Double-divergent beam generating device
By using a combination design of a single group laser, glued prism and concave lens in the dual divergent beam generation device, the problems of high cost and high energy consumption of existing devices are solved, and efficient production of dual divergent beams is achieved, and production costs and energy are reduced. Consumption.
Patent Information
- Application Number
- CN202420402540.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-04
AI Technical Summary
The existing dual divergence beam generation device requires two sets of lasers, resulting in high production costs and increased energy consumption.
The design of a single-group laser combined with glued prism, wedge mirror and two-group concave lenses is adopted to achieve the generation of dual diverging beams through optical principles, reducing costs and energy consumption.
The use of a single group of lasers to generate dual diverging beams is realized, which reduces the production cost and energy consumption of the device and improves the economic and efficiency of the equipment.
Smart Images
Figure CN222167337U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical equipment, in particular to a double divergent light beam generating device. Background Art
[0002] The existing double divergent light beam generating device requires two groups of lasers to be arranged obliquely and symmetrically about the center to emit light sources, and then the light is diffused and emitted through an independent concave lens perpendicular to the corresponding outgoing light beam to form a double divergent light beam. Since two groups of lasers are integrated in a single device, the manufacturing cost of the device is high, and the power supply supplies power to the two groups of lasers at the same time, which increases energy consumption. Summary of the invention
[0003] In view of the above problems, the utility model provides a double divergent light beam generating device, which can generate double divergent light beams through a single set of lasers, thereby reducing costs and energy consumption.
[0004] A double divergent light beam generating device, characterized in that it comprises:
[0005] Lasers;
[0006] A cemented prism, wherein the cemented prism comprises a parallelogram prism and an isosceles right triangle prism, wherein a long side of the parallelogram prism and a hypotenuse of the right triangle prism are equilaterally bonded to form a right trapezoidal prism;
[0007] A wedge-shaped mirror comprising a plane incident surface, a first angle exit surface, and a second angle exit surface;
[0008] and two groups of concave lenses, including a first concave lens and a second concave lens;
[0009] The glued prism comprises an incident surface, a reflection surface, a transflective surface, a first emitting surface, and a second emitting surface. The surface area where the parallelogram prism and the isosceles right triangle prism are bonded is the transflective surface. The other long side of the parallelogram prism is the reflection surface. One of the short sides of the parallelogram prism is the incident surface, and the other short side is the first emitting surface. One of the right-angled sides of the isosceles right triangle is the second emitting surface. The first emitting surface and the second emitting surface are arranged in different areas on the same plane.
[0010] The laser, cemented prism, and wedge mirror are arranged in a straight line at intervals, the first concave lens is arranged behind the first angle exit surface, and the second concave lens is arranged behind the second angle exit surface;
[0011] The emitted light beam of the laser is vertically emitted toward the incident surface, and after the light beam passes through the transflective surface, a first straight-line emitted light beam and a second reflected light beam are generated, and the first straight-line emitted light beam is arranged perpendicular to the second reflected light beam, and the first straight-line emitted light beam passes through the second exit surface along a straight line and emits toward the area of the plane incident surface corresponding to the second-angle exit surface, and the first straight-line emitted light beam is refracted by the second-angle exit surface to emit a second refracted light beam, and the second refracted light beam is vertically emitted toward the incident surface of the second concave lens to form a second divergent light beam and emits, and the second reflected light beam is emitted toward the reflective surface and forms a reflected light beam and then is emitted along the first exit surface, and the reflected light beam passes through the first exit surface along a straight line and emits toward the area of the plane incident surface corresponding to the first-angle exit surface, and the reflected light beam is refracted by the first-angle exit surface to emit a first refracted light beam, and the first refracted light beam is vertically emitted toward the incident surface of the first concave lens to form a first divergent light beam and emits.
[0012] It is further characterized by:
[0013] It also includes a shell, in which a laser, a cemented prism, a wedge mirror, a first concave lens, and a second concave lens are arranged, and the shell corresponding to the emission gap of the first divergent light beam and the second divergent light beam is covered with transparent glass;
[0014] The transparent glass upper cover is equipped with a movable shielding cover, which enables the device to set one or two divergent light beams according to needs.
[0015] After adopting the structure of the utility model, its optical principle is shown in Figure 2 The laser output beam is beam a, which is reflected by the cemented prism interface AB and then reflected by the interface CD to become beam b; beam a is transmitted by the cemented prism interface AB to become beam c. Beams b and c are deflected by the wedge mirror and incident on the first concave lens and the second concave lens respectively, generating divergent beams in the M direction and the N direction, realizing the double divergent beam generation function. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the assembly structure of the utility model;
[0017] Figure 2 This is an optical principle diagram of the utility model;
[0018] The names corresponding to the serial numbers in the figure are as follows:
[0019] Laser 10, cemented prism 20, incident surface 21, reflecting surface 22, transflective surface 23, first exit surface 24, second exit surface 25, wedge mirror 30, plane incident surface 31, first angle exit surface 32, second angle exit surface 33, parallelogram prism 40, isosceles right triangle prism 50, first concave lens 60, second concave lens 70, housing 80, transparent glass 81, and movable shielding cover 82. DETAILED DESCRIPTION
[0020] A double divergent light beam generating device, see Figure 1 and Figure 2 , which includes a laser 10, a cemented prism 20, a wedge mirror 30, and two groups of concave lens lasers and a housing 80; the cemented prism 20 includes a parallelogram prism 40 and an isosceles right triangle prism 50, and a long side of the parallelogram prism 40 and the hypotenuse of the isosceles right triangle prism 50 are equilaterally bonded to form a right-angled trapezoidal prism; the wedge mirror 30 includes a plane incident surface 31, a first angle emitting surface 32, and a second angle emitting surface 33; the two groups of concave lenses are specifically a first concave lens 60 and a second concave lens 70;
[0021] The cemented prism 20 includes an incident surface 21, a reflection surface 22, a transflective surface 23, a first emitting surface 24, and a second emitting surface 25. The surface area where the parallelogram prism 40 and the isosceles right triangle prism 50 are bonded is the transflective surface 23. The other long side of the parallelogram prism 40 is the reflection surface 22. One of the short sides of the parallelogram prism 40 is the incident surface 21, and the other short side is the first emitting surface 24. One of the right-angled sides of the isosceles right triangle prism 50 is the second emitting surface 25. The first emitting surface 24 and the second emitting surface 25 are arranged in different areas on the same plane.
[0022] The laser 10, the cemented prism 20, and the wedge mirror 30 are arranged in a straight line in a spaced-apart manner, the first concave lens 60 is arranged behind the first angle emitting surface 32, and the second concave lens 70 is arranged behind the second angle emitting surface 33;
[0023] The emitted light beam of the laser 10 is perpendicularly emitted to the incident surface 21, and after the light beam passes through the transflective surface 23, a first straight-line emitted light beam and a second reflected light beam are generated, and the first straight-line emitted light beam is arranged perpendicular to the second reflected light beam, and the first straight-line emitted light beam passes through the second exit surface 25 along a straight line and is emitted to the area of the plane incident surface 31 corresponding to the second angle exit surface 33, and the first straight-line emitted light beam is refracted by the second angle exit surface 33 to emit a second refracted light beam, and the second refracted light beam is perpendicularly emitted to the incident surface of the second concave lens 70 to form a second divergent light beam and emit, and the second reflected light beam is emitted to the reflective surface and forms a reflected light beam and then is emitted along the first exit surface 24, and the reflected light beam passes through the first exit surface 24 along a straight line and is emitted to the area of the plane incident surface 31 corresponding to the first angle exit surface 32, and the reflected light beam is refracted by the first angle exit surface 32 to emit a first refracted light beam, and the first refracted light beam is perpendicularly emitted to the incident surface of the first concave lens 60 to form a first divergent light beam and emit.
[0024] The housing 80 is provided with a laser 10, a cemented prism 20, a wedge mirror 30, a first concave lens 60, and a second concave lens 70. The housing 80 has a transparent glass 81 installed on the cover of the emitting gap corresponding to the first divergent light beam and the second divergent light beam.
[0025] The transparent glass 81 is covered with a movable shielding cover 82, which allows the device to set one or two divergent light beams according to needs.
[0026] Its optical principle can be seen in Figure 2 The laser output beam is beam a, which is reflected by the cemented prism interface AB and then reflected by the interface CD to become beam b; beam a is transmitted by the cemented prism interface AB to become beam c. Beams b and c are deflected by the wedge mirror and incident on the first concave lens and the second concave lens respectively, generating divergent beams in the M direction and the N direction, realizing the double divergent beam generation function.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A double divergent light beam generating device, characterized in that: It includes: Lasers; A cemented prism, wherein the cemented prism comprises a parallelogram prism and an isosceles right triangle prism, wherein a long side of the parallelogram prism and a hypotenuse of the right triangle prism are equilaterally bonded to form a right trapezoidal prism; A wedge-shaped mirror comprising a plane incident surface, a first angle exit surface, and a second angle exit surface; and two groups of concave lenses, including a first concave lens and a second concave lens; The glued prism comprises an incident surface, a reflection surface, a transflective surface, a first emitting surface, and a second emitting surface. The surface area where the parallelogram prism and the isosceles right triangle prism are bonded is the transflective surface. The other long side of the parallelogram prism is the reflection surface. One of the short sides of the parallelogram prism is the incident surface, and the other short side is the first emitting surface. One of the right-angled sides of the isosceles right triangle is the second emitting surface. The first emitting surface and the second emitting surface are arranged in different areas on the same plane. The laser, cemented prism, and wedge mirror are arranged in a straight line at intervals, the first concave lens is arranged behind the first angle exit surface, and the second concave lens is arranged behind the second angle exit surface; The emitted light beam of the laser is vertically emitted toward the incident surface, and after the light beam passes through the transflective surface, a first straight-line emitted light beam and a second reflected light beam are generated, and the first straight-line emitted light beam is arranged perpendicular to the second reflected light beam, and the first straight-line emitted light beam passes through the second exit surface along a straight line and emits toward the area of the plane incident surface corresponding to the second-angle exit surface, and the first straight-line emitted light beam is refracted by the second-angle exit surface to emit a second refracted light beam, and the second refracted light beam is vertically emitted toward the incident surface of the second concave lens to form a second divergent light beam and emits, and the second reflected light beam is emitted toward the reflective surface and forms a reflected light beam and then is emitted along the first exit surface, and the reflected light beam passes through the first exit surface along a straight line and emits toward the area of the plane incident surface corresponding to the first-angle exit surface, and the reflected light beam is refracted by the first-angle exit surface to emit a first refracted light beam, and the first refracted light beam is vertically emitted toward the incident surface of the first concave lens to form a first divergent light beam and emits.
2. A double divergent light beam generating device according to claim 1, characterized in that: It also includes a shell, in which a laser, a cemented prism, a wedge mirror, a first concave lens and a second concave lens are arranged. The emission gap cover of the shell corresponding to the first divergent light beam and the second divergent light beam is equipped with transparent glass.
3. A double divergent light beam generating device according to claim 2, characterized in that: The transparent glass upper cover is equipped with a movable shielding cover, which enables the device to set one or two divergent light beams according to needs.