WO2020228315A1

WO2020228315A1 - Varifocal par lamp and implementing method thereof

Info

Publication number: WO2020228315A1
Application number: PCT/CN2019/124987
Authority: WO
Inventors: 药左红; 胡太荣; 陈亮
Original assignee: 横店集团得邦照明股份有限公司
Priority date: 2019-05-15
Filing date: 2019-12-13
Publication date: 2020-11-19
Also published as: CN110030516A

Abstract

Provided are a varifocal PAR lamp and implementing method thereof, comprising a housing (1), a lamp holder (2) is connected to the bottom of the housing (1), a driving circuit (3) is arranged inside the housing (1), a radiating seat (4) is arranged inside the housing (1), a COB light source holder (5) is connected inside the radiating seat (4), a COB light source (6) is arranged in the COB light source holder (5) and is connected with the driving circuit (3), a lens holder (7) and the COB light source holder (5) can move up and down relative to each other, a lens (8) is arranged in the lens holder (7), the upper portion of the lens (8) is connected with a lens fixing ring (9). The lamp has the features of simple structure, low manufacture cost, simple focus variation means of the same lamp, good heat-dissipating property, and the like.

Description

A zoom PAR lamp and its realization method

Technical field

The invention relates to spotlight technology, in particular to a zoom PAR lamp and an implementation method thereof.

Background technique

At present, the global market has an increasing demand for spotlights, not only for commercial lighting, but also for household lighting. The demand for spotlights is increasing. People's needs for lighting have gradually changed from simple lighting needs. In order to diversify, more and more spotlights are used to set off the atmosphere of the family environment. At present, the PAR lamp products on the market are basically one lamp and one angle. If there are two angles, two lamps are needed. When using two angles, you can only buy one more angle product. In addition, the heat dissipation materials used in products with the same lumen and the same CRI on the market are all die-cast aluminum, and the surface needs to be sprayed. Not only is the material cost high, but the surface spraying cost is also high. Therefore, the following technical problems exist in the prior art:

(1) The angle of the same lamp cannot be adjusted;

(2) The zoom method is not good, the structure is complicated, and the production cost is high;

(3) High lumens and high cost of heat dissipation.

Summary of the invention

The purpose of the present invention is to overcome the shortcomings of the above prior art, and provide a zoom PAR lamp with simple structure, low cost, simple zoom mode of the same lamp and good heat dissipation.

Another object of the present invention is to provide a method for implementing the zoom PAR lamp.

In order to achieve the above objective, the present invention adopts the following technical solutions: a zoom PAR lamp, comprising a lamp housing, the bottom of the lamp housing is connected to the lamp holder, the lamp housing is provided with a driving circuit, a heat sink is also provided in the lamp housing, and the heat sink is connected with COB light source fixing seat, COB light source is arranged in the COB light source fixing seat, the COB light source is connected with the driving circuit, the lens fixing seat and the COB light source fixing seat form a relative up and down movement setting, the lens is arranged in the lens fixing seat, and the upper part of the lens is connected with the lens fixing ring.

The COB light source fixing seat includes a COB light source fixing seat body, the middle of the COB light source fixing seat body is provided with a first convex part, the first convex part is provided with a COB light source mounting part for COB light source installation, and the COB light source fixing seat body is provided with two There are more than one vertical column, and the vertical column is provided with a boss.

The COB light source fixing base body has a circular structure, and the COB light source fixing base body is evenly distributed with 3 longitudinal columns around the periphery.

The lens fixing base includes a lens fixing base body, the lens fixing base body is provided with a through groove matching with the boss obliquely upward, and the lens fixing base body is provided with a first buckle connected with the lens.

The lens includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle of the lens mounting body is provided with a convex lens body with two concave sides. The lens body includes a light source that projects light into the lens body. The light surface has a light-emitting surface where the light in the lens body refracts the light-emitting surface of the lens body, and a reflective surface used to reflect part of the light entering the body from the light-receiving surface to the light-emitting surface; under the lens is a COB light source.

The lens fixing ring has a ring structure, and a plurality of lens fixing ring buckles connected with the lens mounting body are provided on the circumference of the inner ring.

A tooth-shaped part is arranged in the through groove, and two ends of the through groove are provided with fixing holes.

The lower part of the through groove has a hollow structure.

The implementation method of the aforementioned zoom PAR light includes the following steps:

(1) Turn on the power, the COB light source emits light, the light from the COB light source is projected into the light-receiving surface of the lens, the light in the lens is refracted out of the light-emitting surface of the lens, and part of the light used to enter the light-receiving surface into the lens is reflected The reflective surface to the light emitting surface;

(2) The lens moves axially with respect to the COB of the light source, and the movement stroke is fixed. Before and after the axial movement of the lens, the beam angles of the light beams from the two top end light exit surfaces of the movement stroke are correspondingly larger and smaller;

(3) When the light source COB and the lens are relatively far away, the light-emitting angle is 25 degrees; when the light source COB and the lens are relatively close, the light-emitting angle is 40 degrees, and the angle range can be switched between 40 degrees and 25 degrees. The conversion of two angles of the same lamp.

In the steps (1) to (3), the COB light source fixing base includes a COB light source fixing base body, the COB light source fixing base body is provided with a first convex part in the middle, and a COB light source mounting part for installing the COB light source is provided on the first convex part , The COB light source fixing base body is provided with more than two longitudinal uprights around the body, and the longitudinal uprights are provided with bosses; the COB light source fixing base body is a circular structure, and the COB light source fixing base body is evenly distributed with 3 longitudinal uprights around the body; The COB light source fixing base includes a COB light source fixing base body, the COB light source fixing base body is provided with a through groove matching with the boss obliquely upward, and the COB light source fixing base body is provided with a first buckle connected with the lens; the lens includes Lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a convex lens body with two concave sides. The lens body includes a light-receiving surface through which light from a light source is projected into the lens body. The light in the lens body refracts the light exit surface of the lens body, and the reflecting surface used to reflect part of the light entering the body from the light collection surface to the light exit surface; below the lens is a COB light source; the lens fixing ring is a ring structure with an inner A plurality of lens fixing ring buckles connected with the lens mounting body are arranged on the ring circumference; a tooth-like part is arranged in the through groove, and fixing holes are arranged at both ends of the through groove; the lower part of the through groove is a hollow structure.

Compared with the prior art, the present invention has the following advantages and effects:

1. The present invention includes a lamp housing, the bottom of the lamp housing is connected to a lamp cap, a driving circuit is provided inside the lamp housing, a heat sink is also provided in the lamp housing, a COB light source fixing base is connected to the heat sink, and a COB light source is arranged in the COB light source fixing base. The COB light source is connected to the drive circuit, the lens holder and the COB light source holder form a relative up and down movement setting, the lens holder is arranged in the lens holder, and the upper part of the lens is connected with the lens holder ring. It has simple structure, low cost, simple zoom method of the same lamp and heat dissipation. Good sex and other characteristics.

2. The COB light source fixing base in the present invention includes a COB light source fixing base body, the middle of the COB light source fixing base body is provided with a first convex part, the first convex part is provided with a COB light source mounting part for installing a COB light source, and a COB light source fixing base Two or more longitudinal uprights are arranged around the main body, and the longitudinal uprights are provided with bosses; the structure is simple, the axial movement is realized, and the zoom can be performed.

3. The lens holder in the present invention includes a lens holder body, the lens holder body is provided with a through groove matching with the boss obliquely upwards, and the lens holder body is provided with a first buckle connected with the lens; To move, the buckle connection method is simple, and the assembly is convenient.

4. The lens of the present invention includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a lens body with a convex and concave sides. The lens body includes a light source for light projection. The light-receiving surface of the lens body has a light-emitting surface that refracts light from the lens body and a reflective surface that reflects part of the light entering the body from the light-receiving surface to the light-emitting surface; below the lens is a COB light source; The angle range is switched between 40 degrees and 25 degrees. In order to achieve the conversion of two angles of the same lamp, this greatly reduces the user's purchase cost and covers the needs of two user scenarios.

5. The lens holder of the present invention can rotate and expand along the axis of the product with the light source fixing seat; the lens holder and the lens ring clamp the lens and use a buckle connection to achieve a fixed connection, and the lens ring is grasped by fingers to rotate the lens clockwise or counterclockwise The ring realizes telescopic movement to achieve the purpose of driving the lens to perform axial telescopic movement; the lens holder is connected to the three-section spiral tooth groove on the light source fixing seat through three circular protrusions on the body, and through three circular protrusions The spiral movement in the spiral tooth groove realizes the telescopic movement; the light source is pressed and fitted on the heat sink through the light source fixing seat, and the lens covers the light source. The overall structural components of this scheme are easy to assemble, simple to operate, and high in production efficiency.

6. The present invention uses a thermally conductive plastic shell without spraying. The internal matching 1060 pure aluminum material only needs to be cleaned. Compared with similar products, the die-cast aluminum is light in weight, low in price, cheap in processing costs, and also saves the cost of surface spraying. The lamp has low power and high lumens, more energy saving and consumption reduction; and it has high assembly efficiency, simple operation, high production efficiency, high material qualification rate, and low process control cost. It is better than the same type of products on the market in all aspects, and is extremely popular with customers. , Which is conducive to sustainable development.

Description of the drawings

Figure 1 is a schematic diagram of the explosive structure of a zoom PAR lamp;

2 is a schematic diagram of the connection structure between the COB light source fixing seat and the lens fixing seat in the present invention;

Figure 3 is a schematic diagram of the structure of the COB light source fixing seat in the present invention;

Fig. 4 is a schematic diagram of the structure of the lens holder in the present invention;

5 is a schematic diagram of the structure of the lens in the present invention;

6 is a schematic diagram of the structure when the light-emitting angle is 25 degrees in the present invention;

FIG. 7 is a schematic diagram of the structure when the light-emitting angle is 40 degrees in the present invention.

The labels and names in the figure are as follows:

11	灯壳 Lamp housing	22	灯头 Lamp holder
33	驱动电路 Drive circuit	44	散热座 Heat sink
55	COB光源固定座COB light source mount	66	COB光源COB light source
77	透镜固定座 Lens mount	88	透镜 lens
99	透镜固定环 Lens fixing ring	1010	COB光源固定座本体COB light source holder body
1111	第一凸部 First protrusion	1212	COB光源安装部COB light source installation department
1313	纵向立柱 Longitudinal column	1414	凸台 Boss
1515	透镜固定座本体 Lens holder body	1616	通槽Through slot
1717	第一卡扣 First buckle	1818	透镜安装体 Lens mount
1919	中空结构 Hollow structure	2020	透镜固定环卡扣Lens fixing ring buckle
21twenty one	齿状部Dentate	22twenty two	固定孔Fixing hole
23twenty three	透镜本体Lens body	To	To

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

Example 1:

As shown in Figures 1-7, a zoom PAR lamp includes a lamp housing, the bottom of the lamp housing is connected to a lamp holder, a drive circuit is provided inside the lamp housing, a heat sink is also provided in the lamp housing, and a COB light source fixing seat is connected to the heat sink , The COB light source is arranged in the COB light source fixing seat, the COB light source is connected with the driving circuit, the lens fixing seat and the COB light source fixing seat form a relative up and down movement setting, the lens is arranged in the lens fixing seat, and the upper part of the lens is connected with the lens fixing ring. The driving circuit in this embodiment is built-in, adopting the 18W non-isolated driving QX9911 produced by Shenzhen Lijiasheng Electronics Co., Ltd., and the COB light source adopts the SP16 COB light source produced by Jinko Factory.

As shown in Figures 1 to 3, the COB light source fixing base in this embodiment includes a COB light source fixing base body, the middle of the COB light source fixing base body is provided with a first convex part, and the first convex part is provided with a COB light source mounted with the COB light source In the installation part, there are more than two vertical columns around the body of the COB light source fixing base, and there are bosses on the vertical columns; the body of the COB light source fixing base has a circular structure, and there are 3 longitudinal columns evenly distributed around the body of the COB light source fixing base.

As shown in Figure 4, the lens holder in this embodiment includes a lens holder body, the lens holder body is provided with a through groove matching the boss obliquely upward, and the lens holder body is provided with a first lens connected to the lens. A buckle; a toothed part is arranged in the through groove, and two ends of the through groove are provided with fixing holes; the lower part of the through groove is a hollow structure.

As shown in Figure 5, the lens in this embodiment includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a convex lens body with two concave sides. The lens body includes The light from the light source is projected into the light-receiving surface of the lens body, the light in the lens body is refracted out of the light-emitting surface of the lens body, and the reflecting surface used to reflect part of the light from the light-receiving surface into the body to the light-emitting surface; under the lens is COB light source.

The lens fixing ring in this embodiment has a ring structure, and a plurality of lens fixing ring buckles connected with the lens mounting body are provided on the circumference of the inner ring.

The specific assembly method of this embodiment:

The lens holder is fastened to the lens by a buckle. The lens holder is connected and fixed with three bosses on the COB light source holder through three through grooves. The COB light source is attached to the heat sink and passes through the COB light source through screws. The fixing seat is locked on the radiating seat and pressed and fixed, the radiating seat is installed in the shell, and the drive circuit is installed in the shell, and the shell is screwed and riveted with the lamp cap through the thread. The lens holder can rotate and retract along the axis of the product with the COB light source holder; the lens holder and the lens holder ring clamp the lens and use 3 sets of buckle connections to realize the fixed connection. Grasp the lens holder ring clockwise or counterclockwise by fingers Rotate the lens fixing ring in the clockwise direction to achieve expansion and contraction, so as to drive the lens to make axial expansion and contraction; the lens fixing seat is connected to the light source fixing seat through the three-section spiral tooth groove on the body (with toothed part through groove) The three circular bosses are connected, and the telescopic movement is realized by the spiral movement of the three circular bosses in the spiral tooth groove. The COB light source is pressed and fitted on the heat sink through the light source fixing seat, and the lens covers the COB light source.

(3) As shown in Figures 6-7, when the light source COB is relatively far away from the lens, the light-emitting angle is 25 degrees; 60% of the light emitted by the light source radiates to the cup-shaped reflective walls on both sides, and the reflected light forms an illumination angle Small, forming a beam angle of 25 degrees; when the light source COB and the lens are relatively close, the light-emitting angle is 40 degrees, 70% of the light emitted by the light source is concentrated upward, and the light is refracted through the middle to form a large irradiation angle, forming a 40-degree beam angle; The angle range can be switched between 40 degrees and 25 degrees, which can realize the conversion of two angles of the same lamp.

Example 2:

The difference between this embodiment and embodiment 1 is that the COB light source fixing seat in this embodiment is provided with two longitudinal columns around the body, and they are arranged symmetrically; the shell adopts a thermally conductive plastic shell without spraying, and the interior is matched with 1060 pure aluminum material. It only needs to be cleaned. Compared with similar products, the die-cast aluminum is light in weight, low in price, and cheap in processing costs. It also saves the cost of surface spraying. The single lamp has low power and high lumen.

The above-mentioned specific implementations are preferred embodiments of the present invention and do not limit the present invention. Any other changes or other equivalent replacement methods that do not deviate from the technical solutions of the present invention are included in the protection scope of the present invention. within.

Claims

A zoom PAR lamp, which is characterized in that it comprises a lamp shell, the bottom of the lamp shell is connected with a lamp cap, a drive circuit is arranged inside the lamp shell, a heat sink is also arranged in the lamp shell, a COB light source fixing base is connected to the heat sink, and the COB light source is fixed A COB light source is arranged in the seat, the COB light source is connected with the driving circuit, the lens fixing seat and the COB light source fixing seat form a relative up and down movement arrangement, the lens is arranged in the lens fixing seat, and the upper part of the lens is connected with the lens fixing ring.
The zoom PAR lamp according to claim 1, wherein the COB light source fixing seat includes a COB light source fixing seat body, the COB light source fixing seat body is provided with a first convex part in the middle, and the COB light source is provided on the first convex part In the installed COB light source installation part, two or more longitudinal columns are arranged around the body of the COB light source fixing seat, and a boss is provided on the longitudinal columns.
The zoom PAR lamp according to claim 2, characterized in that: the COB light source fixing base body has a circular structure, and the COB light source fixing base body is evenly distributed with 3 longitudinal columns around its periphery.
The zoom PAR lamp according to claim 2, characterized in that: the lens holder includes a lens holder body, the lens holder body is provided with a through groove matching the boss obliquely upward, and the lens holder body is provided with The first buckle connected with the lens.
The zoom PAR lamp according to claim 4, characterized in that: the lens includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a convex and two concave sides. Lens body, the lens body includes a light-receiving surface where light from a light source is projected into the lens body, a light-emitting surface where light from the lens body refracts out of the lens body, and a reflection used to reflect part of the light from the light-receiving surface into the body to the light-emitting surface Surface; under the lens is the COB light source.
The zoom PAR lamp according to claim 5, wherein the lens fixing ring has a ring structure, and a plurality of lens fixing ring buckles connected with the lens mounting body are provided on the circumference of the inner ring.
The zoom PAR lamp according to claim 4, characterized in that: the through groove is provided with a toothed part, and two ends of the through groove are provided with fixing holes.
The zoom PAR lamp according to claim 4, characterized in that: the lower part of the through groove is a hollow structure.
The method for implementing a zoom PAR lamp according to any one of claims 1 to 8, characterized in that it comprises the following steps:

(1) Turn on the power, the COB light source emits light, the light from the COB light source is projected into the light-receiving surface of the lens, the light in the lens is refracted out of the light-emitting surface of the lens, and part of the light used to enter the light-receiving surface into the lens is reflected The reflective surface to the light emitting surface;

(2) The lens moves axially with respect to the COB of the light source, and the movement stroke is fixed. Before and after the axial movement of the lens, the beam angles of the light beams from the two top end light exit surfaces of the movement stroke are correspondingly larger and smaller;

(3) When the light source COB and the lens are relatively far away, the light-emitting angle is 25 degrees; when the light source COB and the lens are relatively close, the light-emitting angle is 40 degrees, and the angle range can be switched between 40 degrees and 25 degrees. The conversion of two angles of the same lamp.
The method for realizing a zoom PAR lamp according to claim 9, characterized in that: in the steps (1) to (3), the COB light source fixing seat includes a COB light source fixing seat body, and the COB light source fixing seat body is provided with a first The convex part, the first convex part is provided with a COB light source mounting part for installing the COB light source, two or more longitudinal columns are arranged around the body of the COB light source fixing seat, and the longitudinal pillars are provided with bosses; the COB light source fixing seat body is circular Structure, the COB light source fixing base body is evenly distributed with 3 vertical columns around the body; the COB light source fixing base includes the COB light source fixing base body, the COB light source fixing base body is provided with a through groove matching with the boss obliquely upwards, and the COB light source is fixed The seat body is provided with a first buckle connected with the lens; the lens includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle matched with the lens fixing ring, and the middle of the lens mounting body is provided with a convex lens on both sides The body, the lens body includes a light-receiving surface through which light from the light source is projected into the lens body, a light-emitting surface where light from the lens body is refracted out of the lens body, and a reflective surface for reflecting part of the light from the light-receiving surface into the body to the light-emitting surface Below the lens is the COB light source; the lens fixing ring is a ring structure, and a number of lens fixing ring buckles connected to the lens mounting body are arranged on the circumference of the inner ring; the through groove is provided with a toothed part, the through groove Both ends are provided with fixing holes; the lower part of the through groove is a hollow structure.