A kind of flexible LED rope light
Technical field
The present invention relates to display field, more particularly to a kind of flexible LED rope light.
Background technology
As depicted in figs. 1 and 2, it shows a kind of existing flexible LED rope light, is typically in flexible PCB(FPCB)
It is provided with circuit and conductive main line on 4 ', passes through surface mounting technology on FPCB plates(SMT)It is welded with paster LED 3 ' and electronics
Component 2 '(Such as resistance).
On specific LED light strip finished product, the flexibility for being welded with paster LED and electronic component 2 shown in Fig. 1 is needed
One layer of soft plastic material or layer of silica gel 5 ' are wrapped up on circuit board 4 ', to play the waterproof and dustproof shape and light different with formation
Effect is learned, concrete structure can be found in shown in Fig. 3.
But there are following shortcomings for existing this structure:
First, in process of production, in order to ensure the pliability of LED light bar, conductive copper pool cannot be too used by conductive main line
It is thick;Since conductive copper pool is relatively thin, conductive capability is limited, if light bar is caused to access power supply from one end, continuous use
Length is restricted because of the problem of pressure drop of conductive main line, this brings very big problem to the engineer application of the product;
Meanwhile the intensity of flexible circuit plate stretching and bend resistance is low, existing flexible LED rope light exists in engineering construction to be easy
Product is caused to be unable to the situation of normal use by mechanical destruction.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of flexible LED rope light, can improve the machine of flexible light band
Tool intensity and bend resistance ability, and enhance the conductive capability of flexible light band, so as to improve the use length of light bar.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of flexible LED rope light comprising:
At least two FPCB plates are disposed at least two conductive main lines, at least one paster LED, electronics member on every FPCB plates
Part, wherein at least two conductive main lines are at least two conductive coppers pools for being laid in FPCB board bottoms portion, it is described at least
Two FPCB plates are intervally arranged successively, and there are preset distances between adjacent FPCB plates;
Insulating bag covering layer is wrapped on at least two FPCB plates;
At least two parallel and phases are further provided between at least two FPCB board bottoms portion and the insulating bag covering layer
The metal conductive strips being mutually spaced, metal conductive strips described in each are electrically connected with a conductive copper in FPCB board bottoms portion pool,
At least two metal conductive strips lower parts are provided with a flexible fixed bed.
Wherein, between at least two parallel metal conductive strips there are gap, and each metal conductive strips upper surface
It is at least partly exposed, and be close to respectively every FPCB board bottoms portion a conductive copper pool, respectively with one on every FPCB plates
Conductive main line electrical connection.
Wherein, two conductive coppers pool in every FPCB board bottoms portion is led by a solder joint and two metals respectively
Electric item mutually welds, and the line between solder joint on two conductive coppers pool in every FPCB board bottoms portion is led with two metals
Electric length direction is vertical.
Wherein, at least one complete circuit unit is disposed on every FPCB plates.
Wherein, at least two metal conductive strips are the alloy strip of copper strips, aluminium strip, steel band or above-mentioned material, described exhausted
Edge wrapping layer is soft plastic layer or layer of silica gel.
Wherein, each metal conductive strips are braided metal band, or are formed by sub-thread or multiply metal wire.
Wherein, it is adhesive tape or layer of silica gel to state flexible fixed bed.
Wherein, it is provided between two metal conductive strips and is dielectrically separated from component.
Wherein, the flexible fixed bed is adhesive tape or layer of silica gel, and the component that is dielectrically separated from is a plastic strip.
Wherein, the flexible fixed bed is layer of silica gel, and the component that is dielectrically separated from is layer of silica gel, described to be dielectrically separated from component
It is made of one piece with the flexible fixed bed.
