CN109729619A - Light-emitting diode driving device - Google Patents
Light-emitting diode driving device Download PDFInfo
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- CN109729619A CN109729619A CN201811547244.6A CN201811547244A CN109729619A CN 109729619 A CN109729619 A CN 109729619A CN 201811547244 A CN201811547244 A CN 201811547244A CN 109729619 A CN109729619 A CN 109729619A
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Abstract
The invention discloses a kind of light-emitting diode driving devices, include an address transceiver, a processor and an at least power supply unit.Address transceiver has a communication address, and address transceiver receives intelligent energy saving building communications protocol (KNX) signal for being loaded with driving address, and when driving address to correspond to communication address, address transceiver generates a driving signal.Processor is electrically connected address transceiver, and receives driving signal, to generate an at least power initiation signal accordingly.Power supply unit electrically connected processing device and an at least light-emitting diode mould group, and power initiation signal is received, to drive light-emitting diode mould group whereby, to reduce signal light control management cost.
Description
Technical field
The present disclosure generally relates to a kind of driving devices, and especially in regard to a kind of light-emitting diode driving device.
Background technique
Intelligent energy saving building communications protocol (KNX) technical standard is one and is widely used in all kinds of profession controls built in object
Technology processed, and be control field " unique open worldwide standard ", in these applications, intelligent energy saving building communications protocol
Be approved for: European standard (CENELEC EN 50090&CEN EN 13321-1), international standard (ISO/IEC 14543-3),
Unite States Standard (ANSI/ASHRAE 135) and Chinese Industrial Standards (CIS) (GB/T 20965-2013), it was demonstrated that intelligent energy saving building communication association
It is set to the following important target.
Intelligent energy saving building communications protocol has intelligent energy saving building communications protocol Chinese user committee member in China
It will do it popularization, can remotely control by a touch tablet to ordinary residence from complicated office and build electricity all in object
Gas control control equipment, such as illumination, shading/shutter, security system, energy management, heating, ventilation, air-conditioning system, signal and prison
The various fields such as control system, service interface and building control system, long-range control, metering, video/audio control, white goods,
Via the demand preset to context, intelligent energy saving building communications protocol system can be by various environment detector
Understand present situation, and automatically turn on air-conditioning or adjustment light shading value, is preset with meeting, be not necessary to artificially manipulate；Not only increase
Comfort, safety can more execute space situation, be substantially improved energy saving and then reach the demands such as climate protection.Current
Mainly based on light-emitting diode (LED), the driver for meeting KNX specification on the market inputs for low-voltage direct for lighting, with
And the driver of exchange input constant voltage output, it is used for LED colour mixture purposes.The application of LED illumination is mostly exchange input, constant current
The mode of output, there has been no exchange input, the LED driver of constant current output with what KNX specification was consistent on the market at present.
Therefore, the present invention is tied up to for above-mentioned puzzlement, proposes a kind of light-emitting diode driving device, to solve known institute
It leads to the problem of.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of light-emitting diode driving device, is that can directly use wisdom
Type energy saving building communications protocol (KNX) signal drives light-emitting diode mould group, different logical without being first converted into other
After news agreement, for example, numerical digit can addressing illumination interface (DALI) agreement, then light-emitting diode mould group is driven, to reduce signal light control
Management cost.
In order to achieve the above object, the present invention provides a kind of light-emitting diode driving device, it is comprising an address transceiver, one
Processor and an at least power supply unit.Address transceiver has a communication address, and the reception of address transceiver is loaded with driving address
Intelligent energy saving building communications protocol (KNX) signal, when driving the corresponding communication address of address, address transceiver generates one
Drive signal.Processor is electrically connected address transceiver, and receives driving signal, to generate at least power initiation news accordingly
Number.Power supply unit electrically connected processing device and an at least light-emitting diode mould group, and power initiation signal is received, to drive whereby
Dynamic light-emitting diode mould group.
In one embodiment of this invention, intelligent energy saving building communications protocol signal is by being electrically connected the address transceiver
A master control set produced by.
In one embodiment of this invention, when processor stops generating power initiation signal, processor triggers address transmitting-receiving
Device generates the response signal for being loaded with communication address, and is transferred to master control set.
In one embodiment of this invention, power initiation signal is pulse width modulation signal, and processor is electrically connected one
Ground terminal and a signal manipulation end, signal manipulation end are electrically connected power supply unit, and processor receives ground connection electricity by ground terminal
Pressure, and high voltage is received by signal manipulation end, to be generated according to driving signal, ground voltage and high voltage in signal manipulation end
Power initiation signal.
In one embodiment of this invention, processor further includes a controller and an electronic switch.Controller is electrically connected
Address transceiver, and receive driving signal.Electronic switch is electrically connected between signal manipulation end and ground terminal, to receive ground connection electricity
Pressure and high voltage, the control terminal of electronic switch are electrically connected controller, and controller cooperates high voltage and ground voltage to utilize drive
The switch state of dynamic signal control electronic switch, and then power initiation signal is generated in signal manipulation end.Stop controlling in controller
When the switch state of electronic switch processed, controller triggers address transceiver and generates response signal.
