CN115242769A - Remote field quality inspection system - Google Patents
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- 238000010586 diagram Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 12
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention relates to a remote field quality inspection system. The system comprises a software client, a Web server and a video terminal; the software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to collect data; the surveying apparatus includes: a total station and a GNSS receiver; the software client side applies an Android system; the Web server is respectively connected with the software client and the video terminal; the video terminal is used for collecting and storing the real-time video of the field surveying and mapping, and uploading the real-time video to the Web server for storage; the Web server is used for carrying out quality inspection according to the data collected by the mapping equipment and generating a quality inspection report according to the quality inspection result; the quality inspection comprises the following steps: error calculation and precision statistics. The invention can effectively improve the inspection efficiency and can effectively supervise the data acquisition and processing process.
Description
Technical Field
The invention relates to the field of surveying and mapping, in particular to a remote field quality inspection system.
Background
Under the background of multidisciplinary cross research, the trend of instrument integration and diversified observation means is increasingly shown, and the research hotspot is formed by improving the measurement means by utilizing the current popular technology to improve the efficiency and save the production cost. The Client-Server (CS) is a two-layer design structure with a Client responsible for interaction tasks and a Server responsible for data management. The CS structure has the advantages of strong interactivity, high maturity stability, high response speed and the like. The Android mobile phone operating system has a huge user group, and an Application Program Interface (API) of the system can realize operations such as mobile navigation positioning, information sending and receiving, bluetooth serial port communication, intelligent processing and identification. Surveying and mapping instruments such as a total station, a GNSS receiver and a digital level instrument are provided with Bluetooth ports, and the Android Bluetooth serial port-based program development is very widely applied in the surveying and mapping field.
For the national resource investigation acceptance project, firstly, the inspection area is extracted, then field data acquisition is carried out, and then precision analysis and error statistics are completed and a quality inspection report is formed. The problems that the number of technicians is small, time is tight, tasks are heavy, field measurement and field data processing cannot be effectively supervised and the like generally exist. Therefore, there is a need for a remote field quality inspection system to effectively solve the problems and deficiencies of inspection and acceptance work
Disclosure of Invention
The invention aims to provide a remote field quality inspection system which can effectively improve inspection efficiency and can effectively supervise data acquisition and processing processes.
In order to achieve the purpose, the invention provides the following scheme:
a remote field quality inspection system, comprising: the system comprises a software client, a Web server and a video terminal;
the software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to acquire data; the surveying device includes: a total station and a GNSS receiver; the software client side applies an Android system;
the Web server is respectively connected with the software client and the video recording terminal;
the video terminal is used for collecting and storing a real-time video of field surveying and mapping, and uploading the real-time video to the Web server for storage;
the Web server is used for carrying out quality inspection according to the data collected by the mapping equipment and generating a quality inspection report according to a quality inspection result; the quality check includes: error calculation and precision statistics.
Optionally, the software client includes: the system comprises a Bluetooth API, a mapping equipment module, a measurement drawing display module and a data acquisition module;
the Bluetooth API is used for completing Bluetooth opening, bluetooth closing, bluetooth searching, bluetooth pairing, measurement instruction sending and data receiving;
the mapping device module is used for setting mapping devices and selecting mapping devices;
the measurement drawing display module is used for carrying out operations of graphic display, surface feature selection and point-line-surface feature information acquisition by utilizing a MicroDraw graphic control;
the data acquisition module is used for acquiring data according to the selected mapping equipment.
Optionally, the software client further includes: a user registration and login module;
the user registration and login module is used for registering and logging in user information.
Optionally, the Web server includes: the system comprises a user management module, a task management module, an error calculation and statistics module, a monitoring image management module and a report generation module;
the user management module is used for carrying out online verification on user information and managing the authority change, deletion and password reset of registered users;
the task management module is used for creating an inspection item and uploading a measurement drawing according to the inspection precision and the number of inspection elements; the measurement diagram is used for downloading the software client;
the error calculation and statistics module is used for carrying out quality inspection according to the data acquired by the mapping equipment;
the monitoring image management module is used for receiving and storing the real-time video;
the report generating module is used for generating a quality inspection report according to a quality inspection result; and export the quality check report to the word document.
Optionally, the error calculation and statistics module determines the median error of the boundary point and the point location of the feature point by using a correction number during precision statistics.
Optionally, the error calculation and statistics module utilizes a formula
Determining a medium error;
where v is the difference between the arithmetic mean and the observed value, n is the number of points, and σ is the median error.
Optionally, the video recording terminal includes: a network interface and OCX controls provided for use by the B/S system.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the remote field quality inspection system provided by the invention, the Android system, the surveying and mapping equipment and the Web server are organically combined, so that the operation efficiency is greatly improved. The functions of creating inspection tasks, uploading inspection drawings, calculating precision, counting and the like are completed on a Web server, a Bluetooth serial port provided by an Android system is used for being connected with a total station and a GNSS receiver, instrument control and port information monitoring are further realized by establishing a virtual serial port mode, measurement data are obtained, and precision evaluation and inspection report output are carried out on the Web server. Meanwhile, the operation personnel are monitored and positioned in real time in a voice and video mode. The method not only effectively improves the inspection efficiency, but also effectively supervises the data acquisition and processing process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of a remote field quality inspection system according to the present invention;
FIG. 2 is a functional diagram of a remote field quality inspection system according to the present invention;
FIG. 3 is a schematic diagram of data acquisition;
FIG. 4 is a schematic diagram of a Bluetooth communication implementation;
FIG. 5 is a schematic view of a mapping apparatus setup;
FIG. 6 is a diagram illustrating GNSS parameter settings;
FIG. 7 is a schematic view of a data acquisition interface;
FIG. 8 is a schematic diagram of error calculation;
FIG. 9 is a diagram of accuracy statistics;
FIG. 10 is a diagram illustrating pictures collected by a video recording terminal;
fig. 11 is a schematic diagram of a real-time video collected by a video recording terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a remote field quality inspection system which can effectively improve inspection efficiency and can effectively supervise data acquisition and processing processes.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a schematic structural diagram of a remote field quality inspection system provided by the present invention, and as shown in fig. 1, the remote field quality inspection system provided by the present invention includes: software client, web server and video terminal.
As shown in fig. 2, the remote field quality inspection system includes two types of terminal operations and background management, including 7 specific contents, such as serial port communication, field measurement, user management, task management, error calculation and statistics, monitoring image management, quality inspection report generation and printing, and the like.
The software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to collect data; the mapping devices include, but are not limited to: a total station and a GNSS receiver; the software client side applies an Android system. And setting instrument parameters after the connection is successful. And then opening the checking drawing, selecting the point, line and planar elements to be checked when the drawing is in an editing state, further sending a measuring instruction, monitoring a Bluetooth communication port of the instrument in real time, and analyzing the characteristic value transmitted by the measuring equipment to calculate the three-dimensional coordinate.
And the Web server is respectively connected with the software client and the video recording terminal.
The video terminal is used for collecting and storing real-time videos of field surveying and mapping, and uploading the real-time videos to the Web server for storage.
And the video terminal sends the monitoring video through the 4G network. The network signal loss or unstable connection condition exists in rural and remote areas, the key measurement steps and the site condition can be subjected to video recording or photographing through the terminal machine, and the video recording or photographing can be uploaded to the Web server.
The Web server is used for carrying out quality inspection according to the data collected by the mapping equipment and generating a quality inspection report according to a quality inspection result; the quality check includes: error calculation and precision statistics.
Based on the Android studio development platform and the Aliskiu server, the functions of project management, mapping equipment and mobile phone Bluetooth connection, point location coordinate acquisition, achievement real-time transmission, error automatic calculation, precision statistics and the like are achieved, the system is simple to operate, data change can be avoided, and the authenticity of results is guaranteed.
The software client comprises: the device comprises a Bluetooth API, a mapping equipment module, a measurement drawing display module and a data acquisition module.
The Bluetooth API is used for completing Bluetooth opening, bluetooth closing, bluetooth searching, bluetooth pairing, measurement instruction sending and data receiving.
As shown in fig. 4, first, bluetooth permission is configured to implement Bluetooth control, then a Bluetooth Connection class is created for Bluetooth turning on, bluetooth turning off, device searching, and Device Connection, and a Bluetooth Device list adapter class is created for displaying a searched Bluetooth name and a searched Bluetooth address. Creating a simple Bluetooth adapter using a Bluetooth adapter. Defining a register broadcast Receiver () function for registering a broadcast; scanning the DEVICEs by using a Bluetooth DEVICE E XTRA _ DEVICE () function, and displaying the searched paired Bluetooth DEVICEs in a ListView List defined by a Bluetooth DEVICE List Adapter class; create a Socket using device. Createlfcommsockettoservicerecord (UUID) method; and calling a Bluetooth socket.connect () function to realize Bluetooth connection, and after the connection is successful, establishing an input stream and an output stream to transmit and receive data.
The mapping device module is for setting up a mapping device and selecting a mapping device. Clicking a setting button on a main interface, entering an equipment setting interface, selecting the type and the model of surveying and mapping equipment, inputting parameters such as instrument height, rod height, station coordinates and directional coordinates because the measured data of the total station comprises information such as distance and angle, and calculating three-dimensional coordinates by adopting a polar coordinate method. The GNSS receiver is connected with the GNSS receiver, setting parameters such as a central meridian, a coordinate system and four-parameter (seven-parameter) coordinate conversion need to be set, and conversion of longitude, latitude and ground altitude to a Gaussian plane coordinate system is achieved by using the conversion parameters. Mapping device settings and GNSS parameter settings are shown in fig. 5 and 6.
The measurement drawing display module is used for carrying out operations of graphic display, ground feature selection and point-line-surface characteristic information acquisition by utilizing the MicroDraw graphic control.
Coordinate display and mapping processes are typically processed using southern Cass mapping software and stored in DWG or DXF formats. Independently design graphic display instrument and consume a large amount of manpower and materials when APP develops, stability and compatibility effect are not good moreover. The MicroDraw graphic control is a professional graphic component (middleware), is compatible with various CAD/GIS file formats and provides 400 various methods and properties for a developer to call. Downloading a runtime library of the MicroDraw graphic control, putting the SO library file into a libs folder of an Android project, and loading the SO library file into a build.
The data acquisition module is used for acquiring data according to the selected mapping equipment. The data acquisition flow of the data acquisition module is shown in fig. 3.
After the client software establishes communication with the measuring equipment, the transmitted request can be identified according to a measuring instruction format received by the equipment, and the equipment such as a total station or a GNSS receiver and the like can identify a character string transmitted according to bytes or an ASCII code in a 16-system, and reads and displays the character string or the ASCII code according to the bytes when receiving data. In order to obtain high-precision coordinates, conversion parameters need to be set on an instrument setting interface for coordinate conversion. When the total station is used, a survey station and orientation information need to be set; when the GNSS receiver is used, related information such as an ellipsoid, a projection, a central meridian, projection parameters and the like is set. And then sending a measurement instruction, monitoring a Bluetooth communication port to acquire data, analyzing the callback data of the measurement equipment, calculating a three-dimensional coordinate, recording the calculated three-dimensional coordinate and the extracted coordinate of the selected point, line or plane, uploading the three-dimensional coordinate and the extracted coordinate to a server platform, and carrying out contents such as error calculation, precision statistics and the like.
The method comprises the steps of opening a topographic map needing to be checked by using a MicroDraw graphic control, clicking a 'selection' tool, selecting a line segment to be measured, extracting coordinates of two end points of the line segment by a system, clicking a 'total station' icon at the upper right corner of a measuring interface, transmitting an instruction to measuring equipment through a Bluetooth serial port, identifying and responding the instruction by the instrument, monitoring a Bluetooth communication port in real time by the system, analyzing callback data of the measuring equipment, calculating and displaying a three-dimensional coordinate, clicking a 'recording' button to store data, selecting an edge type and determining after the two end points are measured, connecting client software and a Web server before data storage, and uploading original coordinates and checking coordinates to an Aries cloud database by clicking to store. The item list is checked accordingly. The data acquisition interface is shown in fig. 7.
The software client further comprises: and the user registration and login module.
The user registration and login module is used for registering and logging in user information.
The Web server includes: the system comprises a user management module, a task management module, an error calculation and statistics module, a monitoring image management module and a report generation module.
The user management module is used for carrying out online examination and verification on user information and managing permission change, deletion and password resetting of registered users;
the task management module is used for creating an inspection project and uploading a measurement drawing according to the inspection precision and the number of inspection elements; the measurement diagram is used for downloading the software client;
the error calculation and statistics module is used for carrying out quality inspection according to the data acquired by the mapping equipment; and automatically extracting coordinate values of the measurement elements in the graph, solving a difference value between the measurement value and the extracted value, uploading the inspection result to a server in real time by using a network, analyzing the transmitted request by the server, storing the data into a corresponding website function list, and counting the measurement error and the number of the measurement elements.
The monitoring image management module is used for receiving and storing the real-time video;
the report generating module is used for generating a quality inspection report according to a quality inspection result; and export the quality check report to the word document.
The error calculation and statistics module determines the median error of the point locations of the boundary point and the feature point by using a correction number during precision statistics, and is shown in fig. 8 and 9. The limit difference is determined by adopting 2-3 times of medium error according to project requirements. The criterion judged to be qualified is that the proportion of exceeding the tolerance does not exceed 5% of the point number. In order to ensure the normalization of the quality inspection report, the quality inspection report is exported to a word document according to a set template, so that the method is convenient and rapid.
The error calculation and statistics module utilizes a formula
Determining a medium error;
where v is the difference between the arithmetic mean and the observed value, n is the number of points, and σ is the median error.
The video recording terminal includes: a network interface and OCX controls provided for use by the B/S system. The streaming media player is integrated in the OCX control. Various interfaces are provided to provide video stream access and equipment control services for the application platform. The method mainly comprises equipment management, equipment control, live conditions, video inquiry, video playback and downloading and a video playback control interface. The function of the streaming media player integrated in the OCX control supports playing of the PS-encapsulated H264 code stream transmitted by RTP, and the streaming media player is a standard unencrypted code stream. While supporting a multi-play function. Picture and video saving is shown in fig. 10 and 11.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the foregoing, the description is not to be taken in a limiting sense.
Claims (7)
1. A remote field quality inspection system, comprising: the system comprises a software client, a Web server and a video terminal;
the software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to collect data; the surveying device comprises: a total station and a GNSS receiver; the software client side applies an Android system;
the Web server is respectively connected with the software client and the video recording terminal;
the video terminal is used for collecting and storing real-time videos of field surveying and mapping, and uploading the real-time videos to the Web server for storage;
the Web server is used for carrying out quality inspection according to the data collected by the mapping equipment and generating a quality inspection report according to a quality inspection result; the quality check includes: error calculation and precision statistics.
2. The remote field quality inspection system of claim 1, wherein the software client comprises: the system comprises a Bluetooth API, a mapping equipment module, a measurement drawing display module and a data acquisition module;
the Bluetooth API is used for completing Bluetooth opening, bluetooth closing, bluetooth searching, bluetooth pairing, measurement instruction sending and data receiving;
the mapping device module is used for setting mapping devices and selecting mapping devices;
the measurement drawing display module is used for carrying out operations of graphic display, surface feature selection and point-line-surface feature information acquisition by utilizing a MicroDraw graphic control;
the data acquisition module is used for acquiring data according to the selected mapping equipment.
3. The remote field quality inspection system of claim 2, wherein the software client further comprises: a user registration and login module;
the user registration and login module is used for registering and logging in user information.
4. The remote field quality inspection system of claim 1, wherein the Web server comprises: the system comprises a user management module, a task management module, an error calculation and statistics module, a monitoring image management module and a report generation module;
the user management module is used for carrying out online verification on user information and managing the authority change, deletion and password reset of registered users;
the task management module is used for creating an inspection project and uploading a measurement drawing according to the inspection precision and the number of inspection elements; the measurement diagram is used for downloading the software client;
the error calculation and statistics module is used for carrying out quality inspection according to the data acquired by the mapping equipment;
the monitoring image management module is used for receiving and storing the real-time video;
the report generating module is used for generating a quality inspection report according to a quality inspection result; and export the quality check report to the word document.
5. The remote field work quality inspection system according to claim 4, wherein the error calculation and statistics module determines the median error of the point locations of the boundary point and the ground object point by using a correction number in the precision statistics.
6. The remote field quality inspection system of claim 5, wherein the error calculation and statistics module utilizes a formula
Determining a medium error;
where v is the difference between the arithmetic mean and the observed value, n is the number of points, and σ is the median error.
7. The remote field quality inspection system of claim 1, wherein the video recording terminal comprises: a network interface and OCX controls provided for use by the B/S system.
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