WO2020014865A1 - 一种移动终端 - Google Patents

一种移动终端 Download PDF

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Publication number
WO2020014865A1
WO2020014865A1 PCT/CN2018/095964 CN2018095964W WO2020014865A1 WO 2020014865 A1 WO2020014865 A1 WO 2020014865A1 CN 2018095964 W CN2018095964 W CN 2018095964W WO 2020014865 A1 WO2020014865 A1 WO 2020014865A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
flexible circuit
mobile terminal
component
terminal according
Prior art date
Application number
PCT/CN2018/095964
Other languages
English (en)
French (fr)
Inventor
别文涛
范文
张嘉桓
许其林
王瑞
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to KR1020217001050A priority Critical patent/KR102444601B1/ko
Priority to PCT/CN2018/095964 priority patent/WO2020014865A1/zh
Priority to EP18926414.6A priority patent/EP3806591B1/en
Priority to CN201880095671.7A priority patent/CN112789953B/zh
Priority to US17/260,907 priority patent/US11886240B2/en
Publication of WO2020014865A1 publication Critical patent/WO2020014865A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G06F1/1618—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position the display being foldable up to the back of the other housing with a single degree of freedom, e.g. by 360° rotation over the axis defined by the rear edge of the base enclosure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H05K1/028—Bending or folding regions of flexible printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H05K1/028—Bending or folding regions of flexible printed circuits
    • H05K1/0281—Reinforcement details thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/147—Structural association of two or more printed circuits at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/051—Rolled
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/055—Folded back on itself
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/056—Folded around rigid support or component
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/057—Shape retainable
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2027—Guiding means, e.g. for guiding flexible circuits

Definitions

  • This application relates to the technical field of communications, and in particular, to a mobile terminal.
  • connection structure in a mobile terminal may include a sliding structure or a bent structure.
  • a sliding structure can be applied to a slider terminal
  • a bent structure can be applied to a notebook computer or a folding screen terminal.
  • the sliding structure and the bending structure both involve two components that move relative to each other: a first component 1 and a second component 2, and the two components perform signal transmission through a flexible circuit board.
  • the first component 1 and the second component 2 can be rotated relative to the bending structure 3, and the flexible circuit board 4 is connected to the first component 1 and the second component 2 through the bending structure 3, respectively.
  • the first component 1 and the second component 2 when the first component 1 and the second component 2 rotate relative to the bending structure in the direction of the arrow shown in the figure, the first component 1 and the second component 2 will move toward the bending structure, which will make the flexible circuit board 4 required
  • the path is shortened, so that the flexible circuit board 4 generates a redundant portion.
  • FIG. 2 in a state where the first component 1 and the second component 2 are closed, it is difficult to control the shape of the redundant portion of the flexible circuit board 4, so the redundant portion will irregularly move in the bent structure, and The occurrence of uncontrollable stress concentration can easily cause damage to the flexible circuit board, thereby reducing the life of the flexible circuit board.
  • an embodiment of the present invention provides a mobile terminal including a first component, a second component, a connection structure, and a flexible circuit board, where the first component and the second component perform signals through the flexible circuit board.
  • the flexible circuit board includes a first end and a second end, the first end is electrically connected to the first component, the second end is electrically connected to the second component, and the flexible circuit board is passed through Pass the connection structure, and a part of the flexible circuit board in the connection structure maintains a regular curved structure, and the curved structure includes a plurality of curved portions.
  • connection structure includes a bent structure or a sliding structure.
  • a first reinforcing plate is disposed between the adjacent bending portions.
  • the first reinforcing plate will increase the rigidity of the flexible circuit board, so that during the use of the mobile terminal, part of the flexible circuit board better maintains a regular curved structure, avoiding the flexible circuit board from being damaged by irregular movements, and improving This increases the service life of the flexible circuit board, thereby increasing the service life of the entire mobile terminal.
  • the first reinforcing plate is located on the flexible circuit board or fixed on the mobile terminal.
  • the curved structure includes two curved portions, and the two curved portions form an S-shape.
  • the flexible circuit board is bent into an S-shape, and a first reinforcing plate is provided between adjacent bending portions, so that during the use of the mobile terminal, part of the flexible circuit board maintains the S-shape, thereby avoiding irregularities in the flexible circuit board. Damage caused by movement increases the service life of the flexible circuit board, thereby increasing the service life of the entire mobile terminal.
  • the first component and the second component move differently.
  • the first component and the second component are rotated around the bent structure, and the curvature of the bent portion of the flexible circuit board after the first component and the second component are rotated from the initial state is greater than the initial state.
  • the curvature of the curved portion absorbs the flexible circuit board of the redundant part; in the sliding structure, the first component and the second component slide from the initial state back to each other, and after the sliding, the first component and the first component The distance between the two parts is increased.
  • the curvature of the curved portion when the first and second components are in the initial state is greater than the curvature of the curved portion after the sliding, because the curved structure in the initial state absorbs the flexibility of the redundant part.
  • the curvature of the bent portion becomes smaller to release the flexible circuit board of the redundant portion, so that the first component and the second component can slide normally. If the first component and the second component slide relative to each other and return to the initial state, the curvature of the bent portion will increase to absorb the flexible circuit board of the redundant part, so that the flexible circuit board maintains a regular curved structure, thereby effectively protecting flexibility.
  • the circuit board is not damaged.
  • one or more second reinforcing plates are provided between the first end and the curved structure or between the second end and the curved structure, and the second reinforcement
  • the strong board is located on the flexible circuit board.
  • the mobile terminal includes two of the second reinforcing plates, and one of the second reinforcing plates is disposed between the first end and the curved structure; the first Another second reinforcing plate is disposed between the two ends and the curved structure.
  • This method of symmetrically arranging the second reinforcing plate can make both sides of the flexible circuit board move smoothly at the same time, and evenly move the redundant flexible circuit board to the two bending parts, thereby keeping the flexible circuit board well. Curved structure.
  • the flexible circuit board passes through the center of the connection structure and passes through the connection structure perpendicular to the length direction of the connection structure.
  • the flexible circuit boards on both sides of the connection structure before and after bending are presented with a symmetrical structure, so that the structure of the two bent portions is presented with a symmetrical structure, so that the curved structure of the flexible circuit board can be well maintained.
  • the length L of the first reinforcing plate satisfies: L> H-2R; wherein H is the height of the connection structure and R is the flexible circuit board in the connection structure.
  • the length of the first reinforcing plate is set in this way, so that a plurality of curved portions can maintain a regular curved structure in the connection structure and will not be deployed.
  • the mobile terminal further includes a middle frame and a fixing portion, and the fixing portion is located on an end side of the flexible circuit board and is fixed on the connection structure.
  • the flexible circuit board can be restricted to move within a fixed range, thereby more stably controlling the flexible circuit board to maintain a regular curved structure, thereby improving the service life of the flexible circuit board. , Thereby improving the service life of the mobile terminal.
  • the mobile terminal further includes a middle frame and a fixing portion, and the fixing portion is located on an end side of the flexible circuit board and is fixed on the middle frame.
  • the flexible circuit board can be limited to move within a fixed range, thereby more stably controlling the flexible circuit board to maintain a regular curved structure, thereby improving the service life of the flexible circuit board. , Thereby improving the service life of the mobile terminal.
  • the middle frame includes a first middle frame and a second middle frame
  • the fixing portion includes a first fixing portion and a second fixing portion
  • the first fixing portion and the second fixing portion Located on the flexible circuit board, and the first fixing portion is located between the first end and the curved structure; the second fixing portion is located between the second end and the curved structure, so The first fixing portion is fixed to the first middle frame, and the second fixing portion is fixed to the second middle frame.
  • This method of symmetrically setting the middle frame and the fixed portion can make both sides of the flexible circuit board move uniformly within a fixed range, and smoothly move the redundant flexible circuit board to the two bent portions, and then keep it well.
  • the flexible structure of the flexible circuit board can make both sides of the flexible circuit board move uniformly within a fixed range, and smoothly move the redundant flexible circuit board to the two bent portions, and then keep it well.
  • an embodiment of the present invention provides a connection device applied to a mobile terminal.
  • the mobile terminal includes a first component and a second component.
  • the connection device includes a connection structure and a flexible circuit board. It is characterized in that the flexible circuit board includes a first end and a second end, the flexible circuit board passes through the connection structure, and a part of the flexible circuit board in the connection structure maintains a regular curved structure,
  • the curved structure includes a plurality of curved portions, the first end is used for electrical connection with a first component of the mobile terminal, and the second end is used for electrical connection with a second component of the mobile terminal, so that A signal between the first component and the second component is transmitted through the flexible circuit board.
  • connection structure includes a bent structure or a sliding structure.
  • a first reinforcing plate is disposed between the adjacent bending portions.
  • the first reinforcing plate will increase the rigidity of the flexible circuit board, so that during the use of the mobile terminal, part of the flexible circuit board better maintains a regular curved structure, avoiding the flexible circuit board from being damaged by irregular movements, and improving This increases the service life of the flexible circuit board, thereby increasing the service life of the entire mobile terminal.
  • the first reinforcing plate is located on the flexible circuit board or on the connection structure.
  • the curved structure includes two curved portions, and the two curved portions form an S-shape.
  • the flexible circuit board is bent into an S-shape, and a first reinforcing plate is provided between adjacent bending portions, so that during the use of the connection structure, part of the flexible circuit board maintains the S-shape, and the irregularity of the flexible circuit board is avoided. Damage due to movement increases the life of the flexible circuit board.
  • the first component and the second component move differently.
  • the first component and the second component are rotated around the bent structure, and the curvature of the bent portion of the flexible circuit board after the first component and the second component are rotated from the initial state is greater than the initial state.
  • the curvature of the curved portion absorbs the flexible circuit board of the redundant part; in the sliding structure, the first component and the second component slide from the initial state back to each other, and after the sliding, the first component and the first component The distance between the two parts is increased.
  • the curvature of the curved portion when the first and second components are in the initial state is greater than the curvature of the curved portion after the sliding, because the curved structure in the initial state absorbs the flexibility of the redundant part.
  • the curvature of the bent portion becomes smaller to release the flexible circuit board of the redundant portion, so that the first component and the second component can slide normally. If the first component and the second component slide relative to each other and return to the initial state, the curvature of the bent portion will increase to absorb the flexible circuit board of the redundant part, so that the flexible circuit board maintains a regular curved structure, thereby effectively protecting flexibility.
  • the circuit board is not damaged.
  • one or more second reinforcing plates are provided between the first end and the curved structure or between the second end and the curved structure, and the second The reinforcing plate is located on the flexible circuit board.
  • the mobile terminal includes two of the second reinforcing plates, and one of the second reinforcing plates is disposed between the first end and the curved structure; the first Another second reinforcing plate is disposed between the two ends and the curved structure.
  • This method of symmetrically arranging the second reinforcing plate can make both sides of the flexible circuit board move smoothly at the same time, and evenly move the redundant flexible circuit board to the two bending parts, thereby keeping the flexible circuit board well. S-shaped structure.
  • the first reinforcing plate or the second reinforcing plate is a rigid material.
  • the rigid material is polyimide film (PI), stainless steel, epoxy resin, Mylar or protective film.
  • the flexible circuit board passes through the connection structure, specifically, the flexible circuit board passes through the connection structure vertically through a midpoint of the connection structure.
  • the length of the first reinforcing plate is set in this way, so that a plurality of curved portions can maintain a regular curved structure in the connection structure and cannot be easily deployed.
  • the length of the plate is such that a plurality of curved portions can maintain a regular curved structure in the connection structure and cannot be easily deployed.
  • the first reinforcing plate or the second reinforcing plate is connected to the flexible circuit board by an adhesive method.
  • FIG. 1 is a schematic structural diagram of a mobile terminal in the prior art when it is deployed;
  • FIG. 2 is a schematic structural diagram of a mobile terminal in a prior art when it is bent
  • FIG. 3 is a top view of the mobile terminal when the mobile terminal is deployed according to an embodiment of the present application
  • FIG. 4 is a side view of the mobile terminal when the mobile terminal is deployed according to an embodiment of the present application
  • 5A is a side view of a flexible circuit board in an initial state of a mobile terminal with a bent structure according to an embodiment of the present application
  • FIG. 5B is a side view of the flexible circuit board after the mobile terminal of the bending structure is rotated according to the embodiment of the present application;
  • 6A is a side view of a flexible circuit board in an initial state of a mobile terminal with a sliding structure according to an embodiment of the present application
  • 6B is a side view of the flexible circuit board after the mobile terminal of the sliding structure is slid according to the embodiment of the present application;
  • FIG. 7A is a side view of a bending structure of a mobile terminal according to an embodiment of the present application.
  • FIG. 7B is a side view of another bending structure of the mobile terminal according to an embodiment of the present application.
  • FIG. 9 is an exploded schematic diagram of a flexible circuit board and a reinforcing board according to an embodiment of the present application.
  • FIG. 10 is a side view of the mobile terminal when the mobile terminal is bent according to an embodiment of the present application.
  • part of the flexible circuit board in the mobile terminal provided in the embodiments of the present application can always maintain a regular bending structure, thereby effectively absorbing the redundant circuit board generated during the use of the mobile terminal
  • the problem that the flexible circuit board is easily damaged is solved. The scheme is described in detail below.
  • a mobile terminal provided in an embodiment of the present application has a sliding structure or a bending structure.
  • the sliding structure can be applied to a sliding terminal, and the bending structure can be applied to a notebook computer or a folding screen terminal.
  • FIG. 3 is a top view of the mobile terminal when the mobile terminal is deployed according to an embodiment of the present application.
  • FIG. 4 is a side view of the mobile terminal when the mobile terminal is deployed according to an embodiment of the present application.
  • the connection structure in the mobile terminal includes a sliding structure or a bent structure. The following uses the bent structure as an example to describe the embodiment of the present invention with reference to FIGS. 3 and 4.
  • the mobile terminal includes a first component 10, a second component 20, a bending structure 30, and a flexible circuit board 40.
  • the flexible circuit board 40 includes a first end 401 and a second end 402.
  • the first component 10 is electrically connected
  • the second end 402 is electrically connected to the second component 20
  • the first component 10 and the second component 20 perform signal transmission through a flexible circuit board 40
  • the flexible circuit board 40 passes through Passing the bending structure 30, and a part of the flexible circuit board 40 in the bending structure 30 holds a regular bending structure 50
  • the bending structure 50 (the portion marked by the dashed box in the figure) includes a plurality of Bend, only 501,502 is shown as an example in the figure.
  • the length of the flexible circuit board constituting the curved structure 50 will continuously change to absorb or release the redundant circuit board.
  • a first reinforcing plate 60 is provided between the adjacent curved portions.
  • the first reinforcing plate will increase the rigidity of the flexible circuit board, so that during the use of the mobile terminal, part of the flexible circuit board better maintains a regular curved structure, avoiding the flexible circuit board from being damaged by irregular movements, and improving This increases the service life of the flexible circuit board, thereby increasing the service life of the entire mobile terminal.
  • FIG. 5A is a side view of a flexible circuit board in an initial state of a mobile terminal with a bent structure according to an embodiment of the present application
  • FIG. 5B is a side view of the flexible circuit board after the mobile terminal with a bent structure is provided in an embodiment of the present application.
  • the first member 10 and the second member 20 rotate around the bending structure 30 in the direction of the arrow. Comparing FIG. 5A and FIG. 5B, it can be seen that the curvature of the curved portion in FIG. 5B is greater than the curvature of the curved portion in FIG.
  • FIG. 6A is a side view of the flexible circuit board in the initial state of the mobile terminal with the sliding structure provided in the embodiment of the present application. The distance between the first component 10 and the second component 20 is d1.
  • FIG. 6B is a side view of the flexible circuit board after the mobile terminal with the sliding structure provided in the embodiment of the present application is slid, the first component 10 and the second component 20 slides back to back in the direction of the arrow in FIG. 6A.
  • the distance between the first member 10 and the second member 20 is d2, and d1 ⁇ d2.
  • the curvature of the curved portions in the initial state of the first member 10 and the second member 20 is larger than the curvature of the curved portion after sliding opposite to each other, because the curved structure in the initial state absorbs redundant portions
  • the curvature of the bent portion will become smaller to release the redundant flexible circuit board, so that the first component 10 and the second component 20
  • the component 20 can slide normally.
  • the first component 10 and the second component 20 slide relative to each other and return to the initial state.
  • the curvature of the bent portion will increase to absorb the redundant flexible circuit board, so that the flexible circuit board maintains a regular bend. Structure, thereby effectively protecting the flexible circuit board from damage.
  • the bending structure 50 changes from the state of FIG. 6A In the state of FIG. 6B, the redundant lengths L 6A- L 6B of the flexible circuit board are released during the change.
  • the bending structure of the flexible circuit board will always maintain a regular bending structure, the difference is that the arc size of the bent portion will be different, in other words, the difference is the length of the flexible circuit board constituting the bent structure Differently, the curved structure absorbs the flexible circuit board of the redundant part, which effectively avoids the damage caused by the irregular movement of the flexible circuit board, thereby improving the service life of the flexible circuit board, and thus the service life of the mobile terminal .
  • FIG. 4 is a side view of the mobile terminal when the mobile terminal is deployed according to an embodiment of the present application.
  • the flexible circuit board 40 is bent into a regular bending structure 50 and then put into the bending structure 30.
  • FIG. 7A a side view of a bending structure of a mobile terminal according to an embodiment of the present application is shown.
  • the bending structure 30 is composed of three elongated structural members, wherein the first structural member 301 and the second structural member 302, and the third structural member 303 are bent at both sides of the structure, and the flexible circuit board
  • the bent structure 50 is controlled in the bent structure 30.
  • the bent structure 7A is only a schematic diagram of a bent structure, and the bent structure may also be composed of four long strip-shaped structural members, in which two structural members and two other structural members are divided on both sides of the curved structure,
  • the bending structure of the flexible circuit board is controlled in the bending structure.
  • the bent structure may also adopt a cylindrical structure, punch one or more through holes in the cylindrical structure, pass the flexible circuit board through the through hole, and use the inner wall of the cylindrical structure to connect the flexible circuit.
  • the bending structure of the plate is controlled in the bending structure.
  • the bending structure includes a bending portion 501 and a bending portion 502, and the bending portion 501 and the bending portion 502 form an S-shape.
  • the S-type may be a positive S-type or an inverse S-type.
  • the specific S-type used is determined when the flexible circuit board of the mobile terminal is installed, and the embodiment of the present invention does not specifically limit it.
  • a flexible circuit board can be bent into a positive S-shape or an inverted S-shape and placed in a bent structure.
  • the curved structure may include two or more curved portions. For example, 3 bends, 4 bends, and so on.
  • FIG. 4 shows only the case of two curved portions, and the case of other numbers of curved portions can be referred to the case of two curved portions.
  • it may include three or more curved portions, and the shape of the curved structure is similar to a wave.
  • a first reinforcing plate may be provided between the adjacent bending portions, and the first reinforcing plate is used to enhance the strength of the flexible circuit board, so that the flexible circuit board can maintain a regular bending structure.
  • the first reinforcing plate 60 is shown in FIG. 4.
  • the length L of the first reinforcing plate needs to be able to keep adjacent bent portions from being unfolded in the folded structure.
  • the radius of the bent portion should be greater than the minimum bending radius of the flexible circuit board.
  • the minimum bending radius is a bending radius that meets certain reliability requirements, such as dynamic bending 5w times and 10W times to avoid damage to the flexible circuit board 40. damage.
  • FIG. 4 shows the critical state when the curved structure is deployed.
  • the first reinforcing plate is almost parallel to the height direction of the bending structure, and the Bending is performed at both ends.
  • the flexible circuit board 40 is further stretched, the bending structure will be unfolded. Therefore, in order to prevent the bent structure from being unfolded, the length L1 of the first reinforcing plate satisfies L1> H-2R, H is the height of the bending structure, and R is the radius of the bending portion, so that a plurality of bending portions can maintain a regular bending structure in the bending structure and cannot be easily deployed.
  • one or more second reinforcing plates are provided between the first end and the curved structure or between the second end and the curved structure, and the second reinforcing plates are used for reinforcing
  • the strength of the flexible circuit board enables a portion of the flexible circuit board between the end of the flexible circuit board and the curved structure to maintain a straight structure, thereby smoothly transferring the redundant flexible circuit board to the curved structure, and avoiding the occurrence of the flexible circuit board. Damage caused by regular movement increases the service life of the flexible circuit board, thereby increasing the service life of the entire mobile terminal.
  • the mobile terminal includes two of the second reinforcing plates, and a second reinforcing plate 70 is provided between the first end 401 and the curved structure 50, A second reinforcing plate 70 is disposed between the second end 402 and the curved structure 50.
  • the mobile terminal may further include a plurality of the second reinforcing plates, and a plurality of second reinforcing plates are provided between the first end 401 and the curved structure 50.
  • a plurality of second reinforcing plates may also be provided between the second end 402 and the curved structure 50.
  • the position and number of the second reinforcing plates can be determined according to the actual needs of product design, which are not specifically limited in the embodiment of the present invention. This method of symmetrically arranging the second reinforcing plate can make both sides of the flexible circuit board move smoothly at the same time, and evenly move the redundant flexible circuit board to the two bending parts, thereby keeping the flexible circuit board well. Curved structure.
  • first reinforcing plate or the second reinforcing plate is a rigid material.
  • the rigid material is polyimide film (PI), stainless steel, epoxy resin, Mylar or protective film.
  • FIG. 9 is an exploded schematic diagram of a flexible circuit board and a reinforcing board provided in an embodiment of the present application.
  • the first reinforcing plate 60 is adhesively connected to the flexible circuit board 40 through an adhesive layer 61 at a midpoint position of the flexible circuit board 40.
  • the second reinforcing plate 70 is bonded to the flexible circuit board 40 on both sides of the flexible circuit board 40 through an adhesive layer 61.
  • the above connection method is only a specific connection method, and other methods such as welding, riveting and other common connection methods can also be used for connection.
  • first reinforcing plate 60 and the second reinforcing plate 70 may be on the same surface of the flexible circuit board 40 or on different surfaces of the flexible circuit board 40. As shown in FIG. 9, the first reinforcing plate 60 and the two second reinforcing plates 70 are respectively on two surfaces of the flexible circuit board 40.
  • first reinforcing plate 60 and the two second reinforcing plates 70 may be on the same surface of the flexible circuit board 40; when the mobile terminal includes more than two second reinforcing plates 70
  • the first reinforcing plate 60 and one or more second reinforcing plates 70 are on the same surface of the flexible circuit board 40, and the first reinforcing plate 60 and the remaining one or more second reinforcing plates 70
  • the reinforcing plates 70 are on different sides of the flexible circuit board 40. That is, the first reinforcing plate and the second reinforcing plate may be attached to the same surface or different surfaces of the flexible circuit board, as long as the flexible circuit board can maintain a regular curved structure during the use of the mobile terminal. .
  • the flexible circuit board passes through the bending structure, specifically, the flexible circuit board passes through the center of the bending structure, and passes through the bending structure perpendicular to the length direction of the bending structure.
  • the flexible circuit board can also pass through the bent structure through any position of the bent structure, and it should be set according to actual needs, which is not specifically limited in the embodiment of the present invention.
  • the mobile terminal further includes a middle frame and a fixing portion, and the fixing portion is located on an end side of the flexible circuit board and is fixed on the middle frame.
  • the middle frame and the fixing portion may be bonded together with an adhesive such as double-sided tape or glue.
  • the fixing part may be adhered to the middle frame, and the fixing part may not be adhered to the middle frame. For example, a position opposite to the middle frame that is adhered to the mobile terminal may be used as long as it can perform the fixing function.
  • the number and position of the fixing portions are not specifically limited in the embodiments of the present invention, and need to be set according to actual needs, and the embodiments of the present invention are not specifically limited.
  • the flexible circuit board can be limited to move within a fixed range, thereby more stably controlling the flexible circuit board to maintain a regular curved structure, thereby improving the service life of the flexible circuit board. , Thereby improving the service life of the mobile terminal.
  • the middle frame includes a first middle frame 801 and a second middle frame 802, the fixing portion includes a first fixing portion 901 and a second fixing portion 902, and the first fixing portion 901 and The second fixing portion 902 is located on the flexible circuit board 40, and the first fixing portion 901 is located between the first end 401 and the bending structure 50; the second fixing portion 902 is located at the second Between the end 402 and the curved structure 50, the first fixing portion 901 is fixed to the first middle frame 801, and the second fixing portion 902 is fixed to the second middle frame 802.
  • FIG. 10 is a side view of the mobile terminal when the mobile terminal is bent according to an embodiment of the present application.
  • the first component 10 and the second component 20 rotate around the bending structure 30.
  • the first component 10 is driven by the first middle frame 801
  • the lower part moves a certain distance in the direction of the downward arrow in FIG. 10
  • the second component 20 moves a certain distance in the direction of the downward arrow in FIG. 10 by the second middle frame 802.
  • the flexible circuit board will continuously generate redundancy, and the two bent portions in the curved structure 50 will absorb redundant portions of the flexible circuit board, so that The flexible circuit board maintains a regular bending structure, which effectively improves the service life of the flexible circuit board, thereby increasing the service life of the mobile terminal.
  • the first surface of the first component 10 and the first surface of the second component 20 are adjacent, the second surface of the first component 10 and the second surface of the second component 20 face each other, and the first The first surface of the component 10 and the second surface of the first component 10 face each other, and the first surface of the second component 20 and the second surface of the second component 20 face each other.
  • the mobile terminal further includes a screen 100, one or more devices (eg, 101, 102, 201, 202) and a housing 110, and the one or more devices are located on the first component 10 or the second component 20,
  • the bending structure 30 is fixed to the casing 110, the screen 100 and the casing 110 form a closed space, the first component 10, the second component 20, the one or more devices ( 101, 102, 201, 202), the bent structure 30, the flexible circuit board 40, and the middle frame (801, 802) are contained in the closed space.
  • the mobile terminal further includes a flexible and retractable protective film 111, which is located between the screen 100 and the middle frame.
  • the flexible and retractable protective film 111 is used for the mobile terminal. Protect the screen 100 during bending.
  • the flexible stretchable protective film 111 covers a part of the middle frame.
  • the flexible retractable protective film 111 can also cover the entire middle frame, which is not specifically limited in the embodiment of the present invention.
  • first structural member 301 in FIG. 10 will be bent along with the bending of the screen, and the screen may be damaged during the bending process, so it can also be set between the screen and the first structural member 301 Soft stretchable protective film 111.
  • the first reinforcing plate may also be fixed on the mobile terminal.
  • a first reinforcing plate may be provided in the middle of the structural members of the connection structure.
  • FIG. 7B is a side view of another bending structure of the mobile terminal according to an embodiment of the present application.
  • the first reinforcing plate 60 is located between the first structural member 301 and the second structural member 302 / the third structural member 303, and is fixed on the casing 110.
  • the first reinforcing plate 60 may also be fixed on the middle frame, or the first reinforcing plate 60 may also be fixed on the connection structure 30 so as to have a fixing effect on the first reinforcing plate.
  • the embodiment of the invention does not specifically limit the fixed position of the first reinforcing plate 60.
  • There are many ways to install the flexible circuit board in the bent structure and two bent portions may be respectively located on both sides of the first reinforcing plate 60.
  • the flexible circuit board can be bent into a regular bending structure, and during the use of the mobile terminal, the flexible circuit board can be maintained under the joint action of the connection structure and the first reinforcing plate.
  • the regular bending structure increases the service life of the flexible circuit board, thereby increasing the service life of the entire mobile terminal.
  • the first component and the second component are motherboards.
  • One or more devices can be set on the motherboard.
  • the devices shown can be circuit components such as chips, inductors, or capacitors.
  • the mobile terminal is a folding screen terminal or a notebook computer. That is, the folding screen terminal can use the technical solution in this application, as shown in FIG. 3 and FIG. 4, the folded screen terminal is unfolded, and as shown in FIG. 10, the folded screen terminal is folded.
  • the notebook computer can also use the technical solution in this application.
  • the first device is a screen of a notebook and the second device is a main body of a notebook including a keyboard.
  • the screen and the notebook body are connected through the connection structure of the present invention.
  • the mobile terminal is a slider terminal.
  • the slider terminal can also adopt the technical solution of this application. For a detailed description, refer to the solution described above.

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Abstract

本申请提供了一种移动终端，该移动终端包括第一部件，第二部件，连接结构和柔性电路板，其特征在于，所述第一部件和第二部件通过柔性电路板进行信号传输，所述柔性电路板包括第一端和第二端，所述第一端与所述第一部件电连接，所述第二端与所述第二部件电连接，所述柔性电路板穿过所述连接结构，且在所述连接结构中的部分所述柔性电路板保持有规则的弯曲结构，所述弯曲结构包含多个弯曲部。因此，通过将柔性电路板弯折成有规则的弯曲结构放入连接结构中，从而移动终端在被使用过程中，部分柔性电路板保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。。

Description

一种移动终端 技术领域
本申请涉及到通信的技术领域，尤其涉及到一种移动终端。
背景技术
目前，移动终端中的连接结构可以包括滑动结构或弯折结构。例如：滑动结构可以应用于滑盖终端，弯折结构应用于笔记本电脑或者折叠屏终端。其中，滑动结构和弯折结构都涉及两个相对运动的部件：第一部件1和第二部件2，且该两个部件之间通过柔性电路板进行信号传输。如图1和图2所示，第一部件1和第二部件2可以相对弯折结构3转动，柔性电路板4穿过弯折结构3分别与第一部件1和第二部件2连接。
例如，当第一部件1和第二部件2相对弯折结构沿图示箭头方向转动时，第一部件1和第二部件2会向弯折结构方向移动，这将使得柔性电路板4所需路径缩短，从而柔性电路板4会产生冗余部分。如图2所示，在第一部件1和第二部件2合拢状态下，柔性电路板4的冗余部分很难控制其形状，故冗余部分会在弯折结构内发生无规则运动，会产生无法控制的应力集中，极易导致柔性电路板损坏，从而降低柔性电路板的寿命。
发明内容
第一方面，本发明实施例提供了一种移动终端，该移动终端包括包括第一部件，第二部件，连接结构和柔性电路板，所述第一部件和第二部件通过柔性电路板进行信号传输，所述柔性电路板包括第一端和第二端，所述第一端与所述第一部件电连接，所述第二端与所述第二部件电连接，所述柔性电路板穿过所述连接结构，且在所述连接结构中的部分所述柔性电路板保持有规则的弯曲结构，所述弯曲结构包含多个弯曲部。
通过上述描述可以看出，通过将柔性电路板弯折成有规则的弯曲结构放入连接结构中，从而移动终端在被使用过程中，部分柔性电路板保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
在一种具体的实施方式中，所述连接结构包括弯折结构或者滑动结构。
在一种具体的实施方式中，相邻所述弯曲部之间设置第一补强板。该第一补强板会增加柔性电路板的硬度，从而移动终端在被使用过程中，部分柔性电路板更好的保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
在一种具体的实施方式中，所述第一补强板位于所述柔性电路板上或者固定于所述移动终端上。
在一种具体的实施方式中，所述弯曲结构包含2个弯曲部，且所述2个弯曲部形成S型。通过将柔性电路板弯折成S型，且在相邻弯曲部之间设置第一补强板，从而移动终端在被使用过程中，部分柔性电路板保持S型，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
在一种具体的实施方式中，针对不同的连接结构，所述第一部件和第二部件移动方式 有所不同。在弯折结构中，所述第一部件和第二部件围绕所述弯折结构转动，所述第一部件和第二部件从初始状态转动后的柔性电路板的弯曲部的弧度会比初始状态时弯曲部的弧度大，弯曲结构吸收了冗余部分的柔性电路板；在滑动结构中，所述第一部件和第二部件从初始状态开始相背滑动，滑动后所述第一部件和第二部件之间距离增大，所述第一部件和第二部件处于初始状态时的弯曲部的弧度比滑动后的弯曲部的弧度大，因为初始状态时的弯曲结构吸收了冗余部分的柔性电路板，所述第一部件和第二部件相背滑动后，弯曲部的弧度会变小来释放冗余部分的柔性电路板，从而使得所述第一部件和第二部件可以正常滑动。若所述第一部件和第二部件相对滑动回到初始状态，弯曲部的弧度会变大来吸收冗余部分的柔性电路板，使得柔性电路板保持有规则的弯曲结构，从而有效地保护柔性电路板不受损害。
在一种具体的实施方式中，所述第一端与所述弯曲结构之间或者所述第二端与所述弯曲结构之间设置一个或者多个第二补强板，所述第二补强板位于所述柔性电路板上。这样，柔性电路板的弯曲结构之外的部分可以尽可能的保持直线移动，从而更加顺畅的将冗余部分的柔性电路板转移到弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
在一种具体的实施方式中，所述移动终端包括两个所述第二补强板，且所述第一端与所述弯曲结构之间设置一个所述第二补强板；所述第二端与所述弯曲结构之间设置另一个所述第二补强板。这种对称设置第二补强板的方式，可以使得柔性电路板的两侧同时顺畅移动，均匀的将冗余部分的柔性电路板移动到两个弯曲部，进而很好的保持了柔性电路板的弯曲结构。
在一种具体的实施方式中，所述柔性电路板通过所述连接结构的中心，且垂直于所述连接结构的长度方向穿过所述连接结构。这样，弯折前后处于所述连接结构两侧的柔性电路板呈现对称结构，从而使得两个弯曲部的结构呈现对称结构，从而能够很好的保持柔性电路板的弯曲结构。
在一种具体的实施方式中，所述第一补强板的长度L满足：L＞H-2R；其中，H为所述连接结构的高度，R为所述柔性电路板在所述连接结构中的最大弯折半径。如此设置第一补强板的长度，使得多个弯曲部能够在所述连接结构中保持有规则的弯曲结构，不会被展开。
在一种具体的实施方式中，所述移动终端还包括中框和固定部，所述固定部位于所述柔性电路板端侧，且固定在所述连接结构上。通过将所述柔性电路板固定在连接结构上，可以将柔性电路板限定在固定的范围内移动，从而更加稳定的控制柔性电路板保持有规则的弯曲结构，从而提高了柔性电路板的使用寿命，进而提高了移动终端的使用寿命。
在一种具体的实施方式中，所述移动终端还包括中框和固定部，所述固定部位于所述柔性电路板端侧，且固定在所述中框上。通过将所述柔性电路板固定在中框上，可以将柔性电路板限定在固定的范围内移动，从而更加稳定的控制柔性电路板保持有规则的弯曲结构，从而提高了柔性电路板的使用寿命，进而提高了移动终端的使用寿命。
在一种具体的实施方式中，所述中框包括第一中框和第二中框，所述固定部包含第一固定部和第二固定部，所述第一固定部和第二固定部位于所述柔性电路板上，且所述第一固定部处于所述第一端与所述弯曲结构之间；所述第二固定部位于所述第二端与所述弯曲结构之间，所述第一固定部固定于所述第一中框，所述第二固定部固定于所述第二中框。
这种对称设置中框和固定部的方式，可以使得柔性电路板的两侧在固定的范围内均匀移动，顺畅的将冗余部分的柔性电路板移动到两个弯曲部，进而很好的保持了柔性电路板的弯曲结构。
第二方面，本发明实施例提供了一种连接装置，应用于移动终端，所述移动终端包括第一部件，第二部件，其特征在于，所述连接装置包括连接结构和柔性电路板，其特征在于，所述柔性电路板包括第一端和第二端，所述柔性电路板穿过所述连接结构，且在所述连接结构中的部分所述柔性电路板保持有规则的弯曲结构，所述弯曲结构包含多个弯曲部，所述第一端用于与所述移动终端的第一部件电连接，所述第二端用于与所述移动终端的第二部件电连接，以使得所述第一部件和所述第二部件之间的信号通过所述柔性电路板传输。
通过上述描述可以看出，通过将柔性电路板弯折成有规则的弯曲结构放入连接结构中，从而在连接结构的使用过程中，部分柔性电路板保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命。
在一种具体的实施方式中，所述连接结构包括弯折结构或者滑动结构。
在一种具体的实施方式中，相邻所述弯曲部之间设置第一补强板。该第一补强板会增加柔性电路板的硬度，从而移动终端在被使用过程中，部分柔性电路板更好的保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
在一种具体的实施方式中，所述第一补强板位于所述柔性电路板上或者位于所述连接结构上。
在一种具体的实施方式中，所述弯曲结构包含2个弯曲部，且所述2个弯曲部形成S型。通过将柔性电路板弯折成S型，且在相邻弯曲部之间设置第一补强板，从而在连接结构的使用过程中，部分柔性电路板保持S型，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命。
在一种具体的实施方式中，针对不同的连接结构，所述第一部件和第二部件移动方式有所不同。在弯折结构中，所述第一部件和第二部件围绕所述弯折结构转动，所述第一部件和第二部件从初始状态转动后的柔性电路板的弯曲部的弧度会比初始状态时弯曲部的弧度大，弯曲结构吸收了冗余部分的柔性电路板；在滑动结构中，所述第一部件和第二部件从初始状态开始相背滑动，滑动后所述第一部件和第二部件之间距离增大，所述第一部件和第二部件处于初始状态时的弯曲部的弧度比滑动后的弯曲部的弧度大，因为初始状态时的弯曲结构吸收了冗余部分的柔性电路板，所述第一部件和第二部件相背滑动后，弯曲部的弧度会变小来释放冗余部分的柔性电路板，从而使得所述第一部件和第二部件可以正常滑动。若所述第一部件和第二部件相对滑动回到初始状态，弯曲部的弧度会变大来吸收冗余部分的柔性电路板，使得柔性电路板保持有规则的弯曲结构，从而有效地保护柔性电路板不受损害。
在一种具体的实施方式中，在所述第一端与所述弯曲结构之间或者所述第二端与所述弯曲结构之间设置一个或者多个第二补强板，所述第二补强板位于所述柔性电路板上。这样，柔性电路板的弯曲结构之外的部分可以尽可能的保持直线移动，从而更加顺畅的将冗余部分的柔性电路板转移到弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命。
在一种具体的实施方式中，所述移动终端包括两个所述第二补强板，且所述第一端与 所述弯曲结构之间设置一个所述第二补强板；所述第二端与所述弯曲结构之间设置另一个所述第二补强板。这种对称设置第二补强板的方式，可以使得柔性电路板的两侧同时顺畅移动，均匀的将冗余部分的柔性电路板移动到两个弯曲部，进而很好的保持了柔性电路板的S型结构。
所述第一补强板或第二补强板为刚性材料。所述刚性材料为聚酰亚胺薄膜(PolyimideFilm，PI)，不锈钢，环氧树脂、麦拉或保护膜。
在一种具体的实施方式中，所述柔性电路板穿过所述连接结构具体为所述柔性电路板通过连接结构的中点垂直穿过所述连接结构。
在一种具体的实施方式中，所述第一补强板的长度L满足：L>H-2R或者L＝H-2R；其中，H为所述连接结构的高度，R为所述柔性电路板在所述连接结构中的最大弯折半径。如此设置第一补强板的长度，使得多个弯曲部能够在所述连接结构中保持有规则的弯曲结构，不容易被展开。
在一种具体的实施方式中，也可以设置柔性电路板的长度L2满足L2>L3，L3为L1＝H-2R时可以保证移动终端完成弯折的柔性电路板最短长度，即采用加长柔性电路板的长度的方式，使得多个弯曲部能够在所述连接结构中保持有规则的弯曲结构，不容易被展开。
在一种具体的实施方式中，所述第一补强板或者第二补强板与所述柔性电路板通过粘接方式连接。
通过上述描述可以看出，通过将柔性电路板弯折成有规则的弯曲结构放入连接结构中从而连接结构在被使用过程中，部分柔性电路板保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命。
附图说明
图1为现有技术中移动终端展开时的结构示意图；
图2为现有技术中移动终端弯折时的结构示意图；
图3为本申请实施例提供的移动终端展开时的移动终端的俯视图；
图4为本申请实施例提供的移动终端展开时的移动终端的侧视图；
图5A为本申请实施例提供的弯折结构的移动终端初始状态的柔性电路板侧视图；
图5B为本申请实施例提供的弯折结构的移动终端转动后的柔性电路板侧视图；
图6A为本申请实施例提供的滑动结构的移动终端初始状态的柔性电路板的侧视图；
图6B为本申请实施例提供的滑动结构的移动终端滑动后的柔性电路板的侧视图；
图7A为本申请实施例提供的移动终端的一种弯折结构的侧视图；
图7B为本申请实施例提供的移动终端的另一种弯折结构的侧视图；
图8为本申请实施例提供的移动终端中的弯曲结构被展开时的临界状态；
图9为本申请实施例提供的柔性电路板与补强板的爆炸示意图；
图10为本申请实施例提供的移动终端弯折时的移动终端的侧视图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚地描述， 显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
为了解决柔性电路板易受到损害的问题，本申请实施例提供的移动终端中的部分柔性电路板能够一直保持有规则的弯曲结构，从而有效地吸收了移动终端使用过程中柔性电路板产生的冗余，解决了柔性电路板易受到损害的问题。下面详细对该方案进行详细的描述。
本申请实施例提供的一种移动终端，该移动终端具有滑动结构或者弯折结构等。滑动结构可以应用于滑盖终端，弯折结构应用于笔记本电脑或者折叠屏终端。
图3为本申请实施例提供的移动终端展开时的移动终端的俯视图。图4为本申请实施例提供的移动终端展开时的移动终端的侧视图。移动终端中的连接结构包括滑动结构或弯折结构，下面结合图3和图4以弯折结构为例对本发明实施例进行说明。该移动终端包括第一部件10、第二部件20，弯折结构30和柔性电路板40，所述柔性电路板40包括第一端401和第二端402，所述第一端401与所述第一部件10电连接，所述第二端402与所述第二部件20电连接，所述第一部件10和第二部件20通过柔性电路板40进行信号传输，所述柔性电路板40穿过所述弯折结构30，且在所述弯折结构30中的部分所述柔性电路板40保持有规则的弯曲结构50，所述弯曲结构50(图中虚线框标记的部分)包含多个弯曲部，图中仅示例性的画出501,502。
需要说明的是，移动终端在使用过程中，组成所述弯曲结构50的柔性电路板的长度会不断变化来吸收或者释放冗余部分的柔性电路板。
可选的，相邻所述弯曲部之间设置第一补强板60。该第一补强板会增加柔性电路板的硬度，从而移动终端在被使用过程中，部分柔性电路板更好的保持有规则的弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
需要说明的是，针对不同的连接结构，所述第一部件10和所述第二部件20移动方式有所不同。图5A为本申请实施例提供的弯折结构的移动终端初始状态的柔性电路板侧视图，图5B为本申请实施例提供的弯折结构的移动终端转动后的柔性电路板侧视图，所述第一部件10和第二部件20围绕所述弯折结构30按箭头方向转动。将图5A和图5B进行对比可以看出，图5B中的弯曲部的弧度比图5A的弯曲部的弧度大，即所述第一部件和第二部件转动后的柔性电路板的弯曲部的弧度会比初始状态时弯曲部的弧度大，因为弯曲结构吸收了冗余部分的柔性电路板；图6A为本申请实施例提供的滑动结构的移动终端初始状态的柔性电路板的侧视图，所述第一部件10和第二部件20之间距离为d1，图6B为本申请实施例提供的滑动结构的移动终端滑动后的柔性电路板的侧视图，所述第一部件10和第二部件20沿图6A中箭头方向相背滑动，滑动后所述第一部件10和第二部件20之间距离为d2，d1<d2。在此种滑动结构中，所述第一部件10和第二部件20的初始状态的弯曲部的弧度比相背滑动后的弯曲部的弧度大，因为初始状态时的弯曲结构吸收了冗余部分的柔性电路板，且所述第一部件10和第二部件20相背滑动后，弯曲部的弧度会变小来释放冗余部分的柔性电路板，从而使得所述第一部件10和第二部件20可以正常滑动，所述第一部件10和第二部件20相对滑动回到初始状态，弯曲部的弧度会变大来吸收冗余部分的柔性电路板，使得柔性电路板保持有规则的弯曲结构，从而有效地保护柔性电路板不受损害。
另外，从图5A和图5B进行对比还可以看出，图5A中的弯曲结构50中的柔性电路板的长度L 5A，图5B中的弯曲结构50中的柔性电路板的长度L 5B，L 5A<L 5B，弯曲结构50从图5A的状态变化到图5B的状态，变化过程中吸收了柔性电路板的冗余长度L 5B-L 5A；从图6A和图6B进行对比还可以看出，图6A中的弯曲结构50中的柔性电路板的长度L 6A，图6B中的弯曲结构50中的柔性电路板的长度L 6B，L 6A>L 6B，弯曲结构50从图6A的状态变化到图6B的状态，变化过程中释放了柔性电路板的冗余长度L 6A-L 6B。
不管是转动结构还是滑动结构，所述柔性电路板的弯曲结构会一直保持有规则的弯曲结构，区别是弯曲部的弧度大小会不同，换句话说，区别是组成弯曲结构的柔性电路板的长度不同，弯曲结构吸收了冗余部分的柔性电路板，有效避免了所述柔性电路板因发生无规则运动而造成的损坏，从而提高了柔性电路板的使用寿命，进而提高了移动终端的使用寿命。
图4为本申请实施例提供的移动终端展开时的移动终端的侧视图。所述柔性电路板40被弯折成有规则的弯曲结构50后放入所述弯折结构30中，如图7A为本申请实施例提供的移动终端的一种弯折结构的侧视图。所述弯折结构30由三块长条形的结构件组成，其中第一结构件301和第二结构件302，第三结构件303分处弯曲结构的两侧，并将所述柔性电路板的弯曲结构50控制在所述弯折结构30中。图7A中仅为一种弯折结构的示意图，所述弯折结构也可以采用四块长条形的结构件组成，其中两块结构件和另外两块结构件分处弯曲结构的两侧，将所述柔性电路板的弯曲结构控制在所述弯折结构中。所述弯折结构也可以采用圆柱形结构，在所述圆柱形结构中打一个或者多个通孔，将所述柔性电路板穿过通孔，并且利用圆柱形结构的内壁将所述柔性电路板的弯曲结构控制在所述弯折结构中。
如图4所示，可选的，该弯曲结构包含弯曲部501，弯曲部502，且该弯曲部501和弯曲部502形成S型。需要说明的，S型可以正S型，也可以是反S型，具体采用何种S型在安装移动终端的柔性电路板时确定，本发明实施例不做具体限定。例如，柔性电路板可以被弯折成正S型或反S型后放入弯折结构中。
该弯曲结构还可以包含2个以上弯曲部。例如3个弯曲部，4个弯曲部，以此类推。图4中仅示出2个弯曲部的情况，其他数量弯曲部的情况可以参照2个弯曲部的情况处理。例如：可以包含3个或者以上个弯曲部，弯曲结构的形状类似波浪。
需要说明的是，相邻所述弯曲部之间可以设置第一补强板，该第一补强板用于增强所述柔性电路板的强度，使得所述柔性电路板可以保持有规则的弯曲结构。如图4中的第一补强板60。该第一补强板的长度L需要能够保持相邻弯曲部在弯折结构中不被展开。弯曲部的半径应该大于柔性电路板的最小弯折半径，该最小折弯半径为满足一定的可靠性要求的折弯半径，比如动态弯折5w次，10W次，以避免对柔性电路板40的损害。图3和图4中所示的弯曲部501，弯曲部502仅仅是一个示意，不代表弯曲部的实际弯折角度。一并参考图8中所示，图8中示出了弯曲结构被展开时的临界状态，此时，第一补强板几乎平行于弯折结构的高度方向，并且在第一补强板的两端处进行折弯，在此情况下，若柔性电路板40被进一步拉伸，则弯曲结构将会被展开，因此，为了避免弯曲结构被展开，第一补强板的长度L1满足L1>H-2R，H为弯折结构的高度，R为弯曲部的半径，从而使得多个弯曲部能够在所述弯折结构中保持有规则的弯曲结构，不容易被展开。另外，也可以设置柔性电路板的长度L2满足L2>L3，L3为L1＝H-2R时可以保证移动终端完成弯折的柔性电路板最短长度，即采用加长柔性电路板的长度的方式，来保证柔性电路板不被展开， 使得多个弯曲部能够在所述弯折结构中保持有规则的弯曲结构，不容易被展开。例如：当弯曲结构为S型时，保持S型不被展开。
可选的，在所述第一端与所述弯曲结构之间或者所述第二端与所述弯曲结构之间设置一个或者多个第二补强板，该第二补强板用于增强所述柔性电路板的强度，使得柔性电路板的端点与弯曲结构之间的部分柔性电路板能够保持直线结构，从而将冗余的柔性电路板顺畅的转移至弯曲结构，避免柔性电路板出现无规则运动而受到损害，提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
例如：如图3和图4所示，所述移动终端包括两个所述第二补强板，在所述第一端401与所述弯曲结构50之间设置一个第二补强板70，在所述第二端402与所述弯曲结构50之间设置另一个第二补强板70。所述移动终端还可以包括多个所述第二补强板，在所述第一端401与所述弯曲结构50之间设置多个第二补强板。还可以在所述第二端402与所述弯曲结构50之间设置多个第二补强板。第二补强板的位置和个数可以根据产品设计的实际需要来确定，本发明实施例不做具体限定。这种对称设置第二补强板的方式，可以使得柔性电路板的两侧同时顺畅移动，均匀的将冗余部分的柔性电路板移动到两个弯曲部，进而很好的保持了柔性电路板的弯曲结构。
需要说明的是，所述第一补强板或第二补强板为刚性材料。所述刚性材料为聚酰亚胺薄膜(PolyimideFilm，PI)，不锈钢，环氧树脂、麦拉或保护膜等。
如图9所示，图9为本申请实施例提供的柔性电路板与补强板的爆炸示意图。所述第一补强板60在所述柔性电路板40的中点位置，与所述柔性电路板40通过粘接层61粘接连接。所述第二补强板70在所述柔性电路板40的两侧，与所述柔性电路板40通过粘接层61粘接连接。当然上述的连接方式仅仅为一种具体的连接方式，还可以采用其他的方式进行连接，如焊接、铆接等常见的连接方式。
需要说明的是，所述第一补强板60和所述第二补强板70可以在所述柔性电路板40的相同面上，也可以在所述柔性电路板40的不同面上。如图9所示，所述第一补强板60和两个所述第二补强板70分别在所述柔性电路板40的两个面上。当然，所述第一补强板60和两个所述第二补强板70可以在所述柔性电路板40的相同面上；当所述移动终端包含两个以上第二补强板70时，所述第一补强板60与其中一个或者多个第二补强板70在所述柔性电路板40的相同面上，所述第一补强板60与其余的一个或者多个第二补强板70在所述柔性电路板40的不同面上。即所述第一补强板和所述第二补强板可以贴于所述柔性电路板的相同面或者不同面，只要在使用移动终端过程中柔性电路板可以保持有规则的弯曲结构即可。
可选的，所述柔性电路板穿过所述弯折结构具体为所述柔性电路板通过弯折结构的中心，且垂直于所述弯折结构的长度方向穿过所述弯折结构。当然，所述柔性电路板也可以通过弯折结构的任何位置穿过所述弯折结构，要根据实际需要设置，本发明实施例不做具体限定。
所述移动终端还包括中框和固定部，所述固定部位于所述柔性电路板端侧，且固定在所述中框上。所述中框和所述固定部可以用双面胶或胶水等粘合物粘合在一起。所述固定部可以为一个或者多个。固定部可以粘在中框上，固定部也可以不粘在中框上，例如，粘在移动终端上的与中框相对的一个位置，只要能起到固定的作用即可。固定部的个数和位置本发明实施例不做具体限定，需要根据实际需要设置，本发明实施例不做具体限定。
通过将所述柔性电路板固定在中框上，可以将柔性电路板限定在固定的范围内移动，从而更加稳定的控制柔性电路板保持有规则的弯曲结构，从而提高了柔性电路板的使用寿命，进而提高了移动终端的使用寿命。
