CN216491132U - Lamp capable of accurately adjusting light and color temperature - Google Patents
Lamp capable of accurately adjusting light and color temperature Download PDFInfo
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- CN216491132U CN216491132U CN202122917933.5U CN202122917933U CN216491132U CN 216491132 U CN216491132 U CN 216491132U CN 202122917933 U CN202122917933 U CN 202122917933U CN 216491132 U CN216491132 U CN 216491132U
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Abstract
The utility model discloses a lamp for accurately adjusting light and color temperature.A temperature and color adjusting signal generating module is respectively and electrically connected with a cold light module and a warm light module through a multiplexing module; the temperature and color adjusting signal generating module comprises a brightness output end and a color temperature output end; the multiplexing module comprises a brightness input end, a color temperature selection end, a cold light output end and a warm light output end, wherein the brightness input end is electrically connected with the brightness output end, the color temperature selection end is electrically connected with the color temperature output end, and the color temperature selection end is used for selecting whether to communicate the brightness input end with the cold light output end or communicate the brightness input end with the warm light output end according to the level of a color temperature selection level output by the color temperature output end; the cold light output end is electrically connected with the cold light module, the warm light output end is electrically connected with the warm light module, the cold light module is used for generating cold light, and the warm light module is used for generating warm light. The utility model solves the problem that the brightness of the cold light lamp and the brightness of the warm light lamp are difficult to be ensured to be consistent by the existing lamp.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a lamp capable of accurately adjusting light and color temperature.
Background
With the popularization of intelligent lighting, the requirements of user terminals on color temperature adjustment are increasing. According to the existing method, a plurality of paths of signals are needed to be used for controlling the cold light lamp circuit and the warm light lamp circuit respectively, and the cold light lamp circuit and the warm light lamp circuit are respectively connected into brightness adjustment and color temperature adjustment signals to realize adjustment of color temperature. As shown in fig. 1, in order to reduce the brightness difference when the user switches the color temperature, the brightness generated by the cold light lamp and the brightness generated by the warm light lamp need to be consistent, and it is necessary to ensure that the brightness input signals of the cold light lamp circuit and the brightness input signals of the warm light lamp circuit are consistent, but in the actual adjustment, it is difficult to ensure that the two brightness input signals are consistent due to high precision requirement.
SUMMERY OF THE UTILITY MODEL
In view of the above drawbacks, the present invention provides a lamp capable of accurately adjusting light and color temperature, which solves the problem that it is difficult for the existing lamp to ensure that the two luminances of the cold light lamp and the warm light lamp are consistent.
In order to achieve the purpose, the utility model adopts the following technical scheme: a lamp capable of accurately adjusting light and color temperature comprises a temperature and color adjusting signal generating module, a cold light module, a warm light module and a multiplexing module, wherein the temperature and color adjusting signal generating module is respectively and electrically connected with the cold light module and the warm light module through the multiplexing module;
the temperature and color adjusting signal generating module comprises a brightness output end and a color temperature output end, wherein the brightness output end is used for outputting brightness adjusting current, and the color temperature output end is used for outputting a color temperature selection level;
the multiplexing module comprises a brightness input end A, a color temperature selection end Select, a cold light output end Bo and a warm light output end Bi, wherein the brightness input end A is electrically connected with the brightness output end, the color temperature selection end Select is electrically connected with the color temperature output end, and the color temperature selection end Select is used for selecting to communicate the brightness input end A with the cold light output end Bo or communicate the brightness input end A with the warm light output end Bi according to the level of a color temperature selection level output by the color temperature output end;
the cold light output end Bo is electrically connected with the cold light module, the warm light output end Bi is electrically connected with the warm light module, the cold light module is used for generating cold light, and the warm light module is used for generating warm light.
It should be noted that the multiplexing module further includes a bidirectional switch, an input end of the bidirectional switch is electrically connected to the brightness input end a, a first output end of the bidirectional switch is electrically connected to the cold light output end Bo, and a second output end of the bidirectional switch is electrically connected to the warm light output end Bi;
the color temperature selection terminal is electrically connected with the bidirectional switch, and the color temperature selection terminal is used for selectively communicating the input end and the first output end of the bidirectional switch or the input end and the second output end of the bidirectional switch according to the level of the color temperature selection level output by the color temperature output end.
