CN109557523B - Positioning baffle and method for detecting pointing included angle between measurement laser and aiming laser - Google Patents
Positioning baffle and method for detecting pointing included angle between measurement laser and aiming laser Download PDFInfo
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- CN109557523B CN109557523B CN201811364763.9A CN201811364763A CN109557523B CN 109557523 B CN109557523 B CN 109557523B CN 201811364763 A CN201811364763 A CN 201811364763A CN 109557523 B CN109557523 B CN 109557523B
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- baffle
- positioning baffle
- positioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
Abstract
The application provides a positioning baffle and a method for detecting a pointing included angle between measurement laser and aiming laser of a laser range finder. This positioning baffle includes: a support frame (6); a laser transmission region (7) arranged at the middle position of the support frame (6); a first baffle (8); a second baffle (9); a third baffle (10); a fourth baffle (11); a vertical scale (17); and a horizontal scale (16). The first baffle (8) has a left-right center line (12) and an upper-lower center line (13). The technical scheme of this application has solved and has measured laser and aim the pointed contained angle of laser and need just can accomplish through professional equipment, ordinary user does not have the means and carries out the problem of accurate measurement.
Description
Technical Field
The invention relates to a detection technology, in particular to a positioning baffle and a method for detecting a pointing included angle between measurement laser and aiming laser of a laser range finder.
Background
The laser distance measuring instrument has high distance measuring precision and long measuring distance. For laser rangefinders where the measuring laser is not visible, it is generally equipped with both measuring and aiming lasers. The aiming laser is visible to human eyes, and the direction of the aiming laser can be used as the direction of the measuring laser.
When the laser range finder is used, particularly under the condition of high-precision remote measurement, the pointing included angle between the aiming laser and the measuring laser needs to be as small as possible. The included angle measuring process can be completed only by professional equipment for laser production debugging, and an ordinary user does not have means for accurate measurement and can influence the precision of distance measurement.
Disclosure of Invention
The application provides a positioning baffle and a method for detecting a pointing included angle between measuring laser and aiming laser. The problem of pointing to the contained angle and need just can accomplish through professional equipment, ordinary user does not have the means to carry out accurate measurement is solved.
According to an aspect of the present invention, there is provided a positioning baffle for detecting a pointing angle between a measurement laser and an aiming laser of a laser range finder, comprising:
a support frame;
the laser transmission area is arranged in the middle of the support frame;
the first baffle is positioned on the first side of the laser transmission area along the first direction and movably arranged on the support frame so as to partially or completely shield the laser transmission area;
the second baffle is positioned on the second side of the laser transmission area along the first direction and movably arranged on the supporting frame so as to partially or completely shield the laser transmission area, and the second side is opposite to the first side;
the third baffle is positioned on the third side of the laser transmission area along the second direction and is movably arranged on the supporting frame so as to partially or completely shield the laser transmission area;
the fourth baffle is positioned on the fourth side of the laser transmission area along the second direction and is movably arranged on the supporting frame so as to shield the laser transmission area partially or completely, and the fourth side is opposite to the third side;
the vertical graduated scale is arranged on the support frame, extends adjacent to the laser transmission area along the first direction, and is aligned with two sides of the laser transmission area;
the transverse graduated scale is arranged on the supporting frame, extends adjacent to the laser transmission area along the second direction and is aligned with two sides of the laser transmission area;
the first direction is perpendicular to the second direction, and the first baffle has a left central line, a right central line, an upper central line and a lower central line.
According to some embodiments, the first, second, third and fourth baffles are shaped to conform to the laser-transmissive region so as to completely block the laser-transmissive region.
According to some embodiments, the first, second, third, fourth and laser-transmissive regions have a rectangular shape.
According to some embodiments, the first direction is a vertical direction and the second direction is a horizontal direction.
According to another aspect of the present invention, there is provided a method for detecting a pointing angle between a measurement laser and an aiming laser of a laser range finder, comprising:
arranging a laser range finder which is provided with an aiming laser emitting lens, a measuring laser emitting lens and a measuring laser receiving lens;
arranging a laser control and data acquisition unit, and enabling the laser control and data acquisition unit to be in signal connection with a laser range finder;
setting a target reflecting surface to enable the target reflecting surface to be opposite to the laser range finder;
arranging a first positioning baffle plate to enable the first positioning baffle plate to be opposite to the laser range finder, wherein the first positioning baffle plate is any one of the positioning baffle plates;
arranging a second positioning baffle plate, wherein the first positioning baffle plate is positioned between the second positioning baffle plate and the laser range finder, and the second positioning baffle plate is any one of the positioning baffle plates;
moving a first baffle of a first positioning baffle, completely shielding the laser transmission area, and respectively aligning the left central line, the right central line, the upper central line and the lower central line of the first baffle of the first positioning baffle with the centers of a transverse dividing ruler and a vertical dividing ruler;
controlling a laser range finder to emit aiming laser through a laser control and data acquisition device, and adjusting the position of a first positioning baffle plate to enable the center falling point of the aiming laser to be positioned at the intersection point of a left central line, a right central line and an upper central line and a lower central line;
fixing a first positioning baffle, and recording the distance measurement value of the laser range finder at the moment as L1;
moving a first baffle of the first positioning baffle, and opening the laser transmission area to enable laser to transmit through the first positioning baffle;
moving the first baffle of the second positioning baffle, completely shielding the laser transmission area, and respectively aligning the left and right central lines, the upper and lower central lines of the first baffle of the second positioning baffle with the centers of the transverse dividing ruler and the vertical dividing ruler;
controlling the laser range finder to emit aiming laser through the laser control and data acquisition unit, and adjusting the position of the second positioning baffle plate to enable the center falling point of the aiming laser to be positioned at the intersection point of the left central line, the right central line and the upper central line and the lower central line;
fixing a second positioning baffle, and recording the distance measurement value of the laser range finder at the moment as L2;
moving the first baffle of the second positioning baffle, opening the laser transmission area, enabling the laser to be transmitted through the second positioning baffle to irradiate the target reflecting surface, and recording the distance measurement value of the laser range finder at the moment as L3;
moving the first baffle position of the first positioning baffle, gradually blocking the laser transmission area, and recording the position of the first baffle of the first positioning baffle on the vertical scale at the moment as Y1j when the distance measurement value of the laser range finder is changed into 1/2 of L3;
moving a first baffle of the first positioning baffle, and opening the laser transmission area;
moving the position of a second baffle plate of the first positioning baffle plate, gradually blocking a laser transmission area, and recording the position of the second baffle plate of the first positioning baffle plate in the vertical scale as Y2j when the distance measurement value of the laser range finder is changed to 1/2 of L3;
moving a second baffle of the first positioning baffle, and opening the laser transmission area;
moving the third baffle plate position of the first positioning baffle plate, gradually blocking the laser penetration area, and recording the position of the third baffle plate of the first positioning baffle plate on the transverse scale as X1j when the distance measurement value of the laser range finder is changed to 1/2 of L3;
moving a third baffle of the first positioning baffle, and opening the laser transmission area;
moving the fourth baffle of the first positioning baffle to the position of the transverse scale, gradually blocking a laser transmission area, and recording the position of the fourth baffle of the first positioning baffle as X2j when the distance measurement value of the laser range finder is changed to 1/2 of L3;
moving a third baffle of the first positioning baffle, and opening the laser transmission area;
moving the first baffle position of the second positioning baffle, gradually blocking the laser transmission area, and recording the position of the first baffle of the second positioning baffle on the vertical scale at the moment as Y1Y when the distance measurement value of the laser range finder is changed to 1/2 of L3;
moving a first baffle of a second positioning baffle, and opening a laser transmission area;
moving the position of a second baffle plate of the second positioning baffle plate, gradually blocking a laser transmission area, and recording the position of the second baffle plate of the second positioning baffle plate on the vertical scale as Y2Y when the distance measurement value of the laser range finder is changed to 1/2 of L3;
moving a second baffle of the second positioning baffle, and opening the laser transmission area;
moving the third baffle position of the second positioning baffle, gradually blocking the laser transmission area, and recording the position of the third baffle of the second positioning baffle on the transverse scale at the moment as X1y when the distance measurement value of the laser range finder is changed to 1/2 of L3;
moving a third baffle of the second positioning baffle, and opening the laser transmission area;
moving the fourth baffle position of the second positioning baffle, gradually blocking the laser transmission area, and recording the position of the fourth baffle of the second positioning baffle on the transverse scale at the moment as X2y when the distance measurement value of the laser range finder is changed to 1/2 of L3;
according to some embodiments, the first positioning baffle and the second positioning baffle are disposed parallel to the target reflecting surface.
