CN108282930A - Light adjusting circuit, lamp assembly, light adjusting system and light-dimming method - Google Patents
Light adjusting circuit, lamp assembly, light adjusting system and light-dimming method Download PDFInfo
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- CN108282930A CN108282930A CN201810208644.8A CN201810208644A CN108282930A CN 108282930 A CN108282930 A CN 108282930A CN 201810208644 A CN201810208644 A CN 201810208644A CN 108282930 A CN108282930 A CN 108282930A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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Abstract
A kind of light adjusting circuit of present invention offer, lamp assembly, light adjusting system and light-dimming method.The light adjusting circuit includes：Processing unit and driving unit；Wherein, the input terminal of processing unit is for connecting Centralized Controller, the output end of processing unit is electrically connected with the first input end of driving unit, and the second input terminal of driving unit is for connecting the first power supply, M light source assembly that the output end of driving unit is used to be separately connected in lamps and lanterns；Processing unit, the dimming information for receiving Centralized Controller transmission；Processing unit is additionally operable to be gathered according to dimming information and default proportioning, obtains the target current proportioning information of M light source assembly；Driving unit, the target current for receiving processing unit transmission match information, and the electric current and target current that are provided according to the first power supply match information, and corresponding target dim electric current is transmitted to M light source assembly.The present invention flexibly realizes the dimming process to lamps and lanterns according to actual demand.
Description
Technical field
The present invention relates to lamp light-regulating technical field more particularly to a kind of light adjusting circuit, lamp assembly, light adjusting system and tune
Light method.
Background technology
Dimming lamp is gradually increased with people's energy conservation and environmental awareness, has been more and more widely used in daily life
In living and work.Fig. 1 is the structural schematic diagram of traditional light adjusting system provided by the invention, as shown in Figure 1, traditional light adjusting system
Including：Centralized Controller 11 and multiple lamps and lanterns 12, each of which lamps and lanterns include high color temperature light source component and low color temperature light source assembly.
Wherein, Centralized Controller 11 would generally input the voltage of different amplitudes using two light modulation lines to each lamps and lanterns 12, to each lamp
Tool 12 is dimmed, wherein a light modulation line is used to adjust the low color temperature light source assembly in lamps and lanterns 12, a light modulation line is used for lamp
High color temperature light source component in tool 12.
Since traditional light adjusting system uses voltage dimming mode, there are four types of the modes dimmed to lamps and lanterns, respectively
For：Low color temperature light source assembly is transferred to most bright, high color temperature light source component is transferred to most dark；Low color temperature light source assembly is transferred to most secretly,
High color temperature light source component is transferred to most bright；Low color temperature light source assembly and high color temperature light source component are transferred to most dark；By low color temperature light source
Component and high color temperature light source component are transferred to most bright.
However, when being dimmed to lamps and lanterns using existing voltage dimming mode, usually according to above-mentioned four kinds of modes, light modulation
Process is single and dumb, and dimming scope is also smaller so that lamp light-regulating efficiency reduces.
Invention content
A kind of light adjusting circuit of present invention offer, lamp assembly, light adjusting system and light-dimming method, to solve traditional light adjusting system
In since the mode of voltage light modulation is single lead to the less efficient problem of light modulation of lamps and lanterns.
In a first aspect, the present invention provides a kind of light adjusting circuit, including：Processing unit and driving unit；
Wherein, the input terminal of the processing unit is for connecting Centralized Controller, the output end of the processing unit and institute
The first input end electrical connection of driving unit is stated, the second input terminal of the driving unit is for connecting the first power supply, the drive
The M light source assembly that the output end of moving cell is used to be separately connected in lamps and lanterns, M are the positive integer more than 1；
The processing unit, the dimming information sent for receiving the Centralized Controller, wherein the dimming information is
Target color temperature information, and/or, object brightness information；
The processing unit is additionally operable to be gathered according to the dimming information and default proportioning, obtains the M light source assembly
Target current match information, wherein default proportioning set includes multiple subsets, each subset is including a colour temperature
Information, a luminance information and with one color temperature information and all corresponding M light source of one luminance information
The electric current of component matches information；
The driving unit matches information for receiving the target current that the processing unit is sent, and according to institute
The electric current and target current proportioning information for stating the offer of the first power supply, corresponding mesh is transmitted to the M light source assembly
Mark light modulation electric current.
Optionally, when the dimming information is the target color temperature information of the M light source assembly, the default proportioning collection
Luminance information in conjunction is all default constant brightness information；
The processing unit, for according to the target color temperature information, the default constant brightness information and described pre-
Establishing obtains the target current proportioning information of the M light source assembly than set；
When the dimming information is the object brightness information of the M light source assembly, in the default proportioning set
Color temperature information is all default fixed color temperature information；
The processing unit, for according to the default fixed color temperature information, the object brightness information and described pre-
Establishing obtains the target current proportioning information of the M light source assembly than set；
When the target for the target color temperature information and the M light source assembly that the dimming information is the M light source assembly
When luminance information,
The processing unit, for according to the target color temperature information, the object brightness information and the pre- establishing
Than set, the target current proportioning information of the M light source assembly is obtained.
