CN209991324U

CN209991324U - Down lamp

Info

Publication number: CN209991324U
Application number: CN201920836705.5U
Authority: CN
Inventors: 曾庆光; 温晓良; 侯守强
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-24
Anticipated expiration: 2029-06-04

Abstract

The utility model is suitable for an illumination technology field provides a down lamp, include: a face ring; the radiator is sleeved in the surface ring; the DOB photoelectric assembly is arranged in the radiator and comprises a substrate, a light source, a driving circuit and a terminal, wherein the light source, the driving circuit and the terminal are arranged on the substrate; and the lamp holder assembly comprises a lamp holder and a connecting wire, one end of the connecting wire is connected with the lamp holder, and one end of the connecting wire, which is far away from the lamp holder, sequentially penetrates through the surface ring and the radiator and then is spliced with the terminal and electrically connected with the terminal. The utility model discloses a DOB photoelectric component + radiator's design mode, the connecting wire pass behind the radiator with DOB photoelectric component on the terminal peg graft and electric connection, and then for the light source switch-on commercial power, saved independent drive box, not only make the photoelectricity overall arrangement accord with the ann rule requirement, simplified the design moreover, reduced spare part quantity to improved production efficiency, also greatly reduced the cost of whole lamp, make the product can occupy the market very fast, obtain customer's recognition.

Description

Down lamp

Technical Field

The utility model relates to the field of lighting technology, in particular to down lamp.

Background

The down lamp is a lighting lamp embedded in a ceiling and emitting light downward. The concealed lamp embedded in the ceiling projects all light downwards, belongs to direct light distribution, and can obtain different light effects by using different reflectors, lenses, shutters and bulbs. The down lamp does not occupy space, soft atmosphere of the space can be increased, and if people want to create a warm feeling, a plurality of down lamps can be installed in a trial mode, so that space oppression is relieved. The down lamp is widely applied to emphases such as markets, hospitals, schools, supermarkets, office places, high-grade houses and the like, is used for highlight illumination, brightens and beautifies the environment, and also adds colors to lives.

However, the existing down lamp needs an independent driving box to drive the light source, and has a complex structure, a large number of parts, low production efficiency and high production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a down lamp, the present down lamp that aims at solving leads to the technical problem that the structure is complicated, production efficiency is low and manufacturing cost is high because of the independent drive box of needs design.

The utility model discloses a realize like this, a down lamp, include:

a face ring;

the radiator is sleeved in the surface ring;

the DOB photoelectric component is arranged in the radiator and comprises a substrate, a light source, a driving circuit and a terminal, wherein the light source, the driving circuit and the terminal are arranged on the substrate; and

the lamp holder assembly comprises a lamp holder and a connecting wire, one end of the connecting wire is connected with the lamp holder, one end of the connecting wire far away from the lamp holder sequentially penetrates through the face ring and the radiator and then is connected with the terminal in an inserting mode and in electric connection.

In an embodiment of the present invention, the terminal includes a plastic shell and two metal cards, one end of the plastic shell is provided with a boss, two first openings are formed in the boss, two mounting grooves are formed at the other end of the plastic shell, the mounting grooves are in one-to-one correspondence with the first openings and are communicated with each other, each metal card has one end held in the corresponding mounting groove, and the other end is used for electrically connecting with the substrate.

In an embodiment of the present invention, the metal card is accommodated in the mounting groove, and includes a first side portion and a second side portion, which are tightly attached to two opposite side walls of the mounting groove, a first abutting portion extending inward from one end of the first side portion close to the bottom wall of the mounting groove toward the direction away from the bottom wall of the mounting groove, and a second abutting portion extending inward from one end of the second side portion close to the bottom wall of the mounting groove toward the direction away from the bottom wall of the mounting groove, and a trumpet-shaped through hole is enclosed between the first abutting portion and the second abutting portion.

In an embodiment of the present invention, the first side portion is provided with a first elastic protruding portion protruding in a direction of the first abutting portion, and the second side portion is provided with a second elastic protruding portion protruding in a direction of the second abutting portion.

In an embodiment of the present invention, each of the metal cards further includes a third side portion connected between the first side portion and the second side portion and disposed adjacent to the side wall of the mounting groove, and a welding portion connected to the third side portion and used for welding the substrate.

In an embodiment of the present invention, two solder joint limiting grooves are further formed at one end of the plastic shell away from the boss, and the soldering portion is partially accommodated in the corresponding solder joint limiting groove.

In an embodiment of the present invention, the first side portion, the second side portion, the third side portion, the first abutting portion, the second abutting portion, the first elastic protruding portion, the second elastic protruding portion, and the welding portion are integrally formed.

In an embodiment of the present invention, a first through hole is formed on the heat sink, a position-limiting member is installed in the first through hole, two second openings corresponding to the first openings in a one-to-one manner are formed at one end of the position-limiting member, an insertion groove communicating with the second openings is formed at the other end of the position-limiting member, and the boss is inserted into the insertion groove.

In an embodiment of the present invention, the heat sink is further provided with a wire pressing member for pressing the connecting wire.

In an embodiment of the present invention, the down lamp further includes a reflective cup installed in the heat sink, and a light-transmitting cover installed in the reflective cup.

Implement the utility model discloses a down lamp has following beneficial effect at least: the design mode of the DOB photoelectric component and the radiator is adopted, the connecting wire of the lamp holder component penetrates through the radiator and then is connected with the terminal on the DOB photoelectric component in an inserting mode and electrically connected, and then the commercial power is connected with the light source, an independent driving box is omitted, the photoelectric layout meets the safety requirement, the design is simplified, the number of parts is reduced, the production efficiency is improved, the cost of the whole lamp is greatly reduced, the product can quickly occupy the market, and the product can be accepted by customers.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a down lamp according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a down lamp according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a lamp head assembly of a down lamp provided by an embodiment of the present invention;

fig. 4 is a schematic view of a partial explosion structure of a down lamp provided by an embodiment of the present invention;

fig. 5 is a schematic perspective view of a terminal of a down lamp according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a plastic housing of a down lamp according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a metal card of a down lamp provided by an embodiment of the present invention;

fig. 8 is a schematic perspective view of a limiting member of a down lamp according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a limiting part of a down lamp provided by the embodiment of the present invention.

Reference numerals referred to in the above figures are detailed below:

10-face ring; 11-a second via; 20-a radiator; 21-a limit piece; 211-second opening; 212-a plug groove; 22-a crimping piece; a 30-DOB photovoltaic element; 31-a substrate; 32-a light source; 33-a terminal; 331-a plastic shell; 3311-boss; 3312-first opening; 3313-mounting groove; 3314-welding spot limiting groove; 332-metal card; 3320-trumpet-shaped through-holes; 3321-first side portion; 3322-second side portion; 3323-first abutment; 3324-a second abutment; 3325-first resilient tab; 3326-second resilient tab; 3327-third side portion; 3328-weld; 40-a lamp head assembly; 41-lamp cap; 42-connecting lines; 50-a light reflecting cup; 60-a light-transmitting cover; 70-spring mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1 to 4, a down lamp according to an embodiment of the present invention includes a surface ring 10, a heat sink 20, a dob (driver on board) optoelectronic device 30, and a lamp head device 40. Wherein, the radiator 20 is sleeved in the surface ring 10; a DOB optoelectronic component 30 disposed within the heat sink 20, the DOB optoelectronic component 30 including a substrate 31, and a light source 32, a driving circuit, and terminals 33 disposed on the substrate 31; the lamp cap assembly 40 includes a lamp cap 41 and a connection wire 42, one end of the connection wire 42 is connected to the lamp cap 41, and one end of the connection wire 42 away from the lamp cap 41 sequentially penetrates through the surface ring 10 and the heat sink 20 and then is plugged into the terminal 33 and electrically connected thereto.

In the present embodiment, the face ring 10 is substantially cylindrical, and may be formed by connecting a plurality of cylindrical bodies having different diameters, and the face ring 10 is made of a metal material, and has one end closed and the other end opened; the radiator 20 is approximately bowl-shaped, one end of the radiator is closed, the other end of the radiator is provided with an opening, the radiator 20 is arranged in the face ring 10 from the opening of the face ring 10, and the radiator 20 is made of metal materials so as to be convenient for radiating; the DOB optoelectronic component 30 is mounted to the bottom of the heat sink 20.

In the DOB optoelectronic module 30, the light source 32 may be an LED light source, and the LED light source and the driving circuit are disposed on the same substrate 31, so that an independent driving box can be omitted, and the number of components can be reduced. The LED light sources are arranged on the substrate 31 according to a certain rule, and may be connected in series or in parallel, and the types of the LED light sources include, but are not limited to, 2835, 3030, 5050, 5630, and 3014. Further, electronic components and the like are provided on the substrate 31, and will not be described in detail here. Wherein, light source 32 plays the light-emitting effect, and electronic components makes light source 32 luminous after passing through lamp holder subassembly 40 and terminal 33 access commercial power according to circuit layout, and then plays the illumination effect.

The lamp head assembly 40 may include two connection lines 42, one of which is used as a positive line and the other is used as a negative line, and the two connection lines 42 are inserted into and electrically connected to the terminals 33 after passing through the surface ring 10 and the heat sink 20, respectively.

In the embodiment, a design mode of the DOB photoelectric component 30+ the radiator 20 is adopted, the connection line 42 of the lamp cap component 40 penetrates through the radiator 20 and then is connected with the terminal 33 on the DOB photoelectric component 30 in an inserting mode and electrically connected, and then the light source 32 is connected with the mains supply, an independent driving box is omitted, so that the photoelectric layout meets the safety requirements, the design is simplified, the number of parts is reduced, the production efficiency is improved, the cost of the whole lamp is greatly reduced, the product can quickly occupy the market, and the product can be recognized by customers.

Referring to fig. 5-7, in one embodiment of the present invention, the terminal 33 includes a plastic housing 331 and two metal cards 332. Wherein, one end of the plastic shell 331 is provided with a boss 3311, the boss 3311 is internally provided with two first openings 3312, the other end of the plastic shell 331 is provided with two mounting grooves 3313, the mounting grooves 3313 and the first openings 3312 are in one-to-one correspondence and are communicated with each other, one end of each metal card 332 is accommodated in the corresponding mounting groove 3313, and the other end is used for electrically connecting with the substrate 31. The two connection wires 42 of the lamp head assembly 40 sequentially pass through the surface ring 10 and the heat sink 20 and then are inserted into the corresponding metal card 332 located in the mounting groove 3313 and electrically connected to the corresponding metal card 332, so as to electrically connect the lamp head 41 and the substrate 31, and electrically connect the light source 32 and the substrate 31, thereby electrically connecting the lamp head 41 and the light source 32, and enabling the lamp head 41 to access the commercial power for the light source 32.

In this embodiment, the substrate 31 is an aluminum substrate, the terminal 33 is soldered on the substrate 31 by reflow soldering, the plastic housing 331 is formed by an injection molding process of insulating plastic, and the first opening 3312 may be a circular hole. The terminals 33 of the present embodiment can be electrically connected by plugging the connecting wires 42, so that the wire bonding operation is omitted, and the rapid automatic production can be realized.

In one embodiment of the present invention, the end of the metal card 332 that is mounted within the mounting slot 3313 includes a first side portion 3321, a second side portion 3322, a first abutment portion 3323, and a second abutment portion 3324. The first side portion 3321 and the second side portion 3322 are disposed closely to two opposite side walls of the mounting groove 3313, that is, the first side portion 3321 and the second side portion 3322 are disposed oppositely, the first abutting portion 3323 is formed by extending an end of the first side portion 3321 close to the bottom wall of the mounting groove 3313 inward in a direction away from the bottom wall of the mounting groove 3313, the second abutting portion 3324 is formed by extending an end of the second side portion 3322 close to the bottom wall of the mounting groove 3313 inward in a direction away from the bottom wall of the mounting groove 3313, that is, the first abutting portion 3323 and the second abutting portion 3324 are disposed oppositely and inclined inward.

In this embodiment, the first abutting portion 3323 and the second abutting portion 3324 are surrounded to form a trumpet-shaped through hole 3320, both ends of the trumpet-shaped through hole 3320 have openings, and the opening size of the end of the trumpet-shaped through hole 3320 close to the first opening 3312 is larger than the opening size of the end of the trumpet-shaped through hole 3312 far away from the first opening 3312, and the end of the connecting wire 42 far away from the lamp holder 41 penetrates through the first opening 3312 and then is inserted into the trumpet-shaped through hole 3320, due to the adoption of the design mode of the trumpet-shaped through hole 3320, so that the connecting wire 42 is not easily pulled out after being inserted into the trumpet-shaped through hole 3320, and the.

In one embodiment of the present invention, a first elastic protrusion 3325 is protruded from the first side portion 3321 toward the first abutting portion 3323, and a second elastic protrusion 3326 is protruded from the second side portion 3322 toward the second abutting portion 3324. In this embodiment, the first elastic protrusion 3325 and the second elastic protrusion 3326 are both elastic, the first elastic protrusion 3325 can prevent the first abutting portion 3323 from springing back and deforming, the second elastic protrusion 3326 can prevent the second abutting portion 3324 from springing back and deforming, and the first elastic protrusion 3325 and the second elastic protrusion 3326 are used in cooperation with the trumpet-shaped through hole 3320, so that the connection wire 42 can be ensured not to be pulled out after being inserted, and the first abutting portion 3323 and the second abutting portion 3324 are not easily deformed after the connection wire 42 is inserted into the terminal 33, so that the phenomenon that the wire pressing effect is lost due to the reduction of the wire pressing pressure does not occur.

In one embodiment of the present invention, each metal card 332 further includes a third side portion 3327 and a weld portion 3328. The third side portion 3327 is connected between the first side portion 3321 and the second side portion 3322 and is disposed to closely adhere to the sidewall of the mounting groove 3313, that is, the first side portion 3321, the third side portion 3327 and the second side portion 3322 are sequentially connected and disposed along the sidewall of the mounting groove 3313; the soldering portion 3328 is connected to the third side portion 3327 and is used for soldering with the substrate 31, thereby achieving electrical connection with the substrate 31. In this embodiment, the welding portion 3328 is connected to an end of the third side portion 3327 away from the bottom wall of the mounting groove 3313 and extends along the surface of the plastic housing 331 to the outside of the plastic housing 331, and in practical applications, the portion of the welding portion 3328 extending to the outside of the plastic housing 331 is used for welding to the substrate 31.

In an embodiment of the present invention, two solder bump limiting grooves 3314 are further formed at an end of the plastic housing 331 away from the boss 3311, and the soldering portion 3328 is partially received in the corresponding solder bump limiting groove 3314. In this embodiment, the solder bump stopper 3314 extends along the length of the plastic housing 331 and extends to the end face of the plastic housing 331.

In one embodiment of the present invention, the first side portion 3321, the second side portion 3322, the third side portion 3327, the first abutting portion 3323, the second abutting portion 3324, the first elastic protrusion portion 3325, the second elastic protrusion portion 3326, and the welding portion 3328 are integrally formed, so as to simplify the structure and save the cost. In a particular application, the metal card 332 is integrally formed using a stamping and forming process.

Referring to fig. 8 and 9, in an embodiment of the present invention, a first through hole is formed on the heat sink 20, a limiting member 21 is installed in the first through hole, the limiting member 21 corresponds to a boss 3311 of the plastic housing 331, two second openings 211 corresponding to the first openings 3312 one to one are formed at one end of the limiting member 21, an insertion groove 212 communicating with the second openings 211 is formed at the other end of the limiting member 21, and the boss 3311 is inserted into the insertion groove 212. In this embodiment, the limiting member 21 is made of plastic, and the connecting wire 42 of the lamp cap assembly 40 is inserted into the terminal 33 after passing through the second opening 211 of the limiting member 21, so as to achieve electrical conduction. In a specific application, a second through hole 11 is opened on the surface ring 10, and the second through hole 11 is used for the connection line 42 to pass through.

