WO2020125556A1

WO2020125556A1 - Lamp

Info

Publication number: WO2020125556A1
Application number: PCT/CN2019/125260
Authority: WO
Inventors: 张晓音
Original assignee: 欧普照明股份有限公司; 苏州欧普照明有限公司
Priority date: 2018-12-19
Filing date: 2019-12-13
Publication date: 2020-06-25
Also published as: CN209558057U

Abstract

A lamp, comprising: a cover (1), a light source module (3), a heat radiator (4), a power box (6), and a power module (2) provided inside the power box (6). The light emitted by the light source module (3) passes through the cover (1) and exits from the lower side of the lamp. The light source module (3) is disposed on one side of the heat radiator (4), so that the heat radiator (4) dissipates the heat generated by the light source module (3). The power box (6) is disposed on the other side of the heat radiator (4). The cover (1) is provided with a first through hole (1a), and a second through hole (6ca) is provided at the rear of the power box (6) to form an airflow heat-dissipation passage in the lamp. The isolation of the light source area from the power source area enables the heat generated by the power source to be dissipated from the airflow heat-dissipation passage and the heat generated by the light source to be dissipated from the heat radiator (4), so that the heat superposition and mutual interference between the power source and the light source are avoided, thereby ensuring the safe work of the lamp.

Description

Lamp

Technical field

The invention relates to the field of lighting lamps, in particular to a lamp.

Background technique

At present, most of the ceiling-mounted lamps on the domestic market use radiators for heat dissipation. The power board used for power supply is usually placed above the radiator through the structural parts of other lamps, so that the heat generated by the light source area is continuously transmitted to the power area, resulting in power supply The temperature of the zone is superimposed, bringing potential risks.

Summary of the invention

In view of the above problems, the present invention has been proposed in order to provide a lamp that overcomes the above problems or at least partially solves the above problems.

According to an aspect of the present invention, there is provided a lamp, including: a mask, a light source module, a heat sink, a power box, and a power module disposed inside the power box, the light emitted by the light source module passes through the mask from the lamp Shot from below,

The light source module is disposed on one side of the heat sink, so that the heat sink dissipates the heat emitted by the light source module;

The power box is provided on the opposite side of the radiator; and

A first through hole is provided on the mask, and a second through hole is provided on the tail of the power box to form an air flow heat dissipation channel in the lamp.

Optionally, the light source module includes an LED light source board and a plurality of light sources disposed on the light source board, and the light source board is provided with a through hole so that the airflow heat dissipation channel penetrates.

Optionally, the heat sink includes a base and a heat sink formed on the top of the base, the base is also provided with a through hole, and the heat sink surrounds at least a part of the outer periphery of the power box.

Optionally, the power box includes a first power box case located on the side, a second power box case, and a support plate located at the rear, and the power module is disposed between the first power box case and the second power supply In the space formed by the box shell and the support plate;

The second through hole is provided on the support plate.

Optionally, hooks or slots are provided on both sides of the first power box casing;

Both sides of the housing of the second power box are provided with a card slot or a card hook adapted to the card hook or a card slot;

The housing of the first power box is snapped into the slot of the housing of the second power box through the hook and connected to the housing of the second power box; or

The second power box casing is connected to the first power box casing through the snap hook into the card slot of the first power box casing.

Optionally, a plurality of supporting ribs corresponding to positions are provided inside the first power box casing and the second power box casing, and the power supply module is fixed to the power supply through the plurality of support ribs In the box.

Optionally, the lamp further includes a reflector,

The reflector is in the shape of an inverted bowl, and both ends of the reflector are connected;

The heat sink is connected to the top of the reflector through the base, the bottom surface of the base is located in the reflector, and the heat sink extends from the top of the reflector outside the reflector.

Optionally, the center lines of the first through holes, the through holes on the heat sink, the through holes on the light source board, and the second through holes are on one axis.

Optionally, the mask includes a frosted mask or a diffusion mask doped with diffusion particles. Part of the light emitted by the light source module is directly emitted through the mask, and the other part is projected to the reflector and then emitted.

Optionally, the mask further includes an optical lens, and a part of the light emitted by the light source module is directly emitted through the mask, and the other part is projected to the reflector and then emitted.

The invention provides a lamp, which includes a face mask, a light source module, a radiator, a power box, and a power module disposed inside the power box. The light emitted by the light source module is emitted from the lower side of the lamp through the mask, wherein the light source The module is arranged on one side of the radiator; so that the radiator can dissipate the heat emitted by the light source module; the power box is arranged on the other side of the radiator; and the mask is provided with a first through hole, and the rear of the power box is arranged There is a second through hole to form an air flow heat dissipation channel in the lamp. Based on the lamp proposed by the present invention, the light source area is isolated from the power supply area, so that the heat generated by the power supply is dissipated from the air flow heat dissipation channel, and the heat generated by the light source is dissipated from the radiator, which avoids the heat superposition and mutual interference of the two, and ensures the lamp safe job.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented in accordance with the contents of the specification, and in order to make the above and other objects, features and advantages of the present invention more obvious and understandable The specific embodiments of the present invention are listed below.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will understand more about the above and other objects, advantages, and features of the present invention.

BRIEF DESCRIPTION

By reading the detailed description of the preferred embodiments below, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments, and are not considered to limit the present invention. Furthermore, the same reference numerals are used to denote the same parts throughout the drawings. In the drawings:

1 is a schematic diagram of an exploded structure of a lamp according to an embodiment of the present invention;

2 is a schematic diagram of an exploded structure of a power box according to an embodiment of the present invention;

FIG. 3 is a schematic diagram 1 of a lamp combination according to an embodiment of the present invention;

FIG. 4 is a second schematic diagram of a lamp combination according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the principle of heat dissipation according to an embodiment of the present invention.

detailed description

Hereinafter, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

It should be noted that the technical features in the embodiments and optional embodiments of the present invention can be combined with each other without conflict.

To solve the above problems, an embodiment of the present invention provides a lamp. The following is a detailed description with specific examples.

With reference to FIGS. 1-4, a lamp according to an embodiment of the present invention includes a mask 1, a light source module 3, a heat sink 4, a power module 2, and a power box 6, wherein the power module 2 is disposed in the power box 6, the light source The module 3 is arranged on one side of the radiator 4 so that the radiator 4 can dissipate the heat emitted by the light source module 3, the power box 6 is arranged on the other side of the radiator 4, and the mask 1 is provided with a first through hole 1a. The rear end of the power box 6 is provided with a second through hole 6ca to form an air flow heat dissipation channel in the lamp.

An embodiment of the present invention proposes a lamp, in which the light emitted by the light source module 3 is emitted from the lower side of the lamp through the mask 1, the light source module 3 is provided on one side of the heat sink 4, and the power box 6 is provided on the heat sink 4 On the other side, the mask 1 is provided with a first through hole 1a, and the power box 6 is provided with a second through hole 6ca at the rear, the first through hole 1a and the second through hole 6ca communicate with each other to form an airflow heat dissipation for the power module 2 Channel, the heat of the light source module 3 is dissipated by the radiator 4. Based on the solution proposed by the present invention, the light source area and the power supply area are isolated, to avoid heat superposition and mutual interference between the light source area and the power supply area, and to ensure the safe operation of the lamp.

It should be noted that, in this embodiment, the light source module 3 includes an LED light source board 3b and a plurality of light sources 3c provided on the light source board 3b, but the known lighting method is not limited to the LED light source board, and may be other methods. Therefore, the present invention will not be listed here one by one.

Specifically, the light source board 3b in this embodiment is provided with a plurality of 80W LED lamp beads 3c, which can emit light when connected to the power module 2. The through hole 3a on the light source board 3b is preferably provided in the center of the light source board 3b, and It is a circular through hole. The through hole 3a communicates with the first through hole 1a on the mask 1 and the second through hole 6ca at the rear of the power box 2, so that the heat generated by the power module 2 can be dissipated along the airflow formed by the through holes The channels are emitted, which solves the heat dissipation problem of the power module 2.

The heat sink 4 includes a base 4a and a heat sink 4b formed on the top of the base 4a. The base 4a is provided with a through hole 4ab. The light source board 3b is provided on the lower surface of the base 4a, the base 4a is provided with a plurality of screw holes, the light source board 3b is provided with a plurality of screw holes corresponding to the positions of the screw holes on the base 4a, the light source board 3b and the heat sink The radiator 4 is fixed by screws. The heat sink 4b on the heat sink 4 surrounds at least part of the outer periphery of the power box 6. The heat sink 4b is used to dissipate the light source 3c on the light source board 3b; the center of the base 4a of the heat sink 4 is provided with The through holes 4ab, the through holes 4ab on the heat sink 4 correspond to the positions of the through holes 3a on the light source board 3b, and are also for forming an air flow heat dissipation channel for the power module 2 to dissipate heat.

The face mask 1 is provided on the lower side of the light source board 3b, a buckle portion 1b is provided on the periphery of the hood 1, and the edge of the base 4a of the heat sink 4 is provided with a chuck groove 4ac corresponding to the position of the buckle portion 1b on the face mask 1, so that The mask 1 can be inserted into the slot 4ac through the buckle portion 1b to be connected and fixed with the heat sink 4, of course, a slot can also be provided around the mask 1, and a buckle portion can be provided on the edge of the base 4a of the heat sink 4 to make the two Connected, the effect is the same.

The power box 6 in this embodiment includes a first power box casing 6a located on the side, a second power box casing 6b, and a support plate 6c located at the rear. The power module 2 is provided by the first power box casing 6a, the second In the space formed by the power box casing 6b and the support plate 6c, the support plate 6c is provided with a second through hole 6ca.

Among them, the first power box housing 6a is provided with a hook 6aa on both sides, the second power box housing 6b is provided with a slot 6ba adapted to the hook 6aa on both sides, and the first power box housing 6a passes through the hook 6aa is snapped into the slot 6ba on the second power box housing 6b and connected to the second power box housing 6b, the support plate 6c is fixed to the tails of the first power box housing 6a and the second power box housing 6b by screws 6d, and the support plate 6c The second through hole 6ca provided on the top is an elliptical through hole, which communicates with the inside of the power box 6. It should be noted that it is also possible to provide card slots on both sides of the first power box case 6a, and the second power box case 6b A hook is provided on both sides of the device to connect the first power box casing 6a and the second power box casing 6b.

The first power box casing 6a and the second power box casing 6b are further provided with a plurality of supporting ribs 6bb corresponding to the positions. The power module 2 is fixed inside the power box 6 through the supporting ribs 6bb.

The lamp of the embodiment of the present invention further includes a reflector 5, the body shape of the reflector 5 is an inverted bowl, the two ends of the reflector 5 are connected, and the radiator 4 is connected to the top of the reflector 5 through a base 4a. The bottom surface of 4a is located in the reflector 5, and the heat sink 4b extends out of the reflector 5 from the top of the reflector 5.

The top of the reflector 5 extends inwards to form a plurality of mounting portions 5a, the mounting portions 5a are provided with screw holes, and the edges of the upper surface of the base 4a of the heat sink 4 are provided with screws adapted to the mounting portions 5a The holes are fixed by screws, and the reflector 5 can reflect the light emitted by the light source 3c at multiple angles to achieve a better lighting effect.

The center lines of the first through hole 1a, the through hole 4ab on the heat sink 4, the through hole 3a on the light source board 3b, and the second through hole 6ca may be on one axis to form an air flow heat dissipation channel. In fact, as long as the first through-hole 1a communicates with the second through-hole 6ca, the present invention applies the first through-hole 1a, the second through-hole 6ca, the through-hole 3a on the light source board 3b and the through-hole on the heat sink 4 The 4ab position is not specifically limited.

The above-mentioned mask 1 may be a frosted mask or a diffusion mask doped with diffusion particles, or an optical lens, so that part of the light emitted by the light source module 2 is directly emitted through the mask 1 and the other part is projected onto the reflector 5 and then emitted.

