CN212723511U

CN212723511U - Multicolor body type fluorescent lighting device and fluorescent lighting channel thereof

Info

Publication number: CN212723511U
Application number: CN202021669230.4U
Authority: CN
Inventors: 陶成龙; 苏成康
Original assignee: Guangzhou Haokang Biotechnology Co ltd
Current assignee: Guangzhou Haokang Biotechnology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-16
Anticipated expiration: 2030-08-12

Abstract

The utility model provides a fluorescence lighting channel, fluorescence lighting channel includes light source and fluorescence lighting device host computer, light source includes the high-power LED of colour mixture, the fluorescence lighting device host computer includes that battery of lens, two at least fluorescence arouse the subassembly, stir carousel and pivot, fluorescence arouses the subassembly setting on stirring the carousel, stir carousel and pivot fixed connection, battery of lens set sets up the high-power LED of colour mixture with stir between the carousel. The utility model also provides a polychrome style fluorescence lighting device. The utility model discloses a high-power LED of colour mixture can provide the exciting light of different wavelengths, and is simple compact more in the design of fluorescence illuminator, during the conversion fluorescence passageway, need not change the fluorescence illumination light source that corresponds, and user operation is more convenient, and cost is low.

Description

Multicolor body type fluorescent lighting device and fluorescent lighting channel thereof

Technical Field

The utility model relates to a polychrome style fluorescence lighting device and fluorescence illumination passageway thereof.

Background

With the development of microscopic imaging technology, fluorescence microscopes are used more and more widely as a device for experimental observation or test work. The body type fluorescence microscope is realized by adding the fluorescence lighting device of the utility model on the basis of the body type microscope, and the body type fluorescence microscope is characterized in that the fluorescence image with stronger stereoscopic impression can be observed. Generally, in order to observe different fluorescent substances in a sample, a plurality of different fluorescent light sources are required. Mercury and xenon arc type lamps are used as the fluorescent light source, but they have a short life and are expensive. Or the light-emitting diode light source can be used as a fluorescent light source, and the LED light source has good light-emitting effect and low cost. However, when a plurality of different LED light sources are required to provide fluorescence, the problem of switching the light sources needs to be considered, and the light sources need to be switched while the fluorescence channel is switched, which needs to correspond one to one, and thus the requirement on the user is higher. Meanwhile, the traditional LED light sources applied to fluorescence observation are all single-color LED light sources, and a lighting device for realizing 2 or more fluorescence channels needs to be provided with a plurality of groups of LED light sources with different wavelengths, so that the cost and the volume of the equipment are increased. However, the space for installing the fluorescent lighting device on the body type microscope is limited, so that the body type fluorescent microscope with the multicolor fluorescent channel is difficult to realize in the traditional mode.

The cost of the fluorescent lighting device host in the prior art is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a polychrome style fluorescence lighting device has still provided a fluorescence illumination passageway, has solved the above problem that exists among the prior art.

The technical scheme of the utility model is realized like this:

the utility model provides a fluorescence lighting channel, fluorescence lighting channel includes light source and fluorescence lighting device host computer, light source includes the high-power LED of colour mixture, the fluorescence lighting device host computer includes lens group, two at least fluorescence excitation subassembly, stirs carousel and pivot, fluorescence excitation subassembly sets up on stirring the carousel, stir carousel and pivot fixed connection, the lens group sets up the high-power LED of colour mixture with stir between the carousel.

Furthermore, the lighting source is a lamp box, the color-mixing high-power LED is composed of color-mixing high-power LED lamp beads, the lamp box further comprises a light source lens group, a heat dissipation device and a lamp box shell, the light source lens group, the heat dissipation device and the color-mixing high-power LED lamp beads are all installed in the lamp box shell, the color-mixing high-power LED lamp beads are installed on the heat dissipation device, and the light source lens group is arranged between the color-mixing high-power LED lamp beads and the lens group.

Further, the lamp box is fixed on the fluorescent lighting device host. The lamp box is a device for providing a fluorescence excitation light source and is arranged at the tail part of the fluorescence lighting device host.

Furthermore, the fluorescence excitation components are distributed around the toggle turntable at equal angles, and the two-dimensional centers of the fluorescence excitation components are positioned on the same circumference.

Further, the fluorescence excitation assembly comprises a color filter base, 2 fluorescence emission sheets, 1 dichroic beam splitter and 1 fluorescence excitation sheet, wherein the fluorescence emission sheets, the dichroic beam splitter and the fluorescence excitation sheets are all arranged on the color filter base.

Further, the lens group comprises at least one lens. The lens group has the function of converging the light emitted by the lamp box to ensure that the excitation light illumination energy is concentrated and uniform. The optical center of the lens group coincides with the optical center of the lamp box.

The multicolor body type fluorescence lighting device comprises the fluorescence lighting channel, and further comprises a power supply device, a driving device and a control device, wherein the driving device is electrically connected with the power supply device, the control device and the lighting light source respectively.

The driving device is an integrated circuit for driving the color-mixed high-power LED light source, and the LED lamp bead can work continuously and stably.

The power supply device is an integrated circuit which can change civil alternating current into constant-voltage direct current.

Further, the control device comprises a control button and a state display screen. The control button can control the luminous intensity of the luminous body and the on and off of the luminous body. The state display screen can display the working parameters of the lamp box in real time.

The utility model has the advantages that: the utility model discloses a high-power LED of colour mixture can provide the exciting light of different wavelengths, and is simple compact more in the design of fluorescence illuminator, during the conversion fluorescence passageway, need not change the fluorescence illumination light source that corresponds, and user operation is more convenient for the quantity of the different light tunnel that the fluorescence passageway can alternate can reach more than 3, and the light tunnel that the monochromatic high-power LED installation fluorescence passageway of traditional adoption can alternate is no longer than 3.

The utility model discloses a controlling means has set up the status display screen, can show status information such as excitation wavelength, luminance in real time, and other devices do not show corresponding function.

Fluorescence arouses the subassembly and adopts the illumination of single light path, only needs 2 fluorescence emission pieces, 1 fluorescence excitation piece of installation on the color filter seat, 1 piece two to the spectroscope, and two light path fluorescence illumination need fluorescence emission piece, fluorescence excitation piece, two to each 2 pieces of spectroscopes, and fluorescence emission piece, fluorescence excitation piece and two to spectroscopes are the device's cost constitution essential, so the utility model discloses a polychrome style fluorescence lighting device and fluorescence illumination passageway greatly reduced manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a power supply of a multi-color fluorescent lighting device according to the present invention;

fig. 2 is a schematic cross-sectional view of the fluorescent lighting channel of the present invention.

Fig. 3 is a schematic cross-sectional view of a fluorescence excitation assembly of a multi-color body type fluorescence lighting device according to the present invention.

In the drawings: 1-a control device; 2-control buttons; 3-a status display screen; 4-a drive device; 5-a power supply device; 6, poking the turntable; 7-a fluorescence excitation assembly; 8-a rotating shaft; 9-a main machine shell; 10-a lens group; 11-a light source lens group; 12-a light box; 13-color mixing high power LED; 14-a heat sink; 15-lamp box housing; 16-fluorescence emission slice one; 17-fluorescence emission sheet two; 18-fluorescence excitation sheet; 19-dichroic beamsplitter; 20-filter holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 3, the fluorescent lighting channel includes a lighting source and a fluorescent lighting device host, the lighting source includes a color-mixing high-power LED13, the fluorescent lighting device host includes a lens group 10, at least two fluorescent excitation assemblies 7, a toggle turntable 6 and a rotating shaft 8, the fluorescent excitation assemblies 7 are disposed on the toggle turntable 6, the toggle turntable 6 is fixedly connected with the rotating shaft 8, and the lens group 10 is disposed between the color-mixing high-power LED13 and the toggle turntable 6.

The lighting source is a lamp box 12, the high-power LED13 of colour mixture comprises the high-power LED lamp pearl of colour mixture, lamp box 12 still includes light source lens group 11, heat abstractor 14, lamp house casing 15, light source lens group 11 heat abstractor 14 and the high-power LED lamp pearl of colour mixture all installs in lamp house casing 15, the high-power LED lamp pearl of colour mixture is installed heat abstractor 14 is last, light source lens group 11 sets up the high-power LED lamp pearl of colour mixture with between the lens group 10.

The light box 12 is fixed on the fluorescent lighting device host. The light box 12 is a device for providing a fluorescence excitation light source and is installed at the tail of the fluorescent lighting device host.

The fluorescence excitation components 7 are distributed around the toggle turntable 6 at equal angles, and the two-dimensional centers of the fluorescence excitation components 7 are located on the same circumference.

As shown in fig. 2, the fluorescence excitation assembly 7 includes a

color filter holder

20, 2

fluorescence emission sheets

16, 17, 1

dichroic beam splitter

19, and 1 fluorescence excitation sheet 18, and the

fluorescence emission sheets

16, 17, the dichroic beam splitter 19, and the fluorescence excitation sheet 18 are all mounted on the color filter holder 20.

The lens assembly 10 includes at least one lens. The lens assembly 10 functions to condense the light emitted from the lamp housing 12 to make the excitation light illumination energy concentrated and uniform. The optical center of the lens group coincides with the optical center of the lamp box.

As shown in fig. 1, 2 and 3, the multicolor type fluorescent lighting device including the fluorescent lighting channel further includes a power supply device 5, a driving device 4 and a control device 1, wherein the driving device 4 is electrically connected to the power supply device 5, the control device 1 and the lighting source 13, respectively.

The driving device 4 is an integrated circuit for driving the color-mixed high-power LED light source, and ensures that the LED lamp bead can work continuously and stably.

The power supply device 5 is an integrated circuit that can change a domestic ac power into a constant voltage dc power.

The control device 1 comprises control buttons 2 and a status display screen 3. The control button 2 can control the luminous intensity of the luminous body, and the on and off of the luminous body. The status display screen 3 can display the working parameters of the lamp box in real time.

In one embodiment, the excitation wavelength of the mixed-color high-power LED is 330nm-1100nm, and the common wavelengths include 365nm, 385nm, 405nm, 425nm, 450nm, 470nm, 488nm, 500nm, 525nm, 560nm, 600nm, 630nm, 660nm, 680nm, 710nm and 730 nm. There are options the number of different light channels that the fluorescence channel of the invention can be switched to is typically 5. 5 groups of excitation sheets are installed, and 5 types of fluorescence excitation light are obtained through rotating a turntable. Adjusting different wavelengths and increasing or decreasing the number according to the needs, and installing the corresponding number of excitation sheets.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fluorescent lighting tunnel, characterized by: the fluorescence lighting channel comprises a lighting source and a fluorescence lighting device host, wherein the lighting source comprises a color-mixing high-power LED, the fluorescence lighting device host comprises a lens group, at least two fluorescence excitation assemblies, a stirring turntable and a rotating shaft, the fluorescence excitation assemblies are arranged on the stirring turntable, the stirring turntable is fixedly connected with the rotating shaft, and the lens group is arranged between the color-mixing high-power LED and the stirring turntable.

2. The fluorescent lighting channel of claim 1, wherein: the lighting source is a lamp box, the color-mixing high-power LED is composed of color-mixing high-power LED lamp beads, the lamp box further comprises a light source lens group, a heat dissipation device and a lamp box shell, the light source lens group, the heat dissipation device and the color-mixing high-power LED lamp beads are all installed in the lamp box shell, the color-mixing high-power LED lamp beads are installed on the heat dissipation device, and the light source lens group is arranged between the color-mixing high-power LED lamp beads and the lens group.

3. The fluorescent lighting channel of claim 2, wherein: the lamp box is fixed on the fluorescent lighting device host.

4. The fluorescent lighting channel of claim 1, wherein: the fluorescence excitation components are distributed around the toggle turntable at equal angles, and the two-dimensional centers of the fluorescence excitation components are positioned on the same circumference.

5. The fluorescent lighting channel of claim 1, wherein: the fluorescence excitation assembly comprises a color filter seat, 2 fluorescence emission sheets, 1 dichroic spectroscope and 1 fluorescence excitation sheet, wherein the fluorescence emission sheets, the dichroic spectroscope and the fluorescence excitation sheet are all arranged on the color filter seat.

6. The fluorescent lighting channel of claim 1, wherein: the lens group comprises at least one lens.

7. A multicolor fluorescent lighting device comprising the fluorescent lighting channel of claim 1, 2, 3, 4, 5, or 6, wherein: the lighting lamp further comprises a power supply device, a driving device and a control device, wherein the driving device is electrically connected with the power supply device, the control device and the lighting source respectively.

8. The multicolor-type fluorescent lighting device according to claim 7, wherein: the control device comprises a control button and a state display screen.