CN218416731U - Adjustable colour temperature light source module based on current control - Google Patents
Adjustable colour temperature light source module based on current control Download PDFInfo
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- CN218416731U CN218416731U CN202222659586.5U CN202222659586U CN218416731U CN 218416731 U CN218416731 U CN 218416731U CN 202222659586 U CN202222659586 U CN 202222659586U CN 218416731 U CN218416731 U CN 218416731U
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- color temperature
- temperature light
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Abstract
The utility model discloses an adjustable colour temperature light source module based on current control, including the base plate, encapsulate in a plurality of first colour temperature light source group and a plurality of second colour temperature light source group on the base plate, first colour temperature light source group and second colour temperature light source group are the parallel connection in turn to through the colour temperature and the luminance of current control first colour temperature light source group and second colour temperature light source group, the total voltage of first colour temperature light source group is less than the total voltage of second colour temperature light source group; through setting up a plurality of first color temperature light source group and a plurality of second color temperature light source group to with first color temperature light source group and the alternative parallel connection of second color temperature light source group, better color temperature light source control effect can be realized to the colour temperature and the luminance of the first color temperature light source group of rethread current control and second color temperature light source group, in addition, the utility model discloses simple structure, greatly reduced manufacturing cost.
Description
Technical Field
The utility model relates to an adjustable colour temperature light source module technical field especially relates to an adjustable colour temperature light source module based on current control.
Background
At present, the light source with adjustable color temperature generally adopts a set of high color temperature light source and a set of low color temperature light source to constitute, then adopts the high color temperature light source when the user needs the high color temperature environment, then adopts the low color temperature light source when the user needs the low color temperature environment, then adopts the light source of two sets of color temperatures to work jointly when the user needs the middle color temperature environment to different in order to reach different color temperature light source effects according to the proportion difference of two sets of color temperatures.
However, the conventional color temperature adjustable light source has poor control on the effect of the color temperature light source, and the structure is complex, so that the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an adjustable colour temperature light source module based on current control can solve the defect that current adjustable colour temperature light source exists relatively poor and manufacturing cost is high to the control ratio of colour temperature light source effect.
The technical scheme of the utility model is realized like this:
the first color temperature light source group and the second color temperature light source group are alternately connected in parallel, the color temperature and the brightness of the first color temperature light source group and the second color temperature light source group are controlled through current, and the total voltage of the first color temperature light source group is smaller than that of the second color temperature light source group.
As a further alternative of the current-control-based color temperature adjustable light source module, the first color temperature light source group includes a plurality of first LED lamp beads connected in series in sequence, and the second color temperature light source group includes a plurality of second LED lamp beads connected in series in sequence.
As a further alternative of the current control-based color temperature adjustable light source module, the first LED lamp bead adopts a lamp bead with the same voltage, and the second LED lamp bead adopts a lamp bead with one or two voltages.
As a further alternative of the current control-based color temperature adjustable light source module, the current control includes a single-path current mode control or a constant current mode control.
As a further alternative of the current control-based color temperature adjustable light source module, the color temperature of the first color temperature light source set is lower than the color temperature of the second color temperature light source set.
As a further alternative of the current-control-based color temperature adjustable light source module, a first bonding pad and a second bonding pad are arranged on the substrate, anodes of the first color temperature light source set and the second color temperature light source set are simultaneously connected to the first bonding pad, and cathodes of the first color temperature light source set and the second color temperature light source set are simultaneously connected to the second bonding pad.
The beneficial effects of the utility model are that: through setting up a plurality of first color temperature light source group and a plurality of second color temperature light source group to with first color temperature light source group and the alternative parallel connection of second color temperature light source group, better color temperature light source control effect can be realized to the colour temperature and the luminance of the first color temperature light source group of rethread current control and second color temperature light source group, in addition, the utility model discloses simple structure, greatly reduced manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an adjustable color temperature light source module based on current control according to the present invention;
fig. 2 is another schematic circuit diagram of the present invention, which is based on current control, of the color temperature adjustable light source module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, a current control-based color temperature adjustable light source module includes a substrate, a plurality of first color temperature light source sets and a plurality of second color temperature light source sets, which are packaged on the substrate, the first color temperature light source sets and the second color temperature light source sets are alternately connected in parallel, and the color temperature and the brightness of the first color temperature light source sets and the second color temperature light source sets are controlled through current, and the total voltage of the first color temperature light source sets is less than the total voltage of the second color temperature light source sets.
In this embodiment, through setting up a plurality of first color temperature light source group and a plurality of second color temperature light source group to with first color temperature light source group and the alternative parallel connection of second color temperature light source group, better color temperature light source control effect can be realized to the colour temperature and the luminance of rethread current control first color temperature light source group and second color temperature light source group, in addition, the utility model discloses simple structure, greatly reduced manufacturing cost.
