CN219372655U - Elastic FPC board and product using same - Google Patents

Abstract

The utility model discloses an elastic FPC board and a product using the same, wherein the elastic FPC board comprises an FPC board and at least one elastic base material, the FPC board comprises one or more conductors, and each conductor comprises an inelastic insulating layer and a conductive core positioned in the insulating layer; the conductor is at least partially curved; the FPC board is connected to at least the elastic base material. The elastic base material only needs to have elastic capability and does not need to insulate the conductive core, so that the material selection of the elastic base material can be more than that of the elastic insulator of the elastic FPC board in the prior art, and the application fixing mode of the elastic base material is more selected and the application range of the elastic base material is wider.

Description

Elastic FPC board and product using same

Technical Field

The utility model relates to an FPC board, in particular to an elastic FPC board and a product using the same.

Background

With rapid progress of technology and improvement of living standard of people, motion consciousness and health consciousness of people are increasingly enhanced, and development of some wearing products (such as intelligent watches, intelligent glasses and intelligent clothes) is promoted while technical progress is advanced. For wearing comfort, the wearing products often adopt elastic materials, and correspondingly, the elastic conductive wires are generally adopted for carrying out power or data transmission for functional devices on the wearing products. However, in order to achieve the elastic expansion function, the elastic conductive wire is usually formed by braiding or winding a conductive wire outside the elastic shaft core, which results in a larger diameter of the elastic conductive wire, which is easy to be abrupt when applied to wearing products, and affects wearing comfort.

Flexible circuit boards (Flexible Printed Circuit, abbreviated as FPCs), also called flexible circuit boards, and the like, are favored because of their excellent characteristics of light weight, thin thickness, free bending, folding, and the like. Therefore, the elastic FPC board is used for replacing the conductive wire to be applied to the electronic product and the wearing product, the telescopic function is not affected, and the problem that the diameter of the elastic conductive wire is larger can be solved. However, since the elastic insulator of the elastic FPC board in the prior art is used as the substrate of the FPC board, the elastic insulator has to have an insulating capability and a certain elastic capability, so that the material selection of the elastic insulator is limited, and generally, only materials such as plastic, silica gel and the like can be selected, and the fixing mode and the application range of the elastic FPC are limited greatly.

Disclosure of Invention

Aiming at the technical problems existing in the prior art, the utility model provides an elastic FPC board and a product using the elastic FPC board.

The technical scheme adopted for solving the technical problems is as follows: an elastic FPC board comprises an FPC board and at least one elastic base material, wherein the FPC board comprises one or more electric conductors, the electric conductors comprise an inelastic insulating layer and at least one electric conducting core positioned in the insulating layer, and the electric conductors are at least partially bent; the FPC board is connected to at least the elastic base material.

Further, the distance between the two side edges of the conductive core in the width direction of the conductive body and the outer edge of the insulating layer in the width direction of the conductive body is greater than or equal to 0.1mm respectively.

Further, the electric conductor is wavy or saw-tooth-shaped or square-wave-shaped or triangular-wave-shaped; the FPC board is punched to form the conductor, the FPC board further comprises at least one conducting part exposed out of the insulating layer, the conducting part is conducted with the conductive core, and the at least one conducting part is located at the end part of the conductor and/or between the two ends of the conductor.

Further, a shielding layer is arranged on the upper surface and/or the lower surface of the insulating layer.

Further, at least one conductor is connected with an electronic component in an SMT (surface mount technology) patch mode, and the electronic component comprises one or more of an LED lamp, a sensor, an IC (integrated circuit) chip, a capacitor, a resistor and a connector.

Further, the number of the elastic base materials is one, the elastic base materials and the FPC board are laminated and connected together to form a laminated structure, or the number of the elastic base materials is two, the two elastic base materials and the FPC board are laminated and connected together to form a laminated structure, and at least the conductor of the FPC board is positioned between the two elastic base materials.

Further, the flexible printed circuit board also comprises an adhesive layer, wherein the adhesive layer, the FPC board and the elastic base material are connected together in a laminated way to form a laminated structure; the number of the bonding layer and the number of the elastic substrates are respectively one, and at least one conductor of the FPC board is positioned between the bonding layer and the elastic substrates; or the number of the bonding layers is at least one, the number of the elastic base materials is two, at least the conductor of the FPC board is positioned between the two elastic base materials, and the bonding layers are positioned on one surface of the elastic base materials, which is opposite to the FPC board; the adhesive layer is any one of adhesive, elastic adhesive film, hot melt adhesive and hot melt adhesive film.

