CN113766082B - Construction drawing review-based vector drawing compiling method and system - Google Patents

Construction drawing review-based vector drawing compiling method and system Download PDF

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Publication number
CN113766082B
CN113766082B CN202111048089.5A CN202111048089A CN113766082B CN 113766082 B CN113766082 B CN 113766082B CN 202111048089 A CN202111048089 A CN 202111048089A CN 113766082 B CN113766082 B CN 113766082B
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China
Prior art keywords
point cloud
data
cloud data
scanning
unit
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CN113766082A (en
Inventor
张志华
徐华明
陈鹏
栾亚娟
田海
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Taizhou Huawei Information Technology Co ltd
Taixing Construction Engineering Construction Drawing Review Service Center
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Taizhou Huawei Information Technology Co ltd
Taixing Construction Engineering Construction Drawing Review Service Center
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Priority to CN202111048089.5A priority Critical patent/CN113766082B/en
Publication of CN113766082A publication Critical patent/CN113766082A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/40093Modification of content of picture, e.g. retouching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44Secrecy systems

Abstract

The invention relates to the technical field of drawing processing, in particular to a method and a system for compiling a review vector drawing based on a construction drawing; fixing a construction drawing to be compiled on a drawing scanning subsystem for scanning, and transmitting an obtained scanning image to an image processing module for processing; judging the intersection points and the original line trend of the processed scanning image, and constructing point cloud data by driving the drawing scanning subsystem according to the driving data; sequencing the acquired point cloud data and the manual point cloud data, and fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem to obtain a fitted line; and compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem, so that a scanning file highly matched with the original construction drawing can be obtained, and the compiling precision of the construction drawing is improved.

Description

Construction drawing review-based vector drawing compiling method and system
Technical Field
The invention relates to the field of drawing processing, in particular to a method and a system for compiling a review vector drawing based on a construction drawing.
Background
At present, a large number of paper files of previous construction drawings are reserved in each construction unit, the paper files are large-size files of A0 without electronic files, and the existing scanning tool can only scan the paper files of A3 or A4, even if the large-size drawings of A0 can be scanned, the obtained lines cannot be guaranteed to be complete and clear, so that the difference between the uploaded files and the original files exists, and the compiling precision of the construction drawings is reduced.
Disclosure of Invention
The invention aims to provide a construction drawing review vector drawing compiling method and system, which can accurately identify drawing lines and improve the compiling precision of construction drawings.
In order to achieve the above object, in a first aspect, the present invention provides a construction drawing based review vector drawing compilation system, which includes a data processing subsystem and a drawing scanning subsystem connected to each other, where the data processing subsystem includes an image processing module, a point cloud data fitting module, and a compilation storage module, which are connected in sequence;
the drawing scanning subsystem is used for scanning a construction drawing, transmitting a scanned image obtained by scanning to the image processing module, creating point cloud data according to received driving data, and transmitting the point cloud data to the point cloud data fitting module;
the image processing module is used for preprocessing according to the scanned image and establishing a coordinate system based on a frame line in the scanned image;
the point cloud data fitting module is used for carrying out point location construction and point cloud line fitting on the received point cloud data in the coordinate system;
and the compiling and storing module is used for compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem.
The data processing subsystem further comprises a scanning driving module, and the scanning driving module is connected with the image processing module and the drawing scanning subsystem;
and the scanning driving module is used for judging the intersection of the original lines in the preprocessed scanning image, judging the trend of the original lines based on the intersection and outputting the driving data to the drawing scanning subsystem.
Through the identification and judgment of the scanning driving module on lines, the repeated positioning of the drawing scanning subsystem is avoided, and the corresponding drawing scanning subsystem can be driven to scan according to the judgment result, so that the scanning efficiency is improved.
The image processing module comprises a preprocessing unit and a coordinate system construction unit, wherein the coordinate system construction unit is connected with the preprocessing unit;
the preprocessing unit is used for carrying out gray-scale image conversion on the scanned image transmitted by the drawing scanning subsystem and identifying lines and frames by utilizing an edge identification algorithm;
the coordinate system construction unit is used for constructing one or more coordinate systems according to the identified frame lines, wherein the frame lines of the construction drawing are taken as coordinate axes, and the intersection point of the two frame lines is taken as an origin to establish the coordinate systems.
After the drawing is converted and the edges are identified, the accuracy in the point cloud construction process according to the original lines is guaranteed, and the compiling accuracy is guaranteed.
