CN207279540U

CN207279540U - Great power LED dynamo lighting set

Info

Publication number: CN207279540U
Application number: CN201720622699.4U
Authority: CN
Inventors: 冯西芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-15
Filing date: 2017-05-17
Publication date: 2018-04-27
Anticipated expiration: 2027-05-17

Abstract

The utility model discloses a kind of great power LED dynamo lighting set, it includes housing, optics, drive circuit are provided with housing, great power LED, aluminum substrate and radiator are provided with behind optics, the radiator is L-type, L-type radiator for plane with aluminum substrate heat conduction while be connected, the other end is provided with radiating fin, and radiating fin is arranged at lamp body inner ventilation or hull outside ventilation.By varying radiator structure and radiator in the design inside and outside housing on diverse location, realize ventilation and heat, improve heat dissipation effect.Great power LED, drive circuit, aluminum substrate and radiator become the independent accessory of the replacement that is easy for installation and maintenance by connecting bracket being integrally formed structure.Thermistor above drive circuit is connected with radiator heat conduction, implements overtemperture control, work that can be safe and reliable to great power LED dynamo lighting set.The utility model is simple in structure, production cost is low, performance is stable, long lifespan, it is primarily adapted for use in electric bicycle, electro-tricycle and motorcycle.

Description

Great power LED dynamo lighting set

Technical field：

A kind of dynamo lighting set is the utility model is related to, particularly with regard to a kind of great power LED dynamo lighting set.

Background technology：

Application of the great power LED in terms of car light at present is very extensive, especially on electric bicycle and electro-tricycle Use.The advantages that its power saving, energy saving, highlighted, long lifespan has been known by everybody.Using it turns out that, with a period of time The serious light decay of this car light afterwards, until do not work completely, can not since the integrated accessory that in the market does not have professional technique provides Repair.The main reason for causing result is the structure problem of car light, and great power LED dynamo lighting set is not reaching to high-quality in the design The condition of heat dissipation, even without heat sinking function, causes premature light decay and damages.

The content of the invention：

The purpose of this utility model is to provide a kind of great power LED dynamo lighting set, by varying radiator structure and dissipate Design of the hot device on lamp body diverse location, solves heat dissipation problem.Pass through drive circuit and negative tempperature coefficient thermistor Fit applications, solve vehicle lay-off when, great power LED temperature rise and caused by light decay.LED, drive circuit, aluminum substrate It is integral with radiator set, and with heat dissipation, temperature control and the multi-functional integrated accessory of moistureproof and waterproof, easy to produce and maintenance Replace.

The utility model is to be achieved through the following technical solutions：Great power LED dynamo lighting set, it includes housing, in housing Optics, drive circuit are provided with, great power LED, aluminum substrate and radiator are provided with behind optics.The radiator For L-type, L-type radiator for plane with aluminum substrate heat conduction while be connected, another side is provided with radiating fin.Radiating fin is arranged on At lamp body inner ventilation or hull outside ventilation, radiating fin direction are facing forward；Radiating fin is arranged on housing outer bottom Ventilation, bar shaped step is provided with L-type radiator root, stripe shape step top is provided with fixed strip, radiator one Upper thick and lower thin trapezoidal socket is provided with housing behind side below plane and separately sets an independent ladder type supporting with it and is inserted Pin, for fixed heat sink.The rectangle that housing bottom is provided with towards housing outer bottom below the plane of L-type radiator one side is opened Mouthful, L-type radiator is inserted into housing at oblong openings, and radiating fin is limited by the step on its left side and the bar shaped step on the right System is in housing outer bottom.In latch insertion slot, under slot bottom and fixed strip, latch supports L-type by fixed strip Radiator, makes L-type radiator be fixed on the rear outside of optics by latch support.Great power LED and aluminum substrate are squeezed successively Gu among optics and L-type radiator.

To realize the purpose of this utility model, there is following measure：The L-type heat radiator fin is arranged under optics Pane with ventilation and decorative effect is set behind the ventilating opening of side, before ventilating opening, rectangle is provided with behind ventilating opening Window, the window left side are provided with an independent gas outlet.Ventilating opening left hand edge at L-type radiating fin 3/4ths tiltedly to setting Keep out the wind and batten and be connected with the pane left side.It is distinguished and admirable to enter from pane by ventilating opening between radiating fin when vehicle is run Gap, after being blocked by the batten that keeps out the wind, flows to gas outlet, then be discharged into housing by gas outlet from the gap bottom between radiating fin Outside, achieve the purpose that heat dissipation；Great power LED and drive circuit are provided with above the aluminum substrate；Set above drive circuit It is equipped with negative tempperature coefficient thermistor；The hole for placing thermistor is provided below in L-type radiator root；Thermistor is placed into In hole, when vehicle lay-off, the distinguished and admirable cooling effect to L-type radiating fin is lost, when temperature can sharply rise to 50 degree, heat Quick resistance, which reduces, goes control drive circuit to reduce the supply current of LED, so as to control the temperature rise of LED PN junctions, makes LED light decays caused by temperature rise are under control；The frontal plane on described L-type radiator one side is provided with two sides for forming groove position Bar, after aluminum substrate is put into groove position, fills and applies one layer of protective rubber, strengthens drive circuit moistureproof and waterproof protection.Plane is provided with solid afterwards Determine bar, at this moment fixed strip is used to be located by connecting with stent；The aluminum substrate, L-type radiator are integrated, and can use between it Screw connects and composes integral structure.Or the connecting bracket of being integrally formed structure is provided between it, set above connecting bracket Be equipped with buckle (be used for fix aluminum substrate), bayonet (be used for and fixed strip coordinate position), fixing threaded hole (be used for connecting bracket with The connection of optics or housing) and fixed conducting wire line card (back side for being arranged on stent)；When car light power is smaller, heat dissipation When fin area is again sufficiently large, temperature-controlling system and integral structure accessory can be not provided with, aluminum substrate, L-type radiator are set gradually Exterior after optics, radiating fin sets the ventilation of ventilation inside housings or outside, and L-type radiator is by back casing Or the pillars squeeze being located above back casing is fixed.When there is no supporting point support below L-type radiator, after closing back casing, after The pillar that housing extrudes fulcrum or is located above back casing plays it extruding supporting role by fixed strip；For box electric Car light used in bicycle need to only design optics in box-type shell, and integral structure accessory is fixed on optics On, integral structure accessory and optics are directly matched with vehicle, and radiating fin is at this moment necessary possibly remote from ventilating opening Set distinguished and admirable director to be fixed with radiator in-between, or the design of distinguished and admirable director is matched somebody with somebody in vehicle with heat radiator fin Set.The air inlet of distinguished and admirable director should be greater than gas outlet, and allow the distinguished and admirable bottom for entering gap between L-type heat radiator fin, Radiated by the outlet air of gap bottom both sides；The radiator is following few one hollow drawn, and is led among it for plane with aluminum substrate It is thermally connected, is provided at both ends with radiating fin.Radiating fin is oppositely extending, and development length is less than radiating fin length.Radiating fin The both sides of lamp body are arranged on, and are embedded on the housing on both sides.Temperature control is such as needed, thermistor is with radiator plane close to solid Fixed, this radiator is aluminium alloy extrusions.

The beneficial effects of the utility model are：By varying the setting on lamp body of structure and radiator of radiator Position is different, for improving the heat dissipation effect of great power LED dynamo lighting set and the design of different lamp-type, plays certain positive work With.Implement temperature control with the combination of drive circuit and thermistor, circuit is simple, and temperature control is sensitive.Radiator uses aluminium alloy extrusions Easy processing, cost are low.Luminous, driving, heat dissipation are integrally formed, easy to produce, maintenance is replaced, and drive circuit is also with moisture-proof anti- Water-cooled function, makes electric property, product quality effectively be lifted, and integrated accessory that can be independent as one is in market Upper production and sales.

Brief description of the drawings：

Fig. 1 is great power LED dynamo lighting set schematic diagram；

Fig. 2 is connecting bracket schematic diagram；

In figure, 1 reflector, 2 translucent covers, 3 great power LEDs, 4 planes of reflection, 5 aluminum substrates, 6 edge strips, 7 radiators, 8 fix Bar, 9 pillars, 10 housings, 11 radiator roots, 12 thermistor holes, 13 windows, 14 prismatic reflection faces, 15 fin gaps, 16 Pane, 17 ventilating openings, 18 radiating fins, 19 edge strips, 20 bar shaped steps, 21 buckles, 22 fixing threaded holes, 23 bayonets, 24 line cards, 25 Step

Embodiment：

Shown in Fig. 1：Great power LED dynamo lighting set, including housing 10, optics 1 and driving electricity are provided with housing 10 Road, optics 1 are provided with great power LED 3, aluminum substrate 5 and radiator 7 below, and the radiator is L-type, L types radiator 7 While being connected for plane with 5 heat conduction of aluminum substrate, another side is provided with radiating fin 18.Radiating fin 18 is arranged on inside housing 10 Ventilation；Radiating fin 18 can also be provided at the ventilation of housing outer bottom, and housing is upper and lower casing structure at this time.L-type dissipates Be provided with upper thick and lower thin trapezoidal socket on lower housing shell behind hot 7 one side of device below plane and separately set one it is independent supporting with it Ladder type latch, 7 root 11 of L-type radiator is provided with bar shaped step 20 above.Housing is set below 7 one side plane of L-type radiator The oblong openings towards outer bottom are equipped with, L-type radiator 7 are inserted at oblong openings, radiating fin 18 is by step 25 The outer bottom of lower housing shell is limited in the bar shaped step 20 on the right.Trapezoidal latch tip down abuts plane after L types radiator 7 Insertion, is inserted to slot bottom, inner edge is placed under fixed strip 8 on latch, and L-type radiator is firmly supported and fixed on aluminium base by latch Behind plate 5, closing upper shell and connecting with the mains can be implemented to illuminate by lower switch.Radiator material used in the utility model is aluminium Alloy profile, this material cost is than relatively low, easy processing.The optics is optical lens and reflector, according to reflective Translucent cover 2 is set before it during cup 3.

L-type radiator 7 described in the utility model is arranged on outside after optics 1, and radiating fin 18 is arranged on housing 10 Behind the ventilating opening 17 of the interior lower section of optics 1, ventilating opening 17 is provided with rectangular window 13 below, and 13 left side of window is provided with One independent gas outlet, gas outlet are communicated to the outside of housing 10.17 left hand edge of ventilating opening is tiltedly to four points of radiating fin 18 Three at be provided with the batten that keeps out the wind and be connected with 16 left side of pane；The aluminum substrate 5 is provided with great power LED 3 and driving electricity above Road, is provided with negative tempperature coefficient thermistor above drive circuit, placement temperature-sensitive is provided below in L-type radiator 7 and root 11 The hole 12 of resistance；7 frontal plane of L-type radiator is provided with edge strip 6 and edge strip 19, and rear plane is provided with fixed strip 8；It is described Buckle 21, bayonet 23, fixing threaded hole 22 and line card 24 are provided with above connecting bracket Fig. 2；With function of temperature control integral structure The implementation of accessory：Plane after L-type radiator 7 is placed on above Fig. 2 stents, is embedded in the fixed strip 8 above L-type radiator 7 In bayonet 23, aluminum substrate 5 is placed on 7 frontal plane of L-type radiator, adds heat-conducting silicone grease between it, firmly presses aluminum substrate 5, aluminium base Plate 5 is snapped 21 pinnings after being absorbed in the groove position surrounded by the buckle 21 of edge strip 6,19 and two, above drive circuit Thermistor temperature-sensitive head be put into hole 12 and fixed with silica gel, power lead is fixed by the line card 24 of cradle back, drive circuit Fill above and apply protective rubber, great power LED dynamo lighting set integration accessory is implemented to terminate.In use, integrated accessory radiating fin Piece loads in rectangular window 13, and LED is inserted in the focus at 1 rear portion of optics, passes through fixing threaded hole 22 and optics by screw Device 1 is fixedly connected, and is connected with the mains, and car light lights.It is distinguished and admirable to be entered by ventilating opening 17 during operation, after the batten that keeps out the wind blocks by The gap 15 of 18 bottom of radiating fin flows to the air outlet on the left side, realizes ventilation and heat.During parking, radiator temperature rises, and surpasses When going out LED safe temperatures, temperature-sensing probe automatically controls LED current reduction, so as to control LED temperature rises；Lack a mouth word drawn below Type heat spreader structures, centre are plane, and both ends set radiating fin.Radiating fin is oppositely extending, the length of extension be used for it is rear Housing is fitted to each other and further improves heat dissipation effect.Mid-plane and aluminum substrate thermal conductive contact, both ends radiating fin during implementation The both sides of housing are arranged on, and are embedded on housing.This radiator aims at the design of small-sized high-power LED car lamp.

The utility model can flexibly be implemented, and when car light power is smaller, heat radiator fin area is greater than or equal to 25 squares lis Rice/watt, radiating fin is arranged on the outside of housing again, changes radiating mode, and thermal convection current is changed into heat radiation, is carried significantly High heat dissipation effect.No matter vehicle is in operation or has in stagnation of movement the surplus that sufficiently radiates, car light work in this case Make that the service life is considerably long, or even the service life beyond vehicle, temperature-controlling system and integrated accessory need not be set again.Car light power There is no adequate space to design radiating fin when larger, on lamp body, radiating fin area is far smaller than 25 square centimeters/watt, Temperature control system and integrated accessory are must be provided with, because power is bigger, component is most fragile, once the general paving that repairs of damage does not have There is this professional technique to carry out maintenance, at this moment integrated accessory just can embody its value, maintain the interests of consumer. It is not provided with temperature control system, drive circuit may be provided above aluminum substrate, may also be arranged on one block of independent circuits plate and is fixed on shell Internal suitable position.Drive circuit is preferably disposed on aluminum substrate, the peculiar profit of the heat dissipation to component；To pacify driving at night Entirely, set plane 4 to be conducive to eliminate floodlight on 1 top of reflector, reflective prism 14 is set in car light lower panels, other side can be made Driver sees the presence of other side.

Claims

1. great power LED dynamo lighting set, including housing (10), housing (10) is interior to be provided with optics (1), drive circuit, light Learn device (1) and be provided with great power LED (3), aluminum substrate (5) and radiator (7) below, it is characterized in that, radiator (7) is L-type, L-type radiator for plane with aluminum substrate (5) heat conduction while be connected, another side is provided with radiating fin (18), radiating fin (18) It is arranged at lamp body inner ventilation or hull outside ventilation.

2. great power LED dynamo lighting set according to claim 1, it is characterized in that, the radiating fin (18) is arranged on optics Behind ventilating opening (17) below device (1).

3. great power LED dynamo lighting set according to claim 1, it is characterized in that, the aluminum substrate (5) is provided with big work(above Rate LED (3) and drive circuit.

4. great power LED dynamo lighting set according to claim 3, it is characterized in that, it is provided with subzero temperature above the drive circuit Spend coefficient resistance.

5. great power LED dynamo lighting set according to claim 1, it is characterized in that, L-type radiator (7) frontal plane is set There are two edge strips (6) for forming groove position and (19), rear plane to be provided with fixed strip (8).

6. great power LED dynamo lighting set according to claim 1, it is characterized in that, the L-type radiator root (11) sets below It is equipped with thermistor hole (12).

7. according to the 1 or 3 or 4 or 5 or 6 great power LED dynamo lighting set of claim, it is characterized in that, the great power LED (3), drive circuit, aluminum substrate (5), L-type radiator (7) are integrated；Or between aluminum substrate (5) and L-type radiator (7) The connecting bracket of being integrally formed structure is provided with, is filled above the drive circuit and applies protective rubber.

8. great power LED dynamo lighting set according to claim 7, it is characterized in that, the radiating fin (18) is above provided with Distinguished and admirable director.

9. according to the great power LED dynamo lighting set of claim 1 or 3, it is characterized in that, the L-type radiator by back casing or Pillar (9) extruding being located above back casing is fixed.

10. according to the 1 or 3 or 4 great power LED dynamo lighting set of claim, it is characterized in that, the radiator is following few one The hollow structure of picture, is connected with aluminum substrate (5) heat conduction for plane, is provided at both ends with radiating fin among it；Radiating fin is anti- Stretched to edge, be less than radiating fin along elongation, radiating fin is arranged on the both sides of housing.