CN202327698U

CN202327698U - LED (Light-Emitting Diode) lamp module

Info

Publication number: CN202327698U
Application number: CN2011203894690U
Authority: CN
Inventors: 梁俊
Original assignee: SHENZHEN RISHANG OPTO-ELECTRONICS CO LTD
Current assignee: Rishang Optoelectronics Co., Ltd.
Priority date: 2011-10-13
Filing date: 2011-10-13
Publication date: 2012-07-11
Anticipated expiration: 2021-10-13

Abstract

The utility model relates to an LED (Light-Emitting Diode) lamp module which comprises a housing and an LED. The housing is provided with an accommodating cavity; the housing is an integrated full plastic covered housing formed by injection molding; the housing comprises a body, two fixing parts which are respectively arranged at both ends of the body and a supporting part which extends to the bottoms of the fixing parts from the bottom surface of the body; and the LED is accommodated in the accommodating cavity. The integrated full plastic-covered housing has excellent sealing performance, the relative stability of the housing can be kept under the supporting action of the supporting part, and the layered phenomenon caused by stress is avoided, so that the LED lamp module has good waterproof and dustproof performances.

Description

LED lamp module

[technical field]

The utility model relates to the LED lighting field, relates in particular to a kind of LED lamp module.

[background technology]

Present LED (Light Emitting Diode; Light emitting diode) technology is widely used in lighting field; Big based on the LED lamp module of LED technology because of its super brightness, low-power consumption, irradiated area, characteristics such as simple are installed, be widely used in places such as advertising lamp box, sign signboard, propaganda Warning Mark.Along with the maturation gradually of LED lamp module technology, its range of application will be more extensive.

Existing LED lamp module all is to form glue-line and then printed circuit board (PCB) is fixed to the enclosure of prepared beforehand moulding through the injection heat melten gel.When LED lamp module is installed, be prone to the phenomenon of glue-line and printed circuit board (PCB) layering after LED lamp module is stressed, make the water proof and dust proof performance of LED lamp module reduce greatly, can't adapt to many, the moist working environment of rainwater.

[utility model content]

Based on this, be necessary to provide a kind of LED lamp module of water proof and dust proof better performances.

A kind of LED lamp module comprises:

Shell has a host cavity, and said shell is the complete plastic shell of integral type of injection mo(u)lding, comprise body, respectively be located at said body two ends two fixed parts and extend to the support portion of said bottom of fixing part from the bottom surface of said body; And

LED is contained in the said host cavity.

In a preferred embodiment, also comprise printed circuit board (PCB), said printed circuit board (PCB) is arranged at the inside of said shell, and said LED is arranged on the surface of said printed circuit board (PCB).

In a preferred embodiment, also comprise the LED driving element, said LED driving element is arranged at and is used to drive said LED on the said printed circuit board (PCB).

In a preferred embodiment, the both sides of said printed circuit board (PCB) offer the U-shaped locating hole respectively.

In a preferred embodiment, another surface that said printed circuit board (PCB) is relative with said LED offers locating slot.

In a preferred embodiment, offer through hole on the said printed circuit board (PCB), said through hole is positioned at the both sides of said LED.

In a preferred embodiment, the top of said shell offers loophole, and the position of said loophole is corresponding with the position of said LED.

In a preferred embodiment, said LED lamp module also comprises translucent cover, and said translucent cover is arranged at said loophole top.

In a preferred embodiment; The inwall of said loophole forms arc convex; Said arc convex offers connecting hole; The bottom of said translucent cover is provided with to the grab that extends below, and said grab passes said connecting hole and said through hole and is connected to bottom surface and the fixing said translucent cover of said printed circuit board (PCB).

In a preferred embodiment, the top of said fixed part offers the installing hole that extends to the bottom, and said installing hole is used to install said LED lamp module.

The shell of above-mentioned LED lamp module is the complete plastic shell of the integral type of injection mo(u)lding, and comprise body, respectively be located at body two ends two fixed parts and extend to the support portion of bottom of fixing part from the bottom surface of body.The complete plastic shell of this integral type has good sealing property, and because the supporting role of support portion can keep the relative stability of shell, can not make this LED module have water proof and dust proof performance preferably because of the stressed lamination that occurs.

[description of drawings]

Fig. 1 is the stereogram of the LED lamp module of an embodiment;

Fig. 2 is the decomposing schematic representation of LED lamp module shown in Figure 1;

Fig. 3 is the structural representation at another visual angle of the described LED lamp of Fig. 1 module.

[specific embodiment]

Below through the specific embodiment above-mentioned LED lamp module is further set forth.

See also Fig. 1 to Fig. 3, the LED lamp module 100 of an embodiment comprises printed circuit board (PCB) 10, LED 20, LED driving element 30 and shell 40.

Printed circuit board (PCB) 10 is the devices that are used to carry LED lamp module 100 intrawares.LED lamp module 100 each inner assembly are arranged on the surface of printed circuit board (PCB) 10.In this embodiment, printed circuit board (PCB) 10 is roughly rectangular slab.U-shaped locating hole 12 is offered in the both sides of printed circuit board (PCB) 10, and U-shaped locating hole 12 is corresponding with the boss (figure does not show) of injection mold, makes when injection moulding, is convenient to printed circuit board (PCB) 10 is positioned in the injection mold (figure does not show) exactly.

Also offer through hole 14 on the printed circuit board (PCB) 10.In embodiment, the quantity of through hole 14 is four, wherein is symmetrically distributed in twos.

Further, offer locating slot (figure does not show) on the relative surface of each assembly of printed circuit board (PCB) 10 and inside.Locating slot is corresponding with the reference column (figure does not show) of injection mold; Make when injection moulding; Printed circuit board (PCB) 10 can firmly place with reference column on; Thereby can be in injection mold unsettled certain altitude so that the shell of injection mo(u)lding 40 can wrap up printed circuit board (PCB) 10 fully, improve the sealing of LED lamp module 100.

Be appreciated that in its embodiment, also printed circuit board (PCB) 10 can be set, and get final product through lead being drawn internally be connected with outside printed circuit board (PCB).

LED 20 is arranged on the surface of printed circuit board (PCB) 10, can select the LED of different capacity according to actual needs.In this embodiment, LED20 adopts the higher source luminance of 5630 encapsulation, and the quantity of LED20 is two, is symmetricly set in the both sides of printed circuit board (PCB) 10, and is arranged at respectively between two through holes 14.Adopt the LED of high-power and high-luminance, significantly reduced the quantity of cloth lamp.

LED driving element 30 is arranged on the surface of printed circuit board (PCB) 10, and is arranged at the same surface of printed circuit board (PCB) 10 with LED20.LED driving element 30 is used for driving LED 20, and is complementary with the LED20 of different capacity.In the present embodiment, LED driving element 30 is arranged between two groups of LED, and structure is comparatively compact.Be appreciated that in other embodiments, also LED driving element 30 can be set, and through lead is drawn internally, be connected with the driving element of outside and get final product.

For being complementary with printed circuit board (PCB) 10, shell 40 is roughly the cuboid housing, have one be roughly cuboid host cavity (figure does not show).Shell 40 is the complete plastic shell of integral type of injection mo(u)lding, makes printed circuit board (PCB) 10, LED20 and LED driving element 30 be contained in fully in the host cavity and is also wrapped up by shell 40 fully, and be sealed into one, sealing is good.

Shell 40 comprise body 41, respectively be located at body 41 two ends two fixed parts 42 and extend to the support portion 42 of the bottom of fixed part 42 from the bottom surface of body 41.

Body 41 is the cuboid housing.The bottom surface of body 41 is formed with fabrication hole 412.After injection mo(u)lding, when LED lamp module 100 is taken out, form fabrication hole 412 behind the extraction reference column from injection mold.

Fixed part 42 is roughly the arc-shaped convex that is formed at body 41 two ends, and its top offers the installing hole 422 that extends to the bottom.LED lamp module 100 being mounted to external equipment (figure do not show) when lasting, pass installing hole 422 installations with securing member and get final product, very convenient.Also offer through wires hole 424 on the side of fixed part 42.

Support portion 43 is roughly the D template, and fits with the bottom surface of fixed part 42.The arc limit of the arc tips of support portion 43 and fixed part 42 is complementary.The 43 pairs of shells 40 in support portion are played a supporting role, and can prevent effectively that shell 40 from producing the phenomenon of layering when stressed.

The middle part of support portion 43 offers circular port 432; The aperture of circular port 432 equates with installing hole 422 apertures; And both are connected at center-aligned, make when being installed on LED module 100 on the external equipment, and the supporting role of the 43 pairs of shells 40 in support portion has further been strengthened in the effect of securing member.

