CN102313186A - Indoor illumination device - Google Patents

Abstract

The invention relates to an indoor lighting device, which includes at least one lamp and a box body. The lamp has a radiator and a light emitting part. The box body includes an opposite top wall and bottom wall. At least one opening for the lamp to pass through is formed on the bottom wall. The light-emitting part of the lamp exposes the box body through the opening, and the heat dissipation of the lamp The device is located in the box. The box has a first vent and a second vent, and the radiator of the lamp is located on the airflow path between the first vent and the second vent. At least one of the first vent and the second vent is used to connect with an airflow generating device.

Description

indoor lighting

technical field

The invention relates to a lighting device, in particular to an indoor lighting device.

Background technique

At present, in order to prolong the service life and improve the stability of light emission, some indoor lighting devices (such as LED lamps, etc.) mostly use radiators to help dissipate heat, and improve the temperature of indoor lighting devices through heat convection between the radiator and the air. cooling efficiency. However, indoor lighting devices are generally attached to the ceiling or roof, and the air close to the ceiling and roof surface often has poor fluidity, which leads to the heat emitted by the indoor lighting device not being dissipated in time, resulting in low heat dissipation efficiency of the indoor lighting device. Low, reducing the service life and luminous stability of indoor lighting devices.

Contents of the invention

In view of this, it is necessary to provide an indoor lighting device with high heat dissipation efficiency.

An indoor lighting device includes at least one lamp and a box. The lamp has a radiator and a light emitting part. The box body includes an opposite top wall and bottom wall. At least one opening for the lamp to pass through is formed on the bottom wall. The light-emitting part of the lamp exposes the box body through the opening, and the heat dissipation of the lamp The device is located inside the box. The box has a first vent and a second vent, and the radiator of the lamp is located on the airflow path between the first vent and the second vent. At least one of the first vent and the second vent is used to connect with an airflow generating device.

An indoor lighting device includes at least one lamp, a box body and an airflow generating device. The lamp has a radiator and a light emitting part. The box body includes an opposite top wall and bottom wall. At least one opening for the lamp to pass through is formed on the bottom wall. The light-emitting part of the lamp exposes the box body through the opening, and the heat dissipation of the lamp The device is located inside the box. The box has a first vent and a second vent, and the radiator of the lamp is located on the airflow path between the first vent and the second vent. One of the first vent and the second vent is connected to the airflow generating device.

In this embodiment, the box body on which at least one lamp is installed has two vents, and at least one vent is connected to the airflow generating device, since the airflow generating device can accelerate the airflow velocity between the two vents, Therefore, the heat dissipation efficiency of the lamp can be effectively improved.

Description of drawings

Fig. 1 is a schematic diagram of an indoor lighting device provided by the first embodiment of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of a lamp in the indoor lighting device in Fig. 1 .

Fig. 3 is a schematic diagram of an exploded structure of another viewing angle of the lamp in Fig. 2 .

Fig. 4 is a schematic diagram of the assembled lamp in Fig. 2 .

Fig. 5 is a cross-sectional view of the box in Fig. 1 along the V-V direction.

Fig. 6 is a cross-sectional view of an indoor lighting device provided by the second embodiment of the present invention.

Description of main component symbols

Indoor lighting device 100, 200

Lamps 10

Lampholder 11

Drive circuit 12

Radiator 13

Luminous Department 14

Fixed part 111

Electrical Connector 112

Substrate 131

Heat sink fins 132

Hollow convex post 133

Cooling column 134

First Surface 131a

Second Surface 131b

Mounting groove 131c

Through hole 131d

Light-emitting components 141

Lampshade 142

Cabinet 20

top wall 21

Bottom wall 22

First side wall 23

Second side wall 24

Opening 221

Mounting slot 211

First vent 231

Second vent 241

Airflow generating device 30

Airway 40

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , an indoor lighting device 100 provided by a first embodiment of the present invention includes at least one lamp 10 , a box body 20 and an airflow generating device 30 .

Referring to FIGS. 2 to 4 , the lamp 10 includes a lamp holder 11 , a driving circuit 12 , a heat sink 13 and a light emitting portion 14 .

The lamp holder 11 includes a fixing portion 111 and an electrical connector 112 . The electrical connector 112 is sheathed on one end of the fixing portion 111 and is used for electrically connecting with an external power source to supply power to the lamp 10 . The fixing portion 111 is used for fixing the driving circuit 12 and the heat sink 13 .

The driving circuit 12 is disposed between the lamp holder 11 and the heat sink 13 , and is electrically connected to the electrical connector 112 on the lamp holder 11 and the light emitting part 14 for providing a driving voltage for the light emitting part 14 .