The compiling and storing module comprises a line compiling unit and an encrypting unit, the line compiling unit is connected with the point cloud data fitting module, and the encrypting unit is connected with the line compiling unit;
the line compiling unit is used for compiling and integrating the fitted point cloud lines according to the coordinate values of the intersection points;
and the encryption unit is used for encrypting, storing and transmitting the integrated vector drawing.
Through the integration of lines, a complete electronic file highly matched with the original construction drawing can be obtained, the vector drawing is encrypted, and the safety is guaranteed.
The point cloud data fitting module comprises a point cloud data acquisition unit and a data fitting unit, the point cloud data acquisition unit is connected with the drawing scanning subsystem, and the data fitting unit is connected with the point cloud data acquisition unit;
the point cloud data acquisition unit is used for acquiring point cloud data constructed by the drawing scanning subsystem and summarizing and sequencing the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem;
and the data fitting unit is used for fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem to obtain a fitted line.
The point cloud data constructed by the drawing scanning unit in the normal motion process can be obtained through the point cloud data obtaining unit, and all the obtained point cloud data are fitted through the data fitting unit to obtain an accurate fitting line.
The point cloud data fitting module further comprises a data inserting unit, and the data inserting unit is connected with the data fitting unit;
and the data insertion unit is used for acquiring manual point cloud data after acquiring the manual signal transmitted by the drawing scanning subsystem, and inserting the manual point cloud data into the sorted point cloud data correspondingly according to the coordinate value of the manual point cloud data.
When the construction drawing lines are missing, the drawing scanning unit is manually controlled to construct point cloud, manual point cloud data are inserted into the sorted point cloud data through the data insertion unit according to the coordinate values of the manual point cloud data, fitting is carried out, and the accuracy and the integrity of the lines are further guaranteed.
The drawing scanning subsystem comprises a scanning device and a point cloud device, wherein the scanning device is used for describing a drawing and transmitting the scanned drawing to the image processing module;
the point cloud device is used for constructing point cloud data according to the driving data and uploading the point cloud data to the point cloud data fitting module for fitting.
In a second aspect, the present invention provides a construction drawing review-based vector drawing compiling method, which is suitable for the construction drawing review-based vector drawing compiling system according to the first aspect, and includes the following steps:
fixing the construction drawing to be compiled on a drawing scanning subsystem for scanning, and transmitting the obtained scanning image to an image processing module for processing;
judging the intersection points and the original line trend of the processed scanning image, and constructing point cloud data by driving the drawing scanning subsystem according to the driving data;
sequencing the acquired point cloud data and the manual point cloud data, and fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem to obtain a fitted line;
and compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem.
The invention provides a construction drawing review vector-based drawing compiling method and system, which are characterized in that a construction drawing to be compiled is fixed on a drawing scanning subsystem for scanning, and an obtained scanning image is transmitted to an image processing module for processing; judging the intersection points and the original line trend of the processed scanning image, and constructing point cloud data by driving the drawing scanning subsystem according to the driving data; sequencing the acquired point cloud data and the manual point cloud data, and fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem to obtain a fitted line; and compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem, so that a scanning file highly matched with the original construction drawing can be obtained, and the compiling precision of the construction drawing is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a construction drawing review vector drawing compiling system based on a construction drawing according to the present invention.
FIG. 2 is a schematic structural diagram of a drawing scanning subsystem provided by the present invention.
Fig. 3 is a schematic structural diagram of a point cloud apparatus provided by the present invention.
Fig. 4 is a schematic structural diagram of a point cloud mechanism provided by the present invention.
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
Fig. 6 is a half sectional view of a point cloud mechanism provided by the present invention.
Fig. 7 is a schematic structural diagram of a scanning device provided by the present invention.
Fig. 8 is a schematic step diagram of a method for compiling a review vector drawing based on a construction drawing according to the present invention.
