CN204756648U - Plastic smallpox shot -light of LED - Google Patents

Abstract

The utility model provides a can improve electric shock protection nature, improve the thermal diffusivity, the life's of the plastic smallpox shot -light of extension plastic smallpox shot -light of LED, including the lamp body, lamp body cavity, one side of lamp body has the light source export, install lamp plate and LED drive module in the lamp body, the lamp plate is equipped with luminous granule towards one side of light source export, LED drive module is connected with luminous granule electricity, be equipped with lens between inherent light source export of lamp body and the lamp plate, lamp body and lens are insulating plastic, install the heat dissipation sheet metal component in the lamp body, the lamp plate is installed in heat dissipation sheet metal component one side towards the light source export, be equipped with a plurality of louvres on the lamp plate.

Description

LED full plastic ceiling spotlight

technical field

The utility model relates to the field of LED lamps, in particular to an LED all-plastic ceiling spotlight.

Background technique

The general structural parts of existing public places and household ceiling spotlights are metal structural parts or LED lamps composed of metal parts and plastic parts. Because the metal structural parts are conductive, and the LED lamp has a driving power supply inside, the whole lamp has electric shock when the driver is damaged, which increases the risk of electric shock for people. Moreover, metal structural parts often give people a heavy feeling in the decoration space. Some ceiling spotlight lenses on the market are made of glass or plastic, which looks dazzling to the human eye and irritates the eyes.

Contents of the invention

The technical problem to be solved by the utility model is to provide a kind of LED all-plastic ceiling spotlight. The small heat dissipation holes not only ensure the risk of man-made electric shock and electrical safety, but also ensure the heat dissipation requirements, ensure the normal and long-term effective work of the LED, improve the protection against electric shock, and prolong the service life of the all-plastic ceiling spotlight.

In order to solve the above-mentioned existing technical problems, the utility model adopts the following scheme: an LED all-plastic ceiling spotlight, including a lamp housing, one side of the lamp housing has a light source outlet, and a lamp board and LED drive module, the side of the lamp board facing the light source outlet is provided with luminescent particles, the LED drive module is electrically connected to the luminescent particles, the lamp housing is provided with a lens between the light source outlet and the lamp board, and the lamp housing Both the lens and the lens are insulating plastics, and a heat dissipation sheet metal part is installed in the lamp housing.

Preferably, the lamp housing includes an outer ring shell and a housing, the outer ring shell and the housing are fixedly connected, the light source outlet is arranged on the outer ring shell, the housing is hollow, and the housing faces One end of the outer ring shell is open, the lamp board and the heat dissipation sheet metal parts are installed in the shell, and the lens is installed at the end connecting the shell and the outer ring shell.

Preferably, the lamp housing is composed of an outer ring shell and a shell, and the outer ring shell and the shell are fixedly connected by screws or bolts, and the outer ring shell includes an outer ring part and an outer ring part An outer ring panel connected at one end, the light source outlet is arranged on the outer ring panel, and the housing part is sleeved in the outer ring part. The lamp housing is directly composed of the outer ring shell and the shell, which saves the middle ring on the general ceiling spotlight, which saves the structural parts of the adult lamp, which greatly reduces the cost; moreover, the outer ring shell and the shell are used in two parts Composition, assembly and disassembly are also extremely convenient.

Preferably, the lens includes a lens panel, the side of the lens panel facing the lamp board is provided with a positioning post extending toward the lamp board, the lamp board is provided with a limit hole at a position corresponding to the positioning post, and the positioning post One end facing the limiting hole has an extending portion, and the extending portion extends into the limiting hole. The lens is made of a lens panel and several truncated conical lens blocks, so that the light is uniform and soft; by setting the positioning column, the positioning between the lens and the light board is stable without screws.

As a preference, the diameter of the protruding part and the aperture of the limiting hole are smaller than the diameter of the limiting post; The aperture of the position hole on the side of the step surface facing away from the lens, the diameter of the protruding part is equal to the diameter of the smaller part of the aperture in the limit hole, and the diameter of the limit post is equal to the diameter of the larger part of the limit hole. After adopting this structure, the end face of the limiting column abuts against the surface around the upper limit hole of the lamp board or against the step surface, and the positioning between the lens and the lamp board is more stable through the cooperation between the surfaces.

Preferably, the side of the lens panel facing the light source outlet is in the shape of fish scales. The light-transmitting outer surface of the lens is scale-shaped, which can weaken the intensity of the LED graininess. In addition, the professional optical design of the lens makes the light of this lamp have a certain angle, the light is uniform without spot effect, and the light is soft. It feels warm and gives people a relaxed and happy mood. Can upgrade the entire product grade.

Preferably, the lens is snap-fitted with the housing. The buckle structure makes it unnecessary to fix with screws.

Preferably, the side wall of the housing is provided with a hole structure, and the side of the lens panel facing the lamp board is provided with a hook extending toward the lamp board at a position corresponding to the hole structure, and the hook body of the hook Clamped in the hole structure, the snap connection is realized between the lens and the housing through the cooperation of the hook and the hole structure.

Preferably, a fool-proof structure is provided between the lens and the housing. When installing the lens, the operator only needs to use the fool-proof structure to make the position of the lens and the housing correspond correctly, which is convenient for assembly.

Preferably, the fool-proof structure includes a guide strip arranged on the side of the lens panel facing the light board and a guide groove arranged on the side wall of the housing, the guide strip is opposite to the guide groove, and the guide strip is opposite to the guide groove All extend along the axial direction of the LED all-plastic ceiling spotlight, and the guide bar is limited in the guide groove when the lens and the housing are assembled together. The fool-proof structure adopts the design of guide strips and guide grooves, the structure is simple, and the product is beautiful.

Preferably, the inner wall of the housing is provided with a stepped surface around the inner wall of the housing, and the cross-sectional area of the housing on the side of the stepped surface facing the light source outlet is larger than the transverse area of the housing on the side of the stepped surface facing away from the light source outlet. Cross-sectional area, the housing forms a large-diameter part on the side of the step surface facing the light source outlet, the housing forms a small-diameter part on the side of the step surface facing away from the light source outlet, and the heat dissipation sheet metal part is at the position of the step surface A plurality of connecting ears extending to the step surface are provided, and the connecting ears are connected to the step surface by screws. The stepped surface design is used to facilitate the installation of heat dissipation sheet metal parts.

Preferably, the heat dissipation sheet metal part includes a flat plate and several arc-shaped plates arranged on the edge of the flat plate, the flat plate is at the position of the step surface, the connecting ear is arranged on the edge of the flat plate, and the arc-shaped plates are located On the side of the light source outlet, the arc-shaped plate is perpendicular to the flat plate, the centers of the arc-shaped plates are the same, and the outer diameter of the arc-shaped plate is smaller than or equal to the inner diameter of the small-diameter part. The heat dissipation sheet metal adopts the combination design of flat plate and curved plate, which can increase the heat dissipation area and improve the heat dissipation efficiency.

Preferably, the outer ring shell and the casing are fixedly connected by screws.

Preferably, the LED driver module is located on a side of the heat dissipation sheet metal part away from the lamp board. Make the structure distribution more reasonable.

Beneficial effect:

After the utility model adopts the above-mentioned technical scheme, by using insulating plastics for both the lamp housing and the lens, the risk of artificial electric shock and electrical safety are guaranteed, and the cost is reduced compared with the metal shell; On the metal parts, and small cooling holes are made on the light board, which can effectively conduct the heat of the luminous particles out, which can ensure the heat dissipation requirements, ensure the normal and long-term effective work of the LED, improve the electric shock protection, and prolong the whole life. The service life of plastic ceiling spotlights.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the explosion diagram of the utility model;

Fig. 3 is a schematic diagram of the assembled sheet metal parts, LED driver module and housing;

Fig. 4 is a schematic diagram of the structure shown in Fig. 3 after installing the light board;

Fig. 5 is a schematic structural view of one side of the lens;

Figure 6 is an assembly diagram of the lens and the housing;

Fig. 7 is a top view of the assembled lamp board, lens and housing.

detailed description

As shown in Figures 1 to 7, it is a preferred embodiment of the LED all-plastic ceiling spotlight of the present invention. The LED all-plastic ceiling spotlight includes a lamp housing composed of an outer ring surface shell 1 and a housing 2, wherein the outer ring surface The shell 1 and the shell 2 are both insulating plastics. The outer ring shell 1 is composed of an outer ring part 11 and an outer ring panel 12 connected to one end of the outer ring part 11. A torsion spring 7 is installed on the outer ring part 11. The outer ring panel 12 is provided with a light source outlet, and the diameter of the light source outlet is smaller than the inner diameter of the outer ring part 11; the housing 2 is a hollow structure, one end of which is open towards the outer ring surface shell 1, and the other end is closed, and the open end of the housing 2 covers It is located in the outer ring part 11 and is fixedly connected with the outer ring part 11 by screws or bolts. After the screw or bolt connection is used, when there is a gap between the outer ring part 11 and the housing 2, the housing 2 can also be opposite to each other. The outer ring shell 1 swings slightly in the axial direction perpendicular to the screws or bolts, so that the angle of the light source can be adjusted; the heat dissipation sheet metal parts 4, the lamp board 5 and the LED driver module 3, the lamp board 5 are installed in the housing 2 Installed on the side of the heat dissipation sheet metal part 4 facing the light source outlet, the side of the lamp board 5 facing the light source outlet is provided with a number of luminescent particles 51, and a number of heat dissipation holes 52 are arranged on the lamp board 5, and the LED driver module 3 is located on the heat dissipation sheet metal part 4 On the side away from the lamp board 5, the output end of the LED driver module 3 is electrically connected to the light-emitting particles 51 through wires, the input end of the LED driver module 3 is connected to the external power supply through a wire 9, and the closed end of the housing 2 has a wire 9 The threading hole that passes through has a wire buckle 91 for positioning and clamping the wire on the housing 2; a lens 6 is installed on the end of the housing 2 facing the outer ring surface shell 1, and the lens 6 is also made of insulating plastic. The position corresponds to the position of the light source outlet. The edge of the light-transmitting outer surface of the lens 6 is directly against the outer ring panel 12 or through a connecting piece such as a sealing ring against the outer ring panel 12, and the other end is against the lamp board 5. The light source emitted by the luminescent particles 51 is processed by the lens 6 and then emitted from the light source outlet.

Both the lamp housing and the lens 6 are made of insulating plastic, so that there is an effective isolation effect between the outside of the lamp housing, the LED driver module inside the lamp housing and the wires inside the lamp housing, compared with metal or metal and plastic mixed ceilings As far as the spotlight structure is concerned, the possibility of electric shock is reduced, and the product cost is more economical; and the heat dissipation sheet metal part 4 is set inside the housing 2 and the heat dissipation hole 52 is set on the lamp board 5, which can effectively conduct the heat of the light source, To ensure the heat dissipation of LED all-plastic ceiling spotlights. In addition, the lamp shell of a general ceiling spotlight is composed of a shell and a middle ring in addition to the outer ring shell. In this utility model, the lamp shell omits the middle ring and is directly composed of the outer ring shell and the shell, so that the product More cost saving and simpler assembly process. In this embodiment, the outer ring surface shell 1 and the shell 2 can be made of ivory white. Ivory white is more noble and pure like a young girl, which is warm, noble and pure. It can give people a feeling of purity and cleanliness, and make people feel relaxed and happy. .

In order to facilitate the installation of heat-dissipating sheet metal parts, a step surface 21 around the inner wall of the casing 2 is provided on the inner wall of the casing 2, and the cross-sectional area of the casing 2 on the side of the step surface 21 facing the light source outlet is larger than that of the casing 2 Step surface 21 is away from the cross-sectional area of the side of the light source outlet, so that the housing 2 forms a large-diameter part on the side of the step surface 21 facing the light source outlet, and the housing 2 forms a small-diameter part on the side of the step surface 21 away from the light source outlet, The heat dissipation sheet metal part 4 is provided with some connecting ears 43 extending to the step surface 21 at the position of the step surface 21, and the connection ears 43 and the step surface 21 are connected by screws, so that the heat dissipation sheet metal part 4 can be easily installed on the Inside the housing 2.

In this embodiment, the heat dissipation sheet metal part 4 includes a flat plate 41 and several arc-shaped plates 42 arranged on the edge of the flat plate 41. The plate 42 is located on the side of the flat plate 41 facing away from the light source outlet; the arc-shaped plate 42 is arranged vertically relative to the flat plate 41, the center of circle of the arc-shaped plate 42 is the same, and the outer diameter of the arc-shaped plate 42 is equal to or slightly smaller than the inner diameter of the small diameter part, so that the heat dissipation plate After the hardware 4 is installed in the housing 2, the outer wall of the arc-shaped plate 42 is close to the inner wall of the small-diameter part of the housing 2, and the heat-dissipating sheet metal part 4 and the small-diameter part of the housing 2 are firmly clamped, and will not be stuck on the housing 2. Shake inside.

The lens 6 is made up of a lens panel 61 and several truncated conical lens blocks 62. One side of the lens panel 61 is against the end face of the casing 2, and the other side passes through the light source outlet. The lens block 62 is arranged on the other side of the lens panel 61, and the lens The block 62 is located within the inner ring range of the housing 2, and the thick end of the lens block 62 is facing the lens panel 61, and the narrow end of the lens block 62 is against the lamp board 5 and facing the luminous particles 51, the lens panel 61 and the The lens block 62 can be an integrally formed one-piece structure, or it can be manufactured separately and then assembled together. In order to make the light emitted by the lens 6 more uniform and soft, without spot effect, it will make people feel warm and give people a relaxed and happy mood. , to improve the product grade, the light-transmitting outer surface of the lens panel 61, that is, the side where the lens panel 61 and the outer ring panel 12 offset, adopts a fish-scale structure, which can weaken the intensity of the LED graininess. In addition, the overall edge of the lens 6 can be screen printed. A variety of colors form a toning structure 8 to meet the decoration needs of the housing environment and adapt to the strong and flexible humanized needs of the environment.

The lens 6 is connected to the housing 2 through a buckle. The side wall of the housing 2 is provided with a slot structure. In this embodiment, the slot structure is at least two slots 22 penetrating the side wall of the housing 2. The slots 22 are evenly distributed along the circumference of the housing 2. The lens The side of the panel 61 facing the lamp board 5 is provided with a hook 64 extending toward the lamp board 5 at a position corresponding to each slot 22 . There is a hook body 641 protruding into the slot 22 at the position of the slot 22. The hook 64 is stuck in the slot 22 through the hook body 641, and the lens 6 and the housing 2 are locked by the hook 64 and the slot 22. buckle connection.

For better positioning between the lens 6 and the lamp panel 5, a positioning column 63 extending toward the lamp panel 5 is provided on the side of the lens panel 61 facing the lamp panel 5, and the position corresponding to the positioning column 63 on the lamp panel 5 A limiting hole 53 is provided, and one end of the positioning column 63 facing the limiting hole 53 has an extending portion 631 , and the extending portion 631 extends into the limiting hole 53 . Both the diameter of the protruding portion 631 and the diameter of the limiting hole 53 are smaller than the diameter of the limiting post. The fixing pressure between the positioning column 63 of the lens 6 and the limit hole 53 on the lamp board 5 is completely determined by the lens 6 and the bayonet of the housing 2, without screws. In this structure, the positioning post 63 and the lens panel 61 may adopt an integrated structure, or the two parts may be manufactured separately and then assembled together.

In order to facilitate the assembly between the lens 6 and the housing 2, a fool-proof structure is provided between the lens 6 and the housing 2. In this embodiment, the fool-proof structure includes an The guide bar 65 and the guide groove 23 arranged on the side wall of the housing 2, the guide bar 65 is opposite to the guide groove 23, the guide bar 65 and the guide groove 23 both extend along the axial direction of the LED all-plastic ceiling spotlight, and the lens When 6 and the housing 2 are assembled together, the guide bar 65 is limited in the guide groove 23. In this embodiment, an arc-shaped flange 66 is provided on the side of the lens panel 61 facing the lamp panel 5. After the lens 6 and the housing 2 are assembled, the outer wall of the arc-shaped flange 66 is close to the large diameter of the housing 2. Part of the inner wall, the guide bar 65 is arranged on the outer wall of the arc-shaped flange 66 to realize the arrangement on the lens panel 61 . When installing the lens, the operator only needs to dock the guide bar 65 of the lens 6 with the guide groove 23 of the housing 2, and at the same time, the lens can be installed and fixed with the clamping groove 22 of the housing 2 through the hook 64, so that the positioning can be achieved. The protruding portion 631 of the pillar 63 protrudes into the position-limiting hole 53 corresponding to the position of the position-limiting hole 53 , and makes the position of the lens block correspond to the position of the light-emitting particles one-to-one.

This embodiment adopts the all-plastic shell structural parts, which can give full play to the electrical safety advantages of the LED all-plastic shell. It is an all-plastic ceiling spotlight with low cost, high electrical safety, simple process, high grade, beautiful appearance, and strong adaptability. As well as environmental protection and other advantages, the all-plastic ceiling spotlight structure does not require a lot of post-processing and large screws in the later stage, thus saving a lot of labor costs and reducing the production cost of LED all-plastic ceiling spotlights.

The above is only a preferred embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto, those skilled in the art should understand that the present utility model includes but is not limited to the accompanying drawings and the above specific implementation The content described in the method, under the premise of not departing from the principle of the utility model, this example can also make some modifications and improvements, and these modifications and improvements should also be regarded as belonging to the protection scope of the utility model.

Claims (10)

1. LED all-plastic ceiling spotlights, including a lamp housing, one side of the lamp housing has a light source outlet, a lamp board (5) and an LED driver module (3) are installed in the lamp housing, and the lamp board (5 ) is provided with luminescent particles (51) on the side facing the light source outlet, the LED drive module (3) is electrically connected to the luminescent particles (51), and a lens is provided between the light source outlet and the lamp board (5) in the lamp housing (6), characterized in that: the lamp housing and the lens (6) are insulating plastics, a heat dissipation sheet metal part (4) is installed inside the lamp housing, and the lamp board (5) is installed on the heat dissipation sheet metal part (4) On the side facing the light source outlet, several cooling holes (52) are provided on the lamp board (5). 2. The LED all-plastic ceiling spotlight according to claim 1, characterized in that: the lens (6) includes a lens panel (61), and the lens panel (61) is arranged on the side facing the lamp board (5) There is a positioning column (63) extending toward the lamp panel (5), and the lamp panel (5) is provided with a limit hole (53) at a position corresponding to the positioning column (63), and the positioning column (63) faces the limit One end of the hole (53) has a protruding portion (631), and the protruding portion (631) protrudes into the limiting hole (53). 3. The LED all-plastic ceiling spotlight according to claim 2, characterized in that: the side of the lens panel (61) facing the light source outlet is in the shape of fish scales. 4. The LED all-plastic ceiling spotlight according to any one of claims 1 to 3, characterized in that: the lamp housing includes an outer ring shell (1) and a housing (2), and the outer ring shell ( 1) It is fixedly connected with the shell (2), the outlet of the light source is set on the outer ring shell (1), the shell (2) is hollow, and the shell (2) faces the outer ring shell (1) One end is open, the lamp board (5) and heat dissipation sheet metal parts (4) are installed in the housing (2), the lens (6) is installed in the housing (2) and the outer ring shell (1) At one end of the connection, the lens (6) and the housing (2) are snap-fitted. 5. The LED all-plastic ceiling spotlight according to claim 4, characterized in that: the lens (6) includes a lens panel (61), and the side wall of the housing (2) is provided with a hole structure, so that The side of the lens panel (61) facing the lamp board (5) is provided with a hook (64) extending toward the lamp board (5) at a position corresponding to the hole structure, and the hook (641) of the hook (64) ) is stuck in the hole structure, and the snap connection is realized between the lens (6) and the housing (2) through the cooperation of the hook (64) and the hole structure. 6. The LED all-plastic ceiling spotlight according to claim 4, characterized in that: a fool-proof structure is provided between the lens (6) and the housing (2). 7. The LED all-plastic ceiling spotlight according to claim 6, characterized in that: the fool-proof structure includes guide strips (65) arranged on the side of the lens panel (61) facing the lamp board (5) and setting In the guide groove (23) on the side wall of the housing (2), the guide strip (65) is opposite to the guide groove (23), and the guide strip (65) and the guide groove (23) are all along the LED all-plastic ceiling. The axial direction of the spotlight extends, and the guide bar (65) is limited in the guide groove (23) when the lens (6) and the housing (2) are assembled together. 8. The LED all-plastic ceiling spotlight according to claim 4, characterized in that: the inner wall of the housing (2) is provided with a stepped surface (21) around the inner wall of the housing (2), and the housing ( 2) The cross-sectional area on the side of the step surface (21) facing the light source outlet is larger than the cross-sectional area of the housing (2) on the side of the step surface (21) facing away from the light source outlet, and the housing (2) is on the step The surface (21) forms a large-diameter part on the side facing the light source outlet, the housing (2) forms a small-diameter part on the side of the step surface (21) away from the light source outlet, and the heat dissipation sheet metal part (4) forms a small-diameter part on the step surface (21). (21) is provided with several connecting ears (43) extending to the step surface (21), and the connecting ears (43) are connected to the step surface (21) by screws. 9. The LED all-plastic ceiling spotlight according to claim 8, characterized in that: the heat dissipation sheet metal part (4) comprises a flat plate (41) and several arc-shaped plates (42) arranged on the edge of the flat plate (41) , the flat plate (41) is at the position of the step surface (21), the connecting ear (43) is arranged on the edge of the flat plate (41), and the curved plate (42) is located at the side of the flat plate (41) facing away from the light source outlet On one side, the arc-shaped plate (42) is perpendicular to the flat plate (41), the center of circle of the arc-shaped plate (42) is the same, and the outer diameter of the arc-shaped plate (42) is less than or equal to the inner diameter of the small-diameter part. 10. The LED all-plastic ceiling spotlight according to claim 4, characterized in that: the lamp housing is composed of an outer ring shell (1) and a housing (2), and the outer ring shell (1) includes The outer ring part (11) and the outer ring panel (12) arranged at one end of the outer ring part (11), the outlet of the light source is arranged on the outer ring panel (12), and the casing (2) is partially sleeved on the outer ring In the part (11), the housing (2) and the outer ring part (11) are fixedly connected by screws or bolts.