CN208046979U - A kind of synchronous light adjusting system - Google Patents
A kind of synchronous light adjusting system Download PDFInfo
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- CN208046979U CN208046979U CN201721826280.7U CN201721826280U CN208046979U CN 208046979 U CN208046979 U CN 208046979U CN 201721826280 U CN201721826280 U CN 201721826280U CN 208046979 U CN208046979 U CN 208046979U
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- light modulation
- dimming
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- module
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Abstract
The utility model discloses a kind of synchronous light adjusting system, circuit includes light modulation setup module, host module and slave module；It includes light modulation output interface to dim setup module, and host module includes that light modulation detection interface, host synchronization interface and the first lamp interface, slave module include slave sync cap and the second lamp interface；Light modulation detection interface is connected to light modulation output interface, and the slave sync cap of each slave module is all connected to host synchronization interface；Host module is used to detect interface by light modulation obtains light modulation setting information from light modulation output interface, and generates the first dimming information and synchronous dimming information according to light modulation setting information；Slave module is used to obtain synchronous dimming information by slave sync cap, and generates the second dimming information according to synchronous dimming information.It is good that dimming effect will not dim degree consistency with simultaneously machine number change and change, light modulation depth height, and each power module.
Description
Technical field
The utility model is related to mains lighting supply field more particularly to a kind of synchronous light adjusting systems.
Background technology
With the improvement of the quality of life, people also change the understanding of illumination, be merely not only lamp is lighted and
, it is also necessary to more excellent light efficiency experience.So a big chunk mains lighting supply all has dimming function in the market now, and
And following illumination must be the illumination of light modulation.For the convenience of light modulation, and simplify apparatus structure, reduces cost, often
Multiple power module parallel connections can be dimmed.
Traditional scheme is that the power module for respectively being used to power to lamps and lanterns is simply connected in parallel on the same driving unit, such as
Shown in Fig. 1.Since the detection circuit of power module unavoidably has internal resistance Re, dimming effect is with power module and machine
Several increase and decrease and it is different.
When the internal resistance of driving unit is R, when a power module accesses, power module DIM port voltages are：
Vsense=Vcc*R/ (R+Re)；
When n platform power module parallel connections access, power module DIM port voltages are：
Vsense=Vcc*R/ (R+Re/N)；
It can be seen that parallel module is more, sampled voltage is bigger, causes when driving unit fixes light modulation degree, power supply mould
Block output current increases with number of parallel and is increased.It can cause in same light modulation degree, and the more power supply outputs of machine quantity
Electric current is bigger；And simultaneously machine number is more, and minimal adjustment electric current is bigger, and when driving unit being caused to be modulated to minimum, each module is also
Export larger current；Can also due to and machine connecting line existing for internal resistance, error existing for each detection circuit and reference circuit so that
It is consistent that each power module is unable to reach output current, be easy to cause that some lamps are bright, the dark phenomenon of some lamps.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of synchronous light adjusting system, light modulations
It is good that effect does not dim degree consistency with simultaneously machine number change and change, light modulation depth height, and each power module.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of synchronous light adjusting system, including light modulation setup module, host module and an at least slave module；
The light modulation setup module includes light modulation output interface, and the host module is same including light modulation detection interface, host
It includes slave sync cap and the second lamp interface to walk interface and the first lamp interface, the slave module；The light modulation detection
Interface is connected to the light modulation output interface, and the slave sync cap of each slave module is all connected to the host synchronization interface；
The host module is used to detect interface by the light modulation obtains light modulation setting letter from the light modulation output interface
Breath, and the first dimming information and synchronous dimming information are generated according to light modulation setting information；The host module is additionally operable to according to
One dimming information controls the lamps and lanterns of the first lamp interface connection, and synchronizing information is sent to the host synchronization and is connect
Mouthful；
The slave module is used to obtain synchronous dimming information by the slave sync cap, and is believed according to synchronous light modulation
Breath generates the second dimming information, and the slave module is additionally operable to control the second lamp interface connection according to the second dimming information
Lamps and lanterns.
