Light-emitting diode bulb with loudspeaker function

• US 9,267,675 B2
• Filed: 07/11/2014
• Issued: 02/23/2016
• Est. Priority Date: 07/11/2014
• Status: Active Grant

• Current Assignee: Well Shin Technology Co., Ltd.
• Original Assignee: Well Shin Technology Co., Ltd.
• Inventors: Wu, Jui Hsiung
• Primary Examiner(s): PENDLETON, DIONNE
• Application Number:
  US14/329,852
• Publication Number:
  US 20160010846A1
• Time in Patent Office: 592 Days
• US Class Current: 1/1
• CPC Class Codes: F21K 9/23 Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
• CPC Class Codes: F21V 33/0056 Audio equipment, e.g. music instruments, radios or speakers
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H04R 1/028 associated with devices performing functions other than acoustics, e.g. electric candles
• CPC Class Codes: H04R 2201/021 Transducers or their casings adapted for mounting in or to a wall or ceiling
• CPC Class Codes: H04R 2201/028 Structural combinations of loudspeakers with built-in power amplifiers, e.g. in the same acoustic enclosure H04R2499/10 takes precedence; Single (sub)woofer with two or more satellite loudspeakers for mid- and high-frequency band reproduction driven via the (sub)woofer H04R2205/026

Abstract

A light-emitting diode bulb with loudspeaker function includes a bulb head, a drive power assembly, a heat radiator, a light-emitting diode module, a loudspeaker assembly, and a cover covered on the heat radiator. The drive power assembly is assembled to an upper portion of the bulb head, and is electrically connected with the bulb head. The drive power assembly includes a power supply circuit board assembly and a wireless module. The heat radiator is mounted to the upper portion of the bulb head. The drive power assembly is received in the heat radiator. The light-emitting diode module is mounted on the heat radiator, and is electrically connected with the power supply circuit board assembly. The loudspeaker assembly mounted on the light-emitting diode module, the heat radiator and the drive power assembly includes a fastening holder, an audio circuit board, a fastening bracket and a speaker unit.

Claims

1. A light-emitting diode bulb with loudspeaker function, comprising:

a bulb head;

a drive power assembly assembled to an upper portion of the bulb head, and electrically connected with the bulb head, the drive power assembly including a power supply circuit board assembly, and a wireless module disposed to a top end of the power supply circuit board assembly;

a heat radiator mounted to the upper portion of the bulb head, the drive power assembly being received in the heat radiator;

a light-emitting diode module mounted on the heat radiator, and electrically connected with the power supply circuit board assembly of the drive power assembly;

a loudspeaker assembly mounted on the light-emitting diode module, the heat radiator and the drive power assembly, the loudspeaker assembly including a fastening holder mounted on the light-emitting diode module, the heat radiator and the drive power assembly, an audio circuit board disposed to the fastening holder and electrically connected with the power supply circuit board assembly, a fastening bracket mounted on the audio circuit board, the fastening holder, the light-emitting diode module and the heat radiator, and a speaker unit fastened to the fastening bracket and electrically connected with the audio circuit board which has a main board, a Bluetooth integrated circuit chip disposed on the main board, and a power amplifier chip disposed on the main board; and

a cover covered on the heat radiator to locate the light-emitting diode module and the loudspeaker assembly between the cover and the heat radiator, a top of the cover defining a plurality of through-holes.

2. The light-emitting diode bulb with loudspeaker function as claimed in claim 1, wherein the fastening holder has a bottom board, two opposite sides of the bottom board of the fastening holder protrude upward to form two first buckling portions with two top ends thereof showing hook shape, the fastening bracket has a base board, the top end of the first buckling portion hooks a top surface of the base board of the fastening bracket.

3. The light-emitting diode bulb with loudspeaker function as claimed in claim 2, wherein two opposite sides of the main board of the audio circuit board are recessed inward to form two recesses, two opposite sides of a bottom surface of the base board of the fastening bracket protrude downward to form two second buckling portions with two bottom ends thereof showing hook shape, the bottom end of the second buckling portion is buckled in the recess of the audio circuit board and hooks a bottom surface of the main board of the audio circuit board.

4. The light-emitting diode bulb with loudspeaker function as claimed in claim 2, wherein an outer side of the speaker unit defines a basin stand, the basin stand defines a plurality of buckling grooves penetrating therethrough, several portions of a periphery of the top surface of the base board of the fastening bracket protrude upward to form a plurality of third buckling portions with top ends thereof showing hook shape, the top end of the third buckling portion is buckled in the buckling groove and hooks a bottom sidewall of the buckling groove.

5. The light-emitting diode bulb with loudspeaker function as claimed in claim 2, wherein a front and a rear of the main board of the audio circuit board are recessed inward to form two embedding grooves, a front and a rear of a bottom surface of the base board of the fastening bracket protrude downward to form two embedding portions, the embedding portions are embedded in the embedding grooves.

6. The light-emitting diode bulb with loudspeaker function as claimed in claim 2, wherein a middle of the top surface of the base board of the fastening bracket protrudes upward to form a supporting ring, a bottom of the speaker unit is fastened to the supporting ring.

7. The light-emitting diode bulb with loudspeaker function as claimed in claim 2, wherein the heat radiator includes a main body, and a sealing board disposed on a top end of the main body, a top of the sealing board is concaved downward to form a receiving groove, a bottom sidewall of the receiving groove defines a plurality of retaining holes, the light-emitting diode module defines a plurality of fixing holes, a periphery of the bottom board of the fastening holder defines a plurality of first fastening pillars of which middles vertically penetrate therethrough, an outer periphery of the base board of the fastening bracket protrudes outward to form a plurality of fastening boards of which each defines a fastening hole, the loudspeaker assembly further includes a loudspeaker retainer ring and a plurality of fastening elements, the loudspeaker retainer ring is mounted on the fastening bracket and the fastening holder, and surrounds the speaker unit, a periphery of a top end of the loudspeaker retainer ring defines a plurality of second fastening pillars of which middles vertically penetrate therethrough, the light-emitting diode module, the fastening holder, the audio circuit board, the fastening bracket, the speaker unit and the loudspeaker retainer ring are fastened to the heat radiator by virtue of the fastening elements passing through the middles of the second fastening pillars, the fastening holes, the middles of the first fastening pillars, the fixing holes and the retaining holes.

8. The light-emitting diode bulb with loudspeaker function as claimed in claim 7, wherein the loudspeaker assembly further includes a sealing ring, the sealing ring is sleeved around the periphery of the top end of the loudspeaker retainer ring.

9. The light-emitting diode bulb with loudspeaker function as claimed in claim 7, wherein a middle of a bottom surface of the bottom board of the fastening holder protrudes downward to form a propping portion, the propping portion passes through a middle of the light-emitting diode module to resist against the sealing board for forming an interval between the bottom board of the fastening holder and the sealing board, so that the light-emitting diode module is disposed between the bottom board of the fastening holder and the sealing board.

10. The light-emitting diode bulb with loudspeaker function as claimed in claim 7, wherein the drive power assembly includes a shell, the shell surrounds the power supply circuit board assembly, two opposite sides of a top surface of the shell are concaved downward to form two locking fillisters, the bottom sidewall of the receiving groove of the heat radiator defines two locking holes respectively corresponding to the locking fillisters, two opposite sides of a bottom surface of the bottom board of the fastening holder protrude downward to form two locking portions, the two locking portions pass through a middle of the light-emitting diode module and the two locking holes to be locked in the locking fillisters of the shell.

11. The light-emitting diode bulb with loudspeaker function as claimed in claim 10, wherein the drive power assembly includes a first connector mounted to the top end of the power supply circuit board assembly, a second connector docked with the first connector, a middle of a top surface of the shell opens a first opening, a middle of the bottom sidewall of the receiving groove of the heat radiator opens a second opening corresponding to the first opening of the shell, the second connector and a top end of the first connector pass through the first opening to project beyond the top surface of the shell, a top end of the second connector passes through the second opening of the heat radiator to project beyond the bottom sidewall of the receiving groove.

12. The light-emitting diode bulb with loudspeaker function as claimed in claim 11, wherein the light-emitting diode module includes a third connector disposed to a top of the light-emitting diode module, and a fourth connector docked with the third connector, the top end of the second connector of the power supply circuit board assembly passes through the middle of the light-emitting diode module by a first cable to electrically connect with the fourth connector for making the light-emitting diode module electrically connect with the power supply circuit board assembly of the drive power assembly.

13. The light-emitting diode bulb with loudspeaker function as claimed in claim 11, wherein the audio circuit board has two fifth connectors assembled to two opposite sides of a bottom surface of the main board, and two sixth connectors docked with the two fifth connectors, the top end of the second connector of the power supply circuit board assembly passes through the middle of the light-emitting diode module to electrically connect with the sixth connector by a second cable for making the audio circuit board electrically connect with the power supply circuit board assembly, the speaker unit has two connecting pieces of which each defines a connecting hole for connecting with a third cable, the third cable is electrically connected with the sixth connector for making the speaker unit electrically connect with audio circuit board.