CN105333332A - led light - Google Patents

Abstract

An LED lamp comprises a lamp holder body, an LED light source board and a bulb shell, wherein the LED light source board is substantially vertically arranged on the top of the lamp holder body, the bulb shell is arranged on the lamp holder body, at least one LED light source is arranged on the front and back of the LED light source board respectively, the bulb shell is arranged corresponding to the LED light source on the LED light source board, and the bulb shell is used to expand the light-emitting angle of the LED light source. The LED lamp of the present invention has the advantage of a large light-emitting angle.

Description

led light

technical field

The invention relates to the lighting field, in particular to an LED lamp.

Background technique

At present, with the maturity of LED chip manufacturing and packaging technology, the cost of LED components has been greatly reduced, and LEDs have been used more and more widely. In the field of LED lighting, the advantages of energy saving and long life of LED have been fully reflected, so many LED lights have emerged on the market.

However, due to the strong directionality of the light emitted by the LED chip, the existing LED lights on the market often have the problem of a small light angle, which cannot achieve the same lighting effect as traditional lamps such as incandescent lamps, making the promotion and use of LED lights restricted. Therefore, solving the problem of the small light-emitting angle of the LED lamp has become a difficult problem that needs to be solved urgently at present.

Contents of the invention

In view of this, it is necessary to provide an LED lamp with a large luminous angle.

An LED lamp, comprising a lamp body, an LED light source board and a bulb housing, the LED light source board is arranged approximately vertically on the top of the lamp body, the bulb housing is arranged on the lamp body, the front and back of the LED light source board are At least one LED light source is provided respectively, and the bulb shell is arranged corresponding to the LED light sources on the LED light source board, and the bulb shell is used to expand the light emitting angle of these LED light sources.

Compared with the prior art, the LED light can effectively expand the light-emitting angle of the LED light by arranging LED light sources on the front and back of the LED light source board, and using the bulb shell to diffuse the light emitted by the LED light sources, so that the LED light The luminous angle reaches more than 300°, which has the advantage of large luminous angle.

Description of drawings

Fig. 1 is an assembly diagram of the LED lamp of the first embodiment.

Fig. 2 is an exploded view of the LED lamp shown in Fig. 1 .

Fig. 3 is an assembly diagram of the LED lamp of the second embodiment.

Fig. 4 is an exploded view of the LED lamp shown in Fig. 3 .

Explanation of reference signs:

10 lamp head body 32 right bulb

20 LED light source board 321 second bonding part

21 LED light source 322 Second bulb part

22 Horizontal light source board 10a lamp head body

221 electrode 20a LED light source board

23 hole 22a vertical light source board

231 welding slot 222a electrical connection terminal

30 Bulb shell 23a opening

31 left bulb 312a first bulb part

311 the first bonding part 322a the second bulb part

312 The first bulb part

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 to FIG. 2 for the LED lamp 100 of the first embodiment of the present invention.

Please refer to Fig. 1 to Fig. 2, the LED lamp includes a lamp base body 10, an LED light source board 20 and a bulb shell 30, the LED light source board 20 is arranged approximately vertically on the top of the lamp base body 10 (as shown in Fig. 2 ), the light bulb The shell cover 30 is arranged on the lamp head body 10, and at least one LED light source 21 is respectively arranged on the front and the back of the LED light source board 20. The bulb shell 30 is set corresponding to the LED light source 21 on the LED light source board 20. A cover 30 is arranged around these LED light sources 21 , and the bulb shell 30 is used to expand the light emitting angle of these LED light sources 21 .

Please refer to Fig. 2, the bulb shell 30 includes a left bulb 31 and a right bulb 32, the left bulb 31 includes a first fitting part 311 and a first bulb part 312, the first bulb part 312 is integrally arranged on The middle portion of the first bonding portion 311 . The right bulb 32 includes a second bonding portion 321 and a second bulb portion 322 , and the second bulb portion 322 is integrally disposed in the middle of the second bonding portion 321 . Both the size of the first bulb part 312 and the second bulb part 322 are smaller than the size of the LED light source board 20 . The first bulb part 312 and the second bulb part 322 are used to expand the light emitting angle of these LED light sources 21, and the first bonding part 311 and the second bonding part 321 are respectively connected to the front surface and back connection. Both the first bulb portion 312 and the second bulb portion 322 are made of transparent or translucent plastic material. The first bonding portion 311 and the second bonding portion 321 are thermally connected to the front and back sides of the LED light source board 20 respectively, so that the heat generated on the LED light source board 20 can be well transferred to the bulb housing 30, through The bulb case 30 dissipates the heat generated on the LED light source board 20 to the outside space in time, which can effectively protect the lifespan of these LED light sources 21 . Edges of the first bonding portion 311 and the second bonding portion 321 are ultrasonically welded together to clamp the LED light source board 20 .

Please refer to FIG. 2 , the LED light source board 20 also includes a horizontal light source board 22 , the middle part of the LED light source board 20 is provided with an opening 23 , and the horizontal light source board 22 is fixed in the opening 23 and arranged approximately parallel to the lamp body 10 . The lateral light source plate 22 is provided with an LED light source 21 on the side away from the lamp body 10 , and the lateral light source plate 22 is also provided with an LED light source 21 on the side close to the lamp body 10 . The inner wall of the opening 23 is provided with two welding grooves 231 corresponding to the horizontal light source board 22, and the horizontal light source board 22 is respectively provided with two electrodes 221 (not shown in FIG. 2 ) corresponding to the two welding grooves 231. The electrodes 221 of the board 22 are respectively welded in the welding grooves 231 to electrically connect the horizontal light source board 22 and the LED light source board 20 . Overall, the LED light source board 20 and the horizontal light source board 22 form a cross plane.

In summary, the LED light can effectively expand the light-emitting angle of the LED light by arranging LED light sources on the front and back of the LED light source board 20, and using the bulb shell to diffuse the light emitted by these LED light sources, so that the LED light can emit light The angle reaches more than 300°, which has the advantage of a large light-emitting angle. The LED lamp 100 of the present invention is provided with an LED light source board 20 and a horizontal light source board 22 that are mutually cross-shaped as a whole. , 322 play a role in expanding the light emitting angle of these LED light sources 21, so that the LED lamp 100 has the advantage of a large light emitting angle.

Please refer to Fig. 3 and Fig. 4, Fig. 3 depicts the assembly drawing of the LED lamp 100a of the second embodiment of the present invention, Fig. 4 depicts the exploded view of the LED lamp 100a of the second embodiment of the present invention, the main The structure is the same as that of the first embodiment. The difference is that the LED light source board 20a does not include the horizontal light source board 22, but includes the vertical light source board 22a. The vertical light source board 22a is fixed in the opening 23a and arranged substantially perpendicular to the lamp head body 10a, and the vertical light source board 22a is also arranged substantially perpendicular to the LED light source board 20a. Both the front and the back of the vertical light source board 22a are provided with LED light sources 21 . The bulb shell 31a includes a bulb shell portion 312a and a bonding portion 311a, the bulb shell portion 312a is connected to the middle of the bonding portion 311a, and the bonding portion 311a is connected to the LED light source board 20a and the vertical light source plate 22a respectively. Edge thermal connection. The bulb part 312a is arranged corresponding to the LED light source 21 arranged on the LED light source board 20a and the vertical light source board 22a, and the bulb part 312a simultaneously covers the LED light source board 20a and the LED light source on the vertical light source board 22a twenty one. The bulb portion 312a is used to expand the distribution angle of the light emitted by the LED light sources 21 . The LED light source board 20a also includes an electrical connection terminal 24, the vertical light source board 22a is provided with an electrode terminal 221, and one end of the electrical connection terminal 24 is fixed on the LED light source board 20a at a position close to the opening 23a. The other end of the connection terminal 24 elastically abuts against the electrode end 221 on the vertical light source board 22a. In this embodiment, LED light sources 21 are respectively provided on the front and back of the vertical light source board 22a, and the bulb portion 312a covering the LED light source 21 on the vertical light source board 22a and the LED light source board 20a at the same time is provided, The LED lamp 100a can effectively expand the light emitting angle and make the light distribution uniform.

It can be understood that, depending on the actual situation, in other embodiments, the first bonding portion 311 and the second bonding portion 321 of the bulb housing 30 can also be removed; that is, in such an embodiment, the bulb housing 30 includes a first bulb part 312 and a second bulb part 322, the size of the first bulb part 312 and the second bulb part 322 are smaller than the size of the LED light source board 20, the first bulb part 312 It is arranged on the front side of the LED light source board 20, and the second bulb part 322 is arranged on the back side of the LED light source board 20. The first bulb part 312 and the second bulb part 322 are used to expand the LED light source 21. Beam angle.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (11)

1. An LED lamp, comprising a lamp body, an LED light source board and a bulb housing, the LED light source board is substantially vertically arranged on the top of the lamp body, the bulb housing is arranged on the lamp body, it is characterized in that the LED light source At least one LED light source is respectively arranged on the front and the back of the board, and the bulb shell is arranged corresponding to the LED light source on the LED light source board, and the bulb shell is used to expand the light-emitting angle of the LED light source. 2. The LED lamp according to claim 1, characterized in that: the bulb shell comprises a first bulb part and a second bulb part, and the dimensions of the first bulb part and the second bulb part are smaller than the size of the bulb part. The size of the LED light source board, the first bulb part is arranged on the front of the LED light source board, the second bulb part is arranged on the back of the LED light source board, the first bulb part and the second bulb part are used To expand the light emitting angle of the LED light source. 3. The LED lamp according to claim 1, characterized in that: the bulb shell includes a left bulb and a right bulb, the left bulb includes a first bonding portion and a first bulb portion, and the first bulb part is arranged in the middle of the first fitting part, the right bulb includes a second fitting part and a second bulb part, the second bulb part is arranged in the middle of the second fitting part, the first bulb The size of the shell part and the second bulb part is smaller than the size of the LED light source board, the first bulb part and the second bulb part are used to expand the light-emitting angle of the LED light source, and the first bonding part and the second bonding part are respectively connected to the front and back of the LED light source board. 4. The LED lamp according to claim 3, characterized in that: the first bonding part and the second bonding part are respectively thermally connected to the front and the back of the LED light source board. 5 . The LED lamp according to claim 3 , wherein the edges of the first bonding portion and the second bonding portion are ultrasonically welded together to clamp the LED light source board. 6. The LED lamp according to claim 1, further comprising a horizontal light source board, an opening is arranged in the middle of the LED light source board, and the horizontal light source board is fixed in the opening and arranged roughly parallel to the lamp head body , the lateral light source board is provided with an LED light source facing the side away from the lamp head body. 7. The LED lamp according to claim 6, characterized in that: the inner wall of the opening is provided with two welding grooves corresponding to the horizontal light source board, and the horizontal light source board is respectively provided with two electrodes corresponding to the two welding grooves The electrodes of the horizontal light source board are respectively welded in the welding grooves to electrically connect the horizontal light source board and the LED light source board. 8 . The LED lamp according to claim 7 , wherein an LED light source is provided on a side of the lateral light source plate facing the lamp head body. 9 . 9. The LED lamp according to claim 1, further comprising a vertical light source board, the vertical light source board is fixed in the opening and arranged approximately perpendicular to the lamp body, the vertical light source board is roughly in line with The LED light source board is arranged vertically, and the front and back of the vertical light source board are provided with LED light sources. 10. The LED lamp according to claim 9, characterized in that: the bulb shell comprises a bulb part and a bonding part, the bulb part is connected to the middle part of the bonding part, and the bonding part is connected to the bonding part respectively. The edges of the LED light source board and the vertical light source board are thermally connected, and the bulb shell part is arranged corresponding to the LED light source on the LED light source board and the vertical light source board, and the bulb shell part is used to expand the LED light source The distribution angle of the emitted rays. 11. The LED lamp according to claim 9, characterized in that: the LED light source board also includes an electrical connection terminal, the vertical light source board is provided with an electrode end, and one end of the electrical connection terminal is fixed on the LED light source board close to At the position of the opening, the other end of the electrical connection terminal elastically abuts against the electrode end of the vertical light source board.