CN204465987U - A kind of AC/DC LED control circuit - Google Patents
A kind of AC/DC LED control circuit Download PDFInfo
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- CN204465987U CN204465987U CN201520161319.2U CN201520161319U CN204465987U CN 204465987 U CN204465987 U CN 204465987U CN 201520161319 U CN201520161319 U CN 201520161319U CN 204465987 U CN204465987 U CN 204465987U
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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 discloses a kind of AC/DC LED control circuit, comprise rectifier transformer module, relay J, chip IC 1 and triode V1, the input of described rectifier transformer module connects 220V alternating current, the contact J-1 of the output 1 contact resistance R1 of rectifier transformer module, resistance R2, lamp group L1, lamp group L2 and relay J.The utility model control circuit adopts LM321 chip composition constant current source power supply circuit and under-voltage indicating circuit, lighting voltage is not only made to stablize, and the situation of brownout is indicated, be convenient for people to take counter-measure early, be provided with alternating current-direct current handoff functionality in circuit simultaneously, can emergency service when running into power-off, this circuit has the advantage of easy to use, energy-conserving and environment-protective, emergency service and working stability.
Description
Technical field
The utility model relates to a kind of lighting circuit, specifically a kind of AC/DC LED control circuit.
Background technology
Because white light LEDs has low cost, high life, volume is little, brightness is high advantage, be applied to lighting field rapidly, especially out of doors in illumination, especially the acoustic control lamp constantly promoted in recent years, easy to use, saves energy, but the control circuit of most of LED lamp still adopts old structure in the market, function singleness, the electric situation running into circuit under-voltage can have a strong impact on lighting quality, and often run into powering-off state in rural area and remote districts, western part, bring inconvenience to the productive life of people.
Utility model content
The purpose of this utility model is the AC/DC LED control circuit providing a kind of diverse in function, stable output, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of AC/DC LED control circuit, comprise rectifier transformer module, relay J, chip IC 1 and triode V1, the input of described rectifier transformer module connects 220V alternating current, the output 1 contact resistance R1 of rectifier transformer module, resistance R2, lamp group L1, the contact J-1 of lamp group L2 and relay J, the other end of resistance R1 connects negative electrode and the relay J of diode D1, the other end of relay J connects the anode of diode D1 and the output 2 also ground connection of rectifier transformer module, the collector electrode of the other end connecting triode V1 of lamp group L1, the base stage of triode V1 connects the pin 4 of chip IC 3, the emitter contact resistance R6 of triode V1 and the pin 3 of chip IC 3, the other end ground connection of resistance R6, the other end of resistance R2 connects the anode of three end adjustable reference source Q1, the control pole of three end adjustable reference source Q1 and the pin 1 of chip IC 1, the pin 3 of chip IC 1 connects electric capacity C1, resistance R3 and resistance R4, the other end contact resistance R5 of electric capacity C1 ground connection, the other end of the pin 1 contact resistance R4 of chip IC 3, the other end of resistance R5 and the pin 1 of chip IC 4, the minus earth of three end adjustable reference source Q1, the other end contact resistance R9 of resistance R3 and the pin 1 of chip IC 2, the other end of resistance R9 connects the anode of diode D2 and the pin 4 of chip IC 2, the anode contact resistance R19 of diode D2, the other end ground connection of resistance R10, the pin 3 contact resistance R7 of chip IC 2, the other end of resistance R7 connects the sliding end of potentiometer RP1, the base stage of the pin 3 connecting triode V2 of chip IC 4, the emitter of the pin 3 connecting triode V2 of chip IC 4 and resistance R11, the other end ground connection of resistance R11, the other end of the J-1 that goes out to count out money of relay J connects electric capacity C2, resistance R12, the anode of diode D3 and switch S 1, the negative electrode contact resistance R8 of diode D3, the other end of resistance R8 connects the other end of electric capacity C2 and ground connection, the other end of resistance R12 connects the stiff end of potentiometer RP1, another stiff end of potentiometer RP1 connects the negative pole of storage battery E and ground connection, the other end of the positive pole connecting valve S1 of storage battery E, the model of described chip IC 1, chip IC 2, chip IC 3 and chip IC 4 is LM321.
As further program of the utility model: described lamp group L1 and lamp group L2 forms by the light-emitting diode of 6 1W.
As further program of the utility model: the rated voltage of described storage battery E is 24V.
As further program of the utility model: described diode D2 is green light LED, diode D3 is red light-emitting diode.
Compared with prior art, the beneficial effects of the utility model are: the utility model control circuit adopts LM321 chip composition constant current source power supply circuit and under-voltage indicating circuit, lighting voltage is not only made to stablize, and the situation of brownout is indicated, be convenient for people to take counter-measure early, simultaneously be provided with alternating current-direct current handoff functionality in circuit, can emergency service when running into power-off, this circuit has the advantage of easy to use, energy-conserving and environment-protective, emergency service and working stability.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of AC/DC LED control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of AC/DC LED control circuit, comprise rectifier transformer module, relay J, chip IC 1 and triode V1, the input of described rectifier transformer module connects 220V alternating current, the output 1 contact resistance R1 of rectifier transformer module, resistance R2, lamp group L1, the contact J-1 of lamp group L2 and relay J, the other end of resistance R1 connects negative electrode and the relay J of diode D1, the other end of relay J connects the anode of diode D1 and the output 2 also ground connection of rectifier transformer module, the collector electrode of the other end connecting triode V1 of lamp group L1, the base stage of triode V1 connects the pin 4 of chip IC 3, the emitter contact resistance R6 of triode V1 and the pin 3 of chip IC 3, the other end ground connection of resistance R6, the other end of resistance R2 connects the anode of three end adjustable reference source Q1, the control pole of three end adjustable reference source Q1 and the pin 1 of chip IC 1, the pin 3 of chip IC 1 connects electric capacity C1, resistance R3 and resistance R4, the other end contact resistance R5 of electric capacity C1 ground connection, the other end of the pin 1 contact resistance R4 of chip IC 3, the other end of resistance R5 and the pin 1 of chip IC 4, the minus earth of three end adjustable reference source Q1, the other end contact resistance R9 of resistance R3 and the pin 1 of chip IC 2, the other end of resistance R9 connects the anode of diode D2 and the pin 4 of chip IC 2, the anode contact resistance R19 of diode D2, the other end ground connection of resistance R10, the pin 3 contact resistance R7 of chip IC 2, the other end of resistance R7 connects the sliding end of potentiometer RP1, the base stage of the pin 3 connecting triode V2 of chip IC 4, the emitter of the pin 3 connecting triode V2 of chip IC 4 and resistance R11, the other end ground connection of resistance R11, the other end of the J-1 that goes out to count out money of relay J connects electric capacity C2, resistance R12, the anode of diode D3 and switch S 1, the negative electrode contact resistance R8 of diode D3, the other end of resistance R8 connects the other end of electric capacity C2 and ground connection, the other end of resistance R12 connects the stiff end of potentiometer RP1, another stiff end of potentiometer RP1 connects the negative pole of storage battery E and ground connection, the other end of the positive pole connecting valve S1 of storage battery E, the model of described chip IC 1, chip IC 2, chip IC 3 and chip IC 4 is LM321.
Lamp group L1 and lamp group L2 forms by the light-emitting diode of 6 1W.
The rated voltage of storage battery E is 24V.
Diode D2 is green light LED, and diode D3 is red light-emitting diode.
Operation principle of the present utility model is: circuit ON line voltage, and 220V line voltage becomes 24V direct voltage for operating voltage at different levels after rectifier transformer module.First, the pin 1 that 2.5V reference voltage sends into chip IC 1 is produced by three-terminal voltage-stabilizing a reference source Q1, it is also 2.5V that its 4th pin exports, through electric capacity Cl filtering again through resistance R4 and R5 dividing potential drop, 1.25V burning voltage is provided to be constant-current source reference voltage, send into the 1st pin of chip IC 3 grade of the 1st pin and chip IC 4 respectively, its output is amplified respectively through triode V1 and triode V2.Resistance R6 and R11 is connected with chip IC 3 the 3rd pin and chip IC 4 the 3rd pin again respectively, is made comparisons by anti-phase input and homophase " reference ", guarantees that two collector electrodes export the constant current of about 340mA, lights two groups of light-emitting diode L1 and L2 assembly respectively.When running into mains failure, relay J discharges, and its contact J-1 connects, and battery E automatically walks around and connects, and two groups of lamps continue to light, and all work as before, reach the object of emergency lighting.Here, chip IC 2 the 1st pin meets benchmark 2.5V, and the 3rd pin detects battery E by potentiometer RP1, once lower than 20V, chip IC 2 overturns, and output the 4th pin becomes high level, lights light-emitting diode D3, informs that battery E needs charging.
Claims (4)
1. an AC/DC LED control circuit, comprise rectifier transformer module, relay J, chip IC 1 and triode V1, it is characterized in that, the input of described rectifier transformer module connects 220V alternating current, the output 1 contact resistance R1 of rectifier transformer module, resistance R2, lamp group L1, the contact J-1 of lamp group L2 and relay J, the other end of resistance R1 connects negative electrode and the relay J of diode D1, the other end of relay J connects the anode of diode D1 and the output 2 also ground connection of rectifier transformer module, the collector electrode of the other end connecting triode V1 of lamp group L1, the base stage of triode V1 connects the pin 4 of chip IC 3, the emitter contact resistance R6 of triode V1 and the pin 3 of chip IC 3, the other end ground connection of resistance R6, the other end of resistance R2 connects the anode of three end adjustable reference source Q1, the control pole of three end adjustable reference source Q1 and the pin 1 of chip IC 1, the pin 3 of chip IC 1 connects electric capacity C1, resistance R3 and resistance R4, the other end contact resistance R5 of electric capacity C1 ground connection, the other end of the pin 1 contact resistance R4 of chip IC 3, the other end of resistance R5 and the pin 1 of chip IC 4, the minus earth of three end adjustable reference source Q1, the other end contact resistance R9 of resistance R3 and the pin 1 of chip IC 2, the other end of resistance R9 connects the anode of diode D2 and the pin 4 of chip IC 2, the anode contact resistance R19 of diode D2, the other end ground connection of resistance R10, the pin 3 contact resistance R7 of chip IC 2, the other end of resistance R7 connects the sliding end of potentiometer RP1, the base stage of the pin 3 connecting triode V2 of chip IC 4, the emitter of the pin 3 connecting triode V2 of chip IC 4 and resistance R11, the other end ground connection of resistance R11, the other end of the J-1 that goes out to count out money of relay J connects electric capacity C2, resistance R12, the anode of diode D3 and switch S 1, the negative electrode contact resistance R8 of diode D3, the other end of resistance R8 connects the other end of electric capacity C2 and ground connection, the other end of resistance R12 connects the stiff end of potentiometer RP1, another stiff end of potentiometer RP1 connects the negative pole of storage battery E and ground connection, the other end of the positive pole connecting valve S1 of storage battery E, the model of described chip IC 1, chip IC 2, chip IC 3 and chip IC 4 is LM321.
2. a kind of AC/DC LED control circuit according to claim 1, is characterized in that, described lamp group L1 and lamp group L2 forms by the light-emitting diode of 6 1W.
3. a kind of AC/DC LED control circuit according to claim 1, is characterized in that, the rated voltage of described storage battery E is 24V.
4. a kind of AC/DC LED control circuit according to claim 1, it is characterized in that, described diode D2 is green light LED, and diode D3 is red light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161319.2U CN204465987U (en) | 2015-03-20 | 2015-03-20 | A kind of AC/DC LED control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161319.2U CN204465987U (en) | 2015-03-20 | 2015-03-20 | A kind of AC/DC LED control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204465987U true CN204465987U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520161319.2U Expired - Fee Related CN204465987U (en) | 2015-03-20 | 2015-03-20 | A kind of AC/DC LED control circuit |
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| Country | Link |
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| CN (1) | CN204465987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630512A (en) * | 2020-12-07 | 2021-04-09 | 浙江中控技术股份有限公司 | FF bus under-voltage indicating circuit |
-
2015
- 2015-03-20 CN CN201520161319.2U patent/CN204465987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630512A (en) * | 2020-12-07 | 2021-04-09 | 浙江中控技术股份有限公司 | FF bus under-voltage indicating circuit |
| CN112630512B (en) * | 2020-12-07 | 2024-05-03 | 浙江中控技术股份有限公司 | FF bus undervoltage indicating circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |