LED fluorescent module
By setting multiple LED light sources in the LED fluorescence module and using the combination of push-pull rods and positioning blocks, the problem that LED fluorescence microscopes in the prior art cannot quickly switch multiple band light sources, achieving fast and convenient light source switching, improving the Operational efficiency.
Patent Information
- Application Number
- CN202323590176.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2033-12-27
AI Technical Summary
Existing LED fluorescence microscopes use a single narrowband light source, and cannot quickly switch excitation light sources in multiple bands, resulting in inconvenience in use.
An LED fluorescence module is designed to quickly switch and position the LED light source by setting multiple LED light sources in the outer shell of the fluorescence module and using the combination of push and pull rods and positioning blocks.
The LED fluorescence module is used to quickly switch light sources, which is convenient to use excitation light sources of multiple bands and improves operating efficiency.
Smart Images
Figure CN222482505U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluorescence microscopes, in particular to an LED fluorescence module. Background Art
[0002] LED fluorescence microscope is an instrument that uses LED light source for fluorescence microscopic observation. This microscope has high-performance optical components and ergonomic design. Its feature is the use of LED illumination, which provides an ideal choice for cell culture, micromanipulation, immunostaining sample imaging and routine examination of living cells.
[0003] LED light source is a single narrow-band light source. If you need to use an excitation light source with multiple bands, you must replace the light source, which is time-consuming and very inconvenient to use. Utility Model Content
[0004] The purpose of the utility model is to provide an LED fluorescence module to solve the problem in the prior art that when the existing fluorescence microscope uses LED illumination, the LED light source is a single narrow-band light source. If multiple bands of excitation light sources are required, the light source must be replaced, which is time-consuming and very inconvenient to use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LED fluorescent module, comprising: a fluorescent module housing and a slide rail, a bottom plate is provided at the bottom of the fluorescent module housing, a slide rail is provided at the top of the bottom plate, a slide seat is provided on the outer side of the slide rail, a fixed plate is provided on the top of the slide seat, a push-pull rod is provided on one side of the fixed plate, a lens housing is provided on the top of the fixed plate, a splitter housing is provided at one end of the lens housing, there are several lens housings, and LED lamps are provided inside the several lens housings.
[0006] Furthermore, a heat dissipation lamp holder is provided at one end of the lens housing, the LED lamp is located inside the heat dissipation lamp holder, a plano-convex lens is provided on the inner wall of the lens housing at one end of the heat dissipation lamp holder, a bi-convex lens is provided on one side of the plano-convex lens inside the lens housing, and a filter is provided on one side of the bi-convex lens.
[0007] Furthermore, a beam splitting channel is provided inside the beam splitting housing, and a beam splitting lens is provided inside the beam splitting channel.
[0008] Furthermore, there are three lens housings, and a light-through seat is provided inside the bottom plate, and the light-through seat is located below one of the light-splitting channels.
[0009] Furthermore, a positioning block is provided on one side of the fixing plate, a limiting mounting rod is provided inside the fluorescent module housing on one side of the positioning block, and limiting blocks are provided on both sides of the bottom of the limiting mounting rod. When the positioning block is located in the middle of the limiting blocks, the central light splitting channel is located directly above the light-transmitting seat.
[0010] Furthermore, one side of the plane of the plano-convex lens is close to the LED lamp and is used for light collimation, the biconvex lens is used for light focusing, and the filter is used for filtering light of different wavelengths.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The utility model arranges a plurality of LED light sources in the fluorescent module housing, so that when the LED fluorescent module is in use, the fixed plate and the fluorescent module assembly thereof are driven to slide on the slide rail by pushing or pulling the push-pull rod, and the fluorescent module on the fixed plate is positioned by setting the positioning block and the limit block, so that the switching of the LED fluorescent module is realized; the switching of the light source is fast and convenient.
[0013] When light sources of different wavelengths are needed, the corresponding spectroscopic housing is moved to the top of the light-transmitting seat by the push-pull rod, and light is emitted by the LED lamp, and the heat is dissipated by the heat dissipation fins on the heat dissipation lamp seat. The light emitted by the LED lamp is collimated by a plano-convex lens, and then focused by a double convex lens. Light of different wavelengths is filtered by a filter. For example, the filter filters light of a wavelength of 475±5nm, and a wavelength of 475±5nm passes through the filter and is irradiated on the spectroscopic lens, and the spectroscopic lens of 500nm wavelength. Light with a wavelength lower than 500nm is reflected and enters the light-transmitting seat vertically downward, enters the objective lens and is irradiated on the fluorescently labeled cells or tissues, thereby realizing fluorescence observation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is an exploded diagram of an LED fluorescent module of the utility model;
[0015] Figure 2 This is an enlarged view of the fixing plate connection structure of an LED fluorescent module of the utility model;
[0016] Figure 3 This is a three-dimensional diagram of an LED fluorescent module of the utility model;
[0017] Figure 4 This is a half-section view of an LED fluorescent module of the utility model;
[0018] Figure 5 This is a main cross-sectional view of an LED fluorescent module of the utility model.
[0019] In the figure: 1. fluorescent module housing; 2. bottom plate; 3. light-through seat; 4. slide rail; 5. slide seat; 6. fixing plate; 7. push-pull rod; 8. spectrometer housing; 9. spectrometer channel; 10. spectrometer lens; 11. lens housing; 12. heat sink holder; 13. positioning block; 14. limit block; 15. limit mounting rod; 16. plano-convex lens; 17. biconvex lens; 18. filter. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] See also Figure 1-Figure 5 The utility model provides a technical solution: an LED fluorescent module, comprising: a fluorescent module housing 1 and a slide rail 4, a bottom plate 2 is provided at the bottom of the fluorescent module housing 1, a slide rail 4 is provided at the top of the bottom plate 2, a slide seat 5 is provided on the outside of the slide rail 4, a fixed plate 6 is provided on the top of the slide seat 5, a push-pull rod 7 is provided on one side of the fixed plate 6, a lens housing 11 is provided on the top of the fixed plate 6, a light splitting housing 8 is provided at one end of the lens housing 11, there are several lens housings 11, and LED lamps are provided inside the several lens housings 11. By pushing or pulling the push-pull rod 7, the fixed plate 6 and its fluorescent module assembly are driven to slide on the slide rail 4, and the fluorescent module on the fixed plate 6 is positioned by setting the positioning block 13 and the limit block 14, so as to realize the switching of the LED fluorescent module; the light source switching is fast and convenient.
[0022] A heat dissipation lamp holder 12 is provided at one end of the lens housing 11, and the LED lamp is located inside the heat dissipation lamp holder 12. A heat dissipation fin is provided on the outer wall of one end of the heat dissipation lamp holder 12 to improve the heat dissipation effect. A plano-convex lens 16 is provided on the inner wall of the lens housing 11 at one end of the heat dissipation lamp holder 12. A biconvex lens 17 is provided inside the lens housing 11 at one side of the plano-convex lens 16, and a filter 18 is provided on one side of the biconvex lens 17. A spectroscopic channel 9 is provided inside the spectroscopic housing 8, and a spectroscopic lens 10 is provided inside the spectroscopic channel 9. One side of the plane of the plano-convex lens 16 is close to the LED lamp and is used for collimating the light. The biconvex lens 17 is used for focusing the light, and the filter 18 is used for filtering light of different wavelengths. The spectroscopic lens is used to separate light of different wavelengths. Light with a wavelength smaller than the setting of the spectroscopic lens 10 is reflected, and light with a wavelength larger than the setting of the spectroscopic lens 10 can pass.
