CN103185292B - 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 lamp in use or when using under vibration environment condition, reflector can produce permanent deformation in the market, thus change the reflector shape of reflector, changes optics light distribution effect, thus reduce the light efficiency of Down lamp.

[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 lamp cylinder, and described reflector structure comprises:

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

Shell fragment, is fixed on the side of described support portion near described body bottom portion;

Wherein, the inwall of described lamp cylinder is provided with along its axially extended gathering sill, and the free end of described shell fragment is connected in described gathering sill and makes described reflector be fixed in described lamp cylinder, and described shell fragment, under described lamp cylinder is subject to external force vibrations, elastic deformation occurs.

Further, described body is spliced to form by the around portion of multiple prismatic table shape differed in size.

Further, the sidewall of described body offers two light source holes being oppositely arranged, passing for linear light sorurce.

Further, described body is rectangular pyramid shape.

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

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

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

Further, also comprise 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 the second support portion removably connect away from the side of described body and described reflector decorative panel.

Further, described shell fragment comprises matrix part and is located at fixed part and the kink at described matrix part two ends respectively, described fixed part tilts relative to described matrix part, described kink extends substantially vertically from the end of matrix part, and arrange towards the outer surface of described body, and described shell fragment is made to be subject under extraneous thrust along described gathering sill slidably.

Meanwhile, be necessary to provide a kind of Down lamp containing above-mentioned reflector structure.

A kind of Down lamp, comprising:

Above-mentioned reflector structure;

Described lamp cylinder; And

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

When there is the vibration of collision or certain amplitude in the lamp cylinder of above-mentioned Down lamp; the shell fragment of reflector structure just can pass the vibration force of coming by absorption modulation cylinder; avoid reflector to produce permanent deformation because of the collision with lamp cylinder and affect the reflecting effect of reflector, thus playing the effect of protection reflector.

[accompanying drawing explanation]

Fig. 1 is the stereogram of the Down lamp of better embodiment of the present invention;

Fig. 2 is for Down lamp shown in Fig. 1 is along the sectional view of its axis;

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

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

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

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

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

Fig. 8 is the stereogram after the removing of Down lamp shown in Fig. 1 lamp cylinder.

[detailed description of the invention]

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

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

Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.

Refer to Fig. 1 and Fig. 2, the Down lamp 100 of better embodiment of the present invention comprises lamp cylinder 110 and reflector structure 120.Down lamp 100 can for containing cold-cathode fluorescence lamp light fixture, containing bulb light fixture, the light fixture containing Metal halogen lamp, LED lamp, in the present embodiment, be described for the light fixture containing 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 cylinder 110 can be cylindrical shape, prismatic, truncated cone-shaped, prismatic table shape etc., and specifically in the present embodiment, lamp cylinder 110 is cylindrical shape.The inwall of lamp cylinder 110 is provided with along its axially extended gathering sill 111.

Refer to Fig. 3 and Fig. 4 and Fig. 5, reflector structure 120 is contained in lamp cylinder 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.The sidewall of body 1211 offers two light source holes be oppositely arranged 1212, light source hole 1212 passes for linear light sorurce, such as, and Metal halogen lamp, cold-cathode fluorescence lamp etc.Support portion 1213 extends from the edge of light-emitting window towards the outer lateral buckling of body 1211, concrete, supports 1213 around light-emitting window setting, and vertical with the optical axis of reflector 121.

In order to make the light intensity of the emergent light of reflector 121 comparatively even, body 1211 is spliced to form by the around portion of multiple prismatic table shape differed in size.

It should be noted that, herein " taper " comprise polygonal pyramid shape, taper shape, elliptic conic shape etc. analogous shape.In the present embodiment, be described for rectangular pyramid shape.

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

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

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

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

Please again consult Fig. 5, the middle part of reflector decorative panel 125 offers the window 1251 corresponding with reflector 121 light-emitting window.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 the second support portion 1218 removably connect away from the side of the body 1211 of reflector 121 and reflector decorative panel 125, concrete, be fixed together with reflector decorative panel 125 and shell fragment 123 in first support portion 1217 and the second support portion 1218 by rivet, 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, and now, shell fragment 123 is fixedly connected with support portion 1213 when the first reflecting part 1215, two the second reflecting part 1216, first support portions 1217 and the second support portion 1218 are formed in one structure.

