CN112487121A - Geographic information collection system - Google Patents
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- CN112487121A CN112487121A CN202011379724.3A CN202011379724A CN112487121A CN 112487121 A CN112487121 A CN 112487121A CN 202011379724 A CN202011379724 A CN 202011379724A CN 112487121 A CN112487121 A CN 112487121A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/166—Editing, e.g. inserting or deleting
- G06F40/177—Editing, e.g. inserting or deleting of tables; using ruled lines
- G06F40/18—Editing, e.g. inserting or deleting of tables; using ruled lines of spreadsheets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4403—Processor initialisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4418—Suspend and resume; Hibernate and awake
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
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Abstract
The invention provides a geographic information acquisition device, which comprises a rotary acquisition disc, a push rod, a rotary control box, a control bottom plate, a geographic information control plate and a fixed chassis, wherein the rotary acquisition disc is arranged on the push rod; the lower end of the rotary acquisition disc is connected with a rotatable push rod, the lower end of the push rod is fixed on a rotary control box (3), the rotary control box (3) is fixed on a control bottom plate (4), a geographic information control plate (5) is arranged in the control bottom plate, and four corners of the lower end of the control bottom plate (4) are provided with fixed chassis (6); a rotating motor, a motor driver and a motor controller are arranged in the rotating control box (3); the rotating motor, the motor driver and the motor controller are connected in sequence; the rotating motor can drive the push rod (2) to rotate, and further drive the rotating collecting disc (1) to rotate; the invention has the advantages of water resistance, rain resistance, dust prevention, sunning prevention and the like by designing the rotary acquisition disk, the remote wireless control and the storage battery.
Description
Technical Field
The invention relates to the field of GIS communication equipment, in particular to a geographic information acquisition device.
Background
The geographic information system technology focuses on research in the theoretical aspect and focuses on practical application. The GIS to which this technology relates is a computer-based tool that can analyze and process spatial information, and in short, map and analyze phenomena and events occurring on earth. However, the existing geographic information acquisition device has single function and low acquisition precision, and cannot meet the wide requirements of users, and particularly, when urban road building entity information is acquired, pictures of buildings cannot be flexibly shot in multiple angles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a time-saving and labor-saving geographic information acquisition device with high reliability.
The technical scheme adopted by the invention is as follows: a geographic information acquisition device comprises a rotary acquisition disc 1, a push rod 2, a rotary control box 3, a control bottom plate 4, a geographic information control plate 5 and a fixed chassis 6;
the lower end of the rotary acquisition disc 1 is connected with a rotatable push rod 2, the lower end of the push rod 2 is fixed on a rotary control box 3, the rotary control box 3 is fixed on a control bottom plate 4, a geographic information control plate 5 is arranged in the control bottom plate 4, and four corners of the lower end of the control bottom plate 4 are provided with fixed chassis 6; a rotating motor, a motor driver and a motor controller are arranged in the rotating control box 3; the rotating motor, the motor driver and the motor controller are connected in sequence; the rotating motor can drive the push rod 2 to rotate, and further drive the rotating collecting disc 1 to rotate; the rotary acquisition disk 1 is provided with a humidity sensor, a temperature sensor, a laser ranging sensor, a GPS module and a camera; the geographic information control panel 5 in the control bottom plate 4 comprises a LoRa module, a data acquisition processor, a controller, a memory and a geographic information server; the LoRa module comprises a data sending and receiving module; the controller module is connected with the LoRa concentrator through a wireless network, and the GPRS module is connected with the remote main server through the Ethernet; the data acquisition module comprises a sensor group, a conditioning circuit and an A/D converter.
