A monochrome fluorescence imaging device for an upright microscope

Abstract

The utility model discloses a monochrome fluorescence imaging device for an upright microscope, and relates to the technical field of upright fluorescence microscopes, including a housing mounted on a microscope, wherein a light source assembly and a color filter assembly are arranged in the housing, wherein the light source assembly includes an LED lamp room, wherein the LED lamp room is arranged corresponding to the color filter assembly, wherein the color filter assembly includes a color filter block, wherein the color filter block is fixedly connected to one end of a pull rod, wherein the other end of the pull rod extends outside the housing, and the pull rod is movably arranged with the side wall of the housing, wherein the color filter block is movably connected to a slide rail, and wherein the slide rail is fixedly mounted in the housing. The design of the utility model moves the color filter block along the slide rail by pushing and pulling the pull rod, thereby quickly switching the microscope to a non-fluorescence observation mode, wherein the overall thickness is thinner, and the influence on the optical path of the microscope is smaller, thereby achieving a better flat field effect of fluorescence imaging, and better heat dissipation makes the light source power larger, and is suitable for observing samples of various fluorescence intensities, thereby achieving high-quality imaging effects.

Description

Technical Field

[0001] The utility model relates to the technical field of upright fluorescence microscopes, in particular to an upright microscope monochrome fluorescence imaging device. Background Art

[0002] A fluorescence microscope is a microscope that uses fluorescence and phosphorescence to produce images. Its working principle is to illuminate the sample with light of a specific wavelength, causing certain molecules in the sample to emit light of a different, longer wavelength. This emitted light is called fluorescence. Fluorescence microscopes are used in a variety of fields, including biology, chemistry, and materials science, to study the structure and function of cells and other biological materials, as well as to analyze compounds and other materials at a microscopic level. An upright fluorescence microscope is one type of fluorescence microscope. In the prior art, the optical path switching of the fluorescence device supporting the upright microscope is cumbersome, and after installation, it occupies the entire height of the microscope, which has a great impact on the optical path of the microscope. Therefore, a monochrome fluorescence imaging device for an upright microscope is proposed. Utility Model Content

[0003] In order to overcome the above-mentioned defects in the prior art, the utility model provides a monochrome fluorescence imaging device for an upright microscope.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a monochrome fluorescence imaging device for an upright microscope, comprising a casing installed on the microscope, a light source assembly and a color filter assembly being arranged in the casing, the light source assembly comprising an LED lamp room, the LED lamp room being arranged corresponding to the color filter assembly, the color filter assembly comprising a color filter block, the color filter block being fixedly connected to one end of a pull rod, the other end of the pull rod extending outside the casing and the pull rod being movably arranged with a side wall of the casing, the color filter block being movably connected to a slide rail, and the slide rail being fixedly installed in the casing.

[0005] Furthermore, the side walls of the casing are respectively provided with an input electrical interface, an input electrical switch and a brightness knob, the input electrical interface is electrically connected to the input electrical switch, the input electrical switch is connected to the LED driver board in the casing, the LED driver board is electrically connected to the brightness knob, and the positive and negative poles of the LED driver board are respectively connected to the micro switch and the LED lamp chamber.

[0006] Furthermore, an LED lamp bead is arranged in the LED lamp chamber, the LED lamp bead is connected to a micro switch, and thermal conductive silicone grease is filled between the LED lamp chamber and the bottom plate of the casing.

[0007] Furthermore, the rear end of the LED lamp bead is covered with a heat dissipation copper block, and the connection between the heat dissipation copper block and the LED lamp chamber is filled with thermal conductive silicone grease.

[0008] Furthermore, a first magnet and a second magnet are respectively provided at both ends of the slide rail, the first magnet is fixedly arranged on the side wall of the casing, and the second magnet and the micro switch are fixed to the bottom plate of the casing through a fixing seat.

[0009] Furthermore, when the second magnet contacts the color filter block, the color filter block matches the LED lamp chamber.

[0010] The beneficial effects of the utility model are:

[0011] 1. In the design of the utility model, thermal conductive silicone grease is filled between the LED lamp chamber and the bottom plate of the casing, the rear end of the LED lamp bead is covered with a heat dissipation copper block, and the connection between the heat dissipation copper block and the LED lamp chamber is filled with thermal conductive silicone grease, so that the LED lamp bead can work at a larger current, making its brightness brighter, and observing weak fluorescent samples to achieve high-quality imaging effects. The matching LED cold light source is energy-saving and environmentally friendly, has a long life, does not require preheating, is ready to use, has continuously adjustable brightness, and is easy to operate.

[0012] 2. By pushing and pulling the rod, the filter block moves along the slide rail, so that the microscope can be quickly switched to non-fluorescence observation mode. The slide rail installation does not occupy the overall height, making the overall thickness thinner, which has less impact on the optical path of the microscope and makes the flat field effect of fluorescence imaging better.

[0013] 3. The positioning method of the magnetic structure is more convenient and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the fluorescence mode of the single-spectrum LED fluorescence imaging device of the utility model;

[0017] Figure 3 It is a schematic diagram of the bright field mode of the single-spectrum LED fluorescence imaging device of the present invention.

[0018] In the figure, 1, slide rail; 2, pull rod; 3, first magnet; 4, brightness knob; 5, input power switch; 6, input power interface; 7, LED driver board; 8, LED lamp room; 9, color filter block; 10, second magnet; 11, micro switch; 12, housing. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0020] like Figures 1 to 3 As shown, a monochrome fluorescence imaging device for an upright microscope includes a housing 12 installed on the microscope, wherein a light source assembly and a color filter assembly are provided in the housing 12, wherein the light source assembly includes an LED lamp chamber 8, wherein the LED lamp chamber 8 is arranged corresponding to the color filter assembly, wherein the color filter assembly includes a color filter block 9, wherein the color filter block 9 is fixedly connected to one end of a pull rod 2, wherein the other end of the pull rod 2 extends outside the housing 12 and the pull rod 2 is movably arranged to the side wall of the housing 12, wherein the color filter block 9 is movably connected to a slide rail 1, and wherein the slide rail 1 is fixedly installed in the housing 12.

[0021] The side walls of the casing 12 are respectively provided with an input electrical interface 6, an input electrical switch 5 and a brightness knob 4. The input electrical interface 6 is electrically connected to the input electrical switch 5, the input electrical switch 5 is connected to the LED driving board 7 in the casing 12, the LED driving board 7 is electrically connected to the brightness knob 4, and the positive and negative poles of the LED driving board 7 are respectively connected to the micro switch 11 and the LED lamp chamber 8.

[0022] After the power cord is connected to the power supply at the input electrical interface 6, the current is introduced through the wires, the positive and negative poles of the power cord are connected to the input electrical switch 5, and the input electrical switch 5 is connected to the LED driver board 7 through a wire. The output current of the LED driver board 7 is adjusted by the brightness knob 4, the positive pole of the LED driver board 7 output is connected to the micro switch 11, the micro switch 11 is connected to the LED lamp bead, and the negative pole of the LED driver board 7 output is directly connected to the LED lamp room 8. The LED lamp room 8 has a built-in lens to focus the light and irradiate it to the color filter block 9. The light is first filtered by the excitation filter of the color filter block 9, and the light of a specific wavelength continues to irradiate the dichroic mirror of the color filter block 9 and is reflected to the sample below. The sample is irradiated with light of a specific wavelength to excite fluorescence with a longer wavelength and enter the emission plate of the color filter block 9, and then to the eyepiece barrel of the microscope.