Further, a protective film is arranged on the upper surface and/or the lower surface of the laminated structure, and the protective film comprises any one of release paper, silicone paper and release paper.

Further, the FPC board is adhered and fixed with the elastic base material, or the FPC board and the elastic base material are compounded together through hot pressing.

Further, the elastic base material comprises any one of an elastic film, an elastic rubber product, an elastic cloth, an elastic braid and an elastic film.

Further, the number of the conductors is one, or the number of the conductors is a plurality of, and the conductors are connected in parallel, or one ends of the conductors are conducted, the other ends of the conductors are independent, or the conductors are distributed in a tree shape; the number of the conductive cores in the electric conductor is one or more, and the plurality of the conductive cores are arranged in parallel.

Further, the number of the elastic FPC boards is at least two, the at least two elastic FPC boards are overlapped to form a multi-layer structure, and at least one end of the at least two elastic FPC boards is connected in an up-down conducting mode.

The utility model further provides a product using the elastic FPC board, which comprises at least one elastic FPC board.

Further, the product is a wearable product, and comprises a wearable body, wherein the elastic FPC board is arranged on the wearable body, and the wearable body comprises any one of clothing, shoes, hair bands, bracelets, hats, scarves, gloves, socks, intelligent glasses, headphones and intelligent glasses; the electric conductor is in conductive connection with an electric power component arranged on the wearable body, the electric power component comprises one or more of an inelastic FPC board, an elastic FPC board, a wire, an electronic component, a PCB board and a power supply battery, and the electronic component comprises one or more of a sensor, an LED lamp, an IC chip, a capacitor, a resistor, an electrode slice, a heating slice, a luminous line, a connector, a control switch and a puncture-type terminal; the conducting connection mode comprises any one or more of medium connection, medium-free connection and puncture connection, the conducting connection part is packaged to obtain a packaging sealing layer, and the packaging mode comprises any one or more of injection molding encapsulation packaging, glue filling packaging and hot melt glue hot pressing packaging.

Compared with the prior art, the utility model has the following beneficial effects:

the FPC board comprises one or more conductors, at least part of the conductors are bent, and the FPC board is connected to the elastic base material at least, so that the FPC board meets the elastic expansion function, the FPC board can be manufactured according to the traditional manufacturing mode of the FPC board, and is manufactured through punching, the manufacturing process is simple, the insulating layer of the conductors only needs to meet the insulating function and does not need to have elastic capacity, the connected elastic base material can position and protect the conductors, the conductors can be better reset after being stretched, and the elastic base material only needs to have elastic capacity and does not need to insulate the conductive core, so that the material of the elastic base material is selected to have more choices compared with the elastic insulator of the elastic FPC board in the prior art, the application and fixing mode of the FPC board are more choices, the application range is wider, and the requirements of good wearing comfort, difficult falling off after being washed and the like can be met by selecting the proper elastic base material when the FPC board is particularly applied to wearing products.

The utility model is described in further detail below with reference to the drawings and examples; but a product of the elastic FPC board and the application elastic FPC board of the present utility model is not limited to the embodiment.

Drawings

Fig. 1 is a plan view of an FPC board according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an FPC board in a combined state with an auxiliary base material before punching according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of an electrical conductor of an FPC board according to an embodiment of the present utility model;

fig. 4 is a top view of an elastic FPC board according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4 according to an embodiment;

fig. 6 is a schematic partial cross-sectional view of an elastic FPC board according to an embodiment of the present utility model;

fig. 7 is a schematic view showing still another structure of an electrical conductor of the FPC board according to the present utility model;

fig. 8 is a schematic view of still another structure of an electrical conductor of the FPC board according to the embodiment of the present utility model;

fig. 9 is a schematic view showing still another structure of an electrical conductor of the FPC board according to the present utility model;

fig. 10 is a schematic view showing still another structure of an electrical conductor of the FPC board according to the present utility model;

fig. 11 is a schematic structural view of an FPC board according to the second embodiment of the present utility model;

fig. 12 is a schematic view of still another structure of the FPC board according to the second embodiment;

fig. 13 is a schematic view of still another structure of an FPC board according to the third embodiment;

FIG. 14 is a schematic view showing the structure of the present utility model in a multi-layered state according to the fourth embodiment;

fig. 15 is a schematic view of a structure of a conducting portion in a multilayer state according to a fourth embodiment of the present utility model;

fig. 16 is a schematic structural view of an FPC board according to the fifth embodiment of the present utility model;

fig. 17 is a schematic view of still another structure of the FPC board of the fifth embodiment;

fig. 18 is a schematic view of still another structure of the FPC board according to the fifth embodiment of the present utility model;

fig. 19 is a top view of an elastic FPC board according to the fifth embodiment of the present utility model;

FIG. 20 is an enlarged schematic view of portion B of FIG. 19 in a fifth embodiment;

fig. 21 is a schematic cross-sectional view of an elastic FPC board of the sixth embodiment;

fig. 22 is a schematic cross-sectional view of an elastic FPC board of the seventh embodiment;

fig. 23 is a schematic cross-sectional view of an elastic FPC board according to the eighth embodiment of the present utility model;

fig. 24 is a schematic structural view of a wearing article according to the ninth embodiment of the present utility model;

fig. 25 is a schematic structural view of a product using an elastic FPC board according to the present utility model;

fig. 26 is a schematic structural view of a product to which an elastic FPC board is applied according to an eleventh embodiment of the present utility model;

fig. 27 is a schematic structural view of a product to which an elastic FPC board is applied according to the twelfth embodiment of the present utility model;

fig. 28 is a schematic structural view of a product using an elastic FPC board according to the thirteenth embodiment of the present utility model;

fig. 29 is a schematic structural view of a product using an elastic FPC board according to the fourteenth embodiment of the present utility model;

fig. 30 is a schematic structural view of a product to which an elastic FPC board is applied according to the fifteen embodiments of the present utility model;

fig. 31 is a schematic view of the connection between the flexible FPC boards of the present utility model;

FIG. 32 is a schematic diagram of the connection of the flexible FPC board to the conductors of the present utility model;

FIG. 33 is a schematic diagram of the connection of the flexible FPC board to the sensor of the present utility model;

FIG. 34 is a schematic diagram of the connection of the flexible FPC board to the connector according to the present utility model;

FIG. 35 is a schematic diagram of the connection of the flexible FPC board to two PCBs of the present utility model;

FIG. 36 is a schematic diagram of the connection of the flexible FPC board to three PCBs of the present utility model;

FIG. 37 is a schematic view of the connection of the flexible FPC board to the terminals of the present utility model;

FIG. 38 is a schematic view of the encapsulation of the connection sites between the flexible FPC boards of the present utility model;

FIG. 39 is a schematic view of still another package of the connection site between the flexible FPC boards of the present utility model;

FIG. 40 is a schematic view of still another package of the connection site between the flexible FPC boards of the present utility model;

fig. 41 is a schematic diagram of the package of the connection portion of the flexible FPC board and the electronic component or the like of the present utility model;

FIG. 42 is a schematic view of still another package of the connection portion between the flexible FPC board and the electronic component and the like according to the present utility model;

FIG. 43 is a schematic view of still another package of the connection portion of the flexible FPC board and the electronic component and the like of the present utility model;

wherein 1, FPC board, 11, electric conductor, 111, insulating layer, 112, conductive core, 12, conduction position, 2, auxiliary substrate, 3, elastic substrate, 4, adhesive, 5, sensor, 6, connector, 7, LED lamp, 8, protective film, 9, adhesive layer, 10, elastic FPC board, 20, puncture terminal, 30, clothing, 40, heating plate, 50, control switch, 60, luminous line, 70, PCB board, 80, electrode plate, 90, socks, 100, wire, 110, thermoplastic material, 120, glue solution, 130, hot melt film.

Detailed Description

In the present disclosure, the terms "first," "second," and the like are used merely to distinguish between similar objects and not necessarily to describe a particular sequence or order, nor are they to be construed as indicating or implying a relative importance. In the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone.

Example 1

Referring to fig. 1 to 10, an elastic FPC board according to the present utility model includes an FPC board 1 and at least one sheet-shaped elastic base material 3, the FPC board 1 includes a conductive body 11, and the conductive body 11 includes an insulating layer 111 and a conductive core 112 disposed in the insulating layer 111; the conductor 11 is at least partially curved so that the conductor 11 can extend and retract in the longitudinal direction; at least the conductor 11 of the FPC board 1 is laminated and connected with the elastic base material 3.

In this embodiment, as shown in fig. 1, the FPC board 1 includes the conductive body 11 and conductive portions 12 located at two ends of the conductive body 11, where the conductive portions 12 are electrically connected to the conductive core 112 and are used for conducting connection (also referred to as electrical connection or electrical connection) with external power components. The whole conductor 11 is in a regular wavy shape, but not limited thereto, and the conductor 11 may be in an irregular wavy shape as shown in fig. 7. The conductor 11 may be in a triangular waveform (as shown in fig. 8), a zigzag or square waveform, or other special-shaped structures, as shown in fig. 9 and 10. In other embodiments, the conductor is partially curved, the remainder being linear, etc.

In this embodiment, the FPC board 1 is die-cut to form the conductor 11. As shown in fig. 2, the distance L between the two side edges of the conductive core 112 in the width direction of the conductive body 11 and the outer edge of the insulating layer 111 in the width direction of the conductive body 11 is 0.1mm or more, respectively, so that the waterproof performance of the die-cut conductive body 11 can be ensured.

In this embodiment, the conductive cores 112 may be made of copper foil, and the number of the conductive cores 112 may be one or more, and when the number of the conductive cores 112 is more, the conductive cores 112 may be arranged in parallel and insulated from each other.

In this embodiment, the FPC board 1 is die-cut by a die-cutting and discharging process, and before die-cutting, the FPC board needs to be pre-attached to the auxiliary base material 2, as shown in fig. 2, the auxiliary base material 2 may be a release paper with glue, etc., so as to ensure that the die-cut conductor 11 does not deform, misplacement, running overlap, etc., and facilitate the processing of the subsequent process; during punching, laser cutting, cutting die punching, ultrasonic punching and other processes may be used to form required shape. In order to secure the waterproof property after punching, the distance from the punching edge of the conductive core 112 in the conductive body 11 is 0.1mm or more, that is, the distance L between the both side edges of the conductive core 112 in the width direction of the conductive body 1 and the outer edge of the insulating layer 111 in the width direction of the conductive body 1 is 0.1mm or more, as shown in fig. 3.

In this embodiment, the conductor 11 includes only the insulating layer 111 and the conductive core 112, but is not limited thereto, and in other embodiments, the conductor further includes at least one shielding layer disposed on the outer surface of the insulating layer, that is, the upper surface and/or the lower surface of the insulating layer is provided with a shielding layer, and the shielding layer completely covers the area where the conductive core is located.

In this embodiment, as shown in fig. 4 to 6, the number of the elastic substrates 3 is two, and at least the conductors 11 of the FPC board 1 are connected between the two elastic substrates 3. The two elastic substrates 3 are respectively elongated, and the width of the lower elastic substrate 3 is larger than the width of the FPC board 1, and the width of the upper elastic substrate 3 is smaller than the width of the FPC board 1, but the present utility model is not limited thereto. The FPC board 1 is bonded or compounded with the upper elastic base material 3 and the lower elastic base material 3 by adopting an adhesive 4. The adhesive 4 includes any one of an adhesive, an elastic adhesive film, a hot melt adhesive film, and the like. The arrangement of the two elastic substrates 3 can better position the electric conductor 11.

In the present embodiment, the two elastic substrates 3 are respectively elastic cloths, but not limited thereto, and in other embodiments, the elastic substrates 3 include any one of elastic films, elastic rubber products, elastic webbing, elastic film, and the like.

The manufacturing method of the elastic FPC board comprises the following steps:

sticking the FPC board to be punched on the auxiliary base material 2;

punching a required shape according to design requirements by adopting processes such as laser, a die or ultrasonic punching, and removing redundant parts punched by the FPC board to enable the FPC board to form one or more conductors 11;

bonding or hot-pressing the die-cut FPC board 1 with one elastic substrate 3 by adopting an adhesive 4, wherein the side of the die-cut FPC board facing away from the auxiliary substrate 2 is bonded or compounded together;

the auxiliary base material 2 is removed, and the other surface of the FPC board 1 is bonded or hot-pressed and compounded with the other elastic base material 3 by adopting the adhesive 4, so that the product shown in the figures 4-6 is obtained.

