CN208337945U - A kind of linear constant current LED lamp circuit with function of emergency illumination - Google Patents

A kind of linear constant current LED lamp circuit with function of emergency illumination Download PDF

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Publication number
CN208337945U
CN208337945U CN201820840066.5U CN201820840066U CN208337945U CN 208337945 U CN208337945 U CN 208337945U CN 201820840066 U CN201820840066 U CN 201820840066U CN 208337945 U CN208337945 U CN 208337945U
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China
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circuit
resistance
constant current
input terminal
linear constant
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CN201820840066.5U
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俞贤晓
严建国
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Harmony Mingxin (Yiwu) Photoelectric Technology Co., Ltd
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Xin He (shaoxing) Green Lighting Co Ltd
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Abstract

The linear constant current LED lamp circuit with function of emergency illumination that the utility model discloses a kind of, including the first LED light module, second LED light module, voltage conversion circuit, linear constant current circuit, emergency lightening control circuit, battery management circuit, rechargeable lithium battery, full bridge rectifier, voltage smoothing circuit and light-operated circuit, the output end of voltage conversion circuit, the input terminal of linear constant current circuit, the input terminal of light-operated circuit, the input terminal of emergency lightening control circuit, the positive input terminal of second LED light module is connected with the input terminal of battery management circuit, the output end of light-operated circuit is connected with the second control terminal of linear constant current circuit;Advantage is to be opened and closed automatically according to ambient brightness on the basis of with function of emergency illumination, not need manual operation, easy to use.

Description

A kind of linear constant current LED lamp circuit with function of emergency illumination
Technical field
The utility model relates to a kind of linear constant current LED lamp circuit, more particularly, to a kind of with function of emergency illumination Linear constant current LED lamp circuit.
Background technique
With linear constant current LED lamp circuit be widely used and it is fast-developing, occur the linear of various functions in the market Constant current LED lamp circuit.Linear constant current LED lamp circuit with function of emergency illumination, is internally provided with rechargeable lithium battery, When utility grid is normal, utility grid provides operating current to circuit in linear constant current LED light as power supply, at this time linearly Constant-current LED electric light road can be used as general lighting and be illuminated with the normally-open power switch of lamp, in linear constant current LED lamp circuit In lighting process, while to the rechargeable lithium battery charging being arranged inside, after rechargeable lithium battery electric energy is full of, it is automatically stopped Charging.In linear constant current LED lamp circuit lighting process, if the unexpected abnormal power-down of utility grid, rechargeable lithium battery at this time Start to provide operating current for circuit in linear constant current LED light, illuminates it persistently.
The structure of existing linear constant current LED lamp circuit with function of emergency illumination a kind of is as shown in Figure 1, this has answers The linear constant current LED lamp circuit of anxious illumination functions includes AC to DC converter circuit, the first LED light module, the luminous mould of the 2nd LED Block, linear constant current circuit, rechargeable lithium battery, electric power management circuit, voltage conversion circuit and emergency lightening control circuit, first LED light module and the second LED light module are respectively respectively provided with positive input terminal and negative input end, and AC to DC converter circuit has fire Line input terminal, zero curve input, output end and ground terminal, linear constant current circuit have output and ground, voltage conversion circuit With input terminal output and ground, emergency lightening control circuit has firewire control terminal, zero curve control terminal, input terminal, defeated Outlet and ground terminal, battery management circuit have input terminal, positive output end, negative output terminal and ground terminal, rechargeable lithium battery tool There are anode and cathode, the firewire input terminal of AC to DC converter circuit is connected with the firewire control terminal of emergency lightening control circuit and it Connecting pin is used to connect the firewire of external alternating current, and the zero of the zero curve input terminal of AC to DC converter circuit and emergency lightening control circuit The connection of line traffic control end and its connecting pin are used to connect the zero curve of external alternating current, the output end of AC to DC converter circuit, the first LED hair The positive input terminal of optical module is connected with the input terminal of voltage conversion circuit, output end, the emergency lighting control of voltage conversion circuit The positive input terminal of the input terminal of circuit, the input terminal of battery management circuit and the second LED light module connects, battery management circuit Positive output end and the anode of rechargeable lithium battery connect, the negative output terminal of battery management circuit and the cathode of rechargeable lithium battery The negative input end connection of connection, the output end of emergency lightening control circuit and the second LED light module, the first LED light module Negative output terminal connected with the output end of linear constant current circuit, the ground terminal of AC to DC converter circuit, voltage conversion circuit connect Ground terminal, the ground terminal of linear constant current circuit, the ground terminal of emergency lightening control circuit are connected with the ground terminal of battery management circuit.
The working principle of the linear constant current LED lamp circuit with function of emergency illumination are as follows: after being successfully accessed alternating current, hand over The alternating voltage of alternating current is converted to the lesser high-voltage dc voltage of voltage fluctuation, linear constant current circuit output by circulation DC circuit Suitable electric current makes the first LED light module shine, the high voltage direct current that voltage conversion circuit exports AC to DC converter circuit Pressure is converted to low-voltage dc voltage and exports to emergency lightening control circuit, the second LED light module and battery management circuit, battery After management circuit detects the low-voltage dc voltage of voltage conversion circuit output, into Charge Management state, chargeable lithium is detected The voltage levels of battery charge to rechargeable lithium battery when rechargeable lithium battery voltage is lower, work as rechargeable lithium battery When voltage is higher, then stop charging;And emergency lightening control circuit is outer by firewire input terminal and the detection of zero curve input terminal The connection status of portion's alternating current, when having line voltage input, the firewire input terminal and zero curve of emergency lightening control circuit are defeated Entering is high voltage between end, and output end does not have electric current output, and the second LED light module does not shine at this time.When there is no alternating current defeated When entering, there are two types of situations at this time: the power switch being electrically connected one is LED lamp circuit with city is in an off state, LED light Circuit and external city are electrically disconnected, belong to normal off status;Another kind is that the power switch being electrically connected with city is in closed state, The case where not having line voltage input, belonging to power grid abnormal electrical power supply.In the first situation, AC to DC converter circuit is without output electricity Pressure, the first LED light module cannot shine, at the same time, the output end of voltage conversion circuit also Non voltage output, battery at this time Management circuit enters electric discharge management mode, and rechargeable lithium battery also passes through other than providing operating voltage to battery management circuit The input terminal and ground terminal of battery management circuit provide voltage for emergency lightening control circuit and the second LED light module, due to External power switch is in an off state, the firewire input terminal of emergency lightening control circuit and the input electricity at zero curve input terminal both ends Pressure is zero, and emergency lightening control circuit is in output end without output electric current, and the second LED light module does not shine at this time.At second When situation, AC to DC converter circuit is without output voltage, and the first LED light module cannot shine at this time, at the same time, voltage transformation Also Non voltage output, battery management circuit enter electric discharge management mode to the output end of circuit, and rechargeable lithium battery is in addition to giving battery Circuit is managed to provide outside operating voltage, also by the input terminal of battery management circuit and ground terminal be emergency lightening control circuit and Second LED light module provides voltage, and since external power switch is in closed state, the firewire of emergency lightening control circuit is defeated Enter in external connection state between end and zero curve input terminal, emergency lightening control circuit has electric current output in output end, at this time Second LED light module shines, into emergency lighting mode.
The linear constant current LED lamp circuit with function of emergency illumination can both be illuminated when alternating current is normal, can also To carry out emergency lighting after alternating current abnormal power-down, avoids dark surrounds bring inconvenient, be widely used in indoor and outdoor night Between illuminate.But there is the linear constant current LED lamp circuit of function of emergency illumination to need to go to disconnect manually and alternating current on daytime for this Power switch is connected, and then needs to go to open manually the power switch being electrically connected with city to night, use is not very convenient.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of lines easy to use with function of emergency illumination Property constant current LED lamp circuit.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of line with function of emergency illumination Property constant current LED lamp circuit, including the first LED light module, the second LED light module, voltage conversion circuit, linear constant current electricity Road, emergency lightening control circuit, battery management circuit and rechargeable lithium battery, first LED light module and described Second LED light module is respectively provided with positive input terminal and negative input end;The voltage conversion circuit has input, output end And ground terminal;The battery management circuit has input terminal, positive output end, negative output terminal and ground terminal, the chargeable lithium Battery has anode and cathode, the linear constant current LED lamp circuit further include full bridge rectifier, voltage smoothing circuit and light Circuit is controlled, the full bridge rectifier has firewire input terminal, zero curve input, output end and ground terminal, the voltage Smooth circuit has input, output end and ground terminal;The light-operated circuit has input terminal, the first output end, second defeated Outlet and ground terminal;The emergency lightening control circuit has input terminal, control terminal, output and ground, the line Property constant-current circuit have input, output end, the first control terminal, the second control terminal and ground terminal, the full bridge rectifier Firewire input terminal be used to connect the firewire of alternating current, the zero curve input terminal of the full bridge rectifier is for connecting the zero of alternating current Line, the output end of the full bridge rectifier, the input terminal of the voltage smoothing circuit, the linear constant current circuit First control terminal is connected with the control terminal of the emergency lightening control circuit, the output end of the voltage smoothing circuit, institute The input terminal for the voltage conversion circuit stated is connected with the positive input terminal of first LED light module, the first LED hair The negative input end of optical module is connected with the output end of the linear constant current circuit, the output end of the voltage conversion circuit, The input terminal of the linear constant current circuit, the input terminal of the light-operated circuit, the emergency lightening control circuit it is defeated Enter end, the positive input terminal of second LED light module is connected with the input terminal of the battery management circuit, the light Control circuit output end connected with the second control terminal of the linear constant current circuit, the emergency lightening control circuit it is defeated Outlet is connected with the negative input end of second LED light module, the positive output end of the battery management circuit and described The anode connection of rechargeable lithium battery, the cathode of the negative output terminal of the battery management circuit and the rechargeable lithium battery Connection, the output end of the linear constant current circuit are connected with the negative input end of first LED light module, and described is complete The ground terminal of bridge rectification circuit, the ground terminal of the voltage smoothing circuit, the voltage conversion circuit ground terminal, described The ground terminal of linear constant current circuit, the ground terminal of the light-operated circuit, the emergency lightening control circuit ground terminal It is connected with the ground terminal of the battery management circuit.
The full bridge rectifier is made of full bridge rectifier bridge heap, and the 1st foot of the full bridge rectifier bridge heap is described Full bridge rectifier firewire input terminal, the 3rd foot of the full bridge rectifier bridge heap is the zero of the full bridge rectifier Line input terminal, the 2nd foot of the full bridge rectifier bridge heap are the output end of the full bridge rectifier, the full-bridge rectification 4th foot of bridge heap is the ground terminal of the full bridge rectifier.
The voltage smoothing circuit includes first diode and first capacitor composition, and the first diode is rectification Diode, the first capacitor are electrolytic capacitor, the just extremely described voltage smoothing circuit of the first diode Input terminal, the cathode of the first diode and the anode of first capacitor connect and its connecting pin is that the voltage is smoothly electric The output end on road, the cathode of the first capacitor are the ground terminal of the voltage smoothing circuit.The circuit can input End maintains the voltage waveform after full-bridge rectification, and outputs in output end and change gentle high voltage.
