CN205535152U - Light emitting diode (LED) lamp - Google Patents

Light emitting diode (LED) lamp Download PDF

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Publication number
CN205535152U
CN205535152U CN201620370184.5U CN201620370184U CN205535152U CN 205535152 U CN205535152 U CN 205535152U CN 201620370184 U CN201620370184 U CN 201620370184U CN 205535152 U CN205535152 U CN 205535152U
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CN
China
Prior art keywords
lens
light source
light
led lamp
fresnel lenses
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Expired - Fee Related
Application number
CN201620370184.5U
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Chinese (zh)
Inventor
唐丹天
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Beijing Xintian Heyi Optoelectronics Technology Co ltd
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Beijing Xintian Heyi Optoelectronics Technology Co ltd
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Priority to CN201620370184.5U priority Critical patent/CN205535152U/en
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Publication of CN205535152U publication Critical patent/CN205535152U/en
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Abstract

The utility model provides a light emitting diode (LED) lamp, in order to realize: small, the light intensity is high, the mesh of controllable angle. This light emitting diode (LED) lamp includes, light source part frame for install the light source part wherein, and the fixed light source part, first lens are located the partial top department of light source, carry out the forward installation according to the principle of plano -convex lens spotlight, and the light that jets out the light source part assembles, second lens, these second lens are located this first lens top, 0 with first lens interval 10mm further gathers the second lens with the light that will come from first lens and is relative reverse installation with first lens, the radiator is located the outside of light source part frame, first lens and second lens. According to the utility model discloses an optical structure can produce provides very strong luminance light emitting diode (LED) lamp with the very compact volume of very little power sum, if to 3W realizes the luminance of 50W incandescent lamp in the past.

Description

A kind of LED lamp
Technical field
Disclosure of the present utility model relates generally to LED lamp, particularly relates to one and realizes with low-power bright The MR16 type LED lamp that degree improves.
Background technology
LED lamp is now widely used for the field of various illumination, along with the development of science and technology, LED light The application in source is increasingly extensive.Replace existing electric filament lamp, popularizing of the torch-type lamp of the light source that use power consumption is little Dramatically increase.More specifically, replace existing electric filament lamp and with fluorescent lamp as light source and make its outward appearance with existing The torch-type lamp that electric filament lamp is identical, replaces existing electric filament lamp, develop using LED (light emitting diode) as The torch-type lamp that light source uses, and, the most practical.
In prior art, owing to the light source of LED is mainly used as normal illumination sources, its illumination mode is single, Thus the lighting angle of the LED lamp obtained is fixed the most very much, it is impossible to change as required.Current Halogen light is mainly used in irradiating local location, and it can realize the biggest light intensity in short distance, but this If Halogen light disadvantageously, need stronger light intensity, its required power is too high, consumes energy excessive.This Outward, too high power consumption makes the temperature of halogenic lamps and lanterns become the highest when irradiating, and reduces the volume of halogenic lamps and lanterns Life-span, and it is susceptible to burn hazard.And current LED lamp has, and uniformity is inadequate, intensity is the highest Etc. problem.
Utility model content
In view of problem above, the utility model proposes a kind of new LED lamp, its lighting angle can root Regulate according to needs, the problems such as illumination uniformity is inadequate, dazzle is too much, light intensity is not enough can be solved simultaneously.
The utility model proposes a kind of LED lamp, including:
Light source part, described light source part includes LED chip group and substrate;
Light source part frame, for light source part is installed to wherein, and fixed light source part;
First lens, are positioned at the top of light source part, carry out forward peace by the principle of planoconvex lens optically focused Dress, converges the light that light source part penetrates;
Second lens, these second lens are positioned at above these first lens, with the first lenticular spacing from for 0- 10mm is relative reverse peace so that the light from the first lens to gather the second lens and the first lens further Dress;
Radiator, is positioned at light source part frame, the first lens and the outside of the second lens.
