Lighting apparatus

Abstract

A lighting apparatus includes a fan device, a driver, a connector and a light module. The lighting apparatus is installing to a cavity of a ceiling. The fan device has a fan and an air channel. The fan is placed in the cavity. The driver converts an external power source to a first driving current supplied to the fan device. The connector is fixed to the fan device. The first light source receives a second driving current provided by the driver. The air channel has an entrance between the main housing and the fan device. The entrance is visually concealed by the main housing when a viewer stands below the lighting apparatus.

Claims

1. A lighting apparatus for installing to a cavity of a ceiling, comprising: a fan device having a fan and an air channel, wherein the fan is placed in the cavity; a driver for converting an external power source to a first driving current supplied to the fan device; a connector fixed to the fan device; and a light module having a top cover, a main container and a first light source, wherein the top housing is attached to the connector, the main container is fixed to the top cover and has a light opening for a first light emitted by the first light source to escape, the main container is exposed outside the cavity, the first light source receives a second driving current provided by the driver, wherein the air channel has an entrance between the light module and the fan device, the entrance is visually concealed by the main housing when a viewer stands below the lighting apparatus, wherein the connector has a power electrode for providing a second driving current to the first light source, wherein the connector has an Edison socket, and the top cover of the light module has an Edison cap to be attached to the Edison socket.

2. The lighting apparatus of claim 1, wherein the driver is integrated with the fan device and the first light source receives the second driving current via the power electrode, the second driving current is a direct current power.

3. The lighting apparatus of claim 1, wherein the light module is detachable from the connector to be replaced with another light module.

4. The lighting apparatus of claim 3, wherein the connector has a track for a connector part of the top cover to slide in, and the power electrode engages electrically with the first light source when the connector part of the top cover is moved to a predetermined position of the track.

5. The lighting apparatus of claim 1, wherein the light module has an extending plate and a second light source, the second light source receives a third driving power from the driver to emit a second reflected light reflected by the extending plate.

6. The lighting apparatus of claim 5, wherein the extending plate has a prism surface with multiple protruding reflecting units.

7. The lighting apparatus of claim 5, wherein the extending plate conceals a lateral side of the connector and leaves another lateral side of the connector kept open as the entrance of the air channel.

8. The lighting apparatus of claim 5, wherein a motion sensor is disposed on the extending plate facing downwardly to a ground for detecting whether there is a person movement and the driver is electrically connected to the motion sensor to determine a response according to the person movement.

9. The lighting apparatus of claim 8, wherein the second light source is turned off when the first light source is turned on.

10. The lighting apparatus of claim 5, wherein the entrance is disposed between the fan device and the top cover of the light module with a air entrance direction having an angle less than 30 degrees with respect to a surface of the ceiling.

11. The lighting apparatus of claim 1, wherein the fan device has a filter for filtering dust of an air flowing via the entrance of the air channel.

12. The lighting apparatus of claim 1, wherein a second light source is disposed in the air channel to sanitize an air passing by the air channel, the third light source has an ultraviolet light.

13. The lighting apparatus of claim 12, wherein the ultraviolet light emits a third light with a wave length between 100 to 180 nm, the second light source is concealed within the air channel and the third light is not exposed outside the lighting device.

14. The lighting apparatus of claim 1, wherein an ultra incense device is disposed in the air channel to transmit an artificial odor.

15. The lighting apparatus of claim 1, wherein the light module has a heat sink thermally connected to the first light source to transmit heat of the first light source to engage the air channel for heat dissipation.

16. The lighting apparatus of claim 1, wherein the fan device has a housing made with a single folded metal sheet.

17. The lighting apparatus of claim 1, wherein the first light source is arranged as a ring surrounding a filter facing to the entrance of the air channel.

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) FIG. 1 illustrates a lighting apparatus embodiment.

(2) FIG. 2 illustrates a side view of the example in FIG. 1.

(3) FIG. 3 illustrates a diagram showing inner components of the example of FIG. 1.

(4) FIG. 4 illustrates a back view of the lighting apparatus of FIG. 1.

(5) FIG. 5 illustrates another lighting apparatus embodiment.

(6) FIG. 6 shows a component of a fan device.

(7) FIG. 7 shows adding enhanced units to the lighting apparatus.

(8) FIG. 8 shows a detachable design.

(9) FIG. 9 shows another arrangement of a lighting apparatus.

(10) FIG. 10 shows another design of an embodiment.

DETAILED DESCRIPTION

(11) In FIG. 5, a lighting apparatus includes a fan device 701, a driver 703, a connector 704 and a light module 705.

(12) The lighting apparatus is installing to a cavity 706 of a ceiling 707.

(13) The fan device 701 has a fan 702 and an air channel 708. The air channel 708 may include multiple segments. Air may be brought into the cavity and moving to outside of a room or may be carried from outside to enter the room via the air channel 708.

(14) The fan device 701 is placed in the cavity 706. In some embodiments, the ceiling is flat and the fan device 701 is concealed visually by the light module 705 when a viewer 709 stands below the lighting apparatus.

(15) The driver 703 converts an external power source 710 to a first driving current (not illustrated, an invisible electrical component) supplied to the fan device 701.

(16) The connector 704 is fixed to the fan device 701. In some embodiments, the connector 704 also has a fixing unit 7041 to fix to the ceiling. For example in FIG. 4, the connector 704 may have two elastic levers 2041 to fix to the cavity of the ceiling. In some other embodiments, the connector may have screw holes to be fixed to the ceiling. Other fixing units may be used for fitting different installation environment.

(17) In FIG. 8, the light module has a top cover 801, a main container 802 and a first light source 803.

(18) The top housing is attached to the connector.

(19) The main container 802 is fixed to the top cover 801 and has a light opening 804 for a first light 805 emitted by the first light source 803 to escape.

(20) The main container 802 is exposed outside the cavity. Specifically, the fan device is hidden inside the cavity of the ceiling while the light module is at least partially exposed outside the cavity. In some embodiments, the light module may be embedded into a cavity of a ceiling.

(21) The first light source receives a second driving current 806 provided by the driver.

(22) In FIG. 5, the air channel 708 has an entrance 711 between the light module 705 and the fan device 701. The entrance is visually concealed by the main housing when a viewer stands below the lighting apparatus.

(23) In FIG. 8, the connector 807 has a power electrode 808 for providing a second driving current 806 to the first light source.

(24) In some embodiments, the driver 809 is integrated with the fan device 810 and the first light source receives the second driving current via the power electrode 808.

(25) The second driving current is a direct current power. In other words, the driver 809 converts an AC power to a DC power supplied to the first light source 803.

(26) In some embodiments, the light module is detachable from the connector to be replaced with another light module.

(27) In some embodiments, the connector 811 has a track 812 for a connector part 813 of the top cover 8101 to slide in, and the power electrode 808 engages electrically with the first light source 803 when the connector part 813 of the top cover 801 is moved to a predetermined position 814 of the track 812.

(28) In FIG. 9, the connector 815 has an Edison socket 816, and the top cover of the light module 818 has an Edison cap 817 to be attached to the Edison socket 816. The light module may be a flat light device, not a traditional light bulb.

(29) In FIG. 5, the light module has an extending plate 712 and a second light source 713.

(30) The second light source 713 receives a third driving power from the driver to emit a second light reflected by the extending plate 712.

(31) In some embodiments, the extending plate 712 has a prism surface 714 with multiple protruding reflecting units.

(32) In some embodiments, the extending plate conceals a lateral side 716 of the connector and leaves another lateral side 717 of the connector kept open as the entrance of the air channel.

(33) In some embodiments, a motion sensor is disposed on the extending plate facing downwardly to a ground for detecting whether there is a person movement and the driver is electrically connected to the motion sensor 718 to determine a response according to the person movement.

(34) In some embodiments, the second light source is turned off when the first light source is turned on.

(35) In some embodiments, the entrance is disposed between the fan device and the top cover of the light module with a air entrance direction having an angle 719 less than 30 degrees with respect to a surface of the ceiling.

(36) In FIG. 7, the fan device has a filter 901 for filtering dust of an air flowing via the entrance 902 of the air channel 903.

(37) In some embodiments, a third light source 904 is disposed in the air channel 903 to sanitize an air passing by the air channel 903.

(38) The third light source has an ultraviolet light.

(39) In some embodiments, the ultraviolet light emits a third light with a wave length between 100 to 180 nm.

(40) The third light source is concealed within the air channel and the third light is not exposed outside the lighting device.

(41) In some embodiments, an ultra-sound incense device 905 is disposed in the air channel to transmit an artificial odor. For example, an ultra-sound device excites water with incense device to vaporize as air.

(42) In some embodiments, the fan device has a heater 906 for generated a heated air outside the entrance of the air channel.

(43) In some embodiments, the light module has a heat sink 907 thermally connected to the first light source 908 to transmit heat of the first light source 908 to engage the air channel for heat dissipation.

(44) In FIG. 6, the fan device has a housing made with a single folded metal sheet 909. FIG. 6 illustrates an unfolded metal sheet to be folded as a box with a connector 910 for fixing a fan.

(45) In FIG. 10, the first light source, which has four light strips 911, 912, 913, 914 as an example, is arranged as a ring surrounding a filter 915 facing to the entrance of the air channel.

(46) Please refer to FIG. 1, which illustrates a lighting apparatus embodiment.

(47) In FIG. 1, the lighting apparatus has an entrance 400 for air to entering an air channel. There is a motion sensor 501 disposed on an extending plate 500, which has multiple protruding structures 502 for reflecting light from a second light source 600.

(48) There is a shield 602 that is used for protecting the second light source 600 but allows light to pass through.

(49) A light passing cover 206 is disposed on a light module 200. The light module is connected to a fan device 100 via a connector 204. The light module 200 has a main container 201.

(50) FIG. 2 shows a side view of the example in FIG. 1.

(51) In FIG. 2, the ceiling 300 if further illustrated to show the relation among the components of the lighting apparatus and how these components are disposed with respect to the ceiling 300.

(52) FIG. 3 further shows the details of the example in FIG. 1.

(53) In FIG. 3, the protruding bars 502 are used for reflecting lights of the second light strip 601 of the second light source.

(54) The first light source has multiple light strips 202 disposed to a housing 201. A driver 203 is integrated in the light module.

(55) FIG. 4 shows a top view of the lighting apparatus in FIG. 1.

(56) In FIG. 4, the connector part 204 of the top cover is further illustrated to fix to a connector of the fan device. There is a protruding platform to keep air entrance gap for air to move in or move out.

(57) The foregoing description, for purpose of explanation, has been described with reference to specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in view of the above teachings.

(58) The embodiments were chosen and described in order to best explain the principles of the techniques and their practical applications. Others skilled in the art are thereby enabled to best utilize the techniques and various embodiments with various modifications as are suited to the particular use contemplated.

(59) Although the disclosure and examples have been fully described with reference to the accompanying drawings, it is to be noted that various changes and modifications will become apparent to those skilled in the art. Such changes and modifications are to be understood as being included within the scope of the disclosure and examples as defined by the claims.