CN110161670A - A kind of microscope illumination system of adjustable color - Google Patents
A kind of microscope illumination system of adjustable color Download PDFInfo
- Publication number
- CN110161670A CN110161670A CN201910605891.6A CN201910605891A CN110161670A CN 110161670 A CN110161670 A CN 110161670A CN 201910605891 A CN201910605891 A CN 201910605891A CN 110161670 A CN110161670 A CN 110161670A
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- light source
- led light
- brightness
- microscope illumination
- led
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- 238000005286 illumination Methods 0.000 title claims abstract description 36
- 238000005538 encapsulation Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/06—Means for illuminating specimens
Abstract
The invention discloses a kind of microscope illumination systems of adjustable color, comprising: LED light source, control circuit, man-machine interface, the LED light source is spatially symmetrical or is uniformly distributed, and control circuit can control the colour temperature and brightness of LED light source simultaneously；The control circuit is separately connected man-machine interface and LED light source, and control circuit is made of color temperature adjustment unit, brightness adjusting unit, master control system unit, color temperature sensor；Master control system unit controls the brightness of the LED chip of different-colour by the LED light source drive module, adjusts microscope illumination colour temperature, brightness.The present invention provides one kind can accurately and effectively adjust the colour temperature for the white light being irradiated on sample face and the microscope illumination system of brightness, so that microscope is satisfied with different environment or sample needs, obtains preferable observing effect, the configuration of the present invention is simple, optics utilization rate is high, and colour temperature is more stable.
Description
Technical field
The present invention relates to microscope technology field, in particular to a kind of microscope illumination system of adjustable color.
Background technique
Lighting system is the important component of modern microscopes optical system, and with the rapid development of science and technology, the modern times are aobvious
Requirement of the micro mirror to lighting system also more comes also high, and for different observation objects, the light source illumination for needing suitable colour temperature can just be obtained
Obtain optimal observing effect.
The lighting system of existing microscope adjustable color, such as 2008/0151368 Al of Lai Ka house journal US, are adopted
The adjusting of colour temperature is realized with the method for replacement light source module, it is cumbersome, and can not achieve continuously adjusting for colour temperature, it influences to see
Examine efficiency.Patent CN102768402B discloses a kind of microscope illumination system that colour temperature is continuously adjustable, simply not using more
With the LED of colour temperature, but LED spacing is big, and light mixing is uneven, and optics utilization rate is low.Shun Yu house journal CN107505697A is disclosed
A kind of continuously adjustable microscope illumination system of colour temperature is done in conjunction with light guide plate and diffuser plate using the LED of more different-colours
At planar light source, uniform mixed light may be implemented, but structure is complicated, optics utilization rate is low.Existing patent of invention
CN107911909A discloses a kind of surgical operation microscope and its continuously adjustable method of illumination colour temperature, including LED light source is by saturating
Any one of mirror, reflector, circular cone prism or combinations thereof is radiated on sample after carrying out even light, by control circuit by colour temperature
It feeds back and is shown in man-machine interface, the adjusting to colour temperature is realized by man-machine interface.But this application is needed through even light, structure
It is more complicated, and the application does not need to carry out even light by component, structure is simpler.
Summary of the invention
The object of the present invention is to provide a kind of microscope illumination systems, it is intended to realize under the premise of being changed without light source efficient
Continuously adjust the colour temperature of illumination.
To solve the above problems, the technical scheme is that a kind of microscope illumination system of adjustable color, comprising:
LED light source, control circuit, man-machine interface, the LED light source is spatially symmetrical or is uniformly distributed, and control circuit can
To control the colour temperature and brightness of LED light source simultaneously；It is characterized by: the control circuit is separately connected man-machine interface and LED
Light source, the control circuit are made of color temperature adjustment unit, brightness adjusting unit, master control system unit, color temperature sensor, institute
The master control system unit stated contains signal processing module and LED light source drive module；The master control system unit passes through institute
The brightness of the LED chip for the LED light source drive module control different-colour stated, adjusts microscope illumination colour temperature, brightness.
The LED light source is compact multi color temperature LED light source；
The control circuit is connect with LED light source, for adjusting the colour temperature and brightness of LED light source.
The LED light source is radiated on sample face after collecting lens is assembled, and carries out even light to LED light source, wherein described
Collecting lens in have frosting or cloudy surface.
The colour temperature of the LED light source continuously adjusts within the scope of 2700K-6500K.
The LED light source is paster type encapsulation (SMD) or plate above formula encapsulates (COB) or the compact of other packaged types
LED light source.
The LED light source encapsulates the LED chip of at least two colour temperatures in single LED, and light-emitting surface is small, and optics utilizes
Rate is high.
The master control system unit receives the adjusting information of color temperature adjustment unit, is exported by LED light source drive module
The electric current of multichannel different duty controls the brightness of the LED chip of different-colour, realizes the tune of microscope illumination light source color temperature
Section.
The adjusting information that the master control system unit receives brightness adjusting unit waits ratios by LED light source drive module
Example increases or reduces the output electric current of same duty ratio, controls the brightness of the LED chip of different-colour, realizes microscope illumination light
The adjusting of source brightness.
The colour temperature of the color temperature sensor real-time monitoring LED light source, when the colour temperature of LED light source is in user's use process
It fluctuates, color temperature sensor feeds back information to master control system unit, and master control system unit is real-time according to the information received
The output electric current of LED drive module is adjusted, guarantees the stabilization of LED light source colour temperature.
The color temperature adjustment unit and brightness adjusting unit, independent control colour temperature and brightness.
The color temperature sensor measures practical colour temperature.
The color temperature sensor is color sensor as feedback unit and the real-time color temperature information of LED is fed back to control
Circuit.
The duty ratio does not need to form certain proportion, can reach as long as forming duty ratio change colour temperature, change it is bright
The purpose of degree.
The present invention is compared with the microscope illumination system of the prior art: structure is simple, and optics utilization rate is high, and colour temperature is more steady
It is fixed.
Detailed description of the invention
The present invention can be further illustrated by the nonlimiting examples that attached drawing provides；
Fig. 1 is a kind of structural schematic diagram of microscope illumination system of the present invention.
Fig. 2-1 is a kind of structural schematic diagram of the microscope illumination system LED of adjustable color of the present invention.
Fig. 2-2 is a kind of structural schematic diagram of the microscope illumination system LED of adjustable color of the present invention.
Fig. 3 is the structural schematic diagram of collecting lens in a kind of microscope illumination system of the present invention.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
As shown in Figure 1, the implementation of technical solution of the present invention includes: control circuit 1, LED light source 2, collecting lens 3, wherein control
Circuit 1 processed includes colour temperature control unit 4, brightness control unit 5, color temperature sensor 6, master control system unit 7 again.LED light source 2 with
Control circuit 1 connects, and can be controlled separately LED light source 1 by the adjusting knob of colour temperature control unit 4 and brightness control unit 5
Colour temperature and brightness.The light that LED light source 2 issues is radiated on sample 8 after collecting lens 3.
Specific embodiment according to the present invention, LED light source 2 are compact multi color temperature LED light sources, are sealed in single LED
The LED chip of at least two colour temperatures has been filled, preferably there is symmetrical or equally distributed, the LED light as shown in Fig. 2-1,2-2
Source structure, cool colour temperature LED chip 11 and warm colour temperature LED chip 12 is symmetrical or cool colour temperature LED chip 11 and warm colour temperature LED
The interval of chip 12 is uniformly distributed, it is ensured that is uniformly mixed (such as: the LE CWUW S2W compact light source of Osram company；Add prosperous photoelectricity
The 1309SW08A-2757V36-01H80 compact of TX-3535WA3FC120-OGVCND34-03B or the COB encapsulation of SMD encapsulation
Light source), it can be continuously adjusted within the scope of 2700K-6500K.The LED chip of at least two colour temperatures is packaged into multi color temperature LED can
To realize colour temperature continuously adjusting from low to high, and colour temperature is uniformly mixed, it is ensured that the colour temperature and brightness of microscope specimen face illumination
Consistency, guarantee its good observing effect.
Specific embodiment according to the present invention, LED light source 2 are connect with control circuit 1, control containing colour temperature in control circuit 1
Unit 4 processed, brightness control unit 5, color temperature sensor 6, master control system unit 7.Colour temperature control unit 4, brightness control unit 5,
Color temperature sensor 6 is connect with master control system unit 7 respectively.
User adjusts the colour temperature of LED light source 2 by the adjusting knob of colour temperature control unit 4.Master control system unit 7 receives color
Temperature adjust 4 adjusting knob of unit adjusting information, and to information process analysis after, by LED light source drive module to LED light source
The LED chip of different-colour exports different electric currents in 2, and has certain duty ratio, issues the LED chip of different-colour
The light of varying strength.After mixing, the equal white light of colour temperature needed for LED light source 2 finally issues user.
User adjusts the brightness of LED light source 2 by the adjusting knob of brightness control unit 5.Master control system unit 7 receives bright
The adjusting information of 5 adjusting knob of control unit is spent, after processing analysis, equal proportion increases or reduce LED light source drive module to LED
The LED chip of different-colour exports different electric currents in light source 2, and has certain duty ratio, which is user's use
The duty ratio of the LED chip electric current of different-colour when color temperature adjustment knob 4 adjusts required colour temperature.Increased by equal proportion or is contracted
The electric current of small same duty ratio, user adjust the brightness of LED light source 2 by the adjusting knob of brightness control unit 5.
After user completes to adjust the colour temperature of LED light source 2, in use, if wave occurs for the colour temperature of LED light source 2
It is dynamic, the color temperature sensor 6(of 2 colour temperature of real-time monitoring LED light source such as: the TCS3400 color sensor of AMS company) by the letter of fluctuation
Breath feeds back to master control system unit 7, and master control system unit 7 will be according to feedback information real-time control LED light source drive module to defeated
Electric current is adjusted out, it is ensured that it is remained unchanged by the size and duty ratio of the electric current of the LED chip of the various colour temperatures of LED light source 2,
Ensure the stabilization of 2 colour temperature of LED light source of user setting.
Specific embodiment according to the present invention, the light that preferred LED light source 2 issues are radiated at mark after collecting lens 3
In sheet 8.Wherein, as shown in figure 3, in collecting lens 3 contain frosting 31 or cloudy surface 31, make LED light source 2 issue light further into
The even light of row, it is ensured that the colour temperature for the light being radiated on sample 8 and having good uniformity for brightness.
A kind of microscope illumination system of adjustable color provided by the invention is described in detail above.It may be implemented
The adjusting of microscope illumination light source color temperature, improves observation efficiency, meets wanting for different environment or observation object control light colour temperature
It asks, obtains preferable observing effect.The explanation of specific embodiment is merely used to help understand method and its core of the invention and thinks
Think.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, may be used also
With several improvements and modifications are made to the present invention, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (9)
1. a kind of microscope illumination system of adjustable color, comprising: LED light source, control circuit, man-machine interface, the LED light
Source is spatially symmetrical or is uniformly distributed, and control circuit can control the colour temperature and brightness of LED light source simultaneously；Its feature exists
In: the control circuit is connect with man-machine interface and LED light source respectively, and the control circuit is by color temperature adjustment unit, bright
Degree adjusts unit, master control system unit, color temperature sensor composition；The master control system unit include signal processing module and
LED light source drive module；The master control system unit controls the LED of different-colour by the LED light source drive module
The brightness of chip adjusts microscope illumination colour temperature, brightness.
2. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the LED light source is
Paster type encapsulation (SMD) or plate above formula encapsulation (COB).
3. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the LED light source exists
The LED chip of at least two colour temperatures is encapsulated in single LED.
4. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the master control system list
Member receives the adjusting information of color temperature adjustment unit, passes through the electricity of the LED light source drive module output multi-channel different duty
Stream controls the brightness of the LED chip of different-colour, realizes the adjusting of microscope illumination light source color temperature.
5. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the master control system list
Member receives the adjusting information of brightness adjusting unit, and by the LED light source drive module, equal proportion increases or reduces same account for
The output electric current of empty ratio controls the brightness of the LED chip of different-colour, realizes the adjusting of microscope illumination light-source brightness.
6. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the color temperature adjustment list
Member and brightness adjusting unit, independent control colour temperature and brightness.
7. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the color temperature sensor
The real-time color temperature information of LED is fed back into control circuit as feedback unit for color sensor.
8. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the LED light source warp
Collecting lens is radiated on sample face after assembling, and carries out even light to LED light source；Frosting or cloudy surface are had in the collecting lens.
9. the microscope illumination system of adjustable color according to claim 1, it is characterised in that: the LED light source
Colour temperature continuously adjusts within the scope of 2700K-6500K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605891.6A CN110161670A (en) | 2019-07-05 | 2019-07-05 | A kind of microscope illumination system of adjustable color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605891.6A CN110161670A (en) | 2019-07-05 | 2019-07-05 | A kind of microscope illumination system of adjustable color |
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| Publication Number | Publication Date |
|---|---|
| CN110161670A true CN110161670A (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910605891.6A Pending CN110161670A (en) | 2019-07-05 | 2019-07-05 | A kind of microscope illumination system of adjustable color |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110879461A (en) * | 2019-12-12 | 2020-03-13 | 托托科技(苏州)有限公司 | Incident angle controllable light beam control method suitable for microscope light source |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630877Y (en) * | 2003-06-27 | 2004-08-04 | 麦克奥迪实业集团有限公司 | Multicolour LED microscope light source device |
| CN101384114A (en) * | 2007-09-07 | 2009-03-11 | 比亚迪股份有限公司 | Light source control system and light source box |
| CN101761789A (en) * | 2007-08-22 | 2010-06-30 | 重庆邦桥科技有限公司 | Color temperature adjustable integrated high power LED medical lighting system |
| CN102858056A (en) * | 2012-07-23 | 2013-01-02 | 宁波凯耀电器制造有限公司 | Brightness and color temperature controlling system for LED (light-emitting diode) lamp |
| CN107505697A (en) * | 2017-08-31 | 2017-12-22 | 宁波舜宇仪器有限公司 | Microscope illumination system |
| CN209858839U (en) * | 2019-07-05 | 2019-12-27 | 麦克奥迪实业集团有限公司 | Microscope lighting device with adjustable color temperature |
-
2019
- 2019-07-05 CN CN201910605891.6A patent/CN110161670A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630877Y (en) * | 2003-06-27 | 2004-08-04 | 麦克奥迪实业集团有限公司 | Multicolour LED microscope light source device |
| CN101761789A (en) * | 2007-08-22 | 2010-06-30 | 重庆邦桥科技有限公司 | Color temperature adjustable integrated high power LED medical lighting system |
| CN101384114A (en) * | 2007-09-07 | 2009-03-11 | 比亚迪股份有限公司 | Light source control system and light source box |
| CN102858056A (en) * | 2012-07-23 | 2013-01-02 | 宁波凯耀电器制造有限公司 | Brightness and color temperature controlling system for LED (light-emitting diode) lamp |
| CN107505697A (en) * | 2017-08-31 | 2017-12-22 | 宁波舜宇仪器有限公司 | Microscope illumination system |
| CN209858839U (en) * | 2019-07-05 | 2019-12-27 | 麦克奥迪实业集团有限公司 | Microscope lighting device with adjustable color temperature |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110879461A (en) * | 2019-12-12 | 2020-03-13 | 托托科技(苏州)有限公司 | Incident angle controllable light beam control method suitable for microscope light source |
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