CN209689554U - A kind of block area measuring device based on Beidou positioning - Google Patents
A kind of block area measuring device based on Beidou positioning Download PDFInfo
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- CN209689554U CN209689554U CN201920199391.2U CN201920199391U CN209689554U CN 209689554 U CN209689554 U CN 209689554U CN 201920199391 U CN201920199391 U CN 201920199391U CN 209689554 U CN209689554 U CN 209689554U
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Abstract
The utility model discloses a kind of block area measuring devices based on Beidou positioning, including Beidou signal receiving module, one-chip computer module, interactive touch panel module and power module；Beidou signal receiving module is used to receive the information of big-dipper satellite transmission；Power interface of the power module by voltage transformation module for Beidou signal receiving module, single-chip microcontroller, voice broadcast module provides burning voltage；Interactive touch-screen real-time display current coordinate point, can by screen correct there are the coordinate points of obvious errors, under valuation model by interactive touch-screen input operation unit price valuate；The longitude and latitude data of single-chip microcontroller real-time reception Beidou signal receiving module transmission are simultaneously filtered, obtain accurate longitude and latitude data, when area measurement, result is directly output in interactive touch-screen and shows by single-chip microcontroller, when valuation model, in addition to showing measurement area, the monovalent information of screen input is received, valuates result on the screen multiplied by showing after area.
Description
Technical field
The utility model belongs to agricultural technology field, is related to a kind of area measurement instrument, a kind of based on Beidou specifically for being related to
The block area measuring device of positioning.
Background technique
In operation on various plot, working area is all a kind of data of key.Such as green coverage measurement, lawn dimension
Shield valuation, farmland working area measurement valuation etc. are used generally according to empirical data rough estimate, or manually under normal circumstances
Meter ruler manual measurement calculates.But in the case where plot is in irregular shape or data precision is more demanding, manual measurement takes
When it is laborious and be relatively inaccessible to permissible accuracy.
Common area measuring device on the market at present, area measurement and valuation of the function primarily directed to farmland.Than
Such as, the patent of invention of disclosed CN101672639A is authorized to disclose one kind based on GPS farmland working area on March 17th, 2010
Measuring system and measurement method hold around measurement area one week, according to GPS positioning coordinate points reference area and show, this side
Method has been widely used for area measurement field at present.Based on the method, operating efficiency, in May, 2014 are improved to save the time
The patent of invention of CN103791879A disclosed in 14 days discloses a kind of area measurement method based on GPS area measurement instrument, will
Hand-held GPS area measurement instrument is hinged on harvester by telescopic rod, and harvester first lap is gathered in along farmland edge, in operation
While measure farmland area, save the time of hand-held measurement, but this method flexibility is inadequate, is encountering obstacle or side
When edge can not irregularly walk according to edge, hand-held measurement is still needed to.
As reaching its maturity for the autonomous Beidou satellite alignment system in China is perfect, have been able to provide in the Asian-Pacific area real
When the navigator fixs information such as longitude and latitude, elevation, precision is suitable with GPS, because the locating measurement method based on Beidou is also gradually answered
Used in the various aspects of satellite positioning navigation.On December 21st, 2016 invention disclosed patent CN106248040A patent of invention just
A kind of farmland area measuring device based on beidou GPS dual mode positioning is disclosed, single GPS is avoided using the method that bimodulus positions
Positioning system situation easily affected by environment.But Beidou satellite alignment system is still the auxiliary as GPS system and exists
, few area measurement instruments fully rely on Beidou satellite alignment system realization on the market at present.
