CN217425814U

CN217425814U - Multi-light source adjusting device for stereomicroscope

Info

Publication number: CN217425814U
Application number: CN202220892336.3U
Authority: CN
Inventors: 虞赟; 林谷园; 李敏; 沈建国
Original assignee: Fuzhou Customs Technical Center
Current assignee: Fuzhou Customs Technical Center
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-13
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a many light sources adjusting device for stereomicroscope, including enclosing the support of locating objective table week portion, the support evenly is provided with a plurality of light adjustment mechanism along circumference, light adjustment mechanism installs the light source along the vertical light source mounting bracket that the multilayer can reciprocate that is provided with on each light source mounting bracket, and the light source on the light source mounting bracket of lower floor can be followed the horizontal axis and rotated to lean on to one side on the objective table and shine to the objective table, and then through the refraction of light in objective table glass, eliminate the shadow of being shot the thing bottom. The device is favorable for improving the definition of the microscopic imaging of the seeds and enhancing the stereoscopic imaging effect of the microscopic imaging of the seeds.

Description

Multi-light source adjusting device for stereomicroscope

Technical Field

The utility model belongs to the technical field of microscopic imaging, concretely relates to a many light sources adjusting device for stereomicroscope.

Background

The stereoscopic microscope is a microscope with an erect stereoscopic impression. The device is widely applied to morphological feature observation of plant seeds and becomes key instrument and equipment essential for plant morphology research. In the process of the morphological detection and identification of the plant seeds at the port, the species of the plant seeds must be judged by observing the microscopic morphological characteristics of the seeds through a stereomicroscope. The clear microscopic picture is taken, which plays an important role in seed specimen preservation, species identification and related scientific research. Although the structure of the current stereoscopic microscope is more perfect, the definition of microscopic imaging of plant seeds is not high due to the manual operation factors of an instrument and a photographer, and the imaging mostly lacks of stereoscopic impression. Therefore, it is an unsettling trend to further improve the microscopic imaging definition of the plant seeds under the stereoscopic microscope and enhance the stereoscopic imaging effect. How to improve the microscopic imaging definition of the plant seeds and enhance the three-dimensional imaging effect is also a problem which needs to be solved urgently at present.

The current stereoscopic microscope has the following problems: the light source is fixed on the object lens or the bracket of the microscope, and is mostly provided with a single light source or a double light source with the same direction, the light emitted by the light source irradiates on the weed seed sample of the object stage, and then enters the imaging system through the reflection of the object lens, and finally the obtained imaging information is transmitted to the control computer. The light in a single direction or two different directions is easy to ensure that the local part of the seed sample can not receive the light completely or partially, so that the image of the local part of the seed obtained on a control computer is unclear or the image has shadow, and the definition of the microscopic imaging of the seed is directly influenced; the single light source or the peripheral light source is configured to uniformly adjust the brightness, so that the stereoscopic imaging effect of the seed microscopic image is poor.

Disclosure of Invention

An object of the utility model is to provide a many light sources adjusting device for stereomicroscope, the device do benefit to the definition and the three-dimensional imaging effect that improve the microscopic formation of image of seed.

In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a many light source adjusting device for stereomicroscope, is including enclosing the support of locating objective table week portion, the support evenly is provided with a plurality of light adjustment mechanism along circumference, light adjustment mechanism is along the vertical light source mounting bracket that is provided with the multilayer and can reciprocate, installs the light source on each light source mounting bracket, and the light source on the light source mounting bracket of lower floor can be followed the horizontal axis and rotated to lean on to one side on the objective table and shine to the objective table, and then through the refraction of light in objective table glass, eliminate the shadow of being shot the thing bottom.

Furthermore, vertical slide rails are respectively arranged at the left end and the right end of the light adjusting mechanism, each layer of light source mounting rack is horizontally arranged between the two vertical slide rails, and a ball screw pair and a driving motor thereof are arranged at one side or two sides of the light adjusting mechanism so as to drive the light source mounting racks to move up and down along the vertical slide rails; the light source mounting frame at the lowest layer is provided with a horizontal rotating frame which can rotate along a horizontal shaft and is driven to rotate by a rotating motor, and the light source is arranged on the horizontal rotating frame and is driven to rotate.

