Portable microscope

Abstract

The utility model relates to a portable microscope, which comprises a lens cone, a power supply assembly and a light source assembly which are arranged in the lens cone, an aperture assembly, an objective table assembly, an objective lens module and an eyepiece module which are sequentially arranged along the light emitting direction of the light source assembly, and an observation plate which is in buckling fit and popping fit with the objective table assembly, wherein the light source assembly is electrically connected with the power supply assembly, the aperture assembly is rotatably connected with the lens cone, and the objective table assembly and the objective lens module are both movably connected with the lens cone. The portable microscope provided by the utility model is simple in structure, convenient to use and low in cost, satisfies the exploration of the form and size of dust mites by vast dust mite allergy patients, and the exploration and research of the dust mite content in home environment and working environment and the dust mite carrying condition of the patients, and meanwhile, has a good application prospect. And the device can be used for observing structures of various microorganisms, animals and plants by carrying conventional slides, is suitable for middle school students and primary school students, and provides an experimental tool for improving operational ability and cultivating exploration awareness for teenagers.

Description

Technical Field

[0001] The utility model relates to the field of microscopes, and more specifically, to a portable microscope. Background Art

[0002] With the development of urbanization and modernization in my country, the incidence of allergic diseases has been rising year by year. Among the allergens that cause allergic diseases, the most common one is dust mites. Dust mites live in the dust that we are most familiar with in our daily lives. Children often put their hands or stuffed toys in their mouths and eat about 100g of dust every day. A survey of indoor allergens in 9 cities across the country found that the detection rate of dust mites in domestic household dust samples was 95%, and the distribution of dust mites in the southern and central regions was significantly higher than that in the northern and western regions. It can be seen that dust mites are around us, and most patients lack understanding of allergens. If a popular science portable microscope that can observe dust mites and preliminarily detect whether patients carry dust mites can be designed, it can allow patients to deepen their understanding of the scientific knowledge of the disease and make it more convenient for medical staff to provide health education to patients. However, portable microscopes for observing and counting dust mites are in a blank stage in China, and there is a lack of relevant instruments and equipment for popular science. Utility Model Content

[0003] The utility model aims to overcome at least one defect of the above-mentioned prior art and provide a portable microscope for solving the problem that the popular science angle of the actual observation of allergens in China is at a blank stage and there is a lack of relevant instruments and equipment for popular science.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A portable microscope comprises: a lens barrel, a power supply assembly and a light source assembly arranged in the lens barrel, an aperture assembly, a stage assembly, an objective lens module and an eyepiece module arranged in sequence along the light emitting direction of the light source assembly, and an observation plate that is snap-fitted and pop-fitted with the stage assembly; wherein the light source assembly is electrically connected to the power supply assembly, the aperture assembly is rotatably connected to the lens barrel, and the stage assembly and the objective lens module are both movably connected to the lens barrel.

[0006] In one embodiment, the stage assembly includes a stage body and a first adjustment member and a second adjustment member disposed on the stage body and movably connected to the lens barrel; the first adjustment member is used to adjust the forward and backward movement of the stage body, and the second adjustment member is used to adjust the left and right movement of the stage body.

[0007] In one embodiment, the first adjusting member and the second adjusting member are screw-nut pairs or gear transmission assemblies.

[0008] In one of the embodiments, the observation plate is provided with a buckle, and the stage body is provided with a push-to-pop-out slot that cooperates with the buckle.

[0009] In one embodiment, the stage body includes a tray with a buckle, and a shell that pushes and pulls with the tray, the shell is provided with a push-to-pop-up slot that cooperates with the buckle, and the tray is used to place the observation plate.

[0010] In one of the embodiments, the objective lens module is movably connected to the lens barrel via a third adjusting member, and the third adjusting member is used to adjust the up and down movement of the objective lens module for focusing the microscope.

[0011] In one embodiment, the objective lens module includes a converter and an objective lens detachably connected to the converter, the converter is connected to the third adjustment member, and a position on the lens barrel between the stage assembly and the objective lens module is set to be detachably connected.

[0012] In one embodiment, the objective lens module includes at least two objective lenses with different magnifications.

[0013] In one embodiment, the switch of the power supply assembly and the light source assembly are designed as one body, and the switch is set as a knob switch, and the knob switch is used to adjust the on / off and brightness of the light source assembly; and / or the power supply assembly is provided with a USB port for charging.

