CN213333724U

CN213333724U - Light source based on ball lens array

Info

Publication number: CN213333724U
Application number: CN202022553962.3U
Authority: CN
Inventors: 王博; 夏雷; 杜晓纯; 杨文军
Original assignee: Xinyi Manufacturing Technology Beijing Co ltd
Current assignee: Xinyi Manufacturing Technology Beijing Co ltd
Priority date: 2020-11-08
Filing date: 2020-11-08
Publication date: 2021-06-01
Anticipated expiration: 2030-11-08

Abstract

The utility model provides a light source based on ball-type lens array, including base, upper cover, the upper cover with can dismantle the connection between the base, the base orientation upper cover one side has a plurality of plane of reflection, on cover and be constructed light-emitting window and encircle a plurality of mounting holes that the light-emitting window interval set up, every be equipped with LED lamp source subassembly in the mounting hole, it is a plurality of LED lamp source subassembly is with a plurality of plane of reflection is the setting of one-to-one respectively, every the plane of reflection can be with corresponding the setting with it respectively the light reflection that LED lamp source subassembly sent extremely light-emitting window. The utility model discloses a plurality of plane of reflection will gather together with the energy of its a plurality of LED light sources of one-to-one, are showing and are improving excitation power.

Description

Light source based on ball lens array

Technical Field

The utility model belongs to the technical field of biochemical fluorescence detects, concretely relates to light source based on ball-type lens array.

Background

In the field of biochemical detection, a fluorescence detection method is an important technical means, and fluorescence is used as a display method of biochemical reaction progress and final results in a large amount of biochemical reactions. The fluorescent dye can excite fluorescence only by light with a specific waveband, and a common excitation light source comprises a laser, an LED, a halogen lamp and the like, wherein the LED has important application value due to the advantages of low cost, long service life, stable performance and the like, but the LED has wide light-emitting spectrum and poor directivity, so that energy is difficult to focus, and the requirement is difficult to meet under the scene of small excitation area and high excitation power.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention is to provide a light source based on a ball lens array, which gathers the energy of a plurality of LED light sources corresponding to each other one by one through a plurality of reflective surfaces, and significantly improves the excitation power.

In order to solve the problem, the utility model provides a light source based on ball-type lens array, including base, upper cover, the upper cover with can dismantle the connection between the base, the base orientation upper cover one side has a plurality of plane of reflection, on cover and be constructed light-emitting window and encircle a plurality of mounting holes that the light-emitting window interval set up, every be equipped with LED lamp source subassembly in the mounting hole, it is a plurality of LED lamp source subassembly and a plurality of plane of reflection is the setting of one-to-one respectively, every the plane of reflection can with it corresponds the setting respectively the light reflection that LED lamp source subassembly sent extremely light-emitting window.

Preferably, the LED light source assembly includes an LED light source and a ball lens, and the ball lens is connected with the LED light source as a whole and is located on a light path between the LED light source and the reflection surface.

Preferably, a flaring structure is formed at one end of the light outlet close to the base, and the flaring structure is gradually flared from the upper cover to one side of the base.

Preferably, the flaring structure has a reflective layer on a side facing the reflective surface.

Preferably, one end of the mounting hole close to the flaring structure is provided with a ring platform, the ring platform protrudes inwards along the radial direction of the mounting hole, the ball lens comprises a ball light-transmitting part and an annular flange surrounding the ball light-transmitting part, and the annular flange is connected to the side wall of the ring platform far away from the flaring structure in an abutting mode.

Preferably, the LED light source assembly further comprises a space ring, the space ring is located between the LED light source and the ball lens and integrated with the ball lens.

Preferably, the base and the upper cover are connected through bolts.

Preferably, the LED lamp source assemblies have 8 groups.

The utility model provides a pair of light source based on ball lens array, it is a plurality of light that LED lamp source subassembly sent forms behind each plane of reflection with one of them one-to-one respectively and assembles, and then has realized that the energy of a plurality of LED light sources assembles, can show the excitation power who improves the light source.

Drawings

Fig. 1 is a schematic cross-sectional view of a light source based on a ball lens array according to an embodiment of the present invention, in which black arrows indicate paths of light rays that are converged;

fig. 2 is a schematic perspective view of a light source based on a ball lens array according to an embodiment of the present invention, in which a state of a group of LED light source assemblies is only schematically shown.

The reference numerals are represented as:

1. a base; 11. a reflective surface; 2. an upper cover; 21. a light outlet; 22. mounting holes; 23. a ring platform; 31. an LED light source; 32. a ball lens; 321. a spherical light-transmitting part; 322. an annular flange; 33. a capture ring.

Detailed Description

Referring to fig. 1-2 in combination, according to the embodiment of the utility model, a light source based on ball lens array is provided, including base 1, upper cover 2 with can dismantle the connection between the base 1, base 1 orientation 2 one side of upper cover has a plurality of plane of reflection 11, be constructed light-emitting window 21 on the upper cover 2 and encircle a plurality of mounting holes 22 that light-emitting window 21 interval set up, every be equipped with LED lamp source subassembly in the mounting hole 22, it is a plurality of LED lamp source subassembly and a plurality of plane of reflection 11 difference one-to-one sets up, every plane of reflection 11 can be with it corresponds the setting respectively light reflection that LED lamp source subassembly sent extremely light-emitting window 21. In the technical scheme, light rays emitted by the plurality of LED light source components are converged after passing through the reflecting surfaces 11 corresponding to the LED light source components, so that energy convergence of the plurality of LED light sources is realized, and the excitation power of the light sources can be obviously improved.

As a specific embodiment of the LED light source assembly, preferably, the LED light source assembly includes an LED light source 31 and a ball lens 32, the ball lens 32 is connected with the LED light source 31 as a whole and is located on a light path between the LED light source 31 and the reflection surface 11, and the ball lens 32 can collect light emitted by the LED light source 31.

In some embodiments, a flaring structure is formed at one end of the light outlet 21 close to the base 1, the flaring structure is gradually widened from the upper cover 2 to one side of the base 1, further, a reflective layer is arranged on one side of the flaring structure facing the reflective surface 11, the flaring structure can form a larger light propagation space at a position between the upper cover 2 and the base 1, so that the amount of reflected light of the reflective surface 11 is as large as possible, and the reflective layer is designed to reflect stray light which is not received and converged to the light outlet 21 again, so as to further improve the excitation power of the light source.

In some embodiments, one end of the mounting hole 22 close to the flared structure has a collar 23, the collar 23 protrudes inward along a radial direction of the mounting hole 22, the ball lens 32 includes a ball light-transmitting portion 321 and an annular flange 322 surrounding the ball lens, and the annular flange 322 is connected to a side wall of the collar 23 away from the flared structure in an abutting manner, in this embodiment, the collar 23 can limit axial displacement of the ball lens 32 (the axial direction refers to an axial center extending direction of the mounting hole 22), that is, the mounting and positioning of the ball lens 32 are realized by the collar 23, which facilitates mounting.

In some embodiments, the LED light source assembly further includes a position-occupying ring 33, the position-occupying ring 33 is located between the LED light source 31 and the ball lens 32 and integrated with the ball lens 32, and the design of the position-occupying ring 33 can realize the relative position relationship between the LED light source 31 and the ball lens 32 by adjusting the thickness thereof, so as to further realize the adjustment of the light direction.

Preferably, the base 1 is connected with the upper cover 2 through a bolt, specifically, for example, a corresponding threaded hole and a through hole are formed in a position where the upper cover 2 is matched with the base 1, specifically, for example, a plurality of threaded holes are formed in the bottom wall of the upper cover 2, and a plurality of through holes are formed in the base 1 corresponding to the threaded holes, and at this time, the through holes are penetrated through by a bolt or a screw to be in threaded connection with the threaded holes.

In a specific embodiment, the total of 8 groups of the LED light source assemblies, the number of the corresponding reflecting surfaces is 8, the light intensity of each LED light source 31 is 100mW, and after the technical solution of the present invention is adopted, the light intensity is 300mW when the light outlet 21 is tested, so that the excitation power is significantly improved.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a light source based on ball lens array, its characterized in that, includes base (1), upper cover (2) with can dismantle the connection between base (1), base (1) orientation upper cover (2) one side has a plurality of plane of reflection (11), be constructed on upper cover (2) and go out light (21) and encircle a plurality of mounting hole (22) that light-emitting (21) interval set up, every be equipped with LED lamp source subassembly in mounting hole (22), it is a plurality of LED lamp source subassembly and a plurality of plane of reflection (11) respectively one-to-one setting, every plane of reflection (11) can be with it corresponds the setting respectively light that LED lamp source subassembly sent reflects extremely light-emitting (21).

2. The ball lens array based light source according to claim 1, wherein the LED light source assembly comprises an LED light source (31) and a ball lens (32), the ball lens (32) is connected with the LED light source (31) as a whole and is located on a light path between the LED light source (31) and the reflecting surface (11).

3. The ball lens array based light source according to claim 2, wherein an end of the light outlet (21) near the base (1) forms a flared structure, and the flared structure is gradually enlarged from the upper cover (2) to a side of the base (1).

4. The ball lens array based light source according to claim 3, wherein a side of the flared structure facing the reflective surface (11) has a reflective layer.

5. The ball lens array based light source according to claim 3, wherein the mounting hole (22) has a collar (23) at an end thereof near the flared structure, the collar (23) protrudes inward in a radial direction of the mounting hole (22), the ball lens (32) includes a ball light-transmitting portion (321) and an annular flange (322) surrounding the ball light-transmitting portion, and the annular flange (322) is in interference connection with a side wall of the collar (23) away from the flared structure.

6. The ball lens array based light source of claim 5, wherein the LED light source assembly further comprises a capture ring (33), the capture ring (33) being between the LED light source (31) and the ball lens (32) and being integral with the ball lens (32).

7. The ball lens array based light source according to claim 1, wherein the base (1) and the upper cover (2) are connected by bolts.

8. The ball lens array based light source of claim 1, wherein the LED light source components have 8 groups.