Projector and laser equipment

Abstract

The utility model discloses a projector and laser equipment, and belongs to the field of laser equipment. The laser light source is electrically connected with the substrate; the projection lens comprises a lens body, one end of the lens body is connected with a first annular part, a first groove is formed in the first annular part, the first annular part is connected with the substrate, and the laser light source is located in the first groove. The second annular part is connected to the other end of the mirror body, and a second groove is formed in the second annular part; and the depth of the first groove is greater than that of the second groove. The first annular part and the base plate are bonded through bonding glue. And a plurality of mounting holes are formed in the substrate. The positive electrode leading-out joint and the negative electrode leading-out joint are electrically connected with the laser light source and are connected with the substrate. The utility model has the technical effect that the energy consumption loss of the laser beam can be conveniently prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser equipment, especially a projector and laser equipment. BACKGROUND

[0002] Laser equipment is a kind of equipment using laser technology to realize specific functions, and is widely used in industry, medical treatment and military fields.

[0003] Optical device is an important component of laser equipment, and is mainly used for adjusting laser beam, and related optical devices such as DOE generally collimate and copy laser beam, but when copying, the efficiency of laser beam is divided, which easily leads to the loss of laser beam energy consumption. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a projector, which is convenient for preventing the loss of laser beam energy consumption, and also aims at providing a laser equipment.

[0005] TECHNICAL SCHEME

[0006] A projector, comprising:

[0007] A substrate;

[0008] A laser light source electrically connected to the substrate;

[0009] A projection lens, comprising a lens body, one end of the lens body is connected with a first annular part, a first groove is formed in the first annular part, the first annular part is connected with the substrate, and the laser light source is located in the first groove.

[0010] Optionally, a second annular part connected to the other end of the lens body is further included, and a second groove is formed in the second annular part.

[0011] Optionally, the depth of the first groove is greater than the depth of the second groove.

[0012] Optionally, the first annular part and the second annular part are integrally connected with the lens body.

[0013] Optionally, the first annular part and the substrate are adhesively connected through adhesive.

[0014] Optionally, the adhesive is HM adhesive or AA adhesive.

[0015] Optionally, a plurality of mounting holes are arranged on the substrate.

[0016] Optionally, a positive electrode lead-out connector and a negative electrode lead-out connector electrically connected to the laser light source are further included, and the positive electrode lead-out connector and the negative electrode lead-out connector are connected with the substrate.

[0017] Optionally, the material of the projection lens is glass or plastic.

[0018] A laser device comprises a projector.

[0019] Beneficial effects: the projection lens is used for adjusting the laser beam, and the projection lens only collimates the laser beam without copying, so that the efficiency of the laser beam is prevented from being halved, the loss of the energy consumption of the laser beam is prevented, high laser conversion efficiency is ensured, the required pump source power of the laser light source can be reduced under the same demand, the heat generation of the laser light source is small under the condition of the reduction of the pump source power, and the overall reliability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of a projector of the embodiment 1 of the utility model;

[0021] Figure 2 It is a structure schematic view of a projector of the embodiment 1 of the utility model;

[0022] Figure 3 It is Figure 2 the sectional view of A-A;

[0023] In the figure: 1, base plate; 11, mounting hole; 2, laser light source; 21, positive electrode lead-out connector; 22, negative electrode lead-out connector; 3, projection lens; 31, first annular part; 311, first recess; 32, second annular part; 321, second recess; 33, lens body; 4, adhesive. DETAILED DESCRIPTION

[0024] In order to make the technical scheme of the utility model more clear, the utility model is further described in detail in combination with the drawings and specific embodiments.

[0025] Embodiment 1

[0026] As Figures 1-3 , the embodiment provides a projector, which comprises a base plate 1, a laser light source 2 electrically connected with the base plate 1, and a projection lens 3 comprising a lens body 33, one end of the lens body 33 being connected with a first annular part 31, a first recess 311 being formed in the first annular part 31, the first annular part 31 being connected with the base plate 1, and the laser light source 2 being located in the first recess 311.

