WO2022017230A1 - Casque, dispositif de charge sans fil et système de charge sans fil de casque - Google Patents

Casque, dispositif de charge sans fil et système de charge sans fil de casque Download PDF

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Publication number
WO2022017230A1
WO2022017230A1 PCT/CN2021/106196 CN2021106196W WO2022017230A1 WO 2022017230 A1 WO2022017230 A1 WO 2022017230A1 CN 2021106196 W CN2021106196 W CN 2021106196W WO 2022017230 A1 WO2022017230 A1 WO 2022017230A1
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WO
WIPO (PCT)
Prior art keywords
charging
touch
headset
receiving coil
ear
Prior art date
Application number
PCT/CN2021/106196
Other languages
English (en)
Chinese (zh)
Inventor
任二贝
裴昌盛
张文铿
胡世艳
Original Assignee
华为技术有限公司
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Publication of WO2022017230A1 publication Critical patent/WO2022017230A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present application relates to the technical field of earphones, and in particular, to a headphone, a wireless charging device and an earphone charging system.
  • Headphones have high-quality sound quality. At the same time, because they do not need to be in the ear when wearing, they will hardly cause damage to the user's ear canal and eardrum, so they are favored by many users.
  • the charging method of the headphone is that a charging jack is provided on the headphone, and the plug of the charger is inserted into the jack to charge the headphone. This charging method requires plugging and unplugging, and the operation is cumbersome.
  • Embodiments of the present application provide a headphone, a wireless charging device, and a headphone charging system, which can realize wireless charging of the headphone.
  • an embodiment of the present application provides a headphone, including two ear bags and a head beam connecting the two ear bags;
  • the ear bag includes a shell, a touch panel, a receiving coil and a circuit board, and the touch panel It is connected to the outside of the casing, the receiving coil is located on the side of the touchpad facing the inside of the casing, the touchpad and the receiving coil are respectively electrically connected to the circuit board, and the receiving coil is configured to be connected to a wireless charging device close to the touchpad.
  • the touch panel includes a first substrate and a plurality of touch units, a conductive layer covers the first substrate to form a touch unit, the plurality of touch units are arranged at intervals and connected by connecting wires, and each touch unit is opened There is a hollow gap, and the area of the hollow gap in each touch unit occupies 20%-80% of the area of one touch unit.
  • An embodiment of the present application provides a headphone, a receiving coil is arranged on the inner side of a touch panel of an ear bag, and a touch unit on the touch panel is formed of a conductive layer with a hollow gap, and the touch unit can play a touch
  • the hollow gap can allow the magnetic field lines to pass through, which can reduce the shielding effect of the metal layer in the touchpad on the magnetic field lines, so that induction charging can be realized between the receiving coil and the wireless charging device placed outside the touchpad.
  • the receiving coil is used to realize wireless inductive charging without plugging and unplugging, which can simplify the charging operation and make the space more simple and beautiful.
  • it has the advantage of high stability of the charging connection.
  • the receiving coil includes a second substrate and coil wires
  • the second substrate is a flexible circuit board
  • the coil wires are conductive wires printed on the second substrate.
  • the thickness of the receiving coil can be reduced, so that the receiving coil occupies less space in the ear bag, thereby helping to reduce the overall volume of the ear bag; on the other hand, the flexible circuit board can The bendability of the receiving coil is good, and the receiving coil can be connected with the circuit board in the casing by bending the second substrate, which is beneficial to the arrangement of the wiring of the receiving coil.
  • the first substrate and the second substrate are the same flexible circuit board, and the touch control unit and the coil wiring are respectively arranged on two surfaces of a flexible circuit board.
  • the second substrate and the first substrate can use the same substrate, that is, a double-sided flexible circuit board, which can further improve the utilization rate of the inner space of the ear bag, and avoid increasing the thickness and volume of the ear bag due to the addition of receiving coils.
  • the touch unit is set in a circle or a regular polygon
  • the hollow gap is set in a strip shape
  • a plurality of strip hollow gaps are evenly arranged
  • the width of the strip hollow gap is smaller than that of the touch control. 1/10 of the side length or diameter of the element.
  • the touch unit can reduce the shielding effect of the conductive layer in the touch panel on the magnetic field lines on the basis of satisfying the touch function and touch sensitivity.
  • the hollowed-out gap in one touch unit is formed in a grid shape, a zigzag shape or a zigzag shape.
