Mobile lighting device and online galvanometer correction system
通过设计可移动的移动照明装置和在线振镜校正系统,解决了振镜式3D打印设备内部照明不足的问题,实现了高精度的校正效果。
Patent Information
- Application Number
- CN202422331301.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-24
AI Technical Summary
The lighting conditions inside the existing galvanometer 3D printing equipment cannot meet the needs of image measurement, affecting the accuracy of the correction data.
A movable moving lighting device is designed, including a ring structure composed of a plurality of struts and cross frames, the light strips are rotatable and adjustable in height, for providing uniform and sufficient lighting conditions, and for online galvanometer correction in combination with a dot standard plate and camera.
By adjusting the angle and height of the light bar, the lighting requirements of image measurement are met, the correction accuracy is improved and the accuracy of the correction data is ensured.
Smart Images

Figure CN223085422U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of galvanometer correction, and particularly relates to a mobile lighting device and an on-line galvanometer correction system. Background Art
[0002] The correction of a galvanometer type 3D printing device is a key step to ensure printing accuracy and efficiency. In order to improve the correction efficiency and accuracy, currently, the on-line galvanometer correction is usually carried out by means of image measurement. The illumination conditions during image measurement have a great influence on the accuracy of the acquired data. However, currently, the correction can only be carried out under the illumination conditions built in the galvanometer type 3D printing device, which cannot meet the needs of image measurement and affects the accuracy of the correction data. Summary of the Utility Model
[0003] The purpose of this application is to provide a mobile lighting device and an on-line galvanometer correction system to solve the technical problem that in the prior art, the correction can only be carried out under the illumination conditions built in the galvanometer type 3D printing device, which cannot meet the needs of image measurement and affects the accuracy of the correction data.
[0004] To achieve the above purpose, in the first aspect of this application, a mobile lighting device is provided, including:
[0005] A plurality of struts, arranged at intervals in a ring shape;
[0006] A number of cross frames, respectively arranged between adjacent struts, and the number of cross frames cooperate to enclose an internal lighting space. The cross frame is provided with an opening on the side facing the lighting space, and an installation groove is provided inside the cross frame;
[0007] A light bar, arranged in the installation groove, the light bar extends along the extending direction of the cross frame, and a lighting surface is arranged on the side of the light bar facing the lighting space.
[0008] In one or more embodiments, a plurality of the cross frames arranged in a stacked manner are arranged between adjacent struts.
[0009] In one or more embodiments, the light bar is operably rotatably arranged to adjust the orientation of the lighting surface.
[0010] In one or more embodiments, an arc-shaped strip hole is provided on the strut, and the end of the light bar is installed on the strut through a fixing member passing through the arc-shaped strip hole, and the light bar is operably slidably arranged along the arc-shaped strip hole to adjust the orientation of the lighting surface.
[0011] In one or more embodiments, it further includes a plurality of adjustable feet corresponding to the plurality of columns one by one. Each adjustable foot is arranged at the bottom end of the corresponding column, and the height of the adjustable foot is adjustable.
[0012] In one or more embodiments, among the plurality of columns, the spacing between adjacent columns is equal.
[0013] In one or more embodiments, the light bar is arranged to extend from one end of the cross frame to the other end.
[0014] In one or more embodiments, it includes four columns distributed at the four corners of a square to form the square lighting space.
[0015] To achieve the above object, the second aspect of the present application provides an on-line galvanometer correction system, including:
[0016] The mobile lighting device according to any one of the above embodiments can be moved onto the forming substrate in the printer forming chamber;
[0017] A dot standard plate can be moved into the lighting space. Positioning dots are arranged on the dot standard plate at uniformly spaced intervals;
[0018] A measurement plate can be moved into the lighting space. The measurement plate includes a processing surface for the printer to print on;
[0019] A camera is arranged at the center position of the galvanometer in the printer forming chamber. The camera is used to collect images of the dot standard plate and the measurement plate.
[0020] In one or more embodiments, the sizes of the dot standard plate and the measurement plate match the size of the lighting space.
[0021] Different from the prior art, the beneficial effects of the present application are:
[0022] When the mobile lighting device of the present application performs on-line galvanometer correction, it can be moved onto the forming substrate in the printer forming chamber. By adjusting the angle and height of the light bar, sufficient and uniform lighting conditions in the lighting space are ensured, meeting the requirements of image measurement and ensuring the correction accuracy;
[0023] When the online galvanometer calibration system of this application conducts online galvanometer calibration, it can first place the mobile lighting device on the forming substrate in the printer forming chamber, adjust the angle and height of the light bar so that the lighting space is evenly and fully illuminated. Then place the dot standard plate in the lighting space, and the camera collects the dot image to calibrate the camera size. After that, place the measurement plate in the lighting space, control the printer to print dots on the measurement plate, and the camera collects the coordinates of the printed dots and compares them with the coordinates of the dots on the dot standard plate, thereby calculating the accuracy of the galvanometer and completing the galvanometer calibration to ensure the calibration accuracy. Brief Description of the Drawings
[0024] In order to more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0025] Figure 1 It is a schematic structural diagram of an embodiment of the mobile lighting device of this application;
[0026] Figure 2 It is a schematic cross-sectional structural diagram of an embodiment of the mobile lighting device of this application;
[0027] Figure 3 It is a schematic diagram of the working state of the mobile lighting device of this application;
[0028] Figure 4 It is a schematic diagram of the working state of the dot standard plate of this application;
[0029] Figure 5 It is a schematic diagram of the working state of the measurement plate of this application;
[0030] Figure 6 It is a schematic diagram of the working state of the camera of this application.
[0031] Main reference numeral descriptions:
[0032] Mobile lighting device 10; support column 101; arc-shaped strip hole 1011; cross frame 102; opening 1021; installation groove 1022; light bar 103; lighting space 104; adjustable support foot 105;
[0033] Dot standard plate 20; positioning dot 201;
[0034] Measurement plate 30; processing surface 301;
[0035] Camera 40;
[0036] Printer 50; forming chamber 501; forming substrate 502. Detailed implementation mode
[0037] In order to enable those skilled in the art to better understand the technical solutions in this application, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0038] In order to solve the problem that when performing online galvanometer correction currently, the internal lighting conditions of the galvanometer-based 3D printing device cannot meet the needs of image measurement, which affects the accuracy of the correction data, the applicant has developed a movable lighting device. This lighting device can be placed in the forming chamber of the galvanometer-based 3D printing device to provide the required lighting conditions for image measurement, thereby improving the correction accuracy.
[0039] Specifically, please refer to Figure 1 , Figure 1 which is a schematic structural diagram of an embodiment of the movable lighting device of this application. As Figure 1 shown, the movable lighting device 10 includes four support columns 101. The four support columns 101 are arranged at intervals in a ring and are distributed at the four corners of a square.
[0040] A cross frame 102 is provided between adjacent support columns 101, and a plurality of cross frames 102 cooperate to enclose an internal lighting space 104.
[0041] The cross frame 102 is provided with an opening 1021 on the side facing the lighting space 104, and an installation groove 1022 is provided inside the cross frame 102.
[0042] A light bar 103 is arranged inside the installation groove 1022. The light bar 103 extends along the extension direction of the cross frame 102, and a lighting surface is arranged on the side of the light bar 103 facing the lighting space 104.
[0043] It can be understood that through the above structure, the light bars 103 inside the plurality of cross frames 102 surrounding the lighting space 104 can provide sufficient and uniform lighting conditions for the lighting space 104. When performing online galvanometer correction, the movable lighting device 10 can be moved to the forming substrate 502 of the forming chamber 501 of the printer 50, so as to meet the lighting requirements of image measurement.
[0044] It should be noted that in this embodiment, there are four struts 101 distributed at the four corners of a square, and the distances between adjacent struts 101 are equal. In other embodiments, there may also be other numbers of struts 101, and the distances between adjacent struts 101 may not be equal. The multiple struts 101 may also be arranged in other numbers, and can be adjusted based on actual lighting requirements and working environments, and the effects of this embodiment can be achieved in all cases.
[0045] Furthermore, in this embodiment, in order to make the illumination in all directions uniform, each light bar 103 extends from one end of the cross frame 102 to the other end. In other embodiments, the length of the light bar 103 can also be adjusted based on the actual working conditions.
[0046] In order to make the illumination angle of the light bar 103 adjustable to meet the requirements of different scenarios, in this embodiment, the light bar 103 is rotatably arranged operably to adjust the orientation of the illumination surface.
[0047] Specifically, please refer to Figure 2 , Figure 2 which is a schematic cross-sectional structure diagram of an embodiment of the mobile lighting device of the present application.
[0048] As Figure 2 shown, the strut 101 is provided with an arc-shaped strip hole 1011, and the end of the light bar 103 is installed on the strut 101 through a fixing member passing through the arc-shaped strip hole 1011, and the light bar 103 is slidably arranged operably along the arc-shaped strip hole 1011 to adjust the orientation of the illumination surface.
[0049] Of course, in other embodiments, other methods can also be used to install the light bar 103, as long as the rotatable setting of the light bar 103 can be achieved, and the effects of this embodiment can be achieved in all cases.
[0050] In this embodiment, in order to adjust the height of the light bar 103 to adapt to different application scenarios, adjustable feet 105 are further arranged at the bottom end of the strut 101, and the height of the adjustable feet 105 is adjustable.
[0051] Based on the mobile lighting device 10 of the above embodiments, during online galvanometer correction, it can be moved to the forming substrate 502 in the forming chamber 501 of the printer 50. By adjusting the angle and height of the light bar 103, sufficient and uniform illumination conditions in the illumination space 104 can be ensured, meeting the requirements of image measurement and ensuring the correction accuracy.
[0052] The present application also provides an online galvanometer correction system, which includes the mobile lighting device 10 of any of the above embodiments. The mobile lighting device 10 can be moved to the forming substrate 502 in the forming chamber 501 of the printer 50 to provide uniform and sufficient illumination conditions inside the forming chamber 501.
[0053] Please refer to Figure 3 , Figure 3 which is a schematic diagram of the working state of the mobile lighting device of the present application. As Figure 3 shown, the mobile lighting device 10 is placed in the molding bin 501.
[0054] Furthermore, the online galvanometer correction system further includes a dot standard plate 20. The dot standard plate 20 can be moved into the lighting space 104. Positioning dots 201 are arranged on the dot standard plate 20 at uniform intervals.
[0055] Please refer to Figure 4 , Figure 4 which is a schematic diagram of the working state of the dot standard plate of the present application. As Figure 4 shown, the dot standard plate 20 is arranged in the lighting space 104 of the mobile lighting device 10.
[0056] Furthermore, the online galvanometer correction system further includes a measurement plate 30, which can be moved into the lighting space 104. The measurement plate 30 includes a processing surface 301 for the printer 50 to print on.
[0057] Please refer to Figure 5 , Figure 5 which is a schematic diagram of the working state of the measurement plate of the present application. As Figure 5 shown, the measurement plate 30 is arranged in the lighting space 104 of the mobile lighting device 10.
[0058] Furthermore, the online galvanometer correction system further includes a camera 40. The camera 40 is arranged at the center position of the galvanometer in the molding bin 501 of the printer 50, and is used to collect images of the dot standard plate 20 and the measurement plate 30.
[0059] Please refer to Figure 6 , Figure 6 which is a schematic diagram of the working state of the camera of the present application.
[0060] In this embodiment, in order to facilitate the positioning of the dot standard plate 20 and the measurement plate 30, the sizes of the dot standard plate 20 and the measurement plate 30 match the size of the lighting space 104, that is, both the dot standard plate 20 and the measurement plate are square structures identical to the lighting space 104; in other embodiments, the shapes and sizes of the dot standard plate 20 and the measurement plate 30 can also be adjusted based on actual needs, and the effects of this embodiment can be achieved.
[0061] Based on the above online galvanometer correction system, when performing online galvanometer correction, the mobile lighting device 10 can be first placed on the forming substrate 502 of the forming chamber 501 of the printer 50, and the angle and height of the light bar 103 are adjusted so that the lighting space 104 is evenly and fully illuminated; then the dot standard plate 20 is placed in the lighting space 104, the camera 40 collects the dot image to correct the position of the camera 40, and then the measurement plate 30 is placed in the lighting space 104, the printer 50 is controlled to print dots on the measurement plate 30, the camera 40 collects the coordinates of the printed dots, and compares them with the coordinates of the dots on the dot standard plate 20, so as to calculate the accuracy of the galvanometer and complete the galvanometer correction.
[0062] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0063] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A mobile lighting device, characterized in that, Comprising: A plurality of struts, arranged at annular intervals; A number of cross frames, respectively arranged between adjacent said struts, the number of cross frames cooperate to enclose an internal lighting space, the cross frame is provided with an opening on the side facing the lighting space, and an installation groove is provided inside the cross frame; A light bar, arranged in the installation groove, the light bar extends along the extension direction of the cross frame, and a lighting surface is arranged on the side of the light bar facing the lighting space.
2. The mobile lighting device according to claim 1, wherein, A plurality of the cross frames arranged in a stacked manner are arranged between adjacent said struts.
3. The mobile lighting device according to claim 1, characterized in that, The light bar is rotatably arranged operably to adjust the orientation of the lighting surface.
4. The mobile lighting device according to claim 3, wherein, An arc-shaped strip hole is provided on the strut, and the end of the light bar is installed on the strut through a fixing member passing through the arc-shaped strip hole, and the light bar is slidably arranged operably along the arc-shaped strip hole to adjust the orientation of the lighting surface.
5. The mobile lighting device according to claim 1, characterized in that, It further includes a plurality of adjustable feet corresponding to the plurality of struts one by one, each adjustable foot is arranged at the bottom end of the corresponding strut, and the height of the adjustable foot is adjustable.
6. The mobile lighting device according to claim 1, characterized in that, Among the plurality of struts, the distance between adjacent struts is equal.
7. The mobile lighting device according to claim 1, characterized in that, The light bar extends from one end of the cross frame to the other end.
8. The mobile lighting device according to claim 1, characterized in that, It includes four of the struts distributed at the four corners of a square to form the square lighting space.
9. An online galvanometer correction system, characterized in that, Comprising: The mobile lighting device according to any one of claims 1 to 8, which can be moved onto the formed substrate in the printer forming chamber; A dot standard plate, which can be moved into the lighting space, and positioning dots are arranged on the dot standard plate at evenly spaced intervals; A measuring plate, which can be moved into the lighting space, and the measuring plate includes a processing surface for the printer to print; A camera, arranged at the center position of the galvanometer in the printer forming chamber, and the camera is used to collect images of the dot standard plate and the measuring plate.
10. The online galvanometer calibration system according to claim 9, characterized in that, The sizes of the dot standard plate and the measuring plate match the size of the lighting space.