1-a data processing subsystem, 2-a drawing scanning subsystem, 11-an image processing module, 12-a point cloud data fitting module, 13-a compiling and storing module, 14-a scanning driving module, 111-a preprocessing unit, 112-a coordinate system constructing unit, 131-a line compiling unit, 132-an encrypting unit, 121-a point cloud data acquiring unit, 122-a data fitting unit, 123-a data inserting unit, 3-a bottom plate, 4-a support, 5-a scanning device, 6-a point cloud device, 61-a sliding mechanism, 62-a moving mechanism, 63-a point cloud mechanism, 631-a clamping seat assembly, 632-a calibrating assembly, 633-a verifying assembly, 6321-a circular tube, 6322-an elastic element, 6323-a clamping block, 6324-a marking assembly, 63241-fluorescence column, 63242-marking head, 63243-position sensor, 6311-fixed cover, 6312-pressing block, 6313-adjusting rod, 6331-supporting rod, 6332-laser, 621-guide rail, 622-moving rod, 623-sliding block, 51-first lead screw component, 52-scanning mechanism, 53-driving mechanism, 531-adjusting component, 532-second lead screw component, 5311-connecting frame, 5312-motor, 5313-magnetic reed pipe, 5321-magnet, 7-drawing fixed block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the invention provides a construction drawing review-based vector drawing compiling system, which comprises a data processing subsystem 1 and a drawing scanning subsystem 2 which are connected with each other, wherein the data processing subsystem 1 comprises an image processing module 11, a point cloud data fitting module 12 and a compiling storage module 13 which are connected in sequence;
the drawing scanning subsystem 2 is used for scanning a construction drawing, transmitting a scanned image obtained by scanning to the image processing module 11, creating point cloud data according to received driving data, and transmitting the point cloud data to the point cloud data fitting module 12;
the image processing module 11 is configured to perform preprocessing according to the scanned image, and establish a coordinate system based on a frame line in the scanned image;
the point cloud data fitting module 12 is configured to perform point location construction and point cloud line fitting on the received point cloud data in the coordinate system;
and the compiling and storing module 13 is used for compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem 2.
In the embodiment, a construction drawing to be compiled is fixed on the drawing scanning subsystem 2 for scanning, and an obtained scanning image is transmitted to the image processing module 11 for processing; judging the intersection points and the original line trend of the processed scanning image, and constructing point cloud data by driving the drawing scanning subsystem 2 according to the driving data; sequencing the acquired point cloud data and the manual point cloud data, and fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem 2 to obtain a fitted line; and compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem 2, so that a scanning file highly matched with the original construction drawing can be obtained, and the compiling precision of the construction drawing is improved.
Further, the data processing subsystem 1 further includes a scan driving module 14, and the scan driving module 14 is connected to the image processing module 11 and the drawing scanning subsystem 2;
the scanning driving module 14 is configured to perform intersection judgment on the original line in the preprocessed scanned image, perform trend judgment on the original line based on the intersection, and output the driving data to the drawing scanning subsystem 2.
In this embodiment, the intersection of the original line in the preprocessed scanned image is determined, and the direction of the original line is determined based on the intersection, that is, whether the line in the scanned image has an intersection is determined according to the preprocessed image, if the intersection exists, the driving data is output according to the direction of the line head, the driving data includes line direction determination data and data of the start point and the end point of the line, the line is identified and determined by the scanning driving module 14, so that the repeated positioning of the drawing scanning subsystem 2 is avoided, and the corresponding drawing scanning subsystem 2 is driven to scan according to the determination result, thereby improving the scanning efficiency.
Further, the image processing module 11 includes a preprocessing unit 111 and a coordinate system constructing unit 112, wherein the coordinate system constructing unit 112 is connected to the preprocessing unit 111;
the preprocessing unit 111 is configured to perform grayscale conversion on the scanned image transmitted by the drawing scanning subsystem 2 and perform recognition of lines and frames by using an edge recognition algorithm;
the coordinate system constructing unit 112 is configured to construct one or more coordinate systems according to the identified frame lines, where the frame lines of the construction drawing are used as coordinate axes, and an intersection point of two frame lines is used as an origin to establish the coordinate system.
In the embodiment, the obtained scanning image is converted into a gray scale image, the lines and the frame lines of the drawing are identified by using an edge identification algorithm, after the drawing is converted and edge identified, the coordinate system is established by using the frame lines of the construction drawing as coordinate axes and the intersection point of the two frame lines as an origin according to a frame line component coordinate system, wherein the number of the coordinate systems can be one or two or four, and the selection of the coordinate system corresponds to the number of the drawing scanning subsystems 2 selectively driven by the scanning driving module 14, so that the components and the acquisition of point cloud data can be performed according to the corresponding coordinate system when scanning is performed; the accuracy in the point cloud construction process according to the original lines is guaranteed, and the compiling accuracy is guaranteed.
