阅读说明：本技术 一种带整流桥的柔性led灯带 (Flexible LED lamp strip with rectifier bridge ) 是由 汪玉莲 于 2021-06-28 设计创作，主要内容包括：本发明公开了一种带整流桥的柔性LED灯带,包括透明护套(2)和安装在透明护套(2)内的柔性线路板组件(1),所述柔性线路板组件(1)集成有若干直线排列的独立工作的LED照明单元(100),所述柔性线路板组件(1)的端部直接接入市电交流输入,每一个LED照明单元(100)包括整流桥堆DB1、滤波电容C、若干LED灯珠D和若干电阻R,市电交流输入经过整流桥堆DB1的整流和滤波电容C的滤波出来输出直流电源,若干LED灯珠D和若干电阻R按一定的排列串联起来后连接到直流电源,它有效滤除频闪现象,结构布局合理简单,容易实现,不分正负极,不分头尾,接线方便,不易出错,头尾亮度均匀一致。(The invention discloses a flexible LED lamp strip with a rectifier bridge, which comprises a transparent sheath (2) and a flexible circuit board assembly (1) arranged in the transparent sheath (2), wherein the flexible circuit board assembly (1) is integrated with a plurality of linearly arranged LED lighting units (100) which work independently, the end part of the flexible circuit board assembly (1) is directly connected with commercial power alternating current input, each LED lighting unit (100) comprises a rectifier bridge stack DB1, a filter capacitor C, a plurality of LED lamp beads D and a plurality of resistors R, the commercial power alternating current input is rectified by a rectifier bridge stack DB1 and filtered by the filter capacitor C to output a direct current power supply, the LED lamp beads D and the resistors R are connected in series according to a certain arrangement and then connected to the direct current power supply, the flexible LED lamp strip effectively filters the stroboscopic phenomenon, has reasonable and simple structural layout, is easy to realize, does not divide positive and negative poles, does not divide heads and tails, and is convenient to wire, the error is not easy to occur, and the head and tail brightness is uniform.)

1. The utility model provides a take flexible LED lamp area of rectifier bridge, includes transparent sheath (2) and installs flexible wiring board subassembly (1) in transparent sheath (2), flexible wiring board subassembly (1) integration has a plurality of sharp independent work's LED lighting unit (100), and each LED lighting unit (100) occupy flexible wiring board subassembly (1) one section, its characterized in that: the utility model discloses a LED lighting system, including flexible wiring board subassembly (1), each LED lighting unit (100) includes rectifier bridge heap DB1, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R, and the output DC power supply is come out to the rectification of rectifier bridge heap DB1 and filter capacitor C's of commercial power alternating current input, and a plurality of LED lamp pearl D and a plurality of resistance R are connected to DC power supply after getting up according to certain range series connection.

2. The flexible LED lamp strip with the rectifier bridge of claim 1, wherein: the LED lamp beads D and the resistors R are connected in series according to a certain arrangement, namely: 2 LED lamp pearl D connects together in parallel and forms a unit cluster (16), and a resistance R is connected in series between unit cluster (16) and the unit cluster (16).

3. The flexible LED lamp strip with the rectifier bridge as claimed in claim 2, wherein: the cell string (16) has 30 strings, and the number of the resistors R is 28.

4. A flexible LED strip with rectifier bridge according to claim 1, 2 or 3, characterized in that: flexible wiring board subassembly (1) is solder mask (11) including being from the top to the bottom in proper order, circuit board layer (12), first insulating film (13), electrode layer (14) and basement membrane (15), rectifier bridge pile DB1, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R are located solder mask (11), wherein a plurality of LED lamp pearl D and a plurality of resistance R are connected with circuit board layer (12) electricity, rectifier bridge pile DB 1's pin is connected with electrode layer (14) electricity, filter capacitor C's both ends are connected with electrode layer (14) and circuit board layer (12) electricity respectively.

5. A flexible LED strip with rectifier bridge according to claim 4, characterized in that: the rectifier bridge stack DB1 is arranged at the end part of the LED lighting unit (100), and the filter capacitor C is arranged in the middle part of the LED lighting unit (100).