In one embodiment of this invention, electronic switch is N channel metal-oxide-semifield-effect electric crystal, and gate is as control
End, the source electrode of N channel metal-oxide-semifield-effect electric crystal are electrically connected ground terminal, and the drain of N channel metal-oxide-semifield-effect electric crystal is electrical
Connect signal manipulation end.
In one embodiment of this invention, processor further includes a first resistor and a second resistance.First resistor is electrical
It is connected between controller and gate, second resistance is electrically connected between gate and source electrode.
In one embodiment of this invention, when power supply unit is multiple, light-emitting diode mould group is multiple, all power supplys
All light-emitting diode mould groups are electrically connected in power supply unit.
In one embodiment of this invention, it is wide to further include a transformer, an electronic control switch, a pulse for power supply unit
Spend modulator, a comparison circuit and an optical coupling element.Transformer has primary side and secondary side, and primary side receives a fixed electricity
Pressure, secondary side are electrically connected light-emitting diode mould group.Electronic control switch is electrically connected primary side and ground terminal.Pulse width tune
Become device and be electrically connected electronic control switch, and control the switch state of electronic control switch, to store energy using fixed voltage
Energy is converted in primary side, and by secondary side as output signal.Comparison circuit is electrically connected secondary side and signal manipulation end, and
Output signal and power initiation signal are received, and compares output signal and power initiation signal, to generate a comparison result.Optocoupler
It closes element and is electrically connected comparison circuit and pulse width modulation device, pulse width modulation device compares knot by optical coupling element reception
Fruit to change output signal accordingly, and then drives light-emitting diode mould group by output signal, and adjust light-emitting diode mould group
Brightness.
In one embodiment of this invention, it is wide to further include a transformer, an electronic control switch, a pulse for power supply unit
Spend modulator, a comparison circuit and an optical coupling element.Transformer has primary side and secondary side, and primary side receives a fixed electricity
Pressure, secondary side are electrically connected light-emitting diode mould group.Electronic control switch is electrically connected primary side and ground terminal.Pulse width tune
Become device and be electrically connected electronic control switch and signal manipulation end, and receive power initiation signal, and control electronic control is opened whereby
The switch state of pass, to convert energy in primary side, and by secondary side using fixed voltage storage energy as output signal.Than
It is electrically connected secondary side and a direct current pressure side compared with circuit, and receives the DC signal of output signal Yu DC signal end, and is compared
Compared with output signal and DC signal, to generate a comparison result.Optical coupling element is electrically connected comparison circuit and pulse width tune
Become device, pulse width modulation device receives comparison result by optical coupling element, to change output signal accordingly, and then interrogates by output
Number driving light-emitting diode mould group, and adjust light-emitting diode mould group brightness.
In one embodiment of this invention, power initiation signal be analog signal, processor be electrically connected a ground terminal with
Power supply unit, processor receive ground voltage by ground terminal, to generate power initiation according to driving signal and ground voltage
Signal.
In one embodiment of this invention, processor further includes a controller and a power initiation device.Controller electrically connects
Address transceiver is connect, and receives driving signal.Power initiation device is electrically connected ground terminal and power supply unit, to receive ground connection electricity
Pressure, controller cooperate ground voltage driving power starter to generate power initiation signal.Stop driving power starting in controller
When device generates power initiation signal, controller triggers address transceiver and generates response signal.
In one embodiment of this invention, power initiation device further includes an amplifier, one first start-up resistor, one second opens
Dynamic resistance, a start-up capacitance and a third start-up resistor.Amplifier has a negative input end, a positive input terminal and an output end,
Output end is electrically connected power supply unit.First start-up resistor is electrically connected between output end and negative input end.Second starting
Resistance is electrically connected between negative input end and ground terminal, and amplifier receives ground voltage by the second start-up resistor.Starting electricity
Appearance is electrically connected between ground terminal and positive input terminal.Third start-up resistor is electrically connected between positive input terminal and controller,
Controller is put using the cooperation ground voltage driving of the first start-up resistor, the second start-up resistor, start-up capacitance and third start-up resistor
Big device generates power initiation signal in output end.When controller stops driving amplifier generation power initiation signal, controller
It triggers address transceiver and generates response signal.
