CN207146080U - Lighting device - Google Patents

Abstract

The utility model discloses a lighting device, which comprises a lamp body, an insulating cover assembled on one side of the lamp body, a photoelectric module accommodated in the lamp body and the insulating cover, a diffusion mask assembled on the other side of the lamp body and an extension A power cord that enters the insulating cover and is electrically connected to the photoelectric module. The lamp body includes a bottom wall with a through hole and a side wall extending from the edge of the bottom wall. The photoelectric module includes a substrate, and is arranged on the substrate. The light source on one side and the driving power provided on the substrate, the substrate abuts against the bottom wall, and the lighting device also includes a connector connecting the lamp body, the photoelectric module and the insulating cover. Since the LED light source and the driving power are integrated on one substrate, the space of the lighting device is saved, so the lighting device can adapt to the trend of miniaturization. In addition, the number of components in the lighting device is small, so the assembly is convenient and fast, and the assembly cost is low.

Description

lighting device

technical field

The utility model belongs to the technical field of lighting, in particular to a lighting device.

Background technique

Lighting devices currently on the market, such as LED downlights or spotlights widely used in indoor lighting, include a housing, an LED light source installed in the housing, a driving power installed in the housing and connected to the LED light source, and assembled in the housing. On the body, the diffusion mask that seals the LED light source and the driving power supply, and the mounting surface ring installed outside the housing and other components. Because there are too many components in the existing lighting device, the assembly cost of the lighting device is high and the assembly efficiency is low.

In addition, LED downlights or spotlights used for indoor lighting tend to be miniaturized, so the installation space for housing LED light sources and driving power in the lighting device will be relatively limited. Therefore, how to place LEDs in the limited installation space Light source and driving power are also the problems to be solved by the utility model.

Utility model content

The purpose of this utility model is to solve the above problems and provide an illuminating device with convenient installation and compact structure.

In order to achieve the above purpose, the utility model provides a lighting device, which includes a lamp body, an insulating cover assembled on one side of the lamp body, a photoelectric module accommodated in the lamp body and the insulating cover, and an optical module assembled on the other side of the lamp body. A diffusion mask and a power cord extending into the insulating cover and electrically connected to the photoelectric module. The lamp body includes a bottom wall with a through hole and a side wall extending from the edge of the bottom wall. The photoelectric module includes a substrate . A light source provided on one side of the substrate and a driving power supply provided on the substrate, the substrate is in contact with the bottom wall, and the lighting device further includes connecting the lamp body, the photoelectric module and the insulating cover connectors.

Further, the bottom wall is also provided with a first positioning hole located outside the through hole and communicating with the through hole, and the insulating cover is provided with a positioning column that matches the first positioning hole, The base plate is provided with a second positioning hole matched with the positioning column, and the positioning column is provided with a receiving hole for receiving the connecting piece.

Further, the illuminating device further includes a snap spring assembled on the lamp body.

Further, the lighting device further includes a card assembled outside the side wall and a clip spring assembled at one end of the card, and the card and the side wall are fixedly connected by screws.

Further, the lamp body further includes a face ring portion extending horizontally from the free end of the side wall.

Further, the inner surface of the side wall is provided with a slot, and the edge of the diffusion mask is accommodated in the slot.

Further, the insulating cover is provided with a channel, a positioning channel and a clamping arm between the channel and the positioning channel, the power cord extends into the insulating cover through the channel, and the lighting device It also includes a positioning piece accommodated in the positioning groove.

Further, the bottom wall is also provided with a notch located outside the through hole and communicating with the through hole, the base plate is provided with an opening corresponding to the notch and the positioning channel, and the positioning member Pass through the notch and the opening in turn to be accommodated in the positioning groove.

Further, the driving power is arranged on one side or both sides of the substrate.

Further, the lamp body is a metal lamp body, the light source is an LED light source, and the driving power is an LED driving power.

Further, the driving power extends into the insulating cover through the through hole.

In order to achieve the above purpose, the utility model also provides a lighting device, which includes: a lamp body, a photoelectric module, an insulating cover assembled on one side of the lamp body, a diffusion mask assembled on the other side of the lamp body, and an electrical module connected to the photoelectric module. The lamp body includes a bottom wall and a side wall, the bottom wall and the side wall are surrounded to form a first storage space, the insulating cover is provided with a second storage space, and the first storage space communicated with the second storage space, the photoelectric module is at least accommodated in the first storage space and thermally contacts the bottom wall of the lamp body, the lamp body, the photoelectric module and the insulating cover are fixedly connected as One.

Further, the lighting device further includes a connecting piece connecting the lamp body, the photoelectric module and the insulating cover.

Further, the bottom wall is also provided with a first positioning hole located outside the through hole and communicating with the through hole, and the insulating cover is provided with a positioning column that matches the first positioning hole, The base plate is provided with a second positioning hole matched with the positioning column, and the positioning column is provided with a receiving hole for receiving the connecting piece.

Further, the inner surface of the side wall is provided with a slot, and the edge of the diffusion mask is accommodated in the slot.

Further, the photoelectric module includes a substrate, a light source disposed on one side of the substrate, and a driving power source disposed on the substrate, and the substrate contacts the bottom wall.

Further, the bottom wall is provided with a through hole, and the driving power extends into the second receiving space of the insulating cover through the through hole.

Further, the lamp body further includes a face ring portion extending horizontally from the free end of the side wall.

Compared with the prior art, since the LED light source and the driving power are integrated on one substrate, the space of the lighting device is saved. Therefore, the lighting device provided by the utility model can adapt to the trend of miniaturization. In addition, the number of elements in the lighting device provided by the utility model is small, so the assembly is convenient and fast, and the assembly cost is low.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model . In the attached picture:

Fig. 1 is a three-dimensional assembly diagram of a lighting device provided by a preferred embodiment of the present invention;

Fig. 2 is another perspective perspective assembly view of the lighting device provided by the preferred embodiment of the present invention;

Fig. 3 is a partial three-dimensional assembly view of Fig. 1;

Fig. 4 is another three-dimensional assembly view of Fig. 1;

Fig. 5 is a three-dimensional exploded view of Fig. 1;

Fig. 6 is a three-dimensional exploded view of Fig. 2;

Fig. 7 is a sectional view along line A-A in Fig. 1 .

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments of the utility model and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

1 to 7 show a lighting device 100 provided by a preferred embodiment of the present invention. As shown in Figures 1 to 7, the lighting device 100 includes: a metal lamp body 1, a photoelectric module 2 partially or completely accommodated in the metal lamp body 1, installed in the inner metal lamp body 1 and located on the side of the metal lamp body 1. The diffusion mask 3 on the side, the insulating cover 4 assembled on one side of the metal lamp body 1 and fixedly connected with the metal lamp body 1, the power cord 5 electrically connected to the photoelectric module 2 and extending outward from the insulating cover 4 , two cards 6 installed on both sides of the metal lamp body 1 with snap springs 7 respectively, and three connectors (not shown) fixedly connecting the metal lamp body 1 , the photoelectric module 2 and the insulating cover 4 . Preferably, the above-mentioned connecting member may be a positioning screw. The above lighting device 100 may be an embedded LED downlight or spotlight for indoor lighting.

The following is a specific description of each component in the lighting device 100 provided by the preferred embodiment of the present invention and the connection relationship between the components.

As shown in FIG. 3 to FIG. 7 , the metal lamp body 1 is roughly in the shape of a barrel, which can be made of thermally conductive metal materials such as aluminum, which has high thermal conductivity. The metal lamp body 1 includes a bottom wall 11 , a circular side wall 12 extending vertically from the edge of the bottom wall 11 , and a face ring portion 13 disposed at a free end of the side wall 12 and extending horizontally. The bottom wall 11 and the side wall 12 of the metal lamp body 1 surround and form a first receiving space 14 , and the photoelectric module 2 is stored in the first receiving space 14 . Specifically, a through hole 111 is formed in the middle area of the bottom wall 11 , and a part of the photoelectric module 2 can extend out of the metal lamp body 1 through the through hole 111 . Further, three first positioning holes 112 located outside the through hole 111 and communicating with the through hole 111 are further provided on the bottom wall 11 . The three first positioning holes 112 on the metal lamp body 1 engage with a part of the insulating cover 4 , so that the insulating cover 4 is preliminarily positioned on the metal lamp body 1 . A notch 113 located outside the through hole 11 and communicating with the through hole 111 is also provided on the bottom wall 11 of the metal lamp body 1 . In addition, the inner surface of the side wall 12 of the metal lamp body 1 is provided with a slot 121 for installing the diffusion mask 3 .

As shown in FIGS. 3 to 7 , the photoelectric module 2 includes a substrate 21 , an LED light source 22 disposed on one side of the substrate 21 , and an LED driving power source 25 disposed on the substrate 21 . Specifically, the LED driving power can be disposed on both sides of the substrate 21 , or disposed on the other side of the substrate 21 where the LED light source 22 is not disposed. One end of the power line 5 is welded to the substrate 21 and can transmit the external power to the LED driving power, and the LED driving power can drive the LED light source 22 to emit light. The LED drive power supply includes several components, including but not limited to LED drive controller chips, rectifier chips, resistors, capacitors, fuses and coils. The substrate 21 abuts against the bottom wall 11 of the metal lamp body 1 . The photoelectric module 2 is in thermal contact with the metal lamp body 1 .

The substrate 21 can be a printed circuit board with conductive lines (not shown), through which the LED light source 22 and the LED driving power 25 can be electrically connected. Three second positioning holes 211 corresponding to the first positioning holes 112 and matching with a part of the insulating cover 4 , and an opening 212 are also provided on the base plate 21 . The three second positioning holes 211 are distributed on the substrate 21 in a triangular shape and penetrate through the upper and lower surfaces of the substrate 21 . The LED light source 22 is several LED light emitting units. Preferably, the LED light source 22 and the LED driving light source 25 can be electrically connected to the substrate 21 through Through Hole Technology (THT) or Surface Mount Technology (SMT). The LED light source 22 and the LED driving power 25 on the photoelectric module 2 can be integrated on both surfaces of the substrate 21 . For example, the LED light source 22 is arranged on the upper surface of the substrate 21 , the LED driving power is arranged on the lower surface of the substrate 21 , and the upper surface of the substrate 21 is a surface facing the diffusion mask 4 . The substrate 21 is attached to the bottom wall 11 of the metal lamp body 1 . Since the LED light source 22 and the LED driving power supply 25 are integrated on the substrate 21, the photoelectric module 2 occupies less space, which meets the requirement that the LED light source 22 and the LED driving power supply 25 occupy a small space when the internal space of a small-sized lighting device is limited. Require. The form of LED drive power supply: one can be a part of the patch on the side of the substrate 21 with the LED light source 22, and the other side of the substrate 21 is provided with components of a plug-in drive power supply that reduces the cost; the other can also be The substrate 21 is provided with all patches on one side of the LED light source 22 , or all inserts or some patches and some inserts on the other side.

As shown in FIGS. 3 to 7 , the diffuser mask 3 is flat and circular, and it can be made of polymethyl methacrylate (Polymethyl methacrylate, PMMA) or polycarbonate (Polycarbonate, PC) material. The light emitted from the LED light source 22 of the photoelectric module 2 directly enters the diffusion mask 3 . At this time, the diffusion mask 3 diffuses and evens the light, so that the brightness of the light emitted from the diffusion mask 3 is uniform and the irradiation angle becomes larger, so as to achieve the effect of uniform illumination. In addition, the diffusion mask 3 is an insulating member, which also plays the role of electrical insulation.

As shown in Fig. 2, Fig. 5 to Fig. 7, the insulating cover body 4 is integrally formed by plastic material, and it is also roughly in the shape of a barrel, and one end of it is closely attached to the bottom wall 11 of the metal lamp body 1 and the bottom wall 11 The through hole 111 on the cover is covered. Specifically, the insulating cover 4 includes a circular bottom wall 41 and an annular sidewall 42 extending upward from the circular bottom wall 41 . The bottom wall 41 and the sidewall 42 enclose a second receiving space (not labeled). It should be noted that, since the bottom wall 11 of the metal lamp body 1 is provided with a through hole 111 , when the insulating cover 4 is assembled on the metal lamp body 1 , the first receiving space 14 communicates with the second receiving space. Further, three hollow positioning posts 43 are arranged inside the insulating cover 4, and the three positioning posts 43 are formed by extending upward from the inner surface of the bottom wall 41 of the insulating cover 4, and each positioning post 43 is provided with a receiving connection Parts (not shown) receiving hole 431. When the insulating cover 4 abuts against the outer surface of the bottom wall 11 of the metal lamp body 1, each positioning post 43 in the insulating cover 4 can pass through the first positioning hole 112 on the bottom wall 11 of the metal lamp body 1, and at the same time The outer surface of the positioning column 43 interferes with the inner surface of the first positioning hole 112 , so that the insulating cover 4 is preliminarily positioned on the metal lamp body 1 . After the insulating cover 4 is assembled with the metal lamp body 1, the photoelectric module 2 can be assembled into the first accommodation space 14 of the metal lamp body 1, and the substrate 21 of the photoelectric module 2 is closely attached to the bottom wall 11 of the metal lamp body 1. , the free end of each positioning column 43 is located in the second positioning hole 211 of the base plate 21 . Through the cooperation of the connecting piece (not shown) with the second positioning hole 211 and the positioning post 43 , the base plate 21 , the metal lamp body 1 and the insulating cover 4 can be locked together. Specifically, the connector can be a positioning screw, the threaded part of the positioning screw passes through the second positioning hole 211 and is partially accommodated in the receiving hole 431 in the positioning column 43, and the head of the positioning screw presses against the substrate 21, so that the substrate 21 1. The metal lamp body 1 and the insulating cover 4 can be fixedly connected to each other through a positioning screw. In addition, since the substrate 21 of the photoelectric module 2 is closely attached to the bottom wall 11 of the metal lamp body 1, the heat emitted from the photoelectric module 2 can be dissipated directly through the bottom wall 11 of the metal lamp body 1. Therefore, the lighting device 100 has Good cooling features. At the same time, the LED driving power 25 on the photoelectric module 2 extends into the second receiving space through the through hole 111 .

In addition, the insulating cover 4 is further provided with a channel 44 and a positioning channel 45 extending along the vertical direction and arranged side by side, and a clamping arm 46 is provided between the channel 44 and the positioning channel 45 . The power wire 5 can enter the insulating cover 4 through the channel 44 , pass through the through hole 111 on the bottom wall 11 , and then be electrically connected to the substrate 21 of the photoelectric module 2 .

Further, the lighting device 100 further includes a positioning member (not shown) that can be accommodated in the positioning channel 45 . A part of the positioning member can pass through the hole 212 and the notch 113 to be received in the positioning slot 45 in sequence. When the positioning piece is gradually accommodated in the positioning channel 45, the positioning piece will drive the clamping arm 46 to move to the side of the channel 44 so that the clamping arm 46 presses the power cord 5 and interferes with the power cord 5, so that a part of the power cord 5 is positioned In the channel 44 of the insulating cover 4 . In this way, when the power cord 5 is pulled, displacement or looseness between the power cord 5 and the photoelectric module 2 is not easy to occur. Preferably, the positioning member can be a positioning screw.

As shown in FIGS. 6 to 7 , the power cord 5 includes a wire 51 and an insulating sheath 52 covering the wire 51 . One end of the power line 5 is welded to the substrate 21 , and the other end of the power line 5 extends out of the insulating cover 4 to connect with an external power source.

As shown in FIG. 1 to FIG. 7 , the card 6 is made of metal material, which is in the shape of an arc sheet and attached to the outer surface of the side wall 12 of the metal lamp body 1 . The card 6 is mounted on the side wall 12 by screws (not shown). The snap ring 7 is assembled on one end of the card 8, which is also made of metal material. Two cards 8 respectively mounted with snap springs 7 are attached to the outside of the side wall 12 of the metal lamp body 1 and fixedly connected with the metal lamp body 1 . The illuminating device 100 can be installed on an installation base (not shown) through the clip spring 7 .

It should be noted that, in other alternative implementation manners, the lighting device 100 may not include a card, and the clip spring may be directly installed on the metal lamp body.

Compared with the prior art, the metal lamp body in the lighting device provided by the utility model has the characteristics of good thermal conductivity, and the photoelectric module is placed in the metal lamp body, so when the LED light source located on the photoelectric module in the metal lamp body produces When heating, the heat can be quickly dissipated through the metal lamp body, so as to avoid the high temperature of the metal lamp body and affect the quality and service life of the LED light source. At the same time, since the LED light source and the driving power are integrated on one substrate, the space of the lighting device is saved. Therefore, the lighting device provided by the utility model can also adapt to the trend of miniaturization. In addition, the number of elements in the lighting device provided by the utility model is small, so the assembly is convenient and fast, and the assembly cost is low.

The specific examples described above have further described the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above descriptions are only specific embodiments of the utility model and are not intended to limit the utility model. For new models, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims (18)

1. A lighting device, which includes a lamp body, an insulating cover assembled on one side of the lamp body, a photoelectric module accommodated in the lamp body or the lamp body and the insulating cover, a diffusion mask assembled on the other side of the lamp body, and an extension A power cord that enters the insulating cover and is electrically connected to the photoelectric module, characterized in that the lamp body includes a bottom wall with a through hole and a side wall extending from the edge of the bottom wall, and the photoelectric module includes a substrate . A light source provided on one side of the substrate and a driving power supply provided on the substrate, the substrate is in contact with the bottom wall, and the lighting device further includes connecting the lamp body, the photoelectric module and the insulating cover connectors. 2. The lighting device according to claim 1, wherein a first positioning hole located outside the through hole and communicating with the through hole is further provided on the bottom wall, and a first positioning hole is provided on the insulating cover. There is a positioning column matched with the first positioning hole, the base plate is provided with a second positioning hole matched with the positioning column, and the positioning column is provided with a receiving hole for accommodating the connecting piece. 3. The illuminating device according to claim 1, further comprising a retaining spring assembled on the lamp body. 4. The lighting device according to claim 2, characterized in that, the lighting device further comprises a card assembled outside the side wall and a spring assembled at one end of the card, the card and the side wall The connection is secured by screws. 5. The illuminating device according to claim 1, wherein the lamp body further comprises a face ring portion extending horizontally from the free end of the side wall. 6 . The lighting device according to claim 1 , wherein an inner surface of the side wall is provided with a slot, and the edge of the diffusion mask is accommodated in the slot. 7 . 7. The lighting device according to claim 1, wherein a channel, a positioning channel and a clamping arm are arranged between the channel and the positioning channel in the insulating cover, and the power cord passes through the The channel extends into the insulating cover, and the lighting device further includes a positioning piece accommodated in the positioning slot. 8. The illuminating device according to claim 7, wherein a notch located outside the through hole and communicating with the through hole is further provided on the bottom wall, and a notch connected with the notch and the through hole is provided on the substrate. The opening corresponding to the positioning channel, the positioning member sequentially passes through the gap and the opening to be accommodated in the positioning channel. 9. The illuminating device according to claim 1, wherein the driving power is provided on one side or both sides of the substrate. 10. The lighting device according to claim 1, wherein the lamp body is a metal lamp body, the light source is an LED light source, and the driving power is an LED driving power. 11. The illuminating device according to claim 1, wherein the driving power extends into the insulating cover through the through hole. 12. A lighting device, comprising: a lamp body, a photoelectric module, an insulating cover assembled on one side of the lamp body, a diffusion mask assembled on the other side of the lamp body, and a power cord electrically connected to the photoelectric module, the The lamp body includes a bottom wall and a side wall, the bottom wall and the side wall are surrounded to form a first storage space, and the insulating cover is provided with a second storage space, and the feature is that: the first storage space and the The second storage space communicates, the photoelectric module is at least accommodated in the first storage space and thermally contacts the bottom wall of the lamp body, and the lamp body, the photoelectric module and the insulating cover are fixedly connected as one. 13. The illuminating device according to claim 12, further comprising a connecting piece connecting the lamp body, the photoelectric module and the insulating cover. 14. The lighting device according to claim 13, wherein the bottom wall has a through hole, and the bottom wall is further provided with a first positioning hole located outside the through hole and communicating with the through hole , the insulating cover is provided with a positioning column that cooperates with the first positioning hole, the photoelectric module includes a substrate, and the substrate is provided with a second positioning hole that cooperates with the positioning column, and the positioning column There is a receiving hole for receiving the connecting piece. 15 . The lighting device according to claim 12 , wherein an inner surface of the side wall is provided with a slot, and the edge of the diffusion mask is accommodated in the slot. 16 . 16. The lighting device according to claim 12, wherein the photoelectric module comprises a substrate, a light source disposed on one side of the substrate, and a driving power disposed on the substrate, and the substrate contacts the bottom wall. 17. The lighting device according to claim 16, wherein a through hole is formed on the bottom wall, and the driving power extends into the second receiving space of the insulating cover through the through hole. 18. The illuminating device according to claim 12, wherein the lamp body further comprises a face ring portion extending horizontally from the free end of the side wall.