Utility model content
The purpose of the present invention is to provide a kind of block area measuring devices based on Beidou positioning, position by Beidou real
The accurate positioning of existing plot marginal position point, and areal calculation is carried out by positioning result, it is provided simultaneously with the function of meter.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of block area measuring device (as shown in Figure 1) based on Beidou positioning, composition include that Beidou signal receives mould
Block, one-chip computer module, voice broadcast module, interactive touch panel module and power module；The single-chip microcontroller respectively with Beidou
Signal receiving module, voice broadcast module, interactive touch panel module are connected；
The Beidou signal receiving module is made of Beidou built-in antenna, Beidou signal receiving module and peripheral circuit；
The power module is Beidou signal receiving module, single-chip microcontroller, voice broadcast mould by voltage transformation module by storage battery power supply
The power interface of block provides burning voltage；The interactive touch-screen real-time display current coordinate point can be corrected by screen and be deposited
In the coordinate points of obvious errors, operation unit price is inputted by interactive touch-screen under valuation model and is valuated；The voice
Broadcasting module prompts to change when front direction when direction of travel changes, and broadcasts area measurement automatically at the end of measurement
As a result and valuation result；The longitude and latitude data that the single-chip microcontroller real-time reception Beidou signal receiving module is sent carry out further
Filtering processing removal abnormal point, obtains accurate longitude and latitude data, and when area measurement, result is directly output to interactive mode
Screen display is touched, when valuation model, in addition to measurement area is broadcasted in display, single-chip microcontroller receives the monovalent information of screen input, multiplies
To show valuation result after area on the screen, and voice broadcast is carried out by voice broadcast module.
It is equipped with key outside device, controls power switch, selects measurement pattern.
As the further explanation of the utility model, the power module includes battery, voltage transformation module, passes through institute
Voltage transformation module conversion output given voltage is stated, output voltage is connected to Beidou signal receiving module, single-chip microcontroller, voice and is broadcast
Report the power interface of module.
As the further explanation of the utility model, the external key is connect with single-chip I/O mouth, realizes the control of power supply
The selection of system and measurement pattern.
As the further explanation of the utility model, the interactive touch-screen uses LCD display unit, by described
LCD display unit inputs parameter and instruction.
As the further explanation of the utility model, the single-chip microcontroller uses STM32F407, and chip is connected with touch screen drive
Dynamic device, driver are connected to interactive touch-screen.
As the further explanation of the utility model, the voice broadcast module includes voice module and loudspeaker, described
Voice module is connect by I/O port with single-chip microcontroller, controls output voice prompting by single-chip microcontroller.
As the further explanation of the utility model, the measurement pattern include automatic/hand area measurement mode and
Valuation model, under area measurement mode, LCD screen display area measurement result under valuation model, is inputted corresponding by LCD screen
Unit price is calculated multiplied by measurement area.
As the further explanation of the utility model, the area measurement mode is divided into automatic measurement and manual measurement, when
Select automatic measurement to carry out consecutive tracking measurement when plot is in irregular shape, draws it is block-shaped, it is local it is block-shaped be rule shape
It can choose manual measurement when shape, each inflection point carries out one-point measurement in plot, improves measurement efficiency.
As the further explanation of the utility model, when automatic measurement, when the direction of coordinate points occur it is bright greater than 45 degree
Aobvious the single-chip microcontroller is changed by the current direction of travel of the voice module casting prompt when changing, and by changing coordinates
Point highlights display with red dot in the interactive touch-screen, if actual direction does not change, by manually leading to
Cross the interactive touch-screen manual correction point.
As the further explanation of the utility model, in measurement process, passes through and compare real-time travel track and interactive touching
The path for touching coordinate points and real-time rendering on screen chooses coordinate points by touch screen when obvious offset occurs for track, when
When coordinate points are highlighted, which can be modified, and by translating the coordinate points up and down, correct the point, path when mobile
Adjustment in real time clicks the amendment of screen blank space confirmation coordinate points until meeting practical travel track.In traveling process and survey
Amount can correct run trace by moving coordinate point when completing.
The block area measuring principle of above-mentioned measuring device is as follows:
After selected starting point, starter starts to measure, and advances along plot edge, and in traveling process, single-chip microcontroller is continuous
Positioning signal is received, after the corresponding coordinate points of abnormal longitude and latitude data are rejected, displaing coordinate point on the screen, and will survey
Fixed coordinate points connection is depicted as line.
When direction changes in traveling process, single-chip microcontroller is received after signal determines coordinate points, can pass through voice immediately
Broadcasting module is prompted, can timely manual correction if actual direction of travel does not change.
In traveling process when obvious offset occurs for the coordinate points and practical travelling route that show on screen, it can temporarily cease
It advances, the coordinate points of mobile offset are until meeting actual path route manually；As shown in Fig. 2, (a) indicates the rail before artificial correction
Mark figure (b) indicates revised trace graphics.
After being measured, closed trajectory figure is formed, when the figure of trajectory diagram and actual measurement plot has obvious discrepancy, this
When by the coordinate on mobile screen come correction pattern.