6. A flexible LED strip with rectifier bridge according to claim 5, characterized in that: set up first banded copper foil body (17) in electrode layer (14), second banded copper foil body (18) and the electrically conductive banded copper foil body of electric capacity (19), first banded copper foil body (17), second banded copper foil body (18) are located both sides respectively, the electrically conductive banded copper foil body of electric capacity (19) are located between first banded copper foil body (17) and second banded copper foil body (18), first banded copper foil body (17) and second banded copper foil body (18) run through whole LED lighting unit (100) of section, electrically conductive banded copper foil body of electric capacity (19) extend to the middle part from the tip of LED lighting unit (100), first banded copper foil body (17) and second banded copper foil body (18) are connected with commercial power alternating current input's N line and L line respectively and are formed two and are exchanged input electrode.

7. A flexible LED strip with rectifier bridge according to claim 6, characterized in that: circuit board layer (12) include a plurality of independent copper foil piece (121) of keeping apart and the banded copper foil body of DC power supply negative pole (122), a plurality of independent copper foil piece (121) of keeping apart insert copper foil piece (121a) and a plurality of LED that are located power access copper foil piece (121a) rear insert copper foil piece (121b) including a plurality of powers that are located the tip, a plurality of LED insert copper foil piece (121b) divide into two rows and the interval layout of staggering, a plurality of LED lamp pearls and a plurality of ohmic connection insert copper foil piece (121b) at different LED, the banded copper foil body of DC power supply negative pole (122) are in one side of two rows of LED access copper foil pieces (121b) side by side.

8. A flexible LED strip with rectifier bridge according to claim 7, characterized in that: the power supply access copper foil blocks (121a) are respectively connected with an N line and an L line of alternating current input of a mains supply and two input pins of the rectifier bridge stack DB1, and two output pins of the rectifier bridge stack DB1 are respectively connected with one of the LED access copper foil blocks (121b) and the strip-shaped copper foil body (122) of the negative electrode of the direct current power supply.

9. The flexible LED strip with rectifier bridge of claim 8, wherein: the LED lighting device is characterized in that a circuit board layer (12) in the middle of an LED lighting unit (100) is provided with a transition copper foil body (126) connected with a capacitor, one pin of a filter capacitor C is electrically connected with the transition copper foil body (126) connected with the capacitor, the other pin of the filter capacitor C is electrically connected with a direct-current power supply negative electrode strip-shaped copper foil body (122), the transition copper foil body (126) connected with the capacitor is electrically connected with one end of a capacitor conductive strip-shaped copper foil body (19) in an electrode layer (14) through a through hole (127) in a welding mode, and the other end of the capacitor conductive strip-shaped copper foil body (19) in the electrode layer (14) is electrically connected with one LED access copper foil block (121b) in the electrode layer (14) through a through hole (128) in a welding mode.

Technical Field

The invention relates to a flexible LED lamp strip with a rectifier bridge.

Background

As shown in fig. 1, 2 and 3, a flexible LED strip 3 sold in the existing market needs to be matched with a power supply assembly, the power supply assembly includes a bridge rectifier 2 and a power plug 1, the power plug 1 is inserted into a socket to obtain a commercial power alternating current 220V AC power, the commercial power alternating current 220V AC is rectified by the bridge rectifier 2 and then outputs a direct current for the flexible LED strip 3 to use, the flexible LED strip 3 mainly includes a transparent sheath a and a double-layer flexible circuit board G installed in the transparent sheath a, the double-layer flexible circuit board G includes an upper circuit board layer H and a lower circuit board layer J, the copper foil block F is arranged in the upper circuit layer H, the electronic element D is connected with the copper foil block F through welding to form an electronic loop, and the lower circuit layer J is provided with two parallel copper foil strips K serving as a positive electrode and a negative electrode of power supply input, and the two copper foil strips K are respectively connected with copper foil blocks F positioned at two ends of the electronic circuit. This structural disadvantage: 1) the flexible LED lamp strip 3 needs to be divided into a positive electrode, a negative electrode, a head and a tail to be connected with a power supply assembly, is easy to connect wrong wires and is inconvenient to use; 2) the power supply assembly must be provided with a rectifier bridge stack; 3) when the lamp strip is long and is provided with a plurality of LED illuminating units, the head and tail brightness is different.

In view of this: some manufacturers directly integrate the rectifier bridge stack into a double-layer flexible circuit board of the flexible LED strip, and see patent No. CN201920040274 with the name: the invention discloses a novel LED lamp strip, but the lamp strips are not provided with a filter capacitor, because if the novel LED lamp strip is provided with the filter capacitor, the structural layout of a circuit board is very complicated, and the stroboscopic phenomenon of the lamp strip is caused.

Disclosure of Invention

The invention aims to provide a flexible LED lamp strip with a rectifier bridge, which is used for solving the problem of stroboscopic phenomenon caused by the fact that the flexible LED lamp strip with the rectifier bridge does not have a filter capacitor in the prior art.

The invention further aims to provide a flexible LED lamp strip with a rectifier bridge, which is used for solving the technical problem of complex circuit layout when the flexible LED lamp strip with the rectifier bridge is provided with a filter capacitor in the prior art.

The technical scheme of the invention is realized as follows:

the utility model provides a take flexible LED lamp area of rectifier bridge, includes transparent sheath and installs the flexible line way board subassembly in transparent sheath, the flexible line way board subassembly integration has the LED lighting unit of the independent work of a plurality of inline, and each LED lighting unit occupies flexible line way board subassembly one section, its characterized in that: the utility model discloses a LED lighting lamp, including flexible wiring board subassembly, LED lighting unit, rectifier bridge heap DB1, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R, the utility power is exchanged input and is come out output DC power supply through rectifier bridge heap DB1, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R, and a plurality of LED lamp pearl D and a plurality of resistance R are connected to DC power supply after getting up according to certain range series connection.

The above-mentioned a plurality of LED lamp pearl D and a plurality of resistance R according to certain range series connection mean: 2 LED lamp pearl D connects together in parallel and forms a unit cluster, and a resistance R is connected in series between unit cluster and the unit cluster.

The cell string described above has 30 strings, and the number of resistors R is 28.

Foretell flexible line way board assembly includes from the top to the bottom and is the solder mask in proper order, circuit board layer, first insulating film, electrode layer and basement membrane, rectifier bridge heap DB1, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R are located the solder mask, wherein a plurality of LED lamp pearl D and a plurality of resistance R are connected with circuit board layer electricity, rectifier bridge heap DB 1's pin is connected with the electrode layer electricity, filter capacitor C's both ends are connected with electrode layer and circuit board layer electricity respectively.

The rectifier bridge stack DB1 is arranged at the end of the LED lighting unit, and the filter capacitor C is arranged in the middle of the LED lighting unit.

Set up the first banded copper foil body in foretell electrode layer, the second banded copper foil body and the electrically conductive banded copper foil body of electric capacity, the first banded copper foil body, the second banded copper foil body is located both sides respectively, the electrically conductive banded copper foil body of electric capacity is located between first banded copper foil body and the second banded copper foil body, the whole LED lighting unit of section is run through to first banded copper foil body and second banded copper foil body, the electrically conductive banded copper foil body of electric capacity extends to the middle part from LED lighting unit's tip, first banded copper foil body and second banded copper foil body form two and exchange input electrode with the N line and the L line connection of commercial power interchange input respectively.

The circuit board layer comprises a plurality of independent isolated copper foil blocks and a plurality of direct-current power supply negative strip-shaped copper foil bodies, the plurality of independent isolated copper foil blocks comprise a plurality of power supply access copper foil blocks positioned at the end parts and a plurality of LEDs positioned at the rear parts of the power supply access copper foil blocks, the plurality of LEDs are connected into the copper foil blocks to be divided into two lines and staggered at intervals, a plurality of LED lamp beads and a plurality of resistors are connected into the copper foil blocks at different LEDs, and the direct-current power supply negative strip-shaped copper foil bodies are arranged on one side of the two lines of LEDs connected into the copper foil blocks.

The power supply access copper foil blocks are respectively connected with an N line and an L line of alternating current input of a mains supply and two input pins of the rectifier bridge stack DB1, and two output pins of the rectifier bridge stack DB1 are respectively connected with one of the LED access copper foil blocks and the direct current power supply negative electrode strip-shaped copper foil body.

The circuit board layer in the middle of the LED lighting unit is provided with a capacitor-connected excessive copper foil body, one pin of the filter capacitor C is electrically connected with the capacitor-connected excessive copper foil body, the other pin of the filter capacitor C is electrically connected with the DC power supply negative electrode strip-shaped copper foil body, the capacitor-connected excessive copper foil body is electrically connected with one end of the capacitor conductive strip-shaped copper foil body in the electrode layer through hole welding, and the other end of the capacitor conductive strip-shaped copper foil body in the electrode layer is electrically connected with one of the LED access copper foil blocks in the electrode layer through hole welding.

