Self-cooling laser scanning galvanometer

Abstract

This utility model relates to the field of laser galvanometer technology, and in particular to a self-cooled laser scanning galvanometer, comprising a housing and a galvanometer assembly installed in the housing. An opening is provided at the top of the housing, and a heat dissipation assembly is placed inside the opening. An adjustment frame is rotatably connected inside the opening, and an angle adjustment structure is provided between the adjustment frame and the heat dissipation assembly. A cover plate is detachably connected inside the opening. The heat dissipation assembly used in this utility model is used to dissipate heat from inside the housing to the outside for heat dissipation. Simultaneously, the heat dissipation assembly and the adjustment frame are rotatably connected, allowing for adjustment of the tilt angle of the heat dissipation assembly. Furthermore, the circumferential rotation capability of the adjustment component allows for circumferential position readjustment based on the tilt angle adjustment, thus achieving multi-angle adjustment requirements and enabling arbitrary changes to the air outlet angle, avoiding the limitation of a fixed air outlet angle on installation flexibility.

Description

Technical Field

[0001] This utility model relates to the field of laser galvanometer technology, and in particular to a self-cooled laser scanning galvanometer. Background Technology

[0002] Laser scanning galvanometers, also known as laser mirrors, are widely used in laser processing, laser display, laser medical and other fields. They consist of an XY optical scanning head, an electronic drive amplifier and optical reflective lenses.

[0003] During the operation of a laser scanning galvanometer, a large amount of heat is generated due to the high energy density and high-speed scanning of the laser beam. In order to ensure the stable operation of the laser scanning galvanometer and extend its service life, effective heat dissipation measures are essential. Existing laser scanning galvanometers usually use heat dissipation fins and fans to achieve cooling and self-cooling.

[0004] However, the installation angle of heat dissipation components in existing technologies is fixed, which limits their installation flexibility in different application scenarios. Furthermore, fans with a fixed airflow angle can cause localized overheating of external equipment, potentially leading to thermal damage to surrounding devices.

[0005] Based on this, in order to improve the flexibility of the heat dissipation components of existing laser scanning galvanometers, we propose a self-cooled laser scanning galvanometer. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies, such as the fixed installation angle of heat dissipation components, which limits their installation flexibility in different application scenarios, and to propose a self-cooled laser scanning galvanometer.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] Design a self-cooled laser scanning galvanometer, including a housing and a galvanometer assembly installed in the housing, with an opening on the top of the housing, and a heat dissipation assembly placed inside the opening;

[0009] The opening is rotatably connected to an adjustment frame, and an angle adjustment structure is provided between the adjustment frame and the heat dissipation component. The opening is detachably connected to a cover plate.

[0010] Furthermore, a ring frame is fixedly installed on the inner top of the housing, and the cross-section of the ring frame is L-shaped.

[0011] The adjusting frame is rotatably connected inside the ring frame, and a shim is provided between the ring frame and the adjusting frame.

[0012] Furthermore, the heat dissipation assembly includes a fin holder, and a fan is fixedly mounted above the fin holder;

[0013] A rotating shaft is fixedly installed on both sides of the fin seat.

[0014] Furthermore, the angle adjustment structure includes two upright plates fixedly installed on both sides of the bottom of the ring frame, the rotating shaft passing through the upright plates, a hemispherical groove being formed on the outer circumference of the rotating shaft, and a contacting component adapted to the hemispherical groove being provided on the upright plates.

[0015] Furthermore, the abutting component includes a sleeve fixedly installed on the upright plate, and a ball joint rod is movably connected inside the sleeve by a spring, the top end of the ball joint rod engaging with the hemispherical groove.

[0016] Furthermore, the cover plate and the opening are threaded together, and a gripping groove is provided at the upper end of the cover plate.

[0017] The self-cooled laser scanning galvanometer proposed in this utility model has the following advantages: the heat dissipation component used in this utility model is used to dissipate the internal heat of the housing to the outside for heat dissipation. At the same time, the heat dissipation component and the adjustment frame are rotatably connected, which can realize the adjustment of the tilt angle of the heat dissipation component. In addition, with the circumferential rotation capability of the adjustment component, it can meet the needs of circumferential position readjustment on the basis of tilt angle adjustment. In this way, it can realize the adjustment needs of multiple angles, and the air outlet angle can be changed arbitrarily, avoiding the problem of fixed air outlet angle limiting installation flexibility and causing local overheating of external equipment. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 This is a cross-sectional view of the present invention;

[0020] Figure 3 for Figure 2 A magnified structural diagram of area A;

[0021] Figure 4 This is a schematic diagram of the heat dissipation component structure of this utility model.

[0022] In the diagram: 1. Housing; 10. Opening; 11. Ring frame; 12. Gasket; 2. Galvanometer assembly; 3. Heat dissipation assembly; 31. Fin seat; 32. Fan; 33. Shaft; 34. Hemispherical groove; 4. Adjustment frame; 5. Angle adjustment structure; 51. Vertical plate; 52. Sleeve; 53. Spring; 54. Ball joint rod; 6. Cover plate; 61. Grip groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figure 1-4 As one embodiment of this utility model, a self-cooled laser scanning galvanometer is disclosed, including a housing 1 and a galvanometer assembly 2 installed in the housing 1. Of course, the galvanometer assembly 2 described in this embodiment includes a motor, lenses and other structures. The installation method of the galvanometer assembly in the housing 1 is a conventional method for those skilled in the art, and will not be described in detail here. There is an opening 10 on the top of the housing 1, and a heat dissipation assembly 3 is placed inside the opening 10.