Further, the equipment is powered on and hardware is initialized, equipment identification information is sent to the server, timing interruption is set after response is obtained, and the equipment enters a sleep mode; timed wake-up closes the interrupt. Inquiring whether GPRS receives data of the server or not through an AT instruction; and if the server data is received, entering a message processing cycle. Firstly, analyzing server data, judging whether an acquisition instruction is sent to a terminal, if so, sending an acquisition message to an LoRa terminal, waiting for and receiving a feedback message of the terminal, performing data format conversion on the received message, and uploading the converted message to the server through GPRS; on the contrary, the server executes the control instruction of the equipment to the terminal, and performs corresponding operation on the equipment according to the requirement; and if the message is not received, returning to the state of re-entering the interrupt, and waiting to be awakened by the timer.
Further, the server comprises a central processing unit, a power supply, an operating system, data, an application program, a storage medium, a memory, a wired or wireless network interface and a data input and output interface; the power supply supplies power to the central processing unit, the operating system, the data, the application program, the storage medium, the memory, the wired or wireless network interface and the data input and output interface; the central processing unit is internally provided with an operating system, data, an application program, a storage medium and a memory; the CPU is externally provided with a wired or wireless network interface and a data input/output interface.
The base station is internally provided with a processor, a memory, a receiver and a transmitter; the processor, memory, receiver and transmitter are connected by a can bus.
Further, the geographic information control board 5 performs the following processes:
forward compiling: the method comprises the following steps of 1, storing a geographic information basic data table, a track geographic information engineering data table, a track geographic information binary file, wherein the basic data table is a whole geographic data table designed and measured by a survey design unit, the engineering data table is a plurality of data tables obtained by dividing, sorting and checking basic data according to the administration area of ground equipment of a train control system, and the binary file is a binary data file for storing the engineering data table according to a specified data structure format;
data verification: verifying each link of forward programming, and carrying out logic validity check on the program data table to ensure the validity of the program data table; analyzing the binary file to obtain analyzed engineering data, and checking the engineering data with the engineering data in the forward compiling process to ensure the consistency of the two; then, the analysis data and the basic data are checked to ensure that the analysis data covers the whole geographic information and the integrity of the binary file is ensured;
data confirmation: configuring the compiled geographic information binary file into corresponding equipment for on-site joint debugging joint test simulation confirmation;
in order to obtain the coordinates of the GNSS blind spot, a total station is usually combined with an RTK, that is, at least two positions with better GNSS observation conditions are selected near the total station, the coordinates are measured by an RTK method to be used as known points, then the total station is erected on one of the known points which are in sight with the GNSS blind spot, the other known point is aimed for orientation, and finally the coordinates of the GNSS blind spot are measured by a polar coordinate method;
let GNSS blind spot coordinate be (x, y, h), there are n aiding points around it, and any aiding point coordinate is marked as (x)i，yi，hi) (i ═ 1,2,3, …, n), the height of the laser rangefinder to a known point is recorded as
Right above the GNSS blind spot
At an oblique distance of
Then there are: si＝√(x-xi)2+(y-yi)2+(h+Δhi-hi-ΔHi)2, (1)
The formula (1) is a ternary quadratic equation, and the three-dimensional coordinates of more than 3 auxiliary points and the slope distance between the auxiliary points and the GNSS blind point are required to be known for solving; when only 3 auxiliary points exist, two groups of coordinates meeting the requirements can be solved generally, and at the moment, screening can be carried out according to the approximate elevation of the GNSS blind spot, but the determination of the approximate elevation is not easy; the three-dimensional coordinates of the GNSS blind spot can be uniquely determined by utilizing the point number arranging rule, but the essence of the method is that the position relation between the GNSS blind spot and a plane formed by 3 auxiliary points is required to be known, and the relation is difficult to judge in the actual measurement. More than 3 assistance points may be used to determine the GNSS.
The invention has the beneficial effects that: according to the invention, through designing the rotary acquisition disc, the remote wireless control and the storage battery, the device can be prevented from being exposed to water, rain, dust and the like, so that a worker can adjust the device at a distance, time and labor are saved, and dangerous accidents caused by the worker working in severe weather are avoided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a block diagram of the system of the present invention.
1-rotating a collection tray; 2-a push rod; 3-rotating the control box; 4-control the bottom plate; 5-a geographic information control panel; 6-fixing the chassis;
Detailed Description
The following further describes the implementation of the invention with reference to the drawings.
As shown in fig. 1, a geographic information acquisition device comprises a rotary acquisition disk 1, a push rod 2, a rotary control box 3, a control bottom plate 4, a geographic information control plate 5 and a fixed chassis 6; the lower end of the rotary acquisition disc 1 is connected with a rotatable push rod 2, the lower end of the push rod 2 is fixed on a rotary control box 3, the rotary control box 3 is fixed on a control bottom plate 4, a geographic information control plate 5 is arranged in the control bottom plate 4, and four corners of the lower end of the control bottom plate 4 are provided with fixed chassis 6; a rotating motor, a motor driver and a motor controller are arranged in the rotating control box 3; the rotating motor, the motor driver and the motor controller are connected in sequence; the rotating motor can drive the push rod 2 to rotate, and further drive the rotating collecting disc 1 to rotate; the rotary acquisition disk 1 is provided with a humidity sensor, a temperature sensor, a laser ranging sensor, a GPS module and a camera; the geographic information control panel 5 in the control bottom plate 4 comprises a LoRa module, a data acquisition processor, a controller, a memory and a geographic information server; the LoRa module comprises a data sending and receiving module; the controller module is connected with the LoRa concentrator through a wireless network, and the GPRS module is connected with the remote main server through the Ethernet; the data acquisition module comprises a sensor group, a conditioning circuit and an A/D converter.
Initializing the hardware on the equipment, sending an equipment identification message to the server, setting a timed interrupt after a response is obtained, and entering a sleep mode; timed wake-up closes the interrupt. Inquiring whether GPRS receives data of the server or not through an AT instruction; and if the server data is received, entering a message processing cycle. Firstly, analyzing server data, judging whether an acquisition instruction is sent to a terminal, if so, sending an acquisition message to an LoRa terminal, waiting for and receiving a feedback message of the terminal, performing data format conversion on the received message, and uploading the converted message to the server through GPRS; on the contrary, the server executes the control instruction of the equipment to the terminal, and performs corresponding operation on the equipment according to the requirement; and if the message is not received, returning to the state of re-entering the interrupt, and waiting to be awakened by the timer.
The server comprises a central processing unit, a power supply, an operating system, data, an application program, a storage medium, a memory, a wired or wireless network interface and a data input and output interface; the power supply supplies power to the central processing unit, the operating system, the data, the application program, the storage medium, the memory, the wired or wireless network interface and the data input and output interface; the central processing unit is internally provided with an operating system, data, an application program, a storage medium and a memory; the CPU is externally provided with a wired or wireless network interface and a data input/output interface.
The base station is internally provided with a processor, a memory, a receiver and a transmitter; the processor, memory, receiver and transmitter are connected by a can bus.