[0023] There are three lens housings 11, and a light-through seat 3 is provided inside the bottom plate 2, and the light-through seat 3 is located below one of the light-splitting channels 9. A positioning block 13 is provided on one side of the fixing plate 6, and a limit mounting rod 15 is provided inside the fluorescent module housing 1 on one side of the positioning block 13. Limit blocks 14 are provided on both sides of the bottom of the limit mounting rod 15. When the positioning block 13 is located in the middle of the limit blocks 14, the light-splitting channel 9 located in the center is directly above the light-through seat 3. The positioning block is trapezoidal. When the positioning block is located in the middle of the limit blocks 14, the inclined surfaces on both sides of the positioning block contact one side of the two limit blocks 14, which is used for positioning the fluorescent module in the center. When the positioning block 13 contacts the end of one of the limit blocks 14, the corresponding light-splitting channels 9 on both sides are located directly above the light-through seat 3, which is used for rapid positioning when the fluorescent module is switched.
[0024] When the LED fluorescent module is in use, the fixed plate 6 and its fluorescent module assembly are driven to slide on the slide rail 4 by pushing or pulling the push-pull rod 7. The fluorescent module on the fixed plate 6 is positioned by setting the positioning block 13 and the limit block 14 to realize the switching of the LED fluorescent module; the light source switching is fast and convenient.
[0025] When light sources of different wavelengths are needed, the corresponding spectroscopic housing 8 is moved to the top of the light-transmitting seat 3 by the push-pull rod 7, and light is emitted by the LED lamp. The heat is dissipated by the heat dissipation fins on the heat dissipation lamp seat 12. The light emitted by the LED lamp is collimated by the plano-convex lens 16, and then focused by the double convex lens 17. The light of different wavelengths is filtered by the filter 18. For example, the filter 18 filters the light of wavelength 475±5nm. The light of wavelength 475±5nm passes through the filter 18 and is irradiated on the spectroscopic lens 10. The spectroscopic lens 10 with a wavelength of 500nm, and the light with a wavelength lower than 500nm is reflected and enters the light-transmitting seat 3 vertically downward, enters the objective lens and is irradiated on the fluorescently labeled cells or tissues, so as to realize fluorescence observation.
[0026] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.
Claims
1. An LED fluorescent module, comprising: A fluorescent module housing (1) and a slide rail (4), characterized in that: a bottom plate (2) is provided at the bottom of the fluorescent module housing (1), a slide rail (4) is provided at the top of the bottom plate (2), a slide seat (5) is provided on the outside of the slide rail (4), a fixed plate (6) is provided on the top of the slide seat (5), a push-pull rod (7) is provided on one side of the fixed plate (6), a lens housing (11) is provided on the top of the fixed plate (6), a spectroscopic housing (8) is provided at one end of the lens housing (11), there are a plurality of lens housings (11), and LED lamps are provided inside the plurality of lens housings (11).
2. The LED fluorescent module according to claim 1, characterized in that: A heat dissipation lamp holder (12) is provided at one end of the lens housing (11), the LED lamp is located inside the heat dissipation lamp holder (12), a plano-convex lens (16) is provided on the inner wall of the lens housing (11) at one end of the heat dissipation lamp holder (12), a biconvex lens (17) is provided inside the lens housing (11) at one side of the plano-convex lens (16), and a filter (18) is provided on one side of the biconvex lens (17).
3. The LED fluorescent module according to claim 2, characterized in that: A light splitting channel (9) is provided inside the light splitting housing (8), and a light splitting lens (10) is provided inside the light splitting channel (9).
4. The LED fluorescent module according to claim 3, characterized in that: There are three lens housings (11), and a light-transmitting seat (3) is provided inside the bottom plate (2). The light-transmitting seat (3) is located below one of the light-splitting channels (9).
5. The LED fluorescent module according to claim 4, characterized in that: A positioning block (13) is provided on one side of the fixing plate (6); a limiting mounting rod (15) is provided inside the fluorescent module housing (1) on one side of the positioning block (13); limiting blocks (14) are provided on both sides of the bottom of the limiting mounting rod (15); when the positioning block (13) is located in the middle of the limiting blocks (14), the light splitting channel (9) located in the center is located directly above the light transmitting seat (3).
6. The LED fluorescent module according to claim 2, characterized in that: One side of the plane of the plano-convex lens (16) is close to the LED lamp and is used for light collimation; the biconvex lens (17) is used for light focusing; and the filter (18) is used for filtering light of different wavelengths.