FIG. 5 shows a schematic diagram of the heat dissipation principle of the lamp of the embodiment of the present invention. As shown in FIG. 5, the heat generated by the light source module 3 can be dissipated from the heat sink 4b of the heat sink 4, and the heat generated by the power module 2 can be dissipated by the first through hole 1a, the through hole 3a on the light source board 3b, and the heat The airflow heat dissipation channel formed by the through hole 4ab and the second through hole 6ca on the device 4 is emitted to isolate the light source area and the power supply area to avoid heat superposition and mutual interference.

An embodiment of the present invention proposes a lamp with a second through hole at the rear of the power box, a power module in the power box, a power box in the upper side of the radiator, and a light source module in the lower side of the radiator, The mask is provided with a first through hole, and the mask is arranged on the lower side of the light source module, so that the light source area and the power supply area are isolated, the heat generated by the light source module is dissipated by the radiator, and the heat generated by the power module is dissipated by the air flow cooling channel, To avoid the superposition of heat and mutual interference between the two, the design of the airflow heat dissipation channel can quickly dissipate the heat generated in the power supply area through heat exchange, and the technical solution proposed by the present invention achieves good heat dissipation effect without increasing the cost. The product life is prolonged and the user experience is improved. This solution can be applied to a variety of lifting products.

By now, those skilled in the art should realize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be disclosed according to the present invention without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications that conform to the principles of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all these other variations or modifications.

Claims

A lamp includes a mask, a light source module, a heat sink, a power box, and a power module disposed inside the power box. Light emitted by the light source module is emitted from the lower side of the lamp through the mask,

The light source module is disposed on one side of the heat sink, so that the heat sink dissipates the heat emitted by the light source module;

The power box is provided on the opposite side of the radiator; and

A first through hole is provided on the mask, and a second through hole is provided on the tail of the power box to form an air flow heat dissipation channel in the lamp.
The lamp according to claim 1, wherein

The light source module includes an LED light source board and a plurality of light sources disposed on the light source board, and the light source board is provided with a through hole so that the airflow heat dissipation channel penetrates.
The luminaire of claim 2, wherein:

The heat sink includes a base and a heat sink formed on the top of the base, the base is also provided with a through hole, and the heat sink surrounds at least a part of the periphery of the power box.
The lamp according to claim 1 or 2, wherein

The power box includes a first power box case located on the side, a second power box case, and a support plate located at the rear. The power module is provided by the first power box case, the second power box case, and the support In the space formed by the board;

The second through hole is provided on the support plate.
The lamp according to claim 4, wherein

A hook or a slot is provided on both sides of the housing of the first power box;

Both sides of the housing of the second power box are provided with a card slot or a card hook adapted to the card hook or a card slot;

The housing of the first power box is snapped into the slot of the housing of the second power box through the hook and connected to the housing of the second power box; or

The second power box casing is connected to the first power box casing through the snap hook into the card slot of the first power box casing.
The lamp according to claim 4, wherein

A plurality of supporting ribs corresponding to positions are provided inside the first power box casing and the second power box casing, and the power module is fixed in the power box through the plurality of supporting ribs.
The light fixture according to claim 3, wherein the light fixture further comprises a reflector, the reflector is in the shape of an inverted bowl, and both ends of the reflector are connected;

The heat sink is connected to the top of the reflector through the base, the bottom surface of the base is located in the reflector, and the heat sink extends from the top of the reflector outside the reflector.
The luminaire of claim 3, wherein

The center lines of the first through holes, the through holes on the heat sink, the through holes on the light source board, and the second through holes are on one axis.
The lamp according to claim 7, wherein

The face mask includes a frosted face mask or a diffused face mask doped with diffuse particles. A part of the light emitted by the light source module is directly emitted through the face mask, and the other part is projected onto the reflector and then emitted.
The lamp according to claim 7, wherein

The mask further includes an optical lens, and part of the light emitted by the light source module is directly emitted through the mask, and the other part is projected to the reflector and then emitted.