CN218675480U

CN218675480U - Light receiving device

Info

Publication number: CN218675480U
Application number: CN202222191588.6U
Authority: CN
Inventors: 徐佳女
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-03-21
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a receive light device, include: the support plate, the support plate sets up the right side at the determinand, the right side of support plate is provided with concave surface reflector, the left side of determinand is provided with the apron, the left side of apron is provided with the first lens that is used for receiving light, the left side of first lens is provided with second lens for the focus, the left side of second lens is provided with the detector, and the detector is located the light focus department after the second lens gathers together. The first lens and the second lens which are relatively simple in processing procedure can replace the detection effect produced by the Schmidt correction plate, so that the production cost of optical instruments such as a cytometer can be effectively reduced by arranging the first lens and the second lens, and the production efficiency of the optical instruments is improved.

Description

Light receiving device

Technical Field

The utility model relates to an imaging and light collection technical field specifically are a receive light device.

Background

Light is ubiquitous in life, wherein the optical imaging technology is also inseparable from the research field, and optical instruments such as microscopes and cytometers are used for observing particles at the cell level by using the optical imaging technology.

At present, schmitt correction plates (called as flat non-spherical corrector plates or aberration corrector plates in the patent) are adopted in the flow cytometer of chinese patent CN201380039184 and the flow cytometer of CN201480074396 to correct the aberration after cell imaging, so as to increase the accuracy of the cell observation of the apparatus, and make the study of the cell level more smooth, however, while the schmitt correction plates are used in the flow cytometer to correct the aberration, the following disadvantages are also existed:

the schmidt correction plate needs to be polished and trimmed in a vacuum device in the production process, a plate is deformed and a pattern-free concave surface generates an accurate curve in vacuum, the schmidt correction plate is difficult to deform, the machining precision requirement is high, and debugging and correcting of a light-gathering focal length after the schmidt correction plate is installed are difficult.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a receive light device has solved the problem of mentioning in the above-mentioned background.

The utility model provides a following technical scheme:

a light receiving device comprising: the support plate, the support plate sets up the right side at the determinand, the right side of support plate is provided with concave surface mirror, the left side of determinand is provided with the apron, the left side of apron is provided with the first lens that is used for receiving light, the left side of first lens is provided with second lens for the focus, the left side of second lens is provided with the detector, and the detector is located the light focus department after the second lens gathers together.

Preferably, the carrier plate is a flat plate structure made of transparent materials.

Preferably, the surface of the concave reflector is provided with a concave structure, and the concave surface of the concave reflector is plated with a reflecting film.

Preferably, the cover plate is a flat plate structure made of transparent materials.

Preferably, the first lens is a single lens with a preset negative power.

Preferably, the second lens is a single lens with a preset positive focal power.

Preferably, the first lens is a cemented lens having a preset negative power.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this receipts light device, through setting up first lens and second lens and drawing in and focusing respectively the light that the determinand sent, make the light that the determinand sent still clearly present on the detector after the refraction, namely, adopt the comparatively simple first lens of procedure and second lens can replace the produced detection effect of schmidt correction plate, consequently through setting up first lens and second lens, can effectively reduce the manufacturing cost of optical instruments such as cytometers, and the production efficiency thereof is improved simultaneously, recycle second lens and cemented lens can carry out the ability of replacing, make the debugging of receiving the light device modify spotlight focus simpler.

Drawings

Fig. 1 is a schematic structural diagram of a principle of optical imaging refraction aberration correction according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of a principle of refraction correction aberration for light imaging according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 3 according to the present invention.

In the figure: 1. a carrier plate; 2. an object to be tested; 3. a cover plate; 4. a concave reflector; 5. a first lens; 6. a second lens; 7. a detector; 8. and (4) gluing the lens.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, in the first embodiment: the utility model provides a receive light device, includes support plate 1, and support plate 1 sets up on the right side of determinand 2, and the right side of support plate 1 is provided with concave reflector 4, and the left side of determinand 2 is provided with apron 3, and the left side of apron 3 is provided with the first lens 5 that is used for receiving light, and the left side of first lens 5 is provided with second lens 6 for the focus, and the left side of second lens 6 is provided with detector 7, and detector 7 is located the light focus department after second lens 6 gathers together.