Shell fragment 123 is fixed on the side of support portion 1213 bottom body 1211 of reflector 121, concrete, and shell fragment 123 is four, is individually fixed in two the first support portions 1217 and two the second support portions 1218.Wherein, the free end of shell fragment 123 is connected in the gathering sill 111 of lamp cylinder 110, and makes reflector 121 be fixed in lamp cylinder 110, and shell fragment 123, under lamp cylinder 110 is subject to external force vibrations, elastic deformation occurs.

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 relative to matrix part 1231.Kink 1233 extends substantially vertically from the end of matrix part 1231, and arranges towards the outer surface of the body 1211 of reflector 121, and makes shell fragment 123 be subject under extraneous thrust along the gathering sill 111 of lamp cylinder 110 slidably.

Refer to Fig. 2 and Fig. 8, Metal halogen lamp 130 wears the light source hole 1212 of reflector 121, and the light that Metal halogen lamp 130 sends, after reflector 121 reflects, penetrates from the light-emitting window of reflector 121.Specifically in the present embodiment, Metal halogen lamp 130 is Double 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 lamp cylinder 110.Concrete in the present embodiment, comprise U-shaped portion (figure does not mark) and be located at the boss portion 151 of 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 on the bottom outside of U-shaped portion, and are positioned at the both sides of boss portion 151.The bottom of reflector 121 is fixedly connected with boss portion 151.Two free ends of U-shaped portion are fixedly connected with the openend of lamp cylinder 110.

Thermal insulation board 160 is contained in lamp cylinder 110, and between two support arms being fixed on 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 fixedly connected with lug 153.The inner chamber of lamp cylinder 110 is isolated into an electronic device host cavity 113 and a light-source chamber 114 by thermal insulation board 160.Reflector 121 and Metal halogen lamp 130 are contained in light-source chamber 114.

Please again consult Fig. 1, radiating subassembly 170 is fixed on the one end at electronic device host cavity 113 place of lamp cylinder 110.Radiating subassembly 170 comprises parallel and spaced radiating fin (figure does not mark), and radiating fin is arranged along the axis of lamp cylinder 110.Fixed support 180 takes the shape of the letter U, and two free end is fixedly connected with radiating subassembly 170.

When there is the vibration of collision or certain amplitude in the lamp cylinder 110 of above-mentioned Down lamp 100; the shell fragment 123 of reflector structure 120 just can pass the vibration force of coming by absorption modulation cylinder 110; avoid reflector 121 to produce permanent deformation because of the collision with lamp cylinder 110 and affect the reflecting effect of reflector 121, thus playing the effect of protection reflector 121.

The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It 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 (5)

1. a reflector structure, it can be contained in lamp cylinder, it is characterized in that, described reflector structure comprises:

Reflector, comprise body and the support portion of taper, the stub end of described body offers light-emitting window and the sidewall of described body offers two and is oppositely arranged, for the light source hole that linear light sorurce passes, described body is rectangular pyramid shape and comprises the first substantially V-shaped reflecting part and basic two the second reflecting parts in isosceles triangle, described two the second reflecting parts are located at two relative indentation, there of described first reflecting part respectively, described support portion extends from the edge of described light-emitting window towards the outer lateral buckling of described body, described support portion comprises the first support portion of the bottom being located at described first reflecting part and is located at second support portion of bottom of the second reflecting part, described light source hole is opened in the two lateral walls of described first reflecting part, and described light source hole is the long and narrow hole axially extending to the top of described first reflecting part from described first support portion along described body, and

Shell fragment, is fixed on the side of described support portion near described body bottom portion;

Wherein, the inwall of described lamp cylinder is provided with along its axially extended gathering sill, and the free end of described shell fragment is connected in described gathering sill and makes described reflector be fixed in described lamp cylinder, and described shell fragment, under described lamp cylinder is subject to external force vibrations, elastic deformation occurs.

2. reflector structure as claimed in claim 1, it is characterized in that, described body is spliced to form by the around portion of multiple prismatic table shape differed in size.

3. reflector structure as claimed in claim 2, it is characterized in that, also comprise 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 the second support portion removably connect away from the side of described body and described reflector decorative panel.

4. the reflector structure as described in any one of claims 1 to 3, it is characterized in that, described shell fragment comprises matrix part and is located at fixed part and the kink at described matrix part two ends respectively, described fixed part tilts relative to described matrix part, described kink extends substantially vertically from the end of matrix part, and arrange towards the outer surface of described body, and described shell fragment is made to be subject under extraneous thrust along described gathering sill slidably.

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

Reflector structure as described in any one of Claims 1 to 4;

Described lamp cylinder; And

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