CN211855277U - Indoor visual axis azimuth angle measuring device utilizing laser projection transmission - Google Patents
Indoor visual axis azimuth angle measuring device utilizing laser projection transmission Download PDFInfo
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- CN211855277U CN211855277U CN202020518619.2U CN202020518619U CN211855277U CN 211855277 U CN211855277 U CN 211855277U CN 202020518619 U CN202020518619 U CN 202020518619U CN 211855277 U CN211855277 U CN 211855277U
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Abstract
The utility model discloses an indoor visual axis azimuth angle measuring device utilizing laser projection transmission, the measuring device comprises a detection component and a camera component, the detection component comprises a two-dimensional horizontal turntable mechanism and an angle sensor, and the angle sensor is arranged on the two-dimensional horizontal turntable mechanism; a first laser is arranged on the two-dimensional horizontal type turntable mechanism; the camera component is provided with a second laser, the first laser and the second laser are both linear lasers, and a first projection line of the first laser on a plane where an observed object is located and a second projection line of the second laser on the plane where the observed object is located are on the same straight line. The utility model discloses a cooperation of determine module and camera subassembly converts the visual axis azimuth of camera subassembly into the angle of adjustment of two-dimentional ground level formula revolving stage mechanism to gather this angle of adjustment in order to obtain the visual axis azimuth of camera subassembly through angle sensor, realized measuring light source optical axis or camera optical axis azimuth through utilizing laser projection, and the device is small, is difficult for receiving the electromagnetic environment influence.
Description
Technical Field
The utility model relates to an indoor optics surveys technical field, in particular to utilize indoor visual axis azimuth measuring device of laser projection transmission.
Background
The current methods commonly used for azimuth measurement include geomagnetic sensor measurement and dual-antenna GPS measurement, wherein the geomagnetic sensor measurement is measurement by using a magnetic field (such as a traditional compass), which is greatly influenced by the magnetic environment and cannot work normally in the situation of magnetic interference; the dual-antenna GPS measurement is to measure respective position information by two antennas, and then calculate the azimuth information of the base line, but the dual-antenna GPS measurement cannot be used because the indoor GPS signal quality does not meet the requirement, and the system occupies a large space (for example, the base line length is about 2 m).
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide an utilize indoor visual axis azimuth measuring device of laser projection transmission.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
an indoor visual axis azimuth angle measuring device utilizing laser projection transmission comprises a detection assembly and a camera assembly, wherein the detection assembly comprises a two-dimensional horizontal type rotary table mechanism and an angle sensor, and the angle sensor is arranged on the two-dimensional horizontal type rotary table mechanism; a first laser is arranged on the two-dimensional horizontal type turntable mechanism; the camera assembly is provided with a second laser, and a first projection line of the first laser on a plane where the observed object is located and a second projection line of the second laser on the plane where the observed object is located are on the same straight line.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the detection assembly is positioned above the observed object, and the first projection line is moved to the position of the observed object by adjusting the pitch angle of the two-dimensional horizontal type turntable mechanism.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the two-dimensional horizontal type turntable mechanism comprises a turntable base, a turntable azimuth axis and a turntable pitch axis; the rotary table azimuth shaft is connected to the rotary table base, the rotary table pitching shaft is rotatably connected to the rotary table azimuth shaft, and the first laser is connected to the rotary table pitching shaft.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the turntable azimuth axis is in a plumb state, and the plane where the first laser of the first laser is located is parallel to the turntable pitch axis.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission comprises a camera assembly and a camera mechanism, wherein the camera and the second laser are uniformly distributed on the tripod, and the plane where the second laser of the second laser is located is parallel to the visual axis of the camera.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the tripod comprises a tripod head and tripod legs; the tripod head is connected to the tripod supporting legs, and when the tripod head base surface of the tripod is parallel to the plane where the observed object is located, the plane where the second laser of the second laser is located is perpendicular to the plane where the observed object is located.
Utilize indoor visual axis azimuth measuring device of laser projection transmission, wherein, camera mechanism includes camera and mounting panel, the mounting panel assemble in on the tripod, the camera with the second laser all assembles on the mounting panel.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the visual axis of the camera points to the observed object.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the second laser is located on one side, facing the plane where the observed object is located, of the mounting plate, and the plane where the second laser sent by the second laser is located forms a second projection line on the plane where the observed object is located.
The indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized in that the first laser and the second laser are both linear lasers.
Has the advantages that: compared with the prior art, the utility model provides an indoor visual axis azimuth angle measuring device utilizing laser projection transmission, the measuring device comprises a detection component and a camera component, the detection component comprises a two-dimensional horizontal type turntable mechanism and an angle sensor, and the angle sensor is arranged on the two-dimensional horizontal type turntable mechanism; a first laser is arranged on the two-dimensional horizontal type turntable mechanism; the camera assembly is provided with a second laser, and a first projection line of the first laser on a plane where the observed object is located and a second projection line of the second laser on the plane where the observed object is located are on the same straight line. The utility model discloses a cooperation of determine module and camera subassembly converts the visual axis azimuth of camera subassembly into the angle of adjustment of two-dimentional ground level formula revolving stage mechanism to gather this angle of adjustment in order to obtain the visual axis azimuth of camera subassembly through angle sensor, realized measuring light source optical axis or camera optical axis azimuth through utilizing laser projection, and the device is small, is difficult for receiving the electromagnetic environment influence.
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Fig. 1 is the utility model provides an utilize indoor visual axis azimuth angle measuring device's of laser projection transmission structural schematic diagram.
Detailed Description
The utility model provides an utilize indoor visual axis azimuth measuring device of laser projection transmission, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be further noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed in a specific direction, and operate, and therefore, the terms describing the positional relationships in the drawings are used only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The following description of the embodiments will further explain the present invention by referring to the figures.
The embodiment provides an indoor visual axis azimuth angle measuring device utilizing laser projection transmission, as shown in fig. 1, the measuring device includes a detection component 1 and a camera component, the detection component 1 is located above the observed object 13, and the camera component is placed on the plane 7 where the observed object is located. The detection assembly 1 comprises a two-dimensional horizontal turntable mechanism and an angle sensor 103; the angle sensor 103 is arranged on the two-dimensional horizontal type rotary table mechanism and used for collecting the adjusting angle of the two-dimensional horizontal type rotary table mechanism. The two-dimensional horizontal type turntable mechanism is provided with a first laser 2, the camera assembly is provided with a second laser 8, and a first projection line 12 of the first laser 2 on a plane 7 where an observed object is located and a second projection line 10 of the second laser 8 on the plane 7 where the observed object is located are on the same straight line. The utility model discloses a cooperation of determine module 1 and camera subassembly converts the visual axis azimuth of camera subassembly into the angle of adjustment of two-dimentional ground level formula revolving stage mechanism to gather this angle of adjustment in order to obtain the visual axis azimuth of camera subassembly through angle sensor 103, realized measuring light source optical axis or camera optical axis azimuth through utilizing laser projection, and the device is small, is difficult for receiving the electromagnetic environment influence.
Further, the two-dimensional horizontal turntable mechanism comprises a turntable base 101, a turntable azimuth axis 102 and a turntable pitch axis 104; the turntable base 101 is fixed above the observation target 13, for example, the observation target 13 is placed on a horizontal floor, and the turntable base 101 is installed on a ceiling or the like. The turntable azimuth axis 102 is rotatably connected to the turntable base 101, the turntable pitch axis 104 is rotatably connected to the turntable azimuth axis 102, and the turntable pitch axis 104 is driven by the turntable azimuth axis 102 to rotate relative to the turntable base 101. Therefore, when the turntable azimuth axis 102 is in a stationary state, the turntable pitch axis 104 can rotate relative to the turntable azimuth axis 102, and meanwhile, the turntable pitch axis 104 can also rotate relative to the turntable base 101 under the driving of the turntable azimuth axis 102, so that the first laser 2 arranged on the turntable pitch axis 104 can adjust the direction of the plane 11 where the first laser is located in the two-dimensional horizontal turntable mechanism. Further, the angle sensor 103 is provided on the turntable orientation axis, and can detect a rotation angle (i.e., an adjustment angle) of the turntable orientation axis.
