CN209044150U - Total station automatic focusing device - Google Patents
Total station automatic focusing device Download PDFInfo
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- CN209044150U CN209044150U CN201821974678.XU CN201821974678U CN209044150U CN 209044150 U CN209044150 U CN 209044150U CN 201821974678 U CN201821974678 U CN 201821974678U CN 209044150 U CN209044150 U CN 209044150U
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- fuzziness
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Abstract
The utility model belongs to technical field of mapping, aiming at the problem that being easy to appear error when artificially adjustment object lens, eyepiece focal length in the prior art, propose total station automatic focusing device, including eyepiece focusing spiral, object lens focusing screw, image processing system and display screen；Eyepiece focusing spiral is connected with first motor, and object lens focusing screw is connected with the second motor, and image processing system includes acquisition module, fuzziness judgment module, picture recognition module, memory module and control module；Conventional images information is sent to fuzziness judgment module for acquiring the image showed in eyepiece by acquisition module；Conventional images information is carried out fuzziness judge with the standard picture information prestored by fuzziness judgment module, obtain fuzziness data, and the rotation of first motor and the second motor is controlled according to the size of fuzziness data, to adjust the focal length of eyepiece and object lens, realize automatic focusing function.
Description
Technical field
The utility model belongs to mapping instrument technology field, and in particular to total station automatic focusing device.
Background technique
Total station, i.e. whole station type electronic distance meter (Electronic Total Station) are that a kind of collection is light, mechanical, electrical
The high-tech measuring instrument being integrated is to integrate horizontal angle, vertical angle, distance (oblique distance, flat away from), vertical survey function
Instrument of surveying and mapping system.Compared with micrometer instrument, total station uses optoelectronic scanning scale and replaces optical circle, and realizing will be old
Somebody's work optics micrometer reading changes into novel automatically record and reality reading.Because its primary placement instrument is somebody's turn to do with regard to achievable
Work is all measured on survey station, so referred to as total station.It is accurate to be widely used in ground heavy construction and construction of underground tunnel etc.
Engineering survey or deformation monitoring field.
Existing total station, generally include the telescope objective group being placed on same collimation axis, focusing lens, Amici prism,
Eyepiece group, built-in display screen and ccd detector, telescope objective group include object lens and object lens focusing screw, and eyepiece group includes mesh
Mirror and eyepiece focusing spiral, built-in display screen are transmission display panel or LED display.In this electronic level in use,
Artificial adjustment image sharpness is usually required, i.e., artificially adjusts the focal length of object lens, eyepiece, and if artificially adjusting, it is easy to go out
Existing error.
Utility model content
The utility model provides total station automatic focusing device, solves in the prior art artificially adjustment object lens, eyepiece
The problem of error is easy to appear when focal length.
Base case are as follows: total station automatic focusing device, including eyepiece focusing spiral, object lens focusing screw, image procossing
System and display screen；Eyepiece focusing spiral is connected with first motor, and object lens focusing screw is connected with the second motor, image procossing system
System includes acquisition module, fuzziness judgment module, picture recognition module, memory module and control module；
Acquisition module is located at eyepiece far from object lens side, for acquiring the image showed in eyepiece, and will be existing
Image information is sent to fuzziness judgment module；
Memory module is for storing preset first standard value range and the second standard value；
Fuzziness judgment module is used to conventional images information carrying out fuzziness judge with the standard picture information prestored, obtains
To fuzziness data；If fuzziness data are greater than the second standard value, fuzziness judgment module passes through control module control second
Electric motor starting；If fuzziness data belong to the first standard value range, fuzziness judgment module controls image by control module
Identification module identifies crosshair and image, and as display screen show obtained by read；If fuzziness data are not belonging to
First standard value range and be less than or equal to the second standard value, then fuzziness judgment module controls first motor by control module
Starting.
The principle of base case and have the beneficial effect that the first standard value range represents image processing system in this programme
Picture recognition module can identify that the clarity range of image, the second standard value are that staff pre-establishes.