Compared with the prior art, the flexible LED lamp strip has the following advantages:

1. the flexible LED lamp strip with the rectifier bridge is provided with a filter capacitor, so that the stroboscopic phenomenon is effectively filtered;

2. the rectifier bridge is arranged at the end part, the filter capacitor is arranged at the middle part, and the structure layout is reasonable and simple and is easy to realize.

3. The two ends of the flexible LED lamp strip with the rectifier bridge can be in butt joint with an alternating current input power supply, the anode and the cathode are not distinguished, the head and the tail are not distinguished, wiring is convenient, and mistakes are not easy to occur.

4. No matter how many LED lighting units are arranged in the flexible LED lamp strip with the rectifier bridge, the head and tail brightness is uniform.

Drawings

Fig. 1 is a schematic structural view of a prior art flexible LED strip;

FIG. 2 is a corresponding circuit diagram of FIG. 1;

fig. 3 is a schematic structural diagram of a flexible LED strip in the prior art;

fig. 4 is a schematic structural diagram of the flexible LED strip with a rectifier bridge according to the present invention;

FIG. 5 is a circuit diagram corresponding to FIG. 4

FIG. 6 is a corresponding circuit diagram of one of the LED lighting units of FIG. 5;

fig. 7 is a corresponding exploded view of one LED lighting unit in the flexible LED strip with rectifier bridge according to the present invention;

fig. 8 is an exploded view of an LED lighting unit of a flexible circuit board assembly according to an embodiment of the present invention.

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8;

FIG. 10 is a partial end view of a circuit board layer according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a circuit board layer according to an embodiment of the present invention;

fig. 12 is a partial schematic view of fig. 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 4 to 8, the present embodiment provides a flexible LED strip with a rectifier bridge, including a transparent sheath 2 and a flexible circuit board assembly 1 installed in the transparent sheath 2, where the flexible circuit board assembly 1 integrates a plurality of LED lighting units 100 arranged in a straight line and working independently, and each LED lighting unit 100 occupies a section of the flexible circuit board assembly 1, and the section is generally 1 meter in 1 on the market, and 1 meter is used as one lighting unit 100, and can be cut off by scissors for use, or cut off by several meters for use (including several lighting units 100), according to the needs of customers. A plurality of electronic components 10 are arranged on the flexible circuit board assembly 1, and the plurality of electronic components 10 comprise a rectifier bridge stack DB, a filter capacitor C, a plurality of LED lamp beads D and a plurality of resistors R, which are shown in figure 6. The utility model discloses a flexible circuit board subassembly 1, including flexible circuit board subassembly 1, each LED lighting unit 100 includes rectifier bridge pile DB, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R, and the rectifier bridge pile DB 1's rectification and filter capacitor C's filtering come out output DC power supply through the rectifier bridge of commercial power alternating current input, and a plurality of LED lamp pearl D and a plurality of resistance R are connected to DC power supply after getting up according to certain range series connection.

As shown in fig. 7, the arrangement of the plurality of LED beads D and the plurality of resistors R in series means that: 2 LED lamp pearl D connect in parallel and form a unit cluster 16, and a resistance R is connected in series between unit cluster 16 and the unit cluster 16. The cell string 16 has 30 strings, and the number of the resistors R is 28.

The invention has the following advantages: 1. the flexible LED lamp strip with the rectifier bridge is provided with a filter capacitor, so that the stroboscopic phenomenon is effectively filtered; 2. the rectifier bridge is arranged at the end part, the filter capacitor is arranged in the middle part, and the structural layout is reasonable and simple and is easy to realize; 3. both ends of the flexible LED lamp strip with the rectifier bridge can be butted with an alternating current input power supply, the anode and the cathode are not separated, the head and the tail are not separated, the wiring is convenient, and errors are not easy to occur; 4. no matter how many LED lighting units 100 are carried in the flexible LED strip with the rectifier bridge, the head and tail brightness is uniform.

