Double-layer double-color integrated laser diode parallel device

By using a double-layer, bicolor integrated laser diode parallel device in the laser, using a lens group, a 45° triangular mirror and a polarizer group, blue and green light are synthesized into a regular square beam, which solves the irregular and low brightness of the existing laser beams. Problem, achieving a smaller volume and higher brightness laser effect.

CN222337408UActive Publication Date: 2025-01-10GUANGDONG TIANYI PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202420158300.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-23
Publication Date
2025-01-10
Estimated Expiration
2034-01-23

AI Technical Summary

Technical Problem

The existing lasers have irregular beams and low brightness due to the arrangement of laser diodes on the same plane, and the volume of monochromatic lasers increases during multi-color conversion.

Method used

Using a double-layer, two-color integrated laser diode parallel device, the two colors of laser beams are combined into one through a side-by-side lens group, 45° triangular mirror, polarizer and optical lens group, to form a regular square beam and reduce the overall size. .

Benefits of technology

It achieves the effect of regular and neat light beams, high brightness, narrower length, width and size, and smaller overall volume.

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Abstract

The utility model provides a double-layer double-color integrated laser diode parallel device which comprises a bottom cover, a first support and a second support which are arranged side by side are installed on one side of the upper surface of the bottom cover, a first laser light-emitting diode is installed in a lens group on the first support, and a second laser light-emitting diode is installed in a lens group on the second support. An upper row of 45-degree triangular reflectors and a lower row of 45-degree triangular reflectors matched with the lens set are installed on the side, away from the first support, of the upper surface of the bottom cover, two 45-degree polaroids are installed on the side, away from the polaroid set, of the upper surface of the bottom cover, and first 45-degree total reflectors fixedly connected with the bottom cover are arranged on the sides, away from the optical rotation lens set, of the 45-degree polaroids. One side of the 45-degree polaroid deviating from the optical rotation lens group is provided with a second 45-degree total reflection mirror matched with the polaroid group, and the beneficial effects of the utility model are that: the mode of two-in-one integration of laser beams with two colors enables light spots to be regular and tidy and to be high in brightness, to be narrowed in length and width, and to be smaller in overall size.
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Description

Technical Field

[0001] The utility model discloses a double-layer double-color integrated laser diode parallel device, belonging to the technical field of laser lamps. Background Art

[0002] The existing lasers have laser diodes arranged on the same plane, which leads to a dramatic increase in the plane size of the laser when the laser diodes are arranged in large numbers, but the height does not change much. In addition, the optical path arrangement of most products is irregular, and the light spots produced by the combined light beams are also irregular, which results in poor beam shape and low brightness, directly affecting the effect of the laser light. Moreover, most lasers are monochromatic. If you want multiple colors, you can only add one more laser, which will increase the overall volume. Summary of the invention

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a double-layer, two-color integrated laser diode parallel device to solve the problems raised in the above background technology. The utility model combines the two colors of laser beams into one, so that the light spot is regular, bright, narrow in length and width, and smaller in overall size.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a double-layer two-color integrated laser diode parallel device, including a bottom cover, a first support and a second support arranged side by side are installed on one side of the upper surface of the bottom cover, and two upper and lower rows of lens groups are installed on one side of the first support and one side of the second support, a first laser light-emitting diode is installed in the lens group on the first support, and a second laser light-emitting diode is installed in the lens group on the second support, and two upper and lower rows of 45° triangular reflectors matched with the lens groups are installed on the side of the upper surface of the bottom cover away from the first support, and the upper and lower rows of 45° triangular reflectors facing the first support form the light beam generated by the first laser light-emitting diode into a first light path of upper and lower layers, and the upper side of the second support facing the second support forms a first light path of upper and lower layers. The lower two rows of 45° triangular reflectors form a second optical path of upper and lower layers with the light beam generated by the second laser light emitting diode; two groups of polarizing plates are installed on the side of the upper surface of the bottom cover away from the first support; two 45° polarizing plates are installed on the side of the upper surface of the bottom cover away from the polarizing plate group; the two 45° polarizing plates are alternately arranged with the first support and the second support; optical rotation lens groups respectively matched with the first optical path and the second optical path are installed at the positions of the upper surface of the bottom cover close to the two 45° polarizing plates; a first 45° total reflecting mirror connected and fixed to the bottom cover is provided on the side of the 45° polarizing plate away from the optical rotation lens group; a second 45° total reflecting mirror matched with the polarizing plate group is provided on the side of the 45° polarizing plate away from the optical rotation lens group; and the second 45° total reflecting mirror is connected and fixed to the bottom cover.

[0005] Furthermore, the 45° polarizing plate is connected and fixed to a polarizing plate frame, and the polarizing plate frame is connected and fixed to a bottom cover.

[0006] Furthermore, the 45° triangular reflector is mounted on one end of a 45° triangular reflector frame, and the 45° triangular reflector frame is mounted on the upper surface of the bottom cover.

[0007] Furthermore, a plurality of bosses are evenly fixed on one side of the upper surface of the bottom cover away from the first support, the lower 45° triangular reflector frame is installed between two adjacent bosses, and the upper 45° triangular reflector frame is installed on the upper surface of the bosses.

[0008] Furthermore, both ends of the bottom cover are connected and fixed with a connecting plate, and two fixing holes are provided on the upper surface of the connecting plate. The connecting plate and the bottom cover are an integrally formed structure.

[0009] Furthermore, the first 45° fully reflective mirror is mounted on the surface of a first 45° fully reflective mirror frame, the first 45° fully reflective mirror frame is mounted on the upper surface of the bottom cover, the second 45° fully reflective mirror is mounted on the surface of a second 45° fully reflective mirror frame, and the second 45° fully reflective mirror frame is mounted on the upper surface of the bottom cover.

[0010] Beneficial effects of the utility model:

[0011] The blue light generated by the first laser light emitting diode emits a light beam according to the arrangement position installed on the first support. Under the action of the lens group, the emitted light beam becomes smaller. The first laser light emitting diode light beam is vertically emitted to the 45° triangular reflector, and then the 45° triangular reflector reflects it vertically. The 45° triangular reflectors reflect the first light beam from the first 45° triangular reflector according to different front and rear distances, and then the second 45° triangular reflector reflects the second light beam next to the first 45° triangular reflector. They are arranged in sequence. The positions of the 45° triangular reflectors installed on the bottom cover are high in one row and low in another row. All the light beams emitted from the upper layer of the first support are refracted by the upper 45° triangular reflector, and all the light beams emitted from the lower layer are refracted by the lower 45° triangular reflector. The upper and lower 45° triangular reflectors arrange all the light beams in a row. , three light speeds in each row, the light beams are close to each other and present a small and neatly arranged square large light beam, that is, the first light path. The upper first light path passes vertically through the optical rotation lens group to the first 45° total reflector in front, and then the first 45° total reflector refracts the first light path downward to the 45° polarizer at a vertical angle of 45°. The lower first light path is vertically projected onto the 45° polarizer in the same way as the upper one and overlaps with the upper first light path. The combined light beam is projected onto the second 45° total reflector in front, and the second 45° total reflector is vertically reflected onto the polarizer group, and the light beam is vertically emitted through the polarizer group. Similarly, the green light generated by the second laser light emitting diode is refracted in the same way as the blue light, realizing the two-in-one laser beam mode of two colors, making the light spot regular, neat and bright, the length and width dimensions narrower, and the overall volume smaller. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 This is a schematic diagram of the structure of a double-layer dual-color integrated laser diode parallel device of the utility model;

[0014] Figure 2 Another perspective view of a double-layer dual-color integrated laser diode parallel device of the utility model;

[0015] Figure 3 It is an assembly diagram of a 45° polarizer, a first 45° total reflector, a second 45° total reflector, a polarizer group and a bottom cover in a double-layer dual-color integrated laser diode parallel device of the utility model;

[0016] Figure 4 It is a schematic diagram of the assembly of a 45° triangular reflector and a 45° triangular reflector frame in a double-layer, dual-color integrated laser diode parallel device of the utility model;

[0017] Figure 5 It is a three-dimensional diagram of a light-rotating lens group in a double-layer, two-color integrated laser diode parallel device of the utility model;

[0018] In the figure: 1-bottom cover, 2-first support, 3-lens group, 4-first optical path, 5-first 45° total reflection mirror, 6-first 45° total reflection mirror frame, 7-second support, 8-second optical path, 9-second 45° total reflection mirror frame, 10-second 45° total reflection mirror, 11-connecting plate, 12-fixing hole, 13-polarizer group, 14-45° polarizer, 15-rotating lens group, 16-45° triangular reflection mirror frame, 17-boss, 18-45° triangular reflection mirror. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figure 1 The utility model provides a technical solution: a double-layer, double-color integrated laser diode parallel device, including a bottom cover 1, both ends of the bottom cover 1 are connected and fixed with a connecting plate 11, the upper surface of the connecting plate 11 is provided with two fixing holes 12, the connecting plate 11 and the bottom cover 1 are an integrally formed structure, so that the screws pass through the fixing holes 12 and are installed at the desired position, thereby completing the restriction of the position of the bottom cover 1.

[0021] See also Figure 1 , Figure 2 and Figure 3 A first support 2 and a second support 7 are installed side by side on one side of the upper surface of the bottom cover 1, and two upper and lower rows of lens groups 3 are installed on one side of the first support 2 and one side of the second support 7. A first laser light emitting diode is installed in the lens group 3 on the first support 2, and a second laser light emitting diode is installed in the lens group 3 on the second support 7. The first laser light emitting diode generates blue light, and the second laser light emitting diode generates green light.

[0022] See also Figure 1 , Figure 2 and Figure 3 Two rows of 45° triangular reflectors 18 cooperating with the lens group 3 are installed on the side of the upper surface of the bottom cover 1 away from the first support 2, and the 45° triangular reflectors 18 are installed at one end of the 45° triangular reflector frame 16. A plurality of bosses 17 are evenly fixed on the side of the upper surface of the bottom cover 1 away from the first support 2. The lower 45° triangular reflector frame 16 is installed between two adjacent bosses 17, and the upper 45° triangular reflector frame 16 is installed on the upper surface of the boss 17. Under the action of the boss 17, the two adjacent 45° triangular reflectors 18 are arranged up and down.

[0023] The upper and lower rows of 45° triangular reflectors 18 facing the first support 2 form the light beam generated by the first laser light emitting diode into a first light path 4 of upper and lower layers, and the upper and lower rows of 45° triangular reflectors 18 facing the second support 7 form the light beam generated by the second laser light emitting diode into a second light path 8 of upper and lower layers, two groups of polarizer groups 13 are installed on the side of the upper surface of the bottom cover 1 away from the first support 2, and two 45° polarizers 14 are installed on the side of the upper surface of the bottom cover 1 away from the polarizer group 13, wherein the 45° polarizer 14 is connected and fixed to the polarizer frame, and the polarizer frame is connected and fixed to the bottom cover 1, and the two 45° polarizers 14 are alternately arranged with the first support 2 and the second support 7, and the upper surface of the bottom cover 1 is provided with respective polarizers 14 of the same 45° as ... The first optical path 4 and the second optical path 8 cooperate with the optical rotation lens group 15, and the side of the 45° polarizing plate 14 away from the optical rotation lens group 15 is provided with a first 45° total reflection mirror 5 connected and fixed with the bottom cover 1, wherein the first 45° total reflection mirror 5 is installed on the surface of the first 45° total reflection mirror frame 6, and the first 45° total reflection mirror frame 6 is installed on the upper surface of the bottom cover 1, and the side of the 45° polarizing plate 14 away from the optical rotation lens group 15 is provided with a second 45° total reflection mirror 10 matched with the polarizing plate group 13, and the second 45° total reflection mirror 10 is installed on the surface of the second 45° total reflection mirror frame 9, and the second 45° total reflection mirror frame 9 is installed on the upper surface of the bottom cover 1. The blue light generated by the first laser light emitting diode emits a light beam according to the arrangement position of the first support 2 installed, and the emitted light is allowed to be reflected by the lens group 3. The beam becomes smaller, the mounting holes of the first support 2 are arranged in one layer and one row, with four first laser light emitting diodes in each row, one layer up and one layer down, the mounting holes of the second support 7 are arranged in one layer and one row, with four second laser light emitting diodes in each row, one layer up and one layer down, the first laser light emitting diode beam is vertically emitted to the 45° triangular reflector 18, and then the 45° triangular reflector 18 is vertically reflected out, the 45° triangular reflector 18 reflects the first beam from the first 45° triangular reflector 18 according to different front and rear distances, and then the second 45° triangular reflector 18 reflects the second beam next to the first 45° triangular reflector 18, and they are arranged in sequence, the positions of the 45° triangular reflectors 18 installed on the bottom cover 1 are one row high and one row low, the upper layer of the first support 2 emits All the light beams coming out are refracted by the upper 45° triangular reflector 18, and all the light beams coming out from the lower layer are refracted by the lower 45° triangular reflector 18. The upper and lower 45° triangular reflectors 18 arrange all the light beams into a row, with three light speeds in each row, and the light beams are close to each other to present a small and neatly arranged square large light beam, that is, the first light path 4. The upper first light path 4 passes vertically through the optical rotation lens group 15 and is projected onto the first 45° total reflector 5 in front, and then the first 45° total reflector 5 refracts the first light path 4 downward at 45° to the 45° polarizing plate 14. The lower first light path 4 is vertically projected onto the 45° polarizing plate 14 in the same way as the upper layer, and overlaps with the upper first light path 4. The combined light beams are projected onto the second 45° total reflector 10 in front.The second 45° full reflector 10 pieces are vertically reflected onto the polarizer group 13, and the light beam is vertically emitted through the polarizer group 13. Similarly, the green light generated by the second laser light emitting diode is refracted in the same way as the blue light, realizing the two-in-one laser beam of two colors, making the light spot regular, neat, bright, narrow in length and width, and smaller in overall volume.

[0024] Although this specification is described according to implementation modes, not every implementation mode includes 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-layer dual-color integrated laser diode parallel device, characterized in that: The invention comprises a bottom cover (1), wherein a first support (2) and a second support (7) arranged side by side are mounted on one side of the upper surface of the bottom cover (1), and upper and lower rows of lens groups (3) are mounted on one side of the first support (2) and one side of the second support (7), wherein a first laser light emitting diode is mounted in the lens group (3) on the first support (2), and a second laser light emitting diode is mounted in the lens group (3) on the second support (7), and upper and lower rows of 45° triangular reflectors (18) matched with the lens groups (3) are mounted on one side of the upper surface of the bottom cover (1) away from the first support (2), wherein the upper and lower rows of 45° triangular reflectors (18) facing the first support (2) form a first light path (4) of upper and lower layers with a light beam generated by the first laser light emitting diode, and the upper and lower rows of 45° triangular reflectors (18) facing the second support (7) form a second light path (4) of upper and lower layers with a light beam generated by the second laser light emitting diode. The bottom cover (1) is provided with a first optical path (8), two groups of polarizing plates (13) are installed on a side of the upper surface of the bottom cover (1) away from the first support (2), two 45° polarizing plates (14) are installed on a side of the upper surface of the bottom cover (1) away from the polarizing plate group (13), the two 45° polarizing plates (14) are arranged alternately with the first support (2) and the second support (7), and the upper surface of the bottom cover (1) near the two 45° polarizing plates (14) are respectively installed with (4), a polarizing lens group (15) matched with the second optical path (8), a first 45° total reflection mirror (5) connected and fixed to the bottom cover (1) is provided on the side of the 45° polarizing film (14) away from the polarizing lens group (15), and a second 45° total reflection mirror (10) matched with the polarizing film group (13) is provided on the side of the 45° polarizing film (14) away from the polarizing lens group (15), and the second 45° total reflection mirror (10) is connected and fixed to the bottom cover (1).

2. A double-layer dual-color integrated laser diode parallel device according to claim 1, characterized in that: The 45° polarizing plate (14) is connected and fixed to the polarizing plate frame, and the polarizing plate frame is connected and fixed to the bottom cover (1).

3. The double-layer dual-color integrated laser diode parallel device according to claim 1, characterized in that: The 45° triangular reflector (18) is mounted on one end of a 45° triangular reflector frame (16), and the 45° triangular reflector frame (16) is mounted on the upper surface of the bottom cover (1).

4. The double-layer dual-color integrated laser diode parallel device according to claim 3, characterized in that: A plurality of bosses (17) are evenly fixed on a side of the upper surface of the bottom cover (1) away from the first support (2); the lower 45° triangular reflector frame (16) is mounted between two adjacent bosses (17); and the upper 45° triangular reflector frame (16) is mounted on the upper surface of the boss (17).

5. The double-layer dual-color integrated laser diode parallel device according to claim 1, characterized in that: Both ends of the bottom cover (1) are connected and fixed with a connecting plate (11), the upper surface of the connecting plate (11) is provided with two fixing holes (12), and the connecting plate (11) and the bottom cover (1) are an integrally formed structure.

6. The double-layer dual-color integrated laser diode parallel device according to claim 1, characterized in that: The first 45° total reflection mirror (5) is mounted on the surface of a first 45° total reflection mirror frame (6), the first 45° total reflection mirror frame (6) is mounted on the upper surface of the bottom cover (1), the second 45° total reflection mirror (10) is mounted on the surface of a second 45° total reflection mirror frame (9), and the second 45° total reflection mirror frame (9) is mounted on the upper surface of the bottom cover (1).