The geographic information control board 5 performs the following processes:
forward compiling: the method comprises the following steps of 1, storing a geographic information basic data table, a track geographic information engineering data table, a track geographic information binary file, wherein the basic data table is a whole geographic data table designed and measured by a survey design unit, the engineering data table is a plurality of data tables obtained by dividing, sorting and checking basic data according to the administration area of ground equipment of a train control system, and the binary file is a binary data file for storing the engineering data table according to a specified data structure format;
data verification: verifying each link of forward programming, and carrying out logic validity check on the program data table to ensure the validity of the program data table; analyzing the binary file to obtain analyzed engineering data, and checking the engineering data with the engineering data in the forward compiling process to ensure the consistency of the two; then, the analysis data and the basic data are checked to ensure that the analysis data covers the whole geographic information and the integrity of the binary file is ensured;
data confirmation: configuring the compiled geographic information binary file into corresponding equipment for on-site joint debugging joint test simulation confirmation;
in order to obtain the coordinates of the GNSS blind spot, a total station is usually combined with an RTK, that is, at least two positions with better GNSS observation conditions are selected near the total station, the coordinates are measured by an RTK method to be used as known points, then the total station is erected on one of the known points which are in sight with the GNSS blind spot, the other known point is aimed for orientation, and finally the coordinates of the GNSS blind spot are measured by a polar coordinate method;
let GNSS blind spot coordinate be (x, y, h), there are n aiding points around it, and any aiding point coordinate is marked as (x)i，yi，hi) (i ═ 1,2,3, …, n), the height of the laser rangefinder to a known point is recorded as
Right above the GNSS blind spot
At an oblique distance of
Then there are: si＝√(x-xi)2+(y-yi)2+(h+Δhi-hi-ΔHi)2, (1)
The formula (1) is a ternary quadratic equation, and the three-dimensional coordinates of more than 3 auxiliary points and the slope distance between the auxiliary points and the GNSS blind point are required to be known for solving; when only 3 auxiliary points exist, two groups of coordinates meeting the requirements can be solved generally, and at the moment, screening can be carried out according to the approximate elevation of the GNSS blind spot, but the determination of the approximate elevation is not easy; the three-dimensional coordinates of the GNSS blind spot can be uniquely determined by utilizing the point number arranging rule, but the essence of the method is that the position relation between the GNSS blind spot and a plane formed by 3 auxiliary points is required to be known, and the relation is difficult to judge in the actual measurement. More than 3 assistance points may be used to determine the GNSS.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. The geographic information acquisition device is characterized by comprising a rotary acquisition disc (1), a push rod (2), a rotary control box (3), a control bottom plate (4), a geographic information control plate (5) and a fixed chassis (6);
the lower end of the rotary collecting disc (1) is connected with a rotatable push rod (2), the lower end of the push rod (2) is fixed on a rotary control box (3), the rotary control box (3) is fixed on a control bottom plate (4), a geographic information control plate (5) is arranged in the control bottom plate (4), and four corners of the lower end of the control bottom plate (4) are provided with fixed chassis (6); a rotating motor, a motor driver and a motor controller are arranged in the rotating control box (3); the rotating motor, the motor driver and the motor controller are connected in sequence; the rotating motor can drive the push rod (2) to rotate, and further drive the rotating collecting disc (1) to rotate; the rotary acquisition disc (1) is provided with a humidity sensor, a temperature sensor, a laser ranging sensor, a GPS module and a camera; the geographic information control board (5) in the control bottom board (4) comprises a LoRa module, a data acquisition processor, a controller, a memory and a geographic information server; the LoRa module comprises a data sending and receiving module; the controller module is connected with the LoRa concentrator through a wireless network, and the GPRS module is connected with the remote main server through the Ethernet; the data acquisition module comprises a sensor group, a conditioning circuit and an A/D converter.
2. A geographic information collection device as recited in claim 1, wherein the device is powered on for hardware initialization, sends a device identification message to the server, sets a timer interrupt after a response is received, and enters a sleep mode; timed wake-up closes the interrupt. Inquiring whether GPRS receives data of the server or not through an AT instruction; and if the server data is received, entering a message processing cycle. Firstly, analyzing server data, judging whether an acquisition instruction is sent to a terminal, if so, sending an acquisition message to an LoRa terminal, waiting for and receiving a feedback message of the terminal, performing data format conversion on the received message, and uploading the converted message to the server through GPRS; on the contrary, the server executes the control instruction of the equipment to the terminal, and performs corresponding operation on the equipment according to the requirement; and if the message is not received, returning to the state of re-entering the interrupt, and waiting to be awakened by the timer.
3. A geographical information acquisition device according to claim 1, wherein the server comprises a central processing unit, a power supply, an operating system, data, an application program, a storage medium, a memory, a wired or wireless network interface, a data input output interface; the power supply supplies power to the central processing unit, the operating system, the data, the application program, the storage medium, the memory, the wired or wireless network interface and the data input and output interface; the central processing unit is internally provided with an operating system, data, an application program, a storage medium and a memory; the CPU is externally provided with a wired or wireless network interface and a data input/output interface.
4. A geographic information collection device as recited in claim 1, further comprising a base station, wherein the base station is internally provided with a processor, a memory, a receiver and a transmitter; the processor, memory, receiver and transmitter are connected by a can bus.
5. A geographical information acquisition device according to claim 1, characterized in that the geographical information control board (5) performs the following processes:
forward compiling: the method comprises the following steps of 1, storing a geographic information basic data table, a track geographic information engineering data table, a track geographic information binary file, wherein the basic data table is a whole geographic data table designed and measured by a survey design unit, the engineering data table is a plurality of data tables obtained by dividing, sorting and checking basic data according to the administration area of ground equipment of a train control system, and the binary file is a binary data file for storing the engineering data table according to a specified data structure format;
data verification: verifying each link of forward programming, and carrying out logic validity check on the program data table to ensure the validity of the program data table; analyzing the binary file to obtain analyzed engineering data, and checking the engineering data with the engineering data in the forward compiling process to ensure the consistency of the two; then, the analysis data and the basic data are checked to ensure that the analysis data covers the whole geographic information and the integrity of the binary file is ensured;
data confirmation: configuring the compiled geographic information binary file into corresponding equipment for on-site joint debugging joint test simulation confirmation;
in order to obtain the coordinates of the GNSS blind spot, a total station is usually combined with an RTK, that is, at least two positions with better GNSS observation conditions are selected near the total station, the coordinates are measured by an RTK method to be used as known points, then the total station is erected on one of the known points which are in sight with the GNSS blind spot, the other known point is aimed for orientation, and finally the coordinates of the GNSS blind spot are measured by a polar coordinate method;
let GNSS blind spot coordinates be (x, y, h), n auxiliary points are around the GNSS blind spot coordinates, coordinates of any auxiliary point are denoted as (xi, yi, hi) (i ═ 1,2,3, …, n), and height of the laser range finder to a known point is denoted as (xi, yi, hi) (i ═ 1,2,3, …, n)
Right above the GNSS blind spot
At an oblique distance of
Then there are: si ═ v (x-xi)2+ (y-yi)2+ (h + Δ Hi-Hi- Δ Hi)2, (1)
The formula (1) is a ternary quadratic equation, and the three-dimensional coordinates of more than 3 auxiliary points and the slope distance between the auxiliary points and the GNSS blind point are required to be known for solving; when only 3 auxiliary points exist, two groups of coordinates meeting the requirements can be solved generally, and at the moment, screening can be carried out according to the approximate elevation of the GNSS blind spot, but the determination of the approximate elevation is not easy; the three-dimensional coordinates of the GNSS blind spot can be uniquely determined by utilizing the point number arranging rule, but the essence of the method is that the position relation between the GNSS blind spot and a plane formed by 3 auxiliary points is required to be known, and the relation is difficult to judge in the actual measurement. More than 3 assistance points may be used to determine the GNSS.
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| CN202011379724.3A CN112487121A (en) | 2020-11-30 | 2020-11-30 | Geographic information collection system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728680A (en) * | 2017-09-11 | 2018-02-23 | 江苏大学 | A kind of remote pig house environment multiparameter measurement and control system and its method based on LoRa |
| CN111897901A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Train control system track geographic information acquisition and processing method |
| CN212004978U (en) * | 2020-03-21 | 2020-11-24 | 王宁 | Geographic information collection system |
-
2020
- 2020-11-30 CN CN202011379724.3A patent/CN112487121A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728680A (en) * | 2017-09-11 | 2018-02-23 | 江苏大学 | A kind of remote pig house environment multiparameter measurement and control system and its method based on LoRa |
| CN212004978U (en) * | 2020-03-21 | 2020-11-24 | 王宁 | Geographic information collection system |
| CN111897901A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Train control system track geographic information acquisition and processing method |
Non-Patent Citations (1)
| Title |
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| 方田野 等: "一种GNSS非接触式地理信息采集方法与装置", 《华中师范大学学报（自然科学版）》 * |
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Application publication date: 20210312 |