CN206682642U - Light fixture - Google Patents

Abstract

The utility model is applied to lighting device technical field, provide a kind of light fixture, fixed including illuminating part and with illuminating part and for the radiating subassembly by heat caused by illuminating part to external diffusion, the heat-conductive assembly that radiating subassembly includes the lampshade with cavity volume and side is fixed with illuminating part and opposite side is fixed with lampshade, illuminating part is located in cavity volume, and the air-vent of cavity volume and exterior space is communicated with light fixture.Light fixture provided by the utility model includes passing through two kinds of radiating modes of the outside radiations heat energy of lampshade and air-vent, and sinking path is more, and radiating effect is preferable, can effectively extend the life-span of light fixture.

Description

Light fixture

Technical field

The utility model belongs to lighting device technical field, more particularly to a kind of light fixture.

Background technology

At present, as the continuous development of lamp technology, increasing light fixture pattern commercially occur, the radiating of light fixture The quality of effect directly influences the life-span of light fixture, and it is existing in, most light fixture is simultaneously not provided with heat abstractor, but only Carry out outside radiations heat energy by contact of the light fixture outline with air, radiating channel is single, and radiating effect is poor, causes the light fixture longevity Life is shorter.

Utility model content

The purpose of this utility model is to provide a kind of light fixture, it is intended to solves in the prior art due to light fixture sinking path list One so that radiating effect is poor and shortens the technical problem of lamp life.

The utility model is achieved in that a kind of light fixture, including illuminating part and fixes and use with the illuminating part In the radiating subassembly by heat caused by the illuminating part to external diffusion, the radiating subassembly include lampshade with cavity volume and The heat-conductive assembly that side is fixed with the illuminating part and opposite side is fixed with the lampshade, the illuminating part are located at the cavity volume It is interior, the air-vent of the cavity volume and exterior space is communicated with the radiating subassembly.

Further, the lampshade is provided with the first air-vent in its top, and the heat-conductive assembly is including being covered on described the One air-vent and the heat conducting cover plate being connected with the illuminating part, the heat conducting cover plate are provided with groove towards the side of the lampshade, One end of the groove extends and connected with exterior space, the outer surface of the lampshade and institute to the edge of the heat conducting cover plate State heat conducting cover plate be affixed towards the side of the lampshade and with the groove formed the second air-vent, second air-vent with First air-vent is connected to form the air-vent.

Further, the heat conducting cover plate includes top plate and multiple sides by the top plate towards the lampshade are downward Extend and be held in the support division of the lampshade outer surface, adjacent each support division interval forms multiple grooves.

Further, each support division includes the binding face abutted with the lampshade outer surface by face.

Further, direction of the area of section of second air-vent along the first air-vent to the exterior space is gradual Increase.

Further, also including being located at, the cavity volume is interior and side is with heat conducting cover plate fixation and separately for the radiating subassembly The radiating piece that side is fixed with the illuminating part, the radiating piece are used in the heat diffusion of the illuminating part to the lampshade Portion.

Further, the radiating piece includes cylinder and cylindrical away from the cylinder directional divergence along the cylinder The multiple fin set.

Further, the illuminating part fits in the bottom surface of the cylinder, and the heat-conductive assembly also includes and the cylinder Fix and the illuminating part is pressed in the compressing member of the cylinder bottom surface.

Further, the radiating subassembly is fixed on the compressing member and the other end including one end and is fixed on the conductive cover Connector of the plate so that the heat conducting cover plate, the radiating piece and the compressing member to be fixed as one.

Further, lampshade bottom is additionally provided with the perforate for connecting the cavity volume and exterior space.

The utility model has the technical effect that relative to prior art：Light fixture provided by the utility model passes through heat-conductive assembly Illuminating part is connected with lampshade so that heat caused by illuminating part is transferred on lampshade by heat-conductive assembly, then passes through lamp The diffusion that heat is carried out to exterior space is covered, further, since illuminating part is located in cavity volume, can be assembled largely by illuminating part in cavity volume Caused heat, therefore, the air-vent of connection cavity volume and exterior space is additionally provided with light fixture provided by the utility model, in cavity volume Heat exterior space can be entered by air-vent with air.The light fixture includes by the outside radiations heat energy of lampshade and breathed freely Two kinds of hole radiating mode, sinking path is more, and radiating effect is preferable, can effectively extend the life-span of light fixture.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will to the utility model embodiment or The required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings described below is only Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the stereogram for the light fixture that the utility model embodiment provides；

Fig. 2 is the sectional view for the light fixture that the utility model embodiment provides；

Fig. 3 is Fig. 2 partial enlarged drawing；

Fig. 4 is the exploded view for the light fixture that the utility model embodiment provides；

Fig. 5 is Fig. 4 partial enlarged drawing；

Fig. 6 is the stereogram for the heat conducting cover plate that the utility model embodiment provides；

Fig. 7 is the stereogram for the radiating piece that the utility model embodiment provides.

Description of reference numerals：

10	Illuminating part	2312	Second air-vent
				20	Radiating subassembly	2313	Top plate
21	Air-vent	2314	Support division
				22	Lampshade	2315	Binding face
221	Cavity volume	232	Radiating piece
				222	First air-vent	2321	Cylinder
223	Perforate	2322	Fin
				23	Heat-conductive assembly	233	Compressing member
231	Heat conducting cover plate	234	Connector
				2311	Groove

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached Orientation or position relationship shown in figure, it is for only for ease of and describes the utility model and simplify to describe, rather than instruction or hint Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this The limitation of utility model.

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

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected 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 concrete meaning of the above-mentioned term in the utility model.

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.

Refer to Fig. 1 to Fig. 3, the light fixture that the utility model embodiment provides include illuminating part 10 and with the illuminating part 10 fix and include for the radiating subassembly 20 by heat caused by the illuminating part 10 to external diffusion, the radiating subassembly 20 The heat conduction group fixed with the lampshade 22 of cavity volume 221 and side with the illuminating part 10 fixation and opposite side with the lampshade 22 Part 23, the illuminating part 10 are located in the cavity volume 221, and the cavity volume 221 and outside are communicated with the radiating subassembly 20 The air-vent 21 in space.

Refer to Fig. 1 to Fig. 3, the light fixture that the utility model embodiment provides is by heat-conductive assembly 23 by illuminating part 10 and lamp Cover 22 is connected so that heat caused by illuminating part 10 is transferred on lampshade 22 by heat-conductive assembly 23, then passes through lampshade 22 The diffusion of heat is carried out to exterior space, further, since illuminating part 10 is located in cavity volume 221, can assemble in cavity volume 221 largely by Heat caused by illuminating part 10, therefore, be additionally provided with light fixture provided by the utility model connection cavity volume 221 and exterior space it is saturating Stomata 21, heat in cavity volume 221 by air-vent 21 can enter exterior space with air.The light fixture include lampshade 22 to 21 two kinds of radiating modes of external radiation heat and air-vent, sinking path is more, and radiating effect is preferable, can effectively extend light fixture Life-span.Preferably, the illuminating part 10 in the utility model embodiment is LED light source, and the lampshade 22 is the lampshade of ceramic material 22。

Fig. 3 to Fig. 6 is referred to, further, the lampshade 22 is provided with the first air-vent 222, the heat conduction in its top Component 23 includes being covered on first air-vent 222 and the heat conducting cover plate 231 being connected with the illuminating part 10, the conductive cover Plate 231 is provided with groove 2311 towards the side of the lampshade 22, and one end of the groove 2311 is to the side of the heat conducting cover plate 231 Edge extends and connect with exterior space, and the outer surface of the lampshade and the heat conducting cover plate 231 are towards the one of the lampshade 22 Side is affixed and forms the second air-vent 2312, second air-vent 2312 and first air-vent with the groove 2311 222, which are connected, to form the air-vent 21.Specifically, heat is first delivered to heat conducting cover plate 231 caused by illuminating part 10, then Lampshade 22 is transferred to through heat conducting cover plate 231, is spread finally by lampshade 22 to exterior space, because lampshade 22 connects with exterior space Contacting surface product is larger, and therefore, radiating is very fast.In addition, the heat being radiated to by heat generating member in cavity volume 221 can first pass through with air One air-vent 222, then enter exterior space by the second passage.

Fig. 6 is referred to, further, the heat conducting cover plate 231 includes top plate 2312 and multiple by the top plate 2312 Extended downwardly towards the side of the lampshade 22 and be held in the support division 2314 of the outer surface of lampshade 22, it is adjacent each described to support Hold the interval of portion 2314 and form multiple grooves 2311.Based on this structure, by setting multiple second air-vents 2312 to make The air obtained in cavity volume 221 takes heat out of cavity volume 221 at faster speed, improves cooling efficiency so that illuminating part 10 begins Environment eventually in a low temperature, is advantageous to extend its life-span.

Fig. 6 is referred to, further, each support division 2314 includes what is abutted with the outer surface of lampshade 22 by face Binding face 2315.Support division 2314 is contacted by binding face 2315 with lampshade 22, carries out the transmission of heat, relative to contact or Person's linear contact lay, the contact area of face contact is bigger, and heat transference efficiency is higher, is advantageous to the heat of illuminating part 10 being quickly transferred to Lampshade 22 is diffused.

Fig. 5 and Fig. 6 are referred to, further, the area of section of second air-vent 2312 is along first air-vent 222 gradually increase to the direction of exterior space.Based on this structure, by outflow in cavity volume 221 hot-air can faster with outside A large amount of cold airs contact in portion space, carries out heat exchange, further accelerates the cooling to cavity volume 221.

Further, the radiating subassembly 20 also includes and side interior positioned at the cavity volume 221 and the heat conducting cover plate 231 The radiating piece 232 that fixed and opposite side is fixed with the illuminating part 10, the radiating piece 232 are used for the heat of the illuminating part 10 Amount is diffused to inside the lampshade 22.Based on this structure, radiating piece 232 directly contacts with illuminating part 10, and illuminating part 10 can be with fast Speed is conducted heat on radiating piece 232 so that the temperature of radiating piece 232 is of a relatively high, and then radiating piece 232 is by its heat It is transferred among the interior air of lampshade 22, hot-air density is smaller, can float, and is then discharged from air-vent 21, so as to realize Radiating to heat generating member 10.The radiating piece 232 that the present embodiment provides, which also has, transfers heat to heat conducting cover plate 231, finally by The effect of 22 outside radiations heat energy of lampshade.

Fig. 7 is referred to, further, the radiating piece 232 includes cylinder 2321 and along the periphery of cylinder 2321 To the multiple fin 2322 set away from the directional divergence of cylinder 2321.The light fixture that the present embodiment provides is multiple by setting Fin 2322 distributes heat come the air into cavity volume 221 so that radiating piece 232 and the air contact area in cavity volume 221 Bigger, heat emission efficiency is higher.

Fig. 3 is referred to Fig. 6, it is possible to understand that ground, illuminating part 10 are bonded closer, its heat transfer effect with the bottom surface of cylinder 2321 Rate is higher, and therefore, further, the illuminating part 10 fits in the bottom surface of the cylinder 2321, and the heat-conductive assembly 23 also wraps Include the compressing member 233 fixed with the cylinder 2321 and the illuminating part 10 is pressed in the bottom surface of cylinder 2321.Pass through pressure Illuminating part 10 is pressed in the bottom surface of cylinder 2321 by tight part 233, increases the heat between compressing member 233 and radiating piece 232 with this Conduction efficiency.

Fig. 3 to Fig. 6 is referred to, further, the radiating subassembly 20 is fixed on the compressing member 233 and another including one end The heat conducting cover plate 231 is fixed on so that the heat conducting cover plate 231, the radiating piece 232 and the compressing member 233 to be consolidated in one end It is set to integral connector 234.It should be understood that by heat conducting cover plate 231, radiating piece 232 and pressed by singular association part 234 Tight part 233 connects as one, and can simplify the installation procedure of light fixture, also can will by heat conducting cover plate 231, radiating piece 232 and Compressing member 233 is connected even closer, and their heat conduction efficiency is improved with this.

Fig. 2 and Fig. 4 are referred to, further, the bottom of lampshade 22, which is additionally provided with, connects opening for the cavity volume 221 and exterior space Hole 223.The present embodiment in the bottom of lampshade 22 by setting perforate 223 so that after hot-air is from air-vent 21 into exterior space, The cold air of exterior space quickly can enter in cavity volume 221 from perforate 223, and heat generating component is cooled.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of light fixture, including illuminating part and fixed with the illuminating part and for by heat caused by the illuminating part to The radiating subassembly of external diffusion, it is characterised in that the radiating subassembly includes the lampshade with cavity volume and side and lighted with described The heat-conductive assembly that part is fixed and opposite side is fixed with the lampshade, the illuminating part are located in the cavity volume, the radiating subassembly On be communicated with the air-vent of the cavity volume and exterior space.

2. light fixture as claimed in claim 1, it is characterised in that the lampshade is provided with the first air-vent in its top, described to lead Hot component includes being covered on first air-vent and the heat conducting cover plate being connected with the illuminating part, and the heat conducting cover plate is towards institute The side for stating lampshade is provided with groove, and one end of the groove extends to the edge of the heat conducting cover plate and connected with exterior space Logical, the outer surface of the lampshade is affixed towards the side of the lampshade with the heat conducting cover plate and forms second with the groove Air-vent, second air-vent are connected to form the air-vent with first air-vent.

3. light fixture as claimed in claim 2, it is characterised in that the heat conducting cover plate includes top plate and multiple by the top plate Extended downwardly towards the side of the lampshade and be held in the support division of the lampshade outer surface, adjacent each support division interval Form multiple grooves.

4. light fixture as claimed in claim 3, it is characterised in that each support division includes passing through face with the lampshade outer surface The binding face of abutting.

5. light fixture as claimed in claim 2, it is characterised in that the area of section of second air-vent is ventilative along described first Hole to the direction of exterior space gradually increases.

6. light fixture as claimed in claim 2, it is characterised in that the radiating subassembly also includes in the cavity volume and side The radiating piece fixed with heat conducting cover plate fixation and opposite side with the illuminating part, the radiating piece are used for the illuminating part Heat diffusion to the lampshade inside.

7. light fixture as claimed in claim 6, it is characterised in that the radiating piece includes cylinder and along the cylinder periphery To the multiple fin set away from the cylinder directional divergence.

8. light fixture as claimed in claim 7, it is characterised in that the illuminating part fits in the bottom surface of the cylinder, described to lead Hot component also includes fixing with the cylinder and the illuminating part being pressed in the compressing member of the cylinder bottom surface.

9. light fixture as claimed in claim 8, it is characterised in that the radiating subassembly including one end be fixed on the compressing member and The other end is fixed on the heat conducting cover plate heat conducting cover plate, the radiating piece and the compressing member are fixed as one Connector.

10. the light fixture as described in claim 1-9 any one, it is characterised in that lampshade bottom is additionally provided with the connection cavity volume With the perforate of exterior space.