CN214311082U - Lighting device for microscope - Google Patents
Lighting device for microscope Download PDFInfo
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- CN214311082U CN214311082U CN202120607822.1U CN202120607822U CN214311082U CN 214311082 U CN214311082 U CN 214311082U CN 202120607822 U CN202120607822 U CN 202120607822U CN 214311082 U CN214311082 U CN 214311082U
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- led light
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Abstract
The utility model provides a lighting device for microscope, which comprises an LED light source, an adjustable diaphragm, an optical processing lens and a reflector, wherein the adjustable diaphragm is positioned in the emitting direction of the LED light source, and the optical processing lens is positioned between the adjustable diaphragm and the reflector; light of the LED light source is emitted to the optical processing lens through the adjustable diaphragm, then is reflected by the reflector and then is emitted to the target object. The technical scheme of the utility model adopt the LED light source, no infrared band, the energy is concentrated in the visible light wave band, and energy utilization efficiency is high, and the product is more energy-conserving. And the LED light source has long service life, and the product does not need to frequently replace the light source. The light guide beam is not needed, and the light guide beam can be integrated into the operation microscope module, so that the whole operation microscope system is simpler and more attractive; the size of the light spot of the target surface can be adjusted by using the adjustable diaphragm, so that the size of the illumination range of the illumination target area can be adjusted, and the output energy of different color wave bands can be freely switched by combining the optical filter.
Description
Technical Field
The utility model relates to an illumination device especially relates to an illumination device for microscope.
Background
In modern clinical medicine, fine surgery or examination needs to be performed by means of a surgical microscope, and the surgical microscope needs to be equipped with a light source illumination system in addition to an imaging optical system to provide auxiliary illumination for a surgical or examination target. As shown in fig. 1, the conventional lighting system adopts a set of halogen lamp light source module 1, which converges light energy emitted by a halogen lamp into a light guide beam, and the light guide beam 2 conducts the light energy to a secondary optical lens group 3 for optical processing, and finally the light energy is projected to a lighting target surface at a certain design angle through a reflector 4. The prior lighting system technical scheme has the following defects:
1) the halogen lamp light source has a large amount of energy of infrared wave bands besides visible light wave bands with illumination effects, and the energy does not have the illumination effects, so that the energy utilization efficiency of the whole system is not high, and the power consumption of the product is high; meanwhile, the heating side effect of the infrared band may damage the operation target, and an optical system is needed to filter the energy, so that the system complexity and the product cost are increased; and the halogen lamp has short service life, and the product needs to replace the light source regularly in the subsequent use process, so the maintenance cost is high.
2) The mode of light guide beams is adopted, energy is transmitted to the operating microscope from the light source module for secondary optical treatment, the transmission distance is long, the energy consumption is obvious, and the energy utilization efficiency of the real system is further reduced; and the use of the light guide beam makes the whole product not simple enough, and influences the appearance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a lighting device for a microscope, which adopts an LED light source, has high energy utilization efficiency and saves more energy; and the size of the light spot of different target surfaces can be adjusted by combining with the adjustable diaphragm, so that the adjustable diaphragm can adapt to different application scenes.
To this end, the technical scheme of the utility model is that:
an illumination device for a microscope comprises an LED light source, an adjustable diaphragm, an optical processing lens and a reflector, wherein the adjustable diaphragm is positioned in the emitting direction of the LED light source, and the optical processing lens is positioned between the adjustable diaphragm and the reflector; light of the LED light source is emitted to the optical processing lens through the adjustable diaphragm, then is reflected by the reflector and then is emitted to the target object.
