CN207599406U - A kind of multilayer circuit board LED light strip - Google Patents
A kind of multilayer circuit board LED light strip Download PDFInfo
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- CN207599406U CN207599406U CN201721708783.4U CN201721708783U CN207599406U CN 207599406 U CN207599406 U CN 207599406U CN 201721708783 U CN201721708783 U CN 201721708783U CN 207599406 U CN207599406 U CN 207599406U
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- circuit board
- insulating layer
- power supply
- positive
- weld part
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Abstract
A kind of multilayer circuit board LED light strip, including circuit board, the LED of welding on circuit boards, wrap up the circuit board and the crust of LED, the circuit board includes lower insulating layer, and lower insulating layer is equipped with positive and negative power supply circuit, and setting is by middle insulating layer on positive and negative power supply circuit, middle insulating layer is equipped with main circuit, and insulating layer is provided on main circuit；The main circuit includes being arranged with multiple weld parts along circuit board length direction, each weld part includes being distributed in the positive and negative anodes welding position of width of circuit board direction both sides, it is connected in series between each weld part, it is electrically connected between the anode welding position of positive terminal weld part and cathode power supply circuit on predetermined length circuit board, the cathode welding position of negative pole end weld part is connect with negative power supply circuit, and the positive and negative anodes pin of the LED is respectively welded in the positive and negative anodes welding position；The upper insulating layer offers the first welding window in the corresponding positions of welding LED.
Description
Technical field
The utility model is related to a kind of LED illumination lamps, more particularly to a kind of multilayer circuit board LED light strip.
Background technology
Existing LED light strip, cross section are welded as shown in Figure 1, including multistage flexible PCB 01 on flexible PCB 01
There is LED02, wrap up the circuit board 01 and the core wire 03 of LED02, the corresponding position in 03 interior circuit board of core wire, 01 both sides is buried respectively
Equipped with circuit board 01 in conplane positive and negative polarity wire 04.Each section of flexible PCB 01 is individually connected to lead 05
The conducting wire 04 is formed between each section of circuit board 01 and is connected in parallel, and such LED light strip can be between arbitrary two sections of circuit boards 01
It cuts, power supply is connected at port to be used.But the LED light strip of this structure needs to use connecting line 05 and core wire
03 etc., complicated, technique is cumbersome, of high cost.
Invention content
For overcome the deficiencies in the prior art, the utility model provides a kind of simple in structure, simple process, low-cost
LED light bar.
Technological means is used by the utility model solves its technical problem：A kind of multilayer circuit board LED light strip, including
Circuit board welds LED on circuit boards, and the circuit board includes lower insulating layer, and lower insulating layer is equipped with positive and negative power supply electricity
Road, by middle insulating layer, middle insulating layer is equipped with main circuit, and insulation is provided on main circuit for setting on positive and negative power supply circuit
Layer；The main circuit includes being arranged with multiple weld parts along circuit board length direction, and each weld part includes being distributed in circuit board
The positive and negative anodes welding position of width direction both sides is connected in series between each weld part, positive terminal weld part on predetermined length circuit board
Anode welding position and cathode power supply circuit between be electrically connected, the cathode welding position of negative pole end weld part connects with negative power supply circuit
It connects, the positive and negative anodes pin of the LED is respectively welded in the positive and negative anodes welding position；The upper insulating layer is corresponded in welding LED
Position offer the first welding window.
The beneficial effects of the utility model are：Due to being provided with positive and negative power supply circuit on the circuit board of the utility model,
The LED light strip made of the utility model can be omitted conducting wire, the components such as lead and core wire and technique, simple in structure, technique
Simplicity, it is of low cost；The each weld part of the utility model includes being distributed in the positive and negative anodes weldering of width of circuit board direction both sides simultaneously
Position is connect, each weld part is connected in series with, and the positive and negative anodes pin of the LED is respectively welded in the positive and negative anodes welding position.In this way, this
Utility model welding LED can be protected for transverse weld, circuit board and finished product when being needed during production and transportation and coiling and be bent
It demonstrate,proves two pins of LED in the same plane, reduces stress, avoid by LED legs by drawing crack.
Description of the drawings
Fig. 1 is existing LED light strip structure diagram；
Fig. 2 is the utility model LED light strip broken section structure diagram；
Fig. 3 is Fig. 2A-A schematic cross-sectional views；
Fig. 4 is the structure diagram that the utility model circuit board forgives a series unit；
Fig. 5 is the partial enlarged view at Fig. 4 B；
Fig. 6 is the partial enlarged view at Fig. 4 C；
Fig. 7 is the structure diagram that the utility model circuit board attaches upper insulating layer；
Fig. 8 is the structure diagram that the utility model circuit board forgives multiple series units.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
With reference to Fig. 2 and Fig. 3, a kind of multilayer circuit board LED light strip including circuit board 1, welds LED2 on the circuit card 1,
Wrap up the circuit board and the crust 3 of LED.
The circuit board 1 includes lower insulating layer 11, and lower insulating layer 11 is positive and negative equipped with positive and negative power supply circuit 11a, 11b
By middle insulating layer 12, middle insulating layer 12 is equipped with main circuit 13, is provided on main circuit for setting on pole power circuit 11a, 11b
Insulating layer 14.Circuit board 1 is strip, and positive and negative power supply circuit 11a, 11b are along the extension of circuit board length direction and circuit board
11 substantially parallel strip copper sheets.Since the main circuit 13 and positive and negative power supply circuit 11a, 11b of the utility model are located at respectively
Different-thickness level, advantageously reduces 1 width dimensions of circuit board, and when batch production can simultaneously be arranged more electricity with width direction
Road plate 1, production efficiency is high, while circuit plate thickness increases, and is conducive to that circuit is protected to be not easy to be destroyed in process of production.
The main circuit 13 includes being arranged with multiple weld parts 4 along circuit board length direction, and each weld part 4 includes distribution
Positive and negative anodes welding position 4a, 4b in width of circuit board direction both sides.Positive and negative anodes welding position 4a, 4b is distributed across positive and negative power supply electricity
Right over road, the two section copper foils substantially parallel with positive and negative power supply circuit 11a, 11b have certain interval between two sections of copper foils,
It is formed and is electrically isolated.Positive and negative anodes pin 2a, 2b of the LED2 is respectively welded in positive and negative anodes welding position 4a, 4b.
Structural reference Fig. 4 is connected in series between each weld part 4, main circuit structure by transparent upper insulation 14 due to being covered
Lid, adopts and is represented by dashed line.The mode that is connected in series between adjacent solder portion 4 can be the anode welding position in previous weld part 4
The connecting portion 4c with two welding positions 4a, 4b one is formed between 4a and the cathode welding position 4b of latter weld part 4.Manufacturing method is
It when circuitous pattern is cut out in rolling, is designed by cutting die, the copper foil retained between two welding positions 41a, 4b refuses severing for connection status.
The mode that is connected in series between adjacent solder portion 4 is also designed to extend to two positive and negative anodes welding positions 4a, 4b from electricity in opposite directions
Plate 1 width direction observation portion in road is overlapped, and series welding socket part 41, transverse weld electric conductor such as series resistance are formed in lap
5 etc..For LED is protected not damaged by current fluctuation, the utility model be preferably between part weld part 4 by with the one bodily form
Into connecting portion 4c be connected in series with, be connected in series between part weld part 4 by welding series resistance 5.According to light bar lamp away from
It needs, a Series connection welding position 41 can be set at interval of 3 to 10 weld parts 4, and Series connection welding position 41 includes 1 width of circuit board
The anode Series connection welding position 41a of directional spreding and cathode Series connection welding position 41b, the positive and negative anodes of series resistance 5 are respectively welded at institute
It states on positive and negative anodes Series connection welding position 41a, 41b.The LED2 of the utility model width of circuit board direction the same side and the polarity of resistance 5
It is identical, convenient for machine automatic blanking and positioning.
