CN212647142U - Light source device under microscope - Google Patents
Light source device under microscope Download PDFInfo
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- CN212647142U CN212647142U CN202021577658.6U CN202021577658U CN212647142U CN 212647142 U CN212647142 U CN 212647142U CN 202021577658 U CN202021577658 U CN 202021577658U CN 212647142 U CN212647142 U CN 212647142U
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- light source
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- plane reflector
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Abstract
The utility model discloses a light source device under microscope, which relates to the technical field of microscope manufacturing, and comprises a light source and a bottom case, wherein the case surface of the bottom case is provided with a glass lens, the light source is positioned in the bottom case, a plane reflector which is controlled to rotate by a rotating shaft is arranged below the glass lens of the bottom case, and the bottom case is provided with a lens seat with an opening facing one side of the plane reflector at the position close to the plane reflector; the light source is arranged in the lens base, and a convex lens group is arranged between the light source and the plane reflector on the lens base. Compared with the prior art, the utility model discloses there is the problem of not concentrated, inhomogeneous phenomenon of light beam in the light source that can solve current microscope.
Description
Technical Field
The utility model belongs to the technical field of the microscope manufacturing technique and specifically relates to a light source for microscope.
Background
The light source is one of important parts of the microscope, and is arranged in a bottom box of the microscope provided with a glass lens; in the current market, fluorescent lamps, halogen lamps, LED lamps, etc. are generally used as light sources. The direct use of these light sources by microscopes has the following problems: when the light sources are directly used, the phenomenon that light beams are not concentrated and uniform exists, and the phenomenon can form interference when an object is imaged and is not beneficial to observation of the object; in addition, the non-concentrated and non-uniform light beams cannot be adjusted, so that the market competitiveness of the microscope is easy to reduce; how to improve the market competitiveness of the microscope and solve the existing problems is an urgent problem to be solved in front of the practitioners of microscope manufacture.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a light source device under microscope is provided to there is the problem of not concentrated, inhomogeneous phenomenon of light beam in the light source of solving current microscope.
The utility model provides a technical scheme that technical problem adopted does: the light source device under the microscope comprises a light source and a bottom case, wherein the case surface of the bottom case is provided with a glass lens, the light source is positioned in the bottom case, a plane reflector which is controlled to rotate by a rotating shaft is arranged below the glass lens of the bottom case, and a lens base with an opening facing one side of the plane reflector is arranged at the position, close to the plane reflector, of the bottom case; the light source is arranged in the lens base, and a convex lens group is arranged between the light source and the plane reflector on the lens base; when the rotating shaft controls the mirror surface of the plane reflector to rotate to form an angle of 45 degrees with the glass lens, the upward light reflected from the mirror surface of the plane reflector is consistent with the direction of the optical axis of the microscope.
In the technical scheme of the light source device under the microscope, a more specific technical scheme may also be that: the lens base is provided with a lens cone, the inner end of the lens base is provided with a base plate, an opening of the lens base is arranged at the outer end of the lens cone, the light source is arranged on the base plate, the convex lens group is arranged in the lens cone, and the lens cone is fixed in the bottom box through a lens cone supporting plate; the axis of the lens cone is parallel to the glass lens; the plane reflector is fixed on the rotating shaft through a reflector seat, and the rotating shaft is arranged on a rotating shaft fixing seat in a penetrating way and is fixed in the bottom box through the rotating shaft fixing seat; one end of the rotating shaft extends out of the bottom box, a rotating button is arranged at the end of the rotating shaft extending out of the bottom box, and scale marks which are distributed circumferentially and scale mark lines when the angle between the mirror surface of the plane reflector and the glass lens is 45 degrees are arranged on the rotating button; and a reference reticle when the mirror surface of the plane reflector and the glass lens are arranged at an angle of 45 degrees is arranged on the bottom box.
Further: the convex lens group comprises a first biconvex lens, a plano-convex lens and a second biconvex lens which are arranged at intervals in sequence, wherein the plano-convex lens is positioned between the first biconvex lens and the second biconvex lens, the plane of the plano-convex lens faces one side of the first biconvex lens, and the first biconvex lens is positioned close to the light source.
Further: the reflecting mirror base is provided with a reflecting mirror lining part arranged on the bottom surface of the plane reflecting mirror and a sleeve part arranged on the reflecting mirror lining part, and the sleeve part of the reflecting mirror base is arranged on the rotating shaft in a penetrating way and is connected with the rotating shaft through a screw penetrating through the side wall of the sleeve part; the rotating shaft fixing seat is provided with a fixing base seat part fixed on the bottom of the bottom box through a screw and two supporting shaft sleeve parts arranged on the fixing base seat part, and the two supporting shaft sleeve parts of the rotating shaft fixing seat are respectively arranged on two sides of the sleeve part of the reflector seat in a penetrating mode.