Further, offer loophole 44 on the end face of shell 40, the position of loophole 44 is corresponding with the position of LED20, makes the luminous energy that sends of LED20 from loophole 44, disperse out.In this embodiment, the quantity of loophole 44 is two, is complementary with the quantity of LED20.Loophole 44 is roughly truncated rectangular pyramids shape through hole, and its big end is towards the outside of shell 40, helps enlarging the area that distributes of the light that sent by LED20.The effect of protection LED20 is played in the setting of loophole 44.Form arc convex 442 on the inwall of loophole 44, arc convex 442 offers connecting hole 4422.

Further, LED lamp module 100 also comprises translucent cover 50.Translucent cover 50 is arranged on the loophole 44, make light that LED20 sends through translucent cover 50 to external irradiation, also can play the effect of sealing loophole 44 simultaneously, thereby further improve the sealing of shell 40.

The bottom of translucent cover 50 is provided with to the grab that extends below 52.When translucent cover 50 was installed on loophole 44 tops, grab 52 passed connecting hole 4422 and through hole 14, thereby and the bottom surface that is connected to printed circuit board (PCB) 10 translucent cover 50 is fixed on the top of LED20.Grab 52 be provided with can be effectively fixing translucent cover 50, it can not come off easily.

Be appreciated that; Also grab 52 can be set; But translucent cover 50 is fixed on the loophole 44 through the mode of glue; But after long-time the use, the water proof and dust proof effect of the product of the mode of employing glue can be had a greatly reduced quality, and can obtain the water proof and dust proof effect of continuation through the fixed form that grab 52 is set.

In addition, the two ends of the end face of shell 40 also are provided with both positive and negative polarity sign 45, and both positive and negative polarity connects anti-phenomenon in the time of can preventing a plurality of LED lamp of serial or parallel connection module 100 well.

Further, LED lamp module 100 also comprises power line 60.The quantity of power line 60 is four.Four power line 60 one group of arrangements in twos, the end of the power line 60 of each group and LED driving element 30 are arranged on the same surface of printed circuit board (PCB) 10.Every power line 60 thickness and the size of through wires hole 424 be complementary, with the sealing of further assurance LED lamp module 100.One end of each root power line 60 is electrically connected with LED driving element 30, and the other end stretches out, pass the through wires hole 424 of fixed part 42 after, link to each other with external equipment (figure do not show), or realize the connection in series-parallel between a plurality of LED lamp modules 100.

The shell 40 of above-mentioned LED lamp module 100 is the complete plastic shell of integral type of injection mo(u)lding, and comprise body 41, respectively be located at body 41 two ends two fixed parts 42 and extend to the support portion 43 of the bottom of fixed part 42 from the bottom surface of body.The complete plastic shell of the integral type of this injection mo(u)lding has good sealing property; Simultaneously because the supporting role of support portion can keep the relative stability of shell 40; Can not make this LED module 100 have water proof and dust proof performance preferably because of the stressed lamination that occurs when mounted.

The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.

Claims

1. a LED lamp module is characterized in that, comprising:

LED is contained in the said host cavity.

2. LED lamp module according to claim 1 is characterized in that also comprise printed circuit board (PCB), said printed circuit board (PCB) is arranged at the inside of said shell, and said LED is arranged on the surface of said printed circuit board (PCB).

3. LED lamp module according to claim 2 is characterized in that, also comprises the LED driving element, and said LED driving element is arranged at and is used to drive said LED on the said printed circuit board (PCB).

4. LED lamp module according to claim 2 is characterized in that the both sides of said printed circuit board (PCB) offer the U-shaped locating hole respectively.

5. LED lamp module according to claim 2 is characterized in that, another surface that said printed circuit board (PCB) is relative with said LED offers locating slot.

6. LED lamp module according to claim 2 is characterized in that offer through hole on the said printed circuit board (PCB), said through hole is positioned at the both sides of said LED.

7. LED lamp module according to claim 6 is characterized in that the top of said shell offers loophole, and the position of said loophole is corresponding with the position of said LED.

8. LED lamp module according to claim 7 is characterized in that, said LED lamp module also comprises translucent cover, and said translucent cover is arranged at said loophole top.

9. LED lamp module according to claim 8; It is characterized in that; The inwall of said loophole forms arc convex; Said arc convex offers connecting hole, and the bottom of said translucent cover is provided with to the grab that extends below, and said grab passes said connecting hole and said through hole and is connected to bottom surface and the fixing said translucent cover of said printed circuit board (PCB).

10. LED lamp module according to claim 1 is characterized in that, the top of said fixed part offers the installing hole that extends to the bottom, and said installing hole is used to install said LED lamp module.