CN201288961Y

CN201288961Y - LED lamp strip

Info

Publication number: CN201288961Y
Application number: CNU2008201229338U
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: 2008-09-28
Filing date: 2008-09-28
Publication date: 2009-08-12
Anticipated expiration: 2018-09-28

Abstract

The utility model discloses a LED lamp strip, comprising at least two LED units, at least one power anode wire and at least one power cathode wire, wherein each LED unit comprises a PCB board, at least one LED light emitting diode mounted on the PCB board; the PCB board is the full triangle PCB board or remainder thereof after intercepting one angle. The LED lamp strip has features of simple structure, stable connection, simple wire arrangement, compactness, and a plurality of LED lamp strips can be formed into very transparent LED products.

Description

A kind of LED lamp bar

Technical field

The utility model relates to a kind of LED lighting device, in particular, and a kind of LED lamp bar.

Background technology

In the LED industry, the LED product as LED display, is to be interconnected and constituted by several LED pixels, and each LED pixel can be used as a LED unit, comprises at least one LED light emitting diode and the pcb board that the LED light emitting diode is installed.The mutual straight line in several LED unit connects can form a LED lamp bar, and some LED lamp bars are mutually permanently connected composition one LED matrix.In the prior art, the pcb board in the LED unit is generally square, and LED generally is mutually permanently connected by pcb board between the unit, perhaps interconnects to realize the connection between each LED unit by circuit.The employing pcb board is fixedly connected, and it is very firm that each LED unit is connected, but when need are made penetrating product and since pcb board to occupy volume bigger, the product permeability is poor; The employing circuit connects, and has significantly reduced connector volume between each LED unit, but owing to pcb board in the LED unit is square, circuit only connects the two ends of square pcb board, the adjacent LED unit connects firm inadequately, as will connecting line all being set at the four direction of square pcb board, will make wiring complicated.Therefore, there is defective in prior art, needs to improve.

The utility model content

Technical problem to be solved in the utility model is, provides a kind of and connects up simple and connect firm LED lamp bar.

The technical solution of the utility model is as follows: a kind of LED lamp bar, wherein, comprise at least two LED unit, at least one positive source line and at least one power-polar curve, and each LED unit comprises pcb board, at least one LED light emitting diode that is installed on the pcb board; Described pcb board is the whole of triangle pcb board or intercepts surplus portion after one jiao.

Described LED lamp bar wherein, also comprises at least one linkage unit, is used for interconnecting between each LED lamp bar.

Described LED lamp bar, wherein, described triangle pcb board is isosceles triangle pcb board or equilateral triangle pcb board.

Described LED lamp bar, wherein, the pcb board shape of each LED unit is identical.

Described LED lamp bar, wherein, two pcb boards of adjacent LED unit, the center is symmetrical arranged mutually.

Described LED lamp bar, wherein, each LED unit is fixed on each positive source line and each power-polar curve, to realize the connection between each LED unit by its pcb board respectively.

Described LED lamp bar, wherein, described pcb board also is provided with at least three connecting portions, fixedlys connected with each power-polar curve with each positive source line respectively

Described LED lamp bar, wherein, at least one connecting portion of each pcb board is fixedlyed connected with first power line, other connecting portions are fixedlyed connected with the second source line; Described first power line and described second source line are respectively positive source line, power-polar curve, perhaps are respectively power-polar curve, positive source line.

Described LED lamp bar, wherein, described LED lamp bar also is provided with a control signal wire and at least one control module, and each control module is the single line control module, each single line control module drives the described LED light emitting diode of control only according to the control signal of described control signal wire input.

Described LED lamp bar, wherein, described control signal wire and each positive source line or each power-polar curve mutually near, merge and to be set to a multiply circuit.

Adopt such scheme, the utility model is set to the triangle pcb board by the pcb board in the LED unit, utilize leg-of-mutton stability, be connected with circuit respectively by three angles the triangle pcb board, to realize the connection between each LED unit, connecting wiring is simple between the LED unit, and connection is also very firm, can form very penetrating LED matrix.