By adopting the technical scheme, a halogen lamp light source is directly abandoned, an LED cold light source is used, infrared band energy does not exist, an illuminating white light is provided, an additional heating side effect on an illuminating target is not generated, the safety is improved, the energy utilization efficiency of the whole system is greatly improved, and the power consumption of a product is reduced; meanwhile, the service life of the LED light source is long, so that the product does not need to replace the light source in the whole service life cycle, and the maintenance cost is low. In addition, a diaphragm is arranged in the light path, so that the illumination on the target plane can be realized, and the illumination range can be zoomed and adjusted according to requirements. In addition, the technical scheme abandons the use of the light guide beam, can directly integrate the light source module into the surgical microscope module, improves the simplicity and the attractiveness of the whole system and the energy utilization efficiency, and solves the problems that the energy utilization efficiency of the system is obviously reduced due to the use of the light guide beam, and the product is complex and not attractive.
As a further improvement of the present invention, the illumination device for a microscope includes a light filter, and the light filter is located between the optical processing lens and the reflector.
As a further improvement, the lighting device for the microscope comprises a light filter switching component, and a plurality of light filters are arranged on the light filter switching component. By adopting the technical scheme, the optical filter can be carried, different optical filters can be switched to the light path according to actual requirements, energy of a specific waveband can be intercepted from a white light spectrum, and the illumination and development functions of the specific color waveband can be realized.
As a further improvement, the optical filter switching assembly is a rotary switching member or a pull switching member, and the optical filter switching assembly is connected with the switching drive assembly. Wherein the rotary switching member or the pull switching member adopts a structure of the related art.
As a further improvement, the light filter switching component is the rotatory component that switches, and multiple pieces of light filters set up along light filter switching component's circumference, the edge of rotatory switching component is equipped with first tooth, it includes switching drive component and drive gear to switch drive component, drive gear and the tooth meshing of rotatory switching component, driving motor drives drive gear and rotates to drive rotatory switching component and rotate, realize the switching of light filter. Furthermore, the switching driving component is a driving motor or a knob handle, the driving motor can be driven by electricity, and the knob handle can be driven by manpower.
As a further improvement, the drive assembly is adjusted with the diaphragm to adjustable diaphragm, adjustable diaphragm is equipped with the logical unthreaded hole of equidimension not along circumference, the edge of adjustable diaphragm is equipped with the second tooth, drive assembly is adjusted including diaphragm drive component and gear to the diaphragm, gear and the meshing of second tooth, diaphragm drive component drives the gear revolve to drive adjustable diaphragm and rotate, realize the change of the logical unthreaded hole of equidimension not. Furthermore, the diaphragm driving member is a motor or a knob handle, the motor can be driven by electricity, and the knob handle can be driven by manpower.
As a further improvement, the lighting device for the microscope comprises a shell, the LED light source, the adjustable diaphragm and the optical processing lens are arranged in the shell, and the reflector is arranged at the opening of the shell.
As a further improvement of the present invention, the outside of the housing is provided with a heat dissipation mechanism.
As a further improvement of the present invention, the LED light source is fixed on the inner wall of the housing, the heat dissipation mechanism includes a heat sink and a fan, and the heat sink is located outside the housing at the fixed LED light source.
As a further improvement of the present invention, the optical processing lens may be a lens group, and may include two or more lenses.
Compared with the prior art, the beneficial effects of the utility model are that:
first, the technical scheme of the utility model adopt the LED light source, no infrared band, the energy is concentrated in the visible light wave band, and energy utilization efficiency is high, and the product is more energy-conserving. And the LED light source has long service life, and the product does not need to frequently replace the light source. Need not to use the leaded light bundle, can integrate in the operation microscope module for whole operation microscope system is succinct more pleasing to the eye.
Secondly, the technical scheme of the utility model can adjust the size of the facula of the target surface by using the adjustable diaphragm, thereby realizing that the size of the illumination range of the illumination target area is adjustable, and being suitable for different application scenes; and the output energy of different color wave bands can be freely switched by combining a plurality of carried optical filters, so that different developing requirements are met.
Drawings
Fig. 1 is a schematic structural diagram of an illumination system of a microscope according to the prior art.
Fig. 2 is a schematic optical path diagram of an illumination device for a microscope according to an embodiment of the present invention.