Optionally, the processing unit, including：Power supply module, signal receiving module, signal processing module and signal are defeated
Go out module；
Wherein, the power supply module is electrically connected with second source, and for powering to the processing unit, the signal receives
Module is for connecting the Centralized Controller, and the signal receiving module is connect with the signal processing module, at the signal
Reason module is connect with the signal output module, and the signal output module and the first input end of the driving unit are electrically connected
It connects.
Optionally, the interface type of the processing unit includes：CAN interface, RS485 serial line interfaces and RS422
Any in serial line interface.
Optionally, the driving unit, including：Transformer and galvanostat；
Wherein, the input terminal of the transformer is for connecting first power supply, the output end of the transformer with it is described
The first input end of galvanostat is electrically connected, and the second input terminal of the galvanostat is electrically connected with the output end of the processing unit,
M output end of the galvanostat connects one to one with the M light source assembly.
Second aspect, the present invention provide a kind of lamp assembly, including：Lamps and lanterns and as described in relation to the first aspect light modulation electricity
Road；
Wherein, the lamps and lanterns include M light source assembly, and the M light source assembly is all electrically connected with the light adjusting circuit, M
For the positive integer more than 1.
Optionally, when the lamp assembly includes N number of lamps and lanterns, and N is positive integer, N number of lamps and lanterns are separately connected N number of tune
Optical circuit.
Optionally, when the lamp assembly includes N number of lamps and lanterns, and N is positive integer, N number of lamps and lanterns connect the same tune
Optical circuit.
Optionally, the M light source assembly includes：High color temperature light source component and low color temperature light source assembly.
The third aspect, the present invention provide a kind of light adjusting system, including：Power supply, Centralized Controller and at least one such as the
Lamp assembly described in two aspects；
Wherein, the power supply is electrically connected with the lamp assembly, and the Centralized Controller is electrically connected with the lamp assembly.
Fourth aspect, the present invention provide a kind of light-dimming method, including：
The dimming information that Centralized Controller is sent is received, wherein the dimming information is target color temperature information, and/or, mesh
Mark luminance information；
Gathered according to the dimming information and default proportioning, obtain the target current proportioning information of M light source assembly,
In, M is the positive integer more than 1, and the default proportioning set includes multiple subsets, and each subset includes that a colour temperature is believed
Breath, a luminance information and with one color temperature information and all corresponding M light source group of one luminance information
The electric current of part matches information；
The electric current that information and power supply offer are provided according to the target current, it is respectively right to M light source assembly transmission
The target dim electric current answered.
Optionally, described to be gathered according to the dimming information and default proportioning, the target current for obtaining M light source assembly is matched
Than information, including：
When the dimming information is the target color temperature information of the M light source assembly, in the default proportioning set
Luminance information is all default constant brightness information；
According to the target color temperature information, the default constant brightness information and the default proportioning set, institute is obtained
State the target current proportioning information of M light source assembly；
When the dimming information is the object brightness information of the M light source assembly, in the default proportioning set
Color temperature information is all default fixed color temperature information；
According to the default fixed color temperature information, the object brightness information and the default proportioning set, institute is obtained
State the target current proportioning information of M light source assembly；
When the target for the target color temperature information and the M light source assembly that the dimming information is the M light source assembly
When luminance information,
According to the target color temperature information, the object brightness information and the default proportioning set, the M are obtained
The target current of light source assembly matches information.
Light adjusting circuit, lamp assembly, light adjusting system and light-dimming method provided by the invention are controlled with concentration through the processing unit
The connection of device processed so that processing unit can receive the dimming information of Centralized Controller transmission, include target in the dimming information
Color temperature information, and/or, object brightness information.Since processing unit is equipped with preset configuration set in advance, in the preset configuration set
Be stored with multiple subsets, each subset include a color temperature information, a luminance information and with a color temperature information and one
The electric current of all corresponding M light source assembly of luminance information matches information so that processing unit can be according to dimming information and default
Proportioning set obtains the target current proportioning information of M light source assembly.Driving unit, can be with by the connection with processing unit
It receives the target current that processing unit is sent and matches information.Driving unit, can be by the first electricity by the connection with the first power supply
The electric current that source provides is converted into the electric current needed for lamps and lanterns.In turn, driving unit matches information according to the electric current and target current, can
To transmit corresponding target dim electric current to M light source assembly, the dimming process to lamps and lanterns is realized.The present embodiment solves
In traditional light adjusting system due to the mode of voltage light modulation is single and the problem of lead to the light modulation inefficiency of lamps and lanterns, pass through change
The light modulation electric current of each light source assembly, not only may be implemented the adjusting to the colour temperature of lamps and lanterns in lamps and lanterns, can also realize to lamps and lanterns
The adjusting of brightness can also realize the adjusting common to the colour temperature of lamps and lanterns and brightness, so as to flexibly real according to actual demand
Now to the dimming process of lamps and lanterns so that adjustment process is flexible and changeable, not only increases the dimming mode to lamps and lanterns, has widened lamps and lanterns
Dimming scope, also so that lamps and lanterns light modulation efficiency improve, saved resource and cost.