Optionally, the multiplexing module further includes a time difference unit, the time difference unit is electrically connected to the bidirectional switch, and the time difference unit is configured to enable the input end of the bidirectional switch to be communicated with the second output end after the input end of the bidirectional switch is disconnected from the first output end for N seconds, or enable the input end of the bidirectional switch to be communicated with the first output end after the input end of the bidirectional switch is disconnected from the second output end for N seconds.
Specifically, the cold light module comprises a cold light driving unit and a plurality of cold light LED lamp beads, the input end of the cold light driving unit is electrically connected with the cold light output end Bo, and the plurality of cold light LED lamp beads are electrically connected with the output end of the cold light driving unit after being connected in series.
Preferably, warm light module is including warming light drive unit and a plurality of warm light LED lamp pearl, warm light drive unit's input with warm light output Bi electricity is connected, and is a plurality of warm light LED lamp pearl establish ties after with warm light drive unit's output electricity is connected.
It is worth mentioning that the multiplexing module is an alternative multiplexer.
Optionally, the multiplexing module further includes a power supply access end Vs and a ground terminal GUN, where the power supply access end Vs is electrically connected to the driving power supply, and the ground terminal GUN is grounded.
One of the above technical solutions has the following beneficial effects: in the lamp for accurately adjusting light and color temperature, the light and color adjusting signal generating module only needs to generate a brightness adjusting current, the brightness adjusting current is input into the multiplexing module through the brightness output end, then the color temperature selection level generated by the light and color adjusting signal generating module is input into the excellent temperature selection end Select of the multiplexing module through the color temperature output end, the cold light output end Bo or the warm light output end Bi of the multiplexing module is conducted according to the color temperature selection level, so that the brightness adjusting current is utilized to supply power to the cold light module corresponding to the cold light output end Bo or supply power to the warm light module corresponding to the warm light output end Bi, when the cold light module is powered on, cold light is generated, when the warm light module is powered on, warm light is generated, and because the current of the power supply for supplying power to the cold light module and the current of the power supply for supplying power to the warm light module are the same brightness adjusting current, therefore, the electric signals input into the cold light module and the warm light module can be ensured to be consistent without adjustment, so that the brightness difference of a user when switching the color temperature is avoided.
Drawings
FIG. 1 is a circuit diagram of a prior art light-modulating color temperature modulating lamp;
FIG. 2 is a circuit diagram of a dimming and color temperature adjustable lamp according to one embodiment of the present invention;
wherein: 1, a temperature and color adjusting signal generating module; 2, a cold light module; 3, a warm light module; 4 multiplexing module.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
With reference to fig. 2, a lamp for accurately adjusting light and color temperature according to an embodiment of the present invention is described below, including a temperature and color adjusting signal generating module 1, a cold light module 2, a warm light module 3, and a multiplexing module 4, where the temperature and color adjusting signal generating module 1 is electrically connected to the cold light module 2 and the warm light module 3 through the multiplexing module 4, respectively;
the temperature and color adjusting signal generating module 1 comprises a brightness output end and a color temperature output end, wherein the brightness output end is used for outputting brightness adjusting current, and the color temperature output end is used for outputting color temperature selection level;
the multiplexing module 4 comprises a brightness input end A, a color temperature selection end Select, a cold light output end Bo and a warm light output end Bi, wherein the brightness input end A is electrically connected with the brightness output end, the color temperature selection end Select is electrically connected with the color temperature output end, and the color temperature selection end Select is used for selecting to communicate the brightness input end A with the cold light output end Bo or communicate the brightness input end A with the warm light output end Bi according to the level of a color temperature selection level output by the color temperature output end; in one embodiment, when the color temperature selection level received by the color temperature selection terminal Select is a high level, the luminance input terminal a and the warm light output terminal Bi are connected, and when the color temperature selection level received by the color temperature selection terminal Select is a low level, the luminance input terminal a and the cool light output terminal Bo are connected. In another embodiment, when the color temperature selection level received by the color temperature selection terminal Select is a high level, the luminance input terminal a and the cool light output terminal Bo are connected, and when the color temperature selection level received by the color temperature selection terminal Select is a low level, the luminance input terminal a and the warm light output terminal Bi are connected. Therefore, only two ports of the multiplexing module 4 are needed, hardware resources are saved, a peripheral circuit is simple, and the two ports of the multiplexing module 4 are independent of each other, so that different frequency control of color temperature and brightness can be easily realized. Specifically, the luminance of the cool light module 2 or the luminance of the warm light module 3 can be adjusted by adjusting the magnitude of the luminance adjustment current. The cold light output end Bo is electrically connected with the cold light module 2, the warm light output end Bi is electrically connected with the warm light module 3, the cold light module 2 is used for generating cold light, and the warm light module 3 is used for generating warm light.
