CN214901361U

CN214901361U - Lamp capable of adjusting light and color

Info

Publication number: CN214901361U
Application number: CN202120583719.8U
Authority: CN
Inventors: 邓江南; 尤亿斌; 魏美婷
Original assignee: Xiamen Xindeco Optoelectronics Co ltd
Current assignee: Xiamen Xindeco Optoelectronics Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-26
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a lamps and lanterns technical field. The utility model discloses a lamps and lanterns of mixing of colors of can adjusting luminance, including LED drive power supply, colour temperature adjustment controller and LED light source, LED drive power supply is the LED drive power supply of can adjusting luminance, the LED light source is colour temperature adjustable LED light source, LED drive power supply's input end connection power input, LED drive power supply's output termination colour temperature adjustment controller's input, colour temperature adjustment controller's output termination LED light source, LED drive power supply's dimming control termination dimming control signal, colour temperature adjustment controller's mixing of colors control termination mixing of colors control signal, dimming control signal and mixing of colors control signal are continuous variation voltage signal. The utility model discloses adjust luminance mixing of colors separately independent control, circuit structure is simple, easily realizes, and with low costs.

Description

Lamp capable of adjusting light and color

Technical Field

The utility model belongs to the technical field of lamps and lanterns, specifically relate to a lamps and lanterns of mixing of colors can adjust luminance.

Background

The lighting lamp provides lighting service for daily life, work and the like of people, and is widely applied to various occasions such as home, office buildings, markets, stadiums, stations, airports, tunnels and the like. The tunnel lamp is a special lamp for tunnel lighting, and aims to solve the problem that the sudden change of brightness makes vision generate a 'black hole effect' or a 'white hole effect' when a vehicle enters or leaves a tunnel. In order to save energy, also promote illuminating effect simultaneously, it has some tunnel lamps to be equipped with the function of automatic dimming mixing of colors, but the tunnel lamp that has the function of dimming mixing of colors that has now mostly controls the LED light source realization of two sets of different colour temperatures respectively through setting up two LED drive power supply and two single lamp controllers, and circuit module is more, and the structure is more complicated, and is with high costs. Some tunnel lamps with dimming and color mixing functions are realized by adopting an LED driving power supply with dimming and a color temperature controller, but dimming control signals and color mixing control signals are uniformly transmitted to the color temperature controller, the color temperature controller identifies the dimming control signals or the color mixing control signals, and if the dimming control signals are the dimming control signals, the dimming control signals or the color mixing control signals are output to the LED driving power supply for dimming; if the color temperature is adjusted by outputting the color temperature adjusting signal to the color temperature controller, although the circuit modules are reduced, the requirement on the color temperature controller is higher, a more complex circuit is needed for realization, and the cost is higher.

Disclosure of Invention

An object of the utility model is to provide a lamps and lanterns of mixing of colors of can adjusting luminance are used for solving the above-mentioned technical problem who exists.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a lamps and lanterns of mixing of colors of can adjusting luminance, including LED drive power supply, colour temperature regulation controller and LED light source, LED drive power supply is the LED drive power supply of can adjusting luminance, the LED light source is colour temperature adjustable LED light source, LED drive power supply's input end connects the power input, LED drive power supply's output termination colour temperature regulation controller's input, colour temperature regulation controller's output termination LED light source, LED drive power supply's dimming control termination dimming control signal, colour temperature regulation controller's mixing of colors control termination mixing of colors control signal, dimming control signal and mixing of colors control signal are continuous variation voltage signal.

Further, the dimming control signal is a 0-10V signal.

Further, the color adjusting control signal is a 0-10V signal.

Furthermore, the color temperature adjusting controller comprises a power conversion circuit, a control circuit and a color temperature driving circuit, wherein the input ends of the power conversion circuit and the color temperature driving circuit are connected with the output end of the LED driving power supply, the power conversion circuit supplies power to the control circuit, the output end of the color temperature driving circuit is connected with the LED light source, the input end of the control circuit is connected with the color adjusting control signal, and the output end of the control circuit is connected with the control input end of the color temperature driving circuit.

Furthermore, the color temperature adjusting controller further comprises a voltage reduction and noise elimination circuit, and the input end of the control circuit is connected with the color adjusting control signal through the voltage reduction and noise elimination circuit.

Further, the color temperature driving circuit is realized by adopting an NPN triode.

Furthermore, the power conversion circuit comprises a DC-DC circuit and a voltage stabilizing circuit, wherein the input end of the DC-DC circuit is connected with the output end of the LED driving power supply, the output end of the DC-DC circuit is connected with the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit outputs DC 5V voltage to supply power for the control circuit.

Furthermore, the control circuit is realized by adopting a singlechip.

Furthermore, the LED light source is formed by integrating two color temperatures in one light source.

The utility model has the advantages of:

the utility model discloses can realize adjusting luminance mixing of colors function, circuit module is less, simple structure, easily realizes, and is with low costs, and adjusts luminance mixing of colors separately independent control, and the requirement to colour temperature adjustment controller is low, can adopt simpler circuit to realize, further reduce cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and 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 block diagram of a circuit structure according to an embodiment of the present invention;

fig. 2 is a circuit diagram of an embodiment of the present invention.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 and 2, a light and color adjustable lamp includes an LED driving power supply 1, a color temperature adjustment controller 2, and an LED light source 3, where the LED driving power supply 1 is a light adjustable LED driving power supply, and LED driving power supplies with light adjustable functions are already widely available in the market, such as an LED driving power supply of maoshu x6-150M062, an LED driving power supply of infinit EUM-150S420DG, and the specific circuits may refer to the prior art, and thus detailed description is omitted.

The input end of the LED driving power supply 1 is connected to the power input, and the output end of the LED driving power supply 1 is connected to the input end of the color temperature adjusting controller 2.

The output end of the color temperature adjusting controller 2 is connected to the LED light source 3, and the LED light source 3 is an LED light source with adjustable color temperature, in this embodiment, the LED light source 3 is connected to the output end of the color temperature adjusting controller 2 through an interface CON 3.

The dimming control end of the LED driving power supply 1 is connected with a dimming control signal, the color temperature adjusting controller 2 is connected with a color adjusting control signal, and the dimming control signal and the color adjusting control signal are continuous variable voltage signals.

In this embodiment, the dimming control signal is a 0-10V signal, and the color modulation control signal is also a 0-10V signal, but not limited thereto, and in other embodiments, the voltage variation range of the continuously variable voltage signal may be selected according to actual needs.

In this embodiment, the control signal of adjusting luminance and mixing of colors control signal are provided by intelligent control system 4, have 0-10V control signal of adjusting luminance and 0-10V mixing of colors control signal as the intelligent control system itself of some tunnel lamps, consequently, the utility model discloses also specially adapted tunnel lamp.

In this embodiment, the color temperature adjustment controller 2 includes a power conversion circuit, a control circuit and a color temperature driving circuit, the input ends of the power conversion circuit and the color temperature driving circuit are connected to the output end of the LED driving power supply 1, the power conversion circuit supplies power to the control circuit, the output end of the color temperature driving circuit is connected to the LED light source 3, the input end of the control circuit is connected to the color adjusting control signal, and the output end of the control circuit is connected to the control input end of the color temperature driving circuit.

Further, colour temperature adjustment controller still includes the step-down circuit of making an uproar that disappears, and control circuit's input connects mixing of colors control signal through the step-down circuit of making an uproar that disappears, carries out the step-down through the step-down circuit of making an uproar that disappears to mixing of colors control signal, promotes the interference killing feature to promote mixing of colors effect.

Preferably, in this embodiment, the color temperature driving circuit is implemented by NPN triodes Q1 and Q2, and the circuit structure is simple, easy to implement, and low in cost, and the specific circuit structure is shown in fig. 2 in detail, and here, the NPN triodes Q1 and Q2 are used to control two light sources with different color temperatures in the LED light source 3, respectively. Of course, in other embodiments, the color temperature driving circuit may also be implemented by using other existing switches, such as MOS transistors, which can be easily implemented by those skilled in the art and will not be described in detail.

In this embodiment, the power conversion circuit includes a DC-DC circuit and a voltage stabilizing circuit, an input terminal of the DC-DC circuit is connected to an output terminal of the LED driving power supply 1, an output terminal of the DC-DC circuit is connected to an input terminal of the voltage stabilizing circuit, and an output terminal of the voltage stabilizing circuit outputs a DC 5V voltage to supply power to the control circuit. Specifically, in this embodiment, the DC-DC circuit is implemented by using a power management chip U1 with a model number of BP2525, the voltage regulator circuit is implemented by using a voltage regulator chip U3 with a model number of 7550, and detailed circuit connection please refer to fig. 2, which is not described in detail, but is not limited thereto.

In this specific embodiment, the control circuit is implemented by using a single chip microcomputer U2, for example, a single chip microcomputer with the model of STC15W, and has a simple structure, easy implementation and low cost, but not limited thereto, and in other embodiments, the control circuit may also be implemented by using other controllers.

In this embodiment, the voltage-reducing noise-canceling circuit is composed of resistors R1, R2, R8, R11, and capacitors C3, C7, C8, and C14, and the specific circuit connection is shown in fig. 2, but not limited thereto.

Preferably, in this embodiment, the LED light source 3 is an LED light source integrated with two color temperatures in one light source, such as an LED light source manufactured by fujian tianfeng limited and having a model number of T3S27865812N, an LED light source manufactured by jueshi tianfeng (shenzhen) limited and having a model number of S01-P30FXY0L and S01-P50YYOB, an LED light source manufactured by shenzhen tianyang limited and having a model number of GS053030H2AB, and the like.

When dimming is needed, the intelligent control system 4 outputs a 0-10V dimming control signal to the LED driving power supply 1, and the LED driving power supply 1 correspondingly controls the magnitude of output current so as to control the luminous flux of the LED light source 3 to dim; when color modulation is needed, the intelligent control system 4 outputs 0-10V color modulation control signals to the control circuit after passing through the voltage reduction and noise reduction circuit, and the control circuit is converted into corresponding PWM signals to control the NPN triodes Q1 and Q2 after AD conversion, so that the luminous fluxes of two LED light sources with different color temperatures in the LED light source 3 are controlled, and color modulation is achieved.

The utility model discloses can realize adjusting luminance mixing of colors function, circuit module is less, simple structure, easily realizes, and is with low costs, and adjusts luminance mixing of colors separately independent control, and low to the requirement of colour temperature adjustment controller, can adopt simple circuit to realize, further reduce cost.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a lamps and lanterns of mixing of colors can adjust luminance which characterized in that: the LED driving power supply is a dimmable LED driving power supply, the LED light source is a color temperature-adjustable LED light source, the input end of the LED driving power supply is connected with the power supply input, the output end of the LED driving power supply is connected with the input end of the color temperature adjusting controller, the output end of the color temperature adjusting controller is connected with the LED light source, the dimming control end of the LED driving power supply is connected with the dimming control signal, the color adjusting control end of the color temperature adjusting controller is connected with the color adjusting control signal, and the dimming control signal and the color adjusting control signal are continuously variable voltage signals.

2. Dimmable and dimmable luminaire according to claim 1, wherein: the dimming control signal is a 0-10V signal.

3. Dimmable and dimmable luminaire according to claim 1, wherein: the color mixing control signal is a 0-10V signal.

4. Dimmable and dimmable luminaire according to claim 1, wherein: the color temperature adjusting controller comprises a power supply conversion circuit, a control circuit and a color temperature driving circuit, wherein the input ends of the power supply conversion circuit and the color temperature driving circuit are connected with the output end of the LED driving power supply, the power supply conversion circuit supplies power to the control circuit, the output end of the color temperature driving circuit is connected with the LED light source, the input end of the control circuit is connected with a color adjusting control signal, and the output end of the control circuit is connected with the control input end of the color temperature driving circuit.

5. Dimmable and dimmable luminaire according to claim 4, wherein: the color temperature adjusting controller also comprises a voltage reduction and noise elimination circuit, and the input end of the control circuit is connected with the color adjusting control signal through the voltage reduction and noise elimination circuit.

6. Dimmable and dimmable luminaire according to claim 4, wherein: the color temperature driving circuit is realized by adopting an NPN triode.

7. Dimmable and dimmable luminaire according to claim 4, wherein: the power supply conversion circuit comprises a DC-DC circuit and a voltage stabilizing circuit, wherein the input end of the DC-DC circuit is connected with the output end of the LED driving power supply, the output end of the DC-DC circuit is connected with the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit outputs DC 5V voltage to supply power for the control circuit.

8. Dimmable and dimmable luminaire according to claim 4, wherein: the control circuit is realized by adopting a singlechip.

9. Dimmable and dimmable luminaire according to claim 1, wherein: the LED light source is formed by integrating two color temperatures in one light source.