CN206079904U

CN206079904U - LED bar lamp and exhibition cabinet

Info

Publication number: CN206079904U
Application number: CN201620629307.2U
Authority: CN
Inventors: 徐柏章; 张发伟
Original assignee: Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd; Self Electronics Co Ltd
Priority date: 2016-06-22
Filing date: 2016-06-22
Publication date: 2017-04-12
Anticipated expiration: 2026-06-22

Abstract

The utility model provides a LED bar lamp and exhibition cabinet, should exhibit the cabinet and include a holding chamber to an and at least LED bar lamp. The holding chamber includes an installation reference line. LED bar lamp includes a bar lighting fixture, a plurality of LED chips to and lens post. The LED chip includes a chip optical axis. The lens post includes an optical axis of the len, a first plain noodles to and a second goes out the plain noodles. First plain noodles is collector lens, convex lens are drawn together to second light -emitting bread, and one lie in plane between convex lens and first the plain noodles, optical axis of the len includes an acute angle with the contained angle of installation reference line. Because the allotment of the emergent light of LED chip is faced to first, the second light -emitting of the lens post of LED bar lamp for light can be propagated according to appointed route, thereby can avoid reducing the luminous efficiency of LED bar lamp because of being in the light when reducing the glare, and then makes the exhibition cabinet that uses this LED bar lamp have better illuminating effect.

Description

A kind of LED bar graph lamp and exhibition cabinet

Technical field

This utility model is related to a kind of field of illuminating lamps, particularly a kind of LED bar graph lamp and exhibition cabinet.

Background technology

Under the background of energy-conserving and environment-protective, LED lamp is answered more and more because which has that light extraction efficiency is high, condenser performance is good For house, commercial lighting field.In the places such as such as exhibition center, jeweler's shop, museum, supermarket, there are some to shine at home It is bright, such as in big villa.With a large amount of uses of LED lamp, particularly strip lamp so that these are at home or commercial field The real demand that illumination is more close to the users.

However, due to due to LED chip that LED lamp is used is close to point source, and the lighting angle of LED chip is 180 degree, when these light fixtures are using in exhibition cabinet, often dazzle seriously makes one uncomfortable very much.Common method is to pass through These dazzles are blocked by some equipment that are in the light, do not allow its enter people eyes.But this method one is increased light fixture Overall volume, two is the loss for causing light, is unfavorable for improving the efficiency of light fixture.

Utility model content

In view of this, this utility model provides a kind of LED bar graph lamp and exhibition cabinet, to solve the above problems.

A kind of LED bar graph lamp, which includes a bar shaped lamp bracket, multiple LED chips being arranged on the bar shaped lamp bracket, with And during one is arranged on the bar shaped lamp bracket and be located at the LED chip light direction on lens post.The LED chip bag A chip optical axis is included, the lens post includes one with the chip on the section perpendicular to the axial direction of the bar shaped lamp bracket The parallel lens axis of optical axis, first exiting surface intersected with the lens axis, and one in the lens axis Bearing of trend on the second exiting surface for shifting to install with first exiting surface.First exiting surface is collecting lenses.Institute Stating the second exiting surface includes a convex lenss, and a plane being located between the convex lenss and the first exiting surface.

A kind of exhibition cabinet, which includes a containing cavity, and at least one is arranged on the LED bar graph in the containing cavity Lamp.The containing cavity includes a kind of installation reference line.The LED bar graph lamp includes a bar shaped lamp bracket, it is multiple be arranged on it is described LED chip on bar shaped lamp bracket, and during one is arranged on the bar shaped lamp bracket and be located on the light direction of the LED chip Lens post.The LED chip includes a chip optical axis.It is described on the section perpendicular to the axial direction of the bar shaped lamp bracket Mirror post includes a lens axis parallel with the chip optical axis, first exiting surface intersected with the lens axis, And second exiting surface shifted to install with first exiting surface on the bearing of trend of the lens axis.Described One exiting surface is collecting lenses, and second exiting surface includes a convex lenss, and one is located at the convex lenss and first Plane between exiting surface, the lens axis include an acute angle with the angle of installation reference line.

Compared with prior art, due to the LED bar graph lamp lens post first, second exiting surface to LED chip The allotment of emergent light so that light can be according to specified propagated, such that it is able to while dazzle is reduced, it is to avoid because It is in the light and reduces the light extraction efficiency of LED bar graph lamp, and then causes have preferably illumination effect using the exhibition cabinet of the LED bar graph lamp Really.

Description of the drawings

Below in conjunction with Description of Drawings embodiment of the present utility model, wherein：

A kind of decomposition texture schematic diagram of LED bar graph lamp that Fig. 1 is provided for this utility model.

The cross section structure schematic diagram of the axial directions of bar shaped lamp bracket of the Fig. 2 by having in the LED bar graph lamp perpendicular to Fig. 1.

The index path of the exhibition cabinet that Fig. 3 is provided for this utility model.

Specific embodiment

Specific embodiment of the utility model is further elaborated below based on accompanying drawing.It should be appreciated that Herein the explanation of this utility model embodiment is not used to limit protection domain of the present utility model.

Fig. 1 to Fig. 3 is referred to, a kind of structural representation of its exhibition cabinet 100 provided for this utility model.The exhibition Cabinet 100 includes a containing cavity 10, and at least one is arranged on the LED bar graph lamp 20 in the containing cavity 10.Certainly may It is contemplated that the exhibition cabinet 100 also includes other some parts, such as base, glass door and window, wire etc., this is not this Known by art personnel, will not be described here.

The containing cavity 10 is used to place by show piece, such as jewelry etc., and its shape can be customized according to user, in this enforcement In example, the containing cavity 10 is modal rectangle.But the product of placement are usually horizontal positioned, therefore designing the containing cavity When 10, an installation reference line 11 typically all first can be set.Perpendicular to horizon, which is the design appearance to the installation reference line 11 Put chamber 10 and the benchmark of the containing cavity 10 is installed.Of course, it should be understood that in some special occasions, the installation reference line 11 Perhaps horizon is not orthogonal to, but the datum line is certainly existed as design and the guide for installing the exhibition cabinet 100.

The LED bar graph lamp 20 includes a bar shaped lamp bracket 21, multiple LED chips being arranged in the bar shaped lamp bracket 21 22, and during one is arranged on the bar shaped lamp bracket 21 and be located at the LED chip 22 light direction on lens post 23.Can With it is contemplated that the LED bar graph lamp 20 also includes some other functional module, such as circuit board, power module, end cap, support Deng.

The lamp bracket 21 is a flute profile, and including the containing cavity 211 that is used to house the power module, one is used for Place the base 212 of the lens post 23, and two sides 213 for being disposed on 212 both sides of base.The flute profile lamp Frame 21 can be made up with nonmetallic materials of metal material, but generally for radiating, 21 multiplex metal material of the flute profile lamp bracket Extrusion molding, such as aluminium alloy.In the present embodiment, the section of the containing cavity 101 is semicircle.The containing cavity 211 is used for House described circuit board, LED chip 22, and the lens post 23.The base 212 is used to arrange the circuit board.Institute The both sides that two sides 213 are disposed on the base 212 are stated, and the lens post 23 are installed to reserve certain interval. The inner side of described two sides 213 offers slot 214 respectively.The slot 214 is used to plug the lens post 23.

The LED chip 22 is the light emitting diode known by those skilled in the art, be will not be described here.The LED Chip 22 includes a chip optical axis 221.The guiding that the chip optical axis 221 is designed for luminous intensity distribution, that is, the center of the LED chip 22 Line.Include at least two LED chips 22 to form bar shaped in the LED bar graph lamp 20, in the present embodiment, the LED strip Shape lamp 20 includes plurality of LEDs chip 22, can such as be more than 30.The LED chip 22 is arranged on circuit board, circuit board assembling In the bar shaped lamp bracket 21, so as to the LED chip 22 is arranged in the bar shaped lamp bracket 21.

The lens post 23 is also bar shaped, is plugged in the bar shaped lamp bracket 21.The lens are illustrated for convenience The planform of post 23, the lens post 23 are being demonstrated in fig. 2 perpendicular to the section of the axial direction of the bar shaped lamp bracket 21. On the section perpendicular to the axial direction of the bar shaped lamp bracket 21, the lens post 23 include one it is flat with the chip optical axis 221 Capable lens axis 231, first exiting surface 232 intersected with the lens axis 231, one in the lens axis The second exiting surface 233 shifted to install with first exiting surface on 231 bearing of trend, two are separately positioned on described First, the installation portion 234 of the both sides of the second exiting surface 232,233, and for housing the groove 235 of the LED chip 22.It is described Lens axis 231, as chip optical axis 221, is a virtual line, and which is the reference of lens design and guide.The lens light Axle 231 is parallel with the chip optical axis 221, it is preferred that the lens axis 231 is overlapped with chip optical axis 221.Described first goes out Bright finish 232 is a collecting lenses, in order to reduce the rising angle of 231 side of the lens axis.From figure 3, it can be seen that As the effect of first exiting surface 232 causes LED chip 22 to be located at the bottom of the light of 231 side of lens axis towards containing cavity 10 Portion deflects.Dazzle is prevented in order to reach, the rising angle of first exiting surface 232 should be less than 70 degree, and perpendicular to described On the section of the axial direction of bar shaped lamp bracket 21 simultaneously on the light direction of the LED chip 22 radius of the collecting lenses with it is saturating Angle between mirror optical axis 231 is acute angle, so that the emergent ray of first exiting surface 232 is folded to the lens axis 231.Second exiting surface 233 includes that a convex lenss 2331 and one are located at the convex lenss 2331 and the first exiting surface Plane 2332 between 232.The cambered surface that the convex lenss 2331 are located is tangent with the plane 2332, to form smooth surface. As first exiting surface 232 is intersected with lens axis 231, therefore, on the section of the bar shaped lamp bracket 21, institute It must, positioned at the side of the lens axis 231, not intersect with which to state the second exiting surface 233, therefore, the plane 2332 Can be by light deflection to the direction away from lens axis 231, from figure 3, it can be seen that the light of the plane 2332 is by deviation and directive The bottom of containing cavity 10.And as the convex lenss 2311 are acted on optically focused, the light at 22 edge of light LED chip can be collected by which Get up, while the also side wall of part light directive containing cavity 10, reaches the purpose for illuminating.Fig. 3 also show the position of human eye, with And the scope that human eye can be seen under normal circumstances, it can be seen that light can be adjusted using the lens post 23 It is fitted on and avoids the scope for being emitted directly toward human eye, reaches the purpose of anti-dazzle.

Two articles of installation portions 234 are separately positioned on described the on the section of the axial direction of the vertical bar shaped lamp bracket 21 First, two end points sides of the second exiting surface 232,233.Two installation portions 234 are plugged in the bar shaped lamp bracket 21, specifically Ground, two installation portions 234 are plugged in the slot 214 of the bar shaped lamp bracket 21.

The groove 235 is opened up along the axial direction of the lens post 23, for housing the plurality of LED chip 22, with abundant The light sent using the LED chip 22.

On the section perpendicular to the axial direction of the bar shaped lamp bracket 21, the lens post 23 is also located at described the including one First, the transition face 236 between the second exiting surface 232,233.Because first, second exiting surface 232,233 is in LED chip 22 Light direction on shift to install, between first, second exiting surface 232,233 formed a cliff, i.e., described transition face 236.In order to prevent the light reached by the transition face 236 pairs from forming total reflection, the transition face 236 and lens axis 231 it Between include an acute angle.Due to the total reflection, or light can be made to project lens forming dazzle, or this can be reflected back toward again Lens post 23, reduces light extraction efficiency.

