CN208474971U - A kind of waterproof LED lamp of excellent heat radiation performance - Google Patents

Abstract

The utility model relates to led light technology fields, and in particular to a kind of waterproof LED lamp of excellent heat radiation performance.The utility model heat dissipation performance is good, the heat that LED chip generates is transmitted to radiator by die bond layer, heat sink, the second thermally conductive layer of paste, aluminum substrate and the first thermally conductive layer of paste, it is radiated in a manner of convection current radiation to ambient air radiator fin, so that LED chip junction temperature reduces, ensure that the utility model works normally；The lamp housing two sides setting environment optical acquisition device and heat of the utility model release infrared inductor, when ambient light is too low or someone close to when LED chip work shine, thus the loss of electric energy is effectively reduced, use cost is reduced, improves the intelligence degree of the utility model；It is provided with sealing ring between the utility model lamp housing and reflector, increases sealing performance, the light for reducing LED chip leaks out situation, avoids rainwater from entering in lamp housing and damages to inner body, waterproof performance is excellent.

Description

A kind of waterproof LED lamp of excellent heat radiation performance

Technical field

The utility model relates to led light technology fields, and in particular to a kind of waterproof LED lamp of excellent heat radiation performance.

Background technique

LED lamp, also known as LED lamp refer to energy light transmission, distribution and the utensil for changing LED light source light distribution, It is used to fixing and protecting whole parts and components needed for LED light source including all in addition to LED light source, and connecting to power supply must The route attachment needed.

LED lamp with it efficiently, energy conservation, safety, longevity, the technical characterstics such as small and exquisite, clear light, at For main force's product of illumination market of new generation, and effectively pull the high speed development of environmental protection and energy-conservation industry.LED light has antidetonation resistance to Impact, the features such as speed of photoresponse is fast, power saving and service life are long, are widely used in various indoor, outdoor display screens, be divided into it is panchromatic, Double-colored and single color display screen.LED illumination light source can also be used to replace traditional lighting lamps and lanterns.This replacement trend, which has begun, to be related to Indoor and outdoor, commercial lighting, road industrial lighting etc..

Authorization Notice No. are as follows: the patent of CN205782113U, Novel LED light, including bottom cover, reflector, LED light source and thoroughly Bright the cover, the LED light source are located in reflector, and the reflector is located in the cover of bottom, and the transparent cover is connected to the bottom On cover and for being provide with the reflector.Its structure is simple, facilitates optically focused, but its heat dissipation effect is poor, and poly- temperature is excessively high to be caused Part life is impaired；In addition existing LED light does not have function with an automatic light meter, and electric energy loss is larger, does not meet instantly energy saving The demand of environmental protection.

Utility model content

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of preventing for excellent heat radiation performance Water LED lamp, not only condenser performance is good, waterproofness is strong but also heat dissipation effect is excellent, low energy consumption.

The technical solution that this patent solves above-mentioned technical problem is as follows: a kind of waterproof LED lamp of excellent heat radiation performance, including lamp Shell is equipped with LED chip in the lamp housing, be disposed with below the LED chip die bond layer, heat sink, aluminum substrate and Radiator, it is that top is provided with reflector that the die bond layer is located in the lamp housing, and the top of the lamp housing is equipped with translucent cover, The side of the lamp housing is provided with environment optical acquisition device, and the other side is provided with heat and releases infrared inductor.

Further, be provided with the first thermally conductive layer of paste between the aluminum substrate and radiator, the aluminum substrate and it is heat sink it Between be provided with the second thermally conductive layer of paste.

Further, sealing ring is provided between the lamp housing and reflector.

Further, the radiator is rib film-type radiator.

Further, the rib thickness of the radiator is 0.5-1.5mm.

The beneficial effect of this patent is:

1, the utility model heat dissipation performance is good, and the heat that LED chip generates passes through die bond layer, heat sink, the second heat-conducting cream Layer, aluminum substrate and the first thermally conductive layer of paste are transmitted to radiator, radiator fin in a manner of convection current radiation around Surrounding air heat dissipation ensures that the utility model works normally so that LED chip junction temperature reduces；

2, the lamp housing two sides setting environment optical acquisition device of the utility model and heat release infrared inductor, when ambient light mistake Low or someone close to when LED chip work shine, thus effectively reduce the loss of electric energy, reduce use cost, improve this The intelligence degree of utility model；

3, it is provided with sealing ring between the utility model lamp housing and reflector, increases sealing performance, reduce LED chip Light leaks out situation, avoids rainwater from entering in lamp housing and damages to inner body, waterproof performance is excellent.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of the waterproof LED lamp of excellent heat radiation performance described in the utility model specific embodiment；

Appended drawing reference:

1- lamp housing；2-LED chip；3- die bond layer；4- is heat sink；5- aluminum substrate；6- radiator；7- reflector； 8- translucent cover；9- environment optical acquisition device；10- heat releases infrared inductor；The thermally conductive layer of paste of 11- first；12- second is thermally conductive Layer of paste；13- sealing ring.

Specific embodiment

It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation Novel protection scope.

It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality The ordinary meaning understood with novel one of ordinary skill in the art.

In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower" Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.

In this application unless specifically defined or limited otherwise, the terms such as term " installation " shall be understood in a broad sense, example Such as, it may be a fixed connection, may be a detachable connection, or is integral.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.

Embodiment

As shown in Figure 1, a kind of waterproof LED lamp of excellent heat radiation performance provided by the utility model, including lamp housing 1, it is described LED chip 2 is installed, the lower section of the LED chip 2 is disposed with die bond layer 3, heat sink 4, aluminum substrate 5 and dissipates in lamp housing 1 Hot device 6, being located at the die bond layer 3 in the lamp housing 1 is that top is provided with reflector 7, and the top of the lamp housing 1 is equipped with Bright cover 8, the side of the lamp housing 1 is provided with environment optical acquisition device 9, and the other side is provided with heat and releases infrared inductor 10.

Further, the first thermally conductive layer of paste 11, the aluminum substrate 5 and heat are provided between the aluminum substrate 5 and radiator 6 The second thermally conductive layer of paste 12 is provided between heavy 4.

Further, it is provided with sealing ring 13 between the lamp housing 1 and reflector 7, increases sealing performance, reduce LED The light of chip leaks out situation, avoids rainwater from entering in lamp housing and damages to inner body, waterproof performance is excellent.

Further, the radiator 6 is rib film-type radiator.

Further, the rib thickness of the radiator 6 is 0.5-1.5mm, and radiator self structure has limitation, and fin is high Spend limited, the high variation of rib influences the contact area of radiator and environment smaller.Therefore, by changing radiator fin number Amount, rib are thick, with the minimum index of the junction temperature of chip of LED light, carry out numerical simulation to the heat dissipation of LED lamp, and then obtain chip knot Radiator fin quantity and rib when temperature is minimum is thick.To keep radiator heat-dissipation effect more preferable, fin is evenly distributed on heat sink side On face；Increased by the junction temperature of chip that experiment can obtain LED lamp with the reduction of fin thickness, is reduced with the increase of fin quantity. Since processing technology limits, fin thickness cannot be too small, and the rib thickness of radiator 6 is 0.5-1.5mm, the best rib of radiator 6 Thickness is 1.0mm.

Concrete operating principle are as follows: photo resistance is also known as photoconductive tube, and common making material is cadmium sulfide.These making materials With the characteristic that under the irradiation of the light of specific wavelength, resistance value is reduced rapidly.Light intensity under natural light or a certain installation environment The circuit diagram of Acquisition Circuit is fairly simple, is connect by power supply and is grounded after being connected after the resistance of a 5K Ω with photo resistance, light Quick ohmically voltage is being converted with luminous intensity difference, and the A/D that this voltage is sent into single-chip microcontroller is sampled；When someone enters Then input high level, people leave induction range then automatic time delay closing high level, export low level its induction range.Pyroelectricity is red The infrared ray that the human hair that outer sensor can will test is penetrated is converted into electric signal output.If single-chip microcontroller receives sensor output Be high level, then it is assumed that with the presence of human body.The utility model further includes single-chip microcontroller, by the way that LED is arranged in single-chip microcontroller in advance The intensity of illumination threshold value of chip operation, by the light of environment optical acquisition device real-time monitoring environment, when light intensity is lower than institute When the threshold value of setting, LED chip is started to work；Heat releases infrared inductor real-time monitoring, and whether someone is close to the utility model, when Someone close to when, LED chip start to work；The working time that LED chip can be effectively reduced is arranged such, and then reduces electricity It can loss.LED chip work when, LED chip generate heat by die bond layer, heat sink, the second thermally conductive layer of paste, aluminum substrate and First thermally conductive layer of paste is transmitted to radiator, is radiated in a manner of convection current radiation to ambient air radiator fin, So that LED chip junction temperature reduces, ensure that the utility model works normally.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (5)

1. a kind of waterproof LED lamp of excellent heat radiation performance, it is characterised in that: including lamp housing, LED chip is installed in the lamp housing, It is disposed with die bond layer, heat sink, aluminum substrate and radiator below the LED chip, is located in the lamp housing described solid Crystal layer is that top is provided with reflector, and the top of the lamp housing is equipped with translucent cover, and the side of the lamp housing is provided with environment light Acquisition device, the other side are provided with heat and release infrared inductor.

2. a kind of waterproof LED lamp of excellent heat radiation performance according to claim 1, it is characterised in that: the aluminum substrate and dissipate Be provided with the first thermally conductive layer of paste between hot device, the aluminum substrate and it is heat sink between be provided with the second thermally conductive layer of paste.

3. a kind of waterproof LED lamp of excellent heat radiation performance according to claim 2, it is characterised in that: the lamp housing with it is reflective Sealing ring is provided between cover.

4. a kind of waterproof LED lamp of excellent heat radiation performance according to claim 3, it is characterised in that: the radiator is rib Film-type radiator.

5. a kind of waterproof LED lamp of excellent heat radiation performance according to claim 4, it is characterised in that: the rib of the radiator Thickness is 0.5-1.5mm.