CN110829510A - Audio equipment - Google Patents

Audio equipment Download PDF

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Publication number
CN110829510A
CN110829510A CN201810895166.2A CN201810895166A CN110829510A CN 110829510 A CN110829510 A CN 110829510A CN 201810895166 A CN201810895166 A CN 201810895166A CN 110829510 A CN110829510 A CN 110829510A
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CN
China
Prior art keywords
charging
receiving coil
earphone
coil
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810895166.2A
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Chinese (zh)
Inventor
朱彪
张宇
王丽
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Shenzhen Horn Audio Co Ltd
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Shenzhen Horn Audio Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Horn Audio Co Ltd filed Critical Shenzhen Horn Audio Co Ltd
Priority to CN201810895166.2A priority Critical patent/CN110829510A/en
Publication of CN110829510A publication Critical patent/CN110829510A/en
Pending legal-status Critical Current

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    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides audio equipment, which comprises an earphone and a charger, wherein the earphone comprises a charging receiving coil, the charger comprises a charging shell, a storage battery, an earphone charging assembly, a storage battery receiving coil and a first magnetism isolating piece for isolating electromagnetic signals, the charging shell is provided with two accommodating bins for accommodating one earphone respectively, the two accommodating bins are both in an open cavity structure, the opening of the charging shell is arranged upwards, the storage battery is arranged on the charging shell, the earphone charging assembly comprises two transmitting coils, the two transmitting coils are electrically connected with the storage battery so as to obtain electric energy from the storage battery, the two transmitting coils are respectively used for transmitting electromagnetic signals to a charging receiving coil so as to charge the charging battery, the storage receiving coil is electrically connected with the storage battery, and the first magnetic isolating piece is positioned between the earphone charging assembly and the storage receiving coil. The charger can avoid poor contact when the earphone is charged.

Description

Audio equipment
Technical Field
The invention belongs to the technical field of audio equipment, and particularly relates to audio equipment.
Background
At present, the size of a real wireless earphone is very small, the earphone needs to be charged in a contact mode through a Pogo Pin (thimble mode), and meanwhile, a magnet for generating magnetic force is generally arranged on the structure and used for fixing charging, so that a large space is occupied, poor contact often occurs, and charging is influenced.
Disclosure of Invention
The invention aims to provide a charger, and aims to solve the technical problem that poor contact is easy to occur when an earphone in the prior art is charged.
The invention is realized in such a way that the audio equipment comprises earphones and a charger, wherein the earphones are used for playing audio signals, the earphones are arranged in pairs, and each earphone is provided with a rechargeable battery and a charging receiving coil for receiving electromagnetic signals so as to wirelessly charge the rechargeable battery; the charger is including the casing that charges, the battery, earphone charging assembly, electric power storage receiving coil and be used for isolated electromagnetic signal first magnetism piece that separates, charging housing sets up two holding storehouses that are used for taking in an earphone respectively, two holding storehouses all are the opening cavity structure, and the opening sets up, the battery is installed on charging housing, earphone charging assembly includes two transmitting coil, two transmitting coil all are connected with storage battery electricity and acquire the electric energy in order to follow the battery, two transmitting coil are used for respectively to a receiving coil transmission electromagnetic signal in order to supply rechargeable battery to charge, electric power storage receiving coil is connected with storage battery electricity, and be used for receiving electromagnetic signal in order to battery output electric energy, first magnetism piece that separates is located between earphone charging assembly and the electric power storage receiving coil.
Further, the power storage receiving coil has a first state for receiving the electromagnetic signal and a second state for transmitting the electromagnetic signal, and the charger further comprises a controller which is in signal connection with the power storage receiving coil and is used for controlling the power storage receiving coil to switch between the first state and the second state, wherein when the power storage receiving coil is in the first state, the controller is used for receiving the electromagnetic signal to output electric energy to the storage battery, and when the power storage receiving coil is in the second state, the power storage receiving coil transmits the electromagnetic signal outwards to output the electric energy of the storage battery outwards.
Further, the charger also comprises an external transmitting coil which is in signal connection with the storage battery and transmits electromagnetic signals outwards so as to transmit the electric energy of the storage battery outwards.
Furthermore, the charger also comprises a cover body which is assembled with the charging shell cover at the top of the charging shell to seal the containing bin, the external radiation coil is arranged in the cover body, and the electric storage receiving coil is arranged at the bottom of the charging shell.
Furthermore, the charger also comprises a cover body which is assembled with the charging shell cover at the top of the charging shell to seal the containing bin, the electric storage receiving coil is arranged in the cover body, and the external emitting coil is arranged at the bottom of the charging shell.
Further, the charger also comprises a second magnetism isolating piece for isolating electromagnetic signals, and the second magnetism isolating piece is positioned between the earphone charging assembly and the external transmitting coil.
Further, the side of two transmitting coil all sets up from top to bottom, and the mutual interval sets up, and the charger still separates magnetism spare including the third that is used for completely cutting off electromagnetic signal, and the third separates magnetism spare and separates and locate between two transmitting coil.
Furthermore, two sending out the coil and transversely set up side by side, the casing that charges still includes the baffle that is used for separating two holding storehouses, and the baffle separates to locate between two sending out coils.
Furthermore, each earphone all includes the earphone casing that is formed with the installation cavity, and receiving coil and rechargeable battery all install in the installation cavity charge, and rechargeable battery is fixed in on the earphone casing and with receiving coil electric connection that charges, and receiving coil receives the electromagnetic signal that comes from a transmitting coil and turns into the electric signal with electromagnetic signal, and receiving coil charges with electric signal transmission to rechargeable battery in order to charge.
Furthermore, the earphone further comprises a Bluetooth module for wireless communication and a magnetism isolating sheet which is installed in the installation cavity and used for isolating electromagnetic signals, the Bluetooth module is installed in the installation cavity and electrically connected with the rechargeable battery, and the magnetism isolating sheet is arranged between the Bluetooth module and the charging receiving coil in a separated mode.
Compared with the prior art, the invention has the technical effects that: when the rechargeable battery is charged, the electric storage battery transmits electric energy to two transmitting coils in the earphone charging assembly, the two transmitting coils convert received electric signals into electromagnetic signals and respectively transmit the electromagnetic signals to a charging receiving coil matched with the electromagnetic signals, so that two earphones arranged in pairs can simultaneously complete wireless charging, the charging receiving coil does not need to be in physical contact with the transmitting coil in the charging process, poor contact of the earphones during charging can be avoided, and the stability and reliability of charging can be improved; the charger further comprises an electric storage receiving coil, the electric storage receiving coil is electrically connected with the storage battery, when the storage battery needs to be charged, the electric storage receiving coil can receive external electromagnetic signals and convert the external electromagnetic signals into electric energy, and further the electric storage receiving coil transmits the electric energy to the storage battery to charge the storage battery, so that the charger disclosed by the embodiment of the invention can receive the external electromagnetic signals to realize wireless charging, and the charging convenience of the charger can be further improved; the charger also comprises a first magnetism isolating piece, wherein the first magnetism isolating piece is positioned between the earphone charging component and the electric power storage receiving coil, so that the signal of the third wireless charging link can be prevented from causing interference to the signal of the first wireless charging link, meanwhile, the signal of the third wireless charging link can be prevented from causing interference to the signal of the second wireless charging link, and the charging stability of the charger can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an audio device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an audio device according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an audio device according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an earphone according to an embodiment of the present invention.
Description of reference numerals:
Figure BDA0001757956080000041
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be further noted that, in the embodiment of the present invention, the XY rectangular coordinate system is defined according to fig. 1 to fig. 3: one side in the positive direction of the X axis is defined as the right side, and one side in the negative direction of the X axis is defined as the left side; the side in the positive Y-axis direction is defined as the upper side, and the side in the negative Y-axis direction is defined as the lower side.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 4, the present invention provides an audio device including an earphone and a charger.
The earphones are used for playing audio signals, the earphones are arranged in pairs, and each earphone is provided with a rechargeable battery 22 and a charging receiving coil 21 for receiving electromagnetic signals to wirelessly charge the rechargeable battery.
The charger comprises a charging shell 11, a storage battery, an earphone charging assembly, a storage power receiving coil 13 and a first magnetism isolating piece 15, wherein the charging shell 11 is provided with two accommodating bins (not numbered in the figure) which are respectively used for accommodating an earphone, and the two accommodating bins are both in an open cavity structure and are arranged with openings facing upwards; the storage battery is arranged on the charging shell 11; the earphone charging assembly comprises two transmitting coils 12, wherein the two transmitting coils 12 are electrically connected with the storage battery so as to obtain electric energy from the storage battery, and the two transmitting coils 12 are respectively used for transmitting electromagnetic signals to a charging receiving coil 21 so as to charge a rechargeable battery 22; the storage receiving coil 13 is electrically connected with the storage battery and is used for receiving the electromagnetic signal to output electric energy to the storage battery; the first magnetism isolating member 15 is located between the earphone charging assembly and the storage receiving coil 13.
In this embodiment, when the rechargeable battery is charged, the storage battery transmits electric energy to the two transmitting coils 12 in the earphone charging assembly, the two transmitting coils 12 convert the received electric signal into an electromagnetic signal and respectively transmit the electromagnetic signal to the charging receiving coil 21 matched with the electromagnetic signal, so that the two earphones which are arranged in pair can simultaneously complete wireless charging, in the charging process, the charging receiving coil 21 does not need to be in physical contact with the transmitting coil 12, poor contact during charging of the earphones can be avoided, and the charging stability and reliability can be improved.
In this embodiment, the charger further includes an electric storage receiving coil 13, the electric storage receiving coil 13 is electrically connected to the storage battery, when the storage battery needs to be charged, the electric storage receiving coil 13 can receive an external electromagnetic signal and convert the external electromagnetic signal into electric energy, and further, the electric storage receiving coil 13 transmits the electric energy to the storage battery for charging the storage battery.
In this embodiment, one transmitting coil 12 and one earphone form a first wireless charging link, one transmitting coil 12 and another earphone form a second wireless charging link, the electric power storage receiving coil 13 and an external electromagnetic signal source form a third wireless charging link, the charger further includes a first magnetism isolating member 15, the first magnetism isolating member 15 is located between the earphone charging assembly and the electric power storage receiving coil 13, and can avoid the signal of the third wireless charging link from interfering with the signal of the first wireless charging link, and can also avoid the signal of the third wireless charging link from interfering with the signal of the second wireless charging link, and can increase the charging stability of the charger.
The power storage receiving coil 13 has a first state for receiving the electromagnetic signal and a second state for transmitting the electromagnetic signal, and the charger further comprises a controller (not shown) in signal connection with the power storage receiving coil 13 and used for controlling the power storage receiving coil 13 to switch between the first state and the second state, wherein when the power storage receiving coil 13 is in the first state, the controller is used for receiving the electromagnetic signal to output the electric energy to the storage battery, and when the power storage receiving coil 13 is in the second state, the power storage receiving coil 13 transmits the electromagnetic signal outwards to output the electric energy of the storage battery outwards.