Preferably, described first lens are planoconvex lens or Fresnel Lenses, and optical concentration pressed by these first lens Principle carries out forward installation, and when using planoconvex lens, plane is close to sources side, saturating during employing Fresnel Lenses The bright finish of mirror is close to sources side, thus utilizes these first lens to be converged by the light that light source part penetrates.
Preferably, the front end of the first lens adds the second lens, and the second lens are Fresnel Lenses or plano-convex Lens, these second lens reversely need to be installed with the first lens, as used Fresnel Lenses, this Fresnel Lenses Serrated face and the serrated face of the first lens or vis-a-vis, as used planoconvex lens, then planoconvex lens is convex The serrated face of face and the first lens or vis-a-vis.
Preferably, the focal length of the first lens is 10-50mm.
Preferably, the focal length of the first lens is 27.5mm.
Preferably, the focal length of the second lens is 10-50mm.
Preferably, the focal length of the second lens is 27.5mm.
Preferably, required according to the spacing between the first lens and the second lens light projection angle and Set between 0-150mm.
Preferably, the spacing between the first lens and the second lens is 0-25mm.
Preferably, the first lens are positioned at light source upper 12mm.
Have a wide range of applications according to the LED lamp made by optical texture of the present utility model.Good being formed While the intensity of good illumination light-emitting and uniformity, utilizing 1W, the LED light source of 3W, 5W power is i.e. Substitute 35W conventional on the market, the halogen light cup of 50W, 75W, simultaneously can only by change glass lens or Fresnel camera lens just can realize narrow light 8 °~29 °, middle light 30 °~60 ° and wide light 70 °~the effect of 90 ° Really.
Accompanying drawing explanation
In order to be better understood from this utility model and advantage thereof, now will in conjunction with accompanying drawing with reference to following description, In accompanying drawing:
Fig. 1 represents the side view of the LED lamp of one preferred embodiment of this utility model;
Fig. 2 represents the A-A sectional view of the LED lamp of one preferred embodiment of this utility model;
Fig. 3 represents the axonometric chart of the LED lamp of one preferred embodiment of this utility model;
Fig. 4 represents the index path in the LED lamp of one preferred embodiment of this utility model.
Wherein, reference is as follows:
101 radiators, 102 base portions, 103 light source parts, 104 lens, 105 Fresnel Lenses, 106 times Space, portion, 107 brackets, 108 light source part frames, 109 supports, 110 screw sockets
In addition to specified otherwise, in different accompanying drawings, corresponding numeral and labelling are usually directed to the part of correspondence.Paint Accompanying drawing processed is to clearly show that the related fields of preferred embodiment, but is not necessarily to scale drafting.In order to More clearly represent some embodiment, in reference possibly followed by representing identical structure, material or place The letter of the change of reason step.
Detailed description of the invention
Formation and the use of this utility model preferred embodiment are discussed further below.But it is to be understood that, this Utility model provides multiple available utility model design, its can be embodied in various the most hereinafter.Beg for The specific embodiment of opinion is only illustrated as and uses concrete mode of the present utility model, is not intended to this utility model Scope.
It should be noted that, the positions such as up, down, left, right, before and after described in present specification Feature is only relative positional representation, should not be construed as limiting utterly.
The utility model proposes a kind of LED lamp and the utility model proposes a kind of LED lamp, bag Include:
Light source part, described light source part includes LED chip group and substrate;
Light source part frame, for light source part is installed to wherein, and fixed light source part;
First lens, are positioned at the top of light source part, carry out forward peace by the principle of planoconvex lens optically focused Dress, converges the light that light source part penetrates;Second lens, these second lens are positioned on these first lens Side, with the first lenticular spacing from for 0-10mm so that the light from the first lens is gathered the second lens further It is relative reverse installation with the first lens;Radiator, is positioned at light source part frame, the first lens and second The outside of lens.
Preferably, described first lens are planoconvex lens or Fresnel Lenses, and optical concentration pressed by these first lens Principle carries out forward installation, and when using planoconvex lens, plane is close to sources side, saturating during employing Fresnel Lenses The bright finish of mirror is close to sources side, thus utilizes these first lens to be converged by the light that light source part penetrates.
Preferably, the front end of the first lens adds the second lens, and the second lens are Fresnel Lenses or plano-convex Lens, these second lens reversely need to be installed with the first lens, as used Fresnel Lenses, this Fresnel Lenses Serrated face and the serrated face of the first lens or vis-a-vis, as used planoconvex lens, then planoconvex lens is convex The serrated face of face and the first lens or vis-a-vis.
Light source part, described light source part includes LED chip group and substrate;Light source part frame, being used for will Light source part is installed to wherein, and fixed light source part;First lens, are positioned at the top of light source part, The light that light source part penetrates is converged;Second lens, these second lens are for having reciprocal bright finish With the Fresnel Lenses on groove surface, these second lens are positioned at above these first lens, and as this second The described groove surface of the basal surface of lens contacts with these first lens, will be at an angle of from the light of the first lens Ground divergently penetrates, and the first lens and the second lens face opposite are installed, it is therefore an objective to the imaging of poor efficiency camera lens is special Property, form more preferable illumination uniformity;Support, around the second lens and the periphery of the first lens, this support Detachably support this second lens, and detachably support this first lens directly or indirectly;
It is installed to the outside of described light source part frame and flashes the radiator below support.
Preferably, described first lens are planoconvex lens, and the planar side of this planoconvex lens is positioned at from light source part Near bottom, the convex surface of this planoconvex lens is positioned at away from light source part and protruding towards the direction of light outgoing, The convex surface of this planoconvex lens contacts with the described groove surface of these the second lens, thus this planoconvex lens is by light source The light of part injection converges.Preferably, described first lens are to have bright finish relative to each other and texture The Fresnel Lenses on surface, the bright finish side of these the first lens as close to light source part lower surface, this is years old The groove surface of one lens is positioned at the side away from light source part as upper surface, the described tooth of these the first lens Stricture of vagina surface contacts with the described groove surface of these the second lens, thus what light source part was penetrated by these first lens Light converges.Preferably, also include bracket, this bracket between the first lens and support removably Support this first lens.Preferably, also include the base portion of cup-shaped, its opening towards the direction of beam projecting, The downside of light source part frame is installed on base portion, and radiator is connected with the upside of base portion.It is preferably located at The space of light source part frame bottom is lower space, is used for putting LED drive circuit.Preferably, second The focal length of lens and the focal length of the first lens are proportional, and ratio value is 1: between 1-5: 1.Preferably, The focal length of one lens is 20mm, and the focal length of the second lens is between 38-150mm, thus the angle of emergence is at 8 ° ~between 90 °.Preferably, the outside of the first lens has flange part, and flange part is positioned at outside lens body Side, and this flange part from the edge of this lens body extend radially outwardly a segment distance and with the first lens One-body molded, this flange part has certain thickness, and this thickness is radially basically unchanged.Preferably, bracket Inner side fixed first lens, the outside of bracket is connected to support, and the outside of the first lens has flange part, Wherein use attachment means, by flange part, the first lens are releasably attached to bracket.Preferably, support Being to be determined by the external shape of required light fixture, the lower end inside of support is detachably connectable to bracket or the One lens, the inner side of support is detachably connected with the second lens.Between between these the first lens and second lens Away from the crevice projection angle of decision light, this spacing can be zero, thus the first lens and the second lens phase mutual connection Touch.The major function of the second lens is further optically focused and sheen.
Relative to preferred embodiment the most hereinafter, LED lamp of the present utility model will be described.This practicality Novel embodiment application is LED spotlight, LED down etc., it is also possible to apply in other illuminators With in the application including other illuminators, other use the illuminator of this LED lamp, such as wall to shine Bright, overhead illumination, lighting for large space, display thing illumination.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, one preferred embodiment of this utility model can be found out well The LED lamp limited.LED lamp in this utility model embodiment includes light source part 103, is positioned at light The outside of source part 101 and the light source part frame 108 of ambient light source part 101, be used for as light source portion Point provide and to install and the space of illumination, so that the light sent from light source part can arrive as much as possible Mirror 104, light source part 103 is also secured to light source part frame, so that light source part can be consolidated Fix, it is to avoid its shot-light during transport, installation etc. rocks the damage caused.This light source part 103 can be the substrate with LED chip group, and this LED chip group passes through level package, thus can To realize the luminescence of wide-angle, this substrate can be aluminium base or the substrate of other any suitable forms.