In the present solution, carrying out fuzziness judgement to the image in eyepiece by fuzziness judgment module first, work as fuzziness
When can identify the clarity range of image more than picture recognition module, first motor, the second motor are started by control module,
To rotate eyepiece focusing spiral and object lens focusing screw, so as to adjust the focal length of eyepiece and object lens, the mistake of automatic focusing is completed
Journey.
In the present solution, fuzziness data are more than the second standard value, objective focal length is adjusted, fuzziness data are lower than the second standard
It is worth and is not belonging to the first standard value range, adjusts eyepiece focal length, meet basic operation specification.
In the present solution, that is, fuzziness data belong to the first standard value range, and fuzziness judgment module is certainly after the completion of focusing
It is dynamic that picture recognition module is allowed to identify the image of crosshair and ruler with a scale, to obtain graduated scale pointed by crosshair
Data are read, and are shown by display screen.It is read again after the completion of focusing, avoid manually reading misreads,
Improve the accuracy rate of reading.
It further, further include input unit, for inputting the first standard value range.
In the present solution, by input unit, it is artificial to input the first standard value range, convenient for user according to specific clarity need
Seek adjustment fuzziness range.
Further, when first motor rotates in the forward direction, fuzziness judgment module successively carries out multiple fuzziness judgement, works as mould
When paste degree becomes larger according to representative fuzziness, fuzziness judgment module controls first motor by control module and reversely revolves
Turn.
In the present solution, rotating in the forward direction opposite with when reversely rotating, i.e., it ought rotate in the forward direction to represent and rotate clockwise, then instead
It is exactly rotation counterclockwise to rotation.Judged in this programme by fuzziness, so as to adjust the direction of rotation of motor, to change mesh
Mirror Focussing is gradually to amplify or be gradually reduced, and is more conducive to the Adjusting accuracy of eyepiece focal length.
Further, when the second motor rotates in the forward direction, fuzziness judgment module successively carries out multiple fuzziness judgement, works as mould
When paste degree becomes larger according to representative fuzziness, fuzziness judgment module controls the second machine by control module and reversely revolves
Turn.
In the present solution, rotating in the forward direction opposite with when reversely rotating, i.e., it ought rotate in the forward direction to represent and rotate clockwise, then instead
It is exactly rotation counterclockwise to rotation.Judged in this programme by fuzziness, so as to adjust the direction of rotation of motor, to change object
Mirror Focussing is gradually to amplify or be gradually reduced, and is more conducive to the Adjusting accuracy of objective focal length.
Further, the display screen is transparent built-in display screen.
In the present solution, built-in display screen is selected, so that staff reads the external world without converting sight through after total station
Display screen reading, improve the working efficiency of staff, meanwhile, built-in display screen is transparent to also ensure that staff penetrates
Eyepiece, object lens view extraneous scene.
Detailed description of the invention
Fig. 1 is the module diagram of the utility model total station automatic focusing device embodiment.
Specific embodiment
Below by the further details of explanation of specific embodiment:
The total station automatic focusing device of this programme, as shown in Figure 1, including eyepiece focusing spiral, object lens focusing screw, figure
As processing system, display screen and input unit.
Eyepiece focusing spiral is for adjusting eyepiece focal length, which axially connects the output of first motor
The output shaft of axis, first motor can be with bidirectional rotation；Object lens focusing screw is the object lens tune for adjusting objective focal length
Burnt spiral axially connects the output shaft of the second motor, and the output shaft of the second motor can be with bidirectional rotation.
Display screen uses transparent built-in display screen, and crosshair is portrayed in the center of display screen, is convenient for display screen
It focuses with extraneous graduated scale.
Input unit uses numeric keypad, by input unit can input the first standard value range end numerical, the
The numerical value of two standard values.
Image processing system includes acquisition module, fuzziness judgment module, picture recognition module, memory module and control mould
Block；Wherein, acquisition module uses miniature webcam, which is arranged in eyepiece far from object lens side, for acquiring mesh
The image showed in mirror, and conventional images information is sent to fuzziness judgment module.
Memory module uses 24C16 memory chip, is connect by data line with input unit signal, for storing first
Standard value range, the second standard value and the standard picture information prestored；Object lens focusing screw can be considered as whole coke in this programme
Away from coarse adjustment knob, eyepiece focusing spiral can be considered as the fine adjustment knob of whole focal length, and the second standard value refers to eyepiece focal length tune
Whole minimum, the first standard value range refer to fuzziness requirement when picture recognition module carries out image recognition.
Picture recognition module uses existing image recognition technology, for identifying image according to crosshair on display screen
In corresponding scale numerical value.
Fuzziness judgment module uses fuzzy pictures degree algorithm in the prior art, by acquisition module institute acquired image
Information carries out fuzziness judge with the standard picture information prestored, obtains fuzziness data；Meanwhile is recalled from memory module
One standard value range and the second standard value carry out following judgement: if fuzziness data are greater than the second standard value, fuzziness judgement
Module controls the second electric motor starting by control module；If fuzziness data belong to the first standard value range, fuzziness judgement
Module controls picture recognition module by control module and crosshair and image with a scale is identified and read, and passes through
Display screen shows gained reading；If fuzziness data are not belonging to the first standard value range and are less than or equal to the second standard value,
Then fuzziness judgment module controls first motor starting by control module.
Therefore, the total station automatic focusing device of this programme, before use, graduated scale is suspended on target position, then
Change total station angle, so that the crosshair on display screen is overlapped with the scale part of graduated scale；
When in use, after acquisition module acquisition eyepiece the case where image, and by collected conventional images information, pass through number
Fuzziness judgment module is sent to according to line；Fuzziness judgment module utilizes picture with reference to the standard picture prestored in memory module
Fuzziness algorithm obtains the fuzziness data of conventional images information.Here, the fuzziness of fuzziness judgment module reference is to use
Graduated scale dependent picture, it is unrelated with the background of graduated scale present position.
Fuzziness judgment module is after obtaining fuzziness data, the first mark for will storing in fuzziness data and memory module
Quasi- value range and the second standard value compare:
If (a) fuzziness data are greater than the second standard value, this is just represent, and the fuzziness of conventional images information alreadys exceed
The range that eyepiece focusing spiral can solve can not reach fuzziness requirement by single eyepiece focusing；Therefore, mould
Paste degree judgment module controls the second electric motor starting by control module, and the rotation of object lens focusing screw is driven after the second electric motor starting,
So as to adjust objective focal length, so that fuzziness reduces.
If (b) fuzziness data are less than the second standard value, and fuzziness data are not belonging to the first standard value range；This is with regard to generation
Table, the fuzziness of conventional images information is the range that eyepiece focusing spiral can solve, it can passes through single eyepiece tune
Coke requires to reach fuzziness；Therefore fuzziness judgment module controls first motor starting by control module, and first motor opens
Eyepiece focusing spiral rotating is driven by output shaft after dynamic, so as to adjust eyepiece focal length, so that fuzziness reduces.
If (c) fuzziness data belong to the first standard value range；This just represents, and the fuzziness of conventional images information is figure
As identification module can identify；Therefore, fuzziness judgment module controls picture recognition module by control module and works,
Picture recognition module will then be read by display module by the data of graduated scale at crosshair identification to be read
It shows.
Period fuzziness data just will do it a fuzziness every 1s and judge, for the fuzzy degree convenient for successively occurring
According to the fuzziness data before 1s being known as previous fuzziness data here, the fuzziness data currently obtained are known as present Fuzzy
Degree evidence；During first motor and the second motor work, fuzziness judgment module can also by present Fuzzy degree according to it is previous
Fuzziness data compare, and when finding present Fuzzy degree according to previous fuzziness data are greater than, fuzziness judgment module is just
First motor can be controlled by control module or the second motor reversely rotates, i.e., original first motor or the second motor revolve clockwise
Turn, control module will control first motor or the second motor rotates counterclockwise.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively, the affiliated technology neck of utility model before one skilled in the art know the applying date or priority date
All ordinary technical knowledges in domain can know the prior art all in the field, and have using normal before the date
The ability of laboratory facilities is advised, one skilled in the art can be complete in conjunction with self-ability under the enlightenment that the application provides
It is apt to and implements this programme, it is real that some typical known features or known method should not become one skilled in the art
Apply the obstacle of the application.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (5)
1. total station automatic focusing device, it is characterised in that: including eyepiece focusing spiral, object lens focusing screw, image procossing system
System and display screen；Eyepiece focusing spiral is connected with first motor, and object lens focusing screw is connected with the second motor, image processing system
Including acquisition module, fuzziness judgment module, picture recognition module, memory module and control module；
Acquisition module is located at eyepiece far from object lens side, for acquiring the image showed in eyepiece, and by conventional images
Information is sent to fuzziness judgment module；
Memory module is for storing preset first standard value range and the second standard value；
Fuzziness judgment module is used to conventional images information carrying out fuzziness judge with the standard picture information prestored, obtains mould
Paste degree evidence；If fuzziness data are greater than the second standard value, fuzziness judgment module controls the second motor by control module
Starting；If fuzziness data belong to the first standard value range, fuzziness judgment module controls image recognition by control module
Module identifies crosshair and image, and as display screen show obtained by read；If fuzziness data are not belonging to first
Standard value range and be less than or equal to the second standard value, then fuzziness judgment module by control module control first motor open
It is dynamic.
