CN202549212U - LED (Light Emitting Diode) lamp box and LED lamp - Google Patents

Abstract

The utility model discloses an LED (Light Emitting Diode) lamp box and LED lamp, wherein an LED light source is arranged on each side wall of a box body, and a lens is arranged on the front surface of the LED light source and can change a light path of the LED light source such that an LED dot light source becomes a surface light source; therefore, the LED lamp box can obtain the high-luminous-efficiency, high-uniformity lighting effect by utilizing the lens so as to improve the utilization rate of the LED light source and be suitable for high-brightness application locations. Furthermore, compared with the traditional LED advertisement lamp box utilizing a marginal ray technology, the LED lamp box disclosed by the utility model changes the light path of the LED light source without utilizing a light guiding plate so that the size of the LED lamp box can be designed according to the demands of a user, and the LED lamp box is not limited in the small size again and is of a simple structure and various shapes; and in addition, the LED lamp box disclosed by the utility model does not need the light guiding plate so as to be suitable for locations with higher inflaming retarding requirements. The LED lamp disclosed by the utility model has the characteristics of uniform light rays and high luminous efficiency.

Description

A kind of LED lamp box and LED light fixture

Technical field

The application relates to the LED lighting technical field, particularly relates to a kind of LED lamp box and LED light fixture.

Background technology

Along with the high speed development of LED (Light Emitting Diode, light emitting diode) technology, led light source is applied in the product of illumination, advertising sector, such as: LED light fixture, the illuminated advertising lamp box of LED.

The light efficiency of existing LED light fixture is lower, and the light uniformity coefficient is relatively poor;

Existing a kind of LED advertising lamp box, application of LEDs marginal ray technology is concrete; Led light source is installed in the both sides of LGP; The irradiate light that led light source sends is to said LGP the time, changes the light path of led light source by LGP, utilizes the refraction principle of light; Pointolite is become area source, thereby the surface of advertising lamp box is illuminated.But this kind LED advertising lamp box is owing to adopted LGP, and the utilization factor that its led light source emits beam is very low; Be merely 50%～60%, therefore, this kind adopts marginal ray LED not to be suitable for the application scenario of high brightness; And; Owing to adopted LGP, make that the size of LED advertising lamp box is limited to, only be applicable to undersized advertising lamp box.

The utility model content

For solving the problems of the technologies described above, the application embodiment provides a kind of LED lamp box and LED light fixture, and is lower with the light source utilization factor that solves existing LED advertising lamp box, and the bigger technical matters of size limitations, and technical scheme is following:

The application provides a kind of LED lamp box, comprising: casing and led light source, wherein:

Said casing comprises the one side of printing opacity at least;

Said led light source is arranged on the sidewall of said casing, and this led light source is provided with the lens that are used to change said led light source light path.

Preferably, also comprise: be electrically connected with said led light source, and the constant-current drive circuit of constant-current driving electric current be provided for said led light source.

Preferably, the framework of said casing is a hollow-core construction.

The application also provides a kind of LED light fixture, comprising: led light source and be arranged on the peripheral lampshade of said led light source, wherein:

Said led light source comprises: LED lamp pearl, and be arranged on the said LED lamp pearl, and being positioned at the lens in this LED lamp pearl dead ahead, these lens are used to change the light path of said LED lamp pearl.

Technical scheme by above the application embodiment provides is visible, and said LED lamp box is provided with led light source on the sidewall of casing; And the led light source front is provided with lens; These lens can change the light path of led light source, make the LED pointolite become area source, adopt said lens can access the illuminating effect of high light efficiency, high evenness; Thereby improved the utilization factor of led light source, be applicable to the application scenario of high brightness.And, compare with the LED advertising lamp box of existing employing marginal ray technology, owing to need not to adopt LGP to change the light path of led light source; Therefore, the size of LED lamp box can no longer be confined to undersized lamp box according to the design of user's needs; And simple in structure, the shape variation, in addition; Owing to need not LGP, be applicable to fire-retardant occasion of having relatively high expectations.The ED light fixture that the application provides has the advantages that light is even, light efficiency is high.

Description of drawings

In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of a kind of LED lamp box of the application embodiment;

Fig. 2 is the structural representation of a kind of led light source of the application embodiment;

Fig. 3 is the structural representation of a kind of single face LED of the application embodiment lamp box;

Fig. 4 is the structural representation of a kind of LED light fixture of the application embodiment.

Embodiment

In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.

See also Fig. 1, show the structural representation of a kind of LED lamp box that the application embodiment provides.

Said LED lamp box comprises: casing 1, led light source 3, wherein:

Said casing 1 comprises the one side of can printing opacity showing picture at least, and the two sides of this casing 1 is designed to be able to printing opacity and shows picture, then obtains the dual surface LED lamp box, can show picture by printing opacity as one side is only arranged, and then obtains the single face lamp box.

Saidly can printing opacity showing picture, can be open design, can also be to be provided with light-passing board at this face, and the application embodiment is that example describes with the latter.Said light-passing board can adopt can transmitted light material process, the application does not limit this.

As shown in Figure 1, led light source 2 is arranged on two sidewalls that are parallel to each other on the said casing 1, and this led light source 2 comprises LED lamp pearl 21 and the lens 22 that are arranged on said LED lamp pearl 21 dead aheads.These lens can change the light path that led light source 2 emits beam, and make pointolite become curved surface light source, thereby obtain the illuminating effect of high light efficiency, high evenness in the one side that is provided with light-passing board 3.

Need to prove that according to the requirement of application scenario to the brightness of LED lamp box, can on a sidewall of said casing 1, two sidewalls or four sidewalls, said led light source 2 be installed, the application does not limit this.

The LED lamp box that the application embodiment provides; The sidewall of casing is provided with led light source, and the led light source front is provided with lens, and these lens can change the light path of led light source; Make the LED pointolite become area source; Adopt said lens can access the illuminating effect of high light efficiency, high evenness, thereby improved the utilization factor of led light source, be applicable to the application scenario of high brightness.And, compare with the LED advertising lamp box of existing employing marginal ray technology, owing to need not to adopt LGP to change the light path of led light source; Therefore, the size of LED lamp box can no longer be confined to undersized lamp box according to the design of user's needs; And the LED lamp box that the application embodiment provides is not owing to receive the influence of LGP; Make the simple in structure of lamp box, the shape variation.

See also Fig. 2, show the structural representation of led light source, wherein each led light source comprises LED lamp pearl 21 and the lens 22 that are arranged on LED lamp pearl 21 dead aheads.Thereby a plurality of led light sources are successively set on pcb board obtain LED lamp bar, the length of LED lamp bar can confirm as required, and is concrete, the length of the LED lamp rule that can confirm to use according to the size of LED lamp box.

LED lamp bar is connected with constant-current drive circuit 4, and this constant-current drive circuit 4 can provide constant drive current for all led light sources on the said LED lamp bar, thereby guarantees the led light source steady operation.And this constant-current drive circuit 4 can also be integrated on PCB (Printed Circuit Board, the printing printed circuit board (PCB)) plate of said LED lamp bar.

The LED lamp box that the foregoing description provides embeds the backboard of reflective material on the one side in the maximum two sides of the area of casing, obtain single face LED lamp box.

See also Fig. 3, show a kind of structural representation of single face LED lamp box, different is with the corresponding LED lamp box of Fig. 1; The one side maximum at the area of casing 1 is provided with lighttight backboard 11; Be provided with transparent panel 3 with backboard 11 parallel one sides, two sidewalls that are parallel to each other of casing 1 are provided with led light source 2, and led light source 2 comprises lens; These lens can change the light path of led light source, make the LED pointolite become curved surface light source.

The single face LED lamp box that present embodiment provides is compared with existing lamp tube type LED lamp box, and the thickness of this LED lamp box can narrow down to 6cm, thereby has reduced the thickness of single face LED lamp box greatly, transports more convenient.

Preferably, the LED lamp box that above-mentioned all embodiment provide, the framework in the said casing is a hollow-core construction, thereby makes that the weight of LED lamp box is lighter, has reduced cost.

The application embodiment also provides a kind of LED light fixture, sees also Fig. 4, shows the structural representation of LED light fixture; The led light source that comprises as shown in the figure; And the lampshade 103 that is used to protect this led light source, said led light source comprises LED lamp pearl 101 and the lens 102 that are arranged on said LED lamp pearl dead ahead, these lens can change the light path of said LED lamp pearl; Make pointolite become curved surface light source, thereby obtain that light is even, the LED light fixture of high light efficiency.

The LED light fixture that present embodiment provides utilizes to be arranged on the preceding lens change light path of LED lamp pearl, makes pointolite become area source, makes that the light of this LED light fixture is even, has improved the light efficiency of LED light fixture, has reduced the energy consumption of LED light fixture.And, because the volume of lens is less, thereby reduced the volume of this LED light fixture, in light weight, saving material, and convenient transportation.

Need to prove, also can the LED light fixture that present embodiment provides be fixed in the casing that the foregoing description provides, obtain the LED lamp box.

The above only is the application's a embodiment; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the application's protection domain.

Claims (4)

1. a LED lamp box is characterized in that, comprising: casing and led light source, wherein:

Said casing comprises the one side of printing opacity at least;

Said led light source is arranged on the sidewall of said casing, and this led light source is provided with the lens that are used to change said led light source light path.

2. LED lamp box according to claim 1 is characterized in that, also comprises: be electrically connected with said led light source, and for said led light source the constant-current drive circuit of constant-current driving electric current be provided.

3. LED lamp box according to claim 1 is characterized in that, the framework of said casing is a hollow-core construction.

4. a LED light fixture is characterized in that, comprising: led light source and be arranged on the peripheral lampshade of said led light source, wherein:

Said led light source comprises: LED lamp pearl, and be arranged on the said LED lamp pearl, and being positioned at the lens in this LED lamp pearl dead ahead, these lens are used to change the light path of said LED lamp pearl.

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