[0014] In one embodiment, the observation plate includes a counting plate and a slide, and the observation plate is provided with grid lines for convenient counting.

[0015] Compared with the prior art, the beneficial effects of the present invention include at least:

[0016] The portable microscope of the present technical solution has a simple structure, is easy to use, and has low cost. It meets the needs of the majority of patients with dust mite allergies to explore the shape and size of dust mites, as well as the exploration and research of the dust mite content in the home environment and work environment and the patient's own dust mite carrying situation, enhances the patient's understanding of dust mites, allows patients to better receive health education from doctors and nurses, and enhances the cleanliness of the home environment and work environment. At the same time, it can also be equipped with conventional glass slides for the observation of various microorganisms, animal and plant structures, and is suitable for use by middle and primary school students, providing a kind of experimental tool for young people to improve their hands-on ability and cultivate the awareness of exploration and knowledge. Specifically, the portable microscope of the present technical solution combines the power supply component, the light source component, the stage component, the objective lens module and the eyepiece module through the lens barrel, inserts the observation board with dust mites into the stage component and fixes it with a buckle, the user turns on the power supply component, turns on the light source component to emit light, and adjusts the aperture component, the stage component and the objective lens module to achieve field of view adjustment, thereby observing the shape and number of dust mites in the observation board, and after the observation is completed, the observation board is pressed to pop out, which is convenient for the removal of the observation board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the portable microscope of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the counting board of the utility model.

[0019] 10. Lens barrel; 11. Lens barrel buckle; 20. Light source assembly; 30. Aperture assembly; 40. Stage assembly; 41. Stage body; 42. First adjustment member; 43. Second adjustment member; 50. Objective lens module; 51. Third adjustment member; 60. Eyepiece module; 70. Observation plate. DETAILED DESCRIPTION

[0020] The drawings of the present invention are only used for illustrative purposes and cannot be construed as limiting the present invention. In order to better illustrate the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0021] Example 1

[0022] like Figure 1 A portable microscope shown in the figure comprises: a lens barrel 10, a power supply assembly and a light source assembly 20 arranged in the lens barrel 10, an aperture assembly 30, a stage assembly 40, an objective lens module 50 and an eyepiece module 60 arranged in sequence along the light emitting direction of the light source assembly 20, and an observation plate 70 that is snap-fitted and pop-fitted with the stage assembly 40; wherein the light source assembly 20 is electrically connected to the power supply assembly, the aperture assembly 30 is rotatably connected to the lens barrel 10, and the stage assembly 40 and the objective lens module 50 are both movably connected to the lens barrel 10.

[0023] The portable microscope of this embodiment has a simple structure, is easy to use, and is low in cost. It meets the needs of the majority of patients with dust mite allergies to explore the morphology and size of dust mites, as well as the exploration and research of the dust mite content in the home environment and work environment and the patients' own dust mite carrying conditions. It enhances patients' understanding of dust mites, allows patients to better receive health education from doctors and nurses, and enhances the cleanliness of home and work environments. At the same time, it can also be equipped with conventional glass slides for the observation of various microorganisms, animal and plant structures. It is suitable for use by middle and primary school students, and provides young people with an experimental tool to improve their hands-on ability and cultivate a sense of exploration and knowledge. Specifically, the portable microscope of this embodiment combines the power supply assembly, the light source assembly 20, the stage assembly 40, the objective lens module 50, and the eyepiece module 60 through the lens barrel 10. This embodiment takes the observation board 70 as a counting board as an example. The user takes 1g or 1mm by cleaning the dust in the bedroom or a certain area. 3Dust is dissolved in a certain amount of water to form a dust mite solution, which is then injected into a counting board. The counting board is inserted into the stage assembly 40 and fixed with a snap. The user turns on the power supply assembly to power on the light source assembly 20 and adjusts the aperture assembly 30, the stage assembly 40 and the objective lens module 50 to adjust the field of view, thereby observing the shape and number of dust mites in the counting board. After the observation is completed, the counting board is pressed to pop out, which facilitates the removal of the counting board.

[0024] The stage assembly 40 described in this embodiment includes a stage body 41 and a first adjustment member 42 and a second adjustment member 43 provided on the stage body 41 and movably connected to the lens barrel 10; the first adjustment member 42 is used to adjust the forward and backward movement of the stage body 41, that is, to adjust the movement of the stage body 41 along the x-axis direction, and the second adjustment member 43 is used to adjust the left and right movement of the stage body 41, that is, to adjust the movement of the stage body 41 along the y-axis direction, thereby moving the counting plate placed on the stage body 41 to adjust the observation field of the microscope.