Further: the light source is an LED lamp, and the LED lamp is positioned on the seat plate of the axial lead of the lens cone.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has: 1. the light source device under the microscope is characterized in that a plane reflector which is controlled to rotate by a rotating shaft is arranged below a glass lens of a bottom box, a lens base with an opening facing one side of the plane reflector is arranged at the position close to the plane reflector, a light source is arranged in the lens base of the bottom box, a convex lens group is arranged in the lens base between the light source and the plane reflector, and when the rotating shaft controls the mirror surface of the plane reflector to rotate to form an angle of 45 degrees with the glass lens, the light rays reflected upwards from the mirror surface of the plane reflector are consistent with the direction of the optical axis of the microscope; when the microscope is used, when a light source switch is turned on, light beams of the light source penetrate through the convex lens group, the convex lens group changes the light beams into parallel light rays which are uniformly distributed and irradiate on the mirror surface of the plane reflector, and then the rotating shaft is controlled to rotate through the rotating button until the mirror surface of the plane reflector and the glass lens form an angle of 45 degrees, the parallel light rays which are uniformly distributed and are vertically reflected upwards by the mirror surface of the plane reflector, so that the uniformly distributed light rays which are reflected upwards are consistent with the optical axis direction of the microscope, the uniformly distributed light beams are provided when the microscope is used for observing an object, and the phenomenon that the light beams are not concentrated and are not uniform in the light; 2. the included angle between the mirror surface of the plane reflector and the glass lens can be adjusted and controlled by rotating the rotary button, the direction of light rays is changed, and the rotary mirror is convenient and quick.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation of the planar reflector and the mirror base in the bottom case of the present invention.
Fig. 3 is a schematic view of the installation of the rotating shaft in the bottom case of the present invention.
Fig. 4 is a schematic view of the installation of the planar reflector in the mirror base of the present invention.
Fig. 5 is a schematic view of the installation of the convex lens set in the lens holder according to the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
the light source device under microscope as shown in fig. 1 comprises a light source and a bottom case 2 with a glass lens 6 on the case surface, the light source is located in the bottom case 2, a plane reflector 5 controlled by a rotating shaft 4 is arranged on the bottom case 2 under the glass lens 6, the plane reflector 5 of the embodiment is fixed on the rotating shaft 4 through a reflector base 11, the reflector base 11 is provided with a reflector liner part 11-1 arranged on the bottom surface of the plane reflector 5 and a sleeve part 11-2 arranged on the bottom of the reflector liner part 11-1, the sleeve part 11-2 of the reflector base 11 is arranged on the rotating shaft 4 in a penetrating way and is connected with the rotating shaft 4 through a screw passing through the side wall of the sleeve part 11-2; the rotating shaft 4 is mounted on a rotating shaft fixing seat 7 in a penetrating way, the rotating shaft fixing seat 7 of the embodiment is provided with a fixed base seat part 7-2 fixed on the bottom of the bottom case 2 through screws and two supporting shaft sleeve parts 7-1 arranged on the fixed base seat part 7-2, and the two supporting shaft sleeve parts 7-1 of the rotating shaft fixing seat 7 are mounted on two sides of a sleeve part 11-2 of the reflector seat 11 in a penetrating way respectively; one end of the rotating shaft 4 extends out of the side wall of the bottom case 2, the rotating button 21 is arranged at the end of the rotating shaft 4 extending out of the side wall of the bottom case 2, the included angle a between the mirror surface of the plane reflective mirror 5 and the glass lens 6 can be adjusted and controlled by rotating the rotating button 21, the direction of light rays can be changed conveniently and rapidly, and as shown in fig. 2, 3 and 4; the rotary button 12 is provided with scale marks which are distributed in a circumferential manner and scale mark lines when the mirror surface of the plane reflective mirror 5 and the glass lens 6 form an angle of 45 degrees; a reference reticle (not shown in the figure) is arranged on the side wall of the bottom case 2 when the mirror surface of the plane reflector 5 and the glass lens 5 form an angle of 45 degrees; a mirror base 3 with an opening facing one side of the plane reflective mirror 5 is arranged on the bottom case 2 close to the plane reflective mirror 5; the light source is arranged in the lens base 3, and a convex lens group 8 is arranged in the lens base 3 between the light source and the plane reflector 5; the lens base 3 of the embodiment is provided with a lens cone, the inner end of which is provided with a seat board 10, the opening of the lens base 3 is arranged at the outer end of the lens cone, and the lens cone is fixed on the bottom of the bottom box 2 through a lens cone supporting plate 1; the light source is arranged on the seat plate 10, the convex lens group 8 is arranged in the lens cone, and the axial lead of the lens cone is parallel to the glass lens 6; the convex lens group 8 of the present embodiment includes a first biconvex lens 8-1, a plano-convex lens 8-2 and a second biconvex lens 8-3, which are sequentially disposed at intervals, the plano-convex lens 8-2 is located between the first biconvex lens 8-1 and the second biconvex lens 8-3, a plane of the plano-convex lens 8-2 faces one side of the first biconvex lens 8-1, the first biconvex lens 8-1 is located near a light source, the light source of the present embodiment is an LED lamp 9, and the LED lamp 9 is located on a base plate 10 of an axial lead of the lens barrel, as shown in fig. 5.