With reference to figure 5 and Fig. 6, the anode welding position 4a of positive terminal weld part 4 and cathode power supply are electric on predetermined length circuit board 1
It is electrically connected between the 11a of road, the cathode welding position 4b of negative pole end weld part 4 is connect with negative power supply circuit 11b.LED is supplied for direct current
Electricity, the positive terminal flow into end for electric current, and negative pole end is electric current outflow end, and the predetermined length of the utility model can be 2 to 80
A LED light away from.The anode welding position 4a of positive terminal weld part 4 passes through middle insulating layer 12 by electric conductor 6a on the predetermined length
It is electrically connected with cathode power supply circuit 11a, as shown in Figure 6；The cathode welding position 4b of the weld part 4 of the predetermined length other end leads to
It crosses the first electric conductor 6a to be electrically connected with cathode power supply circuit 11a across middle insulating layer 12, as shown in Figure 5.First electric conductor 6a,
6b can be conducting wire or the completion of the built-up welding simultaneously tin cream in the technique of welding LED.In this way by positive and negative power supply conducting wire
11a, 11b connect external power supply, and a complete LED series unit is just formed in the first electric conductor 6a and 6b.As shown in figure 8,
Indefinite extension is continuous between the utility model can be connected in multiple identical series units in parallel two power circuit 11a, 11b
Production, production efficiency is high, and after the shear line 8 between arbitrary two series-connection power supplies is sheared, each series unit is still connected, connection
External power supply can be used.
To connect power supply after light bar is made to be sheared by predetermined length conveniently, 1 anode of circuit board of the utility model predetermined length
It holds the cathode welding position 4b of weld part 4 outer and cathode welding position 4b is electrically isolated ground the second electric conductor 61b of setting and negative power supply electricity
Road 11b connections, as shown in fig. 6, only the first electric conductor 6a and the second electric conductor can be connected in positive terminal external power supply in this way
61b can just make series unit current lead-through.Further, it is welded outside the anode welding position 4a of negative pole end weld part 4 with cathode
Position 4a is also provided with and leads the second electricity body 61a and connect with negative power supply circuit 11a with being electrically isolated, as shown in Figure 5.In this way, light bar is at this
After the shearing of precalculated position, the first electric conductor 6a and the 2nd 61b of external positive-negative power connection positive terminal or the first of negative pole end are led
Electric 6b can be connected with the second electric conductor 61a, and electrical connection is more convenient.It further, can also be by first electric conductor 6a, 6b and
Two electric conductor 61a, 61b are set as protruding from circuit board 11, when external power supply is connect with circuit board 11, can increase identification and
The tight ness rating of electrical connection is electrically connected more convenient reliable.
The utility model LED and various resistance are welded along light bar width direction so that circuit board 1 and finished product are producing
During with coiling bending in transportational process, two solder joints of LED and various resistance in the same plane, reduce stress, avoid by solder joint
By drawing crack.Meanwhile various welding positions be all along circuit board 11 length direction extension, using machine automatic aligning, welding when, i.e.,
Make LED and/or resistance spacing that can also be welded there are certain error and form good electrical connection, the precision for reducing machine will
It asks and improves finished product yield.
With reference to figure 7, the upper insulating layer 14 offers the first welding window 141 in the corresponding positions of welding LED2, is welding
The position for connecing series resistance 5 offers the second welding window 142, and the upper insulating layer corresponds to first electric conductor 6a, 6b and second
Third welding window 143 is offered on the position of electric conductor 61a, 61b.Other do not open up the position of window by upper insulating layer 12
Covering protection so that other short circuits will not be caused during welding relative electronic components or be destroyed.
Finally, the manufacturing method of the utility model is briefly introduced：Press scheduled spacing on lower insulating layer 11 in advance first
It arranges and pastes power circuit 11a, 11b；The method cut again using machinery is cut out the copper foil for being pasted with middle insulating layer 12 on one side
Cut the figure of each weld part 4；Then the upper exhausted layer 14 for having opened up welding window 141/142/143 is pasted to middle insulating layer 12
Figure side with each weld part 4；Again by the welding window 141/142/143 on upper insulating layer 12 by LED and various resistance
It is welded on weld part 4；Finally hot melt colloid is squeezed out with extruder to be wrapped in outside the circuit board 1 that LED2 is welded, formed outer
Skin 3.It is environment friendly and pollution-free not using etch process since the circuit layer of the utility model produces in a manner that machinery is cut；
The utility model omits conducting wire of the prior art, the components such as lead and core wire and related process simultaneously, simple in structure, technique letter
Just, it is of low cost.
Claims (6)
1. a kind of multilayer circuit board LED light strip including circuit board, welds LED on circuit boards, it is characterised in that：The electricity
Road plate includes lower insulating layer, and lower insulating layer is equipped with positive and negative power supply circuit, is set on positive and negative power supply circuit by middle insulating layer,
Middle insulating layer is equipped with main circuit, and insulating layer is provided on main circuit；The main circuit includes arranging along circuit board length direction
Show multiple weld parts, weld part includes being distributed in the positive and negative anodes welding position of width of circuit board direction both sides, between each weld part
It is connected in series with, is electrically connected between the anode welding position of positive terminal weld part and cathode power supply circuit on predetermined length circuit board, born
The cathode welding position of extreme weld part is connect with negative power supply circuit, the positive and negative anodes pin of the LED be respectively welded at it is described just
In cathode welding position；The upper insulating layer offers the first welding window in the corresponding positions of welding LED.
2. a kind of multilayer circuit board LED light strip according to claim 1, it is characterised in that：Pass through between the weld part of part
It is connected in series with the connecting portion that welding position is integrally formed, is connected in series between the weld part of part by welding series resistance, it is described
The corresponding upper insulating layer in series resistance position offers the second welding window.
3. a kind of multilayer circuit board LED light strip according to claim 1, it is characterised in that：The predetermined length circuit board
The anode welding position of upper positive terminal weld part is electrically connected by the first electric conductor across middle insulating layer with cathode power supply circuit, cathode
The cathode welding position of end weld part is electrically connected by the first electric conductor across middle insulating layer with negative power supply circuit.
4. a kind of multilayer circuit board LED light strip according to claim 3, it is characterised in that：The positive terminal also sets up
Two electric conductors are connect with negative power supply circuit.
5. a kind of multilayer circuit board LED light strip according to claim 4, it is characterised in that：The negative pole end, which is also set up, leads
Second electric body is connect with cathode power supply circuit.
6. a kind of multilayer circuit board LED light strip according to claim 5, it is characterised in that：First electric conductor and
Two electric conductors protrude from circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708783.4U CN207599406U (en) | 2017-12-07 | 2017-12-07 | A kind of multilayer circuit board LED light strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708783.4U CN207599406U (en) | 2017-12-07 | 2017-12-07 | A kind of multilayer circuit board LED light strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207599406U true CN207599406U (en) | 2018-07-10 |
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ID=62763889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721708783.4U Active CN207599406U (en) | 2017-12-07 | 2017-12-07 | A kind of multilayer circuit board LED light strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207599406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325175A (en) * | 2020-10-26 | 2021-02-05 | 江门市光美时代照明有限公司 | Manufacturing method of light-emitting lamp strip |
-
2017
- 2017-12-07 CN CN201721708783.4U patent/CN207599406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325175A (en) * | 2020-10-26 | 2021-02-05 | 江门市光美时代照明有限公司 | Manufacturing method of light-emitting lamp strip |
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