CN113932724B - Automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring - Google Patents
Automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring Download PDFInfo
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- CN113932724B CN113932724B CN202111109212.XA CN202111109212A CN113932724B CN 113932724 B CN113932724 B CN 113932724B CN 202111109212 A CN202111109212 A CN 202111109212A CN 113932724 B CN113932724 B CN 113932724B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The application provides an automatic splicing method for realizing multi-station joint measurement in three-dimensional deformation monitoring of a total station, which replaces a conventional base with a photoelectric induction base, and completes high-precision measurement by inducing laser to automatically rotate. The multi-station splicing device can be used for multi-station splicing during precision control measurement or automatic monitoring of triangular elevation measurement or manual networking, does not need to manually rotate a prism, avoids errors caused by inconsistent prism centers during measurement of two sides of a double-end prism, is favorable for obtaining high-precision measurement results, and can be widely used for splicing multi-station data such as long-line subway protection area monitoring, large-range site three-dimensional deformation monitoring and the like.
Description
Technical Field
The application relates to the technical field of total station monitoring, in particular to an automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring.
Background
When the high-precision total station is used for long-distance or large-range three-dimensional deformation monitoring, if multi-station joint measurement is needed, the problem of splicing among stations needs to be solved, and the conventional solution is as follows: if a plurality of total stations can aim at the prism when one prism faces, the total stations aim at the same prism to measure, and prism points are spliced as common points, but because the incidence angle of laser is limited, certain measurement errors are brought, and the applicability is limited in practice; the measuring stations are connected in series by laying the wire line, so that the method has large workload, more measurement error sources and certain influence on the precision of measurement results; if a double sided prism is used, the measurement is performed before and after the prism, and the center of the double sided prism may not be completely overlapped due to the manufacturing error of the double sided prism, and even if the forced fitting is performed through the wire measurement, a certain error is brought.
Under traditional measurement mode, its prism head only can face one side in the measurement process, if need carry out the measurement of other directions then need the manual work to change prism head to the direction of awaiting measuring, increase work load, also can produce the error moreover.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent.
The embodiment of the application provides an automatic splicing method for realizing multi-station joint measurement in three-dimensional deformation monitoring of a total station, which adopts a photoelectric induction type base, wherein the photoelectric induction type base automatically turns to the total station emitting laser by inducing laser emitted from different angles, and the rotation of the photoelectric induction type base drives the rotation of a prism lens, so that the observation of the total station in multiple directions is completed.
In some embodiments, the prism head is connected to the upper end of the photo-induction base through a bracket.
In some embodiments, the photoelectric sensing base comprises a base body, photoelectric sensors and a rotating device, wherein a plurality of photoelectric sensors are arranged in the base body, the receiving ends of the photoelectric sensors are horizontally arranged around the outer side of the base body, the rotating device is arranged in the base body, the output end of the rotating device is connected with a support, and the photoelectric sensors receive laser and then drive the rotating device to rotate so as to drive the prism head to rotate.
In some embodiments, the receiving end of the photosensor is disposed one turn around the outside of the base body.
In some embodiments, the arrangement of the receiving ends of the photoelectric sensors is a circular arrangement.
In some embodiments, the receiving ends of the photosensors are equally spaced apart.
In some embodiments, a circle of scale is arranged on the base body, the scale is uniformly divided into a plurality of cavity modules within the circumference of 360 degrees, and a receiving end of a photoelectric sensor is arranged in each cavity module.
In some embodiments, the rotating device includes a controller, a driver and a stepper motor electrically connected in turn, the receiving ends of all the photoelectric sensors are electrically connected to the controller, the receiving end of one photoelectric sensor receives the laser emitted by a certain total station, the receiving end transmits an optical signal to the controller, the controller calculates the angle between the receiving end receiving the laser and the prism head, that is, the angle required to rotate, the calculated result is converted into a pulse signal to be sent to the driver, the driver receives the pulse signal and converts into the angular displacement of the stepper motor, the stepper motor drives the bracket to rotate by the calculated angle, and the output end of the stepper motor is connected with the bracket.
In some embodiments, after the bracket rotates to the calculated angle, the vertical observation angle is adjusted, and the laser is hit on the prism head, so that the observation of the total station in the direction can be completed.
In some embodiments, the output end of the stepper motor and the support are connected in a key connection manner.
According to the automatic splicing method for realizing multi-station joint measurement in the three-dimensional deformation monitoring of the total station, disclosed by the embodiment of the application, a photoelectric induction type base is used for replacing a conventional base, and high-precision measurement is completed by inducing laser to automatically rotate. The multi-station splicing device can be used for multi-station splicing during precision control measurement or automatic monitoring (or manual networking) of triangular elevation measurement, does not need to manually rotate a prism, avoids errors caused by inconsistent prism centers during two-sided measurement of a double-sided prism, is favorable for obtaining high-precision measurement results, and can be widely used for splicing multi-station data such as long-line subway protection area monitoring, large-range site three-dimensional deformation monitoring and the like.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a connection relationship between a photo-induced base and a prism head according to an embodiment of the present application;
Fig. 2 is a schematic structural diagram of a photoelectric sensing base according to an embodiment of the present application;
Reference numerals:
1-prism lenses; 2-a bracket; 3-a photoelectric induction type base; 31-a base body; 32-a rotating device; 33-receiving end.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
An automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring according to an embodiment of the application is described below with reference to fig. 1-2.
As shown in fig. 1-2, an embodiment of the present application provides an automatic splicing method for implementing multi-station joint measurement in three-dimensional deformation monitoring of a total station, in which a conventional base is replaced by a photo-electric induction base 3, a prism lens 1 is connected to the upper end of the photo-electric induction base 3 through a bracket 2, the bracket 2 is rotatably connected to the photo-electric induction base 3, the photo-electric induction base 3 automatically turns to the total station emitting laser by sensing laser emitted at different angles, the rotation of the photo-electric induction base 3 drives the rotation of the prism lens 1, after the total station waits for a preset time, the vertical observation angle is adjusted, and the laser is hit on the prism lens 1, thereby completing the observation of the total station in the direction. Thereby completing the observation of the total station in multiple directions and realizing the automatic splicing of multi-station joint measurement.
Specifically, the photoelectric sensing base includes base body 31, photoelectric sensor and rotary device 32, photoelectric sensor's receiving end 33 is arranged around base body 31 outside level and is set up, and the appearance of base body 31 is the cake form, and base body 31 upper end is equipped with the round scale, evenly divides into a plurality of cavity modules with base body 31 in 360 circumference with reference to the scale of scale, installs a photoelectric sensor's receiving end 33 in every cavity module, outwards sets up receiving end 33, and receiving end 33 can be detachable connected mode such as joint in the cavity module. The rotating device 32 is arranged in the base body 31, the output end of the rotating device 32 is connected to the bracket 2, and the upper end of the bracket 2 is connected with the prism lens 1. The photoelectric sensor receives the laser and then drives the rotating device 32 to rotate, so as to drive the prism lens 1 to rotate.
In some embodiments, the rotating device 32 includes a controller, a driver and a stepper motor electrically connected in turn, where the receiving ends 33 of all the photosensors are electrically connected to the controller, where the receiving end 33 of one photosensor receives the laser light emitted by a certain total station, the receiving end 33 transmits an optical signal to the controller, the controller calculates the angle between the receiving end 33 receiving the laser light and the prism head 1, that is, the angle that needs to be rotated, converts the calculation result into a pulse signal and sends the pulse signal to the driver, the driver receives the pulse signal and converts the pulse signal into an angular displacement of the stepper motor, the stepper motor drives the support 2 to rotate by the calculated angle, and the output end of the stepper motor is connected to the support 2 in a key manner.
In order to facilitate the rotation of the support 2, a smooth annular slide way may be provided at the contact surface between the support 2 and the base 31, and when the stepper motor drives the support 2 to rotate, the support 2 may rotate along the annular slide way, so that the friction force can be reduced while the support is provided. The annular slideway can also be replaced by a universal wheel mode, and the purpose is to facilitate the smooth rotation of the bracket 2.
In some embodiments, the installation manner of the receiving end 33 of the photoelectric sensor is not limited to the cavity module, and the receiving end 33 may be directly or indirectly installed on the base body 31. The arrangement of the receiving ends 33 is not limited to the circular arrangement, and may be adjusted according to practical needs, for example, the range of joint measurement is not circular, but is a fan-shaped structure, and the arrangement may be designed as a fan-shaped arrangement.
