CN209926284U

CN209926284U - LED lamp with variable light angle

Info

Publication number: CN209926284U
Application number: CN201920810997.5U
Authority: CN
Inventors: 王忠泉; 伍华荣; 张峰; 朱立一; 陈定坤
Original assignee: ROLEDS LIGHTING SYSTEM CO Ltd
Current assignee: Hangzhou roledith Technology Co., Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-10
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to a LED lamps and lanterns technical field discloses a LED lamps and lanterns of variable light angle, including light source board, lens, LED driver and drive controller, its characterized in that: be equipped with 2 at least groups LED lamp pearl groups on the light source board, every group LED lamp pearl group is including an at least LED lamp pearl, one side that LED lamp pearl group kept away from the light source board is equipped with lens, the light angle of lens is different on different LED lamp pearl groups, LED lamp pearl group links to each other with the LED driver, the LED driver is used for organizing the power supply for LED lamp pearl, drive controller is used for controlling the LED driver and organizes the power supply to LED lamp pearl. The optical angle of the central lens is smaller than that of the inner circle lens, and the optical angle of the inner circle lens is smaller than that of the outer circle lens. The drive controller includes a microprocessor. The LED driver is a PWM control driver. The utility model discloses can adjust light-emitting angle, the scope of adjusting luminance is big, and lens and LED lamp pearl do not have mechanical motion, and simple structure has saved original motion space, effectively reduces volume and weight, and processing is convenient, and the reliability is high.

Description

LED lamp with variable light angle

Technical Field

The utility model relates to a LED lamps and lanterns technical field has especially related to the design of a LED lamps and lanterns of variable light angle.

Background

With the continuous improvement and development of science and technology in China, various energy-saving products are widely put into the market for use, the consumption of functional resources can be saved by using the energy-saving products, and meanwhile, the use effect is better, such as: as a novel energy-saving light source, the LED is applied to various occasions related to illumination, such as car lamps, stage lamps, indoor lamps, street lamps and the like, and compared with the traditional light source, the LED light source has long service life and is electro-optical, so that the LED light source gradually replaces the traditional incandescent lamp, and not only is the energy consumption low, but also the light intensity is better, and the utilization rate is higher.

Based on different application scenarios, users have different requirements for the light-emitting angle of the LED lamp. At present, the high-power LED lamp realizes different light emitting modes by using lenses with different light emitting angles, such as lenses with light emitting angles of 60 degrees, 90 degrees, and 120 degrees. The lenses corresponding to the light-emitting angles are required to be adopted to correspondingly assemble products, various lenses are required to be manufactured, various LED lamps are required to be manufactured correspondingly, and production and management costs are increased. In order to solve the problem, patent publication No. CN208281816U discloses an LED lamp, which includes a lamp cap, a heat sink, a cover body, a light source board and a lens, which are connected in sequence, wherein the lens covers the light source board and is clamped on the cover body; the lens comprising a plurality of concentric sectors, each of the sectors comprising a first zone, a second zone and a third zone of concentric sectors, the lens includes a total internal transflective lens corresponding to the first and second regions and a planar lens superimposed on the total internal transflective lens and corresponding to the first, second, and third regions, the first zone comprising a first portion of a total internal transflector lens, the second zone comprising a second portion of a total internal transflector lens, the first part, the second part and the part of the planar lens located in the third area have different structures, so that the light emitting angles of the first area, the second area and the third area are different from each other, the light source plate is coaxially and rotatably connected with the cover body, so as to be able to rotate in parallel with respect to the lens and to align the first, second and third zones, respectively, with the LED light sources on the light source board. However, this method mainly relies on mechanical movement of the light source plate, and the hardware structure is complex, requiring more installation space, and only being able to achieve a limited number of optical angle adjustments.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the structure complicacy among the prior art, shortcoming that control range is little provides a LED lamps and lanterns of variable light angle.