When the LED bar graph lamp 20 is installed in the containing cavity 10, should be with the installation reference line 11 as ginseng Line is examined, specifically, the lens axis 231 and the angle theta of installation reference line 11 should be made to include an acute angle.Specifically, exist In the present embodiment, the lens axis 231 is 45 degree with the angle theta of installation reference line 11.

Compared with prior art, due to the LED bar graph lamp 20 lens post 23 first, second exiting surface 232,233 Allotment to the emergent light of LED chip 22 so that light can be according to specified propagated, such that it is able to reduce dazzle Simultaneously, it is to avoid the light extraction efficiency of LED bar graph lamp 20 is reduced because being in the light, and then causes the exhibition using the LED bar graph lamp 20 Cabinet 100 has more preferable illuminating effect.

Preferred embodiment of the present utility model is these are only, is not used to limit to protection domain of the present utility model, it is any Modification, equivalent or improvement in this utility model is spiritual etc., all cover in right of the present utility model.

Claims

1. a kind of LED bar graph lamp, it is characterised in that：The LED bar graph lamp includes a bar shaped lamp bracket, multiple to be arranged on the bar LED chip on shape lamp bracket, and during one is arranged on the bar shaped lamp bracket and be located on the light direction of the LED chip Lens post, the LED chip include a chip optical axis, the lens on the section perpendicular to the axial direction of the bar shaped lamp bracket Post includes a lens axis parallel with the chip optical axis, first exiting surface intersected with the lens axis, with And second exiting surface shifted to install with first exiting surface on the bearing of trend of the lens axis, described first Exiting surface is collecting lenses, and second exiting surface includes a convex lenss, and one goes out with first positioned at the convex lenss Plane between bright finish.

2. LED bar graph lamp as claimed in claim 1, it is characterised in that：The rising angle of first exiting surface is less than 70 degree.

3. LED bar graph lamp as claimed in claim 1, it is characterised in that：In the section perpendicular to the axial direction of the bar shaped lamp bracket The emergent ray of upper first exiting surface is folded to lens axis.

4. LED bar graph lamp as claimed in claim 1, it is characterised in that：In the section perpendicular to the axial direction of the bar shaped lamp bracket The upper lens post also including a transition face being located between first, second exiting surface, the transition face and optical axis it Between include an acute angle.

5. LED bar graph lamp as claimed in claim 1, it is characterised in that：Cambered surface and the plane phase that the convex lenss are located Cut.

6. LED bar graph lamp as claimed in claim 1, it is characterised in that：The convex lens on the light direction of the LED chip Angle between the radius and lens axis of mirror is acute angle.

7. LED bar graph lamp as claimed in claim 1, it is characterised in that：The optically focused on the light direction of the LED chip Angle between the radius and lens axis of lens is acute angle.

8. a kind of exhibition cabinet, it is characterised in that：The exhibition cabinet includes a containing cavity, and at least one is arranged on the appearance The LED bar graph lamp in chamber is put, the containing cavity includes a kind of installation reference line, and the LED bar graph lamp includes a bar shaped lamp bracket, Multiple LED chips being arranged on the bar shaped lamp bracket, and during one is arranged on the bar shaped lamp bracket and it is located at the LED core Lens post on the light direction of piece, the LED chip include a chip optical axis, perpendicular to the axial direction of the bar shaped lamp bracket Section on the lens post include a lens axis parallel with the chip optical axis, one is intersected with the lens axis The first exiting surface, and second shifted to install with first exiting surface on the bearing of trend of the lens axis Exiting surface, first exiting surface is collecting lenses, and second exiting surface includes a convex lenss, and one be located at it is described Plane between convex lenss and the first exiting surface, the lens axis include an acute angle with the angle of installation reference line.

9. exhibition cabinet as claimed in claim 8, it is characterised in that：The lens axis is 45 with the angle of installation reference line Degree.

10. exhibition cabinet as claimed in claim 8, it is characterised in that：The installation reference line is perpendicular to horizon.