According to some embodiments, the angle between the measurement laser and the aiming laser is calculated according to the following formula:
in the formula, Δ θ is the pointing angle between the measurement laser and the aiming laser, and arctan () is the arctangent operation.
According to some embodiments, on the first positioning block, the center coordinates of the laser irradiation area are:
according to some embodiments, on the second positioning fence, the center coordinates of the laser irradiation area are:
according to some embodiments, a direction from the aiming laser emission lens to the measuring laser emission lens coincides with the first direction.
The invention utilizes the laser control and data acquisition unit to control the laser range finder to emit measuring laser and aiming laser, obtains the position information of the measuring laser at two distances by adjusting the baffle positions of the first positioning baffle and the second positioning baffle, and realizes the measurement of the pointing direction of invisible laser. Therefore, the test of the pointing included angle of the measuring laser and the aiming laser is realized, and the problems that the pointing included angle of the measuring laser and the aiming laser can be finished only by professional equipment and an ordinary user has no means to carry out accurate measurement are solved.
Drawings
Other characteristics and advantages of the invention will become more apparent in the following detailed description of non-limiting embodiments thereof, with reference to the attached drawings, in which:
FIG. 1 shows a schematic diagram of a system for detecting the pointing angle of a measurement laser and a sighting laser of a laser rangefinder according to an embodiment of the present invention;
FIG. 2 shows a schematic component diagram of a positioning baffle according to an embodiment of the invention;
FIG. 3 shows a schematic diagram of a laser rangefinder with non-parallel measurement laser and aiming laser pointing directions, according to an embodiment of the present invention.
Description of reference numerals:
101 laser range finder 102 laser control and data acquisition unit
103 aiming laser emission lens 104 measuring laser emission lens
105 first positioning baffle of measuring laser receiving lens 3
4 second positioning baffle 5 target reflecting surface
6 support frame 7 laser light transmission area
8 first baffle 9 second baffle
10 third baffle 11 fourth baffle
12 left and right center lines 13 up and down center lines
14 measuring the aiming of the laser irradiation area 15 at the laser irradiation area
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the embodiments of the invention and that the invention is not limited thereto. It should be noted that, for convenience of description, only the parts closely related to the embodiments are shown in the drawings. Embodiments may be embodied in many different forms and should not be construed as limited to the forms set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. The same reference numbers in the drawings identify the same or similar elements.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other alternatives. It is to be understood that the block diagrams shown in the figures do not necessarily correspond to physically separate entities.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements or features, these elements or features should not be limited by these terms. These terms are used to distinguish one element or feature from another element or feature. Thus, a first component or feature described hereinafter may also be referred to as a second component or feature without departing from the teachings of the present application.
FIG. 1 shows a schematic diagram of a system for detecting the pointing angle of a measurement laser and a sighting laser of a laser rangefinder according to an embodiment of the present invention.
As shown in fig. 1, the system for measuring the pointing angle between the laser and the aiming laser comprises: the device comprises a laser range finder 101, a laser control and data acquisition unit 102, a target reflecting surface 5, a first positioning baffle 3 and a second positioning baffle 4. The first positioning baffle and the second positioning baffle are the same in composition.
