CN108037580A - A light guide microscope - Google Patents

Abstract

The invention discloses a light guide microscope, which relates to the technical field of optical illumination and comprises an objective table, a light source, an objective system and a light guide system, wherein the objective table is used for placing a specimen or a specimen slice, the light source is arranged above the objective table, the objective system is arranged above the objective table and is positioned at the same side with the light source, the light guide system is formed in the objective table, light emitted by the light source penetrates through the objective table and is reflected and transmitted to the bottom surface of the specimen or the specimen slice on the objective table through the light guide system in the objective table, so that the technical scheme emits light through the light source, penetrates through the objective table, is reflected through the light guide system in the objective table and is transmitted to the bottom surface of the specimen or the specimen slice on the objective table, the technical scheme realizes light conduction through the combination of the objective table and the light guide system, not only has small volume and low cost, and the processing is easy, the light is soft, and the light guide irradiation performance is good.

Description

A light guide microscope

technical field

The invention relates to the technical field of optical illumination, in particular to a light guide microscope.

Background technique

Nowadays, as a precision optical instrument, the microscope has been widely used in different fields, especially in the fields of medicine, biology, and experimental teaching. Its performance depends largely on the light source device under the microscope. Traditional microscopes basically use an independent downlight LED as the light source, which is bulky and expensive, and generally cannot obtain the expected illumination effect. Therefore, in order to make the microscope’s LED illumination effect play the best state and achieve a bright field of view, No glare, uniform illumination, the optical design needs to be carried out according to the characteristics of the illumination system of the microscope.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a light-guiding microscope with small volume, low cost and good light-guiding irradiation performance.

The technical scheme that the present invention adopts for solving its technical problem is:

A light guide microscope, comprising:

an object stage, the object stage is used to place a specimen or a specimen sheet;

a light source, the light source is arranged above the stage;

An objective lens system, the objective lens system is arranged above the stage and on the same side as the light source;

The light guide system is formed in the stage, and the light emitted by the light source passes through the stage and is reflected and transmitted to the specimen or the bottom surface of the specimen sheet on the stage through the light guide system inside.

As an improvement of the above technical solution, the object stage is integrally made of optical-grade light-transmitting plastic material.

As a further improvement of the above technical solution, the light guide system includes a first reflective mirror surface correspondingly formed in the object stage, the first reflective mirror surface is used to reflect the light emitted by the light source and transmit it to the object stage on the underside of the specimen or slide.

Further preferably, the first mirror surface is correspondingly located below the center of the line connecting the light source and the objective lens system.

In the present invention, the light guiding system further includes a second reflective mirror that is correspondingly arranged under the light source, and a third reflective mirror that is correspondingly arranged under the objective lens system, and the second reflective mirror is used to transmit the light emitted by the light source. The light is reflected to the third reflective mirror surface, and the third reflective mirror surface transmits the light to the specimen or the bottom surface of the specimen sheet on the stage.

Preferably, the second reflective mirror surface and the third reflective mirror surface are integrally formed in the object stage.

Preferably, the shapes of the second reflective mirror surface and the third reflective mirror surface are both pyramid-shaped.

Preferably, the light source is a low voltage light emitting source.

Beneficial effects of the present invention: the present invention includes an object stage, a light source, an objective lens system, and a light guide system, the object stage is used to place specimens or specimen sheets, the light source is arranged above the object stage, and the The objective lens system is arranged above the stage and on the same side as the light source. The light guide system is formed in the stage, and the light emitted by the light source passes through the stage and is reflected and transmitted to the stage through the light guide system inside. The bottom surface of the specimen or specimen sheet on the stage, so that this technical solution emits light through the light source, then passes through the stage, and then reflects and transmits to the specimen or specimen sheet on the stage through the light guide system in the stage On the bottom surface, compared with the traditional technology using an independent downlight LED as the light source, this technical solution realizes light transmission through the combination of the stage and the light guide system. It is not only simple in structure, small in size, low in cost, but also easy to process. The light is soft, the light guide performance is good, and the lighting structure under the stage is also omitted, the whole system is simplified, the user experience is good, and the application prospect is wide, thus greatly enhancing the market competitiveness of the manufacturer.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a structural schematic diagram one of the present invention;

Fig. 2 is a schematic diagram of the second structure of the present invention.

Detailed ways

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative relationship between the components in a certain posture (as shown in the accompanying drawings). When the positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions involving "first", "second" and so on in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

With reference to Fig. 1, Fig. 2, a kind of light guide type microscope comprises object stage 10, light source 20, objective lens system 30, light guide system 40, and described object stage 10 is used for placing specimen or specimen sheet, and described light source 20 It is arranged above the stage 10, the objective lens system 30 is arranged above the stage 10 and on the same side as the light source 20, the light guide system 40 is formed in the stage 10, and the light source 20 The emitted light passes through the stage 10 and is reflected and transmitted to the specimen or the bottom surface of the specimen sheet on the stage 10 through the light guide system 40 therein, so that this technical solution emits light through the light source 20, and then passes through the stage 10, Then it is reflected by the light guide system 40 in the stage 10 and transmitted to the bottom surface of the specimen or specimen sheet on the stage 10. Compared with the traditional technology that uses an independent downlight LED as the light source, this technical solution passes through the stage 10 and the light guide system 40 to achieve light transmission, not only simple in structure, small in size, low in cost, but also easy to process, soft in light, good in light guide performance, and also saves the lighting under the stage The structure simplifies the whole system, the user experience is good, and the application prospect is wide, thus greatly enhancing the market competitiveness of the manufacturer.