Light source part frame 108 can be cylindric, and the lower surface of light source part frame is positioned at the sidewall of cylinder Centre, on the lower surface of the inside that light source part is arranged on cylinder by substrate, mounting means can be screw Connect or snap connection or the connection of other any suitable forms;The upper surface of cylinder can be transparent material Material is made, from without stopping that the light of light source part 103 sends.Light source part frame can also not go up table Face.Light source part frame can be made up of metal material or other any suitable high reflecting materials, with Just the light being irradiated to light source part frame is made to be reflected to lens as much as possible.Light source part frame 108 Downside be installed on base portion 102.
Lens 104, namely the first lens, be positioned at the top of light source part frame 108, be preferably located in Above light source part frame at about 12mm, thus will reflect from the light of light source part 103.Lens 104 can be planoconvex lens, and plane is towards light source part 103, convex surface facing the direction of light outgoing, thus will Light from light source part converges.This lens 104 e.g. glass lens or organic material lens or its The planoconvex lens that his any type of material is constituted.The outside of lens 104 can have flange part 201, convex Edge is positioned at the part of convex surface and plane handing-over, and flange part extends radially outwardly from the edge of convex surface with plane One segment distance is the most one-body molded with lens, and flange part has certain thickness, and this thickness is the most basic Constant, consequently facilitating use the attachment means such as screw, by flange part, lens are installed to bracket 107.Screw Number and position can limit as required.The focal length of lens is such as at 10-50, preferably at 18-22mm Between, most preferably at 27.5mm, go out angle and the brightness decision of light as required.Lens 104 can be straight Receive support 109 in succession.Lens 104 can also be supported by bracket 107, and the shape of bracket 107 can basis The shape of lens and support determines, such as, can be circular, polygon or other suitable shapes Shape, the inner side of bracket is used for being removably secured lens 104, and the outside of bracket is used for being detachably attached to prop up Frame 109.As required, lens be can be implemented as dismountable, it is simple to change.
In another embodiment, as the first lens, lens 104 can be Fresnel Lenses (not shown) Form.This Fresnel Lenses as the first lens is positioned at the top of light source part frame 108, thus will Light from light source part 103 reflects.This Fresnel Lenses has bright finish relative to each other and texture table Face, this bright finish side is positioned at the bottom close to light source part, and the groove surface of this Fresnel Lenses is positioned at from light source The most remote side, the groove surface of this Fresnel Lenses and another Fresnel Lenses as the second lens The contact of groove surface, thus the light that light source part penetrates is converged by lens.Phenanthrene as the first lens The outside of Nie Er lens can have flange part, and flange part is positioned at the outside of lens body, and this flange part Extending radially outwardly a segment distance one-body molded with lens from the edge of this lens body, this flange part has Having certain thickness, this thickness is radially basically unchanged, consequently facilitating use the attachment means such as screw by convex Lens are installed to bracket 107 or to be mounted directly to support 109 by edge.Fresnel as the first lens is saturating Mirror can directly be connected with support 109, such as, connected by flange and 109.Fei Nie as the first lens You can also be supported by bracket 107 by lens, or are otherwise directly or indirectly connected to support 109.The shape of bracket 107 can determine according to the shape of lens and support, can be such as circular, Polygon or other suitable shapes, the inner side of bracket is used for being removably secured this Fresnel Lenses, The outside of bracket may be used for being detachably attached to support 109.As required, lens are that can be implemented as can Dismounting, it is simple to change.
