CN217133459U - LED fluorescent lighting device - Google Patents
LED fluorescent lighting device Download PDFInfo
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- CN217133459U CN217133459U CN202221138541.7U CN202221138541U CN217133459U CN 217133459 U CN217133459 U CN 217133459U CN 202221138541 U CN202221138541 U CN 202221138541U CN 217133459 U CN217133459 U CN 217133459U
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Abstract
The present disclosure provides an LED fluorescent lighting device, comprising: the light-gathering and filtering component comprises a light-gathering lens component and a fluorescence filtering component which are matched with each other; the fluorescent lighting system comprises a fixed bottom plate and a movable switching linkage plate group, wherein the switching linkage plate group moves in a linkage manner through a mechanical transmission assembly to drive the light condensing and filtering assembly to move horizontally, so that the switching between a bright field scheme and a fluorescent scheme is completed; and the LED component is arranged on the switching linkage plate group, is arranged on the rear side of the condenser lens component and is used for finishing fluorescent lighting and multi-color fluorescent channel switching lighting actions aiming at the condenser filtering component. The microscope lighting device flexibly completes switching of a bright field scheme and a fluorescence scheme and switching of a multicolor fluorescence channel in a smaller space, is ingenious in structural design, greatly reduces production difficulty and cost, and is convenient to use.
Description
Technical Field
The disclosure relates to the technical field of fluorescent channel switching of a fluorescent microscope, in particular to an LED fluorescent lighting device.
Background
When light is irradiated to a certain substance, a phenomenon in which the substance excites light having a longer wavelength than the wavelength of the irradiated light is called a fluorescence phenomenon, in which the irradiated light is called excitation light and the excitation light is called fluorescence. The fluorescence microscope is a microscope that observes by irradiating an object to be observed with light of a certain wavelength as a light source and exciting fluorescence by using such a principle. The inverted fluorescence microscope is one of fluorescence microscopes, and is suitable for microscopic observation and research of tissue culture, cell isolated culture, plankton, environmental protection, food detection, fluid sediments and the like in the fields of biology, medicine and the like.
Currently, high-pressure mercury lamps, xenon lamps or metal halide lamps are commonly used as light sources for fluorescence microscopes, wherein mercury lamps are the most commonly used light sources for fluorescence inverted microscopes. The mercury lamp emits a large amount of heat when in use, so that good heat dissipation conditions are needed, and the inverted lamp box is heavy; in order to prolong the service life of the mercury lamp, the mercury lamp cannot be immediately closed after being opened so as to prevent the electrodes from being damaged due to incomplete mercury evaporation, and the mercury lamp can be closed after 15 minutes. After the mercury lamp is extinguished, the mercury lamp can be restarted after waiting for 30 minutes and being completely cooled, otherwise, the mercury lamp can explode; meanwhile, the stable working life of the traditional mercury lamp bulb is only 200-400 hours, the cost is high, and the installation and maintenance are very inconvenient.
The core accessory of the fluorescence microscope is a fluorescence illumination device. The fluorescent lighting device can adjust the wave bands (blue light wave band, red light wave band, green light wave band, etc.) of the emitted light according to the requirement. In the use process of the existing common fluorescence module, an operator needs to change a fluorescence filter group for observation, each fluorescence channel needs to be provided with one fluorescence filter group, and a plurality of groups of fluorescence filter groups need to be arranged in a multicolor fluorescence channel, so that the volume of the fluorescence lighting device is increased, and the fluorescence lighting device cannot be arranged on a microscope with a narrow space. In addition, the existing switching mode mainly adopts manpower, so that the problems of inaccurate switching, waste of a large amount of manpower, low working efficiency, influence on project progress and the like can occur.
SUMMERY OF THE UTILITY MODEL
The present disclosure provides an LED fluorescent lighting device to solve the fluorescent channel switching inflexibility of the fluorescent microscope recognized by the inventors; manual operation is inaccurate and efficiency is low; the fluorescent lighting device has the technical problem of large volume.
An LED fluorescent lighting device comprising: the light-gathering and filtering component comprises a light-gathering lens component and a fluorescence filtering component which are matched with each other;
the fluorescent lighting system comprises a fixed bottom plate and a movable switching linkage plate group, wherein the switching linkage plate group moves in a linkage manner through a mechanical transmission assembly to drive the light condensing and filtering assembly to move horizontally, so that the switching between a bright field scheme and a fluorescent scheme is completed;
the LED assembly is arranged on the switching linkage plate group and comprises an LED thermoelectric separation substrate and at least 2 lamp beads with different wave bands arranged on the LED thermoelectric separation substrate side by side, and the LED assembly is arranged on the rear side of the light condensing lens assembly and used for finishing fluorescent lighting and multicolor fluorescent channel lighting actions aiming at the light condensing and filtering assembly.
In any of the above technical solutions, further, the method further includes: the cooling and radiating structure comprises a radiator and a fan, wherein the radiator is fixed on the switching linkage plate group, and the fan is arranged above the radiator.
In any of the above technical solutions, further, the air conditioner further includes a casing fixed on the fixed bottom plate, and the fan is installed on the casing.
In any of the above technical solutions, further, the electronic device further includes a connecting fixing member, the connecting fixing member is fixed on the fixing base plate, and the connecting fixing member is disposed outside the casing.
In any of the above technical solutions, further, the switching linkage plate group includes a vertical third connecting plate, the LED assembly is fixed on a vertical front side surface of the long side of the third connecting plate, and the third connecting plate completes horizontal reciprocating movement in a vertical plane of the long side under linkage of the mechanical conveying assembly.
In any of the above technical solutions, further, a fourth connecting plate and a first connecting plate extend from the front side and the rear side of the left and right sides of the third connecting plate, the fourth connecting plate is disposed on one side of the condenser lens assembly, and the first connecting plate is connected with the mechanical transmission assembly in a matching manner.
In any of the above technical solutions, further, the mechanical transmission assembly includes a motor and a lead screw linked with the motor, a lead screw nut is sleeved on the lead screw, the first connection plate is fixedly sleeved with the lead screw nut, and an axis of the lead screw is perpendicular to a plane where the first connection plate is located.
In any of the above technical solutions, further, the switching linkage plate group includes a second connecting plate horizontally disposed, the second connecting plate is connected to the first connecting plate and a third connecting plate, a first slider is fixed to a lower surface of the third connecting plate, the first slider is clamped to a first guide rail, and the first guide rail is fixed to the fixed base plate;
the long side direction of the first guide rail is parallel to the moving direction of the LED assembly.
In any of the above technical solutions, further, a sunken step structure is arranged on the end face of the short side of the fixed base plate close to the condenser lens assembly, the step structure includes a vertical connecting plate connected to the end face of the short side and a horizontal connecting plate connected to the lower end of the vertical connecting plate, an elastic moving assembly is arranged on the horizontal connecting plate, the elastic moving assembly includes a spring rod set with two ends fixed by a spring guide fixing seat, and the axis of the spring rod set is parallel to the straight line of the condenser lens assembly in the horizontal moving direction.
In any of the above technical solutions, further, the switching linkage plate group pushes the light condensing and filtering component to move through a fourth connecting plate;
the rear side of the condenser lens assembly is fixedly connected with a lens assembly connecting piece, the lens assembly connecting piece is sleeved on the spring rod group, the lower side of the lens assembly connecting piece is connected with a second sliding block, the second sliding block is clamped on a second guide rail, and the second guide rail is fixed on the horizontal connecting plate; and a spring is arranged between the second sliding block and the spring guide rail fixing seat far away from the second sliding block, and the spring is sleeved on the spring rod group.
The beneficial effect of this disclosure mainly lies in:
an LED fluorescent lighting device comprising: the light-gathering and filtering component comprises a light-gathering lens component and a fluorescence filtering component which are matched with each other; the fluorescent lighting system comprises a fixed bottom plate and a movable switching linkage plate group, wherein the switching linkage plate group moves in a linkage manner through a mechanical transmission assembly to drive the light condensing and filtering assembly to move horizontally, so that the switching between a bright field scheme and a fluorescent scheme is completed; and the LED assembly is arranged on the switching linkage plate group, is arranged on the rear side of the condenser lens assembly and is used for finishing fluorescent lighting and multicolor fluorescent channel lighting actions aiming at the condenser filtering assembly. The microscope lighting device flexibly completes switching of a bright field scheme and a fluorescence scheme and switching of a multicolor fluorescence channel in a smaller space, is ingenious in structural design, greatly reduces production difficulty and cost, and is convenient to use.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure 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, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an internal top view structure of an embodiment of the present disclosure;
FIG. 3 is an internal isometric schematic view of an embodiment of the present disclosure;
FIG. 4 is a schematic view of an auxiliary slide group according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural view of a switching linkage plate set according to an embodiment of the disclosure;
FIG. 6 is a schematic cross-sectional view of a fluorescence channel according to an embodiment of the disclosure;
FIG. 7 is a schematic view of a lens assembly connection structure according to an embodiment of the disclosure.
Icon: the fluorescent lighting system 100, a fixed base plate 101, a case 102, a fan 103, a motor 104, a lead screw 105, a switching linkage plate group 106, a first connecting plate 1061, a second connecting plate 1062, a third connecting plate 1063, a fourth connecting plate 1064, an origin switch 107, a lead screw nut 108, a heat sink 109, a spring guide fixing seat 110, a spring rod group 111, a trigger device 112, a first guide rail 113, a first slider 114, a second guide rail 115, a second slider 116, a limiting elastic sheet 117, a lens group connecting piece 118, a roller 119, a clamping groove 120, a condensing and filtering assembly 200, a condensing and filtering assembly 201, a fluorescent and filtering assembly 202, an LED assembly 300, and a connecting fixing piece 400.
Detailed Description
The technical solutions of the present disclosure will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present disclosure, but not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing and simplifying the present disclosure, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
Example 1
The utility model provides a fluorescent lighting device with a brand new structure and capable of intelligently switching multicolor fluorescent channels, which comprises a whole machine body, an internal fluorescent lighting system, an internal electromechanical transmission mechanism and a control system. The control system is the prior art, and the specific structure is not described in detail.
The fluorescent lighting system is preferably provided with 3 groups of lighting channels, and a user can switch any one group of fluorescent channels to observe when using the fluorescent lighting system.
An LED fluorescent lighting device as shown in fig. 1-7, comprising: the light-gathering and filtering component 200, the light-gathering and filtering component 200 includes a light-gathering lens component 201 and a fluorescence filtering component 202 which are used in cooperation;
wherein the fluorescence filter assembly 202 includes an excitation filter, a dichroic mirror, and an emission filter. The excitation filter assembly is positioned in front of the optical lens assembly, the dichroic mirror is obliquely arranged in front of the excitation filter, the emission filter is arranged below the dichroic mirror, and the optical center of the fluorescence filter assembly is coaxial with the imaging optical center of the microscope.
The condenser lens assembly 201 is located behind the fluorescence filter assembly and in front of the excitation light source, and includes a first lens and a second lens, the first lens is located in front of the LED light source, and the second lens is located in front of the first lens. The light-gathering lens component is used for gathering the light emitted by the LED excitation light source, so that the excitation light source reaches the light intensity required by exciting fluorescence.
The fluorescent lighting system 100 comprises a fixed bottom plate 101 and a movable switching linkage plate group 106, wherein the switching linkage plate group 106 moves in a linkage manner through a mechanical transmission assembly to drive the light condensing and filtering assembly 200 to move horizontally, so that the bright field scheme and the fluorescent function switching are completed;
the LED assembly 300 is installed on the switching linkage plate group 106 and comprises an LED thermoelectric separation substrate and at least 2 lamp beads with different wave bands arranged on the LED thermoelectric separation substrate side by side, the LED assembly 300 is arranged on the side of the light condensing lens assembly 201, and the fluorescent lighting and multi-color fluorescent channel lighting switching action is completed aiming at the light condensing and filtering assembly 200.
Further comprising: the cooling and heat dissipating structure comprises a radiator 109 and a fan 103, wherein the radiator 109 is fixed on the switching linkage plate group 106, and the fan 103 is arranged above the radiator 109.
The fan is characterized by further comprising a machine shell 102, wherein the machine shell 102 is fixed on the fixed bottom plate 101, and the fan 103 is installed on the machine shell 102.
The switching gangway set in the present disclosure is a good thermal conductor as a whole, and includes a horizontal second connecting plate disposed at the lower portion, as can be seen from fig. 3 and 5, the heat sink 109 is fixed on the second connecting plate 1062, the heat sink mainly includes heat dissipating fins, and the switching gangway set is a good heat conducting connecting member of an integrated type, and the design is very ingenious.
On one hand, the switching linkage plate group 106 is used as a linkage piece, multi-directional linkage can be completed through a small structure, manufacturing and installation of redundant parts are saved, and production steps and production difficulty are reduced. And through the design of a linkage piece, the requirement of installation space can be greatly reduced, and the installation and the use can be completed in a small space.
Secondly, the switching linkage plate group 106 in the design is connected with most of heat dissipation components in the device, such as a light source (LED lamp beads) and linear modules (screw rod nuts and screw rods), heat generated by the heat can be absorbed through the switching linkage plate group 106 and transmitted to the heat sink, and the heat is just taken away by a fan arranged on the upper portion of the heat sink. The problem of heat accumulation in a small space is directly solved. And no matter linkage or heat dissipation, all solve through a part design, great reduction the production degree of difficulty and manufacturing cost.
The embodiment of the present invention further includes a connection fixing member 400, wherein the connection fixing member 400 is fixed on the fixing base plate 101, and the connection fixing member 400 is disposed outside the housing 102. The main purpose of the connecting and fixing piece is to be used for connecting and fixing with other parts in the microscope.
Example 2
The light-gathering and filtering assembly 200 in the present embodiment is an improvement on the first embodiment, and the technical content disclosed in the first embodiment is not described repeatedly, and the content disclosed in the first embodiment also belongs to the content disclosed in the present embodiment.
As shown in the LED fluorescent lighting device shown in fig. 1-7, the switching linkage plate group 106 includes a vertical third connecting plate 1063, the LED module 300 is fixed on the vertical front side surface of the long side of the third connecting plate 1063, and the third connecting plate 1063 completes the horizontal reciprocating movement in the vertical plane of the long side under the linkage of the mechanical transmission module. The LED assembly moves horizontally at the rear side of the condenser lens assembly 201 to complete the switching of the lamp channels.
A fourth connecting plate 1064 and a first connecting plate 1061 extend from the left and right sides of the third connecting plate 1063 to the front and back sides, respectively, the fourth connecting plate 1064 is disposed on one side of the condenser lens assembly 201, and the first connecting plate 1061 is connected to the mechanical transmission assembly in a matching manner.
Therefore, in the process of moving the third connecting plate 1063, the fourth connecting plate 1064 may be close to or far from the light condensing and filtering assembly 200, and when the movement is more, the fourth connecting plate 1064 close to the light condensing and filtering assembly 200 may push the fourth connecting plate 1064 to move horizontally, thereby completing the switching of the bright field and the dark field.
When the pushing force is removed, the light condensing and filtering assembly 200 returns to the original position by the elastic moving assembly designed in cooperation.
The mechanical transmission assembly shown in fig. 2, 3 and 5 includes a motor 104 and a lead screw 105 linked with the motor 104, a lead screw nut 108 is sleeved on the lead screw 105, a first connection plate 1061 is fixedly sleeved with the lead screw nut 108, and the axis of the lead screw 105 is perpendicular to the plane of the first connection plate 1061.
The switching linkage plate group 106 comprises a second connecting plate 1062 which is horizontally arranged, the second connecting plate 1062 is connected with a first connecting plate 1061 and a third connecting plate 1063, a first slider 114 is fixed on the lower surface of the third connecting plate 1063, the first slider 114 is clamped on a first guide rail 113, and the first guide rail 113 is fixed on the fixed bottom plate 101; the first rail 113 has a longitudinal direction parallel to the moving direction of the LED module 300.
As a preferable aspect in the present embodiment, the origin switch 107 is provided on the linear module. As can be seen from fig. 2 and fig. 3, a trigger 112 with an L-shaped top view projection is connected to the free end of the fourth connecting plate, and a home switch 107 is disposed on the side of the motor on the same side as the trigger 112, when the first connecting plate moves too close to the motor, the trigger 112 will trigger the home switch 107, forming a safety protection structure and resetting the control program to ensure precise control.
Example 3
The embodiment of the present disclosure further provides an LED fluorescent lighting device, including the mechanical transmission assembly according to any one of the above technical solutions, so that all the beneficial technical effects of the mechanical transmission assembly are achieved, and are not described herein again.
The LED fluorescent lighting device shown in fig. 1-7 is characterized in that a depressed step structure is arranged on the short side end face of the fixing base plate 101 close to the condenser lens assembly 201, the step structure comprises a vertical connecting plate connected with the short side end face and a horizontal connecting plate connected with the lower end of the vertical connecting plate, an elastic moving assembly is arranged on the horizontal connecting plate, the elastic moving assembly comprises a spring rod group 111 with two ends fixed by a spring guide rail fixing seat 110, and the axis of the spring rod group 111 is parallel to the straight line of the condenser lens assembly 201 in the horizontal moving direction.
The effect that the elasticity removed the subassembly is kick-backed, under the effect of fourth connecting plate 1604, can accomplish spotlight filtering subassembly 200's horizontal migration, but when the lead screw rotated and made fourth connecting plate 1604 and do and keep away from spotlight filtering subassembly 200 action, elasticity in this design removed the subassembly and just pushed spotlight filtering subassembly 200 back initial position through the application of force of spring.
Here, the lens assembly connecting member 118 connected to the lower portion of the light collecting and filtering assembly 200 has a lower surface connected to the second slider 116 to form a guiding structure.
As shown in fig. 4, a triangular-shaped limiting spring 117 can be seen, and the limiting spring 117 is used to help the light condensing and filtering assembly 200 to perform a locking action during the pushing process. As a preferable scheme in this embodiment, the locking action is accomplished by the cooperation of the roller 119 and the slot 120.
The front side of the limiting elastic sheet 117 is fixed on the upper surface of the lens set connecting piece 118 through a bolt, and a roller 119 is installed at the free end (the vertex position of the triangle) of the limiting elastic sheet 117, the axle center of the roller is horizontally arranged, and the axle center of the roller is vertical to the moving direction of the light-gathering and filtering component 200. And the end faces of the short sides of the fixed bottom plate close to the condenser lens assembly are provided with clamping grooves in parallel along the direction of the short sides as required. The running roller sets up on the fixed baseplate minor face terminal surface that is close to spotlight lens subassembly, under the cooperation (pressure) of spacing shell fragment, forms interference fit contact with fixed baseplate minor face terminal surface.
In a preferred embodiment of the present invention, the number of the card slots is two, which are used as positioning slots for the bright field scheme and the fluorescence scheme. Through the design of the positioning groove, when the light-gathering and filtering component 200 moves, the linked limiting elastic sheet 117 drives the roller 119 to slide, when the designated positioning groove is located, the light-gathering and filtering component 200 stops moving due to the driving of the control system, and the roller 119 is just clamped in the corresponding clamping groove 120. And finishing the auxiliary limit of the positioning.
When the light-gathering and filtering component 200 moves again, the roller rotates out of the clamping groove, the limiting elastic sheet is slightly moved upwards under the action of upward force, and the linkage movement in the horizontal direction is continuously completed.
The switching link plate group 106 pushes the light condensing and filtering assembly 200 to move through the fourth connecting plate 1064;
the rear side of the condenser lens assembly 201 is fixedly connected with a lens assembly connecting piece 118, the lens assembly connecting piece 118 is sleeved on the spring rod set 111 and axially reciprocates along the spring rod set 111, the lower side of the lens assembly connecting piece 118 is connected with a second sliding block 116, the second sliding block 116 is clamped on a second guide rail 115, and the second guide rail 115 is fixed on a horizontal connecting plate; a spring is arranged between the second sliding block 116 and the spring guide rail fixing seat 110 far away from the second sliding block 116, and the spring is sleeved on the spring rod group 111. Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (10)
1. An LED fluorescent lighting device, comprising: the light-gathering and filtering component comprises a light-gathering lens component and a fluorescence filtering component which are matched with each other;
the fluorescent lighting system comprises a fixed bottom plate and a movable switching linkage plate group, wherein the switching linkage plate group moves in a linkage manner through a mechanical transmission assembly to drive the light condensing and filtering assembly to move horizontally, so that the switching between a bright field scheme and a fluorescent scheme is completed;
the LED assembly is arranged on the switching linkage plate group and comprises an LED thermoelectric separation substrate and at least 2 lamp beads with different wave bands arranged on the LED thermoelectric separation substrate side by side, the LED assembly is arranged on the rear side of the light condensing lens assembly and is used for completing the switching illumination action of the multicolor fluorescence channel aiming at the light condensing and filtering assembly.
2. The LED fluorescent lighting device of claim 1, further comprising: the cooling and radiating structure comprises a radiator and a fan, wherein the radiator is fixed on the switching linkage plate group, and the fan is arranged above the radiator.
3. The LED fluorescent lighting device of claim 1, further comprising a housing secured to the fixed base plate, a fan being mounted on the housing.
4. The LED fluorescent lighting device of claim 3, further comprising a connection fixture, wherein the connection fixture is fixed to the fixing base plate, and the connection fixture is disposed outside the housing.
5. The LED fluorescent lighting device according to claim 1, wherein the switching linkage plate group comprises a vertical third connecting plate, the LED assembly is fixed on a vertical front side surface of a long side of the third connecting plate, and the third connecting plate completes horizontal reciprocating movement in a vertical plane of the long side under linkage of the mechanical transmission assembly.
6. The LED fluorescent lighting device of claim 5, wherein a fourth connecting plate and a first connecting plate extend from the left and right sides of the third connecting plate to the front and back sides, respectively, the fourth connecting plate is disposed on one side of the condenser lens assembly, and the first connecting plate is connected to the mechanical transmission assembly in a matching manner.
7. The LED fluorescent lighting device according to claim 6, wherein the mechanical transmission assembly comprises a motor and a lead screw linked with the motor, a lead screw nut is sleeved on the lead screw, the first connecting plate is fixedly sleeved with the lead screw nut, and the axis of the lead screw is perpendicular to the plane of the first connecting plate.
8. The LED fluorescent lighting device according to claim 6, wherein the switching linkage plate group comprises a second connecting plate horizontally arranged, the second connecting plate is connected with a first connecting plate and a third connecting plate, a first slider is fixed on the lower surface of the third connecting plate, the first slider is clamped on a first guide rail, and the first guide rail is fixed on the fixed bottom plate;
the long edge direction of the first guide rail is parallel to the moving direction of the LED assembly.
9. The LED fluorescent lighting device according to claim 1, wherein a sunken step structure is provided on the short side end face of the fixing bottom plate close to the condenser lens assembly, the step structure includes a vertical connecting plate connected to the short side end face and a horizontal connecting plate connected to the lower end of the vertical connecting plate, an elastic moving assembly is provided on the horizontal connecting plate, the elastic moving assembly includes a spring rod set with two ends fixed by spring rail fixing seats, and the axis of the spring rod set is parallel to the horizontal moving direction of the condenser lens assembly.
10. The LED fluorescent lighting device of claim 9, wherein the switching linkage plate group pushes the condensing filter assembly to move through a fourth connecting plate;
the rear side of the condenser lens assembly is fixedly connected with a lens assembly connecting piece, the lens assembly connecting piece is sleeved on the spring rod group, the lower side of the lens assembly connecting piece is connected with a second sliding block, the second sliding block is clamped on a second guide rail, and the second guide rail is fixed on the horizontal connecting plate;
and a spring is arranged between the second sliding block and the spring guide rail fixing seat far away from the second sliding block, and the spring is sleeved on the spring rod group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138541.7U CN217133459U (en) | 2022-05-11 | 2022-05-11 | LED fluorescent lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138541.7U CN217133459U (en) | 2022-05-11 | 2022-05-11 | LED fluorescent lighting device |
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| Publication Number | Publication Date |
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| CN217133459U true CN217133459U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221138541.7U Active CN217133459U (en) | 2022-05-11 | 2022-05-11 | LED fluorescent lighting device |
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| CN (1) | CN217133459U (en) |
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