The light-operated circuit includes first resistor, second resistance, the first triode, the second diode and the second capacitor, Second diode be rectifier diode, first triode be phototriode, the one of the first resistor End is the input terminal of the light-operated circuit, the cathode of second diode, one end of the second resistance and described The second capacitor one end connection and its connecting pin be the light-operated circuit output end, the first resistor it is another It holds, the anode of second diode is connected with the collector of first triode, the hair of first triode Emitter-base bandgap grading, the second resistance the other end connected with the other end of second capacitor and its connecting pin is described light-operated The ground terminal of circuit.The circuit structure is simple, at low cost, but realizes and can discriminate whether the lower function of environment light;In week When collarette border light is darker, opens a way between the emitter and collector of phototriode, pass through first resistor and the two or two pole To the second capacitor charging, the voltage at the second capacitor both ends is discharged by second resistance and is reduced pipe, and the resistance value of second resistance determines the The discharge time of two capacitors can keep most dark situation light from there through the cooperation of the second capacitor and second resistance for a long time When phototriode output of-state voltage.
The emergency lightening control circuit includes 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th electricity Resistance, the 8th resistance, third diode, third capacitor, the second triode and third transistor, the third diode are pressure stabilizing Diode, one end of the 7th resistance are the control terminal of the emergency lightening control circuit, the 8th resistance One end is connected with the emitter of the third transistor and its connecting pin is the input terminal of the emergency lightening control circuit, One end of 6th resistance be the emergency lightening control circuit output end, the other end of the 7th resistance, The cathode of the third diode, one end of the third capacitor, the other end of the 8th resistance, the third One end of resistance is connected with the base stage of the third transistor, the collector of the third transistor and the 4th electricity One end of resistance connects, the other end of the 4th resistance, one end of the 5th resistance and second triode Base stage connection, the other end of the 6th resistance are connected with the collector of second triode, the three or two pole The other end of positive, described third capacitor of pipe, the other end of the 3rd resistor, the 5th resistance the other end It is connected with the emitter of second triode and its connecting pin is the ground terminal of the emergency lightening control circuit.The electricity Column component is divided using general in road, is realized with lower cost and goes to control output end to export electric current with the voltage after rectification Function, control conversion speed it is fast.
The battery management circuit includes the charging and discharging lithium battery managing chip of model DW06K, the 9th resistance, the tenth Resistance, eleventh resistor and the 4th capacitor, one end of the eleventh resistor are the input terminal of the battery management circuit, The other end of the eleventh resistor is connected with one end of the 9th resistance and its connecting pin is the battery management The positive output end of circuit, the 6th foot of the charging and discharging lithium battery managing chip, the charging and discharging lithium battery managing chip 3rd foot is connected with one end of the 4th capacitor and its connecting pin is the negative output terminal of the battery management circuit, described Charging and discharging lithium battery managing chip the 5th foot, the other end of the 9th resistance and the other end of the 4th capacitor Connection, the 1st foot of the charging and discharging lithium battery managing chip are connected with one end of the tenth resistance, the tenth electricity The other end of resistance is connected with the 2nd foot of the charging and discharging lithium battery managing chip and its connecting pin is the battery management electricity The ground terminal on road.The circuit uses general charge-discharge battery Managed Solution, and element is few, and at low cost, function is enough.
The linear constant current circuit includes current constant control chip, twelfth resistor, the 13rd electricity of model SM2083E Resistance, the 14th resistance, the first NMOS tube and the 4th diode, the 4th diode are zener diode, the constant current The 1st foot for controlling chip is the input terminal of the linear constant current resistance, and the 8th foot of the current constant control chip is described The output end of linear constant current circuit, one end of the thirteenth resistor are the first control terminal of the linear constant current circuit, The grid of first NMOS tube is the second control terminal of the linear constant current circuit, the of the current constant control chip 5 feet are connected with one end of the twelfth resistor, the other end of the twelfth resistor and first NMOS tube Drain electrode connection, the 4th foot of the current constant control chip, the other end of the thirteenth resistor, the 4th diode Cathode connected with one end of the 14th resistance, the 3rd foot of the current constant control chip, first NMOS tube Source electrode, the 4th diode anode connected with the other end of the 14th resistance and its connecting pin be it is described The ground terminal of linear constant current circuit.The circuit is SM2083E originally on the basis of only one on-off control mouth, and additional one the One NMOS has just been further added by a control port, and in the first control port, allows to access very high voltage control signal, cost Lower, function is more.
The voltage conversion circuit includes Switching Power Supply control chip, the first inductance, the 5th electricity of model BP8519C Appearance, the 6th capacitor, the 5th diode, the 15th resistance and the 16th resistance, the 5th capacitor is electrolytic capacitor, described 5th diode is rectifier diode, and the 5th foot of the Switching Power Supply control chip is the defeated of the voltage conversion circuit Enter end, one end of the first positive, described inductance of the 5th capacitor connected with one end of the 15th resistance and Its connecting pin is the output end of the voltage conversion circuit, the 3rd foot of the Switching Power Supply control chip, the described the tenth The other end of five resistance is connected with one end of the 16th resistance;1st foot of the Switching Power Supply control chip and institute One end of the 6th capacitor stated connects, the other end, described of the other end of the 16th resistance, the 6th capacitor The other end of first inductance, the 5th diode cathode connected with the 2nd foot of the described Switching Power Supply control chip, institute The cathode for the 5th capacitor stated and the anode of the 5th diode connect and its connecting pin is the voltage conversion circuit Ground terminal.The voltage conversion circuit peripheral cell is less, and structure is simple.
Compared with prior art, the utility model has the advantage of pass through the first LED light module, the luminous mould of the 2nd LED Block, voltage conversion circuit, linear constant current circuit, emergency lightening control circuit, battery management circuit, rechargeable lithium battery, full-bridge Rectification circuit, voltage smoothing circuit and light-operated circuit building have the linear constant current LED lamp circuit of function of emergency illumination, this is linear The power switch that constant current LED lamp circuit is electrically connected with city is maintained at closed state, after being successfully accessed alternating current, full bridge rectifier The alternating current of alternating current is converted into the very big high-voltage dc voltage of voltage fluctuation, voltage smoothing circuit turns this high-voltage dc voltage It is changed to the lesser voltage of voltage fluctuation and is supplied to the first LED light module and voltage conversion circuit, voltage conversion circuit is high pressure DC voltage is converted to low-voltage dc voltage to emergency lightening control circuit, the 2nd LED illuminating circuit, battery management circuit, light It controls circuit and linear constant current circuit provides operating on low voltage voltage, when surrounding environment light is less than the preset threshold value of light-operated circuit When, the output signal of light-operated circuit makes the output end of linear constant current circuit have electric current output, and the first LED illuminating circuit shines, instead It, when surrounding environment light is not less than preset threshold value, the output signal of light-operated circuit makes the output of linear constant current circuit No current output is held, the first LED illuminating circuit does not shine.And electric power management circuit detects voltage conversion circuit in input terminal After output voltage, rechargeable lithium battery is filled when the brownout of rechargeable lithium battery into Charge Management mode Electricity, when the overtension of rechargeable lithium battery, stopping charges to rechargeable lithium battery;The control of emergency lightening control circuit The voltage of detection full bridge rectifier output in end processed, when alternating current is successfully accessed, the voltage of full bridge rectifier output is high electricity Pressure, the output end no current output of emergency lightening control circuit, the 2nd LED illuminating circuit do not shine at this time.When there is no external city When being electrically accessed, full bridge rectifier Non voltage output, voltage smoothing circuit also Non voltage output, the first LED light module at this time It can not light luminous, voltage conversion circuit cannot provide low-voltage dc voltage, and battery management circuit enters electric discharge management mode, can Charged lithium cells also pass through the input terminal and ground terminal of battery management circuit other than providing operating voltage to battery management circuit There is provided voltage for emergency lightening control circuit and the second LED light module, due to there is no an alternating current input, full bridge rectifier it is defeated The voltage of outlet is zero, and the output end of control circuit has electric current output at this time, so that the 2nd LED illuminating circuit is shone, meets an urgent need Light illumination mode, thus the linear constant current LED lamp circuit of the utility model, can be according to ambient brightness certainly on the basis of emergency lighting It is dynamic to open and close, manual operation is not needed, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural block diagram of the existing linear constant current LED lamp circuit with function of emergency illumination;
Fig. 2 is the structural block diagram of the linear constant current LED lamp circuit with function of emergency illumination of the utility model;
Fig. 3 is the circuit diagram of the linear constant current LED lamp circuit with function of emergency illumination of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment one: as shown in Fig. 2, a kind of linear constant current LED lamp circuit with function of emergency illumination, including first LED light module, the second LED light module, voltage conversion circuit, linear constant current circuit, emergency lightening control circuit, cell tube Reason circuit and rechargeable lithium battery, the first LED light module and the second LED light module are respectively provided with positive input terminal and negative input End;Voltage conversion circuit has input, output end and ground terminal;Battery management circuit has input terminal, positive output end, negative output End and ground terminal, rechargeable lithium battery has anode and cathode, linear constant current LED lamp circuit further include full bridge rectifier, electricity Smooth circuit and light-operated circuit are pressed, full bridge rectifier has firewire input terminal, zero curve input, output end and ground terminal, electricity Press smooth circuit that there is input, output end and ground terminal;Light-operated circuit has input terminal, the first output end, second output terminal And ground terminal;Emergency lightening control circuit has input terminal, control terminal, output and ground, and linear constant current circuit has defeated Enter end, output end, the first control terminal, the second control terminal and ground terminal, the firewire input terminal of full bridge rectifier is for connecting city The firewire of electricity, the zero curve input terminal of full bridge rectifier are used to connect the zero curve of alternating current, output end, the voltage of full bridge rectifier The input terminal of smooth circuit, the first control terminal of linear constant current circuit are connected with the control terminal of emergency lightening control circuit, voltage The positive input terminal of the output end of smooth circuit, the input terminal of voltage conversion circuit and the first LED light module connects, the first LED The negative input end of light emitting module is connected with the output end of linear constant current circuit, output end, the linear constant current electricity of voltage conversion circuit The input terminal on road, the input terminal of light-operated circuit, the input terminal of emergency lightening control circuit, the second LED light module positive input End is connected with the input terminal of battery management circuit, and the output end of light-operated circuit is connected with the second control terminal of linear constant current circuit, The output end of emergency lightening control circuit and the connection of the negative input end of the second LED light module, the battery management circuit is just The anode connection of output end and rechargeable lithium battery, the negative output terminal of battery management circuit and the cathode of rechargeable lithium battery connect It connects, the negative input end connection of the output end of linear constant current circuit and the first LED light module, the ground terminal of full bridge rectifier, The ground connection of the ground terminal of voltage smoothing circuit, the ground terminal of voltage conversion circuit, the ground terminal of linear constant current circuit, light-operated circuit End, the ground terminal of emergency lightening control circuit are connected with the ground terminal of battery management circuit.
The working principle of the linear constant current LED lamp circuit with function of emergency illumination of the utility model are as follows: be electrically connected with city The power switch connect is maintained at closed state, and after being successfully accessed alternating current, full bridge rectifier is converted to the alternating current of alternating current High-voltage dc voltage is converted to the lesser voltage of voltage fluctuation by the very big high-voltage dc voltage of voltage fluctuation, voltage smoothing circuit It is supplied to the first LED light module and voltage conversion circuit, high-voltage dc voltage is converted to low-voltage direct by voltage conversion circuit Voltage is mentioned to emergency lightening control circuit, the 2nd LED illuminating circuit, battery management circuit, light-operated circuit and linear constant current circuit For operating on low voltage voltage, when surrounding environment light threshold value preset less than light-operated circuit, the output signal of light-operated circuit makes The output end of linear constant current circuit has electric current output, and the first LED illuminating circuit shines, conversely, when surrounding environment light is not less than pre- When the threshold value first set, the output signal of light-operated circuit exports the output end no current of linear constant current circuit, and the first LED shines Circuit does not shine.And electric power management circuit is after input terminal detects the output voltage of voltage conversion circuit, into Charge Management Mode charges to rechargeable lithium battery when the brownout of rechargeable lithium battery, when the voltage mistake of rechargeable lithium battery Gao Shi, stopping charge to rechargeable lithium battery.The control terminal detection full bridge rectifier output of emergency lightening control circuit Voltage, when alternating current is successfully accessed, the voltage of full bridge rectifier output is high voltage, at this time emergency lightening control circuit The output of output end no current, the 2nd LED illuminating circuit do not shine.When not having external city to be electrically accessed, full bridge rectifier is without defeated Out, voltage smoothing circuit also Non voltage output, the first LED light module can not be lighted luminous at this time, and voltage conversion circuit cannot Low-voltage dc voltage is provided, battery management circuit enters electric discharge management mode, and rechargeable lithium battery is in addition to giving battery management circuit It provides outside operating voltage, is also emergency lightening control circuit and the 2nd LED by the input terminal of battery management circuit and ground terminal Light emitting module provides voltage, and due to not having alternating current input, the voltage of the output end of full bridge rectifier is zero, emergency lighting at this time The output end of control circuit has electric current output, and the 2nd LED illuminating circuit is made to shine, and carries out emergency lighting.
Embodiment two: as shown in Figures 2 and 3, a kind of linear constant current LED lamp circuit with function of emergency illumination, including First LED light module, the second LED light module, voltage conversion circuit, linear constant current circuit, emergency lightening control circuit, electricity Pond manages circuit and rechargeable lithium battery, and the first LED light module and the second LED light module are respectively provided with positive input terminal and bear Input terminal;Voltage conversion circuit has input, output end and ground terminal;Battery management circuit has input terminal, positive output end, bears Output and ground, rechargeable lithium battery have anode and cathode, and linear constant current LED lamp circuit further includes full-bridge rectification electricity Road, voltage smoothing circuit and light-operated circuit, full bridge rectifier have firewire input terminal, zero curve input, output end and ground connection End, voltage smoothing circuit have input, output end and ground terminal;Light-operated circuit has input terminal, the first output end, second defeated Outlet and ground terminal;Emergency lightening control circuit has input terminal, control terminal, output and ground, linear constant current circuit tool There are input, output end, the first control terminal, the second control terminal and ground terminal, the firewire input terminal of full bridge rectifier is for connecting Connecing the firewire of alternating current, the zero curve input terminal of full bridge rectifier is used to connect the zero curve of alternating current, the output end of full bridge rectifier, The input terminal of voltage smoothing circuit, the first control terminal of linear constant current circuit are connected with the control terminal of emergency lightening control circuit, The positive input terminal of the output end of voltage smoothing circuit, the input terminal of voltage conversion circuit and the first LED light module connects, and first The negative input end of LED light module is connected with the output end of linear constant current circuit, output end, the linear constant current of voltage conversion circuit The input terminal of circuit, the input terminal of light-operated circuit, the input terminal of emergency lightening control circuit, the second LED light module it is just defeated Enter end to connect with the input terminal of battery management circuit, the output end of light-operated circuit and the second control terminal of linear constant current circuit connect It connects, the negative input end connection of the output end of emergency lightening control circuit and the second LED light module, the battery management circuit The anode connection of positive output end and rechargeable lithium battery, the negative output terminal of battery management circuit and the cathode of rechargeable lithium battery connect It connects, the negative input end connection of the output end of linear constant current circuit and the first LED light module, the ground terminal of full bridge rectifier, The ground connection of the ground terminal of voltage smoothing circuit, the ground terminal of voltage conversion circuit, the ground terminal of linear constant current circuit, light-operated circuit End, the ground terminal of emergency lightening control circuit are connected with the ground terminal of battery management circuit.
In the present embodiment, full bridge rectifier is made of full bridge rectifier bridge heap Db, and the 1st foot of full bridge rectifier bridge heap Db is complete The firewire input terminal of bridge rectification circuit, the 3rd foot of full bridge rectifier bridge heap Db are the zero curve input terminal of full bridge rectifier, and full-bridge is whole The 2nd foot for flowing bridge heap Db is the output end of full bridge rectifier, and the 4th foot of full bridge rectifier bridge heap Db is connecing for full bridge rectifier Ground terminal.
In the present embodiment, voltage smoothing circuit includes first diode D1 and first capacitor C1 composition, first diode D1 For rectifier diode, first capacitor C1 is electrolytic capacitor, the just extremely input terminal of voltage smoothing circuit of first diode D1, the Output end of the anode connection and its connecting pin of the cathode and first capacitor C1 of one diode D1 for voltage smoothing circuit, the first electricity The cathode for holding C1 is the ground terminal of voltage smoothing circuit.
In the present embodiment, light-operated circuit includes first resistor R1, second resistance R2, the first triode Q1, the second diode D2 and the second capacitor C2, the second diode D2 is rectifier diode, and the first triode Q1 is phototriode, first resistor R1's One end be light-operated circuit input terminal, the cathode of the second diode D2, one end of second resistance R2 and the second capacitor C2 one end Connection and its connecting pin are the output end of light-operated circuit, the anode and first of the other end of first resistor R1, the second diode D2 The collector of triode Q1 connects, the emitter of the first triode Q1, the other end of second resistance R2 and the second capacitor C2 it is another One end connection and its connecting pin are the ground terminal of light-operated circuit.
In the present embodiment, emergency lightening control circuit includes 3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th Resistance R6, the 7th resistance R7, the 8th resistance R8, third diode D3, third capacitor C3, the second triode Q2 and third transistor Q3, third diode D3 are zener diode, and one end of the 7th resistance R7 is the control terminal of emergency lightening control circuit, the 8th electricity Resistance R8 one end connect with the emitter of third transistor Q3 and its connecting pin for emergency lightening control circuit input terminal, the 6th One end of resistance R6 is the output end of emergency lightening control circuit, the other end of the 7th resistance R7, third diode D3 cathode, One end, the other end of the 8th resistance R8, one end of 3rd resistor R3 of third capacitor C3 is connected with the base stage of third transistor Q3, The connection of one end of the collector of third transistor Q3 and the 4th resistance R4, the one of the other end of the 4th resistance R4, the 5th resistance R5 End is connected with the base stage of the second triode Q2, the collector connection of the other end of the 6th resistance R6 and the second triode Q2, third The anode of diode D3, the other end of third capacitor C3, the other end of 3rd resistor R3, the 5th resistance R5 the other end and second The emitter of triode Q2 connects and its connecting pin is the ground terminal of emergency lightening control circuit.
In the present embodiment, battery management circuit includes the charging and discharging lithium battery managing chip U1 of model DW06K, the 9th electricity The one end for hindering R9, the tenth resistance R10, eleventh resistor R11 and the 4th capacitor C4, eleventh resistor R11 is battery management circuit Input terminal, one end connection of the other end of eleventh resistor R11 and the 9th resistance R9 and its connecting pin is battery management circuit Positive output end, the 3rd foot and the 4th of the 6th foot of charging and discharging lithium battery managing chip U1, charging and discharging lithium battery managing chip U1 One end of capacitor C4 connects and its connecting pin is the negative output terminal of battery management circuit, and the of charging and discharging lithium battery managing chip U1 The other end of 5 feet, the other end of the 9th resistance R9 and the 4th capacitor C4 connects, the 1st foot of charging and discharging lithium battery managing chip U1 It is connected with one end of the tenth resistance R10, the other end of the tenth resistance R10 and the 2nd foot of charging and discharging lithium battery managing chip U1 connect It connects and its connecting pin is the ground terminal of battery management circuit.
In the present embodiment, linear constant current circuit includes the current constant control chip U2 of model SM2083E, twelfth resistor R12, thirteenth resistor R13, the 14th resistance R14, the first NMOS tube M1 and the 4th diode D4, the 4th diode D4 are pressure stabilizing Diode, the 1st foot of current constant control chip U2 are the input terminal of linear constant current resistance, and the 8th foot of current constant control chip U2 is line Property constant-current circuit output end, one end of thirteenth resistor R13 is the first control terminal of linear constant current circuit, the first NMOS tube M1 Grid be linear constant current circuit the second control terminal, one end of the 5th foot of current constant control chip U2 and twelfth resistor R12 connect It connects, the drain electrode connection of the other end of twelfth resistor R12 and the first NMOS tube M1, the 4th foot of current constant control chip U2, the 13rd One end of the other end of resistance R13, the cathode of the 4th diode D4 and the 14th resistance R14 connects, current constant control chip U2's Other end connection and its company of 3rd foot, the source electrode of the first NMOS tube M1, the anode of the 4th diode D4 and the 14th resistance R14 Connect the ground terminal that end is linear constant current circuit.
In the present embodiment, voltage conversion circuit includes Switching Power Supply control the chip U3, the first inductance of model BP8519C L1, the 5th capacitor C5, the 6th capacitor C6, the 5th diode D5, the 15th resistance R15 and the 16th resistance R16, the 5th capacitor C5 For electrolytic capacitor, the 5th diode D5 is rectifier diode, and the 5th foot that Switching Power Supply controls chip U3 is voltage conversion circuit Input terminal, the anode of the 5th capacitor C5, the first inductance L1 one end connected with one end of the 15th resistance R15 and its connecting pin is The output end of voltage conversion circuit, Switching Power Supply control the other end and the 16th of the 3rd foot of chip U3, the 15th resistance R15 One end of resistance R16 connects;Switching Power Supply controls one end connection of the 1st foot and the 6th capacitor C6 of chip U3, the 16th resistance The other end of R16, the other end of the 6th capacitor C6, the other end of the first inductance L1, the cathode of the 5th diode D5 and switch electricity Source controls the 2nd foot connection of chip U3, the anode connection of the cathode of the 5th capacitor C5 and the 5th diode D5 and its connecting pin is The ground terminal of voltage conversion circuit.
In the present embodiment, the first LED light module is connected by n LEDDm-1~Dm-n and is formed, and n is whole more than or equal to 1 Number, positive input terminal of the anode of the 1st LEDDm-1 as the first LED light module, the cathode of n-th of LEDDm-n are first The negative input end of LED light module.Second LED light module is made of single LED Dk or is formed in parallel by plurality of LEDs Dk, The just extremely positive input terminal of the second LED light module of LEDDk, the cathode of LEDDk are the negative input of the second LED light module End.

Claims (8)

1. a kind of linear constant current LED lamp circuit with function of emergency illumination, including the first LED light module, the 2nd LED shine Module, voltage conversion circuit, linear constant current circuit, emergency lightening control circuit, battery management circuit and rechargeable lithium battery, institute The first LED light module and second LED light module stated are respectively provided with positive input terminal and negative input end;The electricity Press translation circuit that there is input, output end and ground terminal;The battery management circuit have input terminal, positive output end, bear it is defeated Outlet and ground terminal, the rechargeable lithium battery have anode and cathode, it is characterised in that the linear constant current LED light electricity Road further includes full bridge rectifier, voltage smoothing circuit and light-operated circuit, the full bridge rectifier have firewire input terminal, Zero curve input, output end and ground terminal, the voltage smoothing circuit have input, output end and ground terminal;Described Light-operated circuit has input terminal, the first output end, second output terminal and ground terminal;The emergency lightening control circuit has defeated Enter end, control terminal, output and ground, the linear constant current circuit has input, output end, the first control terminal, the Two control terminals and ground terminal, the firewire input terminal of the full bridge rectifier are used to connect the firewire of alternating current, the full-bridge The zero curve input terminal of rectification circuit is used to connect the zero curve of alternating current, the output end of the full bridge rectifier, the voltage The control of the input terminal of smooth circuit, the first control terminal of the linear constant current circuit and the emergency lightening control circuit End connection, the input terminal and the first LED hair of the output end of the voltage smoothing circuit, the voltage conversion circuit The positive input terminal of optical module connects, the negative input end of first LED light module and the linear constant current circuit it is defeated Outlet connection, the output end of the voltage conversion circuit, the input terminal of the linear constant current circuit, the light-operated circuit Input terminal, the input terminal of the emergency lightening control circuit, the positive input terminal of second LED light module and described Battery management circuit input terminal connection, the second control of the output end of the light-operated circuit and the linear constant current circuit End connection processed, the output end of the emergency lightening control circuit are connected with the negative input end of second LED light module, The anode connection of the positive output end of the battery management circuit and the rechargeable lithium battery, the battery management circuit Negative output terminal is connected with the cathode of the rechargeable lithium battery, the output end of the linear constant current circuit and described first The negative input end of LED light module connects, the ground connection of the ground terminal of the full bridge rectifier, the voltage smoothing circuit It holds, the ground connection of the ground terminal of the voltage conversion circuit, the ground terminal of the linear constant current circuit, the light-operated circuit It holds, the ground terminal of the emergency lightening control circuit is connected with the ground terminal of the battery management circuit.
2. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The full bridge rectifier stated is made of full bridge rectifier bridge heap, and the 1st foot of the full bridge rectifier bridge heap is the full-bridge rectification The firewire input terminal of circuit, the 3rd foot of the full bridge rectifier bridge heap are the zero curve input terminal of the full bridge rectifier, institute 2nd foot of the full bridge rectifier bridge heap stated is the output end of the full bridge rectifier, the 4th foot of the full bridge rectifier bridge heap For the ground terminal of the full bridge rectifier.
3. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The voltage smoothing circuit stated includes first diode and first capacitor composition, and the first diode is rectifier diode, institute The first capacitor stated is electrolytic capacitor, the input terminal of the just extremely described voltage smoothing circuit of the first diode, institute The cathode for the first diode stated and the anode connection of first capacitor and its connecting pin are the output of the voltage smoothing circuit End, the cathode of the first capacitor are the ground terminal of the voltage smoothing circuit.
4. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The light-operated circuit stated includes first resistor, second resistance, the first triode, the second diode and the second capacitor, and described second Diode is rectifier diode, and first triode is phototriode, and one end of the first resistor is described The input terminal of light-operated circuit, the cathode of second diode, one end of the second resistance and second capacitor One end connection and its connecting pin be the light-operated circuit output end, the other end of the first resistor, described the The anode of two diodes is connected with the collector of first triode, the emitter of first triode, described The other end of second resistance is connected with the other end of second capacitor and its connecting pin is the ground connection of the light-operated circuit End.
5. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The emergency lightening control circuit stated includes 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th electricity Resistance, third diode, third capacitor, the second triode and third transistor, the third diode are zener diode, institute The one end for the 7th resistance stated is the control terminal of the emergency lightening control circuit, one end of the 8th resistance and described Third transistor emitter connection and its connecting pin be the emergency lightening control circuit input terminal, the described the 6th One end of resistance is the output end of the emergency lightening control circuit, the other end of the 7th resistance, the third The cathode of diode, one end of the third capacitor, the other end of the 8th resistance, the 3rd resistor one end It is connected with the base stage of the third transistor, one end of the collector of the third transistor and the 4th resistance connects It connects, the other end of the 4th resistance, one end of the 5th resistance are connected with the base stage of second triode, institute The other end for the 6th resistance stated is connected with the collector of second triode, the anode of the third diode, institute The other end for the third capacitor stated, the other end of the 3rd resistor, the other end of the 5th resistance and described The emitter of two triodes connects and its connecting pin is the ground terminal of the emergency lightening control circuit.
6. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The battery management circuit stated includes the charging and discharging lithium battery managing chip of model DW06K, the 9th resistance, the tenth resistance, the tenth One resistance and the 4th capacitor, one end of the eleventh resistor are the input terminal of the battery management circuit, described the The other end of 11 resistance connected with one end of the 9th resistance and its connecting pin be the battery management circuit just Output end, the 6th foot of the charging and discharging lithium battery managing chip, the 3rd foot of the charging and discharging lithium battery managing chip and One end of 4th capacitor connects and its connecting pin is the negative output terminal of the battery management circuit, the lithium battery 5th foot of management of charging and discharging chip, the other end of the 9th resistance are connected with the other end of the 4th capacitor, described The 1st foot of charging and discharging lithium battery managing chip connected with one end of the tenth resistance, the tenth resistance it is another End is connected with the 2nd foot of the charging and discharging lithium battery managing chip and its connecting pin is the ground connection of the battery management circuit End.
7. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The linear constant current circuit stated includes the current constant control chip of model SM2083E, twelfth resistor, thirteenth resistor, the 14th Resistance, the first NMOS tube and the 4th diode, the 4th diode are zener diode, the current constant control chip 1st foot is the input terminal of the linear constant current resistance, and the 8th foot of the current constant control chip is the linear constant current electricity The output end on road, one end of the thirteenth resistor are the first control terminal of the linear constant current circuit, described first The grid of NMOS tube is the second control terminal of the linear constant current circuit, the 5th foot of the current constant control chip and described Twelfth resistor one end connection, the other end of the twelfth resistor connects with the drain electrode of first NMOS tube, 4th foot of the current constant control chip, the other end of the thirteenth resistor, the cathode of the 4th diode and institute The one end for the 14th resistance stated connects, the 3rd foot of current constant control chip, the source electrode of first NMOS tube, institute The anode for the 4th diode stated is connected with the other end of the 14th resistance and its connecting pin is the linear constant current The ground terminal of circuit.
8. a kind of linear constant current LED lamp circuit with function of emergency illumination according to claim 1, it is characterised in that institute The voltage conversion circuit stated includes Switching Power Supply control chip, the first inductance, the 5th capacitor, the 6th electricity of model BP8519C Appearance, the 5th diode, the 15th resistance and the 16th resistance, the 5th capacitor are electrolytic capacitor, the five or two pole Pipe is rectifier diode, and the 5th foot of the Switching Power Supply control chip is the input terminal of the voltage conversion circuit, described One end of the first positive, described inductance of the 5th capacitor connected with one end of the 15th resistance and its connecting pin is The output end of the voltage conversion circuit, the 3rd foot of the described Switching Power Supply control chip, the 15th resistance it is another One end is connected with one end of the 16th resistance;The 1st foot and the 6th electricity of the Switching Power Supply control chip One end of appearance connects, the other end of the 16th resistance, the other end of the 6th capacitor, first inductance The other end, the 5th diode cathode connect with the 2nd foot of the described Switching Power Supply control chip, the described the 5th is electric The anode of the cathode of appearance and the 5th diode connects and its connecting pin is the ground terminal of the voltage conversion circuit.
CN201820840066.5U 2018-06-01 2018-06-01 A kind of linear constant current LED lamp circuit with function of emergency illumination Active CN208337945U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110248441A (en) * 2019-05-22 2019-09-17 鹰潭阳光照明有限公司 A kind of intelligent light-controlled linear LED lamp circuit
CN110475403A (en) * 2019-07-22 2019-11-19 鹰潭阳光照明有限公司 A kind of the colour temperature setting method and its circuit of intelligence light-adjustable LED lamp
CN110958732A (en) * 2019-10-28 2020-04-03 鹰潭阳光照明有限公司 LED lamp circuit with function of delayed light-off
CN111263485A (en) * 2020-03-03 2020-06-09 浙江阳光照明电器集团股份有限公司 Intelligent LED lamp circuit with fire-fighting emergency lighting function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110248441A (en) * 2019-05-22 2019-09-17 鹰潭阳光照明有限公司 A kind of intelligent light-controlled linear LED lamp circuit
CN110248441B (en) * 2019-05-22 2021-04-20 鹰潭阳光照明有限公司 Intelligent light-operated linear LED lamp circuit
CN110475403A (en) * 2019-07-22 2019-11-19 鹰潭阳光照明有限公司 A kind of the colour temperature setting method and its circuit of intelligence light-adjustable LED lamp
CN110958732A (en) * 2019-10-28 2020-04-03 鹰潭阳光照明有限公司 LED lamp circuit with function of delayed light-off
CN110958732B (en) * 2019-10-28 2021-06-11 鹰潭阳光照明有限公司 LED lamp circuit with function of delayed light-off
CN111263485A (en) * 2020-03-03 2020-06-09 浙江阳光照明电器集团股份有限公司 Intelligent LED lamp circuit with fire-fighting emergency lighting function

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Effective date of registration: 20200311

Address after: 322009 NO.901, Longqi Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province

Patentee after: Harmony Mingxin (Yiwu) Photoelectric Technology Co., Ltd

Address before: 312071 Zhejiang province Shaoxing Paojiang Industrial Zone No. 308 North Road in the robe

Patentee before: Xinhe (Shaoxing) Green Lighting Co., Ltd.