Fig. 2 shows a schematic composition diagram of a positioning baffle according to an embodiment of the invention.
As shown in fig. 2, the positioning baffle for detecting the directional included angle between the measurement laser and the aiming laser of the laser range finder comprises a supporting frame 6, a laser transmission area 7, a first baffle 8, a second baffle 9, a third baffle 10, a fourth baffle 11, a vertical scale 17 and a transverse scale 16.
Referring to fig. 2, a laser light transmission region 7 is provided at a middle position of the support frame 6.
The first baffle 8 is located on a first side of the laser transmission region 7 in a first direction and is movably disposed on the support frame 6 so as to partially or entirely shield the laser transmission region 7. And a second shutter 9 which is located on a second side of the laser transmission region 7 in the first direction and is movably provided on the support frame 6 so as to partially or entirely shield the laser transmission region 7, the second side being opposite to the first side. And a third baffle 10 located on a third side of the laser transmission region 7 along the second direction and movably disposed on the support frame 6 so as to partially or completely shield the laser transmission region 7. And a fourth shutter 11 disposed on a fourth side of the laser transmission region 7 along the second direction and movably disposed on the support frame 6 so as to partially or completely shield the laser transmission region 7, the fourth side being opposite to the third side.
And the vertical scale 17 is arranged on the supporting frame 6, extends adjacent to the laser transmission region 7 along the first direction, and is aligned with two sides of the laser transmission region 7. And a horizontal scale 16 provided on the support frame 6, extending adjacent to the laser-transmissive region 7 in the second direction, and aligned with both sides of the laser-transmissive region 7.
As shown in fig. 2, the first direction is perpendicular to the second direction, and the first baffle 8 has a left-right center line 12 and an upper-lower center line 13.
According to some embodiments, as shown in fig. 2, the first baffle 8, the second baffle 9, the third baffle 10 and the fourth baffle 11 are shaped to fit the laser light transmitting area 7 so as to be able to shield the laser light transmitting area 7 entirely.
According to some embodiments, as shown in fig. 2, the first baffle plate 8, the second baffle plate 9, the third baffle plate 10, the fourth baffle plate 11, and the laser light transmission region 7 have a rectangular shape.
According to some embodiments, as shown in fig. 2, the first direction is a vertical direction and the second direction is a horizontal direction.
FIG. 3 shows a schematic diagram of a laser rangefinder with non-parallel measurement laser and aiming laser pointing directions, according to an embodiment of the present invention.
The method for detecting the pointing angle between the measuring laser and the aiming laser of the laser range finder according to the embodiment of the invention is described below with reference to fig. 2 and 3.
A laser range finder 101 is provided with an aiming laser emitting lens 103, a measurement laser emitting lens 104, and a measurement laser receiving lens 105.
A laser control and data acquisition unit 102 is provided, and the laser control and data acquisition unit 102 is in signal connection with the laser range finder 101.
The target reflection surface 5 is disposed so that the target reflection surface 5 faces the laser range finder 101.
Set up first positioning baffle 3, make first positioning baffle 3 relative with laser range finder 101, first positioning baffle 3 can be aforementioned positioning baffle.
A second positioning baffle 4 is provided to make the first positioning baffle 3 located between the second positioning baffle 4 and the laser range finder 101, and the second positioning baffle 4 may be the aforementioned positioning baffle.
According to some embodiments, the data input/output end of the laser range finder 101 is connected to the signal line of the data output/input end of the laser control and data acquisition unit 102, and is disposed about 30 meters opposite to the target reflection surface 5. The first positioning baffle 3 is placed about 10 meters away from the laser range finder 101, the second positioning baffle 4 is placed about 20 meters away from the laser range finder 101, and the first positioning baffle 3 and the second positioning baffle 4 are parallel to the target reflecting surface 5. First locating baffle 3 is unanimous with second locating baffle 4 structure, including braced frame 6, laser see through regional 7, anyhow vertical scale, first baffle 8, second baffle 9, third baffle 10, fourth baffle 11. First baffle 8, second baffle 9, third baffle 10, fourth baffle 11 can move about from top to bottom on braced frame 6, and partly or whole shelters from laser transmission area 7, can read out corresponding baffle position through the scale. The length and width of the transmission laser transmission area 7 ensure that the aiming laser and the measuring laser can be completely transmitted.
The first baffle 8 of the first positioning baffle 3 is moved to completely shield the laser transmission area 7, and the left-right central line 12 and the upper-lower central line 13 of the first baffle 8 of the first positioning baffle 3 are respectively aligned with the centers of the transverse graduated scale 16 and the vertical graduated scale 17.
The laser control and data acquisition unit 102 controls the laser range finder 101 to emit aiming laser, and adjusts the position of the first positioning baffle 3 to enable the center of the aiming laser to be located at the intersection point of the left central line 12, the right central line 12 and the upper central line 13.
The first positioning fence 3 is fixed, and the distance measurement value of the laser rangefinder 101 at this time is recorded as L1.
The first shutter 8 of the first positioning shutter 3 is moved to open the laser transmission region 7, so that the laser can transmit through the first positioning shutter 3.
The first baffle 8 of the second positioning baffle 4 is moved to completely shield the laser transmission area 7, and the left and right central lines 12 and the upper and lower central lines 13 of the first baffle 8 of the second positioning baffle 4 are respectively aligned with the centers of the horizontal scale 16 and the vertical scale 17.
The laser range finder 101 is controlled by the laser control and data acquisition unit 102 to emit aiming laser, and the position of the second positioning baffle 4 is adjusted to make the center point of the aiming laser be located at the intersection point of the left and right central lines 12 and the upper and lower central lines 13.
The second positioning fence 4 was fixed, and the distance measurement value of the laser rangefinder 101 at this time was recorded as L2.
The first shutter 8 of the second positioning shutter 4 is moved to open the laser light transmission region 7, and the laser light is irradiated to the target reflection surface 5 through the second positioning shutter 4, and the distance measurement value of the laser distance meter 101 at this time is recorded as L3.
The position of the first stop 8 of the first positioning stop 3 is moved to gradually block the laser transmission area 7, and when the distance measurement value of the laser distance measuring instrument 101 becomes 1/2 of L3, the position of the first stop 8 of the first positioning stop 3 at the vertical scale 12 at this time is recorded as Y1 j.
The first shutter 8 of the first positioning shutter 3 is moved to open the laser transmission region 7.
The position of the second baffle 9 of the first positioning baffle 3 is moved to gradually shield the laser transmission area 7, and when the distance measurement value of the laser range finder 101 becomes 1/2 of L3, the position of the second baffle 9 of the first positioning baffle 3 on the vertical scale 12 at this time is recorded as Y2 j.
The second shutter 9 of the first positioning shutter 3 is moved to open the laser transmission region 7.
The position of the third shutter 10 of the first positioning shutter 3 is moved to gradually block the laser transmission area 7, and when the distance measurement value of the laser range finder 101 becomes 1/2 of L3, the position of the third shutter 10 of the first positioning shutter 3 at the transverse scale 13 at this time is recorded as X1 j.
The third shutter 10 of the first positioning shutter 3 is moved to open the laser transmission region 7.
The fourth shutter 11 of the first positioning shutter 3 is moved to the position of the horizontal scale 13 to gradually block the laser-transmitted area 7, and when the distance measurement value of the laser range finder 101 becomes 1/2 of L3, the position of the fourth shutter 11 of the first positioning shutter 3 at this time is recorded as X2 j.
The third shutter 10 of the first positioning shutter 3 is moved to open the laser transmission region 7.
The position of the first shutter 8 of the second positioning shutter 4 is moved to gradually block the laser-transmitted area 7, and when the distance measurement value of the laser rangefinder 101 becomes 1/2 of L3, the position of the first shutter 8 of the second positioning shutter 4 at this time on the vertical scale 12 is recorded as Y1Y.