The utility model provides a problem that the structure is complicated, this design passes through the work of the different LED lamp pearl of digital means control, can make up out and have multiple bright lamp scheme, cooperates different lens, reaches purpose that the light angle is adjustable. The lamp beads and the lens do not need to be mechanically moved during working, the structure is simple, and the size is reduced.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a LED lamps and lanterns of variable light angle, including the light source board, lens, LED driver and drive controller, be equipped with 2 at least groups LED lamp pearl groups on the light source board, every group LED lamp pearl group is including an at least LED lamp pearl, one side that LED lamp pearl group kept away from the light source board is equipped with lens, the light angle of lens is different on different LED lamp pearl groups, LED lamp pearl group links to each other with the LED driver, the LED driver is used for organizing the power supply for LED lamp pearl, drive controller is used for controlling the power supply of LED driver to LED lamp pearl group.

The LED driving output is controlled by the driving controller, the luminous flux output of different groups of LED lamp beads is changed, the light angle adjustment is realized, and the lens and the LED lamp beads do not move relatively.

Preferably, the drive controller comprises a microprocessor. The intelligent level is high, and the response is quick.

Preferably, the light source plate is divided into three concentric circle regions, which are a central region, an inner ring region and an outer ring region from inside to outside in sequence, the central region comprises at least one central LED lamp bead, the inner ring region comprises a plurality of annularly arranged inner ring LED lamp beads, and the outer ring region comprises a plurality of annularly arranged outer ring LED lamp beads; the lens comprises a central lens corresponding to the position of the central LED lamp bead, an inner ring lens corresponding to the position of the inner ring LED lamp bead and an outer ring lens corresponding to the position of the outer ring LED lamp bead. The three-circle structure can meet most daily adjustment requirements, the more the number of circles, the more accurate the adjustment result, but the larger the volume, and the higher the cost.

Preferably, the central lens optical angle is smaller than the inner circle lens optical angle, and the inner circle lens optical angle is smaller than the outer circle lens optical angle.

Preferably, the center lens, the inner ring lens and the outer ring lens are annular lenses.

Preferably, the LED driver comprises a first driver, a second driver and a third driver, the first driver is connected with the central LED lamp bead, the second driver is connected with the inner ring LED lamp bead, the third driver is connected with the outer ring LED lamp bead, and the first driver, the second driver and the third driver are respectively connected with the driving controller.

Preferably, the first driver, the second driver and the third driver are PWM controlled drivers.

Preferably, the mobile phone further comprises a communication module, wherein the communication module comprises one or more of a Bluetooth functional assembly, an infrared functional assembly, a wifi functional assembly, a GSM functional assembly and a CDMA functional assembly. For receiving the external dimming command.

Preferably, the device further comprises an input module, a DMX512 or RDM system is arranged in the input module, and the input module is connected with the microprocessor through an RS485 bus. The user can input the dimming command through the input module, and the input module can be a PLC or a computer.

Preferably, the central lens optical angle is 13 degrees, the inner lens optical angle is 28 degrees, and the outer lens optical angle is 51 degrees. Under the parameter, the adjustable light angle range of the lamp is 13-51 degrees.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the LED lamp has the advantages that the light-emitting angle can be adjusted, the dimming range is large, mechanical motion does not exist between the lens and the LED lamp beads, the structure is simple, the original motion space is saved, the size and the weight are effectively reduced, the processing is convenient, and the reliability is high.

Drawings

Fig. 1 is a schematic structural view of a light source board according to embodiment 1 of the present invention.

Fig. 2 is a schematic circuit diagram of embodiment 1 of the present invention.

Fig. 3 is a schematic view of a lens structure according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.

The names of the parts indicated by the numerical references in the above figures are as follows: the LED lamp comprises a light source plate 1, a lens 2, an LED lamp bead group 3, a central area 11, an inner circle area 12, an outer circle area 13, a central lens 21, an inner circle lens 22, an outer circle lens 23, a central LED lamp bead 31, an inner circle LED lamp bead 32 and an outer circle LED lamp bead 33.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 to 3, a variable light angle's LED lamps and lanterns, including light source board (1), lens (2), LED driver and drive controller, be equipped with 2 at least groups LED lamp pearl groups (3) on light source board (1), every group LED lamp pearl group (3) are including at least one LED lamp pearl, one side that light source board (1) was kept away from in LED lamp pearl group (3) is equipped with lens (2), the light angle of lens (2) is different on different LED lamp pearl groups (3), LED lamp pearl group (3) link to each other with the LED driver, the LED driver is used for providing power supply for LED lamp pearl group (3), drive controller is used for controlling the LED driver to supply power to LED lamp pearl group (3).