Description of the drawings
It, below will be to embodiment or existing in order to clearly demonstrate the embodiment of the present invention or technical solution in the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments of embodiment, for those of ordinary skill in the art, without having to pay creative labor, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of traditional light adjusting system provided by the invention；
Fig. 2 is the structural schematic diagram of light adjusting circuit provided by the invention；
Fig. 3 is the structural schematic diagram of processing unit provided by the invention；
Fig. 4 is the structural schematic diagram of driving unit provided by the invention；
Fig. 5 A are the structural schematic diagram of lamp assembly provided by the invention；
Fig. 5 B are the structural schematic diagram of lamp assembly provided by the invention；
Fig. 6 is the structural schematic diagram of light adjusting system provided by the invention；
Fig. 7 is the flow chart of light-dimming method provided by the invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment in the embodiment of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to implementation of the present invention
The range of example protection.
The present embodiment can not only dim lamps and lanterns according to actual demand so that dimming process is more automatic and human nature
Change, the light modulation efficiency and resource utilization of lamps and lanterns can also be improved.And the light adjusting circuit in the present embodiment can be applicable to daily life
In work, such as in the dimming process of the headlamp lamps and lanterns in the headlamp or tunnel of road both sides.In the following, by specific real
Example is applied, the concrete structure of light adjusting circuit is described in detail.
Fig. 2 is the structural schematic diagram of light adjusting circuit provided by the invention, as shown in Fig. 2, the light adjusting circuit 20 of the present embodiment
Including：Processing unit 21 and driving unit 22.
Wherein, for the input terminal of processing unit 21 for connecting Centralized Controller, the output end of processing unit 21 and driving are single
The first input end electrical connection of member 22, the second input terminal of driving unit 22 for connecting the first power supply, driving unit 22 it is defeated
The M light source assembly that outlet is used to be separately connected in lamps and lanterns, M are the positive integer more than 1；
Processing unit 21, the dimming information for receiving Centralized Controller transmission, wherein dimming information are believed for target colour temperature
Breath, and/or, object brightness information；
Processing unit 21 is additionally operable to be gathered according to dimming information and default proportioning, obtains the target current of M light source assembly
Information is matched, wherein default proportioning set includes multiple subsets, each subset includes a color temperature information, a brightness letter
It ceases and matches information with the electric current of a color temperature information and all corresponding M light source assembly of a luminance information；
Driving unit 22, the target current for receiving the transmission of processing unit 21 matches information, and is carried according to the first power supply
The electric current and target current of confession match information, and corresponding target dim electric current is transmitted to M light source assembly.
Specifically, processing unit 21 can make Centralized Controller refer to using communication by the connection with Centralized Controller
The mode of order sends dimming information to processing unit 21.Wherein, dimming information can be aim colour temperature information, or target
Luminance information can also be that target color temperature information and object brightness information, the present embodiment do not limit this.Under normal circumstances,
Object brightness information is indicated using percentage, in the range of 10%-100%.
Further, in this embodiment the serial ports or CAN interface of Modbus communications protocol may be used so that collection
Middle controller sends dimming information to processing unit 21.Optionally, the interface type of processing unit 21 includes：CAN interface.
And the serial ports of Modbus communications protocol can also be used in the present embodiment so that Centralized Controller sends to processing unit 21 and dims
Information.Optionally, the interface type of processing unit includes：RS485 serial line interfaces or RS422 serial line interfaces.Wherein, the present embodiment
The interface type of processing unit 21 is not limited, need to only ensure that processing unit 21 and the interface type of Centralized Controller keep one
Cause.
Further, default proportioning set is stored in processing unit 21, which includes multiple subsets, and
Include a color temperature information, a luminance information and all corresponding each with the color temperature information and the luminance information in each subset
The electric current of light source assembly matches information, and electric current proportioning information is that the ratio between light modulation electric current that each light source assembly respectively uses is corresponding
Information.For example, when M is 2, the electric current proportioning information of two light source assemblies can be 100：0、1：1、5：1 etc..Wherein, it presets
Proportioning set can flexibly be set according to actual demand in advance, and the form that a table may be used in default proportioning set will own
The information of subset is stored, and the form that multiple lists can also be used respectively stores the information of each subset, the present embodiment
The number of specific storage form and subset to default proportioning set neither limits.
Further, for convenience of description, default proportioning set is illustrated by taking table 1 as an example.Wherein, the first power supply carries
The electric current of confession is indicated with I, and the number M of M light source assembly is 2, and respective electric current is indicated with I1 and I2.And colour temperature
Size is by taking 3000K to 6500K this range as an example, and the brightness of two light source assemblies is by taking 50% and 100% as an example.
The default proportioning set of table 1
Further, processing unit 21 can by the dimming information received and each subset in default proportioning set one by one into
Row compares, and finds the subset comprising the dimming information, and then using the electric current proportioning information in the subset as M light source assembly
Target current matches information.If needing the colour temperature of lamps and lanterns being adjusted to 3000K and brightness is for example, target colour temperature information table is bright
100%, then processing unit 21 can first determine the subset that colour temperature is 3000K and brightness is 100% in default proportioning set, then obtain
Target current proportioning to the electric current proportioning information in the subset that colour temperature is 3000K and brightness is 100% as M light source assembly
Information.
Specifically, the first input end of driving unit 22 can obtain M light source group by the connection with processing unit 21
The target current of part matches information.Second input terminal of driving unit 22 can obtain first by the connection with the first power supply
The electric current that power supply provides.And the electric current that the first power supply provides can be converted into the electric current needed for lamps and lanterns by driving unit 22, and press
The electric current is divided into M target dim electric current according to target current proportioning information, and driving unit 22 can be respectively by M target
It dims electric current and corresponds M light source assembly of supply.
For example, M light source assembly includes light source assembly 1 and light source assembly 2, target current matches information table Mingguang City source component
The ratio between 1 and the electric current of light source assembly 2 are 2：1, when the transformed size of current of electric current institute that the first power supply provides is 3A, driving is single
The electric current of first power supply can be divided into 2A and 1A by member 22, and the light modulation electric current of 2A sizes is provided to light source assembly 1, to light source assembly
2 provide the light modulation electric current of 1A sizes.
Further, M light source assembly can match information according to the electric current and target current of the first power supply and obtain difference
Target dim electric current so that the colour temperature and/or brightness that operating personnel can be according to actual demand flexible modulation lamps and lanterns, realize pair
Lamp light-regulating process increases the dimming scope to lamps and lanterns, improves the light modulation efficiency of lamps and lanterns.
Light adjusting circuit provided in this embodiment, through the processing unit with the connection of Centralized Controller so that processing unit can
Include target color temperature information in the dimming information to receive the dimming information of Centralized Controller transmission, and/or, object brightness letter
Breath.Since processing unit is equipped with preset configuration set in advance, multiple subsets are stored in the preset configuration set, each subset is equal
Including a color temperature information, a luminance information and with a color temperature information and all corresponding M light source group of a luminance information
The electric current of part matches information so that processing unit can be gathered according to dimming information and default proportioning, obtain M light source assembly
Target current matches information.Driving unit can receive the target current of processing unit transmission by the connection with processing unit
Match information.The electric current that first power supply provides can be converted into needed for lamps and lanterns by driving unit by the connection with the first power supply
Electric current.In turn, driving unit matches information according to the electric current and target current, can be respectively right to M light source assembly transmission
The target dim electric current answered realizes the dimming process to lamps and lanterns.The present embodiment solves in traditional light adjusting system due to voltage
The mode of light modulation is single and the problem of lead to the light modulation inefficiency of lamps and lanterns, pass through the light modulation electricity for changing each light source assembly in lamps and lanterns
Stream, not only may be implemented the adjusting to the colour temperature of lamps and lanterns, can also realize the adjusting of the brightness to lamps and lanterns, and can be realized simultaneously
The adjusting of colour temperature and brightness to lamps and lanterns so that adjustment process is flexible and changeable, not only increases the dimming mode to lamps and lanterns, widens
The dimming scope of lamps and lanterns has saved resource and cost also so that the light modulation efficiency of lamps and lanterns improves.
First, on the basis of above-mentioned Fig. 2 embodiments, light adjusting circuit can not only be adjusted the colour temperature of lamps and lanterns, also
The brightness of lamps and lanterns can be adjusted, adjusting can also be carried out at the same time to the colour temperature of lamps and lanterns and brightness, realize the spirit to lamps and lanterns
Light modulation living.
Optionally, when dimming information is the target color temperature information of M light source assembly, the brightness letter in proportioning set is preset
Breath is all default constant brightness information；
Processing unit 21, for according to target color temperature information, default constant brightness information and default proportioning set, obtaining
The target current of M light source assembly matches information；
When dimming information is the object brightness information of M light source assembly, the color temperature information in default proportioning set is all
Default fixed color temperature information；
Processing unit 21, for according to default fixed color temperature information, object brightness information and default proportioning set, obtaining
The target current of M light source assembly matches information；
When the object brightness information of target color temperature information and M light source assembly that dimming information is M light source assembly,
Processing unit 21, for according to target color temperature information, object brightness information and default proportioning set, obtaining M
The target current of light source assembly matches information.
Specifically, the form of dimming information includes a variety of, and the present embodiment does not limit this.In the following, by a manner of three kinds
The specific inside of dimming information is described in detail.