Fig. 3 is a schematic configuration diagram of an illumination device for a microscope according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an optical filter switching assembly according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an adjustable diaphragm according to an embodiment of the present invention.
1-halogen lamp light source module, 2-light guide beam, 3-secondary optical lens group, 4-reflector, 5-target object;
11-a shell, 12-an LED light source, 13-an adjustable diaphragm, 14-an optical processing lens group, 15-an optical filter switching component, 16-a reflector, 17-a radiator and 18-a fan;
21-optical filter, 22-first teeth, 23-driving motor, 24-driving gear;
31-light through hole, 32-second tooth, 33-motor, 34-gear.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 to 5, an illumination device for a microscope includes a housing 11, and an LED light source 12, an adjustable diaphragm 13, an optical processing lens group 14, and a filter 21 switching assembly 15 located in the housing 11, wherein a reflective mirror 16 is disposed at an opening of the housing 11, the adjustable diaphragm 13 is located in an emission direction of the LED light source 12, and the optical processing lens group 14 is located between the adjustable diaphragm 13 and the reflective mirror 16; the optical filter 21 switching assembly 15 is provided with a plurality of optical filters 21, and the optical filter 21 on the optical filter 21 switching assembly 15 is positioned between the optical processing lens group 14 and the reflective mirror 16. The light of the LED light source 12 is emitted to the optical processing lens group 14 through the adjustable diaphragm 13, then emitted to the reflector 16 through the optical filter 21, and emitted to the target 5 after being reflected.
The optical filter 21 switching assembly 15 is a rotary switching member or a pull switching member, and the optical filter 21 switching assembly 15 is connected with the switching driving assembly. As shown in fig. 4, in this embodiment, the optical filter switching assembly 15 is a rotary switching member, a plurality of optical filters 21 are disposed along the circumferential direction of the optical filter 21 switching assembly 15, a first tooth 22 is disposed on the edge of the optical filter switching assembly 15, the switching driving assembly includes a driving motor 23 and a driving gear 24, the driving gear 24 is engaged with the tooth of the optical filter switching assembly 15, and the driving motor 23 drives the driving gear 24 to rotate, so as to drive the optical filter switching assembly 15 to rotate, and thus, the switching of the optical filters 21 is achieved. The driving motor 23 can be replaced by a knob handle and driven by manpower. Further, in the circumferentially arranged grooves for placing the plurality of filters 21 of the filter 21 switching unit 15, there is a groove in which no filter is placed for outputting white light.
As shown in fig. 5, the adjustable diaphragm 13 is connected with the diaphragm adjusting drive assembly, the adjustable diaphragm 13 is provided with the light passing holes 31 of different sizes along the circumferential direction, the edge of the adjustable diaphragm 13 is provided with the second tooth 32, the diaphragm adjusting drive assembly comprises a motor 33 and a gear 34, the gear 34 is engaged with the second tooth 32, the motor 33 drives the gear 34 to rotate, so that the adjustable diaphragm 13 is driven to rotate, and the change of the light passing holes 31 of different sizes is realized. The motor 33 can be replaced by a knob handle and driven by manpower.
Further, a heat dissipation mechanism is arranged on the outer side of the housing 11. The LED light source 12 is fixed on the inner wall of the shell 11, the heat dissipation mechanism comprises a heat sink 17 and a fan 18, and the heat sink 17 is positioned outside the shell 11 for fixing the LED light source 12.