As shown in fig. 8, flexible circuit board assembly 1 includes from top to bottom in proper order is solder mask 11, circuit board layer 12, first insulating film 13, electrode layer 14 and basement membrane 15, rectifier bridge stack DB1, filter capacitor C, a plurality of LED lamp pearl D and a plurality of resistance R are located solder mask 11, wherein a plurality of LED lamp pearl D and a plurality of resistance R are connected with circuit board layer 12 electricity, rectifier bridge stack DB 1's pin is connected with electrode layer 14 electricity respectively, filter capacitor C's both ends are connected with electrode layer 14 and circuit board layer 12 electricity respectively, the overall arrangement is simple reasonable, realize easily and batch production.

The rectifier bridge stack DB1 is arranged at the end of the LED lighting unit 100, the filter capacitor C is arranged in the middle of the LED lighting unit 100, and the LED lighting unit is reasonable in layout and easy to produce.

As shown in fig. 9, a first strip-shaped copper foil body 17, a second strip-shaped copper foil body 18 and a capacitive conductive strip-shaped copper foil body 19 are disposed in the electrode layer 14, the first strip-shaped copper foil body 17 and the second strip-shaped copper foil body 18 are respectively located at two sides, the capacitive conductive strip-shaped copper foil body 19 is located between the first strip-shaped copper foil body 17 and the second strip-shaped copper foil body 18, the first strip-shaped copper foil body 17 and the second strip-shaped copper foil body 18 penetrate through the whole LED lighting unit 100, the capacitive conductive strip-shaped copper foil body 19 extends from the end to the middle of the LED lighting unit 100, and the first strip-shaped copper foil body 17 and the second strip-shaped copper foil body 18 are respectively connected with an N line and an L line of a mains supply ac input to form two ac input electrodes. The capacitor conductive strip copper foil body 19 facilitates the electrical connection of the filter capacitor C to other components.

As shown in fig. 9 and 10, the circuit board layer 12 includes a plurality of independent isolated copper foil blocks 121 and a dc power negative strip-shaped copper foil body 122, the plurality of independent isolated copper foil blocks 121 include a plurality of power access copper foil blocks 121a located at the end and a plurality of LED access copper foil blocks 121b located behind the power access copper foil blocks 121a, the plurality of LED access copper foil blocks 121b are divided into two rows and staggered at intervals, a plurality of LED lamp beads and a plurality of resistors are connected to different LED access copper foil blocks 121b, the dc power negative strip-shaped copper foil body 122 is arranged on one side of the two rows of LED access copper foil blocks 121b side by side, in the figure, the bonding pads 123 are welded on the plurality of power access copper foil blocks 121a, and a plurality of LED lamp beads D and a plurality of resistors R are electrically connected between the two bonding pads 123. Simple structure and reasonable layout.

As shown in fig. 10, a plurality of power supply access copper foil blocks 121a are respectively connected with an N-line and an L-line of the ac input of the utility power and two input pins 124 of the rectifier bridge DB1, and two output pins 125 of the rectifier bridge DB1 are respectively connected with one of the LED access copper foil blocks 121b and the dc power supply negative electrode strip-shaped copper foil body 122. Simple structure, and convenient and easy welding.

As shown in fig. 11 and 12, a capacitor-connected transition copper foil body 126 is disposed on the circuit board layer 12 in the middle of the LED lighting unit 100, one pin of the filter capacitor C is electrically connected to the capacitor-connected transition copper foil body 126, the other pin of the filter capacitor C is electrically connected to the dc power supply negative strip copper foil body 122, the capacitor-connected transition copper foil body 126 is electrically connected to one end of the capacitor conductive strip copper foil body 19 in the electrode layer 14 by a through hole 127, and the other end of the capacitor conductive strip copper foil body 19 in the electrode layer 14 is electrically connected to one LED access copper foil block 121b in the electrode layer 14 by a through hole 128. One pin of the filter capacitor C is electrically connected to the transition copper foil body 126 through a first capacitor pad 1261, and the other pin of the filter capacitor C is electrically connected to the dc power supply negative electrode strip-shaped copper foil body 122 through a second capacitor pad 1262. The excessive copper foil body 126 is welded at one end of the capacitance conductive strip-shaped copper foil body 19 in the electrode layer 14 by using the through hole 127; the other end of the capacitor conductive strip-shaped copper foil body 19 in the electrode layer 14 is welded on one LED access copper foil block 121b of the circuit board layer 12 through the through hole 128. Simple structure and easy realization.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.