In a first aspect, when dimming information is the target color temperature information of M light source assembly, the mesh in acquiescence light modulation letter information
It is default constant brightness information to mark luminance information.Wherein, which is the brightness letter in default proportioning set
Breath is according to the preset content of actual conditions, i.e., the luminance information in each subset is fixed value, which can be identical,
Also can be different, the present embodiment does not limit this.
Further, processing unit 21 can directly determine object brightness information when receiving only target color temperature information
To preset constant brightness information so that processing unit 21 can be according to target color temperature information, default constant brightness information and pre-
Establishing obtains the target current proportioning information of M light source assembly, realizes and keep the brightness of M light source assembly constant than set, right
The adjusting of the colour temperature of M light source assembly.
Wherein, when default constant brightness information is 100%, since M target dim electric current is according to the practical need of lamps and lanterns
What the target current proportioning information for the electric current and M light source assembly wanted obtained, therefore, the sum of power of M light source assembly is always
Keep the rated power of lamps and lanterns so that the luminescent conversion rate of lamps and lanterns improves, and economizes on resources.
And in traditional light adjusting system as shown in Figure 1, Centralized Controller 11 only has the low color temperature light to lamps and lanterns 12 simultaneously
When source component and high color temperature light source component input maximum voltage, the power of lamps and lanterns 12 can reach rated power, be unable to reach
The purpose that lamps and lanterns 12 are flexibly dimmed.And in other light modulations, if the low color temperature light source assembly in lamps and lanterns 12 and high color temperature
The sum of power of light source assembly is all unable to reach the rated power of lamps and lanterns 12, not only reduces the luminous efficiency of lamps and lanterns 12, also wave
Resource and cost are taken.
Second aspect, when dimming information is the object brightness information of M light source assembly, the mesh in acquiescence light modulation letter information
It is default fixed color temperature information to mark color temperature information.Wherein, which is the colour temperature letter in default proportioning set
Breath is according to the preset content of actual conditions, i.e., the color temperature information in each subset is fixed value, which can be identical,
Also can be different, the present embodiment does not limit this.
Further, processing unit 21 can directly determine target color temperature information when receiving only object brightness information
For default fixed color temperature information so that processing unit 21 can be according to default fixed color temperature information, object brightness information and pre-
Establishing obtains the target current proportioning information of M light source assembly, realizes and keep the colour temperature of M light source assembly constant than set, right
The adjusting of the brightness of M light source assembly.
The third aspect, when the object brightness for the target color temperature information and M light source assembly that dimming information is M light source assembly
When information, processing unit 21 can obtain M light according to target color temperature information, object brightness information and default proportioning set
The target current of source component matches information, realizes and is carried out at the same time adjusting to the colour temperature of M light source assembly and brightness.
Secondly, on the basis of the above embodiments, in conjunction with Fig. 3 to the specific knot of the processing unit 21 in Fig. 2 light adjusting circuits
Structure is described in detail.
Fig. 3 is the structural schematic diagram of processing unit provided by the invention.As shown in figure 3, processing unit 21, including：Power supply
Module 211, signal receiving module 212, signal processing module 213 and signal output module 214；
Wherein, power supply module 211 is electrically connected with second source, for powering to processing unit 21, signal receiving module 212
For connecting Centralized Controller, signal receiving module 212 is connect with signal processing module 213, signal processing module 213 and signal
Output module 214 connects, and signal output module 214 is electrically connected with the first input end of driving unit 22.
Specifically, due to needing the voltage of different amplitudes to be powered in processing unit 21, pass through power supply module
211 with the connection of second source, can be powered to processing unit 21.Wherein, second source can be DC power supply, also may be used
Think that AC power, the present embodiment do not limit this.
Further, signal receiving module 212 can get dimming information by being connect with Centralized Controller, wherein
The interface type of signal receiving module 212 and the interface type of Centralized Controller can be CAN interface, RS485 serial interfaces
Any in mouth and RS422 serial line interfaces.
Further, signal processing module 213 is to the target color temperature information and/or object brightness information in dimming information
Whether before extracting, it is effective first to detect dimming information, to ensure that the dimming information is to be dimmed to current lamps and lanterns
Information, or ensure that dimming information is effective information, avoid carrying out processing procedure unnecessary, reduce light modulation efficiency, increase
Dimming time and cost.In turn, effective in dimming information, signal processing module 213 by with signal receiving module
212 connection, can extract target color temperature information and/or object brightness information in dimming information, and signal processing module 213 is logical
It crosses to dimming information and default proportioning information, the target dim electric current of M light source assembly can be obtained.
Further, signal output module 214 passes through the connection with signal processing module 213 and driving unit 22, signal
The target dim electric current for receiving M light source assembly can be transferred to driving unit 22 by output module 214, so as to driving unit
22 dim the colour temperature of lamps and lanterns and/or brightness according to the target dim electric current of M light source assembly.
Finally, on the basis of the above embodiments, in conjunction with Fig. 4 to the specific knot of the driving unit 22 in Fig. 2 light adjusting circuits
Structure is described in detail.
