CN212259391U - Light modulation device - Google Patents
Light modulation device Download PDFInfo
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- CN212259391U CN212259391U CN202021314995.6U CN202021314995U CN212259391U CN 212259391 U CN212259391 U CN 212259391U CN 202021314995 U CN202021314995 U CN 202021314995U CN 212259391 U CN212259391 U CN 212259391U
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- adjusting circuit
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Abstract
The utility model relates to a LED power supply technical field, concretely relates to dimming device, including voltage source and LED light source, still include adjusting circuit and the control unit, adjusting circuit respectively with the voltage source the LED light source with the control unit is connected, the utility model discloses simple structure, reasonable in design, it is convenient to adjust luminance, uses the utility model discloses a time, through the electrodeless regulation of the control unit to adjusting circuit to realize the electrodeless regulation of LED light source luminance, effectively avoid the stroboscopic phenomenon of LED light source luminance adjustment in-process, make the LED light source realize gentle dynamic brightness adjustment.
Description
Technical Field
The utility model relates to a LED power supply technical field especially relates to a dimming device.
Background
In daily life, various lighting devices, such as fluorescent lamps, street lamps, table lamps, art lamps and the like, are available everywhere, and with the popularization of the Light Emitting Diode (LED) technology, most of the lighting devices adopt the LED as a light emitting source, and use the LED as a light emitting source, so that the power is saved, the brightness is higher, and the use effect is better.
However, with the improvement of living standard, people need to output an LED light source with variable brightness to adapt to the brightness adjustment of the light source when the ambient brightness changes, in the prior art, the brightness adjustment of the LED light source is usually realized by adjusting the voltage transmitted to the light source switch, and in the process of adjusting the light source, the adjustment mode is equivalent to the switching alternation of the light source without stop, which causes the stroboscopic phenomenon of the LED light source, and the long-term use inevitably causes certain damage to eyes, thereby affecting the normal use of users.
In view of the above technical problems, there is a need to provide a new light adjusting device to better solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a light modulation device, its simple structure, reasonable in design, it is convenient to adjust luminance.
The utility model adopts the technical proposal that:
a dimming device comprises a voltage source, an LED light source, an adjusting circuit and a control unit, wherein the adjusting circuit is respectively connected with the voltage source, the LED light source and the control unit.
In a further improvement of the above technical solution, the adjusting circuit is a voltage adjusting circuit or a current adjusting circuit.
The technical proposal is further improved in that the control unit adopts any one of PWM signal control, voltage level control and command control.
The technical scheme is further improved in that the LED light source is an LED lamp.
The further improvement to the above technical solution is that the voltage source is connected to the mains supply.
The utility model has the advantages as follows:
the utility model discloses a voltage source and LED light source still include regulating circuit and the control unit, regulating circuit respectively with the voltage source the LED light source with the control unit is connected, the utility model discloses simple structure, reasonable in design, the convenience of adjusting luminance is using the utility model discloses a when, through the electrodeless regulation of the control unit to regulating circuit to realize the electrodeless regulation of LED light source luminance, effectively avoid the stroboscopic phenomenon of LED light source adjustting of lighteness in-process, make the LED light source realize gentle dynamic adjustting of lighteness.
Drawings
Fig. 1 is a schematic diagram of dimming in the prior art; (ii) a
Fig. 2 is a schematic diagram of dimming according to the present invention;
description of reference numerals:
in the background art: 10. a voltage source, 20 controllable switches, 30 LED light sources, 40 control signals;
the embodiment of the application: 1. voltage source, 2 adjusting circuit, 3 LED light source, 4 control unit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2, this embodiment the dimming device, including voltage source 1 and LED light source 3, still include adjusting circuit 2 and the control unit 4, adjusting circuit 2 respectively with voltage source 1 the LED light source 3 with the control unit 4 is connected, the utility model discloses simple structure, reasonable in design, it is convenient to adjust luminance, uses the utility model discloses a time, through the electrodeless regulation of control unit 4 to adjusting circuit 2 to realize the electrodeless regulation of 3 luminance of LED light source, effectively avoid the stroboscopic phenomenon of 3 luminance adjustment in-process of LED light source, make LED light source 3 realize mild dynamic brightness adjustment.
In some specific embodiments, the adjusting circuit 2 is configured as a voltage adjusting circuit or a current adjusting circuit, and in this embodiment, specifically, it is shown that the current or the voltage flowing into the LED light source 3 can be changed by controlling and adjusting the current or the voltage of the adjusting circuit 2, and the brightness adjustment of the LED light source is never realized.
In other embodiments, the control unit 4 adopts any one of PWM signal control, voltage level control and command control, and in this embodiment, three control and adjustment manners for controlling and adjusting the current or voltage of the adjusting circuit 2 are specifically shown, and other control manners may be selected according to actual use requirements.
In some specific examples, the LED light source 3 is set as an LED lamp, and in this embodiment, the electrodeless brightness adjustment control of the LED lamp is used, and the utility model discloses, the electrodeless brightness adjustment control of other LED light sources 3 can also be realized.
In some optional specific embodiments, the voltage source 1 is connected to the commercial power, and this embodiment is convenient to use by accessing the commercial power, and in other embodiments, the voltage source 1 may also be accessed to other power storage devices according to actual use requirements.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A dimming device comprises a voltage source and an LED light source, and is characterized by further comprising an adjusting circuit and a control unit, wherein the adjusting circuit is respectively connected with the voltage source, the LED light source and the control unit.
2. A dimming device as claimed in claim 1, wherein the adjustment circuit is provided as a voltage adjustment circuit or a current adjustment circuit.
3. A dimming device as claimed in claim 1, wherein the control unit adopts any one of PWM signal control, voltage level control and command control.
4. A dimming device as claimed in claim 1, wherein the LED light source is an LED lamp.
5. A dimmer arrangement as claimed in claim 1, wherein said voltage source is connected to mains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021314995.6U CN212259391U (en) | 2020-07-07 | 2020-07-07 | Light modulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021314995.6U CN212259391U (en) | 2020-07-07 | 2020-07-07 | Light modulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212259391U true CN212259391U (en) | 2020-12-29 |
Family
ID=73979495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021314995.6U Active CN212259391U (en) | 2020-07-07 | 2020-07-07 | Light modulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212259391U (en) |
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2020
- 2020-07-07 CN CN202021314995.6U patent/CN212259391U/en active Active
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