CN107148116A - A kind of LED adjusts controller circuitry - Google Patents
A kind of LED adjusts controller circuitry Download PDFInfo
- Publication number
- CN107148116A CN107148116A CN201710489731.0A CN201710489731A CN107148116A CN 107148116 A CN107148116 A CN 107148116A CN 201710489731 A CN201710489731 A CN 201710489731A CN 107148116 A CN107148116 A CN 107148116A
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- Prior art keywords
- resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- 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]
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
Controller circuitry is adjusted the invention discloses a kind of LED; including main power source, stand-by power supply, intelligent handover module, voltage protection module, monostable circuit, bistable circuit and on-off circuit; the main power source and stand-by power supply are both connected on intelligent handover module; intelligent handover module is also connected with voltage protection module, and voltage protection module is also respectively connected with monostable circuit, bistable circuit and on-off circuit.LED regulation controller circuitry of the present invention is powered by the way of civil power and battery dual power supply; auto-changeover control is carried out by relay; do not result in the long-term powered charging of battery and influence its life-span; and voltage protection module is provided with circuit; under-voltage damage can effectively be protected the circuit from; realize soft-touch control control using double D trigger simultaneously, thus there is service life length, it is easy to use and vdiverse in function.
Description
Technical field
The present invention relates to a kind of controller, specifically a kind of LED regulation controller circuitry.
Background technology
Semiconductor lighting is in recent years, gradually in the novel illumination technology of marketing, to be a kind of solid cold light source, have
Efficiently, many advantages, such as long lifespan, safety and environmental protection, small volume, high reliability, fast response time.Drive circuit is shone semiconductor
Most important for bright, LED with low, the radiating lampet advantage that consumes energy because be widely used in lighting apparatus, and illuminating is
Most important power mode in daily life, LED common at present is mostly complicated, and volume is big, and uses gear more
Switch carries out the regulation of brightness, and this mode dims brightness and fixed, in-convenience in use, and existing LED function is single, uses
Mechanical switch is controlled, and its life-span is shorter.
The content of the invention
Controller circuitry is adjusted it is an object of the invention to provide a kind of LED, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：
A kind of LED adjusts controller circuitry, including main power source, stand-by power supply, intelligent handover module, voltage protection mould
Block, monostable circuit, bistable circuit and on-off circuit, the main power source and stand-by power supply are both connected to intelligent handover module
On, intelligent handover module is also connected with voltage protection module, and voltage protection module is also respectively connected with monostable circuit, bistable circuit
And on-off circuit, monostable circuit is also respectively connected with bistable circuit and touch element, and bistable circuit is also connected with on-off circuit,
On-off circuit is also connected with light fixture.
It is used as the preferred scheme of the present invention：The main power source includes resistance-capacitance depressurization module and rectifier bridge T, resistance-capacitance depressurization module
Including resistance R5 and electric capacity C1, stand-by power supply is battery E, and intelligent handover module includes relay K and diode D1, and voltage is protected
Protecting module includes resistance R6, resistance R7 and triode V1, and monostable circuit includes chip IC 1, resistance R1 and electric capacity C2, bistable state
Circuit includes chip IC 2 and resistance R2, and on-off circuit includes unidirectional thyristor Q1, resistance R5 one end connection electric capacity C1 and 220V
Alternating current, touch element is Touching electrode M, the resistance R5 other end connection electric capacity C1 other end and rectifier bridge T port
1, rectifier bridge T the connection diode D1 of port 2 anode and relay K, diode D1 negative electrode connection relay K contact K-
1st, resistance R6 and triode V1 colelctor electrode, the resistance R6 other end connection diode D2 negative electrode and resistance R7, diode D2
Anode connecting triode V1 base stage, triode V1 emitter stage connection LED lamp H, the pin 5 of chip IC 1 and chip IC 1
Pin 14, relay K contact K-1 other end connection battery E positive pole, battery E negative pole connection relay K's is another
End, resistance R2, electric capacity C2, rectifier bridge T port 4, unidirectional brilliant lock Q1 negative electrode, the pin 6 of chip IC 1, the pin of chip IC 2
7th, the pin 8 of chip IC 2 and the pin 10 of chip IC 2, the connection resistance of pin 3 R1 of chip IC 1 other end and resistance R4, electricity
Hinder R4 other end connection Touching electrode M, the connection electric capacity of pin 4 C2 of chip IC 1 other end and resistance R2, chip IC 1
The connection of pin 1 resistance R2 the other end and the pin 11 of chip IC 2, the connection resistance R3 of pin 13 of chip IC 2, resistance R3's
Other end connection unidirectional thyristor Q1 control pole, the unidirectional thyristor Q1 anode connection LED lamp H other end.
It is used as the preferred scheme of the present invention：The relay K is normally-closed contact relay.
It is used as the preferred scheme of the present invention：The chip IC 1 and chip IC 2 are two inside CD4013 type double D triggers
Individual igniter module.
It is used as the preferred scheme of the present invention：The resistance R6 and resistance R7 constitute division module.
It is used as the preferred scheme of the present invention：The diode D2 is voltage-regulator diode.
It is used as the preferred scheme of the present invention：The triode V1 is N-type triode.
Compared with prior art, the beneficial effects of the invention are as follows：LED of the present invention regulation controller circuitry using civil power and
The mode of battery dual power supply is powered, and is carried out auto-changeover control by relay, is not resulted in battery powered for a long time
Charge and influence its life-span, and voltage protection module is provided with circuit, can effectively protect the circuit from under-voltage damage, together
Shi Liyong double D triggers realize soft-touch control control, thus there is service life length, it is easy to use and vdiverse in function.
Brief description of the drawings
Fig. 1 is the block diagram that LED adjusts controller circuitry；
Fig. 2 is the circuit diagram of an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1-2, the embodiment of the present invention, a kind of LED adjusts controller circuitry, including main power source, standby electricity
Source, intelligent handover module, voltage protection module, monostable circuit, bistable circuit and on-off circuit, the main power source and standby
Power supply is both connected on intelligent handover module, and intelligent handover module is also connected with voltage protection module, and voltage protection module is also distinguished
Monostable circuit, bistable circuit and on-off circuit are connected, monostable circuit is also respectively connected with bistable circuit and touch element,
Bistable circuit is also connected with on-off circuit, and on-off circuit is also connected with light fixture.
It is used as the preferred scheme of the present invention：The main power source includes resistance-capacitance depressurization module and rectifier bridge T, resistance-capacitance depressurization module
Including resistance R5 and electric capacity C1, stand-by power supply is battery E, and intelligent handover module includes relay K and diode D1, and voltage is protected
Protecting module includes resistance R6, resistance R7 and triode V1, and monostable circuit includes chip IC 1, resistance R1 and electric capacity C2, bistable state
Circuit includes chip IC 2 and resistance R2, and on-off circuit includes unidirectional thyristor Q1, resistance R5 one end connection electric capacity C1 and 220V
Alternating current, touch element is Touching electrode M, the resistance R5 other end connection electric capacity C1 other end and rectifier bridge T port
1, rectifier bridge T the connection diode D1 of port 2 anode and relay K, diode D1 negative electrode connection relay K contact K-
1st, resistance R6 and triode V1 colelctor electrode, the resistance R6 other end connection diode D2 negative electrode and resistance R7, diode D2
Anode connecting triode V1 base stage, triode V1 emitter stage connection LED lamp H, the pin 5 of chip IC 1 and chip IC 1
Pin 14, relay K contact K-1 other end connection battery E positive pole, battery E negative pole connection relay K's is another
End, resistance R2, electric capacity C2, rectifier bridge T port 4, unidirectional brilliant lock Q1 negative electrode, the pin 6 of chip IC 1, the pin of chip IC 2
7th, the pin 8 of chip IC 2 and the pin 10 of chip IC 2, the connection resistance of pin 3 R1 of chip IC 1 other end and resistance R4, electricity
Hinder R4 other end connection Touching electrode M, the connection electric capacity of pin 4 C2 of chip IC 1 other end and resistance R2, chip IC 1
The connection of pin 1 resistance R2 the other end and the pin 11 of chip IC 2, the connection resistance R3 of pin 13 of chip IC 2, resistance R3's
Other end connection unidirectional thyristor Q1 control pole, the unidirectional thyristor Q1 anode connection LED lamp H other end.
Relay K is normally-closed contact relay.Chip IC 1 and chip IC 2 are two inside CD4013 type double D triggers
Igniter module.Resistance R6 and resistance R7 composition division modules.Diode D2 is voltage-regulator diode.Triode V1 is the pole of N-type three
Pipe.
The present invention operation principle be：As a kind of embodiment of the present invention, its physical circuit is as shown in Fig. 2 220V cities
Piezoelectric voltage carries out rectification after the resistance-capacitance type reduction voltage circuit decompression that resistance R1 and electric capacity C1 is constituted, then in process rectifier bridge T, from
The DC voltage that rectifier bridge T port 2 is exported is added in relay K two ends, and relay K energization adhesives, its contact K-1 disconnects, electricity
Chip IC 1 and chip IC 2 in road are connected into a monostable circuit and a bistable circuit respectively.The effect of monostable circuit
It is that pulse stretching shaping is carried out to touch signal, it is ensured that each touch action is all reliable.Bistable circuit is used for driving IGCT
Q1.When human hand has a touch with M, pressure drop of the alternating current that human body is leaked on resistance R4, its positive half-cycle signal enters 3 pin IC1 ends, made
Monostable circuit upset enters its pin saltus step of output end 1 of transient state for high level, and this high level charges through R2 to C2, makes 4 pin current potentials
Rise, when rising to reset level, monostable circuit resets, and 1 pin recovers low level.So often touching a M, 1 pin is just defeated
Go out the positive pulse of a fixed width.This positive pulse will be applied directly to 11 pin CP2 ends, make bistable circuit upset once, chip
The pin level of IC2 output ends 13 just changes once.When 13 pin are high level, Q1 is open-minded, and light fixture H is lighted.When 13 pin export low electricity
Usually.Q1 loses trigger current, and light fixture H extinguishes.When running into civil power power-off, relay K disconnects, its contact K-1 adhesives, by storing
Battery E powers to circuit.Resistance R6, resistance R7 and triode V1 composition voltage protection modules, the electricity of resistance R6 and R7 dividing point
Pressure is influenceed by input voltage, under normal circumstances, and its voltage, which is enough breakdown diode D2, turns on triode V1, but works as
During existing undervoltage condition, the reduction of dividing point voltage is not enough to breakdown diode D2, triode V1 cut-offs, protect below circuit from
It is under-voltage to damage.
LED regulation controller circuitry of the present invention is powered by the way of civil power and battery dual power supply, is passed through
Relay carries out auto-changeover control, does not result in the long-term powered charging of battery and influences its life-span, and is provided with circuit
Voltage protection module, can effectively protect the circuit from under-voltage damage, while soft-touch control control is realized using double D trigger,
Therefore there is service life length, it is easy to use and vdiverse in function.
Claims (7)
1. a kind of LED adjusts controller circuitry, including main power source, stand-by power supply, intelligent handover module, voltage protection module,
Monostable circuit, bistable circuit and on-off circuit, it is characterised in that the main power source and stand-by power supply are both connected to intelligence and cut
Change the mold on block, intelligent handover module is also connected with voltage protection module, and voltage protection module is also respectively connected with monostable circuit, bistable
State circuit and on-off circuit, monostable circuit are also respectively connected with bistable circuit and touch element, and bistable circuit is also connected with out
Powered-down road, on-off circuit is also connected with light fixture.
2. LED according to claim 1 adjusts controller circuitry, it is characterised in that the main power source drops including capacitance-resistance
Die block and rectifier bridge T, resistance-capacitance depressurization module include resistance R5 and electric capacity C1, and stand-by power supply is battery E, intelligent handover module
Including relay K and diode D1, voltage protection module includes resistance R6, resistance R7 and triode V1, and monostable circuit includes
Chip IC 1, resistance R1 and electric capacity C2, bistable circuit include chip IC 2 and resistance R2, and on-off circuit includes unidirectional thyristor
Q1, resistance R5 one end connection electric capacity C1 and 220V alternating current, touch element is Touching electrode M, and the resistance R5 other end connects
Connect the electric capacity C1 other end and rectifier bridge T port 1, the rectifier bridge T connection diode D1 of port 2 anode and relay K, two
Pole pipe D1 negative electrode connection relay K contact K-1, resistance R6 and triode V1 colelctor electrode, resistance R6 other end connection
Diode D2 negative electrode and resistance R7, diode D2 anode connecting triode V1 base stage, triode V1 emitter stage connection
LED lamp H, the pin 5 of chip IC 1 and chip IC 1 pin 14, relay K contact K-1 other end connection battery E's
Positive pole, the battery E negative pole connection relay K other end, resistance R2, electric capacity C2, rectifier bridge T port 4, unidirectional brilliant lock Q1
Negative electrode, the pin 6 of chip IC 1, the pin 7 of chip IC 2, the pin 10 of the pin 8 of chip IC 2 and chip IC 2, chip IC 1
The connection resistance of the pin 3 R1 other end and resistance R4, resistance R4 other end connection Touching electrode M, the pin 4 of chip IC 1
The electric capacity C2 other end and resistance R2 is connected, the pin 1 of chip IC 1 connects the resistance R2 other end and the pin 11 of chip IC 2,
The connection of pin 13 the resistance R3, resistance R3 of chip IC 2 other end connection unidirectional thyristor Q1 control pole, unidirectional thyristor Q1
Anode connection LED lamp H the other end.
3. LED according to claim 2 adjusts controller circuitry, it is characterised in that the relay K is normally-closed contact
Relay.
4. LED according to claim 2 adjusts controller circuitry, it is characterised in that the chip IC 1 and chip IC 2
For two igniter modules inside CD4013 type double D triggers.
5. LED according to claim 2 adjusts controller circuitry, it is characterised in that resistance R6 and resistance the R7 groups
Into division module.
6. LED according to claim 2 adjusts controller circuitry, it is characterised in that the diode D2 is voltage stabilizing two
Pole pipe.
7. LED according to claim 2 adjusts controller circuitry, it is characterised in that the triode V1 is the pole of N-type three
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489731.0A CN107148116A (en) | 2017-06-24 | 2017-06-24 | A kind of LED adjusts controller circuitry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489731.0A CN107148116A (en) | 2017-06-24 | 2017-06-24 | A kind of LED adjusts controller circuitry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107148116A true CN107148116A (en) | 2017-09-08 |
Family
ID=59782131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489731.0A Pending CN107148116A (en) | 2017-06-24 | 2017-06-24 | A kind of LED adjusts controller circuitry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107148116A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174476A (en) * | 2017-12-23 | 2018-06-15 | 郑州默尔电子信息技术有限公司 | A kind of building interior applies LED light |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092456A (en) * | 2014-06-25 | 2014-10-08 | 金坛市龙京光电照明工程有限公司 | Touch type electronic switch |
| CN205648097U (en) * | 2016-04-25 | 2016-10-12 | 广州宏锦机电工程有限公司 | Dual supply touches LED lamp of adjusting luminance |
| CN205726546U (en) * | 2016-04-26 | 2016-11-23 | 广州市艾肯照明器具科技有限公司 | A kind of long-life photovoltaic LED lantern |
| CN106793300A (en) * | 2016-12-21 | 2017-05-31 | 黎翠和 | A kind of touch control switch of LED illumination lamp |
-
2017
- 2017-06-24 CN CN201710489731.0A patent/CN107148116A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092456A (en) * | 2014-06-25 | 2014-10-08 | 金坛市龙京光电照明工程有限公司 | Touch type electronic switch |
| CN205648097U (en) * | 2016-04-25 | 2016-10-12 | 广州宏锦机电工程有限公司 | Dual supply touches LED lamp of adjusting luminance |
| CN205726546U (en) * | 2016-04-26 | 2016-11-23 | 广州市艾肯照明器具科技有限公司 | A kind of long-life photovoltaic LED lantern |
| CN106793300A (en) * | 2016-12-21 | 2017-05-31 | 黎翠和 | A kind of touch control switch of LED illumination lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174476A (en) * | 2017-12-23 | 2018-06-15 | 郑州默尔电子信息技术有限公司 | A kind of building interior applies LED light |
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Application publication date: 20170908 |