CN106937441B - A kind of control circuit and luminescence fan component of luminescence fan - Google Patents
A kind of control circuit and luminescence fan component of luminescence fan Download PDFInfo
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- CN106937441B CN106937441B CN201710130503.4A CN201710130503A CN106937441B CN 106937441 B CN106937441 B CN 106937441B CN 201710130503 A CN201710130503 A CN 201710130503A CN 106937441 B CN106937441 B CN 106937441B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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Abstract
The invention discloses a kind of control circuit of luminescence fan and luminescence fan components, the control circuit of the luminescence fan, for control at least two fans respectively arranged light bar luminance, control circuit includes governor circuit and at least two light bar control circuits with governor circuit coupling, at least two light bar control circuits are further respectively coupled to the light bar on one fan of correspondence at least two fans, wherein governor circuit is instructed according to the luminous setting of user continues and synchronizes to generate signal light control instruction at least two light bar control circuits, at least two light bar control circuits according to the instruction of received signal light control control respectively the light bar that it is coupled synchronize it is luminous.By the above-mentioned means, the present invention can be avoided light caused by clocking error variation it is inconsistent.
Description
Technical field
The present invention relates to circuit fields, control circuit and luminescence fan component more particularly to a kind of luminescence fan.
Background technique
When the control circuit of current luminescence fan controls multiple fans, the light bar control circuit of each fan receives master control
After the lamp light mode instruction that circuit is sent, synchronous variation is generated according to the light bar being arranged on each fan of respective clock control
Light, but after light bar control circuit operation a period of time, due to clocking error, will lead to its light bar light variation controlled
It is inconsistent.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of control circuit of luminescence fan and luminescence fan component,
It is able to solve in the prior art since clocking error causes light to change inconsistent problem.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of control of luminescence fan is provided
Circuit, for control at least two fans respectively arranged light bar luminance, control circuit include governor circuit with
And at least two light bar control circuits with governor circuit coupling, at least two light bar control circuits are further respectively coupled at least
The light bar on one fan of correspondence in two fans, wherein governor circuit is instructed according to the luminous setting of user at least two
Light bar control circuit continues and the synchronous signal light control that generates instructs, and at least two light bar control circuits are according to the received light control of institute
System instruction control respectively the light bar that it is coupled synchronize it is luminous.
Wherein, governor circuit includes main control chip, and main control chip is instructed according to the luminous setting of user with data packet form
Continue at least two light bar control circuits and the synchronous signal light control for sending the current luminance for indication lamp band instruct,
At least two light bar control circuits obtain signal light control instruction after parsing respectively to received data packet, and according to light
The current luminance of control instruction control light bar.
Wherein, governor circuit further comprises the light setting button and/or external interface with main control chip coupling, wherein
Light setting button generates the corresponding setting instruction that shines according to different key-press status, and external interface from external equipment for connecing
Receive and dispatch light setting instruction.
Wherein, governor circuit further comprises speed regulation circuit for fan, and speed regulation circuit for fan couples main control chip and at least two
A fan, main control chip is arranged instruction according to the revolving speed of user and generates voltage regulating command, and controls speed regulation circuit for fan adjusting
The driving voltage of at least two fans, and then adjust the revolving speed of fan.
Wherein, governor circuit further comprises the revolving speed setting button and/or external interface with main control chip coupling, wherein
Revolving speed setting button generates corresponding revolving speed setting instruction according to different key-press status, and external interface from external equipment for connecing
Receive revolving speed setting instruction.
Wherein, each light bar control circuit includes at least light bar control chip and light bar switching circuit, light bar switching circuit
Couple the light bar on light bar control chip and fan corresponding with light bar control circuit, wherein light bar controls chip according to light
Control instruction generates corresponding switching control instruction to light bar switching circuit, and then the hair of light bar is controlled by light bar switching circuit
Light state.
Wherein, each light bar includes being arranged in parallel at least two strip light bar, and each sub- light bar further comprises being arranged in parallel
At least two different colours luminous branch, light bar switching circuit includes being respectively coupled at least two first of sub- light bar to open
At least two second of the luminous branch of powered-down road and the same luminescent color being respectively coupled at least two strip light bar open
Powered-down road, wherein first switch circuit is used to control the luminance of each sub- light bar respectively, and second switch circuit is for distinguishing
Control the luminance of the luminous branch of the same luminescent color at least two strip light bar.
Wherein, each light bar control circuit further comprises speed regulation circuit for fan, and speed regulation circuit for fan couples light bar control
Fan corresponding to chip and light bar control circuit, wherein main control chip is arranged instruction according to the revolving speed of user and generates voltage tune
Section instruction, light bar control chip and control the driving electricity that speed regulation circuit for fan adjusts the fan that it is coupled according to voltage regulating command
Pressure, and then adjust the revolving speed of fan；Or revolving speed setting instruction is sent to light bar control chip by main control chip, light bar controls core
Piece is arranged instruction according to revolving speed and generates voltage regulating command, and controls the driving that speed regulation circuit for fan adjusts the fan that it is coupled
Voltage, and then adjust the revolving speed of fan.
Wherein, governor circuit further comprises indicator light, and indicator light is used to show the rotary regimes and/or lamp when forefan
The luminance of band.
In order to solve the above technical problems, another technical solution used in the present invention is: a kind of luminescence fan component is provided,
The control circuit of the fan and luminescence fan as described above that are provided with light bar including at least two.
The beneficial effects of the present invention are: being in contrast to the prior art, the present invention provides a kind of control of luminescence fan
Circuit is instructed according to the luminous setting of user, and governor circuit continues at least two light bar control circuits and synchronous generation light
Control instruction, so that at least two light bar control circuits do not need clock circuit, but the luminous setting of user based on the received
Its light bar coupled of control is instructed to synchronize luminous, to avoid the variation of light caused by clocking error inconsistent.
Detailed description of the invention
Fig. 1 is the circuit theory schematic diagram of the control circuit first embodiment of luminescence fan of the present invention；
Fig. 2 is the circuit theory schematic diagram of governor circuit in Fig. 1；
Fig. 3 is the circuit theory schematic diagram of light bar control circuit in Fig. 1；
Fig. 4 is the circuit diagram of light bar control circuit and light bar in Fig. 1；
Fig. 5 is the circuit theory schematic diagram of the control circuit second embodiment of luminescence fan of the present invention；
Fig. 6 is the circuit diagram of speed regulation circuit for fan in Fig. 5；
Fig. 7 is the circuit theory schematic diagram of the control circuit third embodiment of luminescence fan of the present invention；
Fig. 8 is the structural schematic diagram of one embodiment of luminescence fan component of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the circuit theory schematic diagram of the control circuit first embodiment of luminescence fan of the present invention.
As shown in Figure 1, the control circuit 10 of luminescence fan of the present invention be used to controlling at least two fans respectively arranged light bar
Luminance.
Wherein, control circuit 10 includes that governor circuit 101 and at least two light bar coupled with governor circuit 101 control
Circuit 102, at least two light bar control circuits 102 are further respectively coupled on one fan of correspondence at least two fans
Light bar 103；
Governor circuit 101 is instructed according to the luminous setting of user to be continued and is synchronized at least two light bar control circuits 102
Signal light control instruction is generated, at least two light bar control circuits 102 control its institute according to the received signal light control instruction of institute respectively
The light bar 103 of coupling synchronizes luminous.
Wherein, the luminous setting instruction of user is that pre-set light changing pattern instructs, each light changing pattern
Instruction is associated with corresponding signal light control instruction；Governor circuit 101 is instructed according to the luminous setting of user, persistently generates corresponding lamp
Photocontrol instruction, and it is synchronous to the transmission of at least two light bar control circuits of coupling.
Specifically, as shown in Figure 1, in an application examples, governor circuit 101 couples four light bar control circuits 102, often
Light bar 103 on a light bar control circuit 102 one fan of corresponding coupling.Governor circuit 101 refers to according to the luminous setting of user
It enables, such as breathing pattern instruction, persistently generates corresponding signal light control instruction, and be sent to its four light coupled simultaneously
Control circuit 102, each lighting control circuit 102 then according to the signal light control instruction received, control its light bar coupled
103 synchronize it is luminous.Certainly, in other application example, lighting control circuit 102 can be two, three, five or more
It is more, it is not specifically limited herein.
In an application examples, referring to figs. 1 and 2, governor circuit 101 includes main control chip 1011, and coupling is at least
Two light bar control circuits 102.
Specifically, main control chip 1011 is instructed according to the luminous setting of user with data packet form at least two light bar controls
Circuit 102 processed continues and the synchronous signal light control instruction for sending the current luminance for indication lamp band 103, at least two lamps
Band control circuit 102 obtains signal light control instruction after parsing respectively to received data packet, and is referred to according to signal light control
Enable the current luminance of control light bar 103.
Wherein, the luminous setting instruction of user is pre-set instruction, for the light changing pattern of light bar 103 to be arranged
Formula, such as breathing, long bright or gradient color isotype.Main control chip 1011 is generated according to the luminous setting order persistence of user
The signal light control of 103 current light state of light bar instructs, and continues and synchronize to control at least two light bar with data packet form
Circuit 102 is sent, this is sentenced for four light bar control circuits 102；Each light bar control circuit 102 is respectively to the number received
It is parsed according to packet, signal light control instruction is obtained, and its light bar 103 coupled shines with signal light control instruction control, to produce
Raw light identical with the current light state of light bar 103 in signal light control instruction.Due to main control chip 1011 continue and
It is synchronous to send data packet, the data packet that each 102 synchronization of light bar control circuit receives to each light bar control circuit 102
It is identical, to instruct control light bar 103 to shine with identical signal light control, finally realize the light variation in each light bar 103
It is synchronous.
Fig. 2 is further regarded to, in another application examples, governor circuit 101 further comprises and 1011 coupling of main control chip
The light setting button 1012 and/or external interface 1013 connect, wherein light setting button 1012 is according to different key-press status
The corresponding setting instruction that shines is generated, external interface 1013 is used to receive the setting instruction that shines from external equipment.
For example, main control chip 1011 couples a light setting button 1012, seven are previously provided in main control chip 1011
Light changing pattern, including starry sky, breathing, long bright, gradual change color pattern etc. are planted, every kind of light changing pattern correspondence one shines and sets
Instruction is set, user's long-pressing the light setting button 1,012 1 seconds, a light changing pattern can be switched, i.e., switching is primary shines
Setting instruction.Certainly, in other application example, other key-press status such as the number of short-press light setting button 1012 can be set
Corresponding different luminous setting instruction can also be referred to using the corresponding different luminous setting of combination of the key-press status of multiple keys
It enables, it is specific to regard user demand setting, it is not specifically limited herein.
In another example main control chip 1011 couples an external interface 1013, external equipment (such as computer, mobile phone etc.) is by being somebody's turn to do
External interface 1013 connects main control chip 1011, and can send the setting that shines to main control chip 1011 by the external interface 1013
Instruction.Certainly, in other application example, main control chip 1011 can couple light setting button 1012 and external interface simultaneously
1013, wherein light setting button 1012 and the control priority of external interface 1013 can be depending on user demands, herein not
It is specifically limited.
In conjunction with shown in Fig. 2 and Fig. 3, in an application examples, each light bar control circuit 102 includes at least light bar and controls core
Piece 1021 and light bar switching circuit 1022, light bar switching circuit 1022 couple light bar control chip 1021 and with light bar control circuit
Light bar 103 on 102 corresponding fans, wherein light bar controls chip 1021 and generates corresponding switch according to signal light control instruction
Control instruction controls by light bar switching circuit 1022 luminance of light bar 103 to light bar switching circuit 1022.
