CN105657916A - Energy-saving lamp module - Google Patents
Energy-saving lamp module Download PDFInfo
- Publication number
- CN105657916A CN105657916A CN201610205012.7A CN201610205012A CN105657916A CN 105657916 A CN105657916 A CN 105657916A CN 201610205012 A CN201610205012 A CN 201610205012A CN 105657916 A CN105657916 A CN 105657916A
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- China
- Prior art keywords
- power supply
- cmos switch
- led
- supply chip
- chip microcomputer
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention relates to the technical field of intelligent electronic devices and provides an energy-saving lamp module. The energy-saving lamp module comprises a power supply chip, a single-chip microcomputer, at least one CMOS switch and at least one LED lamp, wherein the power supply output end of the power supply chip is connected with one end of the CMOS switch, and the other end of the CMOS switch is connected with the LED lamp; the signal control end of the single-chip microcomputer is respectively connected with the CMOS switch and the power supply chip; the single-chip microcomputer is used for sending out a first control signal to the power supply chip at the first moment to control the power supply chip to output constant voltage and first constant current; meanwhile, the single-chip microcomputer sends out a PWM signal to the CMOS switch to control the CMOS switch to perform PWM dimming on the LED lamp; the single-chip microcomputer is also used for sending out a second control signal to the power supply chip at the second moment to control the power supply chip to output constant voltage and second constant current; the second constant current is smaller than the first constant current.
Description
Technical field
The present invention relates to intelligent electronic device technical field, particularly relate to a kind of electricity-saving lamp module.
Background technology
Existing signal light control adopts the PWM N level carried out to control, it is achieved the multi-level adjustment of light, thus adapting to the demand of user.
Due to when individually adopting this PWM to be adjusted, the effective time of the unlatching of lamp is controlled by control wave, lamp is made to carry out glittering with certain dutycycle, it is effectively saved electricity, but, carry out, with certain dutycycle, the electric energy that glittering single-chip microcomputer needs consumption certain owing to controlling this light.
Therefore, although prior art individually adopting PWM mode control light be capable of the brightness of stepless regulating light, but, still can waste electricity.
Summary of the invention
The embodiment of the present invention, by providing a kind of electricity-saving lamp module, solves the technical problem that there is electricity waste in prior art, and then can effectively save electric energy.
In order to solve above-mentioned technical problem, the invention provides a kind of electricity-saving lamp module, including power supply chip, single-chip microcomputer, at least one cmos switch and at least one LED, the power output end of described power supply chip connects one end of at least one cmos switch described, the other end of at least one cmos switch described connects at least one LED described respectively, and the signal of described single-chip microcomputer controls end and is respectively connecting at least one cmos switch described and described power supply chip;
First moment, described single-chip microcomputer is for sending the first control signal to described power supply chip, export the first constant voltage and the first constant current controlling described power supply chip, simultaneously, described single-chip microcomputer sends the first pwm signal at least one cmos switch described respectively, at least one LED described carries out a PWM light modulation controlling at least one cmos switch described;
Second moment, described single-chip microcomputer is for sending the second control signal to described power supply chip, export the first constant voltage and the second constant current controlling described power supply chip, wherein, described second constant current is less than described first constant current, meanwhile, described single-chip microcomputer sends the second pwm signal at least one cmos switch described respectively, at least one LED described carries out the 2nd PWM light modulation controlling at least one cmos switch described;And/or
Second moment, described single-chip microcomputer is for sending the 3rd control signal to first group of cmos switch at least one cmos switch described, the 4th control signal is sent to second group of CMOS, the first group of LED connected to control described first group of cmos switch is lighted in Preset Time, the second group of LED controlling described second group of cmos switch connection is extinguished in described Preset Time, simultaneously, described single-chip microcomputer sends the 5th control signal to described power supply chip, exports the first constant voltage and the 3rd constant current controlling described power supply chip;
Finally make described at least one LED overall brightness in the second moment identical with the overall brightness in the first moment.
Further, 3rd moment, described single-chip microcomputer sends the 5th control signal to described power supply chip, export the second constant voltage and the 4th constant current controlling described power supply chip, described second constant voltage, less than described first constant voltage, carries out luminescence with preset emission intensity controlling at least one LED described.
Further, described single-chip microcomputer is additionally operable in statistics at least one LED described the lighting time of each LED.
Further, the feeder ear of described power supply chip receives DC source or alternating current power supply.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage:
Owing to adopting this electricity-saving lamp module, this electricity-saving lamp system includes power supply chip, single-chip microcomputer, at least one cmos switch and at least one LED, wherein, the power output end of this power supply chip connects one end of this at least one cmos switch, the other end of at least one cmos switch is respectively connecting at least one LED, the signal of this single-chip microcomputer controls end and is respectively connecting to this at least one cmos switch and this power supply chip, the brightness of LED is controlled by the pwm signal and power supply chip output electric current regulating cmos switch, or control to open part LED by cmos switch, control another part LED to close, regulate the output electric current of power supply chip simultaneously, or by controlling cmos switch, part LED is opened, another part LED is closed, control the pwm signal of cmos switch simultaneously, also control the output current value of power supply chip simultaneously, reach brightness constant, the purpose of saves energy.
2, owing to adopting control cmos switch a part of LED to be opened, another part LED is closed so that the life of LED.
3, owing to passing through to control the output voltage values of power supply chip, control the luminous intensity of LED, also extend the life-span of LED.
Accompanying drawing explanation
Fig. 1 is the module diagram of electricity-saving lamp module in the embodiment of the present invention.
Detailed description of the invention
The embodiment of the present invention, by providing a kind of electricity-saving lamp module, solves the technical problem that there is electricity waste in prior art, and then can effectively save electric energy.
In order to solve above-mentioned technical problem, below in conjunction with Figure of description and specific embodiment, technical scheme is described in detail.
A kind of electricity-saving lamp module that the embodiment of the present invention provides, as shown in Figure 1, include power supply chip 10, single-chip microcomputer 20, at least one COMS switch 30 and at least one LED, the power output end of this power supply chip 10 connects one end of this at least one cmos switch 30, the other end of this at least one cmos switch 30 connects this at least one LED 40 respectively, and the signal of this single-chip microcomputer 20 controls end and is respectively connecting at least one cmos switch 30 and power supply chip 10.
It is described in detail below by three embodiments:
Embodiment one
In the first moment, the first control signal is sent to this power supply chip 10 by single-chip microcomputer 20, export the first constant voltage and the first constant current controlling this power supply chip 10, simultaneously, this single-chip microcomputer 20 sends the first pwm signal to this at least one cmos switch respectively, with control this at least one cmos switch this at least one LED is carried out the oneth PWM light modulation, then, in the second moment, this single-chip microcomputer 20 sends the second control signal to this power supply chip 10, export the first constant voltage and the second constant current controlling this power supply chip 10, wherein, this second constant current is less than this first constant current, simultaneously, single-chip microcomputer 20 sends the second pwm signal at least one cmos switch 30 respectively, with control this at least one cmos switch 30 this at least one LED 40 is carried out the 2nd PWM light modulation.
Specifically, such as, first moment, this first constant current is 100mA, and this cmos switch 30 controls this LED 40 with the pwm signal of dutycycle 50% simultaneously, in the second moment, single-chip microcomputer 20 controls power supply chip 10, and to export the second constant current be 40mA, regulate cmos switch 30 simultaneously and control this LED 40 with the pwm signal of dutycycle 60%, therefore, it is possible to reach the brightness same with in the first moment. As such, it is possible to save a part of electric energy.
Embodiment two
First moment, this single-chip microcomputer 20 sends the first control signal to this power supply chip 10, export the first constant voltage and the first constant current controlling this power supply chip 10, simultaneously single-chip microcomputer 20 sends the first pwm signal to this at least one cmos switch 30 respectively, this at least one LED 40 carries out a PWM light modulation controlling this at least one cmos switch 30. then, second moment, this single-chip microcomputer 20 sends the 3rd control signal to first group of cmos switch 30 at least one cmos switch 30, the 4th control signal is sent to this second group of cmos switch 30, first group of LED to control this first group of cmos switch link is lighted in Preset Time, the second group of LED controlling second group of cmos switch connection is extinguished in this Preset Time, simultaneously, this single-chip microcomputer 20 sends the 5th control signal to this power supply chip 10, export the first constant voltage and the 3rd constant current controlling this power supply chip 10, finally make this whole LED overall brightness in the second moment identical with the overall brightness in the first moment.
Specifically, during the first moment, the output electric current of power supply chip 10 is 100mA, in the second moment, this single-chip microcomputer 20 can lighting time of each LED of analytic statistics, therefrom determine which LED uses the time long, which LED uses the time short, owing to life-span of lamp is just as, if able to determine that the time that one group of LED is already on organizes, less than another, the time that LED is lighted, so, just can pass through to control in a Preset Time, open this group LED, meanwhile, in this Preset Time, another is organized LED to extinguish, ensure that the lighting time of whole LED ensure that the similar time, in another way, without analytic statistics, directly can control one group of LED and light a period of time (half an hour), another group LED is extinguished during this period of time, then controlling this group LED again and extinguish another a period of time (other half an hour), meanwhile, another group LED is lighted, so take over the mode lighted, it helps extend the bulk life time of LED.Simultaneously, the 5th control signal is sent to this power supply chip 10 by single-chip microcomputer 20, this power supply chip 10 is made to export above-mentioned constant voltage, regulate output current value simultaneously, such as, output current value being reduced to 40mA so that when there being part LED to light, integral LED lamp brightness when also can guarantee that with the first moment is constant.
Embodiment three
First moment, single-chip microcomputer 20 sends the first control signal to power supply chip 10, export the first constant voltage and the first constant current controlling power supply chip 10, simultaneously single-chip microcomputer 20 sends the first pwm signal at least one cmos switch 30 respectively, at least one LED 40 carries out a PWM light modulation controlling this at least one cmos switch 30, second moment, single-chip microcomputer 20 sends the second control signal to power supply chip 10, export the first constant voltage and the second constant current controlling this power supply chip 10, this second constant current is less than this first constant current, this single-chip microcomputer 20 sends the second pwm signal to this at least one cmos switch 30 respectively, with control this at least one cmos switch 30 this at least one LED 40 is carried out the 2nd PWM light modulation, simultaneously, in this second moment, this single-chip microcomputer 20 sends the 3rd control signal to first group of cmos switch in this at least one cmos switch 30, the 4th control signal is sent to second group of cmos switch, the first group of LED connected to control first group of cmos switch is lighted in Preset Time, control second group of CMOS, the second group of LED connected to extinguish in Preset Time, simultaneously, this single-chip microcomputer 20 sends the 5th control signal to this power supply chip 10, export the first constant voltage and the 3rd constant current controlling this power supply chip 10, finally, make this at least one LED 40 overall brightness in the second moment identical with the overall brightness in the first moment.
Concrete, first moment, this cmos switch 30 controls this LED with the pwm signal of dutycycle 50%, now, the output electric current of power supply chip 10 is 100mA, second moment, first, being controlled power supply chip 10 by single-chip microcomputer 20, to export electric current be 40mA, regulate cmos switch simultaneously and control this LED 40 with the pwm signal of dutycycle 55%, controlled a part of cmos switch connection LED by single-chip microcomputer 20 to light, control the LED extinguishing that another part cmos switch connects, then, the output electric current controlling power supply chip 10 again is 30mA, finally made for the first moment constant with the brightness of the second moment LED.
Above-mentioned when being do not change LED brightness, it is possible to the scheme of the saves energy of employing, meanwhile, adopt above-mentioned scheme, it is possible to the service life of proper extension LED.
Certainly, in order to not affect the viewing effect of user, when suitably reducing the intensity of LED, the service life of this LED can be extended too, specifically, in the 3rd moment, the 5th control signal is sent to this power supply chip 10 by single-chip microcomputer 20, export the second constant voltage and the 4th constant current controlling this power supply chip 10, this second constant voltage is less than this first constant voltage, luminescence is carried out controlling this at least one LED 40 with preset emission intensity, therefore, by controlling the output voltage of power supply chip 10, regulate the intensity of LED, such as, the intensity regulating LED reaches the 60% of nominal strength, or reach the 70% of nominal strength, under such luminous intensity, the service life of LED can also be strengthened. simultaneously without the viewing effect affecting user.
In a particular embodiment, the feeder ear of this power module 10 can connect DC source or connect alternating current power supply.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment. So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art. So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. an electricity-saving lamp module, it is characterized in that, including power supply chip, single-chip microcomputer, at least one cmos switch and at least one LED, the power output end of described power supply chip connects one end of at least one cmos switch described, the other end of at least one cmos switch described connects at least one LED described respectively, and the signal of described single-chip microcomputer controls end and is respectively connecting at least one cmos switch described and described power supply chip;
First moment, described single-chip microcomputer is for sending the first control signal to described power supply chip, export the first constant voltage and the first constant current controlling described power supply chip, simultaneously, described single-chip microcomputer sends the first pwm signal at least one cmos switch described respectively, at least one LED described carries out a PWM light modulation controlling at least one cmos switch described;
Second moment, described single-chip microcomputer is for sending the second control signal to described power supply chip, export the first constant voltage and the second constant current controlling described power supply chip, wherein, described second constant current is less than described first constant current, meanwhile, described single-chip microcomputer sends the second pwm signal at least one cmos switch described respectively, at least one LED described carries out the 2nd PWM light modulation controlling at least one cmos switch described; And/or
Second moment, described single-chip microcomputer is for sending the 3rd control signal to first group of cmos switch at least one cmos switch described, the 4th control signal is sent to second group of cmos switch, the first group of LED connected to control described first group of cmos switch is lighted in Preset Time, the second group of LED controlling described second group of cmos switch connection is extinguished in described Preset Time, simultaneously, described single-chip microcomputer sends the 5th control signal to described power supply chip, exports the first constant voltage and the 3rd constant current controlling described power supply chip;
Finally make described at least one LED overall brightness in the second moment identical with the overall brightness in the first moment.
2. electricity-saving lamp module according to claim 1, it is characterized in that, 3rd moment, described single-chip microcomputer sends the 5th control signal to described power supply chip, export the second constant voltage and the 4th constant current controlling described power supply chip, described second constant voltage, less than described first constant voltage, carries out luminescence with preset emission intensity controlling at least one LED described.
3. electricity-saving lamp module according to claim 1, it is characterised in that described single-chip microcomputer is additionally operable in statistics at least one LED described the lighting time of each LED.
4. electricity-saving lamp module according to claim 1, it is characterised in that the feeder ear of described power supply chip receives DC source or alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205012.7A CN105657916B (en) | 2016-04-05 | 2016-04-05 | One kind energy-conservation lamp module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205012.7A CN105657916B (en) | 2016-04-05 | 2016-04-05 | One kind energy-conservation lamp module |
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| CN105657916A true CN105657916A (en) | 2016-06-08 |
| CN105657916B CN105657916B (en) | 2017-08-25 |
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| CN201610205012.7A Active CN105657916B (en) | 2016-04-05 | 2016-04-05 | One kind energy-conservation lamp module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109436544A (en) * | 2018-12-25 | 2019-03-08 | 南京工程学院 | A kind of novel cover of toothpaste that shines |
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| CN105657916B (en) | 2017-08-25 |
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