Further, the compiling and storing module 13 includes a line compiling unit 131 and an encrypting unit 132, the line compiling unit 131 is connected to the point cloud data fitting module 12, and the encrypting unit 132 is connected to the line compiling unit 131;
the line compiling unit 131 is configured to compile and integrate the fitted point cloud lines according to coordinate values of intersection points;
the encryption unit 132 is configured to encrypt, store and transmit the integrated vector drawing.
In the embodiment, a complete electronic file highly matched with an original construction drawing can be obtained by integrating lines, the vector drawing is encrypted, and in the encryption process, the encryption principle of a private chain of a block chain is borrowed or a random combination of a plurality of keys is used for encrypting and storing the block chain, so that the safety is ensured.
Further, the point cloud data fitting module 12 includes a point cloud data obtaining unit 121 and a data fitting unit 122, the point cloud data obtaining unit 121 is connected to the drawing scanning subsystem 2, and the data fitting unit 122 is connected to the point cloud data obtaining unit 121;
the point cloud data acquisition unit 121 is configured to acquire point cloud data constructed by the drawing scanning subsystem 2, and summarize and sort the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem 2;
and the data fitting unit 122 is configured to perform line fitting on all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem 2 to obtain a fitted line.
In this embodiment, the point cloud data constructed by the drawing scanning unit in the normal movement process can be obtained by the point cloud data obtaining unit 121, and all the obtained point cloud data are fitted by the data fitting unit 122 to obtain an accurate fitting line, wherein the fitting process is to correspondingly label the coordinate system according to the coordinate values of the obtained point cloud data, and since two groups of point cloud data coordinate values are uploaded each time, the first label of the coordinate values uploaded at the next time is covered with the second coordinate value of the coordinate values uploaded at the previous time based on the superposition principle of the same coordinate values, so that the same point value of two layers of the day can be obtained finally, and the line is fitted according to the obtained time line to obtain the fitting line, wherein the reason that the uploaded point cloud data are two groups is that, when the drawing scanning subsystem 2 component data is utilized, in order to ensure the accuracy of the point cloud data, the current data point is subjected to fluorescence labeling, and when the current data point moves to the next data point, the coordinate value of the previous data point is subjected to coordinate value review, so that two groups of point cloud data are uploaded, and the data precision can be further ensured.
Further, the point cloud data fitting module 12 further includes a data inserting unit 123, and the data inserting unit 123 is connected to the data fitting unit 122;
the data inserting unit 123 is configured to obtain manual point cloud data after obtaining the manual signal transmitted by the drawing scanning subsystem 2, and insert the manual point cloud data into the sorted point cloud data according to the coordinate value of the manual point cloud data.
In this embodiment, when a construction drawing line is missing, the drawing scanning unit is manually controlled to construct a point cloud, and the data insertion unit 123 is used to insert manual point cloud data into the sorted point cloud data according to the coordinate value of the manual point cloud data, and then fitting is performed, so as to further ensure the accuracy and integrity of the line.
Further, the drawing scanning subsystem 2 includes a bottom plate 3, a bracket 4, a scanning device 5 and a point cloud device 6, the bracket 4 is fixedly connected with the bottom plate 3 and is located around the bottom plate 3, the scanning device 5 is detachably connected with the bracket 4 and is located on one side of the bottom plate 3, the point cloud device 6 is slidably connected with the bottom plate 3 and is located on one side of the bottom plate 3, and the scanning device 5 is used for describing drawings and transmitting the scanned drawings to the image processing module 11; the point cloud device 6 is used for constructing point cloud data according to the driving data and uploading the point cloud data to the point cloud data fitting module 12 for fitting;
the point cloud device 6 comprises a sliding mechanism 61, a moving mechanism 62 and a point cloud mechanism 63, wherein the sliding mechanism 61 is in sliding connection with the bottom plate 3 and is positioned on one side of the bottom plate 3, the moving mechanism 62 is fixedly connected with the sliding mechanism and is positioned on one side of the scanning device 5 close to the bottom plate 3, and the point cloud mechanism 63 is fixedly connected with the moving mechanism 62 and is positioned on one side of the bottom plate 3 close to the moving mechanism 62.
