CN102768402A - Microscope with adjustable illuminating color temperature and brightness - Google Patents
Microscope with adjustable illuminating color temperature and brightness Download PDFInfo
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- CN102768402A CN102768402A CN2012102357724A CN201210235772A CN102768402A CN 102768402 A CN102768402 A CN 102768402A CN 2012102357724 A CN2012102357724 A CN 2012102357724A CN 201210235772 A CN201210235772 A CN 201210235772A CN 102768402 A CN102768402 A CN 102768402A
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Abstract
The invention provides a microscope with adjustable illuminating color temperature and brightness. The microscope is characterized in that a condenser component and an illuminating and dimming device are arranged on a mirror bracket component of the microscope, wherein the illuminating and dimming device comprises a light-emitting diode (LED) module, an illumination adjusting panel, an illumination control circuit board, a power conversion component and a power socket; an illumination control circuit is arranged on the illumination control circuit board; and the condenser component is arranged above the LED module. When the microscope is used, light emitted from the LED module is mixed and provides illumination for an observed specimen through the condenser; and by operating the illumination adjusting panel, the illumination control circuit responds to operation of the illumination adjusting panel, so that current flowing through the LED is controlled, and the brightness or color temperature of the illuminating mixed light is correspondingly adjusted. The color temperature or brightness of the mixed light irradiating the observed specimen can be conveniently adjusted, so that the microscope can adapt to different service environments, different service requirements are met, and a good observation effect is achieved.
Description
Technical field
The present invention relates to microscope, particularly have the microscope of light-source system.
Background technology
Microscope mainly is made up of mechanical hook-up and optical system two large divisions.The mechanical hook-up part mainly is made up of mirror holder, converter, objective table, focus control etc.; Optical system mainly is made up of objective lens, eyepiece etc.Traditional microscope does not have light-source system, adopts attached to the reflective mirror optically focused on the mirror holder mostly.More new-type microscope adopts light-source system usually; Light-source system is installed in the microscopical mirror holder usually; Control the opening and closing of light source through pushbutton switch; And light-source system relative set condenser, the light that condenser penetrates light source pools light cone irradiation sample, strengthens illuminance and observing effect.Through adopting improvement such as light source and condenser, microscopical effectiveness has obtained better performance.But the microscope with light source just adopts non-adjustable light source usually at present, thereby has some limitation or not enough: the one, and brightness of illumination is non-adjustable, can not satisfy different user demands well; The 2nd, the illumination colour temperature can not be adjusted, and the user can not select suitable light source color temperature to obtain the optimal viewing effect through microscope according to the characteristics of sample.
Summary of the invention
The objective of the invention is: overcome the deficiency of prior art, a kind of colour temperature and equal adjustable microscope of brightness that is observed the mixed light on the sample that shine is provided, satisfy the practical application needs.
Technical scheme of the present invention is: the microscope of illumination colour temperature of the present invention and adjustable brightness comprises mirror holder, objective table assembly, eyepiece component, converter, objective lens unit, the adjustment knob assembly of component of frames; The objective table assembly comprises objective table and the condenser that is positioned at the objective table below; Eyepiece component, converter, objective lens unit, objective table and condenser set gradually according to order from top to bottom, and objective lens unit is fixedly installed on the converter, and eyepiece component and converter all are fixedly installed on the mirror holder; The objective table assembly slides up and down and is connected on the mirror holder; The adjustment knob assembly is arranged on the mirror holder, and is positioned at the rear of objective table assembly, and is dynamically connected with the objective table assembly, thus control objective table assembly sliding up and down with respect to mirror holder; Its design feature is:
Also comprise collecting lens assembly and illumination light modulating device; Component of frames also comprises base plate; Mirror holder by base portion and from the top and the cradle portion that is connected on the base portion of rear form; Base portion is the shelly position, and Open Side Down for it, and this downward opening also is the lower port of base portion, and base portion also is provided with first light hole on its housing top; Base plate is fixedly connected on the base portion of mirror holder from the below, and is positioned at the lower port place of the base portion of mirror holder;
Above-mentioned collecting lens assembly comprises collecting lens and mount pad; Collecting lens is fixedly mounted on the mount pad, and mount pad on the base portion of mirror holder, and is positioned at the top of first light hole from upper fixed, and is positioned at the below of the condenser of objective table assembly;
Above-mentioned illumination light modulating device comprises light emitting diode module, illumination adjustments panel, illumination control circuit plate and is located at the illumination control circuit on the illumination control circuit plate; Light emitting diode module is made up of diode mount pad and 2 to 5 light emitting diodes that are arranged on the diode mount pad; Above-mentioned light emitting diode module is fixedly mounted on the base plate of component of frames by its diode mount pad, and be positioned at mirror holder first light hole under; The lens end of each light emitting diode is all upwards towards first light hole; Each light emitting diode is for have the light emitting diode of certain color temperature parameter separately; The illumination control circuit plate is arranged in the inner chamber of base portion of mirror holder, and the illumination control circuit plate is fixed on the illumination adjustments panel or is fixedly mounted on the base, and its corresponding terminals are electrically connected with the respective terminal of illumination adjustments panel; The illumination adjustments panel is fixedly mounted on the base portion of base of mirror holder, and the front of illumination adjustments panel is to exposing outside;
Thereby illumination control circuit is a kind of operation that responds the illumination adjustments panel and the size of current passed through on the corresponding light emitting diode to light emitting diode module is implemented synchronously or the circuit of the corresponding change lumination of light emitting diode of adjustment brightness respectively, thereby makes in use and shine the brightness that is observed the mixed light on the sample that is arranged on the objective table or/and colour temperature is adjusted accordingly.
Further scheme is: above-mentioned component of frames also comprises bonnet; The base portion of mirror holder is made up of base, microscope base and fixed mount; Base is the tabular housing of hollow, and its lower port is opened wide, and this lower port is the lower port of base portion; The right plate of base is provided with regulates the panel mounting hole, and the illumination adjustments panel is positioned at this adjusting panel mounting hole place; The epipleural of base is provided with the microscope base installing port that is used to install microscope base; Microscope base is tabular housing, and its front portion is provided with the through hole as the upward and downward of first light hole of the base portion of mirror holder; Microscope base is connected on the microscope base installing port of base from the top, and the inner chamber of microscope base communicates with the inner chamber of base; Fixed mount is connected on the support from the place ahead, and fixed mount is also linked to each other with the upside rear end of microscope base by its lower end, front side;
The cradle portion of mirror holder is made up of support, right feet and left feet; Support integral body is bending, and the bottom of support is the sheet frame position of hollow, and its right plate and left plate be provided with the adjustment knob mounting hole of coaxial cable, and its back side panel is provided with the power supply module mounting hole; The middle and upper part of support is circular-arc plate body, and its termination, top towards the place ahead is provided with eyepiece component installation portion, converter installation portion and as the through hole of the upward and downward of second light hole of mirror holder; The eyepiece component installation position is in the top of termination, above-mentioned top, and around the second light hole setting; The converter installation position is in the bottom of termination, above-mentioned top, and around the second light hole setting; Support is connected on the right plate of base from the top by its right plate, and the right plate of the right plate of support and base is the common same plate body that form; Support is connected on the left plate of base from the top by its left plate, and same plate body of both also common formation; Right feet is positioned at the rear portion, right side of support, and left feet is positioned at the rear portion, left side of support; Right feet is connected from right-hand rear side on the right plate of support on the right plate with base, and from the right-hand back side panel that is connected support; Left side feet is connected from the left rear side on the left plate of support on the left plate with base, and is connected on the back side panel of support from left;
The bonnet of above-mentioned component of frames is provided with the supply socket mounting hole, and bonnet is fixedly connected on the back side panel of support from the rear, and is positioned at the power supply module mounting hole place that is arranged on the back side panel; Base plate is fixedly mounted on the lower end of base of mirror holder;
Above-mentioned objective table assembly also comprises erecting frame; Objective table is provided with light hole; Erecting frame is connected on the fixed mount of mirror holder from the place ahead, and erecting frame slides up and down with fixed mount and is connected; Objective table is connected on the top of erecting frame from upper fixed; Condenser is arranged on the clamper that is positioned at the bottom of erecting frame, and be positioned at objective table light hole under;
The eyepiece of above-mentioned eyepiece component is a binocular; Eyepiece component is fixedly mounted on the eyepiece component installation portion of support of mirror holder, and is positioned at the top of second light hole of mirror holder; Above-mentioned converter is fixedly mounted on the converter installation portion of support of mirror holder; Objective lens unit comprises several object lens, and each object lens all are fixedly mounted on the converter, and all stretches out the below of converter;
Above-mentioned adjustment knob assembly comprises machine driven system and 2 adjustment knobs of coaxial adjusting knob; The machine driven system of coaxial adjusting knob is installed on the fixed mount of mirror holder, and its output gear is meshed with tooth bar on being fixed on objective table; Insert the corresponding adjustment knob mounting hole of mirror holder about 2 adjustment knobs divide and be fixedly connected with the corresponding operating rod of the machine driven system of coaxial adjusting knob;
The illumination light modulating device also comprises Power Transfer Unit and supply socket; Power Transfer Unit is fixedly mounted on the bonnet of mirror holder from the place ahead; Supply socket is fixedly mounted on the bonnet from the rear, and is positioned at the supply socket mounting hole place of bonnet.
Further scheme is: the number of the light emitting diode of the light emitting diode module of above-mentioned illumination light modulating device is 2, and the colour temperature of 1 light emitting diode wherein is 2700K, and the colour temperature of 1 light emitting diode is 6000K in addition.
Further scheme is: above-mentioned supply socket has live wire end, zero line side and earth terminal; Above-mentioned Power Transfer Unit has live wire input end, zero line input end, earth terminal and dc power output end; Power Transfer Unit comprises wave filter U1, AD/DC power supply changeover device U2, voltage dependent resistor (VDR) R1, voltage dependent resistor (VDR) R2, voltage dependent resistor (VDR) R3, Transient Voltage Suppressor D1, gas-discharge tube GDT1, electrochemical capacitor C1 and capacitor C 2; The wave filter U1 of Power Transfer Unit has live wire input end, zero line input end, earth terminal, live wire output terminal and zero line output terminal; AD/DC power supply changeover device U2 has live wire input end, zero line input end, earth terminal, dc power output end positive pole and dc power output end negative pole; The end conllinear of the live wire input end of wave filter U1, the end of voltage dependent resistor (VDR) R1 and voltage dependent resistor (VDR) R3 and form a common junction, this common junction is the live wire input end of above-mentioned Power Transfer Unit, and it is electrically connected with the live wire end of supply socket; The end conllinear of the zero line input end of wave filter U1, the other end of voltage dependent resistor (VDR) R1 and voltage dependent resistor (VDR) R2 and form a common junction, this common junction is the zero line input end of above-mentioned Power Transfer Unit, and it is electrically connected with the zero line side of supply socket; The anodal conllinear of the other end of voltage dependent resistor (VDR) R2, the other end of voltage dependent resistor (VDR) R3 and gas-discharge tube GDT1; The live wire output terminal of wave filter U1 is electrically connected with the live wire input end of AD/DC power supply changeover device U2; The zero line output terminal of wave filter U1 is electrically connected with the zero line input end of AD/DC power supply changeover device U2; The earth terminal of the earth terminal of wave filter U1, AD/DC power supply changeover device U2 and the negative pole conllinear of gas-discharge tube GDT1 and form a common junction; This common junction is the earth terminal of above-mentioned Power Transfer Unit, and it is electrically connected with the earth terminal of supply socket and common ground; The positive pole of anodal negative pole, the electrochemical capacitor C1 with Transient Voltage Suppressor D1 of the dc power output end of AD/DC power supply changeover device U2, an end conllinear of capacitor C 2 and form a common junction, this common junction is the dc power output end of above-mentioned Power Transfer Unit; The negative pole of the dc power output end negative pole of AD/DC power supply changeover device U2 and the positive pole of Transient Voltage Suppressor D1, electrochemical capacitor C1 and the other end conllinear of capacitor C 2 and as power supply ground.
Further scheme is: the illumination adjustments panel of above-mentioned illumination light modulating device is provided with power switch ON/OFF, circulating light modulation selector button SELECT, luminance brightness and transfers big button UP, luminance brightness to turn button DOWN, first down to select pilot lamp D2 and second to select pilot lamp D3; Above-mentioned power switch ON/OFF has dc supply input and dc power output end, and the dc supply input of power switch ON/OFF is electrically connected with the dc power output end of above-mentioned Power Transfer Unit; Illumination control circuit on the illumination control circuit plate of above-mentioned illumination light modulating device comprises single-chip microcomputer U3, D/A converter U4, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11 and resistance R 28;
The I/O of single-chip microcomputer U3 end is connected through the negative electricity of the second selection pilot lamp D3 on resistance R 5 and the illumination adjustments panel; The 2nd I/O of single-chip microcomputer U3 end is connected through the negative electricity of the first selection pilot lamp D2 on resistance R 4 and the illumination adjustments panel; First selects the positive pole and second of pilot lamp D2 to select the anodal of pilot lamp D3 all to be electrically connected with the dc power output end of power switch ON/OFF; The 6th I/O end of single-chip microcomputer U3 forms a common junction with an end conllinear of resistance R 10, and this common junction is electrically connected with the end of the circulating light modulation selector button SELECT of illumination adjustments panel; The 7th I/O end of single-chip microcomputer U3 forms a common junction with an end conllinear of resistance R 9, and this common junction transfers the end of big button UP to be electrically connected with the luminance brightness of illumination adjustments panel; The 8th I/O end of single-chip microcomputer U3 forms a common junction with an end conllinear of resistance R 8, and this common junction is electrically connected with the end that the luminance brightness of illumination adjustments panel is turned button DOWN down; The other end of resistance R 10, resistance R 9 and resistance R 8 all is electrically connected with the dc power output end of power switch ON/OFF; The other end, the luminance brightness of circulating light modulation selector button SELECT transfers the other end of big button UP and the other end that luminance brightness is turned button DOWN down all to connect power supply ground;
The 28 I/O end of single-chip microcomputer U3, the serial data input end of D/A converter U4 and an end conllinear of resistance R 6; The 27 I/O end of single-chip microcomputer U3, the serial clock input end of D/A converter U4 and an end conllinear of resistance R 7; The vdd terminal of the other end of the other end of resistance R 6, resistance R 7, D/A converter U4 and REF end all are electrically connected with the dc power output end of power switch ON/OFF; ADD end and the GND end of D/A converter U4 all connect power supply ground; First output terminal of D/A converter U4 is connected with the positive electrical of light emitting diode D13 through resistance R 11; Second output terminal of D/A converter U4 is connected with the positive electrical of light emitting diode D4 through resistance R 28; The negative pole of light emitting diode D13 and light emitting diode D4 all connects power supply ground.
Further scheme also has: the number of the light emitting diode 81-1 of the light emitting diode module 81 of above-mentioned illumination light modulating device 8 is 3, and the colour temperature of 3 light emitting diode 81-1 is respectively 2700K, 2700K and 6000K.
The present invention has positive effect:
(1) the present invention can adjust easily and shine the colour temperature that is observed the mixed light on the sample through the illumination light modulating device is set, and satisfies microscopical multiple user demand.
(2) the present invention is through being provided with the illumination light modulating device; Can adjust the brightness of the light that each different light emitting diodes send easily; Thereby make that shining the brightness and the colour temperature that are observed the mixed light on the sample obtains adjustment, makes microscope can adapt to different environments for use, performance optimal viewing effect.
(3) user is when adjustment illumination colour temperature or brightness, and the corresponding button that only needs illumination to regulate panel carries out corresponding touch operation and gets final product, and makes to the adjustment of this microscopical colour temperature or brightness directly perceived and convenient.
Description of drawings
Fig. 1 is microscopical a kind of structural representation of the present invention;
Fig. 2 is the perspective exploded view of Fig. 1;
Fig. 3 is the structural representation of the collecting lens assembly among Fig. 2;
Fig. 4 is the structural representation of the light emitting diode module among Fig. 2;
Fig. 5 is the structural representation of the illumination adjustments panel among Fig. 2;
Fig. 6 is the electrical schematic diagram of the Power Transfer Unit of the illumination light modulating device among Fig. 2, the electrical connection of the power switch on also drawn among the figure Power Transfer Unit and supply socket and the illumination adjustments panel;
Fig. 7 is a kind of electrical schematic diagram that is arranged on the illumination control circuit on the illumination control circuit plate of the illumination light modulating device among Fig. 1, has also demonstrated 2 light emitting diodes and the associated button on the illumination adjustments panel in itself and the light emitting diode module among the figure and has selected the electrical connection of pilot lamp;
Fig. 8 is the similar alternative arrangements synoptic diagram of the light emitting diode module among Fig. 1;
Fig. 9 is the another kind of structural representation of the illumination adjustments panel among Fig. 1;
Figure 10 is the another kind of electrical schematic diagram that is arranged on the illumination control circuit on the illumination control circuit plate of the illumination light modulating device among Fig. 1, has also demonstrated 3 light emitting diodes and the associated button on the illumination adjustments panel and the electrical connection of pilot lamp in itself and the light emitting diode module among the figure.
Reference numeral in the above-mentioned accompanying drawing is following:
Component of frames 1,
Mirror holder 11, base 11a, microscope base 11b, fixed mount 11c, support 11d, right feet 11e regulates panel mounting hole 11-1, the first light hole 11-2, adjustment knob mounting hole 11-3, the second light hole 11-4, eyepiece component installation portion 11-5, converter installation portion 11-6,
Collecting lens assembly 2, collecting lens 21, mount pad 22,
Illumination light modulating device 8, light emitting diode module 81, light emitting diode 81-1, mount pad 81-2, illumination adjustments panel 82, Power Transfer Unit 83, supply socket 85, illumination control circuit plate 86, illumination control circuit 86-1.
Embodiment
(embodiment 1)
Present embodiment is carrying out the orientation when describing, and the front and back when describing with the orientation, the left and right sides among Fig. 1 serve as right-hand when describing with the direction of court of Fig. 1 institute, serves as the left when describing with the direction that deviates from Fig. 1, serves as the upper and lower when describing with the above-below direction among Fig. 1.
See Fig. 1, the illumination colour temperature of present embodiment and the microscope of adjustable brightness are made up of component of frames 1, collecting lens assembly 2, objective table assembly 3, eyepiece component 4, converter 5, objective lens unit 6, adjustment knob assembly 7 and illumination light modulating device 8.
See Fig. 2, component of frames 1 is used to support each assembly of microscope.Component of frames 1 is made up of mirror holder 11, bonnet 12 and base plate 13.
Mirror holder 11 is the aluminium alloy integral piece, by base portion and from the top and the cradle portion that is connected on the base portion of rear form.Base portion is the shelly position, and Open Side Down for it, and this downward opening also is the lower port of base portion.Base portion is made up of base 11a, microscope base 11b and fixed mount 11c.Cradle portion is made up of support 11d, right feet 11e and left feet.
Base 11a is the tabular housing of hollow, and its lower port is opened wide, and this lower port also is the lower port of base portion.The right plate of base 11a is provided with square adjusting panel mounting hole 11-1, and the postmedian of its epipleural is provided with the microscope base installing port that is used to install microscope base 11b.Microscope base 11b is tabular housing, and its front portion is provided with the through hole as the upward and downward of the first light hole 11-2 of mirror holder 11; Microscope base 11b is connected on the microscope base installing port of base 11a from the top, and the inner chamber of microscope base 11b communicates with the inner chamber of base 11a.Support 11d integral body is bending, and the bottom of support 11d is the sheet frame position of hollow, and its right plate and left plate be provided with the adjustment knob mounting hole 11-3 of coaxial cable, and its back side panel is provided with the power supply module mounting hole; The middle and upper part of support 11d is circular-arc plate body, and its termination, top is provided with eyepiece component installation portion 11-5, converter installation portion 11-6 and as the through hole of the upward and downward of the second light hole 11-4 of mirror holder 11; Eyepiece component installation portion 11-5 is positioned at the top of termination, said top, and is provided with around the second light hole 11-4; Converter installation portion 11-6 is positioned at the bottom of termination, said top, and is provided with around the second light hole 11-4.Support 11d is connected on the right plate of base 11a from the top by its right plate, and same plate body of the common formation of the right plate of the right plate of support 11d and base 11a; Support 11d is connected on the left plate of base 11a from the top by its left plate, and same plate body of both also common formation.Right feet 11e is positioned at the rear portion, right side of support 11d, and left feet is positioned at the rear portion, left side of support 11d.Right feet 11e is connected from right-hand rear side on the right plate of support 11d on the right plate with base 11a, and from the right-hand back side panel that is connected support 11d.Left side feet is connected from the left rear side on the left plate of support 11d on the left plate with base 11a, and is connected on the back side panel of support 11d from left.Fixed mount 11c is connected on the support 11d from the place ahead, and fixed mount 11c is also linked to each other with the upside rear end of microscope base 11b by its lower end, front side.
The eyepiece of eyepiece component 4 is a binocular.Eyepiece component 4 is fixedly mounted on the eyepiece component installation portion 11-5 of support 11d of mirror holder 11, and is positioned at the top of light hole 11-4.
Objective lens unit 6 comprises 3～5 object lens 61, preferred 4 object lens 61 of present embodiment.Each object lens 61 all are fixedly mounted on the converter 5, and all stretch out the below of converter 5, and used corresponding object lens 61 constitute an optical amplification system with aforesaid eyepiece component 4 during use.
Adjustment knob assembly 7 comprises machine driven system and 2 the adjustment knobs 71 of coaxial adjusting knob, and the machine driven system of coaxial adjusting knob is installed on the fixed mount 11c of mirror holder 11, and its output gear is meshed with tooth bar on being fixed on objective table 32.2 right left sides of adjustment knob 71 minutes are inserted the corresponding adjustment knob mounting hole 11-3 of mirror holder 11 and are fixedly connected with the corresponding operating rod of the machine driven system of coaxial adjusting knob, can make objective table 32 fixed mount 11c slip with respect to mirror holder 11 on above-below direction through turning adjustment knob 71.
Referring to Fig. 3; Collecting lens assembly 2 is made up of collecting lens 21 and mount pad 22, and collecting lens 21 is fixedly mounted on the mount pad 22, and mount pad 22 is fixedly mounted on the microscope base 11b of mirror holder 11; And be positioned at the top of the first light hole 11-2, thereby collecting lens assembly 2 is fixedly mounted on the mirror holder 11.The primary optical axis of the collecting lens 21 of collecting lens assembly 2 and the primary optical axis of aforesaid condenser 33 are positioned on the same straight line of upward and downward.
Illumination light modulating device 8 is made up of light emitting diode module 81, illumination adjustments panel 82, Power Transfer Unit 83, supply socket 85, illumination control circuit plate 86 and the illumination control circuit 86-1 that is located on the illumination control circuit plate 86.
The light emitting diode module 81 of illumination light modulating device 8 is fixedly mounted on the base plate 13 of component of frames 1; Power Transfer Unit 83 is fixedly mounted on the bonnet 12 of mirror holder 11 from the place ahead; Supply socket 85 is fixed on the bonnet 12 from the rear, and is positioned at the supply socket mounting hole 12-1 place of bonnet 12; Illumination control circuit plate 86 is arranged in the inner chamber of base 11a of mirror holder 11; And illumination control circuit plate 86 is fixed on the illumination adjustments panel 82 and (can illumination control circuit plate 86 be fixed on the base 11a through securing member and the corresponding installation position that is arranged on the base 11a inwall in other embodiments), and its corresponding terminals are electrically connected with the respective terminal of illumination adjustments panel 82; Illumination adjustments panel 82 is fixedly mounted on the right plate of base 11a of mirror holder 11, and is positioned at the adjusting panel mounting hole 11-1 place of mirror holder 11.
Referring to Fig. 4, the light emitting diode module 81 of illumination light modulating device 8 comprises mount pad 81-2 and 2～5 light emitting diode 81-1 that colour temperature is different.The number of light emitting diode 81-1 is decided according to the actual requirements, in the present embodiment, and preferred 2 of the number of light emitting diode 81-1.The colour temperature of two light emitting diode 81-1 is respectively 2700K (Kelvin) and 6000K.Each light emitting diode 81-1 all is fixedly mounted on the mount pad 81-2.Light emitting diode module 81 is fixedly mounted on the base plate 13 by its mount pad 81-2, and be positioned at mirror holder 11 the first light hole 11-2 under.Each light emitting diode 81-1 all makes progress towards the first light hole 11-2, also promptly to install towards the mode of collecting lens assembly 2 with the lens end.
Referring to Fig. 5, the illumination adjustments panel 82 of illumination light modulating device 8 is provided with 4 touch-buttons and 2 selection pilot lamp.4 touch-buttons are respectively that power switch ON/OFF, circulating light modulation selector button SELECT, luminance brightness transfer big button UP and luminance brightness to turn button DOWN down.Power switch ON/OFF has dc supply input and dc power output end.2 are selected one of pilot lamp is the first selection pilot lamp that illumination adjustments panel 82 subscripts are designated as 2700K; Another is the second selection pilot lamp that illumination adjustments panel 82 subscripts are designated as 6000K; First when selecting pilot lamp to light, and shows that to choose colour temperature be the light emitting diode 81-1 of 2700K and can adjust its brightness.Second when selecting pilot lamp to light, and shows that to choose colour temperature be the light emitting diode 81-1 of 6000K and can adjust its brightness.Select all preferred light emitting diode in the pilot lamp present embodiment for 2.
See Fig. 6, supply socket 85 is labeled as J1 in Fig. 6, have live wire end L (i.e. No. 1 leg), zero line side N (i.e. No. 3 leg) and earth terminal EARTH (i.e. No. 2 leg).Supply socket J1 is used for external 220V electric main.
Still see Fig. 6, Power Transfer Unit 83 is made up of wave filter U1, AD/DC power supply changeover device U2, voltage dependent resistor (VDR) R1, voltage dependent resistor (VDR) R2, voltage dependent resistor (VDR) R3, Transient Voltage Suppressor D1, gas-discharge tube GDT1, electrochemical capacitor C1, capacitor C 2.In the present embodiment, the preferred FLPA31-3A of the model of wave filter U1; The preferred YAS15-5-N of model of AD/DC power supply changeover device U2; The preferred SMCJ5V0A of the model of Transient Voltage Suppressor D1; The all preferred FNR-14K561 of the model of voltage dependent resistor (VDR) R1, voltage dependent resistor (VDR) R2 and voltage dependent resistor (VDR) R3; The preferred SL1411A600A of the model of gas-discharge tube GDT1.
The end of the live wire input end Lin of wave filter U1 end, voltage dependent resistor (VDR) R1 and the end conllinear of voltage dependent resistor (VDR) R3 and form a common junction, this common junction is the live wire input end of Power Transfer Unit 83.The live wire input end of Power Transfer Unit 83 is electrically connected with the live wire end L of supply socket J1; The other end of the zero line input end Nin of wave filter U1 end, voltage dependent resistor (VDR) R1 and the end conllinear of voltage dependent resistor (VDR) R2 and form a common junction; This common junction is the zero line input end of Power Transfer Unit 83, and the zero line input end of Power Transfer Unit 83 is electrically connected with the zero line side N of supply socket J1; The anodal conllinear of the other end of voltage dependent resistor (VDR) R2, the other end of voltage dependent resistor (VDR) R3 and gas-discharge tube GDT1; The live wire output terminal Lout end of wave filter U1 is electrically connected with the live wire input end L end of AD/DC power supply changeover device U2; The zero line output terminal Nout end of wave filter U1 is electrically connected with the zero line input end N end of AD/DC power supply changeover device U2; The earth terminal FG end of the earth terminal G of wave filter U1 end, AD/DC power supply changeover device U2 and the negative pole conllinear of gas-discharge tube GDT1 and form a common junction, this common junction is the earth terminal of Power Transfer Unit 83.The earth terminal of Power Transfer Unit 83 is electrically connected with the earth terminal EARTH of supply socket J1, and connects the earth jointly; One end conllinear of the negative pole of the dc power output end of AD/DC power supply changeover device U2 anodal (No. 8 leg) and Transient Voltage Suppressor D1, the positive pole of electrochemical capacitor C1, capacitor C 2 and form a common junction, this common junction is the dc power output end of Power Transfer Unit 83; The other end conllinear of the positive pole of the dc power output end negative pole of AD/DC power supply changeover device U2 (No. 4 leg) and Transient Voltage Suppressor D1, the negative pole of electrochemical capacitor C1 and capacitor C 2 and as power supply ground.The direct supply VCC of the dc power output end output+5V of Power Transfer Unit 83, for the illumination light modulating device 8 other each assemblies working power is provided; The dc supply input of power switch ON/OFF on the dc power output end of Power Transfer Unit 83 and the aforesaid illumination adjustments panel 82 is electrically connected.
See Fig. 7, the light emitting diode D2 among the figure selects pilot lamp on illumination adjustments panel 82 shown in Figure 5, being labeled as first of 2700K; Light emitting diode D3 among Fig. 7 selects pilot lamp on illumination adjustments panel 82 shown in Figure 5, being labeled as second of 6000K.Light emitting diode D13 shown in Fig. 7 and light emitting diode D4 are 2 light emitting diode 81-1 of light emitting diode module 81, and the colour temperature of light emitting diode D13 is 2700K; The colour temperature of light emitting diode D4 is 6000K.
Still see Fig. 7, the illumination control circuit 86-1 that is arranged on the illumination control circuit plate 86 is made up of attached crystal oscillating circuit and reset circuit, D/A converter U4, resistance R 4 to resistance R 11 and the R28 of single-chip microcomputer U3, single-chip microcomputer U3.The reset circuit of single-chip microcomputer U3 is made up of electrochemical capacitor C3 and resistance R 29; The crystal oscillating circuit of single-chip microcomputer U3 is made up of crystal oscillator Y1, capacitor C 4 and capacitor C 5.In the present embodiment, the preferred STC89C51RC of the model of single-chip microcomputer U3; The preferred MAX5820M of the model of D/A converter U4.D/A converter also is a D/A.
Reset terminal RST end (9 pin), the negative pole of electrochemical capacitor C3 and the end conllinear of resistance R 29 of single-chip microcomputer U3; Another termination power ground of resistance R 29; The positive pole of electrochemical capacitor C3 is electrically connected with the dc power output end of power switch ON/OFF, thereby constitutes the reset circuit of single-chip microcomputer U3.First crystal oscillator end XTAL1 end (19 pin), the end of crystal oscillator Y1 of single-chip microcomputer U3, an end conllinear of capacitor C 5; Second crystal oscillator end XTAL2 end (18 pin), the other end of crystal oscillator Y1 of single-chip microcomputer U3, an end conllinear of capacitor C 4; The other end of the other end of capacitor C 4 and capacitor C 5 all connects power supply ground, thereby constitutes the crystal oscillating circuit of single-chip microcomputer U3.
Still see Fig. 7, the I/O of single-chip microcomputer U3 end (I/O end) P1.0 end (1 pin) also is that the negative electricity of light emitting diode D3 is connected through the resistance R 5 and the second selection pilot lamp; It also is that the negative electricity of light emitting diode D2 is connected that the 2nd I/O of single-chip microcomputer U3 end P1.1 end (2 pin) is selected pilot lamp through resistance R 4 and first, and the positive pole of the positive pole of light emitting diode D2 and light emitting diode D3 is all held with the dc power output end VCC of power switch ON/OFF and is electrically connected.
The end of circulating light modulation selector button SELECT on the one end conllinear of the 6th I/O of single-chip microcomputer U3 end P1.5 end (6 pin) and resistance R 10 and form a common junction, this common junction and illumination adjustments panel 82 is electrically connected; The 7th I/O end P1.6 end (7 pin) of single-chip microcomputer U3 forms a common junction with an end conllinear of resistance R 9, and this common junction transfers the end of big button UP to be electrically connected with the luminance brightness on the illumination adjustments panel 82; The 8th I/O end P1.7 end (8 pin) of single-chip microcomputer U3 forms a common junction with an end conllinear of resistance R 8, and this common junction is electrically connected with the end that the luminance brightness on the illumination adjustments panel 82 is turned button DOWN down; The other end of resistance R 10, resistance R 9 and resistance R 8 all is electrically connected with the dc power output end of power switch ON/OFF; The other end, the luminance brightness of circulating light modulation selector button SELECT transfers the other end of big button UP and the other end that luminance brightness is turned button DOWN down all to connect power supply ground.
The 28 I/O end P2.7 end (28 pin) of single-chip microcomputer U3, the serial data input end SDA end (5 pin) of D/A converter U4 and an end conllinear of resistance R 6; The 27 I/O end P2.6 end (27 pin) of single-chip microcomputer U3, the serial clock input end SCL of D/A converter U4 hold an end conllinear of 4 pin and resistance R 7; The vdd terminal (1 pin) of the power end VCC end (40 pin) of the other end of the other end of resistance R 6, resistance R 7, single-chip microcomputer U3 and EA end (31 pin), D/A converter U4 and REF end (6 pin) all dc power output end with power switch ON/OFF are electrically connected; Vacant I/O end and the GND end (20 pin) of single-chip microcomputer U3 all connects power supply ground; The ADD end (3 pin) of D/A converter U4 and GND end (2 pin) be ground connection all; The first output terminal OUTA of D/A converter U4 end (7 pin) is that the positive electrical of the light emitting diode D13 of 2700K is connected through resistance R 11 and colour temperature; The second output terminal OUTB of D/A converter U4 end (8 pin) is that the positive electrical of the light emitting diode D4 of 6000K is connected through resistance R 28 and colour temperature; The negative pole of light emitting diode D13 and light emitting diode D4 all connects power supply ground.
The course of work and the principle such as following of its adjustment illumination colour temperature of the illumination colour temperature of present embodiment and the microscope of adjustable brightness and brightness:
In supply socket 85, connect the electric main of 220V, 83 of the Power Transfer Units of illumination light modulating device 8 with the 220V electric main convert to stable output+5V direct current VCC.Press the illumination light modulating device 8 illumination adjustments panel 82 on power switch ON/OFF, the illumination light modulating device 8 illumination control circuit plate 86 on illumination control circuit 86-1 get electric in running order.Wherein, two the light emitting diode D4 and the D13 of the light emitting diode module 81 of illumination light modulating device 8 get electric lighting.The light that this moment, two light emitting diode D4 sent with D13 upwards shines through the light hole 32-1 of collecting lens 21, condenser 33 and the objective table 32 of the first light hole 11-2 of mirror holder 11, collecting lens assembly 2 successively and is placed on being observed on the sample on the objective table 32, shines the colour temperature and the brightness that are observed the light on the sample at this moment and fixes.
When the needs adjustment shines the colour temperature that is observed the light on the sample; Press for the first time the circulating light modulation selector button SELECT on the illumination adjustments panel 82 of illumination light modulating device 8; First selects pilot lamp D2 to light, and can carry out the brightness adjustment this moment to the light emitting diode D13 of colour temperature 2700K.Press for the second time the circulating light modulation selector button SELECT on the illumination adjustments panel 82 of illumination light modulating device 8, then second select pilot lamp D3 to light, can carry out the brightness adjustment this moment the light emitting diode D4 of colour temperature 6000K.Behind a selected light emitting diode D13 or the D4; Transfer big button UP or luminance brightness to turn button DOWN down by the one or many luminance brightness; After then single-chip microcomputer U3 obtains corresponding signal; Send corresponding instruction according to built-in control program to D/A converter U4; D/A converter U4 changes the size of corresponding output end (7 pin or 8 pin) output voltage according to this instruction, thus size of current or the corresponding change of corresponding change through light emitting diode D4 through the size of current of light emitting diode D13, the brightness of this controlled light emitting diode thereby obtain changing; Because the brightness of another light emitting diode remains unchanged, thereby the colour temperature that makes directive be observed the mixed light of sample obtains changing.After circulating light modulation selector button SELECT key is pressed; Each is selected pilot lamp to light or extinguishes the built-in programmed control by single-chip microcomputer U3; Be Cyclic Selection; When promptly pressing for the first time circulating light modulation selector button SELECT key, first selects pilot lamp to light, and can transfer big button UP or luminance brightness to turn button DOWN down and the light emitting diode D13 of colour temperature 2700K is carried out the brightness adjustment this moment through touching luminance brightness; When pressing for the second time circulating light modulation selector button SELECT key; Second selects pilot lamp to light; First selects pilot lamp to extinguish, and can transfer big button UP or luminance brightness to turn button DOWN down and the light emitting diode D4 of colour temperature 6000K is carried out the brightness adjustment this moment through touching luminance brightness; When pressing for the third time, first selects pilot lamp to light, and second selects pilot lamp to extinguish, and then can carry out the brightness adjustment again to the light emitting diode D13 of colour temperature 2700K; So circulation, and can different light emitting diodes be adjusted accordingly, thereby make that shining the colour temperature that is observed the mixed light on the sample meets the requirements.
If when only needing adjustment brightness; Then as stated above; After the brightness of a light emitting diode of adjustment, adjust the brightness of another light emitting diode in proportion, change thereby shine the brightness that is observed the mixed light on the sample; Meet the requirements until it, but the colour temperature of mixed light remains unchanged.
(embodiment 2)
See Fig. 8, Fig. 9 and Figure 10; The present embodiment remainder is identical with embodiment 1; Difference is: the number of the light emitting diode 81-1 of the light emitting diode module 81 of aforesaid illumination light modulating device 8 is 3, has increased a light emitting diode D23 that colour temperature is 2700K; Simultaneously, one the 3rd pilot lamp of corresponding increase is light emitting diode D15 on the illumination adjustments panel 82 of illumination light modulating device 8, the corresponding 2700K-2 that is labeled as on the illumination adjustments panel 82; Among the illumination control circuit 86-1 on the illumination control circuit plate 86 of illumination light modulating device 8; Increased and the supporting resistance R 35 of the 3rd selection pilot lamp (being light emitting diode D15); Also increase by second a D/A converter U5 with D/A converter U4 same model, and be connected the corresponding resistance R 38 between the positive pole of the first output terminal OUTA end (7 pin) of the second D/A converter U5 and the light emitting diode D23 that colour temperature is 2700K; The second output terminal OUTB of second D/A converter U5 end (8 pin) is unsettled, the method that connects of all the other pins of the second D/A converter U5 and the respective pin of D/A converter U4 to connect method identical.The 3rd I/O end P1.2 end (3 pin) of single-chip microcomputer U3 selects the negative pole of pilot lamp (being light emitting diode D15) to link to each other through resistance R 35 and the 3rd; Light emitting diode D15 is anodal to hold (3 pin) to be electrically connected with the dc power output end VCC of power switch ON/OFF, among the method that connects of all the other pins of single-chip microcomputer U3 and the embodiment 1 respective pin of single-chip microcomputer U3 to connect method identical.
At this moment, after the circulating light modulation selector button SELECT key on the illumination adjustments panel 82 was pressed, each selection pilot lamp was lighted or is extinguished by the control of single-chip microcomputer plug-in, presses the SELECT key for the first time, and first selects pilot lamp bright; Press for the second time the SELECT key, second selects pilot lamp bright; Press the SELECT key for the third time, the 3rd selects pilot lamp bright; So circulation.When different selection pilot lamp is lighted; Transfer big button UP or luminance brightness to turn button DOWN down and the luminance brightness of the light emitting diode of corresponding colour temperature is adjusted through touching luminance brightness, thereby reach shining the brightness of observing the mixing light on the sample and the purpose that colour temperature is adjusted.
Certainly, the colour temperature of the illuminating light emitting diode that increases in the present embodiment is not limited to 2700K, also can be that colour temperature is the light emitting diode of 6000K etc.
Show and be prone to see; When more light emitting diode 81-1 need to be installed in the light emitting diode module 81, as long as according to corresponding expansion of mode of present embodiment, simultaneously; The colour temperature of light emitting diode 81-1 is not limited to 2700K or 6000K, selects for use the light emitting diode 81-1 of other colour temperatures also can.
Above embodiment is the explanation of specific embodiments of the invention; But not limitation of the present invention; The technician in relevant technologies field is under the situation that does not break away from the spirit and scope of the present invention; Can also make various conversion and variation and obtain the corresponding technical scheme that is equal to, so all technical schemes that are equal to all should be included into scope of patent protection of the present invention.
Claims (6)
1. microscope of colour temperature and adjustable brightness that throws light on comprises mirror holder (11), objective table assembly (3), eyepiece component (4), converter (5), objective lens unit (6), the adjustment knob assembly (7) of component of frames (1); Objective table assembly (3) comprises objective table (32) and is positioned at the condenser (33) of objective table (32) below; Eyepiece component (4), converter (5), objective lens unit (6), objective table (32) and condenser (33) set gradually according to order from top to bottom; And objective lens unit (6) is fixedly installed on the converter (5), and eyepiece component (4) and converter (5) all are fixedly installed on the mirror holder (11); Objective table assembly (3) slides up and down and is connected on the mirror holder (11); Adjustment knob assembly (7) is arranged on the mirror holder (11), and is positioned at the rear of objective table assembly (3), and is dynamically connected with objective table assembly (3), thus control objective table assembly (3) sliding up and down with respect to mirror holder (11); It is characterized in that:
Also comprise collecting lens assembly (2) and illumination light modulating device (8); Component of frames (1) also comprises base plate (13); Mirror holder (11) by base portion and from the top and the cradle portion that is connected on the base portion of rear form; Base portion is the shelly position, and Open Side Down for it, and this downward opening also is the lower port of base portion, and base portion also is provided with first light hole (11-2) on its housing top; Base plate (13) is fixedly connected on the base portion of mirror holder (11) from the below, and is positioned at the lower port place of the base portion of mirror holder (11);
Described collecting lens assembly (2) comprises collecting lens (21) and mount pad (22); Collecting lens (21) is fixedly mounted on the mount pad (22), and mount pad (22) on the base portion of mirror holder (11), and is positioned at the top of first light hole (11-2) from upper fixed, and is positioned at the below of the condenser (33) of objective table assembly (3);
Described illumination light modulating device (8) comprises light emitting diode module (81), illumination adjustments panel (82), illumination control circuit plate (86) and is located at the illumination control circuit (86-1) on the illumination control circuit plate (86); Light emitting diode module (81) is made up of diode mount pad (81-2) and 2 to 5 light emitting diodes (81-1) of being arranged on the diode mount pad (81-2); Described light emitting diode module (81) is fixedly mounted on the base plate (13) of component of frames (1) by its diode mount pad (81-2), and be positioned at mirror holder (11) first light hole (11-2) under; The lens end of each light emitting diode (81-1) is all upwards towards first light hole (11-2); Each light emitting diode (81-1) is for have the light emitting diode of certain color temperature parameter separately; Illumination control circuit plate (86) is arranged in the inner chamber of base portion of mirror holder (11); And illumination control circuit plate (86) is fixed on illumination adjustments panel (82) and goes up or be fixedly mounted on the base (11a), and its corresponding terminals are electrically connected with the respective terminal of illumination adjustments panel (82); Illumination adjustments panel (82) is fixedly mounted on the base portion of base (11a) of mirror holder (11), and the front of illumination adjustments panel (82) is to exposing outside;
Illumination control circuit (86-1) be a kind of response illumination adjustments panel (82) operation and to the corresponding light emitting diode (81-1) of light emitting diode module (81) thus on the size of current passed through implement synchronously or the circuit of adjustment corresponding change light emitting diode (81-1) luminosity respectively, thereby make in use and shine the brightness that is observed the mixed light on the sample that is arranged on the objective table (32) or/and colour temperature is adjusted accordingly.
2. the microscope of illumination colour temperature according to claim 1 and adjustable brightness is characterized in that: described component of frames (1) also comprises bonnet (12); The base portion of mirror holder (11) is made up of base (11a), microscope base (11b) and fixed mount (11c); Base (11a) is the tabular housing of hollow, and its lower port is opened wide, and this lower port is the lower port of base portion; The right plate of base (11a) is provided with regulates panel mounting hole (11-1), and illumination adjustments panel (82) is positioned at this adjusting panel mounting hole (11-1) and locates; The epipleural of base (11a) is provided with the microscope base installing port that is used to install microscope base (11b); Microscope base (11b) is tabular housing, and its front portion is provided with the through hole as the upward and downward of first light hole (11-2) of the base portion of mirror holder (11); Microscope base (11b) is connected on the microscope base installing port of base (11a) from the top, and the inner chamber of microscope base (11b) communicates with the inner chamber of base (11a); Fixed mount (11c) is connected on the support (11d) from the place ahead, and fixed mount (11c) is also linked to each other by the upside rear end of its lower end, front side with microscope base (11b);
The cradle portion of mirror holder (11) is made up of support (11d), right feet (11e) and left feet; Support (11d) integral body is bending, and the bottom of support (11d) is the sheet frame position of hollow, and its right plate and left plate be provided with the adjustment knob mounting hole (11-3) of coaxial cable, and its back side panel is provided with the power supply module mounting hole; The middle and upper part of support (11d) is circular-arc plate body, and its termination, top towards the place ahead is provided with eyepiece component installation portion (11-5), converter installation portion (11-6) and as the through hole of the upward and downward of second light hole (11-4) of mirror holder (11); Eyepiece component installation portion (11-5) is positioned at the top of termination, said top, and is provided with around second light hole (11-4); Converter installation portion (11-6) is positioned at the bottom of termination, said top, and is provided with around second light hole (11-4); Support (11d) is connected on the right plate of base (11a) from the top by its right plate, and the right plate of the right plate of support (11d) and base (11a) is the common same plate body that form; Support (11d) is connected on the left plate of base (11a) from the top by its left plate, and same plate body of both also common formation; Right feet (11e) is positioned at the rear portion, right side of support (11d), and left feet is positioned at the rear portion, left side of support (11d); Right feet (11e) is connected on the right plate of support (11d) and on the right plate of base (11a) from right-hand rear side, and from the right-hand back side panel that is connected support (11d); Left side feet is connected on the left plate of support (11d) and on the left plate of base (11a) from the left rear side, and is connected on the back side panel of support (11d) from left;
The bonnet (12) of described component of frames (1) is provided with supply socket mounting hole (12-1), and bonnet (12) is fixedly connected on the back side panel of support (11d) from the rear, and is positioned at the power supply module mounting hole place that is arranged on the back side panel; Base plate (13) is fixedly mounted on the lower end of base (11a) of mirror holder (11);
Described objective table assembly (3) also comprises erecting frame (31); Objective table (32) is provided with light hole (32-1); Erecting frame (31) is connected on the fixed mount (11c) of mirror holder (11) from the place ahead, and erecting frame (31) slides up and down with fixed mount (11c) and is connected; Objective table (32) is connected on the top (31-1) of erecting frame (31) from upper fixed; Condenser (33) is arranged on the clamper that is positioned at the bottom (31-2) of erecting frame (31), and be positioned at objective table (32) light hole (32-1) under;
The eyepiece of described eyepiece component (4) is a binocular; Eyepiece component (4) is fixedly mounted on the eyepiece component installation portion (11-5) of support (11d) of mirror holder (11), and is positioned at the top of second light hole (11-4) of mirror holder (11); Described converter (5) is fixedly mounted on the converter installation portion (11-6) of support (11d) of mirror holder (11); Objective lens unit (6) comprises several object lens (61), and each object lens (61) all are fixedly mounted on the converter (5), and all stretches out the below of converter (5);
Described adjustment knob assembly (7) comprises machine driven system and 2 adjustment knobs (71) of coaxial adjusting knob; The machine driven system of coaxial adjusting knob is installed on the fixed mount (11c) of mirror holder (11), and its output gear is meshed with tooth bar on being fixed on objective table (32); Insert the corresponding adjustment knob mounting hole (11-3) of mirror holder (11) about 2 adjustment knobs (71) divide and be fixedly connected with the corresponding operating rod of the machine driven system of coaxial adjusting knob;
Illumination light modulating device (8) also comprises Power Transfer Unit (83) and supply socket (85); Power Transfer Unit (83) is fixedly mounted on the bonnet (12) of mirror holder (11) from the place ahead; Supply socket (85) is fixedly mounted on the bonnet (12) from the rear, and the supply socket mounting hole (12-1) that is positioned at bonnet (12) is located.
3. the microscope of illumination colour temperature according to claim 2 and adjustable brightness; It is characterized in that: the number of the light emitting diode (81-1) of the light emitting diode module (81) of described illumination light modulating device (8) is 2; And the colour temperature of 1 light emitting diode (81-1) wherein is 2700K, and the colour temperature of 1 light emitting diode (81-1) is 6000K in addition.
4. the microscope of illumination colour temperature according to claim 3 and adjustable brightness is characterized in that: described supply socket (85) has live wire end, zero line side and earth terminal; Described Power Transfer Unit (83) has live wire input end, zero line input end, earth terminal and dc power output end; Power Transfer Unit (83) comprises wave filter (U1), AD/DC power supply changeover device (U2), voltage dependent resistor (VDR) (R1), voltage dependent resistor (VDR) (R2), voltage dependent resistor (VDR) (R3), Transient Voltage Suppressor (D1), gas-discharge tube (GDT1), electrochemical capacitor (C1) and electric capacity (C2); The wave filter (U1) of Power Transfer Unit (83) has live wire input end, zero line input end, earth terminal, live wire output terminal and zero line output terminal; AD/DC power supply changeover device (U2) has live wire input end, zero line input end, earth terminal, dc power output end positive pole and dc power output end negative pole; One end conllinear of one end of the live wire input end of wave filter (U1), voltage dependent resistor (VDR) (R1) and voltage dependent resistor (VDR) (R3) and form a common junction; This common junction is the live wire input end of described Power Transfer Unit (83), and its live wire end with supply socket (85) is electrically connected; One end conllinear of the other end of the zero line input end of wave filter (U1), voltage dependent resistor (VDR) (R1) and voltage dependent resistor (VDR) (R2) and form a common junction; This common junction is the zero line input end of described Power Transfer Unit (83), and its zero line side with supply socket (85) is electrically connected; The anodal conllinear of the other end of the other end of voltage dependent resistor (VDR) (R2), voltage dependent resistor (VDR) (R3) and gas-discharge tube (GDT1); The live wire output terminal of wave filter (U1) is electrically connected with the live wire input end of AD/DC power supply changeover device (U2); The zero line output terminal of wave filter (U1) is electrically connected with the zero line input end of AD/DC power supply changeover device (U2); The negative pole conllinear of the earth terminal of the earth terminal of wave filter (U1), AD/DC power supply changeover device (U2) and gas-discharge tube (GDT1) and form a common junction; This common junction is the earth terminal of described Power Transfer Unit (83), and its earth terminal with supply socket (85) is electrically connected and common ground; The positive pole of anodal negative pole, the electrochemical capacitor (C1) with Transient Voltage Suppressor (D1) of the dc power output end of AD/DC power supply changeover device (U2), an end conllinear of electric capacity (C2) and form a common junction, this common junction is the dc power output end of described Power Transfer Unit (83); The other end conllinear of the negative pole of the positive pole of the dc power output end negative pole of AD/DC power supply changeover device (U2) and Transient Voltage Suppressor (D1), electrochemical capacitor (C1) and electric capacity (C2) and as power supply ground.
5. the microscope of illumination colour temperature according to claim 4 and adjustable brightness is characterized in that: the illumination adjustments panel (82) of described illumination light modulating device (8) is provided with power switch (ON/OFF), circulating light modulation selector button (SELECT), luminance brightness and transfers big button (UP), luminance brightness to turn button (DOWN), first down to select the pilot lamp (D2) and the second selection pilot lamp (D3); Described power switch (ON/OFF) has dc supply input and dc power output end, and the dc supply input of power switch (ON/OFF) is electrically connected with the dc power output end of described Power Transfer Unit (83); Illumination control circuit (86-1) on the illumination control circuit plate (86) of described illumination light modulating device (8) comprises single-chip microcomputer (U3), D/A converter (U4), resistance (R4), resistance (R5), resistance (R6), resistance (R7), resistance (R8), resistance (R9), resistance (R10), resistance (R11) and resistance (R28);
The one I/O of single-chip microcomputer (U3) end is connected through the negative electricity of the second selection pilot lamp (D3) on resistance (R5) and the illumination adjustments panel (82); The 2nd I/O of single-chip microcomputer (U3) end is connected through the negative electricity of the first selection pilot lamp (D2) on resistance (R4) and the illumination adjustments panel (82); First selects the positive pole and second of pilot lamp (D2) to select the anodal of pilot lamp (D3) all to be electrically connected with the dc power output end of power switch (ON/OFF); The 6th I/O end of single-chip microcomputer (U3) forms a common junction with an end conllinear of resistance (R10), and this common junction is electrically connected with an end of the circulating light modulation selector button (SELECT) of illumination adjustments panel (82); The 7th I/O end of single-chip microcomputer (U3) forms a common junction with an end conllinear of resistance (R9), and this common junction transfers an end of big button (UP) to be electrically connected with the luminance brightness of illumination adjustments panel (82); The 8th I/O end of single-chip microcomputer (U3) forms a common junction with an end conllinear of resistance (R8), and this common junction is electrically connected with the end that the luminance brightness of illumination adjustments panel (82) is turned button (DOWN) down; The other end of resistance (R10), resistance (R9) and resistance (R8) all is electrically connected with the dc power output end of power switch (ON/OFF); The other end, the luminance brightness of circulating light modulation selector button (SELECT) transfers the other end of big button (UP) and the other end that luminance brightness is turned button (DOWN) down all to connect power supply ground;
The 28 I/O end of single-chip microcomputer (U3), the serial data input end of D/A converter (U4) and an end conllinear of resistance (R6); The 27 I/O end of single-chip microcomputer (U3), the serial clock input end of D/A converter (U4) and an end conllinear of resistance (R7); The vdd terminal of the other end of the other end of resistance (R6), resistance (R7), D/A converter (U4) and REF end all are electrically connected with the dc power output end of power switch (ON/OFF); The ADD end and the GND end of D/A converter (U4) all connect power supply ground; First output terminal of D/A converter (U4) is connected with the positive electrical of light emitting diode (D13) through resistance (R11); Second output terminal of D/A converter (U4) is connected with the positive electrical of light emitting diode (D4) through resistance (R28); The negative pole of light emitting diode (D13) and light emitting diode (D4) all connects power supply ground.
6. the microscope of illumination colour temperature according to claim 2 and adjustable brightness; It is characterized in that: the number of the light emitting diode (81-1) of the light emitting diode module (81) of described illumination light modulating device (8) is 3, and the colour temperature of 3 light emitting diodes (81-1) is respectively 2700K, 2700K and 6000K.
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| CN201210235772.4A CN102768402B (en) | 2012-07-09 | 2012-07-09 | Microscope with adjustable illuminating color temperature and brightness |
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| CN201210235772.4A CN102768402B (en) | 2012-07-09 | 2012-07-09 | Microscope with adjustable illuminating color temperature and brightness |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107505697A (en) * | 2017-08-31 | 2017-12-22 | 宁波舜宇仪器有限公司 | Microscope illumination system |
| CN108966424A (en) * | 2018-08-14 | 2018-12-07 | 湖南品胜生物技术有限公司 | A kind of control method of microscope light source |
| GB2621825A (en) * | 2022-08-22 | 2024-02-28 | Stratec Se | LED illumination for medical applications with adjustable colour spectrum |
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| CN2862068Y (en) * | 2006-01-17 | 2007-01-24 | 宁波永新光学股份有限公司 | Microscope with shift-out lamp-socket structure |
| CN102466876A (en) * | 2010-11-19 | 2012-05-23 | 李秀山 | Microscope platform assembly |
| CN202003080U (en) * | 2011-04-21 | 2011-10-05 | 莲都区梅山中学 | Dimmable all-weather microscope |
| CN202305983U (en) * | 2011-10-27 | 2012-07-04 | 王伟涵 | Controllable light source device for microscope |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505697A (en) * | 2017-08-31 | 2017-12-22 | 宁波舜宇仪器有限公司 | Microscope illumination system |
| CN108966424A (en) * | 2018-08-14 | 2018-12-07 | 湖南品胜生物技术有限公司 | A kind of control method of microscope light source |
| GB2621825A (en) * | 2022-08-22 | 2024-02-28 | Stratec Se | LED illumination for medical applications with adjustable colour spectrum |
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| CN102768402B (en) | 2014-04-09 |
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