CN201277466Y

CN201277466Y - Colorful LED neon light

Info

Publication number: CN201277466Y
Application number: CNU2008201468127U
Authority: CN
Inventors: 安茂领
Original assignee: SHENZHEN ILLUSION LED Ltd
Current assignee: Shenzhen Illusion LED Technology Co., Ltd.
Priority date: 2008-08-22
Filing date: 2008-08-22
Publication date: 2009-07-22
Anticipated expiration: 2018-08-22

Abstract

The utility model discloses a colorful LED neon tube, which aims at solving the defect that an existing LED neon tube can not change the color. The colorful LED neon tube comprises a flexible circuit board with an arbitrary length, wherein wire interfaces are arranged on the circuit board at interval with the appropriate length, a plurality of LED lamps are arranged between two wire interfaces, a flexible slot is sleeved outside the circuit board, the colorful LED neon tube is characterized by further comprising a plastic sleeve, wherein a groove whose outer shape is consistent with the flexible slot is arranged on the middle portion of the section of the plastic sleeve, and the flexible slot is inserted into the groove, the LED lamps arranged between the two wire interfaces are three, which respectively are a red LED lamp, a green LED lamp and a blue LED lamp, a circuit in the circuit board comprises a power supply circuit, a RGB light-bar circuit of the LED lamps, a RGB driving circuit of the LED lamp and an MCU whose color can be changed. The neon tube can be suitable for the decoration of a building.

Description

Colorful LED neon tube

Technical field

The utility model relates to a kind of ornament materials that possesses illumination or luminous effect, the ornamental strip that possesses illumination or luminous effect that the especially a kind of LED of utilization lamp is made.

Background technology

The design people has formerly applied for a utility model patent, and its name is called " flexible water-proof LED light-emitting section ", and the patent No. is ZL20072011937.6, and notification number is CN201069069Y.It comprises circuit and conductor interface on circuit substrate, the circuit substrate, comprise LED and resistance in the circuit, wherein circuit substrate is the flexible circuit board of a random length, also be set with a flexible draw-in groove in the outside of flexible circuit board, flexible draw-in groove contains a cavity, circuit substrate is contained in the cavity of this flexibility draw-in groove, and remaining space is the resin of encapsulation; Said conductor interface is provided with the couple of conductor interface every suitable length.This light-emitting section has solved the problem of waterproof and cutting that can random length, is a kind of good ornament materials.But this light-emitting section exists following deficiency: 1, its luminous color is monochromatic, and tone is single, and decorative effect is relatively poor; 2, the operation of its potting resin trouble, the unified and standard of difficult quality.

Summary of the invention

The purpose of this utility model is to overcome the deficiency that above prior art exists, and a kind of LED neon tube bar that can seven color conversions is provided, and its processing technology is simple, and quality is unified standard.

In order to realize above-mentioned purpose, can adopt following technical scheme: this programme the same with prior art, the flexible PCB that comprises a random length is provided with a conductor interface every suitable length on the circuit board, and a plurality of LED lamps are set between two conductor interfaces; Be set with a flexible draw-in groove in the outside of this circuit board,, its improvement is also to comprise: a plastic casing-pipe, the middle part of this plastic casing-pipe cross section be provided with one with the identical groove of flexible draw-in groove gabarit shape, and flexible draw-in groove is inserted in this groove;

The LED lamp that is provided with between said two conductor interfaces is 3, and they are respectively red, green and blue LED lamp;

Circuit in the said circuit board comprises the RGB drive circuit of rgb light bar circuit, LED lamp of power circuit, LED lamp and MCU that can turn colors.The preferred AT89552 of the model of this MCU.

The beneficial effects of the utility model are:

1, LED neon tube of the present utility model can the various color of conversion, and decorative effect coin monochrome is improved greatly;

2, LED neon tube of the present utility model does not need to use resin-encapsulated, and only needs plug-in mounting to get final product, thereby has simplified technology, has guaranteed the standard and the unification of quality.

In order to make the utility model be convenient to understand, it is described further below by drawings and Examples with more clear.

Description of drawings

Fig. 1 is the structural upright schematic diagram of embodiment of the present utility model.

Fig. 2 is the enlarged diagram of the cross section of Fig. 1.

Fig. 3 is the cross sectional representation of the flexible draw-in groove among Fig. 2.

Fig. 4 is the structural representation of the flexible PCB among Fig. 1.

Fig. 5 be embodiment of the present utility model circuit diagram.

The specific embodiment

Embodiment 1, referring to Fig. 1-Fig. 4.The LED neon tube of present embodiment comprises the flexible PCB 2 of a random length, is provided with a conductor interface 5 every suitable length on the circuit board 2, and each conductor interface 5 place is provided with one respectively and cuts off line; 3 LED lamps 4 are set between two conductor interfaces 5, and they are respectively red, green and blue LED lamp; Be set with a flexible draw-in groove 3 in the outside of this circuit board 2; Also have a plastic casing-pipe 1, the middle part of this plastic casing-pipe 1 cross section be provided with one with the identical groove of flexible draw-in groove 3 gabarit shapes, flexible draw-in groove 3 then is inserted in this groove.

Referring to Fig. 3.The cross section of flexible draw-in groove can be designed as: it comprises a rectangular channel 31, the width of this rectangular channel 31 is B, highly be F, be provided with the projection 32 of 3 rectangles in the bottom of this rectangular channel 31, the height of this projection 32 is E, the spacing that adjacent two projectioies are 32 equals or is slightly larger than the diameter of lead 5, and the thickness D=F-E of circuit board 2; Said circuit board 2 is inserted in the slit between projection 32 and rectangular channel 31 end faces (referring to Fig. 2), and LED lamp 4 is contained in the middle part of the upper surface of

circuit board

2, and 4 connect leads 5 and are contained in respectively in protruding 32 the side shallow slot.

Connect in the leads 5 at above-mentioned 4 and also to be respectively arranged with a plurality of contact pins 6, in the vertical insertion lead 5 of this contact pin 6, its insertion end is stretched out lead 5 and is inserted in the jack that presets on the circuit board 2, can make arrangements of conductors in order and neat like this.

Referring to Fig. 2.The shape of plastic casing-pipe 1 cross section can be designed as: top is a semicircle 11, be that a base is greater than trapezoidal 13 of this semicircle diameter below, the shape that middle both sides couple together with concave arc 12 slynesses respectively, the groove of the flexible draw-in groove 3 of plug-in mounting is positioned at the central authorities of the arc sections 12 of this plastic casing-pipe 1 cross section.

Referring to Fig. 5.Circuit in the foregoing circuit plate 2 comprises the RGB drive circuit 23 of rgb light bar circuit 22, LED lamp of power circuit 21, LED lamp and MCU24 that can turn colors, the preferred AT89552 of the model of MCU.Wherein, power circuit 21 provides dc source for entire circuit; The LED lamp parallel circuit that comprises 3 parallel connections in the rgb light bar circuit 22 of LED lamp comprises in each parallel circuit that the LED lamp of a plurality of series connection, the LED lamp in each parallel circuit are respectively red, green and blue LED lamp.The RGB drive circuit 23 of LED lamp is the category of prior art, repeats no more.MCU24 is according to the colour switching of each LED lamp of programme-control of software.

Only be the preferred embodiment of the utility model below, but it does not limit practical range of the present utility model, the equivalent variations and the modification that promptly do not depart from claim of the present utility model and done must belong to the protection domain of the utility model.

Claims

1, a kind of colorful LED neon tube comprises a flexible PCB, is provided with a conductor interface every suitable length on the circuit board, is provided with a plurality of LED lamps between two conductor interfaces; Be set with a flexible draw-in groove in the outside of this circuit board, it is characterized in that:

Also have a plastic casing-pipe, the middle part of this plastic casing-pipe cross section be provided with one with the identical groove of flexible draw-in groove gabarit shape, and flexible draw-in groove is inserted in this groove;

Circuit in the said circuit board comprises the RGB drive circuit of rgb light bar circuit, LED lamp of power circuit, LED lamp and MCU that can turn colors.

2, colorful LED neon tube according to claim 1, the model that it is characterized in that said MCU is AT89552.

3, colorful LED neon tube according to claim 1 and 2, the cross section that it is characterized in that said flexible draw-in groove comprises a rectangular channel, the width of this rectangular channel is B, highly be F, be provided with the projection of 3 rectangles in the bottom of this rectangular channel, this protruding height is E, and the spacing between adjacent two projectioies equals or be slightly larger than the diameter of lead, and the thickness D=F-E of circuit board; Said circuit board is inserted in the slit between projection and the rectangular channel end face, and the LED lamp is contained in the middle part of the upper surface of circuit board, and 4 connect leads and are contained in respectively in the protruding side shallow slot.

4, colorful LED neon tube according to claim 3 is characterized in that connecting in the leads at said 4 and also is respectively arranged with a plurality of contact pins, and in the vertical insertion lead of this contact pin, its insertion end is stretched out lead and is inserted in the jack that presets on the circuit board.

5, colorful LED neon tube according to claim 4, the shape that it is characterized in that said plastic casing-pipe cross section is: top is a semicircle, what be a base below greater than this semicircle diameter is trapezoidal, the shape that middle both sides couple together with a concave arc slyness respectively; Said flexible draw-in groove is positioned at the central authorities of the arc sections of this plastic casing-pipe cross section.

6, colorful LED neon tube according to claim 5 is characterized in that being provided with one respectively at said each conductor interface place cuts off line.