CN219761427U - High-flexibility flexible circuit board - Google Patents
High-flexibility flexible circuit board Download PDFInfo
- Publication number
- CN219761427U CN219761427U CN202321050366.0U CN202321050366U CN219761427U CN 219761427 U CN219761427 U CN 219761427U CN 202321050366 U CN202321050366 U CN 202321050366U CN 219761427 U CN219761427 U CN 219761427U
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- Prior art keywords
- circuit board
- board body
- installation area
- heat
- control module
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 30
- 239000011247 coating layer Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000741 silica gel Substances 0.000 claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 10
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 19
- 239000011241 protective layer Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000011889 copper foil Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses a flexible circuit board with high flexibility, which comprises; the circuit board comprises a circuit board body, wherein one end of the circuit board body is provided with a square main installation area, a control module element is installed on the square main installation area, the other end of the circuit board body is provided with a strip-shaped auxiliary installation area, functional module elements are evenly installed on the strip-shaped auxiliary installation area, and the control module element is covered with a copper alloy round heat conducting fin. According to the utility model, the structure of the device is optimized by installing the circuit board body, the heat-conducting silica gel flexible coating layer and the like, the reinforcing edge locking strip made of flame-retardant rubber is arranged at the edge of the circuit board body, the overall firmness of the circuit board body is improved, and the heat-conducting silica gel flexible coating layer is arranged on the outer side wall of the circuit board body, so that the flexibility of the device is improved, the device is ensured to be wound and bent for many times and not to be broken, and the advantage of high flexibility is realized.
Description
Technical Field
The utility model relates to the technical field of flexible circuit boards, in particular to a flexible circuit board with high flexibility.
Background
With the explosive growth of wearable equipment, flexible display and intelligent equipment, the market demand for flexible circuit boards is also greatly increased, and the flexible circuit boards have excellent characteristics of high wiring density, light weight, thin thickness and good flexibility.
Because the flexible circuit board is usually only a composite structure body formed by the conductive layer and the insulating layer with the metal reinforcing structure, the device is not easy to break when repeatedly wound and bent, but the flexibility of the device is affected, the flexible circuit board is not easy to integrate the functions of high flexibility and high structural strength, and the heat conduction performance of the flexible circuit board is also poor, so that the heat dissipation of electronic elements on the circuit board body is not beneficial, the using effect of the device is poor, the requirements of people are not met, and therefore, a novel flexible circuit board with high flexibility is provided to solve the defects.
Disclosure of Invention
The utility model aims to provide a flexible circuit board with high flexibility, which solves the problems of poor functionality, difficult integration of the functions of high flexibility and high structural strength and low heat conduction and heat dissipation performance in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a flexible circuit board with high flexibility comprises;
the circuit board comprises a circuit board body, wherein one end of the circuit board body is provided with a square main installation area, a control module element is installed on the square main installation area, the other end of the circuit board body is provided with a strip-shaped auxiliary installation area, functional module elements are uniformly installed on the strip-shaped auxiliary installation area, the control module element is covered with a copper alloy round heat conducting sheet for improving the heat conducting and radiating effects of the control module element with high power consumption, a metal reinforcing sheet is uniformly fixed on one side, far away from the copper alloy round heat conducting sheet, of the circuit board body, and the metal reinforcing sheet is made of aluminum alloy and is used for improving the structural strength of the circuit board body and the heat conducting and radiating effects of the back surface of the circuit board body;
the circuit board comprises a circuit board body, a conductive copper foil base layer, insulating film protective layers and a heat-conducting silica gel flexible coating layer, wherein the conductive copper foil base layer is arranged in the side wall of the circuit board body, the insulating film protective layers are fixed on the circuit board body on two sides of the conductive copper foil base layer, and the heat-conducting silica gel flexible coating layer is arranged on the outer side wall of the circuit board body.
Furthermore, the heat conduction adhesive connecting layer is filled between the control module element and the square main installation area as well as between the metal reinforcing sheet and the circuit board body, so that the heat conduction and heat dissipation effect of the circuit board body is optimized, and the firmness of the heat dissipation structure during installation is improved.
Further, the edge of the circuit board body is provided with a reinforcing edge locking strip, so that the structure of the device is optimized.
Further, the material of reinforcement lockstitch strap is fire-retardant rubber, makes it promote the holistic fastness performance of circuit board body.
Further, the metal reinforcing sheets are distributed on the circuit board body at equal intervals, so that the effect of the reinforcing structure is optimized, and the flexible winding treatment of the circuit board body is not influenced by the metal reinforcing structure.
Further, the insulating film protective layer is made of polyimide, so that the insulating effect of the device is optimized.
Further, the electromagnetic shielding film protecting layer is fixed on the circuit board body, which is far away from one side of the conductive copper foil base layer, of the insulating film protecting layer, so that the front side and the back side of the device are well protected against electromagnetic interference, and the using effect of the circuit board body is further enhanced.
