CN104235668A - Voice reminding LED (Light Emitting Diode) table lamp - Google Patents
Voice reminding LED (Light Emitting Diode) table lamp Download PDFInfo
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- CN104235668A CN104235668A CN201410419565.3A CN201410419565A CN104235668A CN 104235668 A CN104235668 A CN 104235668A CN 201410419565 A CN201410419565 A CN 201410419565A CN 104235668 A CN104235668 A CN 104235668A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 discloses a voice reminding LED (Light Emitting Diode) table lamp. The voice reminding LED table lamp comprises a lamp holder, a bracket and a lamp head, wherein the lamp head is internally provided with an LED light emitting unit; the LED light emitting unit is connected with a constant-current light-dimming unit; the constant-current light-dimming unit is connected with a single chip microcomputer control unit and a direct-current power supply input unit; the single chip microcomputer control unit is connected with the direct-current power supply input unit and is further connected with an illumination intensity detection unit and a sound production unit. According to the voice reminding LED table lamp disclosed by the invention, the illumination intensity is detected by the illumination intensity detection unit; when the illumination intensity is higher or lower than a pre-set value of a single chip microcomputer, the single chip microcomputer automatically outputs a voice signal and sounds are produced by a loudspeaker SP1.
Description
Technical field
The present invention relates to a kind of lighting, is specifically a kind of voice reminder LED desk lamp.
Background technology
The desk lamp that LED desk lamp is exactly is light source with LED and light emitting diode, LED is a kind of solid-state semiconductor devices, and it directly can be converted into light electricity.
In LED desk lamp life, application is general, uses desk lamp or desk lamp brightness regulation is improper all can damage the eyes of user for a long time, therefore seems particularly important to the design of desk lamp.
Chinese patent 201110113160.3 discloses a kind of Novel eye-protection voice desk lamp, comprises desk lamp body and gauge tap, and it also comprises timer and voice prompting device.It is provided with opens timer and voice prompting device, remind user how to use when protecting eyes and to have a rest, but this Novel eye-protection voice desk lamp does not have intensity of illumination prompting function.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of voice reminder LED desk lamp, and when the preset value of intensity of illumination higher or lower than single-chip microcomputer, single-chip microcomputer just can export voice signal automatically, sends prompting sound by loudspeaker SP1.
For solving above-mentioned technical problem, technical scheme provided by the invention is: a kind of voice reminder LED desk lamp, comprise lamp socket, support and lamp holder, LED luminescence unit is provided with in described lamp holder, described LED luminescence unit is connected with constant-current dimming unit, described constant-current dimming unit is connected with single chip control unit and DC power source input units, and described single chip control unit is connected with DC power source input units, and described single chip control unit is also connected with intensity of illumination detecting unit and phonation unit.
Preferably, above-mentioned voice reminder LED desk lamp, wherein said single chip control unit comprises single-chip microcomputer U1, switch S 3, brightness increases button S1, brightness reduces button S2, crystal oscillator Y1, boosted switch unit and electric capacity C6, C7, C8, C9, C11, be connected with described single-chip microcomputer U1 the 6th pin after described electric capacity C11 is in parallel with described switch S 3, be connected with described single-chip microcomputer U1 the 1st pin after described electric capacity C6 and described brightness increase button S1 parallel connection, be connected with described single-chip microcomputer U1 the 2nd pin after described electric capacity C7 and described brightness reduce button S2 parallel connection, described crystal oscillator Y1 and described single-chip microcomputer U1 the 4th, 5th pin connects, described electric capacity C8 is connected with described single-chip microcomputer U1 the 4th, described electric capacity C9 is connected with single-chip microcomputer U1 the 5th pin.
Preferably, above-mentioned voice reminder LED desk lamp, wherein said described boosted switch unit comprises triode Q1, triode Q2, FET Q3, resistance R1, inductance L 3 and resistance R4, described triode Q1, the B pole of triode Q2 is connected with described single-chip microcomputer U1 the 9th pin, the C pole of described triode Q1 is connected with described power input unit, the E pole of described triode Q1 is connected with the E pole of described triode Q2, the C pole of described triode Q2 is connected with the power cathode of described DC power source input units, one end of described resistance R1 and described triode Q1, the E pole of triode Q2 connects, the other end of described resistance R1 is connected with the G pole of FET Q3, one end of described inductance L 3 is connected with the C pole of described triode Q1, the other end of described inductance L 3 and the D pole of described FET Q3, described constant-current dimming unit connects, the S pole of described FET Q3 is connected with described single-chip microcomputer U1 the 12nd pin and described resistance R4.
Preferably, above-mentioned voice reminder LED desk lamp, wherein said intensity of illumination detecting unit comprises photo resistance RS1, and described photo resistance RS1 is connected with described single-chip microcomputer U1 the 15th pin.
Preferably, above-mentioned voice reminder LED desk lamp, wherein said phonation unit comprises and is connected to loudspeaker SP1 between described single-chip microcomputer U1 the 10th pin and the 11st pin and electric capacity C10, described loudspeaker SP1 and described electric capacity C10 are connected in series.
Technique effect of the present invention is mainly reflected in: the intensity of illumination being detected luminescence unit by intensity of illumination detecting unit, when the preset value of the intensity of illumination of luminescence unit higher or lower than single-chip microcomputer U1 being detected, single-chip microcomputer just can export voice signal automatically, sends prompting sound by loudspeaker SP1.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is structural representation of the present invention.
Shown in figure: 1-lamp socket; 2-support; 3-lamp holder; 4-LED luminescence unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is told about further, be easier to make technical scheme of the present invention understand and grasp.
A kind of voice reminder LED desk lamp as shown in Figure 1, Figure 2, comprise lamp socket 1, support 2 and lamp holder 3, LED luminescence unit 4 is provided with in lamp holder 3, LED luminescence unit is connected with constant-current dimming unit, constant-current dimming unit is connected with single-chip microcomputer, single-chip microcomputer is connected with switch control unit and DC power source input units, and single-chip microcomputer is also connected with intensity of illumination detecting unit and phonation unit, and intensity of illumination detecting unit is arranged in lamp holder 3.
As shown in Figure 3, single chip control unit comprises single-chip microcomputer U1, switch S 3, brightness increases button S1, brightness reduces button S2, crystal oscillator Y1, boosted switch unit and electric capacity C6, C7, C8, C9, C11, be connected with single-chip microcomputer U1 the 6th pin after electric capacity C11 is in parallel with switch S 3, be connected with single-chip microcomputer U1 the 1st pin after electric capacity C6 and brightness increase button S1 parallel connection, be connected with single-chip microcomputer U1 the 2nd pin after electric capacity C7 and brightness reduce button S2 parallel connection, crystal oscillator Y1 and single-chip microcomputer U1 the 4th, 5th pin connects, electric capacity C8 is connected with single-chip microcomputer U1 the 4th, electric capacity C9 is connected with single-chip microcomputer U1 the 5th pin.
Boosted switch unit comprises triode Q1, triode Q2, FET Q3, resistance R1, inductance L 3 and resistance R4, described triode Q1, the B pole of triode Q2 is connected with single-chip microcomputer U1 the 9th pin, the C pole of triode Q1 is connected with power input unit, the E pole of triode Q1 is connected with the E pole of triode Q2, the C pole of triode Q2 is connected with the power cathode of DC power source input units, one end of resistance R1 and triode Q1, the E pole of triode Q2 connects, the other end of resistance R1 is connected with the G pole of FET Q3, one end of inductance L 3 is connected with the C pole of described triode Q1, the other end of inductance L 3 and the D pole of described FET Q3, constant-current dimming unit connects, the S pole of FET Q3 is connected with described single-chip microcomputer U1 the 12nd pin and resistance R4.
Intensity of illumination detecting unit comprises photo resistance RS1, and photo resistance RS1 is connected with single-chip microcomputer U1 the 15th pin, and photo resistance RS1 can detect the intensity of illumination of light emitting diode.
Phonation unit comprises and is connected to loudspeaker SP1 between single-chip microcomputer U1 the 10th pin and the 11st pin and electric capacity C10, loudspeaker SP1 and electric capacity C10 are connected in series.
Power input unit comprises DC12V power supply, integrated voltage-stabilized chip U2, electric capacity C2 and C5.DC12V direct current is from L1, L2 input, and the electric current after voltage stabilizing chip U2 voltage stabilizing is powered to single-chip microcomputer U1, and wherein electric capacity C2, C5 strobes.
Constant-current dimming unit comprises resistance R4, resistance R5, electric capacity C3, electric capacity C4 and inductance L 4, and inductance L 4 and electric capacity C3, C4 form filter circuit, filter the ripple of switching pulse, ensures that the intensity of illumination that light emitting diode sends is stablized.Resistance R4 flows through the electric current of FET Q3 for detecting; when current is excessive; the 12nd pin input voltage of single-chip microcomputer U1 will raise; after being elevated to setting value; unit sheet inner adjustment automatically PWM exports the duty cycle signals of the 9th pin; make the electric current flowing through Q3 no longer become large, thus reach the object of protection FET Q3.
User uses LED desk lamp in study, during reading, intensity of illumination is that 600 luxs are the most suitable, programme therefore can to single-chip microcomputer U1: if the intensity of illumination that photo resistance RS1 detects is higher than 600 luxs, single-chip microcomputer sends voice signal " intensity of illumination is enough, applicable you reading and writing "; If the intensity of illumination that photo resistance RS1 detects is lower than 600 luxs, single-chip microcomputer sends voice signal " intensity of illumination is inadequate, be not suitable for you reading and writing ".
During firm energising, acquiescence is in low level state, 9th pin no pulse pwm signal exports, user's flicking is power switch S3 once, chip the 9th pin just exports high-frequency PWM signal, by triode Q1 and Q2 amplification, drive FET Q3 to work through resistance R1, form THE BOOST SWITCHING CIRCUIT by FET Q3 and inductance L 3 and diode D1.Electric current flows into from L1, after protective tube F1, inductance L 3, diode D1, inductance L 4, then flows through light emitting diode D2, D3 ... D12, D13, flowed out by L2 finally by sample resistance R5.After pressing brightness increase button S1, PWM exports the 9th pin dutycycle and becomes large, causes flowing through light emitting diode D2, D3 ... the ER effect of D12, D13 is large, thus the luminous flux that light emitting diode sends increases, intensity of illumination grow.After pressing brightness reduction button S2, PWM exports the 9th pin dutycycle and diminishes, and causes flowing through light emitting diode D2, D3 ... the electric current of D12, D13 also diminishes, and the luminous flux that light emitting diode sends reduces, and intensity of illumination dies down.
User is in the intensity of illumination process of adjustable desk lamp, when photo resistance RS1 detects intensity of illumination higher than 600 lux, single-chip microcomputer just automatically can be exported voice signal and be sent by loudspeaker SP1 and remind sound " intensity of illumination is enough; be applicable to your reading and writing ", when photo resistance RS1 detects intensity of illumination lower than 600 lux, single-chip microcomputer just automatically can be exported voice signal and be sent by loudspeaker SP1 and remind sound " intensity of illumination is inadequate, be not suitable for you reading and writing ".
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a voice reminder LED desk lamp, comprise lamp socket, support and lamp holder, LE D luminescence unit is provided with in described lamp holder, described LED luminescence unit is connected with constant-current dimming unit, described constant-current dimming unit is connected with single chip control unit and DC power source input units, described single chip control unit is connected with DC power source input units, it is characterized in that: described single chip control unit is also connected with intensity of illumination detecting unit and phonation unit.
2. voice reminder LED desk lamp according to claim 1, it is characterized in that: described single chip control unit comprises single-chip microcomputer U1, power switch S3, brightness increases button S1, brightness reduces button S2, crystal oscillator Y1, boosted switch unit and electric capacity C6, C7, C8, C9, C11, be connected with described single-chip microcomputer U1 the 6th pin after described electric capacity C11 is in parallel with described switch S 3, be connected with described single-chip microcomputer U1 the 1st pin after described electric capacity C6 and described brightness increase button S1 parallel connection, be connected with described single-chip microcomputer U1 the 2nd pin after described electric capacity C7 and described brightness reduce button S2 parallel connection, described crystal oscillator Y1 and described single-chip microcomputer U1 the 4th, 5th pin connects, described electric capacity C8 is connected with described single-chip microcomputer U1 the 4th, described electric capacity C9 is connected with single-chip microcomputer U1 the 5th pin.
3. voice reminder LED desk lamp according to claim 2, it is characterized in that: described boosted switch unit comprises triode Q1, triode Q2, FET Q3, resistance R1, inductance L 3 and resistance R4, described triode Q1, the B pole of triode Q2 is connected with described single-chip microcomputer U1 the 9th pin, the C pole of described triode Q1 is connected with described power input unit, the E pole of described triode Q1 is connected with the E pole of described triode Q2, the C pole of described triode Q2 is connected with the power cathode of described DC power source input units, one end of described resistance R1 and described triode Q1, the E pole of triode Q2 connects, the other end of described resistance R1 is connected with the G pole of FET Q3, one end of described inductance L 3 is connected with the C pole of described triode Q1, the other end of described inductance L 3 and the D pole of described FET Q3, described constant-current dimming unit connects, the S pole of described FET Q3 is connected with described single-chip microcomputer U1 the 12nd pin and described resistance R4.
4. voice reminder LED desk lamp according to claim 1, is characterized in that: described intensity of illumination detecting unit comprises photo resistance RS1, and described photo resistance RS1 is connected with described single-chip microcomputer U1 the 15th pin.
5. voice reminder LED desk lamp according to claim 1, is characterized in that: described phonation unit comprises and is connected to loudspeaker SP1 between described single-chip microcomputer U1 the 10th pin and the 11st pin and electric capacity C10, described loudspeaker SP1 and described electric capacity C10 are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419565.3A CN104235668A (en) | 2014-08-21 | 2014-08-21 | Voice reminding LED (Light Emitting Diode) table lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419565.3A CN104235668A (en) | 2014-08-21 | 2014-08-21 | Voice reminding LED (Light Emitting Diode) table lamp |
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| CN104235668A true CN104235668A (en) | 2014-12-24 |
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| CN201410419565.3A Pending CN104235668A (en) | 2014-08-21 | 2014-08-21 | Voice reminding LED (Light Emitting Diode) table lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688303A (en) * | 2016-08-04 | 2018-02-13 | 王振喜 | A kind of torch |
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2014
- 2014-08-21 CN CN201410419565.3A patent/CN104235668A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688303A (en) * | 2016-08-04 | 2018-02-13 | 王振喜 | A kind of torch |
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Application publication date: 20141224 |