Implement the embodiment of the present invention, has the advantages that:
First, the present invention in the FPCB plates of flexible LED rope light by being arranged at least two metal conductive strips and flexibility admittedly
Given layer can improve the mechanical strength of flexible LED rope light;
Simultaneously as two metal conductive strips upper surfaces are close to the conductive copper pool under FPCB plates respectively, equivalent to increase having
The current carrying area of effect, so as to it is single-ended enter electricity in the case of, make line drop smaller, to keep flexible LED rope light continuous
The length used is longer;
In addition, since the present invention is arranged in order and spaced FPCB plates using at least two, due to adjacent FPCB plates it
Between be provided with certain intervals, the buckle resistance of lamp bar can be improved, in bending, utmostly protect element on FPCB plates not
It is damaged.In addition, since each section of FPCB plate is independent, even if damage occurs in wherein one section of FPCB(Such as occur all
It is bent as light bar meets with mistake, the situation that distortion causes flexible PCB to be broken), the normal of other section of FPCB plate will not be influenced
Work.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the assembly structure diagram of the FPCB plates of existing flexible LED rope light;
Fig. 2 is the corresponding circuit diagrams of Fig. 1;
Fig. 3 is the sectional view after Fig. 1 packaging insulating wrapping layers;
Fig. 4 is a kind of sectional view of the first embodiment of flexible LED rope light provided by the invention;
Fig. 5 is the matching relationship schematic diagram between FPCB plates in Fig. 4, metal conductive strips and flexible fixed bed;
Fig. 6 is the assembling schematic diagram in one embodiment of Fig. 5;
Fig. 7 is the assembling schematic diagram in another embodiment of Fig. 5;
Fig. 8 is the circuit diagram in a kind of one embodiment of flexible LED rope light provided by the invention;
Fig. 9 is a kind of sectional view of the second embodiment of flexible LED rope light provided by the invention;
Figure 10 is the structural schematic diagram that metal conductive strips and flexible fixed bed are fixed in Fig. 9;
Figure 11 be a kind of flexible LED rope light provided by the invention 3rd embodiment between metal conductive strips and flexible fixed bed
Matching relationship schematic diagram;
Figure 12 be a kind of flexible LED rope light provided by the invention fourth embodiment between metal conductive strips and flexible fixed bed
Matching relationship schematic diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clearly complete
Ground describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
It shows the structure and/or processing step closely related with scheme according to the present invention, and is omitted little with relationship of the present invention
Other details.
As shown in figure 4, showing a kind of sectional view of the first embodiment of flexible LED rope light provided by the invention, simultaneously
Together with reference to shown in Fig. 5-Fig. 8.In this embodiment, the flexible LED rope light comprising:
At least two FPCB plates 4, on every FPCB plates on be disposed at least two conductive main lines, at least one paster LED 3 with
And electronic component 2(Such as resistance), wherein described at least two conductive main lines are be laid in FPCB board bottoms portion at least two
Conductive copper is moored, and at least two FPCB plates 4 are intervally arranged successively, and there are preset distances between adjacent FPCB plates 4(Such as Fig. 5
In d, can be with such as 1mm);Wherein, the connection relation between conductive main line, paster LED and electronic component is referred to
The content of Fig. 1 and Fig. 2 hereinbefore;
Insulating bag covering layer 5 is wrapped on at least two FPCB plates 4, and the insulating bag covering layer 5 is soft plastic layer or silica gel
Layer, wherein the materials such as PVC, PU or TPU, TPR may be used in soft plastic layer;
Wherein, at least two are further provided between at least two FPCB plates, 4 bottom and the insulating bag covering layer 5 to put down
Capable and spaced metal conductive strips 7(It is illustrated as two), metal conductive strips 7 described in each and 4 bottom of FPCB plates
One conductive copper pool electrical connection in portion;At least two 7 lower parts of metal conductive strips are provided with a flexible fixed bed, in the example
In, which is a layer of silica gel 6, which partly wraps two metal conductive strips, 7 lower part.
Wherein, between at least two parallel metal conductive strips 7 there are gap, and 7 upper table of each metal conductive strips
Face is at least partly exposed, and be close to respectively every 4 bottom of FPCB plates a conductive copper pool, respectively with one on every FPCB plates
Item conduction main line is electrically connected.
As shown in fig. 6, in one embodiment, every FPCB plates 4 be placed directly in the metal conductive strips 7 it
On, it is then wrapped by insulating bag covering layer 5, wherein the conductive copper pool and metal conductive strips 7 of 4 downside of FPCB plates are straight
Electrical connection is realized in contact;When providing power to metal conductive strips 7, the FPCB plates 4 in face disposed thereon can work normally.
As shown in fig. 7, in another embodiment, two conductive coppers pool of every 4 bottom of FPCB plates passes through respectively
One solder joint 40 is welded with two metal conductive strips, 7 phase, the weldering on two conductive coppers pool of every 4 bottom of FPCB plates
Line between point 41 is vertical with two 7 length directions of metal conductive strips.In this way, can further increase FPCB plates 4 with
Fixed routine between metal conductive strips 7, in addition, due to line and two metal conductive strips, 7 length between solder joint 41
Direction is vertical, even if in use, which also can guarantee FPCB plates 4 and metal conductive strips 7 in bending
Between will not there is a phenomenon where misplace.
