CN206807822U - A kind of LED dimming control systems - Google Patents
A kind of LED dimming control systems Download PDFInfo
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- CN206807822U CN206807822U CN201720464199.2U CN201720464199U CN206807822U CN 206807822 U CN206807822 U CN 206807822U CN 201720464199 U CN201720464199 U CN 201720464199U CN 206807822 U CN206807822 U CN 206807822U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of LED dimming control systems, the system includes：Dimmer switch and at least one LED power, the dimmer switch are connected by power line with the LED power；Wherein, the dimmer switch is used to generate dim signal and receives the dim signal of the power line transmission by power line transmission to LED light source, the LED light source, is used to drive LED light source to complete the light modulation to LED light source after modulating the dim signal.The LED dimming control systems can drive multiple LED light sources simultaneously, while extra connection is not needed in construction and installation, therefore relative to existing light controller, reduce cost, while also reduce the difficulty of construction.
Description
Technical field
It the utility model is related to power circuit technical field, more particularly to a kind of LED light adjusting systems.
Background technology
At present, LED illumination light source, has been required to dimming function, and dimming function can not only energy-conserving and environment-protective, moreover it is possible to set off gas by contrast
Atmosphere.It is a kind of embodiment of life style again for lighting of home.Energy-conservation is one of the advantages of LED is most prominent, if introducing light modulation
Technology, it can larger play the power savings advantages of LED illumination.Existing dimming mode is roughly divided into：Controllable silicon light modulation, 1-10V
Light modulation and DALI desk lamps with dimmer switch, but these dimming modes have shortcoming, for example the weak current of controllable silicon light modulation can cause LED still
There is Weak-luminescence phenomenon, 1-10V light modulations and DALI desk lamps with dimmer switch are required to increase by one group of connection, therefore add cost, simultaneously
Cause difficulty of construction big.Existing LED light modulations can only adjust single LED light source simultaneously.
Utility model content
Embodiment of the present utility model provides a kind of LED light adjusting systems, it is intended to facilitates the construction of multiple LED light source light modulations
Installation.
First aspect, there is provided a kind of LED dimming control systems, the system include：Dimmer switch and at least one LED electricity
Source, the dimmer switch are connected by power line with the LED power；
The dimmer switch includes：Adjustment unit, control unit and power carrier modulating unit, the adjustment unit and electricity
Power carrier modulation unit is connected with described control unit, and the power carrier modulating unit is also connected with power line；Wherein, institute
Adjustment unit is stated to be used to act generation regulation information according to the regulation of user and be transferred to described control unit；Described control unit
Power carrier modulating unit generation dim signal is controlled according to the regulation information, the power carrier modulating unit is by institute
State dim signal and the LED power being connected with the power line is transferred to by the power line；
The LED power includes power carrier demodulating unit, dimming unit and power cell；The power carrier demodulation is single
The input of member is connected with power line, and output end is connected with the dimming unit；The dimming unit also with the power cell
Connection；Wherein, the power carrier demodulating unit is used for the dim signal for receiving the power line transmission, through the dimming unit
LED light source is driven to complete the light modulation to LED light source by the power cell after modulation.
In dimming control system of the present utility model, the system also includes LED light source, the LED light source and the work(
Rate unit connects.
In dimming control system of the present utility model, the power line includes DC power line or the alternating current line of force.
In dimming control system of the present utility model, the power carrier modulating unit includes power modulation unit and load
Ripple coupling unit, the power modulation unit are connected with described control unit, and the carrier wave coupling unit connects with the power line
Connect；
Wherein, the regulation information is converted into light modulation letter by the power modulation unit under described control unit effect
Number, the dim signal is coupled to the power line by the carrier wave coupling unit.
In dimming control system of the present utility model, the carrier wave coupling unit includes transformer and protection electric capacity；Its
In, the input of the transformer is connected with the power modulation unit, and output end passes through the protection electric capacity and the electric power
Line connects.
In dimming control system of the present utility model, the power modulation unit includes first band pass filtering unit, the
Two bandpass filtering units, power amplification unit and reception frequency-selecting unit；
Wherein, the input of the first band pass filtering unit is connected with described control unit, first bandpass filtering
The output end of unit is connected with the input of the second bandpass filtering unit, the output end of the second bandpass filtering unit with it is described
The input connection of power amplification unit, the output end of the power amplification unit is connected with the carrier wave coupling unit, described
The input for receiving frequency-selecting unit is connected with described control unit, and the input for receiving frequency-selecting unit couples with the carrier wave
Unit connects.
In dimming control system of the present utility model, the first band pass filtering unit and the second bandpass filtering unit are equal
Including bandpass filter；The power amplification unit includes amplifier.
In dimming control system of the present utility model, described control unit includes microcontroller.
In dimming control system of the present utility model, the adjustment unit include adjustable resistance and with the adjustable resistance
The divider resistance of connection, wherein the dividing point between the adjustable resistance and divider resistance is connected with the microcontroller.
In dimming control system of the present utility model, the adjustment unit includes physics regulation control, the physical modulated
Section control includes rotary regulating button, fixed gear-type button or the touch-screen that can be shown and adjust.
Embodiment of the present utility model provides a kind of LED dimming control systems, and the system includes：Dimmer switch and at least
One LED power, the dimmer switch are connected by power line with the LED power；The dimmer switch includes：Regulation is single
Member, control unit and power carrier modulating unit, the adjustment unit and power carrier modulating unit are and described control unit
Connection, the power carrier modulating unit are also connected with power line；The LED power includes power carrier demodulating unit, light modulation
Unit and power cell；The input of the power carrier demodulating unit is connected with power line, output end and the dimming unit
Connection；The dimming unit is also connected with the power cell；Wherein, dimmer switch is used to generate dim signal and passes through electric power
Line transmits to LED light source, LED light source and receives the dim signal of the power line transmission, is used for after being modulated to the dim signal
LED light source is driven to complete the light modulation to LED light source.The LED dimming control systems can drive multiple LED light sources simultaneously, together
When do not need extra connection in construction and installation, therefore relative to existing light controller, reduce cost, while
Reduce the difficulty of construction.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of circuit diagram for LED light source light adjusting system that the utility model embodiment provides；
Fig. 2 is the circuit diagram for the power carrier modulating unit that the utility model embodiment provides；
Fig. 3 is the circuit diagram for the control unit that the utility model embodiment provides；
Fig. 4 is the circuit diagram for the adjustment unit that the utility model embodiment provides；
Fig. 5 is the circuit diagram for the carrier wave coupling unit that the utility model embodiment provides；
Fig. 6 is the circuit diagram for the power modulation unit that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, Fig. 1 is a kind of circuit diagram for LED light source light adjusting system that the utility model embodiment provides.
As shown in figure 1, the light adjusting system includes dimmer switch 10 and at least one LED power 20, dimmer switch 10 and LED power 20 are matched somebody with somebody
Close and dimmed with the driving completed to LED light source 30.
Light modulation open the light 10 and LED power 20 connected by power line 100.Power line 100 includes DC power line or exchange
Power line.Light modulation open the light 10 and LED power 20 also include structure, but mainly its circuit is situated between in detail in the present embodiment
Continue.
Reference picture 1, dimmer switch 10 include：Adjustment unit 11, control unit 12 and power carrier modulating unit 13, regulation
Unit 11 and power carrier modulating unit 13 are connected with control unit 12, power carrier modulating unit 13 also with power line 100
Connection.
Wherein, adjustment unit 11 is used to act generation regulation information according to the regulation of user and is transferred to control unit 12.
Control unit 12 generates dim signal, power carrier modulating unit according to the regulation information control power carrier modulating unit 13
The dim signal is transferred to LED power 20 by 13 by power line 100.
Reference picture 1, LED power 20 include power carrier demodulating unit 21, dimming unit 22 and power cell 23；Electric power carries
The input of ripple demodulating unit 21 is connected with power line 100, and output end and the dimming unit 22 of power carrier demodulating unit 21 connect
Connect；Dimming unit 22 is also connected with power cell 23；Power cell 23 is connected with LED light source, for driving LED light source to light.
Wherein, power carrier demodulating unit 21 is used for the dim signal for receiving the transmission of power line 100, and the dim signal is through dimming unit 22
23 light sources are driven to complete the light modulation to the light source by power cell after modulation.LED power 20 enters the dim signal
After row demodulation, lighted according to the signal driving LED light source after the demodulation, to complete the final light modulation to light source.
The dimmer switch of above-described embodiment is connected with LED power by power line, is used in conjunction with each other for LED light source
Dimmed, to realize the dimming function of LED light source.The dimmer switch and LED power do not need extra connection when installing,
Only need to connect by power line, it is not necessary to reequip the installation circuit of LED light source original power line, it is not required that increase is extra
Connection, therefore relative to existing light controller, cost is reduced, while also reduce the difficulty of construction.The LED is dimmed
Control system can drive multiple LED light sources simultaneously.
In the present embodiment, refering to Fig. 2, power carrier modulating unit 13 includes power modulation unit 131 and carrier wave couples
Unit 132；The power modulation unit 131 and carrier wave coupling unit 132 connect, and power modulation unit 131 connects with control unit 12
Connect, carrier wave coupling unit 132 is connected with power line 100.Wherein, power modulation unit 131 under the effect of control unit 12 by institute
State regulation information and be converted into dim signal, the dim signal coupled to power line 100 and is passed through this by carrier wave coupling unit 132
Power line is transmitted.
In the present embodiment, as shown in figure 3, control unit 12 includes microcontroller, the microcontroller is MCU chip, should
MCU chip plays major control in dimmer switch.The MCU chip includes multiple pins and pin, and label, light modulation have been opened
The interlock circuit of pass is attached by pin designations.The MCU chip is also referred to as dsp chip, the dsp chip sampling adjustment voltage,
Algorithm through being pre-set inside it can change into the frequency for needing to adjust, and the triangular wave of respective frequencies is sent by PL_TX.Than
Logical one can such as be set as 130KHz, logical zero 128KHz.
In the present embodiment, as shown in figure 4, adjustment unit 11 includes adjustable resistance VR1 and divider resistance R1, divider resistance
R1 connects with adjustable resistance VR1, wherein the dividing point between adjustable resistance VR1 and divider resistance R1 is connected with MCU chip
Connection.Wherein, adjustable resistance VR1 is correspondingly the adjusting knob of dimmer switch, when user rotates the tune of the adjusting knob, i.e. user
Section acts, then the magnitude of voltage of the dividing point will change, therefore can produce regulation information.
In the present embodiment, as shown in figure 5, carrier wave coupling unit 132 includes transformer T2 and protection electric capacity, protection electricity
Appearance includes two electric capacity, respectively electric capacity C28 and electric capacity C29, the output end of the transformer by electric capacity C28 and electric capacity C29 and
Power line 100 connects, and the protection electric capacity is used to protect transformer T2.Wherein, transformer T2 input and power modulation unit
131 connections, for that the dim signal will be coupled into power line 100.
In the present embodiment, as shown in fig. 6, power modulation unit 131 includes first band pass filtering unit 1311, the second band
Pass filtering unit 1312, power amplification unit 1313 and reception frequency-selecting unit 1314；The input of first band pass filtering unit 1311
End is connected with control unit 12, the output end of first band pass filtering unit 1311 and the input of the second bandpass filtering unit 1312
Connection, the output end of the second bandpass filtering unit 1312 are connected with the input of power amplification unit 1313, power amplification unit
1313 output end couples Unit 132 with carrier wave and is connected, and the input for receiving frequency-selecting unit 1314 is connected with control unit 12, is connect
The input for receiving frequency-selecting unit 1314 is connected with carrier wave coupling unit 132.
Wherein, the bandpass filtering unit 1312 of first band pass filtering unit 1311 and second mainly includes bandpass filter；Work(
Rate amplifying unit 1313 mainly includes amplifier.
Wherein, the bandpass filtering unit 1312 of first band pass filtering unit 1311 and second corresponds respectively to logical one and " 0 "
The frequency of setting, such as 130KHz and 128KHz, the wave filter is used to filter out other interfering frequencies on PL_TX and by the triangle
Ripple is converted into sine wave.
In the present embodiment, in order to solve the problems, such as transmission-line attenuation, effective transmission range is ensured, the power amplification list
Member 1314 includes amplifier correlation triode composition amplifying circuit, for amplifying the power of transmission signal.
In the present embodiment, the adjustment unit includes physics regulation control, and the physics regulation control includes rotatable
Adjustable type button, fixed gear-type button or the touch-screen that can be shown and adjust.Physics regulation control also includes other forms
Button, do not limit herein.
Wherein, when the power carrier demodulating unit 21 of LED power 20 receives dim signal, again by transformer coupled
Receive, filtering out other frequencies on power line in frequency-selecting unit (such as L6 and the frequency-selective network of C15 compositions in Fig. 6) does
Disturb, dsp chip is then sent to by PL_RX, dsp chip judges that current frequency is logical one or logical zero and is converted into
Dimming commands, LED power is controlled to be dimmed by PWM_OUT.The dimming unit 22 of LED power 20 and the tool of power cell 23
Body circuit is not described in detail herein, and its physical circuit can use existing light adjusting circuit and light source driving circuit.
It should be noted that for the needs of some applications, above-mentioned dimmer switch 10 can also include LED power 20, i.e.,
Power carrier demodulating unit 21, dimming unit 22 and power cell 23 including LED power 20.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in various in the technical scope that the utility model discloses
Equivalent modifications or substitutions, these modifications or substitutions should all cover within the scope of protection of the utility model.Therefore, this practicality
New protection domain should be defined by scope of the claims.
Claims (10)
- A kind of 1. LED dimming control systems, it is characterised in that including：Dimmer switch and at least one LED power, the light modulation Switch is connected by power line with the LED power；The dimmer switch includes：Adjustment unit, control unit and power carrier modulating unit, the adjustment unit and electric power carry Ripple modulating unit is connected with described control unit, and the power carrier modulating unit is also connected with power line；Wherein, the tune Section unit is used to act generation regulation information according to the regulation of user and is transferred to described control unit；Described control unit according to The regulation information controls power carrier modulating unit generation dim signal, and the power carrier modulating unit is by the tune Optical signal is transferred to the LED power being connected with the power line by the power line；The LED power includes power carrier demodulating unit, dimming unit and power cell；The power carrier demodulating unit Input is connected with power line, and output end is connected with the dimming unit；The dimming unit is also connected with the power cell； Wherein, the power carrier demodulating unit is used for the dim signal for receiving the power line transmission, is modulated through the dimming unit LED light source is driven to complete the light modulation to LED light source by the power cell afterwards.
- 2. dimming control system according to claim 1, it is characterised in that also including LED light source, the LED light source with The power cell connection.
- 3. dimming control system according to claim 1, it is characterised in that the power line includes DC power line or friendship Flow power line.
- 4. dimming control system according to claim 1, it is characterised in that the power carrier modulating unit includes electric power Modulating unit and carrier wave coupling unit, the power modulation unit are connected with described control unit, the carrier wave coupling unit with The power line connection；Wherein, the regulation information is converted into dim signal by the power modulation unit under described control unit effect, institute State carrier wave coupling unit and the dim signal is coupled to the power line.
- 5. dimming control system according to claim 4, it is characterised in that the carrier wave coupling unit include transformer and Protect electric capacity；Wherein, the input of the transformer is connected with the power modulation unit, and output end passes through the protection electric capacity It is connected with the power line.
- 6. dimming control system according to claim 4, it is characterised in that the power modulation unit includes the first band logical Filter unit, the second bandpass filtering unit, power amplification unit and reception frequency-selecting unit；Wherein, the input of the first band pass filtering unit is connected with described control unit, the first band pass filtering unit Output end be connected with the input of the second bandpass filtering unit, the output end of the second bandpass filtering unit and the power The input connection of amplifying unit, the output end of the power amplification unit are connected with the carrier wave coupling unit, the reception The input of frequency-selecting unit is connected with described control unit, the input for receiving frequency-selecting unit and the carrier wave coupling unit Connection.
- 7. dimming control system according to claim 6, it is characterised in that the first band pass filtering unit and the second band Pass filtering unit includes bandpass filter；The power amplification unit includes amplifier.
- 8. dimming control system according to claim 1, it is characterised in that described control unit includes microcontroller.
- 9. dimming control system according to claim 8, it is characterised in that the adjustment unit include adjustable resistance and with The divider resistance of adjustable resistance connection, wherein dividing point between the adjustable resistance and divider resistance with it is described micro- Controller connects.
- 10. dimming control system according to claim 1, it is characterised in that the adjustment unit includes physics regulation control Part, the physics regulation control include rotary regulating button, fixed gear-type button or the touch-screen that can be shown and adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464199.2U CN206807822U (en) | 2017-04-28 | 2017-04-28 | A kind of LED dimming control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464199.2U CN206807822U (en) | 2017-04-28 | 2017-04-28 | A kind of LED dimming control systems |
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| Publication Number | Publication Date |
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| CN206807822U true CN206807822U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720464199.2U Active CN206807822U (en) | 2017-04-28 | 2017-04-28 | A kind of LED dimming control systems |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548224A (en) * | 2018-09-07 | 2019-03-29 | 吴哲 | The intelligent control system of place illumination is realized based on carrier communication |
| CN109600882A (en) * | 2018-12-28 | 2019-04-09 | 太仓思比科微电子技术有限公司 | A kind of chip testing light-source control system and control method |
| CN110996481A (en) * | 2019-11-26 | 2020-04-10 | 广东迪艾生光电技术有限公司 | Remote intelligent dimming system and intelligent dimming method thereof |
| CN111083823A (en) * | 2018-10-22 | 2020-04-28 | 松下知识产权经营株式会社 | Lighting device, lighting fixture, and lighting system |
-
2017
- 2017-04-28 CN CN201720464199.2U patent/CN206807822U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548224A (en) * | 2018-09-07 | 2019-03-29 | 吴哲 | The intelligent control system of place illumination is realized based on carrier communication |
| CN111083823A (en) * | 2018-10-22 | 2020-04-28 | 松下知识产权经营株式会社 | Lighting device, lighting fixture, and lighting system |
| CN111083823B (en) * | 2018-10-22 | 2022-06-21 | 松下知识产权经营株式会社 | Lighting device, lighting fixture, and lighting system |
| CN109600882A (en) * | 2018-12-28 | 2019-04-09 | 太仓思比科微电子技术有限公司 | A kind of chip testing light-source control system and control method |
| CN110996481A (en) * | 2019-11-26 | 2020-04-10 | 广东迪艾生光电技术有限公司 | Remote intelligent dimming system and intelligent dimming method thereof |
| CN110996481B (en) * | 2019-11-26 | 2022-04-15 | 广东迪艾生光电技术有限公司 | Remote intelligent dimming system and intelligent dimming method thereof |
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