Three-point light source generating device

Abstract

The utility model discloses a three-point light source generating device, and relates to the technical field of optical equipment. The utility model provides a three-point light source generating device. The three-point light source generating device comprises a barrel, a laser light source, a first semi-transparent and semi-reflecting mirror, a second semi-transparent and semi-reflecting mirror, a first positioning disc and a second positioning disc, the laser light source is arranged at the bottom of the barrel; the first semi-transparent and semi-reflective mirror is connected to the first positioning disc, the first positioning disc is arranged at the top in the cylinder body, and the plane where the first semi-transparent and semi-reflective mirror is located and the vertical direction form an angle of 45 degrees; the second semi-transparent and semi-reflective mirror is arranged on the second positioning disc, the second positioning disc is arranged on the side wall in the cylinder, and the plane where the second semi-transparent and semi-reflective mirror is located is parallel to the vertical direction. According to the utility model, by utilizing the semitransparent and semi-reflecting characteristics of the spectroscope, the same beam of light source is spectroscoped twice, and the collimated light source is divided into light rays in three directions. According to the utility model, the angles of the two semi-transparent and semi-reflective mirrors are finely adjusted through the studs and the jackscrews, which is convenient and fast, and light can be emitted more accurately.

Description

Technical Field

[0001] The utility model relates to the technical field of optical equipment, and more specifically, to a three-point light source generating device. Background Art

[0002] A laser light source is an electroluminescent light source that utilizes the stimulated emission of excited particles. Laser light sources have the following characteristics: 1. Excellent monochromaticity. The color of laser light is very pure, and its monochromaticity is more than 10 times higher than that of ordinary light sources. Therefore, laser light sources are excellent coherent light sources and are widely used in optical communications. 2. Strong directionality. The divergence angle of the laser beam is very small, on the order of milliradians, 2 to 3 orders of magnitude smaller than the divergence angle of ordinary light or microwaves. 3. High brightness. The radiation brightness at the laser focus is 10 to 100 times higher than that of ordinary light. Laser light sources are widely used in various fields of industry, agriculture, science and technology, such as laser processing (cutting, welding, drilling, heat treatment, and scoring), isotope separation, medical instruments (scalpels, coagulators), detectors, fiber optic communication light sources, holographic photography light sources, stage art light sources, laser video recording, laser fax, laser typesetting and printing, optical computers, and laser weapons.

[0003] In the prior art, devices that generate three-point light sources can often only achieve precision adjustment of two points horizontally, and cannot achieve precision adjustment vertically. At the same time, the operation is difficult and the efficiency is low. Utility Model Content

[0004] In view of this, the utility model provides a three-point light source generating device, which can fine-tune the light source and improve the accuracy of the light source.

[0005] The utility model provides a three-point light source generating device, comprising: a cylinder, a laser light source, a first semi-transparent and semi-reflective mirror, a second semi-transparent and semi-reflective mirror, a first positioning plate and a second positioning plate;

[0006] The cylinder includes a first light outlet arranged on the top, a second light outlet and a third light outlet arranged on the side wall;

[0007] The laser light source is arranged at the bottom of the cylinder and vertically points to the inside of the cylinder;

[0008] The first semi-transparent and semi-reflective mirror is connected to the first positioning plate, the first positioning plate is arranged at the top of the cylinder, and the plane where the first semi-transparent and semi-reflective mirror is located is 45 degrees to the vertical direction;

[0009] The second semi-transparent and semi-reflective mirror is arranged on the second positioning plate, the second positioning plate is arranged on the side wall of the cylinder, and the plane where the second semi-transparent and semi-reflective mirror is located is parallel to the vertical direction;

[0010] The geometric center of the first semi-transparent and semi-reflective mirrors is on the same extended line as the geometric center of the first light outlet in the vertical direction;

[0011] The geometric center of the first semi-transparent mirror is on the same extended line as the geometric centers of the second semi-transparent mirror, the second light outlet, and the third light outlet in the horizontal direction.

[0012] In a possible implementation, the first positioning plate includes a chamfered portion and a horizontal end portion;

[0013] Two opposite ends of the top of the beveled portion are provided with connecting portions connected to the bottom of the horizontal end portion;

[0014] The horizontal end is connected to the top of the cylinder;

[0015] The first semi-transparent and semi-reflective mirror is connected to the beveled portion;

[0016] The first light outlet passes through the beveled portion and the horizontal end portion.

[0017] In a possible implementation, the three-point light source generating device further includes a first stud;

[0018] The horizontal end portion is provided with a threaded hole;

[0019] The first stud passes through the threaded hole to connect the first positioning plate and the cylinder.

[0020] In a possible implementation, the three-point light source generating device further includes a vertical top wire;

[0021] The horizontal end portion is provided with a through hole;

[0022] In the vertical direction, the projection of the through hole falls within the range of the projection of the chamfered portion;

[0023] The vertical top screw is arranged in the through hole, and the bottom of the vertical top screw is against the top of the chamfered portion.

[0024] In a possible implementation, the threaded hole and the through hole are perpendicular to each other at the horizontal end.

[0025] In a possible implementation, the number of the threaded holes and the number of the through holes are two respectively;

[0026] The two threaded holes are oppositely arranged on both sides of the first light outlet;

[0027] The two through holes are arranged oppositely on the other two sides of the first light outlet.

[0028] In a possible implementation, the three-point light source generating device further includes a second stud;

[0029] The second positioning plate is provided with a threaded hole;

[0030] The second stud passes through the threaded hole to connect the second positioning plate and the cylinder.

[0031] In a possible implementation, the number of the second studs is three, and the angles between adjacent second studs are the same.

[0032] In a possible implementation, the second light outlet passes through the second positioning plate, and the second semi-transparent and semi-reflective mirror is disposed in the second light outlet of the second positioning plate.

[0033] Compared with the prior art, the three-point light source generating device provided by the present invention achieves at least the following beneficial effects:

[0034] In the embodiment provided by the present invention, two semi-transparent and semi-reflective mirrors are arranged at an angle of 45°, and the semi-transparent and semi-reflective properties of the beam splitter are utilized to perform two beam splitting operations on the same light source, thereby dividing the collimated light source into three directions of light. The present invention uses a stud and a set screw to fine-tune the angles of the two semi-transparent and semi-reflective mirrors, which is convenient and quick, and can achieve more precise light output.

[0035] Of course, any product implementing the present utility model does not necessarily need to achieve all the technical effects described above at the same time.

[0036] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

[0038] Figure 1 This is one of the structural schematic diagrams of a three-point light source generating device provided by the utility model;

[0039] Figure 2 This is the second structural diagram of a three-point light source generating device provided by the utility model;

[0040] Figure 3 This is the third structural diagram of a three-point light source generating device provided by the utility model. DETAILED DESCRIPTION

[0041] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention.

[0042] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0043] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0044] In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0045] It should be noted that like reference numerals and letters refer to like items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0046] The present invention provides a three-point light source generating device. Figures 1 to 3 As shown, the embodiment of the present invention provides a three-point light source generating device, comprising: a cylinder 10, a laser light source 20, a first semi-transparent and semi-reflective mirror 30, a second semi-transparent and semi-reflective mirror 40, a first positioning plate 50 and a second positioning plate 60;

[0047] The barrel 10 is a supporting shell of the three-point light source generating device, and the laser light source 20 , the first semi-transparent and semi-reflective mirror 30 , the second semi-transparent and semi-reflective mirror 40 , the first positioning plate 50 and the second positioning plate 60 are all arranged on the barrel 10 .

[0048] Furthermore, the cylindrical body 10 includes a first light outlet 01 located at the top, and a second light outlet 02 and a third light outlet 03 located on the sidewalls. These three light outlets are where light from the three-point light source generator exits. The first light outlet 01 is located at the center of the top of the cylindrical body 10, while the second and third light outlets 02 and 03 are located on the sides of the cylindrical body 10, near the top. The second and third light outlets 02 and 03 are horizontally opposed to each other.

[0049] The laser light source 20 is disposed at the bottom of the cylinder 10 and is vertically directed toward the interior of the cylinder 10. It is understood that the laser light source 20 provides standard collimated light. The light emitted by the laser light source 20 is split into three beams and emitted in three directions.

[0050] The first semi-transparent and semi-reflective mirror 30 is connected to the first positioning plate 50. The first positioning plate 50 is arranged at the top of the cylinder 10, and the plane where the first semi-transparent and semi-reflective mirror 30 is located is 45 degrees to the vertical direction.

[0051] Specifically, the first positioning plate 50 includes a chamfered portion 51 and a horizontal end portion 52;

[0052] The opposite ends of the top of the chamfered portion 51 are provided with connecting portions connected to the bottom of the horizontal end portion 52;

[0053] The horizontal end portion 52 is connected to the top of the cylinder 10;

[0054] The first semi-transparent mirror 30 is connected to the beveled portion 51;

[0055] The first light outlet 01 passes through the beveled portion 51 and the horizontal end portion 52 .

[0056] It is understood that the first optical component group includes a first semi-transparent mirror 30 and a first positioning plate 50. The first positioning plate 50 includes a beveled portion 51 and a horizontal end portion 52. A groove is formed in the upper portion of the barrel 10, and the horizontal end portion 52 can be inserted into the groove. The beveled portion 51 is connected to the bottom of the horizontal end portion 51 and is therefore located within the barrel 10.

[0057] Furthermore, the horizontal end portion 52 is in a horizontal plate shape, and the beveled portion 51 has a beveled surface with an angle of 45 degrees. The first semi-transparent mirror 30 is connected to the beveled portion 51, and therefore, the first semi-transparent mirror 30 also has an angle of 45 degrees.

[0058] Furthermore, the three-point light source generating device further includes a first stud 521 ; the first stud 521 is used to fix the first positioning plate 50 .

[0059] Specifically, the horizontal end portion 52 is provided with a threaded hole;

[0060] The first screw 521 passes through the threaded hole to connect the first positioning plate 50 and the cylinder 10 .

[0061] Furthermore, the three-point light source generating device further includes a vertical top screw 522;

[0062] The horizontal end portion 52 is provided with a through hole;

[0063] In the vertical direction, the projection of the through hole falls within the projection range of the bevel portion 51; in other words, the lower end of the through hole faces the top of the bevel portion 51.

[0064] The vertical push screw 522 is disposed in the through hole, and the bottom of the vertical push screw abuts against the top of the chamfered portion 51 .

[0065] It is understandable that there is a connection portion between the beveled portion 51 and the horizontal end portion 52. Therefore, the beveled portion 51 and the horizontal end portion 52 are not completely fitted together, but there is a gap between them. The first stud 521 securely connects the horizontal end portion 52 to the barrel 10 and cannot be moved. However, the vertical top screw 522 is pressed against the beveled portion 51. By adjusting the depth of the vertical top screw 522, the beveled portion 51 can be pushed to adjust its angle, thereby adjusting the angle of the first semi-transparent and semi-reflective mirror 30 connected to the beveled portion 51, thereby adjusting the optical path of the light projected and reflected by the first semi-transparent and semi-reflective mirror 30.

[0066] Furthermore, the threaded hole and the through hole are positioned perpendicular to each other at the horizontal end.

[0067] Exemplarily, the threaded holes and the through holes each include two;

[0068] Two threaded holes are arranged oppositely on both sides of the first light outlet 01;

[0069] The two through holes are oppositely arranged on the other two sides of the first light outlet 01 .

[0070] That is, the horizontal end portion 52 is divided into four equal parts with its geometric center as the center, and the threaded holes and through holes are spaced apart in sequence. It should be noted that the number and placement of the threaded holes and through holes described above are merely examples. In other embodiments, the number of threaded holes and through holes may be four, five, six, or other numbers, respectively. The number and placement of the threaded holes should be determined to ensure a stable connection between the first positioning plate 50 and the barrel 10. The number and placement of the through holes should be determined to enable multi-directional adjustment of the angle of the beveled portion 50.

[0071] Furthermore, the second semi-transparent mirror 40 is disposed on the second positioning plate 60, and the second positioning plate 60 is disposed on the side wall of the cylinder 10, and the plane where the second semi-transparent mirror 40 is located is parallel to the vertical direction;

[0072] It can be understood that the second optical component group includes a second semi-transparent mirror 40 and a second positioning plate 60. The second light outlet 02 passes through the second positioning plate 60, and the second semi-transparent mirror 40 is disposed in the second light outlet 02 of the second positioning plate 60. The second positioning plate 60 is disposed on the outer wall of the barrel 10.

[0073] Furthermore, the three-point light source generating device further includes a second stud 61;

[0074] The second positioning plate 60 is provided with a threaded hole;

[0075] The second studs 61 pass through the threaded holes to connect the second positioning plate 60 and the cylinder 10. In a specific embodiment, the second studs include three, and the angles between adjacent second studs 61 are the same.

[0076] It is understood that the second stud 61 is used to fix the second positioning disk 60 and adjust its angle. Specifically, the second stud 61 fixes the second positioning disk 60 to the outer wall of the cylinder 10 through the threaded hole provided on the second positioning disk 60. At the same time, there are multiple second studs 61. By screwing in different depths of the second studs 61, the degree of fit between the second positioning disk 60 and the outer wall of the cylinder 10 can be controlled. When the screwing in depths of different second studs 61 are different, the angle of the second positioning disk 60 can be adjusted, and then the angle of the second semi-transparent and semi-reflective mirror 40 connected to the second positioning disk 60 can be adjusted, thereby adjusting the optical path of the light projected and reflected by the second semi-transparent and semi-reflective mirror 40.

[0077] Furthermore, the geometric center of the first semi-transparent mirror 30 is on the same extended line as the geometric center of the first light outlet 01 in the vertical direction;

[0078] The geometric center of the first semi-transparent mirror 30 is on the same extended line as the geometric centers of the second semi-transparent mirror 40 , the second light outlet 02 , and the third light outlet 03 in the horizontal direction.

[0079] It can be understood that the initial light emitted from the laser light source 20 enters the first semi-transparent mirror 30. Since the first semi-transparent mirror 30 is set at a 45-degree angle, it transmits the initial light. The resulting first light beam is emitted vertically from the first light outlet 01, forming a point light source. The first semi-transparent mirror 30 reflects the initial light. The resulting second light beam is emitted horizontally toward the second semi-transparent mirror 40.