Under area measurement mode, after trace graphics are completed, block area is calculated automatically, and intuitive measurement results are shown
Show in interactive touch-screen, while voice broadcast current area measurement result.
After the completion of area measurement, if there is valuation needs, valuation model is clicked, passes through touch screen control cursor output unit price
It is calculated, the valuation of screen real-time display is as a result, simultaneously voice broadcast.
The utility model provides a kind of block area measuring device based on big-dipper satellite positioning, the measuring device purposes
Extensively, it can be applied not only to farmland working area measurement, cell, park irrigation area, construction area can also be applied to and surveyed
Amount and various area measurements, the area measurement in especially various irregular plot.
The utility model discloses a kind of block area measuring device based on big-dipper satellite positioning, described device has function
Can have: can real-time display present satellites search star number and signal strength；The device is held to surround to geodesic block one week, continuously not
Voice prompting and in interactive mode when apparent direction changes occurs for the intermittent coordinate point location to traveling process, positioning coordinate
The red point of touch screen subscript, while apparent deviation coordinate points can be manually adjusted to suitable position manually；Plot arbitrary shape
After the completion, single chip control unit exports area automatically and broadcasts, trace graphics and it is practical inconsistent when can be by manually adjusting
The mode of coordinate points corrects coordinate points and repaints trace graphics；Unit price can be inputted in interactive touch-screen, realize meter
Function.
The utility model has the beneficial effects that
1, the block area measuring device that should be positioned based on Beidou has been given full play to Beidou and has been defended using Beidou location-independent
Effect of the star in agriculture field；Positioning coordinate points, travel track and plot shape can be intuitively shown by interactive touch-screen
Shape, coordinate points can manual corrections；Voice broadcast module prompt when traveling course bearing deflects, can effectively avoid coarse mistake
Difference reduces area measurement error.
2, the utility model uses the Beidou satellite alignment system of China's independent research, has complete intellectual property, energy
Enough long-time effective and safe positioning, it is smaller by natural environment influence, while guaranteeing precision, the safety of system, reliability
It is improved.
3, the utility model can cope with various exterior area measurement needs, including farmland working area measurement, cell, public affairs
Garden green coverage measurement etc., has a wide range of application.
4, the utility model is easy to operate, and booting is used, and without complicated manual operation, only needs hand-held device around measurement ground
Block one week, measurement can be completed, the requested knowledge unprofessional to operator facilitates the needs of various survey crews.
5, the utility model composed structure is simple, can work independently without any external equipment using storage battery power supply.
Detailed description of the invention
Fig. 1 is the block area measuring device composition block diagram that the utility model is positioned based on big-dipper satellite
Fig. 2 is the utility model manual modification coordinate effect diagram；
(a) trace graphics (b) before indicating artificial correction indicate revised trace graphics
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
Block area measuring device described in the utility model based on big-dipper satellite positioning, including Beidou signal receive mould
Block, single-chip microcontroller, interactive touch-screen, external key, voice broadcast module and power module etc..Beidou signal receiving module receives
Big Dipper satellite signal；Single-chip microcontroller uses STM32F407, is based on ARM Cortex M4 kernel, has Peripheral Interface abundant, main
Frequency reaches 168MHz, can handle a large amount of data rapidly, carries out complex calculation, meets the device to mass data processing and real
The requirement of when property；Interactive touch-screen shows measurement result, and receives external touch input signal；External key is according to practical survey
Amount needs to select measurement pattern；Voice broadcast module broadcasts measurement result automatically, and turning point is prompted in measurement process；Power supply
Module uses 24v storage battery power supply, exports 12v by voltage transformation module pressure stabilizing, 5v voltage connects for single-chip microcontroller, Beidou signal
Receive the power supply such as module；
The Beidou signal receiving module is directly connect with single-chip microcontroller STM32F407, acquires the positioning number of real-time measurement point
According to.
The interactive touch-screen is directly connect with single-chip microcontroller STM32F407, receives the result data that single-chip microcontroller is sent, and
It shows real-time coordinates point and edge track, when there is the input of external touch signal, transfers signals to single-chip microcontroller identifying processing.
The external key is directly connected with single-chip microcontroller, and keys of single chip microcomputer input signal determines measurement pattern.