In this embodiment, please refer to fig. 2 to 6, wherein the sliding mechanism 61 is a sliding block sliding in a groove of the bottom plate 3, two sides of the bottom plate 3 are respectively provided with a groove, the plurality of sliding mechanisms 61 slide under the driving of a motor after receiving driving data, the number of the plurality of sliding mechanisms is two or four, firstly, a construction drawing is fixed on the bottom plate 3, then the construction drawing is scanned by the scanning device 5, a scanned image is uploaded to the image processing module 11 for preprocessing, a scanning driving module 14 is used for performing intersection point and cross point judgment on the scanned image of the preprocessed urheen, and the driving data is output to the point cloud device 6 based on the intersection point for judging the trend of an original line, the point cloud device 6 is driven to move according to the trend of the line, and the sliding mechanism 61 slides on the bottom plate 3, the moving mechanism 62 is driven to move above the drawing, so that in order to facilitate accurate positioning of the point cloud mechanism 63, the position of the point cloud mechanism 63 above the drawing is changed by the moving mechanism 62 according to the direction of lines, and when the position is calibrated by the coordinate system, the point cloud mechanism 63 is driven to move downwards according to the driving data, the position information of the current point is obtained, the fluorescence calibration is carried out on the current point, when moving to the next group of data, the point cloud data of the previous group of data and the current point cloud data are checked and uploaded to the point cloud data fitting module 12 together for sorting and integration, and then fitting the point cloud data, compiling and encrypting the data through a storage module after line fitting, and guaranteeing the precision of drawing compiling through the accurate positioning of the point cloud device 6 while guaranteeing the safety.
In order to ensure the compiling efficiency, the scanning driving module 14 splits the scanning image, divides the scanning image into a plurality of equal parts, respectively drives a plurality of point cloud mechanisms 63 with corresponding quantity to work, and then the point cloud data fitting module 12 processes the point cloud data to obtain an accurate compiling drawing, thereby improving the efficiency.
Further, the point cloud mechanism 63 includes a card seat assembly 631, a calibration assembly 632, and a verification assembly 633, where the card seat assembly 631 is fixedly connected to the moving mechanism 62 and located at one side of the moving mechanism 62, the calibration assembly 632 is detachably connected to the card seat assembly 631 and located at one side far from the card seat assembly 631, and the verification assembly 633 is fixedly connected to the calibration assembly 632 and located at one side of the calibration assembly 632.
In this embodiment, after the point cloud mechanism 63 is brought to the correct position by the sliding mechanism 61 and the moving mechanism 62, the current position is calibrated by the calibrating component 632, and the previous group of point cloud data is verified by the verifying component 633, so that when the point cloud data is uploaded, the current point cloud data and the previous group of point cloud data are uploaded at the same time, which is convenient for the ordering and integration of data and also for ensuring the accuracy of data, when a line is missing, the connection with the calibrating component 632 is released by the card seat component 631, and the position of the moving mechanism 62 is manually changed after the position of the sliding mechanism 61 is changed according to the previous driving distance, and then the calibrating component 632 is driven to vertically move downwards, so as to calibrate the current position and acquire data, and on the premise of ensuring the accuracy of data, the integrity of the data is also guaranteed.
Further, the calibration assembly 632 includes a circular tube 6321, two elastic elements 6322, two locking blocks 6323 and a marking member 6324, wherein the two elastic elements 6322 are fixedly connected to the circular tube 6321 and located at two sides of the circular tube 6321, the two locking blocks 6323 are respectively fixedly connected to the two elastic elements 6322 and detachably connected to the locking seat assembly 631 and located at a side away from the circular tube 6321, and the marking member 6324 is located in the circular tube 6321.
In the embodiment, when the manual marking is not needed, the marking assembly 632 is clamped into the holder assembly 631 by the cooperation of the fixture block 6323 and the elastic element 6322, and the marking and coordinate value acquisition are performed by the marking member 6324; if the manual marking is needed, the holder assembly 631 is pressed to deform the elastic element 6322, the latch 6323 is separated from the holder assembly 631, the round tube 6321 is removed, and the marking member 6324 is used to perform the marking and coordinate value acquisition.
Further, the marker member 6324 includes a fluorescent post 63241, a marker head 63242, and a position sensor 63243, the marker head 63242 is detachably connected to the barrel 6321 and is located at a side away from the holder assembly 631, the fluorescent post 63241 abuts the marker head 63242 and is located in the barrel 6321, and the position sensor 63243 is fixedly connected to the marker head 63242 and is located at a side away from the fluorescent post 63241.
In this embodiment, the fluorescence column 63241 may be a material of a liquid column in a marker pen, or may be a pipe containing a fluorescence liquid, and the marking head 63242 abuts against the fluorescence column 63241, so that the fluorescence material inside the fluorescence column 63241 can be ensured to flow out through the marking head 63242, after the marking head 63242 contacts a drawing sheet, fluorescence marking is performed on the drawing sheet, when the marking head 63242 contacts the drawing sheet, the position sensor 63243 starts to operate, current position information is acquired, and then the current position information is transmitted to the point cloud data fitting module 12, where the position sensor 63243 is an OPTO DIODE.
Further, the holder assembly 631 includes a fixed cover 6311, a pressing block 6312 and an adjusting rod 6313, the fixed cover 6311 is fixedly connected to the moving mechanism 62 and located between the moving mechanism 62 and the circular tube 6321, the pressing block 6312 is slidably connected to the fixed cover 6311 and located in the fixed cover 6311, and the adjusting rod 6313 is fixedly connected to the pressing block 6312 and detachably connected to the latch block 6323 and located between the pressing block 6312 and the latch block 6323.
In this embodiment, the fixed cover 6311 is connected to the moving mechanism 62 to facilitate the change of the position of the driving index assembly 632, wherein the fixed cover 6311 is similar to a common bottle cap, but a through hole is formed on both sides of the fixed cover 6311, the through hole is engaged with the latch 6323, the pressing block 6312 is slidably engaged with the fixed cover 6311 in the through hole, but the pressing block 6312 is not separated from the fixed cover 6311, when the pressing block 6312 is pressed, the adjusting rod 6313 is used to change the amount of expansion and contraction of the elastic element 6322 to further separate the latch 6323 from the connection relationship with the fixed cover 6311, and during normal use, the latch 6323, the adjusting rod 6313 and the pressing block 6312 are together in the through hole to facilitate the flexible selection of whether to perform the manual positioning marking.
Further, the verification member comprises a supporting rod 6331 and a laser 6332, the supporting rod 6331 is detachably connected to the round tube 6321 and is located on one side of the round tube 6321, and the laser 6332 is detachably connected to the supporting rod 6331 and is located on one side of the supporting rod 6331.
In this embodiment, the supporting rod 6331 is L-shaped, wherein the diameter of the connecting portion of the circular tube 6321 is the linear distance between two adjacent point cloud data points, and the laser 6332 can identify the fluorescent reagent, so as to perform a review on the coordinate value of the previous point cloud data, thereby ensuring the accuracy of the data and further ensuring the accuracy of the compilation.
Further, the moving mechanism 62 includes two guide rails 621, a moving rod 622, and a sliding block 623, wherein the two guide rails 621 are fixedly connected to the sliding mechanism 61 and located on a side of the sliding mechanism 61 away from the bottom plate 3, the moving rod 622 is slidably connected to the guide rails 621 and located on a side of the guide rails 621, and the sliding block 623 is slidably connected to the moving rod 622 and located between the two guide rails 621.
In this embodiment, after receiving the driving data, the moving rod 622 is driven to slide on the guide rail 621, the height of the point cloud mechanism 63 is changed, damage to drawings in the moving process is avoided, then the sliding mechanism 61 is driven to slide on the bottom plate 3, after reaching the specified data, the moving rod 622 is driven to move downwards, the sliding block 623 is driven to slide on the moving rod 622, the position of the point cloud mechanism 63 is changed to the specified position, the point cloud mechanism 63 constructs point cloud data and transmits the point cloud data to the point cloud data fitting module 12 for processing, the specified position of the drawings can be quickly reached, and the precision is improved.
Further, the scanning device 5 includes a first lead screw assembly 51, a scanning mechanism 52 and a driving mechanism 53, the first lead screw assembly 51 is rotatably connected to the support 4 and is located on one side of the bottom plate 3, the driving mechanism 53 is fixedly connected to the first lead screw assembly 51 and is located between the first lead screw assembly 51 and the bottom plate 3, and the scanning mechanism 52 is fixedly connected to the driving mechanism 53 and is located between the driving mechanism 53 and the bottom plate 3.
In this embodiment, please refer to fig. 7, the first lead screw assembly 51 is utilized to drive the scanning mechanism 52 to move and scan in the axial direction of the drawing, and the driving mechanism 53 can drive the scanning mechanism 52 to scan in the direction perpendicular to the axial direction of the drawing, wherein the scanning mechanism 52 may be a common camera or other devices capable of collecting images.
Further, the driving mechanism 53 includes an adjusting component 531 and a second lead screw component 532, the adjusting component 531 is fixedly connected to the first lead screw component 51, and the second lead screw component 532 is rotatably connected to the adjusting component 531.
In this embodiment, the adjusting component 531 is fixed to the slider in the first lead screw component 51, and the second lead screw component 532 drives the scanning mechanism 52 to move left and right by moving the first lead screw component 51, so as to implement complete scanning of the image by the scanning mechanism 52.
Further, the adjusting assembly 531 includes a connecting frame 5311, two motors 5312 and two reed pipes 5313, the connecting frame 5311 is fixedly connected to the first lead screw assembly 51 and is located between the first lead screw assembly 51 and the second lead screw assembly 532, the two motors 5312 are respectively and fixedly connected to two sides of the connecting frame 5311, the two reed pipes 5313 are respectively and fixedly connected to the connecting frame 5311 and are respectively located at one side of the two motors 5312, and the second lead screw assembly 532 has a magnet 5321.
In this embodiment, the two motors 5312 have magnetic reed pipes 5313 at their sides, and the second lead screw assembly 532 has a magnet 5321, when it moves to one of the magnetic reed pipes 5313, the magnet 5321 causes the magnetic reed pipe 5313 to conduct and then conduct electricity, and drives the motor 5312 at the same side to work, and the motor 5312 is connected with the first lead screw assembly 51 and then drives the first lead screw assembly 51 to work, so as to drive the scanning mechanism 52 to move on the drawing axis, when it moves to the motor 5312 at the other side, the magnet 5321 on the second lead screw assembly 532 is conducted with the magnetic reed pipe 5313 at the other side, and then drives the other motor 5312 to work, and drives the first lead screw assembly 51 to move again, so that it can be prepared that when the scanning mechanism 52 scans left and right, the first lead screw assembly 51 does not move, so as to ensure the integrity of the left and right directions of the drawing, only after completing a left-to-right or right-to-left scan, the motor 5312 on the current side can be switched on to work, the first lead screw assembly 51 is driven to move, the completeness of the drawing is guaranteed, the speed of the motor 5312 in the second lead screw assembly 532 can be adjusted, and the definition of the drawing is guaranteed.
Further, the drawing scanning subsystem 2 further comprises two drawing fixed blocks 7, and the two drawing fixed blocks 7 are connected with the bottom plate 3 in a sliding mode and located on one side of the bottom plate 3 and the point cloud mechanism 63.
In this embodiment, in order to guarantee the squareness of the position where the drawing is placed and avoid that the drawing changes position when scanning and acquiring point cloud data, the drawing is fixed by adjusting the position of the drawing fixing block 7, and the drawing position is guaranteed by the position reference of the drawing fixing block 7, so that the scanning drawing meets the requirements, the accuracy of the obtained point cloud data can be guaranteed, and the compiling accuracy is guaranteed.
Referring to fig. 8, the present invention provides a method for compiling a review vector drawing based on a construction drawing, including the following steps:
s101, fixing the construction drawing to be compiled on the drawing scanning subsystem 2 for scanning, and transmitting the obtained scanning image to the image processing module 11 for processing.
And S102, judging the intersection points and the original line trends of the processed scanned images, and constructing point cloud data by driving the drawing scanning subsystem 2 according to the driving data correspondingly.
S103, sequencing the acquired point cloud data and the manual point cloud data, and fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem 2 to obtain a fitted line.
And S104, compiling and encrypting the fitted point cloud line according to the running route of the drawing scanning subsystem 2.
In this embodiment, the operation flow of the method for compiling the construction drawing based review vector drawing is the same as the flow of the construction drawing based review vector drawing compiling system provided by the present invention, and therefore, the description thereof is omitted here.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A construction drawing based review vector drawing compiling system is characterized in that,
the construction drawing based review vector drawing compiling system comprises a data processing subsystem and a drawing scanning subsystem which are connected with each other, wherein the data processing subsystem comprises an image processing module, a point cloud data fitting module and a compiling and storing module which are sequentially connected;
the drawing scanning subsystem is used for scanning a construction drawing, transmitting a scanned image obtained by scanning to the image processing module, creating point cloud data according to received driving data, and transmitting the point cloud data to the point cloud data fitting module, wherein intersection judgment is carried out on an original line in the scanned image after preprocessing, trend judgment of the original line is carried out based on the intersection, namely whether the line in the scanned image has the intersection or not is judged according to the image after preprocessing, if the line has the intersection, the driving data is output according to the trend of a line head, and the driving data comprises line trend judging data, starting point data and end point data of the line;
the image processing module is used for preprocessing according to the scanned image and establishing a coordinate system based on a frame line in the scanned image;
the point cloud data fitting module is used for carrying out point location construction and point cloud line fitting on the received point cloud data in the coordinate system;
and the compiling and storing module is used for compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem.