The drive controller includes a microprocessor.

The light source plate 1 is divided into three concentric circle regions, namely a central region 11, an inner ring region 12 and an outer ring region 13 from inside to outside, wherein the central region 11 comprises at least one central LED lamp bead 31, the inner ring region 12 comprises a plurality of annularly arranged inner ring LED lamp beads 32, and the outer ring region 13 comprises a plurality of annularly arranged outer ring LED lamp beads 33; the lens 2 comprises a central lens 21 corresponding to the position of the central LED lamp bead 31, an inner ring lens 22 corresponding to the position of the inner ring LED lamp bead 32, and an outer ring lens 23 corresponding to the position of the outer ring LED lamp bead 3.

The optical angle of the center lens 21 is smaller than that of the inner lens 22, and the optical angle of the inner lens 22 is smaller than that of the outer lens 23.

The center lens 21, the inner ring lens 22, and the outer ring lens 23 are ring lenses 2.

The LED driver comprises a first driver, a second driver and a third driver, the first driver is connected with a central LED lamp bead 31, the second driver is connected with an inner ring LED lamp bead 32, the third driver is connected with an outer ring LED lamp bead 33, and the first driver, the second driver and the third driver are respectively connected with the microprocessor.

The first driver, the second driver and the third driver are PWM control drivers.

Example 2

The light angle of a central lens 21 is 13 degrees, the light angle of an inner ring lens 22 is 28 degrees, and the light angle of an outer ring lens 23 is 51 degrees. The light angle adjustment of 13-51 degrees is realized by changing the duty ratio, for the light spot effect, only two adjacent paths of LEDs are required to be opened at most, if the light angle is to be 20 degrees, the duty ratio of the outer ring LED is 0, and the duty ratios of the central LED and the inner ring LED are adjusted to realize the light angle.

The rest is the same as example 1.

Example 3

As shown in fig. 4, a variable light angle's LED lamps and lanterns, including light source board (1), lens (2), LED driver and drive controller, be equipped with 2 at least LED lamp pearl groups (3) on light source board (1), every LED lamp pearl group (3) of group includes an at least LED lamp pearl, one side that light source board (1) was kept away from in LED lamp pearl group (3) is equipped with lens (2), the light angle of lens (2) is different on different LED lamp pearl groups (3), LED lamp pearl group (3) link to each other with the LED driver, the LED driver is used for organizing (3) power supply for LED lamp pearl, drive controller is used for controlling the LED driver to organize (3) power supply for LED lamp pearl. And realizing light angle adjustment. The drive controller includes a microprocessor.

The light source plate 1 is divided into three concentric circle regions, namely a central region 11, an inner ring region 12 and an outer ring region 13 from inside to outside, wherein the central region 11 comprises at least one central LED lamp bead 31, the inner ring region 12 comprises a plurality of annularly arranged inner ring LED lamp beads 32, and the outer ring region 13 comprises a plurality of annularly arranged outer ring LED lamp beads 33; the lens 2 comprises a central lens 21 corresponding to the position of a central LED lamp bead 31, an inner ring lens 22 corresponding to the position of an inner ring LED lamp bead 32, and an outer ring lens 23 corresponding to the position of an outer ring LED lamp bead 33.

The LED driver comprises a first driver, a second driver and a third driver, the first driver is connected with a central LED lamp bead 31, the second driver is connected with an inner ring LED lamp bead 32, the third driver is connected with an outer ring LED lamp bead 33, and the first driver, the second driver and the third driver are respectively connected with the driving controller.

The multifunctional Bluetooth wireless communication terminal further comprises a communication module, wherein the communication module comprises one or more of a Bluetooth functional assembly, an infrared functional assembly, a wifi functional assembly, a GSM functional assembly and a CDMA functional assembly. In this embodiment, a bluetooth module.

The device also comprises an input module, a DMX512 or RDM system is arranged in the input module, and the input module is connected with the microprocessor through an RS485 bus. And the RS485 driving circuit is used for dmx512/RDM protocol decoding.

The optical angle of the center lens 21 is 13 degrees, the optical angle of the inner lens 22 is 28 degrees, and the optical angle of the outer lens 23 is 51 degrees. In this embodiment, after the dmx512/RDM or the communication module inputs the light angle and the brightness signal, the microprocessor calculates the duty ratios of the center LED lamp bead 31, the inner-ring LED lamp bead 32, and the outer-ring LED lamp bead 33 by looking up the table or interpolation, and outputs the duty ratio signals to the first driver, the second driver, and the third driver, thereby realizing the light changing angle adjustment. The microprocessor is a microprocessor such as in the EFM8BB series of Silicon Labs; the microprocessor adjusts the output current of the LED driver through the PWM signal to control the luminous flux of each path of LED lamp bead group 3.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A variable light angle LED lamp comprising a light source plate (1), a lens (2), an LED driver and a drive controller, characterized in that: be equipped with 2 at least LED lamp pearl groups (3) of group on light source board (1), every LED lamp pearl group (3) of group includes an at least LED lamp pearl, one side that light source board (1) was kept away from in LED lamp pearl group (3) is equipped with lens (2), the light angle of lens (2) is different on different LED lamp pearl groups (3), LED lamp pearl group (3) link to each other with the LED driver, the LED driver is used for organizing (3) power supply for LED lamp pearl, drive controller is used for controlling the LED driver and organizes (3) power supply to LED lamp pearl.

2. The variable optical angle LED lamp of claim 1, wherein: the drive controller includes a microprocessor.

3. The variable optical angle LED lamp of claim 1, wherein: the light source plate (1) is divided into three concentric circle regions, namely a central region (11), an inner ring region (12) and an outer ring region (13) from inside to outside in sequence, wherein the central region (11) comprises at least one central LED lamp bead (31), the inner ring region (12) comprises a plurality of inner ring LED lamp beads (32) which are annularly arranged, and the outer ring region (13) comprises a plurality of outer ring LED lamp beads (33) which are annularly arranged; the lens (2) comprises a central lens (21) corresponding to the position of a central LED lamp bead (31), an inner ring lens (22) corresponding to the position of an inner ring LED lamp bead (32), and an outer ring lens (23) corresponding to the position of an outer ring LED lamp bead (33).

4. The variable optical angle LED lamp of claim 3, wherein: the optical angle of the central lens (21) is smaller than that of the inner circle lens (22), and the optical angle of the inner circle lens (22) is smaller than that of the outer circle lens (23).

5. The variable optical angle LED lamp of claim 3, wherein: the center lens (21), the inner ring lens (22) and the outer ring lens (23) are annular lenses (2).

6. The variable optical angle LED lamp of claim 3, wherein: the LED driver comprises a first driver, a second driver and a third driver, wherein the first driver is connected with a central LED lamp bead (31), the second driver is connected with an inner ring LED lamp bead (32), the third driver is connected with an outer ring LED lamp bead (33), and the first driver, the second driver and the third driver are respectively connected with the driving controller.

7. The variable optical angle LED lamp of claim 6, wherein: the first driver, the second driver and the third driver are PWM control drivers.

8. The variable optical angle LED lamp of claim 1, wherein: the multifunctional Bluetooth wireless communication terminal further comprises a communication module, wherein the communication module comprises one or more of a Bluetooth functional assembly, an infrared functional assembly, a wifi functional assembly, a GSM functional assembly and a CDMA functional assembly.

9. The variable optical angle LED lamp of claim 1, wherein: the device also comprises an input module, a DMX512 or RDM system is arranged in the input module, and the input module is connected with the microprocessor through an RS485 bus.

10. The variable optical angle LED lamp of claim 3, wherein: the optical angle of the center lens (21) is 13 degrees, the optical angle of the inner circle lens (22) is 28 degrees, and the optical angle of the outer circle lens (23) is 51 degrees.