CN105445919A - Light source device of fluorescence microscope - Google Patents
Light source device of fluorescence microscope Download PDFInfo
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- CN105445919A CN105445919A CN201510985141.8A CN201510985141A CN105445919A CN 105445919 A CN105445919 A CN 105445919A CN 201510985141 A CN201510985141 A CN 201510985141A CN 105445919 A CN105445919 A CN 105445919A
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- negative polarity
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/06—Means for illuminating specimens
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Abstract
The invention discloses a light source device of a fluorescence microscope. According to the structure of the light source device, more than two LEDs are circumferentially distributed on a turntable; a rotation shaft is sleeved with a wiring disc and a wiring seat; the wiring disc and the wiring seat are commonly located between the turntable and a mounting bracket; the wiring disc is fixed to the turntable; the wiring seat is fixed to the mounting bracket; the positive pole and negative pole of each LED are both led to the surface of the wiring disc through leads, and a corresponding pair of positive and negative pole contacts is formed on the surface of the wiring disc; the more than two groups of positive and negative pole contacts are circumferentially distributed and all face the wiring seat; and a pair of positive and negative pole contact sheets which is in conduction with an external power source is formed on the surface of the wiring seat, and is located at the common circular track of the rotation of the more than two groups of positive and negative pole contacts, and can be attached to any one of the more than two groups of positive and negative pole contacts. With the light source device adopted, technical problems existing in prolonging the service life of a light source on a fluorescence microscope can be solved. The light source device of the invention has the advantages of long service life and the like.
Description
Technical field
The present invention relates to a kind of parts of fluorescent microscope, particularly a kind of light supply apparatus of fluorescent microscope.
Background technology
Fluorescent microscope, the narrow band light mainly sent with certain light source or wide spectrum optical, the narrow band light (as 365nm ultraviolet light or 420nm purplish blue light) of certain wavelength is produced as exciting light through color filter array, irradiate by the sample of fluorochrome label, fluorescent material in excited sample launches the fluorescence of various different colours, after another fluorescence color filter array, then observed by the amplification of object lens and eyepiece.Like this strong under backing scape, also easily recognize even if fluorescence is very faint, highly sensitive, can be used for studying the absorption of intracellular matter, transport, the distribution of chemical substance and location etc., is the desirable instrument carrying out the research work such as biology, cytology, oncology, science of heredity, immunology.
The essential structure of fluorescent microscope adds some annexes on the basis of ordinary optical microscope, as fluorescence light source, excites filter disc, dichromatic beam separation vessel and block filter glass etc.
Wherein, existing fluorescence light source generally adopts ultrahigh pressure mercury lamp (50 ~ 200W), and it can send the light of various wavelength, but its life-span is shorter, mercury lamp typical life 200 hours.Therefore, applicant think be necessary to the light source of above-mentioned existing fluorescent microscope do further structure improve.
Summary of the invention
The object of the invention is the light supply apparatus that a kind of fluorescent microscope that serviceable life is relatively longer on the basis of Wavelength tunable joint realizing light source is provided to solve above-mentioned the deficiencies in the prior art.
To achieve these goals, the light supply apparatus of a kind of fluorescent microscope designed by the present invention, comprise the mounting bracket be fixed in microscopical main body and the rotating disk be hinged to by rotating shaft on mounting bracket, plural LED is furnished with in rotating disk pressed on ring, described rotating shaft is socketed with patching panel and junction block, described patching panel and junction block are co-located at above-mentioned rotating disk and mounting bracket between the two, and patching panel and rotating disk fix, junction block then fixes with mounting bracket, the both positive and negative polarity of above-mentioned each LED is all directed on the surface of patching panel, and form a pair both positive and negative polarity contact all from the teeth outwards, described both positive and negative polarity contact ring-type arrangement more than two, and it is consistent with junction block, the surface of junction block is formed the both positive and negative polarity contact be conducted with external power source for a pair, and drop on common Circular test when above-mentioned both positive and negative polarity contact more than two rotates, and can fit with wherein any one group of both positive and negative polarity contact.
The light supply apparatus of above-mentioned middle provided a kind of fluorescent microscope, it has made improvement to the excitation source of fluorescent microscope, first instead of xenon lamp of the prior art, mercury lamp, Metal halogen lamp equal excitation light source with LED group, consider under appropriate electric current and voltage, the serviceable life of LED can reach 100,000 hours, and the improvement that therefore above-mentioned light source is selected significantly reduces the use cost of light supply apparatus on fluorescent microscope.
Secondly, in the structure of above-mentioned light supply apparatus, described rotating shaft is socketed with patching panel and junction block, described patching panel and junction block are co-located at above-mentioned rotating disk and mounting bracket between the two, and patching panel and rotating disk fix, junction block then fixes with mounting bracket, the both positive and negative polarity of above-mentioned each LED is all directed on the surface of patching panel, and form a pair both positive and negative polarity contact all from the teeth outwards, described both positive and negative polarity contact ring-type arrangement more than two, and it is consistent with junction block, the surface of junction block is formed the both positive and negative polarity contact be conducted with external power source for a pair, and drop on common Circular test when above-mentioned both positive and negative polarity contact more than two rotates, and can fit with wherein any one group of both positive and negative polarity contact.As long as above-mentioned structure ensure that user rotates rotating disk, the LED on its rotating disk just can be lit one by one, as long as therefore guarantee that the wave band of the multiple LED on above-mentioned rotating disk is complementary different, the wavelength that both can realize light supply apparatus switches, convenient and swift.
Improve as a kind of structure, above-mentioned rotating disk pressed on ring is furnished with the locating slot of one_to_one corresponding LED, and the LED of each group and locating slot are all positioned on the same locus of radius of rotating disk, above-mentioned mounting bracket is provided with installation step hole, run through in installation step hole and have register pin, the head end of described register pin extends the aperture, side in installation step hole, and enter in supreme any one locating slot stated, and the positive stop lug boss of its end keeps off mutually with the step surface in installation step hole and connecing, described register pin offers buried via hole, in buried via hole, plug is connected to back-moving spring, buried via hole is extended in one end of described back-moving spring, and apical grafting to screw thread is screwed on the screw in the opposite side aperture in above-mentioned installation step hole.
Consider in above-mentioned a kind of structure improvement project that the locating slot that described rotating disk is periphery is corresponding one by one one by one with LED, the locating slot of said structure matches with the register pin on mounting bracket, the laminating that both positive and negative polarity contact that a pair both positive and negative polarity contact of drawing from the both positive and negative polarity of each LED all can be conducted with external power source is accurate and stable can be guaranteed, ensure conductive stability between the two.
The light supply apparatus of a kind of fluorescent microscope that the present invention obtains, it has possessed the long service life of light source, and the financial cost of fluorescent microscope entirety is reduced, simultaneously each wave band easy switching of light source, uses stable grade for some row advantages.
Accompanying drawing explanation
Fig. 1 be embodiment 1 a kind of Facad structure schematic diagram of light supply apparatus of fluorescent microscope is provided;
Fig. 2 be embodiment 1 a kind of section structure schematic diagram of light supply apparatus of fluorescent microscope is provided;
Fig. 3 be embodiment 1 a kind of light supply apparatus turntable of fluorescent microscope and the structure schematic diagram of connecting line are provided;
Fig. 4 be embodiment 1 the Facad structure schematic diagram of junction block and mounting bracket in a kind of light supply apparatus of fluorescent microscope is provided;
Fig. 5 be embodiment 2 a kind of section structure schematic diagram of light supply apparatus of fluorescent microscope is provided;
Fig. 6 is the close-up schematic view at A place in Fig. 5.
In figure: mounting bracket 1, rotating shaft 2, rotating disk 3, LED4, patching panel 5, junction block 6, both positive and negative polarity contact 7, both positive and negative polarity contact 8, locating slot 9, installation step hole 10, register pin 11, positive stop lug boss 12, step surface 13, buried via hole 14, back-moving spring 15, screw 16.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
As Figure 1-4, the light supply apparatus of a kind of fluorescent microscope provided in the present embodiment, comprise the mounting bracket 1 be fixed in microscopical main body and the rotating disk 3 be hinged to by rotating shaft 2 on mounting bracket 1, five LED4 are furnished with in rotating disk 3 pressed on ring, described rotating shaft 2 is socketed with patching panel 5 and junction block 6, described patching panel 5 and junction block 6 are co-located at above-mentioned rotating disk 3 and mounting bracket 1 between the two, and patching panel 5 and rotating disk 3 fix, junction block 6 and mounting bracket 1 fix, the both positive and negative polarity of above-mentioned each LED4 is all directed on the surface of patching panel 5, and form a pair both positive and negative polarity contact 7 all from the teeth outwards, described both positive and negative polarity contact 7 ring-type arrangement more than two, and it is consistent with junction block 6, the surface of junction block 6 is formed the both positive and negative polarity contact 8 be conducted with external power source for a pair, and drop on common Circular test when above-mentioned both positive and negative polarity contact 7 more than two rotates, and can fit with wherein any one group of both positive and negative polarity contact 7.
The light supply apparatus of above-mentioned middle provided a kind of fluorescent microscope, it has made improvement to the excitation source of fluorescent microscope, first instead of xenon lamp of the prior art, mercury lamp, Metal halogen lamp equal excitation light source with LED4 lamp group, consider under appropriate electric current and voltage, the serviceable life of LED4 can reach 100,000 hours, and the improvement that therefore above-mentioned light source is selected significantly reduces the use cost of light supply apparatus on fluorescent microscope.
Secondly, in the structure of above-mentioned light supply apparatus, described rotating shaft 2 is socketed with patching panel 5 and junction block 6, described patching panel 5 and junction block 6 are co-located at above-mentioned rotating disk 3 and mounting bracket 1 between the two, and patching panel 5 and rotating disk 3 fix, junction block 6 and mounting bracket 1 fix, the both positive and negative polarity of above-mentioned each LED4 is all directed on the surface of patching panel 5, and form a pair both positive and negative polarity contact 7 all from the teeth outwards, described both positive and negative polarity contact 7 ring-type arrangement more than two, and it is consistent with junction block 6, the surface of junction block 6 is formed the both positive and negative polarity contact 8 be conducted with external power source for a pair, and drop on common Circular test when above-mentioned both positive and negative polarity contact 7 more than two rotates, and can fit with wherein any one group of both positive and negative polarity contact 7.As long as above-mentioned structure ensure that user rotates rotating disk 3, the LED4 on its rotating disk 3 just can be lit one by one, as long as therefore guarantee that the wave band of the multiple LED4 on above-mentioned rotating disk 3 is complementary different, the wavelength that both can realize light supply apparatus switches, convenient and swift.
Embodiment 2:
The light supply apparatus of a kind of fluorescent microscope provided in the present embodiment, its general structure is consistent with embodiment 1, as shown in Figure 5 and Figure 6, but the pressed on ring of rotating disk 3 described in the present embodiment is furnished with the locating slot 9 of one_to_one corresponding LED4, and the LED4 of each group and locating slot 9 are all positioned on the same locus of radius of rotating disk 3, above-mentioned mounting bracket 1 is provided with installation step hole 10, run through in installation step hole 10 and have register pin 11, the head end of described register pin 11 extends the aperture, side in installation step hole 10, and enter in supreme any one locating slot 9 stated, and the positive stop lug boss 12 of its end keeps off with step surface 13 phase in installation step hole 10 and connecing, described register pin 11 offers buried via hole 14, in buried via hole 14, plug is connected to back-moving spring 15, buried via hole 14 is extended in one end of described back-moving spring 15, and apical grafting to screw thread is screwed on the screw 16 in the opposite side aperture in above-mentioned installation step hole 10.
Consider that the locating slot 9 that above-mentioned rotating disk 3 is periphery is corresponding one by one one by one with LED4, the locating slot 9 of said structure matches with the register pin 11 on mounting bracket 1, the laminating that both positive and negative polarity contact 8 that a pair both positive and negative polarity contact 7 of drawing from the both positive and negative polarity of each LED4 all can be conducted with external power source is accurate and stable can be guaranteed, ensure conductive stability between the two.
Claims (2)
1. the light supply apparatus of a fluorescent microscope, it is characterized in that comprising the mounting bracket (1) be fixed in microscopical main body and the rotating disk (3) be hinged to by rotating shaft (2) on mounting bracket (1), plural LED(4 is furnished with) in rotating disk (3) pressed on ring, described rotating shaft (2) is socketed with patching panel (5) and junction block (6), described patching panel (5) and junction block (6) are co-located at above-mentioned rotating disk (3) and mounting bracket (1) between the two, and patching panel (5) and rotating disk (3) fix, junction block (6) then fixes with mounting bracket (1), above-mentioned each LED(4) both positive and negative polarity be all directed on the surface of patching panel (5), and form a pair both positive and negative polarity contact (7) all from the teeth outwards, described both positive and negative polarity contact (7) ring-type more than two arrangement, and it is consistent with junction block (6), the surface of junction block (6) is formed the both positive and negative polarity contact (8) be conducted with external power source for a pair, and drop on common Circular test when above-mentioned both positive and negative polarity contact (7) more than two rotates, and can fit with wherein any one group of both positive and negative polarity contact (7).
2. the light supply apparatus of a kind of fluorescent microscope according to claim 1, it is characterized in that above-mentioned rotating disk (3) pressed on ring is furnished with one_to_one corresponding LED(4) locating slot (9), and the LED(4 of each group) be all positioned on the same locus of radius of rotating disk (3) with locating slot (9), above-mentioned mounting bracket (1) is provided with installation step hole (10), run through in installation step hole (10) and have register pin (11), the head end of described register pin (11) extends the aperture, side in installation step hole (10), and enter in supreme any one locating slot (9) stated, and the positive stop lug boss of its end (12) keeps off mutually with the step surface (13) of installation step hole (10) and connecing, described register pin (11) offers buried via hole (14), in buried via hole (14), plug is connected to back-moving spring (15), buried via hole (14) is extended in one end of described back-moving spring (15), and apical grafting to screw thread is screwed on the screw (16) in the opposite side aperture of above-mentioned installation step hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985141.8A CN105445919B (en) | 2015-12-25 | 2015-12-25 | The light supply apparatus of fluorescence microscope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510985141.8A CN105445919B (en) | 2015-12-25 | 2015-12-25 | The light supply apparatus of fluorescence microscope |
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| CN105445919A true CN105445919A (en) | 2016-03-30 |
| CN105445919B CN105445919B (en) | 2018-04-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105954865A (en) * | 2016-07-08 | 2016-09-21 | 江苏斯托利仪器仪表有限公司 | Fluorescent module and fluorescent lighting device |
| CN108254913A (en) * | 2017-11-27 | 2018-07-06 | 湖南宏动光电有限公司 | A kind of fluorescence microscope lighting system for circulating tumor cell detection |
| CN112130310A (en) * | 2020-10-19 | 2020-12-25 | 中国科学院苏州生物医学工程技术研究所 | Multiband light source gating device and microscopic imaging system |
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| JP2007199458A (en) * | 2006-01-27 | 2007-08-09 | Yokogawa Electric Corp | Confocal microscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105954865A (en) * | 2016-07-08 | 2016-09-21 | 江苏斯托利仪器仪表有限公司 | Fluorescent module and fluorescent lighting device |
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| CN112130310A (en) * | 2020-10-19 | 2020-12-25 | 中国科学院苏州生物医学工程技术研究所 | Multiband light source gating device and microscopic imaging system |
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| Publication number | Publication date |
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| CN105445919B (en) | 2018-04-27 |
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