CN112996325A

CN112996325A - COP material flexible line way board

Info

Publication number: CN112996325A
Application number: CN202110164176.0A
Authority: CN
Inventors: 隽培军; 胡巧琛; 杨顺桃
Original assignee: Junmei Jingwei Circuit Co ltd
Current assignee: Junmei Jingwei Circuit Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-18
Anticipated expiration: 2041-02-05
Also published as: CN112996325B

Abstract

The invention discloses a COP material flexible circuit board, and relates to the technical field of circuit boards; the problem that a circuit board is easy to deform and damage is solved; the circuit board comprises a circuit board body arranged on the inner wall of the bottom of a shell, wherein more than four rubber columns are arranged on the inner wall of the periphery of the shell; the inner wall of the bottom of the shell is provided with four clamping columns; the circuit board comprises a circuit board body and is characterized in that protective blocks are arranged on the outer walls of two sides of the circuit board body, an elastic layer is arranged on the inner wall of one side of each of the two protective blocks, the outer walls of the bottoms of the two protective blocks are fixed on the inner wall of the bottom of a shell through four clamping grooves, the four clamping grooves are divided into two groups, and the outer walls of the tops of the two groups of clamping grooves are respectively arranged on the outer; the bottom inner wall of casing is provided with flexible subassembly, and the extension end of flexible subassembly is provided with the cardboard. The invention is convenient to disassemble and assemble, effectively reduces the deformation or damage of the circuit board body caused by vibration during use, and prolongs the service life of the circuit board body.

Description

COP material flexible line way board

Technical Field

The invention relates to the technical field of circuit boards, in particular to a COP material flexible circuit board.

Background

In the prior art, the high-frequency high-speed flexible circuit board applied to 5G communication is mainly made of improved PI and LCP materials. The materials have some defects which cannot be overcome by themselves, and cannot well meet the requirements of the 5G communication field on the high-frequency high-speed flexible circuit board. COP is a cycloolefine polymer, is an amorphous homopolymer formed by ring opening and ectopic polymerization of bicycloheptene under the action of a metallocene catalyst and hydrogenation reaction, has the characteristics of high transparency, low birefringence, low water absorption, high rigidity, high heat resistance and good water vapor airtightness, meets the FDA standard, and is currently used in the fields of medical optical parts and high-end medicine packaging materials. Based on the research on the performance of the COP material, the COP material is made into a high-frequency high-speed flexible circuit board which is applied to the field of electronic circuits, in particular to the field of 5G communication, thereby achieving good technical effect.

Through retrieval, a chinese patent application No. CN201910739566.9 discloses a COP material applied to a high-frequency high-speed flexible circuit board, and a preparation method and an application thereof, wherein the preparation method comprises the following steps: COP material, coating TPI or glue, pressing copper foil, curing, splitting and manufacturing various flexible printed circuit FPC. The COP material applied to the high-frequency high-speed flexible circuit board and the preparation method and application thereof in the patent have the following defects: the circuit board is generally placed in the packing box, and the circuit board inside the packing box is easy to vibrate up and down during use, so that the circuit board is easy to deform and damage due to the fact that the circuit board is easy to impact the packing box.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a COP material flexible circuit board.

In order to achieve the purpose, the invention adopts the following technical scheme:

a COP material flexible circuit board comprises a circuit board body arranged on the inner wall of the bottom of a shell, wherein more than four rubber columns are arranged on the inner wall of the periphery of the shell; the inner wall of the bottom of the shell is provided with four clamping columns; the circuit board comprises a circuit board body and is characterized in that protective blocks are arranged on the outer walls of two sides of the circuit board body, an elastic layer is arranged on the inner wall of one side of each of the two protective blocks, the outer walls of the bottoms of the two protective blocks are fixed on the inner wall of the bottom of a shell through four clamping grooves, the four clamping grooves are divided into two groups, and the outer walls of the tops of the two groups of clamping grooves are respectively arranged on the outer; the bottom inner wall of casing is provided with flexible subassembly, and the extension end of flexible subassembly is provided with the cardboard, and the relative one side inner wall of cardboard all is provided with two shock attenuation balls.