Lens 105 as the second lens are positioned at the top of lens 104, and the second lens can be planoconvex lens Or Fresnel Lenses.Below as a example by Fresnel Lenses 105 but it also may be planoconvex lens.Second Lens and the first lens can be closely spaced distance, such as 0-10mm, or can be with contact lens 104. Lens 104 and Fresnel Lenses 105 with very close to or the set-up mode that contacts make Fresnel Lenses Can will be modulated from the light of lens outgoing as much as possible, thus the angle needed for being formed.Second lens With the first lenticular spacing from for 0-10mm, its objective is, by gathering further from the light of the first lens, to carry High light intensity, reduces angle.Second lens and the first lens are relative reverse installation, i.e. pacify face-to-face Dress, it is therefore an objective to the imaging characteristic of poor efficiency camera lens, forms more preferable illumination uniformity.Fresnel Lenses will be from The divergently outgoing of the light of lens 104, the angle of emergence can be between 8 °~90 °.Fresnel Lenses is by engaging Connect, any suitable connected mode such as bonding or connector connection is connected to support 109.Fresnel Lenses Focal length be between 10-50mm, preferably 27.5mm.The focal length of Fresnel Lenses is into the focal length of lens Ratio, the arbitrary proportion etc. between e.g., about 1: 1-5: 1, such as 2: 1,3: 1,4: 1 etc..Specifically, The focal length of Fresnel Lenses is 38-40mm, and the focal length of lens 104 is about 20mm, thus obtains 8 ° The angle of emergence of left and right, or to utilize the Fresnel Lenses of 134-136mm focal length and focal length be about 20mm Lens 104, obtain the angle of emergence of about 135 °.This angle of emergence is can be real as desired by transform lens Existing.The focal length of Fresnel Lenses can also is that 50,60,70,80,90,100,110,120, 130,140,150mm etc., light change as required.Fresnel Lenses can be dismountable, It is conveniently replaceable.
Support 109 is to be determined by the external shape of required light fixture.Support 109 can be cylindrical shape , its lower end inside is detachably connectable to bracket, is connected with Fresnel Lenses inside upper end, connected mode Can be to be the modes such as engaging, bonding, threaded engagement.Support can also have upper surface, and this upper surface is Bright, Fresnel Lenses is positioned at below the upper surface of support, thus is protected Fresnel Lenses by support.From phenanthrene The light that Nie Er lens send becomes uniform, and can be according to planoconvex lens and the Fresnel changing different focal Lens, thus obtain the emergent light of different angles.
Base portion 102 can be cup-shaped, and its opening is towards the direction of beam projecting, and light source part frame is installed At this aperture position, so that light source part frame is connected with the wall at aperture position, mounting means can To be clamping, lamp mode bonding, threaded, radiator can be grid form or other are any suitably Form.
The outside of light source part frame is provided with radiator 101, the upside phase of this radiator 10 and base portion 102 Connect, thus by substrate and radiator, the LED chip in light source part is dispelled the heat.In some embodiments In, this radiator can serve as the shell on the back of LED lamp, namely omits base portion.In other embodiments In, this LED lamp can have other back shell structures using the shell as LED lamp.Radiator 101 The lateral wall external contact of top and light source part frame 108, to help to dispel the heat.Radiator 101 upper Portion contacts with support 109 or connects, thus constitutes the outside of this light fixture.Radiator 101 can be many for having The radiator of many heat spreader structures that individual flank is constituted, the most each flank includes gradually becoming along light exit direction Thickness, thus preferably dispel the heat.Certainly, radiator 101 can also be other any suitable structures, does not limits In above-mentioned.
The space being positioned at light source part frame 108 bottom is lower space 106, is used for putting LED and drives electricity Road (not shown).
LED lamp also includes screw socket 110.After screw socket 110 is positioned at radiator 101 and matrix 102 Side, and be connected with matrix 102, the LED drive circuit of LED lamp can be connected by screw socket 104 To for electric position, screw socket 104 can make socket type, it is also possible to is e.g. E27 or E14 standard spiral shell Mouthful, thus allow the current existing light fixture of this LED replacement.
The LED lamp of the application, the wall and the variola ' that are mainly used in high-quality are washed wall ' illumination, are had light and throw Penetrate distance, light projector uniformly, the scope of illumination can adjust the most rotatably, energy-conservation etc. excellent Point, being particularly suited for can be as the display lighting dedicated lamp of long and narrow display thing in domestic light application, it is also possible to The long and narrow light belt of projection is room lighting decoration.The length of light fixture can change as required.
Although attention being guided into as possible in the foregoing description is considered as particular importance for this utility model Those features, but it is to be understood that regardless of whether emphasize it especially, applicant is claimed Any feature with patentability that is that hereinbefore mention and/or that illustrate in the accompanying drawings or the combination of feature.

Claims (10)

1. a LED lamp, it is characterised in that including:
Light source part, described light source part includes LED chip group and substrate;
Light source part frame, for light source part is installed to wherein, and fixed light source part;
First lens, are positioned at the top of light source part, carry out forward peace by the principle of planoconvex lens optically focused Dress, converges the light that light source part penetrates;
Second lens, these second lens are positioned at above these first lens, with the first lenticular spacing from for 0- 10mm is will gather further from the light of the first lens, and the second lens and the first lens are relative reverse Install;
Radiator, is positioned at light source part frame, the first lens and the outside of the second lens.
LED lamp the most according to claim 1, it is characterised in that described first lens are that plano-convex is saturating Mirror or Fresnel Lenses, these first lens carry out forward installation by optical concentration principle, when using planoconvex lens Plane is close to sources side, and when using Fresnel Lenses, the bright finish of lens is close to sources side, thus utilizes and be somebody's turn to do The light that light source part penetrates is converged by the first lens.
LED lamp the most according to claim 1, it is characterised in that the front end of the first lens adds Second lens, the second lens are Fresnel Lenses or planoconvex lens, and these second lens need to be reverse with the first lens Install, as used Fresnel Lenses, the serrated face of this Fresnel Lenses and the serrated face of the first lens or front Relatively, as used planoconvex lens, then the convex surface of planoconvex lens and the serrated face of the first lens or vis-a-vis.
4. according to the LED lamp described in any one in claim 1-3, it is characterised in that the first lens Focal length be 10-50mm.
LED lamp the most according to claim 4, it is characterised in that the focal length of the first lens is 27.5mm。
6. according to the LED lamp described in any one in claim 1-3, it is characterised in that the second lens Focal length be 10-50mm.
LED lamp the most according to claim 6, it is characterised in that the focal length of the second lens is 27.5mm。
8. according to the LED lamp described in any one in claim 1-3, it is characterised in that the first lens With the spacing that second between lens sets between 0-150mm according to required light projection angle.
LED lamp the most according to claim 8, it is characterised in that the first lens and the second lens it Between spacing be 0-25mm.
10. according to the LED lamp described in any one in claim 1-3, it is characterised in that the first lens It is positioned at light source upper 12mm.
CN201620370184.5U 2016-04-19 2016-04-19 Light emitting diode (LED) lamp Expired - Fee Related CN205535152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620370184.5U CN205535152U (en) 2016-04-19 2016-04-19 Light emitting diode (LED) lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620370184.5U CN205535152U (en) 2016-04-19 2016-04-19 Light emitting diode (LED) lamp

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107800478A (en) * 2017-10-16 2018-03-13 唐义 A kind of white light emission antenna for polychrome movement visible light communication
CN110133768A (en) * 2019-05-13 2019-08-16 深圳明智超精密科技有限公司 A kind of novel conjoined structure lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107800478A (en) * 2017-10-16 2018-03-13 唐义 A kind of white light emission antenna for polychrome movement visible light communication
CN110133768A (en) * 2019-05-13 2019-08-16 深圳明智超精密科技有限公司 A kind of novel conjoined structure lens

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Granted publication date: 20160831

Termination date: 20200419