CN201218434Y

CN201218434Y - Flexible light tube

Info

Publication number: CN201218434Y
Application number: CNU2008200802731U
Authority: CN
Inventors: 商松
Original assignee: Beijing Zhongqing Micro Digital Equipment Development Co Ltd
Current assignee: Beijing Zhongqing Micro Digital Equipment Development Co Ltd
Priority date: 2008-04-29
Filing date: 2008-04-29
Publication date: 2009-04-08
Anticipated expiration: 2018-04-29

Abstract

The utility model discloses a flexible lamp which comprises a plurality of display units. Each display unit comprises a PCB board, and the PCB board is provided with an LED light-emitting unit and a drive and control chip which controls the LED light-emitting unit to emit lights. The drive and control chip inputs control signals by a signal control line, and directly drives as well as controls the LED light-emitting unit on the PCB board to emit the lights; a plurality of display units are connected in series by a signal control line, a power anode line and a power cathode line; and a plurality of display units are embedded in a lamp tube body. By adopting the single line transmission technology, the utility model has simple lines, stable signal transmission, compact and light structure of the whole lamp and convenient installation; the PCB board can adopt a flexible PCB board, and also can adopt a rigid PCB board. When a lamp tube which adopts the rigid PCB board is flexibly connected with the adjacent PCB board, the effect of the flexible lamp can be achieved.

Description

A kind of flexible strip lamp

Technical field

The utility model relates to a kind of lighting device, particularly relates to a kind of LED flexible strip lamp.

Technical background

At present, the LED fluorescent tube has been widely used in occasions such as Landscape Lighting, building brightening, advertising signboard, plays fabulous beautification function.

In the prior art, all be by head and the tail serial butt joint between the fluorescent tube, general by four holding wire serially concatenateds between the fluorescent tube, this connected mode has limited the application of fluorescent tube as a display surface greatly; Pass through four holding wire cascades between the fluorescent tube, add power supply and ground wire and want six line cascades, because the joint of circuit is too many, reliability is not high, and the restriction ratio to pcb board is bigger, moves the front to as fluorescent tube pipe tail being picked out the line that comes, and it can at one end be interconnected, will make circuit very complicated like this, difficult wiring; And the fluorescent tube that connects of this head and the tail serial docking mode, occur when wrong when driving chip in a certain fluorescent tube in some fluorescent tubes, will cause all cisco unity malfunctions of the fluorescent tube that connects later.

Chinese patent " flexible light band of embedded serial drive control chip " (Chinese patent application number: 200410070987.0) disclose a kind of flexible light band of embedded serial drive control chip, by serial drive control chip the LED lamp is carried out independently single lamp brightness adjustment, solved the ubiquitous problem of the flexible ornament lamp of above-mentioned LED, but because the serial drive control chip of this invention adopts four traditional control signal circuit transmission, in transmission course, cause signal to disturb between line and the line easily, and in signal transduction process, have signal attenuation.

Summary of the invention

The purpose of this utility model is at the deficiencies in the prior art, and a kind of employing single serial transmission drive control chip is provided, and makes that the transmission signal disturbs less, stable signal transmission, cascade signal transmit zero-decrement flexible strip lamp.

The technical solution of the utility model is:

A kind of flexible strip lamp comprises some display units, and each display unit comprises pcb board, and pcb board is provided with: plurality of LED light-emitting and the luminous driving control chip of this LED luminescence unit of control,

Described driving control chip is by a signal controlling circuit input control signal, and the LED luminescence unit that directly drives on the described pcb board of control is luminous;

Some display units are connected in series by a signal controlling circuit, a positive source circuit and a power cathode circuit;

The pcb board of described display unit is stuck in the U font draw-in groove the inside on the fluorescent tube side seat, and described lampshade and inner end cap and base seal the confined space that formation one is used to accommodate described pcb board and LED lamp jointly, and described side seat cooperates with lampshade and base snaps into position respectively.

Flexibly connect by a signal controlling circuit, a positive source circuit and a power cathode circuit between the described display unit, and form banded structure with this.

Described pcb board is flexible PCB plate or rigidity pcb board; Connect with flexible circuit conductor between the described rigidity pcb board.