  • an embodiment of the present application provides a wireless charging device for charging the above-mentioned headphone, and the wireless charging device is configured as a charging bracket; the charging bracket includes a bracket base and two charging arms, and the two charging brackets The arms are respectively connected to both ends of the bracket base, the charging arm is provided with a transmitting coil, and the charging arm is configured to be connected to the side of the ear bag with the touchpad, so that the transmitting coil and the receiving coil in the ear bag can be sensed Charge.
  • the embodiment of the present application proposes a wireless charging device, which is provided in the form of a charging bracket with a base and two charging arms, a transmitting coil is arranged in the charging arm, and the charging arm is connected to the side of the ear bag with the touchpad , can cooperate with the receiving coil in the headset to realize wireless charging, no need to plug and unplug, which can simplify the charging operation and make the space more simple and beautiful.
  • the charging support further includes a hinge mechanism and a locking mechanism, the two charging support arms are respectively connected to both ends of the support base through the hinge mechanism, and the two charging support arms can be rotated to fit on the The folded state on the two surfaces of the stand base, and the open state set at an angle with the stand base to connect the ear bag.
  • the hinge mechanism is provided so that the angle of the charging arm relative to the stand base can be adjusted to suit different types of headphones, and the charging arm can be folded, which can reduce the volume of the charging stand, facilitate storage, portability and use.
  • the charging stand further includes a locking mechanism, the charging support arm is connected to the stand base through the locking mechanism and the hinge mechanism, and the locking mechanism is used to lock the hinge mechanism to fix the connection between the charging support arm and the stand base .
  • a locking mechanism can fix the angle between the charging arm and the stand base, which is conducive to the reliable connection of the charging arm and the ear bag, and avoids the change of the angle of the charging arm relative to the stand base caused by the gravity of the headset. Affects the reliability of the charging connection.
  • a limit structure is further provided on the charging bracket, the limit structure includes a magnet, a buckle or a limit slot, and the limit structure is used to connect the charging support arm and the ear bag and make the charging support arm fit Touchpad settings.
  • the setting of the limit structure is conducive to the rapid alignment of the charging arm and the touchpad, and can ensure that the ear bag and the charging arm are in a close fit during the charging process, so as to ensure the stability of the wireless charging connection.
  • an embodiment of the present application provides a wireless charging device for charging the above-mentioned headphone, and the wireless charging device is configured as a charging box;
  • the charging box includes a box body and an accommodating cavity opened inside the box body, The accommodating cavity is used for accommodating the ear bag of the headphone, a transmitting coil is arranged in the box, and the transmitting coil is configured to face the touchpad of the ear bag, so that the transmitting coil and the receiving coil in the ear bag can be inductively charged .
  • an accommodating cavity for accommodating the ear bag is arranged in the box, and a transmitting coil is also arranged in the box, which can cooperate with the receiving coil in the ear bag to realize wireless charging, and the touch panel of the ear bag is used for wireless charging.
  • charging the headset on one side has the advantages of high stability of the charging connection, and the box body plays the dual role of charging and storage.
  • an embodiment of the present application provides an earphone charging system, including the above-mentioned headphone and the above-mentioned wireless charging device.
  • the earphone charging system includes a headphone and a wireless charging device, a receiving coil is arranged on the inner side of the touchpad of the earbag of the headphone, and the touch unit on the touchpad is formed by a hollow gap.
  • the hollow gap can allow the magnetic field lines to pass through, which can reduce the shielding effect of the metal layer in the touch panel on the magnetic field lines, so that the receiver disposed in the ear bag can
  • Inductive charging can be realized between the coil and the transmitting coil in the wireless charging device connected to the outside of the touchpad, and wireless inductive charging can be realized by using the receiving coil, which does not need to be plugged and unplugged, which simplifies the charging operation and makes the space more simple and beautiful.
  • the scheme of charging the headset through the receiving coil in the head beam it has the advantage of high stability of the charging connection.
  • FIG. 1 is a schematic structural diagram of a headphone provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of an ear bag of a headphone provided by an embodiment of the application;
  • FIG. 3 is a schematic diagram of a charging structure of a headset according to an embodiment of the present application.
  • FIG. 4 is a partially disassembled view of an ear bag of a headphone provided by an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a receiving coil provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a touch panel provided by an embodiment of the present application.
  • FIG. 7a is a schematic structural diagram of an internal wiring of a touch panel according to an embodiment of the present application.
  • 7b is a schematic structural diagram of an internal wiring of a touch panel in the related art.
  • 8a, 8b, and 8c are schematic structural diagrams of a touch control unit provided by an embodiment of the present application.
  • FIG. 9 is a structural block diagram of an internal part of a headphone provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a headset and a charging stand provided by an embodiment of the application.
  • FIG. 11 is a schematic structural diagram of a charging stand provided in an embodiment of the application in a stored state
  • FIG. 12 is a schematic structural diagram of a headset and a charging box provided by an embodiment of the application.
  • FIG. 13 is a schematic structural diagram of another angle of a headphone and a charging box provided by an embodiment of the application.
  • FIG. 14 is a schematic structural diagram of an earphone charging system provided by an embodiment of the application.
  • FIG. 15 is a schematic diagram of a connection relationship of an internal structure of an earphone charging system according to an embodiment of the present application.
  • 200-wireless charging device 201-transmitting coil; 202-control module; 203-power interface; 204-second battery; 21-charging stand; 211-charging arm; 212-stand base; 213-second magnet; 22 -charging box; 221-box body; 222-accommodating cavity;
  • FIG. 1 is a schematic structural diagram of a headphone provided by an embodiment of the present application.
  • the headphone 100 includes two ear bags 11 and a head beam 12 connecting the two ear bags 11 .
  • the head beam 12 is used to be worn on the user's head, and the two ear bags 11 are used to be worn on the user's head respectively. on the user's left and right ears.
  • the head beam 12 is in the shape of a circular arc as a whole, and the length of the head beam 12 can be adjusted to fit the user's head when the user wears it.
  • the material of the head beam 12 is not specifically limited in this embodiment, and plastics such as polycarbonate can be selected to achieve higher mechanical strength and elastic strength.
  • the two ear bags 11 are respectively movably connected to both ends of the head beam 12 through structures such as rotating shafts, and the two ear bags 11 are electrically connected by cables built in the head beam 12 .
  • Components such as a speaker, a microphone, a circuit board, and a battery may be arranged in the ear bag 11 , and the microphone and the circuit board may be arranged in one of the ear bags 11 .
  • each of the two ear packs 11 is provided with a speaker, which is symmetrically arranged.
  • a battery can be provided in each of the two ear bags 11 to increase the battery capacity of the headphone 100 and increase the use time after one charge.
  • FIG. 2 is a schematic structural diagram of an ear bag of a headphone provided by an embodiment of the present application.
  • the ear bag 11 includes a casing 111 and a touchpad 112 connected to the casing 111 on the side away from the user's ear.
  • the touchpad 112 may be in a shape matching the shape of the casing 111 . For example, it can be circular, oval, rectangular, and the like.
  • the touchpad 112 abandons the input method of keyboard buttons, which not only provides a more convenient input experience, but also helps to improve the aesthetic appearance of the headset.
  • a display panel may also be provided on the ear bag 11, the display panel may be arranged on the side of the shell 111 of the ear bag 11 away from the user's ear, and the display panel may display the currently playing song , an incoming call, or information such as the power level of the headset 100 .
  • the touchpad 112 By combining the touchpad 112 with the display panel, the functions of touch and display can be realized at the same time.
  • the headphone 100 can be charged through the connection between the charging jack and the charging cable. In this charging mode, plugging and unplugging are required, the operation is complicated, and the appearance is not simple and beautiful. On the other hand, with the wireless charging headset 100, the connection of the charging cable can be omitted, so that the charging operation of the headset 100 is more convenient and safe. However, the headphone 100 has a complex structure, numerous components, and limited volume, so it is very difficult to arrange an induction coil for wireless charging in the headphone 100 .
  • a wireless charging induction coil is arranged in the head beam 12 of the headphone 100.
  • the space in the head beam 12 is small, and the volume of the induction coil arranged is limited, which will lead to low charging efficiency;
  • the head beam 12 needs to expand and deform when the user wears the headset, the induction coil disposed inside the head beam 12 is deformed and stressed, and the wireless charging function will be affected after long-term use, and there is a reliability risk .
  • an embodiment of the present application proposes a headphone, wherein a receiving coil is arranged on the inner side of a touch panel of the ear bag, and the touch unit on the touch panel is formed of a conductive layer with a hollow gap, and the touch unit can be At the same time, the hollow gap can allow the magnetic field lines to pass through, which can reduce the shielding effect of the metal layer in the touchpad on the magnetic field lines, so that the receiving coil and the wireless charging device placed outside the touchpad can be connected. Enables inductive charging.