The first shutter 8 of the second positioning shutter 4 is moved to open the laser transmission region 7.
The position of the second shutter 9 of the second positioning shutter 4 is moved to gradually block the laser-transmitted area 7, and when the distance measurement value of the laser rangefinder 101 becomes 1/2 of L3, the position of the second shutter 9 of the second positioning shutter 4 at this time on the vertical scale 12 is recorded as Y2Y.
The second shutter 9 of the second positioning shutter 4 is moved to open the laser transmission area 7.
The position of the third shutter 10 of the second positioning shutter 4 is moved to gradually block the laser-transmitted region 7, and when the distance measurement value of the laser rangefinder 101 becomes 1/2 of L3, the position of the third shutter 10 of the second positioning shutter 4 at this time on the transverse scale 13 is recorded as X1 y.
The third shutter 10 of the second positioning shutter 4 is moved to open the laser transmission region 7.
The position of the fourth shutter 11 of the second positioning shutter 4 is moved to gradually block the laser-transmitted area 7, and when the distance measurement value of the laser rangefinder 101 becomes 1/2 of L3, the position of the fourth shutter 11 of the second positioning shutter 4 at this time on the transverse scale 13 is recorded as X2 y.
According to example embodiments, the first and second positioning baffles 3 and 4 may be disposed parallel to the target reflecting surface 5.
According to an exemplary embodiment, the angle between the measurement laser and the aiming laser may be calculated according to the following formula:
in the formula, Δ θ is the pointing angle between the measurement laser and the aiming laser, and arctan () is the arctangent operation.
According to an exemplary embodiment, on the first positioning fence 3, the center coordinates of the laser irradiation area are:
according to an exemplary embodiment, on the second positioning fence 4, the center coordinates of the laser irradiation area are:
according to example embodiments, a direction from the aiming laser emission lens 103 to the measurement laser emission lens 104 may coincide with the first direction.
According to the concept and the embodiment of the invention, the laser control and data acquisition unit is utilized to control the laser range finder to emit the measuring laser and the aiming laser, and the position information of the measuring laser at two distances is obtained by adjusting the positions of the first positioning baffle and the second positioning baffle, so that the pointing direction of the invisible laser is measured. Therefore, the test of the directional included angle between the measuring laser and the aiming laser is realized, and the problems that the directional included angle between the measuring laser and the aiming laser can be completed only by professional equipment and an ordinary user can perform accurate measurement without means are solved.
The technical idea of the present invention and the embodiments according to the technical idea of the present invention are described above. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the examples given herein. This application is intended to cover any variations, uses, or adaptations of the invention. Such variations, uses, or adaptations are to be regarded as a general matter of the invention and include such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims. It will be understood that the invention is not limited to what has been described above and shown in the drawings, but that various modifications and changes can be made by those skilled in the art without departing from the scope of the present disclosure.
Claims (10)
1. The utility model provides a detect laser range finder's measurement laser and aim at positioning baffle of the directional contained angle of laser, its characterized in that includes:
a support frame (6);
a laser transmission region (7) arranged at the middle position of the support frame (6);
the first baffle (8) is positioned on the first side of the laser transmission area (7) along a first direction and is movably arranged on the supporting frame (6) so as to partially or completely shield the laser transmission area (7);
a second shutter (9) located along the first direction on a second side of the laser-transparent area (7) and movably arranged on the support frame (6) so as to partially or totally shield the laser-transparent area (7), the second side being opposite to the first side;
a third baffle (10) which is positioned at the third side of the laser transmission area (7) along the second direction and is movably arranged on the supporting frame (6) so as to partially or completely shield the laser transmission area (7);
a fourth shutter (11) located on a fourth side of the laser transmission area (7) along the second direction and movably disposed on the support frame (6) so as to partially or completely shield the laser transmission area (7), the fourth side being opposite to the third side;
the vertical dividing ruler (17) is arranged on the supporting frame (6), extends adjacent to the laser transmission region (7) along the first direction, and is aligned with two sides of the laser transmission region (7);
a transverse scale (16) arranged on the support frame (6), extending adjacent to the laser transmission region (7) along the second direction, and aligned with two sides of the laser transmission region (7);
wherein the first direction is perpendicular to the second direction, and the first baffle (8) has a left-right center line (12) and an upper-lower center line (13).
