of the track, the position coordinates of the optical measurement marking module are known, and the coordinates of the point positions of the measurement reference points of the optical measurement marking module are known.

Specifically, the optical measurement marking module is arranged outside the track, the position coordinate of the optical measurement marking module is known, the information in the position coordinate of the optical measurement marking module comprises a position coordinate value based on the CPIII control point or associated with the CPIII control point, and the corresponding relation between the mounting base and the measurement reference point or the measurement point thereof is similar to the corresponding way between the CPIII control point and the measurement point thereof.

Specifically, the optical measurement mark module is arranged on the running rail correspondingly, and the mounting base or the mounting embedded part is arranged on one side or two sides of the running rail.

The track includes any one of a track of a high-speed railway, a subway track, and a track of a general railway.

The optical measurement marking module provides dimensional information for photogrammetry.

As a specific arrangement of the optical measuring markers, two or more optical measuring marker devices are arranged on at least one side of the running rail within 60 meters in the track extending direction, the shape and the geometric dimension of the optical measuring markers contained in the optical measuring marker devices are known, and at least one of the geographic coordinates of the optical measuring markers and the distance between the optical measuring markers is known.

Specifically, in the present embodiment, the measurement reference point of the optical measurement mark is also referred to as a position reference point.

Specifically, the optical measurement mark indicates a component of the optical module having a specific size and shape for reflecting or emitting a light signal for photogrammetry.

Specifically, the optical measurement mark comprises at least one of an artificial feature point, an artificial feature surface, an artificial feature body, an orientation rod, a reference ruler and an auxiliary measuring rod.

In particular, the shape of the optical measuring marks may be the same or different.

In particular, the dimensions of the optical measuring marks may be the same or different.

Furthermore, the optical measuring marks are provided with identification patterns for identifying the optical measuring marks or are in corresponding relation with the identification patterns for identifying the optical measuring marks.

Furthermore, the identification pattern for identifying the optical measurement mark is a one-dimensional encoded pattern or a two-dimensional encoded pattern.

Furthermore, the one-dimensional coded graph is a one-dimensional bar code graph; the two-dimensional coded graph is a two-dimensional bar code graph.

Specifically, the acquisition operation trigger information is acquired by at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver.

Specifically, the acquisition operation termination information is acquired by at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver.

Specifically, the optical measurement flag module reflects or emits an optical signal to the photogrammetric optical image sensor.

Specifically, one implementation of sending an optical signal to an optical imaging sensor as an optical measurement marker module includes:

the optical measurement mark device comprises an active optical measurement mark and a passive optical measurement mark, wherein the active optical measurement mark and the passive optical measurement mark are different in specific installation position and respectively correspond to a datum point coordinate value; the active optical measurement mark and the passive optical measurement mark are used in a time division manner, and in the case of irradiation with sunlight, the passive optical measurement mark is used to transmit an optical signal for photogrammetry in a manner of reflection to the light source to the optical imaging sensor, and in the case of no irradiation with sunlight, the active optical measurement mark is used to transmit an optical signal for photogrammetry to the optical imaging sensor.

Specifically, as an implementation manner of sending an optical signal to the optical imaging sensor by the optical measurement mark module, when the optical measurement mark module includes both an active optical measurement mark and a passive optical measurement mark, one implementation manner is to set point locations of position reference points of the active and passive optical measurement marks on the same measurement reference point location in a time division manner, and the other implementation manner is to set two measurement reference point locations for one mounting base or mounting embedded part, which are respectively used for setting the position reference points of the active and passive optical measurement marks or the point locations of the measurement reference points.

The method of the present embodiment, wherein,

the acquiring of the operation triggering information, causing at least a part of components included in any one of the optical measurement marking module and the optical measurement marking device to be out of an environment protection state and enter an operating state through a servo mechanism, and the optical measurement marking module in the operating state reflecting optical signals or emitting optical signals to the optical image sensor for photogrammetry includes:

acquiring operation trigger information through at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver;

moving the environmental protection body through the servo mechanism to enable at least part of components contained in the optical measurement marking module or the optical measurement marking device to be separated from an environmental protection state, and moving the optical measurement marking module to be in a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedded part; or

Moving at least a portion of the components contained in the optical measurement marking module or the optical measurement marking device away from the environmentally protected state by the servo mechanism and moving the optical measurement marking module into a hard contact state or a tightly coupled state with at least one of the mounting base and the mounting embedment;

the optical measurement marking module reflects or emits an optical signal to the optical image sensor, the optical signal being used for photogrammetry.

