CN103185292A - Tube light and reflector structure thereof - Google Patents

Abstract

The invention discloses a reflector structure, which can be accommodated in a light tube. The reflector structure comprises a reflector and an elastic sheet, wherein the reflector comprises a conical body and a support part; the bigger head end of the conical body is provided with a light outlet; the support part is bent and extends from the edge of the light outlet to the outer side of the body; the elastic sheet is fixed on one side, which is close to the bottom of the body, of the support part; the inner wall of the light tube is provided with a guide groove extending along the axial direction of the light tube; the free end of the elastic sheet is pressed against the inside of the guide groove, so that the reflector is fixed in the light tube; and the elastic sheet is elastically deformed when the light tube vibrates under the action of external force. When the light tube of the tube light is collided or vibrates at a certain amplitude, the elastic sheet of the reflector structure can be used for absorbing vibration force transmitted by the light tube, and the reflecting effect of the reflector is prevented from being influenced by permanent deformation of the reflector due to collision with the light tube, so that the reflector is protected. The invention further provides a tube light provided with the reflector structure.

Description

Down lamp and reflector structure thereof

[technical field]

The present invention relates to a kind of illuminations, particularly relate to a kind of Down lamp and reflector structure thereof.

[background technology]

The reflector of various Down lamps in use or when using under the vibration environment condition, reflector can produce permanent deformation, thereby has changed the reflector shape of reflector, has changed the optics light distribution effect, thereby has reduced the light efficiency of Down lamp in the market.

[summary of the invention]

In view of above-mentioned condition, be necessary to provide a kind of on-deformable reflector structure.

A kind of reflector structure, it can be contained in the lamp tube, and described reflector structure comprises:

Reflector comprises body and the support portion of taper, and the stub end of described body offers light-emitting window, and extend towards the outer lateral buckling of described body from the edge of described light-emitting window described support portion; And

Shell fragment is fixed in described support portion near a side of described body bottom;

Wherein, the inwall of described lamp tube is provided with along its axially extended gathering sill, and the free end of described shell fragment is connected in the described gathering sill and described reflector is fixed in the described lamp tube, and described shell fragment is subjected to taking place under the external force vibrations elastic deformation at described lamp tube.

Further, described body being spliced to form around portion by a plurality of terrace with edge shapes of differing in size.

Further, offer two light source holes that are oppositely arranged, supply linear light sorurce to pass on the sidewall of described body.

Further, described body is rectangular pyramid shape.

Further, described body comprises the first V-shaped substantially reflecting part and is two second reflecting parts of isosceles triangle substantially, and is located at two relative indentation, there of described first reflecting part respectively.

Further, described support portion comprises first support portion of the bottom of being located at described first reflecting part and is located at second support portion of the bottom of second reflecting part.

Further, described light source hole is opened on the two lateral walls of described first reflecting part, and described light source hole is extending axially to the long and narrow hole at the top of described first reflecting part from described first support portion along described body.

Further, also comprise the reflector decorative panel, the middle part of described reflector decorative panel offers the window corresponding with described light-emitting window, and described first support portion and second support portion removably connect away from a side and the described reflector decorative panel of described body.

Further, fixed part and kink that described shell fragment comprises matrix part and is located at described matrix part two ends respectively, described fixed part tilts with respect to described matrix part, described kink extends substantially vertically from the end of matrix part, and towards the outer surface setting of described body, and make described shell fragment be subjected to the described gathering sill in extraneous thrust lower edge slidably.

Simultaneously, be necessary to provide a kind of Down lamp that contains above-mentioned reflector structure.

A kind of Down lamp comprises:

Above-mentioned reflector structure;

Described lamp tube; And

Metal halogen lamp wears described reflector, and the light that described Metal halogen lamp sends penetrates from described light-emitting window after reflecting through described reflector.

The lamp tube of above-mentioned Down lamp is when the vibration of collision or certain amplitude occurring; the shell fragment of reflector structure just can pass the vibration force of coming by the absorption modulation tube; avoid reflector to produce the reflecting effect that permanent deformation influences reflector because of the collision with the lamp tube, thereby play the effect of protection reflector.

[description of drawings]

Fig. 1 is the stereogram of the Down lamp of preferred embodiments of the present invention;

Fig. 2 is that Down lamp shown in Figure 1 is along its axial cutaway view;

Fig. 3 is the stereogram of the reflector structure of Down lamp shown in Figure 1;

Fig. 4 is the stereogram at another visual angle of reflector structure of Down lamp shown in Figure 3;

Fig. 5 is the exploded view of the reflector structure of Down lamp shown in Figure 3;

Fig. 6 is the stereogram of reflector of the reflector structure of Down lamp shown in Figure 3;

Fig. 7 is the exploded view of reflector shown in Figure 6;

Fig. 8 is the stereogram after Down lamp shown in Figure 1 is removed the lamp tube.

[specific embodiment]

For the ease of understanding the present invention, with reference to relevant drawings the present invention is described more fully below.Provided preferred embodiment of the present invention in the accompanying drawing.But the present invention can realize with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make the understanding of disclosure of the present invention comprehensively thorough more.

Need to prove that when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.

Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present invention with scientific terminology.Employed term is not intended to be restriction the present invention just in order to describe the purpose of specific embodiment in specification of the present invention herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.

See also Fig. 1 and Fig. 2, the Down lamp 100 of preferred embodiments of the present invention comprises lamp tube 110 and reflector structure 120.Down lamp 100 can be for the light fixture that contains cold-cathode fluorescence lamp, contain the bulb light fixture, contain light fixture, the LED light fixture of Metal halogen lamp, in the present embodiment, is that example describes with the light fixture that contains Metal halogen lamp.

Down lamp 100 also comprises Metal halogen lamp 130, lamp socket 140, light source bracket 150, thermal insulation board 160, radiating subassembly 170 and fixed support 180.

Lamp tube 110 can be cylindrical shape, prismatic, truncated cone-shaped, terrace with edge shape etc., and specifically in the present embodiment, lamp tube 110 is cylindrical shape.The inwall of lamp tube 110 is provided with along its axially extended gathering sill 111.

See also Fig. 3 and Fig. 4 and Fig. 5, reflector structure 120 is contained in the lamp tube 110.Reflector structure 120 comprises reflector 121, shell fragment 123 and reflector decorative panel 125.

Reflector 121 comprises body 1211 and the support portion 1213 of taper.The stub end of body 1211 offers light-emitting window.Offer two light source holes that are oppositely arranged 1212 on the sidewall of body 1211, light source hole 1212 passes for linear light sorurce, for example, and Metal halogen lamp, cold-cathode fluorescence lamp etc.Extend towards the outer lateral buckling of body 1211 from the edge of light-emitting window support portion 1213, concrete, supports 1213 ones around the light-emitting window setting, and vertical with the optical axis of reflector 121.

For the light intensity of the emergent light that makes reflector 121 is comparatively even, body 1211 is spliced to form around portion by a plurality of terrace with edge shapes of differing in size.

Need to prove, herein " taper " comprise polygonal pyramid shape, taper shape, oval taper etc. analogous shape.In the present embodiment, be that example describes with rectangular pyramid shape.

See also Fig. 6 and Fig. 7, specifically in the present embodiment, body 1211 comprises first reflecting part 1215 and two second reflecting parts 1216.First reflecting part 1215 is V-shaped substantially.Each second reflecting part 1216 is isosceles triangle substantially, and is located at two relative indentation, there of first reflecting part 1215 respectively, so that two second reflecting parts 1216 and first reflecting part 1215 are spliced into a shell structure that is rectangular pyramid shape jointly.

Support portion 1213 comprises first support portion 1217 and second support portion 1218.Concrete, first support portion 1217 is two, is located at the both sides of the bottom of first reflecting part 1215 respectively.Second support portion 1218 is two, is located at the bottom of two second reflecting parts 1216 respectively.

Specifically in the present embodiment, light source hole 1212 is opened on the two lateral walls of first reflecting part 1215, and light source hole 1212 is extending axially to the long and narrow hole at the top of first reflecting part 1215 from first support portion 1217 along body 1211.

Need to prove that light source hole 1212 is not limited to be opened on the sidewall of first reflecting part 1215, also can be opened on the sidewall of second reflecting part 1216.In addition, light source hole 1212 is not limited to long and narrow hole, also can be other shapes, for example, and elliptical aperture, circular port etc.

Please consult Fig. 5 again, the middle part of reflector decorative panel 125 offers the window 1251 corresponding with reflector 121 light-emitting windows.Window 1251 can be circular port, elliptical aperture, rectangular opening etc., and specifically in the present embodiment, window 1251 is rectangular opening.First support portion 1217 and second support portion 1218 removably connect away from a side and the reflector decorative panel 125 of the body 1211 of reflector 121, concrete, by rivet first support portion 1217 and second support portion 1218 are fixed together with reflector decorative panel 125 and shell fragment 123, reflector decorative panel 125 and shell fragment 123 lay respectively at the both sides of support portion 1213.

Be appreciated that then reflector decorative panel 125 can omit when first reflecting part 1215, two second reflecting parts 1216, first support portion 1217 and second support portions 1218 structure that is formed in one, at this moment, shell fragment 123 is fixedlyed connected with support portion 1213 and is got final product.

Shell fragment 123 is fixed in the support portion 1213 of reflector 121 near a side of body 1211 bottoms, and concrete, shell fragment 123 is four, is individually fixed in two first support portions 1217 and two second support portions 1218.Wherein, the free end of shell fragment 123 is connected in the gathering sill 111 of lamp tube 110, and reflector 121 is fixed in the lamp tube 110, and shell fragment 123 is subjected to taking place under the external force vibrations elastic deformation at lamp tube 110.

Specifically in the present embodiment, shell fragment 123 comprises matrix part 1231, fixed part 1233 and kink 1235.Fixed part 1233 and kink 1233 are located at matrix part 1231 two ends respectively.Fixed part 1233 tilts with respect to matrix part 1231.Kink 1233 extends substantially vertically from the end of matrix part 1231, and towards the outer surface setting of the body 1211 of reflector 121, and makes gathering sill 111 that shell fragment 123 is subjected to extraneous thrust lower edge lamp tube 110 slidably.