In the lamps and lanterns of colour temperature are transferred to accurate accent light, accent light mixing signal generation module 1 only need generate a brightness control electric current, via the brightness output end is inputed in multiplexing module 4, then utilize the colour temperature that accent light mixing signal generation module 1 generated selects the level via the colour temperature output end is inputed multiplexing module 4's outstanding temperature selection end Select, according to the height of colour temperature selection level selects to switch on multiplexing module 4's cold light output end Bo or warm light output end Bi, thereby utilize the brightness control electric current does cold light module 2 power supply that cold light output end Bo corresponds or do warm light module 3 power supply that warm light output end Bi corresponds, work as 2 produce the cold light after getting electricity of cold light module, work as warm light module 3 produces warm light after getting electricity, because do the power of 2 power supplies with for the electric current of the power of warm light module 3 power supply is same brightness control electricity Flow, it is thus possible to ensure that the electrical signals input to the cold light module 2 and the warm light module 3 are identical without adjustment, thereby avoiding brightness differences when the user switches color temperatures.
In some embodiments, the multiplexing module 4 further includes a bidirectional switch, an input terminal of the bidirectional switch is electrically connected to the brightness input terminal a, a first output terminal of the bidirectional switch is electrically connected to the cool light output terminal Bo, and a second output terminal of the bidirectional switch is electrically connected to the warm light output terminal Bi; in this way, when the bidirectional switch is connected with the input end and the first output end, the brightness input end A can be communicated with the cold light output end Bo, so that the brightness output end is communicated with the cold light output end Bo; when the bidirectional switch is connected with the input end and the second output end, the brightness input end A can be communicated with the warm light output end Bi, so that the brightness output end is communicated with the warm light output end Bi. The color temperature selection terminal is electrically connected with the bidirectional switch, and the color temperature selection terminal is used for selectively communicating the input end and the first output end of the bidirectional switch or the input end and the second output end of the bidirectional switch according to the level of the color temperature selection level output by the color temperature output end. Through with colour temperature Select end Select with the control end electric connection of two way switch, so, after colour temperature Select end Select received the colour temperature selection level of high level or the colour temperature selection level of low level, just can control input and first output intercommunication, perhaps control input and second output intercommunication, thus do cold light module 2 supplies power or for warm light module 3 supplies power.
It should be noted that the multiplexing module 4 further includes a time difference unit, the time difference unit is electrically connected to the bidirectional switch, and the time difference unit is configured to connect the input end of the bidirectional switch to the second output end after the input end of the bidirectional switch is disconnected from the first output end for N seconds, or connect the input end of the bidirectional switch to the first output end after the input end of the bidirectional switch is disconnected from the second output end for N seconds. The N seconds are set according to the system clock of the multiplexing module 4, so that the two paths can be ensured not to work at full power simultaneously, and the lamp can be ensured not to run at over power.
Optionally, the cold light module 2 includes a cold light driving unit and a plurality of cold light LED beads, an input end of the cold light driving unit is electrically connected to the cold light output end Bo, and the plurality of cold light LED beads are electrically connected to an output end of the cold light driving unit after being connected in series. And the cold light driving unit receives the brightness adjusting current and can drive and adjust the brightness of the cold light LED lamp bead according to the brightness adjusting current. The plurality of cold light LED lamp beads are connected in series, so that the coverage area of light can be increased, and a user can select the length of the cold light LED lamp beads which are connected in series according to needs.
Specifically, warm optical module 3 is including warm light drive unit and a plurality of warm light LED lamp pearl, warm light drive unit's input with warm light output Bi electricity is connected, and is a plurality of warm light LED lamp pearl establish ties after with warm light drive unit's output electricity is connected. And the cold light driving unit receives the brightness adjusting current and can drive and adjust the brightness of the cold light LED lamp bead according to the brightness adjusting current. The plurality of cold light LED lamp beads are connected in series, so that the coverage area of light can be increased, and a user can select the length of the cold light LED lamp beads which are connected in series according to needs.
Preferably, the multiplexing module 4 is an alternative multiplexer. The two-select multiplexer is used for switching on one path of output when the input end of the selection channel has signal input, and switching on the other path of output when the input end of the selection channel has no signal input. The model is 74LVC1G3157GW or SN74LVC1G 3157.
