CN205690117U

CN205690117U - Led lamp

Info

Publication number: CN205690117U
Application number: CN201620541363.0U
Authority: CN
Inventors: 丁德亮; 梁德强
Original assignee: SHENZHEN YARUI PHOTOELECTRIC TECHNOLOGY CO LTD
Current assignee: SHENZHEN YARUI PHOTOELECTRIC TECHNOLOGY CO LTD
Priority date: 2016-06-06
Filing date: 2016-06-06
Publication date: 2016-11-16
Anticipated expiration: 2026-06-06

Abstract

A kind of LED lamp, including light source assembly, radiator and power supply, light source assembly includes wiring board and the LED light source being arranged on wiring board, radiator is provided with accommodating cavity and from the through thermal vias to opposite side in accommodating cavity side, wiring board is arranged in containing cavity body, and wiring board is provided with plate hole in thermal vias corresponding position, and power supply is connected in radiator deviate from wiring board side, and with the corresponding position of thermal vias, and power supply leaves spacing with thermal vias.Utilize thermal vias to dispel the heat, radiator is offered thermal vias so that outside air can flow through thermal vias, and is taken away by heat, thus realizes good radiating efficiency.Additionally, amount of heat can be derived quickly and efficiently when ventilating so that wiring board internal and external temperature uniformity during LED lamp work, and can obvious reduction operating temperature.

Description

LED lamp

Technical field

This utility model belongs to technical field of LED illumination, particularly relates to a kind of LED lamp.

Background technology

In view of the restriction of some illumination place light fixture height, and the point source characteristic of LED meets and is designed to various field very much Closing the light fixture required, conventional light source particularly Metal halogen lamp, sodium vapor lamp and mercury lamp, because of the restriction of principle of luminosity, size typically compares Huge, cause light fixture huger and tall, or light utilization efficiency is the lowest after being made into the shape that comparison is flat, causes serious energy Amount waste；Especially for there being the compact occasion of driving or space, the use of pancake high-power LED lighting fixture shows Obtain particularly important and reasonable.

But, how solving the heat dissipation problem of LED lamp in prior art has become technical problem the most urgently to be resolved hurrily.

Utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of LED lamp, it aims to solve the problem that The heat dissipation problem of LED lamp.

This utility model is achieved in that

A kind of LED lamp, including light source assembly, radiator and power supply, described light source assembly includes wiring board and sets Be placed in the LED light source on described wiring board, described radiator be provided with accommodating cavity and from described accommodating cavity side through to The thermal vias of opposite side, described wiring board is arranged in described containing cavity body, and described wiring board is at described thermal vias Corresponding position is provided with plate hole, and described power supply is connected in described radiator deviate from described wiring board side, and with described heat radiation The corresponding position of through hole, and described power supply and described thermal vias leave spacing.

Alternatively, described LED lamp includes multiple being connected to described radiator and along same circumferentially-spaced and along institute State radiator highlight the first radiating fin of extension towards described power supply side and multiple are connected to described radiator and are spaced It is distributed in the second radiating fin between containing cavity external week and institute's radiator outward flange, each described first radiating fin and each institute State the second radiating fin to be correspondingly arranged, form the first flow-guiding channel described in adjacent two between the first radiating fin, described in adjacent two The second flow-guiding channel is formed between second radiating fin.

Alternatively, described first radiating fin includes least one set the first fin and least one set the second fin, each described First fin and each described second fin separation arrange length, each described first fin and each described second fin along described The outward flange of radiator surpasses the radially extension of radiator and highly becomes larger.

Alternatively, described first fin is arranged with described second fin alternate intervals, and in described first fin and described Second fin is spaced compared with the first flow-guiding channel described in adjacent two between elder and in described first fin and described First flow-guiding channel described between two fin shorter ones adjacent two is interconnected.

Alternatively, described first radiating fin includes at least one pair of first fin and at least the second fin, each to described Described second fin is differed along the radially stacked of described radiator and radical length by one fin with each, and each to described second Fin intersects with along described radiator outward flange side, each to described first fin and each to described second fin along described heat radiation The outward flange of device towards the radially extension of described radiator and highly becomes larger.

Alternatively, described LED lamp also includes being connected to described radiator and for protecting the protection cap of described power supply, institute State protection cap and be provided with the power supply storage tank for housing described power supply towards the side of described radiator.

Alternatively, described LED lamp also includes the suspension ring away from described radiator side being fixed on described protection cap.

Alternatively, described light source assembly also includes being oppositely arranged and be embedded in the printing opacity in described radiator with described wiring board Plate, be contained in the containing cavity body of described radiator in and be closely arranged at the sealing ring between described wiring board and described light-passing board And be fixed on described radiator outer surface and ring is pressed on the first fixed frame of described light-passing board surrounding, described light-passing board with The corresponding position of described plate hole is provided with loophole.

Alternatively, described LED lamp also includes being fixedly installed on described fixed frame and along described LED light source light direction Extend and be used for the spinning cover passed through for the light that described LED light source sends: and/or

Described LED lamp also includes shading piece or the luminous intensity distribution being fixedly installed on described fixed mount and having multilamellar annulus Device.

Alternatively, described LED lamp also includes the induction apparatus sensing infrared or microwave, and described light source assembly includes Being fixed on the second fixed frame of described loophole, described second fixed frame includes that fix second be connected fixes with described loophole Housing and be located at described second and fix in housing and fix housing by connection rib and described second and be spaced and be connected and with described What induction apparatus fixed connection second fixes inside casing.

LED lamp of the present utility model utilizes thermal vias to dispel the heat, and offers thermal vias in radiator so that outer The air in portion can flow through thermal vias, and is taken away by heat, thus realizes good radiating efficiency.Additionally, can when ventilating To derive amount of heat quickly and efficiently so that wiring board internal and external temperature uniformity during LED lamp work, and can compare Substantially reduce operating temperature.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in this utility model embodiment, will make required in embodiment below Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only embodiments more of the present utility model, For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings Other accompanying drawing.

Fig. 1 is the perspective view of the LED lamp that this utility model embodiment one provides；

Fig. 2 is the decomposition texture schematic diagram of the LED lamp that this utility model embodiment one provides；

Fig. 3 is the sectional view of radiator in the LED lamp that this utility model embodiment one provides；

Fig. 4 is the perspective view of radiator in the LED lamp that this utility model embodiment one provides；

Fig. 5 is another view stereo structural representation of radiator in the LED lamp that this utility model embodiment one provides；

Fig. 6 is the perspective view of the LED lamp that this utility model embodiment two provides；

Fig. 7 is the decomposition texture schematic diagram of the LED lamp that this utility model embodiment two provides；

Fig. 8 is the perspective view of the LED lamp that this utility model embodiment three provides；

Fig. 9 is the decomposition texture schematic diagram of the LED lamp that this utility model embodiment three provides；

Figure 10 is the perspective view of the second fixed frame in the LED lamp that this utility model embodiment three provides；

Figure 11 is the part-structure schematic diagram of the LED lamp that this utility model embodiment four provides.

Drawing reference numeral illustrates:

Label	Title	Label	Title
				10	Light source assembly
11	Wiring board	111	Plate hole
				12	Light-passing board	121	Loophole
13	Sealing ring
				14	First fixed frame
15	Second fixed frame	151	Second fixes housing
				152	Second fixes inside casing	153	Connection rib
20	Radiator
				21	Body
22	First radiating fin	2201	First flow-guiding channel
				221	First fin	222	Second fin
23	Second radiating fin
				24	3rd radiating fin
201	Accommodating cavity	202	Thermal vias
				30	Power supply
60	Protection cap
				70	Suspension ring
80	Shading piece
				90	Induction apparatus

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng It is exemplary for examining the embodiment that accompanying drawing describes, it is intended to be used for explaining this utility model, and it is not intended that to this utility model Restriction.

In description of the present utility model, it is to be understood that term " length ", " width ", " on ", D score, " front ", Orientation or the position relationship of the instruction such as " afterwards ", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " are based on attached Orientation shown in figure or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint The device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this The restriction of utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two Above, unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands above-mentioned term concrete meaning in this utility model.

This utility model provides a kind of LED lamp.

Embodiment one

As shown in Figures 1 to 5, this LED lamp includes light source assembly 10, radiator 20 and power supply 30, light source assembly 10 Including wiring board 11 and the LED light source (not shown) that is arranged on wiring board 11, radiator 20 is provided with accommodating cavity 201 And from the through thermal vias 202 to opposite side in accommodating cavity 201 side, wiring board 11 is arranged in accommodating cavity 201, And wiring board 11 is provided with plate hole 111 in thermal vias 202 corresponding position, power supply 30 is connected in radiator 20 deviate from wiring board 11 sides, and with the corresponding position of thermal vias 202, and power supply 30 leaves spacing with thermal vias 202.

The LED lamp that this utility model embodiment provides utilizes thermal vias 202 to dispel the heat, and offers in radiator 20 Thermal vias 202 so that outside air can flow through thermal vias 202, and is taken away by heat, thus realize good dissipating The thermal efficiency.Additionally, amount of heat can be derived quickly and efficiently when ventilating so that temperature inside and outside wiring board 11 during LED lamp work Degree uniformity, and can obvious reduction operating temperature.

In this embodiment, as shown in Figure 4, radiator 20 include body 21, multiple be connected to body 21 and along with One circumferentially-spaced and highlight the first radiating fin 22 of extension and multiple connection along body 21 towards power supply 30 side In body 21 the second radiating fin 23 between accommodating cavity 201 periphery and body 21 outward flange spaced apart, respectively First radiating fin 22 is correspondingly arranged with each second radiating fin 23, forms the first water conservancy diversion between adjacent two first radiating fins 22 Passage 22011, adjacent two second radiating fins 23 enclose with body 21 and form first communicated with the first flow-guiding channel 2201 Flow-guiding mouth, thermal vias 202 is opened in body 21.

The LED lamp that this utility model embodiment provides is used in radiator 20 opposite sides and is respectively arranged with the first heat radiation The heat that LED light source is also produced by fin 22 and the second radiating fin 23 dispels the heat, and is formed by the second radiating fin 23 and leads The first flow-guiding channel 2201 that head piece and flow-guiding mouth and the first radiating fin 22 are formed communicates, i.e. the of radiator 20 upper and lower surface One radiating fin 22 and the second radiating fin 23 all have and expose end face, and beneficially air penetration takes away heat, thus carries further High radiating effect.

The LED lamp that this utility model embodiment provides is formed by the first flow-guiding mouth and the first flow-guiding channel 2201 and forces Property air vent, this mandatory air vent air heats temperature rise after make radiator 20 upper and lower surface form faint air Pressure drop, it is possible to produce a self-air pump effect, thus obtain forming continual cold and hot sky without the help of external wind Gas circulates, the radiating effect improved further.

In this embodiment, radiator 20 is flat die casting, substantially reduces the volume of whole LED lamp, structure Compact, and the use of cooperated with LED light source, it is greatly reduced the volume of LED lamp, uses environment to be expanded.

In this embodiment, wiring board 11 is aluminium base, and LED light source is LED lamp bead.During use, the heat that LED light source produces Amount is conducted to radiator 20 by wiring board 11, owing to fitting bottom the wiring board 11 accommodating cavity 201 with radiator 20, The heat via line plate 11 that LED light source produces the first radiating fin 22 and the second radiating fin 23 by radiator 20 distribute To surrounding air, to realize effectively heat radiation.

In this embodiment, as shown in Figure 4, radiator 20 includes that multiple thermal vias 202 hole wall also edge that is connected to leads to one 3rd radiating fin 24 of circumferentially-spaced, each 3rd radiating fin 24 is correspondingly arranged with each first radiating fin 22, adjacent Two the 3rd radiating fins 24 form the second flow-guiding mouth with the first flow-guiding channel 2201.

The LED lamp that this utility model embodiment provides utilizes the first radiating fin 22 and the 3rd heat radiation on radiator 20 The heat that LED light source is also produced by fin 24 dispels the heat, and forms the second flow-guiding mouth and second by the 3rd radiating fin 24 and leads The first flow-guiding channel 2201 that head piece and the first radiating fin 22 are formed communicates, beneficially air successively through thermal vias 202, the Two flow-guiding mouths and the first flow-guiding channel 2201 penetrate and take away heat, thus the radiating effect improved further.

As shown in Figure 4, the first radiating fin 22 includes least one set the first fin 221 and least one set the second fin 222, Each first fin 221 and each second fin 222 interval arrange length, each first fin 221 and each second fin 222 along dissipating The outward flange of hot device 20 surpasses the radially extension of radiator 20 and highly becomes larger.In this embodiment, each first fin 221 and each second fin 222 radially extending along radiator 20, and between adjacent the first fin 221 and the second fin 222 Form the first flow-guiding channel 2201, and the first fin 221 and the second fin 222 are along the outward flange of radiator 20 towards its centre bit The height put becomes larger, and in streamlined structure, so can comply with air-flow direction, when surrounding air arrives radiator 20 After low side along the first fin 221 and the second fin 222 to high-end mobile time, a small-sized eddy current can be formed at this, add Air, with the contact area of fin and speed, reaches the effect of Quick diffusing heat.

As shown in Figure 4, the first fin 221 and the second fin 222 alternate intervals are arranged, and in the first fin 221 and second Fin 222 is spaced compared with adjacent two first flow-guiding channels 2201 between elder and in the first fin 221 and the second fin Adjacent two first flow-guiding channels 2201 between 222 shorter ones are interconnected.

First radiating fin 22 includes at least one pair of first fin 221 and at least the second fin 222, each to the first fin Second fin 222 is differed along the radially stacked of radiator 20 and radical length by 221 with each, and each to the second fin 222 with Intersect along radiator 20 outward flange side, each to the first fin 221 and each to the second fin 222 along the outward flange court of radiator 20 The radially extension of radiator 20 and highly becoming larger.Each to the first fin 221 and each to the second fin 222 all in V word Type interval is arranged.First fin 221 and the second fin 222 along radiator 20 outward flange towards its center height gradually Become big, in streamlined structure, so can comply with air-flow direction, along the after surrounding air arrives radiator 20 low side One fin 221 and the second fin 222 to high-end mobile time, a small-sized eddy current can be formed at this, add the same fin of air Contact area and speed, reach the effect of Quick diffusing heat.

In this embodiment, the shortest a pair second fins 222 of length radially extend along the both sides of a flow-guiding mouth, and length is slightly A pair long second fins 222 radially extend along the two flow-guiding mouth both sides that this flow-guiding mouth is adjacent and intersect, by that analogy, and a pair the One fin 221 radially extends until extending to fixation wall along each adjacent guide mouth both sides of above-mentioned two flow-guiding mouths.At the first fin 221 and second fin 222 same stacking direction on, the quantity of the first fin 221 and the second fin 222 can be according to radiator 20 diameter carry out relative set, can be a pair first fins 221 and the blue combination to the second fin 222, it is also possible to be Two pairs first fins 221 and two combinations to the second fin 222, or other compound modes.

As shown in Figure 1, Figure 2 with shown in Fig. 6, LED lamp also includes being connected to radiator 20 and for protecting the protection of power supply 30 Lid 60, protection cap 60 is provided with the power supply storage tank for housing power supply 30 towards the side of radiator 20.Can by protection cap 60 Power supply 30 is played the effect of being effectively protected, simple in construction, easy accessibility.In this enforcement, power supply 30 is arranged in cuboid, and The shape of protection cap 60 is suitable with the shape of power supply 30.

Further, as shown in Figure 1, Figure 2 with shown in Fig. 6, LED lamp also include being fixed on power supply 30 away from radiator 20 1 The protection cap 60 of side, protection cap 60 is provided with to be easy to hang the suspension ring 70 placed.Can be so that by LED by arranging suspension ring 70 Tool hangs up on any hanger having and coordinating with suspension ring 70.

As in figure 2 it is shown, light source assembly 10 also includes being oppositely arranged and be embedded in the light-passing board in radiator 20 with wiring board 11 12, in being contained in the accommodating cavity 201 of radiator 20 and the sealing ring 13 that is closely arranged between wiring board 11 and light-passing board 12 And be fixed on radiator 20 outer surface and ring is pressed on the first fixed frame 14 of light-passing board 12 surrounding, light-passing board 12 with plate hole The corresponding position of 111 is provided with loophole 121.Light-passing board 12 is tempering printing opacity or PC, to ensure that it uses intensity, and improves The ruggedness of whole light fixture.By being lock onto on radiator 20 by fixed frame, and compress light-passing board 12 simultaneously, reach to seal and prevent The effect of water.

Embodiment two

In this enforcement, this enforcement is with the difference of embodiment 1, and as shown in Figure 6 and Figure 7, LED lamp also includes fixing It is installed on fixed mount and has the shading piece 80 of multilamellar annulus.In other are implemented, LED lamp also includes being fixedly installed in Determine on frame and there is the shading piece 80 of multilamellar annulus, or, LED lamp can include being fixedly installed on fixed frame and along LED light Source light direction extends and is used for the spinning cover passed through for the light that LED light source sends.By arrange spinning cover and shading piece 80 with Play the purpose of anti-dazzle.Annulus in shading piece 80 is concentric circular annulus, simple in construction.Light distribution device then can adjust LED The light emitting anger that light fixture is different.

Embodiment three

In this enforcement, this enforcement is with the difference of embodiment 1, and as shown in Fig. 8 to Fig. 9, LED lamp also includes red Outer or microwave carries out the induction apparatus 90 sensed, and light source assembly 10 is fixed on the second fixed frame 15 of loophole 121, the second fixed frame 15 include fixing with loophole 121 is connected second fix housing 151 and be located at second fix housing 151 in and pass through connection Rib 153 and second is fixed housing 151 interval and is connected and fixes, with induction apparatus 90, second be connected and fix inside casing 152.By sensing The sensing situation of induction apparatus 90 with the situation of induction LED light fixture surrounding, and according to presetting, can be opened by device 90 as control Close, increase the applied environment of LED lamp.Wherein, by connection rib 153 make second fix inside casing 152 and second fixing outside Gap is left, it is ensured that air can flow through from thermal vias 202 between frame 151.

Embodiment four

In this example, this enforcement is with the difference of embodiment 1, as shown in figure 11, and the cylindrical setting of power supply 30, and The shape of protection cap 60 is suitable with the shape of power supply 30.

These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality Any amendment, equivalent or the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model Within the scope of protecting.

Claims

1. a LED lamp, including light source assembly, radiator and power supply, described light source assembly includes wiring board and setting LED light source on described wiring board, it is characterised in that described radiator is provided with accommodating cavity and from described accommodating cavity one The through thermal vias to opposite side in side, described wiring board is arranged in described containing cavity body, and described wiring board is described Thermal vias corresponding position is provided with plate hole, and described power supply is connected in described radiator deviate from described wiring board side, and with The corresponding position of described thermal vias, and described power supply and described thermal vias leave spacing.

2. LED lamp as claimed in claim 1, it is characterised in that described radiator include body, multiple be connected to described Body along same circumferentially-spaced and the first heat radiating fin of highlighting extension along described body towards described power supply side Sheet and multiple be connected to described body and spaced apart between the external all and described body outward flanges of containing cavity Two radiating fins, each described first radiating fin is correspondingly arranged with each described second radiating fin, the first heat radiation described in adjacent two Forming the first flow-guiding channel between fin, the second radiating fin described in adjacent two and described body enclose formation and described first The first flow-guiding mouth that flow-guiding channel communicates, described thermal vias is opened in described body.

3. LED lamp as claimed in claim 2, it is characterised in that described radiator includes multiple being connected to described heat radiation and leading to Hole hole wall the 3rd radiating fin along a logical circumferentially-spaced, each described 3rd radiating fin and each described first heat radiating fin Sheet is correspondingly arranged, and described in adjacent two, the 3rd radiating fin forms the second flow-guiding mouth with described first flow-guiding channel.

4. LED lamp as claimed in claim 2, it is characterised in that described first radiating fin includes least one set the first fin Sheet and least one set the second fin, each described first fin and each described second fin separation arrange length, and each described the One fin and each described second fin surpass the radially extension of radiator along the outward flange of described radiator and the most gradually become Greatly.

5. LED lamp as claimed in claim 4, it is characterised in that described first fin and described second fin alternate intervals Arrange, and spaced compared with the first flow-guiding channel described in adjacent two between elder in described first fin and described second fin And the first flow-guiding channel described in adjacent two between described first fin and described second fin shorter one is interconnected.

6. LED lamp as claimed in claim 2, it is characterised in that described first radiating fin includes at least one pair of first fin Sheet and at least the second fin, each to described first fin with each to described second fin along the radially stacked of described radiator and footpath Differ to length, and each described second fin is intersected with along described radiator outward flange side, each to described first fin With each, described second fin and is the most gradually become along the outward flange of described radiator towards the radially extension of described radiator Greatly.

7. the LED lamp as described in any one in claim 3 to 6, it is characterised in that described LED lamp also includes connecting In described radiator and for protecting the protection cap of described power supply, described protection cap be provided with towards the side of described radiator for The power supply storage tank of accommodating described power supply.

8. LED lamp as claimed in claim 1, it is characterised in that described light source assembly also includes relative with described wiring board Arrange and be embedded in the light-passing board in described radiator, be contained in the containing cavity body of described radiator in and be closely arranged at described line Sealing ring between road plate and described light-passing board and be fixed on described radiator outer surface and ring is pressed on described light-passing board four First fixed frame in week, described light-passing board is provided with loophole in the corresponding position with described plate hole.

9. LED lamp as claimed in claim 8, it is characterised in that described LED lamp also includes being fixedly installed in described fixing Extend on frame and along described LED light source light direction and be used for the spinning cover passed through for the light that described LED light source sends: and/or Person

Described LED lamp also includes shading piece or the light distribution device being fixedly installed on described fixed mount and having multilamellar annulus.

10. LED lamp as claimed in claim 8, it is characterised in that described LED lamp also includes carrying out infrared or microwave The induction apparatus of sensing, described light source assembly includes the second fixed frame being fixed on described loophole, and described second fixed frame includes Fix with described loophole second be connected fix housing and be located at described second fix housing in and by connection rib and institute State second to fix housing interval and connect and fix second be connected with described induction apparatus and fix inside casing.