When the LED lamp is turned on, the light beam of the LED lamp penetrates through the convex lens group, the convex lens group changes the light beam into parallel light rays which are uniformly distributed and irradiate on the mirror surface of the plane reflector 5, then the rotary button 12 of the rotary shaft 4 is adjusted to align the scale mark line when the mirror surface of the plane reflective mirror 5 on the rotary button 12 forms an angle of 45 degrees with the glass lens 6 with the reference scale line when the mirror surface of the plane reflective mirror 5 on the bottom case 2 forms an angle of 45 degrees with the glass lens 5, so that the included angle a between the mirror surface of the plane reflective mirror 5 and the glass lens 6 forms an angle of 45 degrees, the parallel light rays which are uniformly distributed and irradiated from the LED lamp through the convex lens group are upwards reflected by the planar reflector at an angle of 45 degrees and are consistent with the optical axis direction of the microscope, so that uniformly distributed light beams are provided when the object is observed by using the microscope, and the phenomenon that the light beams are not concentrated and are not uniform in the light source of the microscope is avoided.
Claims (5)
1. The utility model provides a light source device under microscope, includes that light source and case face are equipped with the under casing of glass lens, the light source is located in the under casing, its characterized in that: a plane reflector which is controlled to rotate by a rotating shaft is arranged below the glass lens of the bottom box, and a mirror seat with an opening facing one side of the plane reflector is arranged at the position, close to the plane reflector, of the bottom box; the light source is arranged in the lens base, and a convex lens group is arranged between the light source and the plane reflector on the lens base; when the rotating shaft controls the mirror surface of the plane reflector to rotate to form an angle of 45 degrees with the glass lens, the upward light reflected from the mirror surface of the plane reflector is consistent with the direction of the optical axis of the microscope.
2. The light source device under microscope of claim 1, wherein: the lens base is provided with a lens cone, the inner end of the lens base is provided with a base plate, an opening of the lens base is arranged at the outer end of the lens cone, the light source is arranged on the base plate, the convex lens group is arranged in the lens cone, and the lens cone is fixed in the bottom box through a lens cone supporting plate; the axis of the lens cone is parallel to the glass lens; the plane reflector is fixed on the rotating shaft through a reflector seat, and the rotating shaft is arranged on a rotating shaft fixing seat in a penetrating way and is fixed in the bottom box through the rotating shaft fixing seat; one end of the rotating shaft extends out of the bottom box, a rotating button is arranged at the end of the rotating shaft extending out of the bottom box, and scale marks which are distributed circumferentially and scale mark lines when the angle between the mirror surface of the plane reflector and the glass lens is 45 degrees are arranged on the rotating button; and a reference reticle when the mirror surface of the plane reflector and the glass lens are arranged at an angle of 45 degrees is arranged on the bottom box.
3. The light source device under microscope according to claim 1 or 2, characterized in that: the convex lens group comprises a first biconvex lens, a plano-convex lens and a second biconvex lens which are arranged at intervals in sequence, wherein the plano-convex lens is positioned between the first biconvex lens and the second biconvex lens, the plane of the plano-convex lens faces one side of the first biconvex lens, and the first biconvex lens is positioned close to the light source.
4. The light source device under microscope as claimed in claim 2, wherein: the reflecting mirror base is provided with a reflecting mirror lining part arranged on the bottom surface of the plane reflecting mirror and a sleeve part arranged on the reflecting mirror lining part, and the sleeve part of the reflecting mirror base is arranged on the rotating shaft in a penetrating way and is connected with the rotating shaft through a screw penetrating through the side wall of the sleeve part; the rotating shaft fixing seat is provided with a fixing base seat part fixed on the bottom of the bottom box through a screw and two supporting shaft sleeve parts arranged on the fixing base seat part, and the two supporting shaft sleeve parts of the rotating shaft fixing seat are respectively arranged on two sides of the sleeve part of the reflector seat in a penetrating mode.
5. The light source device under microscope as claimed in claim 2, wherein: the light source is an LED lamp, and the LED lamp is positioned on the seat plate of the axial lead of the lens cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577658.6U CN212647142U (en) | 2020-08-03 | 2020-08-03 | Light source device under microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577658.6U CN212647142U (en) | 2020-08-03 | 2020-08-03 | Light source device under microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212647142U true CN212647142U (en) | 2021-03-02 |
Family
ID=74787167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021577658.6U Active CN212647142U (en) | 2020-08-03 | 2020-08-03 | Light source device under microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212647142U (en) |
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2020
- 2020-08-03 CN CN202021577658.6U patent/CN212647142U/en active Active
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