WO2024103889A1 - Dispositif terminal - Google Patents

Dispositif terminal Download PDF

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Publication number
WO2024103889A1
WO2024103889A1 PCT/CN2023/114769 CN2023114769W WO2024103889A1 WO 2024103889 A1 WO2024103889 A1 WO 2024103889A1 CN 2023114769 W CN2023114769 W CN 2023114769W WO 2024103889 A1 WO2024103889 A1 WO 2024103889A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
circuit board
magnetic component
terminal device
side wall
Prior art date
Application number
PCT/CN2023/114769
Other languages
English (en)
Chinese (zh)
Inventor
薛康乐
高久亮
邹文博
巩龙龙
赵鑫
Original Assignee
荣耀终端有限公司
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 荣耀终端有限公司 filed Critical 荣耀终端有限公司
Publication of WO2024103889A1 publication Critical patent/WO2024103889A1/fr

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Classifications

    • 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

Definitions

  • the present application relates to the technical field of terminal devices, and more specifically, to a foldable terminal device.
  • Flexible screens have the property of being bendable and have been used in foldable terminal devices such as mobile phones, tablets, bracelets, game consoles, and wearable devices.
  • magnets need to be arranged in the foldable terminal device to achieve tight attraction of the entire device when it is folded.
  • the current magnet layout of foldable terminal devices tends to be more numerous and evenly distributed.
  • terminal devices generally have devices such as compasses, Hall devices, and magnetoresistive devices that are very sensitive to magnetic field strength, if the layout of such magnetically sensitive devices and the magnets used to attract the terminal devices is unreasonable, the magnetically sensitive devices will easily be disturbed by the magnetic field generated by the magnets, which will lead to problems such as failure of the magnetically sensitive devices or poor working accuracy.
  • the purpose of the present application is to provide a terminal device.
  • a specific area with a low magnetic field or a zero magnetic field can be generated between the first magnetic component and the second magnetic component.
  • Magnetic sensitive devices such as a compass, a Hall device, and a magnetoresistive device can be set in the specific area to ensure the normal operation of the device.
  • the present application provides a terminal device, comprising a first body and a second body, wherein a hinge assembly is provided at the junction of the first body and the second body, so that the first body and the second body can be switched between a folded state and an unfolded state;
  • a first magnetic attraction module and a second magnetic attraction module are respectively provided at sides of the first body and the second body away from the rotating shaft assembly, and when the first body and the second body are in a folded state, the first magnetic attraction module and the second magnetic attraction module are attracted to each other;
  • the first magnetic attraction module includes a first magnetic part and a second magnetic part arranged along the side, and a magnetic sensitive device is provided in an area of the first body located between the first magnetic part and the second magnetic part. At the magnetic sensitive device, the direction of the magnetic field generated by the first magnetic part is opposite to the direction of the magnetic field generated by the second magnetic part.
  • an environmental magnetic field condition with low magnetic field strength or zero magnetic field strength can be debugged and formed in the specific area, so that the magnetic sensitive device set in the specific area is not affected by the magnetic field of the first magnetic part and the second magnetic part, thereby ensuring that magnetic sensitive devices such as compasses, Hall devices, and magnetoresistive devices can work normally, so that the corresponding functions on the terminal device can be effective and the working accuracy is guaranteed.
  • the first magnetic attraction module further includes a third magnetic member and a fourth magnetic member, the third The magnetic component, the first magnetic component, the second magnetic component and the fourth magnetic component are arranged in sequence along the side; the third magnetic component has opposite magnetism to the first magnetic component, the first magnetic component has opposite magnetism to the second magnetic component, and the second magnetic component has opposite magnetism to the fourth magnetic component.
  • the third magnetic component and the fourth magnetic component cooperate with each other to expand the range of the specific area of low magnetic field strength or zero magnetic field strength, making the layout design of the magnetic sensitive device more flexible, which is beneficial to the overall structure optimization of the terminal device.
  • the body includes a middle frame, the middle frame includes a bottom wall and a first side wall arranged at an edge of the bottom wall away from the hinge assembly, the first magnetic suction module is arranged on the first side wall, and the first side wall is the side edge.
  • the first side wall includes a side wall section located between the first magnetic component and the second magnetic component, and the magnetic sensitive device is arranged at an edge of the bottom wall close to the side wall section.
  • the magnetic sensitive device is arranged at the edge of the bottom wall close to the side wall section, so that the magnetic sensitive device is placed in a specific area with low magnetic field intensity or zero magnetic field intensity.
  • a barrier wall is provided on the bottom wall to divide the bottom wall into a battery placement area and a circuit board placement area.
  • a first circuit board is provided in the circuit board placement area, and a battery is provided in the battery placement area.
  • the magnetic sensitive device is arranged on the first circuit board and is located at an edge of the first circuit board close to the side wall segment.
  • the magnetic sensitive device is arranged on the first circuit board near the edge of the side wall section, that is, closer to the connection line between the first magnetic component and the second magnetic component, so that the magnetic sensitive device is placed in a specific area with low magnetic field strength or zero magnetic field strength.
  • a partition wall is provided on the bottom wall to divide the bottom wall into a battery placement area and a circuit board placement area.
  • a first circuit board is provided in the circuit board placement area.
  • a battery and a second circuit board are provided in the battery placement area. The second circuit board is electrically connected to the first circuit board through a flexible circuit board.
  • the magnetic sensitive device is arranged on the second circuit board and is located at an edge of the second circuit board close to the side wall segment.
  • the magnetic sensitive device is arranged on the second circuit board near the edge of the side wall section, that is, closer to the connection line between the first magnetic component and the second magnetic component, so that the magnetic sensitive device is placed in a specific area with low magnetic field strength or zero magnetic field strength.
  • a partition wall is provided on the bottom wall to divide the bottom wall into a battery placement area and a circuit board placement area.
  • a first circuit board is provided in the circuit board placement area.
  • a battery and a second circuit board are provided in the battery placement area. The second circuit board is electrically connected to the first circuit board through a flexible circuit board.
  • the flexible circuit board is located at the edge of the bottom wall close to the side wall section, and the magnetic sensitive device is arranged on the flexible circuit board.
  • two ends of the flexible circuit board are electrically connected to the first circuit board and the second circuit board respectively, and the magnetic sensitive device is located at the ends of the flexible circuit board.
  • the relative position between the magnetic sensitive device and the first circuit board or the second circuit board can be ensured to be fixed, which is beneficial to the working accuracy of the sensitive device. In addition, it is also beneficial to the connection stability of the welding point and increases the shock resistance of the magnetic sensitive device.
  • a receiving groove is provided on the surface of the side of the bottom wall facing away from the magnetic sensitive device, the receiving groove is located at the edge of the side of the bottom wall away from the rotating shaft assembly, and the receiving groove extends along the groove depth direction to the interior of the first side wall, and the first magnetic attraction module is arranged in the receiving groove.
  • the first magnetic attraction module is arranged in a receiving groove on a side surface of the bottom wall away from the magnetic sensitive device, so that the receiving groove can form a magnetic shielding effect on the first magnetic attraction module, and can further prevent the first magnetic attraction module from interfering with the magnetic sensitive device.
  • the second body includes a first device having a magnetic component, an edge of the second body on one side away from the hinge assembly is a second side wall, and an edge of the second body on one side close to the hinge assembly is a third side wall; the distance from the first device to the second side wall is greater than or equal to the distance from the first device to the third side wall.
  • the first device When the terminal device is in a folded state, the first device can be kept away from the first magnetic attraction module and the magnetic sensitive device, thereby preventing the magnetic field generated by the first device from interfering with the magnetic sensitive device, thereby ensuring that the magnetic sensitive device can maintain stability and work accurately when the terminal device is in a folded state.
  • the first device includes a speaker, a vibration motor, and a microphone.
  • the first magnetic attraction module also includes a fifth magnetic component, and the fifth magnetic component is arranged on the side of the first body away from the hinge assembly, and the fifth magnetic component is located at a corner of the first body away from the first magnetic component.
  • the magnetic attraction forces generated by the first magnetic part, the second magnetic part, the third magnetic part and other multiple magnetic parts can be evenly distributed on the sides of the body, so that the user can have a better feel when opening and closing the terminal device, avoiding the situation where the feel is strong in some parts and weak in other parts, thereby improving the user experience.
  • the distance between the first magnetic component and the second magnetic component is greater than the distance between the fourth magnetic component and the fifth magnetic component.
  • the magnetic field strength in the area between the first magnetic component and the second magnetic component is relatively low, which is conducive to debugging a specific area with low magnetic field strength or zero magnetic field strength, thereby facilitating the layout of magnetic sensitive devices and facilitating structural optimization.
  • FIG1 is a schematic diagram of a terminal device provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of an example of a magnetic attraction module and a magnetic sensitive device provided in an embodiment of the present application inside a terminal device;
  • FIG. 3 is a schematic diagram of another example of a magnetic attraction module and a magnetic sensitive device provided in an embodiment of the present application inside a terminal device;
  • FIG4 is a schematic diagram of the terminal device in FIG3 in a folded state
  • FIG5 is a schematic diagram of the magnetic flux distribution of the magnetic attraction module in FIG3 ;
  • FIG. 6 is a schematic diagram of another example of a magnetic attraction module and a magnetic sensitive device provided in an embodiment of the present application inside a terminal device;
  • FIG7 is a schematic diagram of the terminal device in FIG6 in a folded state
  • FIG8 is a schematic diagram of the magnetic flux distribution of the magnetic attraction module in FIG6;
  • FIG9 is an exploded view of the terminal device in FIG1 ;
  • FIG10 is an exploded view of the terminal device in FIG1 from another perspective
  • FIG11 is a schematic diagram of an installation example of a magnetic sensor device provided in an embodiment of the present application.