Description of drawings

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

Fig. 2 is the schematic diagram of embodiment 2 of the present utility model;

Fig. 3 is the schematic diagram of embodiment 3 of the present utility model;

Fig. 4 is the schematic diagram of embodiment 4 of the present utility model;

Fig. 5 is the schematic diagram of embodiment 5 of the present utility model;

Fig. 6 is the schematic diagram of embodiment 6 of the present utility model;

Fig. 7 is the schematic diagram of embodiment 7 of the present utility model;

Fig. 8 is the connection diagram of control module in the utility model;

Fig. 9 is the connection diagram of embodiment 8 of the present utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.

Embodiment 1

As shown in Figure 1, LED unit 105 comprises pcb board 101 and LED light emitting diode 102.LED light emitting diode 102 is fixed on the pcb board 101; Each LED unit is provided with a LED light emitting diode 102 at least, LED light emitting diode 102 can be red LED light emitting diode or blue led light emitting diode, or the green LED light emitting diode, also can also be three kinds combination for wherein any two kinds of combinations.Usually, each LED unit can be used as a LED pixel, LED pixel commonly used comprises 1 red/green LED light emitting diode, or comprise 1 red LED light emitting diode, 1 blue led light emitting diode and 1 green LED light emitting diode, or comprise 2 red LED light emitting diodes, 1 blue led light emitting diode and 1 green LED light emitting diode.

Pcb board 101 according to actual needs, can be lamina, doubling plate or multi-layer sheet, multi-layer PCB board can satisfy abundant electronic devices and components and the electronic circuit of installation in the pcb board of limited horizontal space, multi-layer sheet most preferably is 3 to 10 layers of pcb board, and every layer of pcb board comprises that all an insulated substrate and is arranged on the conductive pattern layer on the insulated substrate.What the conductive pattern layer was set on a surface of insulated substrate is single face pcb board layer, be respectively arranged with the two-sided pcb board layer that is of conductive pattern layer on two surfaces of insulated substrate, 3 to 10 layers pcb board can only be made of single face pcb board layer, also can only constitute by two-sided pcb board layer, can also be by the combination of single face pcb board layer and two-sided pcb board layer and constitute, concrete constitute according to concrete needs determine.Between the two adjacent pcb board layers insulation adhesive sheet is set; the insulation adhesive sheet is an adhesive material; with the insulation adhesive sheet each pcb board layer is bonded to an integral body; thereby can make 3 to 10 layers pcb board of an integral body; can more effectively reduce the overall volume of pcb board, the insulation adhesive sheet can also play the effect of protection conductive pattern layer.

For example: 3 layers of pcb board can be made up of a two-sided pcb board layer and a single face pcb board layer; 3 layers of pcb board also can be by three single face pcb board layers with forming.

4 layers of pcb board can be made up of two two-sided pcb board layers, or are made up of two single face pcb board layers and a two-sided pcb board layer, or are made up of four single face pcb board layers.

8 layers of pcb board can be made up of four two-sided pcb board layers, or form by two single face pcb board layers and three two-sided pcb board layers, or form by four single face pcb board layers and two two-sided pcb board layers, or form by six single face pcb board layers and a two-sided pcb board layer, or form by eight single face pcb board layers.

Generally speaking,, then respectively each insulation adhesive sheet is arranged between the adjacent layer pcb board layer independently pcb board layer of several layers should be arranged, with each layer independently the pcb board layer be bonded to the pcb board of an integral body.

According to the occasion needs of using, pcb board 101 can be the flexible PCB plate, also can be the rigidity pcb board, perhaps is both combination.The rigidity pcb board has certain mechanical strength, and the parts of dressing up with it have certain bending resistance, are in flattened state in use.The flexible PCB plate is to be that base material is made with soft formation shape plastics or other soft insulating materials, and its made parts can be crooked and flexible, in use can be according to installation requirement with its bending moulding.And have under the certain mechanical strength by the pcb board of rigidity pcb board and the combination of flexible PCB plate, can carry out bending moulding to a certain degree.

More particularly, a certain pcb board can be the combination of flexible PCB plate and rigidity PCB layer, that is, its part is the flexible PCB flaggy, and part is a rigidity pcb board layer; For example, the rigidity pcb board interlayer of the flexible PCB plate of pcb board bar shaped and bar shaped row are formed, i.e. the flexible PCB plate A of a row bar shaped, and the next door is the rigidity pcb board B of a row bar shaped, the another side of rigidity pcb board B is the flexible PCB plate C of a row bar shaped, is arranged in order.

In multi-layer PCB board, flexible PCB flaggy and rigidity pcb board layer can also be another kind of combinations, promptly, PCB composite plate X is formed by flexible PCB flaggy and stacked the closing of rigidity pcb board, and promptly flexible PCB flaggy A and rigidity pcb board layer B are superimposed, and is superimposed with flexible PCB flaggy C again, superimposed so, successively.

As shown in Figure 1, pcb board 101 is set to the triangle pcb board, and LED unit 105 is provided with three connecting portions, be connecting portion 107, connecting portion 108 and connecting portion 109, and, three connecting portions, be that connecting portion 107, connecting portion 108 are separately positioned on three angles of pcb board, or near three angles.Because triangle has stability, is set to triangle by pcb board, and, by on three angles of pcb board, connecting portion being set, firmly connect each other to realize each pcb board by connecting portion.Because LED light emitting diode, other electronic devices and components and electronic circuit in each LED unit all are arranged on the pcb board, therefore, realize that pcb board connects firmly each other, can realize that promptly the connection of each LED unit is firm.Each triangle pcb board can be set to the identical pcb board of shape, and so, LED lamp bar is evenly distributed, and each LED unit is more firm.

LED lamp bar also comprises at least one positive source line, at least one power-polar curve, and each positive source line is connected with external power supply respectively with each power-polar curve, is used to LED lamp bar that voltage is provided, to guarantee the operate as normal of electronic devices and components such as LED light emitting diode; Be provided with and manyly can be connected with other electronic devices and components with the LED light emitting diode respectively, when the positive and negative line of certain a pair of power supply disconnects, do not influence the operate as normal of the positive and negative polar curve of other power supplys the positive and negative polar curve of power supply; Also can be with a pair of positive and negative electrode power line wherein as main power line, the positive and negative polar curve of other power supplys is as the stand-by power supply line, power line has multiple assurance, makes when main power line disconnects, and does not influence the operate as normal of LED light emitting diode and other electronic devices and components.

As Fig. 1, be provided with first power line 103 in the LED lamp bar and second source line 104, the first power lines 103 are the positive source line, perhaps be the power-polar curve, perhaps be the multiply power line that power-polar curve and positive source line are formed; Second source line 104 also can the positive source line, perhaps is the power-polar curve, perhaps is the multiply power line that power-polar curve and positive source line are formed.During as long as the institute that first power line 103 and second source line 104 comprise is wired, has the positive source line simultaneously and the power-polar curve gets final product.

Connecting portion 107 in first power line 103 and the LED unit 105 is connected, second source line 104 respectively with LED unit 105 in connecting portion 108 be connected with connecting portion 109, so, can realize LED unit 105 respectively with first power line 103 and second source line 104 between be connected, same connection, can realize LED unit 106 respectively with first power line 103 and second source line 104 between be connected, thereby can realize being connected between LED unit 105 and the LED unit 106, so, some LED unit interconnects, and can realize the utility model LED lamp bar.

Because triangle itself has stability, especially when triangle was isosceles triangle, triangle was axial symmetry, and stability is stronger; Most preferably, when triangle was equilateral triangle, three angles of equilateral triangle were provided with the equal angular direction on horizontal plane each other, and leg-of-mutton stability is the strongest.Therefore fix with connection line respectively by the connecting portion on three angles that will be arranged on the triangle pcb board, make connect between the pcb board very firm, thereby it is firm that each LED unit is connected; Positive source line and power-polar curve are the necessary circuit in LED unit, only be connected each LED unit with the power-polar curve by the positive source line, can make LED lamp bar structure simpler, the wiring of each LED unit is also very simple, and LED lamp bar connects very firm.

Can the pcb board shape of each LED unit of LED lamp bar will be formed in addition, be set to the identical pcb board of shape, arrange on each pcb board LED light emitting diode of equal number, the shape that is each LED unit is also identical, can make each LED unit strictness be the dot matrix arrangement with this, do not influence the range of application of LED lamp bar, can be used for the penetrating product of LED of different shape.

In the present embodiment, the shape of pcb board can also intercept surplus portion after one jiao for triangle, be triangle intercepted one jiao after formed trapezoidal pcb board or common quadrangle pcb board.When former triangle is isosceles triangle, can be isosceles trapezoid after the intercepting; When former triangle is equilateral triangle, can be isosceles trapezoid after the intercepting.Each pcb board after the intercepting is connected with circuit by connecting portion, has the same technique effect of each former triangle pcb board, repeats no more herein.

Embodiment 2

As shown in Figure 2, in embodiment 1, on the trapezoidal pcb board or non-parallel tetragonal common quadrangle pcb board after connecting portion 107, connecting portion 108 are separately positioned on the triangle pcb board or intercept one jiao on former triangle, and, be placed in the described pcb board.Connecting portion 107, connecting portion 108 and connecting portion 109 mutual triangular in shape arranging, and, the triangle of forming is identical with former triangle pcb board shape, and size is littler than former triangle pcb board, connecting portion 107 is connected with first power line 103, and connecting portion 108 is connected with second source line 104 respectively with connecting portion 109; Similarly, can realize LED unit 106 respectively with first power line and second source line between be connected; Thereby show the connection between each LED unit.Present embodiment has technique effect similarly to Example 1.

Embodiment 3

As shown in Figure 3, on the basis of embodiment 1 or embodiment 2, a junction 107a is set also on the LED unit 105, promptly LED unit 105 is provided with four connecting portions: connecting portion 107, connecting portion 108, connecting portion 109 and connecting portion 107a.Each connecting portion is arranged in the trapezoidal pcb board or quadrangle pcb board behind one jiao on triangle pcb board in the LED unit 105 or the intercepting triangle, perhaps be arranged on the angle of trapezoidal pcb board behind triangle pcb board or one jiao on the triangle of intercepting or quadrangle pcb board, and, triangular in shape the arranging of any three connecting portions among connecting portion 107, connecting portion 108, connecting portion 109 and the connecting portion 107a; Wherein connecting portion 107, connecting portion 107a are connected with first power line 103 respectively; Connecting portion 108 is connected with second source line 104 with connecting portion 109; Because any three connecting portions are triangular in shape each other arranges, therefore four connecting portions have leg-of-mutton stability equally.Can reach same firm connection effect.

In addition, the utility model can also be provided with the connecting portion more than four, as is provided with 5,6,8 etc., any three connecting portions triangular in shape arranging each other in the connecting portion more than four, can reach the firm effect that connects in each LED unit, the concrete setting is not described further herein.

Embodiment 4

As shown in Figure 4, on the basis of embodiment 1 to 3 arbitrary embodiment, trapezoidal pcb board or quadrangle pcb board in the LED unit 105 behind one jiao on triangle pcb boards or the intercepting triangle, the connecting portion 107 of last setting, connecting portion 107a, connecting portion 108 and connecting portion 109 are when being connected with each circuit respectively, can adopt various connected modes to connect, as: stickup, welding, lead electrical connection, clamping, nested, peg graft, be spirally connected etc.; Each lead can be arranged on the inside of connecting portion, realizing being connected of each connecting portion and each circuit, as: by plug-in unit, connecting line is embedded connecting portion inside.Each lead also can be arranged on the outside of connecting portion, as: each lead is sticked on the surface of connecting portion by the stickup unit is set; Any restriction is done by portion herein.

