CN213715596U - Portable ZOOM ZOOM microscope structure - Google Patents
Portable ZOOM ZOOM microscope structure Download PDFInfo
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- CN213715596U CN213715596U CN202023233079.2U CN202023233079U CN213715596U CN 213715596 U CN213715596 U CN 213715596U CN 202023233079 U CN202023233079 U CN 202023233079U CN 213715596 U CN213715596 U CN 213715596U
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Abstract
The utility model discloses a portable ZOOM ZOOM microscope structure, include the shell and install the optical system subassembly in the shell the inside, its characterized in that: the optical system assembly comprises a first objective lens, a second objective lens, a third objective lens, a second objective lens and a first objective lens, wherein the first objective lens and the second objective lens are installed in an objective lens barrel, the second objective lens and the first objective lens are installed in the top end of a guide cylinder, the bottom of the guide cylinder is sleeved in a shell, the third objective lens is installed in the objective lens barrel, the objective lens barrel is installed at the bottom end of the shell, the objective lens barrel is installed in the guide cylinder, the magnification of the objective lens barrel is changed by moving the objective lens barrel back and forth in the guide cylinder along the optical axis Z, and focusing is realized by moving the objective lens barrel back and forth along the. The method effectively eliminates axial chromatic aberration and magnification chromatic aberration, so that the details of the variable-magnification microscope for distinguishing tiny substances are clearer and more intuitive, and the quality of products is greatly improved.
Description
The technical field is as follows:
the utility model relates to a portable ZOOM ZOOM microscope structure.
Background art:
in a conventional portable zoom microscope on the market, an optical system of the zoom microscope generally adopts a three-lens mode, as shown in fig. 1 and fig. 2, an objective lens a, a zoom eyepiece lens B and an eyepiece lens C are respectively arranged, and the zoom function is realized by the back-and-forth movement of the zoom eyepiece lens B along an optical axis.
The above structure has the following technical problems: 1) axial chromatic aberration (also called position chromatic aberration) is not effectively eliminated, so that chromatic light with different wavelengths in each area in a view field is not overlapped, and the definition of an image and the resolution of details are influenced; 2) the chromatic light with different wavelengths in each area in an off-axis visual field is not coincident without effective elimination of the chromatic aberration of magnification, the definition of an image and the resolution of details are influenced, a color edge appears at the edge of the visual field, the observation effect is influenced, the microscope aims at respectively distinguishing the detailed parts of tiny objects, and the detailed parts of the tiny objects are blurred and cannot be distinguished due to the fact that the axial chromatic aberration and the chromatic aberration of magnification are not eliminated, and the quality of products is influenced finally.
The invention content is as follows:
the utility model aims at providing a portable ZOOM ZOOM microscope structure to because axial chromatic aberration and multiplying power chromatic aberration do not eliminate in solving above-mentioned background art, the detail part that leads to little object is fuzzy, can't distinguish, finally influences the problem that the quality of product proposed.
The purpose of the utility model is realized by the following technical scheme.
A portable ZOOM ZOOM microscope structure, comprising a housing and an optical system component mounted inside the housing, characterized in that: the optical system assembly comprises a first objective lens, a second objective lens, a third objective lens, a second objective lens and a first objective lens, wherein the first objective lens and the second objective lens are installed in an objective lens barrel, the second objective lens and the first objective lens are installed in the top end of a guide cylinder, the bottom of the guide cylinder is sleeved in a shell, the third objective lens is installed in the objective lens barrel, the objective lens barrel is installed at the bottom end of the shell, the objective lens barrel is installed in the guide cylinder, the magnification of the objective lens barrel is changed by moving the objective lens barrel back and forth in the guide cylinder along the optical axis Z, and focusing is realized by moving the objective lens barrel back and forth along the.
The first objective lens and the second objective lens are a combination of a positive lens and a negative lens, namely the second objective lens is a negative lens when the first objective lens is a positive lens, or the second objective lens is a positive lens when the first objective lens is a negative lens, the third eyepiece lens is a positive lens, the second eyepiece lens is a positive lens, and the first eyepiece lens is a negative lens.