The first color temperature light source group and the second color temperature light source group may be equal in number or different in number.
Preferably, the first color temperature light source group comprises a plurality of first LED lamp beads which are sequentially connected in series, and the second color temperature light source group comprises a plurality of second LED lamp beads which are sequentially connected in series.
Preferably, the first LED lamp beads adopt lamp beads with the same voltage, and the second LED lamp beads adopt lamp beads with one or two voltages.
In this embodiment, when the first LED lamp bead adopts a lamp bead with the same voltage, and the second LED lamp bead adopts a lamp bead with the same voltage, the number of the second LED lamp beads is greater than that of the first LED lamp beads, when the first LED lamp bead adopts a lamp bead with the same voltage, and the second LED lamp bead adopts a lamp bead with two voltages, the number of the second LED lamp beads is the same as that of the first LED lamp beads, and by the above lamp bead setting mode, a better color temperature and brightness control effect can be realized while the cost is saved.
Preferably, the current control includes one-way current mode control or constant current mode control.
In this embodiment, among the prior art, the drive of adjustable current all the way can only realize the regulation of luminance, if need adjust luminance and colour temperature simultaneously, then need two way adjustable current's drive, different with prior art is, the utility model discloses only with the drive of adjustable current all the way, can change the colour temperature when adjusting luminance.
Preferably, the color temperature of the first color temperature light source set is lower than that of the second color temperature light source set.
Preferably, the substrate is provided with a first bonding pad and a second bonding pad, the anodes of the first color temperature light source set and the second color temperature light source set are simultaneously connected to the first bonding pad, and the cathodes of the first color temperature light source set and the second color temperature light source set are simultaneously connected to the second bonding pad.
Specific examples are:
the first color temperature light source group is 8PCS 3V led 2200K, and the second color temperature light source group is 9PCS 3V led3500K;
when the input current of the light source is 10mA:2200K color temperature lamp bead begins to light; color temperature 2200K;
when the input current of the light source is 10 mA-100 mA:2200K color temperature lamp beads become bright (lumen increase); the 3500K color temperature lamp bead starts to be on; -start of color mixing, color temperature 2210K; an increase in brightness (lumens);
when the input current of the light source is 100 mA-550 mA:2200K color temperature lamp bead changes brightness (lumen continuously increases); 3500K color temperature lamp beads become bright (lumen increase); color mixing, higher color temperature (2215K-2680K) and increased brightness (lumens).
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The adjustable color temperature light source module based on current control is characterized by comprising a substrate, a plurality of first color temperature light source groups and a plurality of second color temperature light source groups, wherein the first color temperature light source groups and the second color temperature light source groups are packaged on the substrate and are alternately connected in parallel, the color temperature and the brightness of the first color temperature light source groups and the second color temperature light source groups are controlled through current, and the total voltage of the first color temperature light source groups is smaller than that of the second color temperature light source groups.
2. The current-control-based adjustable color temperature light source module according to claim 1, wherein the first color temperature light source group comprises a plurality of first LED lamp beads connected in series in sequence, and the second color temperature light source group comprises a plurality of second LED lamp beads connected in series in sequence.
3. The current-control-based color temperature adjustable light source module according to claim 2, wherein the first LED lamp beads adopt lamp beads with the same voltage, and the second LED lamp beads adopt lamp beads with one or two voltages.
4. The current-control-based color temperature adjustable light source module according to claim 3, wherein the current control comprises a one-way current mode control or a constant current mode control.
5. The color temperature adjustable light source module based on current control as claimed in claim 4, wherein the color temperature of the first color temperature light source set is lower than the color temperature of the second color temperature light source set.
6. The current-control-based color temperature adjustable light source module according to claim 5, wherein a first bonding pad and a second bonding pad are disposed on the substrate, anodes of the first color temperature light source set and the second color temperature light source set are connected to the first bonding pad, and cathodes of the first color temperature light source set and the second color temperature light source set are connected to the second bonding pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222659586.5U CN218416731U (en) | 2022-10-10 | 2022-10-10 | Adjustable colour temperature light source module based on current control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222659586.5U CN218416731U (en) | 2022-10-10 | 2022-10-10 | Adjustable colour temperature light source module based on current control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218416731U true CN218416731U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222659586.5U Active CN218416731U (en) | 2022-10-10 | 2022-10-10 | Adjustable colour temperature light source module based on current control |
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| Country | Link |
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| CN (1) | CN218416731U (en) |
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2022
- 2022-10-10 CN CN202222659586.5U patent/CN218416731U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zhiwen Inventor after: Li Xiaoxiong Inventor after: Zhu Jianlin Inventor after: Yao Siming Inventor before: Li Xiaoxiong Inventor before: Zhu Jianlin Inventor before: Yao Siming |
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| CB03 | Change of inventor or designer information |