The power supply unit is electrically connected with each light source, the driving motor and the rotating motor respectively to supply power to the light sources, the driving motor and the rotating motor; the control unit is respectively and electrically connected with the power supply unit, each light source, the driving motor and the rotating motor so as to flexibly control the light emission of each light source and adjust the optical parameters, the irradiation height and the irradiation angle of each light source.

Further, the light source is a lamp tube arranged horizontally or a plurality of point light sources arranged in a horizontal direction array, and the plurality of point light sources can be controlled to be switched on and switched off and adjusted in optical parameters simultaneously or independently.

Furthermore, the support is formed by connecting a plurality of lateral frames, and each light adjusting mechanism is respectively arranged on the corresponding lateral frame; the adjacent side frames are detachably connected, so that the bracket can be opened laterally, and the object table is enclosed in the bracket.

Furthermore, the bracket is of a pentagonal structure formed by connecting five lateral frames, and the light adjusting mechanism is arranged on each lateral frame; the adjacent lateral racks are detachably hinged to increase or reduce the number of the lateral racks according to needs, so that the brackets with different polygonal structures are flexibly formed.

Furthermore, the objective table is of a two-layer glass structure, the lower layer is a fixed bottom glass plate, the bottom glass plate is a black opaque plate, a white opaque plate or transparent glass, and the upper layer is high-transparency glass capable of moving horizontally.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a many light sources adjusting device that can be used to stereomicroscope, the device can adjust the regulation structure of illumination intensity, height, angle in a flexible way through setting up around the objective table to effectively eliminate the shadow of being shot each angle of thing (being shot plant seed), improve the definition and the third dimension of the microscopic formation of image of stereomicroscope greatly. In addition, the device has the advantages of ingenious structural design, simple and convenient operation and easy assembly and disassembly. Therefore, the utility model discloses very strong practicality and wide application prospect have.

Drawings

Fig. 1 is a schematic side view of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 is a control schematic diagram of an embodiment of the present invention.

Fig. 4 is a schematic view of the opened state of the bracket in the embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1 and 2, the present embodiment provides a multi-light source adjusting device for a stereomicroscope, including a support 1 surrounding a periphery of an object stage, the support is uniformly provided with a plurality of light adjusting mechanisms 2 along a circumferential direction, the light adjusting mechanisms 2 are vertically provided with a plurality of layers of light source mounting frames 3 capable of moving up and down, each light source mounting frame is provided with a light source 4, a light source 401 on the light source mounting frame 301 at the lowest layer can rotate along a horizontal axis to lean on the object stage 5 obliquely and illuminate the object stage 5, and then a shadow at the bottom of a photographed object is eliminated through refraction of light rays in object stage glass.

In this embodiment, the left end and the right end of the light adjusting mechanism 2 are respectively provided with a vertical slide rail 6, each layer of light source mounting rack 3 is horizontally installed between the two vertical slide rails 6, and one side or two sides of each layer of light source mounting rack are provided with a ball screw pair and a driving motor 9 thereof so as to drive the light source mounting racks to move up and down along the vertical slide rails 6; the light source mounting bracket 301 at the lowermost layer is provided with a horizontal rotating bracket which can rotate along a horizontal shaft and is driven to rotate by a rotating motor, and the light source 401 is mounted on the horizontal rotating bracket so as to rotate under the driving of the horizontal rotating bracket.

As shown in fig. 3, the device further comprises a power supply unit and a control unit, wherein the power supply unit is electrically connected with each light source, the driving motor and the rotating motor respectively to supply power to the light sources, the driving motor and the rotating motor; the control unit is respectively and electrically connected with the power supply unit, each light source, the driving motor and the rotating motor so as to independently control each light source to emit light and adjust the optical parameters, the irradiation height and the irradiation angle of each light source.

According to the actual requirement, the light source can be a lamp tube arranged horizontally or a plurality of point light sources arranged in a horizontal direction array, and the plurality of point light sources can be controlled to be switched on and off and adjusted in optical parameters simultaneously or independently. In the present embodiment, the light source is a horizontal lamp tube.

In this embodiment, the support 1 is formed by connecting a plurality of lateral frames 101, and each light adjusting mechanism 2 is respectively installed on the corresponding lateral frame 101; the adjacent side frames 101 are detachably connected to each other so that the stand can be opened laterally to enclose the object table in the stand. In this embodiment, the support 1 is a pentagonal structure formed by connecting five lateral frames 101, and the light adjusting mechanism 2 is respectively arranged on each lateral frame 101; the adjacent lateral racks are detachably hinged, so that the number of the lateral racks is increased or reduced as required, and the brackets with different polygonal structures are flexibly formed. The open state of the stand 1 is shown in fig. 4.