The shell is provided with the zoom adjusting rotating wheel and the focusing rotating wheel, the eyepiece sleeve can be driven to move back and forth along the optical axis Z in the middle of the shell by rotating the zoom adjusting rotating wheel to change the magnification, and the objective sleeve can be driven to move back and forth along the optical axis Z by rotating the focusing rotating wheel to realize focusing
The back of the shell is provided with an opening, a battery mounting plate is mounted in the opening, a dry battery is mounted on the battery mounting plate, and the opening is plugged by a battery cover plate.
L-shaped hooks extend out of two sides of the back of the battery cover plate and are fastened on the shell at the opening.
The first objective lens, the second objective lens, the third ocular lens, the second ocular lens and the first ocular lens are all aspheric lenses; the objective lens is a biconvex positive lens, and the objective lens is a biconcave negative lens; the eyepiece III is a biconvex positive lens, a relatively flat surface S1 faces an object plane, and a relatively convex surface S2 faces the eye side; the second eyepiece is a biconvex positive lens; the eyepiece is a negative meniscus lens, with the concave surface S3 facing the object plane and the convex surface S4 facing the eye side.
The first objective lens and the second objective lens are close together and form an air gap in the middle, and the second eyepiece lens and the first eyepiece lens are close together and form an air gap in the middle.
The shell comprises a left shell, a right shell and a cloak, wherein the cloak is arranged at the top of the left shell and the right shell after the left shell and the right shell are buckled together.
Compared with the prior art, the utility model, following effect has:
1) the utility model discloses a shell and the optical system subassembly of installing in the shell the inside, the optical system subassembly includes the first objective of following optical axis Z overall arrangement in proper order from the object plane to eyes one side, objective two, eyepiece three, eyepiece two and eyepiece one, objective one and objective two are installed in objective tube the inside, the top the inside at the guide cylinder is installed to eyepiece two and eyepiece one, the bottom cover of guide cylinder is in the shell the inside, eyepiece three is installed in eyepiece tube the inside, objective tube installs in the shell bottom, eyepiece tube installs in the guide cylinder, realize changing the magnification along optical axis Z round trip movement in the guide cylinder the inside through eyepiece tube, realize focusing through objective tube along optical axis Z round trip movement. Axial chromatic aberration is effectively eliminated through the combination of the first objective lens and the second objective lens; the magnification chromatic aberration can be effectively eliminated through the combination of the second ocular and the first ocular; the third ocular lens moves back and forth to realize zooming, so that the details of the zooming microscope for distinguishing tiny substances are clearer and more visual, and the quality of products is greatly improved.
2) Other advantages of the present invention are described in detail in the examples section of this specification.
Description of the drawings:
FIG. 1 is a schematic diagram of the optical principle of a zoom microscope using 3 lenses in the market;
FIG. 2 is a schematic diagram of the movement of a zoom lens of a zoom microscope using 3 lenses in the prior art market;
fig. 3 is a schematic diagram of the optical principle of the present invention;
fig. 4 is a schematic diagram of the movement process of the zoom lens of the present invention;
fig. 5 is a perspective view of the present invention;
fig. 6 is a structural sectional view of a state of the present invention;
fig. 7 is a structural sectional view showing another state of the present invention;
fig. 8 is a right side view of the present invention;
fig. 9 is an exploded view of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 3 to 9, this embodiment is a portable ZOOM microscope structure, including a housing 15 and an optical system assembly installed inside the housing 15, the optical system assembly includes a first objective lens 1, a second objective lens 2, a third objective lens 3, a second objective lens 4 and a first objective lens 5, which are sequentially arranged from an object plane to an eye side along an optical axis Z, the first objective lens 1 and the second objective lens 2 are installed inside an objective lens barrel 8, the second objective lens 4 and the first objective lens 5 are installed inside a top end of a guide cylinder 18, a bottom of the guide cylinder 18 is sleeved inside the housing 15, the third objective lens 3 is installed inside the objective lens barrel 7, the objective lens barrel 8 is installed at a bottom end of the housing 15, the objective lens barrel 7 is installed inside the guide cylinder 18, the objective lens barrel 7 moves back and forth along the optical axis Z inside the guide cylinder 18 to change magnification, and the objective lens barrel 7.
The diaphragm 6 is located between the first objective lens 1 and the object plane. Axial chromatic aberration is effectively eliminated through the combination of the first objective lens and the second objective lens; the magnification chromatic aberration can be effectively eliminated through the combination of the second ocular and the first ocular; the third ocular lens moves back and forth to realize zooming, so that the details of the zooming microscope for distinguishing tiny substances are clearer and more visual, and the quality of products is greatly improved.
The first objective lens 1 and the second objective lens 2 are a combination of positive and negative lenses, that is, the second objective lens 2 is a negative lens when the first objective lens 1 is a positive lens, or the second objective lens 2 is a positive lens when the first objective lens 1 is a negative lens, the third eyepiece 3 is a positive lens, the second eyepiece 4 is a positive lens, and the first eyepiece 5 is a negative lens.
The zoom adjusting rotating wheel 11 and the focusing rotating wheel 12 are mounted on the housing 15, the eyepiece barrel 7 can be driven to move back and forth along the optical axis Z in the middle of the housing 15 by rotating the zoom adjusting rotating wheel 11 to change the magnification, the objective barrel 8 can be driven to move back and forth along the optical axis Z by rotating the focusing rotating wheel 12 to realize focusing, fig. 6 is a schematic diagram of the eyepiece barrel 7 moving to the lower side, and fig. 7 is a schematic diagram of the eyepiece barrel 7 moving to the upper side. And the structure is simple, and the operation is easy and simple. The zoom adjustment wheel 11 drives the eyepiece barrel 7 to move up and down through the curve barrel 17 and the guide barrel 18. The ocular lens III 3 is arranged in the eyepiece barrel 7 through an ocular lens pressing ring 20
The outer shell 15 comprises a left shell 15a, a right shell 15b and a cloak 15C, the cloak 15C is installed on the top after the left shell 15a and the right shell 15b are buckled together, and a transparent cover 21 is installed below the left shell 15a and the right shell 15 b.
The opening 9 is formed in the back of the shell 15, the PCB lamp panel 10 is installed in the opening 9, the dry battery 14 is installed on the back face of the PCB lamp panel 10, and the opening 9 is plugged by the battery cover plate 13.
L-shaped hooks 16 extend out of two sides of the back of the battery cover plate 13, and the L-shaped hooks 16 are fastened on the shell 15 at the opening 9. Simple structure and convenient operation.
The first objective lens 1, the second objective lens 2, the third eyepiece lens 3, the second eyepiece lens 4 and the first eyepiece lens 5 are all aspheric lenses; the first objective lens 1 is a biconvex positive lens, and the second objective lens 2 is a biconcave negative lens; the eyepiece three 3 is a biconvex positive lens, the relatively flat surface S1 faces the object plane, and the relatively convex surface S2 faces the eye side; the second eyepiece 4 is a biconvex positive lens; the first eyepiece 5 is a negative meniscus lens with the concave surface S3 facing the object plane and the convex surface S4 facing the eye side.
The first objective lens 1 and the second objective lens 2 are close together to form an air gap, and the second eyepiece lens 4 and the first eyepiece lens 5 are close together to form an air gap. The structural design is reasonable.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, which are made without departing from the spirit and principle of the present invention, are all equivalent replacements within the protection scope of the present invention.
Claims (8)
1. A portable ZOOM microscope structure comprising a housing (15) and an optical system assembly mounted inside the housing (15), characterized in that: the optical system assembly comprises a first objective lens (1), a second objective lens (2), a third objective lens (3), a second objective lens (4) and a first objective lens (5), wherein the first objective lens (1) and the second objective lens (2) are sequentially arranged from an object plane to one side of eyes along an optical axis Z, the second objective lens (4) and the first objective lens (5) are arranged in an objective lens barrel (8), the second objective lens (4) and the first objective lens (5) are arranged in the top end of a guide barrel (18), the bottom of the guide barrel (18) is sleeved in a shell (15), the third objective lens (3) is arranged in an objective lens barrel (7), the objective lens barrel (8) is arranged at the bottom end of the shell (15), the objective lens barrel (7) is arranged in the guide barrel (18), magnification times can be changed by moving the objective lens barrel (7) back and forth in the guide barrel (18) along.
2. A portable ZOOM microscope structure of ZOOM according to claim 1, wherein: the first objective lens (1) and the second objective lens (2) are a combination of positive and negative lenses, namely the second objective lens (2) is a negative lens when the first objective lens (1) is a positive lens, or the second objective lens (2) is a positive lens when the first objective lens (1) is a negative lens, the third eyepiece lens (3) is a positive lens, the second eyepiece lens (4) is a positive lens, and the first eyepiece lens (5) is a negative lens.
3. A portable ZOOM microscope structure according to claim 2, wherein: a zoom adjusting rotating wheel (11) and a focusing rotating wheel (12) are mounted on a shell (15), the eyepiece sleeve (7) can be driven to move back and forth along an optical axis Z in the middle of the shell (15) to change the magnification factor by rotating the zoom adjusting rotating wheel (11), and the objective sleeve (8) can be driven to move back and forth along the optical axis Z to realize focusing by rotating the focusing rotating wheel (12).
4. A portable ZOOM microscope structure according to claim 1, 2 or 3, wherein: an opening (9) is formed in the back of the shell (15), a PCB lamp panel (10) is installed in the opening (9), a dry battery (14) is installed on the back face of the PCB lamp panel (10), and the opening (9) is plugged by a battery cover plate (13).
5. A portable ZOOM magnification-varying microscope structure according to claim 4, characterized in that: l-shaped hooks (16) extend out of two sides of the back of the battery cover plate (13), and the L-shaped hooks (16) are buckled on the shell (15) at the opening (9).
6. A portable ZOOM magnification-varying microscope structure according to claim 4, characterized in that: the first objective lens (1), the second objective lens (2), the third eyepiece lens (3), the second eyepiece lens (4) and the first eyepiece lens (5) are all aspheric lenses; the first objective lens (1) is a biconvex positive lens, and the second objective lens (2) is a biconcave negative lens; the eyepiece three (3) is a biconvex positive lens, the relatively flat surface S1 faces the object plane, and the relatively convex surface S2 faces the eye side; the second eyepiece (4) is a biconvex positive lens; eyepiece one (5) is a negative meniscus lens with concave surface S3 facing the object plane and convex surface S4 facing the eye side.
7. A portable ZOOM magnification-varying microscope structure according to claim 6, characterized in that: the first objective lens (1) and the second objective lens (2) are close together and form an air gap, and the second eyepiece lens (4) and the first eyepiece lens (5) are close together and form an air gap.
8. A portable ZOOM magnification-varying microscope structure according to claim 6, characterized in that: the shell (15) comprises a left shell (15a), a right shell (15b) and a cloak (15C), and the cloak (15C) is installed at the top of the left shell (15a) and the right shell (15b) after being buckled together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233079.2U CN213715596U (en) | 2020-12-29 | 2020-12-29 | Portable ZOOM ZOOM microscope structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233079.2U CN213715596U (en) | 2020-12-29 | 2020-12-29 | Portable ZOOM ZOOM microscope structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213715596U true CN213715596U (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023233079.2U Active CN213715596U (en) | 2020-12-29 | 2020-12-29 | Portable ZOOM ZOOM microscope structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213715596U (en) |
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2020
- 2020-12-29 CN CN202023233079.2U patent/CN213715596U/en active Active
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