[0025] An adjustment frame 4 is rotatably connected inside the opening 10. The adjustment frame 4 has a ring structure. An angle adjustment structure 5 is provided between the adjustment frame 4 and the heat dissipation component 3. A cover plate 6 is detachably connected inside the opening 10. The cover plate 6 is used to cover the heat dissipation component 3 to close the opening 10 when not in operation, thereby reducing the possibility of dust entering.

[0026] In some embodiments, a ring frame 11 is fixedly installed on the top inner side of the housing 1 in this invention, and the cross-section of the ring frame 11 is L-shaped.

[0027] The adjusting frame 4 is rotatably connected inside the ring frame 11. A shim 12 is provided between the ring frame 11 and the adjusting frame 4. Specifically, in this embodiment, the shim 12 is bonded to the ring frame 11. The shim 12 is a silicone pad used to increase the rotational friction of the adjusting frame 4. In a further embodiment, a shim 12 can also be bonded to the bottom of the adjusting frame 4. Through the frictional cooperation of the two shims 12, the rotational damping force of the adjusting frame 4 can be further increased, thereby achieving a certain locking force on its position when the adjusting frame 4 is circumferentially rotated.

[0028] Based on the above embodiments, the heat dissipation assembly 3 in this embodiment includes a fin seat 31, and a fan 32 is fixedly installed above the fin seat 31.

[0029] Rotating shafts 33 are fixedly installed on both sides of the fin seat 31. Since the adjustment frame 4 can rotate circumferentially in this solution, an electric slip ring can also be installed below the fin seat 31. The wires of the fan 32 are connected to the external power supply through the electric slip ring to ensure the power supply stability of the fan 32 during circumferential rotation adjustment.

[0030] Furthermore, in this embodiment, the angle adjustment structure 5 includes two upright plates 51 fixedly installed on both sides of the bottom of the ring frame 11. The rotating shaft 33 passes through the upright plates 51. A hemispherical groove 34 is provided on the outer circumference of the rotating shaft 33. The upright plates 51 are provided with abutting components that are adapted to the hemispherical groove 34.

[0031] Preferably, in this embodiment, the abutting component includes a sleeve 52 fixedly installed on the upright plate 51, and a ball head rod 54 is movably connected inside the sleeve 52 by a spring 53, the top end of the ball head rod 54 being engaged with the hemispherical groove 34.

[0032] In other words, in this embodiment, the tilt angle of the fan 32 is adjusted by the engaging force between the ball joint 54 and the hemispherical groove 34. When the tilt angle of the fan 32 needs to be adjusted, the fin seat 31 can be rotated by bending it until the ball joint 54 is engaged in the rotated hemispherical groove 34 under the action of the spring 53. In this way, the tilt angle of the fan 32 can be adjusted. At the same time, the air outlet direction of the fan 32 can be changed in the circumferential position by means of the circumferential rotation capability of the adjustment bracket 4, so as to meet the operation requirements of multiple heat dissipation directions.

[0033] It should be noted that in this embodiment, the cover plate 6 and the opening 10 are threadedly connected, and a grip groove 61 is provided at the upper end of the cover plate 6. The design of the grip groove 61 can provide grip space for the user's fingers, thereby improving the ease of operation of the entire cover plate 6.

[0034] In summary, the heat dissipation component 3 used in this utility model is used to dissipate the internal heat of the housing 1 to the outside for heat dissipation. At the same time, the heat dissipation component 3 and the adjustment frame 4 are rotatably connected, which can realize the adjustment of the tilt angle of the heat dissipation component 3. In addition, the circumferential rotation capability of the adjustment frame 4 can meet the needs of circumferential position adjustment on the basis of tilt angle adjustment. In this way, multi-angle adjustment needs can be met, and the air outlet angle can be changed arbitrarily, avoiding the problem of fixed air outlet angle limiting installation flexibility and causing local overheating of external equipment.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A self-cooled laser scanning galvanometer, comprising a housing (1) and a galvanometer assembly (2) mounted in the housing (1), characterized in that: An opening (10) is provided above the housing (1), and a heat dissipation assembly (3) is placed inside the opening (10). The opening (10) is rotatably connected to an adjustment frame (4), and an angle adjustment structure (5) is provided between the adjustment frame (4) and the heat dissipation assembly (3). The opening (10) is detachably connected to a cover plate (6).

2. The self-cooled laser scanning galvanometer according to claim 1, characterized in that: A ring frame (11) is fixedly installed on the top inner side of the housing (1), and the cross-section of the ring frame (11) is L-shaped. The adjusting frame (4) is rotatably connected inside the ring frame (11), wherein a gasket (12) is provided between the ring frame (11) and the adjusting frame (4).

3. The self-cooled laser scanning galvanometer according to claim 2, characterized in that: The heat dissipation assembly (3) includes a fin seat (31), and a fan (32) is fixedly installed above the fin seat (31). Rotary shafts (33) are fixedly installed on both sides of the fin seat (31).

4. The self-cooled laser scanning galvanometer according to claim 3, characterized in that: The angle adjustment structure (5) includes two upright plates (51) fixedly installed on both sides of the bottom of the ring frame (11). The rotating shaft (33) passes through the upright plates (51). A hemispherical groove (34) is provided on the outer circumference of the rotating shaft (33). A contacting component adapted to the hemispherical groove (34) is provided on the upright plate (51).

5. The self-cooled laser scanning galvanometer according to claim 4, characterized in that: The abutting component includes a sleeve (52) fixedly installed on the upright plate (51), and a ball head rod (54) is movably connected inside the sleeve (52) by a spring (53). The top end of the ball head rod (54) is engaged with the hemispherical groove (34).

6. The self-cooled laser scanning galvanometer according to claim 1, characterized in that: The cover plate (6) and the opening (10) are threaded together, and a gripping groove (61) is provided at the upper end of the cover plate (6).

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