In one implementation of this embodiment, the extension direction of the turntable azimuth axis 102 is perpendicular to the extension direction of the turntable pitch axis 104, for example, the turntable azimuth axis 102 is in the plumb direction, the turntable pitch axis 104 is in the horizontal direction, and the like. In addition, the plane 11 of the first laser 2 is parallel to the turntable pitch axis 104, so that the plane 11 of the first laser 2 is always parallel to the pitch axis when the turntable pitch axis 104 rotates. Further, the turret orientation shaft 102 rotates with its own extending direction as a rotation center axis, and the turret pitch shaft 104 rotates with its own extending direction as a rotation center axis so that the rotation center axis of the turret pitch shaft 104 with respect to the turret orientation shaft 102 is perpendicular to the rotation center axis of the turret orientation shaft 102, so that when the turret orientation shaft 102 is fixed to the turret base 101, the plane 11 on which the first laser beam of the first laser 2 is located can be adjusted by the turret pitch shaft 104, and the object to be observed 13 is located on the first projection line 12 of the plane 7 on which the first laser beam 2 is located. In a specific implementation manner of this embodiment, the first laser is a linear laser, for example, a 532nm wavelength semiconductor laser.
Further, in one implementation manner of this embodiment, the turntable base 101 includes a U-shaped connector, the U-shaped connector is connected to the turntable azimuth axis 102, and the angle sensor 103 is located between the U-shaped connector and the turntable azimuth axis 102. The rotating table is located in the opening of the U-shaped connecting piece and is respectively connected with two side walls of the U-shaped connecting piece in a rotating mode, so that the rotating table pitching shaft 104 can rotate relative to the U-shaped connecting piece. The first laser 2 is connected to the turntable pitch axis 104 and extends in a direction away from the turntable azimuth axis 102, wherein a light outlet of the first laser 2 is located on one side of the turntable pitch axis 104 away from the turntable azimuth axis 102.
Further, in one implementation manner of the present embodiment, the camera assembly includes a tripod 6 and a camera mechanism, the camera mechanism is disposed on the tripod 6, the visual axis direction of the camera mechanism is parallel to the second laser location plane 9 of the second laser 8, and the observed object 13 is located in the three-foot range of the camera mechanism, so that the observed object 13 can be observed by the camera mechanism. In addition, the second laser 8 is connected to the tripod 6, when the tripod head base surface 602 of the tripod 6 is parallel to the plane 7 of the observed object, the plane 9 of the second laser 8 is perpendicular to the plane 7 of the observed object, so that the second projection line 10 corresponding to the second laser 8 can represent the projection of the visual axis of the camera mechanism on the plane 7 of the observed object, thereby improving the measurement accuracy of the visual axis on one hand, and preventing the visual axis from being affected by the change of the pitch angle of the camera mechanism on the other hand.
Further, the camera mechanism includes a camera 3 and a mounting plate 5, the mounting plate 5 is mounted on the tripod 6, the camera 3 is disposed on a side of the mounting plate 5 facing the detection assembly 1, and the second laser 8 is located on a side of the mounting plate 5 facing a plane 7 where an observed object is located. The visual axis of the camera 3 extends in a direction approaching the observed object 13, and the observed object 13 is on the visual axis 4. A second projection line 10 is formed on the plane 7 where the observed object is located by the plane 9 where the second laser of the second laser 8 is located, the second projection line 10 and the first projection line 12 are on the same straight line, so that the projection line of the visual axis 4 on the plane 7 where the observed object is located and the first projection line 12 of the first laser 2 on the plane 7 where the observed object is located are on the same straight line, and at this time, the angle value output by the angle sensor 103 is the angle value of the azimuth angle of the visual axis of the camera 3. In addition, in an implementation manner of this embodiment, in a specific implementation manner of this embodiment, the second laser is a linear laser, for example, a 650nm wavelength semiconductor laser or the like.
Further, in one implementation manner of the present embodiment, the tripod 6 includes a tripod head 601, a tripod head base surface 602, and tripod legs 603; the tripod leg 603 is erected on the plane 7 where the observed object is located, and the tripod head base surface 602 is parallel to the plane 7 where the observed object is located. The azimuth angle, the pitch angle and the distance to the observed object of the tripod head 601 can be adjusted according to the tested angle and distance, and the visual axis 4 of the camera 3 points to the observed object 13.
In summary, the present embodiment provides an indoor visual axis azimuth angle measurement apparatus using laser projection transmission, the measurement apparatus includes a detection assembly 1 and a camera assembly, the detection assembly 1 includes a two-dimensional horizontal turntable mechanism and an angle sensor 103, and the angle sensor 103 is disposed on the two-dimensional horizontal turntable mechanism; a first laser 2 is arranged on the two-dimensional horizontal type turntable mechanism; the camera component is provided with a second laser 8, and a first projection line 12 of the first laser 2 on the plane 7 where the observed object is located and a second projection line 10 of the second laser 8 on the plane 7 where the observed object is located are on the same straight line. The utility model discloses a cooperation of determine module 1 and camera subassembly converts the visual axis azimuth of camera subassembly into the angle of adjustment of two-dimentional ground level formula revolving stage mechanism to gather this angle of adjustment in order to obtain the visual axis azimuth of camera subassembly through angle sensor 103, realized measuring light source optical axis or camera optical axis azimuth through utilizing laser projection, and the device is small, is difficult for receiving the electromagnetic environment influence.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An indoor visual axis azimuth angle measuring device utilizing laser projection transmission is characterized by comprising a detection assembly and a camera assembly, wherein the detection assembly comprises a two-dimensional horizontal type turntable mechanism and an angle sensor, and the angle sensor is arranged on the two-dimensional horizontal type turntable mechanism; a first laser is arranged on the two-dimensional horizontal type turntable mechanism; the camera assembly is provided with a second laser, and a first projection line of the first laser on a plane where the observed object is located and a second projection line of the second laser on the plane where the observed object is located are on the same straight line.
2. The apparatus of claim 1, wherein the detection assembly is located above the observed object, and the first projection line is moved to the observed object position by adjusting a pitch angle of the two-dimensional horizontal turntable mechanism.
3. The apparatus of claim 1, wherein the two-dimensional ground-based turntable mechanism comprises a turntable base, a turntable azimuth axis, and a turntable pitch axis; the rotary table azimuth shaft is connected to the rotary table base, the rotary table pitching shaft is rotatably connected to the rotary table azimuth shaft, and the first laser is connected to the rotary table pitching shaft.
4. The apparatus of claim 3, wherein the turntable azimuth axis is plumbed and the first laser beam of the first laser is in a plane parallel to the turntable pitch axis.
5. The apparatus of claim 1, wherein the camera assembly comprises a tripod and a camera mechanism, the camera and the second laser are both disposed on the tripod, and a plane of the second laser is parallel to a visual axis of the camera.
6. The indoor boresight azimuth angle measurement device using laser projection transfer according to claim 5, wherein the tripod comprises a tripod head and tripod legs; the tripod head is connected to the tripod supporting legs, and when the tripod head base surface of the tripod is parallel to the plane where the observed object is located, the plane where the second laser of the second laser is located is perpendicular to the plane where the observed object is located.
7. The apparatus of claim 5, wherein the camera mechanism comprises a camera and a mounting plate, the mounting plate is mounted on the tripod, and the camera and the second laser are mounted on the mounting plate.
8. The apparatus of claim 7, wherein the visual axis of the camera is directed to the observed object.
9. The indoor visual axis azimuth angle measuring device utilizing laser projection transmission of claim 7, wherein the second laser is located at one side of the mounting board facing the plane of the observed object, and the plane of the second laser emitted by the second laser forms a second projection line on the plane of the observed object.
10. The apparatus of claim 1, wherein the first laser and the second laser are both line lasers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020518619.2U CN211855277U (en) | 2020-04-09 | 2020-04-09 | Indoor visual axis azimuth angle measuring device utilizing laser projection transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020518619.2U CN211855277U (en) | 2020-04-09 | 2020-04-09 | Indoor visual axis azimuth angle measuring device utilizing laser projection transmission |
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| CN211855277U true CN211855277U (en) | 2020-11-03 |
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