CN202955508U - Light-emitting diode (LED) light-emitting device and lamp provided with same - Google Patents

Abstract

The utility model discloses a light-emitting diode (LED) light-emitting device and a lamp provided with the same. The LED light-emitting device comprises a support plate (203) including a support platform (2031) provided with a plurality of lateral planes, an LED light-emitting assembly and a plurality of LEDs (2021). The LED light-emitting assembly comprises a flexible printed circuit board (PCB), wherein the PCB is provided with a hole for the support platform (2031) to pass through and a plurality of LED installing portions (2022) corresponding to multiple lateral planes of the support platform (2031). The plurality of LEDs (2021) are respectively installed on the plurality of LED installing portions (2022). The LED light-emitting device further comprises a protective cover (210), the protective cover (210) is installed to cover the support platform and the plurality of LED installing portions (2022) provided with the plurality of LEDs (2021). The LED light-emitting device obtains good Internet protocol (IP) through the protective cover, and can achieve convenient and reliable assembly through a simple structure.

Description

LED light-emitting device and the light fixture with this LED light-emitting device

Technical field

The light fixture that the utility model relates to a kind of LED light-emitting device and has this LED light-emitting device.

Background technology

The LED light fixture is as a kind of new light sources, due to its have efficient high, photochromic pure, energy consumption is low, the life-span is long, reliability and durability, pollution-free, control the advantages such as flexible, thereby be widely applied.

In the application of box type LED lamp, expectation has the light emission at wide angle.Common solution is to add optical lens or use the multiaspect modular structure on LED.At present, the multiaspect modular structure is the selection commonly used that obtains wide optic angle.

Please refer to Fig. 1 to Fig. 4, wherein show the known multiaspect module of utilizing and realize the LED light-emitting device 100 of the wide optic angle of LED.The housing (what please note is that in Fig. 3, the parts of label 101 indications are LED light-emitting devices that injection moulding is completed) that LED light-emitting device 100 comprises gripper shoe 103, LED luminescence component 102 and forms by embedding and injection molding after LED luminescence component 102 is installed on gripper shoe 103.LED light-emitting device 100 after assembling can be installed to form in the LED light fixture by viscosity part 104.Gripper shoe 103 comprises the brace table with a plurality of side planes.LED luminescence component 102 comprises flexible PCB, and flexible PCB has hole and a plurality of LED installation portions corresponding with a plurality of side planes of brace table 1031 that pass through for brace table 1031.A plurality of LED 1021 are installed on respectively on described a plurality of LED installation portion.The light emission that this structure can obtain wide angle has been shown in Fig. 2.

But with reference to Fig. 4, this structure has shortcoming.As shown in Figure 4, LED be positioned on the sidepiece of module and the plane P 2 at LED place with respect to the horizontal plane P1 tilt.Specifically, flexible PCB is positioned at and has on gripper shoe 103.Module due on LED is not positioned at directly over module, but is positioned on sidepiece, so can obtain the luminous of wide angle in the situation that do not have optical lens.But, do not protect LED because module does not have lens, thus LED will expose, thereby the IP(water proof and dust proof) performance is not good, this structure is relatively poor for the protection of LED.

In addition, in this known technology, because LED tilts, thereby will cause the processing of protective cover when injection molded very difficult.Usually adopt the LED of the LED light fixture of this structure to expose, so the IP performance of the structure of this module is not good, thereby easily contaminated and damage of LED.

Thereby, in the multiaspect LED light-emitting device shown in Fig. 1-4, there is following insoluble problem, that is, be difficult to obtain good IP protection by less parts and simple technique.

The utility model content

The purpose of this utility model is to overcome the defective of prior art, thereby a kind of LED light-emitting device is provided and has the light fixture of this LED light-emitting device, in order to realize good IP protection to the multiaspect LED module by less parts and simple process.

A kind of LED light-emitting device, the LED light-emitting device comprises: gripper shoe comprises the brace table with a plurality of side planes; And the LED luminescence component, comprising: flexible PCB has the hole and a plurality of LED installation portions corresponding with a plurality of side planes of brace table that pass through for brace table; And a plurality of LED, be installed on respectively on a plurality of LED installation portions, wherein the LED light-emitting device further comprises protective cover, protective cover is mounted a plurality of LED installation portions of living brace table and a plurality of LED are installed with cover cap.

Protective cover has the outline different from brace table.

Further, protective cover has away from the end face of LED luminescence component one side, circular arc side face and towards the opening that holds of LED luminescence component one side, and the protective cover utilization is held opening with brace table and a plurality of LED installation portion cover caps that a plurality of LED are installed therein.

Further, protective cover is included in the inside of protective cover from the top to the elastic claw of downward-extension, and elastic claw flexibly is clamped on the LED installation portion on side plane.

Further, it is identical with the quantity of a plurality of LED installation portions that the quantity of elastic claw is arranged to, and elastic claw flexibly is clamped on the LED installation portion on corresponding side plane respectively.

Further, brace table is arranged to have the side plane that shape and side plane towards the top convergent are set to tilt, and the lower end of elastic claw arranges has the chamfer bevel corresponding with the side plane that tilts.

Further, elastic claw, a plurality of LED installation portion and a plurality of side plane are arranged to have the Central Symmetry shape respectively.

Further, protective cover further comprises at least one grab, and the top of brace table has the hole clipping that coordinates with grab.

Further, the inside of brace table forms cavity, and hole clipping is communicated with cavity.

Further, the top of protective cover comprises the hole that is communicated with cavity.

Further, the hole of protective cover is arranged to larger than hole clipping.

Further, protective cover is provided with two grabs, and two grabs lay respectively at the relative both sides in hole.

Further, protective cover is even thickness.

Further, protective cover is not provided with optical texture.

Further, protective cover is made by Merlon.

Further, protective cover has the flat-top hemispherical shape.

Further, the protective cover bottom has smooth bead.

Further, the LED light-emitting device further comprises the housing that forms by embedding and injection molding, and housing surrounds the bottom periphery of protective cover, the periphery of gripper shoe and the periphery of flexible PCB at least.

Further, housing further is filled in the cavity of brace table.

Further, a kind of light fixture, it comprises aforesaid any LED light-emitting device.

By various embodiment of the present utility model, can realize at least one or more in following effect:

1, the setting by protective cover is so can realize better IP(water proof and dust proof to the LED light-emitting device) protection.

2, according to protective cover of the present utility model, the elasticity pawl that can arrange by inside and the LED installation portion of flexible PCB is clamping on brace table has securely further been guaranteed the stability of structure.

3, according to protective cover of the present utility model, can fixing simple in structurely and assembling by grab;

4, by the hole on protective cover and the hole clipping in brace table and cavity, can realize forming the one housing from top perfusion injected plastics material, be beneficial to perfusion is controlled, thereby realize the housing of accurate shape;

5, by the hole on protective cover and the hole clipping in brace table and cavity, can make the top of the injected plastics material in the hole that is poured into cavity and protective cover form and be roughly T shape, thereby after solidifying, injected plastics material will form the power that connects tight protective cover downwards, further strengthened the fixing of protective cover, and the fastening structure of the luminous assembling of whole LED that further guarantees;

Description of drawings

Accompanying drawing consists of the part of this specification, is used for helping further to understand the utility model.Accompanying drawing illustrates embodiment of the present utility model, and is used for illustrating principle of the present utility model together with specification.Identical parts represent with identical label in the accompanying drawings.Shown in figure:

Fig. 1 shows the stereogram according to the LED light-emitting device with multiaspect module of known technology;

Fig. 2 shows the front view according to the LED light-emitting device with multiaspect module of known technology, wherein shows the light emission of wide optic angle;

Fig. 3 shows the three-dimensional exploded view according to the LED light-emitting device with multiaspect module of known technology;

Fig. 4 shows the cross-sectional view according to the LED light-emitting device with multiaspect module of known technology, and the plane that wherein shows the LED place is inclined relative to horizontal;

Fig. 5 shows the stereogram according to the LED light-emitting device with multiaspect module of this use new embodiment;

Fig. 6 shows the three-dimensional exploded view according to the LED light-emitting device with multiaspect module of this use new embodiment;

Fig. 7 shows the stereogram according to the protective cover of this use new embodiment, and wherein this stereogram has illustrated the structure of the inside of this protective cover;

Fig. 8 shows the cross-sectional view according to the protective cover of this use new embodiment, and wherein the form with partial enlarged drawing shows elastic claw and the grab that is arranged at protective cover;

Fig. 9 shows the cross-sectional view that intercepts along the line I-I of Fig. 5; And

Figure 10 shows the cross-sectional view that intercepts along the line II-II of Fig. 5.

The specific embodiment

Hereinafter with reference to the accompanying drawing that shows the utility model exemplary embodiment, the utility model is described more fully.But the utility model can with multiple multi-form enforcement, not constructed and should not only limit to exemplary embodiment set forth herein.Certainly, it is in order to make this announcement more comprehensively with complete that these exemplary embodiments are provided, and can fully pass on scope of the present utility model to those skilled in the art.

Below, explain in detail with reference to the accompanying drawings the utility model.

Please refer to Fig. 6-10, wherein show according to LED light-emitting device of the present utility model and protective cover thereof.

Especially please refer to Fig. 6, it shows according to LED light-emitting device 200 of the present utility model.This LED light-emitting device 200 comprises: gripper shoe 203, LED luminescence component, protective cover 210 and housing 201.

As shown in Figure 6, gripper shoe 203 comprises the brace table 2031 with a plurality of side planes.The LED luminescence component comprises flexible PCB and a plurality of LED 2021.Flexible PCB has hole and a plurality of LED installation portions 2022 corresponding with a plurality of side planes of brace table 2031 that pass through for brace table 2031.Described a plurality of LED 2021 is installed on respectively on a plurality of LED installation portions 2022.

Especially, the LED light-emitting device 200 according to the utility model embodiment comprises protective cover 210.As being clearly shown that in Fig. 9 and 10, protective cover 210 is mounted a plurality of LED installation portions 2022 of living brace table and a plurality of LED 2021 are installed with cover cap.Protective cover 210 has the outline different from brace table 2031.Specifically; protective cover 210 has away from the end face of LED luminescence component one side, circular arc side face and towards the opening that holds of LED luminescence component one side, and protective cover 210 utilizes and holds opening with brace table 2031 and a plurality of LED installation portion 2022 cover caps that a plurality of LED 2021 are installed therein.Preferably, protective cover 210 can have the flat-top hemispherical shape, thereby provides cover cap needed space on the one hand, on the other hand because the hemispheric Central Symmetry shape of flat-top makes the easily manufactured and simple of protective cover 210.

According to LED light-emitting device 200 of the present utility model owing to having increased protective cover 210, so can provide good IP(water proof and dust proof to LED) protection.

In addition, protective cover 210 is included in the inside of protective cover 210 from the top to the elastic claw 213 of downward-extension.In the known arrangement shown in Fig. 1 to 4 for example, wherein do not have any fixed structure to flexible PCB, only that LED installation portion with flexible PCB rests on the brace table of gripper shoe, but because the rigidity of flexible PCB is relatively poor, usually make the LED installation portion of PCB because the flexibility of PCB is out of shape, not only make whole LED light-emitting device become multiple difficulty in installation process, and structural stability is also produced harmful effect.And elastic claw 213 is installed in protective cover of the present utility model, elastic claw can flexibly be clamped on LED installation portion 2022 on side plane.By the setting of elastic claw 213, can make the installation of flexible PCB on brace table become easily, and install and stablize, can not affect due to the poor rigidity of flexible PCB the stability of structure.

It is identical with the quantity of a plurality of LED installation portions 2022 that the quantity of elastic claw 213 is arranged to, and elastic claw flexibly is clamped on LED installation portion 2022 on corresponding side plane respectively.Thereby make each LED installation portion that an elastic claw 213 all be arranged, make the installation process of LED light-emitting device become convenient and simple, and formed Stability Analysis of Structures.And due to each LED installation portion is provided with elastic claw, so total is stressed even, reliability is high.

Especially, can be with reference to Fig. 8, brace table 2031 is arranged to have the side plane that shape (for example being arranged to the frustum shape of many ribs) and side plane towards the top convergent are set to tilt, and the lower end of elastic claw 213 arranges has the chamfer bevel 2131 corresponding with the side plane that tilts.The elastic claw 213 that is arranged so that of the chamfer bevel of the lower end of elastic claw 213 can form contacting of more fitting with the side plane that tilts under the clamping dress attitude of elastic dilatation, on having avoided concentrating on power a bit, make the application of force more even, and then making the clamping more firm of this inclination, reliability is high.

Preferably, as shown in Figure 7, elastic claw, a plurality of LED installation portion and a plurality of side plane are arranged to have the Central Symmetry shape respectively, thereby can make total stressed evenly, and as previously mentioned, this centrosymmetric structure is easy to manufacture, and structural stability is good.

With reference to Fig. 7-10, protective cover 210 can further comprise at least one grab 215, and the top of brace table 2031 has the hole clipping 2032 that coordinates with grab 215.Cooperation by grab 215 and hole clipping 2032 can make protective cover 210 be arranged on brace table 2031, thereby can realize with plain mode the fixed installation of protective cover.

Especially, with reference to Fig. 9-10, the inside of brace table 2031 forms cavity 2033, and hole clipping 2032 is communicated with cavity 2033.In addition, in order to realize pouring into injected plastics material from upper direction cavity 2033, the top of protective cover 210 also can comprise the hole 217 that is communicated with cavity 2033.Arranging of this connection can realize pouring into injected plastics material from the upper direction cavity 2033 of cavity 2033, thereby forms one housing 201(housing 201 as shown in the dash area in Fig. 9-10).This method from top perfusion injected plastics material is easy to perfusion is controlled, thereby realizes the housing of accurate shape.On the contrary, the known structure shown in Fig. 1-4 is owing to beginning to carry out injection moulding from the below, and the deficiency that easily produces injected plastics material is filled or excessive filling, thereby is unfavorable for the formation of the accurate shape of housing.

Especially, as shown in Figure 9, the hole 217 of protective cover 210 can be arranged to larger than hole clipping 2032.Can find out with reference to Fig. 9; such setting can make the top of the injected plastics material in the hole 217 that is poured into cavity 2033 and protective cover form and be roughly T shape; thereby after solidifying, injected plastics material will form the power of tension protective cover 210 downwards; further strengthened the fixing of protective cover 210, and the fastening structure of the luminous assembling of whole LED that further guarantees.

Preferably, protective cover 210 is provided with two grabs 215.Still more preferably, as shown in Figure 8, these two grabs 215 lay respectively at the relative both sides in hole 217.The grab that arranges like this due between have structure and weaken part (that is, the existence in hole make herein structural strength weakens), thereby make grab more easily produce distortion, make the clamping process of hole clipping 215 and hole clipping 2032 be more prone to realization.

In addition, protective cover 210 can be set to even thickness, and perhaps in other words protective cover 210 is not provided with optical texture.It is that emission does not exert an influence to light in order to make protective cover 210 that the setting of the even thickness of protective cover 210 or protective cover 210 are not provided with optical texture; also just say; the LED light-emitting device can realize that by the design of many sides LED module the wide angle light of LED distributes; thereby the cover that usually no longer needs protection distributes to light and further changes; thereby; do not need to make in order to carry out optical design again the complex structure of protective cover, that is, can make protective cover form a kind of simple structure.

Preferably, protective cover can be made by Merlon, thereby protective cover can form by injection moulding, and can have good impact resistance and stability after shaping.

In addition, the protective cover bottom can have smooth bead 211.The setting of smooth bead 211 of bottom can make final can be easily when carrying out the injection moulding of housing 201 and injected plastics material formation joint portion and fixing protective cover stably.

Below, the simple forming process of describing according to the LED light-emitting device of the utility model embodiment.

At first, gripper shoe 203 is formed connection, the wherein corresponding LED installation portion 2022 of a plurality of side plane supporting flexible PCB of brace table 2031 by the Kong Eryu LED luminescence component that is arranged on flexible PCB.

Then, the cooperation of protective cover 201 by grab 215 and hole clipping 2032 is connected on brace table, wherein, elastic claw 213 flexibly is clamped on LED installation portion 2022 on the side plane of brace table.

Then, fill injected plastics material by the hole 217 of protective cover 210 and the hole clipping 2032 of brace table 2031, then be cured, thereby form the housing shown in Fig. 9 and 10.Formed housing 201 surrounds the bottom periphery of protective cover, the periphery of gripper shoe and the periphery of flexible PCB at least.Housing 201 can be realized the further IP protection to LED light-emitting device 200.

Setting according to LED light-emitting device of the present utility model by protective cover 210 obtains good IP, and can realize the convenience of LED light-emitting device and assembling reliably by simple structure.

These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model within spirit of the present utility model and principle.

Claims (21)

1. LED light-emitting device, described LED light-emitting device comprises:

Gripper shoe (203) comprises the brace table (2031) with a plurality of side planes; And the LED luminescence component, comprising:

Flexible PCB has the hole and a plurality of LED installation portions (2022) corresponding with described a plurality of side planes of described brace table (2031) that pass through for described brace table (2031); And

A plurality of LED(2021), be installed on respectively on described a plurality of LED installation portions (2022),

It is characterized in that, described LED light-emitting device further comprises protective cover (210), and described protective cover (210) is mounted the cover cap residence to state brace table and described a plurality of LED(2021 is installed) described a plurality of LED installation portions (2022).

2. LED light-emitting device according to claim 1, is characterized in that, described protective cover (210) has the outline different from described brace table (2031).

3. LED light-emitting device according to claim 2; it is characterized in that; described protective cover has away from the end face of described LED luminescence component one side, circular arc side face and towards the opening that holds of described LED luminescence component one side, and described protective cover (210) utilizes and describedly holds opening with described brace table (2031) and described a plurality of LED(2021 is installed) described a plurality of LED installation portions (2022) cover cap therein.

4. the described LED light-emitting device of any one according to claim 1-3, is characterized in that,

Described protective cover (210) is included in the inside of described protective cover (210) from the top to the elastic claw of downward-extension (213), and described elastic claw (213) flexibly is clamped on described LED installation portion (2022) on described side plane.

5. LED light-emitting device according to claim 4, it is characterized in that, it is identical with the quantity of described a plurality of LED installation portions (2022) that the quantity of described elastic claw (213) is arranged to, and described elastic claw flexibly is clamped on described LED installation portion (2022) on corresponding described side plane respectively.

6. LED light-emitting device according to claim 4, it is characterized in that, described brace table (2031) is arranged to have the side plane that shape and described side plane towards the top convergent are set to tilt, and the lower end of described elastic claw (213) arranges has the chamfer bevel corresponding with the side plane of described inclination (2131).

7. LED light-emitting device according to claim 4, is characterized in that, described elastic claw, described a plurality of LED installation portions and described a plurality of side plane are arranged to have the Central Symmetry shape respectively.

8. LED light-emitting device according to claim 1, is characterized in that, described protective cover (210) further comprises at least one grab (215), and the top of described brace table (2031) has the hole clipping (2032) that coordinates with described grab (215).

9. LED light-emitting device according to claim 4, is characterized in that, described protective cover (210) further comprises at least one grab (215), and the top of described brace table (2031) has the hole clipping (2032) that coordinates with described grab (215).

10. according to claim 8 or 9 described LED light-emitting devices, is characterized in that, the inside of described brace table (2031) forms cavity (2033), and described hole clipping (2032) is communicated with described cavity (2033).

11. LED light-emitting device according to claim 10 is characterized in that, the top of described protective cover (210) comprises the hole (217) that is communicated with described cavity (2033).

12. LED light-emitting device according to claim 11 is characterized in that, the hole (217) of described protective cover (210) is arranged to larger than described hole clipping (2032).

13. LED light-emitting device according to claim 12 is characterized in that, described protective cover (210) is provided with two grabs (215), and described two grabs (215) lay respectively at the relative both sides in described hole (217).

14. according to claim 1 to 3, the described LED light-emitting device of any one, is characterized in that, described protective cover (210) is even thickness.

15. according to claim 1 to 3, the described LED light-emitting device of any one, is characterized in that, described protective cover (210) is not provided with optical texture.

16. according to claim 1 to 3, the described LED light-emitting device of any one, is characterized in that, described protective cover (210) is made by Merlon.

17. according to claim 1 to 3, the described LED light-emitting device of any one, is characterized in that, described protective cover (210) has the flat-top hemispherical shape.

18. according to claim 1 to 3, the described LED light-emitting device of any one, is characterized in that, the bottom of described protective cover (210) has smooth bead (211).

19. the described LED light-emitting device of any one according to claim 1 to 3; it is characterized in that; described LED light-emitting device further comprises the housing (201) that is formed by embedding and injection molding by injected plastics material, and described housing (201) surrounds the periphery of the bottom periphery of described protective cover (210), described gripper shoe (203) and the periphery of described flexible PCB (202) at least.

20. LED light-emitting device according to claim 19 is characterized in that, described injected plastics material further is filled in the cavity (2033) of described brace table.

21. a light fixture is characterized in that, comprises the described LED light-emitting device of any one according to claim 1 to 20.

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