Preferably, the object table 10 is integrally formed of optical-grade light-transmitting plastic material, because the optical-grade light-transmitting plastic material is heat-resistant, temperature-resistant, weather-resistant, impact-resistant, strength-resistant and environmentally friendly, but the present invention does not limit The object stage 10 is made of optical-grade light-transmitting plastic material, as long as the same technical effect is achieved by basically similar technical means, it is within the protection scope of the present invention.

The first preferred embodiment of the present invention: the light guide system 40 includes a first reflective mirror surface correspondingly formed in the object stage 10, the first reflective mirror surface is used to reflect and transmit the light emitted by the light source 20 To the bottom surface of the specimen or specimen sheet on the stage 10, the first reflective mirror surface is correspondingly located below the center of the line connecting the light source 20 and the objective lens system 30, where the first reflective mirror surface can be molded by casting Molded in the carrier 10, the casting method not only requires less production investment, but also can produce products with excellent performance. In this way, the technical solution first emits light through the light source 20, secondly through the carrier 10, and then through Correspondingly arranged under the center of the line connecting the light source 20 and the objective lens system 30 and located in the first mirror surface of the stage 10 to reflect and transmit to the specimen or the bottom surface of the specimen sheet on the stage 10 .

The second preferred embodiment of the present invention: the light guide system 40 also includes a second reflective mirror surface 41 correspondingly arranged below the light source 20, and a third reflective mirror surface 42 correspondingly arranged below the objective lens system 30. The two reflective mirror surfaces 41 are used to reflect the light emitted by the light source 20 to the third reflective mirror surface 42, and the third reflective mirror surface 42 transmits the light to the specimen or the bottom surface of the specimen sheet on the stage 10, preferably, the first reflective mirror surface Both the two reflective mirror surfaces 41 and the third reflective mirror surface 42 can be molded in the stage 10 by casting, and further preferably, the shapes of the second reflective mirror surface 41 and the third reflective mirror surface 42 are truncated, Certainly, the present invention does not limit the shape to be a truncated prism, and can also be other shapes. As long as the same technical effect is achieved by similar technical means, it is within the protection scope of the present invention. Like this, the technical scheme sends light through the light source 20 earlier. Secondly, through the stage 10, the light is reflected to the third reflector 42 below the objective lens system 30 by the second reflector 41 below the light source 20, and then the light is transmitted to the third reflector 42 on the stage 10 by the third reflector 42. The bottom surface of the specimen or specimen sheet. In this way, the cooperation of the stage 10 with the second mirror surface 41 and the third mirror surface 42 in this technical solution makes the light softer and the light irradiation performance is better.

Preferably, the light source 20 is a low voltage light source.

The preferred implementation of the present invention has been described in detail above. Of course, the present invention can also adopt different forms from the above-mentioned embodiments. Those skilled in the art can make equivalent transformations or corresponding equivalents without violating the spirit of the present invention. Any changes should fall within the protection scope of the present invention.

Claims (8)

1. A kind of 1. light-guiding type microscope, it is characterised in that including：

   Objective table (10), the objective table (10) are used to place sample or sample slice；

   Light source (20), the light source (20) are arranged at the top of the objective table (10)；

   Objective system (30), the objective system (30) are arranged at the top of objective table (10) and with light source (20) positioned at same Side；

   Light-conducting system (40), the light-conducting system (40) are taken shape in objective table (10), and the light that the light source (20) sends is saturating Cross objective table (10) and by light-conducting system (40) reflection in it and the sample being sent on objective table (10) or sample slice bottom Face.
2. A kind of 2. light-guiding type microscope according to claim 1, it is characterised in that：The objective table (10) uses optical grade Light-passing plastic material is integrally formed making.
3. A kind of 3. light-guiding type microscope according to claim 1, it is characterised in that：The light-conducting system (40) includes a pair The first mirror surface in the objective table (10) should be taken shape in, first mirror surface is used for the light for sending light source (20) Line reflection and the sample being sent on objective table (10) or sample slice bottom surface.
4. A kind of 4. light-guiding type microscope according to claim 3, it is characterised in that：First mirror surface, which corresponds to, to be located at The light source (20) and the central lower of objective system (30) line.
5. A kind of 5. light-guiding type microscope according to claim 1, it is characterised in that：The light-conducting system (40) further includes one The second mirror surface (41) being correspondingly arranged in below light source (20), and one be correspondingly arranged in below objective system (30) Three mirror surfaces (42), second mirror surface (41) are used to the light that light source (20) is sent reflexing to the 3rd mirror surface (42) on, light is sent to sample or sample slice bottom surface on objective table (10) by the 3rd mirror surface (42) again.
6. A kind of 6. light-guiding type microscope according to claim 5, it is characterised in that：Second mirror surface (41) and 3rd mirror surface (42) is shaped in the objective table (10).
7. A kind of 7. light-guiding type microscope according to claim 6, it is characterised in that：Second mirror surface (41) and The shape of 3rd mirror surface (42) is in prism-frustum-shaped.
8. A kind of 8. light-guiding type microscope according to claim 1 to 7 any claim, it is characterised in that：The light source (20) it is low-voltage light emitting source.