In this embodiment, when the storage receiving coil 13 is in the first state, the storage receiving coil 13 may receive an external electromagnetic signal and convert the received electromagnetic signal into an electrical signal, and further the storage receiving coil 13 may transmit the electrical signal to the battery so as to output electric energy to the battery, the controller is in signal connection with the storage receiving coil 13, the controller may transmit a control signal to the storage receiving coil 13, and may switch the storage receiving coil 13 from the first state to the second state, and when there is electric energy in the battery, the storage receiving coil 13 may obtain the electrical signal from the battery and convert the electrical signal into an electromagnetic signal, and further, the storage receiving coil 13 may emit the electromagnetic signal to the outside, so that the charger may wirelessly charge other (receiving terminals other than earphones) external receiving terminals, such as a mobile phone, a tablet computer, and the like.
Of course, when the electric quantity of the storage battery is too low, the controller may switch the storage receiving coil 13 from the second state to the first state, so that the storage receiving coil 13 may receive an external electromagnetic signal to wirelessly charge the storage battery.
In another embodiment of the present invention, the charger further comprises an external radiation coil 14 which is in signal connection with the storage battery and emits an electromagnetic signal to the outside to transmit the electric energy of the storage battery to the outside.
In this embodiment, when the battery has sufficient battery power, the external radiation coil 14 may acquire an electrical signal from the battery and convert the electrical signal into an electromagnetic signal, and further, the external radiation coil 14 may externally radiate the electromagnetic signal to the outside, so that the charger may wirelessly charge other external receiving terminals (receiving terminals other than the earphone), such as a mobile phone, a tablet computer, and the like.
Further, as shown in fig. 3, the charger further includes a cover 19 which is attached to the top of the charging housing 11 to seal the storage compartment, the external radiation coil 14 is disposed in the cover 19, and the storage receiver coil 13 is disposed at the bottom of the charging housing 11.
Of course, in another embodiment of the present invention, the power storage reception coil 13 is provided in the cover 19, and the external radiation coil 14 is provided at the bottom of the charging case 11.
Further, the charger further comprises a second magnetic shielding member 16 for shielding electromagnetic signals, and the second magnetic shielding member 16 is located between the earphone charging assembly and the external radiation coil 14.
In this embodiment, when the transmitting coil 12 wirelessly charges the earphone, the second magnetism isolating member 16 can prevent the external transmitting coil 14 from causing signal interference in the process, and can improve the charging stability of the earphone.
Further, as shown in fig. 1, the side surfaces of the two transmitting coils 12 are disposed up and down and are disposed at intervals, the charger further includes a third magnetism isolating member 17 for isolating electromagnetic signals, and the third magnetism isolating member 17 is disposed between the two transmitting coils 12 at intervals. In this embodiment, the side surfaces of the two transmitting coils 12 are both arranged up and down, that is, the two transmitting coils 12 are vertically arranged, so that the space can be saved, and the third magnetism isolating piece 17 can prevent the signals of the first wireless charging link and the second wireless charging link from interfering with each other.
In another embodiment of the present invention, as shown in fig. 2, the two transmitting coils 12 are arranged side by side, and the charging housing 11 further includes a partition 18 for partitioning the two accommodating compartments, wherein the partition 18 is partitioned between the two transmitting coils 12.
Further, the method is carried out. As shown in fig. 4, each earphone includes an earphone housing having a mounting cavity, a charging receiving coil 21 and a rechargeable battery 22 are mounted in the mounting cavity, the rechargeable battery 22 is fixed on the earphone housing and electrically connected to the charging receiving coil 21, the charging receiving coil 21 receives an electromagnetic signal from a transmitting coil 12 and converts the electromagnetic signal into an electrical signal, and the charging receiving coil 21 transmits the electrical signal to the rechargeable battery 22 for charging.
In this embodiment, the charging receiving coil 21 receives an electromagnetic signal from a transmitting coil 12 and converts the electromagnetic signal into an electrical signal, and the charging receiving coil 21 transmits the electrical signal to the rechargeable battery 22 for charging, thereby realizing wireless charging of the headset.
Further, the earphone also includes a bluetooth module for wireless communication and a magnetism isolating sheet 23 which is installed in the installation cavity and used for isolating electromagnetic signals, the bluetooth module is installed in the installation cavity and electrically connected with the rechargeable battery 22, and the magnetism isolating sheet 23 is arranged between the bluetooth module and the charging receiving coil 21 in a separated mode.
In this embodiment, the magnetism isolating sheet 23 is disposed between the bluetooth module and the charging receiver coil 21, so that the electromagnetic signal of the charging receiver coil 21 can be limited between the magnetism isolating sheet and the third magnetism isolating member 17, and the electromagnetic signal of the charging receiver coil 21 is prevented from being radiated.
Furthermore, the earphone further comprises a receiver 24 electrically connected to the bluetooth module and configured to generate an audio signal, and the magnetic shielding sheet 23 is disposed between the receiver 24 and the charging receiving coil 21 in a spaced manner. In this embodiment, the receiver 24 receives a data signal from the bluetooth module and converts the data signal into an audio signal to be transmitted to the outside.
Further, the bluetooth module includes an antenna 25 for receiving and transmitting wireless signals, and a bluetooth chip 26 in signal connection with the antenna 25 for signal processing, and the headset further includes a microphone 27 for converting sound signals into electrical signals and electrically connected with the bluetooth chip 26.
Further, the earphone housing has an ear insertion end inserted into the ear canal and an exposed end exposed outside the ear canal, the receiver 24 is disposed near the ear insertion end, the charging receiving coil 21 is disposed near the exposed end, and the microphone 27 is disposed near the exposed end.