According to the elastic FPC board, the FPC board 1 is directly manufactured by adopting the traditional manufacturing process of the FPC board and is manufactured by punching, the manufacturing process is simple, and the insulating layer 111 of the conductor 11 only needs to meet the insulating function and does not need to have elastic capability or be used for subsequent application and fixation. The elastic base material 3 connected with the elastic base material can position and protect the electric conductor 11, so that the electric conductor can be better reset after being stretched, deformation, dislocation, running position overlapping and the like can be used for application and fixation, and the elastic base material 3 only needs to have elastic capability and does not need to insulate the conductive core 112, so that the elastic base material 3 is wider in material selection, as described above, the elastic base material 3 can be any one of an elastic film, an elastic rubber product, an elastic webbing, an elastic film and the like, so that the application and fixation mode can be more selected, and the application range is wider. Particularly, the requirements of good wearing comfort, difficult falling off after washing and the like are met, and when the elastic FPC board is applied to a wearing product, the elastic base material 3 is preferably elastic cloth, so that the requirements of good wearing comfort, difficult falling off after washing and the like are met, and at the moment, the elastic cloth can be a part of a wearable body or can be fixed on the wearable body in a sewing mode and the like.

Example two

Referring to fig. 11 and 12, an elastic FPC board according to the present utility model is different from the first embodiment in that: the number of the conductors 11 is plural, the plural conductors 11 are arranged together, and the plural conductors 11 may be arranged in parallel and connected in parallel, as shown in fig. 11, and the plural conductors 11 may also be connected together with one end being conductive and the other end being independent, as shown in fig. 12.

Example III

Referring to fig. 13, an elastic FPC board according to the present utility model is different from the second embodiment in that: the plurality of conductors 11 are distributed in a tree shape, specifically, in a multi-stage tree shape, but not limited thereto. At this time, the number of conductive cores in the conductive body as the main branch is the sum of the number of conductive cores of the respective branched conductive bodies at the end thereof.

Example IV

Referring to fig. 14 and 15, the difference between the flexible FPC board of the present utility model and the above embodiments is that: the number of the elastic FPC boards 10 is at least two, the at least two elastic FPC boards 10 are overlapped to form a multi-layer structure, and the conducting parts 12 at the two ends of the at least two elastic FPC boards 10 are respectively connected in a vertical conducting mode. The arrangement of the multilayer structure can carry out multilayer distribution on the conductive cores through layered arrangement under the condition that the number of the conductive cores is large, so that the width of each layer of elastic FPC board is ensured to be smaller.

Example five

Referring to fig. 16 to 20, an elastic FPC board according to the present utility model is different from the first embodiment in that: the electric conductor 11 is connected with an electronic component in an SMT (surface mount technology) patch mode, and an encapsulation sealing layer is arranged at an assembly position. The electronic components comprise one or more of an LED lamp, a sensor, an IC chip, a capacitor, a resistor, a connector and the like. Specifically, as shown in fig. 16, the two ends of the conductor 11 are respectively connected with the sensor 5 by adopting an SMT patch mode, or, as shown in fig. 17, the two ends of the conductor 11 and the part between the two ends are respectively connected with the sensor 5 by adopting an SMT patch mode, or, as shown in fig. 18, the two ends of the two conductors 11 are respectively connected with the sensor 5 by adopting an SMT patch mode, and a connector 7 is connected between the two conductors 11 by adopting an SMT patch mode, or, as shown in fig. 19 and 20, the two ends of the conductor 11 in a wavy shape are connected with a plurality of LED lamps 7 by adopting an SMT patch mode, so that the elastic sheet of the utility model forms an LED lamp strip.

Example six

Referring to fig. 21, an elastic FPC board according to the present utility model is different from the first embodiment in that: the number of the elastic substrates 3 is one.

In this embodiment, the FPC board 1 is also bonded to the elastic substrate 3 by using an adhesive 4 or is compounded by hot pressing, where the adhesive 4 includes any one of an adhesive, an elastic adhesive film, a hot melt adhesive, and a hot melt adhesive mold, and the adhesive 4 may be located between the FPC board 1 and the elastic substrate 3, or on a side of the FPC board 1 opposite to the elastic substrate 3. In this embodiment, the elastic base material 3 is also an elastic cloth, but is not limited thereto, and in other embodiments, the elastic base material includes any one of an elastic film, an elastic rubber product, an elastic webbing, an elastic film, and the like.

Example seven

Referring to fig. 22, an elastic FPC board according to the present utility model is different from the above embodiments in that: the number of the elastic substrates 3 is one, the utility model further comprises an adhesive layer 9, the FPC board 1 and the elastic substrates 3 are connected together in a laminated mode to form a laminated structure, and the FPC board 1 is arranged between the adhesive layer 9 and the elastic substrates 3. The upper surface of the laminated structure (i.e. the upper surface of the adhesive layer 9) is provided with a protective film 8, the protective film 8 comprises any one of release paper, silicone paper and release paper, and the adhesive layer 9 is any one of an adhesive, an elastic adhesive film, a hot melt adhesive and a hot melt adhesive film. Therefore, when the utility model is applied, the protective film 8 is only required to be removed, and the protective film can be adhered to an application product through the adhesive layer 9.

Example eight

Referring to fig. 23, an elastic FPC board according to the present utility model is different from the seventh embodiment in that: the number of the bonding layers 9 and the number of the elastic base materials 3 are two respectively, the FPC board 1 is positioned between the two elastic base materials 3, and the bonding layers 9 are respectively arranged on one surfaces of the two elastic base materials 3, which are opposite to the FPC board 1. The upper and lower surfaces of the laminated structure (i.e., the outer surfaces of the two adhesive layers 9) are provided with protective films 8, respectively.

Therefore, when the utility model is applied, the protective film 8 can be adhered between the two opposite sides of the applied product through the two adhesive layers 9 only by removing the protective film.

Example nine

Referring to fig. 24, a product, specifically a wearable product, using an elastic FPC board according to the present utility model includes a wearable body, and further includes the elastic FPC board according to the present utility model, where the elastic FPC board is disposed on the wearable body.

In this embodiment, the wearable body is a garment 30, particularly but not limited to a long-sleeved blouse, and in other embodiments, the wearable body may be a T-shirt, pants, waistcoat, vest, or the like. The wearable body may be any of shoes, hair bands, hand rings, hats, scarves, gloves, socks, smart glasses, headphones, smart glasses, and the like, in addition to the garment 30. The conducting parts 12 at the two ends of the conductor 11 are respectively connected with a power component arranged on a wearable body (in this embodiment, the wearable body is a garment 30), the power component comprises one or more of an inelastic FPC board, an elastic FPC board, a wire, an electronic component, a PCB board, a power supply battery and the like, and the electronic component comprises one or more of a sensor, an LED lamp, an IC chip, a capacitor, a resistor, an electrode slice, a heating slice, a luminous line, a connector, a control switch, a puncture terminal and the like.

In this embodiment, the power component includes a heating plate 40 and a control switch 50, the conducting portion 12 at one end of the FPC board 1 is connected to the heating plate 40 in a conducting manner, and the conducting portion 12 at the other end of the FPC board 1 is connected to the control switch 50 in a conducting manner. The FPC board 1 has a conductive function, and has a heating function and a warming function. When the elastic FPC board is applied and fixed, the elastic base material 3 (which is elastic cloth) may be directly sewn and fixed to the garment 30, or the elastic base material 3 may be made to form a part of the garment 30.

The product using the elastic FPC board is combined with the traditional clothes through electronics, so that the product has certain functionality (such as heating and thermal insulation, EMS electrical stimulation, heart rate monitoring, blood pressure monitoring, motion capturing, motion monitoring and the like). The elastic FPC board is used for providing conductivity, data transmission and the like, so that the wearing comfort of the product is better.

Examples ten

Referring to fig. 25, a product using an elastic FPC board according to the present utility model is different from the above-mentioned embodiment nine in that: the power component comprises a luminous line 60 and a PCB 70, wherein a conducting part at one end of the FPC board 1 is connected with the luminous line 60 in a conducting way, and a conducting part at the other end of the FPC board 1 is connected with the PCB 70 in a conducting way. Therefore, the utility model has the function of light emission and can play a role in warning at night.

Example eleven

Referring to fig. 26, a product using an elastic FPC board according to the present utility model is different from the above-mentioned ninth and tenth embodiments in that: the power component comprises two electrode plates 80, and conducting parts at two ends of the FPC board 1 are respectively and electrically connected with the electrode plates 80; the garment 30 is a sweater-type long-sleeved blouse, but is not limited thereto.