[0025] In this embodiment, the first adjustment member 42 and the second adjustment member 43 are both screw-nut pairs, and the adjustment nuts of the screw-nut pairs are located outside the lens barrel 10, so that the user can adjust the x-axis and y-axis movements of the stage body 41 by rotating the adjustment nuts.

[0026] In other embodiments, the first adjusting member 42 and the second adjusting member 43 may also be configured as gear transmission components, and the movement of the stage body 41 in the x-axis direction and the y-axis direction is achieved by twisting the gears.

[0027] Since the counting board of the present embodiment is snap-fitted and pop-up-fitted with the stage body 41, the counting board of the present embodiment is provided with a snap-fit, and the stage body 41 is provided with a push-pop-up slot that matches the snap-fit. When it is necessary to observe the dust mites on the counting board, the counting board is inserted into the stage body 41, and the snap-fit ​​is inserted into the push-pop-up slot to be fixed. When it is necessary to take out the counting board, the counting board is pressed again to move the counting board toward the bottom of the push-pop-up slot until the snap-fit ​​on the counting board goes deep into the push-pop-up slot and the reset spring in the push-pop-up slot is contracted by force, and then the counting board is released. Under the reset elastic force of the reset spring, the counting board is popped out, and the counting board is taken out. The snap-fit ​​and pop-up design not only integrates the tablet clamp with the stage, but also facilitates the removal of the counting board.

[0028] In other embodiments, the stage body 41 may include a tray with a buckle, and a housing that pushes and pulls with the tray, the housing is provided with a push-and-pop-out slot that cooperates with the buckle, and the tray is used to place the counting board. That is, the placement and removal of the counting board are completed by the push-and-pop cooperation between the tray and the housing. The push-and-pop cooperation can refer to the principle of the buckle provided on the counting board and the push-and-pop-out slot provided on the stage body 41.

[0029] In this embodiment, the objective lens module 50 is movably connected to the lens barrel 10 via a third adjusting member, and the third adjusting member is used to adjust the up and down movement of the objective lens module 50, that is, to adjust the movement of the objective lens module 50 along the z-axis direction, thereby adjusting the focal length for focusing the microscope to make observation clearer.

[0030] Similarly, the third adjusting member of the present embodiment may also be a screw nut pair or a gear transmission assembly, and the vertical movement of the objective lens module 50 may be adjusted by an adjusting nut or an adjusting gear disposed outside the lens barrel 10 .

[0031] The object lens module 50 described in the present embodiment comprises a converter and an object lens detachably connected with the converter, the converter is connected with the third adjusting member, and the position between the stage assembly 40 and the object lens module 50 on the lens barrel 10 is set to a detachable connection. When it is necessary to change the object lens of different magnifications, the detachable position on the lens barrel 10 is opened, and the object lens is removed from the converter, the object lens that needs to be used is changed, the new object lens is connected with the converter, and then the lens barrel 10 is restored to complete the replacement. The detachable connection on the lens barrel 10 of the present embodiment is set to be connected by the lens barrel buckle 11, and in other embodiments, it can also be set to the mode of threaded engagement.

[0032] The objective lens module of this embodiment includes at least two objective lenses of different magnifications for replacement, so that objective lenses of different magnifications can be selected and installed in the lens barrel 10 according to the size of dust mites or the size of the observed object to meet more observation needs. The objective lens of this embodiment includes four specifications of objective lenses for replacement, namely, ×4 times, ×10 times, ×20 times and ×40 times.

[0033] The eyepiece module 60 described in this embodiment is a ×10 eyepiece.

[0034] The switch of the power supply assembly and the light source assembly 20 described in this embodiment is designed as an integrated whole, and the switch is set as a knob switch, which is used to adjust the on / off and brightness of the light source assembly 20. When the knob switch, i.e., the power base, is turned clockwise, the power supply assembly switch and the light source assembly 20 switch can be turned on, and the brightness of the light source assembly 20 increases as the amplitude of the turn increases; the brightness of the light source assembly 20 can be reduced by turning the knob switch counterclockwise, and when a "click" sound is heard when the knob is turned to the end, the power supply assembly switch is turned off, and the light source assembly 20 is turned off.

[0035] The power supply assembly of this embodiment is also provided with a USB interface for charging, so that the power supply assembly is rechargeable, that is, the portable microscope of this embodiment has its own power supply, can be recharged and reused, and is more environmentally friendly.

[0036] In this embodiment, the aperture size is adjusted by rotating the aperture assembly 30, and the brightness adjustment of the light source assembly 20 is coordinated to meet the optimal observation light intensity requirements of different specimens. The aperture assembly 30 of this embodiment can be configured to have an adjustment tooth on the outer edge of the aperture assembly 30, and the adjustment tooth is extended to the outside of the lens barrel 10, so that the user can rotate the adjustment tooth to adjust the rotation of the aperture assembly 30.

[0037] The counting board of this embodiment is provided with grid lines for convenient counting. Specifically, the thickness of the counting board of this embodiment is 0.5 mm. The counting board of this embodiment is divided into 20 large squares by grid lines, and each large square has 9 small squares, and the area of ​​each large square is 1 mm. 2 Therefore, the volume of each large square is 0.5 μL, and the total volume of 20 large squares is 10 μL. In addition, this embodiment also includes a dust mite standard sample sheet. When observing, the user can compare the dust mites on the counting plate with the dust mite standard sample sheet to explore the carrying status of dust mite allergens.

[0038] Example 2

[0039] The structure and principle of this embodiment are similar to those of the first embodiment, except that the observation plate 70 of this embodiment is a glass slide, and the glass slide is also provided with a grid for convenient counting, so that dust mite detection can be carried out at any time. Specifically, the user uses transparent tape to stick the patient's skin (such as face, limbs and trunk, etc.) and hair, and then sticks the sticky transparent tape to the glass slide with grid lines, and observes using the portable microscope described in this embodiment.

[0040] Obviously, the above embodiments of the utility model are only examples for clearly explaining the technical solution of the utility model, and are not intended to limit the specific implementation methods of the utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the claims of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A portable microscope, characterized in that: include: A lens barrel, a power supply assembly and a light source assembly arranged in the lens barrel, an aperture assembly, a stage assembly, an objective lens module and an eyepiece module arranged in sequence along the light emitting direction of the light source assembly, and an observation plate that snaps and pops out with the stage assembly; wherein the light source assembly is electrically connected to the power supply assembly, the aperture assembly is rotatably connected to the lens barrel, and the stage assembly and the objective lens module are both movably connected to the lens barrel.

2. The portable microscope according to claim 1, characterized in that: The stage assembly includes a stage body and a first adjustment member and a second adjustment member which are arranged on the stage body and movably connected to the lens barrel; the first adjustment member is used to adjust the forward and backward movement of the stage body, and the second adjustment member is used to adjust the left and right movement of the stage body.

3. The portable microscope according to claim 2, characterized in that: The first adjusting member and the second adjusting member are screw-nut pairs or gear transmission components.

4. The portable microscope according to claim 2, characterized in that: The observation plate is provided with a buckle, and the stage body is provided with a press-to-pop-out slot that cooperates with the buckle.

5. The portable microscope according to claim 2, characterized in that: The stage body comprises a tray provided with a buckle, and a shell that pushes and pulls with the tray, the shell is provided with a push-to-pop-up slot that cooperates with the buckle, and the tray is used to place an observation plate.

6. The portable microscope according to claim 1, characterized in that: The objective lens module is movably connected to the lens barrel via a third adjusting member, and the third adjusting member is used to adjust the up and down movement of the objective lens module for focusing the microscope.

7. The portable microscope according to claim 6, characterized in that: The objective lens module includes a converter and an objective lens detachably connected to the converter, the converter is connected to the third adjusting member, and a position on the lens barrel between the stage assembly and the objective lens module is configured to be detachably connected.

8. The portable microscope according to claim 7, characterized in that: The objective lens module includes at least two objective lenses with different magnifications.

9. The portable microscope according to any one of claims 1 to 8, characterized in that: The switch of the power supply assembly and the light source assembly are designed as one body, and the switch is set as a knob switch, and the knob switch is used to adjust the opening and closing and brightness of the light source assembly; and / or the power supply assembly is provided with a USB interface for charging.

10. The portable microscope according to any one of claims 1 to 8, characterized in that: The observation plate comprises a counting plate and a glass slide, and grid lines for convenient counting are arranged on the observation plate.

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