CN207399578U - A kind of Portable LED lamp driving power - Google Patents
A kind of Portable LED lamp driving power Download PDFInfo
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- CN207399578U CN207399578U CN201721524761.2U CN201721524761U CN207399578U CN 207399578 U CN207399578 U CN 207399578U CN 201721524761 U CN201721524761 U CN 201721524761U CN 207399578 U CN207399578 U CN 207399578U
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
A kind of Portable LED lamp driving power; it is made of charge protector, LED light power output circuit and USB power source output circuit; charge protector, LED light power output circuit are connected by conducting wire with USB power source output circuit and installed on circuit boards, and circuit board is mounted in the housing of LED lamp.The utility model in the charge state with after charging; LED light power output circuit and USB power source output circuit can work normally; in use; user is by operating first point dynamic formula power switch of SCM peripheral element of charge protector; charge protector can be controlled to export to the size of current of LED lamp; so as to change the luminosity of LED light, energy saving purpose is issued in suitable illuminance.Under the effect of USB power source output circuit, USB power source output circuit boosts the 3.7V voltages that charge protector inputs, and exports stable 5V DC power supplies, and the digital product that USB socket is inserted into for power input provides suitable charging and working power.
Description
Technical field
The utility model is related to power sourcing equipments, particularly a kind of Portable LED lamp driving power.
Background technology
It is widely applied with the LED lamp of storage battery power supply due to the use of convenient, energy saving.It is but existing portable
LED lamp is exactly the luminosity that can not adjust LED light in use, but also it is straight not have output 5V there are a drawback
The function that galvanic electricity source powers to digital product (such as mobile phone), thus exist centainly in the application of existing Portable LED lamp
Limitation.
Utility model content
In order to overcome existing Portable LED lamp without suitable driving power, LED lamp is in use, LED can not be realized
The light modulation of lamp, the drawbacks of thus bringing the shortcomings that power-consuming and suitable voltage power source charges cannot be provided to digital product, this reality
By the use of the new core component provided using microcontroller as battery charging circuit in LED lamp, list can be passed through in use
Piece machine peripheral power supply switch realizes the voltage levels for adjusting the output to LED light power input, moreover it is possible to will by booster circuit
3.7V voltages are boosted and are exported through USB jack, so as to when LED lamp uses can also be digital product charge one kind just
Take formula LED light driving power.
Technical solution is used by the utility model solves its technical problem：
A kind of Portable LED lamp driving power, it is characterised in that by charge protector, LED light power output circuit and
USB power source output circuit is formed, and charge protector, LED light power output circuit and USB power source output circuit are mounted on circuit
On plate, circuit board is mounted in the housing of LED lamp, and the power input both ends of charge protector and LED lamp are mating
The positive and negative polarities power output end that 220V AC powers turn 12V Switching Power Supplies is connected respectively by conducting wire, charge protector
First signal output part is connected with the signal input part of LED light power output circuit by conducting wire, and the second of charge protector
Signal output part is connected with the signal input part of USB power source output circuit by conducting wire, the positive and negative polarities electricity of charge protector
Source output terminal is connected with the accumulator positive and negative polarities inside LED lamp by conducting wire respectively, the battery positive voltage inside LED lamp
Connected respectively with LED light power output circuit cathode power supply input terminal, USB power source output circuit cathode power supply input terminal by conducting wire
It connects, LED light cathode power supply input terminal is connected by conducting wire in the cathode power supply output terminal and LED lamp of LED light power output circuit
It connects, LED light negative power supply input terminal is connected by conducting wire in the negative power supply output terminal and LED lamp of LED light power output circuit
It connecing, the cathode power supply output terminal of USB power source output circuit is connected with the USB power source socket anode in LED lamp by conducting wire,
The negative power supply output terminal of USB power source output circuit is connected with the USB power source socket cathode in LED lamp by conducting wire, LED light
Two data input pins of USB power source socket on tool are connected with the data output end of USB power source output circuit by conducting wire respectively,
The feedback signal input terminal of charge protector is connected with the feedback signal output of USB power source output circuit by conducting wire.
The charge protector is by diode, resistance, polarity free capacitor, NPN triode, light emitting diode, polarity electricity
Appearance, power switch, microcontroller, battery protection integrated circuit, power field effect pipe composition, are connected therebetween by circuit board wiring,
First resistance one end is connected with first polarity free capacitor one end, first NPN triode collector, first tri- pole of NPN
Pipe emitter and second polarity free capacitor one end, the 3rd polarity free capacitor one end connection, first polarity free capacitor are another
End and second polarity free capacitor other end, the 3rd polarity free capacitor other end, first NPN transistor base ground connection, the
Two resistance one end are connected with first light emitting diode anode, and the 3rd resistance one end and second light emitting diode anode connect
It connects, first light emitting diode cathode and second light emitting diode cathode ground connection, the 4th resistance one end and the 3rd shine
Diode cathode connects, and the 5th resistance one end is connected with the 4th light emitting diode cathode, the 6th resistance one end and the 5th
The connection of light emitting diode cathode, second resistance other end are connected with 3 foot of PB0 ports of microcontroller, and the 3rd resistance is another
End is connected with 2 foot of PB1 ports of microcontroller, and the 4th resistance other end is connected with 1 foot of PB2 ports of microcontroller, the 5th electricity
The resistance other end is connected with 16 foot of PB3 ports of microcontroller, and the 6th resistance other end is connected with 15 foot of PB4 ports of microcontroller,
7th resistance one end is connected with 5 foot of PA2 ends, the second NPN triode collector of microcontroller, the 8th resistance one end and
Nine resistance one end, the base stage of second NPN triode connect, the 9th resistance other end and second NPN triode transmitting
Pole is grounded, 7 foot of PA0 ports of microcontroller and the tenth resistance one end connection, the tenth resistance other end and the 11st resistance
One end, the 12nd resistance one end, the connection of the 4th polarity free capacitor one end, the 11st resistance other end and the 4th it is electrodeless
Property the capacitance other end, microcontroller the 10 foot connection of PA7 ports, 8 foot of VSS ports of single motor connects with the cathode of polar capacitor,
9 foot of vdd terminal mouth of microcontroller is connected with polar capacitor anode, 13 foot of microcontroller PA4 ports and the 13rd resistance one end connection,
10 foot of microcontroller PA6 ports and the 14th resistance one end connection, the 13rd resistance other end, the 14th resistance other end
It is connected respectively with two point dynamic formula power switch one end, two point dynamic formula power switch other end ground connection, battery protection integrates electricity
2 foot of road V- ports and the 15th resistance one end connection, 1 foot of battery protection integrated circuit DOUT ports and first power field effect
Should 6 foot of G1 ports of pipe, 6 foot of G1 ports of second power field effect pipe, 6 foot of G1 ports of the 3rd power field effect pipe connect
It connects, 1 foot of S1 ports, second power field effect of 6 foot of battery protection integrated circuit GND ports and first power field effect pipe
1 foot of S1 ports of pipe, 1 foot of S1 ports of first power field effect pipe, the 5th polarity free capacitor one end connection, the 5th nothing
The polar capacitor other end and the 16th resistance one end, 5 foot of the vdd terminal mouth connection of battery protection integrated circuit, battery protection collection
Into the G2 ports 4 of 4 foot of G2 ports of 3 foot of circuit COUT ports and first power field effect pipe, second power field effect pipe
The G2 ports 4 foot connection of foot, the 3rd power field effect pipe, 2 foot of D1/D2 ports and 5 feet of first power field effect pipe and
2 foot of D1/D2 ports and 5 feet of second power field effect pipe, 2 foot of D1/D2 ports of the 3rd power field effect pipe and 5 feet connect
It connects, 3 foot of S2 ports of the 15th resistance other end and first power field effect pipe, the S2 ports of second power field effect pipe
The S2 ports 3 foot ground connection of 3 feet, the 3rd power field effect pipe, the 3rd polarity free capacitor one end and the 7th resistance other end,
9 foot of the vdd terminal mouth connection of 4th light emitting diode anode, microcontroller, diode cathode and first the resistance other end, the tenth
Two resistance other ends, the 16th resistance other end connection, diode cathode and the 8th resistance other end connection.
The microcontroller model of the charge protector is HT66F003, and battery protection integrated circuit model is DW01, work(
Rate field-effect tube model is S8205A.
The LED light power output circuit is made of field-effect tube, resistance, polarity free capacitor, passes through circuit board cloth therebetween
Line connects, and first resistance one end is connected with the grid of the 3rd resistance one end, field-effect tube, the drain electrode of field-effect tube and second
The connection of polarity free capacitor one end, the source electrode of field-effect tube and second polarity free capacitor other end, the 5th resistance one end, the
Three resistance other ends, the 4th resistance one end, the connection of second resistance one end, second resistance other end and first it is electrodeless
Property the connection of capacitance one end, first polarity free capacitor other end and the 4th resistance other end, the 5th resistance other end ground connection.
The USB power source output circuit is by inductance, resistance, polarity free capacitor, polar capacitor, diode, the integrated electricity of boosting
Road forms, and is connected therebetween by circuit board wiring, and boosting integrated circuit model is LC3312, first polarity free capacitor one end and
Second polarity free capacitor one end, the ViN ports 5 feet connection of inductance one end, the integrated circuit that boosts, first resistance one end and steady
The ILIM of 4 foot of CE ports of boosting integrated circuit, the 3rd resistance one end connection, second resistance one end and boosting integrated circuit
The connection of port 6 foot, the inductance other end and first diode cathode, the 3rd polarity free capacitor one end, the 4th resistance one end,
The SW ports 1 foot connection of boosting integrated circuit, the 3rd polarity free capacitor other end and the 4th polarity free capacitor one end, the 5th
Polarity free capacitor one end, the 5th resistance one end, polar capacitor anode, the 7th resistance one end, the 8th resistance one end,
Two diode cathodes, first diode cathode connection, the 5th resistance other end and the 6th resistance one end, boosting are integrated
The FB ports 3 feet connection of circuit, the 7th resistance other end and the 9th resistance one end connection, the 8th resistance other end and the
The connection of ten resistance one end, the 9th resistance other end and the tenth resistance other end, the 11st resistance one end, the 12nd
Resistance one end, the 13rd resistance one end, the 6th polarity free capacitor one end, the connection of polar capacitor cathode, the 4th resistance are another
One end is connected with the 7th polarity free capacitor one end, and first polarity free capacitor other end and second polarity free capacitor are another
End, second resistance other end, the 3rd resistance other end, the 7th polarity free capacitor other end, the 6th resistance other end,
The 4th polarity free capacitor other end, the 5th polarity free capacitor other end, the 6th polarity free capacitor other end, the 11st
The resistance other end, the 12nd resistance other end ground connection.
The utility model advantageous effect is：In use, to turn 12V Switching Power Supplies defeated for the mating 220V AC powers of LED lamp
After the power supply gone out enters charge protector, the power supply of input is carried out storage of the pressure-stabilizing constant flow to LED lamp by charge protector
Battery charges, and output can be disconnected to the power supply of accumulator, so that service lifetime of accumulator is more after accumulator is fully charged
It is long.In the charge state with after charging, LED light power output circuit and USB power source output circuit can work normally the utility model,
LED light power output circuit out-put supply enters the LED light power input of LED lamp, and LED light obtains electroluminescence, in use, making
User can control charge protection by operating first point dynamic formula power switch of SCM peripheral element of charge protector
Circuit output, so as to change the luminosity of LED light, is issued to energy saving to the size of current of LED lamp in suitable illuminance
Purpose.USB power source output circuit effect under, USB power source output circuit by the 3.7V voltages that charge protector inputs into
Row boosting, and from the stable 5V DC power supplies of output terminal output, USB power source output circuit USB socket is inserted into for power input
Digital product suitable charge and working power is provided.The utility model can not only realize the LED light dimming energy-saving of LED lamp
Purpose, moreover it is possible to provide 5V DC power supplies for digital product, function is more, so with good application prospect.
Description of the drawings
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the block diagram of the utility model.
Fig. 2,3,4 are the circuit diagrams of the utility model charge protector.
Fig. 5 is the circuit diagram of the utility model LED light power output circuit.
Fig. 6 is the circuit diagram of the utility model USB power source output circuit.
Specific embodiment
Shown in Fig. 1, a kind of Portable LED lamp driving power, by charge protector, LED light power output circuit and
USB power source output circuit is formed, and charge protector, LED light power output circuit and USB power source output circuit are mounted on circuit
On plate, circuit board is mounted in the housing of IED lamps and lanterns.
Shown in Fig. 2,3,4,5,6, charge protector by diode D1, resistance R3, R10, R11, R7, R8, R9, R23,
R25, R26, R28, R27, R29, R13, R24, R15, R16, polarity free capacitor C3, C4, C2, C11, C1, NPN triode Q1, Q2,
Light emitting diode VL1, VL2, VL3, VL4, VL5 put dynamic formula power switch S1, S2, microcontroller U6, and battery is protected polar capacitor EC2,
Integrated circuit U4 is protected, power field effect pipe U3, U2, U1 composition are connected, first resistance R3 one end by circuit board wiring therebetween
It is connected with first polarity free capacitor C3 one end, first NPN triode Q1 collector, first NPN triode Q1 emitter
It is connected with second polarity free capacitor C4 one end, the 3rd polarity free capacitor C2 one end, first polarity free capacitor C3 other end
It is connect with second polarity free capacitor C4 other end, the 3rd polarity free capacitor C2 other end, first NPN triode Q1 base stage
Ground, second resistance R10 one end are connected with first light emitting diode VL1 anode, the 3rd resistance R11 one end and second hair
Optical diode VL2 anodes connect, first light emitting diode VL1 cathode and second light emitting diode VL2 cathode ground connection, and the 4th
Resistance R7 one end is connected with the 3rd light emitting diode VL3 cathode, the 5th resistance R9 one end and the 4th light emitting diode
VL4 cathode connect, and the 6th resistance R8 one end is connected with the 5th light emitting diode VL5 cathode, second resistance R10 other end
It being connected with 3 foot of PB0 ports of microcontroller U6, the 3rd resistance R11 other end is connected with 2 foot of PB1 ports of microcontroller U6, and the 4th
The resistance R7 other ends are connected with 1 foot of PB2 ports of microcontroller U6, the PB3 ends of the 5th resistance R9 other end and microcontroller U6
The connection of mouthful 16 feet, the 6th resistance R8 other end connects with 15 foot of PB4 ports of microcontroller U6, the 7th resistance R23 one end with
5 foot of PA2 ports of microcontroller U6, second NPN triode Q2 collectors connection, the 8th resistance R25 one end and the 9th electricity
Hinder R26 one end, the base stage of second NPN triode Q2 connects, the 9th resistance R26 other end and second NPN triode Q2
Emitter is grounded, 7 foot of PA0 ports of microcontroller U6 and the connection of the tenth resistance R28 one end, the tenth resistance R28 other end and
11st resistance R27 one end, the 12nd resistance R29 one end, the 4th polarity free capacitor C11 one end connection, the 11st
The resistance R27 other ends and the 4th polarity free capacitor C11 other end, the PA7 ports 10 foot connection of microcontroller U6, single motor U6's
8 foot of VSS ends is connected with the cathode of polar capacitor EC2, and 9 foot of vdd terminal mouth of microcontroller U6 is connected with polar capacitor EC2 anodes, single
13 foot of PA4 ports of piece machine U6 and the connection of the 13rd resistance R13 one end, 10 foot of PA6 ports of microcontroller U6 and the 14th
Resistance R24 one end connects, and the 13rd resistance R13 other end, the 14th resistance R24 other end are respectively and two point dynamic formulas are electric
Source switch S2, S1 one end connects, two point dynamic formula power switch S2, S1 other end ground connection, the V- of battery protection integrated circuit U4
2 foot of port and the 15th resistance R1 one end connection, 1 foot of DOUT ports and first power field of battery protection integrated circuit U4
6 foot of G1 ports of effect pipe U3,6 foot of G1 ports of second power field effect pipe U2, the G1 of the 3rd power field effect pipe U1
1 foot of S1 ports of port 6 foot connection, 6 foot of GND ports of battery protection integrated circuit U4 and first power field effect pipe U3,
1 foot of S1 ports of second power field effect pipe U2,1 foot of S1 ports of first power field effect pipe U1, the 5th it is nonpolarity
Capacitance C1 one end connects, the 5th polarity free capacitor C1 other end and the 16th resistance R2 one end, battery protection integrated circuit
5 foot of the vdd terminal mouth connection of U4,3 foot of COUT ports of battery protection integrated circuit U4 and the G2 of first power field effect pipe U3
4 foot of port, 4 foot of G2 ports, 4 foot of G2 ports of the 3rd power field effect pipe U1 of second power field effect pipe U2 connect,
2 foot of D1/D2 ports of 2 foot of D1/D2 ports and 5 feet of first power field effect pipe U3 and second power field effect pipe U2 and
5 feet, 2 foot of D1/D2 ports of the 3rd power field effect pipe U1 and the connection of 5 feet, the 15th resistance R1 other end and first
3 foot of S2 ports, the 3rd power field effect pipe of 3 foot of S2 ports of power field effect pipe U3, second power field effect pipe U2
The S2 ports 3 foot ground connection of U1, the 3rd polarity free capacitor C2 one end and the 7th resistance R23 other end, the 4th light-emitting diodes
9 foot of the vdd terminal mouth connection of pipe VL4 anodes, microcontroller U6, diode D1 cathode and first resistance R3 other end, the 12nd
The resistance R29 other ends, the 16th resistance R2 other ends connection, diode D1 anodes and the 8th resistance R25 other ends connection.
Microcontroller U6 models are HT66F003, and battery protection integrated circuit U4 models are DW01, power field effect pipe U3, U2, U1 model
It is S8205A.LED light power output circuit by field-effect tube Q3, resistance R30, R32, R31, R34, R33, polarity free capacitor C12,
C13 is formed, and is connected therebetween by circuit board wiring, first resistance R30 one end and the 3rd resistance R31 one end, field-effect tube
The grid connection of Q3, the drain electrode of field-effect tube Q3 connect with second polarity free capacitor C13 one end, the source electrode of field-effect tube Q3 with
Second polarity free capacitor C13 other end, the 5th resistance R33 one end, the 3rd resistance R31 other end, the 4th resistance R34
One end, second resistance R32 one end connection, second resistance other end and first polarity free capacitor C12 one end connection, first
The polarity free capacitor C12 other ends and the 4th resistance R34 other end, the 5th resistance R33 other ends ground connection.USB power source is defeated
Go out circuit by inductance CD1, resistance R19, R17, R20, R12, R6, R18, R4, R14, R5, R15, R21, R22, polarity free capacitor
C7, C8, C14, C4, C6, C9, C10, polar capacitor EC1, diode D2, D3, boosting integrated circuit U5 compositions pass through electricity therebetween
The wiring connection of road plate, boosting integrated circuit U5 models are LC3312, first polarity free capacitor C7 one end and second it is nonpolarity
Capacitance C8 one end, the ViN ports 5 foot connection of inductance CD1 one end, boosting integrated circuit U5, first resistance R19 one end and steady liter
Press 4 foot of CE ports, the 3rd resistance R20 one end connection, second resistance R17 one end and the boosting integrated circuit of integrated circuit U5
The ILIM ports 6 foot connection of U5, the inductance CD1 other ends and first diode D2 anode, the 3rd polarity free capacitor C14 mono-
End, the SW ports 1 foot connection of the 4th resistance R12 one end, boosting integrated circuit U5, the 3rd polarity free capacitor C14 other end
With the 4th polarity free capacitor C5 one end, the 5th polarity free capacitor C6 one end, the 5th resistance R6 one end, polar capacitor EC1
Anode, the 7th resistance R4 one end, the 8th resistance R5 one end, second diode D3 anode, first diode D2 cathode
Connection, the 5th resistance R6 other end and the 6th resistance R18 one end, the FB ports 3 foot connection of boosting integrated circuit U5, the 7th
The resistance R4 other ends and the 9th resistance R14 one end connection, the 8th resistance R5 other end and the tenth resistance R15 one end connect
It connects, the another R14 one end of the 9th resistance and the tenth resistance R15 other end, the 11st resistance R21 one end, the 12nd resistance
R22 one end, the 13rd resistance R16 one end, the 6th nonpolarity electricity C10 holds one end, polar capacitor EC1 cathode connect, and the 4th
The resistance R12 other ends and the 7th polarity free capacitor C9 one end connection, first polarity free capacitor C7 other end and second
The polarity free capacitor C8 other ends, second resistance R17 other end, the 3rd resistance R20 other end, the 7th polarity free capacitor C9
The other end, the 6th resistance R18 other end, the 4th polarity free capacitor C5 other end, the 5th polarity free capacitor C6 other end,
The 6th polarity free capacitor C10 other end, the 11st resistance R21 other end, the 12nd resistance R22 other ends ground connection.
Shown in Fig. 2,3,4,5,6, power input both ends polarity free capacitor C2 one end of charge protector, the 9th electricity
The resistance R26 other ends and the mating 220V AC powers of LED lamp turn 12V Switching Power Supplies positive and negative polarities power output end DCIN+,
DCIN- is connected respectively by conducting wire.14 feet, 4 feet and the LED light electricity of first signal output part microcontroller U6 of charge protector
The signal input part resistance R30 other ends, the resistance R32 other ends of source follower circuit are connected by conducting wire.Charge protector
12 feet of secondary signal output terminal microcontroller and the signal input part resistance R19 other ends of USB power source output circuit pass through conducting wire
Connection.In the positive and negative polarities power output end resistance R2 other ends of charge protector, polarity free capacitor C1 one end and LED lamp
The accumulator positive and negative polarities in portion are connected respectively by conducting wire.Battery positive voltage inside LED lamp exports respectively with LED light power supply
Circuit anode power input LED+, USB power source output circuit cathode power supply input terminal polarity free capacitor C7 one end pass through conducting wire
Connection.LED light cathode power supply input terminal passes through in the cathode power supply output terminal LED+ and LED lamp of LED light power output circuit
Conducting wire connects, and LED light is born in the drain electrode of the negative power supply output terminal field-effect tube Q3 of LED light power output circuit and LED lamp
Pole power input is connected by conducting wire, the cathode power supply output terminal diode D3 cathode and LED lamp of USB power source output circuit
On USB power source socket anode USB5V+ connected by conducting wire, the negative power supply output terminal resistance R15 of USB power source output circuit
The other end is connected with the USB power source socket cathode in LED lamp by conducting wire, two data of USB power source socket in LED lamp
The data output end resistance R14 other ends of input terminal ASENSE, BSENSE and USB power source output circuit, the resistance R15 other ends point
Do not connected by conducting wire, the feedback signal input terminal resistance R16 other ends of charge protector and USB power source output circuit it is anti-
6 feet of feedback signal output terminal microcontroller U6 are connected by conducting wire.
Shown in Fig. 2,3,4,5,6, in use, the mating 220V AC powers of LED lamp turn the output of 12V Switching Power Supplies
After power supply enters charge protector, the battery protection integrated circuit U4 of charge protector peripheral component resistance R1 and R2,
Under polarity free capacitor C1 and power integrated circuit U3, U2, U1 collective effect, input power is subjected to voltage stabilizing, 4V electricity after voltage stabilizing
Source charges to accumulator in LED lamp through polarity free capacitor C1 one end, the resistance R2 other ends, battery protection integrated circuit U4
Under peripheral cell collective effect, monitoring for protection is carried out to charging accumulator, when battery tension deficiency in charging, battery is protected
Integrated circuit U4 is protected by controlling three power integrated circuits U3, U2, U1 defeated from polarity free capacitor C1 one end, the resistance R2 other ends
Go out regulated power supply and enter accumulator positive and negative polarities, under battery protection integrated circuit U4 effects, when battery tension is low, three work(
The electric current that rate integrated circuit U3, U2, U1 is exported through polarity free capacitor C1 one end, the resistance R2 other ends is slightly larger, and battery tension is high
When, the electric current that three power integrated circuits U3, U2, U1 are exported through polarity free capacitor C1 one end, the resistance R2 other ends is slightly smaller, so as to
Suitable charging current is provided to accumulator, after accumulator is fully charged, under battery protection integrated circuit U4 effects, three power
Integrated circuit U3, U2, U1 stop output, prevent from damaging overcharge of a battery.Make in microcontroller U6 and its peripheral cell
Under, microcontroller U6 enters the control signal input of LED light power output circuit from 14 feet, 4 feet output control electric current signal
The resistance R30 other ends, the resistance R32 other ends, after the peripheral cell point dynamic formula power switch S1 buttons for pressing microcontroller U6, in list
Under piece machine U6 internal circuits and peripheral cell polarity free capacitor, resistance, NPN triode, polar capacitor collective effect, microcontroller
U6 is exported from 14 feet, 4 feet to the control signal input resistance R30 other ends, the resistance R32 other ends of USB power source output circuit
Control electric current signal can change, so as to control the output current size of LED light power output circuit, often press once
Peripheral point dynamic formula power switch S1 buttons, microcontroller U6 output control signal size will occur once to change, from it is low to
It is cycled in high current signal output.In LED light power output circuit：Microcontroller U6 exports control electric current signal from 14 feet, 4 feet
After the control signal input resistance R30 other ends, the resistance R32 other ends to USB power source output circuit, microcontroller U6 is from 14
Foot, the control electric current signal of 4 feet output enter field-effect tube Q3 grids through resistance R33, enter field-effect tube Q3 sources through resistance R32
Pole, microcontroller U6 from 14 feet, 4 feet output control electric current signal it is big when, field-effect tube Q3 is in peripheral component resistance, polarity free capacitor
After working under collective effect from its drain electrode input to LED lamp electric current it is higher, LED lamp luminosity is higher, microcontroller U6 from
When 14 feet, 4 feet output control electric current signal are small, field-effect tube Q3 works under peripheral component resistance, polarity free capacitor collective effect
Lower from the electric current of its drain electrode input to LED lamp after work, LED lamp luminosity is lower, by adjusting LED with regard to that can reach above
The purpose of lamp luminous intensity.In actual use, after operator presses second point dynamic formula power switch S2 of microcontroller U6, in list
Under piece machine U6 internal circuits and peripheral cell collective effect, the voltage of accumulator can be detected, when the voltage of accumulator exists
During 3.0-3.45V, light emitting diode VL3 obtains electroluminescence and gives operator's prompting, and voltage is in 3.45-3.7V, light emitting diode
VL3, VL4 obtain electroluminescence and give operator's prompting, and for voltage in 3.7-4.2V, light emitting diode VL3, VL4, VL5 obtain electroluminescence
Operator's prompting is given, when battery tension is less than 2.8V, when being equivalent to the overdischarge pressure for reaching accumulator, microcontroller U6 can be closed
Close output to USB power source output circuit and LED light power output circuit signal output, so as to USB power source output circuit with
And the no longer external out-put supply of the power output end of LED light power output circuit, prevent brownout from causing shadow to electrical equipment
It rings；When battery tension is higher than 4.2V, reach the overcharging state of accumulator, microcontroller U6 can be closed under peripheral cell collective effect
The 220V AC powers that the LED lamp of amenorrhoea resistance R23 other ends input is mating turn the power supply that 12V Switching Power Supplies input, power supply
Accumulator is not entered back into, prevents overcharge of a battery, extends the service life of accumulator.Charge protector microcontroller U6's
After 12 foot output voltage signals enter the signal input part resistance R19 other ends of USB power source output circuit, the resistance R19 other ends
By voltage signal input to boosting integrated circuit U5 4 feet, boosting integrated circuit U5 peripheral component resistance, inductance, diode,
Under polarity free capacitor, polar capacitor collective effect, enter from diode D3 cathode, resistance R15 other ends output 5V DC power supplies
USB+, USB- of USB socket in LED lamp provide 5V DC power supplies for digital product, during digital product electricity consumption, if hair
When raw failure causes USB power source output circuit output current excessive, the USB power source output circuit resistance R16 other ends are inputted to filling
The 6 foot feedback voltage signals of the microcontroller U6 of electric protection circuit can drastically become larger, single under microcontroller U6 and peripheral cell effect
12 feet of piece machine U6 stop input to the voltage signal of the resistance R19 other ends, and USB power source output circuit power output end stops defeated
Go out, prevent digital product failure from being damaged to USB power source output circuit.
It should be noted that the present embodiment is the utility model preferred embodiments, it is all in this reality not to limit the utility model
It applies in a spirit and does any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of Portable LED lamp driving power, it is characterised in that by charge protector, LED light power output circuit and USB
Power output circuit is formed, and charge protector, LED light power output circuit and USB power source output circuit are mounted on circuit board
On, circuit board is mounted in the housing of LED lamp, the power input both ends of charge protector and the mating 220V of LED lamp
The positive and negative polarities power output end that AC power turns 12V Switching Power Supplies is connected respectively by conducting wire, and the first of charge protector
Signal output part is connected with the signal input part of LED light power output circuit by conducting wire, the secondary signal of charge protector
Output terminal is connected with the signal input part of USB power source output circuit by conducting wire, and the positive and negative polarities power supply of charge protector is defeated
Outlet is connected with the accumulator positive and negative polarities inside LED lamp by conducting wire respectively, the battery positive voltage difference inside LED lamp
It is connected with LED light power output circuit cathode power supply input terminal, USB power source output circuit cathode power supply input terminal by conducting wire,
The cathode power supply output terminal of LED light power output circuit is connected with LED light cathode power supply input terminal in LED lamp by conducting wire,
The negative power supply output terminal of LED light power output circuit is connected with LED light negative power supply input terminal in LED lamp by conducting wire,
The cathode power supply output terminal of USB power source output circuit is connected with the USB power source socket anode in LED lamp by conducting wire, USB electricity
The negative power supply output terminal of source follower circuit is connected with the USB power source socket cathode in LED lamp by conducting wire, in LED lamp
Two data input pins of USB power source socket connected respectively by conducting wire with the data output end of USB power source output circuit, charge
The feedback signal input terminal of protection circuit is connected with the feedback signal output of USB power source output circuit by conducting wire.
2. a kind of Portable LED lamp driving power according to claim 1, it is characterised in that charge protector is by two poles
Pipe, resistance, polarity free capacitor, NPN triode, light emitting diode, polar capacitor, power switch, microcontroller, battery protection integrate
Circuit, power field effect pipe composition, are connected, first resistance one end and first polarity free capacitor by circuit board wiring therebetween
One end, the connection of first NPN triode collector, first NPN triode emitter and second polarity free capacitor one end, the
The connection of three polarity free capacitor one end, first polarity free capacitor other end and second polarity free capacitor other end, the 3rd
The polarity free capacitor other end, first NPN transistor base ground connection, second resistance one end and first light emitting diode anode
Connection, the 3rd resistance one end are connected with second light emitting diode anode, first light emitting diode cathode and second hair
Optical diode cathode is grounded, and the 4th resistance one end connect with the 3rd light emitting diode cathode, the 5th resistance one end and the
Four light emitting diode cathode connections, the 6th resistance one end are connected with the 5th light emitting diode cathode, and second resistance is another
One end is connected with 3 foot of PB0 ports of microcontroller, and the 3rd resistance other end is connected with 2 foot of PB1 ports of microcontroller, the 4th
The resistance other end is connected with 1 foot of PB2 ports of microcontroller, and the 5th resistance other end is connected with 16 foot of PB3 ports of microcontroller,
The 6th resistance other end is connected with 15 foot of PB4 ports of microcontroller, 5 foot of PA2 ends of the 7th resistance one end and microcontroller,
The connection of two NPN triode collectors, the 8th resistance one end and the 9th resistance one end, the base stage of second NPN triode
Connection, the 9th resistance other end and second NPN triode emitter ground connection, 7 foot of PA0 ports of microcontroller and the tenth electricity
Hinder one end connection, the tenth resistance other end and the 11st resistance one end, the 12nd resistance one end, the 4th nonpolarity electricity
Hold one end connection, the 11st resistance other end and the 4th polarity free capacitor other end, 10 foot of PA7 ports of microcontroller connect
It connects, 8 foot of VSS ports of single motor is connected with the cathode of polar capacitor, and 9 foot of vdd terminal mouth and polar capacitor anode of microcontroller connect
It connects, 13 foot of microcontroller PA4 ports and the 13rd resistance one end connection, 10 foot of microcontroller PA6 ports and the 14th resistance one
End connection, the 13rd resistance other end, the 14th resistance other end connect respectively with two point dynamic formula power switch one end,
Two point dynamic formula power switch other end ground connection, 2 foot of battery protection integrated circuit V- ports and the 15th resistance one end connection,
6 foot of G1 ports of 1 foot of battery protection integrated circuit DOUT ports and first power field effect pipe, second power field effect pipe
6 foot of G1 ports, the 3rd power field effect pipe the 6 foot connection of G1 ports, 6 foot of battery protection integrated circuit GND ports and the
1 foot of S1 ports, first power field effect pipe of 1 foot of S1 ports of one power field effect pipe, second power field effect pipe
1 foot of S1 ports, the connection of the 5th polarity free capacitor one end, the 5th polarity free capacitor other end and the 16th resistance one
End, 5 foot of the vdd terminal mouth connection of battery protection integrated circuit, 3 foot of battery protection integrated circuit COUT ports and first power field
4 foot of G2 ports of effect pipe, 4 foot of G2 ports of second power field effect pipe, 4 foot of G2 ports of the 3rd power field effect pipe
Connection, 2 foot of D1/D2 ports and 2 foot of D1/D2 ports of 5 feet and second power field effect pipe of first power field effect pipe
And 2 foot of D1/D2 ports and the connection of 5 feet, the 15th resistance other end and first power of 5 feet, the 3rd power field effect pipe
3 foot of S2 ports of field-effect tube, 3 foot of S2 ports of second power field effect pipe, the S2 ports 3 of the 3rd power field effect pipe
Foot is grounded, the 3rd polarity free capacitor one end and the 7th resistance other end, the 4th light emitting diode anode, microcontroller
9 foot of vdd terminal mouth connects, and diode cathode and first resistance other end, the 12nd resistance other end, the 16th resistance are another
One end connects, diode cathode and the 8th resistance other end connection.
A kind of 3. Portable LED lamp driving power according to claim 2, it is characterised in that the monolithic of charge protector
Type number is HT66F003, and battery protection integrated circuit model is DW01, and power field effect pipe model is S8205A.
A kind of 4. Portable LED lamp driving power according to claim 1, it is characterised in that LED light power output circuit
It is made of field-effect tube, resistance, polarity free capacitor, is connected therebetween by circuit board wiring, first resistance one end and the 3rd
Resistance one end, the grid connection of field-effect tube, the drain electrode of field-effect tube are connected with second polarity free capacitor one end, field-effect tube
Source electrode and second polarity free capacitor other end, the 5th resistance one end, the 3rd resistance other end, the 4th resistance one
End, second resistance one end connection, second resistance other end and first polarity free capacitor one end connection, first nonpolarity
The capacitance other end and the 4th resistance other end, the 5th resistance other end ground connection.
5. a kind of Portable LED lamp driving power according to claim 1, it is characterised in that USB power source output circuit by
Inductance, resistance, polarity free capacitor, polar capacitor, diode, boosting integrated circuit composition, are connected therebetween by circuit board wiring,
Boosting integrated circuit model is LC3312, first polarity free capacitor one end and second polarity free capacitor one end, inductance one end,
It boosts the ViN ports 5 feet connection of integrated circuit, 4 foot of CE ports of first resistance one end and steady boosting integrated circuit, the 3rd
Resistance one end connects, and 6 foot of ILIM ports of second resistance one end and the integrated circuit that boosts connects, the inductance other end and first
Diode cathode, the SW ports 1 foot connection of the 3rd polarity free capacitor one end, the 4th resistance one end, the integrated circuit that boosts, the
Three polarity free capacitor other ends and the 4th polarity free capacitor one end, the 5th polarity free capacitor one end, the 5th resistance one
End, polar capacitor anode, the 7th resistance one end, the 8th resistance one end, second diode cathode, first diode are born
Pole connects, the 5th resistance other end and the 6th resistance one end, the FB ports 3 foot connection for the integrated circuit that boosts, the 7th electricity
Hinder the other end and the 9th resistance one end connection, the 8th resistance other end and the tenth resistance one end connection, the 9th resistance
The other end and the tenth resistance other end, the 11st resistance one end, the 12nd resistance one end, the 13rd resistance one end,
6th polarity free capacitor one end, the connection of polar capacitor cathode, the 4th resistance other end and the 7th polarity free capacitor one end
Connection, first polarity free capacitor other end and second polarity free capacitor other end, second resistance other end, the 3rd electricity
Hinder the other end, the 7th polarity free capacitor other end, the 6th resistance other end, the 4th the polarity free capacitor other end, the 5th
The polarity free capacitor other end, the 6th polarity free capacitor other end, the 11st resistance other end, the 12nd resistance are another
End ground connection.
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| CN109889658A (en) * | 2019-01-25 | 2019-06-14 | 努比亚技术有限公司 | Accessory and mobile terminal for mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109889658A (en) * | 2019-01-25 | 2019-06-14 | 努比亚技术有限公司 | Accessory and mobile terminal for mobile terminal |
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