Example twelve

Referring to fig. 27, a product using an elastic FPC board according to the present utility model is different from the above-mentioned embodiments nine, ten and eleven in that: the power component comprises a plurality of sensors 5, and the plurality of sensors 5 are connected to the conductor 11 of the FPC board 1 in an SMT patch mode and can be used for motion capture, heart rate monitoring, motion monitoring and the like.

Example thirteen

Referring to fig. 28, a product using an elastic FPC board according to the present utility model is different from the ninth embodiment to the twelfth embodiment in that: the number of the FPC boards 1 is multiple, a plurality of LED lamps 7 are connected to the conductors 11 of each FPC in an SMT (surface mount technology) patch mode, and the FPC boards 1 and the LED lamps 7 thereon are arranged and combined according to an array.

Examples fourteen

Referring to fig. 29, a product using an elastic FPC board according to the present utility model is different from the thirteenth embodiment in that: the plurality of FPC boards 1 and the plurality of LED lamps 7 connected thereto form a zigzag shape, but is not limited thereto.

Example fifteen

Referring to fig. 30, a product using an elastic FPC board according to the present utility model is different from the ninth embodiment to the fourteenth embodiment described above in that: the wearable body is a sock 90, the power component comprises a heating part 40 and a PCB 70, a conducting part at one end of the FPC board 1 is connected with the heating plate 40 in a conducting way, a conducting part at the other end of the FPC board 1 is connected with the PCB 70 in a conducting way, the heating plate 40 is located at the bottom of the sock, and the PCB 70 is located at the top of the side wall of the sock. Therefore, the utility model has a heating function.

When the elastic conductive wire is applied to the product, the conductive connection between the conductive part and each power part comprises medium connection (connection by adopting solder paste, tin wires, conductive adhesive and the like), non-medium connection (laser welding, ultrasonic welding, spot welding and the like), puncture connection, SMT patch connection and the like, and the connection comprises the following steps: the two FPC boards 1 are connected to each other as shown in fig. 31; the FPC board 1 is connected to the wires 100 as shown in fig. 32; the FPC board 1 and electronic components (such as the sensor 5) are connected by SMT patch, as shown in fig. 33; the FPC board 1 is connected to the connector 6 as shown in fig. 34 and the like; the FPC board 1 is connected between two rigid PCB boards 70 as shown in fig. 35; among the plurality of PCB boards 70, adjacent PCB boards 70 are connected to the FPC board 1, respectively, as shown in fig. 36; the FPC board 1 is connected to the puncture terminal 20 by a puncture, as shown in fig. 37.

In order to achieve the protection effects of water resistance, corrosion resistance, water washing, aging resistance and the like, the conductive connection part of the FPC board 1 and the power component is subjected to secondary packaging to form a packaging sealing layer. The secondary packaging mode comprises the following three modes:

1. injection molding and encapsulation: the conductive connection portion between the FPC board 1 and the power member is directly injection molded using a thermoplastic material 110 (PVC, TPE, PP, PE, ABS, PC, etc.), as shown in fig. 38 and 39;

2. filling glue and packaging: glue solution 120 (comprising one or more of polyurethane pouring sealant, organic silicon pouring sealant, epoxy resin pouring sealant and the like) is poured at the conducting connection part of FPC board 1 and the power component by using equipment or by hand, and cured into thermosetting polymer insulating material with excellent performance under normal temperature or heating condition, so that the purposes of bonding, sealing, pouring and coating protection are achieved, as shown in fig. 40 and 41;

3. in the hot-melt adhesive hot-press packaging process, the conductive connection portion between the FPC board 1 and the power member is hot-press-packaged using a hot-melt adhesive sheet 130 with release paper or cloth, as shown in fig. 42 and 43.

The elastic FPC board and the product using the same are not related to the same parts as the prior art or can be realized by adopting the prior art.

The above embodiment is only used to further illustrate a product of the elastic FPC board and the application elastic FPC board of the present utility model, but the present utility model is not limited to the embodiment, and any simple modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present utility model falls within the protection scope of the technical solution of the present utility model.

Claims (14)

1. An elastic FPC board, characterized in that: the flexible printed circuit board comprises an FPC board and at least one elastic base material, wherein the FPC board comprises one or more electric conductors, the electric conductors comprise an inelastic insulating layer and at least one conductive core positioned in the insulating layer, and at least part of the electric conductors are bent; the FPC board is connected to at least the elastic base material.

2. The flexible FPC board according to claim 1, wherein: the distance between the two side edges of the conductive core in the width direction of the conductive body and the outer edge of the insulating layer in the width direction of the conductive body is respectively more than or equal to 0.1mm.

3. The flexible FPC board according to claim 1, wherein: the electric conductor is wavy or saw-tooth-shaped or square-wave-shaped or triangular-wave-shaped; the FPC board is punched to form the conductor, the FPC board further comprises at least one conducting part exposed out of the insulating layer, the conducting part is conducted with the conductive core, and the at least one conducting part is located at the end part of the conductor and/or between the two ends of the conductor.

4. The flexible FPC board according to claim 1, wherein: and a shielding layer is arranged on the upper surface and/or the lower surface of the insulating layer.

5. The flexible FPC board according to claim 1, wherein: at least one conductor is connected with an electronic component in an SMT (surface mount technology) patch mode, and the electronic component comprises one or more of an LED lamp, a sensor, an IC (integrated circuit) chip, a capacitor, a resistor and a connector.

6. The flexible FPC board according to claim 1, wherein: the number of the elastic base materials is one, the elastic base materials and the FPC board are laminated and connected together to form a laminated structure, or the number of the elastic base materials is two, the two elastic base materials and the FPC board are laminated and connected together to form a laminated structure, and at least the conductor of the FPC board is positioned between the two elastic base materials.

7. The flexible FPC board according to claim 1, wherein: the FPC board is characterized by further comprising an adhesive layer, wherein the adhesive layer, the FPC board and the elastic base material are connected together in a laminated way to form a laminated structure; the number of the bonding layer and the number of the elastic substrates are respectively one, and at least one conductor of the FPC board is positioned between the bonding layer and the elastic substrates; or the number of the bonding layers is at least one, the number of the elastic base materials is two, at least the conductor of the FPC board is positioned between the two elastic base materials, and the bonding layers are positioned on one surface of the elastic base materials, which is opposite to the FPC board; the adhesive layer is any one of adhesive, elastic adhesive film, hot melt adhesive and hot melt adhesive film.

8. The flexible FPC board according to claim 6 or 7, characterized in that: the upper surface and/or the lower surface of the laminated structure is provided with a protective film, and the protective film comprises any one of release paper, silicone paper and anti-sticking paper.

9. The flexible FPC board according to claim 6 or 7, characterized in that: and the FPC board is adhered and fixed with the elastic base material, or the FPC board and the elastic base material are compounded together through hot pressing.

10. The flexible FPC board according to claim 1 or 6 or 7, characterized in that: the elastic base material comprises any one of an elastic film, an elastic rubber product, elastic cloth, an elastic braid and an elastic film.

11. The flexible FPC board according to claim 1, wherein: the number of the conductors is one, or the number of the conductors is a plurality of, and the conductors are connected in parallel, or one ends of the conductors are conducted, the other ends of the conductors are mutually independent, or the conductors are distributed in a tree shape; the number of the conductive cores in the electric conductor is one or more, and the plurality of the conductive cores are arranged in parallel.

12. The flexible FPC board according to claim 1, wherein: the number of the elastic FPC boards is at least two, the at least two elastic FPC boards are overlapped to form a multi-layer structure, and at least one end of the at least two elastic FPC boards is connected in an up-down conduction mode.

13. A product using an elastic FPC board, characterized in that: an elastic FPC board comprising at least one of claims 1-12.

14. The product using an elastic FPC board according to claim 13, wherein: the product is a wearable product and comprises a wearable body, wherein the elastic FPC board is arranged on the wearable body, and the wearable body comprises any one of clothing, shoes, hair bands, hand rings, hats, scarves, gloves, socks, intelligent glasses, headphones and intelligent glasses; the FPC board is in conductive connection with a power component arranged on the wearable body, the power component comprises one or more of an inelastic FPC board, an elastic FPC board, a wire, an electronic component, a PCB board and a power supply battery, and the electronic component comprises one or more of a sensor, an LED lamp, an IC chip, a capacitor, a resistor, an electrode slice, a heating slice, a luminous line, a connector, a control switch and a puncture-type terminal; the conducting connection mode comprises any one or more of medium connection, medium-free connection and puncture connection, the conducting connection part is packaged to obtain a packaging sealing layer, and the packaging mode comprises any one or more of injection molding encapsulation packaging, glue filling packaging and hot melt glue hot pressing packaging.