CN113820105A - Power testing method and device for laser - Google Patents
Power testing method and device for laser Download PDFInfo
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- CN113820105A CN113820105A CN202111374950.7A CN202111374950A CN113820105A CN 113820105 A CN113820105 A CN 113820105A CN 202111374950 A CN202111374950 A CN 202111374950A CN 113820105 A CN113820105 A CN 113820105A
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Abstract
The application provides a power test method and a device of a laser, the power test method of the laser is applied to a power test system of the laser, the power test system of the laser comprises a computer device, a shell, a regulating device, a power meter and a camera, the regulating device, the power meter and the camera are installed in the shell, the laser is detachably connected to the regulating device, a target device which is rotatably connected with the power meter is arranged on the power meter, a target mark is arranged on the target device, and the power test method of the laser comprises the following steps: controlling the target device to rotate to a first preset position, aligning the target device with the power meter when the target device is at the first preset position, and positioning the target device between the power meter and the laser device; controlling a laser to irradiate laser on a target device; controlling the adjusting device to move until the laser is aligned with the target device; after the laser and the target device are aligned, the target device is controlled to rotate to a second preset position, so that the laser irradiates laser on the power meter, and the power of the laser is obtained. The power test efficiency of the laser is improved.
Description
Technical Field
The application mainly relates to the technical field of laser testing, in particular to a method and a device for testing power of a laser.
Background
In the prior art, the power of the optical fiber laser needs to be tested in the production process and the final debugging link. The existing testing mode mainly depends on manually placing a laser on a fixed seat, and then manually adjusting the distance between the laser and a power meter. The distance adjustment mainly depends on the experience value of staff, in addition, in the practical test, the staff is required to hold the red light power meter to test the red light power value of the laser, and the method for testing the laser power according to the manual experience has lower efficiency.
That is, the power testing method of the laser in the prior art is low in efficiency.
Disclosure of Invention
The application provides a power test method and device of a laser, and aims to solve the problem that the power test method of the laser in the prior art is low in efficiency.
In a first aspect, the present application provides a power testing method for a laser, which is applied to a power testing system for a laser, where the power testing system for a laser includes a computer device, a housing, an adjusting device installed in the housing, a power meter, and a camera, the laser is detachably connected to the adjusting device, a target device is provided on the power meter, the target device is rotatably connected to the power meter, a target mark is provided on the target device, the computer device is configured to execute the power testing method for a laser, and the power testing method for a laser includes:
controlling the target device to rotate to a first preset position, wherein the target device is aligned with the power meter when in the first preset position, and the target device is positioned between the power meter and the laser;
controlling the laser to irradiate laser on the target device;
controlling the adjusting device to move to align the laser with the target device;
after the laser device is aligned with the target device, the target device is controlled to rotate to a second preset position, so that the laser device irradiates laser on the power meter, and the power of the laser device is obtained.
Optionally, the laser irradiates on the target device to generate a circular laser spot, the target device includes a spot mark thereon, the adjusting device includes a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for controlling the laser to move in a first direction, the second adjusting mechanism is used for controlling the laser to move in a second direction, and the first direction and the second direction are both parallel to the rotation plane of the target device;
the controlling the adjustment device to move the laser into alignment with the target, including:
judging whether the circle center of the circular laser spot is superposed with the point mark;
if the circle center of the circular laser spot is not superposed with the point mark; and controlling the first adjusting mechanism to move the laser in the first direction and controlling the second adjusting mechanism to move the laser in the second direction so as to enable the circle center of the circular laser spot to coincide with the point mark.
Optionally, a horizontal axis of a camera coordinate system of the camera is parallel to the first direction, and a vertical axis of the camera coordinate system of the camera is parallel to the second direction;
if the circle center of the circular laser spot is not superposed with the point mark; controlling the first adjustment mechanism to move the laser in the first direction and controlling the second adjustment mechanism to move the laser in the second direction so that the center of the circular laser spot coincides with the point mark, including:
if the circle center of the circular laser spot is not superposed with the point mark; controlling the first adjusting mechanism to move the laser in the first direction and controlling the second adjusting mechanism to move the laser in the second direction so that the circle center of the circular laser spot is coincident with the point mark;
if the circle center of the circular laser spot is not overlapped with the point identifier, determining the horizontal axis coordinate deviation and the vertical axis coordinate deviation of the circle center of the circular laser spot and the point identifier;
converting the cross-axis coordinate deviation and the longitudinal-axis coordinate deviation into a first moving distance of the laser in the first direction and a second moving distance of the laser in the second direction;
and controlling the first adjusting mechanism to drive the laser to move the first moving distance in the first direction, and controlling the second adjusting mechanism to drive the laser to move the second moving distance in the second direction, so that the circle center of the circular laser spot is overlapped with the point mark.
Optionally, the controlling the first adjusting mechanism to move the laser in the first direction and the controlling the second adjusting mechanism to move the laser in the second direction so that the center of the circular laser spot coincides with the point mark, then includes:
judging whether the circular laser light spot is matched with a target mark on the target device;
and if the circular laser spot is matched with the target mark on the target device, determining that the laser device is aligned with the target device.
Optionally, the target device includes a first circular identifier and a second circular identifier, the circle centers of the first circular identifier and the second circular identifier are the point identifiers, and the determining whether the circular laser spot is matched with the target identifier on the target device includes:
judging whether the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls out of the second circular mark;
if the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls into the second circular mark, determining that the circular laser spot is matched with a target mark on the target device; and if the circular outer contour of the circular laser spot does not completely fall into the first circular mark or completely fall out of the second circular mark, determining that the circular laser spot is not matched with the target mark on the target device.
Optionally, the adjusting device includes a third adjusting mechanism, the third adjusting mechanism is configured to control the laser to move in a third direction, the third direction is perpendicular to the rotation plane of the target, and the power testing method of the laser further includes:
if the circular laser spot is not matched with the target mark on the target device; the third adjustment mechanism is controlled to move the target in the third direction to match the circular laser spot with the target mark on the target.
Optionally, the controlling the target device to rotate to a first preset position includes:
shooting the target device to obtain a current target image;
acquiring a reference target image, wherein the reference target image is an image shot by the camera when the target device is aligned with the power meter history;
matching the current target image with the reference target image, and judging whether a target identifier on the reference target image is overlapped with a target identifier of the current target image;
and if the target mark on the reference target image is superposed with the target mark of the current target image, determining that the target marker rotates to a first preset position.
In a second aspect, the present application provides a power testing device of laser instrument, is applied to the power test system of laser instrument, the power test system of laser instrument includes computer equipment, casing, install in adjusting device, power meter, camera in the casing, the laser instrument can dismantle connect in on the adjusting device, be equipped with on the power meter with the target ware of power meter rotation connection, be equipped with the mark on the target ware, be integrated with in the computer equipment the power testing device of laser instrument, the power testing device of laser instrument includes:
the first rotation control unit is used for controlling the target device to rotate to a first preset position, the target device is aligned with the power meter when in the first preset position, and the target device is positioned between the power meter and the laser device;
the laser control unit is used for controlling the laser to irradiate laser on the target device;
the alignment control unit is used for controlling the adjusting device to move until the laser is aligned with the target device;
and the second rotation control unit is used for controlling the target device to rotate to a second preset position after the laser device is aligned with the target device, so that the laser device irradiates laser on the power meter to obtain the power of the laser device.
Optionally, the laser irradiates on the target device to generate a circular laser spot, the target device includes a spot mark thereon, the adjusting device includes a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for controlling the laser to move in a first direction, the second adjusting mechanism is used for controlling the laser to move in a second direction, and the first direction and the second direction are both parallel to the rotation plane of the target device;
the alignment control unit is configured to:
judging whether the circle center of the circular laser spot is superposed with the point mark;
if the circle center of the circular laser spot is not superposed with the point mark; and controlling the first adjusting mechanism to move the laser in the first direction and controlling the second adjusting mechanism to move the laser in the second direction so as to enable the circle center of the circular laser spot to coincide with the point mark.
Optionally, a horizontal axis of a camera coordinate system of the camera is parallel to the first direction, and a vertical axis of the camera coordinate system of the camera is parallel to the second direction;
the alignment control unit is configured to:
if the circle center of the circular laser spot is not overlapped with the point identifier, determining the horizontal axis coordinate deviation and the vertical axis coordinate deviation of the circle center of the circular laser spot and the point identifier;
converting the cross-axis coordinate deviation and the longitudinal-axis coordinate deviation into a first moving distance of the laser in the first direction and a second moving distance of the laser in the second direction;
and controlling the first adjusting mechanism to drive the laser to move the first moving distance in the first direction, and controlling the second adjusting mechanism to drive the laser to move the second moving distance in the second direction, so that the circle center of the circular laser spot is overlapped with the point mark.
Optionally, the alignment control unit is configured to:
judging whether the circular laser light spot is matched with a target mark on the target device;
and if the circular laser spot is matched with the target mark on the target device, determining that the laser device is aligned with the target device.
Optionally, the target marker includes a first circular mark and a second circular mark, the circle centers of the first circular mark and the second circular mark are the point marks, and the alignment control unit is configured to:
judging whether the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls out of the second circular mark;
if the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls into the second circular mark, determining that the circular laser spot is matched with a target mark on the target device; and if the circular outer contour of the circular laser spot does not completely fall into the first circular mark or completely fall out of the second circular mark, determining that the circular laser spot is not matched with the target mark on the target device.
Optionally, the adjusting device includes a third adjusting mechanism for controlling the laser to move in a third direction, the third direction being perpendicular to the rotation plane of the target, and the alignment control unit is configured to:
if the circular laser spot is not matched with the target mark on the target device; the third adjustment mechanism is controlled to move the target in the third direction to match the circular laser spot with the target mark on the target.
Optionally, the first rotation control unit is configured to:
shooting the target device to obtain a current target image;
acquiring a reference target image, wherein the reference target image is an image shot by the camera when the target device is aligned with the power meter history;
matching the current target image with the reference target image, and judging whether a target identifier on the reference target image is overlapped with a target identifier of the current target image;
and if the target mark on the reference target image is superposed with the target mark of the current target image, determining that the target marker rotates to a first preset position.
In a third aspect, the present application provides a computer device comprising:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the method of power testing of a laser of any of the first aspects.
In a fourth aspect, the present application provides a computer-readable storage medium storing a plurality of instructions, the instructions being suitable for being loaded by a processor to perform the steps in the method for power testing of a laser according to any one of the first aspect.
The application provides a power test method and a device of a laser, the power test method of the laser is applied to a power test system of the laser, the power test system of the laser comprises computer equipment, a shell, a regulating device installed in the shell, a power meter and a camera, the laser is detachably connected to the regulating device, a target device rotationally connected with the power meter is arranged on the power meter, a target mark is arranged on the target device, the computer equipment is used for executing the power test method of the laser, and the power test method of the laser comprises the following steps: controlling the target device to rotate to a first preset position, aligning the target device with the power meter when the target device is at the first preset position, and positioning the target device between the power meter and the laser device; controlling a laser to irradiate laser on a target device; controlling the adjusting device to move until the laser is aligned with the target device; after the laser and the target device are aligned, the target device is controlled to rotate to a second preset position, so that the laser irradiates laser on the power meter, and the power of the laser is obtained. According to the power test method of the laser, the target device is controlled to rotate to the first preset position aligned with the power meter, laser is irradiated on the target device, the laser is adjusted to be aligned with the target device through the adjusting device, then the target device is moved away to perform power test, the power test automation of the laser can be achieved, and the power test efficiency of the laser is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a power testing system of a laser according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of an embodiment of a power testing system of a laser according to the present disclosure;
fig. 3 is a schematic structural diagram of a power test system of a laser device provided in an embodiment of the present application, in which a front case and a first side frame body are removed;
fig. 4 is a schematic structural diagram of a power testing system of a laser according to an embodiment of the present disclosure, in which a front case is removed;
fig. 5 is a schematic structural diagram of a power testing system of a laser according to an embodiment of the present disclosure, in which laser is irradiated onto a target;
FIG. 6 is a schematic flow chart diagram illustrating one embodiment of a method for power testing of a laser provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of an embodiment of a power testing apparatus for a laser provided in an embodiment of the present application;
fig. 8 is a schematic structural diagram of an embodiment of a computer device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. 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 features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiments of the present application provide a method and an apparatus for testing power of a laser, which are described in detail below.
Referring to fig. 1, fig. 1 is a schematic view of a power testing system of a laser according to an embodiment of the present disclosure, where the power testing system of the laser may include a computer device 180, and a power testing apparatus of the laser is integrated in the computer device 180.
In this embodiment, the computer device 180 may be an independent server, or may be a server network or a server cluster composed of servers, for example, the computer device 180 described in this embodiment includes, but is not limited to, a computer, a network host, a single network server, a plurality of network server sets, or a cloud server composed of a plurality of servers. Among them, the Cloud server is constituted by a large number of computers or web servers based on Cloud Computing (Cloud Computing).
In this embodiment, the computer device 180 may be a general-purpose computer device or a special-purpose computer device. In a specific implementation, the computer device 180 may be a desktop computer, a laptop computer, a web server, a Personal Digital Assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, a communication device, an embedded device, and the like, and the embodiment does not limit the type of the computer device 180.
It will be understood by those skilled in the art that the application environment shown in fig. 1 is only one application scenario of the present application, and does not constitute a limitation on the application scenario of the present application, and that other application environments may further include more or less computer devices than those shown in fig. 1, for example, only 1 computer device is shown in fig. 1, and it is understood that the power testing system of the laser may further include one or more other computer devices capable of processing data, and is not limited herein.
Further, referring to fig. 2-5, in the embodiment of the present application, the power testing system 10 of the laser includes a computer device 180, a housing 11, an adjusting device 120 installed in the housing 11, a power meter 150, and a camera 140, wherein the laser 130 is detachably connected to the adjusting device 120, the power meter 150 is provided with a target 160 rotatably connected to the power meter 150, and the target 160 is provided with a target mark 164.
Further, laser 130 irradiates on target 160 to generate circular laser spot 169, target 160 includes spot sign 163, and adjusting device 120 includes first adjusting mechanism 122 and second adjusting mechanism 123, where first adjusting mechanism 122 is used to control laser 130 to move in first direction F1, and second adjusting mechanism 123 is used to control laser 130 to move in second direction F2, and first direction F1 and second direction F2 are both parallel to the rotation plane of target 160. Specifically, the first adjustment mechanism 122 includes a first drive rail 1221 extending in the first direction F1 and a first base 1222 on the first drive rail 1221. The second adjustment mechanism 123 is fixed to the first base 1222, and the first driving rail 1221 drives the first base 1222 to move in the first direction F1. The laser 130 is connected to the second adjustment mechanism 123 through the mounting chassis 131, the second adjustment mechanism 123 drives the mounting chassis 131 to move in the second direction F2, and the laser 130 is detachably connected to the mounting chassis 131.
Specifically, the case 11 includes a front case 111, a first side case 112, a rear case 113, and a second side case 114. The camera 140 is mounted on the first side housing 112 and the power meter 150 is mounted on the second side housing 114. The first side housing 112 is provided with a hole 115, and the laser 130 is detachably connected to the adjusting device 120 through the hole 115. Specifically, the laser 130 may be removably attached to the mounting chassis 131 through the aperture 115.
Further, a horizontal axis X of the camera coordinate system of the camera 140 is parallel to the first direction F1, and a vertical axis Y of the camera coordinate system of the camera 140 is parallel to the second direction F2.
Further, the target device 160 includes a first circle mark 161 and a second circle mark 162, and the centers of the first circle mark 161 and the second circle mark 162 are both point marks 163. The radius of the first circle indicator 161 is larger than the radius of the second circle indicator 162.
Further, adjustment device 120 includes a third adjustment mechanism 121, where third adjustment mechanism 121 is configured to control movement of laser 130 in a third direction F3, where third direction F3 is perpendicular to the plane of rotation of target device 160. The third adjustment mechanism 121 includes a third drive rail 1211 extending in the third direction F3 and a third base 1212 on the third drive rail 1211. The first driving rail 1221 is fixed to the third base 1212, and the third driving rail 1211 drives the third base 1212 to move in the third direction F3, so that the laser 130 moves in the third direction F3.
It should be noted that the scenario diagram of the power testing system 10 of the laser shown in fig. 1 is merely an example, the power testing system 10 of the laser and the scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not form a limitation on the technical solution provided in the embodiment of the present application, and as a person having ordinary skill in the art will appreciate, along with the evolution of the power testing system 10 of the laser and the appearance of a new business scenario, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems.
First, an embodiment of the present application provides a power testing method for a laser, which is applied to a power testing system for a laser, where the power testing system for a laser includes a computer device, a housing, an adjusting device installed in the housing, a power meter, and a camera, the laser is detachably connected to the adjusting device, the power meter is provided with a target device rotatably connected to the power meter, the target device is provided with a target mark, the computer device is configured to execute the power testing method for the laser, and the power testing method for a laser includes: controlling the target device to rotate to a first preset position, aligning the target device with the power meter when the target device is at the first preset position, and positioning the target device between the power meter and the laser device; controlling a laser to irradiate laser on a target device; controlling the adjusting device to move until the laser is aligned with the target device; after the laser and the target device are aligned, the target device is controlled to rotate to a second preset position, so that the laser irradiates laser on the power meter, and the power of the laser is obtained.
As shown in fig. 6, fig. 6 is a schematic flowchart of an embodiment of a method for testing power of a laser in the embodiment of the present application, where the method for testing power of a laser includes the following steps S201 to S204:
s201, controlling the target device to rotate to a first preset position, aligning the target device with the power meter when the target device is at the first preset position, and enabling the target device to be located between the power meter and the laser device.
The target device 160 can be controlled by the servo motor to rotate to a first preset position, and the servo motor is controlled to rotate by a preset angle, so that the target device 160 can be rotated to the first preset position. However, the target 160 may be movable, and after the target 160 is used for multiple times, it may happen that the target 160 does not rotate to the first predetermined position after the target 160 is controlled by the servo motor to rotate by a predetermined angle, and therefore, it is necessary to determine whether the target 160 moves to the first predetermined position.
In this application embodiment, control target ware rotates to first preset position, includes:
(1) the target 160 is photographed to obtain the current target image.
(2) A reference target image is acquired, where the reference target image is an image captured by camera 140 when target 160 is historically aligned with power meter 150.
Specifically, the target 160 may be aligned with the power meter 150 manually in advance, and the target 160 is located at the first preset position, and the captured image is the reference target image.
(3) The current target image is matched with the reference target image to determine whether the target mark 164 on the reference target image coincides with the target mark 164 on the current target image.
In a specific embodiment, it is determined whether the similarity between the current target image and the reference target image is greater than a predetermined similarity, and if the similarity between the current target image and the reference target image is greater than the predetermined similarity, it is determined that the target mark 164 on the reference target image coincides with the target mark 164 on the current target image; if the similarity between the current target image and the reference target image is not greater than the preset similarity, it is determined that the target mark 164 on the reference target image and the target mark 164 on the current target image do not coincide. The preset similarity can be 90%, and the preset similarity can be set according to specific conditions. If the positions of the target mark 164 on the reference target image and the target mark 164 on the current target image are shifted, the similarity between the reference target image and the current target image is small, and if the positions of the target mark 164 on the reference target image and the target mark 164 on the current target image are not shifted, the reference target image and the current target image should theoretically be the same image, so that whether the target mark 164 on the reference target image and the target mark 164 on the current target image coincide or not can be judged according to the similarity between the reference target image and the current target image.
(4) If the target mark 164 on the reference target image coincides with the target mark 164 on the current target image, it is determined that the target 160 has rotated to the first predetermined position.
If the target mark 164 on the reference target image coincides with the target mark 164 on the current target image, it is determined that the target 160 has been rotated to the first predetermined position, indicating that the target 160 has moved to a designated position aligned with the power meter 150, at which point the next steps can begin.
If the target mark 164 on the reference target image does not coincide with the target mark 164 of the current target image, the target 160 is controlled to rotate, and the current target image is acquired again until the target mark 164 on the reference target image coincides with the target mark 164 of the current target image, and it is determined that the target 160 rotates to the first preset position.
S202, controlling the laser to irradiate the laser on the target device.
And S203, controlling the adjusting device to move until the laser is aligned with the target device.
In the embodiment of the present application, laser 130 irradiates on target 160 to generate circular laser spot 169, target 160 includes spot sign 163, and adjusting device 120 includes first adjusting mechanism 122 and second adjusting mechanism 123, where first adjusting mechanism 122 is used to control laser 130 to move in first direction F1, and second adjusting mechanism 123 is used to control laser 130 to move in second direction F2, and first direction F1 and second direction F2 are both parallel to the rotation plane of target 160. Controlling the adjustment device 120 to move the laser 130 into alignment with the target device includes:
(1) it is determined whether the center of the circular laser spot 169 coincides with the spot sign 163.
In a specific embodiment, the input judgment result is obtained by judging whether the center of the circle of the circular laser spot 169 coincides with the point mark 163 by naked eyes, and whether the center of the circle of the circular laser spot 169 coincides with the point mark 163 is determined.
In another embodiment, after the power meter 150 and the target 160 are aligned and the target 160 is photographed using the camera 140, the target mark 164 appears in a fixed position in the photographed image. Therefore, the coordinates of the center of the circular laser spot 169 can be acquired from the coordinates of the point mark 163 acquired from the reference target image, and if the coordinates of the point mark 163 are the same as the coordinates of the center of the circular laser spot 169, it is determined that the center of the circular laser spot 169 coincides with the point mark 163.
(2) If the circle center of the circular laser spot 169 is not overlapped with the point mark 163; the first adjustment mechanism 122 is controlled to move the laser 130 in the first direction F1 and the second adjustment mechanism 123 is controlled to move the laser 130 in the second direction F2 so that the center of the circular laser spot 169 coincides with the spot identity 163.
In a specific embodiment, if the center of the circular laser spot 169 does not coincide with the point mark 163, determining the coordinate deviation of the horizontal axis and the coordinate deviation of the vertical axis of the circular laser spot 169 and the point mark 163, and converting the coordinate deviation of the horizontal axis and the coordinate deviation of the vertical axis into a first moving distance of the laser 130 in the first direction F1 and a second moving distance of the laser 130 in the second direction F2; the first adjustment mechanism 122 is controlled to drive the laser 130 to move a first movement distance in the first direction F1, and the second adjustment mechanism 123 is controlled to drive the laser 130 to move a second movement distance in the second direction F2, so that the center of the circular laser spot 169 coincides with the point mark 163. Specifically, the horizontal axis X in the camera coordinate system is parallel to the first direction F1, and the vertical axis Y in the camera coordinate system is parallel to the second direction F2, which can be achieved by adjusting the installation position of the camera 140.
Taking the horizontal axis X as an example, assuming that the horizontal axis coordinate deviation is calculated as hv _ difRow, the first moving distance to move the laser 130 in the first direction F1 is hv _ difRow a1, where a1 is based on a preset ratio, for example 815.35. So that the laser 130 can be rapidly moved to the position where the center of the circular laser spot 169 coincides with the point mark 163 according to the coordinate deviation of the horizontal axis and the coordinate deviation of the vertical axis.
And S204, after the laser and the target device are aligned, controlling the target device to rotate to a second preset position so that the laser irradiates the laser on the power meter to obtain the power of the laser.
The use of the target 160 to block the laser during calibration of the laser 130 avoids damage to the power meter 150 from the laser during calibration. After the laser 130 is aligned with the target 160, the target 160 is controlled to rotate to a second predetermined position, so that the laser 130 irradiates the laser onto the power meter 150 to obtain the power of the laser 130.
In a specific embodiment, after controlling the first adjustment mechanism 122 to move the laser 130 in the first direction F1 and controlling the second adjustment mechanism 123 to move the laser 130 in the second direction F2 so that the center of the circular laser spot 169 coincides with the spot indicator 163, the method comprises: judging whether the circular laser spot 169 is matched with the target mark 164 on the target device 160; if the circular laser spot 169 matches the target mark 164 on the target 160, it is determined that the laser 130 is aligned with the target 160.
In one specific embodiment, the target device 160 includes a first circle mark 161 and a second circle mark 162, the circle centers of the first circle mark 161 and the second circle mark 162 are point marks 163, and the determining whether the circular laser spot 169 matches the target mark 164 on the target device 160 includes:
(1) and judging whether the circular outer contour of the circular laser spot 169 completely falls into the first circular mark 161 and completely falls out of the second circular mark 162.
In a specific embodiment, the area of the first circular mark 161 may be 80% of the area of the preset mark, and the area of the second circular mark 162 may be 60% of the area of the preset mark, which may be set according to specific situations, for example, the area of the preset mark is the maximum inscribed circle of the target 160. If the circular outer contour of the circular laser spot 169 does not completely fall within the first circular mark 161, it indicates that the laser irradiation area is large, and a part of the light may be irradiated outside the target 160, which may cause an error in calculating the laser contour area. If the circular outer contour of the circular laser spot 169 does not completely fall outside the second circular mark 162, laser focus may be caused, which may damage the target 160. Thus, it is necessary to ensure that the circular outer contour of the circular laser spot 169 falls completely within the first circular indicia 161 and completely outside the second circular indicia 162.
(2) If the circular outer contour of the circular laser spot 169 falls completely within the first circular mark 161 and completely within the second circular mark 162, determining that the circular laser spot 169 matches the target mark 164 on the target device 160; if the circular outer contour of the circular laser spot 169 does not completely fall within the first circular mark 161 or completely fall within the second circular mark 162, the circular laser spot 169 is determined not to match the target mark 164 on the target 160.
In another specific embodiment, target 160 includes only one circular target indicia. The laser profile area of the laser circular profile is determined, for example, the laser profile area of the laser circular profile is S1. The target area of the circular target mark is obtained and may be stored in advance, for example, the target area of the circular target mark is S2. And judging whether the area ratio of the laser outline area to the target area is smaller than the first area ratio and larger than the second area ratio. Specifically, the first area ratio is 80%. The second area ratio is 60%, wherein the first area ratio is less than 1. If the ratio of the laser profile area to the area of the target area is less than the first area ratio and greater than the second area ratio, then it is determined that the circular laser spot 169 matches the target mark 164 on the target 160; the ratio of the area of the laser profile to the area of the target area is not less than the first area ratio or not greater than the second area ratio, and it is determined that the circular laser spot 169 does not match the target mark 164 on the target 160.
Further, the adjusting device 120 includes a third adjusting mechanism 121, the third adjusting mechanism 121 is configured to control the laser 130 to move in a third direction F3, the third direction F3 is perpendicular to the rotation plane of the target 160, and the method for testing the power of the laser further includes:
if the circular laser spot 169 does not match the target mark 164 on the target 160; the third adjustment mechanism 121 is controlled to move the target 160 in the third direction F3 to match the circular laser spot 169 with the target mark 164 on the target 160.
For example, if the circular outer contour of the circular laser spot 169 does not completely fall within the first circular mark 161, the third adjustment mechanism 121 is controlled to approach the target 160 in the third direction F3; if the circular outer contour of the circular laser spot 169 does not completely fall outside the second circular mark 162, the third adjustment mechanism 121 is controlled to move away from the target 160 in the third direction F3.
In order to better implement the power testing method of the laser in the embodiment of the present application, on the basis of the power testing method of the laser, the embodiment of the present application further provides a power testing apparatus 300 of the laser, which is applied to a power testing system of the laser, the power testing system of the laser includes a computer device, a housing, an adjusting apparatus installed in the housing, a power meter, and a camera, the laser is detachably connected to the adjusting apparatus, the power meter is provided with a target device rotatably connected with the power meter, the target device is provided with a target mark, as shown in fig. 7, the power testing apparatus 300 of the laser includes:
the first rotation control unit 301 is used for controlling the target device to rotate to a first preset position, the target device is aligned with the power meter when in the first preset position, and the target device is positioned between the power meter and the laser device;
a laser control unit 302 for controlling the laser to irradiate the laser on the target device;
an alignment control unit 303, configured to control the adjusting device to move to align the laser with the target device;
and the second rotation control unit 304 is configured to control the target device to rotate to a second preset position after the laser device is aligned with the target device, so that the laser device irradiates the laser on the power meter to obtain the power of the laser device.
Optionally, the laser irradiates on the target device to generate a circular laser spot, the target device includes a spot identifier, the adjusting device includes a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for controlling the laser to move in a first direction, the second adjusting mechanism is used for controlling the laser to move in a second direction, and both the first direction and the second direction are parallel to the rotation plane of the target device;
an alignment control unit 303 for:
judging whether the circle center of the circular laser spot is superposed with the point mark;
if the circle center of the circular laser spot is not superposed with the point mark; the first adjusting mechanism is controlled to move the laser in the first direction and the second adjusting mechanism is controlled to move the laser in the second direction, so that the circle center of the circular laser spot is overlapped with the point mark.
Optionally, a horizontal axis of a camera coordinate system of the camera is parallel to the first direction, and a vertical axis of the camera coordinate system of the camera is parallel to the second direction;
an alignment control unit 303 for:
if the circle center of the circular laser spot is not overlapped with the point mark, determining the coordinate deviation of the circle center of the circular laser spot and the horizontal axis and the coordinate deviation of the vertical axis of the point mark;
converting the horizontal axis coordinate deviation and the vertical axis coordinate deviation into a first moving distance of the laser in a first direction and a second moving distance of the laser in a second direction;
and controlling the first adjusting mechanism to drive the laser to move a first moving distance in the first direction, and controlling the second adjusting mechanism to drive the laser to move a second moving distance in the second direction, so that the circle center of the circular laser spot is coincided with the point mark.
Optionally, the alignment control unit 303 is configured to:
judging whether the circular laser spot is matched with a target mark on a target device;
and if the circular laser spot is matched with the target mark on the target device, determining that the laser device is aligned with the target device.
Optionally, the target marker includes a first circular identifier and a second circular identifier, the circle centers of the first circular identifier and the second circular identifier are both point identifiers, and the alignment control unit 303 is configured to:
judging whether the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls out of the second circular mark;
if the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls into the second circular mark, determining that the circular laser spot is matched with the target mark on the target device; and if the circular outer contour of the circular laser spot does not completely fall into the first circular mark or completely fall out of the second circular mark, determining that the circular laser spot is not matched with the target mark on the target device.
Optionally, the adjusting device includes a third adjusting mechanism for controlling the laser to move in a third direction, the third direction being perpendicular to the plane of rotation of the target device, and an alignment control unit 303 for:
if the circular laser facula is not matched with the target mark on the target device; the third adjustment mechanism is controlled to move the target in a third direction to match the circular laser spot with the target mark on the target.
Optionally, a first rotation control unit 301 for:
shooting a target device to obtain a current target image;
acquiring a reference target image, wherein the reference target image is an image shot by a camera when a target device is aligned with the history of the power meter;
matching the current target image with the reference target image, and judging whether a target mark on the reference target image is overlapped with a target mark of the current target image;
and if the target mark on the reference target image is superposed with the target mark of the current target image, determining that the target device rotates to a first preset position.
An embodiment of the present application further provides a computer device, which integrates the power testing apparatus for any one of the lasers provided in the embodiment of the present application, where the computer device includes:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor for performing the steps of the method for power testing of a laser in any of the above embodiments of the method for power testing of a laser.
Fig. 8 is a schematic diagram showing a structure of a computer device according to an embodiment of the present application, specifically:
the computer device may include components such as a processor 401 of one or more processing cores, memory 402 of one or more computer-readable storage media, a power supply 403, and an input unit 404. Those skilled in the art will appreciate that the computer device configurations illustrated in the figures are not meant to be limiting of computer devices and may include more or fewer components than those illustrated, or some components may be combined, or a different arrangement of components. Wherein:
the processor 401 is a control center of the computer device, connects various parts of the entire computer device using various interfaces and lines, and performs various functions of the computer device and processes data by running or executing software programs and/or modules stored in the memory 402 and calling data stored in the memory 402, thereby monitoring the computer device as a whole. Optionally, processor 401 may include one or more processing cores; the Processor 401 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, preferably the processor 401 may integrate an application processor, which handles primarily the operating system, user interfaces, application programs, etc., and a modem processor, which handles primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 401.
The memory 402 may be used to store software programs and modules, and the processor 401 executes various functional applications and data processing by operating the software programs and modules stored in the memory 402. The memory 402 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data created according to use of the computer device, and the like. Further, the memory 402 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 402 may also include a memory controller to provide the processor 401 access to the memory 402.
The computer device further comprises a power supply 403 for supplying power to the various components, and preferably, the power supply 403 is logically connected to the processor 401 via a power management system, so that functions of managing charging, discharging, and power consumption are implemented via the power management system. The power supply 403 may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
The computer device may also include an input unit 404, the input unit 404 being operable to receive input numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.
Although not shown, the computer device may further include a display unit and the like, which are not described in detail herein. Specifically, in this embodiment, the processor 401 in the computer device loads the executable file corresponding to the process of one or more application programs into the memory 402 according to the following instructions, and the processor 401 runs the application programs stored in the memory 402, thereby implementing various functions as follows:
controlling the target device to rotate to a first preset position, aligning the target device with the power meter when the target device is at the first preset position, and positioning the target device between the power meter and the laser device;
controlling a laser to irradiate laser on a target device;
controlling the adjusting device to move until the laser is aligned with the target device;
after the laser and the target device are aligned, the target device is controlled to rotate to a second preset position, so that the laser irradiates laser on the power meter, and the power of the laser is obtained.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present application provides a computer-readable storage medium, which may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like. The computer program is loaded by a processor to execute the steps in any one of the methods for testing the power of the laser provided by the embodiments of the present application. For example, the computer program may be loaded by a processor to perform the steps of:
controlling the target device to rotate to a first preset position, aligning the target device with the power meter when the target device is at the first preset position, and positioning the target device between the power meter and the laser device;
controlling a laser to irradiate laser on a target device;
controlling the adjusting device to move until the laser is aligned with the target device;
after the laser and the target device are aligned, the target device is controlled to rotate to a second preset position, so that the laser irradiates laser on the power meter, and the power of the laser is obtained.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
In a specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as one or several entities, and the specific implementation of each unit or structure may refer to the foregoing method embodiment, which is not described herein again.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
The above detailed description is provided for a method and an apparatus for testing power of a laser device according to an embodiment of the present application, and a specific example is applied in the detailed description to explain the principle and the implementation manner of the present application, and the description of the above embodiment is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A power test method of a laser is characterized in that the power test method is applied to a power test system of the laser, the power test system of the laser comprises a computer device, a shell, a regulating device installed in the shell, a power meter and a camera, the laser is detachably connected to the regulating device, a target device rotatably connected with the power meter is arranged on the power meter, a target mark is arranged on the target device, the computer device is used for executing the power test method of the laser, and the power test method of the laser comprises the following steps:
controlling the target device to rotate to a first preset position, wherein the target device is aligned with the power meter when in the first preset position, and the target device is positioned between the power meter and the laser;
controlling the laser to irradiate laser on the target device;
controlling the adjusting device to move to align the laser with the target device;
after the laser device is aligned with the target device, the target device is controlled to rotate to a second preset position, so that the laser device irradiates laser on the power meter, and the power of the laser device is obtained.
2. The method for power testing of a laser according to claim 1, wherein the laser irradiates on the target device to generate a circular laser spot, the target device comprises a spot mark, the adjusting device comprises a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for controlling the laser to move in a first direction, the second adjusting mechanism is used for controlling the laser to move in a second direction, and the first direction and the second direction are both parallel to the rotation plane of the target device;
the controlling the adjustment device to move the laser into alignment with the target, including:
judging whether the circle center of the circular laser spot is superposed with the point mark;
if the circle center of the circular laser spot is not superposed with the point mark; and controlling the first adjusting mechanism to move the laser in the first direction and controlling the second adjusting mechanism to move the laser in the second direction so as to enable the circle center of the circular laser spot to coincide with the point mark.
3. The method for power testing of a laser according to claim 2, wherein a horizontal axis of a camera coordinate system of the camera is parallel to the first direction and a vertical axis of the camera coordinate system of the camera is parallel to the second direction;
if the circle center of the circular laser spot is not superposed with the point mark; controlling the first adjustment mechanism to move the laser in the first direction and controlling the second adjustment mechanism to move the laser in the second direction so that the center of the circular laser spot coincides with the point mark, including:
if the circle center of the circular laser spot is not overlapped with the point identifier, determining the horizontal axis coordinate deviation and the vertical axis coordinate deviation of the circle center of the circular laser spot and the point identifier;
converting the cross-axis coordinate deviation and the longitudinal-axis coordinate deviation into a first moving distance of the laser in the first direction and a second moving distance of the laser in the second direction;
and controlling the first adjusting mechanism to drive the laser to move the first moving distance in the first direction, and controlling the second adjusting mechanism to drive the laser to move the second moving distance in the second direction, so that the circle center of the circular laser spot is overlapped with the point mark.
4. The method for power testing of a laser according to claim 2, wherein said controlling the first adjustment mechanism to move the laser in the first direction and controlling the second adjustment mechanism to move the laser in the second direction such that the center of the circular laser spot coincides with the point mark, comprises:
judging whether the circular laser light spot is matched with a target mark on the target device;
and if the circular laser spot is matched with the target mark on the target device, determining that the laser device is aligned with the target device.
5. The method as claimed in claim 4, wherein the target device includes a first circular mark and a second circular mark, the circle centers of the first circular mark and the second circular mark are both the point marks, and the determining whether the circular laser spot matches the target mark on the target device includes:
judging whether the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls out of the second circular mark;
if the circular outer contour of the circular laser spot completely falls into the first circular mark and completely falls into the second circular mark, determining that the circular laser spot is matched with a target mark on the target device; and if the circular outer contour of the circular laser spot does not completely fall into the first circular mark or completely fall out of the second circular mark, determining that the circular laser spot is not matched with the target mark on the target device.
6. The method for power testing of a laser according to claim 4, wherein the adjusting device comprises a third adjusting mechanism for controlling the laser to move in a third direction, the third direction being perpendicular to the rotation plane of the target, the method further comprising:
if the circular laser spot is not matched with the target mark on the target device; the third adjustment mechanism is controlled to move the target in the third direction to match the circular laser spot with the target mark on the target.
7. The method for power testing of a laser of claim 1, wherein said controlling said target to rotate to a first predetermined position comprises:
shooting the target device to obtain a current target image;
acquiring a reference target image, wherein the reference target image is an image shot by the camera when the target device is aligned with the power meter history;
matching the current target image with the reference target image, and judging whether a target identifier on the reference target image is overlapped with a target identifier of the current target image;
and if the target mark on the reference target image is superposed with the target mark of the current target image, determining that the target marker rotates to a first preset position.
8. The utility model provides a power testing arrangement of laser instrument, its characterized in that is applied to the power test system of laser instrument, the power test system of laser instrument includes computer equipment, casing, install in adjusting device, power meter, camera in the casing, the laser instrument can dismantle connect in on the adjusting device, be equipped with on the power meter with the power meter rotates the mark target ware of connecting, be equipped with the mark on the target ware, integrated in the computer equipment has the power testing arrangement of laser instrument, the power testing arrangement of laser instrument includes:
the first rotation control unit is used for controlling the target device to rotate to a first preset position, the target device is aligned with the power meter when in the first preset position, and the target device is positioned between the power meter and the laser device;
the laser control unit is used for controlling the laser to irradiate laser on the target device;
the alignment control unit is used for controlling the adjusting device to move until the laser is aligned with the target device;
and the second rotation control unit is used for controlling the target device to rotate to a second preset position after the laser device is aligned with the target device, so that the laser device irradiates laser on the power meter to obtain the power of the laser device.
9. A computer device, characterized in that the computer device comprises:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the method of power testing of a laser of any of claims 1 to 7.
10. A computer-readable storage medium, having stored thereon a computer program which is loaded by a processor to perform the steps of the method of power testing of a laser according to any of claims 1 to 7.
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