In some embodiments, in order to avoid that there may be a gap between two adjacent receiving ends, the laser emitted by the total station cannot strike the receiving end 33, and thus cannot be measured, the solution is to set two or more layers of the receiving end 33 with the same layout. Taking the two-layer receiving end 33 as an example, the two-layer receiving end 33 is electrically connected to the controller, the positions of the two-layer receiving end 33 are staggered, the laser beam is firstly transmitted to the first-layer receiving end 33, if the prism lens 1 does not react, the angle in the vertical direction is adjusted, the laser beam is transmitted to the second-layer receiving end 33, and the prism lens 1 rotates according to the signal transmitted by the second-layer receiving end 33.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., 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, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. An automatic splicing method for realizing multi-station joint measurement in three-dimensional deformation monitoring of a total station is characterized by adopting a photoelectric induction type base, wherein the photoelectric induction type base automatically turns to the total station emitting laser by inducing laser emitted from different angles, and the rotation of the photoelectric induction type base drives the rotation of a prism lens so as to finish the observation of the total station in multiple directions;
The prism head is connected to the upper end of the photoelectric induction base through a bracket;
The photoelectric induction type base comprises a base body, photoelectric sensors and a rotating device, wherein a plurality of photoelectric sensors are arranged in the base body, the receiving ends of the photoelectric sensors are horizontally arranged around the outer side of the base body, the rotating device is arranged in the base body, the output end of the rotating device is connected with a bracket, and the photoelectric sensors drive the rotating device to rotate after receiving laser, so that the prism head is driven to rotate;
And after the bracket rotates to the calculated angle, adjusting the vertical observation angle, and striking laser on the prism head to finish the observation of the total station in the direction.
2. The automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring according to claim 1, wherein the receiving end of the photoelectric sensor is arranged around the outer side of the base body.
3. The automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring according to claim 2, wherein the arrangement layout mode of the receiving end of the photoelectric sensor is a circular arrangement layout mode.
4. The automated splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring according to claim 2 or 3, wherein the receiving ends of the photoelectric sensors are equidistantly arranged.
5. The automatic splicing method for realizing multi-station joint measurement in three-dimensional deformation monitoring of total station as set forth in claim 1, wherein a circle of scales is arranged on the base body, the scales are uniformly divided into a plurality of cavity modules within 360-degree circumference, and a receiving end of a photoelectric sensor is arranged in each cavity module.
6. The automatic splicing method for realizing multi-station joint measurement in three-dimensional deformation monitoring of total station according to claim 1, wherein the rotating device comprises a controller, a driver and a stepping motor which are electrically connected in sequence, the receiving ends of all the photoelectric sensors are electrically connected to the controller, the receiving end of one photoelectric sensor receives laser emitted by a certain total station, the receiving end transmits an optical signal to the controller, the controller calculates an angle between the receiving end for receiving the laser and a prism head, namely an angle required to rotate, the calculated result is converted into a pulse signal to be sent to the driver, the driver receives the pulse signal and converts into angular displacement of the stepping motor, the stepping motor drives a bracket to rotate by the calculated angle, and the output end of the stepping motor is connected with the bracket.
7. The automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring according to claim 6, wherein the output end of the stepping motor is connected with the bracket in a key connection mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111109212.XA CN113932724B (en) | 2021-09-22 | 2021-09-22 | Automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring |
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| CN202111109212.XA CN113932724B (en) | 2021-09-22 | 2021-09-22 | Automatic splicing method for realizing multi-station joint measurement in total station three-dimensional deformation monitoring |
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| CN113932724B true CN113932724B (en) | 2024-08-30 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101680941A (en) * | 2007-05-10 | 2010-03-24 | 莱卡地球系统公开股份有限公司 | Method for determining position, laser beam detector and detector-reflector device for a system for determining position |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3323779B2 (en) * | 1997-07-01 | 2002-09-09 | 株式会社奥村組 | Surveying instrument with reflective prism |
| EP1503175A1 (en) * | 2003-07-28 | 2005-02-02 | Leica Geosystems AG | Device and method for calibrating the alignment of a device under test |
| CN213021575U (en) * | 2020-06-15 | 2021-04-20 | 宾得励精科技(上海)有限公司 | Semi-automatic target-traceable servo total station |
| CN212714888U (en) * | 2020-06-24 | 2021-03-16 | 北京城乡中昊建设有限责任公司 | Foundation ditch horizontal displacement detection device |
| CN112113550B (en) * | 2020-10-16 | 2023-08-15 | 中铁上海设计院集团有限公司 | Intelligent magnetic floating force polymorphism measuring prism and application method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101680941A (en) * | 2007-05-10 | 2010-03-24 | 莱卡地球系统公开股份有限公司 | Method for determining position, laser beam detector and detector-reflector device for a system for determining position |
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