Specifically, the operation trigger information is acquired by at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver, wherein,

the timing circuit is used for timing triggering or event triggering;

the optical signal receiver is used for triggering through an optical signal;

the acoustic signal receiver is used for triggering through an acoustic signal;

the radio signal receiver is used for triggering through a radio signal.

Specifically, the state of hard contact or tight coupling includes at least one of the following association modes:

in a first association mode, the relative position between the optical measurement mark module contained in the optical measurement mark device and any one of the mounting base and the embedded part for mounting is kept unchanged or the relative position deviation is within an allowable relative position error range;

in the second correlation mode, at least one of the true point location of the position reference point on the optical reflector included in the optical measurement marking module and the true point location of the position reference point on the optical emitter included in the optical module coincides with the corresponding measurement datum point location at the arrangement position thereof or the error is smaller than a predetermined point location error threshold; or, at least one of the real point location of the position reference point on the optical reflector included in the optical measurement marking module and the real point location of the position reference point on the optical emitter included in the optical module coincides with the corresponding measurement point location at the arrangement position thereof or the error is smaller than a predetermined point location error threshold; and

in a third aspect, the optical module includes an optical emitter oriented to face an optical reflector oriented to face a predetermined orientation.

In particular, the predetermined orientation comprises a normal angular orientation of the reflective or emissive surface.

Specifically, the optical measurement marking module is moved into a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment, wherein the hard contact or tight coupling process of the optical measurement marking module with any one of the mounting base and the mounting embedment is the same as or similar to the supporting rod centering process of the CPIII measurement prism.

The geographic position coordinate information of the measurement reference point location or the measurement point location corresponding to the mounting base refers to a point location coordinate measurement value obtained by actual measurement of the measurement reference point location or the measurement point location corresponding to the mounting base, and the coordinate measurement value of the measurement reference point location or the measurement point location corresponding to the mounting base is also referred to as a coordinate nominal value of the measurement reference point location or the measurement point location.

In this embodiment, the coordinate nominal value is also referred to as a nominal coordinate value or a nominal coordinate value.

Specifically, at least part of the components included in the optical measurement marking module or the optical measurement marking device are moved by the servo mechanism, and the components include at least one of a moving component, a radio communication device, a wired communication device, a power supply device, an optical reflector, a light source, a light wave sensor and a prism.

The method of the present embodiment, wherein,

the acquiring of the work termination information, and the moving of at least a part of components included in any one of the optical measurement marking module and the optical measurement marking device out of the working state into the environment protection state by the servo mechanism, includes:

acquiring the operation termination information through at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver;

moving the environmental protection body by the servo mechanism to enable at least part of components contained in the optical measurement marking module or the optical measurement marking device to enter an environmental protection state, and moving the optical measurement marking module to be separated from a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedded part; or

Moving at least a portion of the components comprised by the optical measurement marking module or the optical measurement marking device into an environmentally protected state via the servo mechanism and moving the optical measurement marking module out of a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment.

After entering the environment protection state, the optical measurement marking module terminates the reflection or emission of the optical signal to the optical image sensor.

Specifically, the operation termination information is acquired by at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver, wherein,

the timing circuit is used for acquiring the work termination information triggered by timing or events;

the optical signal receiver is used for acquiring work termination information transmitted by using an optical signal;

the acoustic signal receiver is used for acquiring work termination information transmitted by using an acoustic signal;

the radio signal receiver is used to acquire the operation termination information transmitted using the radio signal.

Specifically, the moving the optical measurement marking module out of the hard contact state or the tight coupling state with at least one of the mounting base and the mounting embedded part comprises at least one of the following correlation modes:

in a first connection mode, the relative position between an optical measurement mark module contained in the optical measurement mark device and any one of a mounting base and an embedded part for mounting is changed, and a hard contact state or a tight coupling state does not exist;

in a second mode of association, the relative position between the optical measurement marking module included in the optical measurement marking device and any one of the mounting base and the mounting embedment is changed without direct physical contact.

Specifically, the moving the optical measurement marking module to be out of a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedded part specifically includes: and the optical measurement mark module is moved to be in an environment protection position, and in the environment protection position, the optical measurement mark module is not rigidly connected with at least one of the mounting base and the mounting embedded part, so that the vibration generated by the running of the train is inhibited.

Specifically, the mobile optical measurement marking module is located at an environment protection position, in the environment protection position, the optical measurement marking module is not rigidly coupled with at least one of the mounting base and the mounting embedded part, and the vibration generated by train running is restrained, and the mobile optical measurement marking module comprises:

enabling the optical measurement marking module to be in a suspension vibration reduction state or a cushioning vibration reduction state;

as a specific implementation manner of making the optical measurement mark module in a suspension vibration damping state, the method comprises the steps of suspending the optical measurement mark module by using at least one of a spring and a vibration damping rope;

as a specific implementation manner of making the optical measurement marking module in the cushioning vibration reduction state, the method comprises cushioning the optical measurement marking module by using at least one of a vibration reduction pad, a vibration reduction spring, a vibration reduction bowl and a vibration reduction air cushion.

The method provided by this embodiment further includes a state detection method, which specifically includes:

detecting at least one state parameter of a position of the optical measurement marking module in a working state, a temperature at the optical measurement marking module mounting base and a wind speed at the optical measurement marking module mounting base; and/or

Detecting at least one state parameter of whether the optical measurement mark module is in an environment protection state, whether the optical measurement mark module is in a reset state, vibration stress borne by the component in the environment protection state, temperature stress borne by the component in the environment protection state and humidity stress borne by the component in the environment protection state;

storing the state parameter or sending the state parameter to at least one of a photogrammetry server, a photogrammetry data processor, a photogrammetry controller and a photogrammetry system.

Specifically, the detecting the position of the optical measurement marking module in the working state includes:

observing the relative position relation between the point position of the position reference point of the optical measurement marking module in the working state and a judging point position set for judging the point position of the position reference point by using an optical imaging sensor; or

The relative position relationship between the point position of the position reference point of the optical measurement marking module in the working state and the point position of the position determination point set for determining the point position of the position reference point is measured by using the grating ruler.

Specifically, the detecting the temperature at the optical measurement marking module mounting base includes:

the temperature at the mounting base of the optical measurement marking module is measured using a temperature sensor.

Specifically, the detecting the wind speed at the optical measurement marking module mounting base includes:

wind speed at the mounting base of the optical measurement marking module is measured using a wind speed sensor.

Specifically, the detecting whether the optical measurement marking module is in an environment protection state includes:

an optical imaging module or a position sensor is used to detect whether the optical marking module is in an environmentally protected position.

Specifically, the detecting whether the optical measurement flag module is in the reset state includes:

detecting whether the optical marking module is in a reset position using an optical imaging module or a position sensor;

corresponding to the condition that the height or the position of the support where the optical measurement mark module is located is kept constant, the reset position of the optical measurement mark module is the position of the optical measurement mark module in an environment protection state; corresponding to the condition that the height or the position of the support needs to be adjusted to enable the optical measurement marking module to enter the working position, the reset position of the optical measurement marking module is the idle position of the optical measurement marking module or the optical measurement marking device;

the rest position is a position in which the optical measuring marking device is not affected by the safety of the rail vehicle.

Specifically, a position sensor is arranged, when the optical measurement marking device is in an idle position, the position sensor outputs a corresponding signal, and after a dry signal is obtained, the optical measurement marking device is judged to be in the idle position; the set position sensor is at least one of a Hall sensor, a contact switch sensor, a photoelectric sensor and an electromagnetic sensor.

Further, the environmental protection body protects the optical measurement marking module or at least one of impact, dust, temperature and humidity of at least part of components contained in the optical measurement marking module from environmental stress in an environmental protection state.

In particular, the rest position is located outside the running rail position.

The method provided in this embodiment further includes a method for reporting identification information of an optical measurement identifier, which specifically includes:

and transmitting at least one of the mounting position information and the optical measurement mark identification information corresponding to the optical measurement mark to at least one of a photogrammetry server, a photogrammetry data processor, a photogrammetry controller and a photogrammetry system.

Specifically, the optical measurement mark identification information includes at least one of optical measurement mark module identification information and optical measurement mark identification device identification information.

Specifically, the mounting position information corresponding to the optical measurement mark includes at least one of a number corresponding to the mounting position and a point coordinate of the measurement reference point.

Furthermore, the number mode of the corresponding number included in the installation position information corresponding to the optical measurement mark is the same as or similar to the CPIII control point number mode;

further, the corresponding relation between the point coordinates of the corresponding measurement reference points included in the installation position information corresponding to the optical measurement marks is the same as or similar to the corresponding relation between the CPIII control point numbers and the coordinates of the CPIII control point measurement points.

Specifically, the optical measurement marking device identification information includes at least one of a manufacturer, a model, a lot, and an installation date, and the identification information is used for operation and maintenance.

Example II optical measurement marking device for track measurement

Referring to fig. 2, an embodiment of an optical measurement marking device for track measurement according to the present invention includes:

a work trigger information acquisition module 210, a work termination information acquisition module 220, a servo module 230, an optical measurement flag module 240, and an environmental protection module 250; wherein the content of the first and second substances,

a working trigger information obtaining module 210, configured to obtain information for triggering the optical measurement flag to enter a working state, where the information includes at least one of a timing circuit sub-module, an optical signal receiver sub-module, an acoustic signal receiver sub-module, and a radio signal receiver sub-module;

a work termination information obtaining module 220, configured to obtain information for terminating a work state of the optical measurement flag, where the information includes at least one of a timing circuit sub-module, an optical signal receiver sub-module, an acoustic signal receiver sub-module, and a radio signal receiver sub-module;

the servo module 230 is used for enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be out of the environment protection state and enter the working state, and/or enabling at least part of components contained in any one of the optical measurement marking module and the optical measurement marking device to be out of the working state and enter the environment protection state, and comprises a transmission component and a driving component;

an optical measurement marking module 240 for reflecting or emitting an optical signal to the optical image sensor for photogrammetry, including an optical reflection sub-module or an optical emission sub-module;

an environmental protection module 250 for providing environmental protection to at least some components of the optical measurement marking module or the optical measurement marking device, including a vibration reduction sub-module and a dust prevention sub-module;

Specifically, the operation triggering information obtaining module 210 and the operation terminating information obtaining module 220 are two separate modules or modules sharing at least part of the circuit.

In particular, the optical measurement flag module provides dimensional information for photogrammetry.

The present embodiment provides an apparatus, wherein,

the work trigger information obtaining module 210, the servo module 230, the optical measurement flag module 240 and the environmental protection module 250 are configured to perform the following operations:

the operation trigger information obtaining module 210 obtains operation trigger information through at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver;

the servo module 230 moves the environmental protection body included in the environmental protection module 250 through the servo mechanism to bring the optical measurement marking module 240 or at least a part of the components included in the optical measurement marking device out of the environmental protection state, and moves the optical measurement marking module 240 to be in a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment; or

The servo module 230 moves the optical measurement marking module 240 or at least a portion of the components included in the optical measurement marking device out of the environmentally protected state by the servo mechanism, and moves the optical measurement marking module 240 into a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment;

the optical measurement marking module 240 reflects or emits an optical signal, which is used for photogrammetry, to the optical image sensor.

the timing circuit is used for timing triggering or event triggering;

the optical signal receiver is used for triggering through an optical signal;

the acoustic signal receiver is used for triggering through an acoustic signal;

the radio signal receiver is used for triggering through a radio signal.

The present embodiment provides an apparatus, wherein,

the work termination information obtaining module 220, the servo module 230, the optical measurement flag module 240 and the environmental protection module 250 are configured to perform the following operations:

the operation termination information acquisition module 220 acquires the operation termination information through at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver, and a radio signal receiver;

the servo module 230 moves the environmental protection body included in the environmental protection module 250 by the servo mechanism to bring the optical measurement marking 240 module or at least a part of the components included in the optical measurement marking device into an environmental protection state, and moves the optical measurement marking 240 out of a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment; or

The servo module 230 moves the optical measurement flag module 240 or at least a portion of the components included in the optical measurement flag device into an environmentally protected state via a servo mechanism, and moves the optical measurement flag module 240 out of a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment.

The apparatus of this embodiment further includes a status detection module 260, configured to perform the following operations:

the state detection module 260 detects at least one state parameter of a position of the optical measurement flag module 240 in an operation state, a temperature at the optical measurement flag module mounting base, and a wind speed at the optical measurement flag module mounting base; and/or

The state detection module 260 detects at least one state parameter of whether the optical measurement marking module 240 is in an environment protection state, a reset state, a vibration stress borne by the component in the environment protection state, a temperature stress borne by the component in the environment protection state, and a humidity stress borne by the component in the environment protection state;

In particular, the rest position is located outside the running rail position.

The apparatus provided in this embodiment further includes an optical measurement flag identification information reporting module 270, configured to perform the following operations:

The method and the device provided by the embodiment of the invention can be wholly or partially realized by using an electronic technology, a photoelectric distance measurement technology and an automatic control technology; the method provided by the embodiment of the invention can be wholly or partially realized by software instructions and/or hardware circuits; the module or unit included in the device provided by the embodiment of the invention can be realized by adopting electronic components, an optical-electric/electric-magnetic conversion device and a driving/dragging motor.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

The invention provides a working method and a working device of an optical measuring mark for track measurement, which overcome at least one of the defects of large workload of laying the optical measuring mark, low efficiency, difficult laying on a track and difficult long-term use under the environment of the track in the prior photogrammetry technology. The application field of the photogrammetry technology is expanded, and the method is high in measurement precision, high in efficiency and practical.

Claims

1. An optical measuring mark working method for track measurement comprises the following steps:

2. The method of claim 1, wherein,

the acquiring of the operation trigger information, causing at least a part of components included in any one of the optical measurement marking module and the optical measurement marking device to be out of an environment protection state and enter an operating state through a servo mechanism, and the optical measurement marking module in the operating state reflecting optical signals or emitting optical signals to the optical image sensor for photogrammetry includes:

3. The method of claim 1, wherein,

4. The method according to any one of claims 2 and 3, further comprising a state detection method, in particular comprising:

5. The method according to claim 1, further comprising a method for reporting the identification information of the optical measurement flag, specifically comprising:

6. An optical measuring mark device for track measurement comprises

7. The apparatus of claim 6, wherein,

the work trigger information acquisition module, the servo module, the optical measurement mark module and the environment protection module are used for executing the following operations:

the work trigger information acquisition module acquires work trigger information through at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver and a radio signal receiver;

the servo module moves an environment protection body contained in the environment protection module through a servo mechanism to enable at least part of components contained in the optical measurement marking module or the optical measurement marking device to be separated from an environment protection state, and the optical measurement marking module is moved to be in a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedded part; or

The servo module moves at least part of components contained in the optical measurement marking module or the optical measurement marking device out of an environment protection state through a servo mechanism, and moves the optical measurement marking module to be in a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedded part;

8. The apparatus of claim 6, wherein,

the work termination information acquisition module, the servo module, the optical measurement mark module and the environment protection module are used for executing the following operations:

the work termination information acquisition module acquires work termination information through at least one of a timing circuit, an optical signal receiver, an acoustic signal receiver and a radio signal receiver;

the servo module moves an environment protection body contained in the environment protection module through a servo mechanism to enable at least part of components contained in the optical measurement marking module or the optical measurement marking device to enter an environment protection state, and moves the optical measurement marking module to be separated from a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedded part; or

The servo module moves at least a portion of the components contained in the optical measurement marking module or the optical measurement marking device into an environmentally protected state via the servo mechanism and moves the optical measurement marking module out of a hard contact state or a tight coupling state with at least one of the mounting base and the mounting embedment.

9. The apparatus according to any of claims 7 and 8, further comprising a status detection module configured to:

10. The apparatus of claim 6, further comprising an optical measurement mark identification information reporting module configured to: