Light-emitting diode (LED) light source with bright field
By setting up a light shielding box and adjustment structure on the top of the microscope bright field light source box, the problem of ash collection of the microscope light source box is solved, the lens cleaning and dust protection are achieved, and the use efficiency and the life of the light source are improved.
Patent Information
- Application Number
- CN202421123185.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The microscope bright field light source box is often exposed, resulting in ash collection phenomenon and affecting the actual use effect.
A bright field LED light source was designed, and a light shielding box was set on the top of the microscope bright field light source box and an adjustment structure was set inside the light shielding box, including a magnetic locking card plate and slot, a spring telescopic rod, a cleaning soft brush and an anti-slip The slug board realizes the wiping and shading of the lens, and stores the shading box in the temporary storage box to prevent dust accumulation.
Effectively prevent dust accumulation, ensure clean lenses, improve the use efficiency of the microscope and the life of the light source, and provide convenient cleaning and storage methods.
Smart Images
Figure CN222213056U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a bright field LED light source, belonging to the technical field of microscope bright field light sources. Background Art
[0002] The bright field technique of microscope is the most basic application technology in biology. Bright field imaging based on critical illumination or Kohler illumination, phase contrast imaging and differential interference imaging are the main bright field imaging techniques of microscope at present. Bright field is to let the light beam pass through the specimen and directly enter the objective lens. The field of view is bright. The operation of imaging the transmitted beam is called bright field operation, and the image formed is called bright field image. That is, the light from the light source such as LED is focused on the sample through the condenser, and the camera or the eyes observe the image of the sample through the objective lens.
[0003] Since the above-mentioned microscope bright field light source box is installed at the bottom of the microscope, the microscope bright field light source box can be exposed under normal circumstances to emit light. However, since the microscope bright field light source box is often exposed, dust will accumulate, which brings certain adverse effects to actual use, and therefore needs to be improved. Utility Model Content
[0004] The purpose of the utility model is to provide a bright field LED light source. The utility model provides a light shielding box at the light outlet of a microscope bright field light source box, and the lens of the microscope bright field light source box can be wiped by adjusting the wiping structure inside the light shielding box. A temporary storage box is added to store the light shielding box, so as to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A brightfield LED light source comprises a microscope brightfield light source box, the top of the microscope brightfield light source box is fixedly connected to a light emitting lens barrel, the top of the light emitting lens barrel is connected to a locking assembly, the surface of the locking assembly is connected to a light shielding box, the top of the light shielding box is provided with a lifting groove, the inner wall of the lifting groove is slidably connected to an adjustment plate, a spring telescopic rod is fixedly installed on the bottom of the light shielding box near the inner wall thereof through a bracket, the top of the spring telescopic rod is fixedly connected to the bottom of the adjustment plate, the lower surface of the adjustment plate near the middle thereof is connected to a clamping assembly, the surface of the clamping assembly is connected to a lower pressing plate, and the bottom of the lower pressing plate is fixedly connected to a soft brush for cleaning.
[0007] Furthermore, the locking assembly includes a magnetic locking card plate and a magnetic locking slot, the magnetic locking card plate is fixedly connected to the bottom of the light-shielding box, the magnetic locking slot is opened on the top of the light-emitting lens barrel, and the inner wall of the magnetic locking slot and the surface of the magnetic locking card plate are magnetically connected and adapted.
[0008] Furthermore, a temporary storage box is fixedly connected to the top of the microscope bright field light source box near its left side, and a second magnetic card plate is fixedly connected to the inner wall of the temporary storage box. The surface of the second magnetic card plate and the inner wall of the magnetic locking slot are magnetically connected and adapted.
[0009] Furthermore, a pin is fixedly connected to the left side of the inner wall of the temporary storage box, an elastic pull rope is rotatably connected to the surface of the pin, and one end of the elastic pull rope is fixedly connected to the side of the light shielding box.
[0010] Furthermore, the surface of the inner wall of the lifting groove is rotatably connected to a guide wheel via a pin shaft, and the surface of the guide wheel is slidably connected to the side surface of the adjustment plate.
[0011] Furthermore, the clamping assembly includes an anti-slip clamping plate and an anti-slip clamping groove, the anti-slip clamping plate is fixedly connected to the top of the lower pressure plate, the anti-slip clamping groove is opened at the bottom of the adjustment plate, the inner wall of the anti-slip clamping groove and the surface of the anti-slip clamping plate are clamped and adapted, and the overall shape of the anti-slip clamping plate and the anti-slip clamping groove are both equilateral hexagonal.
[0012] Furthermore, the main body of the adjustment plate is a fixed plate, the interior of the fixed plate is rotatably connected to a rotating frame via a bearing, and the anti-slip groove is located on the bottom of the rotating frame.
[0013] The beneficial effects of the utility model are:
[0014] The utility model discloses that the light shielding box can be placed and installed on the top of the microscope bright field light source box by setting the light shielding box, and the magnetic locking card plate and the magnetic locking card slot are used for magnetic positioning and connection, so that the light shielding box is aligned and abutted above the microscope bright field light source box, which can play a dustproof and shielding effect. The adjustment plate can also be manually pressed to move downward, and under the action of the guide wheel, the adjustment plate can be prevented from deflecting during the up and down movement, so that the adjustment plate can be squeezed by the spring telescopic rod to enter a contracted state, so that the cleaning soft brush can be abutted against the top lens of the microscope bright field light source box, and then the rotating frame is controlled to rotate smoothly in the fixed plate, and the rotation of the rotating frame can drive the lower pressing plate to rotate, and the rotation of the lower pressing plate can drive the cleaning soft brush to rotate, so that the rotating up and down activities of wiping and cleaning the top lens of the microscope bright field light source box can be completed. The anti-skid card plate and the anti-skid card slot need to be used for regular replacement and cleaning of the lower pressing plate and the cleaning soft brush, so as to ensure the cleaning effect of the top lens of the microscope bright field light source box;
[0015] 2. In the utility model, a temporary storage box is provided above the microscope bright field light source box, so that the light shielding box can be placed inside the temporary storage box, that is, the light shielding box is clamped and placed therein for fixing by using a second magnetic card plate, and the light shielding box can be constrained and connected by the setting of an elastic pull rope, thereby ensuring the normal storage and placement of the light shielding box. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.
[0017] Figure 1 This is a schematic diagram of the overall structure of a bright field LED light source of the utility model;
[0018] Figure 2 It is a front view of a bright field LED light source of the utility model;
[0019] Figure 3 It is a front cross-sectional view of a light shielding box in a bright field LED light source of the utility model;
[0020] Figure 4 It is a front cross-sectional view of a spring telescopic rod in a bright field LED light source of the utility model;
[0021] Figure 5 This is an enlarged view of point A of a bright field LED light source of the utility model;
[0022] Figure 6 This is an enlarged view of point B of a bright field LED light source of the utility model;
[0023] Numbers in the figure: 1. Microscope bright field light box; 2. Light output lens barrel; 3. Light shielding box; 4. Adjustment plate; 5. Spring telescopic rod; 6. Lower pressure plate; 7. Cleaning soft brush; 8. Magnetic locking card plate; 9. Magnetic locking card slot; 10. Temporary storage box; 11. Second magnetic card plate; 12. Pin shaft rod; 13. Elastic pull rope; 14. Guide wheel; 15. Anti-slip card plate; 16. Anti-slip card slot; 17. Rotating frame. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Example 1 Please refer to Figure 1-Figure 6 , the utility model provides a technical solution:
[0026] A bright field LED light source comprises a microscope bright field light source box 1, a light emitting lens barrel 2 is fixedly connected to the top of the microscope bright field light source box 1, a locking assembly is connected to the top of the light emitting lens barrel 2, a light shielding box 3 is connected to the surface of the locking assembly, a lifting groove is provided on the top of the light shielding box 3, an adjusting plate 4 is slidably connected to the inner wall of the lifting groove, a spring telescopic rod 5 is fixedly installed on the bottom of the light shielding box 3 near the inner wall thereof through a bracket, the top of the spring telescopic rod 5 is fixedly connected to the bottom of the adjusting plate 4, a clamping assembly is connected to the lower surface of the adjusting plate 4 near the middle thereof, a lower pressing plate 6 is connected to the surface of the clamping assembly, and a soft brush 7 for cleaning is fixedly connected to the bottom of the lower pressing plate 6.
[0027] Specifically, Figure 1-Figure 6 As shown, the surface of the inner wall of the lifting groove is rotatably connected to a guide wheel 14 through a pin shaft, and the surface of the guide wheel 14 is slidably connected to the side of the adjustment plate 4. Under the action of the guide wheel 14, the adjustment plate 4 is prevented from being deflected during the up and down movement.
[0028] Specifically, Figure 1-Figure 6 As shown, the clamping assembly includes an anti-skid clamping plate 15 and an anti-skid clamping groove 16, wherein the anti-skid clamping plate 15 is fixedly connected to the top of the lower pressing plate 6, and the anti-skid clamping groove 16 is provided at the bottom of the adjusting plate 4, and the inner wall of the anti-skid clamping groove 16 is clamped and adapted to the surface of the anti-skid clamping plate 15, and the overall shape of the anti-skid clamping plate 15 and the anti-skid clamping groove 16 are both equilateral hexagonal. The main body of the adjusting plate 4 is a fixed plate, and the interior of the fixed plate is rotatably connected to a rotating frame 17 through a bearing, and the anti-skid clamping groove 16 is located at the bottom of the rotating frame 17, and the anti-skid clamping plate 15 and the anti-skid clamping groove 16 are used to regularly replace and clean the lower pressing plate 6 and the cleaning soft brush 7, and the rotating frame 17 in the fixed plate can play a rotating effect, and can complete the rotation and up and down activity wiping and cleaning of the top lens of the microscope bright field light source box 1.
[0029] Example 2 Please refer to Figure 1-Figure 6, the difference between this embodiment and embodiment 1 is that: the locking assembly includes a magnetic locking card plate 8 and a magnetic locking card slot 9, the magnetic locking card plate 8 is fixedly connected to the bottom of the light shielding box 3, the magnetic locking card slot 9 is provided on the top of the light emitting lens barrel 2, the inner wall of the magnetic locking card slot 9 and the surface of the magnetic locking card plate 8 are magnetically snapped and adapted, and the magnetic locking card plate 8 and the magnetic locking card slot 9 are used for magnetic positioning snapping to complete the alignment and abutment of the light shielding box 3 above the microscope bright field light source box 1, which can play a dustproof shielding effect. A temporary storage box 10 is fixedly connected to the top of the microscope bright field light source box 1 near its left side, and a second magnetic card plate 11 is fixedly connected to the inner wall of the temporary storage box 10, and the surface of the second magnetic card plate 11 and the inner wall of the magnetic locking card slot 9 are magnetically snapped and adapted. A pin shaft rod 12 is fixedly connected to the left side of the inner wall of the temporary storage box 10, and an elastic pull rope 13 is rotatably connected to the surface of the pin shaft rod 12. One end of the elastic pull rope 13 is fixedly connected to the side of the light shielding box 3. The second magnetic card plate 11 can be used to clamp the light shielding box 3 and place it therein for fixation. The elastic pull rope 13 is provided to facilitate the constraint connection of the light shielding box 3, thereby ensuring the normal storage and placement of the light shielding box 3.
[0030] Working principle of the utility model: when in use, because the microscope bright field light source box 1 is installed at the bottom of the microscope, the microscope bright field light source box 1 can be exposed under normal circumstances to emit light and illuminate the objects under the microscope. However, because the microscope bright field light source box 1 is often exposed, it is necessary to wipe the top lens of the microscope bright field light source box 1 regularly. The light shielding box 3 can be taken out from the interior of the temporary storage box 10 and placed on the microscope bright field light source box 1. The magnetic locking card plate 8 and the magnetic locking card slot 9 are used for magnetic positioning and connection to complete the alignment and abutment of the light shielding box 3 above the microscope bright field light source box 1, which can play a role in dustproof shielding. The adjustment plate 4 can also be manually pressed to move downward. Under the action of the guide wheel 14, the adjustment plate 4 can be prevented from being deflected during the up and down movement, so that the adjustment plate 4 can squeeze the spring telescopic rod 5. When it enters the retracted state, the cleaning soft brush 7 can be made to abut against the top lens of the microscope bright field light source box 1, and then the rotating rotating frame 17 is controlled to rotate smoothly in the fixed plate. The rotation of the rotating frame 17 can drive the lower pressure plate 6 to rotate, and the rotation of the lower pressure plate 6 can drive the cleaning soft brush 7 to rotate, so as to complete the upward and downward movement and wiping cleaning of the top lens of the microscope bright field light source box 1. In order to ensure the cleanliness of the top lens of the microscope bright field light source box 1, it is necessary to use the anti-slip card plate 15 and the anti-slip card groove 16 to regularly replace and clean the lower pressure plate 6 and the cleaning soft brush 7. When the microscope bright field light source box 1 is in use, the second magnetic card plate 11 can be used to clamp the shading box 3 and place it therein for fixing, thereby ensuring the shading protection function of the microscope bright field light source box 1 when not in use and the manual wiping cleaning effect.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bright field LED light source, comprising a microscope bright field light source box (1), characterized in that: The top of the microscope bright field light source box (1) is fixedly connected to a light emitting lens barrel (2), the top of the light emitting lens barrel (2) is connected to a locking assembly, the surface of the locking assembly is connected to a light shielding box (3), the top of the light shielding box (3) is provided with a lifting groove, the inner wall of the lifting groove is slidably connected to an adjustment plate (4), the bottom of the light shielding box (3) near its inner wall is fixedly mounted with a spring telescopic rod (5) through a bracket, the top of the spring telescopic rod (5) and the bottom of the adjustment plate (4) are fixedly connected, the lower surface of the adjustment plate (4) near the middle thereof is connected to a clamping assembly, the surface of the clamping assembly is connected to a lower pressing plate (6), and the bottom of the lower pressing plate (6) is fixedly connected to a cleaning soft brush (7).
2. A bright field LED light source according to claim 1, characterized in that: The locking assembly comprises a magnetic locking card plate (8) and a magnetic locking card slot (9); the magnetic locking card plate (8) is fixedly connected to the bottom of the light shielding box (3); the magnetic locking card slot (9) is arranged on the top of the light emitting lens barrel (2); the inner wall of the magnetic locking card slot (9) and the surface of the magnetic locking card plate (8) are magnetically engaged and adapted.
3. A bright field LED light source according to claim 2, characterized in that: A temporary storage box (10) is fixedly connected to the top of the microscope bright field light source box (1) near the left side thereof, and a second magnetic card plate (11) is fixedly connected to the inner wall of the temporary storage box (10), and the surface of the second magnetic card plate (11) is magnetically engaged and adapted to the inner wall of the magnetic locking card slot (9).
4. A bright field LED light source according to claim 3, characterized in that: A pin shaft rod (12) is fixedly connected to the left side of the inner wall of the temporary storage box (10), and an elastic pull rope (13) is rotatably connected to the surface of the pin shaft rod (12), and one end of the elastic pull rope (13) is fixedly connected to the side of the light shielding box (3).
5. A bright field LED light source according to claim 1, characterized in that: The surface of the inner wall of the lifting groove is rotatably connected to a guide wheel (14) via a pin shaft, and the surface of the guide wheel (14) is slidably connected to the side surface of the adjustment plate (4).
6. A bright field LED light source according to claim 1, characterized in that: The clamping assembly comprises an anti-skid clamping plate (15) and an anti-skid clamping groove (16); the anti-skid clamping plate (15) is fixedly connected to the top of the lower pressure plate (6); the anti-skid clamping groove (16) is arranged at the bottom of the adjustment plate (4); the inner wall of the anti-skid clamping groove (16) and the surface of the anti-skid clamping plate (15) are clamped and adapted; and the overall shape of the anti-skid clamping plate (15) and the anti-skid clamping groove (16) are both equilateral hexagonal.
7. A bright field LED light source according to claim 6, characterized in that: The main body of the adjustment plate (4) is a fixed plate, the interior of the fixed plate is rotatably connected to a rotating frame (17) via a bearing, and the anti-slip groove (16) is located on the bottom of the rotating frame (17).