CN208540219U - A kind of LED light control circuit - Google Patents
A kind of LED light control circuit Download PDFInfo
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- CN208540219U CN208540219U CN201821211953.2U CN201821211953U CN208540219U CN 208540219 U CN208540219 U CN 208540219U CN 201821211953 U CN201821211953 U CN 201821211953U CN 208540219 U CN208540219 U CN 208540219U
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- led light
- module
- battery
- control
- output end
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model discloses a kind of LED light control circuits, including charge switch module, charge management module, single chip control module, first drive module, second drive module, the LED light of multiple warm whites and a RGB LED light, the input of the charge switch module terminates power input, the output end of the charge switch module is battery charging by charge management module, the control signal of the charge switch module connects the first control output end of single chip control module, the battery is single chip control module power supply, the LED light of the multiple warm white is arranged in parallel, the LED light of multiple warm whites in parallel is connected with the first drive module to be followed by between the output end and ground of battery, the control signal of first drive module connects the PWM output end of single chip control module, the RG B LED light is connected with the second drive module to be followed by between the output end and ground of battery, and the control signal of second drive module connects the second control output end of single chip control module.
Description
Technical field
The utility model relates to field of circuit technology, a kind of particularly LED light control circuit.
Background technique
LED (Light Emitting Diode), light emitting diode are that one kind can convert electrical energy into consolidating for visible light
The semiconductor devices of state, it can directly be converted electricity to light, and have many advantages, such as that energy-saving and environmental protection, long service life, application are more next
It is more extensive.
The existing LED light to circulate in the market does not add intermediate RGB LED light using warm white lamp to realize the effect of glory
Fruit, and most LED light uses current constant control, needs external chip to realize constant current, circuit module is more, at high cost.
Summary of the invention
It is above-mentioned to solve the problems, such as that the purpose of this utility model is to provide a kind of LED light control circuits.
To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of LED light control circuit, including charging
Switch module, charge management module, single chip control module, the first drive module, the second drive module, multiple warm whites
LED light and a RGB LED light, the input of the charge switch module terminate power input, the charge switch module it is defeated
Outlet is battery charging by charge management module, and the control signal of the charge switch module connects single chip control module
First control output end, the battery are single chip control module power supply, and the LED light of the multiple warm white is arranged in parallel, and
The LED light of multiple warm whites of connection is connected with the first drive module to be followed by between the output end and ground of battery, and described first drives
The control signal of dynamic model block connects the PWM output end of single chip control module, and the RGB LED light is connected with the second drive module
It is followed by between the output end and ground of battery, the control signal of second drive module connects the second of single chip control module
Control output end.
It further, further include power detection module, the input of the power detection module terminates power input, described
The output end of power detection module connects the control signal of single chip control module.
Further, the power detection module includes resistance R1, R2 and R26, and the resistance R1 and R2 series connection are followed by
Between power input and ground, the node series resistance R26 between the resistance R1 and R2 connects the control of single chip control module
Input terminal processed.
It further, further include that counnter attack fills module, the counnter attack fills block coupled in series in the charging and discharging circuit of battery.
Further, it includes resistance R27, resistance R28 and NMOS tube Q2 that the counnter attack, which fills module, the NMOS tube Q2's
Drain electrode meets the cathode BAT- of battery, source electrode ground connection, and gate series resistance R27 meets the positive BAT+ of battery, the NMOS tube Q2's
Grid also series resistance R28 ground connection.
It further, further include key module, the key module is connect with single chip control module, for controlling LED
The brightness of the LED light of the light-emitting mode of lamp and multiple warm whites.
Further, the quantity of the LED light of the warm white is 8, and the LED light and RGB LED light of 8 warm whites are all provided with
It sets on pcb board, and the LED light of 8 warm whites is centered around outside RGB LED light.
Further, the LED light of the warm white is the paster LED lamp of model 2835.
Further, the charge management module is realized by the charging chip U1 of model XC5101.
Further, the single chip control module is realized by the single-chip microcontroller U2 of model SN8F570210S.
The advantageous effects of the utility model:
The utility model realizes glory effect by the LED light and centre RGB LED light of warm white, and does not need constant current
IC controls the brightness of LED light, and circuit structure is simple, at low cost and good to the protecting effect of battery, extends the use of battery
Service life.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model specific embodiment.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1, a kind of LED light control circuit, including power detection module, charge switch module, Charge Management mould
Block, single chip control module, the first drive module, the second drive module, the LED light of multiple warm whites and a RGB LED lamp
The input of LED0, the charge switch module terminate power input, and the output end of the charge switch module passes through charging valve
Module is managed as battery charging, the control signal of the charge switch module connects the first control output of single chip control module
End, the battery are single chip control module power supply, and the LED light of the multiple warm white is arranged in parallel, multiple warm whites in parallel
The LED light of color is connected with the first drive module to be followed by between the output end and ground of battery, the control of first drive module
Input terminal connects the PWM output end of single chip control module, and the RGB LED light is connected with the second drive module to be followed by battery
Between output end and ground, the control signal of second drive module connects the second control output end of single chip control module,
The input of the power detection module terminates power input, and the output end of the power detection module connects single chip control module
Control signal.
In this specific embodiment, power input is USB interface, the power detection module include resistance R1, R2 and
R26, the charge switch module include PMOS tube Q6 and NPN triode Q7, and the charge management module includes model
The charging chip U1 of XC5101, the single chip control module include the single-chip microcontroller U2 of model SN8F570210S.
The resistance R1 and R2 series connection be followed by between the power positive end V+ and ground of USB interface, the resistance R1 and R2 it
Between node series resistance R26 connect the P14 foot (control signal) of single-chip microcontroller U2, the power positive end V+ of USB interface connects PMOS
Pipe Q6 connects the end VCC of charging chip U1, and the gate series resistance R8 of PMOS tube Q6 connects the collector of NPN triode Q7, tri- pole NPN
The emitter of pipe Q7 is grounded, and the base series resistor R13 of NPN triode Q7 connects (the first control output of the P02 foot of single-chip microcontroller U2
End), the BAT foot of charging chip U1 meets the positive BAT+ of battery, the cathode BAT- ground connection of battery, the power end VDD of single-chip microcontroller U2
The positive BAT+ of battery is met, more specific circuit is detailed in Fig. 1, this is no longer described in detail.
When USB interface is inserted into 5V voltage, the P14 foot of single-chip microcontroller U2 detects high level, then makes the P02 foot of single-chip microcontroller U2
For high level, NPN triode Q7 conducting, so that PMOS tube Q6 is connected.5V voltage is charged the battery by charging chip U1, resistance
R7 is sampled as constant current resistance, and the CHRG foot of charging chip U1 is low level in charging process, and LED light LED9 (red light) is lighted.
At the end of charging, the CHRG of charging chip U1 is high-impedance state, and the STDBY of charging chip U1 is low level, and LED light LED9 is (red
Lamp) it goes out, LED light LED10 (green light) is lighted, and resistance R3 and R4 are in parallel, it is used as current limliting, in the present embodiment, because using
PMOS tube Q6 itself has the conducting resistance of very little, therefore resistance R3 and R4 are replaced with 0R.
When input voltage always exists, and at the end of charging, the charging of charging chip U1 can be closed, and cell voltage can be slowly
It falls down.When voltage drops to 4.05V, charging chip U1 can be reconnected automatically.In this way can service life to battery into
Row extends.Battery is avoided to be in tricke phase stage for a long time.
It further include that counnter attack fills module, the counnter attack fills block coupled in series in the charging and discharging circuit of battery in this specific embodiment
In, specifically, counnter attack, which fills the drain electrode that module includes resistance R27, resistance R28 and NMOS tube Q2, the NMOS tube Q2, connects battery
Cathode BAT-, source electrode ground connection, gate series resistance R27 connect the positive BAT+ of battery, the grid also series electrical of the NMOS tube Q2
Hinder R28 ground connection.
In the loop using NMOS tube Q2 series connection, when due to artificial fault or other reasons, by the positive and negative anodes of battery
When reversed, since the pole G of NMOS tube Q2 becomes low level, then battery can not be discharged by circuit.In the present embodiment, do not use general
Logical diode is handled to do anti-filling, is because the pressure drop of general-purpose diode is 0.7V, according to diode, then battery is practical exists
Voltage in circuit is then voltage -0.7V, is unfavorable for the use of battery.Certainly, in other embodiments, P ditch can also be used
The metal-oxide-semiconductor in road is handled, this is that those skilled in the art can realize easily, no longer describe in detail.
In this specific embodiment, the quantity of the LED light of warm white is 8, respectively LED1-LED8, preferably model
2835 paster LED lamp, but not limited to this, in other embodiments, the quantity and model of the LED light of warm white can be according to realities
Border is selected, this is that those skilled in the art can realize easily, is no longer described in detail.First drive module includes
NPN triode Q1, the positive BAT+ of the positive termination battery after LED light LED1-LED8 is in parallel, negative terminal series connection NPN triode Q1 connect
Ground, the base stage of NPN triode Q1 connect the P05 foot (PWM output end) of single-chip microcontroller U2, and the PWM wave exported by change P05 foot accounts for
Brightness of the sky than can change LED light LED1-LED8.
RGB LED light LED0 includes blue LED die B1, green LED chip G1 and red LED chips R1, and described second
Drive module includes NPN triode Q3-Q5, the blue LED die B1, green LED chip G1 and red LED chips R1 difference
Connect and be followed by between the positive BAT+ and ground of battery with NPN triode Q3-Q5, the base stage of NPN triode Q3-Q5 respectively with list
P12, P13 and P06 foot (the second control output end) of piece machine U2 connects, and single-chip microcontroller U2 is answered by P12, P13 and P06 foot output phase
Signal control RGB lamp shines in a certain order, dark blue-purplish red-dark blue-green for green-cyan-in this specific embodiment
Color-green, but not limited to this.
In this specific embodiment, LED light LED1-LED8 and RGB LED light LED0 is arranged on pcb board, and LED light
LED1-LED8 is centered around outside RGB LED light LED0.
It further include key module in this specific embodiment, the key module is connect with single chip control module, for controlling
The brightness of the light-emitting mode and LED light LED1-LED8 of LED light LED1-LED8 processed and RGB LED light LED0.Specifically, key
Module includes touch key SW1 and SW2, and touch key SW1 is for controlling the three of LED light LED1-LED8 and RGB LED light LED0
Kind light-emitting mode: 1.LED lamp LED1-LED8 is bright；2.RGB LED light LED0 is bright.3.LED lamp LED1-LED8 and RGB LED light
LED0 is bright together, this Three models is that circulation occurs, and realizes easy glory effect.Touch key SW2 controls LED light LED1-
The brightness of LED8, the cyclic switching between 10%-100% back and forth.
Certainly, in other embodiments, the control mode of key can be by bluetooth, 2.4G module, and WIFI etc. is realized, this
It is that those skilled in the art can realize easily, no longer describes in detail.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (10)
1. a kind of LED light control circuit, it is characterised in that: control mould including charge switch module, charge management module, single-chip microcontroller
Block, the first drive module, the second drive module, the LED light of multiple warm whites and a RGB LED light, the charge switch module
Input terminate power input, the output end of the charge switch module is that battery charges by charge management module, described
The control signal of charge switch module connects the first control output end of single chip control module, and the battery is single-chip microcontroller control
The LED light of module for power supply, the multiple warm white is arranged in parallel, the LED light and the first drive module of multiple warm whites in parallel
Series connection is followed by between the output end and ground of battery, and the control signal of first drive module connects single chip control module
PWM output end, the RGB LED light is connected with the second drive module to be followed by between the output end and ground of battery, and described second
The control signal of drive module connects the second control output end of single chip control module.
2. LED light control circuit according to claim 1, it is characterised in that: it further include power detection module, the power supply
The input of detection module terminates power input, and the control that the output end of the power detection module connects single chip control module is defeated
Enter end.
3. LED light control circuit according to claim 2, it is characterised in that: the power detection module include resistance R1,
R2 and R26, the resistance R1 and R2 series connection are followed by between power input and ground, the node string between the resistance R1 and R2
Connection resistance R26 connects the control signal of single chip control module.
4. LED light control circuit according to claim 1, it is characterised in that: further include that counnter attack fills module, the counnter attack fills
Block coupled in series is in the charging and discharging circuit of battery.
5. LED light control circuit according to claim 4, it is characterised in that: the counnter attack fill module include resistance R27,
Resistance R28 and NMOS tube Q2, the drain electrode of the NMOS tube Q2 meet the cathode BAT- of battery, source electrode ground connection, gate series resistance R27
Connect the positive BAT+ of battery, the grid of the NMOS tube Q2 also series resistance R28 ground connection.
6. LED light control circuit according to claim 1, it is characterised in that: it further include key module, the key module
It is connect with single chip control module, for controlling the brightness of the light-emitting mode of LED light and the LED light of multiple warm whites.
7. LED light control circuit according to claim 1, it is characterised in that: the quantity of the LED light of the warm white is 8
A, the LED light and RGB LED light of 8 warm whites are arranged on pcb board, and the LED light of 8 warm whites is centered around RGB LED
Outside lamp.
8. LED light control circuit according to claim 7, it is characterised in that: the LED light of the warm white is model
2835 paster LED lamp.
9. LED light control circuit according to claim 1, it is characterised in that: the charge management module is by model
The charging chip U1 of XC5101 is realized.
10. LED light control circuit according to claim 1, it is characterised in that: the single chip control module is by model
The single-chip microcontroller U2 of SN8F570210S is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821211953.2U CN208540219U (en) | 2018-07-27 | 2018-07-27 | A kind of LED light control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821211953.2U CN208540219U (en) | 2018-07-27 | 2018-07-27 | A kind of LED light control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208540219U true CN208540219U (en) | 2019-02-22 |
Family
ID=65385957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821211953.2U Active CN208540219U (en) | 2018-07-27 | 2018-07-27 | A kind of LED light control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208540219U (en) |
-
2018
- 2018-07-27 CN CN201821211953.2U patent/CN208540219U/en active Active
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