Compared with the prior art, the utility model has the beneficial effects that:
the flexible circuit board with high flexibility optimizes the structure of the device by installing the circuit board body, the heat-conducting silica gel flexible coating layer and the like, on one hand, the square main installation area for installing the control module element and the strip-shaped auxiliary installation area for installing the functional module element are arranged on the circuit board body, so that the device realizes the classified assembly of the electronic element and the module, is beneficial to optimizing the circuit distribution, is convenient for maintenance, simultaneously, utilizes the heat-conducting adhesive connecting layer to realize the fixed installation between the control module element and the square main installation area and the metal reinforcing sheet made of aluminum alloy and the circuit board body, and further ensures that the device not only optimizes the heat-conducting and heat-radiating effects of the circuit board body, the heat radiation structure has the advantages that the heat radiation structure is improved in firmness during installation, the metal reinforcing sheets are distributed at equal intervals on the back surface of the circuit board body, the metal reinforcing structure is optimized, the winding and bending treatment of the circuit board body is guaranteed not to be affected on the premise of improving the strength of the device, the reinforcing edge locking strips made of flame-retardant rubber are arranged at the edge of the circuit board body, the firmness of the whole circuit board body is improved, and the heat conduction silica gel flexible coating layers are arranged on the outer side walls of the circuit board body, so that the flexibility of the device is improved, the winding and bending for many times are guaranteed, the breakage is avoided, and the advantage of high flexibility is achieved.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
FIG. 3 is a schematic diagram showing a cross-sectional structure of a side wall of a circuit board body according to the present utility model;
fig. 4 is a schematic rear view of a circular copper alloy heat conducting strip according to the present utility model.
In the figure: 1. a square main mounting area; 2. a control module element; 3. a circuit board body; 4. copper alloy round heat conducting fin; 5. a functional module element; 6. a strip-shaped auxiliary installation area; 7. reinforcing the edge locking strip; 8. a metal reinforcing sheet; 9. a conductive copper foil base layer; 10. an insulating film protective layer; 11. an electromagnetic shielding film protective layer; 12. a thermally conductive silica gel flexible coating; 13. and a thermally conductive adhesive connection layer.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a flexible circuit board with high flexibility comprises;
the circuit board comprises a circuit board body 3, wherein one end of the circuit board body 3 is provided with a square main installation area 1, a control module element 2 is installed on the square main installation area 1, the other end of the circuit board body 3 is provided with a strip-shaped auxiliary installation area 6, functional module elements 5 are uniformly installed on the strip-shaped auxiliary installation area 6, the control module element 2 is covered with a copper alloy round heat conducting sheet 4 for improving the heat conducting and radiating effect of the control module element 2 with high power consumption, one side, far away from the copper alloy round heat conducting sheet 4, of the circuit board body 3 is uniformly fixed with a metal reinforcing sheet 8, the metal reinforcing sheet 8 is made of aluminum alloy and is used for improving the structural strength of the circuit board body 3 and the heat conducting and radiating effect of the back surface of the circuit board body;
the circuit board comprises a circuit board body 3, an insulating film protection layer 10, a conductive copper foil base layer 9, a conductive silicon rubber flexible coating layer 12 and a conductive silicon rubber flexible coating layer, wherein the conductive copper foil base layer 9 is arranged in the side wall of the circuit board body 3;
a heat-conducting adhesive connecting layer 13 is filled between the control module element 2 and the square main mounting area 1 and between the metal reinforcing sheet 8 and the circuit board body 3;
when the heat-conducting and heat-radiating structure is used, the heat-conducting adhesive connecting layer 13 is utilized to realize the fixed installation between the control module element 2 and the square main installation area 1 and between the metal reinforcing sheet 8 and the circuit board body 3, so that the heat-conducting and heat-radiating effects of the circuit board body 3 are optimized, and the firmness of the heat-radiating structure during installation is improved;
the edge of the circuit board body 3 is provided with a reinforcing edge locking strip 7; so that the structure of the device is optimized;
the reinforcing edge locking strip 7 is made of flame-retardant rubber;
when the circuit board is used, the reinforcing edge locking strip 7 made of flame-retardant rubber is arranged at the edge of the circuit board body 3, so that the overall firmness of the circuit board body 3 is improved;
the metal reinforcing sheets 8 are distributed on the circuit board body 3 at equal intervals; the effect of the reinforcing structure is optimized, and the flexible winding treatment of the circuit board body 3 is not influenced by the metal reinforcing structure;
the insulating film protective layer 10 is made of polyimide; so that the insulation effect of the device is optimized;
an electromagnetic shielding film protective layer 11 is fixed on the circuit board body 3 at one side of the insulating film protective layer 10 away from the conductive copper foil base layer 9;
when the circuit board is used, the two electromagnetic shielding film protective layers 11 arranged inside the side wall of the circuit board body 3 are utilized, so that the front and the back of the device are provided with better anti-electromagnetic interference protection, and the using effect of the circuit board body 3 is further enhanced.
The working principle of the utility model is as follows: the square main mounting area 1 for mounting the control module element 2 and the strip-shaped auxiliary mounting area 6 for mounting the functional module element 5 are arranged on the circuit board body 3, so that the device realizes the classified assembly of electronic elements and modules, is beneficial to optimizing the line distribution and is convenient for maintenance, meanwhile, the heat conduction adhesive connecting layer 13 is utilized to realize the fixed mounting between the control module element 2 and the square main mounting area 1 and the metal reinforcing sheet 8 made of aluminum alloy and the circuit board body 3, so that the device not only optimizes the heat conduction and heat dissipation effect of the circuit board body 3, but also improves the firmness of the heat dissipation structure during the mounting, and the metal reinforcing structure is optimized by arranging the metal reinforcing sheets 8 at equal intervals on the back surface of the circuit board body 3, so that the winding and bending treatment of the circuit board body 3 can not be influenced on the premise of improving the strength of the device, furthermore, on one hand, the reinforcing edge locking strip 7 made of flame retardant rubber is arranged at the edge of the circuit board body 3, so that the overall firmness of the circuit board body 3 is improved, on the other hand, the heat conducting silica gel flexible coating layer 12 is arranged on the outer side wall of the circuit board body 3, the flexibility of the device is improved, the device is ensured to be coiled and bent for many times and not to be broken, the advantage of high flexibility is realized, and on the other hand, the two electromagnetic shielding film protective layers 11 arranged inside the side wall of the circuit board body 3 are utilized, so that the front and the back of the device are both provided with better electromagnetic interference resistance protection, the using effect of the circuit board body 3 is further enhanced, on the other hand, the heat conducting adhesive connecting layer 13 is utilized, so that the fixed installation between the control module element 2 and the square main installation area 1 and the metal reinforcing sheet 8 and the circuit board body 3 is realized, the heat conduction and heat dissipation effect of the circuit board body 3 is optimized, and the firmness of the heat dissipation structure during installation is improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A flexible circuit board with high flexibility is characterized by comprising;
the circuit board comprises a circuit board body, wherein one end of the circuit board body is provided with a square main installation area, a control module element is installed on the square main installation area, the other end of the circuit board body is provided with a strip-shaped auxiliary installation area, functional module elements are uniformly installed on the strip-shaped auxiliary installation area, the control module element is covered with a copper alloy round heat conducting sheet for improving the heat conducting and radiating effects of the control module element with high power consumption, a metal reinforcing sheet is uniformly fixed on one side, far away from the copper alloy round heat conducting sheet, of the circuit board body, and the metal reinforcing sheet is made of aluminum alloy and is used for improving the structural strength of the circuit board body and the heat conducting and radiating effects of the back surface of the circuit board body;
the circuit board comprises a circuit board body, a conductive copper foil base layer, insulating film protective layers and a heat-conducting silica gel flexible coating layer, wherein the conductive copper foil base layer is arranged in the side wall of the circuit board body, the insulating film protective layers are fixed on the circuit board body on two sides of the conductive copper foil base layer, and the heat-conducting silica gel flexible coating layer is arranged on the outer side wall of the circuit board body.
2. The flexible circuit board of claim 1, wherein a thermally conductive adhesive connection layer is filled between the control module element and the square main mounting area and between the metal stiffener and the circuit board body.
3. The flexible circuit board of claim 1, wherein a reinforcing lockstitch strap is provided at the edge of the circuit board body.
4. A flexible circuit board with high flexibility according to claim 3, wherein said reinforcing edge strips are made of flame retardant rubber.
5. The flexible circuit board of claim 1, wherein the metal reinforcing sheets are arranged at equal intervals on the circuit board body.
6. The flexible circuit board of claim 1, wherein the insulating film protective layer is polyimide.
7. The flexible circuit board with high flexibility according to claim 1, wherein an electromagnetic shielding film protecting layer is fixed on the circuit board body on one side of the insulating film protecting layer far away from the conductive copper foil base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321050366.0U CN219761427U (en) | 2023-05-04 | 2023-05-04 | High-flexibility flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321050366.0U CN219761427U (en) | 2023-05-04 | 2023-05-04 | High-flexibility flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219761427U true CN219761427U (en) | 2023-09-26 |
Family
ID=88087717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321050366.0U Active CN219761427U (en) | 2023-05-04 | 2023-05-04 | High-flexibility flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219761427U (en) |
-
2023
- 2023-05-04 CN CN202321050366.0U patent/CN219761427U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |