CN211655311U - Laser device - Google Patents

Abstract

The utility model discloses a laser instrument, it includes light source subassembly, optics plastic subassembly, optics collimation subassembly and is used for installing the radiator unit of light source subassembly, and optics plastic subassembly includes plano-convex lens, and optics collimation subassembly includes plano-convex lens and aspherical lens, and the light path of light source subassembly passes plano-convex lens, aspherical lens and plano-convex lens in proper order. The light emitted by the light source component is output as light spots after being shaped by the double-plano lens, and the light spots are output as uniform light spots after being collimated by the aspheric lens and the plano-convex lens, so that the uniformity of the light spots is improved. The utility model discloses it is rational in infrastructure, but wide application in laser equipment technical field.

Description

Laser device

Technical Field

The utility model relates to a laser equipment technical field, in particular to laser instrument.

Background

Lasers have played an increasingly important role in clinical diagnosis and treatment in modern medicine. According to different requirements of pathological diagnosis and clinical treatment, however, the traditional LED laser has low power, poor stability, easy generation of heat effect, small adjustable range of light spots and uneven light spots, and cannot realize a continuously tunable working mode.

SUMMERY OF THE UTILITY MODEL

For solving at least one among the above-mentioned technical problem, improve the even degree of facula, the utility model provides a laser instrument, the technical scheme who adopts as follows:

the utility model provides a laser instrument includes light source subassembly, optics plastic subassembly, optics collimation subassembly and is used for the installation the radiator unit of light source subassembly, optics plastic subassembly includes plano-convex lens, optics collimation subassembly includes plano-convex lens and aspherical lens, the light path of light source subassembly passes in proper order plano-convex lens aspherical lens with plano-convex lens.

Further, the heat dissipation assembly comprises a copper heat dissipation base and an aluminum heat dissipation shell, the copper heat dissipation base is installed in the aluminum heat dissipation shell, and the light source assembly is installed on the copper heat dissipation base.

Further, the copper heat dissipation base is provided with a substrate for mounting the light source assembly.

Further, a heat conduction structure is arranged between the substrate and the copper heat dissipation base.

Further, the heat conducting structure is heat conducting silicone grease or silver foil.

Furthermore, the substrate and the copper heat dissipation base are detachably mounted.

Further, the optical alignment assembly adjusts the distance between the optical alignment assembly and the optical shaping assembly through a focusing assembly, the focusing assembly is installed at the end of the heat dissipation assembly, the optical shaping assembly comprises a first base, the double-plane lens is installed on the first base, and the first base is installed on a shell of the focusing assembly.

Further, the optical alignment assembly is mounted in the housing of the focus assembly via a second mount.

Furthermore, the laser also comprises a power supply module, the power supply module is communicated with the light source assembly through a wire, and the power supply module comprises a dial switch, a current knob, a power supply input interface, an external control interface and a power supply output interface.

Further, the light source assembly comprises a plurality of LED light emitting chips.

Has the advantages that: the light emitted by the light source component is output as light spots after being shaped by the double-plano lens, and the light spots are output as uniform light spots after being collimated by the aspheric lens and the plano-convex lens, so that the uniformity of the light spots is improved. The utility model discloses it is rational in infrastructure, but wide application in laser equipment technical field.

Drawings

Fig. 1 is a structural view of a laser.

Detailed Description

The present invention will be further described with reference to fig. 1.

The utility model relates to a laser instrument, it includes light source subassembly 11, optics plastic subassembly, optics collimation subassembly and is used for installing the radiator unit of light source subassembly 11, and optics plastic subassembly is located the luminous side of light source subassembly 11. The light emitted by the light source component 11 is output as light spots after passing through the optical shaping component, and the light spots are output as uniform light spots through the optical collimating component.

The radiating component comprises a copper radiating base 15 and an aluminum radiating shell 16, the radiating effect is good, the aluminum radiating shell 16 is made of high-performance aviation aluminum, a plurality of radiating fins are formed on the outer side of the aluminum radiating shell 16, the copper radiating base 15 is installed in the aluminum radiating shell 16, the light source component 11 is installed on the copper radiating base 15, heat generated by the light source component 11 is discharged through the radiating component, the temperature of the light source component 11 is reduced, the heat effect is reduced, and the working stability of the laser is guaranteed.

The copper heat dissipation base 15 is provided with a base plate for mounting the light source assembly 11, the light source assembly 11 is fixed on the base plate through a heat conducting glue and screws, the base plate and the copper heat dissipation base 15 are detachably mounted, and the base plate is mounted on the copper heat dissipation base 15 through screws, so that the light source assembly 11 with different wavelengths can be replaced according to working requirements.

A heat conduction structure is arranged between the substrate and the copper heat dissipation base 15, heat dissipation can be enhanced, and the heat conduction structure is heat conduction silicone grease or silver foil.

The optical shaping component comprises a double-flat lens 12, and two surfaces of the double-flat lens 12 are plated with antireflection films. In some embodiments, the optical shaping assembly includes a first mount on which the bi-planar lens 12 is mounted, the first mount being mounted to the housing of the focusing assembly 17. The bi-plane lens 12 is fixed on the first base in one of the modes of heat conducting glue, ultraviolet glue, structural glue and the like, and the first base is fixed at one end of the shell of the focusing assembly 17 in a threaded and glue mode.