Fig. 4 is the structural schematic diagram of driving unit provided by the invention.As shown in figure 4, driving unit 22, including：Transformation
Device 221 and galvanostat 222；
Wherein, the input terminal of transformer 221 is for connecting the first power supply, output end and the galvanostat 222 of transformer 221
First input end is electrically connected, and the second input terminal of galvanostat 222 is electrically connected with the output end of processing unit 21, the M of galvanostat 222
A output end connects one to one with M light source assembly.
Specifically, transformer 221 is alternating current due to the usual alternating current of the first power supply by the connection with the first power supply, and
Lamps and lanterns are usually direct current, and therefore, the first power supply can be converted to the electric current suitable for lamps and lanterns by transformer 221.Wherein, this reality
Example is applied to be not specifically limited the type of transformer 221.
Further, the first input end of galvanostat 222 passes through the connection of the output end with transformer 221, galvanostat 222
The connection that passes through the output end with processing unit 21 of the second input terminal so that galvanostat 222 can receive processing unit 21
The target current proportioning information and/or object brightness information of transmission, and information can be matched according to target current and press the electric current
Ratio carries out division processing, obtains M target dim electric current.Wherein, the present embodiment does not do specific limit to the type of galvanostat 222
It is fixed.
Further, M output end of galvanostat 222 by connecting correspondingly with M light source assembly, galvanostat
222 can transmit corresponding M target dim electric current to M light source assembly respectively.
Fig. 5 A are the structural schematic diagram of lamp assembly provided by the invention, and Fig. 5 B are the knot of lamp assembly provided by the invention
Structure schematic diagram, as fig. 5 a and fig. 5b, the lamp assembly 50 of the present embodiment includes：Lamps and lanterns 51 and light modulation as described above
Circuit 52；
Wherein, lamps and lanterns 51 include M light source assembly, and M light source assembly is all electrically connected with light adjusting circuit 52.
Specifically, when lamps and lanterns 51 include N number of lamps and lanterns, and N is positive integer, the connection side of each lamps and lanterns 51 and light adjusting circuit 52
Formula is different.In the following, specific connection type is described in detail using two ways.
The first feasible embodiment, as shown in Figure 5A, N number of lamps and lanterns 51 are separately connected N number of light adjusting circuit 52, i.e., each
A lamps and lanterns 51 are all connected there are one light adjusting circuit 52, in this way, the dimming information that each lamps and lanterns 51 receive can be identical, it can also
Difference, light adjusting circuit 52 can carry out each lamps and lanterns 51 according to actual conditions the light modulation of identical or different colour temperature and brightness
Journey.Wherein, Centralized Controller can send the dimming information of N number of lamps and lanterns 51 by a communication interface to the light adjusting circuit 52,
Can also send the dimming information of N number of lamps and lanterns 51 to the light adjusting circuit 52 respectively by N number of communication interface, the present embodiment to this not
It limits.
Second of feasible embodiment, as shown in Figure 5 B, N number of lamps and lanterns 51 connect the same light adjusting circuit 52.Specifically,
Centralized Controller can send the dimming information of N number of lamps and lanterns 51, N number of lamps and lanterns 51 by a communication interface to the light adjusting circuit 52
Dimming information may be embodied in a communication instruction, the dimming informations of N number of lamps and lanterns 51 can also be included in a plurality of communication and refer to
In order, according to actual conditions N number of lamps and lanterns 51 can specifically be carried out with the dimming process of identical or different colour temperature and brightness, this implementation
Example does not limit this.
Optionally, the number M of M light source assembly is 2.Two light source assemblies can be high color temperature light source component and low color temperature
Light source assembly.Specifically, light source assembly may include LED lamp bead.It is carried out by the respective electric current of light source assembly to different-colour
Individual cultivation realizes the dimming process to lamps and lanterns 51.
Lamp assembly 50 provided in an embodiment of the present invention includes light adjusting circuit as described above, can perform above-mentioned implementation
Example implements principle and technique effect, reference can be made to above-mentioned light adjusting circuit embodiment, details are not described herein again for the present embodiment.
Fig. 6 is the structural schematic diagram of light adjusting system provided by the invention, as shown in fig. 6, the light adjusting system 60 of the present embodiment
Including：Power supply 61, Centralized Controller 62 and lamp assembly 63 as described above；
Wherein, power supply 61 is electrically connected with lamp assembly 63, and Centralized Controller 62 is electrically connected with lamp assembly 63.
Light adjusting system 60 provided in an embodiment of the present invention includes lamp assembly as described above, can perform above-mentioned implementation
Example implements principle and technique effect, reference can be made to above-mentioned lamp assembly embodiment, details are not described herein again for the present embodiment.
Fig. 7 is the flow chart of light-dimming method provided by the invention, as shown in fig. 7, the light-dimming method of the present embodiment can wrap
It includes：
S101, the dimming information that Centralized Controller is sent being received, wherein dimming information is target color temperature information, and/or, mesh
Mark luminance information.
S102, gathered according to target color temperature information and default proportioning, obtain the target current proportioning letter of M light source assembly
Breath, wherein M is the positive integer more than 1, and default proportioning set includes multiple subsets, and each subset includes that a colour temperature is believed
Breath, a luminance information and with the electric current of a color temperature information and all corresponding M light source assembly of a luminance information proportioning
Information.
S103, the electric current that information and power supply offer are provided according to target current, it is corresponding to M light source assembly transmission
Target dim electric current.
Specifically, the light-dimming method in the present embodiment is applied to light adjusting circuit, which can receive centralized control
The dimming information that device is sent.Wherein, dimming information includes the target color temperature information and/or object brightness letter of M light source assembly
Breath.Since default proportioning set includes multiple subsets, each subset including a color temperature information, a luminance information and
The electric current of M light source assembly all corresponding with the color temperature information and the luminance information matches information, and therefore, light adjusting circuit can root
Gather according to dimming information and default proportioning, obtains the target current proportioning information of M light source assembly, and match according to target current
The electric current that information and power supply provide can transmit corresponding target dim electric current so that the color of lamps and lanterns to M light source assembly
Mildly/brightness changes, and realizes the dimming process to lamps and lanterns.
Further, the colour temperature of lamps and lanterns can not only be dimmed by light-dimming method in this present embodiment, it can be with
The brightness of lamps and lanterns is dimmed, striped can also be carried out jointly to the colour temperature of lamps and lanterns and brightness, and can also be according to practical need
It asks and is set, therefore, light adjusting circuit can not only export different target dim electric currents to M light source assembly so that operation
Personnel can be according to actual demand flexible modulation lamps and lanterns colour temperature and/or brightness, and increase the dimming mode to lamps and lanterns, widen
The dimming scope of lamps and lanterns so that the light modulation efficiency of lamps and lanterns improves, and has saved resource and cost.
Light-dimming method provided in this embodiment can perform the embodiment of above-mentioned lighting network control, implement principle and technology
Effect, reference can be made to above method embodiment, details are not described herein again for the present embodiment.
On the basis of Fig. 7 embodiments, to gathering according to dimming information and default proportioning in S102, M light source group is obtained
The detailed process of the target current proportioning information of part is described in detail.
Optionally, when dimming information is the target color temperature information of M light source assembly, the brightness letter in proportioning set is preset
Breath is all default constant brightness information；
According to target color temperature information, default constant brightness information and default proportioning set, the mesh of M light source assembly is obtained
It marks electric current and matches information；
When dimming information is the object brightness information of M light source assembly, the color temperature information in default proportioning set is all
Default fixed color temperature information；
According to default fixed color temperature information, object brightness information and default proportioning set, the mesh of M light source assembly is obtained
It marks electric current and matches information；
When the object brightness information of target color temperature information and M light source assembly that dimming information is M light source assembly,
According to target color temperature information, object brightness information and default proportioning set, the target electricity of M light source assembly is obtained
Stream proportioning information.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of light adjusting circuit, which is characterized in that including：Processing unit and driving unit；
Wherein, the input terminal of the processing unit is for connecting Centralized Controller, the output end of the processing unit and the drive
The first input end of moving cell is electrically connected, and for the second input terminal of the driving unit for connecting the first power supply, the driving is single
The M light source assembly that the output end of member is used to be separately connected in lamps and lanterns, M are the positive integer more than 1；
The processing unit, the dimming information sent for receiving the Centralized Controller, wherein the dimming information is target
Color temperature information, and/or, object brightness information；
The processing unit is additionally operable to be gathered according to the dimming information and default proportioning, obtains the mesh of the M light source assembly
Mark electric current and match information, wherein default proportioning set includes multiple subsets, each subset including a color temperature information,
One luminance information and with one color temperature information and all corresponding M light source assembly of one luminance information
Electric current matches information；
The driving unit matches information for receiving the target current that the processing unit is sent, and according to described the
The electric current and the target current that one power supply provides match information, and corresponding target tune is transmitted to the M light source assembly
Photoelectric current.
2. light adjusting circuit according to claim 1, which is characterized in that
When the dimming information is the target color temperature information of the M light source assembly, the brightness in the default proportioning set
Information is all default constant brightness information；
The processing unit, for according to the target color temperature information, the default constant brightness information and the pre- establishing
Than set, the target current proportioning information of the M light source assembly is obtained；
When the dimming information is the object brightness information of the M light source assembly, the colour temperature in the default proportioning set
Information is all default fixed color temperature information；
The processing unit, for according to the default fixed color temperature information, the object brightness information and the pre- establishing
Than set, the target current proportioning information of the M light source assembly is obtained；
When the object brightness for the target color temperature information and the M light source assembly that the dimming information is the M light source assembly
When information,
The processing unit, for being collected according to the target color temperature information, the object brightness information and the default proportioning
It closes, obtains the target current proportioning information of the M light source assembly.
3. light adjusting circuit according to claim 1 or 2, which is characterized in that the processing unit, including：Power supply module, letter
Number receiving module, signal processing module and signal output module；
Wherein, the power supply module is electrically connected with second source, for powering to the processing unit, the signal receiving module
For connecting the Centralized Controller, the signal receiving module is connect with the signal processing module, the signal processing mould
Block is connect with the signal output module, and the signal output module is electrically connected with the first input end of the driving unit.
4. light adjusting circuit according to claim 1 or 2, which is characterized in that the interface type of the processing unit includes：
Any in CAN interface, RS485 serial line interfaces and RS422 serial line interfaces.
5. light adjusting circuit according to claim 1 or 2, which is characterized in that the driving unit, including：Transformer and perseverance
Flow device；
Wherein, the input terminal of the transformer is for connecting first power supply, the output end of the transformer and the constant current
The first input end of device is electrically connected, and the second input terminal of the galvanostat is electrically connected with the output end of the processing unit, described
M output end of galvanostat connects one to one with the M light source assembly.
6. a kind of lamp assembly, which is characterized in that including：Lamps and lanterns and light adjusting circuit as described in any one in claim 1-5；
Wherein, the lamps and lanterns include M light source assembly, and the M light source assembly is all electrically connected with the light adjusting circuit, and M is big
In 1 positive integer.
7. lamp assembly according to claim 6, which is characterized in that in the lamp assembly include N number of lamps and lanterns, N is just
When integer, N number of lamps and lanterns are separately connected N number of light adjusting circuit.
8. lamp assembly according to claim 6, which is characterized in that in the lamp assembly include N number of lamps and lanterns, N is just
When integer, N number of lamps and lanterns connect the same light adjusting circuit.
9. lamp assembly according to claim 6, which is characterized in that the M light source assembly include：High color temperature light source group
Part and low color temperature light source assembly.
10. a kind of light adjusting system, which is characterized in that including：Power supply, Centralized Controller and at least one such as claim 6-9
Any one of them lamp assembly；
Wherein, the power supply is electrically connected with the lamp assembly, and the Centralized Controller is electrically connected with the lamp assembly.
11. a kind of light-dimming method, which is characterized in that including：
The dimming information that Centralized Controller is sent is received, wherein the dimming information is target color temperature information, and/or, target is bright
Spend information；
Gathered according to the dimming information and default proportioning, the target current for obtaining M light source assembly matches information, wherein M is
Positive integer more than 1, the default proportioning set include multiple subsets, each subset including a color temperature information, one
Luminance information and with the electric current of one color temperature information and all corresponding M light source assembly of one luminance information
Match information；
The electric current that information and power supply offer are matched according to the target current transmits corresponding to the M light source assembly
Target dim electric current.
12. according to the method for claim 11, which is characterized in that described to be collected according to the dimming information and default proportioning
It closes, obtains the target current proportioning information of M light source assembly, including：
When the dimming information is the target color temperature information of the M light source assembly, the brightness in the default proportioning set
Information is all default constant brightness information；
According to the target color temperature information, the default constant brightness information and the default proportioning set, the M are obtained
The target current of light source assembly matches information；
When the dimming information is the object brightness information of the M light source assembly, the colour temperature in the default proportioning set
Information is all default fixed color temperature information；
According to the default fixed color temperature information, the object brightness information and the default proportioning set, the M are obtained
The target current of light source assembly matches information；
When the object brightness for the target color temperature information and the M light source assembly that the dimming information is the M light source assembly
When information,
According to the target color temperature information, the object brightness information and the default proportioning set, the M light source is obtained
The target current of component matches information.
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| CN201810208644.8A CN108282930A (en) | 2018-03-14 | 2018-03-14 | Light adjusting circuit, lamp assembly, light adjusting system and light-dimming method |
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| CN201810208644.8A CN108282930A (en) | 2018-03-14 | 2018-03-14 | Light adjusting circuit, lamp assembly, light adjusting system and light-dimming method |
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| CN111295013A (en) * | 2018-12-07 | 2020-06-16 | 上海航空电器有限公司 | Angle of attack instruction dimming and landing indication dimming system based on data bus control |
| CN111542153A (en) * | 2020-05-26 | 2020-08-14 | 深圳爱克莱特科技股份有限公司 | LED lamp, dimming module of LED lamp and dimming method |
| CN113677061A (en) * | 2021-07-12 | 2021-11-19 | 深圳市国华光电科技有限公司 | Color temperature adjusting method, color temperature adjusting system and lamp |
| CN115633434A (en) * | 2022-10-08 | 2023-01-20 | 深圳市晟瑞科技有限公司 | Dimming current adjusting method, system, device, storage medium and dimming power supply |
| WO2024073895A1 (en) * | 2022-10-08 | 2024-04-11 | 深圳市晟瑞科技有限公司 | Dimming current adjustment method, system and apparatus, and storage medium and dimming power source |
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