Embodiment 5

As shown in Figure 5, on the arbitrary basis of embodiment 1 to 4, each pcb board shape is identical, and, two pcb boards of adjacent LED unit, the center is symmetrical arranged mutually.As being that two shapes are identical in: adjacent LED unit 105 and the LED unit 106, and mutual centrosymmetric LED unit.In order to realize first power line 103, second source line 104, be connected with LED unit 106 with LED unit 105 respectively, LED unit 105 and LED unit 106 are respectively arranged with at least three connecting portions, and each connecting portion is arranged on the pcb board in each LED unit.By being connected between each connecting portion and each circuit, can realize the connection between each LED unit, but specifically connect reference example 1 to embodiment 4, no longer describe in detail herein.So connect, not only make the interior line layout of LED lamp bar simple, and each LED unit weight distributes more even, the LED unit connects more firm.

Embodiment 6

As Fig. 6 and shown in Figure 8, on the basis of embodiment 1 to 5 arbitrary embodiment, be arranged on LED light emitting diode 102 in each LED unit in order to drive control, can be to each LED light emitting diode 102 independent control, thereby realize effects such as flicker, animation, the utility model LED lamp bar also comprises at least one control module 801, and control module 801 is arranged on the pcb board in each LED unit, as: on the pcb board 101; Attractive in appearance in order to make each LED unit view and admire face, control module 801 can be arranged on pcb board and with the opposing surface of LED light emitting diode 102 exiting surfaces on, or be arranged in the multi-layer PCB board, it is each layer pcb board place that is superimposed, to stash, make LED lamp bar view and admire face and only be placed with each LED light emitting diode and connection line, LED lamp bar appearance looks elegant.

Each control module 801 drives the described LED light emitting diode 102 of control according to the control signal of each control signal wire 602 input.Each control module 801 can be according to concrete setting, drive the LED light emitting diode of control varying number, for example: the control chip ZQL9712 that control module 801 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, four the control signal wire transmission of control signals of control chip ZQL9712 by forming by four leads, and, according to control signals transmitted, drive 3 different LED light emitting diodes of control.

When the control module 801 that adopts was the single line transmission control unit, the control signal wire of single line transmission of control signals only was a control signal wire 602 of being made up of a lead.And for example: the single line control chip ZQL1111 that single line control module 801 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, the control signal wire transmission of control signals of single line control chip ZQL1111 by forming by a lead, and, according to control signals transmitted, drive 3 different LED light emitting diodes 102 of control.The structure of LED lamp bar is simpler.

As shown in Figure 6, more succinct in order to make connection line, the control signal wire 602 and first power line 103 are set to a multiply circuit 601 near merging.Between the control signal wire 602 and first power line 103 insulating barrier is set, in case the short circuit between the principal vertical line road.Multiply circuit 601 is connected with the connecting portion that is provided with on the triangle pcb board in each LED unit respectively, is connected with the firm of LED unit 106 from realize LED unit 105 with this, thereby realizes firm connection between each LED unit.But concrete connected mode reference example 1 to 5 in detail.

Embodiment 7

As shown in Figure 7 and Figure 8, in embodiment 6, in order to make connection line more succinct, control signal wire 602 also can and second source line 104 be set between a multiply circuit 601. control signal wires 602 and the second source line 104 insulating barrier is set near merging, in case the short circuit between the principal vertical line road.Multiply circuit 601 respectively be arranged on each LED unit in the connecting portion that is provided with on the pcb board be connected, realize that with this LED unit 105 is connected with the firm of LED unit 106, thereby realize the firm connection between each LED unit.

Embodiment 8

As shown in Figure 9, the utility model LED lamp bar also comprises a linkage unit, is used for interconnecting between the described LED lamp bar.Linkage unit can be set to a fixed frame 901, and fixed frame 901 can be made by materials such as metal, timber, plastics; Neat being arranged on the fixed frame 901 that can be parallel to each other of each LED lamp bar 902 also can be according to definite shape, intersects mutually at a certain angle to be fixed on the fixed frame 901.Because each LED unit of the LED lamp bar of forming is by being arranged on each triangle pcb board, or on the trapezoidal pcb board or quadrangle pcb board behind one jiao on the triangle of intercepting, especially on the isosceles triangle pcb board, most preferably be on the equilateral triangle pcb board, at least three connecting portions are set to be connected, and mutual triangular in shape the arranging of any three connecting portions in each connecting portion, each LED lamp bar is only by two circuits, i.e. first power line and second source line, or first power line and multiply circuit 601, perhaps multiply circuit 601 and second source line, to realize the connection between each LED unit, each LED unit connects firm, and syndeton is simple; Thereby the LED lamp bar that constitutes is 902 also simple in structure, it is firm to connect, wiring is simple and it is little to take volume, and at least two LED lamp bars 902 formed LED matrixs can be set to very penetrating LED matrix.

Embodiment 9

On the basis of embodiment 1 to 8, the utlity model has waterproof and effect such as dustproof in order to make, the utility model LED lamp bar can also be provided with some shells, promptly can one monolithic case be set to LED lamp bar, also can to each LED unit one shell be set respectively, each shell can be made as the open type shell, and described shell is provided with an installing port at least, be used to place the LED light emitting diode, the LED light emitting diode stretches into described enclosure by described installing port.General shell is set to black, can play the effect of shading to the LED light emitting diode, makes the contrast of the exiting surface of LED light emitting diode and other faces bigger, and display effect is better.

Except employing is provided with shell comes LED lamp bar or LED matrix shielded, a rete can also be set LED lamp bar is played a protective role, promptly play protective effects such as waterproof and dustproof.Rete can cover LED lamp bar surface by the mode of plated film, promptly covers the contact position of surface, LED light emitting diode and the pcb board of pcb board, surface and each circuit and the contact position, LED unit etc. of each circuit.

In above-mentioned each example, described LED light emitting diode can be OLED (Organiclight-emitting diode, an Organic Light Emitting Diode), and the utility model is not made any additional limits to this.

Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims

1, a kind of LED lamp bar is characterized in that, comprises at least two LED unit, at least one positive source line and at least one power-polar curve, and each LED unit comprises pcb board, at least one LED light emitting diode that is installed on the pcb board;

Described pcb board is the whole of triangle pcb board or intercepts surplus portion after one jiao.

2, LED lamp bar according to claim 1 is characterized in that, also comprises at least one linkage unit, is used for interconnecting between each LED lamp bar.

3, LED lamp bar according to claim 1 is characterized in that, described triangle pcb board is isosceles triangle pcb board or equilateral triangle pcb board.

4, LED lamp bar according to claim 1 is characterized in that, the pcb board shape of each LED unit is identical.

5, LED lamp bar according to claim 4 is characterized in that, two pcb boards of adjacent LED unit, and the center is symmetrical arranged mutually.

According to the arbitrary described LED lamp bar of claim 1 to 5, it is characterized in that 6, each LED unit is fixed on each positive source line and each power-polar curve, to realize the connection between each LED unit by its pcb board respectively.

7, LED lamp bar according to claim 6 is characterized in that described pcb board also is provided with at least three connecting portions, fixedlys connected with each power-polar curve with each positive source line respectively.

8, LED lamp bar according to claim 7 is characterized in that, at least one connecting portion of each pcb board is fixedlyed connected with first power line, other connecting portions are fixedlyed connected with the second source line; Described first power line and described second source line are respectively positive source line, power-polar curve, perhaps are respectively power-polar curve, positive source line.

9, LED lamp bar according to claim 6, it is characterized in that, described LED lamp bar also is provided with a control signal wire and at least one control module, each control module is the single line control module, each single line control module drives the described LED light emitting diode of control only according to the control signal of described control signal wire input.

10, LED lamp bar according to claim 9 is characterized in that, described control signal wire and each positive source line or each power-polar curve mutually near, merge and to be set to a multiply circuit.