CN208175046U - A kind of linear constant current LED light with light-sensing function - Google Patents
A kind of linear constant current LED light with light-sensing function Download PDFInfo
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- CN208175046U CN208175046U CN201820646969.XU CN201820646969U CN208175046U CN 208175046 U CN208175046 U CN 208175046U CN 201820646969 U CN201820646969 U CN 201820646969U CN 208175046 U CN208175046 U CN 208175046U
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Abstract
The linear constant current LED light with light-sensing function that the utility model discloses a kind of, including LED illuminating circuit, AC to DC converter circuit, linear constant current circuit, photoinduction circuit, Parallel Voltage Regulator Circuit circuit and state retaining circuit；Advantage is to replace serial voltage regulation circuit using Parallel Voltage Regulator Circuit circuit, Parallel Voltage Regulator Circuit circuit use zener diode as core voltage stabilizing element, first it is changed into low-voltage from high voltage relative to needs, the serial voltage regulation circuit of integrated circuit pressure stabilizing is carried out again, circuit cost can be greatly reduced, and structure is simple and lower-cost state retaining circuit replaces single chip machine controlling circuit, for being kept for a period of time be conveyed to linear constant current circuit the voltage signal of the output of photoinduction circuit, further reduce costs, thus cost is relatively low for the linear constant current LED light with light-sensing function of the utility model, cost performance with higher, use easy to spread.
Description
Technical field
The utility model relates to a kind of linear constant current LED light, more particularly, to a kind of linear perseverance with light-sensing function
Flow LED light.
Background technique
With being widely used for linear constant current LED light, market also to its function propose other than illumination other are higher
It is required that the linear constant current LED light with light-sensing function is come into being.Locating for LED light real-time detection with light-sensing function
Illuminance size in environment, when the illuminance detected is less than the reference threshold being arranged inside, LED light turns on into illumination mould
Formula, and when the illuminance detected is not less than the reference threshold being arranged inside, LED light is closed.Line with light-sensing function
Property constant current LED lamp can automatically turn on or close according to the light and shade of environment, increasingly be widely used in outdoor street lamp scape
It sees and indoor passageway illuminates.
The existing linear constant current LED light with light-sensing function includes LED illuminating circuit, AC to DC converter circuit, line
Property constant-current circuit, serial voltage regulation circuit, photoinduction circuit and single chip machine controlling circuit, as shown in Figure 1.Wherein LED shines electric
Road has positive input terminal and negative input end, and AC to DC converter circuit has firewire input terminal, zero curve input, output end and ground connection
End, linear constant current circuit have input terminal, control terminal, output and ground, and serial voltage regulation circuit has input terminal, output
End and ground terminal；Photoinduction circuit has input, output end and ground terminal, and single chip machine controlling circuit has input terminal, control
End, output and ground；The firewire of the firewire input termination alternating current of AC to DC converter circuit, the zero of zero curve input termination alternating current
Line, output end, the positive input terminal of LED illuminating circuit of AC to DC converter circuit are connected with the input terminal of serial voltage regulation circuit,
The negative input end of LED illuminating circuit is connected with the output end of linear constant current circuit；The output end of serial voltage regulation circuit, linear perseverance
Input terminal, the input terminal of single chip machine controlling circuit of current circuit are connected with the input terminal of photoinduction circuit；Photoinduction circuit it is defeated
Outlet is connected with the control terminal of single chip machine controlling circuit, the output end of single chip machine controlling circuit and the control terminal of linear constant current circuit
Connection, the ground terminal of AC to DC converter circuit, the ground terminal of serial voltage regulation circuit, single chip machine controlling circuit ground terminal, light
The ground terminal of sensor circuit is connected with the ground terminal of linear constant current circuit.
Although the existing linear constant current LED light with light-sensing function has certain advantage in performance indicator.But
It is that, for being only used as street lamp or Landscape Lighting purposes, the cost of the linear constant current LED light with light-sensing function is preferential
The index of consideration.The serial voltage regulation circuit and single chip machine controlling circuit used in the linear constant current LED light, wherein tandem type
Voltage regulator circuit will meet the power reguirements of single chip machine controlling circuit, and thus the index request of the serial voltage regulation circuit is higher, at
This is higher, while the use of single chip machine controlling circuit also increases cost, thus the high expensive of the linear constant current LED light.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of lower-cost linear with light-sensing function
Constant current LED lamp.
The utility model solves technical solution used by above-mentioned technical problem：It is a kind of with the linear of light-sensing function
Constant current LED lamp, including LED illuminating circuit, AC to DC converter circuit, linear constant current circuit and photoinduction circuit, the LED hair
Optical circuit has positive input terminal and a negative input end, and the AC to DC converter circuit has firewire input terminal, zero curve input terminal, defeated
Outlet and ground terminal, the linear constant current circuit have input terminal, control terminal, output and ground, the photoinduction
Circuit has input, output end and ground terminal, and the firewire input terminal of the AC to DC converter circuit is used to connect the fire of alternating current
Line, zero curve input terminal are used to connect the zero curve of alternating current, the negative input end of the LED illuminating circuit and the linear constant current circuit
Output end connection, the linear constant current LED light further includes Parallel Voltage Regulator Circuit circuit and state retaining circuit, the parallel connection
Type voltage regulator circuit has input, output end and ground terminal, and the state retaining circuit has input, output end and ground connection
End, the positive input terminal and the Parallel Voltage Regulator Circuit of the output end of the AC to DC converter circuit, the LED illuminating circuit
The input terminal of circuit connects, the output end of the Parallel Voltage Regulator Circuit circuit, the input terminal of the linear constant current circuit and institute
The input terminal for the photoinduction circuit stated connects, the input of the output end of the photoinduction circuit and the state retaining circuit
End connection, the output end of the state retaining circuit are connect with the control terminal of the linear constant current circuit, the exchange
Turn the ground terminal of DC circuit, the ground terminal of the Parallel Voltage Regulator Circuit circuit, the ground terminal of the state retaining circuit, institute
The ground terminal for the photoinduction circuit stated is connected with the ground terminal of the linear constant current circuit.
The Parallel Voltage Regulator Circuit circuit includes first resistor, first capacitor and first diode, the first capacitor
For electrolytic capacitor, the first diode is zener diode, and one end of the first resistor is that the parallel connection type is steady
The input terminal of volt circuit, the other end of the first resistor, the cathode of the first diode and the first capacitor
Anode connection and its connecting pin be the Parallel Voltage Regulator Circuit circuit output end, the anode of the first diode and institute
The cathode for the first capacitor stated connects and its connecting pin is the ground terminal of the Parallel Voltage Regulator Circuit circuit.Parallel Voltage Regulator Circuit electricity
By first resistor, first capacitor and first diode composition, structure is simple, low in cost on road.
The photoinduction circuit includes second resistance and phototriode, and one end of the second resistance is described
The input terminal of photoinduction circuit, the other end of the second resistance are connected and are connected with the collector of the phototriode
End is the output end of the photoinduction circuit, the ground connection of the extremely described photoinduction circuit of the transmitting of the phototriode
End.
The state retaining circuit includes the second diode, the second capacitor and 3rd resistor, and second capacitor is
Conventional capacitive, second diode are rectifier diode, and the just extremely described state of second diode is kept
The input terminal of circuit, the one of the cathode of second diode, one end of second capacitor and the 3rd resistor
End connection and its connecting pin are the output end of the state retaining circuit, the other end of second capacitor and described the
The other end of three resistance connects and its connecting pin is the ground terminal of the state retaining circuit.The state retaining circuit is by second
Diode, the second capacitor and 3rd resistor are constituted, and structure is simple, low in cost.
The linear constant current circuit includes the constant current chip and the 4th resistance of model SM2083, the constant current chip
The 1st foot be the linear constant current circuit input terminal, the 8th foot of the constant current chip is the linear constant current circuit
Output end, the 4th foot of the constant current chip is the control terminal of the linear constant current circuit, the of the constant current chip
5 feet are connected with one end of the 4th resistance, and the other end of the 4th resistance and the 3rd foot of the constant current chip connect
It connects and its connecting pin is the ground terminal of the linear constant current circuit.
The AC to DC converter circuit includes full bridge rectifier bridge and third capacitor, and the third capacitor is electrolysis electricity
Hold, the 1st foot of the full bridge rectifier bridge is the firewire input terminal of the AC to DC converter circuit, the full bridge rectifier bridge
The 3rd foot be the AC to DC converter circuit zero curve input terminal, the 2nd foot of the full bridge rectifier bridge and the third
Capacitor anode connection and its connecting pin be the AC to DC converter circuit output end, the 4th of the full bridge rectifier bridge the
Foot is connected with the cathode of the third capacitor and its connecting pin is the ground terminal of the AC to DC converter circuit.
Compared with prior art, the utility model has the advantage of keep electricity by setting Parallel Voltage Regulator Circuit circuit and state
Road, Parallel Voltage Regulator Circuit circuit have input, output end and ground terminal, and state retaining circuit has input, output end and connects
The input terminal of ground terminal, the output end of AC to DC converter circuit, the positive input terminal of LED illuminating circuit and Parallel Voltage Regulator Circuit circuit connects
It connects, output end, the input terminal of linear constant current circuit of Parallel Voltage Regulator Circuit circuit are connected with the input terminal of photoinduction circuit, photoinduction
The output end of circuit is connected with the input terminal of state retaining circuit, the output end of state retaining circuit and the control of linear constant current circuit
End processed connection, the ground terminal of AC to DC converter circuit, the ground terminal of Parallel Voltage Regulator Circuit circuit, state retaining circuit ground terminal,
The ground terminal of photoinduction circuit is connected with the ground terminal of linear constant current circuit, is taken in the utility model using Parallel Voltage Regulator Circuit circuit
For serial voltage regulation circuit, Parallel Voltage Regulator Circuit circuit use zener diode as core voltage stabilizing element, relative to need first from
High voltage is changed into low-voltage, then carries out the serial voltage regulation circuit of integrated circuit pressure stabilizing, and circuit cost can be greatly reduced, and ties
Structure is simple and lower-cost state retaining circuit replaces single chip machine controlling circuit, for by the voltage of the output of photoinduction circuit
Signal is kept for a period of time be conveyed to linear constant current circuit, is further reduced costs, and thus the utility model has light
Cost is relatively low for the linear constant current LED light of inducing function, cost performance with higher, use easy to spread.
Detailed description of the invention
Fig. 1 is the structural block diagram of the existing linear constant current LED light with light-sensing function；
Fig. 2 is the structural block diagram of the linear constant current LED light with light-sensing function of the utility model；
Fig. 3 is the circuit diagram of the linear constant current LED light with light-sensing function 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 light with light-sensing function, including LED illuminating circuit,
AC to DC converter circuit, linear constant current circuit and photoinduction circuit, LED illuminating circuit have positive input terminal and negative input end, hand over
Circulate DC circuit have firewire input terminal, zero curve input, output end and ground terminal, linear constant current circuit have input terminal,
Control terminal, output and ground, photoinduction circuit have input, output end and ground terminal, the fire of AC to DC converter circuit
Line input terminal is used to connect the firewire of alternating current, and zero curve input terminal is used to connect the zero curve of alternating current, the negative input end and line of LED illuminating circuit
Property constant-current circuit output end connection, linear constant current LED light further includes Parallel Voltage Regulator Circuit circuit and state retaining circuit, parallel connection type
Voltage regulator circuit has input, output end and ground terminal, and state retaining circuit has input, output end and ground terminal, exchange
The positive input terminal of the output end, LED illuminating circuit that turn DC circuit is connected with the input terminal of Parallel Voltage Regulator Circuit circuit, and parallel connection type is steady
Output end, the input terminal of linear constant current circuit of volt circuit are connected with the input terminal of photoinduction circuit, the output of photoinduction circuit
End is connected with the input terminal of state retaining circuit, and the output end of state retaining circuit and the control terminal of linear constant current circuit connect,
The ground terminal of AC to DC converter circuit, the ground terminal of Parallel Voltage Regulator Circuit circuit, state retaining circuit ground terminal, photoinduction circuit
Ground terminal connected with the ground terminal of linear constant current circuit.
Embodiment two：As shown in Figures 2 and 3, a kind of linear constant current LED light with light-sensing function, including LED shine
Circuit, AC to DC converter circuit, linear constant current circuit and photoinduction circuit, LED illuminating circuit have positive input terminal and negative input
End, AC to DC converter circuit have firewire input terminal, zero curve input, output end and ground terminal, and linear constant current circuit has defeated
Enter end, control terminal, output and ground, photoinduction circuit has input, output end and ground terminal, AC to DC converter circuit
Firewire input terminal be used to connect the firewire of alternating current, zero curve input terminal is used to connect the zero curve of alternating current, the negative input end of LED illuminating circuit
It being connected with the output end of linear constant current circuit, linear constant current LED light further includes Parallel Voltage Regulator Circuit circuit and state retaining circuit, and
Connection type voltage regulator circuit has input, output end and ground terminal, and state retaining circuit has input, output end and ground terminal,
The output end of AC to DC converter circuit, the positive input terminal of LED illuminating circuit are connected with the input terminal of Parallel Voltage Regulator Circuit circuit, in parallel
Output end, the input terminal of linear constant current circuit of type voltage regulator circuit are connected with the input terminal of photoinduction circuit, photoinduction circuit
Output end is connected with the input terminal of state retaining circuit, and the output end of state retaining circuit and the control terminal of linear constant current circuit connect
It connects, the ground terminal of AC to DC converter circuit, the ground terminal of Parallel Voltage Regulator Circuit circuit, the ground terminal of state retaining circuit, photoinduction
The ground terminal of circuit is connected with the ground terminal of linear constant current circuit.
In the present embodiment, Parallel Voltage Regulator Circuit circuit includes first resistor R1, first capacitor C1 and first diode D1, and first
Capacitor C1 is electrolytic capacitor, and first diode D1 is zener diode, and one end of first resistor R1 is Parallel Voltage Regulator Circuit circuit
The anode of input terminal, the other end of first resistor R1, the cathode of first diode D1 and first capacitor C1 connects and its connecting pin
Anode for the output end of Parallel Voltage Regulator Circuit circuit, first diode D1 is connected with the cathode of first capacitor C1 and its connecting pin is
The ground terminal of Parallel Voltage Regulator Circuit circuit.
In the present embodiment, photoinduction circuit includes second resistance R2 and phototriode Q1, and one end of second resistance R2 is
The other end of the input terminal of photoinduction circuit, second resistance R2 is connected with the collector of phototriode Q1 and connecting pin is light sensation
Answer the output end of circuit, the ground terminal of the transmitting extremely photoinduction circuit of phototriode Q1.
In the present embodiment, state retaining circuit includes the second diode D2, the second capacitor C2 and 3rd resistor R3, the second electricity
Appearance C2 is conventional capacitive, and the second diode D2 is rectifier diode, the just extremely state retaining circuit of the second diode D2 it is defeated
Enter end, the cathode of the second diode D2, the second capacitor C2 one end connect with one end of 3rd resistor R3 and its connecting pin be shape
The other end of the output end of state holding circuit, the second capacitor C2 is connected with the other end of 3rd resistor R3 and its connecting pin is state
The ground terminal of holding circuit.
In the present embodiment, linear constant current circuit includes the constant current chip U1 and the 4th resistance R4 of model SM2083, constant current
The 1st foot of chip U1 is the input terminal of linear constant current circuit, and the 8th foot of constant current chip U1 is the output end of linear constant current circuit,
The 4th foot of constant current chip U1 is the control terminal of linear constant current circuit, and the 5th foot of constant current chip U1 and one end of the 4th resistance R4 connect
It connects, the other end of the 4th resistance R4 is connected with the 3rd foot of constant current chip U1 and its connecting pin is the ground terminal of linear constant current circuit.
In the present embodiment, AC to DC converter circuit includes full bridge rectifier bridge Db and third capacitor C3, third capacitor C3 are electricity
Capacitor is solved, the 1st foot of full bridge rectifier bridge Db is the firewire input terminal of AC to DC converter circuit, and the 3rd foot of full bridge rectifier bridge Db is
The zero curve input terminal of AC to DC converter circuit, the anode connection and its connection of the 2nd foot and third capacitor C3 of full bridge rectifier bridge Db
End is the output end of AC to DC converter circuit, and the 4th foot of full bridge rectifier bridge Db is connected with the cathode of third capacitor C3 and it is connected
End is the ground terminal of AC to DC converter circuit.
In the present embodiment, LED illuminating circuit is formed by n light emitting diode (N1-Nn) series connection, and n is whole more than or equal to 1
Number.
Claims (6)
1. a kind of linear constant current LED light with light-sensing function, including LED illuminating circuit, AC to DC converter circuit, linear perseverance
Current circuit and photoinduction circuit, the LED illuminating circuit have positive input terminal and negative input end, and the exchange turns direct current
Road has firewire input terminal, zero curve input, output end and ground terminal, and the linear constant current circuit has input terminal, control
End, output and ground, the photoinduction circuit have input, output end and ground terminal, and the exchange turns direct current
The firewire input terminal of circuit is used to connect the firewire of alternating current, and zero curve input terminal is used to connect the zero curve of alternating current, the LED illuminating circuit
Negative input end connected with the output end of the linear constant current circuit, it is characterised in that the linear constant current LED light is also wrapped
Parallel Voltage Regulator Circuit circuit and state retaining circuit are included, the Parallel Voltage Regulator Circuit circuit has input, output end and ground terminal,
The state retaining circuit has input, output end and ground terminal, the output end of the AC to DC converter circuit, described
The positive input terminal of LED illuminating circuit connected with the input terminal of the Parallel Voltage Regulator Circuit circuit, the Parallel Voltage Regulator Circuit electricity
The output end on road, the linear constant current circuit input terminal connected with the input terminal of the photoinduction circuit, the light
The output end of sensor circuit is connected with the input terminal of the state retaining circuit, the output end of the state retaining circuit with
The control terminal of the linear constant current circuit connects, the ground terminal of the AC to DC converter circuit, the Parallel Voltage Regulator Circuit
The ground terminal of circuit, the ground terminal of the state retaining circuit, the ground terminal of the photoinduction circuit and described linear
The ground terminal of constant-current circuit connects.
2. a kind of linear constant current LED light with light-sensing function according to claim 1, it is characterised in that it is described and
Connection type voltage regulator circuit includes first resistor, first capacitor and first diode, and the first capacitor is electrolytic capacitor, described
First diode is zener diode, and one end of the first resistor is the input terminal of the Parallel Voltage Regulator Circuit circuit, institute
The anode connection and its connection of the other end for the first resistor stated, the cathode of the first diode and the first capacitor
End is the output end of the Parallel Voltage Regulator Circuit circuit, the anode of the first diode and the cathode of the first capacitor
Connection and its connecting pin are the ground terminal of the Parallel Voltage Regulator Circuit circuit.
3. a kind of linear constant current LED light with light-sensing function according to claim 1, it is characterised in that the light
Sensor circuit includes second resistance and phototriode, and one end of the second resistance is the input of the photoinduction circuit
End, the other end of the second resistance is connected with the collector of the phototriode and connecting pin is the photoinduction
The output end of circuit, the ground terminal of the extremely described photoinduction circuit of the transmitting of the phototriode.
4. a kind of linear constant current LED light with light-sensing function according to claim 1, it is characterised in that the shape
State holding circuit includes the second diode, the second capacitor and 3rd resistor, and second capacitor is conventional capacitive, and described the
Two diodes are rectifier diode, and the input terminal of the just extremely described state retaining circuit of second diode is described
The cathode of the second diode, one end of second capacitor is connected with one end of the 3rd resistor and its connecting pin is
The other end of the output end of the state retaining circuit, second capacitor is connected with the other end of the 3rd resistor
And its connecting pin is the ground terminal of the state retaining circuit.
5. a kind of linear constant current LED light with light-sensing function according to claim 1, it is characterised in that the line
Property constant-current circuit include model SM2083 constant current chip and the 4th resistance, the 1st foot of the constant current chip is described
The input terminal of linear constant current circuit, the 8th foot of the constant current chip is the output end of the linear constant current circuit, described
4th foot of constant current chip is the control terminal of the linear constant current circuit, the 5th foot of the constant current chip and the described the 4th
One end of resistance connects, and the other end of the 4th resistance is connected with the 3rd foot of the constant current chip and its connecting pin is
The ground terminal of the linear constant current circuit.
6. a kind of linear constant current LED light with light-sensing function according to claim 1, it is characterised in that the friendship
Circulation DC circuit includes full bridge rectifier bridge and third capacitor, and the third capacitor is electrolytic capacitor, the full-bridge rectification
1st foot of bridge is the firewire input terminal of the AC to DC converter circuit, and the 3rd foot of the full bridge rectifier bridge is the friendship
Circulate the zero curve input terminal of DC circuit, the anode connection of the 2nd foot of the full bridge rectifier bridge and the third capacitor and
Its connecting pin is the output end of the AC to DC converter circuit, the 4th foot of the full bridge rectifier bridge and third electricity
The cathode of appearance connects and its connecting pin is the ground terminal of the AC to DC converter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646969.XU CN208175046U (en) | 2018-05-03 | 2018-05-03 | A kind of linear constant current LED light with light-sensing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646969.XU CN208175046U (en) | 2018-05-03 | 2018-05-03 | A kind of linear constant current LED light with light-sensing function |
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| Publication Number | Publication Date |
|---|---|
| CN208175046U true CN208175046U (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820646969.XU Active CN208175046U (en) | 2018-05-03 | 2018-05-03 | A kind of linear constant current LED light with light-sensing function |
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| CN (1) | CN208175046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031636A (en) * | 2019-12-31 | 2020-04-17 | 鹰潭阳光照明有限公司 | Light-operated LED lamp circuit capable of setting working mode |
-
2018
- 2018-05-03 CN CN201820646969.XU patent/CN208175046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031636A (en) * | 2019-12-31 | 2020-04-17 | 鹰潭阳光照明有限公司 | Light-operated LED lamp circuit capable of setting working mode |
| CN111031636B (en) * | 2019-12-31 | 2022-05-27 | 鹰潭阳光照明有限公司 | Light-operated LED lamp circuit capable of setting working mode |
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Effective date of registration: 20200628 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: SUNNY WORLD (SHAOXING) GREEN LIGHTING Co.,Ltd. |
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| TR01 | Transfer of patent right |