CN102768402B - Microscope with adjustable illuminating color temperature and brightness - Google Patents
Microscope with adjustable illuminating color temperature and brightness Download PDFInfo
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- CN102768402B CN102768402B CN201210235772.4A CN201210235772A CN102768402B CN 102768402 B CN102768402 B CN 102768402B CN 201210235772 A CN201210235772 A CN 201210235772A CN 102768402 B CN102768402 B CN 102768402B
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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 there is the microscope of light-source system.
Background technology
Microscope is mainly comprised of mechanical hook-up and optical system two large divisions.Mechanical hook-up part is mainly comprised of mirror holder, converter, objective table, focus control etc.; Optical system is mainly comprised of objective lens, eyepiece etc.Traditional microscope does not have light-source system, mostly adopts and is attached to the reflective mirror optically focused on mirror holder.More new-type microscope adopts light-source system conventionally, light-source system is arranged in microscopical mirror holder conventionally, by pushbutton switch, control the opening and closing of light source, and light-source system relative set condenser, the light that condenser penetrates light source pools light cone and irradiates sample, strengthens illuminance and observing effect.By adopting the 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 conventionally at present, thereby having some limitations property or deficiency: the one, brightness of illumination is non-adjustable, can not meet well different user demands; The 2nd, illumination colour temperature can not be adjusted, and user can not, according to the feature of sample, select suitable light source color temperature to obtain optimal viewing effect by microscope.
Summary of the invention
The object of the invention is: overcome the deficiencies in the prior art, a kind of colour temperature and equal adjustable microscope of brightness that is irradiated to the mixed light on observed sample is provided, meet practical application needs.
Technical scheme of the present invention is: illumination colour temperature of the present invention and the adjustable microscope of brightness, comprise mirror holder, objective table assembly, eyepiece component, converter, objective lens unit, the adjustment knob assembly of component of frames; Objective table assembly comprises objective table and is positioned at the condenser of 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 converter, and eyepiece component and converter are all fixedly installed on mirror holder; Objective table assembly slides up and down and is connected on mirror holder; Adjust knob assembly and be arranged on mirror holder, and be positioned at the rear of objective table assembly, and be dynamically connected with objective table assembly, thereby 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 top and the cradle portion that is connected to base portion of rear form; Base portion is shelly position, and Open Side Down for it, and this downward opening is also the lower port of base portion, and base portion is also provided with the first light hole on its housing top; Base plate is fixedly connected on the base portion of mirror holder from 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 mount pad, and mount pad is fixed on the base portion of mirror holder from top, and is positioned at the top of the first light hole, 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 illumination control circuit plate; Light emitting diode module is comprised of diode mount pad and 2 to 5 light emitting diodes that are arranged on 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 the first light hole under; The lens end of each light emitting diode is all upwards towards the first light hole; Each light emitting diode is for having separately the light emitting diode of certain color temperature parameter; Illumination control circuit plate is arranged in the inner chamber of base portion of mirror holder, and illumination control circuit plate is fixed on illumination adjustments panel or is fixedly mounted on base, and its corresponding terminals are electrically connected to the respective terminal of illumination adjustments panel; Illumination adjustments panel is fixedly mounted in the base portion of base of mirror holder, and the right-side-out of illumination adjustments panel exposes;
Thereby illumination control circuit is a kind of operation that responds illumination adjustments panel and the size of current of passing through on the corresponding light emitting diode of light emitting diode module is implemented synchronously or adjusted respectively the circuit of corresponding change lumination of light emitting diode brightness, thus make to be in use irradiated to the mixed light on the observed sample being arranged on objective table brightness or/and colour temperature adjusted accordingly.
Further scheme is: above-mentioned component of frames also comprises bonnet; The base portion of mirror holder is comprised 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 and regulates panel mounting hole, and illumination adjustments panel is positioned at this adjusting panel mounting hole place; The epipleural of base is provided with for the microscope base installing port of microscope base is installed; Microscope base is tabular housing, and its front portion is provided with the through hole as the upward and downward of the first light hole of the base portion of mirror holder; Microscope base is connected to the microscope base installing port of base from top, and the inner chamber of microscope base and the inner chamber of base communicate; Fixed mount is connected to support from the place ahead, and fixed mount is also connected with the upside rear end of microscope base by its lower end, front side;
The cradle portion of mirror holder is comprised of support, right support pin and left support pin; Support integral body is bending, the sheet frame position that the bottom of support is 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 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 the second light hole of mirror holder; Eyepiece component installation position is in the top of termination, above-mentioned top, and around the second light hole setting; Converter installation position is in the bottom of termination, above-mentioned top, and around the second light hole setting; Support is connected to the right plate of base from top by its right plate, and the right plate of support and the right plate of base are the common same plate body that forms; Support is connected to the left plate of base from top by its left plate, and both also form same plate body jointly; Right support pin is positioned at the rear portion, right side of support, and left support pin is positioned at the rear portion, left side of support; Right support pin is connected to the right plate of support and on the right plate of base from right-hand rear side, and from the right-hand back side panel that is connected to support; Left support pin is connected to the left plate of support and on the left plate of base from left rear side, and is connected to the back side panel of support from left;
The bonnet of above-mentioned component of frames is provided with supply socket mounting hole, and bonnet is fixedly connected on the back side panel of support from rear, and is positioned at the power supply module mounting hole place being arranged on 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 to the fixed mount of mirror holder from the place ahead, and erecting frame slides up and down and is connected with fixed mount; Objective table is fixedly connected on the top of erecting frame from top; Condenser is arranged on the clamper that is positioned at bottom of erecting frame, and be positioned at objective table light hole under;
The eyepiece of above-mentioned eyepiece component is binocular; Eyepiece component is fixedly mounted on the eyepiece component installation portion of support of mirror holder, and is positioned at the top of the 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 are all fixedly mounted on 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 arranged on the fixed mount of mirror holder, and its output gear is meshed with the tooth bar being fixed on objective table; Adjust that knobs divide corresponding adjustment knob mounting hole that left and right inserts mirror holder and be fixedly connected with the corresponding operating rod of the machine driven system of coaxial adjusting knob for 2;
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 bonnet from 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 is wherein 2700K, and the colour temperature of another 1 light emitting diode is 6000K.
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; One end conllinear of the live wire input end of wave filter U1, one 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 to the live wire end of supply socket; One 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 to 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 to 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 to 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 to the earth terminal of supply socket and common ground; The DC power output end of AD/DC power supply changeover device U2 anodal with the negative pole of Transient Voltage Suppressor D1, one end conllinear of 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 above-mentioned Power Transfer Unit; The DC power output end negative pole of AD/DC power supply changeover device U2 and the positive pole of Transient Voltage Suppressor D1, the negative pole of 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 that power switch ON/OFF, circulating light modulation select button SELECT, luminance brightness to tune up button UP, luminance brightness is turned button DOWN, first down and selected 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 to 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;
An I/O end of single-chip microcomputer U3 selects the negative electricity of pilot lamp D3 to be connected by resistance R 5 and second on illumination adjustments panel; The 2nd I/O end of single-chip microcomputer U3 selects the negative electricity of pilot lamp D2 to be connected by resistance R 4 and first on illumination adjustments panel; First selects the positive pole and second of pilot lamp D2 to select the positive pole of pilot lamp D3 to be all electrically connected to 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 one end conllinear of resistance R 10, and this common junction selects one end of button SELECT to be electrically connected to the circulating light modulation of illumination adjustments panel; The 7th I/O end of single-chip microcomputer U3 forms a common junction with one end conllinear of resistance R 9, and this common junction is electrically connected to one end that the luminance brightness of illumination adjustments panel tunes up button UP; The 8th I/O end of single-chip microcomputer U3 forms a common junction with one end conllinear of resistance R 8, and this common junction is electrically connected to one 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 is all electrically connected to the DC power output end of power switch ON/OFF; Circulating light modulation selects the other end, the luminance brightness of button SELECT to tune up the other end of button UP and the other end that luminance brightness is turned button DOWN down all connects power supply ground;
The 28 I/O end, the serial data input end of D/A converter U4 and one end conllinear of resistance R 6 of single-chip microcomputer U3; The 27 I/O end, the serial clock input end of D/A converter U4 and one end conllinear of resistance R 7 of single-chip microcomputer U3; 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 are all electrically connected to 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; The first output terminal of D/A converter U4 is electrically connected to the positive pole of light emitting diode D13 by resistance R 11; The second output terminal of D/A converter U4 is electrically connected to the positive pole of light emitting diode D4 by 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, by illumination light modulating device is set, can adjust the colour temperature that is irradiated to the mixed light on observed sample easily, meets microscopical multiple user demand.
(2) the present invention is by arranging illumination light modulating device, can adjust easily the brightness of the light that each different light emitting diodes send, thereby the brightness and the colour temperature that are irradiated to the mixed light on observed sample are adjusted, make microscopes adapt to different environments for use, performance optimal viewing effect.
(3) user, when adjusting illumination colour temperature or brightness, only need carry out corresponding touch operation to the corresponding button of illumination adjusting range plate, makes the adjustment of this microscopical colour temperature or brightness directly perceived and convenient.
Accompanying drawing explanation
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 in Fig. 2;
Fig. 4 is the structural representation of the light emitting diode module in Fig. 2;
Fig. 5 is the structural representation of the illumination adjustments panel in Fig. 2;
Fig. 6 is the electrical schematic diagram of the Power Transfer Unit of the illumination light modulating device in Fig. 2, has also drawn the electrical connection of the power switch on Power Transfer Unit and supply socket and illumination adjustments panel in figure;
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 in Fig. 1, has also demonstrated 2 light emitting diodes and the associated button on illumination adjustments panel in itself and light emitting diode module and select the electrical connection of pilot lamp in figure;
Fig. 8 is the similar alternative arrangements schematic diagram of the light emitting diode module in Fig. 1;
Fig. 9 is the another kind of structural representation of the illumination adjustments panel in 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 in Fig. 1, has also demonstrated 3 light emitting diodes and the associated button on illumination adjustments panel and the electrical connection of pilot lamp in itself and light emitting diode module in figure.
Reference numeral in above-mentioned accompanying drawing is as follows:
Component of frames 1,
Mirror holder 11, base 11a, microscope base 11b, fixed mount 11c, support 11d, right support pin 11e, regulates panel mounting hole 11-1, and the first light hole 11-2 adjusts 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)
The present embodiment is carrying out orientation while describing, and right-hand when describing of the direction of court of Fig. 1 institute be take in the front and back while describing with the orientation, left and right in Fig. 1, take the direction that the deviates from Fig. 1 left when describing, the upper and lower of the above-below direction of take in Fig. 1 when describing.
See Fig. 1, the microscope that the illumination colour temperature of the present embodiment and brightness are adjustable is comprised 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 for supporting each assembly of microscope.Component of frames 1 is comprised of mirror holder 11, bonnet 12 and base plate 13.
Mirror holder 11 is aluminium alloy integral piece, by base portion and from top and the cradle portion that is connected to base portion of rear form.Base portion is shelly position, and Open Side Down for it, and this downward opening is also the lower port of base portion.Base portion is comprised of base 11a, microscope base 11b and fixed mount 11c.Cradle portion is comprised of support 11d, right support pin 11e and left support pin.
Base 11a is the tabular housing of hollow, and its lower port is opened wide, and this lower port is also 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 for the microscope base installing port of microscope base 11b is installed.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 to the microscope base installing port of base 11a from top, and the inner chamber of microscope base 11b communicates with the inner chamber of base 11a.Support 11d integral body is bending, the sheet frame position that the bottom of support 11d is 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 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, described top, and arranges around the second light hole 11-4; Converter installation portion 11-6 is positioned at the bottom of termination, described top, and arranges around the second light hole 11-4.Support 11d is connected to the right plate of base 11a from top by its right plate, and the right plate of the right plate of support 11d and base 11a forms same plate body jointly; Support 11d is connected to the left plate of base 11a from top by its left plate, and both also form same plate body jointly.Right support pin 11e is positioned at the rear portion, right side of support 11d, and left support pin is positioned at the rear portion, left side of support 11d.Right support pin 11e is connected to 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 to support 11d.Left support pin is connected to the left plate of support 11d and on the left plate of base 11a from left rear side, and is connected to the back side panel of support 11d from left.Fixed mount 11c is connected to support 11d from the place ahead, and fixed mount 11c is also connected with the upside rear end of microscope base 11b by its lower end, front side.
The eyepiece of eyepiece component 4 is binocular.The eyepiece component installation portion 11-5 that eyepiece component 4 is fixedly mounted on the support 11d of mirror holder 11 goes up, and is positioned at the top of light hole 11-4.
Objective lens unit 6 comprises 3～5 object lens 61, and the present embodiment is 4 object lens 61 preferably.Each object lens 61 are all fixedly mounted on converter 5, and all stretch out the below of converter 5, and during use, corresponding object lens 61 used form an optical amplification system with aforesaid eyepiece component 4.
Adjust machine driven system and 2 adjustment knobs 71 that knob assembly 7 comprises coaxial adjusting knob, the machine driven system of coaxial adjusting knob is arranged on the fixed mount 11c of mirror holder 11, and its output gear is meshed with the tooth bar being fixed on objective table 32.2 corresponding adjustment knob mounting hole 11-3 that adjust 71 minutes right left insertion mirror holders 11 of knob and being fixedly connected with the corresponding operating rod of the machine driven system of coaxial adjusting knob, adjust knob 71 and can make objective table 32 fixed mount 11c with respect to mirror holder 11 on above-below direction slide by turning.
Referring to Fig. 3, collecting lens assembly 2 is comprised of collecting lens 21 and mount pad 22, and collecting lens 21 is fixedly mounted on 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 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 comprised 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 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 bonnet 12 from 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 illumination adjustments panel 82 and (can illumination control circuit plate 86 be fixed on base 11a by securing member and the corresponding installation position being arranged on base 11a inwall in other embodiments), and its corresponding terminals are electrically connected to 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 preferably 2 of the numbers 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 is all fixedly mounted on mount pad 81-2.Light emitting diode module 81 is fixedly mounted on 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 to install towards the mode of collecting lens assembly 2 with 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 button SELECT is selected in power switch ON/OFF, circulating light modulation, luminance brightness tunes up button UP and luminance brightness is turned button DOWN down.Power switch ON/OFF has DC supply input and DC power output end.2 are selected one of pilot lamp is on illumination adjustments panel 82, to be labeled as first of 2700K to select pilot lamp, another is on illumination adjustments panel 82, to be labeled as second of 6000K to select pilot lamp, first while selecting pilot lamp to light, and to show to choose colour temperature be the light emitting diode 81-1 of 2700K and can adjust its brightness.Second while selecting pilot lamp to light, and to show to choose colour temperature be the light emitting diode 81-1 of 6000K and can adjust its brightness.Select in pilot lamp the present embodiment all preferably light emitting diode for 2.
See Fig. 6, supply socket 85 is labeled as J1 in Fig. 6, has i.e. No. 1 wiring pin of live wire end L(), i.e. No. 3 wiring pins of zero line side N() and earth terminal EARTH(be No. 2 wiring pins).Supply socket J1 is for external 220V electric main.
Still see Fig. 6, Power Transfer Unit 83 is comprised 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 model of Transient Voltage Suppressor D1; The model of voltage dependent resistor (VDR) R1, voltage dependent resistor (VDR) R2 and voltage dependent resistor (VDR) R3 is preferred FNR-14K561 all; The preferred SL1411A600A of model of gas-discharge tube GDT1.
The live wire input end Lin end of wave filter U1, one end of voltage dependent resistor (VDR) R1 and one 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 to the live wire end L of supply socket J1; The zero line input end Nin end of wave filter U1, the other end of voltage dependent resistor (VDR) R1 and one 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 to 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 to 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 to the zero line input end N end of AD/DC power supply changeover device U2; The negative pole conllinear of the earth terminal G end of wave filter U1, the earth terminal FG of AD/DC power supply changeover device U2 end and 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 to the earth terminal EARTH of supply socket J1, and jointly connects the earth; The DC power output end of AD/DC power supply changeover device U2 anodal (No. 8 wiring pins) is with the negative pole of Transient Voltage Suppressor D1, one end conllinear of the positive pole of electrochemical capacitor C1, capacitor C 2 and form a common junction, and this common junction is the DC power output end of Power Transfer Unit 83; The DC power output end negative pole of AD/DC power supply changeover device U2 (No. 4 wiring pins) and the positive pole of Transient Voltage Suppressor D1 are, the other end conllinear of 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 illumination light modulating device 8 other each assemblies working power is provided; The DC power output end of Power Transfer Unit 83 is electrically connected to the DC supply input of power switch ON/OFF on aforesaid illumination adjustments panel 82.
See Fig. 7, the light emitting diode D2 in figure selects pilot lamp for be labeled as first of 2700K on the illumination adjustments panel 82 shown in Fig. 5; Light emitting diode D3 in Fig. 7 selects pilot lamp for be labeled as second of 6000K on the illumination adjustments panel 82 shown in Fig. 5.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, be arranged on illumination control circuit 86-1 on illumination control circuit plate 86 and formed by attached crystal oscillating circuit and reset circuit, D/A converter U4, resistance R 4 to the resistance R 11 and R28 of single-chip microcomputer U3, single-chip microcomputer U3.The reset circuit of single-chip microcomputer U3 is comprised of electrochemical capacitor C3 and resistance R 29; The crystal oscillating circuit of single-chip microcomputer U3 is comprised 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 model of D/A converter U4.D/A converter is also D/A.
Reset terminal RST end (9 pin), the negative pole of electrochemical capacitor C3 and one 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 to the DC power output end of power switch ON/OFF, thereby forms the reset circuit of single-chip microcomputer U3.The first crystal oscillator end XTAL1 end (19 pin) of single-chip microcomputer U3, one end of crystal oscillator Y1 are, one end conllinear of capacitor C 5, the second crystal oscillator end XTAL2 end (18 pin) of single-chip microcomputer U3, the other end of crystal oscillator Y1 are, one 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 forms the crystal oscillating circuit of single-chip microcomputer U3.
Still see Fig. 7, the negative electricity that I/O end (input/output terminal) P1.0 end (1 pin) of single-chip microcomputer U3 is also light emitting diode D3 by resistance R 5 and the second selection pilot lamp is connected; The negative electricity that the 2nd I/O end P1.1 end (2 pin) of single-chip microcomputer U3 is also light emitting diode D2 by resistance R 4 and the first selection pilot lamp is connected, and the positive pole of the positive pole of light emitting diode D2 and light emitting diode D3 is all electrically connected to the DC power output end VCC end of power switch ON/OFF.
The 6th I/O end P1.5 end (6 pin) of single-chip microcomputer U3 forms a common junction with one end conllinear of resistance R 10, and this common junction selects one end of button SELECT to be electrically connected to the circulating light modulation on illumination adjustments panel 82; The 7th I/O end P1.6 end (7 pin) of single-chip microcomputer U3 is with one end conllinear of resistance R 9 and form a common junction, and this common junction is electrically connected to one end that luminance brightness on illumination adjustments panel 82 tunes up button UP; The 8th I/O end P1.7 end (8 pin) of single-chip microcomputer U3 forms a common junction with one end conllinear of resistance R 8, and this common junction is electrically connected to one end that the luminance brightness on illumination adjustments panel 82 is turned button DOWN down; The other end of resistance R 10, resistance R 9 and resistance R 8 is all electrically connected to the DC power output end of power switch ON/OFF; Circulating light modulation selects the other end, the luminance brightness of button SELECT to tune up the other end of button UP and the other end that luminance brightness is turned button DOWN down all connects 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 one 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 one end conllinear of 4 pin and resistance R 7; Vdd terminal (1 pin) and the REF end (6 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 are all electrically connected to the DC power output end of power switch ON/OFF; I/O end and GND end (20 pin) that single-chip microcomputer U3 is vacant all connect power supply ground; The ADD end (3 pin) of D/A converter U4 and GND end (2 pin) be ground connection all; The positive pole of the light emitting diode D13 that the first output terminal OUTA end (7 pin) of D/A converter U4 is 2700K by resistance R 11 with colour temperature is electrically connected to; The positive pole of the light emitting diode D4 that the second output terminal OUTB end (8 pin) of D/A converter U4 is 6000K by resistance R 28 with colour temperature is electrically connected to; The negative pole of light emitting diode D13 and light emitting diode D4 all connects power supply ground.
The course of work of its adjustment illumination colour temperature of the microscope that the illumination colour temperature of the present embodiment and brightness are adjustable and brightness and principle are as following:
In supply socket 85, connect the electric main of 220V, 83 of the Power Transfer Units of illumination light modulating device 8 by 220V electric main convert to stable output+5V direct current VCC.Press illumination light modulating device 8 illumination adjustments panel 82 on power switch ON/OFF, illumination light modulating device 8 illumination control circuit plate 86 on illumination control circuit 86-1 obtain electric in running order.Wherein, two light emitting diode D4 and the D13 of the light emitting diode module 81 of illumination light modulating device 8 obtain electric lighting.The light that now two light emitting diode D4 and D13 send upwards successively through the first light hole 11-2 of mirror holder 11, the light hole 32-1 of collecting lens 21, condenser 33 and the objective table 32 of collecting lens assembly 2 is irradiated on the observed sample being placed on objective table 32, the colour temperature and the brightness that are now irradiated to the light on observed sample are fixed.
When needs adjustment is irradiated to the colour temperature of the light on observed sample, button SELECT is selected in the circulating light modulation of pressing for the first time on the illumination adjustments panel 82 of illumination light modulating device 8, first selects pilot lamp D2 to light, and now can carry out brightness adjustment to the light emitting diode D13 of colour temperature 2700K.Button SELECT is selected in the circulating light modulation of pressing for the second time on the illumination adjustments panel 82 of illumination light modulating device 8, second selects pilot lamp D3 to light, and now can carry out brightness adjustment to the light emitting diode D4 of colour temperature 6000K.After a selected light emitting diode D13 or D4, press that one or many luminance brightness tunes up button UP or luminance brightness is turned button DOWN down, single-chip microcomputer U3 obtains after corresponding signal, according to built-in control program, to D/A converter U4, send corresponding instruction, D/A converter U4 changes the size of corresponding output end (7 pin or 8 pin) output voltage according to this instruction, thereby corresponding change is passed through the size of current of light emitting diode D13 by size of current or the corresponding change of light emitting diode D4, the brightness of this controlled light emitting diode thereby be changed, because the brightness preservation of another light emitting diode is constant, thereby the colour temperature of the mixed light of the observed sample of directive is changed.After circulating light modulation selects button SELECT key to be pressed, each is selected pilot lamp to light or extinguishes the built-in programmed control by single-chip microcomputer U3, for circulation is selected, while pressing for the first time circulating light modulation selection button SELECT key, first selects pilot lamp to light, now can by touching, luminance brightness tunes up button UP or luminance brightness is turned button DOWN down and the light emitting diode D13 of colour temperature 2700K is carried out to brightness adjustment; While pressing for the second time circulating light modulation selection button SELECT key, second selects pilot lamp to light, first selects pilot lamp to extinguish, now can by touching, luminance brightness tunes up button UP or luminance brightness is turned button DOWN down and the light emitting diode D4 of colour temperature 6000K is carried out to brightness adjustment; While pressing for the third time, first selects pilot lamp to light, and second selects pilot lamp to extinguish, and can carry out brightness adjustment to the light emitting diode D13 of colour temperature 2700K again; So circulation, and can adjust accordingly different light emitting diodes, thereby the colour temperature that is irradiated to the mixed light on observed sample is met the requirements.
If in the time of only need to adjusting brightness, as stated above, after adjusting the brightness of a light emitting diode, adjust in proportion the brightness of another light emitting diode, thereby the brightness that is irradiated to the mixed light on observed sample changes, until it meets the requirements, 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; Meanwhile, on the illumination adjustments panel 82 of illumination light modulating device 8, the 3rd pilot lamp of corresponding increase is light emitting diode D15, the corresponding 2700K-2 that is labeled as on illumination adjustments panel 82; In illumination control circuit 86-1 on the illumination control circuit plate 86 of illumination light modulating device 8, increased with the 3rd and selected the supporting resistance R 35 of pilot lamp (being light emitting diode D15), also increase by a second D/A converter U5 with D/A converter U4 same model, and be connected to the corresponding resistance R 38 between the first output terminal OUTA end (7 pin) of the second D/A converter U5 and the positive pole of the light emitting diode D23 that colour temperature is 2700K; The second output terminal OUTB end (8 pin) of the second D/A converter U5 is unsettled, and the connection of all the other pins of the second D/A converter U5 is identical with the connection of the respective pin of D/A converter U4.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 be connected by resistance R 35 and the 3rd, light emitting diode D15 is anodal to be electrically connected to the DC power output end VCC end (3 pin) of power switch ON/OFF, and the connection of all the other pins of single-chip microcomputer U3 is identical with the connection of the respective pin of single-chip microcomputer U3 in embodiment 1.
Now, after the circulating light modulation on illumination adjustments panel 82 selects button SELECT key to be pressed, each selects pilot lamp light or extinguish by single-chip microcomputer plug-in and control, and presses for the first time SELECT key, and first selects pilot lamp bright; Press for the second time SELECT key, second selects pilot lamp bright; Press for the third time SELECT key, the 3rd selects pilot lamp bright; So circulation.When different selection pilot lamp is lighted, by touching, luminance brightness tunes up button UP or luminance brightness is turned button DOWN down and the luminance brightness of the light emitting diode of corresponding colour temperature is adjusted, thereby reach, to being irradiated to, observes the brightness of the mixing light on sample and the object that colour temperature is adjusted.
Certainly, the colour temperature of the illuminating light emitting diode increasing in the present embodiment is not limited to 2700K, can be also that colour temperature is the light emitting diode of 6000K etc.
Show and easily see, while needing to install more light emitting diode 81-1 in light emitting diode module 81, as long as expand according to the mode of the present embodiment is corresponding, simultaneously, the colour temperature of light emitting diode 81-1 is not limited to 2700K or 6000K, selects the light emitting diode 81-1 of other colour temperatures also can.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and variation and obtain the corresponding technical scheme being equal to, therefore all technical schemes that are equal to all should be included into scope of patent protection of the present invention.
Claims (2)
1. the microscope that the colour temperature of throwing light on and brightness are adjustable, comprise component of frames (1) mirror holder (11), objective table assembly (3), eyepiece component (4), converter (5), objective lens unit (6), adjust knob assembly (7); 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 it is upper that objective lens unit (6) is fixedly installed on converter (5), and eyepiece component (4) and converter (5) are all fixedly installed on mirror holder (11); Objective table assembly (3) slides up and down and is connected on mirror holder (11); Adjust knob assembly (7) and be arranged on mirror holder (11) above, and be positioned at the rear of objective table assembly (3), and be dynamically connected with objective table assembly (3), thereby 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 top and the cradle portion that is connected to base portion of rear form; Base portion is shelly position, and Open Side Down for it, and this downward opening is also the lower port of base portion, and base portion is also provided with the first light hole (11-2) on its housing top; Base plate (13) is fixedly connected on the base portion of mirror holder (11) from 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); It is upper that collecting lens (21) is fixedly mounted on mount pad (22), and mount pad (22) is fixed on the base portion of mirror holder (11) from top, and is positioned at the top of the first light hole (11-2), 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 illumination control circuit plate (86); Light emitting diode module (81) is comprised of diode mount pad (81-2) and 2 light emitting diodes (81-1) of being arranged on diode mount pad (81-2); The base plate (13) that described light emitting diode module (81) is fixedly mounted on component of frames (1) by its diode mount pad (81-2) is upper, and be positioned at mirror holder (11) the first light hole (11-2) under; The lens end of each light emitting diode (81-1) is all upwards towards the first light hole (11-2); Each light emitting diode (81-1) is for having separately the light emitting diode of certain color temperature parameter; 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) above or is fixedly mounted on base (11a) upper, and its corresponding terminals are electrically connected to the respective terminal of illumination adjustments panel (82); Illumination adjustments panel (82) is fixedly mounted in the base portion of base (11a) of mirror holder (11), and the right-side-out of illumination adjustments panel (82) exposes;
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 adjust respectively the circuit of corresponding change light emitting diode (81-1) luminosity, thereby make to be in use irradiated to the mixed light on the observed sample being arranged on objective table (32) brightness or/and colour temperature adjusted accordingly;
Described component of frames (1) also comprises bonnet (12); The base portion of mirror holder (11) is comprised of base (11a), microscope base (11b) and fixed mount (11c); The tabular housing that base (11a) is hollow, 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 and 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 for the microscope base installing port of microscope base (11b) is installed; 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 to the microscope base installing port of base (11a) from top, and the inner chamber of microscope base (11b) communicates with the inner chamber of base (11a); Fixed mount (11c) is connected to support (11d) from the place ahead, and fixed mount (11c) is also connected with the upside rear end of microscope base (11b) by its lower end, front side;
The cradle portion of mirror holder (11) is comprised of support (11d), right support pin (11e) and left support pin; Support (11d) integral body is bending, the sheet frame position that the bottom of support (11d) is 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 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, described top, and arranges around the second light hole (11-4); Converter installation portion (11-6) is positioned at the bottom of termination, described top, and arranges around the second light hole (11-4); Support (11d) is connected to the right plate of base (11a) from 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 forms; Support (11d) is connected to the left plate of base (11a) from top by its left plate, and both also form same plate body jointly; Right support pin (11e) is positioned at the rear portion, right side of support (11d), and left support pin is positioned at the rear portion, left side of support (11d); Right support pin (11e) is connected to 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 to support (11d); Left support pin is connected to the left plate of support (11d) and on the left plate of base (11a) from left rear side, and is connected to 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 rear, and is positioned at the power supply module mounting hole place being arranged on 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 to the fixed mount (11c) of mirror holder (11) from the place ahead, and erecting frame (31) slides up and down and is connected with fixed mount (11c); Objective table (32) is fixedly connected on the top (31-1) of erecting frame (31) from top; It is upper that condenser (33) is arranged on the clamper that is positioned at 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 binocular; Eyepiece component (4) is fixedly mounted on the eyepiece component installation portion (11-5) of the support (11d) of mirror holder (11) and goes up, 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 it is upper that each object lens (61) are all fixedly mounted on 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 arranged on the fixed mount (11c) of mirror holder (11), and its output gear is meshed with the tooth bar being fixed on objective table (32); Adjusting knobs (71) minute left and right for 2 inserts the corresponding adjustment knob mounting hole (11-3) of mirror holder (11) and is 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 bonnet (12) from rear, and the supply socket mounting hole (12-1) that is positioned at bonnet (12) is located;
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) is wherein 2700K, and the colour temperature of another 1 light emitting diode (81-1) is 6000K;
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 capacitor C 2; 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 the live wire input end of wave filter U1, one 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 described Power Transfer Unit (83), and it is electrically connected to the live wire end of supply socket (85); One 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 described Power Transfer Unit (83), and it is electrically connected to the zero line side of supply socket (85); 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 to 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 to 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 described Power Transfer Unit (83), and it is electrically connected to the earth terminal of supply socket (85) and common ground; The DC power output end of AD/DC power supply changeover device U2 anodal with the negative pole of Transient Voltage Suppressor D1, one end conllinear of 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 described Power Transfer Unit (83); The DC power output end negative pole of AD/DC power supply changeover device U2 and the positive pole of Transient Voltage Suppressor D1, the negative pole of electrochemical capacitor C1 and the other end conllinear of capacitor C 2 and as power supply ground.
2. illumination colour temperature according to claim 1 and the adjustable microscope of brightness, is characterized in that: the illumination adjustments panel (82) of described illumination light modulating device (8) is provided with that power switch ON/OFF, circulating light modulation select button SELECT, luminance brightness to tune up button UP, luminance brightness is turned button DOWN, first down and selected pilot lamp D2 and second to select 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 to 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 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;
An I/O end of single-chip microcomputer U3 selects the negative electricity of pilot lamp D3 to be connected by resistance R 5 and second on illumination adjustments panel (82); The 2nd I/O end of single-chip microcomputer U3 selects the negative electricity of pilot lamp D2 to be connected by resistance R 4 and first on illumination adjustments panel (82); First selects the positive pole and second of pilot lamp D2 to select the positive pole of pilot lamp D3 to be all electrically connected to 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 one end conllinear of resistance R 10, and this common junction selects one end of button SELECT to be electrically connected to the circulating light modulation of illumination adjustments panel (82); The 7th I/O end of single-chip microcomputer U3 forms a common junction with one end conllinear of resistance R 9, and this common junction is electrically connected to one end that the luminance brightness of illumination adjustments panel (82) tunes up button UP; The 8th I/O end of single-chip microcomputer U3 forms a common junction with one end conllinear of resistance R 8, and this common junction is electrically connected to one end that the luminance brightness of illumination adjustments panel (82) is turned button DOWN down; The other end of resistance R 10, resistance R 9 and resistance R 8 is all electrically connected to the DC power output end of power switch ON/OFF; Circulating light modulation selects the other end, the luminance brightness of button SELECT to tune up the other end of button UP and the other end that luminance brightness is turned button DOWN down all connects power supply ground;
The 28 I/O end, the serial data input end of D/A converter U4 and one end conllinear of resistance R 6 of single-chip microcomputer U3; The 27 I/O end, the serial clock input end of D/A converter U4 and one end conllinear of resistance R 7 of single-chip microcomputer U3; 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 are all electrically connected to 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; The first output terminal of D/A converter U4 is electrically connected to the positive pole of light emitting diode D13 by resistance R 11; The second output terminal of D/A converter U4 is electrically connected to the positive pole of light emitting diode D4 by resistance R 28; The negative pole of light emitting diode D13 and light emitting diode D4 all connects power supply ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235772.4A CN102768402B (en) | 2012-07-09 | 2012-07-09 | Microscope with adjustable illuminating color temperature and brightness |
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN102768402A CN102768402A (en) | 2012-11-07 |
| CN102768402B true CN102768402B (en) | 2014-04-09 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3418244B2 (en) * | 1994-05-25 | 2003-06-16 | オリンパス光学工業株式会社 | Microscope automatic focus detection method |
| JPH09152558A (en) * | 1995-11-30 | 1997-06-10 | Olympus Optical Co Ltd | Automatic color temp. adjustment microscope system |
| 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 |
| CN2643335Y (en) * | 2003-08-11 | 2004-09-22 | 麦克奥迪实业集团有限公司 | Illuminator for microscope |
| 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 |
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