CN207460541U - The driving circuit of Bluetooth remote control LED light and Bluetooth remote control LED light - Google Patents
The driving circuit of Bluetooth remote control LED light and Bluetooth remote control LED light Download PDFInfo
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- CN207460541U CN207460541U CN201720926311.XU CN201720926311U CN207460541U CN 207460541 U CN207460541 U CN 207460541U CN 201720926311 U CN201720926311 U CN 201720926311U CN 207460541 U CN207460541 U CN 207460541U
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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]
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Abstract
The utility model discloses a kind of driving circuit of Bluetooth remote control LED light and Bluetooth remote control LED light, wherein, the driving circuit of Bluetooth remote control LED light includes：Bluetooth control chip and LED multi-path driving branch, each LED drivings branch include LED light string, booster circuit and intednsity circuit, and LED described in multichannel drives the color of the LED light string in branch different；And Bluetooth control chip is respectively controlled every LED drivings branch, so as to fulfill the brightness that can neatly adjust the LED light string in driving branch per the LED, thus by controlling the brightness of LED multi-path lamp string, so as to realize different color effects after the color addition of multigroup LED light string, and then the Bluetooth remote control LED light is enable to realize full-color function.
Description
Technical field
The utility model is related to lighting technical field, the more particularly to a kind of driving circuit and bluetooth of Bluetooth remote control LED light
Remote control LED lamp
Background technology
With the breakthrough that LED novel opticals design, the exploitation of new lamp kind and the improvement of control software so that LED illumination makes
With more convenient.Ornamental festoon lamp is often used in daily life, user is controlled by Blue-tooth communication method using mobile equipment
LED light, by sending the color of light to changing LED, to adjust internal ambience and adjustment biological clock.Current LED light
It is usually directly driven using Bluetooth control chip, since the voltage and current of chip is all weaker, driving force is low so that LED
The light that lamp is sent is weaker, so as to be unable to reach normal lighting effect.On the other hand, existing color-changed LED light can only be realized red green
Blue monochromatic variation, it is not easy to realize full-color variation.
Utility model content
The main purpose of the utility model is to propose a kind of driving circuit of Bluetooth remote control LED light and Bluetooth remote control LED light,
It is intended to improve the luminosity of LED light and realizes full-color variation.
To achieve the above object, the utility model proposes a kind of Bluetooth remote control LED light driving circuit, including：
Bluetooth control chip；And
LED multi-path drives branch, and each LED drivings branch includes LED light string, booster circuit and brilliance control electricity
Road, LED described in multichannel drive the color of the LED light string in branch different；
In each LED drivings branch：LED light string is connected to the output terminal of booster circuit to form driving loop, institute
The input terminal for stating booster circuit is power access end；Intednsity circuit includes the first switch being series in the driving loop
Pipe；Booster circuit and intednsity circuit are electrically connected with the Bluetooth control chip；
The Bluetooth control chip, for exporting corresponding first PWM controls letter according to the color control signal received
First switch pipe work in number driving LED multi-path driving branch, to control the LED in the LED multi-path driving branch
The luminosity of lamp string, and be combined into different colours and show.
Preferably, the LED light string has three groups, is respectively red LED lamp string, blue led lamp string and green LED lamp
String；
The Bluetooth control chip corresponds to the red LED lamp string, blue led lamp string and green LED lamp string and sends out respectively
Go out three groups of mutually independent first pwm control signals, to control the brightness of the red LED lamp string, blue led lamp string respectively
Brightness, the brightness of green LED lamp string.
Preferably, the intednsity circuit further includes first resistor, second resistance, the first diode；
The output terminal of the first switch pipe is connected with the cathode of the LED light string；The controlled end of the first switch pipe
The first end interconnection of cathode, first resistor with the first diode；The anode of first diode is used to receive described first
Pwm control signal, the second end ground connection of the first resistor；The input end grounding of the first switch pipe.