2. The construction drawing-based review vector drawing compilation system of claim 1,
the data processing subsystem also comprises a scanning driving module, and the scanning driving module is connected with the image processing module and the drawing scanning subsystem;
and the scanning driving module is used for judging the intersection of the original lines in the preprocessed scanning image, judging the trend of the original lines based on the intersection and outputting the driving data to the drawing scanning subsystem.
3. The construction drawing inspection-based vector drawing compilation system according to claim 1,
the image processing module comprises a preprocessing unit and a coordinate system constructing unit, and the coordinate system constructing unit is connected with the preprocessing unit;
the preprocessing unit is used for carrying out gray-scale image conversion on the scanned image transmitted by the drawing scanning subsystem and identifying lines and frames by utilizing an edge identification algorithm;
the coordinate system construction unit is used for constructing one or more coordinate systems according to the identified frame lines, wherein the frame lines of the construction drawing are taken as coordinate axes, and the intersection point of the two frame lines is taken as an origin to establish the coordinate systems.
4. The construction drawing-based review vector drawing compilation system of claim 1,
the compiling and storing module comprises a line compiling unit and an encrypting unit, the line compiling unit is connected with the point cloud data fitting module, and the encrypting unit is connected with the line compiling unit;
the line compiling unit is used for compiling and integrating the fitted point cloud lines according to the coordinate values of the intersection points;
and the encryption unit is used for encrypting, storing and transmitting the integrated vector drawing.
5. The construction drawing-based review vector drawing compilation system of claim 1,
the point cloud data fitting module comprises a point cloud data acquisition unit and a data fitting unit, the point cloud data acquisition unit is connected with the drawing scanning subsystem, and the data fitting unit is connected with the point cloud data acquisition unit;
the point cloud data acquisition unit is used for acquiring point cloud data constructed by the drawing scanning subsystem and summarizing and ordering the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem;
and the data fitting unit is used for fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem to obtain a fitted line.
6. The construction drawing inspection-based vector drawing compilation system according to claim 1,
the point cloud data fitting module also comprises a data inserting unit, and the data inserting unit is connected with the data fitting unit;
the data insertion unit is used for acquiring manual point cloud data after acquiring a manual signal transmitted by the drawing scanning subsystem, and inserting the manual point cloud data into the sorted point cloud data according to the coordinate value of the manual point cloud data, wherein the manual point cloud data is obtained by manually controlling the drawing scanning subsystem to construct point clouds when a construction drawing line is missing.
7. The construction drawing-based review vector drawing compilation system of claim 1,
the drawing scanning subsystem comprises a scanning device and a point cloud device, wherein the scanning device is used for describing a drawing and transmitting the scanned drawing to the image processing module;
the point cloud device is used for constructing point cloud data according to the driving data and uploading the point cloud data to the point cloud data fitting module for fitting.
8. A construction drawing review-based vector drawing compilation method applied to the construction drawing review-based vector drawing compilation system according to any one of claims 1 to 7, comprising the steps of:
fixing the construction drawing to be compiled on a drawing scanning subsystem for scanning, and transmitting the obtained scanning image to an image processing module for processing;
judging intersections and original line trends of the processed scanned image, and constructing point cloud data according to a drawing scanning subsystem driven by corresponding driving data, wherein the intersections of the original lines in the preprocessed scanned image are judged, the trends of the original lines are judged based on the intersections, namely whether the lines in the scanned image have the intersections or not is judged according to the preprocessed image, if the intersections exist, the driving data are output according to the line head trends, and the driving data comprise line trend judging data and initial point and final point position data of the lines;
sequencing the acquired point cloud data and manual point cloud data, and fitting all the point cloud data according to the moving direction and the time sequence of the drawing scanning subsystem to obtain a fitted line;
and compiling and encrypting the fitted point cloud lines according to the running route of the drawing scanning subsystem.
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