CN105472821A - Lamp and mobile power supply circuit thereof - Google Patents
Lamp and mobile power supply circuit thereof Download PDFInfo
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- CN105472821A CN105472821A CN201510956928.1A CN201510956928A CN105472821A CN 105472821 A CN105472821 A CN 105472821A CN 201510956928 A CN201510956928 A CN 201510956928A CN 105472821 A CN105472821 A CN 105472821A
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/24—Circuit arrangements for protecting against overvoltage
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/25—Circuit arrangements for protecting against overcurrent
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a mobile power supply circuit of a lamp. The mobile power supply circuit of the lamp comprises a charging and discharging interface, a charging module, a battery protecting module, a lamp driving module, a control module, and a boosting module, wherein the control module controls charging of the charging module, discharging of the boosting module and a switching-on and switching-off process of the lamp driving module in a coordinated manner by receiving output signals fed back by the boosting module; and the problem that a lamp with a mobile power supply function does not exist in the prior art is solved. The invention further provides a lamp with a mobile power supply function.
Description
Technical field
The present invention relates to a kind of light fixture, particularly relate to a kind of portable power source circuit of light fixture.
Background technology
Light fixture in the market does not generally all have portable power source function, and as outdoor lights, it cannot be other electronic equipments, as mobile phone, panel computer etc., and power supply.And existing portable power source is usually with at least 2 interfaces, be respectively used to charge for portable power source and power for external electronic device, it can be the power supplies such as compact LED certainly, but brightness can be lower usually, and the charging inlet of portable power source is many, and scheme is complicated.
Summary of the invention
In view of this, the object of the embodiment of the present invention is the portable power source circuit and the light fixture that provide a kind of light fixture, is intended to solve in existing technology the problem of the light fixture that there is not direct Tape movement power supply function.
The portable power source circuit of light fixture provided by the invention, comprising: discharge and recharge interface, charging module, battery protection module, light fixture driver module and control module and boost module; Wherein, described discharge and recharge interface is for realizing the charging and discharging of the portable power source of described light fixture; Described charging module is connected with described discharge and recharge interface, and according to the first control signal of described control module, the input supply voltage from described discharge and recharge interface is converted to charging voltage, and the battery exporting the portable power source circuit being external in described light fixture to thinks that it charges; Described battery protection module is connected with the output of described charging module, for the protection of the discharge and recharge safety of described battery; Described light fixture driver module is connected with the output of described charging module, and realizes lamp lighting according to the second control signal of described control module; Described boost module is connected with the output of described charging module and described discharge and recharge interface respectively, the 3rd control signal according to described control module is exported after the boost in voltage of described battery by described discharge and recharge interface, and output signal is fed back to described control module; Described control module receive described boost module feedback output signal and control the work of described charging module, light fixture driver module and described boost module.
Preferably, described discharge and recharge interface comprises positive pole DC+ and negative pole DC-, wherein negative pole DC-ground connection, described charging module comprises lithium cell charging managing chip IC6, the input pin 1 of described lithium cell charging managing chip IC6, input pin 2 and input pin 16 are all connected with the positive pole DC+ of discharge and recharge interface, described is selected pin 13 to be connected with input pin 16 through resistance R1, described is selected pin 13 to be also connected with the first end of switching tube Q1, the control end of described switching tube Q1 to be connected with control module reception first control signal through resistance R2, the second end ground connection of described switching tube Q1, the output pin 3 of described lithium cell charging managing chip IC6, output pin 4, the connected output as lithium cell charging managing chip IC6 of output pin 5 is connected with the first end of inductance L 1, second end of described inductance L 1 is connected with the first end of resistance R3, second end of described resistance R3 is as the output of described charging module, the first end of described inductance L 1 links with the negative electrode of diode D1, the plus earth of described diode D1, the two ends of described resistance R3 are parallel with electric capacity C5, the first end of described resistance R3 is through electric capacity C4 ground connection, second end of described resistance R3 is through electric capacity C6 ground connection, the first end of described resistance R3 is connected with the pin 9 of described lithium cell charging managing chip IC6, second end of described resistance R3 is connected with the pin 10 of described lithium cell charging managing chip IC6.
Preferably, described battery protection module comprises overcurrent-overvoltage detection chip IC1, switching tube group Q5, resistance R8, resistance R11 and electric capacity C9, wherein the first end of resistance R8 is as the input of described battery protection module and the positive pole for connecting described battery, second end of described resistance R8 is connected with the first end of electric capacity C9, second end of described electric capacity C9 is connected with the first end of described switching tube group Q5, second end of described electric capacity C9 is also for connecting the negative pole of described battery, the second end ground connection of described switching tube group Q5, the pin 5 of described overcurrent-overvoltage detection chip IC1 is connected with the first end of described electric capacity C9, pin 6 is connected with second end of described electric capacity C9, pin 1 is connected with first control end of described switching tube group Q5, pin 3 is connected with second control end of described switching tube group Q5, pin 2 is through resistance R11 ground connection.
Preferably, described light fixture driver module comprises switching tube Q2, resistance R12, resistance R13 and light fixture LED, wherein the first end of switching tube Q2 is as the input of described light fixture driver module, the control end of described switching tube Q2 is connected for receiving the second control signal with control module, between the first end that described resistance R1 is connected to described switching tube Q2 and control end, second end of described switching tube Q2 is connected with the anode of light fixture LED through resistance R13, the minus earth of described light fixture LED.
Preferably, described boost module comprises boost chip IC9, the pin LX of described boost chip IC9 is connected with the first end of inductance L 2, second end of described inductance L 2 is as the input of described boost module, the pin IN of described boost chip IC9 is connected with the second end of described inductance L 2, pin IN is connected with pin LB through resistance R9, pin LB is through resistance R10 ground connection, pin LB0 is connected with the first end of resistance R7, second end of described resistance R7 is through electric capacity C7 ground connection, second end of described resistance R7 is connected with pin SVout, pin PVout is connected with second end of resistance R7 and the first end of resistance R4, second end of resistance R4 is through resistance R5 ground connection, second end of resistance R4 is also connected with described boost chip IC9 pin FB, the pin EN of described boost chip IC9 is connected with described control module to receive the 3rd control signal, described pin PVout is connected with the first end of resistance R6 through electric capacity C8, second end of described resistance R6 is connected with described pin EN, the first end ground connection of described resistance R6.
Preferably, described control module comprises control chip, the energization pins 1 of described control chip is connected with the output of described charging module, first of described control chip controls pin 11 and is connected with described charging module, second of described control chip controls pin 7 and is connected with described light fixture driver module, the 3rd of described control chip controls pin 6 and is connected with described boost module, grounding pin 20 ground connection of described control chip, pin 17 is through interrupteur SW 1 ground connection, described pin 17 is also connected with the output of described charging module through resistance R14, pin 16 is connected with first negative electrode of indicator light RGLED, pin 15 is connected with second negative electrode of indicator light RGLED, the anode of described indicator light RGLED is connected with the output of described charging module through resistance R15, described indicator light RGLED comprises the first light-emitting diode and the second light-emitting diode, described first light-emitting diode is connected with the anode of the second light-emitting diode as the anode of described indicator light RGLED, the negative electrode of the first light-emitting diode is as second negative electrode of first negative electrode of indicator light RGLED and the negative electrode indicator light RGLED of the second light-emitting diode.
Preferably, described discharge and recharge interface comprises between positive pole DC+ and negative pole DC-and is connected with electric capacity C1.
Preferably, described control module controls described charging module and described boost module independent operating.
Preferably, described switching tube Q1 is N-channel MOS pipe.
Present invention also offers a kind of light fixture using the portable power source circuit of above-mentioned light fixture.
In embodiments of the present invention, control module is by receiving the output signal of boost module feedback, the switching process of the charging of cooperation control charging module, the electric discharge of boost module and light fixture driver module, this circuit provides a kind of light fixture with portable power source function, solves in prior art the problem of the light fixture lacking Tape movement power supply function.And because control module is according to the co-ordination of the output signal control discharge and recharge of feedback, makes the present invention can realize discharge and recharge by a discharge and recharge interface simultaneously, simplify discharge and recharge interface, make scheme become simpler.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the portable power source circuit of a kind of light fixture of the present invention;
Fig. 2 is the circuit diagram of the portable power source circuit of a kind of light fixture of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The specific embodiment of the invention provides a kind of portable power source circuit of light fixture, and as shown in Figure 1, described circuit comprises discharge and recharge interface 11, charging module 12, battery protection module 13, light fixture driver module 14 and control module 16 and boost module 15;
Wherein, described discharge and recharge interface 11 is for realizing the charging and discharging of the portable power source of described light fixture;
Described charging module 12 is connected with described discharge and recharge interface 11, and according to the first control signal of described control module 16, the input supply voltage received from described discharge and recharge interface 11 is converted to charging voltage, and the battery exporting the portable power source circuit being external in described light fixture to thinks that it charges;
Described battery protection module 13 is connected with the output of described charging module 12, for the protection of the discharge and recharge safety of described battery;
Described light fixture driver module 14 is connected with the output of described charging module 12, and realizes lamp lighting according to the second control signal of described control module 16;
Described boost module 15 is connected with the output of described charging module 12 and described discharge and recharge interface 11 respectively, the 3rd control signal according to described control module 16 is exported after the boost in voltage of described battery by described discharge and recharge interface 11, and output signal is fed back to described control module 16;
Described control module 16 receive described boost module 15 feedback output signal and control the work of described charging module 12, light fixture driver module 14 and described boost module 15.
Particularly, control module 16 can control the charging process of described charging module 12 and the discharge process of boost module 15 according to described output signal, and wherein charging process and discharge process independently work.
The output signal that control module 16 of the present invention is fed back by receiving boost module 15, the switching process of the charging of cooperation control charging module 12, the electric discharge of boost module 15 and light fixture driver module 14, this circuit provides a kind of light fixture with portable power source function, solves in prior art the problem of the light fixture lacking Tape movement power supply function.
Consult Fig. 2, the invention provides a kind of physical circuit of discharge and recharge interface 11, described discharge and recharge interface 11 comprises positive pole DC+ and negative pole DC-, wherein negative pole DC-ground connection, and positive pole DC+ is connected with the input of charging module 12.Preferably, described discharge and recharge interface 11 comprises between positive pole DC+ and negative pole DC-and is connected with electric capacity C1, more stable with input voltage when making charging, and makes output voltage during electric discharge more stable.
Consult Fig. 2, the invention provides a kind of physical circuit of charging module 12, described charging module 12 comprises lithium cell charging managing chip IC6, the input pin 1 of described lithium cell charging managing chip IC6, input pin 2 and input pin 16 are all connected with the positive pole DC+ of discharge and recharge interface 11, described is selected pin 13 to be connected with input pin 16 through resistance R1, described is selected pin 13 to be also connected with the first end of switching tube Q1, the control end of described switching tube Q1 to be connected with control module 16 reception first control signal through resistance R2, the second end ground connection of described switching tube Q1, the output pin 3 of described lithium cell charging managing chip IC6, output pin 4, the connected output as lithium cell charging managing chip IC6 of output pin 5 is connected with the first end of inductance L 1, second end of described inductance L 1 is connected with the first end of resistance R3, second end of described resistance R3 is as the output of described charging module 12, the first end of described inductance L 1 links with the negative electrode of diode D1, the plus earth of described diode D1, the two ends of described resistance R3 are parallel with electric capacity C5, the first end of described resistance R3 is through electric capacity C4 ground connection, second end of described resistance R3 is through electric capacity C6 ground connection, the first end of described resistance R3 is connected with the pin 8 of described lithium cell charging managing chip IC6, second end of described resistance R3 is connected with the pin 9 of described lithium cell charging managing chip IC6.The grounding pin 6 of described lithium cell charging managing chip IC6, grounding pin 7, grounding pin 11, pin 12 ground connection, pin 10 is through electric capacity C3 ground connection.
It is that normal voltage thinks that battery charges that wherein said lithium cell charging managing chip IC6 is used for the voltage transitions inputted from discharge and recharge interface 11, wherein input pin 1, input pin 2 and input pin 16 are respectively input voltage positive input terminal Vin, Vin and Vin, sheet selects pin 13 to select input CS for lithium ion or LiFePO4 state sheet, output pin 3, output pin 4, output pin 5 is respectively built-in PMOSFET power tube drain junction IX, IX and IX, pin 6, 7 are respectively power supply ground gnd, pin 8 is the electrode input end sa of output electric current measure, pin 9 is battery voltage detection end bat, pin 10 is internal electrical source vreg, pin 11 is battery temperature detection input ts, pin 12 holds rtrick for trickle precharge stream is arranged, pin 14 is battery charging complete indication end stdby, pin 15 is state indication end chrg in charging.
Described switching tube Q1 is N-channel MOS pipe, concrete, and the drain electrode of metal-oxide-semiconductor is as the first end of switching tube Q1, and source electrode is as second end of switching tube Q1, and grid is as the control end of switching tube Q1.
The sheet of described lithium cell charging managing chip IC6 selects pin 13 to be that high level is effective, now described lithium cell charging managing chip IC6 normally works, when sheet selects pin 13 input low level, described lithium cell charging managing chip IC6 quits work, and now charging process is interrupted.
The first control signal exported when control module 16 is high level, when the control end of switching tube Q1 is high level, and described switching tube Q1 conducting, sheet selects pin 13 ground connection to be low level, and described lithium cell charging managing chip IC6 does not work; And when the first control signal is low level, switching tube Q1 turns off, sheet selects pin 13 for high level, and now lithium cell charging managing chip IC6 starts working; The first control signal that control module 16 exports is defaulted as low level.
Consult Fig. 2, the invention provides a kind of physical circuit of battery protection module 13, described battery protection module 13 comprises overcurrent-overvoltage detection chip IC1, switching tube group Q5, resistance R8, resistance R11 and electric capacity C9, wherein the first end of resistance R8 is as the input of described battery protection module 13 and the positive pole B+ for connecting described battery, second end of described resistance R8 is connected with the first end of electric capacity C9, second end of described electric capacity C9 is connected with the first end of described switching tube group Q5, second end of described electric capacity C9 is also for connecting the negative pole B-of described battery, the second end ground connection of described switching tube group Q5, the pin 5 of described overcurrent-overvoltage detection chip IC1 is connected with the first end of described electric capacity C9, pin 6 is connected with second end of described electric capacity C9, pin 1 is connected with first control end of described switching tube group Q5, pin 3 is connected with second control end of described switching tube group Q5, pin 2 is through resistance R11 ground connection.
Overcurrent-overvoltage detection chip IC1 can be battery pond protect IC; specifically can be SOT-23-6; wherein pin 5 is positive supply input terminal VDD; pin 6 is negative supply input terminal VSS; pin 1 is control of discharge FET gate pole splicing ear D0; pin 3 charges and controls with FET gate pole splicing ear C0, and pin 2 is overcurrent detection terminal VM.
Concrete, switching tube group Q5 comprises two switching tubes be connected in series, the first end of described two switching tubes is connected, second end of described two switches is respectively as the first end of described switching tube group Q5 and the second end, and the control end of described two switching tubes is respectively as first control end of described switching tube group Q5 and the second control end.Preferably, described switching tube can be metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor is as the first end of switching tube, and source electrode is as the second end of switching tube, and grid is as the control end of switching tube.When the equal conducting of two switching tubes of switching tube group Q5, described electric capacity C9 ground connection, normally charges for battery; When any one switching tube turns off, stop charging.
Wherein, overcurrent-overvoltage detection chip IC1 detects the charge status of external connection battery by pin 5 and pin 6, as whether there is overcurrent or overvoltage; The signal that the pin 1 of overcurrent-overvoltage detection chip IC1 and pin 3 export is respectively used to represent whether there is overcurrent or overvoltage, and first control end of described switching tube group Q5 and the second control end receive over-current signal and the overvoltage signal of described overcurrent-overvoltage detection chip IC1 output respectively.Such as, if described switching tube group Q5 is N-channel MOS pipe, when the charge and discharge process of battery is normal, the signal that the pin 1 of overcurrent-overvoltage detection chip IC1 and pin 3 export is high level, switching tube group Q5 conducting, and the charge and discharge process of battery normally carries out; When the charge and discharge process of battery is abnormal, during as overcurrent or overvoltage, in the signal that the pin 1 of overcurrent-overvoltage detection chip IC1 and pin 3 export, at least one is low level, and now switching tube group Q5 turns off, and the charge and discharge process of battery stops.
Consult Fig. 2, the invention provides a kind of physical circuit of light fixture driver module 14, comprise switching tube Q2, resistance R12, resistance R13 and light fixture LED, wherein the first end of switching tube Q2 is as the input of described light fixture driver module 14, the control end of described switching tube Q2 is connected with control module 16 for receiving the second control signal, between the first end that described resistance R1 is connected to described switching tube Q2 and control end, second end of described switching tube Q2 is connected with the anode of light fixture LED through resistance R13, the minus earth of described light fixture LED.
Described switching tube Q2 can be metal-oxide-semiconductor, concrete, and the source electrode of metal-oxide-semiconductor is as the first end of switching tube Q2, and drain as second end of switching tube Q1, grid is as the control end of switching tube Q2.
When switching tube Q2 conducting, above-mentioned light fixture LED work can be used for illumination, and when switching tube turns off, light fixture LED quits work.When switching tube Q2 is P channel MOS tube, when the second control signal that control module 16 exports is low level, switching tube Q2 conducting, when switching tube Q2 is N-channel MOS pipe, when the second control signal that control module 16 exports is high level, switching tube Q2 conducting.
Consult Fig. 2, the invention provides a kind of physical circuit of boost module 15, comprise boost chip IC9, the pin LX of described boost chip IC9 is connected with the first end of inductance L 2, second end of described inductance L 2 is as the input of described boost module, the pin IN of described boost chip IC9 is connected with the second end of described inductance L 2, pin IN is connected with pin LB through resistance R9, pin LB is through resistance R10 ground connection, pin LB0 is connected with the first end of resistance R7, second end of described resistance R7 is through electric capacity C7 ground connection, second end of described resistance R7 is connected with pin SVout, pin PVout is connected with second end of resistance R7 and the first end of resistance R4, second end of resistance R4 is through resistance R5 ground connection, second end of resistance R4 is also connected with described boost chip IC9 pin FB, the pin EN of described boost chip IC9 is connected with described control module to receive the 3rd control signal, described pin PVout is connected with the first end of resistance R6 through electric capacity C8, second end of described resistance R6 is connected with described pin EN, the first end ground connection of described resistance R6.
Described boost chip IC9 is used for the normal voltage of battery side being converted to the voltage exported for discharge and recharge interface 11, and pin PVout output voltage feeds back to boost chip IC9 pin FB to form FEEDBACK CONTROL after resistance R4 and resistance R5 dividing potential drop.The pin EN of described boost chip IC9 is that high level is effective, when the 3rd control signal that control module 16 exports is high level, boost chip IC9 starts working, when the 3rd control signal is low level, boost chip IC9 quits work, when the too low deficiency of cell voltage thinks that external equipment is powered, control module 16 controls boost module 15 and quits work.
A discharge and recharge interface 11 of the portable power source of light fixture provided by the invention can realize charging and discharging, but charging and discharging is two independently processes, can not carry out simultaneously, control module 16 controls charging module 12 and boost module 15 independent operating, as when the first control signal is low level, the 3rd control signal is similarly as low level, and now charging module 12 works, and boost module 15 does not work, vice versa.
Consult Fig. 2, the invention provides a kind of physical circuit of control module 16, comprise control chip, the energization pins 1 of described control chip is connected with the output of described charging module 12, first of described control chip controls pin 11 and is connected with described charging module 12, second of described control chip controls pin 7 and is connected with described light fixture driver module 14, the 3rd of described control chip controls pin 6 and is connected with second end of resistance R6 in described boost module 15, grounding pin 20 ground connection of described control chip, pin 17 is through interrupteur SW 1 ground connection, described pin 17 is also connected with the output of described charging module 12 through resistance R14, pin 16 is connected with first negative electrode of indicator light RGLED, pin 15 is connected with second negative electrode of indicator light RGLED, the anode of described indicator light RGLED is connected with the output of described charging module 12 through resistance R15, described indicator light RGLED comprises the first light-emitting diode and the second light-emitting diode, described first light-emitting diode is connected with the anode of the second light-emitting diode as the anode of described indicator light RGLED, the negative electrode of the first light-emitting diode is as second negative electrode of first negative electrode of indicator light RGLED and the negative electrode indicator light RGLED of the second light-emitting diode.Described control chip can be MCU or DSP etc.
During above-mentioned interrupteur SW 1 action, the pin 17 of described control chip can receive pulse along signal, now controls second and controls pin 7 output low level, and the light fixture LED in light fixture driver module 14 is worked with illumination.
Indicator light RGLED is used to indicate the operating state of the portable power source circuit of described light fixture, when first negative electrode of indicator light RGLED or the second negative electrode are low level, and described first light-emitting diode or the second LED operation.Particularly, whether described first light-emitting diode can indicate charging process effective, and it is connected with the pin 16 of control module 16, and whether described second light-emitting diode can indicate discharge process effective, and it is connected with the pin 15 of control module 16; When the portable power source circuit working of described light fixture is in charged state, first of control module 16 controls pin 11 output low level and works to control charging module 12,3rd controls pin 6 output low level does not work to control boost module 15, pin 16 output low level simultaneously, pin 17 exports high level, make the first light-emitting diode shinny, and the second light-emitting diode does not work; When the portable power source circuit working of described light fixture is in discharge condition, its operation principle is similar to above-mentioned, does not repeat them here.
The portable power source circuit of light fixture provided by the invention, control module 16 controls charging module 12 and boost module 15 independent operating, controls the co-ordination of discharge and recharge, makes the present invention can realize discharge and recharge by a discharge and recharge interface simultaneously, simplify discharge and recharge interface, make scheme become simpler.Can a discharge and recharge Interface realization charging and discharging process be passed through, decrease discharge and recharge interface quantity, make scheme become simpler.
Present invention also offers a kind of light fixture, this light fixture comprises the portable power source circuit of above-mentioned light fixture.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a portable power source circuit for light fixture, is characterized in that, described circuit comprises discharge and recharge interface, charging module, battery protection module, light fixture driver module and control module and boost module;
Wherein, described discharge and recharge interface is for realizing the charging and discharging of the portable power source of described light fixture;
Described charging module is connected with described discharge and recharge interface, and according to the first control signal of described control module, the input supply voltage from described discharge and recharge interface is converted to charging voltage, and the battery exporting the portable power source circuit being external in described light fixture to thinks that it charges;
Described battery protection module is connected with the output of described charging module, for the protection of the discharge and recharge safety of described battery;
Described light fixture driver module is connected with the output of described charging module, and realizes lamp lighting according to the second control signal of described control module;
Described boost module is connected with the output of described charging module and described discharge and recharge interface respectively, the 3rd control signal according to described control module is exported after the boost in voltage of described battery by described discharge and recharge interface, and output signal is fed back to described control module;
Described control module receive described boost module feedback output signal and control the work of described charging module, light fixture driver module and described boost module.
2. the portable power source circuit of light fixture as claimed in claim 1, it is characterized in that, described discharge and recharge interface comprises positive pole DC+ and negative pole DC-, wherein negative pole DC-ground connection, described charging module comprises lithium cell charging managing chip IC6, the input pin 1 of described lithium cell charging managing chip IC6, input pin 2 and input pin 16 are all connected with the positive pole DC+ of discharge and recharge interface, described is selected pin 13 to be connected with input pin 16 through resistance R1, described is selected pin 13 to be also connected with the first end of switching tube Q1, the control end of described switching tube Q1 to be connected with control module reception first control signal through resistance R2, the second end ground connection of described switching tube Q1, the output pin 3 of described lithium cell charging managing chip IC6, output pin 4, the connected output as lithium cell charging managing chip IC6 of output pin 5 is connected with the first end of inductance L 1, second end of described inductance L 1 is connected with the first end of resistance R3, second end of described resistance R3 is as the output of described charging module, the first end of described inductance L 1 links with the negative electrode of diode D1, the plus earth of described diode D1, the first end of described resistance R3 is through electric capacity C4 ground connection, second end of described resistance R3 is through electric capacity C6 ground connection, the two ends of described resistance R3 are parallel with electric capacity C5, the first end of described resistance R3 is connected with the pin 8 of described lithium cell charging managing chip IC6, second end of described resistance R3 is connected with the pin 9 of described lithium cell charging managing chip IC6.
3. the portable power source circuit of light fixture as claimed in claim 1, it is characterized in that, described battery protection module comprises overcurrent-overvoltage detection chip IC1, switching tube group Q5, resistance R8, resistance R11 and electric capacity C9, wherein the first end of resistance R8 is as the input of described battery protection module and the positive pole for connecting described battery, second end of described resistance R8 is connected with the first end of electric capacity C9, second end of described electric capacity C9 is connected with the first end of described switching tube group Q5, second end of described electric capacity C9 is also for connecting the negative pole of described battery, the second end ground connection of described switching tube group Q5, the pin 5 of described overcurrent-overvoltage detection chip IC1 is connected with the first end of described electric capacity C9, pin 6 is connected with second end of described electric capacity C9, pin 1 is connected with first control end of described switching tube group Q5, pin 3 is connected with second control end of described switching tube group Q5, pin 2 is through resistance R11 ground connection.
4. the portable power source circuit of light fixture as claimed in claim 1, it is characterized in that, described light fixture driver module comprises switching tube Q2, resistance R12, resistance R13 and light fixture LED, wherein the first end of switching tube Q2 is as the input of described light fixture driver module, the control end of described switching tube Q2 is connected for receiving the second control signal with control module, between the first end that described resistance R1 is connected to described switching tube Q2 and control end, second end of described switching tube Q2 is connected with the anode of light fixture LED through resistance R13, the minus earth of described light fixture LED.
5. the portable power source circuit of light fixture as claimed in claim 1, it is characterized in that, described boost module comprises boost chip IC9, the pin LX of described boost chip IC9 is connected with the first end of inductance L 2, second end of described inductance L 2 is as the input of described boost module, the pin IN of described boost chip IC9 is connected with the second end of described inductance L 2, pin IN is connected with pin LB through resistance R9, pin LB is through resistance R10 ground connection, pin LBO is connected with the first end of resistance R7, second end of described resistance R7 is through electric capacity C7 ground connection, second end of described resistance R7 is connected with pin SVout, pin PVout is connected with second end of resistance R7 and the first end of resistance R4, second end of resistance R4 is through resistance R5 ground connection, second end of resistance R4 is also connected with described boost chip IC9 pin FB, the pin EN of described boost chip IC9 is connected with described control module to receive the 3rd control signal, described pin PVout is connected with the first end of resistance R6 through electric capacity C8, second end of described resistance R6 is connected with described pin EN, the first end ground connection of described resistance R6.
6. the portable power source circuit of light fixture as claimed in claim 1, it is characterized in that, described control module comprises control chip, the energization pins 1 of described control chip is connected with the output of described charging module, first of described control chip controls pin 11 and is connected with described charging module, second of described control chip controls pin 7 and is connected with described light fixture driver module, the 3rd of described control chip controls pin 6 and is connected with described boost module, grounding pin 20 ground connection of described control chip, pin 17 is through interrupteur SW 1 ground connection, described pin 17 is also connected with the output of described charging module through resistance R14, pin 16 is connected with first negative electrode of indicator light RGLED, pin 15 is connected with second negative electrode of indicator light RGLED, the anode of described indicator light RGLED is connected with the output of described charging module through resistance R15, described indicator light RGLED comprises the first light-emitting diode and the second light-emitting diode, described first light-emitting diode is connected with the anode of the second light-emitting diode as the anode of described indicator light RGLED, the negative electrode of the first light-emitting diode is as second negative electrode of first negative electrode of indicator light RGLED and the negative electrode indicator light RGLED of the second light-emitting diode.
7. the portable power source circuit of light fixture as claimed in claim 2, is characterized in that, described discharge and recharge interface comprises between positive pole DC+ and negative pole DC-and is connected with electric capacity C1.
8. the portable power source circuit of light fixture as claimed in claim 1, described control module controls described charging module and described boost module independent operating.
9. the portable power source circuit of light fixture as claimed in claim 2, described switching tube Q1 is N-channel MOS pipe.
10. a light fixture, is characterized in that, comprises the portable power source circuit of light fixture as claimed in any one of claims 1-9 wherein.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956928.1A CN105472821A (en) | 2015-12-18 | 2015-12-18 | Lamp and mobile power supply circuit thereof |
| PCT/CN2016/076637 WO2017101231A1 (en) | 2015-12-18 | 2016-03-17 | Portable power circuit for lamp and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956928.1A CN105472821A (en) | 2015-12-18 | 2015-12-18 | Lamp and mobile power supply circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105472821A true CN105472821A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510956928.1A Pending CN105472821A (en) | 2015-12-18 | 2015-12-18 | Lamp and mobile power supply circuit thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105472821A (en) |
| WO (1) | WO2017101231A1 (en) |
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