2. total station automatic focusing device according to claim 1, it is characterised in that: further include input unit, for defeated
Enter the first standard value range.
3. total station automatic focusing device according to claim 1, it is characterised in that: when first motor rotates in the forward direction,
Fuzziness judgment module successively carries out multiple fuzziness judgement, when the fuzziness representated by the fuzziness data becomes larger, mould
Paste degree judgment module controls first motor by control module and reversely rotates.
4. total station automatic focusing device according to claim 1, it is characterised in that: when the second motor rotates in the forward direction,
Fuzziness judgment module successively carries out multiple fuzziness judgement, when the fuzziness representated by the fuzziness data becomes larger, mould
Paste degree judgment module controls the second machine by control module and reversely rotates.
5. total station automatic focusing device according to claim 1, it is characterised in that: the display screen is transparent built-in
Display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821974678.XU CN209044150U (en) | 2018-11-28 | 2018-11-28 | Total station automatic focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821974678.XU CN209044150U (en) | 2018-11-28 | 2018-11-28 | Total station automatic focusing device |
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| Publication Number | Publication Date |
|---|---|
| CN209044150U true CN209044150U (en) | 2019-06-28 |
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ID=67043729
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821974678.XU Expired - Fee Related CN209044150U (en) | 2018-11-28 | 2018-11-28 | Total station automatic focusing device |
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| CN (1) | CN209044150U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230416A (en) * | 2020-10-26 | 2021-01-15 | 琉明光电(常州)有限公司 | Objective lens detection system method and device based on miniature crystal grains |
| CN114446108A (en) * | 2022-01-27 | 2022-05-06 | 中国人民解放军战略支援部队信息工程大学 | Semi-physical simulation training method for total station |
| CN114446118A (en) * | 2022-01-27 | 2022-05-06 | 中国人民解放军战略支援部队信息工程大学 | Semi-physical total station teaching system |
| WO2022121354A1 (en) * | 2020-12-11 | 2022-06-16 | 杭州海康微影传感科技有限公司 | Thermal imaging sighting device and thermal imaging method |
-
2018
- 2018-11-28 CN CN201821974678.XU patent/CN209044150U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230416A (en) * | 2020-10-26 | 2021-01-15 | 琉明光电(常州)有限公司 | Objective lens detection system method and device based on miniature crystal grains |
| WO2022121354A1 (en) * | 2020-12-11 | 2022-06-16 | 杭州海康微影传感科技有限公司 | Thermal imaging sighting device and thermal imaging method |
| CN114446108A (en) * | 2022-01-27 | 2022-05-06 | 中国人民解放军战略支援部队信息工程大学 | Semi-physical simulation training method for total station |
| CN114446118A (en) * | 2022-01-27 | 2022-05-06 | 中国人民解放军战略支援部队信息工程大学 | Semi-physical total station teaching system |
| CN114446108B (en) * | 2022-01-27 | 2023-05-23 | 中国人民解放军战略支援部队信息工程大学 | Semi-physical simulation training method for total station |
| CN114446118B (en) * | 2022-01-27 | 2023-05-23 | 中国人民解放军战略支援部队信息工程大学 | Semi-physical total station teaching system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |