CN202834934U

CN202834934U - Light-emitting diode (LED) light tube structure with reflective surfaces

Info

Publication number: CN202834934U
Application number: CN201220532542XU
Authority: CN
Inventors: 郭东栋; 邓万锋
Original assignee: Bright Photoelectric Co Ltd In Xiamen One Hundred
Current assignee: Xiamen Bymea Lighting Inc
Priority date: 2012-10-17
Filing date: 2012-10-17
Publication date: 2013-03-27
Anticipated expiration: 2022-10-17

Abstract

The utility model discloses a light-emitting diode (LED) light tube structure with reflective surfaces. The LED light tube structure with the reflective surfaces is characterized by comprising an outer shell, a heat radiator, and a light source plate, wherein the outer shell is of a long pipe shape which imitates a traditional long pipe fluorescent lamp, and two limiting parts are arranged on the inner wall of the outer shell in a symmetrical mode; the heat radiator is fixedly connected in the outer shell along the axial direction in an inserting mode, and the heat radiator is provided with a base seat and two wings on two sides of the base seat; the top ends of the wings are respectively matched with the two limiting parts; the base seat is arranged on the inner wall of the outer shell in a matched mode; the light source plate is inserted and fixed in the base seat along the axial direction, and LED light sources arranged in a linear mode are fixed at the top end of the light source plate; inner side faces of the two wings are symmetrical relative to the LED light sources and are provided with the reflective surfaces; the base seat is concave relative to the two wings and is arranged at a position which is near the bottom face of the inner wall of the outer shell. The wings with the reflective surfaces enable the LED light sources to have enough distance relative to a light emitting surface and enable the LED light sources to condense light in the outer shell. The part of light of the LED light sources emitted on the outer shell is output through an outer cover, the light output efficiency is guaranteed, and the light emitting surface is even.

Description

A kind of LED lamp tube structure with reflective surface

Technical field

The utility model relates to a kind of lighting source, specifically a kind of structure of the LED fluorescent tube with reflective surface.

Background technology

LED is more and more universal in the application of lighting field.The typical processing scheme of one is to make form and the electrical code of conventional lamp, makes it directly to use expediently on the supporting installation site and power supply of conventional lamp, and this is the thinking of one " substituting " type.Relatively common are the LED light fixture is shaped to elongate tubular fluorescent lamp, compact fluorescent lamp.Wherein, the replacement scheme of elongate tubular fluorescent lamp has a variety of, and its form is used the long tube shell of printing opacity more, and the led light source of in-built linear array and the radiator that axially connects are simulated the linear illumination effect of traditional long tube type fluorescent lamp with this.

Consider the luminous characteristics of LED, when granular led light source linear array, often less than 180 °, and main light intensity all concentrates on positive zone to its light emitting region at the vertical plane of long tube.Simultaneously, because the existence of radiator makes light source very near with respect to the exiting surface distance of shell, thus, the effect of whole light transmitting shell is affected, compares with the linear illumination effect of traditional elongate tubular fluorescent lamp and differ greatly.

The utility model content

Substitute the problem that LED lamp luminescence effect and conventional fluorescent fluorescent tube differ greatly for existing elongate tubular, the utility model proposes a kind of LED lamp tube structure with reflective surface, its technical scheme is as follows:

A kind of LED lamp tube structure with reflective surface comprises:

Shell is the elongate tubular of imitative traditional long-tube fluorescent lamp, and its inwall has two symmetrical limiting sections;

One radiator is axially pegged graft and is fixed in this shell, has two wings of a base and base both sides; The top of this wing cooperates respectively this two limiting sections; This base is matched with the inwall of this shell;

One light source board is axially pegged graft and is fixed in this base, and this light source board top is fixed with the led light source of linear array; Wherein, the medial surface of described two wings is with respect to this led light source left-right symmetry and have reflective surface; And this base is recess with respect to both wings, and is positioned at the position near this outer casing inner wall bottom surface.

Preferred person as the technical program, can realize in the following manner:

In the preferred embodiment, this limiting section is the interior raised line that protrudes from this outer casing inner wall, and raised line extends axially along this shell in this.

In the preferred embodiment, these two wings are matched with the homonymy of raised line in this, and the base of this radiator has the claw that is matched with a slide rail on this shell; This slide rail extends axially along this shell.

In the preferred embodiment, these two wing tops have with this enclosure axis in the same way installing hole near this outer casing inner wall place.

In the preferred embodiment, have a draw-in groove on this base, this light source board is pegged graft and is matched with in this draw-in groove.

In the preferred embodiment, this shell is the light-permeable form, and for making the astigmatic face that light heat radiation appears in it.

In the preferred embodiment, the limiting section of the both wings of this radiator and base, this outer casing inner wall and the claw of radiator, and the track of this outer casing inner wall all is symmetrical arranged with respect to the light-emitting axis of this led light source.

In the preferred embodiment, this radiator form that technique is extruded that is formed in one.

The beneficial effect that the utility model brings is:

1. not only make the base can be near inwall with the wing of reflective surface, make led light source have enough distances with respect to exiting surface, and reflective surface can just carry out optically focused in the enclosure to the light output of led light source, the part light that LED light source is got on it is exported through outer cover, make exiting surface more even when guaranteeing light output efficiency, its effect is closer to traditional long tube type fluorescent lamp.

2. both wings are matched with the homonymy of raised line in this, and the base of this radiator has the claw that is matched with a slide rail on this shell; This slide rail extends axially along this shell.Like this form, radiator can be from axially pegging graft and be fixed in the shell reliably, the constraint space that is particularly formed by limiting section, slide rail, and the phenomenons such as lift-over, skew can not occur in the enclosure.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing embodiment:

Fig. 1 is the profile of the utility model one embodiment;

Fig. 2 is schematic perspective view embodiment illustrated in fig. 1.

The specific embodiment

As depicted in figs. 1 and 2, the schematic diagram of the utility model one embodiment: a kind of LED lamp tube structure with reflective surface:

Shell 10 is the elongate tubular of imitative traditional long-tube fluorescent lamp, and the present embodiment adopts the injection mo(u)lding of PC material, and is provided with existing astigmatic particle/astigmatic agent in the material of this shell 10, makes its light output become soft, spread.Shell 10 its inwalls have two symmetrical limiting sections 11; Radiator 20, the person of being formed in one axially pegs graft and is fixed in this shell 10, has two wings 21 of a base 26 and base 26 both sides; The top of this wing 21 cooperates respectively two limiting sections 11; This base 26 is matched with the inwall of this shell 10; Light source board 30 axial (in the drawings perpendicular to paper) is pegged graft and is fixed in this base 26, and the top of this light source board 30 is fixed with the led light source 31 of linear array; Wherein, the medial surface 22 of two wings 21 is with respect to this led light source left-right symmetry and have reflective surface.

From then on structure as seen, not only make the base 26 can be near the inwall bottom surface with the wing 21 of reflective surface 22, make led light source 31 have enough distances with respect to exiting surface 15, and reflective surface 22 can just carry out optically focused to the light output of led light source 31 in shell 10, thereby make exiting surface 15 more even, its effect is closer to traditional long tube type fluorescent lamp.Reflective surface 22 can be directly when radiator 20 is extruded with regard to moulding, also can subsequent treatment---be shaped to minute surface or frosting.

In the present embodiment, limiting section 11 is for protruding from the interior raised line of these shell 10 inwalls, and raised line extends axially along this shell in this, and limiting section 11 consumptive materials of this form are few, and extrusion molding is convenient; These two wings 21 are matched with the homonymy of raised line in this, and the base 26 of this radiator 20 has the claw that is matched with a slide rail 12 on this shell; This slide rail 12 extends axially along this shell.Like this form, radiator 20 can be from axially pegging graft and be fixed in the shell 10 reliably, the constraint space that is particularly formed by limiting section 11, slide rail 12, and can be in phenomenons such as shell 10 interior generation lift-over, skews.And the shell 10 of the present embodiment is at the part printing opacity of limiting section more than 11, and the part of limiting section below 11 light-permeable not.

Have and this shell 10 axial installing holes 23 in the same way at the inwall place of close this shell 10 in the top of two wings 21, this installing hole is convenient to lamp holder or other succeeding components at mounting casing 10 two ends.Have a draw-in groove 25 at base 26, this draw-in groove 25 is used for fixed light source plate 30. actual installation, and light source board 30 is axially pegged graft and is matched with in this draw-in groove 25, good fixing effect, and 20 heat conduction condition is also better from light source board 30 to radiator.Further, the surperficial extension 22 ' that draw-in groove 25 links to each other with reflective surface 22 also has reflective structure equally with the face of giving out light, and for example the effect of minute surface or frosting so can obtain led light source 31 better spotlight effects.

In the present embodiment, the limiting section 11 of the both wings 21 of this radiator 20 and base 26, these shell 10 inwalls and the claw 24 of radiator 20, and the track 12 of these shell 10 inwalls all is symmetrical arranged with respect to the light-emitting axis x of this led light source 31, and this form has been imitated the illumination effect of traditional long tube type fluorescent lighting fixture to greatest extent.

The above, it only is the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of namely doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.

Claims

1. LED lamp tube structure with reflective surface is characterized in that: comprising:

2. described a kind of LED lamp tube structure with reflective surface according to claim 1, it is characterized in that: this limiting section is the interior raised line that protrudes from this outer casing inner wall, raised line extends axially along this shell in this.

3. described a kind of LED lamp tube structure with reflective surface according to claim 2, it is characterized in that: these two wings are matched with the homonymy of raised line in this, and the base of this radiator has the claw that is matched with a slide rail on this shell; This slide rail extends axially along this shell.

4. it is characterized in that according to claim 1 or 1 or 3 described a kind of LED lamp tube structures with reflective surface: these two wing tops have with this enclosure axis in the same way installing hole near this outer casing inner wall place.

5. according to claim 1 and 2 or 3 described a kind of LED lamp tube structures with reflective surface, it is characterized in that: have a draw-in groove on this base, this light source board is pegged graft and is matched with in this draw-in groove.

6. according to claim 1 and 2 or 3 described a kind of LED lamp tube structures with reflective surface, it is characterized in that: this shell is the light-permeable form, and for can make the astigmatic face that light appears in it.

7. according to claim 1 and 2 or 3 described a kind of LED lamp tube structures with reflective surface, it is characterized in that: the limiting section of the both wings of this radiator and base, this outer casing inner wall and the claw of radiator, and the track of this outer casing inner wall all is symmetrical arranged with respect to the light-emitting axis of this led light source.

8. described a kind of LED lamp tube structure with reflective surface according to claim 5 is characterized in that: this radiator form that technique is extruded that is formed in one.

9. described a kind of LED lamp tube structure with reflective surface according to claim 5, it is characterized in that: the surface that this draw-in groove is connected with described reflective surface and described reflective surface are same reflecting surface structure.