  • FIG. 3 is a schematic diagram of a charging structure of a headphone provided by an embodiment of the present application.
  • the ear bag 11 includes a casing 111 and a touchpad 112 connected to the side of the casing 111 away from the user's ear.
  • the ear bag 11 is also provided with a receiving coil 113 , and the receiving coil 113 is located on the touchpad On the side of 112 close to the inside of the housing 111, the receiving coil 113 is connected to the circuit board (not shown in the figure).
  • the wireless charging device 200 is close to the touchpad 112 of the ear pack 11 , the transmitting coil 201 in the wireless charging device 200 and the receiving coil 113 inside the touchpad 112 can realize wireless charging.
  • the wireless charging adopts the principle of electromagnetic induction.
  • the power supply provides alternating current of a certain frequency to the transmitting coil 201 in the wireless charging device 200.
  • the receiving coil 113 induces an electromotive force.
  • the electromotive force will drive the electrons to flow, forming a A current is induced, thereby realizing wireless transmission of electrical energy from the transmitting coil 201 to the receiving coil 113 .
  • One of the two ear bags 11 is provided with a receiving coil 113 , or both ear bags 11 are provided with a receiving coil 113 to wirelessly charge the two ear bags 11 at the same time, which can improve charging efficiency.
  • the receiving coil 113 may be closely disposed on the side of the touch panel 112 facing the inside of the casing 111 .
  • FIG. 4 is a partially disassembled view of an ear bag of a headphone provided by an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a receiving coil provided by an embodiment of the present application.
  • the receiving coil 113 may be formed by a wire wound on a magnetic core.
  • the receiving coil 113 includes a second substrate 1131 and coil traces 1132 , the second substrate 1131 may be a flexible printed circuit (Flexible Printed Circuit, FPC), and metal is printed on the second substrate 1131 A coil wire 1132 is formed on the surface, and the coil wire 1132 may be a circular, square or oval spiral as a whole.
  • FPC Flexible Printed Circuit
  • the flexible circuit board is a highly reliable flexible circuit board made of polyimide or polyamide film as the base material.
  • the flexible circuit board can reduce The thickness of the receiving coil 113 makes the space occupied by the receiving coil 113 of the ear bag 11 smaller, thereby helping to reduce the overall volume of the ear bag 11; on the other hand, the flexibility of the flexible circuit board is good, the receiving coil 113 can be
  • the second substrate 1131 is bent to be connected with the circuit board in the housing 111 , which is beneficial to the arrangement of the wires of the receiving coil 113 .
  • FIG. 6 is a schematic structural diagram of a touch panel according to an embodiment of the present application.
  • the touch panel 112 includes a first substrate 1120 and a touch unit 1121 .
  • the first substrate 1120 may be a flexible circuit board. After the first substrate 1120 is bent, it is connected to the circuit board 114 in the housing 111 and conducts electricity.
  • the layer covers the surface of the first substrate 1120 to form the touch unit 1121 .
  • the shape of the touch unit 1121 is not specifically limited in this embodiment, and the touch unit 1121 may be a rectangle, a circle, a diamond or other shapes.
  • the second substrate 1131 and the first substrate 1120 may use the same substrate, that is, a double-sided flexible circuit board, and the metal traces 1132 and the touch unit 1121 are fabricated on two sides of the flexible circuit board, respectively.
  • the utilization rate of the space in the ear bag 11 can be further improved, and the increase in the thickness and volume of the ear bag 11 due to the additional arrangement of the receiving coil 113 can be avoided.
  • the touch principle of the touch panel 112 may be a self-capacitance type or a mutual-capacitance type.
  • a conductive material such as copper or indium tin oxide (ITO) is used on the surface of the first substrate 1120 to make a horizontal electrode array and a vertical electrode array. is the self-capacitance.
  • ITO indium tin oxide
  • the touchpad 112 detects the horizontal electrode array and the vertical electrode array in turn, determines the horizontal and vertical coordinates respectively according to the change of capacitance before and after the touch, and then combines them into a plane touch coordinate to confirm the touch position. touch control.
  • FIG. 7a is a schematic structural diagram of an internal wiring of a touch panel according to an embodiment of the present application.
  • a plurality of touch units 1121 arranged at intervals are arranged horizontally to form a horizontal electrode array
  • a plurality of touch units 1121 arranged at intervals are arranged vertically to form a vertical electrode array.
  • the horizontal electrode array and the vertical electrode array are respectively It is connected with the touch chip 1122 through the connecting wire 1123 .
  • the touch chip 1122 is used to detect the horizontal electrode array and the vertical electrode array, and determine the horizontal coordinate and the vertical coordinate respectively according to the change of the capacitance before and after the touch, and combine them into a plane touch coordinate.
  • the touch unit 1121 is formed by a conductive layer 1121a having a hollow gap 1121b.
  • the conductive layer 1121a is formed by covering the first substrate 1120 with a conductive material, and the conductive material may be metal or other conductive materials, such as copper, silver, or indium tin oxide (ITO).
  • FIG. 7b is a schematic structural diagram of the internal wiring of the touch panel in the related art.
  • one touch unit 1121 is formed of a solid conductive layer without a hollow gap.
  • the touch unit 1121 is provided with a hollow gap 1121b, the conductive layers 1121a are connected to each other, and the hollow gap 1121b is used for the magnetic field lines to pass through, thereby reducing the effect of the conductive layers in the touch panel 112 on the magnetic field lines.
  • the influence is shielded, and the influence of the touch panel 112 on the inductive charging of the receiving coil 113 and the transmitting coil 201 is reduced.
  • 8a, 8b, and 8c are schematic structural diagrams of a touch control unit provided by an embodiment of the present application.
  • the shape formed by the hollow gap 1121b in one touch unit 1121 is not specifically limited in this embodiment, for example, it can be formed into a grid shape, a square shape, a zigzag shape, and the like.
  • the shapes of the hollow gaps 1121b in the plurality of touch units 1121 may be the same or different.
  • the area of the hollow gap 1121b occupies 20%-80% of the area of one touch unit 1121, for example, the area of the hollow gap 1121b may occupy one touch unit 20%, 40%, 60% or 80% of the area of 1121.
  • the size and density of the hollow gap 1121b are also related to the influence of the touchpad 112 on wireless charging.
  • the hollowed-out gaps 1121b are arranged in a strip shape, and a plurality of elongated hollowed-out gaps 1121b are evenly arranged.
  • the width of the elongated hollow gap 1121b is less than 1/10 of the side length or diameter of the touch unit 1121, so that the hollow gap 1121b is arranged on the touch unit 1121. It is more compact, so as to reduce the influence of the conductive layer on the touch panel 112 on wireless charging.
  • the side of the receiving coil 113 away from the touch panel 112 may also be provided with a magnetic isolation sheet (not shown in the figure), when the receiving coil 113 is used to charge the headset 100 ,
  • the magnetic isolation sheet can reduce the eddy current loss and heat generation caused by the surrounding metal devices, can prevent energy waste, and improve the charging efficiency.
  • the material of the magnetic isolation sheet can include: one or more of ferrite, amorphous iron-carbon mixture and nanocrystalline iron-carbon mixture, the magnetic isolation sheet is disposed opposite the receiving coil 113, or the area of the magnetic isolation sheet is larger than The area of the coil 113 can be used for better isolation of the magnetic isolation sheet.
  • a receiving coil is disposed below the touch panel, and the touch unit on the touch panel is formed of a conductive layer with a hollow gap, so as to ensure the touch function of the touch panel.
  • the touch unit with hollow gap can allow magnetic field lines to pass through, which can reduce the influence of the metal layer in the touchpad on electromagnetic induction, so that the receiving coil in the ear bag and the transmitting coil in the wireless charging device can realize wireless Charge.
  • the receiving coil is used to realize wireless inductive charging without plugging and unplugging, which can simplify the charging operation and make the space more simple and beautiful. Moreover, compared with the scheme of charging through the receiving coil in the head beam, it has the advantage of high stability of the charging connection.
  • FIG. 9 is a structural block diagram of an internal part of a headphone provided by an embodiment of the present application.
  • the headset 100 may further include a processor 101 , a memory 102 , a power supply component 103 , a multimedia component 104 , an audio component 105 , a sensor component 106 , a communication component 107 and other components.
  • a processor 101 may further include a processor 101 , a memory 102 , a power supply component 103 , a multimedia component 104 , an audio component 105 , a sensor component 106 , a communication component 107 and other components.
  • the headphone 100 may include more or less components than those shown, or a combination of certain components may be included. some parts, or split some parts, or have a different arrangement of parts.
  • the processor 101 generally controls the overall operations of the headset 100, such as operations such as phone calls, data communications, and audio playback.
  • the processor 101 may include one or more modules to facilitate interaction between the processor 101 and other components.
  • the memory 102 is configured to store various types of data to support the operation of the headset 100, and the processor 101 uses various interfaces and lines to connect various parts of the entire headset 100, and is stored in the memory 102 by running or executing software programs and/or modules, and call data stored in the memory 102 to perform various functions of the headset 100 and process data, so as to monitor the headset 100 as a whole.
  • memory 102 may be implemented by any type of volatile or nonvolatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Except Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), etc.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Except Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Power supply assembly 103 provides power to various components in headset 100, and power supply assembly 103 may include a power management system, one or more power supplies, and other power sources associated with generating, managing, and distributing power to headset 100. assembly, including receiver coil 113 .
  • a battery is provided in the ear bag of the headphone 100, and the battery can be a lithium battery, which is used to provide power for each functional module in the headphone 100, and the headphone 100 is in a working state of normal use.
  • the battery in the power supply assembly 103 provides power, and when the headphone 100 is in a non-working state, the headphone 100 can be brought close to the wireless charging device 200, and the wireless charging device 200 can be charged through the receiving coil 113 in the headphone 100.
  • the induction of the transmit coil 201 within the device 200 enables the power management module within the power supply assembly 103 to charge the battery.
  • the multimedia component 104 may include structures such as the touchpad 112 and the display panel as described above.
  • the touchpad 112 is arranged on the outside of the ear bag 11, and the user can answer/hang up the call by touching or sliding on the touchpad 112. , adjust volume, switch songs, etc.
  • the audio component 105 is configured to output and/or input audio signals, the audio component 105 may include a speaker and a microphone, the microphone is configured to receive external audio signals, the received audio signals may be further stored in the memory 102 or transmitted via the communication component 107 .
  • Sensor assembly 106 includes one or more sensors for providing various aspects of status assessment for headset 100, for example, sensor assembly 106 may include proximity sensors, light sensors, acceleration sensors, gyroscope sensors, magnetic sensors, pressure sensors , temperature sensor, etc.
  • Communication component 107 is configured to facilitate wired or wireless communication between headset 100 and other devices. Communication component 107 can access wireless networks based on communication standards, such as WIFI, 4G, 5G, or a combination thereof.
  • the embodiment of the present application also provides a wireless charging device 200, and there are various specific implementations of the wireless charging device 200, including but not limited to a mobile power supply, a charging base, a wireless earphone shell, a car charger, a speaker that can be reversely charged, Devices such as routers that can be reverse-charged.
  • FIG. 10 is a schematic structural diagram of a headphone and a charging stand provided by an embodiment of the application
  • FIG. 11 is a structural schematic diagram of the charging stand provided by an embodiment of the application in a stored state.
  • the charging stand 21 includes a charging arm 211 and a stand base 212.
  • the two charging arms 211 are respectively connected to two ends of the stand base 212.
  • the charging arm 211 is provided with a transmitting coil 201.
  • the two charging arms 211 are respectively connected with the two ear bags 11 and connected to the side of the ear bag 11 with the touch pad 112 , so that the transmitting coil 201 in the charging supporting arm 211 and the receiving coil in the ear bag 11 are connected.
  • the 113 has a closer distance for inductive charging.
  • the two charging arms 211 can be connected to the bracket base 212 through a hinge mechanism. Referring to FIG. 10 , when the charging bracket 21 is charging the headset 100 , the charging arms 211 can be rotated to form an obtuse angle with the bracket base 212 . That is, the charging arms 211 are in an open state, the bottom of the ear pack 11 can be placed on the stand base 212 , and the charging arms 211 are respectively connected to the sides of the two ear packs 11 with the touchpad 112 .
  • the hinge mechanism is provided so that the angle of the charging arm 211 relative to the stand base 212 can be adjusted, so as to be suitable for different types of headphones 100 .
  • the charging stand 21 also includes a locking mechanism (not shown in the figure).
  • the hinge mechanism is locked by the locking mechanism to keep the angle fixed, thereby It is beneficial to the reliable connection between the charging arm 211 and the ear bag 11, and avoids the change of the angle of the charging arm 211 relative to the stand base 212 caused by the gravity of the headset 100, which affects the reliability of the charging connection.