Further, the wireless charging device further comprises a detection module (not shown) in signal connection with the rechargeable battery 22 for detecting the power of the rechargeable battery 22, and an alarm (not shown) in signal connection with the detection module.
In this embodiment, when the detection module detects that the electric quantity of the rechargeable battery 22 is low, the detection module generates a driving signal for driving the alarm to operate, and the alarm starts to operate after receiving the driving signal and emits a light signal or a sound signal.
Further, the headset further includes a power management chip 28 connected between the bluetooth module and the rechargeable battery 22 for controlling an output signal of the rechargeable battery 22. In this embodiment, the power management chip 28 controls the output signal of the rechargeable battery 22 (e.g., the output voltage or the output current of the rechargeable battery 22) to switch or control the functions of the earphone.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An audio device, comprising:
the earphones are used for playing audio signals, are arranged in pairs, and each earphone is provided with a rechargeable battery and a charging receiving coil for receiving electromagnetic signals so as to wirelessly charge the rechargeable battery;
the charger comprises a charging shell, a storage battery, an earphone charging assembly, a storage battery receiving coil and a first magnetism isolating piece for isolating electromagnetic signals, the charging shell is provided with two containing bins for containing one earphone respectively, the two containing bins are both in an open cavity structure, the opening of the charging shell is arranged upwards, the storage battery is arranged on the charging shell, the earphone charging assembly comprises two transmitting coils, the two transmitting coils are electrically connected with the storage battery so as to obtain electric energy from the storage battery, the two transmitting coils are respectively used for transmitting electromagnetic signals to one charging receiving coil so as to charge the charging battery, the storage receiving coil is electrically connected with the storage battery, and the first magnetic isolating piece is positioned between the earphone charging assembly and the storage receiving coil.
2. The audio device as claimed in claim 1, wherein the charge-accumulating receiver coil has a first state for receiving the electromagnetic signal and a second state for transmitting the electromagnetic signal, and the charger further comprises a controller in signal connection with the charge-accumulating receiver coil and for controlling the charge-accumulating receiver coil to switch between the first state and the second state, wherein the charge-accumulating receiver coil is configured to receive the electromagnetic signal to output the electric power to the battery when the charge-accumulating receiver coil is in the first state, and the charge-accumulating receiver coil is configured to transmit the electromagnetic signal to the outside to output the electric power to the battery when the charge-accumulating receiver coil is in the second state.
3. The audio device as in claim 1, wherein the charger further comprises an outer coil in signal connection with the battery and emitting an electromagnetic signal outwardly to transfer electrical energy of the battery outwardly.
4. The audio device as claimed in claim 3, wherein the charger further comprises a cover body which is assembled with the charging housing cover at the top of the charging housing to seal the accommodation chamber, the external radiation coil is disposed in the cover body, and the storage receiving coil is disposed at the bottom of the charging housing.
5. The audio device as claimed in claim 3, wherein the charger further comprises a cover body which is attached to the top of the charging case to seal the housing chamber, the power storage receiving coil is disposed in the cover body, and the radiation coil is disposed at the bottom of the charging case.
6. The audio device as in claim 4 or 5, wherein the charger further comprises a second magnetic shield for shielding electromagnetic signals, the second magnetic shield being located between the earphone charging assembly and the outer coil.
7. The audio device as claimed in claim 6, wherein the two transmitting coils are disposed on top of each other and spaced apart from each other, and the charger further comprises a third magnetic shielding member for shielding the electromagnetic signal, the third magnetic shielding member being spaced apart from the two transmitting coils.
8. The audio device as in claim 6, wherein said two transmitting coils are laterally arranged side by side, said charging housing further comprising a partition for partitioning said two receiving chambers, said partition being partitioned between said two transmitting coils.
9. The audio device as claimed in claim 1, wherein each of the earphones comprises an earphone housing having a mounting cavity, the charging receiving coil and the rechargeable battery are mounted in the mounting cavity, the rechargeable battery is fixed on the earphone housing and electrically connected to the charging receiving coil, the charging receiving coil receives an electromagnetic signal from the transmitting coil and converts the electromagnetic signal into an electrical signal, and the charging receiving coil transmits the electrical signal to the rechargeable battery for charging.
10. The audio device as claimed in claim 6, wherein the earphone further comprises a bluetooth module for wireless communication and a magnetic shielding sheet installed in the installation cavity and used for shielding electromagnetic signals, the bluetooth module is installed in the installation cavity and electrically connected to the rechargeable battery, and the magnetic shielding sheet is arranged between the bluetooth module and the charging receiving coil in a shielding manner.
CN201810895166.2A 2018-08-08 2018-08-08 Audio equipment Pending CN110829510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810895166.2A CN110829510A (en) 2018-08-08 2018-08-08 Audio equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810895166.2A CN110829510A (en) 2018-08-08 2018-08-08 Audio equipment

Publications (1)

Publication Number Publication Date
CN110829510A true CN110829510A (en) 2020-02-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810895166.2A Pending CN110829510A (en) 2018-08-08 2018-08-08 Audio equipment

Country Status (1)

Country Link
CN (1) CN110829510A (en)

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