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 PDFInfo
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- 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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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
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820840066.5U CN208337945U (en) | 2018-06-01 | 2018-06-01 | A kind of linear constant current LED lamp circuit with function of emergency illumination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820840066.5U CN208337945U (en) | 2018-06-01 | 2018-06-01 | A kind of linear constant current LED lamp circuit with function of emergency illumination |
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| CN208337945U true CN208337945U (en) | 2019-01-04 |
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Cited By (4)
| 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 |
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2018
- 2018-06-01 CN CN201820840066.5U patent/CN208337945U/en active Active
Cited By (6)
| 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. |