CN210469801U

CN210469801U - Non-power-off mode control multistage color temperature conversion device

Info

Publication number: CN210469801U
Application number: CN201921531448.0U
Authority: CN
Inventors: 管小兵; 陈甫城
Original assignee: Shenzhen Qihang Electric Technology Co ltd
Current assignee: Shenzhen Qihang Electric Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-05
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a non-switching mode control multistage color temperature conversion device, which comprises an alternating current power supply, a rectification module, a control module, a demodulation module connected between the control module and the rectification module, an LED color temperature module electrically connected with the control module, and a DC-DC conversion module between the LED color temperature module and the rectification module; a dimmer is connected between the rectifying module and the alternating current power supply; the demodulation module monitors a color temperature adjusting coded signal sent by the dimmer, so that the control module adjusts the color temperature of the LED color temperature module. The utility model discloses have the non-and cut the colour temperature that the electric mode carries out multistage transform LED. The use of the intelligent light modulator can realize direct control of color temperature gears without circulation, and the conversion control time of different color temperatures is shorter.

Description

Non-power-off mode control multistage color temperature conversion device

Technical Field

The utility model relates to a LED technical field that adjusts luminance, the more specifically multistage colour temperature conversion equipment of non-cutting electricity mode control that says so.

Background

The traditional LED color temperature changing mode has to be powered on and off for more than two times, so that the effect of circularly adjusting the color temperature is achieved. In the color temperature changing process, light can be extinguished, the operation is complex, the color temperature conversion control time is long, and the use effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a multistage colour temperature conversion equipment of non-cutting electricity mode control.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a non-switching mode control multistage color temperature conversion device comprises an alternating current power supply, a rectification module, a control module, a demodulation module connected between the control module and the rectification module, an LED color temperature module electrically connected with the control module, and a DC-DC conversion module between the LED color temperature module and the rectification module; a dimmer is connected between the rectification module and the alternating current power supply and is arranged at a fire wire end of the alternating current power supply; the light modulator is a single-fire light modulator; the demodulation module monitors a color temperature adjusting coded signal sent by the dimmer, so that the control module adjusts the color temperature of the LED color temperature module.

The further technical scheme is as follows: the dimmer comprises an MCU, a half-bridge power driving module connected with an alternating current power supply, a zero-crossing detection module connected between the MCU and the half-bridge power driving module, and a front driving module and a modulation module connected between the MCU and the half-bridge power driving module; and when the zero-crossing detection module detects that the alternating current power supply is in a zero-crossing state, the MCU sends out a color temperature adjusting coding signal.

The further technical scheme is as follows: the MCU is provided with an operation key for triggering the MCU to send out a color temperature adjusting coding signal.

The further technical scheme is as follows: the half-bridge power driving module is connected with a power module which is arranged and used for supplying power to the MCU; and the power supply module supplies power to the front driving module.

The further technical scheme is as follows: the dimmer is arranged at a live wire end of the alternating current power supply.

The further technical scheme is as follows: and a color temperature driving module is arranged between the LED color temperature module and the control module.

The further technical scheme is as follows: the LED color temperature module comprises an LED cold color temperature module and an LED hot color temperature module; the LED cold color temperature module and the LED hot color temperature module are both connected with the color temperature driving module; and the LED cold color temperature module and the LED hot color temperature module are both connected with the DC-DC conversion module.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses have the non-and cut the colour temperature that the electric mode carries out multistage transform LED. The use of the intelligent light modulator can realize direct control of the color temperature gear without circulation. The conversion control time of different color temperatures is short.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is an overall circuit block diagram of a non-power-off control multi-stage color temperature conversion device according to the present invention;

fig. 2 is a block diagram of a circuit of a dimmer for controlling a multi-stage color temperature conversion device in a non-power-off manner according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 invention. In this specification, the schematic representations of the terms used above should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Drawings 1 to 2 are the utility model discloses a drawing.