It is understood that in an embodiment of the present invention, two metallic conductions 7 be provided with between insulation every
From component 70, specifically, in one example, it is described be dielectrically separated from component 70 be layer of silica gel, it is described be dielectrically separated from component 70 with
The flexibility fixed bed(Layer of silica gel 6)It is made of one piece;To which the layer of silica gel 6 may be implemented to lead two metals
7 lower part of electric item is partly wrapped.It is understood that in some other examples, this is dielectrically separated from component 70 and also may be used
To be component independently with the flexible fixed bed.
Preferably, in one example, the width of at least two parallel metal conductive strips 7 and mutual spacing with
The width and spacing of at least two conductive coppers pool of 4 bottom of FPCB plates are wide, it is possible to understand that foregoing description it is non-for limitation,
In actual example, width therein can be adjusted accordingly.
Also, it is understood that in every FPCB plates 4, at least one element circuit can be set, as shown in figure 8,
It shows an example, two element circuits is provided in every FPCB plates 4.It is understood that due to each
Element circuit in FPCB plates is independently arranged, when an element circuit in a certain FPCB plates 4 is destroyed, then only this
Element circuit does not work, and will not be impacted to the element circuit in other FPCB plates 4.
Specifically, at least two metal conductive strips 7 can be the alloy strip of copper strips, aluminium strip, steel band or above-mentioned material.
Correspondingly, as shown in Figure 9 and Figure 10, the structural schematic diagram of the second embodiment of the present invention is shown.Second reality
Applying first embodiment shown in example and Fig. 4 to Fig. 8 maximum, difference lies in wherein flexible fixed bed is an adhesive tape 8, this is viscous
Two metal conductive strips 7 are fixed adhesive tape 8;It is provided with between in two metallic conductions 7 and is dielectrically separated from component 70,
The component 70 that is dielectrically separated from is a plastic strip, and bottom surface is fixed with 8 phase of the adhesive tape;Other structures and principle and Fig. 4
Shown to Fig. 8 it is identical in first embodiment, herein without be described in detail.
Further, as shown in figure 11, it shows golden in a kind of 3rd embodiment of flexible LED rope light provided by the invention
Belong to the matching relationship schematic diagram between conductive bar and flexible fixed bed;In this embodiment, each metal conductive strips 7 can be to compile
Knit metal tape, i.e., more small metal tapes or metal wire weave, and the upper surface of the braided metal band is at least partly exposed,
And it is close to the conductive copper pool in FPCB board bottoms portion respectively, it is electrically connected with what conductive copper was moored to realize.In the present embodiment its
His structure and principle shown with Fig. 4 to Fig. 8 it is identical in first embodiment, herein without being described in detail.
Further, as shown in figure 12, it shows golden in a kind of fourth embodiment of flexible LED rope light provided by the invention
Belong to the matching relationship schematic diagram between conductive bar and flexible fixed bed;In this embodiment, each metal conductive strips 7 can be by list
Stock or multiply metal wire are formed, such as one thicker metal wire may be used;Or side by side using the smaller metal wire of multiply
It forms;It is understood that the metal wire upper surface is at least partly exposed, and it is close to a conduction in FPCB board bottoms portion respectively
Copper is moored, and is electrically connected with what conductive copper was moored to realize.Other structures and principle and Fig. 4 to Fig. 8 show the in the present embodiment
It is identical in one embodiment, herein without being described in detail.It is understood that in some other embodiments, the metallic conduction
Item can also have some other deformation.
Implement the embodiment of the present invention, has the advantages that:
First, the present invention is fixed with flexibility by being arranged at least two metal conductive strips in the FPCB plates of flexible LED rope light
Layer, can improve the mechanical strength of flexible LED rope light;
Simultaneously as at least two metal conductive strips upper surfaces are close to the conductive copper pool under FPCB plates respectively, it is equivalent to increase
Effective current carrying area, so as to it is single-ended enter electricity in the case of, make line drop smaller, to make flexible LED rope light
The length of continuous use is longer;
In addition, since the present invention is arranged in order and spaced FPCB plates using at least two, due to adjacent FPCB plates it
Between be provided with certain intervals, the buckle resistance of lamp bar can be improved, in bending, utmostly protect element on FPCB plates not
It is damaged.In addition, since each section of FPCB plate is independent, even if damage occurs in wherein one section of FPCB(Such as occur all
It is bent as light bar meets with mistake, the situation that distortion causes flexible PCB to be broken), the normal of other section of FPCB plate will not be influenced
Work.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.