  • FIG12 is an enlarged view of point A in FIG11;
  • FIG13 is a schematic diagram of another installation example of a magnetic sensor device provided in an embodiment of the present application.
  • FIG14 is an enlarged view of point B in FIG13;
  • FIG15 is a schematic diagram of another installation example of a magnetic sensor device provided in an embodiment of the present application.
  • FIG16 is an enlarged view of point C in FIG15 ;
  • FIG17 is a top view of a terminal device provided in an embodiment of the present application.
  • FIG18 is a schematic diagram of the terminal device in FIG17 in a folded state
  • FIG. 19 is a schematic diagram of magnetic field simulation of the terminal device in FIG. 18 .
  • 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 and/or B can mean: A exists alone, A and B exist at the same time, and B exists alone.
  • a foldable phone can be as small as a traditional phone after folding, making it easy to carry, but can be as large as a tablet computer after unfolding. These features make foldable devices popular among consumers.
  • magnets need to be arranged in the foldable terminal device to achieve a tight suction of the entire device when folded.
  • the current layout of magnets in foldable terminal devices tends to be more numerous and evenly distributed.
  • terminal devices generally have compasses, Hall devices, magnetoresistive devices, etc. that are very sensitive to magnetic field strength If the layout of such magnetic sensitive devices and the magnets used to attract the terminal equipment is unreasonable, the magnetic sensitive devices will be easily disturbed by the magnetic field generated by the magnets, which will lead to problems such as failure of the function of the magnetic sensitive devices or poor working accuracy.
  • the present application provides a terminal device.
  • a specific area with a low magnetic field or a zero magnetic field can be generated between the first magnetic component and the second magnetic component.
  • Magnetic sensitive devices such as compasses, Hall devices, and magnetoresistive devices are set in the specific area to ensure the normal operation of the devices.
  • FIG1 is a schematic diagram of a terminal device provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of an example of a magnetic suction module and a magnetic sensitive device 50 provided in an embodiment of the present application inside a terminal device.
  • FIG3 is a schematic diagram of another example of a magnetic suction module and a magnetic sensitive device provided in an embodiment of the present application inside a terminal device.
  • FIG4 is a schematic diagram of the terminal device in FIG3 in a folded state.
  • FIG5 is a schematic diagram of the distribution of magnetic flux lines of the first magnetic suction module 40 in FIG3.
  • a terminal device provided in an embodiment of the present application includes a screen 31 and two bodies for carrying the screen 31, namely a first body 10 and a second body 20.
  • a hinge assembly 30 is provided at the junction of the first body 10 and the second body 20 so that the first body 10 and the second body 20 can switch between a folded state and an unfolded state.
  • a first magnetic module 40 and a second magnetic module 70 are respectively disposed at sides of the first body 10 and the second body 20 away from the hinge assembly 30 . When the first body 10 and the second body 20 are in a folded state, the first magnetic module 40 and the second magnetic module 70 are attracted to each other.
  • the first magnetic attraction module 40 includes a first magnetic component 41 and a second magnetic component 42 which are spaced apart along the side.
  • a magnetic sensitive device 50 is provided in the area of the first body 10 between the first magnetic component 41 and the second magnetic component 42. At the magnetic sensitive device 50, the direction of the magnetic field generated by the first magnetic component 41 is opposite to the direction of the magnetic field generated by the second magnetic component 42.
  • the magnetic field directions of the first magnetic component 41 and the second magnetic component 42 remain consistent, the magnetic field at the magnetic sensitive device 50 will be superimposed, and the magnetic field intensity is high, exceeding the environmental magnetic field requirement of the magnetic sensitive device 50.
  • the key point in the embodiment of the present application is that the magnetic fields formed by the first magnetic component 41 and the second magnetic component 42 on both sides of the magnetic sensitive device 50 are in opposite directions, so as to provide a safe magnetic environment for the magnetic sensitive device 50.
  • the terminal device in the embodiment of the present application sets the magnetic sensitive device 50 in a specific area M1 between the second magnetic part 42 and the first magnetic part 41, and in the specific area M1, the direction of the magnetic field generated by the first magnetic part 41 is opposite to the direction of the magnetic field generated by the second magnetic part 42, thereby adjusting the factors affecting the magnetic field strength such as the spacing, material, volume, shape, etc.
  • the magnetic sensitive device 50 such as compasses, Hall devices, and magnetoresistive devices can work normally, so that the corresponding functions on the terminal device can be effective and the working accuracy is guaranteed.
  • the terminal device includes but is not limited to a foldable mobile phone, a foldable tablet, a foldable bracelet, a foldable wearable device, etc.
  • the screen 31 may be a flexible screen that is foldable as a whole; or, the screen 31 may be a combination of a foldable flexible screen in the middle area and rigid screens at both ends, which is not limited in this application.
  • the terminal device may further include multiple modules, and the multiple modules may be stored inside the two fuselages.
  • the multiple modules of the terminal device may include but are not limited to a motherboard, a processor, a memory, a battery 62, a camera module 66, an audio module 67, a The barrel module, speaker module, microphone module, antenna module, sensor module, etc.
  • the embodiment of the present application does not specifically limit the number, type, position, etc. of the modules of the terminal device.
  • the magnetic sensitive device 50 includes but is not limited to a compass, a Hall device, a magnetoresistive device, etc.
  • the compass in the terminal device is also called an electronic compass, which is used in the terminal device as a navigation instrument or an attitude sensor. Its function can be realized by a sensor that responds to the earth's magnetic field, such as a magnetic sensor.
  • the Hall device is an electrical component made using the Hall effect.
  • a metal or semiconductor sheet with current flowing through it is placed vertically in a magnetic field, a potential difference will be generated at both ends of the sheet. This phenomenon is called the Hall effect.
  • the Hall device belongs to this type of active magnetoelectric conversion device. It is made based on the principle of the Hall effect and uses integrated packaging and assembly technology. It can easily convert magnetic input signals into electrical signals for practical applications.
  • magnetoresistive devices are electrical components made using the magnetoresistive effect.
  • the phenomenon that the resistance of a substance changes in a magnetic field is called the magnetoresistive effect.
  • They are also electrical components that convert magnetic input signals into electrical signals for practical applications.
  • the magnetic sensitive device 50 may also include a speaker module.
  • the speaker is usually composed of a sound membrane and a coil made of conductive material.
  • the speaker has its own magnetic field formed inside.
  • the coil will be affected by the magnetic field force and vibrate, thereby driving the sound membrane to vibrate and then make a sound, thereby achieving the purpose of converting the electrical signal into sound.
  • the vibration of the sound membrane will become unstable, causing the sound quality of the speaker to be distorted. Therefore, on some terminal devices that pursue extreme sound quality, the first magnetic module 40 should also avoid interfering with the speaker, and the above purpose can be achieved by adopting the layout of the first magnetic module 40 and the speaker module in the embodiment of the present application.
  • the magnetic sensitive device 50 may be directly disposed on the mainboard; or, the magnetic sensitive device 50 may be disposed on the flexible circuit board 64; or, the magnetic sensitive device 50 may be disposed on other circuit boards and then connected to the mainboard through the flexible circuit board 64.
  • the magnetic sensitive device 50 may be directly disposed on the mainboard; or, the magnetic sensitive device 50 may be disposed on the flexible circuit board 64; or, the magnetic sensitive device 50 may be disposed on other circuit boards and then connected to the mainboard through the flexible circuit board 64.
  • the first magnetic module 40 can be fixed in a receiving groove 114 provided on the first body 10 ; or, the first magnetic module 40 can be fixed on an inner surface of the first body 10 .
  • the materials of the first magnetic member 41 and the second magnetic member 42 include but are not limited to samarium cobalt magnets, neodymium iron boron magnets, ferrite magnets, aluminum nickel cobalt magnets, and iron chromium cobalt magnets.
  • the structures of the magnetic modules on the two bodies may be the same.
  • the first magnetic module 40 composed of multiple magnetic parts (a first magnetic part 41 and a second magnetic part 42) provided on the first body 10 is the same as the second magnetic module 70 composed of multiple magnetic parts provided on the second body 20.
  • the material and layout of the multiple magnetic parts arranged on the second body 20 should be the same as those of the first magnetic attraction module 40, so that the second magnetic attraction module 70 can also form a specific area with low magnetic field intensity or zero magnetic field intensity, so that when the second body 20 is in a folded state, the second magnetic attraction module 70 will not interfere with the magnetic sensitive device 50.
  • the structures of the magnetic modules on the two bodies may be different.
  • the first magnetic module 40 composed of multiple magnetic parts (first magnetic part 41 and second magnetic part 42) arranged on the first body 10 is different from the second magnetic module 70 which is a whole piece arranged on the second body 20.
  • the material of the second magnetic attraction module 70 is made of metal material that can be attracted by the first magnetic attraction module 40, such as metals such as iron, cobalt and nickel, so that the second magnetic attraction module 70 will not form a magnetic field, and will not interfere with the magnetic sensitive device 50 when the second body 20 is in the folded state.
  • the specific area M1 can only be located on the line between the first magnetic member 41 and the second magnetic member 42. This is because the first magnetic member 41 and the second magnetic member 42 are In addition to its own magnetic circuit, 42 may also have a magnetic circuit formed by the coupling of the first magnetic component 41 and the second magnetic component 42. For example, as shown in FIG5 , above and below the specific area M1, there may be a magnetic circuit formed by the coupling of the first magnetic component 41 and the second magnetic component 42, where there is a certain magnetic field strength.
  • the specific area M1 is relatively small, so that the layout flexibility of the magnetic sensitive device 50 is relatively low and can only be arranged within a limited range, which is not conducive to the overall structure optimization of the terminal device.
  • Fig. 6 is a schematic diagram of another example of a magnetic attraction module and a magnetic sensitive device 50 provided in an embodiment of the present application inside a terminal device.
  • Fig. 7 is a schematic diagram of the terminal device in Fig. 6 in a folded state.
  • Fig. 8 is a schematic diagram of the magnetic flux distribution of the magnetic attraction module in Fig. 9.
  • the first magnetic attraction module 40 also includes a third magnetic component 43 and a fourth magnetic component 44, and the third magnetic component 43, the first magnetic component 41, the second magnetic component 42 and the fourth magnetic component 44 are arranged in sequence along the side; the third magnetic component 43 has opposite magnetism to the first magnetic component 41, the first magnetic component 41 has opposite magnetism to the second magnetic component 42, and the second magnetic component 42 has opposite magnetism to the fourth magnetic component 44.
  • the third magnetic component 43 and the fourth magnetic component 44 on the outermost sides can be coupled to form a magnetic circuit
  • the first magnetic component 41 and the second magnetic component 42 on the innermost sides can be coupled to form a reverse magnetic circuit.
  • the directions of the two parts of the magnetic field are just opposite and can offset the magnetic field. Therefore, the specific area with low magnetic field strength or zero magnetic field strength is no longer limited to the connecting line between the first magnetic component 41 and the second magnetic component 42, so that the range of the specific area is expanded.
  • the specific area M2 in FIG. 5 is expanded compared to the specific area M1 in FIG. 5 , and the magnetic sensitive device 50 can be arranged in the specific area M2, so that the layout design of the magnetic sensitive device 50 in this embodiment is more flexible, which is beneficial to the overall structure optimization of the terminal device.
  • Fig. 9 is an exploded view of the terminal device in Fig. 1.
  • Fig. 10 is an exploded view of the terminal device in Fig. 1 from another perspective.
  • Fig. 17 is a top view of a terminal device provided in an embodiment of the present application.
  • the first body 10 includes a middle frame 11, the middle frame 11 includes a bottom wall 111 and a first side wall 112 arranged at an edge of a side of the bottom wall 111 away from the hinge assembly 30, the first magnetic attraction module 40 is arranged on the first side wall 112, and the first side wall 112 constitutes a side edge; the first side wall 112 includes a side wall section 112a located between the first magnetic component 41 and the second magnetic component 42, and the magnetic sensitive device 50 is arranged at the edge of the bottom wall 111 close to the side wall section 112a.
  • the connection between the first magnetic component 41 and the second magnetic component 42 can be adjusted to a specific area with low magnetic field strength or zero magnetic field strength. Therefore, as shown in Figures 9, 10, and 17, in this embodiment, it is a more reasonable layout to arrange the magnetic sensitive device 50 at the edge of the bottom wall 111 close to the side wall section 112a, that is, closer to the connection between the first magnetic component 41 and the second magnetic component 42.
  • the first body 10 further includes a back cover 12, which covers the middle frame 11 opposite to the screen 31.
  • the back cover 12, the middle frame 11 and the screen 31 together form a closed space for installing various modules of the terminal device.
  • the terminal device further includes a camera module 66 and a camera decoration 67.
  • the camera decoration 67 It is mainly used to protect the camera module 66 and also serves to decorate the appearance of the terminal device.
  • Fig. 11 is a schematic diagram of an installation of a magnetic sensor device 50 according to an embodiment of the present application.
  • Fig. 12 is an enlarged view of point A in Fig. 11 .
  • the magnetic sensitive device 50 can be directly set on the main board, that is, as shown in one embodiment provided in the present application, a partition wall 113 is provided on the bottom wall 111 to divide the bottom wall 111 into a battery placement area 111a and a circuit board placement area 111b, a first circuit board 61 is provided in the circuit board placement area 111b, and a battery 62 is provided in the battery placement area 111a; the magnetic sensitive device 50 is provided on the first circuit board 61, and is located at the edge of the first circuit board 61 close to the side wall section 112a.
  • the first circuit board 61 may be a mainboard of the terminal device, and the magnetic sensitive device 50 may be directly soldered on the first circuit board 61.
  • the magnetic sensitive device 50 is disposed on the first circuit board 61 at an edge close to the side wall section 112a, that is, closer to the connection line between the first magnetic member 41 and the second magnetic member 42, so that the magnetic sensitive device 50 is placed in a specific area with low magnetic field strength or zero magnetic field strength.
  • Fig. 13 is a schematic diagram of another installation example of the magnetic sensor device 50 provided in the embodiment of the present application.
  • Fig. 14 is an enlarged view of point B in Fig. 13 .
  • the magnetic sensitive device 50 can be arranged on other circuit boards and then connected to the main board through the flexible circuit board 64. That is, in an embodiment provided in the present application, as shown in Figures 9, 13, and 14, a partition wall 113 is provided on the bottom wall 111 to divide the bottom wall 111 into a battery placement area 111a and a circuit board placement area 111b.
  • a first circuit board 61 is provided in the circuit board placement area 111b, and a battery 62 and a second circuit board 63 are provided in the battery placement area 111a.
  • the second circuit board 63 is electrically connected to the first circuit board 61 through the flexible circuit board 64; the magnetic sensitive device 50 is provided on the second circuit board 63 and is located at the edge of the second circuit board 63 close to the side wall section 112a.
  • the first circuit board 61 may be the main board of the terminal device
  • the second circuit board 63 may be the charging protection board of the battery 62
  • the magnetic sensitive device 50 is welded on the second circuit board 63
  • the second circuit board 63 is electrically connected to the first circuit board 61 through the flexible circuit board 64.
  • the magnetic sensitive device 50 is arranged on the second circuit board 63 at the edge close to the side wall section 112a, that is, closer to the connection between the first magnetic member 41 and the second magnetic member 42, so that the magnetic sensitive device 50 is placed in a specific area with low magnetic field strength or zero magnetic field strength.
  • Fig. 15 is a schematic diagram of another installation example of the magnetic sensor device 50 provided in an embodiment of the present application.
  • Fig. 16 is an enlarged view of point C in Fig. 15 .
  • the magnetic sensitive device 50 can be arranged on the flexible circuit board 64, that is, as shown in one embodiment provided in the present application, a partition wall 113 is provided on the bottom wall 111 to divide the bottom wall 111 into a battery placement area 111a and a circuit board placement area 111b, and a first circuit board 61 is provided in the circuit board placement area 111b, and a battery 62 and a second circuit board 63 are provided in the battery placement area 111a, and the second circuit board 63 is electrically connected to the first circuit board 61 through the flexible circuit board 64; the flexible circuit board 64 is located at the edge of the bottom wall 111 close to the side wall section 112a, and the magnetic sensitive device 50 is provided on the flexible circuit board 64.
  • the first circuit board 61 may be the main board of the terminal device
  • the second circuit board 63 may be the charging protection board of the battery 62
  • the second circuit board 63 is electrically connected to the first circuit board 61 through the flexible circuit board 64
  • the magnetic sensitive device 50 is welded on the flexible circuit board 64.
  • the flexible circuit board 64 is located at the edge of the bottom wall 111 close to the side wall section 112a, that is, the magnetic sensitive device 50 located on the flexible circuit board 64 can be closer to the connection line between the first magnetic member 41 and the second magnetic member 42, so that the magnetic sensitive device 50 is placed in a specific area with low magnetic field strength or zero magnetic field strength.
  • the magnetic sensor 50 Since the magnetic sensor 50 itself has a certain weight, if it is welded in the middle of the flexible circuit board 64 in a suspended state, when the terminal device vibrates during use, the magnetic sensor 50 will swing up and down due to inertia, which is not conducive to the stability of the connection at the welding point. More importantly, when the magnetic sensor 50 is a compass, the position movement of the magnetic sensor 50 will lead to inaccurate position measurement. Therefore, the magnetic sensor 50 should be relatively fixed to the first circuit board 61 or the second circuit board 63 as much as possible. The specific embodiment is described below.
  • the two ends of the flexible circuit board 64 are electrically connected to the first circuit board 61 and the second circuit board 63 respectively, and the magnetic sensitive device 50 is located at the end of the flexible circuit board 64 closer to the second circuit board 63 .
  • the magnetic sensitive device 50 is located at an end of the flexible circuit board 64 that is closer to the first circuit board 61 .
  • the relative position of the magnetic sensitive device 50 and the first circuit board 61 or the second circuit board 63 can be fixed, which is beneficial to the working accuracy of the sensitive device. In addition, it is also beneficial to the connection stability of the welding point and increases the shock resistance of the magnetic sensitive device 50.