Referring to fig. 4, in an embodiment of the present invention, a wire pressing member 22 is further disposed on the heat sink 20, and the wire pressing member 22 is used for pressing the connecting wire 42. In the present embodiment, since the limiting member 21 is disposed at the edge position of the bottom of the heat sink 20, and the connection line 42 is disposed at the middle position of the bottom of the heat sink 20 after passing through the face ring 10, a wire pressing member 22 needs to be disposed at the middle position of the bottom of the heat sink 20 to press the connection line 42, and a through hole for passing the connection line 42 is formed in the wire pressing member 22. In a specific application, the wire-crimping members 22 are made of a soft material, which are fixed to the bottom of the heat sink 20 by screws.

Referring to fig. 1, 2 and 4, in an embodiment of the present invention, the down lamp further includes a reflective cup 50, a transparent cover 60 and a spring mechanism 70. The reflective cup 50 is mounted in the heat sink 20, the transparent cover 60 is mounted in the reflective cup 50 and fixed by a buckle in the reflective cup 50, and the reflective cup 50 and the transparent cover 60 are mounted together in the heat sink 20 and fixedly connected with the heat sink 20 by a screw. A spring mechanism 70 is mounted to the back of the face ring 10, the spring mechanism 70 being used to mount the downlight to the ceiling, and the specific structure thereof will not be described in detail herein.

The above description is only an alternative embodiment of the present invention, and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A downlight, comprising:

a face ring;

the radiator is sleeved in the surface ring;

2. The tube lamp according to claim 1, wherein the terminal comprises a plastic housing and two metal clamping pieces, a boss is arranged at one end of the plastic housing, two first openings are formed in the boss, two mounting grooves are formed at the other end of the plastic housing, the mounting grooves correspond to the first openings one by one and are communicated with each other, one end of each metal clamping piece is accommodated in the corresponding mounting groove, and the other end of each metal clamping piece is electrically connected with the substrate.

3. The downlight of claim 2, wherein the end of the metal card received in the mounting slot comprises a first side portion and a second side portion disposed in close proximity to two opposite side walls of the mounting slot, a first abutting portion extending inward from an end of the first side portion close to the bottom wall of the mounting slot in a direction away from the bottom wall of the mounting slot, and a second abutting portion extending inward from an end of the second side portion close to the bottom wall of the mounting slot in a direction away from the bottom wall of the mounting slot, wherein a trumpet-shaped through hole is defined between the first abutting portion and the second abutting portion.

4. A downlight according to claim 3, wherein the first side portion is provided with a first resilient projection projecting in the direction of the first abutment portion, and the second side portion is provided with a second resilient projection projecting in the direction of the second abutment portion.

5. The downlight of claim 4, wherein each metal card further comprises a third side portion connected between the first side portion and the second side portion and disposed adjacent to the side wall of the mounting groove, and a welding portion connected to the third side portion and configured to be welded to the base plate.

6. The down lamp according to claim 5, wherein one end of the plastic shell, which is far away from the boss, is further provided with two welding spot limiting grooves, and the welding part is accommodated in the corresponding welding spot limiting groove.

7. The downlight of claim 5, wherein the first side, the second side, the third side, the first abutment, the second abutment, the first resilient projection, the second resilient projection, and the weld are integrally formed.

8. The downlight according to any one of claims 2 to 7, wherein the heat sink is provided with a first through hole, the first through hole is provided with a limiting member, one end of the limiting member is provided with two second openings corresponding to the first openings one to one, the other end of the limiting member is provided with an insertion groove communicated with the second openings, and the boss is inserted into the insertion groove.

9. A downlight according to any one of claims 1 to 7 wherein the heat sink is further provided with a wire pressing member for pressing the connecting wire.

10. A downlight according to any one of claims 1 to 7 further comprising a reflective cup mounted within the heat sink, and a light transmissive cover mounted within the reflective cup.