See also Fig. 2 and Fig. 8, Metal halogen lamp 130 wears the light source hole 1212 of reflector 121, after the light that Metal halogen lamp 130 sends reflects through reflector 121, from the light-emitting window ejaculation of reflector 121.Specifically in the present embodiment, Metal halogen lamp 130 is the both-end Metal halogen lamp, and lamp socket 140 is two, and the two ends of Metal halogen lamp 130 are connected with two lamp sockets 140.

Light source bracket 150 is fixed in the lamp tube 110.Specifically in the present embodiment, comprise U-shaped portion (figure mark) and be located at the boss portion 151 of the bottom outside of U-shaped portion.Specifically in the present embodiment, boss portion 151 is bent to form by the bottom of U-shaped portion.Two lamp sockets 140 are fixed in the bottom outside of U-shaped portion, and are positioned at the both sides of boss portion 151.Fixedly connected with boss portion 151 in the bottom of reflector 121.Two free ends of U-shaped portion are fixedlyed connected with the openend of lamp tube 110.

Thermal insulation board 160 is contained in the lamp tube 110, and is fixed between two support arms of light source bracket 150.Specifically in the present embodiment, the support arm of light source bracket 150 is extended with lug 153 towards interior lateral buckling, and the periphery of thermal insulation board 160 is fixedlyed connected with lug 153.Thermal insulation board 160 is isolated into an electronic device host cavity 113 and a light-source chamber 114 with the inner chamber of lamp tube 110.Reflector 121 and Metal halogen lamp 130 are contained in the light-source chamber 114.

Please consult Fig. 1 again, radiating subassembly 170 is fixed in an end at electronic device host cavity 113 places of lamp tube 110.Radiating subassembly 170 comprises radiating fin parallel and that arrange at interval (figure is mark not), and radiating fin is along the axial setting of lamp tube 110.Fixed support 180 takes the shape of the letter U, and two free end is fixedlyed connected with radiating subassembly 170.

The lamp tube 110 of above-mentioned Down lamp 100 is when the vibration of collision or certain amplitude occurring; the shell fragment 123 of reflector structure 120 just can pass the vibration force of coming by absorption modulation tube 110; avoid reflector 121 to produce the reflecting effect that permanent deformation influences reflector 121 because of the collision with lamp tube 110, thereby play the effect of protection reflector 121.

The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. reflector structure, it can be contained in the lamp tube, it is characterized in that, and described reflector structure comprises:

Reflector comprises body and the support portion of taper, and the stub end of described body offers light-emitting window, and extend towards the outer lateral buckling of described body from the edge of described light-emitting window described support portion; And

Shell fragment is fixed in described support portion near a side of described body bottom;

Wherein, the inwall of described lamp tube is provided with along its axially extended gathering sill, and the free end of described shell fragment is connected in the described gathering sill and described reflector is fixed in the described lamp tube, and described shell fragment is subjected to taking place under the external force vibrations elastic deformation at described lamp tube.

2. reflector structure as claimed in claim 1 is characterized in that, described body is spliced to form around portion by a plurality of terrace with edge shapes of differing in size.

3. reflector structure as claimed in claim 2 is characterized in that, offers two light source holes that are oppositely arranged, supply linear light sorurce to pass on the sidewall of described body.

4. reflector structure as claimed in claim 3 is characterized in that, described body is rectangular pyramid shape.

5. reflector structure as claimed in claim 4 is characterized in that, described body comprises the first V-shaped substantially reflecting part and is two second reflecting parts of isosceles triangle substantially, and is located at two relative indentation, there of described first reflecting part respectively.

6. reflector structure as claimed in claim 5 is characterized in that, described support portion comprises first support portion of the bottom of being located at described first reflecting part and is located at second support portion of the bottom of second reflecting part.

7. reflector structure as claimed in claim 6, it is characterized in that, described light source hole is opened on the two lateral walls of described first reflecting part, and described light source hole is extending axially to the long and narrow hole at the top of described first reflecting part from described first support portion along described body.

8. reflector structure as claimed in claim 6, it is characterized in that, also comprise the reflector decorative panel, the middle part of described reflector decorative panel offers the window corresponding with described light-emitting window, and described first support portion and second support portion removably connect away from a side and the described reflector decorative panel of described body.

9. as each described reflector structure of claim 1～8, it is characterized in that, fixed part and kink that described shell fragment comprises matrix part and is located at described matrix part two ends respectively, described fixed part tilts with respect to described matrix part, described kink extends substantially vertically from the end of matrix part, and towards the outer surface setting of described body, and make described shell fragment be subjected to the described gathering sill in extraneous thrust lower edge slidably.

10. a Down lamp is characterized in that, comprising:

As each described reflector structure of claim 1～9;

Described lamp tube; And

Metal halogen lamp wears described reflector, and the light that described Metal halogen lamp sends penetrates from described light-emitting window after reflecting through described reflector.

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