CN201397421Y - Lighting device of stereo microscope - Google Patents
Lighting device of stereo microscope Download PDFInfo
- Publication number
- CN201397421Y CN201397421Y CN2009200438275U CN200920043827U CN201397421Y CN 201397421 Y CN201397421 Y CN 201397421Y CN 2009200438275 U CN2009200438275 U CN 2009200438275U CN 200920043827 U CN200920043827 U CN 200920043827U CN 201397421 Y CN201397421 Y CN 201397421Y
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- China
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- lens
- lighting device
- lamp holder
- light source
- light
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- Expired - Lifetime
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- 230000003287 optical effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 5
- 241000238631 Hexapoda Species 0.000 description 1
- 239000006121 base glass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 235000012773 waffles Nutrition 0.000 description 1
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- Microscoopes, Condenser (AREA)
Abstract
The utility model provides a refection type lighting device on a stereo microscope with the advantages of simple structure, low cost, high lighting efficiency, high brightness and better dark field observing effect. The lighting device of stereo microscope comprises a lamp holder, light sources arranged on the lamp holder and lenses; the lamp holder is annular; more than two light sources and lenses are uniformly arranged on the annular lamp holder; the light axle of the center of each lens is crossed with the main light axle of the center of the microscope on the same point; and the lights emitted by the light sources are illuminated on the detected substances arranged on the axes of the lamp holder in parallel from each direction after passing through the lenses.
Description
Technical field
The utility model relates to a kind of lighting device of stereomicroscope.
Background technology
In traditional microscope, stereomicroscope is a kind of relief visual instrument of erect image that has, and operating distance is very long, and field number is very big, and depth of focus is very long, often is used to detect a precision component of industrial circle, perhaps may be plant or toy such as small insect.Stereomicroscope comprises: dispose object lens main body, dispose objective table base, dispose the focus adjusting mechanism of carriage.Between the carriage of main body and focus adjusting mechanism is to be connected by a hole, main body is placed in the hole of carriage, and main body can be done 360 degree rotations in the hole of carriage, forward the working position of wanting to after, use a screw lock.This version can be convenient for changing different microscope bodies on same carriage, realize the modular design and the sale of product.
The lighting system of stereomicroscope has transillumination (following light source) and reflective illumination (going up light source).Following light source is positioned at microscopical base, by direct or certain light path glass platen on the base or frosted glass platen is evenly illuminated, and the sample of observation is placed on the platen, is mainly used in to observe section, waffle slab, resolving power test target etc.
The mode of last illumination has following four kinds: (one) goes up the side that light source is installed in the focus adjusting mechanism bracket, sample is formed oblique illumination, about object lens.(2) make an additional lighting source, be fixed on the end of microscope body by dog screw, about object lens.By the screwed in place screw retention endways in the portion, and pull down from terminal part by unclamping dog screw.(3) do an independent lighting accessory, as hard tube optical fiber, general independent luminaire (the entablement lamp ﹠ lantern seemingly), this luminaire is independent of outside the microscope, is not installed on the microscope, only is placed on the next door illumination, does not move with arbitrary parts on object lens or the microscope.(4) be a kind of illumination that is built in the microscope body, as coaxial luminaire, vertical illuminator, this illumination needs the illumination path design of a complexity, is equipped with physical construction again, is a complexity, expensive illuminator.
Four kinds of above-mentioned reflective lighting systems all exist illuminating effect relatively poor, the problem that the dark field observing effect is bad.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, cost is low, illumination efficiency is high, high brightness, have the reflecting typed illuminating apparatus on the stereomicroscope of dark field observing effect preferably.
The lighting device of this stereomicroscope, comprise lamp socket, be arranged on light source and lens on the lamp socket, described lamp socket ringwise, plural light source and lens are distributed on the annular lamp holder, each lens center optical axis meets at same point with microscope center primary optical axis, light that light source sends through behind the lens from all directions be directional light shine be positioned on the lamp socket axis to testee.
The focal length of lens satisfies following condition in the utility model: at the stereomicroscope object lens when focusing is finished, light that light source sends through become to be behind the lens directional light shine be positioned on the lamp socket axis to testee.Therefore, lighting device of the present utility model can make observing effect present better dark field observing effect, has reduced the burden of testing, has improved the efficient of testing more.
As improvement, described light source is the led lamp.
As improvement, described led lamp and lens are 9.
Description of drawings
Fig. 1 is cut-open view of the present utility model (a light path synoptic diagram)
Fig. 2 is the upward view of Fig. 1
Embodiment
Referring to nine lamp body stereomicroscope lighting devices shown in Fig. 1,2,9 led lamps 1 and 9 lens 2 are distributed on the annular lamp holder 3, the light that built-in LED lamp is got is through the lens of nine annular arrangements, making the ring of light be directional light shines on the testee 4, because the focal length of lens is through strict calculating, make at the stereomicroscope object lens when focusing is finished, the directional light cover that nine lamp body stereomicroscope lighting devices are squeezed into from all directions to testee, thereby make observing effect present better dark field observing effect.Therefore, with respect to other any lighting device, has better object observing effect.Nine lamp bodies are looked the burden that illumination has not only reduced testing, have improved the efficient of testing more.
It can cooperate multiple stereomicroscope to use.For example, it can make an additional lighting source, is fixed on the end of microscope body by dog screw, about object lens.When focusing was finished, the directional light cover that nine lamp body stereomicroscope lighting devices are squeezed into from all directions was to testee at the stereomicroscope object lens.
Claims (3)
1. the lighting device of stereomicroscope, comprise lamp socket, be arranged on light source and lens on the lamp socket, it is characterized in that: described lamp socket ringwise, plural light source and lens are distributed on the annular lamp holder, each lens center optical axis meets at same point with microscope center primary optical axis, light that light source sends through become to be behind the lens directional light shine be positioned on the lamp socket axis to testee.
2. lighting device according to claim 1 is characterized in that: light source is the led lamp.
3. lighting device according to claim 1 is characterized in that: described led lamp and lens are 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200438275U CN201397421Y (en) | 2009-05-25 | 2009-05-25 | Lighting device of stereo microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200438275U CN201397421Y (en) | 2009-05-25 | 2009-05-25 | Lighting device of stereo microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201397421Y true CN201397421Y (en) | 2010-02-03 |
Family
ID=41619941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200438275U Expired - Lifetime CN201397421Y (en) | 2009-05-25 | 2009-05-25 | Lighting device of stereo microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201397421Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376540A (en) * | 2012-04-29 | 2013-10-30 | 麦克奥迪实业集团有限公司 | Stereoscopic microscope LED coaxial lighting device |
| CN113798205A (en) * | 2021-09-24 | 2021-12-17 | 深圳市华腾半导体设备有限公司 | An alignment detection device and a chip sorting device with the same |
-
2009
- 2009-05-25 CN CN2009200438275U patent/CN201397421Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376540A (en) * | 2012-04-29 | 2013-10-30 | 麦克奥迪实业集团有限公司 | Stereoscopic microscope LED coaxial lighting device |
| CN113798205A (en) * | 2021-09-24 | 2021-12-17 | 深圳市华腾半导体设备有限公司 | An alignment detection device and a chip sorting device with the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |