CN214481482U - Short unit power-free high-voltage flexible circuit board and lamp strip thereof - Google Patents
Short unit power-free high-voltage flexible circuit board and lamp strip thereof Download PDFInfo
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- CN214481482U CN214481482U CN202121004795.5U CN202121004795U CN214481482U CN 214481482 U CN214481482 U CN 214481482U CN 202121004795 U CN202121004795 U CN 202121004795U CN 214481482 U CN214481482 U CN 214481482U
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Abstract
The utility model relates to a lamp area field, more specifically relates to a short unit exempts from power high voltage flexible line way board and lamp area thereof. The utility model provides a power high pressure flexible line way board is exempted from to short unit, from the top down has set gradually top conducting layer, basic unit and bottom conducting layer, the top conducting layer includes a plurality of wiring module, rectifier bridge module, conductive module and IC module, a plurality of wiring module is arranged along flexible line way board length direction equidistance, is provided with rectifier bridge module, IC module and the conductive module of mutual embedding between per two adjacent wiring modules. The flexible circuit board does not need to be provided with a direct current power supply, can be directly connected with 220V alternating current by a power plug during use, is convenient to connect with electricity, and easily hides a power line during installation, so that the flexible circuit board is more attractive in occasions and can be applied to occasions such as cabinets.
Description
Technical Field
The utility model relates to a lamp area field, more specifically relates to a short unit exempts from power high voltage flexible line way board and lamp area thereof.
Background
The lamp strip is characterized in that lamp beads and/or resistors are assembled on a strip-shaped flexible circuit board or a PCB hard board, and the product is named as a strip because the product is shaped like a strip. Because the service life is long (the normal service life is 8 to 10 ten thousand hours generally), the energy is saved, the environment is protected, and the corner is exposed gradually in various decoration industries.
Original paper such as lamp pearl, resistance, electric capacity generally all have the leg, with the leg welding on the pad of flexible line way board, after lamp area input voltage, lamp pearl, resistance or electric capacity in the lamp area can be switched on to the electric current for the lamp area can normally work. The resistor installed on the lamp strip can play a role in voltage division.
In the prior art, many lamp belts can not directly use the domestic alternating current of plug access 220V, need set up the power in addition for be difficult to hide power and power cord when installing the lamp belt, also be convenient for connect the electricity. And the density of the conductive units on the surface of the flexible circuit board is lower, so that the area utilization rate of the flexible circuit board is low. Meanwhile, the lamp strip is long in length and difficult to be applied to various occasions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's at least one defect (not enough), provide a short unit and exempt from power high pressure flexible line way board and lamp area for the solution is difficult to hide the power cord when being used for solving installation lamp area, is not convenient for connect the technical problem of electricity.
The utility model provides a short-unit power-free high-voltage flexible circuit board, which is sequentially provided with a top conducting layer, a base layer and a bottom conducting layer from top to bottom, wherein the top conducting layer comprises a plurality of wiring modules, a rectifier bridge module, a conducting module and an IC module, the plurality of wiring modules are arranged at equal intervals along the length direction of the flexible circuit board, the rectifier bridge module, the IC module and the conducting module which are embedded into each other are arranged between every two adjacent wiring modules,
the rectifier bridge module is provided with a plurality of rectifier bridge pads and lamp bead pads and/or resistance pads, the conductive module is provided with a plurality of lamp bead pads and resistance pads, the IC module is provided with a plurality of IC pads, lamp bead pads and resistance pads, the lamp bead pads arranged on the rectifier bridge module are opposite to the lamp bead pads arranged on the conductive module in pairs, the lamp bead pads arranged on the IC module are opposite to the lamp bead pads on the conductive unit in pairs,
the distance between two adjacent wiring modules of the flexible circuit board is 100-300 mm.
The conductive module is used for installing lamp beads and/or resistors, the rectifier bridge module is used for installing a rectifier bridge, and the IC module is used for installing an IC chip.
The lamp beads arranged on the flexible circuit board are LED lamp beads which can only normally work under the condition of direct current. If the LED lamp pearl is directly switched on through 220V's alternating current, will lead to the lamp pearl to harm unable work, so flexible line way board should insert the direct current or through rectifier bridge with 220V's alternating current conversion to direct current.
And a rectifier bridge bonding pad on the rectifier bridge module is used for mounting a rectifier bridge, and the rectifier bridge is provided with a positive electrode and a negative electrode. The rectifier bridge module is connected with the conductive module through lamp beads and/or resistors, the lamp beads and/or the resistors are installed on two lamp bead bonding pads and/or resistor bonding pads opposite in position, one of the lamp bead bonding pads and/or the resistor bonding pads is arranged on the rectifier bridge module, and the other lamp bead bonding pad and/or the resistor bonding pad is arranged on the lamp bead bonding pad and/or the resistor bonding pad on the conductive module. The IC module is used for installing an IC chip, and the IC chip can improve the light conversion efficiency. The IC module is connected with the conductive module through lamp beads, the lamp beads are installed on two lamp bead bonding pads opposite in position, one of the lamp bead bonding pads is arranged on the IC module, and the other lamp bead bonding pad is arranged on the conductive module.
The flexible circuit board can be externally connected with 220V alternating current and input into a rectifier bridge on the rectifier bridge module, and the rectifier bridge arranged on the rectifier bridge module converts the alternating current into direct current, and then the direct current is output to the conductive module and the IC module from the anode of the rectifier bridge and then flows into the cathode of the rectifier bridge to form a current loop. Alternating current input into the flexible circuit board is converted into direct current through the rectifier bridge, and the conductive module is conducted through the lamp beads and/or the resistors connected with the rectifier bridge module and the conductive module, so that the lamp beads arranged on the conductive module emit light.
The flexible circuit board does not need to be provided with a direct current power supply, and can be directly connected with 220V alternating current through a power plug during use, so that the power connection is convenient. Meanwhile, the flexible circuit board is not required to be provided with a power supply, and only needs to be connected with household alternating current through a power line and a power plug connected with the power line, so that the power line is easily hidden during installation, the installation is more attractive in occasions of the flexible circuit board, and the flexible circuit board can be applied to occasions such as cabinets.
The rectifier bridge module, the conductive module and the IC module are embedded into each other, so that the area utilization rate of the flexible circuit board is improved, more lamp beads can be mounted on the flexible circuit board in unit area, and the length and the width of the flexible circuit board are reduced.
The flexible circuit board can be cut on the wiring module to obtain the flexible circuit board unit with required length, and the distance between two adjacent wiring modules is 100mm to 300mm, so that the length of the flexible circuit board waiting for cutting is shorter, and the flexible circuit board unit suitable for short units on various occasions is obtained.
Further, the bottom conducting layer comprises a positive conducting unit and a negative conducting unit which are arranged along the width direction of the flexible circuit board.
Furthermore, the wiring module comprises two wiring units arranged along the width direction of the flexible circuit board, each wiring unit is provided with two wiring pads arranged along the length direction of the flexible circuit board, the wiring pads respectively arranged on the two wiring units are opposite to each other in position along the width direction of the flexible circuit board,
two wiring pads on one wiring unit penetrate through the base layer and are communicated with the positive electrode conductive unit of the bottom conductive layer, and two wiring pads on the other wiring unit penetrate through the base layer and are communicated with the negative electrode conductive unit of the bottom conductive layer.
Four wiring pads arranged on the same wiring module are arranged in two rows and two columns.
Two wiring units on the same wiring module are respectively connected with the positive electrode conductive unit and the negative electrode conductive unit in parallel through wiring pads communicated with the bottom conductive layer, and the bottom conductive layer is conducted after the wiring module is connected with 220V alternating current household electricity.
Furthermore, the rectifier bridge module comprises a first type rectifier bridge conductive unit, a second type rectifier bridge conductive unit, a third type rectifier bridge conductive unit and a rectifier bridge bonding pad arranged on the base layer;
the first type of rectifier bridge conductive units and the second type of rectifier bridge conductive units are sequentially arranged along the length direction of the flexible circuit board, the first type of rectifier bridge conductive units and the third type of rectifier bridge conductive units are sequentially arranged along the width direction of the flexible circuit board, the second type of rectifier bridge conductive units and rectifier bridge bonding pads arranged on the base layer are sequentially arranged along the width direction of the flexible circuit board, and the third type of rectifier bridge conductive units and rectifier bridge bonding pads arranged on the base layer are sequentially arranged along the length direction of the flexible circuit board;
the first type rectifier bridge conductive unit, the second type rectifier bridge conductive unit and the third type rectifier bridge conductive unit are all provided with a rectifier bridge pad, the rectifier bridge pad on the first type rectifier bridge conductive unit is adjacent to the rectifier bridge pad on the second type rectifier bridge conductive unit along the length direction of the flexible circuit board, the rectifier bridge pad on the first type rectifier bridge conductive unit is opposite to the rectifier bridge pad on the third type rectifier bridge conductive unit along the width direction of the flexible circuit board,
the rectifier bridge bonding pad arranged on the base layer is adjacent to the rectifier bridge bonding pad arranged on the third type of rectifier bridge conductive unit along the length direction of the flexible circuit board,
the first type rectifier bridge conductive unit and the third type rectifier bridge conductive unit are also provided with lamp bead pads, the lamp bead pads arranged on the first type rectifier bridge conductive unit and the third type rectifier bridge conductive unit are opposite to the lamp bead pads on the conductive module in pairs,
the rectifier bridge bonding pad on the second type of rectifier bridge conductive unit penetrates through the base layer and is communicated with the positive electrode conductive unit of the bottom conductive layer, the rectifier bridge bonding pad arranged on the base layer penetrates through the base layer and is communicated with the negative electrode conductive unit of the bottom conductive layer, or,
the rectifier bridge bonding pad on the second type of rectifier bridge conductive unit penetrates through the base layer to be communicated with the negative electrode conductive unit of the bottom conductive layer, and the rectifier bridge bonding pad arranged on the base layer penetrates through the base layer to be communicated with the positive electrode conductive unit of the bottom conductive layer.
The first type of rectifier bridge conductive units and the second type of rectifier bridge conductive units are arranged at positions close to the upper edge of the flexible circuit board and are sequentially arranged along the length direction of the flexible circuit board, and the third type of rectifier bridge conductive units are arranged at positions close to the lower edge of the flexible circuit board.
The rectifier bridge bonding pad on the second type of rectifier bridge conductive unit is connected with the positive electrode conductive unit of the bottom conductive layer in parallel, and the rectifier bridge bonding pad arranged on the base layer is connected with the negative electrode conductive unit of the bottom conductive layer in parallel, or the rectifier bridge bonding pad on the second type of rectifier bridge conductive unit is connected with the negative electrode conductive unit of the bottom conductive layer in parallel, and the rectifier bridge bonding pad arranged on the base layer is connected with the positive electrode conductive unit of the bottom conductive layer in parallel.
The rectifier bridge is generally provided with four solder tails, which are respectively mounted on four rectifier bridge bonding pads arranged on the first type rectifier bridge conductive unit, the second type rectifier bridge conductive unit, the third type rectifier bridge conductive unit and the base layer.
Furthermore, the conductive module comprises a first type conductive unit, a plurality of second type conductive units and a third type conductive unit which are sequentially arranged along the length direction of the flexible circuit board, wherein the first type conductive unit, the plurality of second type conductive units and the third type conductive unit are respectively provided with two lamp bead pads, one lamp bead pad of the first type conductive unit is opposite to the lamp bead pad of the first type rectifier bridge conductive unit, the other lamp bead pad is opposite to the lamp bead pad of the next second type conductive unit, one lamp bead pad of the third type conductive unit is opposite to the lamp bead pad of the third type rectifier bridge conductive unit, the other lamp bead pad is opposite to the lamp bead pad of the previous second type conductive unit, and the lamp bead pad of the second type conductive unit is opposite to the lamp bead pad of the previous second type conductive unit or the next second type conductive unit or the first type conductive unit or the third type conductive unit The welding disc of the lamp bead is opposite.
Furthermore, the first type of conductive unit, the second type of conductive unit and the third type of conductive unit respectively comprise an upper end part, a connecting part and a lower end part which are connected in sequence, at least one lamp bead welding disc is arranged on each of the upper end part and the lower end part,
the lamp bead pad of the upper end part of the first second type conductive unit is opposite to the lamp bead pad of the lower end part of the second type conductive unit in pairs, the lamp bead pad of the upper end part of the first type conductive unit is opposite to the lamp bead pad of the lower end part of the second type conductive unit in pairs, the lamp bead pad of the lower end part of the first type conductive unit is opposite to the lamp bead pad of the first type rectifier bridge conductive unit in pairs, the lamp bead pad of the upper end part of the third type conductive unit is opposite to the lamp bead pad of the third type rectifier bridge conductive unit in pairs, and the lamp bead pad of the lower end part of the third type conductive unit is opposite to the lamp bead pad of the upper end part of the second type conductive unit in pairs.
The conductive units comprise a first type conductive unit, a second type conductive unit and a third type conductive unit which are S-shaped.
The connecting part of the first type of conductive unit is embedded into the rectifier bridge module, so that the lamp bead pad on the lower end part of the first type of conductive unit is opposite to the lamp bead pad on the first type of rectifier bridge conductive unit, the area utilization rate of the flexible circuit board can be improved, and the width and the length of the flexible circuit board are reduced.
The lamp bead pads which are respectively positioned at the lower end part of the first type of conductive unit and on the first type of rectifier bridge conductive unit and are opposite to each other in two positions are used for installing a lamp bead, the lamp bead is connected with the first type of conductive unit and the first type of rectifier bridge conductive unit, the lamp bead pads which are respectively positioned at the upper end part of the third type of conductive unit and on the third type of rectifier bridge conductive unit and are opposite to each other in two positions are used for installing a lamp bead, the lamp bead is connected with the third type of rectifier bridge conductive unit and the third type of rectifier bridge conductive unit, and the two lamp beads are connected with the rectifier bridge module and the conductive module. Similarly, the first type of conductive unit, the second type of conductive unit and the third type of conductive unit in the conductive module are connected through the lamp beads arranged on the lamp bead bonding pads opposite to each other in position.
When the anode of the rectifier bridge is arranged on the first type of rectifier bridge conductive unit and the cathode of the rectifier bridge is arranged on the third type of rectifier bridge conductive unit, 220V alternating current is input into the flexible circuit board through the wiring module and conducted with the bottom conductive layer, then the rectifier bridge arranged on the rectifier bridge pad is conducted through the rectifier bridge pad on the second type of rectifier bridge conductive unit which is connected with the bottom conductive layer in parallel and the rectifier bridge pad arranged on the base layer, the rectifier bridge converts the 220V alternating current into direct current and then flows out of the anode of the rectifier bridge, the first type of rectifier bridge conductive unit is conducted and connected with the lamp beads of the first type of rectifier bridge conductive unit through the first type of rectifier bridge conductive unit, then the direct current flows into the conductive module and conducts the lamp beads arranged on the conductive module, the lamp beads which are connected with the third type of rectifier bridge conductive unit and the third type of rectifier bridge conductive unit flow into the third type of rectifier bridge conductive unit and return to the cathode of the rectifier bridge, forming a current loop.
When the negative pole of the rectifier bridge is installed on the first type of rectifier bridge conductive unit and the positive pole of the rectifier bridge is installed on the third type of rectifier bridge conductive unit, the direct current converted by the rectifier bridge flows into the conductive module from the third type of rectifier bridge conductive unit of the rectifier bridge module, and flows into the negative pole of the rectifier bridge from the first type of rectifier bridge conductive unit after the lamp beads on the conductive module are conducted.
Further, the IC module is arranged between two adjacent second-type conductive units and comprises three IC conductive units, each IC conductive unit is provided with an IC pad and/or a lamp bead pad and/or a resistance pad, the three IC pads arranged on the three IC conductive units are arranged in a triangular mode on the flexible circuit board, the lamp bead pads arranged on the IC conductive units are opposite to the lamp bead pads of the previous or next second-type conductive unit, and the resistance pads arranged on the IC conductive units are opposite to the resistance pads on the other IC conductive unit.
Furthermore, the three IC conductive units are respectively a first type IC conductive unit, a second type IC conductive unit and a third type IC conductive unit, the second type IC conductive unit and the third type IC conductive unit are arranged along the length direction of the flexible circuit board, the first type IC conductive unit and the third type IC conductive unit are arranged along the width direction of the flexible circuit board, an IC pad, a resistance pad and a lamp bead pad are sequentially arranged on the first type IC conductive unit along the length direction of the flexible circuit board, a lamp bead pad and an IC pad are sequentially arranged on the second type IC conductive unit along the length direction of the flexible circuit board, an IC pad and a resistance pad are sequentially arranged on the third type IC conductive unit along the length direction of the flexible circuit board,
the IC bonding pads respectively arranged on the first type IC conductive unit, the second type IC conductive unit and the third type IC conductive unit are arranged in a triangle,
the resistance pad on the first type IC conductive unit is opposite to the resistance pad on the third type IC conductive unit, the lamp bead pad on the first type IC conductive unit is opposite to the lamp bead pad on the lower end part of the second type IC conductive unit,
the lamp bead pad on the second type IC conductive unit is opposite to the lamp bead pad on the upper end of the previous second type conductive unit.
Preferably, the first type IC conductive unit, the second type IC conductive unit and the third type IC conductive unit are all block-shaped, the first type IC conductive unit is disposed near the upper edge of the flexible circuit board, and the second type IC conductive unit and the third type IC conductive unit are disposed near the lower edge of the flexible circuit board.
The IC chip generally has three solder tails, which are respectively mounted on three IC pads arranged in a triangle on the first type IC conductive unit, the second type IC conductive unit, and the third type IC conductive unit. The resistors are respectively arranged on two opposite resistor pads on the first type IC conductive unit and the third type IC conductive unit, the lamp beads are respectively arranged on two opposite lamp bead pads on the lower end parts of the first type IC conductive unit and the second type conductive unit, and the lamp beads are respectively arranged on two opposite lamp bead pads on the upper end parts of the second type IC conductive unit and the second type conductive unit. The two lamp beads are connected with the IC module and the conductive module.
The IC chip can stabilize voltage, avoid the too big damage that leads to lamp pearl and resistance of voltage, play the effect that promotes light conversion efficiency simultaneously.
The utility model also provides a short unit power-free high-voltage lamp strip, which is provided with a top insulating layer, the short unit power-free high-voltage flexible circuit board and a bottom insulating layer from top to bottom in sequence,
and a plurality of lamp beads, resistors, a rectifier bridge and an IC chip are respectively arranged on the lamp bead bonding pad, the resistor bonding pad, the rectifier bridge bonding pad and the IC bonding pad of the short unit power-free high-voltage flexible circuit board.
The lamp beads on the conductive module are connected in series.
Exempt from power high-voltage lamp area can directly insert 220V's domestic alternating current through power plug, conveniently connects the electricity, and need not from taking the power, is convenient for hide the power cord during the installation for the installation occasion is more pleasing to the eye, can be used to cupboard etc..
Further, the length of the short unit power-free high-voltage lamp strip which can be cut is 100mm to 300 mm.
The tailorable positions of the lamp strips are two wiring units on the same wiring module, the two lines of wiring pads on the two wiring units are tailorable along the width direction of the flexible circuit board, two sections of lamp strips obtained after the tailorable positions are respectively provided with one line of wiring pads, and when the external power supply is connected, the two wiring pads in the one line of wiring pads are respectively connected with a power line of the external power supply.
The length of the lamp strip obtained after cutting is the length capable of being cut. The length of tailorring in lamp area can be according to actual demand design to make the lamp area can be applied to multiple occasion. The tailorable length of lamp area is 100mm to 300mm, and the lamp area length that obtains after tailorring is shorter, is short unit lamp area.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the power-free high-voltage flexible circuit board and the lamp strip thereof, 220V household alternating current can be directly accessed through the power plug, the input alternating current is converted into direct current through the rectifier bridge arranged on the rectifier bridge module, a power supply is not needed, the power line is easy to hide during installation, and the power line is convenient to connect.
And secondly, the conductive module and the rectifier bridge module on the flexible circuit board are embedded into each other, and the conductive units on the conductive module are embedded into each other, so that the area utilization rate of the flexible circuit board can be improved, and the width and the length of the power-free high-voltage flexible circuit board and the lamp strip thereof are reduced.
Finally, the length of tailorring of exempting from power high-voltage lamp area is shorter, is the lamp area of short unit, can be applicable to multiple occasion.
Drawings
Fig. 1 is a structure diagram of a flexible wiring board of embodiment 1 of the present invention.
Fig. 2 is a structural view of the top conductive layer of embodiment 1 of the present invention.
Fig. 3 is a structural view of the bottom conductive layer in embodiment 1 of the present invention.
Fig. 4 is a structural diagram of a wiring module of embodiment 1 of the present invention.
Fig. 5 is a structural diagram of a bridge rectifier module according to embodiment 1 of the present invention.
Fig. 6 is a structural view of a second type conductive element of embodiment 1 of the present invention.
Fig. 7 is a structural diagram of an IC module according to embodiment 1 of the present invention.
Fig. 8 is a structural view of a light strip according to embodiment 2 of the present invention.
Description of the specific figures: the conductive structure comprises a top conductive layer 1, a rectifier bridge module 10, a first type rectifier bridge conductive unit 101, a second type rectifier bridge conductive unit 102, a third type rectifier bridge conductive unit 103, a rectifier bridge pad 104, a wiring module 11, a wiring unit 111, a wiring pad 112, a conductive module 12, a first type conductive unit 121, a second type conductive unit 122, a third type conductive unit 123, an upper end 125, a connecting portion 126, a lower end 127, an IC module 13, a first type IC conductive unit 131, a second type IC conductive unit 132, a third type IC conductive unit 133, an IC pad 134, a lamp bead pad 14, a resistor pad 15, a base layer 2, a bottom conductive layer 3, a positive conductive unit 31, a negative conductive unit 32, a lamp bead 4, a resistor 5, a rectifier bridge 6 and an IC chip 7.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1 and fig. 2, this embodiment provides a power-free flexible printed circuit board, which is sequentially provided with a top conductive layer 1, a base layer 2, and a bottom conductive layer 3 from top to bottom, where the top conductive layer 1 includes a plurality of bridge rectifier modules 10, a plurality of wiring modules 11, and a plurality of conductive modules 12, the plurality of wiring modules 11 are equidistantly distributed along a length direction of the flexible printed circuit board, a bridge rectifier module 10 and a conductive module 12 are provided between every two adjacent wiring modules 11, the bridge rectifier module 10 and the conductive module 12 are embedded into each other,
the rectifier bridge module 10 is provided with a plurality of rectifier bridge pads 104, lamp bead pads 14 and/or resistance pads 15, the conductive module 12 is provided with a plurality of lamp bead pads 14 and/or resistance pads 15, and the lamp bead pads 14 and/or resistance pads 15 arranged on the rectifier bridge module 10 are opposite to the lamp bead pads 14 and/or resistance pads 15 arranged on the conductive module 12 in pairs.
The lamp beads arranged on the flexible circuit board are LED lamp beads which can only normally work under the condition of direct current. If the LED lamp pearl is directly switched on through 220V's alternating current, will lead to the lamp pearl to harm unable work, so flexible line way board should insert the direct current or through rectifier bridge with 220V's alternating current conversion to direct current.
The rectifier bridge pad 104 on the rectifier bridge module 10 is used for mounting a rectifier bridge, and the rectifier bridge is provided with a positive electrode and a negative electrode. The rectifier bridge module 10 is connected with the conductive module 12 through lamp beads and/or resistors, the lamp beads and/or the resistors are mounted on two lamp bead pads 14 and/or resistor pads 15 opposite in position, one lamp bead pad 14 and/or resistor pad 15 is arranged on the rectifier bridge module 10, and the other lamp bead pad 14 and/or resistor pad 15 is arranged on the lamp bead pad 14 and/or resistor pad 15 on the conductive module 12. The wiring module 11 is used for externally connecting 220V alternating current and inputting the alternating current into a rectifier bridge on the rectifier bridge module 10, and the rectifier bridge installed on the rectifier bridge module 10 converts the alternating current into direct current, and then outputs the direct current from the positive pole of the rectifier bridge to the conductive module 12 and then flows into the negative pole of the rectifier bridge to form a current loop. Alternating current input into the flexible circuit board is converted into direct current through the rectifier bridge, and the conductive module 12 is conducted through the lamp beads and/or the resistors connected with the rectifier bridge module 10 and the conductive module 12, so that the lamp beads installed on the conductive module 12 emit light.
The flexible circuit board does not need to be provided with a direct current power supply, and can be directly connected with 220V alternating current through a power plug during use, so that the power connection is convenient. Meanwhile, the flexible circuit board is not required to be provided with a power supply, and only needs to be connected with household alternating current through a power line and a power plug connected with the power line, so that the power line is easily hidden during installation, the installation is more attractive in occasions of the flexible circuit board, and the flexible circuit board can be applied to occasions such as cabinets.
The rectifier bridge module 10 and the conductive module 12 are embedded into each other, which is beneficial to improving the area utilization rate of the flexible circuit board, so that more lamp beads can be installed on the flexible circuit board in unit area, and the length and the width of the flexible circuit board are reduced.
Further, as shown in fig. 3, the bottom conductive layer 3 includes a positive conductive element 31 and a negative conductive element 32 arranged in the width direction of the flexible wiring board.
Further, as shown in fig. 4, the wiring module 11 includes two wiring units 111 arranged along the width direction of the flexible printed circuit board, each wiring unit 111 is provided with two wiring pads 112 arranged along the length direction of the flexible printed circuit board, the wiring pads 112 respectively arranged on the two wiring units 111 are opposite to each other in two-by-two positions along the width direction of the flexible printed circuit board,
two of the terminal pads 112 of one of the terminal elements 111 are communicated with the positive electrode conductive element 31 of the bottom conductive layer 3 through the base layer 2, and two of the terminal pads 112 of the other terminal element 111 are communicated with the negative electrode conductive element 32 of the bottom conductive layer 3 through the base layer 2.
The four wiring pads 112 disposed on the same wiring module 11 are arranged in two rows and two columns.
Two wiring units 111 on the same wiring module 11 are respectively connected with the positive electrode conductive unit 31 and the negative electrode conductive unit 32 in parallel through wiring pads 112 which are communicated with the bottom conductive layer 3, and the wiring module 11 is connected with 220V alternating current household electricity to conduct the bottom conductive layer 3.
Preferably, as shown in fig. 5, the rectifier bridge module 10 includes a first type rectifier bridge conductive unit 101 and a second type rectifier bridge conductive unit 102 disposed near the upper edge of the flexible printed circuit board and arranged in sequence along the length direction of the flexible printed circuit board, and a third type rectifier bridge conductive unit 103 disposed near the lower edge of the flexible printed circuit board,
the first type rectifier bridge conductive unit 101, the second type rectifier bridge conductive unit 102 and the third type rectifier bridge conductive unit 103 are all provided with a rectifier bridge pad 104, the rectifier bridge pad 104 on the first type rectifier bridge conductive unit 101 is adjacent to the rectifier bridge pad 104 on the second type rectifier bridge conductive unit 102 along the length direction of the flexible circuit board, the rectifier bridge pad 104 on the first type rectifier bridge conductive unit 101 is opposite to the rectifier bridge pad 104 on the third type rectifier bridge conductive unit 103 along the width direction of the flexible circuit board,
the bridge rectifier module 10 further includes a bridge rectifier pad 104 disposed on the base layer 2, the bridge rectifier pad 104 disposed on the base layer 2 is adjacent to the bridge rectifier pad 104 disposed on the third type bridge rectifier conductive unit 103 along the length direction of the flexible printed circuit board,
the first type rectifier bridge conductive unit 101 and the third type rectifier bridge conductive unit 103 are also provided with lamp bead pads 14, the lamp bead pads 14 arranged on the first type rectifier bridge conductive unit 101 and the third type rectifier bridge conductive unit 103 are opposite to the lamp bead pads 14 on the conductive module 12 in pairs,
the rectifier bridge pad 104 on the second type rectifier bridge conductive element 102 penetrates through the base layer 2 to communicate with the positive conductive element 31 of the bottom conductive layer 3, the rectifier bridge pad 104 on the base layer 2 penetrates through the base layer 2 to communicate with the negative conductive element 32 of the bottom conductive layer 3, or,
the rectifier bridge pad 104 on the second type rectifier bridge conductive unit 102 penetrates through the base layer 2 to be communicated with the negative conductive unit 32 of the bottom conductive layer 3, and the rectifier bridge pad 104 arranged on the base layer 2 penetrates through the base layer 2 to be communicated with the positive conductive unit 31 of the bottom conductive layer 3.
The rectifier bridge pad 104 on the second type rectifier bridge conductive unit 102 is connected in parallel with the positive conductive unit 31 of the bottom conductive layer 3, and the rectifier bridge pad 104 on the base layer 2 is connected in parallel with the negative conductive unit of the bottom conductive layer 3, or the rectifier bridge pad 104 on the second type rectifier bridge conductive unit 102 is connected in parallel with the negative conductive unit 32 of the bottom conductive layer 3, and the rectifier bridge pad 104 on the base layer 2 is connected in parallel with the positive conductive unit of the bottom conductive layer 3.
The rectifier bridge is generally provided with four solder tails, which are respectively mounted on four rectifier bridge pads 104 disposed on the first type rectifier bridge conductive unit 101, the second type rectifier bridge conductive unit 102, the third type rectifier bridge conductive unit 103, and the base layer 2.
Further, the conductive module 12 includes a first conductive unit 121, a plurality of second conductive units 122, and a third conductive unit 123 sequentially arranged along the length direction of the flexible printed circuit board, the first conductive unit 121, the second conductive unit 122, and the third conductive unit 123 each include an upper end 125, a connecting portion 126, and a lower end 127 sequentially connected to each other, at least one bead pad 14 is disposed on each of the upper end 125 and the lower end 127,
two-to-two positions of the bead pad 14 of the upper end 125 of the previous second type conductive unit 122 are opposite to those of the bead pad 14 of the lower end 127 of the next second type conductive unit 122, two-to-two positions of the bead pad 14 of the upper end 125 of the first type conductive unit 121 are opposite to those of the bead pad 14 of the lower end 127 of the next second type conductive unit 122, two-to-two positions of the bead pad 14 of the lower end 127 of the first type conductive unit 121 are opposite to those of the bead pad 14 of the first type rectifier bridge conductive unit 101, two-to-two positions of the bead pad 14 of the upper end 125 of the third type conductive unit 123 are opposite to those of the bead pad 14 of the third type rectifier bridge conductive unit 103, and two-to-two positions of the bead pad 14 of the lower end 127 of the third type conductive unit 123 are opposite to those of the bead pad 14 of the upper end 125 of the previous second type conductive unit 122.
As shown in fig. 6, the conductive units include a first type conductive unit 121, a second type conductive unit 122, and a third type conductive unit 123, all of which are S-shaped. The connecting portion 126 of the first type of conductive unit 121 is embedded in the rectifier bridge module 10, so that the bead pad 14 on the lower end portion 127 of the first type of conductive unit 121 is opposite to the bead pad 14 on the first type of rectifier bridge conductive unit 101, the area utilization rate of the flexible circuit board can be improved, and the width and length of the flexible circuit board are reduced.
The lamp bead pads 14 which are respectively located on the lower end portion 127 of the first type conductive unit 121 and the first type rectifier bridge conductive unit 101 and are opposite in two-two positions are used for mounting a lamp bead, the lamp bead is connected with the first type conductive unit 121 and the first type rectifier bridge conductive unit 101, the lamp bead pads 14 which are respectively located on the upper end portion 125 of the third type conductive unit 123 and the third type rectifier bridge conductive unit 103 and are opposite in two-two positions are used for mounting a lamp bead, the lamp bead is connected with the third type rectifier bridge conductive unit 103 and the third type conductive unit 123, and the two lamp beads are connected with the rectifier bridge module 10 and the conductive module 12. Similarly, the first type conductive unit 121, the second type conductive unit 122 and the third type conductive unit 123 in the conductive module 12 are connected by the lamp beads installed on the lamp bead pads 14 opposite to each other in pairs.
When the first type rectifier bridge conductive unit 101 for installing the rectifier bridge is an anode and the third type rectifier bridge conductive unit 103 is a cathode, 220V ac is input into the flexible circuit board through the wiring module 11 and conducted to the bottom conductive layer 3, then the rectifier bridge installed on the rectifier bridge pad 104 is conducted through the rectifier bridge pad 104 on the second type rectifier bridge conductive unit 102 connected in parallel to the bottom conductive layer 3 and the rectifier bridge pad 104 arranged on the base layer 2, the rectifier bridge converts the 220V ac into dc and then flows out from the rectifier bridge anode, the first type rectifier bridge conductive unit 101 is conducted to connect the first type conductive unit 121 and the lamp bead of the first type rectifier bridge conductive unit 101, then the dc current flows into the conductive module 12 and conducts the lamp bead installed on the conductive module 12, and flows into the third type rectifier bridge conductive unit 103 through the lamp bead connecting the third type conductive unit 123 and the third type rectifier bridge conductive unit 103, and returning to the negative pole of the rectifier bridge to form a current loop.
When the first type rectifier bridge conductive unit 101 on which the rectifier bridge is installed is a negative electrode and the third type rectifier bridge conductive unit 103 is a positive electrode, the direct current converted by the rectifier bridge flows into the conductive module 12 from the third type rectifier bridge conductive unit 103 of the rectifier bridge module 10, and flows into the rectifier bridge negative electrode from the first type rectifier bridge conductive unit 101 after the lamp bead on the conductive module 12 is conducted.
Further, as shown in fig. 7, the flexible printed circuit board further includes an IC module 13 disposed between two adjacent second-type conductive units 122, the IC module 13 includes three IC conductive units, each IC conductive unit is provided with an IC pad 134 and/or a bead pad 14 and/or a resistance pad 15, the three IC pads 134 respectively disposed on the three IC conductive units are arranged in a triangle on the flexible printed circuit board, the bead pads 14 disposed on the IC conductive units are opposite to the bead pads 14 of the previous or next second-type conductive unit 122, and the resistance pads 15 disposed on the IC conductive units are opposite to the resistance pads 15 on the other IC conductive unit.
The three IC conductive units are respectively a first type IC conductive unit 131, a second type IC conductive unit 132 and a third type IC conductive unit 133, the first type IC conductive unit 131, the second type IC conductive unit 132 and the third type IC conductive unit 133 are all in a block shape, the first type IC conductive unit 131 is arranged at a position close to the upper edge of the flexible circuit board, the second type IC conductive unit 132 and the third type IC conductive unit 133 are arranged at a position close to the lower edge of the flexible circuit board, an IC pad 134, a resistance pad 15 and a lamp bead pad 14 are sequentially arranged on the first type IC conductive unit 131 along the length direction of the flexible circuit board, a lamp bead pad 14 and an IC pad 134 are sequentially arranged on the second type IC conductive unit 132 along the length direction of the flexible circuit board, and an IC pad 134, a third type IC conductive unit 133 and a flexible circuit board are sequentially arranged along the length direction of the flexible circuit board, The resistance pad 15 is provided with a plurality of resistance pads,
the IC pads 134 respectively disposed on the first type IC conductive unit 131, the second type IC conductive unit 132 and the third type IC conductive unit 133 are arranged in a triangle,
the resistance pad 15 on the first type of IC conductive unit 131 is opposite to the resistance pad 15 on the third type of IC conductive unit 133, the bead pad 14 on the first type of IC conductive unit 131 is opposite to the bead pad 14 on the lower end 127 of the second type of conductive unit 122, and the bead pad 14 on the second type of IC conductive unit 132 is opposite to the bead pad 14 on the upper end 125 of the second type of conductive unit 122.
The IC chip generally has three solder tails, which are respectively mounted on three IC pads 134 arranged in a triangle on the first type IC conductive unit 131, the second type IC conductive unit 132 and the third type IC conductive unit 133. A resistor is arranged on two opposite resistor pads 15 respectively positioned on the first type IC conductive unit 131 and the third type IC conductive unit 133, a lamp bead is arranged on two opposite lamp bead pads 14 respectively positioned on the first type IC conductive unit 131 and the lower end 127 of the next second type conductive unit 122, and a lamp bead is arranged on two opposite lamp bead pads 14 respectively positioned on the second type IC conductive unit 132 and the upper end 125 of the previous second type conductive unit 122. The two lamp beads are connected with the IC module 13 and the conductive module 12.
The IC chip can stabilize voltage, avoid the too big damage that leads to lamp pearl and resistance of voltage, play the effect that promotes light conversion efficiency simultaneously.
Example 2
As shown in fig. 8, the present embodiment provides a short-unit power-free high-voltage light strip, which is sequentially provided with a top insulating layer, a short-unit power-free high-voltage flexible circuit board as described in embodiment 1, and a bottom insulating layer from top to bottom,
and a plurality of lamp beads 4, a resistor 5, a rectifier bridge 6 and an IC chip 7 are respectively arranged on the lamp bead bonding pad 14, the resistor bonding pad 15, the rectifier bridge bonding pad 104 and the IC bonding pad 134 of the short-unit power-free high-voltage flexible circuit board.
The lamp beads 4 on the conductive module 12 are connected in series.
Exempt from power high-voltage lamp area can directly insert 220V's domestic alternating current through power plug, conveniently connects the electricity, and need not from taking the power, is convenient for hide the power cord during the installation for the installation occasion is more pleasing to the eye, can be used to cupboard etc..
Further, the length of the short unit power-free high-voltage lamp strip which can be cut is 100mm to 300 mm.
The tailorable positions of the lamp strip are two wiring units 111 on the same wiring module 11, two rows of wiring pads 112 on the two wiring units 111 are cut along the width direction of the flexible circuit board, two sections of lamp strip units obtained after cutting are respectively provided with one row of wiring pads 112, and when the lamp strip is externally connected with a power supply, the two wiring pads 112 in the row of wiring pads 112 are respectively connected with a power line of an external power supply.
The length of the lamp strip obtained after cutting is the length capable of being cut. The length of tailorring in lamp area can be according to actual demand design to make the lamp area can be applied to multiple occasion. The tailorable length of lamp area is 100mm to 300mm, and the lamp area length that obtains after tailorring is shorter, is short unit lamp area.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A short-unit power-free high-voltage flexible circuit board is sequentially provided with a top conducting layer, a base layer and a bottom conducting layer from top to bottom, and is characterized in that the top conducting layer comprises a plurality of wiring modules, a rectifier bridge module, a conducting module and an IC module, the wiring modules are arranged at equal intervals along the length direction of the flexible circuit board, the rectifier bridge module, the IC module and the conducting module which are embedded into each other are arranged between every two adjacent wiring modules,
the rectifier bridge module is provided with a plurality of rectifier bridge pads and lamp bead pads and/or resistance pads, the conductive module is provided with a plurality of lamp bead pads and resistance pads, the IC module is provided with a plurality of IC pads, lamp bead pads and resistance pads, the lamp bead pads arranged on the rectifier bridge module are opposite to the lamp bead pads arranged on the conductive module in pairs, the lamp bead pads arranged on the IC module are opposite to the lamp bead pads on the conductive unit in pairs,
the distance between two adjacent wiring modules of the flexible circuit board is 100-300 mm.
2. The short unit power-free high voltage flexible wiring board of claim 1, wherein the bottom conductive layer comprises a positive conductive unit and a negative conductive unit arranged along a width direction of the flexible wiring board.
3. The short unit power-free high-voltage flexible printed circuit board of claim 2, wherein the wiring module comprises two wiring units arranged along the width direction of the flexible printed circuit board, each wiring unit is provided with two wiring pads arranged along the length direction of the flexible printed circuit board, the wiring pads respectively arranged on the two wiring units are opposite to each other in two positions along the width direction of the flexible printed circuit board,
two wiring pads on one wiring unit penetrate through the base layer and are communicated with the positive electrode conductive unit of the bottom conductive layer, and two wiring pads on the other wiring unit penetrate through the base layer and are communicated with the negative electrode conductive unit of the bottom conductive layer.
4. The short-cell power-free high-voltage flexible circuit board of claim 1, wherein the rectifier bridge module comprises a first type rectifier bridge conductive element, a second type rectifier bridge conductive element, a third type rectifier bridge conductive element and a rectifier bridge pad disposed on the base layer;
the first type of rectifier bridge conductive units and the second type of rectifier bridge conductive units are sequentially arranged along the length direction of the flexible circuit board, the first type of rectifier bridge conductive units and the third type of rectifier bridge conductive units are sequentially arranged along the width direction of the flexible circuit board, the second type of rectifier bridge conductive units and rectifier bridge bonding pads arranged on the base layer are sequentially arranged along the width direction of the flexible circuit board, and the third type of rectifier bridge conductive units and rectifier bridge bonding pads arranged on the base layer are sequentially arranged along the length direction of the flexible circuit board;
the first type rectifier bridge conductive unit, the second type rectifier bridge conductive unit and the third type rectifier bridge conductive unit are all provided with a rectifier bridge pad, the rectifier bridge pad on the first type rectifier bridge conductive unit is adjacent to the rectifier bridge pad on the second type rectifier bridge conductive unit along the length direction of the flexible circuit board, the rectifier bridge pad on the first type rectifier bridge conductive unit is opposite to the rectifier bridge pad on the third type rectifier bridge conductive unit along the width direction of the flexible circuit board,
the rectifier bridge bonding pad arranged on the base layer is adjacent to the rectifier bridge bonding pad arranged on the third type of rectifier bridge conductive unit along the length direction of the flexible circuit board,
the first type rectifier bridge conductive unit and the third type rectifier bridge conductive unit are also provided with lamp bead pads, the lamp bead pads arranged on the first type rectifier bridge conductive unit and the third type rectifier bridge conductive unit are opposite to the lamp bead pads on the conductive module in pairs,
the rectifier bridge bonding pad on the second type of rectifier bridge conductive unit penetrates through the base layer and is communicated with the positive electrode conductive unit of the bottom conductive layer, the rectifier bridge bonding pad arranged on the base layer penetrates through the base layer and is communicated with the negative electrode conductive unit of the bottom conductive layer, or,
the rectifier bridge bonding pad on the second type of rectifier bridge conductive unit penetrates through the base layer to be communicated with the negative conductive unit of the bottom conductive layer, and the rectifier bridge bonding pad arranged on the base layer penetrates through the base layer to be communicated with the positive conductive unit of the bottom conductive layer.
5. The short-unit power-free high-voltage flexible circuit board of claim 4, wherein the conductive module comprises a first type conductive unit, a plurality of second type conductive units and a third type conductive unit which are sequentially arranged along the length direction of the flexible circuit board, two bead pads are arranged on the first type conductive unit, the plurality of second type conductive units and the third type conductive unit, one bead pad of the first type conductive unit is opposite to the bead pad of the first type rectifier bridge conductive unit, the other bead pad is opposite to the bead pad of the latter second type conductive unit, one bead pad of the third type conductive unit is opposite to the bead pad of the third type rectifier bridge conductive unit, the other bead pad is opposite to the bead pad of the former second type conductive unit, the lamp bead pad on the second type of conductive unit is opposite to the lamp bead pad on the previous second type of conductive unit or the next second type of conductive unit or the first type of conductive unit or the third type of conductive unit.
6. The short unit power-free high-voltage flexible circuit board of claim 5, wherein the first type of conductive unit, the second type of conductive unit and the third type of conductive unit comprise an upper end portion, a connecting portion and a lower end portion which are connected in sequence, at least one lamp bead pad is arranged on each of the upper end portion and the lower end portion,
the lamp bead pad of the upper end part of the first second type conductive unit is opposite to the lamp bead pad of the lower end part of the second type conductive unit in pairs, the lamp bead pad of the upper end part of the first type conductive unit is opposite to the lamp bead pad of the lower end part of the second type conductive unit in pairs, the lamp bead pad of the lower end part of the first type conductive unit is opposite to the lamp bead pad of the first type rectifier bridge conductive unit in pairs, the lamp bead pad of the upper end part of the third type conductive unit is opposite to the lamp bead pad of the third type rectifier bridge conductive unit in pairs, and the lamp bead pad of the lower end part of the third type conductive unit is opposite to the lamp bead pad of the upper end part of the second type conductive unit in pairs.
7. The short unit power-free high-voltage flexible circuit board according to claim 6, further comprising an IC module disposed between two adjacent second type conductive units, wherein the IC module comprises three IC conductive units, each IC conductive unit is provided with an IC pad and/or a bead pad and/or a resistor pad, the three IC pads respectively disposed on the three IC conductive units are arranged in a triangular shape on the flexible circuit board, the bead pads disposed on the IC conductive units are opposite to the bead pads of the previous or next second type conductive unit, and the resistor pads disposed on the IC conductive units are opposite to the resistor pads of the other IC conductive unit.
8. The short unit power-free high-voltage flexible printed circuit board of claim 7, wherein the three IC conductive units are a first type IC conductive unit, a second type IC conductive unit and a third type IC conductive unit, the second type IC conductive unit and the third type IC conductive unit are arranged along the length direction of the flexible printed circuit board, the first type IC conductive unit and the third type IC conductive unit are arranged along the width direction of the flexible printed circuit board, the first type IC conductive unit is sequentially provided with an IC pad, a resistance pad and a lamp bead pad along the length direction of the flexible printed circuit board, the second type IC conductive unit is sequentially provided with a lamp bead pad and an IC pad along the length direction of the flexible printed circuit board, the third type IC conductive unit is sequentially provided with an IC pad and a resistance pad along the length direction of the flexible printed circuit board,
the IC bonding pads respectively arranged on the first type IC conductive unit, the second type IC conductive unit and the third type IC conductive unit are arranged in a triangle,
the resistance pad on the first type IC conductive unit is opposite to the resistance pad on the third type IC conductive unit, the lamp bead pad on the first type IC conductive unit is opposite to the lamp bead pad on the lower end part of the second type IC conductive unit,
the lamp bead pad on the second type IC conductive unit is opposite to the lamp bead pad on the upper end of the previous second type conductive unit.
9. A short unit power-free high-voltage lamp strip, characterized in that a top insulating layer, a short unit power-free high-voltage flexible circuit board as claimed in any one of claims 1 to 8 and a bottom insulating layer are sequentially arranged from top to bottom,
and a plurality of lamp beads, resistors, a rectifier bridge and an IC chip are respectively arranged on the lamp bead bonding pad, the resistor bonding pad, the rectifier bridge bonding pad and the IC bonding pad of the short unit power-free high-voltage flexible circuit board.
10. The short unit power-free high voltage light strip according to claim 9, wherein the short unit power-free high voltage light strip is cut to a length of 100mm to 300 mm.
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| CN202121004795.5U CN214481482U (en) | 2021-05-11 | 2021-05-11 | Short unit power-free high-voltage flexible circuit board and lamp strip thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114513895A (en) * | 2022-03-08 | 2022-05-17 | 江门市东达丰照明科技有限公司 | High-density arranged flexible circuit board, lamp strip thereof and die cutting tool |
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2021
- 2021-05-11 CN CN202121004795.5U patent/CN214481482U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114513895A (en) * | 2022-03-08 | 2022-05-17 | 江门市东达丰照明科技有限公司 | High-density arranged flexible circuit board, lamp strip thereof and die cutting tool |
| CN114513895B (en) * | 2022-03-08 | 2023-09-22 | 江门市东达丰照明科技有限公司 | High-density-arrangement flexible circuit board, lamp strip thereof and die cutting tool |
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