CN102612200B - Decorative light powered by battery boosting - Google Patents
Decorative light powered by battery boosting Download PDFInfo
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- CN102612200B CN102612200B CN201110275296.4A CN201110275296A CN102612200B CN 102612200 B CN102612200 B CN 102612200B CN 201110275296 A CN201110275296 A CN 201110275296A CN 102612200 B CN102612200 B CN 102612200B
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- 239000013078 crystal Substances 0.000 claims abstract description 30
- 230000010355 oscillation Effects 0.000 claims abstract description 24
- 238000005034 decoration Methods 0.000 claims description 27
- 239000003990 capacitor Substances 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 10
- 230000003203 everyday effect Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a decorative light powered by battery boosting. The decorative light consists of a controller and LED (light-emitting diode) lamp strings, wherein the controller comprises a direct-current power supply, a key switch, a crystal oscillation access circuit and a single chip microcomputer; the direct-current power supply, the key switch and the crystal oscillation access circuit are connected with the single chip microcomputer respectively; the crystal oscillation access circuit is used for setting the instruction period of the single chip microcomputer; the key switch is used for controlling a clock period output by the crystal oscillation access circuit; the controller is also internally provided with a boosting circuit; an input end of the boosting circuit is connected with the direct-current power supply; a control end of the boosting circuit is connected with a pulse-width modulation end of the single chip microcomputer; and a lamp string at an output end of the boosting circuit is connected with the input ends of the LED lamp strings. The number of the lamp strings connected with the controller is large, so that the light emitting effect is good.
Description
Technical field
The present invention relates to a kind of lamp decoration, particularly relate to a kind of battery powered lamp decoration that adopts.
Background technology
Festival lamp decoration is to have increased celebrating atmosphere festivals or holidays, and the luminous of festival lamp decoration generally controlled by controller.
Publication number is that the Chinese utility model patent of CN20128409 discloses a kind of light controller box, for controlling the state of diode lamp luster, comprise protecgulum, bonnet, be placed in the printed circuit board (PCB) between protecgulum and bonnet, after be covered with the space of set battery, and be provided with the battery cover of barrier battery, be covered with a plurality of button holes before described; Button is placed in button hole, triggers printed board circuit switching diode lights and alter state when button is pressed.Utilize this utility model can make the control of light very convenient.The Limited Number of sort controller institute connecting lamp string, and need often to change battery.
Publication number is that the Chinese utility model patent of CN2694698 discloses a kind of Intelligent type lamp decoration electronic controller, comprise power circuit, control circuit and output circuit, it is characterized in that: described control circuit comprises a single-chip microcomputer microcontroller power supply circuit being formed by electric capacity and resistance being electrically connected with single-chip microcomputer and the crystal oscillating circuit being formed by electric capacity and crystal oscillator or the RC oscillating circuit being formed by electric capacity and resistance.Because control circuit part of the present invention adopts single-chip microcomputer as core control element, realize different functions by inputting different programs, thereby set arbitrarily the duty of lamp decoration product, greatly meet the demand in market, met client's appreciation demand higher level to lamp decoration product.The flash speed of bulb be selected or be regulated to the regulating circuit being electrically connected with single-chip microcomputer can by practical function, thereby realize bulb Multi-functional changeover.This lamp decoration electronic controller is connected with electrical network by power circuit, and not only circuit structure complexity also may be because the frequent starting of bulb causes adverse effect to electrical network.
Summary of the invention
For overcoming above-mentioned defect, object of the present invention: the lamp decoration that provides battery to boost power supply, the lamp string number that this controller connects is many, and illumination effect is good.
For reaching described object, technical scheme of the present invention is: battery boost power supply lamp decoration, formed by controller and LED lamp string, described controller comprises dc source, key switch, crystal oscillation place in circuit and single-chip microcomputer, described dc source, key switch, crystal oscillation place in circuit are connected with single-chip microcomputer respectively, described crystal oscillation place in circuit is used for setting the MCU Instruction cycle, and key switch is for controlling the clock cycle of crystal oscillation place in circuit output; In described controller, be also provided with booster circuit, the input of booster circuit is connected with described dc source, and the pulse width modulation end of the control end of booster circuit and described single-chip microcomputer is connected, and the output lamp string of booster circuit is connected with LED lamp string input.
Described crystal oscillation place in circuit comprise two ceramic disc capacitors in parallel with these two crystal oscillators that ceramic disc capacitor is connected.
Described booster circuit comprises the inductance, ceramic disc capacitor, fixed carbon resister, triode, diode and the electrochemical capacitor that are electrically connected.
As a further improvement on the present invention, the pulse that the pulse width modulation end output duty cycle of described single-chip microcomputer changes, dutycycle 0 and lightening LED lamp string in change between the required dutycycle of all LED lamps.Single-chip microcomputer utilization changes the duty of output pwm pulse and recently realizes saving battery power: take input voltage as 3xAA battery, voltage is 4.5V, and need boost to 75V pattern is example, according to formula V
oUT=V
iN/ (1-D), D is dutycycle, while needing output duty cycle to be 0.94PWM, circuit boosts and is output as 75V, needing normally to maintain 0.94 dutycycle makes circuit output can maintain 75V left and right, but the dutycycle of the programme-control of establishing in single-chip microcomputer output pwm pulse is not to be fixed as 0.94, but constantly conversion between 0 to 0.94, the speed of variation is less than 5 milliseconds, according to formula V
oUT=V
iN/ (1-D), the voltage of output becomes 4.5V and changes between 75V, there is like this quite a while output voltage lower than the required voltage of the normal work of lamp string, the electric current that produced is during this period of time very little, even substantially, there is no electric current, just substantially do not consume electric energy yet, so just be equivalent to the intermittent power supply of having closed, but because voltage change is very fast, rate of change is less than the retentivity time of eye of LED light in human eye, human eye cannot find that LED has phenomenon dimmed or that do not work at all, thereby has realized energy-conservation.
As a further improvement on the present invention, described single-chip microcomputer inside carries timer and frequency divider, described crystal oscillation place in circuit is set timer and is overflowed the time, and described Single-chip Controlling lamp decoration is closed after working 6 hours every day automatically, after 18 hours, automatically starts working again.If connect 8 LED at 3xAA battery, single-chip microcomputer continues the pulse that output duty cycle is 0.94, and battery can be supported whole line work general about 80 hours, the pulse that single-chip microcomputer output duty cycle changes, work in 6 hours situations in every day, can make 3Xaa battery connect 240LED, work 60 days.
As a further improvement on the present invention, be also provided with flicker control circuit in described controller, the flicker input of control circuit and the I/O mouth of single-chip microcomputer are connected, and the output of flicker control circuit and LED lamp series winding connect.Single-chip processor i/o mouth output PWM, and by the flicker of flicker control circuit driving LED.
Described flicker control circuit is made up of resistance and triode, the base stage composition base drive circuit of resistance connecting triode; The I/O mouth of described resistance and single-chip microcomputer is connected, and the colelctor electrode of triode connects LED lamp string.
Described key switch is point contact type structure, is provided with conductive silicon rubber layer on the inner face of key switch.Key switch opens and closes booster circuit for control single chip computer: when 1, booster circuit cuts out, controller input voltage is 4.5v, and output voltage is 4.5v; 2,, when booster circuit is opened, boost to 75V left and right.
Described key switch, also in the time that booster circuit is opened, is given single-chip microcomputer input signal, selects flashing mode; Often, by a switch, will realize LED flashing mode.
Therefore, beneficial effect of the present invention is:
Crystal oscillation place in circuit is set in controller, in the time of press of key switch, this crystal oscillation place in circuit vibrates, thereby make process chip send pulse signal, this pulse signal is via the processing of booster circuit, make the controller can the more lamp string of linking number, further increased the illumination effect of lamp string, make can play one's part to the full as the battery of power supply in controller.Existing lamp decoration is in use along with the slowly loss of battery, and LED can be dimmed gradually, until do not work; But the present invention, because be provided with booster circuit, as long as there is input voltage, just can keeps output voltage stabilization and change, therefore, this lamp decoration can not weaken LED light gradually, can keep each LED of whole lamp string to send lasting identical brightness, until battery power all exhausts.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the embodiment of the present invention 1;
Fig. 2 is the lamp decoration working time control flow chart of the embodiment of the present invention 1;
Fig. 3 a is the energy storage state equivalent circuit diagram of the embodiment of the present invention 2 booster circuits;
Fig. 3 b is the pressure-increasning state equivalent circuit diagram of the embodiment of the present invention 2 booster circuits;
Fig. 4 is the circuit diagram of the embodiment of the present invention 2;
Fig. 5 is the embodiment of the present invention 2 LED lamp string flicker control flow charts.
The specific embodiment
Be described further below in conjunction with drawings and Examples.
As shown in Figure 1, battery boost power supply lamp decoration 100, formed by controller 20 and LED lamp string 11, controller comprises dc source 1, key switch 3, crystal oscillation place in circuit 12 and single-chip microcomputer 4, dc source 1, key switch 3, crystal oscillation place in circuit 12 are connected with single-chip microcomputer 4 respectively, crystal oscillation place in circuit 12 is for setting the instruction cycle of single-chip microcomputer 4, the clock cycle that key switch 3 is exported for controlling crystal oscillation place in circuit 12; In controller 20, be also provided with booster circuit 13, the input 14 of booster circuit is connected with dc source 1, the pulse width modulation end 15 of the control end of booster circuit 13 and single-chip microcomputer is connected, and the output of booster circuit is connected with LED lamp string 11 inputs, to booster circuit transmitted signal.
Crystal oscillation place in circuit 12 comprises crystal oscillator 5 and two ceramic disc capacitors 6, after these two ceramic disc capacitors 6 are connected in parallel, is connected with the two ends of crystal oscillator 5.
In the time of 8 conducting of Single-chip Controlling triode, equivalent circuit is as Fig. 3 a, and at this moment, input voltage flows through inductance 7.Now diode 9 plays the effect that prevents that electric capacity 10 from discharging over the ground.Because input is direct current, so the electric current on inductance 7 increases so that certain ratio is linear, this ratio is relevant with inductance size.Along with inductive current increases, some energy in inductance, are stored.Be that power supply forms loop via inductance-triode, electric current is converted into magnetic energy and stores in inductance 7.In this process, electric capacity 10 powering loads.
In the time that single-chip microcomputer 4 is controlled triode 8 and ended, the induced electromotive force (the left negative right side just) on inductance 7 makes diode 9 forward bias and conducting, and inductance 7 discharges stored energy, and electric current reduces gradually.Magnetic energy in inductance on the left negative right side of inductance end is just being converted into electric energy, and this voltage is superimposed upon power positive end, forms loop via diode-load, reaches the object of boosting.In this process, the energy storage in inductance 7 and the common powering load of input voltage along polarity, and electric capacity 10 is charged, as shown in Figure 3 b. simultaneously
The pulse that pulse width modulation end 16 output duty cycles of single-chip microcomputer change, dutycycle 0 and lightening LED lamp string in change between the required dutycycle of all LED lamps.Single-chip microcomputer utilization changes the duty of output pwm pulse and recently realizes saving battery power: take input voltage as 3xAA battery, voltage is 4.5V, and need boost to 75V pattern is example, according to formula V
oUT=V
iN/ (1-D), D is dutycycle, while needing output duty cycle to be 0.94PWM, circuit boosts and is output as 75V, needing normally to maintain 0.94 dutycycle makes circuit output can maintain 75V left and right, but the dutycycle of the programme-control of establishing in single-chip microcomputer output pwm pulse is not to be fixed as 0.94, but constantly conversion between 0 to 0.94, the speed of variation is less than 0.1 second, according to formula V
oUT=V
iN/ (1-D), the voltage of output becomes 4.5V and changes between 75V, there is like this quite a while output voltage lower than the required voltage of the normal work of lamp string, the electric current that produced is during this period of time very little, even substantially, there is no electric current, just substantially do not consume electric energy yet, so just be equivalent to the intermittent power supply of having closed, but because voltage change is very fast, rate of change is less than the retentivity time of eye of LED light in human eye, human eye cannot find that LED has phenomenon dimmed or that do not work at all, thereby has realized energy-conservation.
Key switch 3 is point contact type structure, is provided with silicon rubber conductive layer on the inner face of key switch 3.Key switch 3 opens and closes booster circuit for control single chip computer: when 1, booster circuit cuts out, controller input voltage is 4.5v, and output voltage is 4.5v; 2,, when booster circuit is opened, boost to 75V left and right.
Single-chip microcomputer 4 inside carry timer and frequency divider, and crystal oscillation place in circuit 12 is set timer and overflowed the time.Single-chip microcomputer 4 controls after lamp decoration is worked 6 hours every day and automatically cuts out, and after 18 hours, automatically starts working again, and control flow is as Fig. 2.If connect 8 LED at 3xAA battery, single-chip microcomputer continues the pulse that output duty cycle is 0.94, and battery can be supported whole line work general about 80 hours, the pulse that single-chip microcomputer output duty cycle changes, work in 6 hours situations in every day, can make 3Xaa battery connect 240LED, work 60 days.
Embodiment 2
The present embodiment and upper example are basic identical, and institute's difference is, is also provided with flicker control circuit 17 in controller 20, and the flicker input of control circuit 17 and the I/O mouth of single-chip microcomputer are connected, and the output of flicker control circuit and LED lamp series winding connect.Single-chip processor i/o mouth output PWM, and by the flicker of flicker control circuit driving LED.
Flicker control circuit 17 is made up of resistance 19 and triode 21, the base stage composition base drive circuit 18 of resistance connecting triode, and the I/O mouth of resistance 19 and single-chip microcomputer is connected, and the colelctor electrode of triode 21 connects LED lamp string 11.In flashing circuit 17, be provided with two base drive circuits 18, can realize LED lamp string 6-8 kind flashing function.
Key switch 3, in this example also in the time that booster circuit 12 is opened, is given single-chip microcomputer 4 input signals, selects flashing mode; Often, by a switch, will realize LED flashing mode.As shown in Figure 5, single-chip microcomputer 4 electric after, Program reset, carries out initialize routine, after initialize routine is finished, program initiatively proceeds to main program execution, reads key switch state, the flicker pattern different according to the condition selecting of key switch.
Claims (9)
- Battery boost power supply lamp decoration, formed by controller and LED lamp string, described controller comprises dc source, key switch, crystal oscillation place in circuit and single-chip microcomputer, described dc source, key switch, crystal oscillation place in circuit are connected with single-chip microcomputer respectively, described crystal oscillation place in circuit is used for setting the MCU Instruction cycle, and key switch is for controlling the clock cycle of crystal oscillation place in circuit output; It is characterized in that, in described controller, be also provided with booster circuit, the input of booster circuit is connected with described dc source, and the pulse width modulation end of the control end of booster circuit and described single-chip microcomputer is connected, and the output lamp string of booster circuit is connected with LED lamp string input; Described single-chip microcomputer inside carries timer and frequency divider, and described crystal oscillation place in circuit is set timer and overflowed the time, and described Single-chip Controlling lamp decoration is closed after working 6 hours every day automatically, after 18 hours, automatically starts working again.
- Described battery according to claim 1 boost power supply lamp decoration, it is characterized in that, described crystal oscillation place in circuit comprise two ceramic disc capacitors in parallel with these two crystal oscillators that ceramic disc capacitor is connected.
- Described battery according to claim 1 boost power supply lamp decoration, it is characterized in that, described booster circuit comprises the inductance, ceramic disc capacitor, fixed carbon resister, triode, diode and the electrochemical capacitor that are electrically connected.
- 4. the described battery according to claim 1 lamp decoration of power supply that boosts, is characterized in that, the pulse that the pulse width modulation end output duty cycle of described single-chip microcomputer changes, dutycycle 0 and lightening LED lamp string in change between the required dutycycle of all LED lamps.
- Described battery according to claim 1 boost power supply lamp decoration, it is characterized in that, in described control circuit, be also provided with flicker control circuit, the flicker input of control circuit and the I/O mouth of single-chip microcomputer are connected, and the output of flicker control circuit and LED lamp series winding connect.
- Described battery according to claim 1 boost power supply lamp decoration, it is characterized in that, described key switch is point contact type structure, is provided with conductive silicon rubber layer on the inner face of key switch, key switch for control single chip computer open and close booster circuit.
- 7. the described battery according to claim 4 lamp decoration of power supply that boosts, is characterized in that, described dutycycle 0 and lightening LED lamp string in the speed that changes between the required dutycycle of all LED lamps be less than 5 milliseconds.
- 8. the described battery according to claim 5 lamp decoration of power supply that boosts, is characterized in that, described flicker control circuit is made up of resistance and triode, the base stage of resistance connecting triode composition base drive circuit; The I/O mouth of described resistance and single-chip microcomputer is connected, and the colelctor electrode of triode connects LED lamp string.
- 9. the described battery according to claim 8 lamp decoration of power supply that boosts, is characterized in that, described key switch is also in the time that booster circuit is opened, and gives single-chip microcomputer input signal, selects flashing mode.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110275296.4A CN102612200B (en) | 2011-09-16 | 2011-09-16 | Decorative light powered by battery boosting |
| CA2837256A CA2837256C (en) | 2011-05-25 | 2011-11-28 | Decorative lighting supplied by battery-boost |
| PCT/CN2011/083089 WO2012159431A1 (en) | 2011-05-25 | 2011-11-28 | Decorative lighting supplied by battery boost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110275296.4A CN102612200B (en) | 2011-09-16 | 2011-09-16 | Decorative light powered by battery boosting |
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| Publication Number | Publication Date |
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| CN102612200A CN102612200A (en) | 2012-07-25 |
| CN102612200B true CN102612200B (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110275296.4A Active CN102612200B (en) | 2011-05-25 | 2011-09-16 | Decorative light powered by battery boosting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104378868A (en) * | 2013-08-16 | 2015-02-25 | 浙江世宸工贸有限公司 | System and method for prolonging service life of battery pack in LED lamp |
| CN104955253B (en) * | 2014-03-25 | 2019-04-16 | 海洋王（东莞）照明科技有限公司 | A kind of fluorescent lamp drive circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990709Y (en) * | 2006-12-06 | 2007-12-12 | 叶青 | Holiday lamp controller |
| CN202334987U (en) * | 2011-09-16 | 2012-07-11 | 张秀红 | Decorative lighting using battery for step-up power supply |
| CN202334978U (en) * | 2011-05-25 | 2012-07-11 | 张国广 | Multifunctional holiday lamp battery case |
-
2011
- 2011-09-16 CN CN201110275296.4A patent/CN102612200B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990709Y (en) * | 2006-12-06 | 2007-12-12 | 叶青 | Holiday lamp controller |
| CN202334978U (en) * | 2011-05-25 | 2012-07-11 | 张国广 | Multifunctional holiday lamp battery case |
| CN202334987U (en) * | 2011-09-16 | 2012-07-11 | 张秀红 | Decorative lighting using battery for step-up power supply |
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| CN102612200A (en) | 2012-07-25 |
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Commission number: 4W104321 Conclusion of examination: On the basis of the patentee to submit 07 2016 27 October claim 1-8 to maintain 201110275296.4 patents (effectively delete the original claim 1, the original claim 4 as a new independent claim 1, other subordinate claims do combined modification). Decision date of declaring invalidation: 20161103 Decision number of declaring invalidation: 30404 Denomination of invention: Decorative light powered by battery boosting Granted publication date: 20140521 Patentee: Zhang Xiuhong |
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