  • the existence of the hinge mechanism enables the two charging support arms 211 to rotate relative to the support base 212 to fit on the surface of the support base 212 respectively, that is, the folded state, thereby The volume of the charging stand 21 can be reduced to facilitate storage, portability and use.
  • the stand base 212 is provided with a power interface 203, and the power interface 203 may be a part of a micro-USB connector, a Lightening connector or other socket connectors to connect with an external power source.
  • a battery may also be provided in the stand base 212 or the charging arm 211 to store electricity.
  • the charging stand 21 can be set to have two charging modes, namely, the single-ear bag 11 is independently charged and the dual-ear bag 11 is simultaneously charged, so as to meet the charging requirements of different headphones 100 .
  • the charging arm 211 is also provided with a limiting structure.
  • the limiting structure can be, for example, a magnetic attraction structure.
  • the second magnet 213 arranged in the charging arm 211 and the first magnet 115 arranged in the ear bag 11 are mutually connected. Attracting, it is convenient for the charging arm 211 to quickly align with the ear bag 11, and it can ensure that the ear bag 11 and the charging supporting arm 211 are in a tight fit state during the charging process, so as to ensure the stability of wireless charging.
  • the first magnet 115 can be arranged around the receiving coil 113 and close to the touch panel 112, the second magnet 213 can be arranged around the transmitting coil 201, and the positions of the first magnet 115 and the second magnet 213 are correspondingly arranged, In order to facilitate the quick alignment and fit of the charging support arm 211 and the touch panel 112 .
  • the charging arm 211 may also be provided with a limit slot, a limit buckle, a Velcro and other structures that cooperate with the ear bag 11 to limit the position, so as to ensure the ear bag 11 and the charging arm 211 It is in a tight fit during the charging process to ensure the stability of the wireless charging connection.
  • the bracket base 212 can also be provided with a limit pit, and when the charging bracket 21 is charging the headset 100, the bottom of the ear bag 11 can be placed in the limit pit, so that the headphone 100 is placed in the limit pit. more stable. It is not difficult to understand that, in addition to the charging function in the charging state, the charging stand 21 can also be used as a storage and placing table for the headphone 100 in the non-charging state.
  • the charging bracket provided by the embodiment of the present application is composed of a foldable charging arm and a bracket base.
  • the charging arm is used to connect to the outer side of the touchpad of the ear bag, and a transmitting coil is arranged in the charging arm, which can be connected with the ear bag.
  • the inner receiving coil cooperates to realize wireless charging, and the headset can be charged through the touchpad side of the ear bag.
  • the stand is foldable and easy to store.
  • the charging box 22 includes a box body 221 and an accommodating cavity 222 opened inside the box body 221.
  • the shape and size of the accommodating cavity 222 are matched with those of the headset 100 for accommodating the headphone Headphones 100 .
  • the box body 221 is provided with a transmitting coil 201 .
  • the transmitting coil 201 is disposed facing the touch panel 112 of the ear bag 11 , and the receiving coil 201 and the inner side of the touch panel 112 receive The cooperation of the coil 113 can realize wireless charging.
  • the box body 221 is provided with a power interface 203, and the power interface 203 may be a part of a micro-USB connector, a Lightening connector or other socket connectors to connect with an external power source.
  • a battery may also be provided in the box body 221 to store electricity.
  • the process of charging the headset 100 by the charging box 22 can be as follows: the charging box 22 is connected to the power supply through the power interface 203 , the headset 100 is put into the charging box 22 , and the power supply charges the charging box 22 and the charging box 22 . The process of charging the headset 100 is performed concurrently.
  • the headset 100 is put into the charging box 22 , and the charging box 22 charges the headset 100 . It is set that the capacity of the battery of the charging box 22 is greater than that of the battery in the headset 100 , then after the charging box 22 is fully charged, the headset 100 can be charged several times, so that the user can only carry the charging box in the travel scene 22. There is no need to carry the charger of the charging box 22, which is convenient for users to carry.
  • the transmitting coil 201 is arranged inside the inner side walls.
  • the touchpads 112 of the two ear bags 11 may both be disposed toward the bottom wall of the accommodating cavity 222 .
  • the transmitting coil 201 should be disposed inside the bottom wall of the accommodating cavity 222 .
  • the accommodating cavity 222 of the charging box 22 may be provided with structures such as magnets, limit slots, limit buckles, Velcro and other structures that cooperate with the ear bag 11 to limit the position, so as to ensure the ear bag 11
  • the touch screen 112 and the accommodating cavity 222 are provided with the inner wall surface of the transmitting coil 201, which are always in a tight fit state during the charging process to ensure the stability of the wireless charging connection.
