CN201513765U - Led lamp - Google Patents
Led lamp Download PDFInfo
- Publication number
- CN201513765U CN201513765U CN2009202057954U CN200920205795U CN201513765U CN 201513765 U CN201513765 U CN 201513765U CN 2009202057954 U CN2009202057954 U CN 2009202057954U CN 200920205795 U CN200920205795 U CN 200920205795U CN 201513765 U CN201513765 U CN 201513765U
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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 utility model relates to an LED lamp. The utility model relates to an illumination device, in particular to an illumination device adopting a luminous diode as the light source. Multiple groups of luminous diodes in parallel connection can be controlled to emit light simultaneously, or any group of the luminous diodes can be controlled to emit light independently; each group can be serially connected with and can light on a plurality of luminous diodes; the quantity of the groups of the luminous diodes in parallel connection is arbitrary; and the quantity of the luminous diodes in serial connection of each group is arbitrary; and an MCU is adopted to control a driving chip and can independently control each circuit of LED in parallel connection. The MCU can be used for directly controlling the duty ratio of the driving chip so as to regulate the light, the MCU also can be used for controlling a single circuit of LED lamp string, and the connection and disconnection of each circuit of lamp string are controlled in a dynamic scanning way; therefore, the total power of the lamp can be effectively reduced, and the heating of the LED lamp can be reduced so as to save the electricity and the energy.
Description
Technical field:
The utility model relates to lighting device, especially adopts the lighting device of light emitting diode as light source.
Background technology:
The LED lamp is relatively more popular at present energy-conserving product, and power consumption is lower, is used for substituting traditional incandescent lamp, fluorescent lamp.But general LED lamp, heating problem are difficult to solve, and the cost that solves heating problem is also high, the common LED lamp all is to adopt series parallel structure, goes wrong as a lamp, that cluster of lamps, ornamental is just bad so, fluorescent tube just has one section deceives, and the LED lamp of residue operate as normal can bear unnecessary electric current, bear for a long time and exceed rated current, will go wrong very soon, whole fluorescent tube is also just and then scrapped, and breaks down fully.
Summary of the invention:
The purpose of this utility model is to provide a kind of LED lamp of controlling many groups light emitting diode while in parallel or its any group isolated operation and light modulation.
The utility model can be controlled many groups light emitting diode while in parallel or its group isolated operation and light modulation arbitrarily; Can connect for every group and light several light emitting diodes; Realize in the following way electrically connecting: AC power is from 1,2 inputs of J1, and the L end connects fuse F1, and the F1 other end connects 1 end of C1, C2 one end and rectifier bridge BRIDGE1; The N end connects 3 ends of C1, the C2 other end and BRIDGE1; 2 ends of BRIDGE1 connect C3, C4, C5, the C6 positive pole, R1 one end, ZD1, the D3 negative pole, light emitting diode D10, D22, D34, D46, D58, the D70 positive pole, light emitting diode D10, D22, D34, D46, D58, D70 negative pole forward is respectively connected one group of light emitting diode to terminal light emitting diode D21, D33, D45, D57, D69, the D81 positive pole, D21, D33, D45, D57, D69, the D81 negative pole connects triode Q3 colelctor electrode respectively, the D4 negative pole, triode Q4 colelctor electrode, the D5 negative pole, triode Q5 colelctor electrode, the D6 negative pole, triode Q6 colelctor electrode, the D7 negative pole, triode Q7 colelctor electrode, the D8 negative pole, triode Q8 colelctor electrode, the D9 negative pole, C6 connects the D1 negative pole, the D2 positive pole, the D2 negative pole connects R2 one end, the R2 other end connects the D3 positive pole, the C7 positive pole, the R1 other end connects integrated circuit U3 one pin, R5 one end connects R6, the Q1 source electrode, the R6 other end connects 2 pin of U3,4 pin of deleting utmost point connection U3 of Q1, the drain electrode of Q1, connect inductance L 1 one ends, the ZD1 positive pole, the L1 other end connects the C5 negative pole, the ZD1 negative pole connects the C5 positive pole, R10 one end connects the Q2 colelctor electrode, 5 pin of U3, the R10 other end connects 2 pin of U1, the positive pole of 6 pin, the 7 pin C8 of U3, R9 one end connects 8 pin of U3, the base stage of Q2 connects R7, R8 one end, the R7 other end connects 3 pin of integrated circuit U2,3 pin of U1 connect 1 pin of U2, the end of C9, the C4 negative pole connects 1 pin of J3, the end of C2, the end of R4 connects R3 one, 3 pin of J3, the R3 other end connects 4 pin of U2,8 of U3,9,10,11,12, the corresponding respectively Q3 that connects of 13 pin, Q4, Q5, Q6, Q7, the base stage of Q8, Q3, Q4, Q5, Q6, Q7, the emitter stage of Q8 and D4, D5, D6, D7, D8, D9's is anodal in parallel, 1 pin of J2 connects RET, 2 pin of J2 connect the 2.1V power supply, 4 pin of J2 connect A13,5 pin of J2 connect A12, and 3 pin of J2 connect the C3 other end, 4 ends of BRIDGE1, the D1 positive pole, the C7 negative pole, the R5 other end, 3 pin of U3,1 pin of U1, the C8 negative pole, the R9 other end, 14 pin of U2, the R8 other end, the Q2 emitter stage, the C2 other end, the R4 other end, the 2 pin ground connection of J3.
The group number of light emitting diode in parallel is arbitrarily.
The number of every group of light emitting diode series connection is arbitrarily.
Its advantage of the utility model is:
Adopt MCU control to drive chip and the LED that can control each road parallel connection separately.Can carry out light modulation with the dutycycle of MCU direct controlling and driving chip, can also control each independent paths of LEDs lamp string, carry out the break-make of each street lamp string with the method for dynamic scan with MCU.Like this, just can effectively reduce the general power of lamp, reduce the heating of LED lamp, simultaneously a few paths of LEDs lamp of break-make string, can be according to circumstances, the lamp string that switches on and off is separated, can well-proportionedly distribute Homogeneouslly-radiating, the brightness of light is also very even, broken if run into an a certain cluster of lamps, ornamental, if separately break-make is a string, to other lamp string just without any influence; The lamp string is several to be together in parallel as one group if run into, and the electric current of the lamp string that breaks down so just is assigned to same group, and each is above the string.Owing to adopt dynamic scan, just can not occur not having all the time many electric currents to be added in those above lamp string always, be the equal of that immediate current increases, not very big just to the life-span influence of lamp.
Description of drawings:
Accompanying drawing 1 is an electrical schematic diagram of the present utility model.
The specific embodiment:
The utility model can be controlled many groups light emitting diode while in parallel or its group isolated operation and light modulation arbitrarily; Can connect for every group and light several light emitting diodes.With six groups, every group is example with 12 light emitting diode series connection: realize in the following way electrically connecting: AC power is from 1,2 inputs of J1, and the L end connects fuse F1, and the F1 other end connects 1 end of C1, C2 one end and rectifier bridge BRIDGE1 below; The N end connects 3 ends of C1, the C2 other end and BRIDGE1; 2 ends of BRIDGE1 connect C3, C4, C5, the C6 positive pole, R1 one end, ZD1, the D3 negative pole, light emitting diode D10, D22, D34, D46, D58, the D70 positive pole, light emitting diode D10, D22, D34, D46, D58, D70 negative pole forward is respectively connected one group of light emitting diode to terminal light emitting diode D21, D33, D45, D57, D69, the D81 positive pole, D21, D33, D45, D57, D69, the D81 negative pole connects triode Q3 colelctor electrode respectively, the D4 negative pole, triode Q4 colelctor electrode, the D5 negative pole, triode Q5 colelctor electrode, the D6 negative pole, triode Q6 colelctor electrode, the D7 negative pole, triode Q7 colelctor electrode, the D8 negative pole, triode Q8 colelctor electrode, the D9 negative pole, C6 connects the D1 negative pole, the D2 positive pole, the D2 negative pole connects R2 one end, the R2 other end connects the D3 positive pole, the C7 positive pole, the R1 other end connects integrated circuit U3 one pin, R5 one end connects R6, the Q1 source electrode, the R6 other end connects 2 pin of U3,4 pin of deleting utmost point connection U3 of Q1, the drain electrode of Q1, connect inductance L 1 one ends, the ZD1 positive pole, the L1 other end connects the C5 negative pole, the ZD1 negative pole connects the C5 positive pole, R10 one end connects the Q2 colelctor electrode, 5 pin of U3, the R10 other end connects 2 pin of U1, the positive pole of 6 pin, the 7 pin C8 of U3, R9 one end connects 8 pin of U3, the base stage of Q2 connects R7, R8 one end, the R7 other end connects 3 pin of integrated circuit U2,3 pin of U1 connect 1 pin of U2, the end of C9, the C4 negative pole connects 1 pin of J3, the end of C2, the end of R4 connects R3 one, 3 pin of J3, the R3 other end connects 4 pin of U2,8 of U3,9,10,11,12, the corresponding respectively Q3 that connects of 13 pin, Q4, Q5, Q6, Q7, the base stage of Q8, Q3, Q4, Q5, Q6, Q7, the emitter stage of Q8 and D4, D5, D6, D7, D8, D9's is anodal in parallel, 1 pin of J2 connects RET, 2 pin of J2 connect the 2.1V power supply, 4 pin of J2 connect A13,5 pin of J2 connect A12, and 3 pin of J2 connect the C3 other end, 4 ends of BRIDGE1, the D1 positive pole, the C7 negative pole, the R5 other end, 3 pin of U3,1 pin of U1, the C8 negative pole, the R9 other end, 14 pin of U2, the R8 other end, the Q2 emitter stage, the C2 other end, the R4 other end, the 2 pin ground connection of J3.The group number of light emitting diode in parallel is arbitrarily.The number of every group of light emitting diode series connection also is arbitrarily.The number of group number and every group of light emitting diode is unrestricted.
LED drives chip: SMD802.This constant-current driven chip can directly connect the voltage of 450V, and drive current can be regulated arbitrarily from 1 milliampere to 1 ampere, drive led quantity from one to hundreds of.Can provide 7.5V voltage to the outside, electric current is 1 milliampere.
MCU model: PIC16F630.Power consumption is very low, and inside carries the RC oscillator, is that electric current is 300 microamperes at 2.1V voltage.
HT7521-1 is a high input voltage, low-power consumption, low-dropout regulator, and the 7.5V voltage step-down of SMD802 is powered to PIC16F630 to 2.1V.
Civil power becomes the Rectified alternating current Rectified alternating current by socket J1 and gives LED lamp statements based on collusion electricity by the LFO circuit of SMD802 after the heap rectification of passing a bridge, the duty of SMD802 is by R5, R9, and L1 and C6, C7 determines.The electric current of R5 control output, the frequency of R9 control output.Under other parameter is determined, voltage and frequency that control R5 and R9 can regulate output within the specific limits.Especially, when R5 and R9 employing programmable resistance, the directly electric current and the frequency of dynamic adjustments output.Regulate electric current and frequency, also just regulated voltage and current.The dutycycle of the PWM of the tripod control SMD802 of PIC16F630 also can directly be controlled SMD802 work or standby.The LED lamp string that the 8-13 foot control system of PIC16F630 is different.The crus secunda of PIC16F630 connects the signal of wireless module.
J2 is the programming socket of PIC16F630, refresh routine, data etc., directly undertaken by this socket, MCU need not be taken off programming, Rectified alternating current is given wireless receiving module J3 power supply by the leakage current of capacitor C 4, J3 receives wireless or infrared remote control control signal, gives the MCU signal, and lamp is carried out direct light modulation and switch control.
Claims (3)
1. a LED lamp is characterized in that: can control many groups light emitting diode while in parallel or its group isolated operation and light modulation arbitrarily; Can connect for every group and light several light emitting diodes; Realize in the following way electrically connecting: AC power is from 1,2 inputs of J1, and the L end connects fuse F1, and the F1 other end connects 1 end of C1, C2 one end and rectifier bridge BRIDGE1; The N end connects 3 ends of C1, the C2 other end and BRIDGE1; 2 ends of BRIDGE1 connect C3, C4, C5, the C6 positive pole, R1 one end, ZD1, the D3 negative pole, light emitting diode D10, D22, D34, D46, D58, the D70 positive pole, light emitting diode D10, D22, D34, D46, D58, D70 negative pole forward is respectively connected one group of light emitting diode to terminal light emitting diode D21, D33, D45, D57, D69, the D81 positive pole, D21, D33, D45, D57, D69, the D81 negative pole connects triode Q3 colelctor electrode respectively, the D4 negative pole, triode Q4 colelctor electrode, the D5 negative pole, triode Q5 colelctor electrode, the D6 negative pole, triode Q6 colelctor electrode, the D7 negative pole, triode Q7 colelctor electrode, the D8 negative pole, triode Q8 colelctor electrode, the D9 negative pole, C6 connects the D1 negative pole, the D2 positive pole, the D2 negative pole connects R2 one end, the R2 other end connects the D3 positive pole, the C7 positive pole, the R1 other end connects integrated circuit U3 one pin, R5 one end connects R6, the Q1 source electrode, the R6 other end connects 2 pin of U3,4 pin of deleting utmost point connection U3 of Q1, the drain electrode of Q1, connect inductance L 1 one ends, the ZD1 positive pole, the L1 other end connects the C5 negative pole, the ZD1 negative pole connects the C5 positive pole, R10 one end connects the Q2 colelctor electrode, 5 pin of U3, the R10 other end connects 2 pin of U1, the positive pole of 6 pin, the 7 pin C8 of U3, R9 one end connects 8 pin of U3, the base stage of Q2 connects R7, R8 one end, the R7 other end connects 3 pin of integrated circuit U2,3 pin of U1 connect 1 pin of U2, the end of C9, the C4 negative pole connects 1 pin of J3, the end of C2, the end of R4 connects R3 one, 3 pin of J3, the R3 other end connects 4 pin of U2,8 of U3,9,10,11,12, the corresponding respectively Q3 that connects of 13 pin, Q4, Q5, Q6, Q7, the base stage of Q8, Q3, Q4, Q5, Q6, Q7, the emitter stage of Q8 and D4, D5, D6, D7, D8, D9's is anodal in parallel, 1 pin of J2 connects RET, 2 pin of J2 connect the 2.1V power supply, 4 pin of J2 connect A13,5 pin of J2 connect A12, and 3 pin of J2 connect the C3 other end, 4 ends of BRIDGE1, the D1 positive pole, the C7 negative pole, the R5 other end, 3 pin of U3,1 pin of U1, the C8 negative pole, the R9 other end, 14 pin of U2, the R8 other end, the Q2 emitter stage, the C2 other end, the R4 other end, the 2 pin ground connection of J3.
2. LED lamp as claimed in claim 1 is characterized in that: the group number of light emitting diode in parallel is arbitrarily.
3. LED lamp as claimed in claim 1 is characterized in that: the number of every group of light emitting diode series connection is arbitrarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202057954U CN201513765U (en) | 2009-09-30 | 2009-09-30 | Led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202057954U CN201513765U (en) | 2009-09-30 | 2009-09-30 | Led lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513765U true CN201513765U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202057954U Expired - Fee Related CN201513765U (en) | 2009-09-30 | 2009-09-30 | Led lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123775A (en) * | 2013-02-01 | 2013-05-29 | 惠州市兆光光电科技有限公司 | Dynamic scanning LED display screen and dynamic scanning display method |
| CN111796621A (en) * | 2020-07-16 | 2020-10-20 | 山东超越数控电子股份有限公司 | Constant current source control method based on linear voltage stabilizer and constant current source circuit |
-
2009
- 2009-09-30 CN CN2009202057954U patent/CN201513765U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123775A (en) * | 2013-02-01 | 2013-05-29 | 惠州市兆光光电科技有限公司 | Dynamic scanning LED display screen and dynamic scanning display method |
| CN103123775B (en) * | 2013-02-01 | 2015-08-26 | 惠州市兆光光电科技有限公司 | A kind of dynamic scan LED display and dynamic scanning displaying method |
| CN111796621A (en) * | 2020-07-16 | 2020-10-20 | 山东超越数控电子股份有限公司 | Constant current source control method based on linear voltage stabilizer and constant current source circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20110930 |