[0080] Furthermore, the second light beam enters the second semi-transparent mirror 40. Since the second semi-transparent mirror 40 is arranged vertically, it transmits the second light beam. The third light beam obtained after transmission is emitted from the second light outlet 02, forming two point light sources. The second semi-transparent mirror 40 reflects the second light beam, and the fourth light beam obtained by reflection is emitted toward the first semi-transparent mirror 30.

[0081] Furthermore, the first semi-transparent and semi-reflective mirror 30 transmits the fourth light beam, and the fifth light beam obtained after the transmission is emitted from the third light outlet 03 in a horizontal direction, forming three-point light sources.

[0082] It should be noted that both the first semi-transparent mirror 30 and the second semi-transparent mirror 40 are high-precision semi-transparent and semi-reflective lenses, and require high quality.

[0083] Furthermore, the shape of the light outlet can be controlled to form a desired point shape to achieve the required power and line quality requirements.

[0084] In summary, the three-point light source generating device provided by the present invention achieves at least the following beneficial effects:

[0085] In the embodiment provided by the present invention, two semi-transparent and semi-reflective mirrors are arranged at an angle of 45°, and the semi-transparent and semi-reflective properties of the beam splitter are utilized to perform two beam splitting operations on the same light source, thereby dividing the collimated light source into three directions of light. The present invention uses a stud and a set screw to fine-tune the angles of the two semi-transparent and semi-reflective mirrors, which is convenient and quick, and can achieve more precise light output.

[0086] Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art will appreciate that the above examples are for illustration only and are not intended to limit the scope of the present invention. Those skilled in the art will appreciate that modifications may be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A three-point light source generating device, characterized in that: include: A cylinder, a laser light source, a first semi-transparent and semi-reflective mirror, a second semi-transparent and semi-reflective mirror, a first positioning plate and a second positioning plate; The cylinder includes a first light outlet arranged on the top, a second light outlet and a third light outlet arranged on the side wall; The laser light source is arranged at the bottom of the cylinder and vertically points to the inside of the cylinder; The first semi-transparent and semi-reflective mirror is connected to the first positioning plate, the first positioning plate is arranged at the top of the cylinder, and the plane where the first semi-transparent and semi-reflective mirror is located is 45 degrees to the vertical direction; The second semi-transparent and semi-reflective mirror is arranged on the second positioning plate, the second positioning plate is arranged on the side wall of the cylinder, and the plane where the second semi-transparent and semi-reflective mirror is located is parallel to the vertical direction; The geometric center of the first semi-transparent and semi-reflective mirrors is on the same extended line as the geometric center of the first light outlet in the vertical direction; The geometric center of the first semi-transparent mirror is on the same extended line as the geometric centers of the second semi-transparent mirror, the second light outlet, and the third light outlet in the horizontal direction.

2. The three-point light source generating device according to claim 1, characterized in that: The first positioning plate includes a chamfered portion and a horizontal end portion; Two opposite ends of the top of the beveled portion are provided with connecting portions connected to the bottom of the horizontal end portion; The horizontal end is connected to the top of the cylinder; The first semi-transparent and semi-reflective mirror is connected to the beveled portion; The first light outlet passes through the beveled portion and the horizontal end portion.

3. The three-point light source generating device according to claim 2, characterized in that: Also included is a first stud; The horizontal end portion is provided with a threaded hole; The first stud passes through the threaded hole to connect the first positioning plate and the cylinder.

4. The three-point light source generating device according to claim 3, characterized in that: Also includes vertical top screws; The horizontal end portion is provided with a through hole; In the vertical direction, the projection of the through hole falls within the range of the projection of the chamfered portion; The vertical top screw is arranged in the through hole, and the bottom of the vertical top screw is against the top of the chamfered portion.

5. The three-point light source generating device according to claim 4, characterized in that: The threaded hole and the through hole are perpendicular to each other at positions of the horizontal end portion.

6. The three-point light source generating device according to claim 5, characterized in that: The threaded holes and the through holes each include two; The two threaded holes are oppositely arranged on both sides of the first light outlet; The two through holes are arranged oppositely on the other two sides of the first light outlet.

7. The three-point light source generating device according to claim 1, characterized in that: Also included is a second stud; The second positioning plate is provided with a threaded hole; The second stud passes through the threaded hole to connect the second positioning plate and the cylinder.

8. The three-point light source generating device according to claim 7, characterized in that: The second studs include three, and the included angles between adjacent second studs are the same.

9. The three-point light source generating device according to claim 1, characterized in that: The second light exit passes through the second positioning plate, and the second semi-transparent and semi-reflective mirror is disposed in the second light exit of the second positioning plate.

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