[0023] Thermal conductive silicone grease is filled between the LED lamp room 8 and the bottom plate of the housing 12, the rear end of the LED lamp beads is covered with a heat dissipation copper block, and the connection between the heat dissipation copper block and the LED lamp room 8 is filled with thermal conductive silicone grease, which can make the LED lamp beads work at a larger current, making them brighter, and observe weak fluorescent samples to achieve high-quality imaging effects. The matching LED cold light source is energy-saving and environmentally friendly, has a long life, does not require preheating, is ready to use, has continuously adjustable brightness, and is easy to operate. The housing is modularly designed, and multiple interfaces can be replaced to facilitate the combination with other upright microscopes of different brands and series.

[0024] A first magnet 3 and a second magnet 10 are respectively provided at both ends of the slide rail 1. The first magnet 3 is fixedly arranged on the side wall of the casing 12. The second magnet 10 and the micro switch 11 are fixed to the bottom plate of the casing 12 through a fixing seat. When the second magnet 10 contacts the color filter block 9, the color filter block 9 matches the LED lamp chamber 8. The pull rod 2 is pushed into the casing 12 to make the color filter block 9 and the second magnet 10 attract each other, and the micro switch 11 is triggered to make the LED lamp chamber 8 powered and illuminated. The pull rod 2 is pulled out by hand to make the color filter block 9 and the first magnet 3 attract each other, and the micro switch 11 is disconnected to turn off the LED lamp chamber 8. In this way, the microscope non-fluorescence observation mode can be quickly switched, and the installation of the slide rail 1 does not occupy the overall height, so that the overall thickness is thinner, the influence on the optical path of the microscope is smaller, and the flat field effect of fluorescent imaging is better.

[0025] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A monochrome fluorescence imaging device for an upright microscope, comprising a housing (12) mounted on the microscope, characterized in that: The housing (12) is provided with a light source assembly and a color filter assembly, the light source assembly includes an LED lamp chamber (8), the LED lamp chamber (8) is arranged corresponding to the color filter assembly, the color filter assembly includes a color filter block (9), the color filter block (9) is fixedly connected to one end of a pull rod (2), the other end of the pull rod (2) extends outside the housing (12), and the pull rod (2) is movably arranged with a side wall of the housing (12), the color filter block (9) is movably connected to a slide rail (1), and the slide rail (1) is fixedly installed in the housing (12).

2. The upright microscope monochrome fluorescence imaging device according to claim 1, characterized in that: The side walls of the housing (12) are respectively provided with an input electrical interface (6), an input electrical switch (5) and a brightness knob (4); the input electrical interface (6) is electrically connected to the input electrical switch (5); the input electrical switch (5) is connected to an LED driving board (7) in the housing (12); the LED driving board (7) is electrically connected to the brightness knob (4); the positive and negative electrodes of the LED driving board (7) are respectively connected to a micro switch (11) and an LED lamp chamber (8).

3. The upright microscope monochrome fluorescence imaging device according to claim 2, characterized in that: An LED lamp bead is arranged in the LED lamp chamber (8), and the LED lamp bead is connected to a micro switch (11). Thermal conductive silicone grease is filled between the LED lamp chamber (8) and the bottom plate of the housing (12).

4. The upright microscope monochrome fluorescence imaging device according to claim 3, characterized in that: The rear end of the LED lamp bead is covered with a heat dissipation copper block, and the connection between the heat dissipation copper block and the LED lamp chamber (8) is filled with thermal conductive silicone grease.

5. The upright microscope monochrome fluorescence imaging device according to claim 1, characterized in that: A first magnet (3) and a second magnet (10) are respectively provided at both ends of the slide rail (1); the first magnet (3) is fixedly arranged on a side wall of the casing (12); and the second magnet (10) and the micro switch (11) are fixed to the bottom plate of the casing (12) via a fixing seat.

6. The upright microscope monochrome fluorescence imaging device according to claim 5, characterized in that: When the second magnet (10) contacts the color filter block (9), the color filter block (9) matches the LED lamp chamber (8).

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