The optical alignment assembly adjusts the distance between the optical alignment assembly and the optical shaping assembly through the focusing assembly 17, so that the size of light spots is adjusted, and the focusing assembly 17 is installed at the end part of the heat dissipation assembly. The optical collimating component comprises a plano-convex lens 13 and an aspheric lens 14, the light spots output by shaping are collimated and output after passing through the aspheric lens 14 and the plano-convex lens 13, namely, the light path of the light source component 11 sequentially passes through the plano-plano lens 12, the aspheric lens 14 and the plano-convex lens 13. The plano-convex lens 13 and the aspheric lens 14 are installed in the focusing assembly 17, the optical collimating assembly is installed in a housing of the focusing assembly 17 through a second base, and the plano-convex lens 13 and the aspheric lens 14 are fixed on the second base in one of a heat conducting glue, an ultraviolet glue, a structural glue and the like. The housing of the focusing assembly 17 is rotated to adjust the distance between the aspheric lens 14 and the light source assembly 11, so as to adjust the size of the output light spot.

Focusing subassembly 17 adopts semi-automatic mode of regulation, changes traditional hand tool adjustment mode, optimizes the structure through mechanical design, and manual rotation focusing subassembly 17's shell makes inside optics collimation subassembly back-and-forth movement to adjust aspherical lens 14 and light source subassembly 11's distance.

The shell of focusing subassembly 17 is connected axle center structure screw, axle center structure screwed connection second base, aspherical lens 14 is connected to the second base, the tie point adopts gluey, screw thread and screw fixation, along with rotatory focusing subassembly 17's shell, the second base is rotatory on the screw thread of the inner wall of focusing subassembly 17 shell simultaneously, realize the back-and-forth movement, change aspherical lens 14 and light source subassembly 11's distance, the light that light source subassembly 11 sent passes through aspherical lens 14 output, the facula through aspherical lens 14 output passes through plano-convex lens 13 output again. The technical requirements are met through the connection, so that the uniformity and adjustability of the light spots are realized.

The laser further comprises a power supply module 18, the power supply module 18 is tiny and portable, the power supply module 18 is communicated with the light source assembly 11 through a conducting wire, and the power supply module 18 comprises a dial switch, a current knob, a power supply input interface, an external control interface and a power supply output interface. The dial switch is used for selecting CW, TTL, simulation and other three working modes, the external control interface is used for connecting an external control signal system, and the power module 18 can realize the continuous and modulation working modes of the light source component 11 and control the switch and the luminous power of the light source component 11.

The light source component 11 comprises a plurality of LED light-emitting chips, each LED light-emitting chip is arranged in an array mode, and the light emitted by the LED light-emitting chips is uniform and good in effect after being processed by the optical shaping component and the optical collimating component. The LED light-emitting chip adopts a low-power chip, saves energy, reduces heat, has large power per wavelength, has better effect than the output of an optical fiber, greatly improves the homogenization of light spots, and has outstanding aspects of power, volume, portability and the like.

The utility model relates to a laser instrument is small, adopts the LED of a plurality of low-power consumptions to send out light chip integrated configuration, realizes high-power output, and LED sends out light chip divergence angle big, and a plurality of LED send out light chip integration, realize the facula homogenization through optical structure. The optical fiber coupling structure is large in size, and an LED chip with low power consumption is adopted, because the divergence angle of the LED chip is large, the optical fiber coupling efficiency is low, the coupling efficiency is related to the diameter of the optical fiber core, and the diameter of the optical fiber core cannot be customized in consideration of practical application and material cost control. In addition, the light spots coupled and output by the optical fibers are in Gaussian distribution, the energy is in a mountain shape, and the power is low.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A laser, characterized by: the LED lamp bulb lamp.

2. The laser of claim 1, wherein: the heat dissipation assembly comprises a copper heat dissipation base (15) and an aluminum heat dissipation shell (16), the copper heat dissipation base (15) is installed in the aluminum heat dissipation shell (16), and the light source assembly (11) is installed on the copper heat dissipation base (15).

3. The laser of claim 2, wherein: the copper heat dissipation base (15) is provided with a substrate for mounting the light source assembly (11).

4. The laser of claim 3, wherein: and a heat conduction structure is arranged between the substrate and the copper heat dissipation base (15).

5. The laser of claim 4, wherein: the heat conducting structure is heat conducting silicone grease or silver foil.

6. The laser of claim 3, wherein: the substrate and the copper heat dissipation base (15) are detachably mounted.

7. The laser of claim 1, wherein: the optical alignment assembly is adjusted in distance from the optical shaping assembly through a focusing assembly (17), the focusing assembly (17) is installed at the end of the heat dissipation assembly, the optical shaping assembly comprises a first base, the bi-plane lens (12) is installed on the first base, and the first base is installed on a shell of the focusing assembly (17).

8. The laser of claim 7, wherein: the optical alignment assembly is mounted in a housing of the focus assembly (17) by a second mount.

9. The laser of claim 1, wherein: the LED lamp also comprises a power supply module (18), wherein the power supply module (18) is communicated with the light source assembly (11) through a wire, and the power supply module (18) comprises a dial switch, a current knob, a power supply input interface, an external control interface and a power supply output interface.

10. The laser of claim 1, wherein: the light source assembly (11) comprises a plurality of LED light-emitting chips.

Images