CN204613502U - A kind of stereomicroscope with coaxial-illuminating effect - Google Patents
A kind of stereomicroscope with coaxial-illuminating effect Download PDFInfo
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- CN204613502U CN204613502U CN201520275606.6U CN201520275606U CN204613502U CN 204613502 U CN204613502 U CN 204613502U CN 201520275606 U CN201520275606 U CN 201520275606U CN 204613502 U CN204613502 U CN 204613502U
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Abstract
The utility model discloses a kind of stereomicroscope with coaxial-illuminating effect, comprise base, lighting source, the microscope body that is fixed on the column on base and is connected on column, described microscope body comprises symmetrical two optical imaging systems, the optical axis of left side optical imaging system is primary optic axis, the optical axis of right side optical imaging system is the second optical axis, the optical axis of lighting source is the 3rd optical axis, described lighting source is arranged in described microscope body, and described lighting source comprises LED and is positioned at the illuminating lens on the downside of LED; Described primary optic axis, the second optical axis intersect at same point on sample object plane, and described 3rd optical axis is positioned on the symmetrical plane of primary optic axis and the second optical axis; Further, described 3rd optical axis and described primary optic axis, the second optical axis intersect at same point on sample object plane; The utility model can reach the effect of coaxial-illuminating, and compact conformation, low cost of manufacture, is particularly suitable for the inspection of deep hole observation, tooth.
Description
Technical field
The utility model relates to stereomicroscope, especially a kind of stereomicroscope with coaxial-illuminating effect.
Background technology
Stereomicroscope, also known as " stereomicroscope " or " stereo microscope ", is that one has the relief microscope of erect image, is widely used in biology, medical science, agricultural, industry and sea life all departments.
In the sample of stereomicroscope observation, when sample surface has high reverse--bias character, adopt existing ring illumination, oblique illumination, two optical fibre illumination is difficult to realize clear observation to sample, so just need to adopt the mode of coaxial-illuminating to observe.
It is CN202676975U that the applicant disclosed a publication number on 01 16th, 2013, name is called the utility model patent of " a kind of stereo microscope LED in-line illumination device ", this device is by two built-in LED groups, one piece of semi-transparent semi-reflecting lens, illuminating lens, corresponding electric appliance assembly, on, the compositions such as lower substrate shell and link, only in the image-forming objective lens front end of stereomicroscope, this device need be installed during use, the coaxial-illuminating observing effect of brightness uniformity can be obtained, but this in-line illumination device is arranged at the image-forming objective lens front end of stereomicroscope, affect the compactedness of stereomicroscope structure, make the complex structure of stereomicroscope, and it is as an independently annex, also easily lose, secondly this device needs two LED groups, and the utilization factor of luminous energy is also lower, and manufacturing cost is also higher, in addition, this device is arranged on stereomicroscope image-forming objective lens front end, also can affect the operating space of stereomicroscope, causes adding additional object lens or other function accessories.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of stereomicroscope with coaxial-illuminating effect, can reach the effect of coaxial-illuminating, and compact conformation, low cost of manufacture.
For achieving the above object, the technical solution of the utility model is: a kind of stereomicroscope with coaxial-illuminating effect, comprise base, lighting source, the microscope body being fixed on the column on base and being connected on column, described microscope body comprises symmetrical two optical imaging systems, the optical axis of left side optical imaging system is primary optic axis, the optical axis of right side optical imaging system is the second optical axis, the optical axis of lighting source is the 3rd optical axis, it is characterized in that: described lighting source is arranged in described microscope body, described lighting source comprises LED and is positioned at the illuminating lens on the downside of LED, described primary optic axis, the second optical axis intersect at same point on sample object plane, and described 3rd optical axis is positioned on the symmetrical plane of primary optic axis and the second optical axis.
Further optimization, described 3rd optical axis and described primary optic axis, the second optical axis intersect at same point on sample object plane.The effect of coaxial-illuminating can not only be reached like this, vertical illumination effect can also be reached further, be particularly suitable for the inspection of deep hole observation, tooth.
Preferably described 3rd optical axis and described primary optic axis and the described second optical axis angle formed between plane are 0 ° to 20 °.The angle that preferably primary optic axis described in this and described second optical axis are formed between plane is further 8.5 °.
The angle of preferred described primary optic axis and described second optical axis is 8 ° to 14 °.
Further improvement, is provided with polaroid or is provided with polaroid on the downside of described illuminating lens between described LED and described illuminating lens.Thus formation polarization illumination, to reduce the impact of dazzle.