Wherein; the support plate 1 is a flat plate structure made of transparent materials with certain strength and rigidity, the support plate 1 can be made of materials such as glass, quartz and PMMA according to specific use conditions, light rays of the object to be measured 2 after refraction can stably penetrate through the support plate 1, and influence caused by irradiation of the support plate 1 during light refraction is reduced.

Wherein; concave reflector 4 is for having the material of certain intensity and rigidity, and makes the concave surface structure on it, has plated the reflectance coating on concave surface of concave reflector 4, sets up the reflectance coating and increases concave reflector 4's reflection of light degree, has improved concave reflector 4's refraction efficiency simultaneously, the loss that produces when reducing the light refraction.

Wherein; the flat plate structure that apron 3 was made for the transparent material that has certain intensity and rigidity, and apron 3 has spacing and fixed function, utilizes apron 3 to fix determinand 2, avoids determinand 2 to take place to remove and influences the formation of image.

Wherein; the first lens 5 is a single lens with certain negative focal power, can adjust the light receiving distance, scatters the reflected light to the second lens 6, and improves the resolution of the reflected light.

Wherein; the second lens 6 is a single lens with certain positive focal power, the second lens 6 is used for focusing light diverged by the first lens 5, and imaging aberration is reduced through the cooperation of the first lens 5 and the second lens 6.

During the use, will be through the determinand 2 of handling place in the center department of support plate 1, then utilize apron 3 to fix determinand 2 again, make determinand 2 stabilize on support plate 1, later introduce the light source and shine determinand 2, the light that enters determinand 2 and send can direct mapping on concave reflector 4, concave reflector 4 can gather together the light that sees through determinand 2 this moment and send, then utilize first lens 5 to disperse the light that concave reflector 4 reflection was gathered together, increase the resolution ratio of light, the light after the dispersion can shoot second lens 6, the focus of entering second lens 6, the last 2 physiques of enlargeing 2 of determinand can present on detector 7, for the observation.

In the second embodiment: the first lens 5 is a cemented lens with a preset negative focal power, the light receiving distance can be adjusted, the reflected light rays are scattered to the second lens 6, and the resolution of the reflected light rays is improved. As shown in fig. 3-4, the cemented lens is denoted by reference numeral 8 in fig. 3 to distinguish it from the single lens in the first embodiment.

During the use, according to the characteristic requirement of determinand 2, the single lens is replaced by the cemented lens 8 which is attached to the characteristic of the determinand 2, the treated determinand 2 is placed at the center of the carrier plate 1, then the cover plate 3 is used for fixing the determinand 2, so that the determinand 2 is stabilized on the carrier plate 1, then the light source is introduced to irradiate the determinand 2, the light emitted by the determinand 2 is directly mapped on the concave reflector 4, at the moment, the concave reflector 4 gathers the light emitted by the determinand 2, then the cemented lens 8 is used for dispersing the light gathered by the concave reflector 4, the resolution of the light is increased, the dispersed light is emitted to the second lens 6 and is focused by the second lens 6, and finally the amplified shape of the determinand 2 is displayed on the detector 7 for observation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A light collecting device, comprising: the optical fiber detection device comprises a carrier plate (1), the carrier plate (1) is arranged on the right side of an object to be detected (2), a concave reflector (4) is arranged on the right side of the carrier plate (1), a cover plate (3) is arranged on the left side of the object to be detected (2), a first lens (5) used for collecting light is arranged on the left side of the cover plate (3), a second lens (6) used for focusing is arranged on the left side of the first lens (5), a detector (7) is arranged on the left side of the second lens (6), and the detector (7) is located at the light focus position after the second lens (6) is gathered together.

2. A light collecting device according to claim 1, characterized in that said carrier plate (1) is a flat plate structure made of transparent material.

3. A light collecting device according to claim 1, characterized in that the surface of said concave reflecting mirror (4) is provided with a concave structure, and the concave surface of said concave reflecting mirror (4) is plated with a reflective film.

4. A light collecting device according to claim 1, characterized in that said cover plate (3) is a flat plate structure made of transparent material.

5. A light harvesting device according to claim 1, wherein the first lens (5) is a single lens having a predetermined negative power.

6. A light harvesting device according to claim 1, characterized in that the second lens (6) is a single lens with a predetermined positive power.

7. A light collecting device according to claim 1, characterized in that said first lens (5) is a cemented lens with a predetermined negative power.