The present embodiment provides a non-switching mode control multi-stage color temperature conversion device, please refer to fig. 1 and 2, which includes an ac power supply 10, a rectification module 11, a control module 12, a demodulation module 13 connected between the control module 12 and the rectification module 11, an LED color temperature module 14 electrically connected to the control module 12, and a DC-DC conversion module 15 between the LED color temperature module 14 and the rectification module 11. A dimmer 16 is connected between the rectifying module 11 and the ac power supply 10, and the dimmer 16 is disposed at a live line end of the ac power supply 10. The demodulation module 13 monitors the color temperature adjustment coded signal emitted by the dimmer 16 to enable the control module 12 to adjust the color temperature of the LED color temperature module 14. Specifically, the input end of the dimmer 16 is connected to the live wire of the ac power supply 10, and the output end is connected to the rectifier module 11, and the dimmer 16 is in a non-power-off mode controlled by a single live wire. Dimmer 16 is a one-fire dimmer.

The dimmer 16 includes an MCU17, a half-bridge power driving module 18 connected to the ac power source 10, a zero-crossing detection module 19 connected between the MCU17 and the half-bridge power driving module 18, and a front driving module 20 and a modulation module 21 connected between the MCU17 and the half-bridge power driving module 18. When the zero-crossing detection module 19 detects that the alternating current power supply 10 is in a zero-crossing state, the MCU17 sends out a color temperature adjusting coding signal. In the specific non-cut-off color temperature control, the modulation performed by the modulation module 21 on the color-temperature-adjustment coded signal is synchronized with the demodulation performed by the demodulation module 13 on the color-temperature-adjustment coded signal. The dimmer 16 is controlled by the MCU17 of the dimmer, the half-bridge power driving module 18 and other modules, the control mode is more intelligent, the dimmer can be an intelligent dimmer, and more specifically, the intelligent single-fire dimmer.

The MCU17 is provided with an operation key 22 for triggering the MCU17 to emit a color temperature adjustment coding signal.

The half-bridge power driving module 18 is connected with a power supply module 23 which is arranged and used for supplying power to the MCU 17; and, the power module 23 supplies power to the front driving module 20.

The dimmer 16 is provided at the live line end of the ac power supply 10.

A color temperature driving module 24 is arranged between the LED color temperature module 14 and the control module 12.

The LED color temperature module 14 includes an LED cold color temperature module 141 and an LED hot color temperature module 142. The LED cold color temperature module 141 and the LED hot color temperature module 142 are both connected to the color temperature driving module 24. The LED cold color temperature module 141 and the LED hot color temperature module 142 are both connected to the DC-DC conversion module 15.

Compared with the prior art, the utility model discloses have the non-and cut the colour temperature that the electric mode carried out multistage transform LED. The use of the intelligent light modulator can realize direct control of the color temperature gear without circulation. The conversion control time of different color temperatures is short.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A non-switching mode control multistage color temperature conversion device is characterized by comprising an alternating current power supply, a rectification module, a control module, a demodulation module connected between the control module and the rectification module, an LED color temperature module electrically connected with the control module, and a DC-DC conversion module between the LED color temperature module and the rectification module; a dimmer is connected between the rectification module and the alternating current power supply and is arranged at a fire wire end of the alternating current power supply; the light modulator is a single-fire light modulator; the demodulation module monitors a color temperature adjusting coded signal sent by the dimmer, so that the control module adjusts the color temperature of the LED color temperature module.

2. The device according to claim 1, wherein the dimmer comprises an MCU, a half-bridge power driving module connected to the ac power source, a zero crossing detection module connected between the MCU and the half-bridge power driving module, a front driving module and a modulation module connected between the MCU and the half-bridge power driving module; and when the zero-crossing detection module detects that the alternating current power supply is in a zero-crossing state, the MCU sends out a color temperature adjusting coding signal.

3. The device according to claim 2, wherein the MCU is provided with an operation key for triggering the MCU to send out a color temperature adjustment coding signal.

4. The device according to claim 3, wherein the half-bridge power driving module is connected to a power module for supplying power to the MCU; and the power supply module supplies power to the front driving module.

5. The device according to claim 4, wherein the dimmer is disposed at a line terminal of an AC power source.

6. The device of claim 5, wherein a color temperature driving module is disposed between the LED color temperature module and the control module.

7. The device of claim 6, wherein the LED color temperature module comprises an LED cold color temperature module and an LED hot color temperature module; the LED cold color temperature module and the LED hot color temperature module are both connected with the color temperature driving module; and the LED cold color temperature module and the LED hot color temperature module are both connected with the DC-DC conversion module.