Specifically, light bar control chip 1021 couples main control chip 1011 and light bar switching circuit 1022, is used for from master control
Chip 1011 obtains signal light control and instructs and generate corresponding switching control instruction, and switching control instruction is pulse width tune herein
System instruction, i.e. PWM control instruction.Light bar controls chip 1021 and the PWM control instruction is sent to light bar switching circuit 1022, leads to
Cross the luminance that light bar switching circuit 1022 controls light bar 103.Certainly, in other application example, switching control instruction can also
To be other kinds of control instruction, it is not specifically limited herein.
In conjunction with shown in Fig. 3 and Fig. 4, each light bar 103 includes being arranged in parallel at least two strip light bar 1031, each sub- light bar
1031 further comprise the luminous branch 10311 at least two different colours being arranged in parallel, and light bar switching circuit 1022 includes
It is respectively coupled at least two first switch circuits 10221 of sub- light bar 1031 and is respectively coupled at least two strip light bar
At least two second switch circuits 10222 of the luminous branch 10311 of the same luminescent color in 1031, wherein first switch is electric
Road 10221 is used to control the luminance of each sub- light bar 1031 respectively, and second switch circuit 10222 for controlling at least respectively
The luminance of the luminous branch 10311 of same luminescent color in two strip light bar 1031.
Specifically, in above application examples, each light bar 103 include six strip light bar 1031, each sub- light bar 1031 into
One step includes the luminous branch 10311 for three different colours being arranged in parallel, respectively R, G and B shine branch, i.e., it is red, green and
The luminous branch of blue three-color LED light composition, as shown in figure 4, every luminous branch 10311 includes three series connection of same color
Light emitting diode D3 and a resistance R1 being series between two of them light emitting diode D3；Three luminous branches 10311
Individually luminous or its luminous combination can produce the light of seven kinds of different colours, such as the luminous meeting together of the luminous branch of R and G
Yellow light is generated, R and B shine, and branch is luminous together to generate purple light.Certainly, in other application example, R, G and B hair
Light branch can also be made of other light-emitting components, be not specifically limited herein.
Wherein, each sub- light bar 1031 couples a first switch circuit 10221, the luminous branch of same luminescent color
10311 one second switch circuit 10222 of coupling, light bar control chip 1021 persistently generate PWM control instruction, control the respectively
One switching circuit 10221 and second switch circuit 10222 can control each luminous branch 10311 in each sub- light bar 1031
Light is bright dark and lamplight brightness.
Specifically, as shown in figure 4, each first switch circuit 10221 includes a triode Q1, the base stage of triode Q1
Light bar is connected to by resistance R2 and controls chip 1021, and collector is connected to being connected in parallel for sub- light bar 1031 and holds a, and emitter connects
Ground；Each second switch circuit 10222 includes two triodes Q2 and Q3, and wherein the base stage of triode Q2 is connected by resistance R3
Chip 1021, the emitter ground connection of triode Q2 are controlled in light bar, the collector of triode Q2 is connected to three poles by resistance R4
The base stage of pipe Q3, the emitter of triode Q3 is connected to power supply, and is connect by resistance R5 with base stage, the collector of triode Q3
It is connected to a luminous branch 10311；Light bar control chip 1021 continues to generate PWM to the base stage of triode Q1, Q2 and control to refer to
It enables, thus whether controlling the conducting of triode Q1, Q2, and then whether the conducting of control triode Q3, i.e. control first switch is electric
Road 10221 and second switch circuit 10222, the final luminance for controlling light bar 103.Certainly, in other embodiments, first
Switching circuit 10221 and second switch circuit 10222 can also use other kinds of circuit, be not specifically limited herein.
It in above embodiment, is instructed according to the luminous setting of user, governor circuit is at least two light bar control circuits
Continue and it is synchronous generate signal light control instruction so that at least two light bar control circuits do not need clock circuit, but according to connecing
It is luminous that the luminous setting of the user of receipts instructs its light bar coupled of control to synchronize, to avoid lamp caused by clocking error
Light variation is inconsistent.
In other embodiments, governor circuit can also control the revolving speed of each fan coupled with it simultaneously, so that
The revolving speed of each fan is synchronous.
It is the circuit theory signal of the control circuit second embodiment of luminescence fan of the present invention referring specifically to Fig. 5, Fig. 5
Figure.Fig. 5 is similar with Fig. 1 structure, and details are not described herein again, the difference is that, governor circuit 201 further comprises fan speed-regulating electricity
Road 2012, speed regulation circuit for fan 2012 couple main control chip 2011 and at least two fans 202, and main control chip 2011 is according to user
Revolving speed setting instruction generate voltage regulating command, and control speed regulation circuit for fan 2012 adjust at least two fans 202 drive
Dynamic voltage, and then adjust the revolving speed of fan 202.
Wherein, the revolving speed setting instruction of user is that pre-set fan gear instructs, each fan gear instruction association
Corresponding voltage regulating command；Main control chip 2011 is arranged instruction according to the revolving speed of user and generates corresponding voltage regulating command,
And the driving voltage that speed regulation circuit for fan 2012 is adjusted in synchronism fan 202 is controlled, and then adjust the revolving speed of fan 202.
Specifically, in conjunction with shown in Fig. 5 and Fig. 6, in an application examples, main control chip 2011 couples speed regulation circuit for fan
2012 and four fans 202, the speed regulation circuit for fan 2012 be PWM alignment circuit.As shown in fig. 6, speed regulation circuit for fan 2012
In, the base stage of triode Q1 is connect by resistance R1 and capacitor C1 in parallel with main control chip 2011, the emitter of triode Q1
Ground connection, the collector of triode Q1 are connect with the base stage of triode Q2, and pass through the diode D1 grid with transistor Q3 respectively
Pole is connected with the emitter of triode Q2, and the base stage of triode Q2 also passes through resistance R2 and connects to power supply, and capacitor C2 is connected to electricity
Between source and ground, the collector of triode Q2 is connect with the source electrode of transistor Q3, the drain electrode of transistor Q3 respectively with diode D2
One end connected with one end of inductance L1, the other end of diode D2 ground connection, resistance R3 be connected to triode Q2 collector and
Between the other end of inductance L1, the other end of inductance L is also connect with one end of one end of capacitor C3 and resistance R4 respectively, capacitor C3
Other end ground connection, the other end of resistance R4 connect with one end of the resistance R5 of parallel connection and capacitor C4, resistance R5 in parallel and electricity
Hold the other end ground connection of C4, the other end of resistance R4 is also connect with main control chip 2011.
When the setting instruction of the revolving speed of user is low or first gear setting instruction, main control chip 2011 generates corresponding voltage and adjusts
DC_PWM is instructed, such as the duty ratio of DC_PWM control instruction is 20%, then the switching tube Q3 in the speed regulation circuit for fan 2012
Turn-on time accounting it is lower, the average input impedance in circuit is larger, and supply voltage fixes (such as 12V), and then causes
Average output voltage DC_0 is lower, that is, the fan average drive voltage DC_0 generated is lower, such as 3V, to adjust turning for fan
Speed is low speed；When the setting instruction of the revolving speed of user is top gear or mid ranger setting instruction, circuit theory and above process class
Seemingly, it is not repeated herein.
As shown in figure 5, when main control chip 2011 adjusts the revolving speed of fan 202 by speed regulation circuit for fan 2012, fan 202
Real-time revolving speed is fed back to main control chip 2011 simultaneously；In addition, as shown in fig. 6, speed regulation circuit for fan 2012 is simultaneously to main control chip
2011 send feedback voltage DC_AC；The revolving speed and feedback voltage DC_AC that main control chip 2011 is fed back according to fan 202 are further
The driving voltage DC_0 of fan 202 is adjusted, to realize that the revolving speed of fan 202 is synchronous.
In another application examples, as shown in figure 5, governor circuit 201 further comprises coupling with main control chip 2011
Revolving speed setting button 2013 and/or external interface 2014, wherein revolving speed setting button 2013 is generated according to different key-press status
Corresponding revolving speed setting instruction, external interface 2014 are used to receive revolving speed setting instruction from external equipment.
For example, main control chip 2011 couples a revolving speed setting button 2013, three are previously provided in main control chip 2011
A fan gear, including top gear, mid ranger and bottom gear, the corresponding revolving speed setting instruction of each fan gear, user are short
It is primary by the revolving speed setting button 2013, primary air fan gear can be switched, that is, switch a revolving speed setting instruction.Certainly, exist
In other application example, long-pressing light setting button 2,013 1 seconds other equal key-press status can be set and correspond to different revolving speed settings
Instruction can also be arranged instruction using the corresponding different revolving speed of combination of the key-press status of multiple keys, specifically regard user demand
Setting, is not specifically limited herein.
In another example main control chip 2011 couples an external interface 2014, external equipment (such as computer, mobile phone etc.) is by being somebody's turn to do
External interface 2014 connects main control chip 2011, and can send revolving speed setting to main control chip 2011 by the external interface 2014
Instruction.Certainly, in other application example, main control chip 2011 can couple revolving speed setting button 2013 and external interface simultaneously
2014, wherein revolving speed setting button 2013 and the control priority of external interface 2014 can be depending on user demands, herein not
It is specifically limited.
Fig. 5 is further regarded to, in other application example, governor circuit 201 further comprises indicator light 2015, indicator light
2015 for showing the luminance of rotary regimes and/or light bar 203 when forefan 202.
Specifically, governor circuit 201 further comprises two kinds of indicator lights 2015a and 2015b, and wherein indicator light 2015a is used
Work as the rotary regimes of forefan 202 in display, such as indicator light 2015a is shown in green when being currently low or first gear, when top gear
It is shown in red；Indicator light 2015b is bright to indicate current 203 normal luminous of light bar, and indicator light 2015b, which does not work, indicates current light bar
203 do not shine.Certainly, in other embodiments, indicator light 2015 can also have more different types, not do specific limit herein
It is fixed.
In present embodiment, governor circuit not only can control the synchronous hair of the light bar being arranged on each fan coupled with it
Light can also control the revolving speed of each fan coupled with it simultaneously, so that the revolving speed of each fan is synchronous.
In other embodiments, governor circuit can control the revolving speed of each fan by light bar control circuit.
It is the circuit theory signal of the control circuit third embodiment of luminescence fan of the present invention referring specifically to Fig. 7, Fig. 7
Figure.Fig. 7 is similar with Fig. 1 structure, and details are not described herein again, the difference is that, each light bar control circuit 301 further comprises wind
Alignment circuit 3012 is fanned, speed regulation circuit for fan 3012 couples corresponding to light bar control chip 3011 and light bar control circuit 301
Fan 302.
In an application examples, main control chip 3013 is arranged instruction according to the revolving speed of user and generates voltage regulating command, lamp
The driving that speed regulation circuit for fan 3012 adjusts its fan 302 coupled is controlled according to voltage regulating command with control chip 3011
Voltage, and then adjust the revolving speed of fan 302.
Wherein, the revolving speed setting instruction of user is that pre-set fan gear instructs, each fan gear instruction association
Corresponding voltage regulating command.In present embodiment, the revolving speed of user setting command source with main control chip 3011 in coupling
Revolving speed setting button 3014 and/or external interface 3015, wherein revolving speed setting button 3014 is generated according to different key-press status
Corresponding revolving speed setting instruction, external interface 3015 are used to receive revolving speed setting instruction from external equipment.
Specifically, as shown in fig. 7, speed regulation circuit for fan 3012 couples four fans 302, main control chip 3013 is according to user
Revolving speed setting instruction generate corresponding voltage regulating command, and the voltage regulating command is sent to light bar control chip
3011, chip 3011 is controlled by light bar and controls the driving voltage that speed regulation circuit for fan 3012 is adjusted in synchronism four fans 302, into
And the revolving speed of fan 302 is adjusted, it is final to realize that four 302 revolving speeds of fan are synchronous.Wherein, which can join
Circuit shown in fig. 6 is examined, details are not described herein again.
In another application examples, revolving speed setting instruction is sent to light bar control chip 3011, lamp by main control chip 3013
Band control chip 3011 is arranged instruction according to revolving speed and generates voltage regulating command, and controls speed regulation circuit for fan 3012 and adjust its institute
The driving voltage of the fan 302 of coupling, and then adjust the revolving speed of fan 302.
Specifically, as shown in fig. 7, light bar control chip 3011 receives the revolving speed from main control chip 3013 and instruction is arranged,
Corresponding voltage regulating command is generated, and controls the driving that speed regulation circuit for fan 3012 adjusts four fans 302 coupled with it
Voltage, and then realize that four 302 revolving speeds of fan are synchronous.Wherein, which can refer to electricity shown in fig. 6
Road, details are not described herein again.
Fig. 7 is further regarded to, light bar controls the revolving speed that chip 3011 adjusts fan 302 by speed regulation circuit for fan 3012
When, fan 302 feeds back its real-time revolving speed to light bar control chip 3011 simultaneously, and it is anti-according to fan 302 that light bar controls chip 3011
The revolving speed of feedback further adjusts the driving voltage of fan 302, to realize that the revolving speed of fan 302 is synchronous.
In present embodiment, governor circuit not only can control the synchronous hair of the light bar being arranged on each fan coupled with it
Light can also control simultaneously the revolving speed of each fan coupled with it, so that the revolving speed of each fan by light bar control circuit
It is synchronous.
Referring to Fig. 8, Fig. 8 is the structural schematic diagram of one embodiment of luminescence fan component of the present invention.As shown in figure 8, this
Invention luminescence fan component 80 is provided with the fan 801 of light bar and the control circuit 802 of luminescence fan including at least two.Its
In, the control circuit 802 of luminescence fan can with reference to luminescence fan of the present invention control circuit first to any implementation of third
The control circuit of luminescence fan in mode, is not repeated herein.
In present embodiment, luminescence fan component is referred to by the control circuit of luminescence fan according to the luminous setting of user
It enables, governor circuit continues at least two light bar control circuits and the synchronous signal light control that generates instructs, so that at least two light bar
Control circuit does not need clock circuit, but its light bar coupled of the luminous setting instruction control of user carries out based on the received
Synchronous light-emitting, to avoid the variation of light caused by clocking error inconsistent.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of control circuit of luminescence fan, for control at least two fans respectively arranged light bar luminous shape
State, which is characterized in that the control circuit includes governor circuit and at least two light bar controls with governor circuit coupling
Circuit processed, at least two light bar control circuit are further respectively coupled to one fan of correspondence at least two fan
On the light bar, wherein the governor circuit is instructed according to the luminous setting of user at least two light bar control circuit
Continue and it is synchronous generate signal light control instruction, at least two light bar control circuit root in the case where clock circuit when not needed
According to the instruction of received signal light control control respectively the light bar that it is coupled synchronize it is luminous；
Wherein, the luminous setting instruction of user is that pre-set light changing pattern instructs, each light changing pattern instruction
It is associated with corresponding signal light control instruction.
2. control circuit according to claim 1, which is characterized in that the governor circuit includes main control chip, the master
It controls chip and is instructed according to the luminous setting of user and continue and synchronize at least two light bar control circuit with data packet form
Send the signal light control instruction for indicating the current luminance of the light bar, at least two light bar control circuit
The signal light control instruction is obtained after parsing respectively to the received data packet, and is instructed according to the signal light control
Control the current luminance of the light bar.
3. control circuit according to claim 2, which is characterized in that the governor circuit further comprises and the master control
The light setting button and/or external interface of chip coupling, wherein the light setting button is produced according to different key-press status
The raw corresponding luminous setting instruction, the external interface are used to receive the luminous setting instruction from external equipment.
4. control circuit according to claim 2, which is characterized in that the governor circuit further comprises fan speed-regulating electricity
Road, the speed regulation circuit for fan couple the main control chip and at least two fan, and the main control chip is according to user's
Revolving speed setting instruction generates voltage regulating command, and controls the driving that the speed regulation circuit for fan adjusts at least two fan
Voltage, and then adjust the revolving speed of the fan.
5. circuit according to claim 4, which is characterized in that the governor circuit further comprises and the main control chip
The revolving speed setting button and/or external interface of coupling, wherein the revolving speed setting button generates phase according to different key-press status
The revolving speed setting instruction answered, the external interface are used to receive the revolving speed setting instruction from external equipment.
6. circuit according to claim 2, which is characterized in that each light bar control circuit is controlled including at least light bar
Chip and light bar switching circuit, the light bar switching circuit couple the light bar control chip and with the light bar control circuit pair
The light bar on the fan answered,
Wherein, the light bar control chip generates corresponding switching control instruction to the light bar according to signal light control instruction
Switching circuit, and then control by the light bar switching circuit luminance of the light bar.
7. circuit according to claim 6, which is characterized in that each light bar includes being arranged in parallel at least two strip lamps
Band, each sub- light bar further comprise the luminous branch at least two different colours being arranged in parallel, the light bar switch
Circuit includes being respectively coupled at least two first switch circuits of the sub- light bar and being respectively coupled at least two described
At least two second switch circuits of the luminous branch of the same luminescent color in sub- light bar, wherein the first switch circuit is used
In the luminance for controlling each sub- light bar respectively, the second switch circuit for controlling at least two strips respectively
The luminance of the luminous branch of same luminescent color in light bar.
8. circuit according to claim 6, which is characterized in that each light bar control circuit further comprises fan tune
Fast circuit, the speed regulation circuit for fan couple fan corresponding to the light bar control chip and the light bar control circuit,
Wherein, instruction generation voltage regulating command is arranged according to the revolving speed of user in the main control chip, and the light bar controls chip
The driving voltage that the speed regulation circuit for fan adjusts the fan that it is coupled is controlled according to the voltage regulating command, in turn
Adjust the revolving speed of the fan；Or
Revolving speed setting instruction is sent to the light bar and controls chip by the main control chip, the light bar control chip according to
The revolving speed setting instruction generates voltage regulating command, and controls the speed regulation circuit for fan and adjust its fan coupled
Driving voltage, and then adjust the revolving speed of the fan.
9. circuit according to claim 1, which is characterized in that the governor circuit further comprises indicator light, the finger
Show that lamp works as the rotary regimes of forefan and/or the luminance of the light bar for showing.
10. a kind of luminescence fan component, which is characterized in that the fan for being provided with light bar including at least two and such as claim
The control circuit of luminescence fan described in 1 to 9 any one.
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| CN106937441B true CN106937441B (en) | 2019-04-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110096102A (en) * | 2018-01-30 | 2019-08-06 | 杨伟 | A kind of control box and for remotely controlling the remote controler of the control box |
| CN108279609A (en) * | 2018-02-13 | 2018-07-13 | 上海山柰智能科技有限公司 | Light pollution control module, computer light pollution controller and control method |
| CN113123986A (en) * | 2021-04-29 | 2021-07-16 | 惠州市众盛电子有限公司 | Cooling fan with synchronization function |
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