Further improvement, is provided with color filter or is provided with color filter on the downside of described illuminating lens between described LED and described illuminating lens.Thus meet the lighting demand of different specimens.
Preferred described LED is monochromatic LED lamp or white LED lamp.
Preferred described illuminating lens comprises at least a slice plastic lens or comprise at least one sheet glass lens.
Further improvement, is provided with additional object lens at described microscope body near sample side.Improve further, described additional object lens can adjust up and down and be screwed on described microscope body again; Described additional object lens comprise a cylindrical shell, and the upper end of cylindrical shell is provided with external thread, in cylindrical shell, recessed plano lens and plano-convex lens are housed from bottom to top, recessed plano lens and plano-convex lens glued together.To reach the zoom scope changing optical imaging system, or change the operating distance of optical imaging system, or change the resolution characteristic etc. of optical imaging system.
The utility model beneficial effect is as follows:
1, optical axis due to lighting source is positioned on the symmetrical plane of left side optical imaging system optical axis and right side optical imaging system optical axis, and left side optical imaging system optical axis and right side optical imaging system optical axis intersect at same point on sample object plane, therefore lighting source shine light on sample can non-uniform reflection on left side optical imaging system and right side optical imaging system, form coaxial-illuminating effect, stereomicroscope is made to observe shadow-free, undistorted picture quality, the inspection of surface-mounted integrated circuit can be widely used in, the Quality Identification of fibrin and some crystal, the qualification of the crystal in mineral and rocks chemistry can also be used for, be particularly suitable for deep hole to observe, the inspection of tooth.
2, because lighting source is placed in microscope body, as long as and lighting source is a set of, the structure of whole stereomicroscope is just compact, and volume is little, and low cost of manufacture.
3, because lighting source only needs a set of, can be set to again be similar to vertical illumination effect, the utilization factor of luminous energy can be improved.
4, because lighting source is placed in microscope body, add operating space, convenient interpolation in stereomicroscope main body adds object lens or other function accessories.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the sectional view along A-A in Fig. 1;
Fig. 3 is optical system schematic diagram of the present utility model;
Fig. 4 is the B-B cross-sectional schematic of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
As shown in Figures 1 to 4, a kind of stereomicroscope with coaxial-illuminating effect, comprise base 1, lighting source 2, the microscope body 4 that is fixed on the column 3 on base 1 and is connected on column 3, described microscope body 4 comprises symmetrical two optical imaging systems, and two optical imaging systems are left side optical imaging system 41a and right side optical imaging system 41b respectively.
Left side optical imaging system 41a is provided with from bottom to up successively: fixing front group of 411a, lower zoom group 412a, upper zoom group 413a, rear fixing group of 414a, be also provided with catoptron group 415a and eyepiece 416a successively on rear fixing group of 414a;
Right side optical imaging system 41b comprises from bottom to up successively: fixing front group of 411b, lower zoom group 412b, upper zoom group 413b, rear fixing group of 414b, be also provided with catoptron group 415b and eyepiece 416b successively on rear fixing group of 414b.
The illuminating lens 22 that lighting source 2 comprises LED 21 and is positioned on the downside of LED 21, illuminating lens 22 can be a slice or multi-disc.Lighting source 2 is arranged in described microscope body 4, and the present embodiment is arranged at lighting source 2 in the zoom body of described microscope body 4.
Described LED 21 can select monochromatic LED lamp or white LED lamp, and described illuminating lens 22 can select plastic lens or glass lens.Column 3 is provided with LED switch 31 and LED brilliance control knob 32.
Fig. 3 shows further, and the optical axis of left side optical imaging system 41a is primary optic axis a, and the optical axis of right side optical imaging system 41b is the second optical axis b, and the optical axis of lighting source 2 is the 3rd optical axis e; Described primary optic axis a, the second optical axis b and the 3rd optical axis e intersect at same point on sample 5 object plane, and the 3rd optical axis e is positioned on the symmetrical plane of primary optic axis a and the second optical axis b; The angle preferable range of described primary optic axis a and described second optical axis b is 8 ° to 14 °.
Fig. 4 illustrates that described 3rd optical axis e and described primary optic axis a and described second optical axis b forms the angle α between plane further, and this angle α preferable range is 0 ° to 20 °, this angle of the present embodiment α more preferably 8.5 °.
In order to improve the image quality of stereomicroscope, polaroid 23 can be provided with between described LED 21 and described illuminating lens 22, polaroid 23 also can be arranged on the downside of described illuminating lens 22, and the light that LED 21 penetrates forms polarization illumination after polaroid 23, reduces the impact of dazzle; Also can be provided with color filter between described LED 21 and described illuminating lens 22 or be provided with color filter on the downside of described illuminating lens 22, meeting the requirement of different specimens 5 to illumination, adapting to the demand of observing different specimens 5.
Additional object lens 6 are provided with near sample 5 side at described microscope body 4, the additional object lens 6 of the present embodiment comprise a cylindrical shell 60, the upper end of cylindrical shell 60 is provided with external thread, recessed plano lens 61 and plano-convex lens 62 are housed in cylindrical shell 60 from bottom to top, recessed plano lens 61 and plano-convex lens 62 glued together, described additional object lens 6 utilize the external thread of cylindrical shell 60 upper end to adjust up and down to be screwed on described microscope body 4, the zoom scope changing imaging optical system can be reached by additional object lens 6, operating distance, resolution characteristic etc., illumination zone and brightness of illumination are also corresponding to be changed at any time, make the effect of eye-observation sample 5 substantially constant.
The light that LED 21 sends adjusts the direct of travel of light through illuminating lens 22, meets the requirement of illumination field of view, is irradiated on sample 5, and the image formation by rays that sample 5 reflects, on intermediate image plane c, utilizes eyepiece 416a, 416b to observe at eyespot d.
Below be only the utility model preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (10)
1. one kind has the stereomicroscope of coaxial-illuminating effect, comprise base, lighting source, the microscope body that is fixed on the column on base and is connected on column, described microscope body comprises symmetrical two optical imaging systems, the optical axis of left side optical imaging system is primary optic axis, the optical axis of right side optical imaging system is the second optical axis, the optical axis of lighting source is the 3rd optical axis, it is characterized in that: described lighting source is arranged in described microscope body, described lighting source comprises LED and is positioned at the illuminating lens on the downside of LED; Described primary optic axis, the second optical axis intersect at same point on sample object plane, and described 3rd optical axis is positioned on the symmetrical plane of primary optic axis and the second optical axis.
2. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: described 3rd optical axis and described primary optic axis, the second optical axis intersect at same point on sample object plane.
3. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: described 3rd optical axis and described primary optic axis and the described second optical axis angle formed between plane are 0 ° to 20 °.
4. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: the angle of described primary optic axis and described second optical axis is 8 ° to 14 °.
5. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: between described LED and described illuminating lens, be provided with polaroid or be provided with polaroid on the downside of described illuminating lens.
6. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: between described LED and described illuminating lens, be provided with color filter or be provided with color filter on the downside of described illuminating lens.
7. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: described LED is monochromatic LED lamp or white LED lamp.
8. a kind of stereomicroscope with coaxial-illuminating effect according to claim 1, is characterized in that: described illuminating lens comprises at least a slice plastic lens or comprise at least one sheet glass lens.
9. a kind of stereomicroscope with coaxial-illuminating effect according to any one of claim 1 to 8, is characterized in that: be provided with additional object lens at described microscope body near sample side.
10. a kind of stereomicroscope with coaxial-illuminating effect according to claim 9, is characterized in that: described additional object lens can adjust up and down and be screwed on described microscope body; Described additional object lens comprise a cylindrical shell, and the upper end of cylindrical shell is provided with external thread, in cylindrical shell, recessed plano lens and plano-convex lens are housed from bottom to top, recessed plano lens and plano-convex lens glued together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275606.6U CN204613502U (en) | 2015-04-30 | 2015-04-30 | A kind of stereomicroscope with coaxial-illuminating effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275606.6U CN204613502U (en) | 2015-04-30 | 2015-04-30 | A kind of stereomicroscope with coaxial-illuminating effect |
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| CN204613502U true CN204613502U (en) | 2015-09-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793326A (en) * | 2015-04-30 | 2015-07-22 | 麦克奥迪实业集团有限公司 | Stereo microscope with coaxial lighting effect |
| CN105511068A (en) * | 2016-01-28 | 2016-04-20 | 麦克奥迪实业集团有限公司 | Microscope continuous position identification device |
-
2015
- 2015-04-30 CN CN201520275606.6U patent/CN204613502U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793326A (en) * | 2015-04-30 | 2015-07-22 | 麦克奥迪实业集团有限公司 | Stereo microscope with coaxial lighting effect |
| CN105511068A (en) * | 2016-01-28 | 2016-04-20 | 麦克奥迪实业集团有限公司 | Microscope continuous position identification device |
| CN105511068B (en) * | 2016-01-28 | 2018-10-02 | 麦克奥迪实业集团有限公司 | A kind of microscopical continuous position identification device |
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