CN212649740U

CN212649740U - Wired double-color temperature dimming and color mixing lamp

Info

Publication number: CN212649740U
Application number: CN202021187400.5U
Authority: CN
Inventors: 曹木严; 邹灵芝
Original assignee: Hl Shanghai Electronics Co ltd
Current assignee: Hl Shanghai Electronics Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-02
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a wired double-color temperature-dimming color-mixing lamp, belonging to the technical field of LED lamps; the device comprises a power supply, a lamp and a dimming device; the power supply is connected with the lamp through the dimming device; the dimming device comprises a knob controller, an LED constant current driving mechanism and a light source chip; the power supply is connected with the LED constant current driving mechanism through the knob controller, one end of the LED constant current driving mechanism is connected with the knob controller, and the other end of the LED constant current driving mechanism is connected with the light source chip. The utility model can match with the existing lamp loop, and reduce the workload of site operation; the adjustment and change of color temperature and brightness of one lamp can be realized, and the lamp cost is saved; the construction site can be adjusted at any time according to the illumination requirements of the displayed commodities, so that secondary construction is reduced. The problem of under the condition that does not change current lamps and lanterns wiring return circuit, realize that lamps and lanterns light colour temperature is adjustable and illumination intensity is adjustable, and correspond with the display goods is solved.

Description

Wired double-color temperature dimming and color mixing lamp

Technical Field

The utility model relates to a wired double-colored temperature mixing of colors lamps and lanterns that adjust luminance belongs to LED lamps and lanterns technical field.

Background

The brightness of the light refers to the illumination intensity of the light, the intensity of the light can be realized in various modes, and the prior art support and matching equipment can be easily regulated and controlled by changing the equipment in the original illumination loop system, so that the purpose of brightness adjustment is achieved. The color temperature of a lamp is represented by the temperature of a full radiator, and when the spectral composition of an actual light source is identical to or close to that of a full radiator (also called an absolute black body) at a certain temperature, the spectral composition of the actual light source is represented by the temperature of the full radiator. Modern lighting has gradually used an LED as a light-emitting source to illuminate a space, but the color temperature of the LED is fixed during packaging, so that the color temperature of the light emitted by the lamp cannot be changed any more, and the lighting effect of the light cannot effectively correspond to the actual object to be illuminated, so that the color of the commodity cannot be more vividly displayed, and related consumers cannot be attracted to purchase the commodity.

Along with the continuous richness of colors of commodities, the exhibition and display of the commodities are also continuously changed, the requirement of matching of light and the commodities is higher and higher, and in order to meet the requirement of changing of color temperature and brightness of the light, the existing solution is to continuously replace lamps with different color temperatures and powers according to the requirement of exhibition and display of the commodities, or to carry out grouping preset light control in a DALI control mode during primary design, so that the expected light effect is achieved. However, not only is the operation troublesome, but also the cost is high, the whole improvement process consumes a large amount of manpower, material resources and financial resources, and certain waste is caused in terms of resource allocation. If the existing layout circuit is modified in the later period, the change of the engineering quantity is larger, which is equivalent to the re-layout construction, and the resources are wasted and the operation is inconvenient.

In summary, the existing dimming and toning system has the following defects without changing the existing lighting circuit: 1. a dynamic dimming process cannot be embodied, and only preset related scene parameters can be displayed; 2. the lamps and lanterns can not be directly replaced and reused, wasting resources; 3. the original circuit is troublesome to be rectified; 4. the difference in the exposure between the light and the merchandise. Therefore, there is a need in the art for a lighting fixture that can achieve color temperature adjustability and illumination intensity adjustability of the lighting fixture in concert with displaying merchandise without changing the existing lamp wiring loop.

Disclosure of Invention

The utility model aims at solving the technical problem that the color temperature of lamp light can be adjusted and the illumination intensity can be adjusted under the condition that the existing lamp wiring loop is not changed, and the lamp light corresponds to the display commodity.

In order to solve the above problems, the technical solution adopted by the present invention is to provide a wired dual-color temperature dimming and color mixing lamp, which comprises a power supply, a lamp and a dimming device; the power supply is connected with the lamp through the dimming device; the dimming device comprises a knob controller, an LED constant current driving mechanism and a light source chip; the power supply is connected with the LED constant current driving mechanism through the knob controller, one end of the LED constant current driving mechanism is connected with the knob controller, and the other end of the LED constant current driving mechanism is connected with the light source chip.

Preferably, the light source chip is provided with two light sources with different color temperatures.

Preferably, the two light sources with different color temperatures provided by the light source chip respectively comprise two independent control circuits.

Preferably, the LED constant current driving mechanism is provided with two independent output ends, and the two independent output ends are respectively connected to two independent control circuits provided on the light source chip.

Preferably, the light source is provided with two light sources of different color temperatures, one being a warm light source and the other being a cold light source.

Preferably, the warm light source is set at 2700k and the other cold light source is set at 7000 k.

Preferably, the lamp is a track lamp, and the track lamp is connected with the track through a track lamp mounting bracket.

Preferably, the light source chip is arranged in the track lamp, the LED constant current driving mechanism is arranged in the track lamp mounting bracket, the power supply is connected with a track for mounting the track lamp through a knob controller, and the knob controller is connected with the light source chip through the LED constant current driving mechanism.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model can match with the existing lamp loop, and reduce the workload of site operation; the change of color temperature and brightness of one lamp can be realized, and the lamp cost is saved; the construction site can be adjusted at any time according to the illumination requirements of the displayed commodities, so that secondary construction is reduced.

Drawings

FIG. 1 is a schematic diagram of the lamp control of the present invention;

FIG. 2 is an exploded view of the structure of a track lamp of the dual color temperature dimming and color mixing lamp of the present invention;

fig. 3 is a schematic view of the overall structure of a lamp assembly of the present invention;

reference numerals: 1. a front ring; 2. a lens; 3. a chip bracket screw; 4. a chip holder; 5. a light source chip; 6. a lamp body; 7. a track lamp mounting bracket; 8. an electrical box; 10. a track head; the LED constant current driving mechanism; 12. a tail cover; 13. a knob controller; 14. a light fixture; 15. a track; 16. track lamp

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:

as shown in fig. 1-3, the present invention provides a wired two-color temperature dimming and color mixing lamp, which comprises a power supply, a lamp 14 and a dimming device; the power supply is connected with the lamp 14 through the dimming device; the dimming device comprises a knob controller 13, an LED constant current driving mechanism 11 and a light source chip 5; the power supply is connected with the LED constant current driving mechanism 11 through the knob controller 13, one end of the LED constant current driving mechanism 11 is connected with the knob controller 13, and the other end is connected with the light source chip 5. The light source chip 5 is provided with two light sources of different color temperatures. The two light sources with different color temperatures arranged on the light source chip 5 respectively comprise two independent control circuits. The LED constant current driving mechanism 11 is provided with two independent output ends, and the two independent output ends are respectively connected to two independent control circuits provided in the light source chip. The light source is provided with two light sources with different color temperatures, one is set as a warm light source, and the other is set as a cold light source. The warm light source was set at 2700k and the other cold light source was set at 7000 k. The lamp is a track lamp 16, and the track lamp 16 is connected with the track 15 through a track lamp mounting bracket 7. The light source chip is arranged in the track lamp 16, the LED constant current driving mechanism 11 is arranged in the track lamp mounting bracket 7, the power supply is connected with the track 15 for mounting the track lamp 16 through the knob controller 13, and the knob controller 13 is simultaneously connected with the light source chip through the LED constant current driving mechanism 11.

The technical scheme of the utility model be the

actuating mechanism

11 and 14 adaptations of lamps and lanterns that can adjust colour temperature and illumination intensity are provided, the utility model discloses keep original lamps and lanterns return circuit, perhaps can directly use the lamp body of original lamps and lanterns, only change the light source and the drive of the inside of lamps and lanterns, add a knob regulation and control panel, carry out the mixing of colors of adjusting luminance of lamps and lanterns on the return circuit through triggering to the knob.

The utility model discloses the principle based on is: the light emitted by the LEDs with different color temperatures is mixed into a beam of white light, and the luminous flux of the mixed white light is the sum of the luminous fluxes of the LEDs with different color temperatures. The color temperature spectral power distribution curve of the mixed white light is a new color temperature spectral power distribution curve formed by superposing and mixing the spectral power distribution curves of the LEDs with different color temperatures, so that the color temperature value of the mixed white light is determined. By changing the driving current of the LEDs with different color temperatures, the luminous fluxes of the LEDs with different color temperatures are changed, and the corresponding spectral power distribution curves of the LEDs with different color temperatures are changed, so that the spectral power distribution curves generated by the light emitting and mixing of the LEDs with different color temperatures are changed, and the dynamically adjustable mixed light is obtained.

Therefore, the technical scheme of the utility model is: two paths of output are arranged in the lamp light source, one path is warm light 2700K (namely WW-, WW +), the other path is cold light 7000K (namely CW-, CW +), and the two paths of output are independent. The actual light emitting effect of the LED chip lamp beads on the corresponding loop is changed by the driving mechanism for different driving currents of each loop, so that the color temperature and the illumination intensity of mixed light are realized, and the color temperature adjustment and the brightness adjustment of the whole lamp are realized.

As shown in fig. 1, the light source chip 5 of the lamp includes a cold color temperature light source and a warm color temperature light source, and each of the two light sources is an output end that is connected to the LED constant current driving mechanism 11 without interfering with each other. The knob controller 13 controls the current and voltage values of the two output ends of the LED constant current driving mechanism 11 by sending a dimming instruction, so that the brightness of the two light sources on the two-color temperature chip is changed, and the purpose of stepless regulation and control of color temperature is achieved. When double-click triggering control is performed again, the knob controller 13 starts the PMW dimming function to control the LED constant-current driving mechanism 11, and then dimming adjustment is performed under the condition that the color temperature is constant.

As shown in fig. 2, one kind of lamps in the two-color temperature dimming and color mixing lamp comprises a front ring 1, a lens 2, a chip support screw 3, a chip support 4, a two-color temperature light source chip 5, a lamp body 6, a track lamp mounting support 7, an electrical box 8, an LED constant current driving mechanism 11, a track head 10 and a tail cover 12; the bicolor temperature light source chip 5 is limited by the chip support 4 and then is fixed on the lamp body 6 by the chip support screw 3; the end part of the front end of the lamp body 6 is provided with a front ring 1, and a lens 2 is arranged between the front ring 1 and the chip support 4; a tail cover 12 is arranged on the tail end of the lamp body 6; the input end of the LED constant current driving mechanism 11 is in butt joint with the rail head 10, the output end of the LED constant current driving mechanism 11 is in butt joint with the bicolor temperature light source chip 5 and finally placed in the electrical box 8, and the lamp body 6 is connected to the rail 15 through the rail head 10 on the rail lamp mounting support 7.

As shown in fig. 3, 220V ac power is connected to the knob controller 13, and then the knob controller 13 transfers the 220V ac power to the LED constant current driving mechanism 11 and the rail 15; the track lamp 16 is butted with the track 15 through the track head 10 on the lamp body; the input end of the LED constant current driving mechanism 11 is in butt joint with the output end of the knob controller 13, and the output end of the LED constant current driving mechanism 11 is in butt joint with an outgoing line on the lamp 14. When the LED constant current driving mechanism is powered on, the lamp 14 and the track lamp 16 are lightened by pressing the knob controller 13, and the current value output of the LED constant current driving mechanism 11 can be changed by rotating a knob on the knob controller 13, so that the color temperature can be adjusted; when a double-click triggers the knob controller 13, and then the knob on the knob controller 13 is turned to perform PWM dimming, the lamp 14 will change brightness.

The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.

Claims

1. A wired double-color temperature dimming and color mixing lamp comprises a power supply, a lamp and a dimming device; the power supply is connected with the lamp through the dimming device; the method is characterized in that: the dimming device comprises a knob controller, an LED constant current driving mechanism and a light source chip; the power supply is connected with the LED constant current driving mechanism through the knob controller, one end of the LED constant current driving mechanism is connected with the knob controller, and the other end of the LED constant current driving mechanism is connected with the light source chip.

2. A wired two-color temperature-dimming color-mixing lamp as claimed in claim 1, wherein: the light source chip is provided with two light sources with different color temperatures.

3. A wired two-color temperature-dimming color-modulating light fixture as claimed in claim 2, wherein: the light source chip is provided with two light sources with different color temperatures, and the two light sources respectively comprise two independent control circuits.

4. A wired two-color temperature-dimming color-modulating light fixture as claimed in claim 3, wherein: the LED constant current driving mechanism is provided with two independent output ends, and the two independent output ends are respectively connected with two independent control circuits arranged on the light source chip.

5. A wired two-color temperature-dimming color-modulating light fixture as claimed in claim 4, wherein: the light source is provided with two light sources with different color temperatures, wherein one light source is set as a warm light source, and the other light source is set as a cold light source.

6. A wired two-color temperature-dimming color-changing light fixture as claimed in claim 5, wherein: the warm light source is set at 2700k and the other cold light source is set at 7000 k.

7. A wired two-color temperature-dimming color-changing light fixture as claimed in claim 6, wherein: the lamp is a track lamp, and the track lamp is connected with the track through a track lamp mounting bracket.

8. A wired two-color temperature-dimming color-modulating light fixture as claimed in claim 7, wherein: the light source chip is arranged in the track lamp, the LED constant current driving mechanism is arranged in the track lamp mounting support, the power supply is connected with a track for mounting the track lamp through a knob controller, and the knob controller is connected with the light source chip through the LED constant current driving mechanism.