  • an accommodating cavity for accommodating the ear bag is arranged in the box, and a transmitting coil is also arranged in the box, which can cooperate with the receiving coil in the ear bag to realize wireless charging, and the touch panel of the ear bag is used for wireless charging.
  • charging the headset on one side has the advantages of high stability of the charging connection, and the box body plays the dual role of charging and storage.
  • the embodiment of the present application further provides an earphone charging system, and the structure of the earphone charging system provided by the embodiment of the present application is specifically described below.
  • FIG. 14 is a schematic structural diagram of an earphone charging system provided by an embodiment of the application
  • FIG. 15 is a schematic diagram of a connection relationship of an internal structure of the earphone charging system provided by an embodiment of the application.
  • the earphone charging system 300 includes a headphone 100 and a wireless charging device 200 .
  • the headphone 100 is provided with a receiving coil 113
  • the wireless charging device 200 is provided with a transmitting coil 201 .
  • the wireless charging device 200 can charge the headset 100 .
  • the wireless charging device 200 is provided with a transmitting coil 201 , a control module 202 and a power interface 203 .
  • the power interface 203 is used to electrically connect the external power source 400 to supply power, and the power input through the power interface 203 is provided to the transmitting coil 201 under the control of the control module 202 .
  • the wireless charging device 200 may be provided with a second battery 204 , and the electrical energy input from the power interface 203 may be stored in the second battery 204 under the control of the control module 202 .
  • the electrical energy stored in the second battery 204 can be supplied to the transmitting coil 201 under the control of the control module 202 .
  • the headphone 100 is provided with a processor 101, a first battery 1031, a power management unit 1032, and a receiving coil 113.
  • the receiving coil 113 receives power from the transmitting coil 201 through electromagnetic induction, and the processor 101 and the power management unit It is stored in the first battery 1031 under the control of 1032.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un casque, un dispositif de charge sans fil et un système de charge sans fil de casque. Le casque comprend deux coussinets d'oreille et un serre-tête reliant les deux coussinets d'oreille ; chaque coussinets d'oreille comprend un boîtier, un panneau tactile, une bobine de réception, et une carte de circuit imprimé, le panneau tactile est relié au côté extérieur du boîtier, la bobine de réception est située sur le côté du panneau tactile faisant face à l'intérieur du boîtier, le panneau tactile et la bobine de réception sont électriquement connectés à la carte de circuit imprimé, séparément, et la bobine de réception est configurée pour mettre en œuvre une charge inductive avec le dispositif de charge sans fil à proximité du panneau tactile ; le panneau tactile comprend un premier substrat et une pluralité d'unités tactiles, une couche conductrice recouvre le premier substrat pour former les unités tactiles, la pluralité d'unités tactiles sont espacées et reliées au moyen de lignes de liaison, un espace évidé est formé dans chaque unité tactile, et la zone de l'espace évidé dans une unité tactile représente 20 % à 80 % de la surface de l'unité tactile. Selon le casque, le dispositif de charge sans fil et le système de charge de casque prévus dans la présente invention, la charge sans fil du casque peut être obtenue.
PCT/CN2021/106196 2020-07-24 2021-07-14 Casque, dispositif de charge sans fil et système de charge sans fil de casque WO2022017230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010721284.9 2020-07-24
CN202010721284.9A CN113973245B (zh) 2020-07-24 2020-07-24 头戴式耳机、无线充电装置及耳机充电系统

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WO2022017230A1 true WO2022017230A1 (fr) 2022-01-27

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CN116546382A (zh) * 2023-05-31 2023-08-04 东莞市和乐电子有限公司 一种具有制冷功能的头戴耳机

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EP3001696A2 (fr) * 2014-09-29 2016-03-30 Parrot Casque audio rechargeable sans contact
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CN116320865B (zh) * 2023-02-16 2023-12-05 东莞市猎声电子科技有限公司 一种耳机用镂空型抗干扰结构及镂空型抗干扰方法
CN116546382A (zh) * 2023-05-31 2023-08-04 东莞市和乐电子有限公司 一种具有制冷功能的头戴耳机
CN116546382B (zh) * 2023-05-31 2023-10-31 东莞市和乐电子有限公司 一种具有制冷功能的头戴耳机

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