  • the first magnetic attraction module 40 can be fixed in the receiving groove 114 opened on the first body 10, that is, in an embodiment provided in the present application, as shown in Figure 10, a receiving groove 114 is provided on the surface of the side of the bottom wall 111 away from the magnetic sensitive device 50, and the receiving groove 114 is located at the edge of the side of the bottom wall 111 away from the rotating shaft assembly 30, and the receiving groove 114 extends along the groove depth direction to the interior of the first side wall 112, and the first magnetic attraction module 40 is arranged in the receiving groove 114.
  • the first magnetic attraction module 40 is arranged in a receiving groove 114 on the side surface of the bottom wall 111 facing away from the magnetic sensitive device 50, so that the receiving groove 114 can form a magnetic shielding effect on the first magnetic attraction module 40, which can further prevent the first magnetic attraction module 40 from interfering with the magnetic sensitive device 50.
  • the first magnetic attraction module 40 and the groove wall of the receiving groove 114 can be bonded with adhesive, snap-fitted, bolted, etc., or the first magnetic attraction module 40 can be directly fixed by supporting the groove wall of the receiving groove 114.
  • the first magnetic attraction module 40 may be packaged in the receiving groove 114 by plastic casting.
  • first magnetic module 40 and the receiving slot 114 can be fixedly connected in various ways and are not limited to the above-mentioned methods.
  • the receiving groove 114 may be a long strip-shaped groove, and all magnetic components are fixed in one groove; or, the receiving groove 114 is composed of a plurality of unit grooves, and each magnetic component is correspondingly fixed in one unit groove.
  • connection method or connection structure between the second magnetic module 70 and the second body 20 is the same as the connection method or connection structure between the first magnetic module 40 and the first body 10, and will not be repeated here.
  • FIG18 is a schematic diagram of the terminal device in FIG17 when it is in a folded state.
  • the second body 20 includes a first device 65 having a magnetic component, the edge of the side of the second body 20 away from the hinge assembly 30 is a second side wall 22, and the edge of the side close to the hinge assembly 30 is a third side wall 23; the distance from the first device 65 to the second side wall 22 is greater than or equal to the distance from the first device 65 to the third side wall 23.
  • the distance L from the first device 65 to the second side wall 22 is greater than or equal to the distance d from the first device 65 to the third side wall 23, so that the first device 65 with a magnetic component is closer to the hinge assembly 30, so that when the terminal device is in a folded state, as shown in FIG. 18, the first device 65 can be kept away from the first magnetic suction module 40 and the magnetic sensitive device 50, thereby preventing the magnetic field generated by the first device 65 from interfering with the magnetic sensitive device 50, thereby ensuring that the terminal device In the folded state, the magnetic sensor 50 can also maintain stability and working accuracy.
  • the above-mentioned avoidance of the magnetic field generated by the first device 65 from interfering with the magnetic sensitive device 50 is mainly achieved through two ways.
  • One is that the magnetic field generated by the first device 65 avoids directly interfering with the magnetic sensitive device 50, and the other is that the magnetic field generated by the first device 65 avoids interfering with the first magnetic suction module 40, thereby preventing the environmental magnetic field conditions of low magnetic field intensity or zero magnetic field intensity that have been constructed by the first magnetic suction module 40 from being destroyed, thereby avoiding the first device 65 from indirectly interfering with the magnetic sensitive device 50.
  • FIG. 19 is a schematic diagram of magnetic field simulation of the terminal device in FIG. 18 .
  • the magnetic field strength in region F is 0, and the magnetic sensitive device 50 disposed in region F will not be disturbed by the first magnetic attraction module 40 and the magnetic components of the first device 65 .
  • the first device 65 includes a speaker, a vibration motor, and a microphone.
  • Both the speaker and the vibration motor have magnetic components inside.
  • the magnetic component of the speaker is a magnet that provides magnetic field force for the energized coil
  • the magnetic component of the vibration motor is a stator that generates a rotating magnetic field.
  • the microphone also has a magnetic component, which is composed of a magnet and a film coil.
  • the working principle is that the sound drives the film coil to vibrate through the air, and under the action of the magnet, magnetic lines of force are cut to generate a weak current, thereby realizing the conversion of sound into electricity.
  • the speaker may be an upper speaker or a lower speaker.
  • the first device 65 may also be other devices with magnetic components in the terminal device, such as a lifting motor that provides power for the lifting lens, which also has a magnetic component.
  • the first magnetic attraction module 40 also includes a fifth magnetic component 45, which is arranged on the side of the first body 10 away from the hinge assembly 30, and the fifth magnetic component 45 is located at a corner on the first body 10 away from the first magnetic component 41.
  • the fifth magnetic component 45 added to the side of the first body 10 can make the entire terminal device tightly attracted when in the folded state, and the magnetic attraction force generated by multiple magnetic components can be evenly distributed on the side of the first body 10 when attracted, so that the user can feel better when opening and closing the terminal device, avoiding the situation where the hand feeling is strong in some parts and weak in other parts, thereby improving the user experience.
  • the distance between the first magnetic component 41 and the second magnetic component 42 is greater than the distance between the fourth magnetic component 44 and the fifth magnetic component 45 .
  • the distance between the first magnetic component 41 and the second magnetic component 42 is designed to be slightly larger as much as possible, so that the magnetic field strength in the area between the first magnetic component 41 and the second magnetic component 42 is relatively low, which is conducive to debugging a specific area with low magnetic field strength or zero magnetic field strength, thereby facilitating the layout of the magnetic sensitive device 50 and facilitating structural optimization.
  • a fifth magnetic component 45 may be added when the first magnetic attraction module 40 only includes the first magnetic component 41 and the second magnetic component 42 , for example, as shown in FIGS. 2 to 5 .
  • the distance between the first magnetic component 41 and the second magnetic component 42 is greater than the distance between the second magnetic component 42 and the fifth magnetic component 45.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un dispositif terminal, comprenant un premier corps (10) et un second corps (20), un premier module d'attraction magnétique (40) et un second module d'attraction magnétique (70) étant respectivement disposés au niveau de bords latéraux du premier corps (10) et du second corps (20) à l'opposé d'un ensemble arbre de rotation (30), et lorsque le premier corps (10) et le second corps (20) se trouvent dans un état plié, le premier module d'attraction magnétique (40) et le second module d'attraction magnétique (70) s'attirent l'un l'autre ; le premier module d'attraction magnétique (40) comprend un premier élément magnétique (41) et un second élément magnétique (42), qui sont agencés à un certain intervalle le long du bord latéral ; un dispositif sensible magnétique (50) est disposé dans une région du premier corps (10) entre le premier élément magnétique (41) et le second élément magnétique (42) ; et au niveau du dispositif sensible magnétique (50), la direction du champ magnétique généré par le premier élément magnétique (41) est opposée à la direction du champ magnétique généré par le second élément magnétique (42). Le dispositif terminal peut garantir un fonctionnement normal du dispositif sensible magnétique (50), ce qui permet aux fonctions correspondantes du dispositif terminal d'être efficaces et de garantir la précision de fonctionnement.
PCT/CN2023/114769 2022-11-18 2023-08-24 Dispositif terminal WO2024103889A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202223096869.X 2022-11-18
CN202223096869.XU CN219740432U (zh) 2022-11-18 2022-11-18 终端设备

Publications (1)

Publication Number Publication Date
WO2024103889A1 true WO2024103889A1 (fr) 2024-05-23

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PCT/CN2023/114769 WO2024103889A1 (fr) 2022-11-18 2023-08-24 Dispositif terminal

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CN (1) CN219740432U (fr)
WO (1) WO2024103889A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006054726A (ja) * 2004-08-12 2006-02-23 Asahi Kasei Electronics Co Ltd 携帯機器
KR20180097225A (ko) * 2017-02-23 2018-08-31 엘지전자 주식회사 폴더블 이동 단말기
CN111131557A (zh) * 2018-10-31 2020-05-08 北京小米移动软件有限公司 滑盖式终端及霍尔传感器的阈值设置方法
CN211744095U (zh) * 2020-04-24 2020-10-23 歌尔科技有限公司 一种磁吸式对准充电装置及tws耳机的充电组件
CN212785434U (zh) * 2020-06-18 2021-03-23 华为技术有限公司 一种电子设备
CN113271368A (zh) * 2020-02-17 2021-08-17 华为技术有限公司 可分离的移动终端
CN214177350U (zh) * 2021-01-05 2021-09-10 闻泰通讯股份有限公司 折叠式终端

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006054726A (ja) * 2004-08-12 2006-02-23 Asahi Kasei Electronics Co Ltd 携帯機器
KR20180097225A (ko) * 2017-02-23 2018-08-31 엘지전자 주식회사 폴더블 이동 단말기
CN111131557A (zh) * 2018-10-31 2020-05-08 北京小米移动软件有限公司 滑盖式终端及霍尔传感器的阈值设置方法
CN113271368A (zh) * 2020-02-17 2021-08-17 华为技术有限公司 可分离的移动终端
CN211744095U (zh) * 2020-04-24 2020-10-23 歌尔科技有限公司 一种磁吸式对准充电装置及tws耳机的充电组件
CN212785434U (zh) * 2020-06-18 2021-03-23 华为技术有限公司 一种电子设备
CN214177350U (zh) * 2021-01-05 2021-09-10 闻泰通讯股份有限公司 折叠式终端

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