In one embodiment of this invention, it is wide to further include a transformer, an electronic control switch, a pulse for power supply unit
Spend modulator, a comparison circuit and an optical coupling element.Transformer has primary side and secondary side, and primary side receives a fixed electricity
Pressure, secondary side are electrically connected light-emitting diode mould group.Electronic control switch is electrically connected primary side and ground terminal.Pulse width tune
Become device and be electrically connected electronic control switch, and control the switch state of electronic control switch, to store energy using fixed voltage
Energy is converted in primary side, and by secondary side as output signal.Comparison circuit is electrically connected secondary side and power initiation device, and
Output signal and power initiation signal are received, and compares output signal and power initiation signal, to generate a comparison result.Optocoupler
It closes element and is electrically connected comparison circuit and pulse width modulation device, pulse width modulation device compares knot by optical coupling element reception
Fruit to change output signal accordingly, and then drives light-emitting diode mould group by output signal, and adjust light-emitting diode mould group
Brightness.
In one embodiment of this invention, it is wide to further include a transformer, an electronic control switch, a pulse for power supply unit
Spend modulator, a comparison circuit and an optical coupling element.Transformer has primary side and secondary side, and primary side receives a fixed electricity
Pressure, secondary side are electrically connected light-emitting diode mould group.Electronic control switch is electrically connected primary side and ground terminal.Pulse width tune
Become device and be electrically connected electronic control switch and power initiation device, and receive power initiation signal, and control electronic control is opened whereby
The switch state of pass, to convert energy in primary side, and by secondary side using fixed voltage storage energy as output signal.Than
It is electrically connected secondary side and a direct current pressure side compared with circuit, and receives the DC signal of output signal Yu DC signal end, and is compared
Compared with output signal and DC signal, to generate a comparison result.Optical coupling element is electrically connected comparison circuit and pulse width tune
Become device, pulse width modulation device receives comparison result by optical coupling element, to change output signal accordingly, and then interrogates by output
Number driving light-emitting diode mould group, and adjust light-emitting diode mould group brightness.
In one embodiment of this invention, light-emitting diode driving device further includes one first printed circuit board and one second
Printed circuit board.First printed circuit board has different two surface, and address transceiver and processor are set to wherein the one of two surfaces
Person, the another one on two surfaces are equipped with one first Port, and address transceiver passes through the first printed circuit board electrically connected processing device.
Second printed circuit board is equipped with power supply unit, an intelligent energy saving building communications protocol Port and one second Port,
Intelligent energy saving building communications protocol Port is close to the edge of the second printed circuit board, and the second Port is far from the second printing electricity
The edge of road plate, the first Port are electrically connected the second Port, to pass through the first printed circuit board and the second printed circuit board
It is electrically connected intelligent energy saving building communications protocol Port and address transceiver, and power supply unit passes through the first printed circuit
Plate, the second printed circuit board, the first Port and the second Port electrically connected processing device, intelligent energy saving building communications protocol
It is in off state between Port and the second printed circuit board.
In one embodiment of this invention, area of the area of the first printed circuit board less than the second printed circuit board.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the first embodiment of light-emitting diode driving device of the invention.
Fig. 2 is the structural decomposition diagram of the second embodiment of light-emitting diode driving device of the invention.
Fig. 3 is the circuit diagram of the 3rd embodiment of light-emitting diode driving device of the invention.
Fig. 4 is the circuit diagram of the fourth embodiment of light-emitting diode driving device of the invention.
Fig. 5 is the circuit diagram of the 5th embodiment of light-emitting diode driving device of the invention.
Fig. 6 is the circuit diagram of the sixth embodiment of light-emitting diode driving device of the invention.
The following are appended drawing references:
10 address transceivers
12 processors
13 signal manipulation ends
14 power supply units
16 master control sets
18 light-emitting diode mould groups
20 first printed circuit boards
22 second printed circuit boards
24 first Ports
26 intelligent energy saving building communications protocol Ports
28 second Ports
32 controllers
34 electronic switches
36 first resistors
38 second resistances
40 transformers
42 electronic control switch
44 pulse width modulation devices
46 comparison circuits
48 optical coupling elements
49 DC signal ends
50 power initiation devices
52 amplifiers
54 first start-up resistors
56 second start-up resistors
58 start-up capacitances
60 third start-up resistors
Specific embodiment
The present invention is described in further details in the following with reference to the drawings and specific embodiments.
It is comprising one below referring to Fig. 1, to introduce the first embodiment of light-emitting diode driving device of the invention
Address transceiver 10, a processor 12 and an at least power supply unit 14, wherein address transceiver 10 is electrically connected master control dress
16 are set, power supply unit 14 is electrically connected an at least light-emitting diode mould group 18.Address transceiver 10 has a communication address, main
Control device 16 generates intelligent energy saving building communications protocol (KNX) the signal K for being loaded with driving address.Address transceiver 10 receives
This intelligent energy saving building communications protocol signal K, when driving address to correspond to communication address, address transceiver 10 generates a driving
Signal D.Processor 12 is electrically connected address transceiver 10, and receives driving signal D, to generate a power initiation signal P accordingly,
Power initiation signal P can be pulse width modulation signal or analog signal.In the first embodiment, power supply unit 14 and shine
The quantity of diode mould group 18 is respectively for one.14 electrically connected processing device 12 of power supply unit and light-emitting diode mould group
18, and power initiation signal P is received, to drive light-emitting diode mould group 18 whereby.Therefore, the present invention can be directly using intelligent
Energy saving building communications protocol signal drives light-emitting diode mould group 18, without being first converted into other different communications protocols
Afterwards, for example, numerical digit can addressing illumination interface (DALI) agreement, then light-emitting diode mould group 18 is driven, to reduce signal light control management
Cost.In addition, processor 12 triggers the generation of address transceiver 10 and is loaded with when processor 12 stops generating power initiation signal P
The response signal R of address is communicated, and is transferred to master control set 16, to notify 16 processor 12 of master control set to go wrong
?.
Since the present invention also can all combine address transceiver 10, processor 12 with power supply unit 14, therefore
When using light-emitting diode driving device of the invention, external any communications protocol converter is not needed again, can directly be made
Light-emitting diode mould group 18 is driven with intelligent energy saving building communications protocol (KNX) signal K, and then reduces mounting converter
Cost.Please refer to Fig. 1 and Fig. 2, the second embodiment of light-emitting diode driving device of the invention introduced below, with
One embodiment is the difference is that second embodiment further includes one first printed circuit board 20 and one second printed circuit board 22.First print
Printed circuit board 20 has different two surface, and address transceiver 10 and processor 12 are set to two surfaces of the first printed circuit board 20
The another one of one of them, two surfaces of the first printed circuit board 20 is equipped with one first Port 24, and address transceiver 10 passes through
First printed circuit board, 20 electrically connected processing device 12.It is intelligent that second printed circuit board 22 is equipped with power supply unit 14, one
Energy saving building communications protocol Port 26 and one second Port 28.Since the component size of power supply unit 14 is larger, therefore the
The area of one printed circuit board 20 makes intelligent energy saving building communications protocol Port less than the area of the second printed circuit board 22
26 are mounted on the second printed circuit board 22, rather than the first printed circuit board 20.In this way, if address transceiver 10 and place
Reason device 12 is broken, and is replaced together without with intelligent energy saving building communications protocol Port 26, to avoid waste element cost.
In order to facilitate the intelligent energy saving building communications protocol signal K of reception, while reducing shared by entire light-emitting diode driving device
Area, for intelligent energy saving building communications protocol Port 26 close to the edge of the second printed circuit board 22, the second Port 28 is remote
Edge from the second printed circuit board 22.First Port 24 is electrically connected the second Port 28, to pass through the first printed circuit
Plate 20 and the second printed circuit board 22 are electrically connected intelligent energy saving building communications protocol Port 26 and address transceiver 10, and
Power supply unit 14 passes through the first printed circuit board 20, the second printed circuit board 22, the first Port 24 and the second Port 28
Electrically connected processing device 12.In breaking shape between intelligent energy saving building communications protocol Port 26 and the second printed circuit board 22
State.The function mode of second embodiment is identical with the first embodiment, and is repeated no more in this.
It is real with first below referring to Fig. 3, to introduce the 3rd embodiment of light-emitting diode driving device of the invention
Example is applied the difference is that the inside of processor 12 and power supply unit 14 forms, and power initiation signal P is pulse width modulation news
Number, and the quantity of power supply unit 14 and light-emitting diode mould group 18, respectively for multiple, all power supply units 14 are distinguished
It is electrically connected all light-emitting diode mould groups 18.
Processor 12 is electrically connected a ground terminal and a signal manipulation end 13, and signal manipulation end 13 is electrically connected power supply supply
Device 14, processor 12 receives ground voltage by ground terminal, and receives high voltage H by signal manipulation end 13, according to driving
Signal D, ground voltage and high voltage H generate power initiation signal P in signal manipulation end 13.Processor 12 further includes a controller
32, an electronic switch 34, a first resistor 36 and a second resistance 38.Controller 32 is electrically connected address transceiver 10, and connects
Receive driving signal D.Electronic switch 34 is electrically connected between signal manipulation end 13 and ground terminal, to receive ground voltage and high voltage
H.The control terminal of electronic switch 34 is electrically connected controller 32, and controller 32 cooperates high voltage H and ground voltage to utilize driving
Signal D controls the switch state of electronic switch 34, and then generates power initiation signal P in signal manipulation end 13.In controller 32
When stopping the switch state of control electronic switch 34, controller 32 triggers address transceiver 10 and generates response signal R.It is specific and
Speech, electronic switch 34 are N channel metal-oxide-semifield-effect electric crystal, gate as control terminal, N channel metal-oxide-semifield-effect electric crystal
Source electrode is electrically connected ground terminal, and the drain of N channel metal-oxide-semifield-effect electric crystal is electrically connected signal manipulation end 13.First resistor 36
It is electrically connected between controller 32 and the gate of N channel metal-oxide-semifield-effect electric crystal, second resistance 38 is electrically connected N channel gold
Between the gate and source electrode of oxygen half-court effect electric crystal.
Each power supply unit 14 further include a transformer 40, an electronic control switch 42, a pulse width modulation device 44,
One comparison circuit 46 and an optical coupling element 48.Transformer 40 has primary side and secondary side, and primary side receives a fixed voltage
F, secondary side are electrically connected corresponding light-emitting diode mould group 18.The primary side of the electric connection transformer 40 of electronic control switch 42
With ground terminal.Pulse width modulation device 44 is electrically connected electronic control switch 42, and controls the switch shape of electronic control switch 42
State, to convert energy in primary side, and by secondary side using fixed voltage F storage energy as output signal O, wherein this is exported
Signal O can be output voltage or output electric current.Comparison circuit 46 is electrically connected secondary side and signal manipulation end 13, and receives output
Signal O and power initiation signal P, and compare output signal O and power initiation signal P, to generate a comparison result T.If output
Signal O is output electric current, then output electric current first can be converted to corresponding voltage, then relatively more corresponding electricity using resistance by comparison circuit 46
Pressure and power initiation signal P, to generate comparison result T.Optical coupling element 48 is electrically connected comparison circuit 46 and pulse width tune
Become device 44, pulse width modulation device 44 receives comparison result T by optical coupling element 48, to change output signal O accordingly, in turn
Corresponding light-emitting diode mould group 18 is driven by output signal O, and adjusts the brightness of corresponding light-emitting diode mould group 18.This hair
It is bright directly to be supplied using intelligent energy saving building communications protocol signal by power supply using address transceiver 10 with processor 12
Device 14 is answered to drive light-emitting diode mould group 18, after being first converted into other different communications protocols, such as numerical digit can determine
Location illuminates interface (DALI) agreement, then drives light-emitting diode mould group 18, to reduce signal light control management cost.
The operation of the light-emitting diode driving device of the third embodiment of the present invention introduced below.Firstly, address is received
It sends out device 10 and receives this intelligent energy saving building communications protocol signal K, when driving address to correspond to communication address, address transceiver 10
Generate driving signal D.Controller 32 receives driving signal D, and cooperates high voltage H and ground voltage to control using driving signal D
The switch state of electronic switch 34 processed, and then power initiation signal P is generated in signal manipulation end 13.Meanwhile the one of transformer 40
Secondary flank receives fixed voltage F, and pulse width modulation device 44 controls the switch state of electronic control switch 42, to utilize fixed voltage
F storage energy converts energy in primary side, and by secondary side as output signal O.Then, comparison circuit 46 receives output signal
O and power initiation signal P, and compare output signal O and power initiation signal P, to generate comparison result T, and passed through light
Coupling element 48 sends pulse width modulation device 44 to.Pulse width modulation device 44 changes output signal O according to comparison result T,
And then corresponding light-emitting diode mould group 18 is driven again by output signal O, and adjust corresponding light-emitting diode mould group 18
Brightness.
Below referring to Fig. 4, to introduce the fourth embodiment of light-emitting diode driving device of the invention, with third reality
Example is applied the difference is that the inside of power supply unit 14 forms.In the fourth embodiment, it is wide to be electrically connected pulse for signal manipulation end 13
Modulator 44 is spent, pulse width modulation device 44 receives power initiation signal P, and controls the switch shape of electronic control switch 42 whereby
State, to convert energy in primary side, and by secondary side using fixed voltage F storage energy as output signal O.In addition, comparing
Circuit 46 is electrically connected a direct current pressure side 49, to replace signal manipulation end.Comparison circuit 46 receives output signal O and direct current
The DC signal DV of pressure side 49, and compare output signal O and DC signal DV, to generate comparison result T.Fourth embodiment its
Remaining technical characteristic is identical as 3rd embodiment, repeats no more in this.
It is real with first below referring to Fig. 5, to introduce the 5th embodiment of light-emitting diode driving device of the invention
Example is applied the difference is that the inside of processor 12 and power supply unit 14 forms, and power initiation signal P is analog signal, and power supply
For the quantity of power supply unit 14 and light-emitting diode mould group 18 respectively for multiple, institute is electrically connected in all power supply units 14
There is light-emitting diode mould group 18.
Processor 12 is electrically connected a ground terminal and an at least power supply unit 14.In the 5th embodiment, power supply is supplied
Device 14 is also for multiple.Processor 12 receives ground voltage by ground terminal, to generate according to driving signal D and ground voltage
Power initiation signal P.Processor 12 further includes a controller 32 and a power initiation device 50.Controller 32 is electrically connected address and receives
Device 10 and power initiation device 50 are sent out, and receives driving signal D.Power initiation device 50 is electrically connected all power supply units 14 and connects
Ground terminal, to receive ground voltage.Controller 32 cooperates ground voltage driving power starter 50 to generate power initiation signal P.Electricity
Source power supply unit 14 receives power initiation signal P, to respectively drive all light-emitting diode mould groups 18 whereby.Stop in controller 32
When driving power starter 50 generates power initiation signal P, controller 32 triggers address transceiver 10 and generates response signal R.
Power initiation device 50 further includes an amplifier 52, one first start-up resistor 54, the starting of one second start-up resistor 56, one
Capacitor 58 and a third start-up resistor 60.Amplifier 52 has a negative input end, a positive input terminal and an output end, output end electricity
Property connection power supply unit 14.First start-up resistor 54 is electrically connected between the output end and negative input end of amplifier 52.The
Two start-up resistors 56 are electrically connected between the negative input end and ground terminal of amplifier 52, and amplifier 52 passes through the second start-up resistor
56 receive ground voltage.Start-up capacitance 58 is electrically connected between ground terminal and the positive input terminal of amplifier 52.Third starting electricity
Resistance 60 is electrically connected between the positive input terminal of amplifier 52 and controller 32, and controller 32 utilizes the first start-up resistor 54, the
Two start-up resistors 56, start-up capacitance 58 and third start-up resistor 60 cooperate ground voltage driving amplifier 52 in the defeated of amplifier 52
Outlet generates power initiation signal P.When controller 32 stops the generation power initiation signal P of driving amplifier 52, controller 32
It triggers address transceiver 10 and generates response signal R.
Each power supply unit 14 further include a transformer 40, an electronic control switch 42, a pulse width modulation device 44,
One comparison circuit 46 and an optical coupling element 48.Transformer 40 has primary side and secondary side, and primary side receives a fixed voltage
F, secondary side are electrically connected corresponding light-emitting diode mould group 18.The primary side of the electric connection transformer 40 of electronic control switch 42
With ground terminal.Pulse width modulation device 44 is electrically connected electronic control switch 42, and controls the switch shape of electronic control switch 42
State, to convert energy in primary side, and by secondary side using fixed voltage F storage energy as output signal O, wherein this is exported
Signal O can be output voltage or output electric current.The amplifier 52 of comparison circuit 46 electric connection secondary side and power initiation device 50
Output end, and output signal O and power initiation signal P are received, and compare output signal O and power initiation signal P, to generate
One comparison result T.If output signal O is output electric current, comparison circuit 46 can be first converted to output electric current pair using resistance
Voltage is answered, then compares corresponding voltage and power initiation signal P, to generate comparison result T.The electric connection of optical coupling element 48 is compared
Circuit 46 and pulse width modulation device 44, pulse width modulation device 44 receives comparison result T by optical coupling element 48, with accordingly
Change output signal O, and then drives corresponding light-emitting diode mould group 18 by output signal O, and adjust light-emitting diode mould group
18 brightness.Identical as 3rd embodiment, the 5th embodiment can also reach identical purpose.
It is real with the 5th below referring to Fig. 6, to introduce the sixth embodiment of light-emitting diode driving device of the invention
Example is applied the difference is that the inside of power supply unit 14 forms.In the sixth embodiment, the amplifier 52 of power initiation device 50 is defeated
Outlet is not electrically connected comparison circuit 46, and the output end of the amplifier 52 of power initiation device 50 is electrically connected pulse width modulation
Device.Pulse width modulation device 44 receives power initiation signal P, and controls the switch state of electronic control switch 42 whereby, with benefit
Energy is converted as output signal O in primary side, and by secondary side with fixed voltage F storage energy.In addition, 46 electricity of comparison circuit
Property connection one direct current pressure side 49.Comparison circuit 46 receives the DC signal DV of output signal O and direct current pressure side 49, and compares
Output signal O and DC signal DV, to generate comparison result T.Remaining technical characteristic of sixth embodiment and the 5th embodiment phase
Together, it is repeated no more in this.
In conclusion the present invention directly can drive light-emitting diode mould using intelligent energy saving building communications protocol signal
Group after being first converted into other different communications protocols, then drives light-emitting diode mould group, to reduce signal light control pipe
Manage cost.
The foregoing is merely a preferred embodiment of the present invention, are not used to limit the scope of implementation of the present invention, therefore lift
All equivalent changes and modifications carried out by according to shape, construction described in the claims in the present invention, feature and spirit should be included in this
In the protection scope of invention.
Claims (17)
1. a kind of light-emitting diode driving device, it is characterised in that it includes:
One address transceiver has a communication address, which receives the intelligent Energy-saving Building for being loaded with driving address
Communications protocol signal is built, when the driving address corresponds to the communication address, which generates a driving signal；
One processor is electrically connected the address transceiver, and receives the driving signal, to generate a power initiation signal accordingly；
And
An at least power supply unit is electrically connected the processor and an at least light-emitting diode mould group, and receives the power initiation
Signal, to drive an at least light-emitting diode mould group whereby.
2. light-emitting diode driving device as described in claim 1, it is characterised in that: the intelligent energy saving building communications protocol
Signal is as produced by the master control set for being electrically connected the address transceiver.
3. light-emitting diode driving device as claimed in claim 2, it is characterised in that: processor stopping generates the power supply and opens
When dynamic signal, which triggers the address transceiver and generates the response signal for being loaded with the communication address, and is transferred to this
Master control set.
4. light-emitting diode driving device as claimed in claim 3, it is characterised in that: the power initiation signal is pulse width
Modulation signal, the processor are electrically connected a ground terminal and a signal manipulation end, the signal manipulation end be electrically connected this at least one
Power supply unit, the processor by the ground terminal receive ground voltage, and by the signal manipulation end receive high voltage, with according to
The power initiation signal is generated in the signal manipulation end according to the driving signal, the ground voltage and the high voltage.
5. light-emitting diode driving device as claimed in claim 4, it is characterised in that: the processor further includes:
One controller is electrically connected the address transceiver, and receives the driving signal；And
One electronic switch is to be electrically connected between the signal manipulation end and the ground terminal, to receive the ground voltage and the height
Voltage, the control terminal of the electronic switch are electrically connected the controller, which cooperates the high voltage and the ground voltage with benefit
The switch state of the electronic switch is controlled with the driving signal, and then generates the power initiation signal in the signal manipulation end,
When the controller stops controlling the switch state of the electronic switch, which triggers the address transceiver and generates response news
Number.
6. the light-emitting diode driving device stated such as claim 5, it is characterised in that: the electronic switch is N channel MOS field
Effect electric crystal, gate are electrically connected the ground terminal as the control terminal, the source electrode of the N channel metal-oxide-semifield-effect electric crystal, the N
The drain of channel metal-oxide-semifield-effect electric crystal is electrically connected the signal manipulation end.
7. the light-emitting diode driving device stated such as claim 6, it is characterised in that: the processor further includes:
One first resistor is to be electrically connected between the controller and the gate；And
One second resistance is to be electrically connected between the gate and the source electrode.
8. light-emitting diode driving device as described in claim 1, it is characterised in that: an at least power supply unit is multiple
When, an at least light-emitting diode mould group be it is multiple, those light-emitting diode mould groups are electrically connected in those power supply units.
9. light-emitting diode driving device as claimed in claim 4, it is characterised in that: at least a power supply unit more wraps for this
Contain:
One transformer has primary side and secondary side, which receives a fixed voltage, which is electrically connected this at least
One light-emitting diode mould group；
One electronic control switch is electrically connected the primary side and the ground terminal；
One pulse width modulation device, is electrically connected the electronic control switch, and controls the switch state of the electronic control switch, with
The energy is converted as output signal in the primary side, and by the secondary side using fixed voltage storage energy；
One comparison circuit is electrically connected the secondary side and the signal manipulation end, and receives the output signal and power initiation news
Number, and compare the output signal and the power initiation signal, to generate a comparison result；And
One optical coupling element is electrically connected the comparison circuit and the pulse width modulation device, and the pulse width modulation device is by being somebody's turn to do
Optical coupling element receives the comparison result, to change the output signal accordingly, and then drives at least one hair by the output signal
Near-infrafed photodiodes mould group, and adjust the brightness of an at least light-emitting diode mould group.
10. light-emitting diode driving device as claimed in claim 4, it is characterised in that: at least a power supply unit more wraps for this
Contain:
One transformer has primary side and secondary side, which receives a fixed voltage, which is electrically connected this at least
One light-emitting diode mould group；
One electronic control switch is electrically connected the primary side and the ground terminal；
One pulse width modulation device is electrically connected the electronic control switch and the signal manipulation end, and receives power initiation news
Number, and the switch state of the electronic control switch is controlled whereby, to store energy in the primary side using the fixed voltage, and
The energy is converted as output signal by the secondary side；
One comparison circuit is electrically connected the secondary side and a direct current pressure side, and receives the output signal and the DC signal end
DC signal, and compare the output signal and the DC signal, to generate a comparison result；And
One optical coupling element is electrically connected the comparison circuit and the pulse width modulation device, and the pulse width modulation device is by being somebody's turn to do
Optical coupling element receives the comparison result, to change the output signal accordingly, and then drives at least one hair by the output signal
Near-infrafed photodiodes mould group, and adjust the brightness of an at least light-emitting diode mould group.
11. light-emitting diode driving device as claimed in claim 3, it is characterised in that: the power initiation signal is analogy news
Number, which is electrically connected a ground terminal and an at least power supply unit, which receives ground connection by the ground terminal
Voltage, to generate the power initiation signal according to the driving signal and the ground voltage.
12. light-emitting diode driving device as claimed in claim 11, it is characterised in that: the processor further includes:
One controller is electrically connected the address transceiver, and receives the driving signal；And
One power initiation device is electrically connected the ground terminal and an at least power supply unit, to receive the ground voltage, the control
Device cooperates the ground voltage that the power initiation device is driven to generate the power initiation signal, stops that the power supply is driven to open in the controller
When dynamic device generates the power initiation signal, which triggers the address transceiver and generates the response signal.
13. light-emitting diode driving device as claimed in claim 12, it is characterised in that: the power initiation device further includes:
One amplifier, has a negative input end, a positive input terminal and an output end, which is electrically connected at least one electricity
Source power supply unit；
One first start-up resistor, is electrically connected between the output end and the negative input end；
One second start-up resistor, is electrically connected between the negative input end and the ground terminal, which second is started by this
Resistance receives the ground voltage；
One start-up capacitance is electrically connected between the ground terminal and the positive input terminal；And
One third start-up resistor, is electrically connected between the positive input terminal and the controller, which utilizes first starting
Resistance, second start-up resistor, the start-up capacitance and the third start-up resistor cooperate the ground voltage to drive the amplifier in this
Output end generates the power initiation signal, when the controller stops that the amplifier is driven to generate the power initiation signal, the control
Device processed triggers the address transceiver and generates the response signal.
14. light-emitting diode driving device as claimed in claim 12, it is characterised in that: at least a power supply unit more wraps for this
Contain:
One transformer has primary side and secondary side, which receives a fixed voltage, which is electrically connected this at least
One light-emitting diode mould group；
One electronic control switch is electrically connected the primary side and the ground terminal；
One pulse width modulation device, is electrically connected the electronic control switch, and controls the switch state of the electronic control switch, with
The energy is converted as output signal in the primary side, and by the secondary side using fixed voltage storage energy；
One comparison circuit is electrically connected the secondary side and the power initiation device, and receives the output signal and power initiation news
Number, and compare the output signal and the power initiation signal, to generate a comparison result；And
One optical coupling element is electrically connected the comparison circuit and the pulse width modulation device, and the pulse width modulation device is by being somebody's turn to do
Optical coupling element receives the comparison result, to change the output signal accordingly, and then drives at least one hair by the output signal
Near-infrafed photodiodes mould group, and adjust the brightness of an at least light-emitting diode mould group.
15. light-emitting diode driving device as claimed in claim 12, it is characterised in that: at least a power supply unit more wraps for this
Contain:
One transformer has primary side and secondary side, which receives a fixed voltage, which is electrically connected this at least
One light-emitting diode mould group；
One electronic control switch is electrically connected the primary side and the ground terminal；
One pulse width modulation device is electrically connected the electronic control switch and the power initiation device, and receives power initiation news
Number, and the switch state of the electronic control switch is controlled whereby, to store energy in the primary side using the fixed voltage, and
The energy is converted as output signal by the secondary side；
One comparison circuit is electrically connected the secondary side and a direct current pressure side, and receives the output signal and the DC signal end
DC signal, and compare the output signal and the DC signal, to generate a comparison result；And
One optical coupling element is electrically connected the comparison circuit and the pulse width modulation device, and the pulse width modulation device is by being somebody's turn to do
Optical coupling element receives the comparison result, to change the output signal accordingly, and then drives at least one hair by the output signal
Near-infrafed photodiodes mould group, and adjust the brightness of an at least light-emitting diode mould group.
16. light-emitting diode driving device as described in claim 1, it is characterised in that it is further included:
One first printed circuit board is with different two surface, and the address transceiver and the processor are set to two surface
One of them, the another one on two surface are equipped with one first Port, which passes through first printed circuit board electricity
Property connects the processor；And
One second printed circuit board which is provided with an at least power supply unit, an intelligent energy saving building communications protocol connection
Port and one second Port, the intelligent energy saving building communications protocol Port, should close to the edge of second printed circuit board
The edge of second Port far from second printed circuit board, first Port are electrically connected second Port, with logical
Cross first printed circuit board and second printed circuit board be electrically connected the intelligent energy saving building communications protocol Port with
The address transceiver, and an at least power supply unit by first printed circuit board, second printed circuit board, this first
Port and second Port are electrically connected the processor, the intelligent energy saving building communications protocol Port and second print
It is in off state between printed circuit board.
17. light-emitting diode driving device as claimed in claim 16, it is characterised in that: the area of first printed circuit board
Less than the area of second printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547244.6A CN109729619B (en) | 2018-12-18 | 2018-12-18 | Driving device of light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547244.6A CN109729619B (en) | 2018-12-18 | 2018-12-18 | Driving device of light emitting diode |
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| Publication Number | Publication Date |
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| CN109729619A true CN109729619A (en) | 2019-05-07 |
| CN109729619B CN109729619B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811547244.6A Active CN109729619B (en) | 2018-12-18 | 2018-12-18 | Driving device of light emitting diode |
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| CN109729619B (en) | 2020-08-18 |
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