CN104411068A - Intelligent fine dimming dental chair oral lamp and dimming method - Google Patents
Intelligent fine dimming dental chair oral lamp and dimming method Download PDFInfo
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- CN104411068A CN104411068A CN201410737097.4A CN201410737097A CN104411068A CN 104411068 A CN104411068 A CN 104411068A CN 201410737097 A CN201410737097 A CN 201410737097A CN 104411068 A CN104411068 A CN 104411068A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention provides an intelligent fine dimming dental chair oral lamp and a dimming method, and belongs to the field of lighting control. The dental chair oral lamp comprises a main adjusting module, a micro-adjusting module, a micro-controller module, a light source driving module, a lighting unit and a power source module, wherein the main adjusting module is connected with the micro-controller module, and is used for initial dimming of a lighting unit; the micro-adjusting module is connected with the micro-controller module, and is used for fine adjustment of the brightness of the lighting unit; the micro-controller module is used for receiving input signals of the main adjusting module and the micro-adjusting module and used for outputting a control signal to the light source driving module; the light source driving module is connected with the micro-controller module, and is used for receiving the control signal of the micro-controller module and used for brightness adjustment of the lighting unit; the lighting unit is connected with the light source driving module, and is used for receiving an adjusting signal input by the light source driving module and used for brightness updating; the power source module is connected with the main adjusting module, the micro-adjusting module, the micro-controller module and the light source driving module respectively, and is used for providing the power source. The dental chair oral lamp and the dimming method have the benefits that by rapidly combining initial dimming and fine dimming, dimming efficiency and dimming accuracy are improved, and the oral lamp is more convenient to operate.
Description
Technical field
The invention belongs to lighting control technique field, especially relate to a kind of Intelligent fine light adjusting type tooth chair mouth lamp and light-dimming method.
Background technology
Mouth lamp is auxiliary equipment conventional in dental treatment, for throwing light on to patient mouth area, in order to the tooth enabling doctor clearly observe patient, and then making accurate judgement, needing to provide enough illumination in patient mouth area.
Along with the extensive use of LED, there is now the illumination application of some LED on the market successively, also in succession there is the oral cavity light fixture of some LED as light source both at home and abroad, existing LED mouth lamp can be divided into two kinds of light modulation types, infrared light modulation and hand-operating light, and all there is respective defect in two kinds of methods, as infrared control light modulation is used for the opening and closing of mouth lamp, that can only carry out light has and the adjustment of nothing, and the power of its brightness can not be regulated, regulate if want to carry out brightness power, need configuration one independently remote controller could realize, like this, two are needed to overlap independently lamp light control system.Not only operate convenient not but also light modulation precision can not be guaranteed, although independently although the hand-operating light of remote controller can carry out rough adjustment to brightness, but when doctor observes patient's mouth, because oral cavity is narrow and small, illuminance requires higher, so need continuous manual adjustments light source to see the concrete condition in oral cavity clearly, cause a manual manipulation remote controller, have impact on effect and the efficiency of medical treatment, and operation is also loaded down with trivial details, for very inconvenient therapeutic process and the control of PWM non-pole light regulating can not be carried out, serious inconvenience is brought in patient or doctor's use procedure.
Summary of the invention
Main purpose of the present invention is to solve the technical problem existed in prior art, the Intelligent fine light adjusting type tooth chair mouth lamp providing the initial light modulation of a kind of infrared induction and manual fine light modulation to combine and light-dimming method, enhance the dimming effect to mouth lamp, improve the efficiency of curative activity.
Technical scheme of the present invention is: a kind of Intelligent fine light adjusting type tooth chair mouth lamp, comprising: main regulation module, fine adjustment module, micro controller module, light source driver module, luminescence unit and power module;
Described main regulation module and micro controller model calling, for the initial light modulation to luminescence unit;
Described fine adjustment module and micro controller model calling, for carrying out intense adjustment to the brightness of luminescence unit;
Described micro controller module, for receiving main regulation module and fine adjustment module input signal and outputting a control signal to light source driver module;
Described light source driver module and micro controller model calling, for receiving the control signal of micro controller module and carrying out brightness regulation to luminescence unit;
Described luminescence unit is connected with light source driver module, receives the conditioning signal of light source driver module input and carries out brightness renewal;
Described power module respectively with main regulation module, fine adjustment module, micro controller module is connected with light source driver module and provides power supply;
First described micro controller module accepts the dim signal of main regulation module, then accepts the dimming information that described fine adjustment module sends, and successively controls described light source driver module and starts and carry out brightness regulation to described luminescence unit.
Further, described main regulation module comprises:
Infrared carrier transmit module, with described micro controller model calling, for receiving micro controller module by signal and launching 38K carrier (boc) modulated signals luminescence unit being carried out to brightness three grades circulation adjustment;
IR signal reception module, launches 38K carrier (boc) modulated signals for receiving infrared carrier module;
Demodulation module, with described IR signal reception model calling, carries out demodulation to the 38K carrier (boc) modulated signals that IR signal reception module receives and control signal is sent to micro controller module.
Further, described fine adjustment module comprises:
Manual adjustments voltage input module, manual adjustments input voltage and then intense adjustment is carried out to luminescence unit brightness;
A/D signal acquisition module, carries out A/D signals collecting to manually regulating and controlling voltage input module output voltage, and is transferred to micro controller module.
Further, described micro controller module comprises:
Microprocessor unit, is connected with described A/D signal acquisition module, for detect when A/D signal acquisition module has signal to input and luminescence unit brightness value to be adjusted to the brightness value of manual adjustments;
Described microprocessor unit is also connected with demodulation module, the control signal that receiving demodulation module sends, and control signal is identified as brightness regulated signal, and carries out three grades of circulation light modulations to luminescence unit;
PWM output unit, is connected with described microprocessor unit and light source driver module respectively, and described PWM output unit receives microprocessor unit instruction, and the duty ratio exporting pwm pulse regulates light source driver module output current;
Brightness memory cell, be connected with described microprocessor unit, for storing default luminance value or the brightness value after upgrading, when this Intelligent fine light adjusting type tooth chair mouth lamp is opened, described luminescence unit is presented according to described default luminance value, after the brightness value of luminescence unit is adjusted, renewal is carried out to the brightness value after adjustment and stores.
Further, described mouth lamp also comprises:
Reminding module, is connected with described micro controller module, gives and prompting after the initial light modulation of main regulation module to luminescence unit reaches brightness value.
A light-dimming method for Intelligent fine light adjusting type tooth chair mouth lamp, is applied in Intelligent fine light adjusting type tooth chair mouth lamp as above, comprises the steps:
A, Intelligent fine light adjusting type tooth chair mouth lamp are opened;
B, main regulation module launch infrared initial adjustment signal;
C, micro controller module control light source driver module according to reception infrared signal and carry out initial rough light modulation to luminescence unit;
D, fine adjustment module send intense adjustment signal to micro controller module;
E, micro controller module receive separates intense adjustment signal and exports meticulous regulable control signal to light source driver module;
F, light source driver module carry out correction adjustment to the brightness of luminescence unit.
Further, the light-dimming method of described Intelligent fine light adjusting type tooth chair mouth lamp, also comprises the steps:
A, Intelligent fine light adjusting type tooth chair mouth lamp are opened;
B, microprocessor unit upgrade luminescence unit brightness according to brightness cell stores default luminance value;
The signal of c, A/D signal acquisition module to manual regulation voltage input module detects in real time;
D, microprocessor unit have judged whether that the signal of telecommunication is inputted by A/D signal acquisition module, no, enter step c, are, enter next step;
E, start manual brightness and regulate to record and regulate direction, differentiate and regulate the incremental adjustments of direction whether to brightness value, no, enter step I, be, enter next step;
F, microprocessor unit differentiate whether manual adjustments predetermined luminance value is greater than luminescence unit present intensity value, no, return step c, are, enter next step;
G, microprocessor unit start gradual change and regulate, and luminescence unit brightness value are adjusted to manual adjustments predetermined luminance value, return step c after completing.
Further, described step I is that microprocessor unit differentiates whether manual adjustments predetermined luminance value is less than luminescence unit present intensity value, no, returns step c, is, enter step g.
Further, also comprise initial light modulation step after the stepb, described initial light modulation step comprises:
The transmitting of b1, infrared carrier transmit module is carried out brightness three grades circulation to luminescence unit and is regulated carrier signal;
C1, IR signal reception module detect whether receive the carrier signal be reflected back in certain distance, no, return step b1, are, enter next step;
D1, demodulation module demodulate control signal to carrier signal and are sent to microprocessor unit;
E1, microprocessor unit start luminescence unit three grades of circulation light modulations;
F1, reminding module are pointed out to completing after brightness upgrades with luminescence unit, after completing, return step b1.
Further, in step g, described gradual change is adjusted to: the every 100ms of microprocessor unit once, adjusts the ratio of 1% brightness, and little step-length adjustment pwm signal duty cycle signals, until adjust to target brightness value.
Advantage of the present invention is as follows:
(1), Intelligent fine light adjusting type tooth chair mouth lamp of the present invention and light-dimming method, by the initial light modulation of the brightness of main regulation module to luminescence unit and fine adjustment module, the brightness intense adjustment to luminescence unit combines, and improves mouth lamp light modulation efficiency and light modulation precision.
(2), Intelligent fine light adjusting type tooth chair mouth lamp of the present invention and light-dimming method, brightness memory cell is for storing default luminance value, when this Intelligent fine light adjusting type tooth chair mouth lamp is opened, described luminescence unit is presented according to described default luminance value, which enhance the agility that mouth lamp reaches predetermined luminance, add the operating efficiency of mouth lamp.
(3), Intelligent fine light adjusting type tooth chair mouth lamp of the present invention and light-dimming method, microprocessor unit control PWM output unit output pwm signal, light source driver module is regulated by the pwm signal of variable duty ratio, can regulation output electric current with realize to luminescence unit light modulation, effectively reduce the power consumption of luminescence unit, ensure that the longer working life of luminescence unit.
(4), Intelligent fine light adjusting type tooth chair mouth lamp of the present invention and light-dimming method, the process of gradual change is had in the light on and off process controlling luminescence unit, the every 100ms of microprocessor unit once, the ratio little step-length adjustment pwm signal duty cycle signals of adjustment 1%, until adjust to target brightness value, ensure that the object of meticulous adjustment brightness, and avoid the waste of excessive brightness, reach energy-conservation object.
(5), Intelligent fine light adjusting type tooth chair mouth lamp of the present invention and light-dimming method, reminding module is given and is completed voice message after light modulation with main regulation module to luminescence unit, considerably increase the convenience of doctor's operation, be conducive to the efficiency and the effect that improve curative activity.
Accompanying drawing explanation
Fig. 1 is the overall hardware block diagram of Intelligent fine light adjusting type tooth chair mouth lamp of the present invention;
Fig. 2 is the hardware block diagram of Intelligent fine light adjusting type tooth chair mouth lamp specific embodiment of the present invention;
Fig. 3 is the light-dimming method flow chart of Intelligent fine light adjusting type tooth chair mouth lamp of the present invention;
Fig. 4 is the meticulous light-dimming method flow chart of Intelligent fine light adjusting type tooth chair mouth lamp embodiment of the present invention;
Fig. 5 is the initial light-dimming method flow chart of Intelligent fine light adjusting type tooth chair mouth lamp embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing 1-5, the present invention is described further:
Technical scheme of the present invention relates to Intelligent fine light adjusting type tooth chair mouth lamp and light-dimming method two themes, below elaborates.
As shown in Figure 1-2, a kind of Intelligent fine light adjusting type tooth chair mouth lamp, comprising: main regulation module, fine adjustment module, micro controller module, light source driver module, luminescence unit and power module.Described main regulation module and micro controller model calling, for the initial light modulation to luminescence unit.Described fine adjustment module and micro controller model calling, for carrying out intense adjustment to the brightness of luminescence unit.Described micro controller module, for receiving main regulation module and fine adjustment module input signal and outputting a control signal to light source driver module.Described light source driver module and micro controller model calling, for receiving the control signal of micro controller module and carrying out brightness regulation to luminescence unit, described luminescence unit is LED.Described luminescence unit is connected with light source driver module, receives the conditioning signal of light source driver module input and carries out brightness renewal.Described power module respectively with main regulation module, fine adjustment module, micro controller module is connected with light source driver module and provides power supply.First described micro controller module accepts the dim signal of main regulation module, then accepts the dimming information that described fine adjustment module sends, and successively controls described light source driver module and starts and carry out brightness regulation to described luminescence unit.
Described luminescence unit is LED, and LED adopts 12V tetra-chip high power XM-L EZW model, to meet the brightness requirement of this application-specific of mouth lamp.
The main regulation module related to described in Intelligent fine light adjusting type tooth chair mouth lamp of the present invention is the low coverage scattered reflection type infrared induction circuit that can transmit and receive three grades of light modulations, and the manual adjustments voltage input module of described fine adjustment module is individual pen knob Zooming light modulation circuit.Equipment use AC12V as supply power mode, the light on and off of signal controlling high-brightness LED lamp inputted according to low coverage scattered reflection type infrared induction circuit and individual pen knob Zooming light modulation circuit by micro controller module and the adjustment of brightness.Micro controller module controls infrared carrier transmit module timing output 38K carrier (boc) modulated signals, carrier signal reflected by reverberation in certain distance and by IR signal reception module receive after, demodulation module carries out demodulation to the signal received and exports the signal after demodulation to micro controller module, differentiates carry out three grades of brightness cycle sets to LED after process through micro controller module.Micro controller module carries out high-speed a/d collection to individual pen knob Zooming light modulation circuit signal, is mapped as LED luminance grade, realizes the intense adjustment of LED luminance after routine processes.Intelligent fine light adjusting type tooth chair mouth lamp of the present invention and light-dimming method, by the initial light modulation of the brightness of main regulation module to luminescence unit and fine adjustment module, the brightness intense adjustment to luminescence unit combines, and improves mouth lamp light modulation efficiency and light modulation precision.Energy-conservation a, low cost, perfect in shape and function, wieldy tooth chair mouth lamp solution.
Further, described main regulation module comprises: infrared carrier transmit module, with described micro controller model calling, for receiving micro controller module by signal and launching 38K carrier (boc) modulated signals luminescence unit being carried out to brightness three grades circulation adjustment.IR signal reception module, for receiving the 38K carrier (boc) modulated signals of the infrared carrier transmit reflected by the reverberation of mouth lamp outside.The palm that described reverberation is behaved or other reverberations that infrared signal can be reflected, demodulation module, with described IR signal reception model calling, the 38K carrier (boc) modulated signals that IR signal reception module receives is carried out to demodulation and control signal is sent to micro controller module.
Further, described fine adjustment module comprises: manual adjustments voltage input module, manual adjustments input voltage and then carry out intense adjustment to luminescence unit brightness.Manual adjustments voltage input module is the structure of rotary switch and single-turn potentiometer integral type, twists counterclockwise and adjusts end brightness, if screwing home is cut off the electricity supply, twisting clockwise is heighten brightness.A/D signal acquisition module, carries out A/D signals collecting to manually regulating and controlling voltage input module input voltage, and is transferred to micro controller module.
Micro controller module carries out high-speed a/d collection to knob current potential, is mapped as LED luminance grade after routine processes, carries out 8 A/D gather knob current potential, and it is higher to be worth larger corresponding brightness; Brightness regulation adopts 8 PWM, and it is lower to be worth larger corresponding brightness.PWM value=256-A/D collection value, realizes the intense adjustment of LED luminance.
Further, described micro controller module comprises: microprocessor unit, is connected with described A/D signal acquisition module, for detect when A/D signal acquisition module has signal to input and luminescence unit brightness value to be adjusted to the brightness value of manual adjustments.Described microprocessor unit is also connected with demodulation module, the control signal that receiving demodulation module sends, and control signal is identified as brightness regulated signal, and carries out three grades of circulation light modulations to luminescence unit.PWM output unit, is connected with described microprocessor unit and light source driver module respectively, and described PWM output unit receives microprocessor unit instruction, and the pwm pulse that output duty cycle is adjustable controls light source driver module Drazin inverse electric current.Brightness memory cell, be connected with described microprocessor unit, for storing default luminance value or the brightness value after upgrading, when this Intelligent fine light adjusting type tooth chair mouth lamp is opened, described luminescence unit is presented according to described default luminance value, after the brightness value of luminescence unit is adjusted, renewal is carried out to the brightness value after adjustment and stores.
Microprocessor unit control PWM output unit output pwm signal, light source driver module is regulated by the pwm signal of variable duty ratio, can regulation output electric current with realize to luminescence unit light modulation, effectively reduce the power consumption of luminescence unit, ensure that the normal working hours of luminescence unit.Extend the useful life of luminescence unit.
Described micro controller module selects STC15W404AS as main control chip, simple circuit, perfect in shape and function, under mouth lamp is operated in low-power consumption mode, collection of simulant signal adopts high-speed a/d conversion, high-performance interrupt processing mechanism, make mouth lamp power consumption lower, processing speed is faster, has performance and price two aspect advantage.
Brightness memory cell, for storing default luminance value, when this Intelligent fine light adjusting type tooth chair mouth lamp is opened, makes described luminescence unit present according to described default luminance value, which enhances the convenient degree of mouth lamp, add the reliability of mouth lamp.
Further, described mouth lamp also comprises: reminding module, is connected with described micro controller module, gives and prompting after the initial light modulation of main regulation module to luminescence unit reaches brightness value.Described reminding module is buzzer circuit.
Reminding module induction main regulation module changes the adjustment brightness of luminescence unit, and buzzer rings once simultaneously, rings a sound by 0 brightness to 30% brightness, rings a sound to 60% brightness, rings a sound to 100% brightness, then rings two sound to 0 brightness.
As in Figure 3-5, a kind of light-dimming method of Intelligent fine light adjusting type tooth chair mouth lamp, is applied in Intelligent fine light adjusting type tooth chair mouth lamp as above, comprises the steps:
A, Intelligent fine light adjusting type tooth chair mouth lamp are opened;
B, main regulation module launch infrared initial adjustment signal;
C, micro controller module control light source driver module according to reception infrared signal and carry out initial rough light modulation to luminescence unit;
D, fine adjustment module send intense adjustment signal to micro controller module;
E, micro controller module receive separates intense adjustment signal and exports meticulous regulable control signal to light source driver module;
F, light source driver module carry out correction adjustment to the brightness of luminescence unit.
Further, the light-dimming method of described Intelligent fine light adjusting type tooth chair mouth lamp, also comprises the steps:
A, Intelligent fine light adjusting type tooth chair mouth lamp are opened;
B, microprocessor unit upgrade luminescence unit brightness according to brightness cell stores default luminance value;
The signal of c, A/D signal acquisition module to manual regulation voltage input module detects in real time;
D, microprocessor unit have judged whether that the signal of telecommunication is inputted by A/D signal acquisition module, no, enter step c, are, enter next step;
E, start manual brightness and regulate to record and regulate direction, differentiate and regulate the incremental adjustments of direction whether to brightness value, no, enter step I, be, enter next step;
F, microprocessor unit differentiate whether manual adjustments predetermined luminance value is greater than luminescence unit present intensity value, no, return step c, are, enter next step;
G, microprocessor unit start gradual change and regulate, and luminescence unit brightness value are adjusted to manual adjustments predetermined luminance value, return step c after completing.
Further, described step I is that microprocessor unit differentiates whether manual adjustments predetermined luminance value is less than luminescence unit present intensity value, no, returns step c, is, enter step g.
Micro controller module is by successively differentiating A/D acquisition module image data, sampling should be carried out for the every 300ms of A/D acquisition module, after powering on, microprocessor unit upgrades luminescence unit brightness according to brightness cell stores default luminance value, after the brightness value of luminescence unit is adjusted, carry out renewal to the brightness value after adjustment to store, if luminescence unit brightness value adjusts again, just adjusted value is compared with it with the updated value stored before, judge that knob regulates action, obtain fine setting module to LED luminance control, and index intensity regulates direction.After knob obtains LED luminance control, microprocessor module differentiates the magnitude relationship of LED present intensity and knob predetermined luminance, and the brightness regulation direction marked before combining, indicate brightness regulation mark.Microprocessor module judges the brightness regulation branched program of required execution according to brightness regulation mark and carries out brightness regulation.Brightness regulation program has gradually bright, the gradually dark treatment that prevent jump in brightness, gradually target brightness value is adjusted to for significantly brightness change, microprocessor module has the process of gradual change in the light on and off process controlling luminescence unit, the every 100ms of microprocessor unit once, the ratio of adjustment 1%, little step-length adjustment pwm signal duty cycle signals, until adjust to target brightness value, effectively can ensure the useful life of luminescence unit and reach energy-conservation object.。
Further, also comprise initial light modulation step after the stepb, described initial light modulation step comprises:
The transmitting of b1, infrared carrier transmit module is carried out brightness three grades circulation to luminescence unit and is regulated carrier signal.
C1, IR signal reception module detect whether receive the carrier signal be reflected back in certain distance, no, return step b1, are, enter next step.
D1, demodulation module demodulate control signal to carrier signal and are sent to microprocessor unit.
E1, microprocessor unit start luminescence unit three grades of circulation light modulations.
F1, reminding module are pointed out to completing after brightness upgrades with luminescence unit, after completing, return step b1.
Further, in step g, described gradual change is adjusted to: once, the ratio of adjustment 1%, little step-length adjustment pwm signal duty cycle signals, until adjust to target brightness value for the every 100ms of microprocessor unit.
In step c1, described certain distance is less than 100mm for being greater than 40mm, and within the scope of this, IR signal reception module can receive the 38K carrier (boc) modulated signals that reverberation reflects.
Three grades of circulation light modulations described in step b1 are:
(1) microprocessor unit judges that the brightness value of brightness cell stores is whether between 0-1 level, is, PWM output unit controls light source driver module, and to upgrade light emission luminance value be 1 grade.No, enter next step,
(2) microprocessor unit judges that the brightness value of brightness cell stores is whether between 1-2 level, is, PWM output unit controls light source driver module, and to upgrade light emission luminance value be 2 grades.No, enter next step,
(3) microprocessor unit judges that the brightness value of brightness cell stores is whether between 2-3 level, is, PWM output unit controls light source driver module, and to upgrade light emission luminance value be 3 grades.No, enter next step,
(4) microprocessor unit judges whether the brightness value of brightness cell stores is 0, is, it is 0 that PWM output unit controls light source driver module renewal light emission luminance value.No, end process.
Described LED tri-grades of brightness cycle sets are specially one-level 30% brightness, secondary 60% brightness, three grade of 100% brightness.Mouth lamp IR signal reception resume module have employed digitized processing, demodulation module is by going out modulating wave to signal characteristic analyzing filtering 38K carrier wave demodulation, micro controller module judges that whether the modulating wave waveform received is consistent with the waveform sent, formulate that waveform that the analyzing and processing algorithm that adapts to it receives is consistent with the modulating wave that Single-chip Controlling infraluminescence pipe is launched is effective information, improve mouth lamp process accuracy and precision, ensure that the effective use performance of mouth lamp.
Above specific embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (10)
1. an Intelligent fine light adjusting type tooth chair mouth lamp, is characterized in that, comprising: main regulation module, fine adjustment module, micro controller module, light source driver module, luminescence unit and power module;
Described main regulation module and micro controller model calling, for the initial light modulation to luminescence unit;
Described fine adjustment module and micro controller model calling, for carrying out intense adjustment to the brightness of luminescence unit;
Described micro controller module, for receiving main regulation module and fine adjustment module input signal and outputting a control signal to light source driver module;
Described light source driver module and micro controller model calling, for receiving the control signal of micro controller module and carrying out brightness regulation to luminescence unit;
Described luminescence unit is connected with light source driver module, receives the conditioning signal of light source driver module input and carries out brightness renewal;
Described power module respectively with main regulation module, fine adjustment module, micro controller module is connected with light source driver module and provides power supply,
First described micro controller module accepts the dim signal of main regulation module, then accepts the dimming information that described fine adjustment module sends, and successively controls described light source driver module and starts and carry out brightness regulation to described luminescence unit.
2. Intelligent fine light adjusting type tooth chair mouth lamp according to claim 1, it is characterized in that, described main regulation module comprises:
Infrared carrier transmit module, with described micro controller model calling, for receiving micro controller module by signal and launching 38K carrier (boc) modulated signals luminescence unit being carried out to brightness three grades circulation adjustment;
IR signal reception module, for receiving the 38K carrier (boc) modulated signals that infrared carrier module is launched;
Demodulation module, with described IR signal reception model calling, carries out demodulation to the 38K carrier (boc) modulated signals that IR signal reception module receives and control signal is sent to micro controller module.
3. Intelligent fine light adjusting type tooth chair mouth lamp according to claim 2, it is characterized in that, described fine adjustment module comprises:
Manual adjustments voltage input module, manual adjustments input voltage and then intense adjustment is carried out to luminescence unit brightness;
A/D signal acquisition module, carries out A/D signals collecting to manually regulating and controlling voltage input module output voltage, and is transferred to micro controller module.
4. Intelligent fine light adjusting type tooth chair mouth lamp according to claim 3, it is characterized in that, described micro controller module comprises:
Microprocessor unit, is connected with described A/D signal acquisition module, for detecting the signal of A/D signal acquisition module input and luminescence unit brightness value being adjusted to the brightness value of manual adjustments;
Described microprocessor unit is also connected with demodulation module, the control signal that receiving demodulation module sends, and control signal is identified as brightness regulated signal, and carries out three grades of circulation light modulations to luminescence unit;
PWM output unit, is connected with described microprocessor unit and light source driver module respectively, and described PWM output unit receives microprocessor unit instruction, and the duty ratio exporting pwm pulse regulates light source driver module output current;
Brightness memory cell, be connected with described microprocessor unit, for storing default luminance value or the brightness value after upgrading, when this Intelligent fine light adjusting type tooth chair mouth lamp is opened, described luminescence unit is presented according to described default luminance value, after the brightness value of luminescence unit is adjusted, renewal is carried out to the brightness value after adjustment and stores.
5. Intelligent fine light adjusting type tooth chair mouth lamp according to claim 1, it is characterized in that, described mouth lamp also comprises:
Reminding module, is connected with described micro controller module, gives and prompting after the initial light modulation of main regulation module to luminescence unit reaches brightness value.
6. a light-dimming method for Intelligent fine light adjusting type tooth chair mouth lamp, is applied in the Intelligent fine light adjusting type tooth chair mouth lamp described in claim 1-5 any one, it is characterized in that, comprise the steps:
A, Intelligent fine light adjusting type tooth chair mouth lamp are opened;
B, main regulation module launch infrared initial adjustment signal;
C, micro controller module control light source driver module according to reception infrared signal and carry out initial light modulation to luminescence unit;
D, fine adjustment module send intense adjustment signal to micro controller module;
E, micro controller module receive intense adjustment signal and export meticulous regulable control signal to light source driver module;
F, light source driver module carry out correction adjustment to the brightness of luminescence unit.
7. a light-dimming method for Intelligent fine light adjusting type tooth chair mouth lamp, is applied in the Intelligent fine light adjusting type tooth chair mouth lamp described in claim 4-5 any one, it is characterized in that, comprise the steps:
A, Intelligent fine light adjusting type tooth chair mouth lamp are opened;
B, microprocessor unit upgrade luminescence unit brightness according to brightness cell stores default luminance value;
The signal of c, A/D signal acquisition module to manual regulation voltage input module detects in real time;
D, microprocessor unit have judged whether that the signal of telecommunication is inputted by A/D signal acquisition module, no, enter step c, are, enter next step;
E, start manual brightness and regulate to record and regulate direction, differentiate and regulate the incremental adjustments of direction whether to brightness value, no, enter step I, be, enter next step;
F, microprocessor unit differentiate whether manual adjustments predetermined luminance value is greater than luminescence unit present intensity value, no, return step c, are, enter next step;
G, microprocessor unit start gradual change and regulate, and luminescence unit brightness value are adjusted to manual adjustments predetermined luminance value, return step c after completing.
8. the light-dimming method of Intelligent fine light adjusting type tooth chair mouth lamp according to claim 7, is characterized in that, described step I is that microprocessor unit differentiates whether manual adjustments predetermined luminance value is less than luminescence unit present intensity value, no words, return step c, be, enter step g.
9. the light-dimming method of Intelligent fine light adjusting type tooth chair mouth lamp according to claim 7, it is characterized in that, also comprise initial light modulation step after the stepb, described initial light modulation step comprises:
The transmitting of b1, infrared carrier transmit module is carried out brightness three grades circulation to luminescence unit and is regulated carrier signal;
C1, IR signal reception module detect whether receive the carrier signal be reflected back in certain distance, no, return step b1, are, enter next step;
D1, demodulation module demodulate control signal to carrier signal and are sent to microprocessor unit;
E1, microprocessor unit start luminescence unit three grades of circulation light modulations;
F1, reminding module are pointed out to completing after brightness upgrades with luminescence unit, after completing, return step b1.
10. the light-dimming method of Intelligent fine light adjusting type tooth chair mouth lamp according to claim 7, it is characterized in that, in step g, described gradual change is adjusted to: the every 100ms of microprocessor unit once, adjust the ratio of 1% brightness, little step-length adjustment pwm signal duty cycle signals, until adjust to target brightness value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737097.4A CN104411068B (en) | 2014-12-05 | 2014-12-05 | A kind of Intelligent fine light adjusting type tooth chair mouth lamp and light-dimming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737097.4A CN104411068B (en) | 2014-12-05 | 2014-12-05 | A kind of Intelligent fine light adjusting type tooth chair mouth lamp and light-dimming method |
Publications (2)
| Publication Number | Publication Date |
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| CN104411068A true CN104411068A (en) | 2015-03-11 |
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| CN201410737097.4A Active CN104411068B (en) | 2014-12-05 | 2014-12-05 | A kind of Intelligent fine light adjusting type tooth chair mouth lamp and light-dimming method |
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