CN208253288U

CN208253288U - LED spotlight

Info

Publication number: CN208253288U
Application number: CN201820510560.5U
Authority: CN
Inventors: 郑雪娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-11
Filing date: 2018-04-11
Publication date: 2018-12-18
Anticipated expiration: 2028-04-11

Abstract

A kind of LED spotlight, including lampshade, lamp tail, lamp base, LED light source, driving power, main reflector, secondary reflectors, the bottom end of lampshade is open end, the top of lampshade is the heat dissipation plate of metal, LED light source is set to the inner surface of heat dissipation plate, the outer surface of heat dissipation plate is equipped with the radiating fin that multiple groups are distributed side by side, is equipped with dust-extraction unit between two neighboring radiating fin；Main reflector is reflector, and reflector fitting is set in lampshade and the surface of reflector is reflecting surface, and secondary reflector is greater than LED light source in cone and the radial area of secondary reflectors, reflective surface of the light for issuing LED light source to reverberation bowl；Lamp tail is fixedly connected with the top of lampshade, and lamp tail offers the radiating groove for being used to accommodate radiating fin of horizontal perforation, and lamp base is set on lamp tail, and driving power is set in lamp tail, and lamp base is electrically connected with driving power, and driving power is electrically connected with LED light source.The utility model good heat dissipation effect, securely and reliably, light efficiency are perfect.

Description

LED spotlight

Technical field

The utility model relates to field of LED illumination, espespecially a kind of LED spotlight.

Background technique

With the development of LED technology, LED is widely used with efficient and energy saving feature in lighting area.

Currently, the surface radiating problem of LED unit is always the emphasis studied, wherein since dust is assembled to cooling fin Have an adverse effect and increasingly obtains researcher's attention；Exactly relatively common problem one is dust covering among these Serious to the influence of heat dissipation afterwards, another is exactly after dust covers, in addition generating stickum the reason of steam, more aggravating Heat dissipation difficulty.

Conventional light source directly goes out two-lines from tail portion and reaches energization conducting effect, and the conducting wire and lamp body of this quadrat method combine not Securely, the service life is influenced and using safe.

In addition, since the light that LED light source generates has to pass through its lens or lamp guide, and caused by illumination loss reach 30%-40% also results in chromatic dispersion problem；It is different from traditional halogen light source since LED light source belongs to area source, Ke Yixiang It shines from all directions close to 180 degree, therefore the light that the central part of LED light source issues can not be anti-by the inner surface of reflector It is shot out, but is projected directly at illuminated object, a circle is thus generated around illuminated object not by reflector angle control The light of system, this secondary hot spot are unfavorable in lighting area.

Summary of the invention

To solve the above problems, the utility model provides a kind of good heat dissipation effect, securely and reliably, the perfect LED of light efficiency is penetrated Lamp.

A kind of LED spotlight that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including lampshade, lamp tail, Lamp base, LED light source, driving power, main reflector, secondary reflectors, the bottom end of the lampshade are open end, the top of the lampshade For the heat dissipation plate of metal, the LED light source is set to the inner surface of heat dissipation plate, and the outer surface of the heat dissipation plate is equipped with multiple groups and divides side by side The radiating fin of cloth is equipped with dust-extraction unit between two neighboring radiating fin, and the dust-extraction unit includes the framework of strip rectangle, The two sides of framework are equipped with installing port, are equipped with elastic piece in installing port and are covered in the piezoelectric material layer of elastic piece outer surface, The top surface of the framework is equipped with exhaust check valve structure, and the both ends of the surface of framework are equipped with breather check valve structure；

The main reflector is reflector, and the reflector fitting is set in lampshade and the surface of reflector is reflecting surface, The secondary reflector is greater than LED light source in cone and the radial area of secondary reflectors, and the secondary reflectors are set to LED light source Lower section, the reflective surface of light for issuing LED light source to reverberation bowl；

The lamp tail is fixedly connected with the top of lampshade, and lamp tail offer horizontal perforation for accommodating radiating fin Radiating groove, the lamp base are set on lamp tail, and the driving power is set in lamp tail, and lamp base is electrically connected with driving power, driving electricity Source is electrically connected with LED light source.

Specifically, the exhaust check valve structure includes the first taper slot set on framework top surface, the first taper slot Major diameter mouth outwardly, minor diameter mouth inwardly, the first tapered plug is equipped in the first taper slot, and the first tapered plug smaller diameter end connects It is connected to the card handle that section is T shape；Breather check valve structure includes the second taper slot set on two end faces of framework, the second cone Inwardly, minor diameter mouth is outwardly for the major diameter mouth of shape slot；The second tapered plug, the second tapered plug are equipped in the second taper slot Smaller diameter end be also connected with section be T shape card handle.

Specifically, the elastic piece is bonded on installing port.

Specifically, the section of the radiating fin is sigmoid curve.

Specifically, the inner surface of the first taper slot and the second taper slot is coated with cache layer.

Specifically, the framework is metal material.

Specifically, the vertebra angular region of the secondary reflector is 60-150 degree.

It specifically, further include clear glass, the clear glass is set to the open end of lampshade.

Specifically, the edge of the clear glass is sheen ground glass.

Specifically, the both ends of the lamp base are respectively equipped with the first crossette and the second crossette, and lamp base passes through lamp tail and first is prominent Shoulder and the second crossette are stuck in inside and outside lamp tail.

The utility model has the beneficial effects that:

Under the deformation of the piezoelectric material layer of the utility model after powered up, elastic piece deformation is driven, is constantly formed in framework Negative pressure and positive pressure drive breather check valve structure air-breathing, are then vented by the exhaust check valve structure of top surface, in exhaust process Air-flow is generated, the heat on radiating fin is taken away, and blow away the dust of radiating fin.

The separately positioned both sides in radiating groove of LED light source and driving power are made the heat of the two each other by the utility model Separation, exhaust process accelerate the gas flowing of radiating groove, are also beneficial to the heat dissipation of the two, heat dissipation effect is splendid.

Lens or light-guide rod structure in traditional structure are substituted with secondary reflectors in the utility model, secondary reflectors will The light that LED light source issues is reflected into reflector, then by reflector reflection light, the light for avoiding LED light source sending is directed out Secondary hot spot caused by penetrating, while also avoiding light efficiency caused by lens or lamp guide and reduce and the shortcomings that dispersion.

The LED spotlight of the utility model does not have conducting wire to stretch out outside lamp body, and conducting wire, lamp base and lampshade are closely tied by lamp tail It closes, is connect, achieved the effect that secured and safe with the external world by lamp base.The lamp tail of the utility model LED spotlight, driving power, The LED light source Trinity saves cost.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the radiator portion schematic diagram of the utility model；

Fig. 3 is the dust-extraction unit schematic diagram of the utility model；

Fig. 4 is the dust-extraction unit sectional view of the utility model.

Drawing reference numeral explanation:

1. lampshade；2. lamp tail；3. lamp base；4.LED light source；5. driving power；6. main reflector；7. secondary reflectors；8. dissipating Hot plate；9. radiating fin；10. dust-extraction unit；11. clear glass；21. radiating groove；31. the first crossette；32. the second crossette；101. Framework；102. installing port；103. elastic piece；104. piezoelectric material layer；105. the first taper slot；106. the first tapered plug； 107. card handle；108. the second taper slot；109. the second tapered plug；111. sheen ground glass.

Specific embodiment

Fig. 1-4 is please referred to, the utility model is about a kind of LED spotlight, including lampshade 1, lamp tail 2, lamp base 3, LED light source 4, driving power 5, main reflector 6, secondary reflectors 7, the LED light source 4 include LED chip and the encapsulation for wrapping up LED chip Portion, the bottom end of the lampshade 1 are open end, and the top of the lampshade 1 is the heat dissipation plate 8 of metal, and the LED light source 4, which is set to, to be dissipated The inner surface of hot plate 8, the outer surface of the heat dissipation plate 8 are equipped with the radiating fin 9 that multiple groups are distributed side by side, two neighboring radiating fin Dust-extraction unit 10 is equipped between piece 9, the dust-extraction unit 10 includes the framework 101 of strip rectangle, and the two sides of framework 101 are equipped with Installing port 102, the interior piezoelectric material layer 104 for being equipped with elastic piece 103 and being covered in 103 outer surface of elastic piece of installing port 102, institute The top surface for stating framework 101 is equipped with exhaust check valve structure, and the both ends of the surface of framework 101 are equipped with breather check valve structure；

The main reflector 6 is reflector, and the reflector fitting is set in lampshade 1 and the surface of reflector is reflection Face, the secondary reflector are greater than LED light source 4 in cone and the radial area of secondary reflectors 7, and the secondary reflectors 7 are set to LED The lower section of light source 4, the reflective surface of light for issuing LED light source 4 to reverberation bowl；

The lamp tail 2 is fixedly connected with the top of lampshade 1, and lamp tail 2 offer horizontal perforation for accommodating radiating fin The radiating groove 21 of piece 9, the lamp base 3 are set on lamp tail 2, and the driving power 5 is set in lamp tail 2, lamp base 3 and driving power 5 Electrical connection, driving power 5 are electrically connected with LED light source 4.

Under the deformation of the piezoelectric material layer 104 of the utility model after powered up, elastic piece 103 is driven to deform, in framework 101 Negative pressure and positive pressure are constantly formed, breather check valve structure air-breathing is driven, is then vented by the exhaust check valve structure of top surface, row Air-flow is generated during gas, the heat on radiating fin 9 is taken away, and blow away the dust of radiating fin 9.The utility model will LED light source 4 and the separately positioned both sides in radiating groove 21 of driving power 5 are separated from each other the heat of the two, and exhaust process is accelerated The gas flowing of radiating groove 21, the heat dissipation both being also beneficial to, heat dissipation effect are splendid.

Even if continuous to be vented in the case where LED spotlight is not turned on, the dust constantly quilt on radiating fin 9 can be made It blows away, prevents from accumulating, drive air-flow that can dry up surface again while blowing away dust, prevent dust from assembling viscosity.

Lens or light-guide rod structure in traditional structure are substituted with secondary reflectors 7 in the utility model, eliminate generation The immediate cause of low light efficiency, secondary hot spot and dispersion.The light that LED light source issues is reflected into reflector by secondary reflectors 7, then by anti- Light bowl reflection light, avoid LED light source sending light direct out penetrate caused by secondary hot spot, while also avoid lens or The shortcomings that reduction of light efficiency caused by lamp guide and dispersion.The application of secondary reflectors 7 also haves no need to change reflector in conventional lamp Original design angle, reduces costs.

The LED spotlight of the utility model does not have conducting wire to stretch out outside lamp body, by lamp tail 2 that conducting wire, lamp base 3 and lampshade 1 is tight Close combination is connect with the external world by lamp base 3, is achieved the effect that secured and safe.The utility model, structure is simple, compact-sized. The lamp tail 2 of the utility model LED spotlight, driving power 5,4 Trinity of LED light source save cost.

Specifically, the exhaust check valve structure includes the first taper slot 105 set on 101 top surface of framework, the first cone Outwardly, minor diameter mouth inwardly, is equipped with the first tapered plug 106 to the major diameter mouth of shape slot 105 in the first taper slot 105, and first 106 smaller diameter end of tapered plug be connected with section be T shape card 107；Breather check valve structure includes set on framework 101 two Second taper slot 108 of end face, inwardly, minor diameter mouth is outwardly for the major diameter mouth of the second taper slot 108；Second cone The second tapered plug 109 is equipped in shape slot 108, the smaller diameter end of the second tapered plug 109 is also connected with the card handle that section is T shape 107。

Using the above scheme, under the deformation of piezoelectric material layer 104 after powered up, elastic piece 103 is driven to deform, framework Negative pressure and positive pressure are constantly formed in 101, drives breather check valve air-breathing, are then vented by the exhaust check valve of top surface, constantly Form air-flow.

Specifically, the elastic piece 103 is bonded on installing port 102.

Using the above scheme, elastic piece 103 is bonded in installing port 102, is conducive to deformation.

Specifically, the section of the radiating fin 9 is sigmoid curve.

Using the above scheme, the radiating fin 9 of S-shaped can increase the contact area with air, improve heat dissipation effect.

Specifically, the inner surface of the first taper slot 105 and the second taper slot 108 is coated with cache layer.

Using the above scheme, cache layer can provide even closer coating performance, prevent gas leakage.

Specifically, the framework 101 is metal material.

Using the above scheme, metal frame 101 be easy to radiate and it is durable.

Using the above scheme, circular conical surface (reflecting) is towards LED light source, depending on the cone angle of cone can according to need, The selection of cone angle is the side that the light for issuing LED light source is reflected into reflector at a proper angle.In the present embodiment, cone angle It can be selected in the range of 60-150 degree, preferable angle is 90 degree.In addition, the base area of the cone of secondary reflectors 7 is logical The often greater than area of LED light source, i.e. secondary reflectors 7 can block LED light source completely, so that the light that LED light source issues cannot be direct It projects.Preferably, the cone bottom diameter of secondary reflectors 7 is identical as the diameter of reflector bottom of bowl.

It specifically, further include clear glass 11, the clear glass 11 is set to the open end of lampshade 1.

Using the above scheme, an effect of clear glass 11 is for fixing secondary reflectors 7, i.e. secondary reflectors 7 can lead to Bracket is crossed fixed in clear glass 11.Certainly, secondary reflectors 7 can also be fixed using other way, such as be fixed by the bracket Onto reflector.Another effect of clear glass 11 is protection LED light source 4, plays the role of dust-proof Deng sundries.

Specifically, the edge of the clear glass 11 is sheen ground glass 111.

Using the above scheme, the edge of clear glass 11 is sheen ground glass 111, can block uncontrolled light.

Specifically, the both ends of the lamp base 3 are respectively equipped with the first crossette 31 and the second crossette 32, lamp base 3 pass through lamp tail 2 and First crossette 31 and the second crossette 32 are stuck in inside and outside lamp tail 2.

Using the above scheme, by the first crossette 31 of setting and the second crossette 32, facilitate fixed lamp base 3.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims

1. a kind of LED spotlight, it is characterised in that: including lampshade, lamp tail, lamp base, LED light source, driving power, main reflector, secondary Reflector, the bottom end of the lampshade are open end, and the top of the lampshade is the heat dissipation plate of metal, and the LED light source, which is set to, to be dissipated The inner surface of hot plate, the outer surface of the heat dissipation plate are equipped with the radiating fin that multiple groups are distributed side by side, two neighboring radiating fin it Between be equipped with dust-extraction unit, the dust-extraction unit includes the framework of strip rectangle, and the two sides of framework are equipped with installing port, in installing port Equipped with elastic piece and it is covered in the piezoelectric material layer of elastic piece outer surface, the top surface of the framework is equipped with exhaust check valve knot The both ends of the surface of structure, framework are equipped with breather check valve structure；

The main reflector is reflector, and the reflector fitting is set in lampshade and the surface of reflector is reflecting surface, described Secondary reflector is greater than LED light source in cone and the radial area of secondary reflectors, and the secondary reflectors are set under LED light source Just, reflective surface of the light for issuing LED light source to reverberation bowl；

The lamp tail is fixedly connected with the top of lampshade, and lamp tail offers the heat dissipation for being used to accommodate radiating fin of horizontal perforation Slot, the lamp base be set to lamp tail on, the driving power be set to lamp tail in, lamp base is electrically connected with driving power, driving power and LED light source electrical connection.

2. LED spotlight according to claim 1, it is characterised in that: the exhaust check valve structure includes being set to framework top The first taper slot in face, outwardly, minor diameter mouth is equipped with the to the major diameter mouth of the first taper slot inwardly, in the first taper slot One tapered plug, the first tapered plug smaller diameter end are connected with the card handle that section is T shape；Breather check valve structure includes set on framework Second taper slot of two end faces, inwardly, minor diameter mouth is outwardly for the major diameter mouth of the second taper slot；Second cone tank The second tapered plug is equipped in hole, the smaller diameter end of the second tapered plug is also connected with the card handle that section is T shape.

3. LED spotlight according to claim 1, it is characterised in that: the elastic piece is bonded on installing port.

4. LED spotlight according to claim 1, it is characterised in that: the section of the radiating fin is sigmoid curve.

5. LED spotlight according to claim 2, it is characterised in that: the first taper slot and the second taper slot Inner surface is coated with cache layer.

6. LED spotlight according to claim 1, it is characterised in that: the framework is metal material.

7. LED spotlight according to claim 1, it is characterised in that: the vertebra angular region of the secondary reflector is 60-150 degree.

8. LED spotlight according to claim 1, it is characterised in that: further include clear glass, the clear glass is set to lampshade Open end.

9. LED spotlight according to claim 8, it is characterised in that: the edge of the clear glass is sheen ground glass.

10. LED spotlight according to claim 1, it is characterised in that: the both ends of the lamp base be respectively equipped with the first crossette and Second crossette, lamp base passes through lamp tail and the first crossette and the second crossette are stuck in inside and outside lamp tail.