Further, the host module includes master machine control unit and the first driving unit, and the light modulation detects interface
It is located on the master machine control unit with host synchronization interface, first lamp interface is located on first driving unit；
The master machine control unit further includes host dimming interface, and first driving unit further includes the first light modulation input
Interface, the first light modulation input interface are connected to the host dimming interface；First driving unit is used for by described
First light modulation input interface obtains the first dimming information from the host dimming interface, and for according to the first dimming information control
Make the lamps and lanterns of the first lamp interface connection.
Further, the slave module includes slave control unit and the second driving unit, the slave sync cap
In the slave control unit, second lamp interface is located on second driving unit；
The slave control unit further includes slave dimming interface, and second driving unit further includes the second light modulation input
Interface, the second light modulation input interface are connected to the slave dimming interface；Second driving unit is used for by described
Second light modulation input interface obtains the second dimming information from the slave dimming interface, and for according to the second dimming information control
Make the lamps and lanterns of the second lamp interface connection.
Further, the master machine control unit includes delay unit, and synchronous light modulation is exported in the host synchronization interface
After information preset duration, the host dimming interface exports the first dimming information.
Further, the synchronization dimming information of the host synchronization interface output is PWM wave, and the host module is used for root
According to the duty ratio of the synchronous dimming information of light modulation setting information control.
Further, the synchronization dimming information of the host synchronization interface output is logic sequence, and the host module is used
According to the light modulation setting information generation logic sequence.
Further, the host dimming interface is to the first dimming information of the first light modulation input interface transmission
PWM wave, first driving unit is for the first lamp interface connection described in the Duty ratio control according to the first dimming information
Lamps and lanterns.
Further, first driving unit includes MP24894 chips and its peripheral circuit.
Further, the light modulation setup module is resistance light modulator or 0-10V light modulators.
Compared with prior art, the beneficial effects of the utility model are：The synchronous light modulation that the utility model embodiment provides
System only needs the light modulation detection interface of host module to be connect with the light modulation output interface for dimming setup module, therefore dims setting
Information will not change because of the quantity difference of slave module；And the change for dimming setting information can cause the first light modulation simultaneously
The change of information and synchronous dimming information, slave module according to the second dimming information that synchronous dimming information generates may be implemented with
First dimming information is consistent, therefore the adjusting of the arrange parameter to dimming setup module may be implemented to connect the first lamp interface
The lamps and lanterns that are connect with the second lamp interface of lamps and lanterns be adjusted synchronously.Dimming effect will not change with simultaneously machine number and be become, and adjust
Optical depth is high, and each power module light modulation degree consistency is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing light adjusting circuit；
Fig. 2 is a kind of structural schematic diagram for the synchronization light adjusting system that the utility model embodiment one provides；
Fig. 3 is another structural schematic diagram for the synchronization light adjusting system that the utility model embodiment one provides；
Fig. 4 is the structural schematic diagram of host module and slave module in Fig. 2；
The circuit diagram of the master machine control unit of host module during Fig. 5 is 2；
The circuit diagram of first driving unit of host module during Fig. 6 is 2.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment one
Synchronization light adjusting system as shown in Figures 2 and 3, including light modulation setup module, host module and an at least slave mould
Block, the quantity of slave module is N in fig. 2, and N is 0 natural number.
In the present embodiment, as shown in Fig. 2, light modulation setup module includes light modulation output interface DIM, host module includes adjusting
Light detection interface DIM+, host synchronization interface SYN+ and the first lamp interface (not shown)；Slave module includes that slave is synchronized and connect
Mouth SYN and the second lamp interface (not shown)；Light modulation detection interface DIM+ is connected to light modulation output interface DIM, each slave module
Slave sync cap SYN be all connected to host synchronization interface SYN+.In another embodiment, as shown in figure 3, host module,
Slave module realizes that host synchronization interface is transmission interface TX using digital form, and slave sync cap is receiving interface RX.
By taking synchronous light adjusting system shown in Fig. 2 as an example, host module is used to detect interface DIM+ by light modulation defeated from dimming
Outgoing interface DIM obtains light modulation setting information, and generates the first dimming information and synchronous dimming information according to light modulation setting information；It is main
Machine module is additionally operable to control the lamps and lanterns of the first lamp interface connection according to the first dimming information, and synchronizing information is sent to master
Machine sync cap SYN+.
As preferred embodiment, light modulation setup module is resistance light modulator or 0-10V light modulators, which is
The prior art repeats no more.
Slave module is used to obtain synchronous dimming information by slave sync cap SYN, and is given birth to according to synchronous dimming information
At the second dimming information, slave module is additionally operable to control the lamps and lanterns of the second lamp interface connection according to the second dimming information.
As preferred embodiment, as shown in Fig. 2, synchronous light adjusting system is realized in a manner of analog circuit, host synchronization
The synchronization dimming information of interface SYN+ outputs is PWM wave, and host module is used for according to the synchronous light modulation letter of light modulation setting information control
The duty ratio of breath.
In another embodiment, as shown in figure 3, synchronous light adjusting system is realized in a manner of digital circuit, host synchronization interface
The synchronization dimming information that TX is exported to slave sync cap RX is logic sequence, and host module is used for according to light modulation setting information life
At logic sequence.
PWM wave and logic sequence will not by the internal resistance of host sync cap SYN+, slave sync cap SYN internal resistance with
And between host synchronization interface SYN+ and slave sync cap SYN connecting line resistance value differentia influence, thus can ensure to synchronize
The accuracy of dimming information.
The utility model embodiment provide synchronization light adjusting system only need host module light modulation detect interface DIM+ with
The light modulation output interface DIM connections of setup module are dimmed, therefore dimming setting information will not be because of the quantity difference of slave module
And change；And the change for dimming setting information can cause the change of the first dimming information and synchronous dimming information, slave simultaneously
Module may be implemented consistent with the first dimming information according to the second dimming information that synchronous dimming information generates, therefore be set to light modulation
The lamp being connect with the second lamp interface to the lamps and lanterns that the first lamp interface connects may be implemented in the adjusting for setting the arrange parameter of module
Tool is adjusted synchronously.Dimming effect will not change with simultaneously machine number and be become, and light modulation depth is high, and each power module light modulation journey
It is good to spend consistency.
As preferred embodiment, as shown in figure 4, host module includes master machine control unit and the first driving unit.
Light modulation detection interface DIM+ and host synchronization interface SYN+ is located on master machine control unit, and the first lamp interface is located at the first driving
On unit.
In the present embodiment, master machine control unit is as shown in figure 5, the first driving unit is as shown in Figure 6.Master machine control unit
It is equipped with light modulation detection interface PWM/0-10V and host synchronization interface PWMOUT+, interface PWM/0-10V is by chip for light modulation detection
DIM pins draw, host synchronization interface PWMOUT+ by chip P12/PCLK pins draw；First driving unit is equipped with
First lamp interface CON3.
Master machine control unit further includes host dimming interface PWM, and host dimming interface PWM is drawn by the DR/P14 pins of chip
Go out.In the present embodiment, as shown in fig. 6, the first driving unit includes MP24894 chips and its peripheral circuit.First driving is single
Member further includes the first light modulation input interface PWM+, and first dims input interface PWM+ is drawn by the EN/DIM pins of MP24894 chips
Go out.
First light modulation input interface PWM+ is connected to host dimming interface PWM；First driving unit is used to adjust by first
Light input interface PWM+ obtains the first dimming information from host dimming interface PWM, and for being controlled according to the first dimming information
The lamps and lanterns of first lamp interface CON3 connections.
As preferred embodiment, the first light modulation that host dimming interface is sent to the first light modulation input interface PWM+ is believed
Breath is PWM wave, and the first driving unit is used for according to Duty ratio control the first lamp interface CON3 connections of the first dimming information
Lamps and lanterns.
Since the duty ratio of PWM wave will not be because in the internal resistance of host dimming interface PWM, the first light modulation input interface PWM+
The resistance value of connecting line is different and different between resistance and two interfaces, therefore master machine control unit can accurately connect the first lamps and lanterns
The lamps and lanterns of mouth CON3 connections are adjusted.
As preferred embodiment, slave module is identical as the structure of host module, it is only necessary to build synchronous light modulation
When system, the connection type of each module is adjusted.
As preferred embodiment, as shown in figure 4, slave module includes slave control unit and the second driving unit,
Slave sync cap SYN is located in slave control unit, and the second lamp interface is located on the second driving unit.
In the present embodiment, slave control unit is as shown in figure 5, the second driving unit is as shown in Figure 6.Slave sync cap
PWMOUT+ is located in slave control unit, and the second lamp interface CON3 is located on the second driving unit.
Slave control unit further includes slave dimming interface PWM, and the second driving unit further includes the second light modulation input interface
PWM+, the second light modulation input interface PWM+ are connected to slave dimming interface PWM；Second driving unit is used for defeated by the second light modulation
Incoming interface PWM+ obtains the second dimming information from slave dimming interface PWM, and for controlling second according to the second dimming information
The lamps and lanterns of lamp interface CON3 connections.
Also include light modulation detection interface PWM/0-10V in addition, slave module is similar with host module, only as from
Machine is in use, light modulation detection interface empties.In synchronous light adjusting system electrifying startup, each module detection light modulation detection interface
Whether PWM/0-10V has signal；If so, then corresponding module is host module, it is slave module if not.
It is realized as shown in figure 5, the chip of master machine control unit can be based on existing general-purpose chip, it also can be by dedicated
Chip is realized, is repeated no more.
As being further improved for the utility model embodiment, master machine control unit includes delay unit (not shown),
After the synchronous dimming information preset duration of host synchronization interface SYN+ outputs, host dimming interface PWM exports the first dimming information.
Delay unit can be achieved by the prior art based on chip functions as shown in Figure 5.
Since slave sync cap SYN receives synchronous dimming information and slave module root from host synchronization interface SYN+
The second dimming information is generated according to synchronous dimming information and is required to certain processing time, therefore host dimming interface PWM is being delayed
When exporting the first dimming information after preset duration, slave dimming interface PWM also exports the second dimming information simultaneously, therefore realizes
The synchronous light modulation of slave module with host module in time.Especially in synchronous light adjusting system machine open/close, slave module
With host module can synchronous machine open/close, the lamps and lanterns action for avoiding each module connection when machine open/close in the prior art is inconsistent
It is uncomfortable caused by user.
According to the synchronization light adjusting system that the utility model embodiment provides, synchronous light-dimming method may comprise steps of：
Step S110, host module obtains light modulation setting information from light modulation setup module；
Step S120, the described host module generates the first dimming information according to the light modulation setting information to be believed with synchronous light modulation
Breath；
The synchronous dimming information is sent to slave module by step S130, the described host module；
Step S140, the described slave module generates the second dimming information according to the synchronous dimming information；
Step S150, the described host module controls the output of the first lamp interface according to first dimming information；
Step S160, the described slave module controls the output of the second lamp interface according to second dimming information.
Further, the host module described in step S130 by the synchronous dimming information be sent to slave module it is default when
After length, the host module just executes step S150, i.e., controls the defeated of the first lamp interface according to first dimming information
Go out.
It is given birth to according to synchronous dimming information since slave module receives synchronous dimming information and slave module from host module
Certain processing time is required at the second dimming information, therefore host module exports the first light modulation after the preset duration that is delayed
When information, slave module also exports the second dimming information simultaneously, it is achieved that slave module and host module are in time
Synchronous light modulation.Especially in synchronous light adjusting system machine open/close, slave module and host module can synchronous machine open/close, avoid
The lamps and lanterns action of each module connection is inconsistent uncomfortable caused by the user when machine open/close in the prior art.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (9)
1. a kind of synchronous light adjusting system, it is characterised in that：Including light modulation setup module, host module and an at least slave module；
The light modulation setup module includes light modulation output interface, and the host module includes that light modulation detects interface, host synchronization connects
Mouth and the first lamp interface, the slave module includes slave sync cap and the second lamp interface；The light modulation detects interface
It is connected to the light modulation output interface, the slave sync cap of each slave module is all connected to the host synchronization interface；
The host module is used to detect interface by the light modulation obtains light modulation setting information from the light modulation output interface, and
The first dimming information and synchronous dimming information are generated according to light modulation setting information；The host module is additionally operable to according to the first light modulation
Information controls the lamps and lanterns of the first lamp interface connection, and synchronizing information is sent to the host synchronization interface；
The slave module is used to obtain synchronous dimming information by the slave sync cap, and is given birth to according to synchronous dimming information
At the second dimming information, the slave module is additionally operable to control the lamp of the second lamp interface connection according to the second dimming information
Tool.
2. synchronous light adjusting system as described in claim 1, it is characterised in that：The host module include master machine control unit and
First driving unit, the light modulation detection interface and host synchronization interface are located on the master machine control unit, first lamp
Tool interface is located on first driving unit；
The master machine control unit further includes host dimming interface, and first driving unit further includes that the first light modulation input connects
Mouthful, the first light modulation input interface is connected to the host dimming interface；First driving unit is used for by described the
One light modulation input interface obtains the first dimming information from the host dimming interface, and for being controlled according to the first dimming information
The lamps and lanterns of the first lamp interface connection.
3. synchronous light adjusting system as claimed in claim 2, it is characterised in that：The slave module include slave control unit and
Second driving unit, the slave sync cap are located in the slave control unit, and second lamp interface is located at described
On second driving unit；
The slave control unit further includes slave dimming interface, and second driving unit further includes that the second light modulation input connects
Mouthful, the second light modulation input interface is connected to the slave dimming interface；Second driving unit is used for by described the
Two light modulation input interfaces obtain the second dimming information from the slave dimming interface, and for being controlled according to the second dimming information
The lamps and lanterns of the second lamp interface connection.
4. synchronous light adjusting system as claimed in claim 3, it is characterised in that：The master machine control unit includes delay unit,
After the host synchronization interface exports synchronous dimming information preset duration, the first light modulation of host dimming interface output letter
Breath.
5. the synchronization light adjusting system as described in any one of claim 1-4, it is characterised in that：The host synchronization interface output
Synchronization dimming information be PWM wave, the host module is used for the duty according to the synchronous dimming information of light modulation setting information control
Than.
6. the synchronization light adjusting system as described in any one of claim 1-4, it is characterised in that：The host synchronization interface output
Synchronization dimming information be logic sequence, the host module is used to generate the logic sequence according to light modulation setting information.
7. synchronization light adjusting system as described in claim 3 or 4, it is characterised in that：The host dimming interface is to described first
It is PWM wave to dim the first dimming information that input interface is sent, and first driving unit is used for according to the first dimming information
The lamps and lanterns that first lamp interface described in Duty ratio control connects.
8. synchronous light adjusting system as claimed in claim 2, it is characterised in that：First driving unit includes MP24894 cores
Piece and its peripheral circuit.
9. the synchronization light adjusting system as described in any one of claim 1-4, it is characterised in that：The light modulation setup module is electricity
Hinder light modulator or 0-10V light modulators.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826280.7U CN208046979U (en) | 2017-12-21 | 2017-12-21 | A kind of synchronous light adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826280.7U CN208046979U (en) | 2017-12-21 | 2017-12-21 | A kind of synchronous light adjusting system |
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| CN208046979U true CN208046979U (en) | 2018-11-02 |
Family
ID=63955285
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719667A (en) * | 2019-11-04 | 2020-01-21 | 浙江生辉照明有限公司 | LED lamp synchronous control device and method |
-
2017
- 2017-12-21 CN CN201721826280.7U patent/CN208046979U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719667A (en) * | 2019-11-04 | 2020-01-21 | 浙江生辉照明有限公司 | LED lamp synchronous control device and method |
| CN110719667B (en) * | 2019-11-04 | 2021-06-22 | 浙江生辉照明有限公司 | LED lamp synchronous control device and method |
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Address after: 518000 Floor 1-3 of Block B, 26 Xinhe Avenue, Xinqiao Street, Baoan District, Shenzhen City, Guangdong Province (Block F, Kutuozi Cloud Builder Industrial Park, Floor 1-3) Patentee after: Shenzhen Leiford Technology Co., Ltd. Address before: 518000 Guangdong province Shenzhen city Baoan District street Xixiang Development Zone guwu Indus Taihua Industrial Park building 14A building 4-5 Patentee before: Shenzhen Ledfriend Optoelectronics Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191218 Address after: 620564 Renshou Economic Development Zone, Renshou County, Sichuan, Meishan Patentee after: Sichuan Ledfriend Technology Co., Ltd. Address before: 518000 Floor 1-3 of Block B, 26 Xinhe Avenue, Xinqiao Street, Baoan District, Shenzhen City, Guangdong Province (Block F, Kutuozi Cloud Builder Industrial Park, Floor 1-3) Patentee before: Shenzhen Leiford Technology Co., Ltd. |
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