CN104180344A - LED lamp - Google Patents

LED lamp Download PDF

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Publication number
CN104180344A
CN104180344A CN201310203046.9A CN201310203046A CN104180344A CN 104180344 A CN104180344 A CN 104180344A CN 201310203046 A CN201310203046 A CN 201310203046A CN 104180344 A CN104180344 A CN 104180344A
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CN
China
Prior art keywords
shell
circuit board
heat
light fixture
led light
Prior art date
Application number
CN201310203046.9A
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Chinese (zh)
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CN104180344B (en
Inventor
周明杰
刘永亮
Original Assignee
深圳市海洋王照明工程有限公司
海洋王照明科技股份有限公司
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Application filed by 深圳市海洋王照明工程有限公司, 海洋王照明科技股份有限公司 filed Critical 深圳市海洋王照明工程有限公司
Priority to CN201310203046.9A priority Critical patent/CN104180344B/en
Publication of CN104180344A publication Critical patent/CN104180344A/en
Application granted granted Critical
Publication of CN104180344B publication Critical patent/CN104180344B/en
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Abstract

The invention discloses an LED (Light Emitting Diode) lamp which comprises a main shell containing an LED, a driving circuit board and an outer shell, wherein the driving circuit board is fixed and sealed in the outer shell; the outer shell is made of a heat-transferring material and fixed on the exterior of the main shell; the LED and the driving circuit board are respectively arranged in the main shell and the outer shell; the heat of the driving circuit board is prevented from influencing the normal work of the LED; the outer shell is utilized to radiate the heat of the driving circuit board, so that the whole heat radiating property of the LED lamp is increased; the driving circuit board is sealed in the outer shell, so that the waterproof property of the driving circuit board is ensured.

Description

A kind of LED light fixture
Technical field
The present invention relates to lighting device, relate in particular to a kind of LED light fixture.
Background technology
Drive circuit board is arranged on enclosure interior by most of outdoor LED lamps, realizes waterproof by housing.When drive circuit board work, dispel the heat in enclosure interior by the mode of radiation, the more difficult derivation housing of heat, causes lamp interior temperature drift, affects the luminescent properties of LED.
Summary of the invention
Technical problem to be solved by this invention is, a kind of LED light fixture is provided, and is beneficial to the heat radiation of drive circuit board, ensures that LED is normally luminous.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of LED light fixture, comprise the main casing, drive circuit board and the shell body that contain LED; Described drive circuit board is fixed and is sealed in described shell body, and described shell body is made up of heat-conducting and is fixed on outside described main casing.
Wherein, described shell body is the Fang Tizhuan of an opening being connected into by five heat-conducting plates, and described shell body is formed in one.
Wherein, in described shell body, be filled with for described drive circuit board is sealed in to the fluid sealant in described shell body.
Wherein, described fluid sealant is silica gel.
Wherein, described shell body has relative openend and blind end, the parallel inner surface that is fixed on described blind end of described drive circuit board.
Wherein, between the outer wall of described shell body and the outer wall of described main casing, be provided with gap.
Wherein, described main casing is provided with heat radiation wall; The outer surface of described heat radiation wall and described shell body is fitted and connected.
Wherein, described heat radiation wall is two; Described shell body is between two described heat radiation walls, and the relative outer wall of described shell body two is fitted and connected with the wall that dispels the heat described in two respectively.
Wherein, the one side that described heat radiation wall deviates from described shell body is provided with multiple fin.
Wherein, described shell body is provided with engaging lug, and described main casing is provided with joint pin, and described engaging lug is fixedly attached to the end face of described joint pin by lock-screw.
The LED light fixture that the embodiment of the present invention provides, LED and drive circuit board are separately positioned in main casing and shell, avoid the normal work of the heat effects LED of drive circuit board: utilize shell body to dispel the heat to drive circuit board, thereby improve the heat dispersion of LED light fixture entirety; Drive circuit board is sealed in shell body, can ensure the water resistance of drive circuit board.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the decomposing schematic representation of the LED light fixture that provides of the preferred embodiment for the present invention;
Fig. 2 is the profile of the LED light fixture of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Referring to Fig. 1 to Fig. 2, be a kind of LED light fixture that preferred embodiment in the present invention provides, comprise the main casing 1, drive circuit board 2 and the shell body 3 that contain LED.Drive circuit board 2 is arranged in shell body 3, and shell body 3 is fixed on outside main casing 1.
Drive circuit board 2 is fixed and is sealed in shell body 3.For the ease of utilizing shell body 3 to dispel the heat to drive circuit board 2, drive circuit board 2 can be fixedly connected with the inwall laminating of shell body 3.
Shell body 3 is made up of heat-conducting, and as preferably, shell body 3 is aluminum, can ensure shell body 3 structural strengths, ensures heat dispersion simultaneously.In the present embodiment, the Fang Tizhuan of shell body 3 for being connected into by five heat-conducting plates, its opening forms an openend.Shell body 3 is formed in one simultaneously, to ensure its sealing property and heat conductivility thereof.On shell body 3, the heat-conducting plate relative with openend is the blind end of shell body 3, the parallel inner surface that is fixed on this heat-conducting plate of drive circuit board 2, make the parallel inner surface that is fixed on shell body 3 blind ends of drive circuit board 2, drive circuit board 2, away from the openend of shell body 3, further ensures drive circuit board 2 and extraneous completely cutting off.Herein, as other embodiment, drive circuit board 2 also can be fixed on the inner surface of other heat-conducting plates of shell body 3.
In shell body 3, be filled with for drive circuit board 2 being sealed in to the fluid sealant 30 in shell body 3, utilize fluid sealant 30 that interior shell body 3 space is filled up, drive circuit board 2 is embedded in fluid sealant 30, thereby drive circuit board 2 can be sealed in shell body 3, ensure the water resistance of drive circuit board 2, drive circuit board 2 can be firmly fixed in shell body 3 simultaneously.In present embodiment, fluid sealant 30 adopts silica gel, and its water insoluble and any solvent is nonpoisonous and tasteless, and stable chemical nature, can effectively ensure the water resistance in shell body 3.Utilizing fluid sealant 30 that drive circuit board 2 and shell body 3 are formed to an entirety, is a module, is convenient to it to carry out integral replacing maintenance.In other embodiment, also can adopt polyurethane sealant or silicone sealant etc. as fluid sealant.Herein, also can by other means drive circuit board 2 be sealed in shell body 3, for example, after drive circuit board 2 is fixed in shell body 3, the openend that one seal cover and shell body 3 are installed is tightly connected, or shell body 3 is made up of two half housings that are tightly connected, etc., can ensure equally the water resistance of LED light fixture.
Shell body 3 is fixed on outside main casing 1.As shown in Figure 1, in the present embodiment, main casing 1 is provided with two heat radiation walls 12, shell body 3 is between two heat radiation walls 12,3 liang of heat-conducting plates that are oppositely arranged of shell body are fitted and connected with two heat radiation walls 12 respectively, be beneficial to the heat radiation to shell body 3, the dissipation of heat of the circuit drives plate better shell body 3 being absorbed is to extraneous.For further improving the heat dispersion of heat radiation wall 12, the one side that heat radiation wall 12 deviates from shell body 3 is provided with multiple fin 121.Herein, as other embodiment, heat radiation wall 12 can be only one, is fitted and connected with 3 one outer surfaces of shell body; Or heat radiation wall 12 is three, is fitted and connected with three outer surfaces of shell body 3.
For the ease of being fixedly connected with of shell body 3 and main casing 1, shell body 3 is provided with engaging lug 33, and main casing 1 is provided with joint pin 13, and engaging lug 33 is fixedly attached to the end face of joint pin 13 by lock-screw 301.Further, engaging lug 33 is arranged on the open end of shell body 3, the parallel heat radiation wall 12 that fits in of joint pin 13, and it can be one-body molded with heat radiation wall 12.The axially parallel of joint pin 13 is axial in the first tube connector 31, while utilizing lock-screw 301 that engaging lug 33 is fixed to the end face of joint pin 13, can make the axially parallel of lock-screw 301 in the first tube connector 31.Engaging lug 33 is four, and joint pin 13 is also four, and the two is corresponding matching one by one, is distributed on the surrounding of shell body 3, to ensure the bonding strength between shell body 3 and main casing 1.
After the assembly connection of shell body 3 and main casing 1, the blind end of shell body 3, towards the outer wall of main casing 1, makes the blind end of shell body 3 be parallel to the outer wall of main casing 1.Affect the performance of LED for avoiding heat that drive circuit board 2 produces to be delivered to main casing 1 through shell body 3; Between the blind end outer wall of shell body 3 and the outer wall of main casing 1, there is gap, avoid the heat of drive circuit board 2 to be delivered in shell body 3; Utilize the gap between shell body 3 and main casing 1 to be convenient to ventilate, be beneficial to heat radiation.
Herein, as other embodiment, the openend of shell body 3 is towards the outer wall of main casing 1, and the relative openend of the blind end of shell body 3, away from the outer wall of main casing 1, impacts the device in main casing 1 with the heat of avoiding drive circuit board 2.
Above embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of this technical scheme.

Claims (10)

1. a LED light fixture, is characterized in that, comprises the main casing, drive circuit board and the shell body that contain LED; Described drive circuit board is fixed and is sealed in described shell body, and described shell body is made up of heat-conducting and is fixed on outside described main casing.
2. LED light fixture according to claim 1, is characterized in that, described shell body is the Fang Tizhuan of an opening being connected into by five heat-conducting plates, and described shell body is formed in one.
3. LED light fixture according to claim 1, is characterized in that, is filled with for described drive circuit board is sealed in to the fluid sealant in described shell body in described shell body.
4. LED light fixture according to claim 3, is characterized in that, described fluid sealant is silica gel.
5. LED light fixture according to claim 1, is characterized in that, described shell body has relative openend and blind end, the parallel inner surface that is fixed on described blind end of described drive circuit board.
6. LED light fixture according to claim 1, is characterized in that, between the outer wall of described shell body and the outer wall of described main casing, is provided with gap.
7. LED light fixture according to claim 1, is characterized in that, described main casing is provided with heat radiation wall; The outer surface of described heat radiation wall and described shell body is fitted and connected.
8. LED light fixture according to claim 7, is characterized in that, described heat radiation wall is two; Described shell body is between two described heat radiation walls, and the relative outer wall of described shell body two is fitted and connected with the wall that dispels the heat described in two respectively.
9. LED light fixture according to claim 7, is characterized in that, the one side that described heat radiation wall deviates from described shell body is provided with multiple fin.
10. LED light fixture according to claim 1, is characterized in that, described shell body is provided with engaging lug, and described main casing is provided with joint pin, and described engaging lug is fixedly attached to the end face of described joint pin by lock-screw.
CN201310203046.9A 2013-05-28 2013-05-28 A kind of LED lamp Active CN104180344B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310203046.9A CN104180344B (en) 2013-05-28 2013-05-28 A kind of LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310203046.9A CN104180344B (en) 2013-05-28 2013-05-28 A kind of LED lamp

Publications (2)

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CN104180344A true CN104180344A (en) 2014-12-03
CN104180344B CN104180344B (en) 2017-08-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM277876U (en) * 2005-03-24 2005-10-11 Bing-Kuen Lin LED flood light
CN102141200A (en) * 2010-02-01 2011-08-03 傅德军 High-power LED (light emitting diode) light fitting
US20110317425A1 (en) * 2010-06-23 2011-12-29 Lg Electronics Inc. Light module and module type lighting device
CN102563577A (en) * 2010-12-30 2012-07-11 海洋王照明科技股份有限公司 Lamp driver and glue filling method of electric shell assembly
CN202419331U (en) * 2011-06-08 2012-09-05 江苏扬子机电科技有限公司 High-power LED (light-emitting diode) street lamp of heat loss through convection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM277876U (en) * 2005-03-24 2005-10-11 Bing-Kuen Lin LED flood light
CN102141200A (en) * 2010-02-01 2011-08-03 傅德军 High-power LED (light emitting diode) light fitting
US20110317425A1 (en) * 2010-06-23 2011-12-29 Lg Electronics Inc. Light module and module type lighting device
CN102563577A (en) * 2010-12-30 2012-07-11 海洋王照明科技股份有限公司 Lamp driver and glue filling method of electric shell assembly
CN202419331U (en) * 2011-06-08 2012-09-05 江苏扬子机电科技有限公司 High-power LED (light-emitting diode) street lamp of heat loss through convection

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