Preferably: the top outer wall of casing is connected with the case lid through the hinge, and the top outer wall of case lid is provided with waterproof ventilated membrane, and the bottom outer wall of case lid is provided with the through-hole more than four, and the bottom outer wall of case lid is provided with three elastic block, and the inner wall of three elastic block all is provided with the water pocket, and one side outer wall of three elastic block all is provided with the water filling port.

Preferably: the top outer wall of casing is provided with the limiting plate, one side inner wall of casing is provided with the branch, one side outer wall of casing is provided with the handle, and the one end of handle is connected with the one end of branch through the transmission shaft.

Preferably: the outer wall of the two sides of the shell is provided with a first heat dissipation opening, the outer wall of the bottom of the shell is provided with a second heat dissipation opening, and the outer wall of the two sides of the circuit board body is provided with heat dissipation assemblies.

Preferably: the both sides outer wall of casing all is provided with the connecting seat, and the both sides outer wall of casing and one side outer wall of two protection pieces all are provided with the line hole, and four line holes are two liang of grouping, and the inner wall in two sets of line holes all is provided with the wire, and the one end of two wires all sets up in the one end of circuit board body, and the casing is close to the both sides outer wall in line hole and all is provided with the protection pad.

Preferably: the circuit board body includes substrate, two adhesive linkage, two copper foil layers, two insulating layers and two inoxidizing coatings, the top outer wall and the bottom outer wall of substrate all are provided with the lug more than two, two the adhesive linkage sets up respectively in the top outer wall and the bottom outer wall of substrate, two one side outer wall of copper foil layer sets up respectively in the top outer wall and the bottom outer wall of two adhesive linkage, two one side outer wall of insulating layer sets up respectively in the top outer wall and the bottom outer wall of two copper foil layers, and one side outer wall of two inoxidizing coatings sets up respectively in the top outer wall and the bottom outer wall of two insulating layers.

Preferably: the substrate is a COP material and has a thickness of 12-200 um.

Preferably: the thickness of the copper foil layer is 0.5OZ (0.7mil, 18 um).

Preferably: the adhesive layer is one of acrylic acid and epoxy resin, and the thermosetting adhesive thickness of the adhesive layer is 25-50 um.

The invention has the beneficial effects that:

1. according to the invention, the circuit board body is arranged on the clamping plate, the circuit board body is clamped and fixed by using the damping balls, the telescopic assembly is started again to drive the circuit board body to shrink downwards into the shell until the clamping columns are inserted into the clamping grooves, and the peripheral rubber columns cling to the circuit board body and the outer walls of the protection blocks to clamp and fix the circuit board body, so that the circuit board body is convenient to disassemble and install, the deformation or damage of the circuit board body caused by vibration during use is effectively reduced, and the service life of the circuit board body is prolonged.

2. According to the invention, cooling water is injected into the water sac through the water injection port, when the case cover and the shell are closed, the three elastic blocks are attached to the top surface of the circuit board body, the circuit board body is cooled during use, and meanwhile, heat dissipated by the circuit board body during use is dissipated outwards from the through hole, so that heat circulation of the shell is avoided.

3. When the circuit board body needs to be checked or replaced, the limiting plate is adjusted to be away from the box cover, then the handle is rotated to drive the supporting strips to rotate synchronously, the box cover is jacked up when the supporting strips rotate, operation and control are simple, and maintenance efficiency is improved.

4. The heat generated by the circuit board body in the using period is respectively dissipated from the first heat dissipation port and the second heat dissipation port through the heat dissipation assembly, so that the service life of the circuit board body is prolonged, the protection pad plays a role in protecting the connection part of the lead, and the damage caused by breakage is reduced.

5. The circuit board body is connected with the copper foil layer through the adhesive layer, the insulating layer and the protective layer are sequentially arranged on the outer side of the circuit board body, the two ends of the circuit board body are clamped and protected by the protective blocks, the circuit board body is protected in an all-round mode and is not prone to damage or deformation, the circuit board body is easy to mold and high in efficiency, and corners of the circuit board body are protected through the protective blocks and are not prone to damage.

Drawings

Fig. 1 is a schematic front view of a flexible circuit board made of COP material according to the present invention;

fig. 2 is a schematic bottom view of a flexible circuit board made of COP material according to the present invention;

FIG. 3 is a schematic diagram of a top-view expanded cross-sectional structure of a housing of a flexible printed circuit board made of COP according to the present invention;

fig. 4 is a schematic view of a bottom view of a circuit board body of a COP material flexible circuit board according to the present invention;

fig. 5 is a schematic cross-sectional structure diagram of a circuit board body of a COP material flexible circuit board according to the present invention.

In the figure: the heat-dissipating structure comprises a shell 1, a first heat-dissipating port 2, a handle 3, a waterproof and breathable film 4, a box cover 5, a lead 6, a protective pad 7, a connecting seat 8, a second heat-dissipating port 9, a clamping column 10, a rubber column 11, an elastic block 12, a through hole 13, a water sac 14, a water injection port 15, a branch strip 16, a limiting plate 17, a wire hole 18, a protective block 19, a circuit board body 20, a heat-dissipating component 21, a damping ball 22, a clamping plate 23, a telescopic component 24, a clamping groove 25, an elastic layer 26, a protective layer 27, an insulating layer 28, a copper foil layer 29, a base material 30, a bump 31 and.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A COP material flexible circuit board, as shown in figure 1, figure 3 and figure 4, comprises a circuit board body 20 arranged on the inner wall of the bottom of a shell 1, wherein more than four rubber columns 11 are welded on the inner wall of the periphery of the shell 1; four clamping columns 10 are fixed on the inner wall of the bottom of the shell 1 through bolts; the circuit board comprises a circuit board body 20 and is characterized in that protective blocks 19 are welded on the outer walls of two sides of the circuit board body 20, an elastic layer 26 is bonded on the inner wall of one side of each of the two protective blocks 19, the outer walls of the bottoms of the two protective blocks 19 are fixed on the inner wall of the bottom of a shell 1 through four clamping grooves 25, the four clamping grooves 25 are divided into two groups, and the outer walls of the tops of the two groups of clamping grooves 25 are respectively arranged on the outer walls; a telescopic component 24 is fixed on the inner wall of the bottom of the shell 1 through a bolt, a clamping plate 23 is fixed at the extending end of the telescopic component 24 through a bolt, and two damping balls 22 are welded on the inner wall of one side, opposite to the clamping plate 23; start flexible subassembly 24 and promote cardboard 23 rebound, then arrange circuit board body 20 in on cardboard 23, it is fixed to utilize shock attenuation ball 22 to the centre gripping of circuit board body 20, it contracts downwards to casing 1 to start flexible subassembly 24 again to drive circuit board body 20, until card post 10 inserts in draw-in groove 25, outer wall that circuit board body 20 and protection piece 19 are hugged closely to rubber post 11 all around is fixed to its centre gripping, convenient to detach installs, effectively reduce during the use circuit board body 20 because vibrations cause deformation or damage, the life of extension circuit board body 20, the difficult impaired friction of the corner of protection circuit board body 20 of being convenient for through protection piece 19.

In order to cool down the circuit board body 20 during use; as shown in fig. 1 and 3, the outer wall of the top of the casing 1 is connected with a case cover 5 through a hinge, the outer wall of the top of the case cover 5 is fixed with a waterproof breathable film 4 through a bolt, the outer wall of the bottom of the case cover 5 is provided with more than four through holes 13, the outer wall of the bottom of the case cover 5 is fixed with three elastic blocks 12 through bolts, the inner walls of the three elastic blocks 12 are all filled with water bags 14, the outer wall of one side of each of the three elastic blocks 12 is fixed with a water filling port 15 through a bolt, the outer wall of the top of the casing 1 is rotatably connected with a limit plate 17 through a rotating shaft, the inner wall of one side of the casing 1 is rotatably connected with a support bar 16 through a rotating shaft, the outer wall of one side of the casing 1 is rotatably connected with a handle 3 through a rotating shaft, one end of the handle 3 is connected with one end of the support bar 16 through a transmission shaft, cooling, carry out cooling to circuit board body 20 during the use, the heat that gives off during the use of circuit board body 20 simultaneously outwards gives off from through-hole 13, avoids the heat circulation of casing 1, prolongs circuit board body 20's life, when needs inspection or change circuit board body 20, adjusts limiting plate 17 and makes it keep away from case lid 5, then rotates handle 3 and drives the synchronous revolution of branch strip 16, with case lid 5 jack-up when branch strip 16 is rotatory, controls comparatively simply.

In order to facilitate heat dissipation; as shown in fig. 1, 2 and 4, the outer walls of the two sides of the casing 1 are respectively fixed with a first heat dissipation port 2 by bolts, the outer wall of the bottom of the casing 1 is fixed with a second heat dissipation port 9 by bolts, the outer walls of the two sides of the circuit board body 20 are respectively welded with a heat dissipation assembly 21, the outer walls of the two sides of the casing 1 are respectively fixed with a connecting seat 8 by bolts, the outer walls of the two sides of the casing 1 and the outer wall of one side of two protection blocks 19 are respectively provided with wire holes 18, four wire holes 18 are grouped in pairs, the inner walls of two groups of wire holes 18 are respectively inserted with wires 6, one ends of the two wires 6 are respectively welded at one end of the circuit board body 20, the outer walls of the two sides of the casing 1 close to the wire holes 18 are respectively adhered with a protection pad 7, heat generated during the use of the circuit board body 20 is respectively dissipated from the first heat dissipation port 2 and the second heat dissipation port 9, the protective pad 7 protects the connection position of the lead 6, and reduces the damage caused by breakage.

In order to protect the circuit board body 20 in all directions; as shown in fig. 5, the circuit board body 20 includes a substrate 30, two bonding layers 32, two copper foil layers 29, two insulating layers 28 and two protective layers 27, wherein more than two bumps 31 are welded on the top outer wall and the bottom outer wall of the substrate 30, the two bonding layers 32 are respectively poured on the top outer wall and the bottom outer wall of the substrate 30, one side outer walls of the two copper foil layers 29 are respectively bonded on the top outer wall and the bottom outer wall of the two bonding layers 32, one side outer walls of the two insulating layers 28 are respectively bonded on the top outer wall and the bottom outer wall of the two copper foil layers 29, one side outer walls of the two protective layers 27 are respectively bonded on the top outer wall and the bottom outer wall of the two insulating layers 28, the circuit board body 20 is connected with the copper foil layers 29 through the bonding layers 32, the insulating layers 28 and the protective layers 27 are sequentially arranged on the outer sides, the two ends of the circuit board, and the molding is simple and the efficiency is high.

The substrate 30 is a COP material and has a thickness of 12-200 um.

The copper foil layer 29 has a thickness of 0.5oz0.7mil, 18 um.

The adhesive layer 32 is one of acrylic acid and epoxy resin, and the thermosetting adhesive thickness of the adhesive layer 32 is 25-50 um.

In the embodiment, when in use, the circuit board body 20 is connected with the copper foil layer 29 through the adhesive layer 32, the outer side is sequentially provided with the insulating layer 28 and the protective layer 27, the two ends of the circuit board body are clamped and protected by the protective blocks 19, the circuit board body 20 is protected in an omnibearing manner and is not easy to be damaged or deformed, the limiting plate 17 is adjusted to be away from the box cover 5, then the handle 3 is rotated to drive the supporting bar 16 to synchronously rotate, the box cover 5 is jacked up when the supporting bar 16 rotates, so that the shell 1 is opened, the telescopic component 24 is started to push the clamping plate 23 to move upwards, then the circuit board body 20 is placed on the clamping plate 23, the circuit board body 20 is clamped and fixed by the damping balls 22, the telescopic component 24 is started again to drive the circuit board body 20 to contract downwards into the shell 1 until the clamping columns 10 are inserted into the clamping grooves 25, effectively reduces the deformation or damage of the circuit board body 20 caused by vibration during the use period, prolongs the service life of the circuit board body 20, the corners of the circuit board body 20 are protected by the protection block 19 from being damaged and rubbed, and the heat generated by the circuit board body 20 during use is dissipated from the first heat dissipation port 2 and the second heat dissipation port 9 through the heat dissipation assembly 21, cooling water is injected into the water sac 14 through the water injection port 15, when the case cover 5 is closed with the shell 1, the three elastic blocks 12 are attached to the top surface of the circuit board body 20, carry out cooling to circuit board body 20 during the use, the heat that gives off during the use of circuit board body 20 simultaneously outwards gives off from through-hole 13, avoids the thermal cycle of casing 1, and extension circuit board body 20's life utilizes connecting seat 8 casing 1 of being convenient for and exterior structure's connection fixed, and protection pad 7 plays the effect of protection to the junction of wire 6.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A COP material flexible circuit board comprises a circuit board body (20) arranged on the inner wall of the bottom of a shell (1), and is characterized in that more than four rubber columns (11) are arranged on the inner wall of the periphery of the shell (1); the inner wall of the bottom of the shell (1) is provided with four clamping columns (10); the circuit board comprises a circuit board body (20), wherein protective blocks (19) are arranged on the outer walls of two sides of the circuit board body (20), an elastic layer (26) is arranged on the inner wall of one side of each of the two protective blocks (19), the outer walls of the bottoms of the two protective blocks (19) are fixed on the inner wall of the bottom of a shell (1) through four clamping grooves (25), the four clamping grooves (25) are divided into two groups, and the outer walls of the tops of the two groups of clamping grooves (25) are respectively arranged on the outer walls of the bottoms of; the inner wall of the bottom of the shell (1) is provided with a telescopic assembly (24), the extending end of the telescopic assembly (24) is provided with a clamping plate (23), and the inner wall of one side, opposite to the clamping plate (23), of the clamping plate is provided with two damping balls (22).

2. The flexible circuit board for COP materials according to claim 1, wherein the top outer wall of the shell (1) is connected with a case cover (5) through a hinge, the top outer wall of the case cover (5) is provided with a waterproof breathable film (4), the bottom outer wall of the case cover (5) is provided with more than four through holes (13), the bottom outer wall of the case cover (5) is provided with three elastic blocks (12), the inner walls of the three elastic blocks (12) are provided with water pockets (14), and the outer wall of one side of each of the three elastic blocks (12) is provided with a water injection port (15).

3. The flexible circuit board for COP materials according to claim 2, wherein the top outer wall of the shell (1) is provided with a limiting plate (17), one side inner wall of the shell (1) is provided with a branch (16), one side outer wall of the shell (1) is provided with a handle (3), and one end of the handle (3) is connected with one end of the branch (16) through a transmission shaft.

4. The flexible circuit board for COP materials according to claim 3, wherein the outer wall of the shell (1) on both sides is provided with a first heat dissipation port (2), the outer wall of the bottom of the shell (1) is provided with a second heat dissipation port (9), and the outer wall of the circuit board body (20) on both sides is provided with a heat dissipation component (21).

5. The flexible circuit board for COP materials according to claim 4, wherein the outer walls of two sides of the shell (1) are provided with connecting seats (8), the outer walls of two sides of the shell (1) and the outer wall of one side of the two protection blocks (19) are provided with wire holes (18), four wire holes (18) are grouped in pairs, the inner walls of two groups of wire holes (18) are provided with wires (6), one ends of two wires (6) are arranged at one end of the circuit board body (20), and the outer walls of two sides of the shell (1) close to the wire holes (18) are provided with protection pads (7).

6. The flexible circuit board of COP material according to claim 1, the circuit board body (20) comprises a base material (30), two bonding layers (32), two copper foil layers (29), two insulating layers (28) and two protective layers (27), the top outer wall and the bottom outer wall of substrate (30) all are provided with lug (31) more than two, two adhesive linkage (32) set up respectively in the top outer wall and the bottom outer wall of substrate (30), two one side outer wall of copper foil layer (29) sets up respectively in the top outer wall and the bottom outer wall of two adhesive linkage (32), two one side outer wall of insulating layer (28) sets up respectively in the top outer wall and the bottom outer wall of two copper foil layers (29), and one side outer wall of two inoxidizing coatings (27) sets up respectively in the top outer wall and the bottom outer wall of two insulating layers (28).

7. The flexible circuit board of COP material according to claim 6 wherein the substrate (30) is COP material and has a thickness of 12-200 um.

8. The flexible circuit board of COP material of claim 7, wherein the copper foil layer (29) has a thickness of 0.5OZ (0.7mil, 18 um).

9. The COP material flexible wiring board of claim 8, wherein the adhesive layer (32) is one of acrylic and epoxy, and the thermosetting adhesive thickness of the adhesive layer (32) is 25-50 um.