In some embodiments, the multiplexing module 4 further includes a power source receiving terminal Vs electrically connected to the driving power source and a ground terminal GUN, and the ground terminal GUN is grounded. In this way, the multiplexing module 4 is provided with a working voltage so that it can work normally.
Other configurations and operations of a lamp for accurately adjusting color temperature according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a lamps and lanterns of colour temperature are transferred to accurate accent light, includes that the accent temperature mixes the tone signal generation module, cold light module and warm light module, its characterized in that: the temperature and color adjusting signal generating module is electrically connected with the cold light module and the warm light module respectively through the multiplexing module;
the temperature and color adjusting signal generating module comprises a brightness output end and a color temperature output end, wherein the brightness output end is used for outputting brightness adjusting current, and the color temperature output end is used for outputting a color temperature selection level;
the multiplexing module comprises a brightness input end A, a color temperature selection end Select, a cold light output end Bo and a warm light output end Bi, wherein the brightness input end A is electrically connected with the brightness output end, the color temperature selection end Select is electrically connected with the color temperature output end, and the color temperature selection end Select is used for selecting to communicate the brightness input end A with the cold light output end Bo or communicate the brightness input end A with the warm light output end Bi according to the level of a color temperature selection level output by the color temperature output end;
the cold light output end Bo is electrically connected with the cold light module, the warm light output end Bi is electrically connected with the warm light module, the cold light module is used for generating cold light, and the warm light module is used for generating warm light.
2. The lamp of claim 1, wherein the lamp further comprises a color temperature control circuit, wherein the color temperature control circuit comprises: the multiplexing module further comprises a bidirectional switch, wherein the input end of the bidirectional switch is electrically connected with the brightness input end A, the first output end of the bidirectional switch is electrically connected with the cold light output end Bo, and the second output end of the bidirectional switch is electrically connected with the warm light output end Bi;
the color temperature selection terminal is electrically connected with the bidirectional switch, and the color temperature selection terminal is used for selectively communicating the input end and the first output end of the bidirectional switch or the input end and the second output end of the bidirectional switch according to the level of the color temperature selection level output by the color temperature output end.
3. A lamp with precise color temperature modulation for light modulation as claimed in claim 2, wherein: the multiplexing module further comprises a time difference unit, the time difference unit is electrically connected with the two-way switch, and the time difference unit is used for enabling the input end of the two-way switch to be communicated with the second output end after the input end of the two-way switch is disconnected with the first output end for N seconds, or enabling the input end of the two-way switch to be communicated with the first output end after the input end of the two-way switch is disconnected with the second output end for N seconds.
4. The lamp of claim 1, wherein the lamp further comprises a color temperature control circuit, wherein the color temperature control circuit comprises: the cold light module comprises a cold light driving unit and a plurality of cold light LED lamp beads, the input end of the cold light driving unit is electrically connected with the cold light output end Bo, and the plurality of cold light LED lamp beads are electrically connected with the output end of the cold light driving unit after being connected in series.
5. The lamp of claim 1, wherein the lamp further comprises a color temperature control circuit, wherein the color temperature control circuit comprises: warm optical module is including warm light drive unit and a plurality of warm light LED lamp pearl, warm light drive unit's input with warm light output Bi electricity is connected, and is a plurality of warm light LED lamp pearl establish ties after with warm light drive unit's output electricity is connected.
6. The lamp of claim 1, wherein the lamp further comprises a color temperature control circuit, wherein the color temperature control circuit comprises: the multiplexing module is an alternative multiplexer.
7. The lamp of claim 1, wherein the lamp further comprises a color temperature control circuit, wherein the color temperature control circuit comprises: the multiplexing module further comprises a power supply access end Vs and a grounding end GUN, wherein the power supply access end Vs is electrically connected with the driving power supply, and the grounding end GUN is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122917933.5U CN216491132U (en) | 2021-11-25 | 2021-11-25 | Lamp capable of accurately adjusting light and color temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122917933.5U CN216491132U (en) | 2021-11-25 | 2021-11-25 | Lamp capable of accurately adjusting light and color temperature |
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| Publication Number | Publication Date |
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| CN216491132U true CN216491132U (en) | 2022-05-10 |
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| CN202122917933.5U Active CN216491132U (en) | 2021-11-25 | 2021-11-25 | Lamp capable of accurately adjusting light and color temperature |
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- 2021-11-25 CN CN202122917933.5U patent/CN216491132U/en active Active
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