Preferably, the booster circuit includes the first inductance, second switch pipe, the second capacitance, second resistance, power management
Chip；The power management chip has luminance signal receiving terminal and the first control terminal；The luminance signal receiving terminal with it is described
Bluetooth control chip connects, the brightness control signal that the first control terminal is received according to the luminance signal receiving terminal, to generate
Second pwm control signal, for controlling the supply voltage of the LED light string；
The first end of first inductance is the input terminal of the booster circuit, and the first end of first inductance passes through
Second capacity earth, the second end of first inductance are connected with the output terminal of the second switch pipe, the second switch pipe
Controlled end be connected with first control terminal, the input terminal of the second switch pipe is grounded by the second resistance.
Preferably, the power management chip has feedback reception end, and the driving circuit of the Bluetooth remote control LED light also wraps
Include 3rd resistor, the 4th resistance；
The feedback reception end is by the input terminal of the 3rd resistor and the first switch pipe, the first of the 4th resistance
End interconnection, the second end ground connection of the 4th resistance；
Power management chip is according to the feedback reception voltage signal that receives of termination the 2nd PWM to be controlled to control
Signal.
Preferably, the driving circuit of the Bluetooth remote control LED light further includes electric source monitoring circuit and auxiliary power supply circuit,
The electric source monitoring circuit includes the 5th resistance, the 6th resistance, the second diode；The Bluetooth control chip has power supply monitoring
End；The power supply monitoring end is connected with the anode of second diode, the cathode of second diode and the described 5th electricity
The second end of resistance, the interconnection of the first end of the 6th resistance, the first end of the 5th resistance connect with the input terminal of the booster circuit
It connects；The second end ground connection of 6th resistance；
The Bluetooth control chip has feeder ear；The auxiliary power supply circuit include voltage conversion chip, the 3rd capacitance,
4th capacitance；The input terminal of the input terminal of the voltage conversion chip and booster circuit connects, the voltage conversion chip it is defeated
The outlet and first end of the 3rd capacitance, the feeder ear of the first end of the 4th capacitance and Bluetooth control chip interconnect；
The second end of 3rd capacitance, the second end of the 4th capacitance ground connection.
Preferably, the Bluetooth remote control LED light driving circuit drive a LED light string driving power be more than or
Equal to 5W.
Preferably, the Bluetooth control chip has the change detection end for switch on wall electrical connection, the Bluetooth control
Chip is used to detect the signal that the switch on wall carries out on/off switch, and carries out on/off switch according to the switch on wall
LED light string in LED driving branches described in signal control multichannel shows corresponding color.
The utility model also proposes a kind of Bluetooth remote control LED light, the driving circuit including the Bluetooth remote control LED light with
And power-switching circuit；The input terminal of the power-switching circuit is electrically connected with city, the output terminal of the power-switching circuit with
The input terminal connection of booster circuit in the driving circuit of the Bluetooth remote control LED light.
Preferably, the Bluetooth remote control LED light is ceiling lamp.
Technical solutions of the utility model are by setting LED multi-path to drive branch, and Bluetooth control chip is to every LED
Driving branch is respectively controlled, so as to fulfill can neatly adjust the brightness of the LED light string in driving branch per the LED,
Thus by controlling the brightness of LED multi-path lamp string, to realize different face after realizing the color addition of multigroup LED light string
Color effect, and then the Bluetooth remote control LED light is enable to realize full-color function.On the other hand, due to being provided with booster circuit,
It therefore can be by Bluetooth control chip to the control action of boost chip, to improve the driving force to LED light string, Jin Erti
The brightness of the high LED light string so that user easily carries out brilliance control to the Bluetooth remote control LED light；As a result of
Booster circuit, LED drivings branch described in the utility model can reach more than or equal to 5W the driving function of LED light string,
Greatly improve the practicability of the Bluetooth remote control LED light.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the circuit block diagram of the driving circuit of the utility model Bluetooth remote control LED light；
Fig. 2 is the electrical block diagram of booster circuit and intednsity circuit；
Fig. 3 is red LED lamp string, red LED lamp string, the electrical block diagram of red LED lamp string；
Fig. 4 is the electrical block diagram of electric source monitoring circuit and Bluetooth control chip；
Fig. 5 is the electrical block diagram of auxiliary power supply circuit.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of driving circuit of Bluetooth remote control LED light, referring to Fig. 1, the Bluetooth remote control LED light
Driving circuit include：Bluetooth control chip U1 and LED multi-path driving branch, each LED drivings branch include LED light string
40th, booster circuit 20 and intednsity circuit 30, LED described in multichannel drive the color of the LED light string 40 in branch different；
In each LED drivings branch：LED light string 40 is connected to the output terminal of booster circuit 20 to form driving loop, brightness control
Circuit 30 processed includes the first switch pipe Q1 being series in the driving loop；Booster circuit 20 and intednsity circuit 30 are equal
It is electrically connected with the Bluetooth control chip U1；The Bluetooth control chip U1 is used for according to the color control signal output received
Corresponding first pwm control signal PWM1 drives the first switch pipe Q1 work in the LED multi-path driving branch, to control
The luminosity of the LED light string 40 in LED multi-path driving branch is stated, and is combined into different colours and shows.
The Bluetooth control chip U1 can be connected by bluetooth with intelligent terminal, such as mobile phone, tablet computer etc.；
User sends brightness control signal and color control signal by the intelligent terminal to the Bluetooth control chip U1；It is blue
Tooth control chip U1 further controls the booster circuit 20 to work according to the brightness control signal, according to color control signal
The intednsity circuit 30 is controlled to work.
The booster circuit 20 has input terminal and output terminal, and wherein input terminal is used for input power, in one embodiment,
The input terminal Vin of the booster circuit is connected with power supply adaptor, therefore the voltage range of the input terminal Vin of booster circuit exists
12V~24V by the boosting of booster circuit 20, can make the LED light string 40 with 20 output terminal of booster circuit connect more
More LED lamp beads, so as to improve the luminosity of the LED light string 40, therefore the setting of booster circuit 20 improve it is described
LED drive circuit realizes the brightness regulation model of the utility model Bluetooth remote control LED light to the driving force of LED light string 40
It encloses wider, is more suitable for lighting of home.Preferably, the first switch pipe Q1 is series at the negative side of the LED light string 40.
It is understood that the color of the LED light is formed by the color mixing of different LED light strings 40, therefore
This programme can make multiple LED light strings 40 realize different colors after mixing by controlling the color of single led lamp string 40, into
And realize the color variation of the LED light.In technical solutions of the utility model, at least there are two types of different described of color for tool
LED light string 40 by regulating and controlling the brightness of both LED light strings 40, can realize different mixed effects.It is in the present solution, described
Bluetooth control chip U1 receives the color signal that user sends, by forming control after resolution process per the LED lamp strings 40
First pwm control signal PWM1 of brightness by controlling the on off operating mode of the first switch pipe Q1, and then adjusts LED light string
The electric current of driving loop where 40, and then adjust the brightness of the LED lamp strings 40.The brightness regulation of multigroup LED light string 40 is completed
Afterwards, the LED lamps of the Bluetooth remote control show the desired color of user.
Further, in order to which the Bluetooth remote control LED light is controlled to realize full-color function, the Bluetooth remote control LED light is set
Driving circuit include three paths of LEDs drive branch；Thus, the LED light string 40 of the Bluetooth remote control LED lamps has three groups, is respectively
Red LED lamp string 40, blue led lamp string 40 and green LED lamp string 40；The Bluetooth control chip U1 corresponds to the red
LED light string 40, blue led lamp string 40 and green LED lamp string 40 send three groups of mutually independent first PWM controls letters respectively
Number PWM1, to control the brightness of the brightness of the red LED lamp string 40, blue led lamp string 40, green LED lamp string 40 respectively
Brightness.It is understood that each color of the Color Channel of red, green, blue three is respectively divided into 256 rank brightness, at 0, " lamp " is most weak ---
It is to turn off, and " lamp " is most bright at 255.When three color shade numerical value are identical, the gray tone of different gray values, i.e. three colors are generated
It is most dark black tone when gray scale is all 0；It is most bright white tone when three color shades are all 255.Specifically, figure is referred to
3, it is red LED lamp string 40 between wherein R+ and R-；It is green LED lamp string 40 between G+ and G-；It is blueness between B+ and B-
LED light string 40；It is understood that the quantity for the LED lamp bead wherein connected in the LED light string 40 of these three colors is unlimited, and
And the quantity of the LED lamp bead of 40 series connection can be equal in the LED light string of these three colors, can not also wait.
Technical solutions of the utility model are by setting LED multi-path to drive branch, and Bluetooth control chip U1 is to every described
LED driving branches are respectively controlled, and LED light string 40 in branch is driven per the LED so as to fulfill can neatly adjust
Brightness, thus by controlling the brightness of LED multi-path lamp string 40, to realize reality after the color addition of multigroup LED light string 40
Existing different color effects, and then realize that the Bluetooth remote control LED light can realize full-color function.On the other hand, due to setting
Booster circuit 20, therefore can be by Bluetooth control chip U1 to the control action of boost chip, to improve to LED light string
40 driving force, and then improve the brightness of the LED light string 40 so that user easily to the Bluetooth remote control LED light into
Row brilliance control；As a result of booster circuit 20, LED driving branches described in the utility model are to the driving work(of LED light string 40
It can reach more than or equal to 5W, greatly improve the practicability of the Bluetooth remote control LED light.
Referring to Fig. 2, the electricity of the booster circuit 20 and intednsity circuit 30 in three paths of LEDs of the utility model driving branch
Line structure is identical；Therefore, illustrated herein with the booster circuit 20 and intednsity circuit 30 of wherein LED driving branches.
The intednsity circuit 30 further includes first resistor R1, the first diode D1, the first capacitance C1；Described first opens
The output terminal for closing pipe Q1 is connected with the cathode of the LED light string 40；The controlled end and the first diode of the first switch pipe Q1
The cathode of D1, the first end of first resistor R1, the interconnection of the first end of the second capacitance C2；The anode of the first diode D1 is used
In connection DC power supply, the anode of the first diode D1 receives the first pwm control signal PWM1, the first resistor
The second end of R1 and the second end of the first capacitance C1 ground connection；The input end grounding of the first switch pipe Q1.Specifically, described
The anode D1 of one diode receives the first pwm control signal PWM1, and the anode of the first diode D1 passes through a resistance
R21 is connected with DC power supply, and the DC power supply is used to provide driving voltage for the first switch pipe Q1, in the present solution, institute
It can be the 3.3V voltages provided by the Bluetooth control chip U1 to state DC power supply；The first diode D1 and resistance R21
For preventing electric current from reversely pouring in down a chimney, the pin of the Bluetooth control chip U1 is protected.The first pwm control signal PWM1 leads to
The controlled end of the first switch pipe Q1 is crossed, to control the on off operating mode of the first switch pipe Q1, and then this is controlled first to open
The electric current of driving branch where closing pipe Q1, so as to adjust the brightness of the LED light string 40 of the driving branch.
The first switch pipe Q1 is preferably metal-oxide-semiconductor, the controlled end be the metal-oxide-semiconductor grid, the first switch
The output terminal of pipe Q1 is the drain electrode of the metal-oxide-semiconductor, and the input terminal of the first switch pipe Q1 is the source electrode of the metal-oxide-semiconductor.
The booster circuit 20 includes the first inductance L1, second switch pipe Q2, the second capacitance C2, second resistance R2, power supply
Managing chip U2；The power management chip U2 has luminance signal receiving terminal and the first control terminal GATE；The luminance signal
Receiving terminal is connected with the Bluetooth control chip U1, and the first control terminal GATE receives bright according to the luminance signal receiving terminal
Control signal is spent, to generate the second pwm control signal PWM2, for controlling the output voltage of the booster circuit 20, so as to control
Make the supply voltage of the LED light string 40；The first end of the first inductance L1 is connected with the power access end, and described
The first end of one inductance L1 is grounded by the second capacitance C2, the second end of the first inductance L1 and the second switch pipe Q2
Output terminal connection, the controlled end of the second switch pipe Q2 is connected with the first control terminal GATE, the second switch pipe
The input terminal of Q2 is grounded by the second resistance R2.
Specifically, the first end of the first inductance L1 is also grounded by capacitance C21, the capacitance C21 and the second capacitance
C2 cooperates, to filter out the clutter inputted from the power access end.The GATE feet output the of the power management chip U2
Two pwm control signal PWM2, by controlling the break-make of the second switch pipe Q2, to realize different defeated of the booster circuit 20
Go out voltage, since the framework of the booster circuit 20 is based on BOOST booster circuits 20, the physical circuit course of work is no longer superfluous herein
It states.
The second switch pipe Q2 is preferably metal-oxide-semiconductor, the controlled end be the metal-oxide-semiconductor grid, the second switch
The output terminal of pipe Q2 is the drain electrode of the metal-oxide-semiconductor, and the input terminal of the second switch pipe Q2 is the source electrode of the metal-oxide-semiconductor.
In order to detect the voltage of 20 output terminal of booster circuit in real time, 20 output voltage of booster circuit is controlled to improve
Accuracy and Quick-type, therefore set the power management chip U2 that there is feedback reception end FB, the Bluetooth remote control LED
The driving circuit of lamp further includes 3rd resistor R3, the 4th resistance R4；The 3rd resistor R3 and institute are passed through in the feedback reception end
State the first end interconnection of the input terminal, the 4th resistance R4 of first switch pipe Q1, the second end ground connection of the 4th resistance R4；Power supply
Managing chip U2 is according to the voltage signal that the feedback reception end FB is received to adjust the second pwm control signal PWM2
Duty cycle, and then control the work of the booster circuit.
Specifically, the 4th resistance R4 and 3rd resistor R3 compositions bleeder circuit, with to the first switch pipe
The voltage of Q1 inputs is divided, and partial pressure result is inputted to the feedback reception end, further, the 4th resistance R4
Both ends be also parallel with resistance R21, and the feedback reception end FB is grounded by a capacitance C22, with filtering clutter.
Fig. 4 and Fig. 5 are referred to, the driving circuit of the Bluetooth remote control LED light further includes electric source monitoring circuit and auxiliary supplies
Circuit, the electric source monitoring circuit include the 5th resistance R5, the 6th resistance R6, the second diode D2；The Bluetooth control core
Piece U1 has power supply monitoring end P2.7；The power supply monitoring end P2.7 is connected with the anode of the second diode D2, and described
The cathode of two diode D2 and second end, the first end of the 6th resistance R6 of the 5th resistance R5 interconnect, the 5th resistance
The first end of R5 is connected with the input terminal Vin of the booster circuit；The second end ground connection of the 6th resistance R6；The bluetooth control
Coremaking piece U1 has feeder ear；The auxiliary power supply circuit includes voltage conversion chip U3, the 3rd capacitance C3, the 4th capacitance C4；
The input terminal Vin connections of the input terminal and booster circuit of the voltage conversion chip U3, the output of the voltage conversion chip U3
The feeder ear of the first end of end and the 3rd capacitance C3, the first end of the 4th capacitance C4 and the Bluetooth remote control chip
VDDR is interconnected；The second end of the 3rd capacitance C3, the second end of the 4th capacitance C4 ground connection.
When user switches over the luminescent color of the Bluetooth remote control LED light by switch on wall, can cause to boost
Circuit input end Vin non-transformers are powered, and in order to tackle such case, this programme is provided with the electric source monitoring circuit, when described
During the input terminal Vin non-transformers output of booster circuit, therefore the input terminal Vin voltages of booster circuit pass through the 5th resistance and the 6th
Voltage after electric resistance partial pressure will change, therefore the power supply monitoring end P2.7 detects the input terminal Vin power-off of booster circuit
When, i.e., the 3rd capacitance C3 and the 4th capacitance C4 can be controlled to be powered the Bluetooth control chip U1, to keep bluetooth
Control chip U1 works on.It is understood that the 3rd capacitance C3 and the 4th capacitance C4 in the Bluetooth remote control LED just
Often during work, charged by the voltage conversion chip U3.
The Bluetooth control chip U1 has the change detection end for switch on wall electrical connection, the Bluetooth control chip U1
For detecting the signal that the switch on wall carries out on/off switch, and according to the signal of switch on wall progress on/off switch
LED light string 40 in LED drivings branch described in control multichannel shows corresponding color.
Herein for example, when switch on wall first switches on, the Bluetooth control chip U1 controls the LED light bright
White often switchs once after white lamps are bright, LED light is waited to be pushed aside rapidly after going out, LED light color starts to convert at this time, successively
No matter more by the switch on wall seven kinds of color changes such as brilliant white → green → red light → blueness → yellow → cyan → purple are
Few time seven kinds of colors of this LED light follow above-mentioned circulation change always.
The utility model also proposes a kind of Bluetooth remote control LED light, and Bluetooth remote control LED light includes the Bluetooth remote control LED
The driving circuit and power-switching circuit of lamp；The input terminal of the power-switching circuit is electrically connected with city, the power supply conversion
The output terminal of circuit is connected with the input terminal Vin of booster circuit in the driving circuit of the Bluetooth remote control LED light.The power supply turns
Circuit is changed as power supply adaptor.Preferably, the Bluetooth remote control LED light is ceiling lamp.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of driving circuit of Bluetooth remote control LED light, which is characterized in that including：
Bluetooth control chip；And
LED multi-path drives branch, and each LED drivings branch includes LED light string, booster circuit and intednsity circuit, more
LED described in road drives the color of the LED light string in branch different；
In each LED drivings branch：LED light string is connected to the output terminal of booster circuit to form driving loop, the liter
The input terminal of volt circuit is power access end；Intednsity circuit includes the first switch pipe being series in the driving loop；
Booster circuit and intednsity circuit are electrically connected with the Bluetooth control chip；
The Bluetooth control chip drives for exporting corresponding first pwm control signal according to the color control signal received
First switch pipe work in the dynamic LED multi-path driving branch, to control the LED light string in the LED multi-path driving branch
Luminosity, and be combined into different colours and show.
2. the driving circuit of Bluetooth remote control LED light as described in claim 1, which is characterized in that the LED light string has three groups,
Respectively red LED lamp string, blue led lamp string and green LED lamp string；
The Bluetooth control chip corresponds to the red LED lamp string, blue led lamp string and green LED lamp string and sends three respectively
Mutually independent first pwm control signal of group, with control respectively the brightness of the red LED lamp string, blue led lamp string it is bright
Degree, the brightness of green LED lamp string.
3. the driving circuit of Bluetooth remote control LED light as described in claim 1, which is characterized in that the intednsity circuit is also
Including first resistor, the first diode, the first capacitance
The output terminal of the first switch pipe is connected with the cathode of the LED light string；The controlled end of the first switch pipe and
The cathode of one diode, the first end of first resistor, the interconnection of the first end of the second capacitance；The anode of first diode is used for
DC power supply is connected, the anode of first diode receives first pwm control signal, the second end of the first resistor
It is grounded with the second end of the first capacitance；The input end grounding of the first switch pipe.
4. the driving circuit of Bluetooth remote control LED light as described in claim 1, which is characterized in that the booster circuit includes the
One inductance, second switch pipe, the second capacitance, second resistance, power management chip；The power management chip has luminance signal
Receiving terminal and the first control terminal；The luminance signal receiving terminal is connected with the Bluetooth control chip, and the first control terminal is according to institute
The brightness control signal that luminance signal receiving terminal receives is stated, to generate the second pwm control signal, for controlling the LED light
The supply voltage of string；
The first end of first inductance is the input terminal of the booster circuit, and the first end of first inductance passes through second
Capacity earth, the second end of first inductance are connected with the output terminal of the second switch pipe, the second switch pipe by
Control end is connected with first control terminal, and the input terminal of the second switch pipe is grounded by the second resistance.
5. the driving circuit of Bluetooth remote control LED light as claimed in claim 4, which is characterized in that the power management chip tool
There is feedback reception end, the driving circuit of the Bluetooth remote control LED light further includes 3rd resistor, the 4th resistance；
It is mutual that the input terminal of the 3rd resistor and the first switch pipe, the first end of the 4th resistance are passed through in the feedback reception end
Even, the second end ground connection of the 4th resistance；
Power management chip is according to the feedback reception voltage signal that receives of termination to control second pwm control signal.
6. the driving circuit of Bluetooth remote control LED light as described in claim 1, which is characterized in that the Bluetooth remote control LED light
Driving circuit further includes electric source monitoring circuit and auxiliary power supply circuit, and the electric source monitoring circuit includes the 5th resistance, the 6th electricity
Resistance, the second diode；The Bluetooth control chip has power supply monitoring end；The power supply monitoring end and second diode
Anode connects, and the cathode of second diode and second end, the first end of the 6th resistance of the 5th resistance interconnect, described
The first end of 5th resistance is connected with the input terminal of the booster circuit；The second end ground connection of 6th resistance；
The Bluetooth control chip has feeder ear；The auxiliary power supply circuit includes voltage conversion chip, the 3rd capacitance, the 4th
Capacitance；The input terminal of the voltage conversion chip and the input terminal of booster circuit connect, the output terminal of the voltage conversion chip
The feeder ear interconnection of first end, the first end of the 4th capacitance and the Bluetooth control chip with the 3rd capacitance；It is described
The second end of 3rd capacitance, the second end of the 4th capacitance ground connection.
7. the driving circuit of Bluetooth remote control LED light as described in claim 1, which is characterized in that the Bluetooth remote control LED light
Driving circuit drives the driving power of a LED light string to be more than or equal to 5W.
8. the driving circuit of the Bluetooth remote control LED light as described in claim 1 to 7 any one, which is characterized in that the bluetooth
Control chip that there is the change detection end for switch on wall electrical connection, the Bluetooth control chip is used to detect the switch on wall
Carry out the signal of on/off switch, and the LED drivings according to the switch on wall carries out the signal control multichannel of on/off switch
LED light string in branch shows corresponding color.
9. a kind of Bluetooth remote control LED light, which is characterized in that including the Bluetooth remote control as described in claim 1 to 8 any one
The driving circuit and power-switching circuit of LED light；The input terminal of the power-switching circuit is electrically connected with city, and the power supply turns
The output terminal for changing circuit is connected with the input terminal of booster circuit in the driving circuit of the Bluetooth remote control LED light.
10. Bluetooth remote control LED light as claimed in claim 9, which is characterized in that the Bluetooth remote control LED light is ceiling lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720926311.XU CN207460541U (en) | 2017-07-27 | 2017-07-27 | The driving circuit of Bluetooth remote control LED light and Bluetooth remote control LED light |
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| CN201720926311.XU CN207460541U (en) | 2017-07-27 | 2017-07-27 | The driving circuit of Bluetooth remote control LED light and Bluetooth remote control LED light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584813A (en) * | 2019-01-22 | 2019-04-05 | 钜讯通电子（深圳）有限公司 | Display display control method, device, storage medium and display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584813A (en) * | 2019-01-22 | 2019-04-05 | 钜讯通电子（深圳）有限公司 | Display display control method, device, storage medium and display |
| CN109584813B (en) * | 2019-01-22 | 2020-11-10 | 钜讯通电子（深圳）有限公司 | Display control method and device, storage medium and display |
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Granted publication date: 20180605 Termination date: 20200727 |