Dimmable and color temperature-adjustable LED lamp

• US 9,622,314 B1
• Filed: 04/22/2016
• Issued: 04/11/2017
• Est. Priority Date: 03/18/2016
• Status: Active Grant

• Current Assignee: DongGuan City General Success Industrial Co., Ltd.
• Original Assignee: DongGuan City General Success Industrial Co., Ltd.
• Inventors: Li, Ming
• Primary Examiner(s): Pham, Thai
• Assistant Examiner(s): Alaeddini, Borna
• Application Number:
  US15/136,740
• Time in Patent Office: 354 Days
• Field of Search: 315246, 315247, 315291, 315294, 315307, 315308, 362145, 362147, 362404, 362227, 362240, 362317, 362362
• CPC Class Codes: F21S 8/04 intended only for mounting on a ceiling or the like overhead structures F21S8/02 takes precedence; details of ceiling bases F21V21/03
• CPC Class Codes: F21V 1/143 The cover being attached to a supporting lampshade frame
• CPC Class Codes: F21V 23/008 the casing being outside the housing of the lighting device
• CPC Class Codes: F21V 23/009 the casing being inside the housing of the lighting device
• CPC Class Codes: F21V 23/0435 activated by remote control means
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 29/83 the elements having apertures, ducts or channels, e.g. heat radiation holes
• CPC Class Codes: F21Y 2101/00 Point-like light sources
• CPC Class Codes: F21Y 2103/33 annular
• CPC Class Codes: F21Y 2105/18 annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
• CPC Class Codes: F21Y 2113/17 forming a single encapsulated light source
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 47/19 via wireless transmission

Abstract

The invention provides dimmable and color temperature-adjustable LED lamps in the LED illumination field, comprising: a ceiling disk; an LED light source assembly on the disk, comprising an LED board with double-color temperature lamp beads and a driver providing low-voltage power for the board; and a lampshade, wherein the driver comprises: a drive housing; and a driving circuit board comprising an input power line, a high-voltage input module, a wireless control module, a dimming module, a color temperature-adjusting module, a voltage-transformation module, a low-voltage output module and an output power line. The driver with dimming and color temperature-adjusting modules can select color temperature conversion and adjust light source brightness of each color temperature section. LED lamp beads with two different color temperatures are simultaneously distributed on the same board for the consumer to adjust and convert different color temperature functions, enriching flexible selection requirement for LED lamp functions.

Claims

1. A dimmable and color temperature-adjustable LED lamp, comprising a ceiling disk, an LED light source assembly arranged on the ceiling disk and a lampshade arranged under the LED light source assembly, the LED light source assembly consisting of an LED board and a driver providing low-voltage power for the LED board, characterized in that:

the LED board is provided with double-color temperature LED lamp beads;

the driver comprises a drive housing and a driving circuit board arranged inside the drive housing;

the driving circuit board comprises an input power line, a high-voltage input module, a wireless control module, a dimming module, a color-temperature adjusting module, a voltage transformation module, a low-voltage output module and an output power line;

the LED lamp further comprises an independent wireless remote control device;

the wireless control module is used for performing wireless paired control together with the wireless remote control device;

the high-voltage input module is respectively connected with the input power line and the wireless control module;

the wireless control module is respectively connected with the dimming module and the color temperature-adjusting module;

the wireless control module is used respectively for controlling the illumination brightness and color temperature change of the double-color temperature LED lamp beads;

the voltage transformation module is respectively connected with the wireless control module and the low-voltage output module;

the output power line is connected to the low-voltage output module;

high-voltage power is input to the high-voltage input module via the input power line;

the input voltage is regulated via the wireless control module;

the high-voltage power is converted into safe low-voltage power via the voltage transformation module; and

then the safe low-voltage power is output via the low-voltage output module and finally transmitted to the LED board via the output power line.

2. The dimmable and color temperature-adjustable LED lamp according to claim 1, characterized in that:

the dimming module consists of a silicon-controlled dimming circuit or a resistive dimming circuit or a PWM chip dimming circuit.

3. The dimmable and color temperature-adjustable LED lamp according to claim 2, characterized in that:

the end of the output power line of the driver is provided with a male connector, and the LED board is provided with a female connector matching with the male connector.

4. The dimmable and color temperature-adjustable LED lamp according to claim 3, characterized in that:

the central section of the bottom of the ceiling disk is a plane protruding downward;

the LED board and the driver are arranged on the bottom surface of the protruded plane;

the LED board consists of more than two arc LED light bars;

the double-color temperature LED lamp beads are uniformly arranged on the bottom surface of each LED light bar;

the LED light bars form a circular ring; and

the driver is located at the center of the circular LED light bars.

5. The dimmable and color temperature-adjustable LED lamp according to claim 4, characterized in that:

the edge of the protruded plane is provided with a counter bore for mounting the lampshade;

the lampshade is an arc disk structure that is opened upward; and

the opening of the lampshade is chucked in the counter bore in a matching manner.

6. The dimmable and color temperature-adjustable LED lamp according to claim 3, characterized in that:

the central section of the top of the ceiling disk protrudes upward to form a holding chamber that is opened downward;

a mounting pillar extending downward vertically is arranged in the middle of the top of the holding chamber;

the edge of the lower end of the ceiling disk expands outward to form a cover body integrated with the ceiling disk;

the driver is penetrated by the mounting pillar and is fixed in the holding chamber;

the LED board is a circular disk structure;

the double-color temperature LED lamp beads are uniformly arranged on the bottom surface of the LED board;

the LED board is penetrated by the mounting pillar and is fixed under the driver; and

the LED board is located in the opening of the holding chamber.

7. The dimmable and color temperature-adjustable LED lamp according to claim 2, characterized in that:

the central section of the bottom of the ceiling disk is a plane protruding downward;

the LED board and the driver are arranged on the bottom surface of the protruded plane;

the LED board consists of more than two arc LED light bars;

the double-color temperature LED lamp beads are uniformly arranged on the bottom surface of each LED light bar;

the LED light bars form a circular ring; and

the driver is located at the center of the circular LED light bars.

8. The dimmable and color temperature-adjustable LED lamp according to claim 7, characterized in that:

the edge of the protruded plane is provided with a counter bore for mounting the lampshade;

the lampshade is an arc disk structure that is opened upward; and

the opening of the lampshade is chucked in the counter bore in a matching manner.

9. The dimmable and color temperature-adjustable LED lamp according to claim 2, characterized in that:

the central section of the top of the ceiling disk protrudes upward to form a holding chamber that is opened downward;

a mounting pillar extending downward vertically is arranged in the middle of the top of the holding chamber;

the edge of the lower end of the ceiling disk expands outward to form a cover body integrated with the ceiling disk;

the driver is penetrated by the mounting pillar and is fixed in the holding chamber;

the LED board is a circular disk structure;

the double-color temperature LED lamp beads are uniformly arranged on the bottom surface of the LED board;

the LED board is penetrated by the mounting pillar and is fixed under the driver; and

the LED board is located in the opening of the holding chamber.

10. The dimmable and color temperature-adjustable LED lamp according to claim 9, characterized in that:

the edge of the top of the holding chamber is provided with several air convection holes; and

a heat sink panel penetrated by the mounting pillar is further arranged between the driver and the LED board.

11. The dimmable and color temperature-adjustable LED lamp according to claim 10, characterized in that:

the lampshade consists of a transparent circular light barrier; and

the light barrier is penetrated by the mounting pillar and is fixed via a fixed part.

12. The dimmable and color temperature-adjustable LED lamp according to claim 11, characterized in that:

the bottom end of the mounting pillar is provided with a cylindrical bottom cap.

13. The dimmable and color temperature-adjustable LED lamp according to claim 1, characterized in that:

the central section of the bottom of the ceiling disk is a plane protruding downward;

the LED board and the driver are arranged on the bottom surface of the protruded plane;

the LED board consists of more than two arc LED light bars;

the double-color temperature LED lamp beads are uniformly arranged on the bottom surface of each LED light bar;

the LED light bars form a circular ring; and

the driver is located at the center of the circular LED light bars.

14. The dimmable and color temperature-adjustable LED lamp according to claim 13, characterized in that:

the edge of the protruded plane is provided with a counter bore for mounting the lampshade;

the lampshade is an arc disk structure that is opened upward; and

the opening of the lampshade is chucked in the counter bore in a matching manner.

15. The dimmable and color temperature-adjustable LED lamp according to claim 1, characterized in that:

the central section of the top of the ceiling disk protrudes upward to form a holding chamber that is opened downward;

a mounting pillar extending downward vertically is arranged in the middle of the top of the holding chamber;

the edge of the lower end of the ceiling disk expands outward to form a cover body integrated with the ceiling disk;

the driver is penetrated by the mounting pillar and is fixed in the holding chamber;

the LED board is a circular disk structure;

the double-color temperature LED lamp beads are uniformly arranged on the bottom surface of the LED board;

the LED board is penetrated by the mounting pillar and is fixed under the driver; and

the LED board is located in the opening of the holding chamber.

16. The dimmable and color temperature-adjustable LED lamp according to claim 15, characterized in that:

the edge of the top of the holding chamber is provided with several air convection holes; and

a heat sink panel penetrated by the mounting pillar is further arranged between the driver and the LED board.

17. The dimmable and color temperature-adjustable LED lamp according to claim 16, characterized in that:

the edge of the top of the holding chamber is provided with several air convection holes; and

a heat sink panel penetrated by the mounting pillar is further arranged between the driver and the LED board.

18. The dimmable and color temperature-adjustable LED lamp according to claim 17, characterized in that:

the lampshade consists of a transparent circular light barrier; and

the light barrier is penetrated by the mounting pillar and is fixed via a fixed part.

19. The dimmable and color temperature-adjustable LED lamp according to claim 18, characterized in that:

the bottom end of the mounting pillar is provided with a cylindrical bottom cap.

20. The dimmable and color temperature-adjustable LED lamp according to claim 16, characterized in that:

the lampshade consists of a transparent circular light barrier; and

the light barrier is penetrated by the mounting pillar and is fixed via a fixed part.