WO2025145386A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2025145386A1
WO2025145386A1 PCT/CN2024/070603 CN2024070603W WO2025145386A1 WO 2025145386 A1 WO2025145386 A1 WO 2025145386A1 CN 2024070603 W CN2024070603 W CN 2024070603W WO 2025145386 A1 WO2025145386 A1 WO 2025145386A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
groove
module
sub
housing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2024/070603
Other languages
English (en)
French (fr)
Inventor
孙健
张亮亮
赵奎兵
平林泉
吴凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Honor Device Co Ltd
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 Honor Device Co Ltd filed Critical Honor Device Co Ltd
Priority to PCT/CN2024/070603 priority Critical patent/WO2025145386A1/zh
Priority to CN202480037066.XA priority patent/CN121359437A/zh
Publication of WO2025145386A1 publication Critical patent/WO2025145386A1/zh
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets

Definitions

  • the present application relates to the technical field of electronic devices, and more particularly, to a foldable electronic device.
  • magnets that meet certain magnetic attraction requirements are usually used, and the magnets are usually placed around the electronic device and/or at the corners.
  • the strong magnetic attraction can easily attract small sand, iron scraps and other foreign objects in the external environment to the display screen. When the display screen is closed, these foreign objects are sandwiched in the middle of the display screen and damage the display screen. Not only will the display screen be scratched, but it may even directly penetrate into the interior of the display screen, causing damage to the display screen of the electronic device.
  • a corresponding side of the second magnetic module has a third magnetic pole with a polarity opposite to the first magnetic pole and a fourth magnetic pole with a polarity opposite to the second magnetic pole.
  • the third magnetic pole and the fourth magnetic pole are adjacently arranged and have opposite polarities.
  • first magnetic poles and multiple second magnetic poles there are multiple first magnetic poles and multiple second magnetic poles, and the multiple first magnetic poles and multiple second magnetic poles are arranged in a checkerboard pattern; there are multiple third magnetic poles and multiple fourth magnetic poles, and the multiple third magnetic poles and multiple fourth magnetic poles are arranged in a checkerboard pattern.
  • the first magnetic module and the second magnetic module are formed in a square shape, and the overall structure is compact, which is conducive to being arranged in relatively compact locations such as corners.
  • the first magnetic module includes a first magnetic member, which is a multi-pole magnetized permanent magnet;
  • the second magnetic module includes a second magnetic member, which is a multi-pole magnetized permanent magnet.
  • the first magnetic module group and the second magnetic module group are both composed of a multi-pole magnetized permanent magnet, so that the first magnetic module group and the second magnetic module group have high integration and can be easily assembled.
  • the first magnetic module includes a plurality of third magnetic members, each of which is a unipolar magnetized permanent magnet; the second magnetic module includes a plurality of fourth magnetic members, each of which is a unipolar magnetized permanent magnet.
  • the first magnetic module and the second magnetic module are both composed of multiple unipolar magnetized permanent magnets, and existing unipolar magnet products can be directly selected for combination, thus eliminating the need for special customized processing, reducing the manufacturing difficulty and production cost of the first magnetic module and the second magnetic module.
  • a plurality of third magnetic members are arranged at intervals; a plurality of fourth magnetic members are arranged at intervals.
  • the first magnetic module includes a first magnetic member and multiple third magnetic members, the first magnetic member is a multi-pole magnetized permanent magnet, and each third magnetic member is a monopole magnetized permanent magnet;
  • the second magnetic module includes a second magnetic member and multiple fourth magnetic members, the second magnetic member is a multi-pole magnetized permanent magnet, and each fourth magnetic member is a monopole magnetized permanent magnet.
  • the first receiving groove is used to quickly locate the installation position of the first magnetic module on the first middle frame
  • the second receiving groove is used to quickly locate the installation position of the second magnetic module on the second middle frame, thereby improving the assembly efficiency of the first magnetic module and the first casing, and the second magnetic module and the second casing.
  • the edge of the first magnetic conductive sheet has a first limiting portion formed by a bend, there is a gap between the first magnetic module group and the side wall of the first accommodating groove, and the first limiting portion is arranged in the gap; and/or, the edge of the second magnetic conductive sheet has a second limiting portion formed by a bend, there is a gap between the second magnetic module group and the side wall of the second accommodating groove, and the second limiting portion is arranged in the gap.
  • the limiting part is used to prevent the magnetic module from shaking in the receiving groove.
  • a first gap for inserting external tools is formed between the first magnetic module and the side wall of the first accommodating groove; and/or a second gap for inserting external tools is formed between the second magnetic module and the side wall of the second accommodating groove.
  • the first accommodating groove includes a first sub-groove, a second sub-groove and a third sub-groove, and the first sub-groove, the second sub-groove and the third sub-groove are all provided with a first magnetic module; the first sub-groove is located at a corner of the first middle frame away from the shaft assembly, and the second sub-groove and the third sub-groove are located at another corner of the first middle frame away from the shaft assembly; the second accommodating groove includes a fourth sub-groove, a fifth sub-groove and a sixth sub-groove, and the fourth sub-groove, the fifth sub-groove and the sixth sub-groove are all provided with a second magnetic module; the fourth sub-groove is located at a corner of the second middle frame away from the shaft assembly, and the fifth sub-groove and the sixth sub-groove are located at another corner of the second middle frame away from the shaft assembly.
  • the magnetic sensitive devices are easily disturbed by the magnetic field generated by the magnetic modules, which will cause problems such as functional failure or poor working accuracy of the magnetic sensitive devices.
  • the magnetic modules arranged at the corners can avoid most of the area on the housing, thereby providing more sufficient design and installation positions for these magnetic sensitive devices.
  • the first magnetic module in the first sub-slot has two first magnetic poles and two second magnetic poles, and the two first magnetic poles and the two second magnetic poles are arranged in a checkerboard pattern;
  • the second magnetic module in the fourth sub-slot has two third magnetic poles and two fourth magnetic poles, and the two third magnetic poles and the two fourth magnetic poles are arranged in a checkerboard pattern.
  • the groove side walls of the first sub-groove and the second sub-groove both have round chamfers; the groove side walls of the fourth sub-groove and the fifth sub-groove have round chamfers.
  • the rounded chamfers provided on the side walls of the groove can disperse stress, thereby preventing stress concentration from occurring at the grooves on the housing, thereby improving the strength of the housing and being able to withstand greater impact force when it falls.
  • FIG. 9 is a schematic diagram of the distribution of magnetic flux lines when the first magnetic module and the second magnetic module are close to each other provided in an embodiment of the present application;
  • FIG. 27 is a schematic diagram of a ninth example of the first magnetic module and the second magnetic module provided in an embodiment of the present application.
  • FIG29 is a schematic diagram of a third example of a first middle frame and a second middle frame provided in an embodiment of the present application.
  • FIG. 30 is a schematic diagram of the magnetic modules in the first receiving groove and the second receiving groove in FIG. 29 .
  • Rotating shaft assembly 40, first magnetic module; 401, first magnetic pole; 402, second magnetic pole; 41, first magnetic member; 42, third magnetic member; 43, first gap; 50, second magnetic module; 501, third magnetic pole; 502, fourth magnetic pole; 51, second magnetic member; 52, fourth magnetic member; 60.
  • Display screen 70. Magnet; 71. Foreign matter; 80. Equipment casing.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
  • installed should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
  • a relationship means that there can be three types of relationships.
  • a and/or B can mean that A exists alone, A and B exist at the same time, and B exists alone.
  • Flexible screens have the property of being bendable and have been applied to foldable electronic devices such as mobile phones, tablet computers, bracelets, game consoles, and wearable devices.
  • the display screens of such electronic devices can increase the display size without increasing the volume, while also having a high screen-to-body ratio and clarity.
  • a foldable mobile phone when folded, it can be only the size of a traditional mobile phone, which is convenient for carrying and storage, but when unfolded, it can have the display size of a tablet computer, giving the mobile phone a larger display area to improve the user's viewing and operating experience.
  • the flexible screen has a special stacking structure, which results in a relatively large overall stiffness (ability to resist bending). After folding, it will generate a rebound force that can drive the device to flatten. In order to offset the rebound force of the flexible screen after the device is folded, magnets need to be arranged in the foldable electronic device to achieve a tight attraction of the entire device when folded.
  • the magnets used in foldable electronic devices need to meet certain magnetic attraction requirements, and the magnets are usually placed around and/or at the corners of the foldable electronic device.
  • excessive magnetic attraction can easily attract small sand, iron scraps and other foreign objects in the external environment to the display screen, and these small foreign objects are difficult to be detected by the user's naked eye.
  • the foreign objects tightly sandwiched in the middle will produce strong destructive force, which will not only scratch the display screen, but may even directly penetrate into the interior of the display screen, eventually causing damage to the display screen of the electronic device.
  • Figure 1 is a schematic diagram of solution one in the related art.
  • Figure 2 is a schematic diagram of solution two in the related art.
  • Solution 1 thickens the magnet 70 so that the magnetic attraction of the magnet 70 can penetrate the device housing 80 and exert its effect, thereby allowing the foreign matter 71 to be guided and adsorbed to the back side of the device housing 80, i.e., the side indicated by A in FIG1 , thereby reducing the probability of the foreign matter 71 being attracted to the display screen 60.
  • excessive thickness of the magnet 70 will occupy the internal space of the device housing 80, thereby reducing the thickness of the substrate of the device housing 80 at that location, thereby causing a decrease in strength, especially when the magnet 70 is arranged at the corner of the display screen 60, which is easily damaged during a device drop test, and the reliability of the device is poor.
  • Solution 2 does not change the thickness of the magnet 70, but only shifts the arrangement position of the magnet 70 to the middle position of the display screen 60, so that the magnet 70 has a certain safety distance from the edge of the device housing 80, so that the magnetic attraction of the magnet 70 to the foreign object 71 at the edge of the device housing 80 is reduced, so that the magnet 70 is not easy to attract the foreign object 71 to the display screen 60.
  • the magnet 70 is too far away from the edge of the device housing 80, which will cause the electronic device to have a weaker attraction at the corner when it is in the folded state, that is, the position indicated by B in FIG2, where the adhesion effect is not good, making the user feel soft when unfolding the electronic device, thereby affecting the user's experience when opening and closing the electronic device.
  • the present application provides an electronic device, which weakens the magnetic attraction effect on foreign objects 71 outside the casing by adopting a special magnetic pole design for the first magnetic module 40 and the second magnetic module 50, so as to ensure the safety of the display screen 60; it can also reduce the space occupied by the magnetic module in the internal space of the casing, ensure the thickness of the base material of the casing, and ensure its reliable strength; it also avoids affecting the attraction force at the corners of the electronic device, ensuring that the electronic device is in a folded state.
  • An embodiment of the present application provides an electronic device, which may also be referred to as a mobile device, a terminal device, a mobile terminal or a terminal.
  • the electronic device includes but is not limited to a handheld device, a vehicle-mounted device, a wearable device, a computing device or other processing device connected to a wireless modem.
  • the electronic device may be a foldable mobile phone, a foldable tablet computer, a foldable game handheld, a foldable e-reader, a foldable wearable device, etc., and may also be other electronic devices with a foldable function and requiring a design to prevent foreign matter 71 from being attracted.
  • Fig. 3 is a schematic diagram of a foldable mobile phone provided in an embodiment of the present application in a flattened state.
  • Fig. 4 is a schematic diagram of a foldable mobile phone provided in an embodiment of the present application in a folded state.
  • a foldable mobile phone provided in an embodiment of the present application includes a first housing 10, a second housing 20, a hinge assembly 30, and a display screen 60.
  • the first housing 10 and the second housing 20 are arranged side by side, and the hinge assembly 30 is connected between the first housing 10 and the second housing 20 to rotatably connect the first housing 10 and the second housing 20, so that the first housing 10 and the second housing 20 can switch between a folded state and a flattened state.
  • the display screen 60 is arranged above the first housing 10, the hinge assembly 30, and the second housing 20.
  • the first housing 10 and the second housing 20 are used to carry the display screen 60 and protect the internal components of the foldable mobile phone.
  • the parts of the display screen 60 at both ends are fixedly connected to the first housing 10 and the second housing 20 respectively.
  • the first housing 10 can be a hard shell
  • the second housing 20 can also be a hard shell, so that the first housing 10 and the second housing 20 can firmly support the two ends of the display screen 60.
  • the hinge assembly 30 can be deformed as the second housing 20 is folded or flattened relative to the first housing 10, and can restrict the second housing 20 from being separated from the first housing 10.
  • the two opposite sides of the hinge assembly 30 are respectively connected to the first housing 10 and the second housing 20, and the hinge assembly 30 utilizes its own rotatable characteristics to allow the first housing 10 to be flipped relative to the second housing 20, so that the first housing 10 is folded relative to the second housing 20, or flattened, or in a state between folding and flattening.
  • the first housing 10 and the second housing 20 can be folded or flattened with each other, so that the foldable mobile phone provided in the embodiment of the present application has multiple modes, which can meet the user's usage needs in different scenarios.
  • the first housing 10 and the second housing 20 can be folded with each other, so that the display screen 60 can fit together, so that the foldable mobile phone switches to the closed mode, at which time the foldable mobile phone has a smaller volume, so that it is convenient for users to store and carry it.
  • the first housing 10 and the second housing 20 can be in a state between folding and flattening, for example, forming an angle of 90 to 120 degrees between the two, so that the foldable mobile phone can be switched to a usage mode where it can be placed on a desktop.
  • the first housing 10 and the display screen 60 thereon can face the user, and the second housing 20 is placed on a placement surface such as a storage table or a desk, and the second housing 20 has a function similar to a counterweight base, which can ensure that the foldable mobile phone is placed stably.
  • the first housing 10 and the second housing 20 are arranged up and down, so that the foldable mobile phone can be folded in half up and down.
  • the first housing 10 and the second housing 20 are arranged left and right, so that the foldable mobile phone can be folded left and right, for example, as shown in FIG. 4 .
  • the hinge assembly 30 is also used to support the display screen 60 to prevent the display screen 60 from collapsing.
  • the hinge assembly 30 is provided with a display screen 60 support assembly, which can rise to support the display screen 60 as the hinge assembly 30 is flattened, and can also fall to make room for the display screen 60 as the hinge assembly 30 is folded.
  • the display screen 60 may be a flexible screen that is foldable in its entirety, or the display screen 60 may be a combination of a foldable flexible screen in the middle area and rigid screens at both ends, which is not limited in the present application.
  • the foldable mobile phone may further include multiple modules, and the multiple modules may be housed inside the first housing 10 and the second housing 20.
  • the multiple modules of the foldable mobile phone may include but are not limited to a motherboard, a processor, a memory, a battery, a camera module, an earpiece module, a speaker module, a microphone module, an antenna module, a sensor module, etc. This application does not specifically limit the number, type, location, etc. of the modules of the foldable mobile phone.
  • the foldable mobile phone may also be a structure that can be folded three or more times, that is, the foldable mobile phone includes three or more housing parts, two adjacent housing parts are connected by a rotating shaft assembly 30, and the two adjacent housing parts can be rotated relative to each other to overlap each other or rotated away from each other to be flattened.
  • the magnetic module structure used by the foldable mobile phone can refer to the description of the two-fold structure of this embodiment for adaptive design, and this application will not repeat it in detail.
  • FIG. 5 is a schematic diagram of the first magnetic module 40 after the first housing 10 is hidden and the second magnetic module 50 after the second housing 20 is hidden in FIG. 4 .
  • the side where the first magnetic module 40 and the second magnetic module 50 are attracted to each other has a first magnetic pole 401 and a second magnetic pole 402 that are adjacently arranged and have opposite polarities.
  • the first magnetic pole 401 is an S pole
  • the second magnetic pole 402 is an N pole.
  • the corresponding side of the second magnetic module 50 that is, the side where the second magnetic module 50 is attracted to the first magnetic module 40, has a third magnetic pole 501 with a polarity opposite to that of the first magnetic pole 401, and also has a fourth magnetic pole 502 with a polarity opposite to that of the second magnetic pole 402.
  • the third magnetic pole 501 and the fourth magnetic pole 502 are adjacently arranged and have opposite polarities.
  • the third magnetic pole 501 is an N pole
  • the fourth magnetic pole 502 is an S pole.
  • Fig. 6 is a schematic diagram of the magnetic flux distribution of a magnet 70 in the related art.
  • Fig. 7 is a schematic diagram of the magnetic flux distribution when two magnets 70 are close to each other in the related art.
  • the magnetic flux lines will preferentially select the nearest opposite pole to form a magnetic loop, that is, a magnetic loop is formed between the first magnetic pole 401 and the second magnetic pole 402 which are adjacently arranged and have opposite polarities on the first magnetic module 40, and a magnetic loop is also formed nearby on the side of the first magnetic module 40 which is opposite to the first magnetic pole 401 and the second magnetic pole 402.
  • the magnetic flux lines of the first magnetic module 40 constituting the magnetic loop are closer or gathered near itself.
  • the distribution range of the magnetic flux lines of the first magnetic module 40 is smaller, and the coverage range of the magnetic field force is also smaller. Therefore, the magnetic field generated by the first magnetic module 40 is not easy to cover the foreign matter 71 outside the first housing 10, and thus the foreign matter 71 is not easily attracted to the display screen 60.
  • FIG. 9 is a schematic diagram showing the distribution of magnetic flux lines when the first magnetic module 40 and the second magnetic module 50 in FIG. 5 are close to each other.
  • a multi-pole magnetized permanent magnet is introduced to achieve the multi-pole effect in the embodiments of the present application.
  • the first magnetic module 40 includes a first magnetic member 41, which is a multi-pole magnetized permanent magnet.
  • the second magnetic module 50 includes a second magnetic member 51, which is a multi-pole magnetized permanent magnet.
  • multi-pole magnetization is performed using a customized magnetization fixture, and after magnetization, there are two or more pairs of N poles and S poles on the same magnet, that is, one surface has two or more magnetic poles.
  • a first magnetic member 41 there are two pairs of magnetic poles with opposite polarities, wherein the bottom of the first magnetic member 41 has two magnetic poles, namely, the first magnetic pole 401 (S pole) and the second magnetic pole 402 (N pole), and in contrast, the top of the first magnetic member 41 has an N pole and an S pole.
  • a second magnetic member 51 two pairs of magnetic poles with opposite polarities are magnetized, wherein the top of the second magnetic member 51 has two magnetic poles, namely the third magnetic pole 501 (N pole) and the fourth magnetic pole 502 (S pole), and correspondingly, the bottom of the second magnetic member 51 has an S pole and an N pole.
  • FIG. 11 is a schematic diagram of a second example of the first magnetic module 40 and the second magnetic module 50 provided in an embodiment of the present application.
  • the first magnetic module 40 includes a plurality of third magnetic members 42, each of which is a unipolar magnetized permanent magnet.
  • the second magnetic module 50 includes a plurality of fourth magnetic members 52, each of which is a unipolar magnetized permanent magnet.
  • the second magnetic module 50 is composed of two fourth magnetic members 52.
  • a pair of magnetic poles with opposite polarities are magnetized on each fourth magnetic member 52.
  • the tops of the two fourth magnetic members 52 have a third magnetic pole 501 (N pole) and a fourth magnetic pole 502 (S pole), respectively.
  • the magnetic flux lines will preferentially select the nearest opposite pole to form a magnetic loop, so that the magnetic flux lines of the multi-pole magnet or the multi-pole magnet group are closer or gathered near themselves, and the more magnetic poles there are, the more obvious the gathering effect will be.
  • the present application further improves the first magnetic module 40 and the second magnetic module 50.
  • FIG. 12 is a schematic diagram of a third example of the first magnetic module 40 and the second magnetic module 50 provided in an embodiment of the present application.
  • first magnetic poles 401 and multiple second magnetic poles 402 there are multiple first magnetic poles 401 and multiple second magnetic poles 402, and the multiple first magnetic poles 401 and multiple second magnetic poles 402 are alternately arranged along a specified direction.
  • third magnetic poles 501 and multiple fourth magnetic poles 502 there are multiple third magnetic poles 501 and multiple fourth magnetic poles 502, and the multiple third magnetic poles 501 and multiple fourth magnetic poles 502 are alternately arranged along a specified direction.
  • the first magnetic module 40 has multiple first magnetic poles 401 and multiple second magnetic poles 402 and the second magnetic module 50 has multiple third magnetic poles 501 and multiple fourth magnetic poles 502, which not only makes the magnetic lines of force closer or gather near themselves, thereby further weakening the magnetic attraction effect on foreign objects 71 outside the casing; at the same time, the first magnetic pole 401 and the second magnetic pole 402, the third magnetic pole 501 and the fourth magnetic pole 502 are arranged alternately along the specified direction, so the first magnetic module 40 and the second magnetic module 50 formed are in the shape of straight strips, which is conducive to arranging the first magnetic module 40 and the second magnetic module 50 around the casing.
  • the suction effect formed after the mobile phone is folded is a linear suction connection, that is, there can be suction all around the casing, which can reduce or even eliminate the suction blind area. Since the opening and closing feel of the suction blind zone is softer than that of the suction area, the present embodiment can reduce or even eliminate the suction blind zone, so that when the user unfolds the housing, the opening and closing feel felt at any point is the same, thereby improving the user experience.
  • the first magnetic module 40 is composed of a first magnetic member 41, and the bottom of the first magnetic member 41 has a plurality of first magnetic poles 401 and a plurality of second magnetic poles 402, and the plurality of first magnetic poles 401 and the plurality of second magnetic poles 402 are arranged alternately along the Y direction.
  • the second magnetic module 50 is composed of a second magnetic member 51, and the top of the second magnetic member 51 has a plurality of third magnetic poles 501 and a plurality of fourth magnetic poles 502, and the plurality of third magnetic poles 501 and the plurality of fourth magnetic poles 502 are arranged alternately along the Y direction.
  • FIG. 13 is a schematic diagram of a fourth example of the first magnetic module 40 and the second magnetic module 50 provided in an embodiment of the present application.
  • the first magnetic module 40 is composed of a plurality of third magnetic members 42, the plurality of third magnetic members 42 are arranged along the Y direction, and the magnetic poles of two adjacent third magnetic members 42 are opposite, so as to form a pattern in which a plurality of first magnetic poles 401 and a plurality of second magnetic poles 402 are arranged alternately along the Y direction.
  • the magnetic structure composed of multiple unipolar magnetized permanent magnets can also be called a Halbach array.
  • the first magnetic module 40 is a Halbach array composed of 7 unipolar magnetized permanent magnets (third magnetic member 42 )
  • the second magnetic module 50 is a Halbach array composed of 7 unipolar magnetized permanent magnets (fourth magnetic member 52 ).
  • FIG. 14 is a schematic diagram of a fifth example of the first magnetic module 40 and the second magnetic module 50 provided in an embodiment of the present application.
  • the first magnetic module 40 is composed of three monopolar magnetized permanent magnets (third magnetic component 42 ) forming a Halbach magnet array
  • the second magnetic module 50 is composed of three monopolar magnetized permanent magnets (fourth magnetic component 52 ) forming a Halbach magnet array.
  • FIG. 15 is a schematic diagram showing the distribution of magnetic flux lines of the first magnetic module 40 in FIG. 14 .
  • the approximate distribution of the magnetic flux lines is as follows: the magnetic flux lines point from the second magnetic pole 402 (N pole) to the two adjacent first magnetic poles 401 (S poles) to form a part of the magnetic circuit of the first magnetic module 40 itself; on the side facing away from the first magnetic pole 401 and the second magnetic pole 402, the magnetic flux lines point from the two N poles to the middle S pole to form a part of the magnetic circuit; the two N poles facing away from the first magnetic pole 401 point to the two first magnetic poles 401 to form a part of the magnetic circuit.
  • the approximate distribution of the magnetic flux lines is similar to that of the first magnetic module 40 , and the magnetic flux lines constituting the magnetic circuit are also brought closer to or gathered near the second magnetic module 50 itself, which will not be repeated here.
  • FIG. 16 is a schematic diagram showing the distribution of magnetic flux lines when the first magnetic module 40 and the second magnetic module 50 in FIG. 14 are close to each other.
  • the first housing 10 and the second housing 20 are attached to each other, as shown in FIG16 .
  • the first magnetic module 40 and the second magnetic module 50 are attracted to each other, and the distribution of magnetic flux lines between the first magnetic module 40 and the second magnetic module 50 is as follows: the two third magnetic poles 501 (N poles) point to the two opposite first magnetic poles 401 (S poles) to form a magnetic circuit, and the second magnetic pole 402 (N pole) points to the opposite fourth magnetic pole 502 (S) to form a magnetic circuit, so that the first magnetic module 40 and the second magnetic module 50 remain attracted.
  • the first magnetic module 40 is composed of a first magnetic member 41, the bottom of the first magnetic member 41 has a plurality of first magnetic poles 401 and a plurality of second magnetic poles 402, and the plurality of first magnetic poles 401 and the plurality of second magnetic poles 402 are alternately arranged along the X direction.
  • the second magnetic module 50 is composed of a second magnetic member 51, the top of the second magnetic member 51 has a plurality of third magnetic poles 501 and a plurality of fourth magnetic poles 502, and the plurality of third magnetic poles 501 and the plurality of fourth magnetic poles 502 are alternately arranged along the X direction.
  • the first magnetic module 40 is composed of a plurality of third magnetic members 42, the plurality of third magnetic members 42 are arranged along the X direction, and the magnetic poles of two adjacent third magnetic members 42 are opposite, so as to form a pattern in which a plurality of first magnetic poles 401 and a plurality of second magnetic poles 402 are alternately arranged along the X direction.
  • the first magnetic module 40 is composed of a plurality of third magnetic members 42, which are arranged in a checkerboard pattern, and the magnetic poles of two adjacent third magnetic members 42 are opposite, so as to form a pattern in which a plurality of first magnetic poles 401 and a plurality of second magnetic poles 402 are arranged in a checkerboard pattern.
  • the opposite magnetic poles of two adjacent third magnetic members 42 defined in this embodiment refer to two third magnetic members 42 adjacent in the X direction and the Y direction as shown in FIG. 18 , excluding two third magnetic members 42 adjacent in the diagonal direction.
  • the opposite magnetic poles of two adjacent fourth magnetic members 52 are also limited to two fourth magnetic members 52 adjacent in the X direction and the Y direction.
  • a plurality of third magnetic members 42 are connected to each other, and a plurality of fourth magnetic members 52 are connected to each other.
  • the interconnection method between the multiple third magnetic parts 42 includes but is not limited to adhesive bonding and mutual abutment.
  • the interconnection method between the multiple fourth magnetic parts 52 includes but is not limited to adhesive bonding and mutual abutment.
  • the second magnetic module 50 can be bonded to the second accommodating groove 22 by adhesive; or, the second magnetic module 50 can be locked in the second accommodating groove 22 by screws; or, the second magnetic module 50 can be fixed in the second accommodating groove 22 by interference fit; or, snap-fit structures are respectively provided on the second magnetic module 50 and the second accommodating groove 22, and the two are fixedly connected by the snap-fit structure.
  • FIG. 23 is a schematic diagram of the first magnetic module 40 , the first filling member 13 , and the first magnetic conductive sheet 14 provided in an embodiment of the present application.
  • the gap there is a gap between the first magnetic module 40 and the side wall of the first receiving groove 12 , and a non-magnetic first filling member 13 is arranged in the gap.
  • a first receiving groove 12 with a slightly larger size can be roughly opened, which does not need to be completely compatible with the size of the first magnetic module 40. In this way, after the first magnetic module 40 is placed in the first receiving groove 12, there will be a gap between the two.
  • the first filling piece 13 is used to fill it to prevent the first magnetic module 40 from shaking in the first receiving groove 12.
  • the material of the first filling piece 13 is required to be a non-magnetic material such as foam, rubber, resin, etc., so as to prevent the first filling piece 13 from affecting the magnetic flux lines of the first magnetic module 40, so that the magnetic flux lines of the first magnetic module 40 can diverge according to the designed route and form a magnetic circuit.
  • a first magnetic conductive sheet 14 is disposed on one side of the first magnetic module 40 facing the bottom wall of the first receiving groove 12 .
  • the first notch 43 may be formed by a notch opened on the first magnetic module 40 ; or, the first notch 43 may be formed by a notch opened at the notch of the first accommodating groove 12 .
  • the material of the second magnetic conductive sheet 23 includes but is not limited to low carbon steel, cold rolled carbon steel sheet, ferritic stainless steel sheet, silicon steel sheet and the like.
  • the edge of the second magnetic conductive sheet 23 has a second limiting portion 231 formed by bending, and there is a gap between the second magnetic module 50 and the side wall of the second accommodating groove 22, and the second limiting portion 231 is arranged in the gap.
  • a second notch for inserting an external tool is formed between the second magnetic module 50 and the side wall of the second receiving groove 22 .
  • FIG. 25 is a schematic diagram of a second example of the first middle frame 11 and the second middle frame 21 provided in an embodiment of the present application.
  • the first receiving groove 12 includes a first sub-groove 121, a second sub-groove 122 and a third sub-groove 123, and the first sub-groove 121, the second sub-groove 122 and the third sub-groove 123 are all provided with a first magnetic module 40.
  • the first sub-groove 121 is located at a corner of the first middle frame 11 away from the shaft assembly 30, and the second sub-groove 122 and the third sub-groove 123 are located at another corner of the first middle frame 11 away from the shaft assembly 30.
  • the second receiving groove 22 includes a fourth sub-groove 221, a fifth sub-groove 222 and a sixth sub-groove 223, and the fourth sub-groove 221, the fifth sub-groove 222 and the sixth sub-groove 223 are all provided with a second magnetic module 50.
  • the fourth sub-groove 221 is located at a corner of the second middle frame 21 away from the shaft assembly 30, and the fifth sub-groove 222 and the sixth sub-groove 223 are located at another corner of the second middle frame 21 away from the shaft assembly 30.
  • the positions of the first accommodating groove 12 and the second accommodating groove 22 are further defined, so that the first magnetic module 40 and the second magnetic module 50 in the groove are located at the corner of the middle frame, and the first housing 10 and the second housing 20 can be attracted at the corner.
  • a more uniform opening and closing feel can be achieved with a smaller number of magnetic modules, and the number of arranged magnetic modules is reduced, which is conducive to the design and installation of some magnetic sensitive devices.
  • foldable mobile phones generally have devices such as compasses, Hall devices, magnetoresistive devices, speaker modules, etc. that are very sensitive to magnetic field strength.
  • the magnetic sensitive devices are easily disturbed by the magnetic field generated by the magnetic modules, which will cause problems such as functional failure or poor working accuracy of the magnetic sensitive devices.
  • the magnetic modules arranged at the corners can avoid most of the area on the housing, thereby providing more sufficient design and installation positions for these magnetic sensitive devices.
  • a sub-groove with a larger opening area is set at one corner, and two sub-grooves with smaller opening areas are set at the other corner, so as to facilitate structural optimization.
  • two sub-grooves with smaller opening areas are set at the other corner, so as to facilitate structural optimization.
  • it can be achieved by opening two smaller second sub-grooves 122 and a third sub-groove 123; when there are fewer components at the corner, there is enough space and a larger first sub-groove 121 can be opened.
  • FIG. 26 is a schematic diagram of the magnetic modules in the first sub-slot 121 , the second sub-slot 122 , the third sub-slot 123 , the fourth sub-slot 221 , the fifth sub-slot 222 and the sixth sub-slot 223 in FIG. 25 .
  • the first magnetic module 40 in the first sub-slot 121 that is, C1 in FIG. 26 , has two first magnetic poles 401 and two second magnetic poles 402, and the two first magnetic poles 401 and the two second magnetic poles 402 are arranged in a checkerboard pattern.
  • the second magnetic module 50 in the fourth sub-slot 221, that is, D1 in FIG. 26 has two third magnetic poles 501 and two fourth magnetic poles 502, and the two third magnetic poles 501 and the two fourth magnetic poles 502 are arranged in a checkerboard pattern.
  • first magnetic module 40 in the second sub-slot 122 namely, C2 in FIG26
  • the first magnetic module 40 in the third sub-slot 123 namely, C3 in FIG26 , has a first magnetic pole 401 and a second magnetic pole 402.
  • the second magnetic module 50 in the fifth sub-slot 222, indicated by D2 in FIG26 has a third magnetic pole 501 and a fourth magnetic pole 502.
  • the second magnetic module 50 in the sixth sub-slot 223, indicated by D3 in FIG26 has a third magnetic pole 501 and a fourth magnetic pole 502.
  • FIG. 27 is a schematic diagram of the ninth example of the first magnetic module 40 and the second magnetic module 50 provided in the embodiment of the present application.
  • the first magnetic module 40 is composed of a multipolar magnetized first magnetic member 41 and two monopolar magnetized third magnetic members 42
  • the second magnetic module 50 is also composed of a multipolar magnetized second magnetic member 51 and two monopolar magnetized fourth magnetic members 52.

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Abstract

本申请公开了一种电子设备,包括第一机壳、第二机壳以及转轴组件,第一机壳和第二机壳可在折叠态和展平态切换。第一机壳和第二机壳远离转轴组件的部位分别设有第一磁模组和第二磁模组,在第一机壳和第二机壳处于折叠态时,第一磁模组和第二磁模组相吸合。第一磁模组与第二磁模组相吸合的一侧具有相邻设置且极性相反的第一磁极和第二磁极。第二磁模组的对应一侧具有与第一磁极的极性相反的第三磁极、与第二磁极的极性相反的第四磁极,第三磁极和第四磁极相邻设置且极性相反。本申请通过采用特殊的磁极设计从而弱化对机壳外部异物的磁吸效果,以确保显示屏的安全性,并且还能够确保设备强度可靠,保证用户在使用时的开合手感。

Description

电子设备 技术领域
本申请涉及电子设备的技术领域,并且更具体地,涉及一种可以折叠的电子设备。
背景技术
为了使可折叠电子设备在折叠后机壳保持紧贴,通常采用满足一定磁吸力要求的磁铁,并且磁铁通常布置在电子设备的周边和/或转角处。而磁吸力较大很容易将外部环境中的细小砂砾、碎铁屑等异物吸引到显示屏上。在合拢显示屏时,这些异物被夹在显示屏中间会对显示屏产生破坏。不仅会划伤显示屏,甚至有可能直接刺入显示屏内部,导致电子设备的显示屏损坏。
相关技术中通常采用增厚磁铁或者将磁铁布置得更靠近显示屏的中部这两种解决方案来解决上述问题。但是仍然存在诸如设备机壳的强度下降、开合手感差等其他问题。
发明内容
本申请的目的在于提供了一种电子设备,通过将第一磁模组和第二磁模组采用特殊的磁极设计从而弱化对机壳外部异物的磁吸效果,以确保显示屏的安全性;还能够减小磁模组对机壳内部空间的占位,保证机壳的基材厚度,确保其强度可靠;还避免影响到电子设备转角处的吸合力,保证了电子设备在折叠态时的紧贴效果和用户在使用时的开合手感。
本申请提供了一种电子设备,包括第一机壳、第二机壳以及将第一机壳和第二机壳转动连接的转轴组件,第一机壳和第二机壳可在折叠态和展平态切换。
第一机壳和第二机壳远离转轴组件的部位分别设有第一磁模组和第二磁模组,在第一机壳和第二机壳处于折叠态时,第一磁模组和第二磁模组相吸合。
第一磁模组与第二磁模组相吸合的一侧具有相邻设置且极性相反的第一磁极和第二磁极。
第二磁模组的对应一侧具有与第一磁极的极性相反的第三磁极、与第二磁极的极性相反的第四磁极,第三磁极和第四磁极相邻设置且极性相反。
本申请提供的电子设备,通过将第一磁模组设计为具有相邻设置且极性相反的第一磁极和第二磁极,将第二磁模组设计为具有相邻设置且极性相反的第三磁极和第四磁极,使得第一磁模组和第二磁模组构成磁回路的磁感线更靠近或聚集在自身附近,使得磁模组产生的磁场覆盖范围较小,在可折叠电子设备处于展平态时,第一磁模组和第二磁模组的磁场力不容易影响到机壳外部的异物,进而使得异物不容易被吸引到显示屏上,保证了显示屏的安全性。
本申请中的第一磁模组和第二磁模组采用特殊的磁极设计从而弱化对机壳外部异物的磁吸效果,与相关技术中的采用加厚磁铁将异物引导并吸附到机壳后背侧的方式不同,因此本申请中的第一磁模组和第二磁模组不需要额外加厚,进而避免对第一机壳和第二机壳的内部空间造成侵占,从而可以保证机壳的基材厚度,确保其强度以及整机的使用寿命;与相关技术中的另一方案相比较,第一磁模组和第二磁模组不用向显示屏的中部位置偏移,从而避免影响到电子设备转角处的吸合力,保证了电子设备在折叠态时的紧贴效果,同时 还保证了用户在使用电子设备时的开合手感。
在一种可能的设计中,第一磁极和第二磁极的数量为多个,多个第一磁极和多个第二磁极沿着指定方向交替排布;第三磁极和第四磁极的数量为多个,多个第三磁极和多个第四磁极沿着指定方向交替排布。
所形成的第一磁模组和第二磁模组呈直条形,有利于将第一磁模组和第二磁模组布置在机壳的周边,在电子设备折叠后形成的吸合效果为线性吸合连接,即可以围绕着机壳周边一圈都有吸合,能够减少甚至消除吸合盲区,这使得用户在对机壳进行展开操作时,任意一处所感受到的开合手感都相同,从而提升了用户的使用体验。此外,磁极数越多磁感线聚集效果越明显,使得磁模组产生的磁场覆盖范围更小,越不容易影响到机壳外部的异物,使得异物更不容易被吸引到显示屏上。
在一种可能的设计中,第一磁极和第二磁极的数量为多个,多个第一磁极和多个第二磁极以棋盘格状排布;第三磁极和第四磁极的数量为多个,多个第三磁极和多个第四磁极以棋盘格状排布。
所形成的第一磁模组和第二磁模组呈方块状,整体结构紧凑,有利于布设在转角等空间相对紧凑的位置。此外,磁极数越多磁感线聚集效果越明显,使得磁模组产生的磁场覆盖范围更小,越不容易影响到机壳外部的异物,使得异物更不容易被吸引到显示屏上。
在一种可能的设计中,第一磁模组包括第一磁性件,第一磁性件为多极充磁的永磁体;第二磁模组包括第二磁性件,第二磁性件为多极充磁的永磁体。
第一磁模组和第一磁模组均由一个多极充磁的永磁体所构成,使得第一磁模组和第二磁模组的集成度高,可方便组装。
在一种可能的设计中,第一磁模组包括多个第三磁性件,每个第三磁性件为单极充磁的永磁体;第二磁模组包括多个第四磁性件,每个第四磁性件为单极充磁的永磁体。
第一磁模组和第二磁模组均由多个单极充磁的永磁体组成,可直接选用现有的单极磁体产品进行组合,从而无需特殊定制加工,降低第一磁模组和第二磁模组的制造难度和生产成本。
在一种可能的设计中,多个第三磁性件之间相互连接;多个第四磁性件之间相互连接。
将多个第三磁性件连接后作为整体,可方便进行第一磁模组的组装。相应的,将多个第四磁性件连接后作为整体,也具有相同的优点。
在一种可能的设计中,多个第三磁性件之间间隔设置;多个第四磁性件之间间隔设置。
在一种可能的设计中,第一磁模组包括第一磁性件和多个第三磁性件,第一磁性件为多极充磁的永磁体,每个第三磁性件为单极充磁的永磁体;第二磁模组包括第二磁性件和多个第四磁性件,第二磁性件为多极充磁的永磁体,每个第四磁性件为单极充磁的永磁体。
在一种可能的设计中,第一机壳包括第一中框,第一中框设置有第一容纳槽,第一磁模组设置于第一容纳槽中;第二机壳包括第二中框,第二中框设置有第二容纳槽,第二磁模组设置于第二容纳槽中。
通过第一容纳槽来快速定位第一磁模组在第一中框上的安装位置以及通过第二容纳槽来快速定位第二磁模组在第二中框上的安装位置,进而提高了第一磁模组与第一机壳、第二磁模组与第二机壳的组装效率。
在一种可能的设计中,第一磁模组与第一容纳槽的槽侧壁之间具有间隙,且间隙内设 置有非磁性的第一填充件;和/或,第二磁模组与第二容纳槽的槽侧壁之间具有间隙,且间隙内设置有非磁性的第二填充件。
为了降低第一容纳槽的加工难度,可以粗略的开设一个尺寸略大的第一容纳槽,不用完全与第一磁模组的尺寸适配上,这样在将第一磁模组放入与第一容纳槽后,二者之间会存在间隙,因此通过第一填充件进行填充,以避免第一磁模组在第一容纳槽内晃动,同时第一填充件的材料为非磁性的材料,从而能够避免第一填充件影响到第一磁模组的磁感线,使得第一磁模组的磁感线能够按照设计路线发散并形成磁回路。相应的,第二容纳槽也具有开设难度小的优点。
在一种可能的设计中,第一磁模组朝向第一容纳槽的槽底壁的一侧设置有第一导磁片;和/或,第二磁模组朝向第二容纳槽的槽底壁的一侧设置有第二导磁片。
导磁片能够进一步地将磁模组的磁感线约束或聚集在自身附近,从而避免磁模组吸引机壳外部的异物。
在一种可能的设计中,第一导磁片的边缘具有弯折形成的第一限位部,第一磁模组与第一容纳槽的槽侧壁之间具有间隙,且间隙内设置有第一限位部;和/或,第二导磁片的边缘具有弯折形成的第二限位部,第二磁模组与第二容纳槽的槽侧壁之间具有间隙,且间隙内设置有第二限位部。
通过限位部以避免磁模组在容纳槽内晃动。
在一种可能的设计中,第一磁模组与第一容纳槽的槽侧壁之间形成有供外界工具插入的第一缺口;和/或,第二磁模组与第二容纳槽的槽侧壁之间形成有供外界工具插入的第二缺口。
为了方便拆卸磁模组,在磁模组上开设缺口,从而能够方便地将撬棒等工具插入磁模组的底部,以将磁模组从容纳槽内撬出来。
在一种可能的设计中,第一容纳槽包括第一子槽、第二子槽以及第三子槽,第一子槽、第二子槽以及第三子槽均设置有第一磁模组;第一子槽位于第一中框远离转轴组件的一个转角处,第二子槽和第三子槽位于第一中框远离转轴组件的另一个转角处;第二容纳槽包括第四子槽、第五子槽以及第六子槽,第四子槽、第五子槽以及第六子槽均设置有第二磁模组;第四子槽位于第二中框远离转轴组件的一个转角处,第五子槽和第六子槽位于第二中框远离转轴组件的另一个转角处。
进一步限定了第一容纳槽和第二容纳槽的位置,使得槽内的第一磁模组和第二磁模组位于中框转角处,能够将第一机壳和第二机壳在转角处进行吸合,这样可以以较少的磁模组数量实现较均匀的开合手感,而减少磁模组的布置数量,有利于对一些磁敏感器件进行设计安装,具体理由为:可折叠手机普遍具有诸如指南针、霍尔器件、磁阻器件、扬声器模组等对于磁场强度非常敏感的器件,倘若此类磁敏感器件与用来吸合可折叠手机的磁模组的布局方式不合理,则磁敏感器件很容易被磁模组产生的磁场所干扰,由此会导致磁敏感器件的功能失效或者工作精准度差等问题,而布置在转角处的磁模组则可以避让开机壳上的大部分区域,从而为这些磁敏感器件提供更充足的设计安装位置。
在一种可能的设计中,第二子槽和第三子槽的开口面积均小于第一子槽的开口面积;第五子槽和第六子槽的开口面积均小于第四子槽的开口面积。
一个转角处设置一个开口面积较大的子槽,另一个转角处设置两个开口面积较小的子 槽,从而便于进行结构优化。
在一种可能的设计中,第一子槽内的第一磁模组具有两个第一磁极和两个第二磁极,两个第一磁极和两个第二磁极以棋盘格状排布;第四子槽内的第二磁模组具有两个第三磁极和两个第四磁极,两个第三磁极和两个第四磁极以棋盘格状排布。
在一种可能的设计中,第一子槽和第二子槽的槽侧壁均具有圆倒角;第四子槽和第五子槽的槽侧壁具有圆倒角。
槽侧壁开设圆倒角能够分散应力,使得机壳上的开槽处避免出现应力集中,使得机壳的强度得到提高,在跌落时能够抵抗更大的冲击力。
在一种可能的设计中,第一容纳槽为条形槽,且位于第一机壳远离转轴组件的周边处;第一容纳槽内的第一磁模组具有多个第一磁极和多个第二磁极,多个第一磁极和多个第二磁极沿着指定方向交替排布;第二容纳槽为条形槽,且位于第二机壳远离转轴组件的周边处;第二容纳槽内的第二磁模组具有多个第三磁极和多个第四磁极,多个第三磁极和多个第四磁极沿着指定方向交替排布。
进一步限定了容纳槽的结构和位置,使得槽内的磁模组布置在机壳的周边,使得用户在对机壳进行展开操作时,任意一处所感受到的开合手感都相同,从而提升了用户的使用体验。
附图说明
图1是相关技术中的解决方案一的示意图;
图2是相关技术中解决方案二的示意图;
图3是本申请实施例提供的可折叠手机在展平态时的示意图;
图4是本申请实施例提供的可折叠手机在折叠态时的示意图;
图5是图4中隐藏了第一机壳后的第一磁模组和隐藏了第二机壳后的第二磁模组的示意图;
图6是相关技术中的磁铁的磁感线分布示意图;
图7是相关技术中的两个磁铁靠近时的磁感线分布示意图;
图8是图5中的第一磁模组的磁感线分布示意图;
图9是本申请实施例提供的第一磁模组和第二磁模组靠近时的磁感线分布示意图;
图10是本申请实施例提供的第一磁模组和第二磁模组的第一例的示意图;
图11是本申请实施例提供的第一磁模组和第二磁模组的第二例的示意图;
图12是本申请实施例提供的第一磁模组和第二磁模组的第三例的示意图。
图13是本申请实施例提供的第一磁模组和第二磁模组的第四例的示意图;
图14是本申请实施例提供的第一磁模组和第二磁模组的第五例的示意图;
图15是图14中的第一磁模组的磁感线分布示意图;
图16是图14中的第一磁模组和第二磁模组靠近时的磁感线分布示意图;
图17是本申请实施例提供的第一磁模组和第二磁模组的第六例的示意图;
图18是本申请实施例提供的第一磁模组和第二磁模组的第七例的示意图;
图19是本申请实施例提供的第一磁模组和第二磁模组的第八例的示意图;
图20是图19中的第三磁性件的磁感线分布示意图;
图21是图19中的第三磁性件和第四磁性件靠近时的磁感线分布示意图;
图22是本申请实施例提供的第一中框和第二中框的第一例的示意图;
图23是本申请实施例提供的第一磁模组、第一填充件以及第一导磁片的示意图;
图24是本申请实施例提供的第二磁模组和第二导磁片的示意图;
图25是本申请实施例提供的第一中框和第二中框的第二例的示意图;
图26是图25中的第一子槽、第二子槽、第三子槽、第四子槽、第五子槽以及第六子槽内的磁模组的示意图;
图27是本申请实施例提供的第一磁模组和第二磁模组的第九例的示意图;
图28是本申请实施例提供的第一磁模组和第二磁模组的第十例的示意图;
图29是本申请实施例提供的第一中框和第二中框的第三例的示意图;
图30是图29中第一容纳槽和第二容纳槽内的磁模组的示意图。
附图标记:
10、第一机壳;11、第一中框;12、第一容纳槽;121、第一子槽;122、第二子槽;
123、第三子槽;13、第一填充件;14、第一导磁片;141、第一限位部;
20、第二机壳;21、第二中框;22、第二容纳槽;221、第四子槽;222、第五子槽;
223、第六子槽;23、第二导磁片;231、第二限位部;
30、转轴组件;
40、第一磁模组;401、第一磁极;402、第二磁极;41、第一磁性件;42、第三磁性
件;43、第一缺口;
50、第二磁模组;501、第三磁极;502、第四磁极;51、第二磁性件;52、第四磁性
件;
60、显示屏;70、磁铁;71、异物;80、设备机壳。
具体实施方式
下面示例性介绍本申请实施例可能涉及的相关内容。显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。
在本申请的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接或可以相互通讯;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请的描述中,需要理解的是,术语“上”、“下”、“侧”、“内”、“外”、“顶”、“底”等指示的方位或位置关系为基于安装的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
还需说明的是,本申请实施例中以同一附图标记表示同一组成部分或同一部件,对于本申请实施例中相同的部件,图中可能仅以其中一个零件或部件为例标注了附图标记,应理解的是,对于其他相同的零件或部件,附图标记同样适用。
在本申请的描述中,需要说明的是,术语“和/或”,仅仅是一种描述关联对象的关联关 系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。
柔性屏具有可弯曲的特性,目前已经被应用于手机、平板电脑、手环、游戏机、可穿戴设备等可折叠的电子设备上。此类电子设备的显示屏可以在不增加体积的基础上增大显示尺寸,同时还具有高的占屏比和清晰度。例如。以可折叠手机为例,折叠后可以只有传统手机的大小,能够方便携带和收纳,而展开后却可以有平板电脑的显示尺寸,使得手机具有较大的显示面积,以提高用户的观看体验和操作体验。这些特点使得可折叠电子设备深受消费者的欢迎。
柔性屏具有特殊的堆叠结构,导致其整体挺度(抵抗弯曲的能力)偏大,在折叠之后会产生能够驱使设备展平的反弹力。为了抵消柔性屏在设备折叠后的反弹力,可折叠电子设备中需要布设磁铁用以实现在折叠态时的整机紧密吸合。
而为了追求电子设备在折叠后的紧贴效果,可折叠电子设备所采用的磁铁需要满足一定的磁吸力要求,并且磁铁通常布置在折叠电子设备的周边和/或转角处。而过大的磁吸力很容易将外部环境中的细小砂砾、碎铁屑等异物吸引到显示屏上,并且这些细小异物很难被用户的肉眼察觉到,此时只要合拢显示屏,被紧紧夹在中间的异物就会产生强大的破坏力,不仅会划伤显示屏,甚至可能直接刺入显示屏内部,最终导致电子设备的显示屏损坏。
目前,相关技术中通常采用以下两种方案去解决可折叠电子设备的显示屏60上容易吸引异物71的问题,下文将结合附图详细进行描述。图1是相关技术中的解决方案一的示意图。图2是相关技术中解决方案二的示意图。
方案一,如图1所示,将磁铁70增厚,使得磁铁70的磁吸力能够透过设备机壳80并发挥作用,进而使得外界异物71能够被引导并吸附到设备机壳80的后背侧,即图1中A处所指的这一侧,从而减小异物71被吸引到显示屏60上的概率。然而,过大的磁铁70厚度会占用设备机壳80的内部空间,进而使得设备机壳80在该处的基材厚度减小,从而造成强度下降,特别是当磁铁70布置在显示屏60的转角处时,该处在进行设备跌落测试时很容易损坏,设备的可靠性较差。
方案二,如图2所示,不改变磁铁70的厚度,只是将磁铁70的布置位置向显示屏60的中部位置偏移,从而使得磁铁70与设备机壳80的边缘有一定的安全距离,这样使得磁铁70对设备机壳80边缘处的异物71的磁吸力下降,从而使得磁铁70不容易将异物71吸引到显示屏60上。然而,磁铁70过于远离设备机壳80的边缘,这会导致电子设备在折叠态时,转角处的吸合力较弱,即图2中B处所指的位置,该处的紧贴效果不好,使得用户在展开电子设备时的手感偏软,进而影响用户在开合电子设备时的体验度。
可见,上述两种解决方案,虽然可以有针对性的解决可折叠电子设备的显示屏60上容易吸引异物71的问题,但是还会顺带产生诸如设备机壳80的强度下降、开合手感差等其他问题,无法做到能够平衡其他需求的最优解决方案。
有鉴于此,为了解决上述技术问题,本申请提供了一种电子设备,通过将第一磁模组40和第二磁模组50采用特殊的磁极设计从而弱化对机壳外部异物71的磁吸效果,以确保显示屏60的安全性;还能够减小磁模组对机壳内部空间的占位,保证机壳的基材厚度,确保其强度可靠;还避免影响到电子设备转角处的吸合力,保证了电子设备在折叠态时的 紧贴效果和用户在使用时的开合手感。
本申请实施例提供了一种电子设备,该电子设备也可以被称为移动设备、终端设备、移动终端或者终端。该电子设备包括但不限于手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备。例如,该电子设备可以是可折叠手机、可折叠平板电脑、可折叠游戏掌机、可折叠电子阅读器、可折叠穿戴设备等,以及还可以是其他具有可折叠功能且需要进行防异物71吸引设计的电子设备。
为了更加方便的阐述本申请实施例提供的电子设备,作为示例而非限定,下文将以电子设备是可折叠手机为例来详细阐述本申请的技术方案。
现结合附图详细描述本申请实施例提供的可折叠手机。
图3是本申请实施例提供的可折叠手机在展平态时的示意图。图4是本申请实施例提供的可折叠手机在折叠态时的示意图。
如图3-图4所示,本申请实施例提供的一种可折叠手机,该可折叠手机包括第一机壳10、第二机壳20、转轴组件30以及显示屏60。第一机壳10和第二机壳20并排设置,转轴组件30连接于第一机壳10与第二机壳20之间,以将第一机壳10和第二机壳20转动连接,使得第一机壳10和第二机壳20可在折叠态和展平态切换。显示屏60设置于第一机壳10、转轴组件30和第二机壳20的上方。
第一机壳10和第二机壳20用于对显示屏60进行承载,同时对可折叠手机的内部元器件进行防护。显示屏60位于两端的部分分别与第一机壳10和第二机壳20固定连接,第一机壳10可以为硬质壳体,第二机壳20也可以为硬质壳体,使得第一机壳10和第二机壳20可以对显示屏60的两端进行稳固支撑。
转轴组件30可随第二机壳20相对第一机壳10折叠或展平而形变,并限制第二机壳20脱离第一机壳10。具体地,转轴组件30相对的两侧边分别连接于第一机壳10和第二机壳20,转轴组件30利用自身可转动特性,使得第一机壳10可相对第二机壳20翻转,使得第一机壳10相对第二机壳20呈折叠状,或者呈展平状,或者呈折叠与展平之间的状态。
第一机壳10和第二机壳20能够相互折叠或者展平,使得本申请实施例提供的可折叠手机具有多种模式,能够满足用户在不同场景下的使用需求。例如,第一机壳10和第二机壳20可以相互折叠,使得显示屏60能够相互贴合,使可折叠手机切换至闭合模式,此时可折叠手机具有更小的体积,从而能够方便用户对其进行收纳和携带。
第一机壳10和第二机壳20在远离转轴组件30的部位上分别设有第一磁模组40和第二磁模组50,在第一机壳10和第二机壳20处于折叠态时,第一磁模组40和第二磁模组50相吸合,这样可以防止第一机壳10和第二机壳20意外打开,确保可折叠手机在收纳和携带的过程中保持关闭状态。
第一机壳10和第二机壳20可以处于折叠与展平之间的状态,例如,二者之间形成90~120度的夹角,以使得可折叠手机切换至可放置在桌面的使用模式。此时第一机壳10及其之上的显示屏60能够面向用户,第二机壳20被放置在置物台、书桌等放置面上,并且第二机壳20具有类似配重基座的作用,能够保证可折叠手机放置稳定。
第一机壳10和第二机壳20也可以相对展平,例如,二者之间形成180度的夹角,能够实现大屏显示,可以给用户提供更丰富的信息,带给用户更好的使用体验。
可以理解的是,用户手持可折叠手机时,可折叠手机的听筒模组所在位置可以定义为可折叠手机的上边,可折叠手机的麦克风模组所在位置可以定义为可折叠手机的下边,可折叠手机的被用户的左右手握持的两侧可以定义为可折叠手机的左右两边。
在本申请提供的一些实施例中,第一机壳10与第二机壳20呈上下布置,使得可折叠手机能够实现上下对折。
在本申请提供的另一些实施例中,第一机壳10与第二机壳20呈左右布置,使得可折叠手机能够实现左右对折,例如,如图4所示的情况。
可选地,转轴组件30还用于支撑显示屏60,以防止显示屏60塌陷。具体地,转轴组件30设置有显示屏60支撑组件,可随着转轴组件30的展平而上升对显示屏60进行支撑,也可随着转轴组件30的折叠而下降为显示屏60让出容纳空间。
可选地,显示屏60可以是整体都可折叠的柔性屏,或者,显示屏60还可以由中部区域是可折叠的柔性屏以及两端部分是刚性屏的组合,对此本申请不做限定。
可选地,可折叠手机还可以包括多个模组,多个模组可以收纳于第一机壳10和第二机壳20的内部。可折叠手机的多个模组可以包括但不限于主板、处理器、存储器、电池、摄像头模组、听筒模组、扬声器模组、麦克风模组、天线模组、传感器模组等,本申请不对可折叠手机的模组数量、类型、位置等进行具体限定。
可选地,在本申请实施例提供的可折叠手机中,以可折叠手机为两折结构为例进行说明,即可折叠手机包括两个机壳部分(第一机壳10和第二机壳20)以及连接在两个机壳部分之间的转轴组件30;两个机壳部分可以以显示屏60相互贴合的方式进行相向转动至相互层叠,使可折叠手机呈现两层的形态,即如图4所示的情况,此时可折叠手机是内折式的折叠手机;两个机壳部分也可以以相背转动至相互层叠,使可折叠手机呈现两层的形态,即此时可折叠手机是外折式的折叠手机。
可选地,在本申请其他一些实施例中,可折叠手机也可以为三折以上结构等,即可折叠手机包括三个以上的机壳部分,相邻的两个机壳部分之间通过转轴组件30连接,相邻的两个机壳部分可以相对转动至相互层叠或相背转动至展平。当可折叠手机为三折以上结构时,可折叠手机所采用的磁模组结构可以参阅本实施例两折结构的描述进行适应性设计,本申请对此不再赘述。
为了方便下文各实施例的描述,针对可折叠手机,建立XYZ坐标系。具体地,定义可折叠手机的转动轴线的延伸方向为Y方向,可折叠手机的厚度方向为Z方向,与Y方向和Z方向均垂直的方向为X方向。
下面针对本申请实施例中的可折叠手机所采用的磁模组的技术方案进行详细介绍。
图5是图4中隐藏了第一机壳10后的第一磁模组40和隐藏了第二机壳20后的第二磁模组50的示意图。
如图5所示,第一磁模组40与第二磁模组50相吸合的一侧具有相邻设置且极性相反的第一磁极401和第二磁极402,例如,第一磁极401是S极,第二磁极402是N极。
第二磁模组50的对应一侧,也即,第二磁模组50与第一磁模组40相吸合的一侧,该侧具有与第一磁极401的极性相反的第三磁极501,以及还具有与第二磁极402的极性相反的第四磁极502,第三磁极501和第四磁极502相邻设置且极性相反,例如,第三磁极501是N极,第四磁极502是S极。
如此设计磁模组,可以使得本申请实施例提供的可折叠手机在处于展平态时,不易将异物71吸引到显示屏60上,确保显示屏60的安全性;在可折叠手机处于折叠态时,机壳之间所受的磁吸力较强,用户的开合手感较好;此外,还能够减小磁模组对机壳内部空间的占位,能够保证机壳的基材厚度,确保其强度可靠。
如何方便地理解上述优点,下文中将结合原理示意图进行详细地介绍。
图6是相关技术中的磁铁70的磁感线分布示意图。图7是相关技术中的两个磁铁70靠近时的磁感线分布示意图。
在相关技术中,当可折叠手机处于展平态时,两个设备机壳80没有贴合在一起,以其中一个设备机壳80的磁铁70为例,如图6所示,在磁铁70的外部,磁感线是以N极指向S极以构成磁铁70自身的磁回路,并且该磁铁70的磁感线分布范围较广,磁场力的覆盖范围较大,因此磁铁70对于设备机壳80外部的异物71有较大的磁吸力,使得异物71很容易被吸引到显示屏60上。
当可折叠手机处于折叠态时,两个设备机壳80相互贴合,如图7所示,此时两个磁铁70相互吸合,两块磁铁70之间构成磁回路。
图8是本申请实施例提供的第一磁模组40的磁感线分布示意图。
当可折叠手机处于展平态时,如图8所示,在第一磁模组40的外部,磁感线的大致分布情况为:磁感线由第二磁极402(N极)指向相邻的第一磁极401(S极)以构成第一磁模组40自身的一部分磁回路;在背对第一磁极401和第二磁极402的一侧,磁感线由N极指向相邻的S极以构成一部分磁回路;磁感线由第二磁极402指向背对第二磁极402的S极以构成一部分磁回路;磁感线由背对第一磁极401的N极指向第一磁极401以构成一部分磁回路。
由图8可以看出,磁感线会优先选择最近的异极形成磁回路,即第一磁模组40上相邻设置且极性相反的第一磁极401和第二磁极402之间形成了磁回路,在第一磁模组40上背对第一磁极401和第二磁极402的一侧,也是就近形成了磁回路,如此,使得第一磁模组40构成磁回路的磁感线更靠近或聚集在自身附近,与图6中相关技术的磁铁70所产生的磁感线分布情况作为对比,第一磁模组40的磁感线的分布范围较小,磁场力的覆盖范围也较小。因此,第一磁模组40所产生的磁场不容易覆盖到第一机壳10外部的异物71上,进而使得异物71不容易被吸引到显示屏60上。
在第二磁模组50的外部,磁感线的大致分布情况和第一磁模组40相似,也是将构成磁回路的磁感线更靠近或聚集在第二磁模组50自身附近,在此不再赘述。
图9是图5中的第一磁模组40和第二磁模组50靠近时的磁感线分布示意图。
当可折叠手机处于折叠态时,第一机壳10和第二机壳20相互贴合,如图9所示,此时第一磁模组40和第二磁模组50相互吸合,第一磁模组40和第二磁模组50之间的磁感线分布情况为:第三磁极501(N极)指向对面的第一磁极401(S极)以构成磁回路,第二磁极402(N极)指向对面的第四磁极502(S)以构成磁回路,这样使第一磁模组40和第二磁模组50保持吸合。
由图9可以看出,第一磁模组40和第二磁模组50在相互吸合时,第一磁模组40和第二磁模组50能够构成磁回路,与图7中相关技术的两块磁铁70所产生的磁感线分布情况作为对比,第一磁模组40和第二磁模组50之间的磁感线分布情况相似,只不过是方向 不同,与两块磁铁70的方式相比具有大致相同的吸合力,可以防止第一机壳10和第二机壳20意外打开,确保可折叠手机在收纳和携带的过程中保持关闭状态。
综上,本申请实施例提供的可折叠手机,通过将第一磁模组40设计为具有相邻设置且极性相反的第一磁极401和第二磁极402,将第二磁模组50设计为具有相邻设置且极性相反的第三磁极501和第四磁极502,使得第一磁模组40和第二磁模组50构成磁回路的磁感线更靠近或聚集在自身附近,使得磁模组产生的磁场覆盖范围较小,在可折叠手机处于展平态时,第一磁模组40和第二磁模组50的磁场力不容易影响到机壳外部的异物71,进而使得异物71不容易被吸引到显示屏60上,保证了显示屏60的安全性;第一磁模组40和第二磁模组50采用特殊的磁极设计从而弱化对机壳外部异物71的磁吸效果,与相关技术中的方案一所采用加厚磁铁70将异物71引导并吸附到机壳后背侧的方式不同,因此本申请实施例中的第一磁模组40和第二磁模组50不需要额外加厚,进而避免对第一机壳10和第二机壳20的内部空间造成侵占,从而可以保证机壳的基材厚度,确保其强度以及整机的使用寿命;与相关技术中的方案二相比较,第一磁模组40和第二磁模组50不用向显示屏60的中部位置偏移,从而避免影响到手机转角处的吸合力,保证了手机在折叠态时的紧贴效果,同时还保证了用户在使用手机时的开合手感。
上文中提到,本申请实施例中第一磁模组40和第二磁模组50能够弱化对机壳外部异物71的磁吸效果,是通过采用特殊的磁极设计而实现的,而能够实现该特殊的磁极设计,可以通过两种方式,一种方式是通过一个多极充磁的永磁体实现,另一种方式是通过多个单极充磁的永磁体实现。下文中将会详细介绍。
其中,本申请实施例中采用的永磁体材料可以是:钕铁硼(NdFeB),钕铁硼分为烧结钕铁硼和粘结钕铁硼;钐钴(SmCo),钐钴磁体耐高温,耐腐蚀;铝镍钴(AlNiCo),铝镍钴磁体矫顽力低,适合高温应用;铁氧体,铁氧体材料价格便宜,易加工。
可选地,第一磁模组40和第二磁模组50除了通过上述两种方式实现特殊的磁极设计之外,还可以通过将多个电磁铁进行组合,以形成特殊的多磁极效果。
首先,介绍多极充磁的永磁体实现本申请实施例中的多极效果。
图10是本申请实施例提供的第一磁模组40和第二磁模组50的第一例的示意图。
如图10所示,在本申请提供的一种实施例中,第一磁模组40包括第一磁性件41,第一磁性件41为多极充磁的永磁体。第二磁模组50包括第二磁性件51,第二磁性件51为多极充磁的永磁体。
其中,多极充磁是利用定制的充磁夹具进行充磁,充磁后在同一磁体上有两对或两对以上的N极和S极,即一个面具有两个或两个以上的磁极。例如,如图10所示,在一个第一磁性件41上,存在两对极性相反的磁极,其中第一磁性件41的底部具有两个磁极,分别为第一磁极401(S极)和第二磁极402(N极),与之相对的,第一磁性件41的顶部具有N极和S极。
相似的,在一个第二磁性件51上,充磁了两对极性相反的磁极,其中第二磁性件51的顶部具有两个磁极,分别为第三磁极501(N极)和第四磁极502(S极),与之相对的,第二磁性件51的底部具有S极和N极。
下面介绍通过多个单极充磁的永磁体以实现本申请实施例中的多极效果。
图11是本申请实施例提供的第一磁模组40和第二磁模组50的第二例的示意图。
如图11所示,在本申请提供的一种实施例中,第一磁模组40包括多个第三磁性件42,每个第三磁性件42为单极充磁的永磁体。第二磁模组50包括多个第四磁性件52,每个第四磁性件52为单极充磁的永磁体。
其中,单极充磁是利用现有充磁机及充磁夹具对磁性材料进行充磁,充磁后磁体呈现N极和S极,即一个面只有一个磁极。例如,如图11所示,第一磁模组40由两个第三磁性件42组成,在每个第三磁性件42上,充磁了一对极性相反的磁极,两个第三磁性件42的底部分别具有第一磁极401(S极)和第二磁极402(N极)。
相似的,第二磁模组50由两个第四磁性件52组成,在每个第四磁性件52上,充磁了一对极性相反的磁极,两个第四磁性件52的顶部分别具有第三磁极501(N极)和第四磁极502(S极)。
在多极磁铁或多极磁铁组中,磁感线会优先选择最近的异极形成磁回路,使得多极磁铁或多极磁铁组的磁感线更加靠近或聚集在自身附近,并且会以磁极数越多而产生越发明显的聚集效果。为了进一步聚集磁感线,进而降低对异物71的磁吸效果,本申请对第一磁模组40和第二磁模组50进行进一步改进。
图12是本申请实施例提供的第一磁模组40和第二磁模组50的第三例的示意图。
如图12所示,在本申请提供的一种实施例中,第一磁极401和第二磁极402的数量为多个,多个第一磁极401和多个第二磁极402沿着指定方向交替排布。第三磁极501和第四磁极502的数量为多个,多个第三磁极501和多个第四磁极502沿着指定方向交替排布。
本实施例中,第一磁模组40具有多个第一磁极401和多个第二磁极402,第二磁模组50具有多个第三磁极501和多个第四磁极502,不仅使磁感线更加靠近或聚集在自身附近,从而进一步弱化对机壳外部异物71的磁吸效果;同时,第一磁极401和第二磁极402、第三磁极501和第四磁极502都是沿着指定方向交替排布,因此所形成的第一磁模组40和第二磁模组50呈直条形,有利于将第一磁模组40和第二磁模组50布置在机壳的周边,在手机折叠后形成的吸合效果为线性吸合连接,即可以围绕着机壳周边一圈都有吸合,能够减少甚至消除吸合盲区。由于吸合盲区的开合手感相比较吸合区域偏软,而本实施例能够减少甚至消除吸合盲区,这使得用户在对机壳进行展开操作时,任意一处所感受到的开合手感都相同,从而提升了用户的使用体验。
再如图12所示,在本申请提供的一种实施例中,第一磁模组40由一个第一磁性件41构成,第一磁性件41的底部具有多个第一磁极401和多个第二磁极402,多个第一磁极401和多个第二磁极402沿着Y方向交替排布。第二磁模组50由一个第二磁性件51构成,第二磁性件51的顶部具有多个第三磁极501和多个第四磁极502,多个第三磁极501和多个第四磁极502沿着Y方向交替排布。
图13是本申请实施例提供的第一磁模组40和第二磁模组50的第四例的示意图。
如图13所示,在本申请提供的一种实施例中,第一磁模组40由多个第三磁性件42构成,多个第三磁性件42沿着Y方向排布,并且相邻两个第三磁性件42的磁极相反,以形成多个第一磁极401和多个第二磁极402沿着Y方向交替排布的样式。第二磁模组50由多个第四磁性件52构成,多个第四磁性件52沿着Y方向排布,并且相邻两个第四磁性件52的磁极相反,以形成多个第三磁极501和多个第四磁极502沿着Y方向交替排布的 样式。
由多个单极充磁的永磁体所组成的磁体结构,又可被称为海尔贝克磁体阵列(Halbach Array)。如图13所示,第一磁模组40是由7个单极充磁的永磁体(第三磁性件42)构成的海尔贝克磁体阵列,第二磁模组50是由7个单极充磁的永磁体(第四磁性件52)构成的海尔贝克磁体阵列。
图14是本申请实施例提供的第一磁模组40和第二磁模组50的第五例的示意图。
如图14所示,本申请提供的一种实施例中,第一磁模组40由3个单极充磁的永磁体(第三磁性件42)构成海尔贝克磁体阵列,第二磁模组50由3个单极充磁的永磁体(第四磁性件52)构成海尔贝克磁体阵列。
图15是图14中的第一磁模组40的磁感线分布示意图。
当可折叠手机处于展平态时,如图15所示,在第一磁模组40的外部,磁感线的大致分布情况为:磁感线由第二磁极402(N极)指向相邻两个第一磁极401(S极)以构成第一磁模组40自身的一部分磁回路;在背对第一磁极401和第二磁极402的一侧,磁感线由两个N极指向中间的S极以构成一部分磁回路;背对第一磁极401的两个N极指向两个第一磁极401以构成一部分磁回路。
由图15与图8对比可以看出,当第一磁模组40的磁极数越多,第一磁模组40的磁感线的分布范围则更小,磁场力的覆盖范围也更小。因此,第一磁模组40所产生的磁场更不容易覆盖到第一机壳10外部的异物71上,进而使得异物71不容易被吸引到显示屏60上。
在第二磁模组50的外部,磁感线的大致分布情况和第一磁模组40相似,也是将构成磁回路的磁感线更靠近或聚集在第二磁模组50自身附近,在此不再赘述。
图16是图14中的第一磁模组40和第二磁模组50靠近时的磁感线分布示意图。
当可折叠手机处于折叠态时,第一机壳10和第二机壳20相互贴合,如图16所示,此时第一磁模组40和第二磁模组50相互吸合,第一磁模组40和第二磁模组50之间的磁感线分布情况为:两个第三磁极501(N极)指向对面的两个第一磁极401(S极)以构成磁回路,第二磁极402(N极)指向对面的第四磁极502(S)以构成磁回路,这样使第一磁模组40和第二磁模组50保持吸合。
在本申请提供的一种实施例中,第一磁模组40由一个第一磁性件41构成,第一磁性件41的底部具有多个第一磁极401和多个第二磁极402,并且多个第一磁极401和多个第二磁极402沿着X方向交替排布。第二磁模组50由一个第二磁性件51构成,第二磁性件51的顶部具有多个第三磁极501和多个第四磁极502,多个第三磁极501和多个第四磁极502沿着X方向交替排布。
在本申请提供的一种实施例中,第一磁模组40由多个第三磁性件42构成,多个第三磁性件42沿着X方向排布,并且相邻两个第三磁性件42的磁极相反,以形成多个第一磁极401和多个第二磁极402沿着X方向交替排布的样式。第二磁模组50由多个第四磁性件52构成,多个第四磁性件52沿着X方向排布,并且相邻两个第四磁性件52的磁极相反,以形成多个第三磁极501和多个第四磁极502沿着X方向交替排布的样式。
除了上文提到的多个第一磁极401和多个第二磁极402沿着指定方向交替排布的方式之外,多个第一磁极401和多个第二磁极402还可以以棋盘格状排布,相应的,多个第三 磁极501和多个第四磁极502也可以以棋盘格状排布。具体介绍如下。
图17是本申请实施例提供的第一磁模组40和第二磁模组50的第六例的示意图。
如图17所示,在本申请提供的一种实施例中,第一磁模组40由一个第一磁性件41构成,第一磁性件41的底部具有多个第一磁极401和多个第二磁极402,多个第一磁极401和多个第二磁极402以棋盘格状排布。第二磁模组50由一个第二磁性件51构成,第二磁性件51的底部具有多个第三磁极501和多个第四磁极502,多个第三磁极501和多个第四磁极502以棋盘格状排布。
其中,本文中所定义的多个第一磁极401和多个第二磁极402以棋盘格状排布,还可以理解为呈阵列排布,例如,如图17所示,多个第一磁极401和多个第二磁极402以3×3的阵列排布。
图18是本申请实施例提供的第一磁模组40和第二磁模组50的第七例的示意图。
如图18所示,在本申请提供的一种实施例中,第一磁模组40由多个第三磁性件42构成,多个第三磁性件42以棋盘格状排布,并且相邻两个第三磁性件42的磁极相反,以形成多个第一磁极401和多个第二磁极402以棋盘格状排布的样式。第二磁模组50由多个第四磁性件52构成,多个第四磁性件52以棋盘格状排布,并且相邻两个第四磁性件52的磁极相反,以形成多个第三磁极501和多个第四磁极502以棋盘格状排布的样式。
其中,本实施例中所定义的相邻两个第三磁性件42的磁极相反,是指如图18中所示的,在X方向和Y方向上相邻的两个第三磁性件42,不包括对角方向上相邻的两个第三磁性件42。与之相似的,相邻两个第四磁性件52的磁极相反,也只是限定在X方向和Y方向上相邻的两个第四磁性件52。
再如图18所示,在本申请提供的一种实施例中,多个第三磁性件42之间相互连接。多个第四磁性件52之间相互连接。
可选地,多个第三磁性件42之间相互连接的方式包括但不限于是胶黏剂粘接、相互抵接,相应的,多个第四磁性件52之间相互连接的方式包括但不限于是胶黏剂粘接、相互抵接。
本实施例中,将多个第三磁性件42连接后作为整体,可方便进行第一磁模组40的组装。相应的,将多个第四磁性件52连接后作为整体,也具有相同的优点。
图19是本申请实施例提供的第一磁模组40和第二磁模组50的第八例的示意图。
如图19所示,在本申请提供的一种实施例中,多个第三磁性件42之间间隔设置。多个第四磁性件52之间间隔设置。
以间隔设置的两个第三磁性件42为例,图20是图19中的第三磁性件42的磁感线分布示意图,如图20所示,间隔设置的两个第三磁性件42,能够形成聚集在自身附近磁感线回路。
相类似的,间隔设置的多个第四磁性件52,也能够形成聚集在自身附近磁感线回路。
图21是图19中的第三磁性件42和第四磁性件52靠近时的磁感线分布示意图。如图21所示,间隔设置的两个第三磁性件42与间隔设置的两个第四磁性件52,在吸合后形成磁回路。
图22是本申请实施例提供的第一中框11和第二中框21的第一例的示意图。
如图22所示,在本申请提供的一种实施例中,第一机壳10包括第一中框11,第一 中框11设置有第一容纳槽12,第一磁模组40设置于第一容纳槽12中。第二机壳20包括第二中框21,第二中框21设置有第二容纳槽22,第二磁模组50设置于第二容纳槽22中。
本实施例中,通过在第一中框11上开设第一容纳槽12以及在第二中框21上开设第二容纳槽22,通过第一容纳槽12来快速定位第一磁模组40在第一中框11上的安装位置以及通过第二容纳槽22来快速定位第二磁模组50在第二中框21上的安装位置,进而提高了第一磁模组40与第一机壳10、第二磁模组50与第二机壳20的组装效率。
可选地,第一磁模组40与第一中框11的安装方式有多种:可以通过胶黏剂将第一磁模组40粘接在第一容纳槽12内;或者,通过螺钉将第一磁模组40锁固在第一容纳槽12内;或者,将第一磁模组40通过过盈配合的方式与卡固在第一容纳槽12内;或者,在第一磁模组40和第一容纳槽12上分别设置卡扣结构,通过卡扣结构将二者固定相连。
可选地,第二磁模组50与第二中框21的安装方式有多种:可以通过胶黏剂将第二磁模组50粘接在第二容纳槽22内;或者,通过螺钉将第二磁模组50锁固在第二容纳槽22内;或者,将第二磁模组50通过过盈配合的方式与卡固在第二容纳槽22内;或者,在第二磁模组50和第二容纳槽22上分别设置卡扣结构,通过卡扣结构将二者固定相连。
图23是本申请实施例提供的第一磁模组40、第一填充件13以及第一导磁片14的示意图。
如图23所示,以及再如图22所示,在本申请提供的一种实施例中,第一磁模组40与第一容纳槽12的槽侧壁之间具有间隙,且间隙内设置有非磁性的第一填充件13。
在理想情况下,第一磁模组40与第一容纳槽12之间没有间隙,但是这就要求第一容纳槽12的尺寸与第一磁模组40的尺寸要完全适配,进而对第一容纳槽12的加工精度要求较高,从而增加了第一中框11的加工难度以及制造成本。因此,为了降低第一容纳槽12的加工难度,降低第一中框11的制造成本,可以粗略的开设一个尺寸略大的第一容纳槽12,不用完全与第一磁模组40的尺寸适配,这样在将第一磁模组40放入与第一容纳槽12后,二者之间会存在间隙,因此通过第一填充件13进行填充,以避免第一磁模组40在第一容纳槽12内晃动,同时还要求第一填充件13的材料为泡棉、橡胶、树脂等非磁性的材料,从而能够避免第一填充件13影响到第一磁模组40的磁感线,使得第一磁模组40的磁感线能够按照设计路线发散并形成磁回路。
在本申请提供的另一种实施例中,第二磁模组50与第二容纳槽22的槽侧壁之间也具有间隙,且间隙内也设置有非磁性的第二填充件。
再如图23所示,在本申请提供的一种实施例中,第一磁模组40朝向第一容纳槽12的槽底壁的一侧设置有第一导磁片14。
本实施例中,在第一容纳槽12的槽底壁与第一磁模组40之间设置第一导磁片14,能够进一步地将第一磁模组40的磁感线约束或聚集在自身附近,从而避免第一磁模组40吸引第一机壳10外部的异物71。
可选地,第一导磁片14的材料包括但不限于是低碳钢、冷轧碳素钢片、铁素体不锈钢片、硅钢片等。
上文中介绍了通过第一填充件13去填充第一磁模组40与第一容纳槽12之间的间隙,以避免第一磁模组40在第一容纳槽12内晃动,还可以通过在第一导磁片14上设置限位 结构防止第一磁模组40晃动,也就是如本申请提供的一种实施例中,如图23所示,第一导磁片14的边缘具有弯折形成的第一限位部141,第一磁模组40与第一容纳槽12的槽侧壁之间具有间隙,且间隙内设置有第一限位部141。
再如图23所示,在本申请提供的一种实施例中,第一磁模组40与第一容纳槽12的槽侧壁之间形成有供外界工具插入的第一缺口43。
为了方便拆卸第一磁模组40,在第一磁模组40上开设第一缺口43,从而能够方便地将撬棒等工具插入第一磁模组40的底部,以将第一磁模组40从第一容纳槽12内撬出来。
可选地,该第一缺口43可以是在第一磁模组40上开设的豁口形成的;或者,该第一缺口43还可以是在第一容纳槽12的槽口处开设的豁口形成的。
图24是本申请实施例提供的第二磁模组50和第二导磁片23的示意图。
与第一导磁片14作用相似的,如图24所示,在本申请提供的另一种实施例中,第二磁模组50朝向第二容纳槽22的槽底壁的一侧设置有第二导磁片23。
可选地,第二导磁片23的材料包括但不限于是低碳钢、冷轧碳素钢片、铁素体不锈钢片、硅钢片等。
与第一限位部141作用相似的,如图24所示,在本申请提供的另一种实施例中,第二导磁片23的边缘具有弯折形成的第二限位部231,第二磁模组50与第二容纳槽22的槽侧壁之间具有间隙,且间隙内设置有第二限位部231。
与第一缺口43作用相似的,在本申请提供的另一种实施例中,第二磁模组50与第二容纳槽22的槽侧壁之间形成有供外界工具插入的第二缺口。
图25是本申请实施例提供的第一中框11和第二中框21的第二例的示意图。
如图25所示,在本申请提供的一种实施例中,第一容纳槽12包括第一子槽121、第二子槽122以及第三子槽123,第一子槽121、第二子槽122以及第三子槽123均设置有第一磁模组40。第一子槽121位于第一中框11远离转轴组件30的一个转角处,第二子槽122和第三子槽123位于第一中框11远离转轴组件30的另一个转角处。
第二容纳槽22包括第四子槽221、第五子槽222以及第六子槽223,第四子槽221、第五子槽222以及第六子槽223均设置有第二磁模组50。第四子槽221位于第二中框21远离转轴组件30的一个转角处,第五子槽222和第六子槽223位于第二中框21远离转轴组件30的另一个转角处。
本实施例中,进一步限定了第一容纳槽12和第二容纳槽22的位置,使得槽内的第一磁模组40和第二磁模组50位于中框转角处,能够将第一机壳10和第二机壳20在转角处进行吸合,这样可以以较少的磁模组数量实现较均匀的开合手感,而减少磁模组的布置数量,有利于对一些磁敏感器件进行设计安装,具体理由为:可折叠手机普遍具有诸如指南针、霍尔器件、磁阻器件、扬声器模组等对于磁场强度非常敏感的器件,倘若此类磁敏感器件与用来吸合可折叠手机的磁模组的布局方式不合理,则磁敏感器件很容易被磁模组产生的磁场所干扰,由此会导致磁敏感器件的功能失效或者工作精准度差等问题,而布置在转角处的磁模组则可以避让开机壳上的大部分区域,从而为这些磁敏感器件提供更充足的设计安装位置。
再如图25所示,在本申请提供的一种实施例中,第二子槽122和第三子槽123的开口面积均小于第一子槽121的开口面积。第五子槽222和第六子槽223的开口面积均小于 第四子槽221的开口面积。
本实施例中,一个转角处设置一个开口面积较大的子槽,另一个转角处设置两个开口面积较小的子槽,从而便于进行结构优化,例如,当第一机壳10的转角处的部件较多,位置不足以开设一个较大的第一子槽121时,可以通过开设两个较小的第二子槽122和第三子槽123进行实现;当转角处的部件较少时,位置充足则可以开设一个较大的第一子槽121。
图26是图25中的第一子槽121、第二子槽122、第三子槽123、第四子槽221、第五子槽222以及第六子槽223内的磁模组的示意图。
如图26所示,在本申请提供的一种实施例中,第一子槽121内的第一磁模组40,即图26中C1所指,该第一磁模组40具有两个第一磁极401和两个第二磁极402,两个第一磁极401和两个第二磁极402以棋盘格状排布。第四子槽221内的第二磁模组50,即图26中D1所指,该第二磁模组50具有两个第三磁极501和两个第四磁极502,两个第三磁极501和两个第四磁极502以棋盘格状排布。
此外,第二子槽122内的第一磁模组40,即图26中C2所指,该第一磁模组40具有一个第一磁极401和一个第二磁极402。第三子槽123内的第一磁模组40,即图26中C3所指,该第一磁模组40具有一个第一磁极401和一个第二磁极402。
第五子槽222内的第二磁模组50,即图26中D2所指,该第二磁模组50具有一个第三磁极501和一个第四磁极502。第六子槽223内的第二磁模组50,即图26中D3所指,该第二磁模组50具有一个第三磁极501和一个第四磁极502。
并且,本实施例中位于第一子槽121、第二子槽122以及第三子槽123内的第一磁模组40,均由单极充磁的第三磁性件42组成;本实施例中第四子槽221、第五子槽222以及第六子槽223内的第二磁模组50,均由单极充磁的第四磁性件52组成。
可选地,在另一些实施例中,还可以通过单极充磁的磁性件和多极充磁的磁性件组合而成。图27是本申请实施例提供的第一磁模组40和第二磁模组50的第九例的示意图,如图27所示,第一磁模组40由一个多极充磁的第一磁性件41和两个单极充磁的第三磁性件42组合而成,第二磁模组50也由一个多极充磁的第二磁性件51和两个单极充磁的第四磁性件52组合而成。
可选地,在另一些实施例中,还可以通过多极充磁的磁性件组合而成。图28是本申请实施例提供的第一磁模组40和第二磁模组50的第十例的示意图,如图28所示,第一磁模组40由两个多极充磁的第一磁性件41组合而成,第二磁模组50也由两个多级充磁的第二磁性件51组合而成。
在本申请提供的一种实施例中,第一子槽121和第二子槽122的槽侧壁均具有圆倒角。第四子槽221和第五子槽222的槽侧壁具有圆倒角。
本实施例中,槽侧壁开设圆倒角能够分散应力,使得第一机壳10和第二机壳20上的开槽处避免出现应力集中,使得第一机壳10和第二机壳20的强度得到提高,在跌落时能够抵抗更大的冲击力。
图29是本申请实施例提供的第一中框11和第二中框21的第三例的示意图。图30是图29中第一容纳槽12和第二容纳槽22内的磁模组的示意图。
如图29-图30所示,在本申请提供的一种实施例中,第一容纳槽12为条形槽,且位 于第一机壳10远离转轴组件30的周边处。第一容纳槽12内的第一磁模组40具有多个第一磁极401和多个第二磁极402,多个第一磁极401和多个第二磁极402沿着指定方向交替排布。第二容纳槽22为条形槽,且位于第二机壳20远离转轴组件30的周边处。第二容纳槽22内的第二磁模组50具有多个第三磁极501和多个第四磁极502,多个第三磁极501和多个第四磁极502沿着指定方向交替排布。
并且,本实施例中的第一磁模组40,均由单极充磁的第三磁性件42组成;本实施例中的第二磁模组50,均由单极充磁的第四磁性件52组成。
本实施例中,进一步限定了第一容纳槽12和第二容纳槽22的结构和位置,使得槽内的第一磁模组40和第二磁模组50布置在机壳的周边,在手机折叠后形成的吸合效果为线性吸合连接,即可以围绕着机壳周边一圈都有吸合,能够减少甚至消除吸合盲区。由于吸合盲区的开合手感相比较吸合区域偏软,而本实施例能够减少甚至消除吸合盲区,这使得用户在对机壳进行展开操作时,任意一处所感受到的开合手感都相同,从而提升了用户的使用体验。
最后应说明的是:以上所述,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,任何在本申请揭露的技术范围内的变化或替换,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所述权利要求的保护范围为准。

Claims (18)

  1. 一种电子设备,其特征在于,包括第一机壳(10)、第二机壳(20)以及将所述第一机壳(10)和所述第二机壳(20)转动连接的转轴组件(30),所述第一机壳(10)和所述第二机壳(20)可在折叠态和展平态切换;
    所述第一机壳(10)和所述第二机壳(20)远离所述转轴组件(30)的部位分别设有第一磁模组(40)和第二磁模组(50),在所述第一机壳(10)和所述第二机壳(20)处于折叠态时,所述第一磁模组(40)和所述第二磁模组(50)相吸合;
    所述第一磁模组(40)与所述第二磁模组(50)相吸合的一侧具有相邻设置且极性相反的第一磁极(401)和第二磁极(402);
    所述第二磁模组(50)的对应一侧具有与所述第一磁极(401)的极性相反的第三磁极(501)、与所述第二磁极(402)的极性相反的第四磁极(502),所述第三磁极(501)和所述第四磁极(502)相邻设置且极性相反。
  2. 根据权利要求1所述的电子设备,其特征在于,所述第一磁极(401)和所述第二磁极(402)的数量为多个,多个所述第一磁极(401)和多个所述第二磁极(402)沿着指定方向交替排布;
    所述第三磁极(501)和所述第四磁极(502)的数量为多个,多个所述第三磁极(501)和多个所述第四磁极(502)沿着指定方向交替排布。
  3. 根据权利要求1所述的电子设备,其特征在于,所述第一磁极(401)和所述第二磁极(402)的数量为多个,多个所述第一磁极(401)和多个所述第二磁极(402)以棋盘格状排布;
    所述第三磁极(501)和所述第四磁极(502)的数量为多个,多个所述第三磁极(501)和多个所述第四磁极(502)以棋盘格状排布。
  4. 根据权利要求1-3中任一项所述的电子设备,其特征在于,所述第一磁模组(40)包括第一磁性件(41),所述第一磁性件(41)为多极充磁的永磁体;
    所述第二磁模组(50)包括第二磁性件(51),所述第二磁性件(51)为多极充磁的永磁体。
  5. 根据权利要求1-3中任一项所述的电子设备,其特征在于,所述第一磁模组(40)包括多个第三磁性件(42),每个所述第三磁性件(42)为单极充磁的永磁体;
    所述第二磁模组(50)包括多个第四磁性件(52),每个所述第四磁性件(52)为单极充磁的永磁体。
  6. 根据权利要求5所述的电子设备,其特征在于,所述多个第三磁性件(42)之间相互连接;
    所述多个第四磁性件(52)之间相互连接。
  7. 根据权利要求5所述的电子设备,其特征在于,所述多个第三磁性件(42)之间间隔设置;
    所述多个第四磁性件(52)之间间隔设置。
  8. 根据权利要求2或3所述的电子设备,其特征在于,所述第一磁模组(40)包括第一磁性件(41)和多个第三磁性件(42),所述第一磁性件(41)为多极充磁的永磁体, 每个所述第三磁性件(42)为单极充磁的永磁体;
    所述第二磁模组(50)包括第二磁性件(51)和多个第四磁性件(52),所述第二磁性件(51)为多极充磁的永磁体,每个所述第四磁性件(52)为单极充磁的永磁体。
  9. 根据权利要求1-8中任一项所述的电子设备,其特征在于,所述第一机壳(10)包括第一中框(11),所述第一中框(11)设置有第一容纳槽(12),所述第一磁模组(40)设置于所述第一容纳槽(12)中;
    所述第二机壳(20)包括第二中框(21),所述第二中框(21)设置有第二容纳槽(22),所述第二磁模组(50)设置于所述第二容纳槽(22)中。
  10. 根据权利要求9所述的电子设备,其特征在于,所述第一磁模组(40)与所述第一容纳槽(12)的槽侧壁之间具有间隙,且间隙内设置有非磁性的第一填充件(13);
    和/或,所述第二磁模组(50)与所述第二容纳槽(22)的槽侧壁之间具有间隙,且间隙内设置有非磁性的第二填充件。
  11. 根据权利要求9所述的电子设备,其特征在于,所述第一磁模组(40)朝向所述第一容纳槽(12)的槽底壁的一侧设置有第一导磁片(14);
    和/或,所述第二磁模组(50)朝向所述第二容纳槽(22)的槽底壁的一侧设置有第二导磁片(23)。
  12. 根据权利要求11所述的电子设备,其特征在于,所述第一导磁片(14)的边缘具有弯折形成的第一限位部(141),所述第一磁模组(40)与所述第一容纳槽(12)的槽侧壁之间具有间隙,且间隙内设置有所述第一限位部(141);
    和/或,所述第二导磁片(23)的边缘具有弯折形成的第二限位部(231),所述第二磁模组(50)与所述第二容纳槽(22)的槽侧壁之间具有间隙,且间隙内设置有所述第二限位部(231)。
  13. 根据权利要求9-12中任一项所述的电子设备,其特征在于,所述第一磁模组(40)与所述第一容纳槽(12)的槽侧壁之间形成有供外界工具插入的第一缺口(43);
    和/或,所述第二磁模组(50)与所述第二容纳槽(22)的槽侧壁之间形成有供外界工具插入的第二缺口。
  14. 根据权利要求9-13中任一项所述的电子设备,其特征在于,所述第一容纳槽(12)包括第一子槽(121)、第二子槽(122)以及第三子槽(123),所述第一子槽(121)、所述第二子槽(122)以及所述第三子槽(123)均设置有所述第一磁模组(40);所述第一子槽(121)位于所述第一中框(11)远离所述转轴组件(30)的一个转角处,所述第二子槽(122)和所述第三子槽(123)位于所述第一中框(11)远离所述转轴组件(30)的另一个转角处;
    所述第二容纳槽(22)包括第四子槽(221)、第五子槽(222)以及第六子槽(223),所述第四子槽(221)、所述第五子槽(222)以及所述第六子槽(223)均设置有所述第二磁模组(50);所述第四子槽(221)位于所述第二中框(21)远离所述转轴组件(30)的一个转角处,所述第五子槽(222)和所述第六子槽(223)位于所述第二中框(21)远离所述转轴组件(30)的另一个转角处。
  15. 根据权利要求14所述的电子设备,其特征在于,所述第二子槽(122)和所述第三子槽(123)的开口面积均小于所述第一子槽(121)的开口面积;
    所述第五子槽(222)和所述第六子槽(223)的开口面积均小于所述第四子槽(221)的开口面积。
  16. 根据权利要求14或15所述的电子设备,其特征在于,所述第一子槽(121)内的所述第一磁模组(40)具有两个所述第一磁极(401)和两个所述第二磁极(402),两个所述第一磁极(401)和两个所述第二磁极(402)以棋盘格状排布;
    所述第四子槽(221)内的所述第二磁模组(50)具有两个所述第三磁极(501)和两个所述第四磁极(502),两个所述第三磁极(501)和两个所述第四磁极(502)以棋盘格状排布。
  17. 根据权利要求14-16中任一项所述的电子设备,其特征在于,所述第一子槽(121)和所述第二子槽(122)的槽侧壁均具有圆倒角;
    所述第四子槽(221)和所述第五子槽(222)的槽侧壁具有圆倒角。
  18. 根据权利要求9-13中任一项所述的电子设备,其特征在于,所述第一容纳槽(12)为条形槽,且位于所述第一机壳(10)远离所述转轴组件(30)的周边处;所述第一容纳槽(12)内的所述第一磁模组(40)具有多个所述第一磁极(401)和多个所述第二磁极(402),多个所述第一磁极(401)和多个所述第二磁极(402)沿着指定方向交替排布;
    所述第二容纳槽(22)为条形槽,且位于所述第二机壳(20)远离所述转轴组件(30)的周边处;所述第二容纳槽(22)内的所述第二磁模组(50)具有多个所述第三磁极(501)和多个所述第四磁极(502),多个所述第三磁极(501)和多个所述第四磁极(502)沿着指定方向交替排布。
PCT/CN2024/070603 2024-01-04 2024-01-04 电子设备 Pending WO2025145386A1 (zh)

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