CN206100571U - Dimmer circuit and dimming system - Google Patents
Dimmer circuit and dimming system Download PDFInfo
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- CN206100571U CN206100571U CN201621028341.0U CN201621028341U CN206100571U CN 206100571 U CN206100571 U CN 206100571U CN 201621028341 U CN201621028341 U CN 201621028341U CN 206100571 U CN206100571 U CN 206100571U
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- loop
- light adjusting
- adjusting circuit
- input module
- electric power
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Abstract
The utility model discloses a dimmer circuit and dimming system belongs to electron technical field. Dimming system includes terminal, server, route and dimmer circuit, dimmer circuit's AC input and alternating current power supply are connected, server receiving terminal's the instruction of adjusting luminance, and will the terminal adjust luminance the instruction through the route send for dimmer circuit, the dimmer circuit basis the instruction of adjusting luminance at terminal generates sinusoidal pulsewidth modulation drive signal, based on the duty cycle of this sinusoidal impulse modulated in width signal, controls the light luminance of lamps and lanterns. The utility model discloses a dimmer circuit and dimming system, accessible cell -phone APP can realize the luminance of remote control lamps and lanterns, transfers light stability good, harmonic component is little, pollutes also lessly to the electric wire netting.
Description
Technical field
This utility model is related to electronic technology field, more particularly to a kind of light adjusting circuit and light adjusting system.
Background technology
Dimmer switch is the different demands of lamplight brightness to be grown up when difference to meet people.
Electronic dimming of the prior art switch, is controlling to turn on journey by controlling and changing silicon controlled phase angle
Degree, i.e., power supply flows through the phase margin of load, so changes the voltage and current of input of electric light source obtaining varying strength
Power output, so as to change the light energy being transformed into by electric energy, and then change brightness.But this utilization controllable silicon
The angle of flow come before prolong or after prolong the mode of light modulation, cause part capacitive light source non-adjustable, therefore the scheme of prior art be present
Tunable light source narrow range, and poor anti jamming capability, harmonic wave are big, the defect such as EMI effects are bad.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of light adjusting circuit and light adjusting system, to solve
Certainly there is tunable light source narrow range, and poor anti jamming capability in the scheme of prior art, and harmonic wave is big, the defect such as EMI effects are bad.
The technical scheme adopted by this utility model solution above-mentioned technical problem is as follows：
According to one side of the present utility model, there is provided a kind of light adjusting circuit include electric power loop, control loop, driving
Loop, switching circuitry and input module, wherein：
The ac input end of the electric power loop, the ac input end of the switching circuitry are connected with the alternating current power supply；
The DC output end of electric power loop DC power supply terminal respectively with the control loop, the DC source of the driving circuit
End connection；
The signal output part of the input module is connected with the signal input part of the control loop, the input module
DC power supply terminal is connected with the DC output end of the electric power loop, for the dimming commands of receive user；
The control loop generates pulse width modulating signal and exports to described for the dimming commands according to the user
Driving circuit；
The driving circuit for after the pulse width modulating signal processing and amplifying that generates the control loop, export to
The switching circuitry；The switching circuitry for the pulse width modulating signal according to the driving circuit processing and amplifying, to handing over
Stream electricity is modulated and generates Sinusoidal Pulse Width Modulation signal, based on the dutycycle of the Sinusoidal Pulse Width Modulation signal, comes
The light luminance of control light fixture.
Further, the electric power loop includes the first electric power loop and second source loop；First electric power loop
It is connected with alternating current power supply with the ac input end in the second source loop, the DC output end difference of first electric power loop
It is connected with the first DC power supply terminal of the DC power supply terminal and the driving circuit of the control loop；The second source loop
It is connected with the second DC power supply terminal of the driving circuit.
Further, first electric power loop includes AC-DC conversion module and DC-DC modular converters；Or described first
Electric power loop includes AC-DC conversion module and low pressure difference linear voltage regulator.
Further, the second source loop includes reduction voltage circuit.
Further, the control loop includes micro-control unit MCU.
Further, the input module includes local control input module and/or remotely control input module.
Further, the local control input module includes keyboard input module, touch screen input module, gesture input
One or more in module；The remotely control input module includes communication module.
Further, the driving circuit includes totem pole configuration drive circuit or driving chip.
Further, the drop-down electricity that the switching circuitry is included switch mosfet pipe and is connected with switch mosfet tube grid
Resistance.
According to other side of the present utility model, there is provided a kind of light adjusting system include terminal, server, route and on
The light adjusting circuit stated；
The ac input end of the light adjusting circuit is connected with alternating current power supply；
The server receives the dimming commands of the terminal, and the dimming commands of the terminal are sent out by the route
Give the light adjusting circuit；
The light adjusting circuit generates sinusoidal pulse width modulation drive signal according to the dimming commands of the terminal, based on the sine
The dutycycle of pulse width modulating signal, controls the light luminance of light fixture.
Light adjusting circuit and light adjusting system that this utility model embodiment is provided, are capable of achieving remotely control lamp by mobile phone A PP
The brightness of tool, power stability are good, and harmonic component is little, also less to electric network pollution.
Description of the drawings
The structural representation of the light adjusting circuit that Fig. 1 is provided for this utility model first embodiment；
The structural representation of the AC-DC conversion module of the light adjusting circuit that Fig. 2 is provided for this utility model first embodiment；
The structural representation of the input module of the light adjusting circuit that Fig. 3 is provided for this utility model first embodiment；
The structural representation of the control loop of the light adjusting circuit that Fig. 4 is provided for this utility model first embodiment；
The structural representation of the driving circuit of the light adjusting circuit that Fig. 5 is provided for this utility model first embodiment；
The light modulation interfacial structure schematic diagram of the APP of the terminal of the light adjusting system that Fig. 6 is provided for this utility model embodiment；
The structural representation of the light adjusting system that Fig. 7 is provided for this utility model second embodiment；
The output waveform structural representation of the switching tube of the light adjusting system that Fig. 8 is provided for this utility model embodiment.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are clearer, clear, with
Under in conjunction with the accompanying drawings and embodiments, this utility model is further elaborated.It should be appreciated that concrete reality described herein
Example is applied only to explain this utility model, be not used to limit this utility model.
Refer to shown in Fig. 1, this utility model first embodiment provides a kind of light adjusting circuit, light adjusting circuit 20 includes power supply
Loop 21, control loop 22, driving circuit 23, switching circuitry 24 and input module 25；
The ac input end of electric power loop 21, the ac input end of switching circuitry are connected with alternating current power supply 10；Electric power loop
21 DC output end DC power supply terminal respectively with control loop 22, the DC power supply terminal of driving circuit 23 are connected；
The signal output part of input module 25 is connected with the signal input part of control loop 22, the unidirectional current of input module 25
Source is connected with the DC output end of electric power loop 21, for the dimming commands of receive user；
Control loop 22 generates pulse width modulating signal and exports to driving circuit for the dimming commands according to user
23；
Driving circuit 23 is for, after the pulse width modulating signal processing and amplifying that generates control loop 22, exporting to switch
Loop 24；Switching circuitry 24 is adjusted to alternating current for the pulse width modulating signal according to 23 processing and amplifying of driving circuit
Sinusoidal Pulse Width Modulation signal is made and generated, based on the dutycycle of the Sinusoidal Pulse Width Modulation signal, light fixture 30 is controlled
Light luminance.
In the present embodiment, electric power loop 21 is for being converted to direct current by the exchange that alternating current power supply 10 is provided, and by direct current
It is supplied to control loop 22 and driving circuit 23.
In the present embodiment, electric power loop 21 includes the first electric power loop (not shown) and second source loop (figure
Not shown in)；The ac input end in the first electric power loop and second source loop is connected with alternating current power supply 10, the first electric power loop
DC output end DC power supply terminal respectively with control loop 22, the first DC power supply terminal of driving circuit 23 is connected；Second
Electric power loop is connected with the second DC power supply terminal of driving circuit 23.
In the present embodiment, the first electric power loop includes AC-DC conversion module and DC-DC modular converters；Or first power supply
Loop includes AC-DC conversion module and low pressure difference linear voltage regulator.AC-DC conversion module can be using electricity such as the Magnetic isolations such as flyback
Source, may also be employed the non-isolated power circuit such as BUCK.As shown in Fig. 2 Fig. 2 is a kind of structural representation of AC-DC conversion module.
Referring to shown in Fig. 5, in the present embodiment, second source loop includes reduction voltage circuit, and reduction voltage circuit may include resistance
Blood pressure lowering and Zener diode mu balanced circuit.
As an example, sinusoidal mains 220VAC is converted to 5VDC by AC-DC conversion module by the first electric power loop, then
3.3VDC is converted to by low pressure difference linear voltage regulator or DC-DC modular converters to be supplied to the power end of control loop and be driven back to
First DC power supply terminal on road；Civil power 220VAC is converted to 15VDC by reduction voltage circuit and is supplied to driving by second source loop
Second DC power supply terminal in loop.
As shown in Figure 1 and Figure 4, Fig. 4 is a kind of structural representation of control loop 22.The signal output part of control loop 22
It is connected with the signal input part of driving circuit 23；Control loop 22 is mainly used in the dimming commands of receiving terminal 60, and according to this
Dimming commands generate pulse width modulating signal and export to driving circuit 23.In the present embodiment, control loop includes microcontroller
Unit MCU.
As shown in Figure 1 and Figure 5, Fig. 5 is a kind of structural representation of driving circuit.The signal output part of driving circuit 23 with
The signal input part connection of switching circuitry 24, driving circuit 23 are mainly used in the pulse width modulation letter for generating control loop 22
After number processing and amplifying, export to switching circuitry 24；In the present embodiment, driving circuit 23 include totem pole configuration drive circuit or
Person's driving chip.
In the present embodiment, the pulse width modulating signal after processing and amplifying is more than more than 4 times of sinusoidal mains frequency
Sinusoidal pulse width modulation signal.
In the present embodiment, under switching circuitry 24 may include switch mosfet pipe and is connected with switch mosfet tube grid
Pull-up resistor.The purpose for arranging pull down resistor is that alternating current reaches in order to ensure switch mosfet pipe when upper electric, and drive signal
When being also not up to grid, gate charge cannot discharge and damage switch mosfet pipe.Switching circuitry 24 is mainly used according to driving
The pulse width modulating signal of 23 processing and amplifying of loop, is modulated and generates Sinusoidal Pulse Width Modulation signal to alternating current,
Based on the dutycycle of the Sinusoidal Pulse Width Modulation signal, the light luminance of light fixture 30 is controlled.
Referring to shown in Fig. 3, the signal output part of input module 25 is connected with the secondary signal input of control loop 22, defeated
The DC power supply terminal for entering module 25 is connected with the DC output end of electric power loop 21.Input module 25 is mainly man-machine interaction mould
Block, including local control input module and/or remotely control input module, local control input module include keyboard input module
(in detail as shown in Figure 4), touch screen input module, gesture input module, communication input module etc., remotely control input module bag
Include communication module.Input module 25 is mainly used in the dimming commands of receive user.Control loop 22 can be connect according to input module 25
The dimming commands of receipts, for example：By the dimming commands of the input module receiving terminal 60 that communicates, generate sinusoidal pulse width modulation and drive letter
Number give driving circuit 23.
In the present embodiment, communication module can adopt the low-power consumption office based on IEEE802.15.4 standards (2.4GHZ frequency ranges)
Domain fidonetFido, for example：ZigBee；Or can be using the agreement based on IEEE802.11 standards, such as：WiFi；Or Z-Wave
Agreement.If adopting ZigBee or Z-Wave, configurable gateway to carry out the conversion of agreement, be such as converted to the agreement of WiFi.
As shown in fig. 7, second embodiment of the invention provides a kind of light adjusting system, light adjusting system includes terminal 60, server
50th, route 40 and light adjusting circuit 20；
The ac input end of light adjusting circuit 20 is connected with alternating current power supply 10；
The dimming commands of 50 receiving terminal 60 of server, and the dimming commands of terminal 60 are sent to into light modulation by route 40
Circuit 20；
In the present embodiment, dimming commands are sent to control by the remotely control input module of light adjusting circuit by route 40
Dimming commands specifically, can be sent to control loop 22 by communication module 251 by loop 22.
Light adjusting circuit 20 generates sinusoidal pulse width modulation drive signal according to the dimming commands of terminal 60, based on the sine pulse
The dutycycle of bandwidth modulation signals, controls the light luminance of light fixture.
In the present embodiment, alternating current power supply 10 can be the alternating current of sinusoidal mains or other 220VAC.Need explanation
It is that civil power is determined using region by light adjusting system.There are different civil powers in different geographical, for example：China is 220VAC,
And Japan of the U.S. is 110VAC.
In the present embodiment, terminal includes but is not limited to mobile phone, panel computer etc..Terminal use can pass through terminal
APP generates dimming commands.Light modulation interfacial structure schematic diagrams of the Fig. 6 for terminal APP.
In the present embodiment, server 50 also by the feedback of the information of light fixture to terminal 60, and can be shown by the APP of terminal
Out.
In the present embodiment, the information of light fixture, dimming commands are carried out letter by ICP/IP protocol and server by route 40
Breath interaction.
The output waveform structural representation of the switching tube of the light adjusting system that Fig. 8 is provided for this utility model embodiment.
Light adjusting circuit and light adjusting system that this utility model embodiment is provided, are capable of achieving remotely control lamp by mobile phone A PP
The brightness of tool, power stability are good, and harmonic component is little, also less to electric network pollution.
Above by reference to preferred embodiment of the present utility model has been illustrated, not thereby limit to right of the present utility model
Scope.Those skilled in the art are without departing from any modification, equivalent made in scope and spirit of the present utility model and change
Enter, all should be within interest field of the present utility model.
Claims (10)
1. a kind of light adjusting circuit, it is characterised in that the light adjusting circuit includes electric power loop, control loop, driving circuit, switch
Loop and input module；
The ac input end of the electric power loop, the ac input end of the switching circuitry are connected with the alternating current power supply；It is described
The DC output end of electric power loop DC power supply terminal respectively with the control loop, the DC power supply terminal of the driving circuit connect
Connect；
The signal output part of the input module is connected with the signal input part of the control loop, the direct current of the input module
Power end is connected with the DC output end of the electric power loop, for the dimming commands of receive user；
The control loop generates pulse width modulating signal and exports to the driving for the dimming commands according to the user
Loop；
The driving circuit is for, after the pulse width modulating signal processing and amplifying that generates the control loop, exporting to described
Switching circuitry；The switching circuitry for the pulse width modulating signal according to the driving circuit processing and amplifying, to alternating current
Sinusoidal Pulse Width Modulation signal is modulated and is generated, based on the dutycycle of the Sinusoidal Pulse Width Modulation signal, is controlled
The light luminance of light fixture.
2. a kind of light adjusting circuit according to claim 1, it is characterised in that the electric power loop includes the first electric power loop
With second source loop；The ac input end in first electric power loop and the second source loop is connected with alternating current power supply,
The DC output end of first electric power loop respectively with the DC power supply terminal and the driving circuit of the control loop
One DC power supply terminal connects；The second source loop is connected with the second DC power supply terminal of the driving circuit.
3. a kind of light adjusting circuit according to claim 2, it is characterised in that first electric power loop includes that AC-DC turns
Mold changing block and DC-DC modular converters；Or first electric power loop includes AC-DC conversion module and low pressure difference linear voltage regulator.
4. a kind of light adjusting circuit according to claim 2, it is characterised in that the second source loop includes blood pressure lowering electricity
Road.
5. a kind of light adjusting circuit according to claim 1, it is characterised in that the control loop includes micro-control unit
MCU。
6. a kind of light adjusting circuit according to claim 1, it is characterised in that the input module includes local control input
Module and/or remotely control input module.
7. a kind of light adjusting circuit according to claim 6, it is characterised in that the local control input module includes button
One or more in input module, touch screen input module, gesture input module；The remotely control input module includes leading to
Letter module.
8. a kind of light adjusting circuit according to claim 1, it is characterised in that the driving circuit includes that totem pole configuration drives
Galvanic electricity road or driving chip.
9. a kind of light adjusting circuit according to claim 1, it is characterised in that the switching circuitry includes switch mosfet pipe
And the pull down resistor being connected with switch mosfet tube grid.
10. a kind of light adjusting system, it is characterised in that the light adjusting system includes terminal, server, route and claim 1 to 9
Arbitrary described light adjusting circuit；
The ac input end of the light adjusting circuit is connected with alternating current power supply；
The server receives the dimming commands of the terminal, and the dimming commands of the terminal are sent to by the route
The light adjusting circuit；
The light adjusting circuit generates sinusoidal pulse width modulation drive signal according to the dimming commands of the terminal, based on the sine pulse
The dutycycle of bandwidth modulation signals, controls the light luminance of light fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028341.0U CN206100571U (en) | 2016-08-31 | 2016-08-31 | Dimmer circuit and dimming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028341.0U CN206100571U (en) | 2016-08-31 | 2016-08-31 | Dimmer circuit and dimming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206100571U true CN206100571U (en) | 2017-04-12 |
Family
ID=58475581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621028341.0U Active CN206100571U (en) | 2016-08-31 | 2016-08-31 | Dimmer circuit and dimming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206100571U (en) |
-
2016
- 2016-08-31 CN CN201621028341.0U patent/CN206100571U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park A7 building 7 floor Patentee after: Shenzhen euribo Technology Co.,Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park A7 building 7 floor Patentee before: SHENZHEN ORVIBO TECHNOLOGY Co.,Ltd. Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park A7 building 7 floor Patentee after: SHENZHEN ORVIBO TECHNOLOGY Co.,Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park A7 building 7 floor Patentee before: ORVIBO, Inc. |