The voice broadcast module is directly connect with single-chip microcontroller STM32F407, is mentioned for carrying out correlation in measurement process
Show, broadcasts measurement result after being measured.
External key selects automatic measurement mode, for determining that measurement plot starting point requires selection point of interface, i.e. plot
The point that edge direction changes, convenient for measurement.
The block area measuring principle of the utility model is as follows:
After selected starting point, starter starts to measure, and advances along plot edge, and in traveling process, single-chip microcontroller is continuous
Positioning signal is received, on the screen displaing coordinate point, and coordinate points connection after measured is depicted as line.
When direction changes in traveling process, single-chip microcontroller is received after signal determines coordinate points, can pass through voice immediately
Broadcasting module is prompted, can timely manual correction if actual direction of travel does not change.
In traveling process when obvious offset occurs for the coordinate points and practical travelling route that show on screen, it can temporarily cease
It advances, the coordinate points of mobile offset are until meeting actual path route manually.
After being measured, closed trajectory figure is formed, when the figure of trajectory diagram and actual measurement plot has obvious discrepancy, this
When by the coordinate on mobile screen come correction pattern.
Under area measurement mode, after trace graphics are completed, intuitive measurement results are shown in interactive touch automatically
On screen, while voice broadcast current area measurement result.
After the completion of area measurement, if there is valuation needs, valuation model is clicked, passes through touch screen control cursor output unit price
It is calculated, the valuation of screen real-time display is as a result, simultaneously voice broadcast.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of block area measuring device based on Beidou positioning characterized by comprising Beidou signal receiving module, list
Piece machine module, interactive touch panel module and power module；The single-chip microcontroller respectively with Beidou signal receiving module, interactive mode
Touch screen module is connected；
The Beidou signal receiving module is used to receive the information of big-dipper satellite transmission；The power module passes through voltage modulus of conversion
Block is Beidou signal receiving module, the power interface of single-chip microcontroller, voice broadcast module exports burning voltage；The interactive touch
Shield real-time display current coordinate point, can by screen correct there are the coordinate points of obvious errors, pass through interaction under valuation model
Formula touch screen input operation unit price is valuated；The longitude and latitude degree that the single-chip microcontroller real-time reception Beidou signal receiving module is sent
According to being filtered, accurate longitude and latitude data are obtained, when area measurement, result is directly output to interaction by single-chip microcontroller
Formula touches screen display, and when valuation model, single-chip microcontroller shows measurement area in addition to control, and single-chip microcontroller receives the unit price of screen input
Information valuates result on the screen multiplied by showing after area.
2. a kind of block area measuring device based on Beidou positioning according to claim 1, which is characterized in that also wrap
Include: voice broadcast module, the voice broadcast module prompt to change when front direction when direction of travel changes, survey
Automatically area measurement and valuation result are broadcasted at the end of amount.
3. a kind of block area measuring device based on Beidou positioning according to claim 1, which is characterized in that the dress
It sets outside and is equipped with key, the key can control power switch and selection measurement pattern.
4. a kind of block area measuring device based on Beidou positioning according to claim 3, which is characterized in that the survey
Amount mode includes automatic area measurement mode, manual area measurement mode and valuation model, in automatic or manual area measurement mould
Under formula, area measurement is directly displayed, under valuation model, corresponding unit price is inputted by screen and is counted multiplied by measurement area
It calculates.
5. a kind of block area measuring device based on Beidou positioning according to claim 4, which is characterized in that automatic top
When product measurement, when the direction of coordinate points occurs to be greater than 45 degree when substantially changeing, the single-chip microcontroller is mentioned by voice module casting
Show that current direction of travel changes, and current coordinate point is highlighted into display with red dot in the interactive touch-screen, if
Actual direction does not change, then by manually passing through the interactive touch-screen manual correction point.
6. a kind of block area measuring device based on Beidou positioning according to claim 1, which is characterized in that the friendship
Mutual formula touch screen uses LCD display unit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883321A (en) * | 2019-02-15 | 2019-06-14 | 江苏大学 | A kind of block area measuring device and method based on Beidou positioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883321A (en) * | 2019-02-15 | 2019-06-14 | 江苏大学 | A kind of block area measuring device and method based on Beidou positioning |
| CN109883321B (en) * | 2019-02-15 | 2024-01-05 | 江苏大学 | Land parcel area measurement device and method based on Beidou positioning |
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