As shown in fig. 3, a light beam emitted by the LED light source 12 first passes through the adjustable diaphragm 13, the adjustable diaphragm 13 can cut the light beam by screwing the handle to switch the light-passing holes 31 with different sizes, and control the size of the final illumination spot, the light beam is then processed by the lens group to form a divergence angle meeting the user's requirement, and the light filter switching assembly 15 can switch different light filters 21 mounted thereon by screwing the handle to perform corresponding energy filtering on the light beam to generate an energy light beam with a specific color band, and finally the energy light beam irradiates the target object 5 under the reflection of the reflective mirror 16; another imaging system in the surgical microscope system will image the illuminated area for eventual presentation to the operator.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
Claims (9)
1. An illumination device for a microscope, characterized in that: the LED lamp comprises an LED light source, an adjustable diaphragm, an optical processing lens and a reflector, wherein the adjustable diaphragm is positioned in the emitting direction of the LED light source, and the optical processing lens is positioned between the adjustable diaphragm and the reflector; light of the LED light source is emitted to the optical processing lens through the adjustable diaphragm, then is reflected by the reflector and then is emitted to the target object.
2. The illumination device for a microscope according to claim 1, characterized in that: it includes a filter positioned between the optical processing lens and the mirror.
3. The illumination device for a microscope according to claim 2, characterized in that: the optical filter switching device comprises an optical filter switching assembly, wherein a plurality of optical filters are arranged on the optical filter switching assembly.
4. The illumination device for a microscope according to claim 3, characterized in that: the optical filter switching assembly is a rotary switching component or a pull switching component, and is connected with the switching driving assembly.
5. The illumination device for a microscope according to claim 4, characterized in that: the optical filter switching assembly is a rotary switching component, the optical filters are arranged along the circumferential direction of the optical filter switching assembly, first teeth are arranged on the edge of the rotary switching component, the switching driving assembly comprises a switching driving component and a driving gear, the driving gear is meshed with the teeth of the rotary switching component, and the switching driving component drives the driving gear to rotate, so that the rotary switching component is driven to rotate, and the switching of the optical filters is realized.
6. The illumination device for a microscope according to claim 1, characterized in that: the adjustable diaphragm is connected with the diaphragm adjusting drive assembly, the adjustable diaphragm is provided with light through holes of different sizes along the circumferential direction, the edge of the adjustable diaphragm is provided with a second tooth, the diaphragm adjusting drive assembly comprises a diaphragm drive component and a gear, the gear is meshed with the second tooth, the diaphragm drive component drives the gear to rotate, so that the adjustable diaphragm is driven to rotate, and the change of the light through holes of different sizes is realized.
7. The illumination device for a microscope according to claim 1, characterized in that: the LED light source, the adjustable diaphragm and the optical processing lens are positioned in the shell, and the reflector is positioned at an opening of the shell.
8. The illumination device for a microscope according to claim 7, characterized in that: and a heat dissipation mechanism is arranged on the outer side of the shell.
9. The illumination device for a microscope according to claim 8, characterized in that: the LED light source is fixed on the inner wall of the shell, the heat dissipation mechanism comprises a heat radiator and a fan, and the heat radiator is located on the outer side of the shell, where the LED light source is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120607822.1U CN214311082U (en) | 2021-03-25 | 2021-03-25 | Lighting device for microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120607822.1U CN214311082U (en) | 2021-03-25 | 2021-03-25 | Lighting device for microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214311082U true CN214311082U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120607822.1U Active CN214311082U (en) | 2021-03-25 | 2021-03-25 | Lighting device for microscope |
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| Country | Link |
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| CN (1) | CN214311082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115644795A (en) * | 2022-12-12 | 2023-01-31 | 图湃(北京)医疗科技有限公司 | Surgical microscope system and surgical microscope |
-
2021
- 2021-03-25 CN CN202120607822.1U patent/CN214311082U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115644795A (en) * | 2022-12-12 | 2023-01-31 | 图湃(北京)医疗科技有限公司 | Surgical microscope system and surgical microscope |
| CN115644795B (en) * | 2022-12-12 | 2024-04-09 | 图湃(北京)医疗科技有限公司 | Surgical microscope system and surgical microscope |
| WO2024125416A1 (en) * | 2022-12-12 | 2024-06-20 | 图湃(北京)医疗科技有限公司 | Surgical microscope system and surgical microscope |
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