[0027] Specifically, the substrate 1 is used for not only bearing the laser light source 2, the first annular part 31 and the like, but also controlling the laser light source 2, and the substrate 1 is preferably a PCB board; the laser light source 2 is used for emitting a laser beam, and the laser light source 2 can be specifically a VCSEL (Vertical Cavity Surface Emitting Laser) laser light source, an EEL (Edge Emitting Laser) laser light source, an HCSEL (Horizontal Cavity Surface Emitting Laser) laser light source or an LED laser light source and the like, and is preferably a VCSEL laser light source; the projection lens 3 is used for adjusting the laser beam, and the projection lens 3 only collimates the laser beam without copying, so as to prevent the efficiency of the laser beam from being divided and to prevent the loss of the energy consumption of the laser beam, thereby ensuring a high laser conversion efficiency, and under the same demand, the pump source power required by the laser light source 2 can be reduced, and under the condition of the reduction of the pump source power, the heat generation of the laser light source 2 is small, and the overall reliability is improved; the lens body 33 is used for adjusting the laser beam as a main component of the projection lens 3; the first annular part 31 is used for connecting the lens body 33 and the substrate 1; and the first recess 311 is used for accommodating the laser light source 2.

[0028] Further, as shown in FIG. 1, the projection lens 3 further comprises a second annular part 32 connected to the other end of the lens body 33, and a second recess 321 is formed in the second annular part 32. Figures 1-3

[0029] Further, as shown in FIG. 1, the projection lens 3 further comprises a second annular part 32 connected to the other end of the lens body 33, and a second recess 321 is formed in the second annular part 32. Figure 3

[0030] Further, as shown in FIG. 1, the projection lens 3 further comprises a second annular part 32 connected to the other end of the lens body 33, and a second recess 321 is formed in the second annular part 32. Figure 3

[0031] Further, as shown in FIG. 1, the projection lens 3 further comprises a second annular part 32 connected to the other end of the lens body 33, and a second recess 321 is formed in the second annular part 32. Figures 1-3

[0032] Further, as shown in FIG. 1, the projection lens 3 further comprises a second annular part 32 connected to the other end of the lens body 33, and a second recess 321 is formed in the second annular part 32. Figures 1-3 ​​​​The adhesive 4 is HM adhesive or AA adhesive. Specifically, the HM adhesive, i.e. HM type polysulfide sealant, has the advantages of good durability and weather resistance; the AA adhesive, i.e. cyanoacrylate adhesive, has the advantages of fast curing speed and high adhesive strength.

[0033] Further, the substrate 1 is provided with a plurality of mounting holes 11. Figures 1-2 Specifically, the mounting holes 11 are used in cooperation with relevant fasteners to facilitate mounting of the projector in the related laser equipment, and the number of the mounting holes 11 is not limited and can be three, four, etc., and is preferably four.

[0034] Further, the substrate 1 is provided with a plurality of mounting holes 11. Figures 1-2 Further, the substrate 1 is provided with a plurality of mounting holes 11.

[0035] Further, the substrate 1 is provided with a plurality of mounting holes 11. Figures 1-3 Specifically, the glass facilitates easy cleaning and corrosion resistance of the projection lens 3, and the plastic facilitates light weight and good chemical stability of the projection lens 3.

[0036] The embodiment also provides a laser equipment comprising the projector.

[0037] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the patent scope of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A projector characterized by comprising: Comprising: a substrate (1), which is a PCB board; a laser light source (2) electrically connected with the substrate (1); a projection lens (3) comprising a lens body (33), one end of the lens body (33) is connected with a first annular part (31), a first groove (311) is formed in the first annular part (31), the first annular part (31) is connected with the substrate (1), and the laser light source (2) is located in the first groove (311); further comprising a second annular part (32) connected to the other end of the lens body (33), a second groove (321) is formed in the second annular part (32); the depth of the first groove (311) is greater than the depth of the second groove (321); the first annular part (31) and the second annular part (32) are integrally connected with the lens body (33).

2. A projector according to claim 1, wherein the first annular part (31) and the substrate (1) are bonded by an adhesive (4).

3. A projector according to claim 2, wherein, the adhesive (4) is HM glue or AA glue.

4. A projector according to claim 1, wherein a plurality of mounting holes (11) are provided on the substrate (1).

5. The projector of claim 1, wherein, further comprising a positive electrode lead-out connector (21) and a negative electrode lead-out connector (22) electrically connected with the laser light source (2), the positive electrode lead-out connector (21) and the negative electrode lead-out connector (22) are connected with the substrate (1).

6. A projector according to claim 1, wherein the material of the projection lens (3) is glass or plastic.

7. A laser apparatus, characterized by comprising: a projector comprising any one of claims 1-6.

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