Also further anti-cover side seal bar and end sealing strip between described base and lampshade and inner end cap.Described fluorescent tube is the pipe of the rounded or semicircle en in cross section in conjunction with shape.

The fluorescent tube body is the rounded pipe in cross section, and the tube wall that is positioned at LED luminescence unit top is the crescent of thickening gradually.

On the described tube wall that is positioned at LED luminescence unit below, striped is set.

It is transparent or semitransparent entirely that described lampshade is.

Also be provided with the indicating device that reports an error on the described pcb board, this indicating device that reports an error is connected with described transmission drive control chip, and when input signal was invalid, this indicating device that reports an error was exported the index signal that reports an error.

The described indicating device that reports an error is the LED lamp.

Described a kind of flexible strip lamp one end is provided with a male seat, and the other end is provided with a female seat, pegs graft mutually by described male seat and female seat between the described flexible strip lamp.

The utility model beneficial technical effects is:

Adopt the cascade of single serial transmission drive control chip, can reduce interference between signals in transmission course, make the transmission signal more stable; Adopt the single line transmission that circuit is oversimplified more, make the fluorescent tube overall structure small and exquisite more frivolous, the convenient installation; Owing to adopt the single line transmission, input signal is every all can recompile through the one-level chip, can get rid of because the accumulating signal deviation that multistage chip cascade caused;

Pcb board of the present invention can adopt the flexible PCB plate also can adopt the rigidity pcb board, adopts the lamp band of rigidity pcb board by flexible cord adjacent pcb board to be flexibly connected, and can reach the effect of flexible strip lamp.

Description of drawings

Fig. 1 is the structure principle chart of the utility model flexible strip lamp;

Fig. 2 is the johning knot composition of the utility model single serial transmission drive control chip;

Fig. 3 is another embodiment structure chart of the utility model flexible strip lamp;

Fig. 4 is one of the utility model fluorescent tube body structure schematic diagram;

Fig. 5 is one of the utility model fluorescent tube body structure schematic diagram.

The specific embodiment

Fig. 1 has shown first kind of embodiment of the present utility model, and flexible PCB plate 1 is provided with: LED luminescence unit 6, and luminescence unit 6 is made up of red light emitting diodes, green LED, blue LED, connects with resistance R 1, R2, R3 respectively; Single wire transmission drive control chip 5 is by signal controlling circuit 3 input control signals, and the LED luminescence unit 6 that directly drives on the control flexible PCB plate 1 is luminous.On flexible PCB plate 1, also be provided with the LED indicator lamp 7 that reports an error, connect with resistance R 4, this LED indicator lamp 7 that reports an error is connected with single serial transmission drive control chip 5, when input signal is invalid, LED indicator lamp 7 glittering the reporting an error that report an error, the video data that the LED lamp gray scale minimum of LED luminescence unit, and cascade output signal simultaneously comprises also is the minimal gray data.Some display units on the whole piece flexible PCB plate are connected in series by signal controlling circuit 3, a positive source circuit 2 and a power cathode circuit 4, and form banded structure with this.

Fig. 2 is the inner connecting structure figure of the utility model single wire transmission drive control chip, the data controlling signal that chip internal cascade data receiver module 8 receives from 3 inputs of signal controlling circuit, data controlling signal to input extracts frequency information and data message, and it is whether effective by signal frequency and marker position confirmation signal, as be invalid signals, cascade data receiver module 8 exports data controlling signal to the LED indicator lamp 7 that reports an error, as be useful signal, cascade data receiver module 8 is imported cascade data transmission blocks 9 and local display control module 10 with data controlling signal.Produce the pulse-width signal of cascade behind 9 pairs of inputs of cascade data sending module data controlling signal recompile, send the next stage chip to.10 pairs of data control signals of local display control module are encoded, and data memory module 11 is received data behind the coding and storage from local display control module 10.From data memory module 11 sense data control signals and with data controlling signal output, the LED luminescence unit 6 that directly drives on the control flexible PCB plate 1 is luminous according to certain logical order for local display control module 10.

Fig. 3 has shown another embodiment of the utility model, the basic display unit that at least one is made up of LED luminescence unit 6, single serial transmission drive control chip 5 and a small amount of resistance is set on flexibility or rigidity pcb board 1, two adjacent flexibility or rigidity pcb boards 1 couple together by a positive source circuit 2, a signal controlling circuit 3 and a power cathode circuit 4, three above-mentioned circuits all adopt flexible cord, to reach the effect that adjacent flexibility or rigidity pcb board 1 is flexibly connected.A signal controlling circuit 3 connects two adjacent single serial transmission drive control chips 5, signal controlling circuit 3 input data controlling signals are to single wire transmission drive control chip 5, and the LED luminescence unit 6 that single wire transmission drive control chip 5 directly drives on the control flexibility or rigidity pcb board 1 is luminous.Several flexibility or rigidity pcb boards 1 flexibly connect mutually, and form banded structure with this.

Fig. 4 is a kind of flexible strip lamp, and described fluorescent tube body structure is by described pcb board 1 and the metab 16 that is sealed and matched with lampshade 15 and inner end cap, and the metal side seat 14 that is divided into the lampshade both sides; Described lampshade 15 seals the confined space that formation one is used to accommodate described pcb board 1 and LED lamp jointly with inner end cap and metab 16; Described pcb board 1 is stuck in the U font draw-in groove the inside on the metal side seat 14; Described metal side seat 14 cooperates with lampshade 15 and base deck 17 location respectively; Also further anti-cover side seal bar and end sealing strip between described metab 16 and lampshade 15 and inner end cap; The fluorescent tube body is the rounded pipe in cross section, and the lampshade that is positioned at LED luminescence unit top is rounded.

Fig. 5 is a kind of flexible strip lamp, and described fluorescent tube body structure is U font draw-in groove 17 the insides that are embedded in the rounded or oval soft pipe madial wall in cross section by described pcb board 1; The lampshade 15 that is positioned at LED luminescence unit top is the crescent of thickening gradually.

The above embodiment only is used for illustrating the present invention, but is not limited thereto.Under the condition that does not depart from the present invention's design, affiliated technical field personnel can make suitable change adjustment, and these change adjustment also should be included within the claim protection domain of the present invention.

Claims

1, a kind of flexible strip lamp comprises some display units, and each display unit comprises pcb board, and pcb board is provided with: plurality of LED light-emitting and the luminous driving control chip of this LED luminescence unit of control is characterized in that:

2, a kind of flexible strip lamp according to claim 1 is characterized in that: flexibly connect by a signal controlling circuit, a positive source circuit and a power cathode circuit between the described display unit, and form banded structure with this.

3, a kind of flexible strip lamp according to claim 1 and 2 is characterized in that: described pcb board is flexible PCB plate or rigidity pcb board; Connect with flexible circuit conductor between the described rigidity pcb board.

4, a kind of flexible strip lamp according to claim 1 is characterized in that: also further anti-cover side seal bar and end sealing strip between described base and lampshade and inner end cap.

5, a kind of flexible strip lamp according to claim 4 is characterized in that: described fluorescent tube is the pipe of the rounded or semicircle en in cross section in conjunction with shape.

6, a kind of flexible strip lamp according to claim 4 is characterized in that: the fluorescent tube body is the rounded pipe in cross section, and the tube wall that is positioned at LED luminescence unit top is the crescent of thickening gradually.

7, a kind of flexible strip lamp according to claim 5 is characterized in that: be positioned on the tube wall of LED luminescence unit below, striped is set.

8, a kind of flexible strip lamp according to claim 4 is characterized in that: described lampshade is transparent or semitransparent entirely.

9, a kind of flexible strip lamp according to claim 1 and 2, it is characterized in that: also be provided with the indicating device that reports an error on the described pcb board, this indicating device that reports an error is connected with described transmission drive control chip, and when input signal was invalid, this indicating device that reports an error was exported the index signal that reports an error.

10, a kind of flexible strip lamp according to claim 9 is characterized in that: the described indicating device that reports an error is the LED lamp.

11, a kind of flexible strip lamp according to claim 1 is characterized in that: described a kind of flexible strip lamp one end is provided with a male seat, and the other end is provided with a female seat, pegs graft mutually by described male seat and female seat between the described flexible strip lamp.