2. Positioning baffle according to claim 1, characterized in that the first baffle (8), the second baffle (9), the third baffle (10) and the fourth baffle (11) are shaped in correspondence with the laser-transparent area (7) so as to be able to completely shield the laser-transparent area (7).
3. Positioning baffle according to claim 1, characterized in that the first baffle (8), the second baffle (9), the third baffle (10), the fourth baffle (11) and the laser-transparent area (7) have a rectangular shape.
4. The retainer baffle of claim 1, wherein the first direction is a vertical direction and the second direction is a horizontal direction.
5. A method for detecting the pointing included angle between the measuring laser and the aiming laser of a laser range finder is characterized by comprising the following steps:
setting a laser range finder (101) which is provided with an aiming laser emission lens (103), a measuring laser emission lens (104) and a measuring laser receiving lens (105);
arranging a laser control and data acquisition unit (102), and enabling the laser control and data acquisition unit (102) to be in signal connection with the laser range finder (101);
arranging a target reflecting surface (5) to enable the target reflecting surface (5) to be opposite to the laser range finder (101);
-arranging a first positioning baffle (3) such that said first positioning baffle (3) is opposite to said laser rangefinder (101), said first positioning baffle (3) being a positioning baffle according to any of claims 1-4;
-providing a second positioning baffle (4) with the first positioning baffle (3) between the second positioning baffle (4) and the laser range finder (101), the second positioning baffle (4) being as defined in any of claims 1-4;
moving a first baffle (8) of the first positioning baffle (3), completely shielding a laser transmission area (7), and respectively aligning a left central line (12), a right central line (12), an upper central line (13) and a lower central line (13) of the first baffle (8) of the first positioning baffle (3) with the centers of a transverse scale (16) and a vertical scale (17);
controlling a laser range finder (101) to emit aiming laser through a laser control and data acquisition unit (102), and adjusting the position of the first positioning baffle (3) to enable the center falling point of the aiming laser to be positioned at the intersection point of a left central line (12), a right central line (12) and an upper central line (13);
fixing the first positioning baffle (3), and recording the distance measurement value of the laser range finder (101) at the moment as L1;
moving a first baffle (8) of the first positioning baffle (3) to open a laser transmission area (7) so that laser can transmit through the first positioning baffle (3);
moving the first baffle (8) of the second positioning baffle (4), completely shielding the laser transmission area (7), and respectively aligning the left central line (12), the right central line (12), the upper central line (13) and the lower central line (13) of the first baffle (8) of the second positioning baffle (4) with the centers of the transverse scale (16) and the vertical scale (17);
controlling a laser range finder (101) to emit aiming laser through a laser control and data acquisition unit (102), and adjusting the position of the second positioning baffle (4) to enable the center falling point of the aiming laser to be positioned at the intersection point of a left central line (12), a right central line (12) and an upper central line (13);
fixing the second positioning baffle (4), and recording the distance measurement value of the laser range finder (101) at the moment as L2;
moving a first baffle (8) of the second positioning baffle (4), opening a laser transmission area (7), enabling laser to transmit through the second positioning baffle (4) and irradiate the target reflection surface (5), and recording a distance measurement value of the laser range finder (101) at the moment as L3;
moving the position of a first baffle (8) of the first positioning baffle (3), gradually blocking a laser transmission area (7), and recording that the position of the first baffle (8) of the first positioning baffle (3) on a vertical scale (17) at the moment is Y1j when the distance measurement value of a laser range finder (101) is changed to 1/2 of L3;
moving a first baffle (8) of the first positioning baffle (3) to open a laser transmission area (7);
moving the position of a second baffle plate (9) of the first positioning baffle plate (3), gradually blocking a laser transmission area (7), and recording that the position of the second baffle plate (9) of the first positioning baffle plate (3) on the vertical scale (17) at the moment is Y2j when the distance measurement value of the laser range finder (101) is changed to 1/2 of L3;
moving a second baffle (9) of the first positioning baffle (3) to open the laser transmission area (7);
moving the position of a third baffle plate (10) of the first positioning baffle plate (3), gradually blocking a laser transmission area (7), and recording that the position of the third baffle plate (10) of the first positioning baffle plate (3) on a transverse scale (16) is X1j when the distance measurement value of a laser range finder (101) is changed to 1/2 of L3;
moving a third baffle (10) of the first positioning baffle (3) to open the laser transmission area (7);
moving a fourth baffle plate (11) of the first positioning baffle plate (3) to gradually shield a laser transmission area (7) at the position of a transverse scale (16), and recording that the position of the fourth baffle plate (11) of the first positioning baffle plate (3) at the moment is X2j when the distance measurement value of a laser range finder (101) is changed to 1/2 of L3;
moving a third baffle (10) of the first positioning baffle (3) to open the laser transmission area (7);
moving the position of a first baffle plate (8) of the second positioning baffle plate (4), gradually blocking a laser transmission area (7), and recording that the position of the first baffle plate (8) of the second positioning baffle plate (4) on the vertical scale (17) at the moment is Y1Y when the distance measurement value of the laser range finder (101) is changed to 1/2 of L3;
moving a first baffle (8) of the second positioning baffle (4) to open a laser transmission area (7);
moving the position of a second baffle (9) of the second positioning baffle (4), gradually blocking a laser transmission area (7), and recording that the position of the second baffle (9) of the second positioning baffle (4) on the vertical scale (17) at the moment is Y2Y when the distance measurement value of the laser range finder (101) is changed to 1/2 of L3;
moving a second baffle (9) of the second positioning baffle (4) to open the laser transmission area (7);
moving the position of a third baffle plate (10) of the second positioning baffle plate (4), gradually blocking a laser transmission area (7), and recording that the position of the third baffle plate (10) of the second positioning baffle plate (4) on a transverse scale (16) is X1y when the distance measurement value of a laser range finder (101) is changed to 1/2 of L3;
moving a third baffle (10) of the second positioning baffle (4) to open the laser transmission area (7);
and moving the position of a fourth baffle plate (11) of the second positioning baffle plate (4), gradually blocking the laser transmission area (7), and recording that the position of the fourth baffle plate (11) of the second positioning baffle plate (4) on the transverse scale (16) is X2y when the distance measurement value of the laser range finder (101) is changed to 1/2 of L3.
6. The method according to claim 5, characterized in that the first positioning baffle (3) and the second positioning baffle (4) are arranged parallel to the target reflecting surface (5).
7. The method of claim 5, wherein the angle between the measurement laser and the aiming laser is calculated according to the following equation:
in the formula, Δ θ is the pointing angle between the measurement laser and the aiming laser, and arctan () is the arctangent operation.
8. The method according to claim 5, characterized in that on the first positioning baffle (3), the central coordinates of the laser irradiation area are:
9. the method according to claim 5, characterized in that on the second positioning baffle (4), the central coordinates of the laser irradiation area are:
10. the method according to claim 5, wherein a direction from the aiming laser emission lens (103) to the measurement laser emission lens (104) coincides with the first direction.
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| CN105717499B (en) * | 2016-02-04 | 2018-11-30 | 杭州南江机器人股份有限公司 | Laser range finder deflects angular measurement and correction system and method |
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| CN206804864U (en) * | 2017-04-18 | 2017-12-26 | 珠海码硕科技有限公司 | Automatic Calibration production system |
| CN107102315B (en) * | 2017-04-24 | 2019-11-12 | 重庆钢铁(集团)有限责任公司 | A kind of laser range finder calibration method |
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