The light emitting part 14 includes at least one light emitting element 141 and a lampshade 142 . In this embodiment, the light emitting unit 14 has five light emitting elements 141, and the light emitting elements 141 are light emitting diodes. It can be understood that the number of light emitting elements 141 in the light emitting portion 14 is not limited to this embodiment. The lampshade 142 is made of transparent material, such as glass, plastic and so on. In this embodiment, the lampshade 142 is approximately hemispherical.

The heat sink 13 includes a substrate 131 , a plurality of heat dissipation fins 132 , a hollow post 133 and a plurality of heat dissipation posts 134 .

The substrate 131 includes a first surface 131a and a second surface 131b opposite to each other. The first surface 131 a is away from the lamp socket 11 , and the second surface 131 b faces the lamp socket 11 . The light-emitting element 141 is mounted on the first surface 131a of the substrate 131. Specifically, a circuit board (not shown) can be provided on the first surface 131a, and then the light-emitting element 141 is attached to the circuit board. or directly form a circuit on the first surface 131a to be electrically connected to the light emitting element 141, and the circuit can be formed on the first surface 131a by electroplating or other methods. When directly forming a circuit on the first surface 131 a to electrically connect the light emitting element 141 , the substrate 131 should be made of a material with high thermal conductivity and electrical insulation, such as ceramics. Preferably, the ceramic is selected from alumina, aluminum nitride or a mixture of the two. By directly forming a circuit on the surface of the substrate 131 made of highly thermally conductive and electrically insulating material to install the light-emitting element 141, the thermal resistance between the light-emitting element 141 and the radiator 13 can be greatly reduced, and the heat dissipation efficiency of the light-emitting element 141 can be effectively improved. Thermal stability. An annular installation groove 131c is formed around the light emitting element 141 on the first surface 131a, and the installation groove 131c is used for installing the lampshade 142 . At least one through hole 131d penetrating through the first surface 131a and the second surface 131b is formed on the substrate 131 so as to facilitate the electrical connection between the at least one light emitting element 141 and the driving circuit 12 .

The plurality of cooling posts 134 are formed on the first surface 131a of the substrate 131 and are disposed around the outside of the installation groove 131c. In this way, when the lampshade 142 is installed on the base plate 131, the plurality of heat dissipation columns 134 can be located outside the lampshade 142 to facilitate rapid heat dissipation.

The plurality of heat dissipation fins 132 and hollow protrusions 133 are formed on the second surface 131 b of the substrate 131 . The plurality of cooling fins 132 are disposed around the hollow post 133 and are connected to the outer surface of the hollow post 133 . In this embodiment, the plurality of heat dissipation fins 132, hollow protrusions 133, and plurality of heat dissipation pillars 134 are integrally formed with the substrate 131, and the plurality of heat dissipation fins 132, hollow protrusions 133, and plurality of heat dissipation pillars 134 and the substrate 131 are made of the same material. An end of the hollow post 133 away from the base plate 131 is fixedly connected to an end of the fixing portion 111 of the lamp holder 11 away from the electrical connector 112 . The driving circuit 12 can be accommodated in the hollow protrusion 133 , thereby reducing the volume of the entire lamp 10 .

The hollow boss 133 in the embodiment of the present invention is mainly for the convenience of fixing the heat sink 13 on the lamp holder 11 and facilitating the installation of the driving circuit 12 . It can be understood that the fixing method of the heat sink 13 and the lamp holder 11 and the installation position of the driving circuit 12 should not be limited to this embodiment.

Please refer to FIG. 5 , the box body 20 includes a top wall 21 , a bottom wall 22 , a first side wall 23 and a second side wall 24 . The first side wall 23 and the second side wall 24 are respectively connected between the top wall 21 and the bottom wall 22 .

The bottom wall 22 is formed with at least one opening 221 for passing through the lamp 10 . When the lamp 10 is installed on the box body 20 , the light emitting part 14 of the lamp 10 exposes the box body 20 through the opening 221 . The lamp holder 11 and the radiator 13 are located in the box body 20 . To facilitate the installation of the lamp 10 on the box body 20 , preferably, an installation groove 211 is formed on the top wall 21 corresponding to each opening 221 for accommodating the lamp holder 11 of the lamp 10 .

A first vent 231 and a second vent 241 are respectively formed on the first side wall 23 and the second side wall 24 . At least one of the first vent 231 and the second vent 241 is used to connect with an airflow generating device 30, and the airflow generating device 30 can be directly arranged at least between the first vent 231 and the second vent 241. One place, or connected to the first vent 231 or the second vent 241 through an air duct. The airflow generating device 30 is used to accelerate the flow velocity of the airflow between the first vent 231 and the second vent 241 , so as to effectively improve the heat dissipation efficiency of the lamp 10 in the indoor lighting device 100 . In this embodiment, the airflow generating device 30 is disposed at the second vent 241 . In order to improve the heat dissipation efficiency of the lamp 10 in the indoor lighting device 100, preferably, the first vent 231 and the second vent 241 are arranged opposite to each other, and the at least one opening 221 extends along the first vent 231 to the second vent. The direction of the air vent 241 is set.

It can be understood that the first vent 231 and the second vent 241 can also be formed on the top wall 21 and the bottom wall 22, as long as the lamp 10 can be located between the first vent 231 and the second vent 241 on the airflow path.

Please refer to FIG. 6 , an indoor lighting device 200 provided in the second embodiment of the present invention is similar to the indoor lighting device 100 provided in the first embodiment of the present invention. The difference between the indoor lighting device 200 and the indoor lighting device 100 is that the indoor lighting device 200 includes two boxes 20 , an airflow generating device 30 and an air duct 40 , and the second ventilation openings 241 of the two boxes 20 are both Connected to an air duct 40 , the airflow generating device 30 is arranged in the air duct 40 or at one end of the air duct 40 . The airflow generating device 30 may be a central air-conditioning system or an indoor ventilation device. Preferably, the airflow generating device 30 is a central air-conditioning system or an indoor ventilation device. In this way, by using a central air-conditioning system or an indoor ventilation device, an additional airflow generating device 30 can be avoided, thereby reducing the cost of the entire indoor lighting device 200. manufacturing cost. Preferably, the box body 20 is a part of the airflow duct of the central air conditioning system or the indoor ventilation device, so that the airflow duct of the central air conditioning system or the indoor ventilation device can be effectively used and the manufacturing cost of the indoor lighting device 200 can be reduced. It can be understood that the number of boxes 20 in the indoor lighting device 200 is not limited to two.

In this embodiment, the box body on which at least one lamp is installed has two vents, and at least one vent is connected to the airflow generating device, since the airflow generating device can accelerate the airflow velocity between the two vents, Therefore, the heat dissipation efficiency of the lamp can be effectively improved.

It can be understood that, for those skilled in the art, various other corresponding changes and deformations can be made according to the technical concept of the present invention, and all these changes and deformations should belong to the protection scope of the claims of the present invention .

Claims (10)

1. interior illuminator; It comprises at least one light fixture, and this light fixture has a radiator and an illuminating part, it is characterized in that; Said interior illuminator also comprises a casing; This casing comprises an opposing top and diapire, is formed with at least one on the said diapire and is used for the opening that said light fixture wears, and the illuminating part of said light fixture exposes casing through said opening; The radiator of light fixture is positioned at casing; Said casing has one first ventilating opening and one second ventilating opening, and the radiator of said light fixture is on the air flow path between this first ventilating opening and second ventilating opening, and said first ventilating opening and second ventilating opening one of at least are used for being connected with an air flow-producing device.

2. interior illuminator as claimed in claim 1 is characterized in that: said air flow-producing device directly is arranged at said first ventilating opening and second ventilating opening and locates one of at least.

3. interior illuminator as claimed in claim 1 is characterized in that: said air flow-producing device is connected to said first ventilating opening or second ventilating opening through wireway.

4. interior illuminator as claimed in claim 1 is characterized in that: said first ventilating opening and second ventilating opening are oppositely arranged, and said at least one opening is provided with to the second ventilating opening direction along said first ventilating opening.

5. interior illuminator; It comprises at least one light fixture, and this light fixture has a radiator and an illuminating part, it is characterized in that; Said interior illuminator also comprises a casing and an air flow-producing device; This casing comprises an opposing top and diapire, is formed with at least one on the said diapire and is used for the opening that said light fixture wears, and the illuminating part of said light fixture exposes casing through said opening; The radiator of light fixture is positioned at casing; Said casing has one first ventilating opening and one second ventilating opening, and the radiator of said light fixture is on the air flow path between this first ventilating opening and second ventilating opening, and one of said first ventilating opening and second ventilating opening are connected with said air flow-producing device.

6. interior illuminator as claimed in claim 5 is characterized in that: said air flow-producing device directly is arranged at said first ventilating opening and second ventilating opening and locates one of at least.

7. interior illuminator as claimed in claim 5 is characterized in that: said air flow-producing device is connected to said first ventilating opening or second ventilating opening through wireway.

8. interior illuminator as claimed in claim 5 is characterized in that: said first ventilating opening and second ventilating opening are oppositely arranged, and said at least one opening is provided with to the second ventilating opening direction along said first ventilating opening.

9. interior illuminator as claimed in claim 5 is characterized in that: said air flow-producing device is central air conditioner system or cabin ventilator.

10. interior illuminator as claimed in claim 9 is characterized in that: said casing is the part of the airflow line of central air conditioner system or cabin ventilator.

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