In this embodiment, the stage 5 has a two-layer glass structure, the upper layer is a high-transmittance glass capable of moving horizontally, the lower layer is a fixed bottom glass plate, and the bottom glass plate can be a black opaque plate, a white opaque plate or a transparent glass, and can be fixed by selecting one of them.

The working process of the multi-light source adjusting device of the embodiment is as follows: s1, after the seeds are placed on the object stage, adjusting the light source mounting rack at the lowest layer to a set height, and simultaneously rotating the light source to an initial angle for imaging; and then observing the shadow part in the imaging image, and continuously adjusting the height of the light source mounting rack and the rotation angle of the light source so as to eliminate the shadow generated by the shot seeds on the object stage. S2, observing the brightness of the top surface and the periphery of the seed in the imaging graph, when the brightness is lower than that of the bottom surface of the seed, turning on the light sources on the upper light source mounting racks, and continuously adjusting the positions of the light sources through the corresponding light source mounting racks to enable the light sources to irradiate different parts of the seed; when the brightness of the top surface of the seed is the same as that of the other parts, the movement of the light source position is stopped. And S3, observing the definition and the stereoscopic impression of the whole seed imaging, respectively adjusting the brightness of each azimuth light source of each layer according to the observation result, and stopping adjusting the light sources when the image reaches the optimal display state.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a many light source adjusting device for stereomicroscope, its characterized in that, is including enclosing the support of locating objective table week portion, the support evenly is provided with a plurality of light adjustment mechanism along circumference, light adjustment mechanism installs the light source along the vertical light source mounting bracket that is provided with the multilayer and can reciprocates, on each light source mounting bracket, and the light source on the light source mounting bracket of lower floor can be followed the horizontal axis and rotated to lean on to one side on the objective table and shine to the objective table, and then through the refraction of light in objective table glass, eliminate the shadow of being shot the thing bottom.

2. The multi-light-source adjusting device for the stereomicroscope according to claim 1, wherein vertical slide rails are respectively arranged at the left end and the right end of the light adjusting mechanism, each layer of light source mounting rack is horizontally arranged between the two vertical slide rails, and a ball screw pair and a driving motor thereof are arranged at one side or two sides of the light source mounting rack so as to drive the light source mounting rack to move up and down along the vertical slide rails; the light source mounting frame at the lowest layer is provided with a horizontal rotating frame which can rotate along a horizontal shaft and is driven to rotate by a rotating motor, and the light source is arranged on the horizontal rotating frame and is driven to rotate.

3. The multi-light source adjusting device for the stereomicroscope according to claim 2, comprising a power supply unit and a control unit, wherein the power supply unit is electrically connected with each light source, the driving motor and the rotating motor respectively to supply power to the light sources; the control unit is respectively and electrically connected with the power supply unit, each light source, the driving motor and the rotating motor so as to flexibly control the light emission of each light source and adjust the optical parameters, the irradiation height and the irradiation angle of each light source.

4. The multi-light source adjusting apparatus for a stereomicroscope according to claim 1, wherein the light source is a horizontally disposed lamp or a plurality of point light sources disposed in a horizontal direction array, and the plurality of point light sources are capable of being controlled for switching and adjustment of optical parameters simultaneously or individually.

5. The multi-light source adjusting device for the stereomicroscope according to claim 1, wherein the support is composed of a plurality of side frames connected, and each light adjusting mechanism is installed on the corresponding side frame; the adjacent side frames are detachably connected, so that the bracket can be opened laterally, and the object table is enclosed in the bracket.

6. The multi-light source adjusting device for the stereomicroscope according to claim 5, wherein the frame is a pentagon structure formed by connecting five lateral frames, and the light adjusting mechanism is arranged on each lateral frame; the adjacent lateral racks are detachably hinged to increase or reduce the number of the lateral racks according to needs, so that the brackets with different polygonal structures are flexibly formed.

7. The multi-light source adjusting apparatus for a stereomicroscope according to claim 1, wherein the stage has a two-layer glass structure, the lower layer is a fixed bottom glass plate, the bottom glass plate is a black opaque plate, a white opaque plate or a transparent glass, and the upper layer is a horizontally movable high-transmittance glass.