例如：如图4所示，所述中框包括第一中框801和第二中框802，所述固定部包含第一固定部901和第二固定部902，所述第一固定部901和第二固定部902位于所述柔性电路板40上，且所述第一固定部901处于所述第一端401与所述弯曲结构50之间；所述第二固定部902位于所述第二端402与所述弯曲结构50之间，所述第一固定部901固定于所述第一中框801，所述第二固定部902固定于所述第二中框802。
图10为本申请实施例提供的移动终端弯折时的移动终端的侧视图。所述移动终端发生弯折时，所述第一部件10和所述第二部件20围绕所述弯折结构30转动，此时，所述第一部件10在所述第一中框801的带动下沿图10中向下的箭头方向移动一定距离，所述第二部件20在所述第二中框802的带动下沿图10中向下的箭头方向移动一定距离。在所述中框沿向下的箭头方向移动的过程中，所述柔性电路板会不断产生冗余，所述弯曲结构50中的两个弯曲部会吸收冗余的部分柔性电路板，使得所述柔性电路板保持有规则的弯曲结构，有效的提高了柔性电路板的使用寿命，进而提高了移动终端的使用寿命。移动终端处于弯折状态时，第一部件10的第一表面和第二部件20的第一表面相邻，第一部件10的第二表面和第二部件20的第二表面相背，第一部件10的第一表面和第一部件10的第二表面相背，第二部件20的第一表面和第二部件20的第二表面相背。
如图4所示，所述移动终端还包括屏幕100，一个或者多个器件(例如：101,102,201,202)，外壳110，所述一个或者多个器件位于所述第一部件10或者第二部件20上，所述弯折结构30固定与所述外壳110上，所述屏幕100与所述外壳110形成一个密闭空间，所述第一部件10，所述第二部件20，所述一个或者多个器件(101,102,201,202)、所述弯折结构30、所述柔性电路板40和所述中框(801，802)容纳于所述密闭空间。
需要说明的是，所述移动终端还包括软性可伸缩保护膜111，该软性可伸缩保护膜111位于在屏幕100与中框之间，该软性可伸缩保护膜111用于在移动终端弯折过程中保护屏幕100。如图4和图10所示，该软性可伸缩保护膜111覆盖中框的一部分。当然，软性可伸缩保护膜111也可覆盖整个中框，本发明实施例不做具体限定。
需要说明的是，图10中的第一结构件301会随着屏幕的弯折而发生弯折，在弯折过程中可能会损害屏幕，故在屏幕和第一结构件301之间也可以设置软性可伸缩保护膜111。
需要说明的是，所述第一补强板还可固定于所述移动终端上。例如：可以在连接结构的结构件中间设置第一补强板。图7B为本申请实施例提供的移动终端的另一种弯折结构的侧视图。该第一补强板60位于所述第一结构件301和所述第二结构件302/所述第三结构件303之间，且固定在外壳110上。另外，该第一补强板60也可以固定在中框上，或者该第一补强板60也可以固定在连接结构30上，能够对该第一补强板起到固定作用即可，本发明实施例不做具体限定该第一补强板60的固定位置。将所述柔性电路板安装在所述弯折结构中可以有很多方式，两个弯曲部分别位于所述第一补强板60的两侧即可。这样可以将所述柔性电路板弯折成有规则的弯曲结构，并且在所述移动终端使用过程中，在所述连接结构和第一补强板的共同作用下使得所述柔性电路板可以保持有规则的弯曲结构，从而提高了柔性电路板的使用寿命，进而提高了整个移动终端的使用寿命。
可选的，所述第一部件和第二部件为主板。在主板上可以设置一个或者多个器件。所 示器件可以是芯片，电感，或者电容等电路元器件。
可选的，所述移动终端为折叠屏终端或者笔记本电脑。即折叠屏终端可以使用本申请中的技术方案，如图3和图4所示，折叠屏终端展开的状态和如图10所示，折叠屏终端弯折后的状态。
笔记本电脑也可以使用本申请中的技术方案。所述第一器件为笔记本的屏幕和第二器件为包含键盘的笔记本的主体。屏幕与笔记本主体通过本发明的连接结构完成连接。
可选的，所述移动终端为滑盖终端。滑盖终端也可以采用本申请的技术方案，详细的描述可以参见上述叙述的方案
以上，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (18)

  1. 一种移动终端，其特征在于，所述移动终端包括第一部件，第二部件，连接结构和柔性电路板，其特征在于，所述第一部件和第二部件通过柔性电路板进行信号传输，所述柔性电路板包括第一端和第二端，所述第一端与所述第一部件电连接，所述第二端与所述第二部件电连接，所述柔性电路板穿过所述连接结构，且在所述连接结构中的部分所述柔性电路板保持有规则的弯曲结构，所述弯曲结构包含多个弯曲部。
  2. 根据权利要求1所述的移动终端，其特征在于，所述连接结构包括弯折结构或者滑动结构。
  3. 根据权利要求1或2所述的移动终端，其特征在于，相邻所述弯曲部之间设置第一补强板。
  4. 根据权利要求1-3任一项所述的移动终端，其特征在于，所述弯曲结构包含2个弯曲部，且所述2个弯曲部形成S型。
  5. 根据权利要求1-4任一项所述的移动终端，其特征在于，在所述第一端与所述弯曲结构之间或者所述第二端与所述弯曲结构之间设置一个或者多个第二补强板，所述第二补强板位于所述柔性电路板上。
  6. 根据权利要求5所述的移动终端，其特征在于，所述移动终端包括两个所述第二补强板，且所述第一端与所述弯曲结构之间设置一个所述第二补强板；所述第二端与所述弯曲结构之间设置另一个所述第二补强板。
  7. 根据权利要求1-6任一项所述的移动终端，其特征在于，所述第一补强板或第二补强板为刚性材料。
  8. 根据权利要求7所述的移动终端，其特征在于，所述刚性材料为聚酰亚胺薄膜(PolyimideFilm，PI)，不锈钢，环氧树脂、麦拉或保护膜。
  9. 根据权利要求1至8任一项所述的移动终端，其特征在于，所述柔性电路板通过所述连接结构的中心，且垂直于所述连接结构的长度方向穿过所述连接结构。
  10. 根据权利要求1至9任一项所述的移动终端，所述第一补强板的长度L满足：L>H-2R或者L＝H-2R；其中，H为所述连接结构的高度，R为所述柔性电路板在所述连接结构中的最大弯折半径。
  11. 如权利要求1～10任一项所述的移动终端，其特征在于，所述第一补强板或者第二补强板与所述柔性电路板通过粘接方式连接。
  12. 根据权利要求1～11任一项所述的移动终端，其特征在于，所述移动终端还包括中框和固定部，所述固定部位于所述柔性电路板端侧，且固定在所述中框上。
  13. 根据权利要求12所述的移动终端，其特征在于，所述中框包括第一中框和第二中框，所述固定部包含第一固定部和第二固定部，所述第一固定部和第二固定部位于所述柔性电路板上，且所述第一固定部处于所述第一端与所述弯曲结构之间；所述第二固定部位于所述第二端与所述弯曲结构之间，所述第一固定部固定于所述第一中框，所述第二固定部固定于所述第二中框。
  14. 根据权利要求12或13所述的移动终端，其特征在于，所述移动终端还包括屏幕，一个或者多个器件，外壳，所述一个或者多个器件位于所述第一部件或者第二部件上，所述连接结构固定与所述外壳上，所述屏幕与所述外壳形成一个密闭空间，所述第一部件，所述第二部件，所述一个或者多个器件、所述连接结构、柔性电路板和所述中框容纳于所 述密闭空间。
  15. 根据权利要求1-14任一项所述的移动终端，其特征在于，所述第一部件和第二部件为主板。
  16. 根据权利要求1-15任一项所述的移动终端，其特征在于，所述移动终端为折叠屏终端或者笔记本电脑。
  17. 根据权利要求1-13任一项所述的移动终端，其特征在于，所述第一部件为屏幕和第二部件为包含键盘的移动终端的主体。
  18. 根据权利要求1-13任一项所述的移动终端，其特征在于，所述移动终端为滑盖终端。
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