CN107948798B - Charging box, wireless device and wireless earphone - Google Patents

Charging box, wireless device and wireless earphone Download PDF

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Publication number
CN107948798B
CN107948798B CN201711377584.4A CN201711377584A CN107948798B CN 107948798 B CN107948798 B CN 107948798B CN 201711377584 A CN201711377584 A CN 201711377584A CN 107948798 B CN107948798 B CN 107948798B
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China
Prior art keywords
charging box
elastic sheet
grounding
circuit
sub
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CN107948798A (en
Inventor
王砚波
高杰
徐江涛
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Goertek Inc
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Goertek Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041Mechanical or electronic switches, or control elements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a charging box, wireless equipment and a wireless earphone, wherein the charging box comprises: a charging cartridge housing; the switch wake-up circuit comprises a rechargeable battery, a power supply chip and a switch wake-up circuit, wherein the rechargeable battery, the power supply chip and the switch wake-up circuit are positioned in the charging box shell; the first grounding elastic sheet is positioned outside the charging box shell, and the at least one detection elastic sheet is connected with the switch wake-up circuit; when the power supply chip detects that any one detection elastic sheet and the first grounding elastic sheet are in contact conduction with a second grounding elastic sheet of the wireless equipment, the switch wake-up circuit is determined to be conducted; and when any detection elastic sheet and the first grounding elastic sheet are detected to be not in contact conduction with a second grounding elastic sheet of the wireless equipment, the switch wake-up circuit is determined to be closed. The invention reduces power consumption in the charging box.

Description

Charging box, wireless device and wireless earphone
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a charging box, wireless equipment and a wireless device.
Background
With the rapid development of wireless technologies, various wireless electronic devices are receiving wide attention. For example, TWS (true wireless headset) is a widely used wireless device. The wireless device is often connected to a terminal device such as a smart terminal to provide a terminal accessory application for a user, for example, music in a smart phone is played for the user by using a wireless headset. Wireless devices are not wired and require their internal battery power to maintain normal use. Charging boxes are commonly used to charge wireless devices.
In the prior art, a battery in the charging box is connected with a power supply chip, the power supply chip can provide a power output interface, and when the wireless device is placed in the charging box, the charging interface in the charging box is conducted with the power output interface. Meanwhile, when the grounding interface in the wireless equipment is in contact conduction with the grounding interface in the charging box, the charging box can charge the wireless equipment.
However, the battery in the charging box is always connected to the power chip, and no matter whether the charging device is inserted into an earphone to perform charging or not, the power chip consumes energy continuously, which increases the power consumption of the battery in the charging box.
Disclosure of Invention
In view of this, the present invention provides a charging box, a wireless device and a wireless headset, and is mainly used for solving the technical problem in the prior art that power consumption is increased when the charging box of the wireless device such as the wireless headset is in an idle state.
In order to solve the above technical problem, a first aspect of the present invention provides a charging box including: a charging cartridge housing;
the switch wake-up circuit comprises a rechargeable battery, a power supply chip and a switch wake-up circuit, wherein the rechargeable battery, the power supply chip and the switch wake-up circuit are positioned in the charging box shell;
the first grounding elastic sheet is positioned outside the charging box shell, and the at least one detection elastic sheet is connected with the switch wake-up circuit;
when the power supply chip detects that any one detection elastic sheet and the first grounding elastic sheet are in contact conduction with a second grounding elastic sheet of the wireless equipment, the switch wake-up circuit is determined to be conducted;
and when any detection elastic sheet and the first grounding elastic sheet are detected to be not in contact conduction with a second grounding elastic sheet of the wireless equipment, the switch wake-up circuit is determined to be closed.
Preferably, the switch wake-up circuit includes: the MOS switch tube, the first resistor and at least one diode; the cathodes of the diodes are connected with the detection elastic sheets in a one-to-one corresponding mode;
the first end of the first resistor and the source electrode of the MOS switch tube are connected with the anode of the rechargeable battery, and the second end of the first resistor and the grid electrode of the MOS switch tube are connected with the anode of the at least one diode; and the drain electrode of the MOS switching tube is connected with the input pin of the power supply chip.
Preferably, the method further comprises the following steps:
the power supply chip is specifically used for determining that the switch wake-up circuit is switched on when detecting that an enabling pin connected with the switch wake-up circuit is at a high level.
Preferably, the method further comprises the following steps:
the power supply output elastic sheet is positioned outside the charging box shell and is connected with a power supply output pin of the power supply chip;
the power supply chip charges the wireless equipment through the power supply output elastic sheet.
Preferably, the wireless device comprises:
an equipment housing;
the second grounding elastic sheet is positioned outside the shell; when the wireless device is placed into the charging box, the second grounding elastic sheet is in contact with any detection elastic sheet and the first grounding elastic sheet in the charging box, so that the first grounding elastic sheet and any detection elastic sheet of the charging box are conducted with the second grounding elastic sheet to conduct the switch awakening circuit.
Preferably, the second grounding spring piece comprises: the first sub-elastic sheet and the second sub-elastic sheet;
when the wireless equipment is placed into the charging box, the first sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the first sub-elastic piece is conducted with any detection elastic piece in the charging box; the second sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the second sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
A second aspect of the present invention provides a wireless device comprising:
an equipment housing;
a second grounding elastic sheet positioned outside the equipment shell;
when the wireless device is placed into the charging box, the second grounding elastic sheet is in contact conduction with any detection elastic sheet in the charging box, so that the first grounding elastic sheet of the charging box and any detection elastic sheet are in conduction with the second grounding elastic sheet to switch on the switch awakening circuit.
Preferably, the second grounding spring piece comprises: the first sub-elastic sheet and the second sub-elastic sheet;
when the wireless equipment is placed into the charging box, the first sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the first sub-elastic piece is conducted with any detection elastic piece in the charging box; the second sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the second sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
A third aspect of the present invention provides a wireless headset comprising:
an earphone housing;
a third grounding elastic sheet positioned outside the earphone shell;
when the wireless earphone is placed into the charging box, the third grounding elastic sheet is in contact conduction with any detection elastic sheet in the charging box, so that the first grounding elastic sheet of the charging box and any detection elastic sheet are in conduction with the third grounding elastic sheet to switch on the switch awakening circuit.
Preferably, the third grounding spring piece comprises: a third sub-spring plate and a fourth sub-spring plate;
when the wireless earphone is placed in the charging box, the third sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the third sub-elastic piece is conducted with any detection elastic piece in the charging box; the fourth sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the fourth sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
In the embodiment of the invention, a switch wake-up circuit is additionally arranged between a rechargeable battery and a power supply chip of a charging box shell, the switch wake-up circuit can be connected with at least one detection elastic sheet, when wireless equipment such as a wireless earphone is placed in the charging box, a second grounding elastic sheet of the wireless equipment is in contact conduction with any detection elastic sheet, the switch circuit can be further determined to be woken up, a passage is established between the rechargeable battery and the power supply chip, and the rechargeable battery can charge the wireless equipment. And when no wireless equipment is placed in the charging box, the switch wake-up circuit is closed, at the moment, the circuit between the rechargeable battery and the power supply chip is cut off, no current passes through, and the power supply chip does not consume energy any more. And then can practice thrift battery energy, improve the availability factor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of a charging box according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a charging box according to another embodiment of the present invention;
fig. 3 is a schematic structural view of a charging box according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a wireless device according to the present invention;
fig. 5 is a schematic structural diagram of an embodiment of a wireless headset according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to implement the embodiments of the present invention by using technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Some embodiments of the invention are mainly applied to a charging box, and the switch wake-up circuit is added in the charging box, so that the charging battery and the power supply chip are conducted to work when the wireless device is accessed, and do not work when the wireless device is not accessed, thereby reducing the electric energy loss in the charging box.
In the prior art, a rechargeable battery is arranged inside the charging box and is used for charging the accessed wireless device or supplying power to the charging box such as a power supply chip. However, the charging box is not an electronic device that is required to be used all the time, and is in an idle state when the wireless device does not require charging. However, even if the charging box is in an idle state, the power supply chip and the like inside the charging box are in a power consumption state. At present, there is not an effective mode can in time be solved when the box that charges is idle, throws away the state that has the internal chip power consumption, the electric energy of the box power supply battery that charges of extravagant.
The inventor has also found that it is possible to add a detection circuit that disconnects the battery from the chip in the idle state, when the presence of a wireless device is detected, and to restart the power supply line inside the charging box. The inventor proposes the technical scheme of the invention.
In the embodiment of the invention, the switch wake-up circuit is additionally arranged between the rechargeable battery and the power supply chip which are positioned in the charging box. When the wireless equipment is placed into the accommodating groove of the charging box, the wireless equipment can automatically trigger and wake up the switch wake-up circuit, so that the wireless equipment can be in a normal working state. And when no wireless equipment is placed in the accommodating groove of the charging box, the switch wake-up circuit is closed, the power supply chip is disconnected with the charging battery at the moment, and the chip consumes no power at the moment. The embodiment of the invention can automatically start the switch wake-up circuit, thereby avoiding generating invalid electric energy loss.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a schematic structural diagram of an embodiment of a charging box provided in an embodiment of the present invention, the charging box may include: a charging cartridge housing 100;
the charging box comprises a charging battery 101, a power supply chip 102 and a switch wake-up circuit 103, wherein the charging battery 101, the power supply chip 102 and the switch wake-up circuit 103 are positioned in the charging box shell 100, the first end of the switch wake-up circuit is connected with the charging battery 101, and the second end of the switch wake-up circuit is connected with the power supply chip 102;
a first grounding elastic sheet 104 located outside the charging box housing 100 and at least one detection elastic sheet 105 connected with the switch wake-up circuit 103;
when the power supply chip 102 detects that any one of the detection elastic pieces 105 and the first grounding elastic piece 104 are in contact conduction with a second grounding elastic piece of the wireless device, it is determined that the switch wake-up circuit 103 is in conduction;
when any detection elastic sheet 105 and the first grounding elastic sheet 104 are detected to be not in contact conduction with a second grounding elastic sheet of the wireless device, the switch wake-up circuit is determined to be closed.
The charging device may be generally used to charge a smart device. The charging device can charge electronic products such as wireless headsets, smart phones, tablets and the like. The wireless device can be provided with a Bluetooth module, and the Bluetooth module can be communicated with an intelligent terminal matched with the Bluetooth module or play operation can be executed.
When the wireless equipment is placed into the charging box, the detection elastic sheet is connected with the second grounding elastic sheet to be grounded. The switch detection circuit can now receive this low level. Because the switch detection circuit is connected with the detection elastic sheet, at the moment, the level signal in the switch detection circuit changes. The switch detection circuit of the charging box can automatically detect the level change thereof. When the level of the switch detection circuit changes, the wireless device can be determined to be placed in. Because the volume of wireless device or the box that charges is less, consequently, can reduce the complexity of circuit through the mode that the shell fragment triggered, make the mechanical design of circuit realize more easily.
The charging box case may refer to a case of the charging box for packing and protecting a hardware structure of the charging circuit module. The housing may be made of resin or plastic to achieve good insulation effect and protect the charging circuit.
The power supply chip may refer to a chip for controlling a charging process and a data transmission process of the wireless headset and the charging box. In practical applications, the Power supply chip may be a Power Management chip (Power Management IC) for performing conversion, distribution, detection and other Power supply functions Management on electric energy in the electronic device.
The first grounding elastic sheet and the at least one detection elastic sheet of the charging box can be in contact with the second grounding elastic sheet of the wireless equipment to conduct the switch wake-up circuit. The charging box is usually provided with a holding tank, and the holding tank is usually provided with the first detection elastic sheet and the first grounding elastic sheet. When the wireless device is placed in the accommodating groove, the second grounding elastic sheet of the wireless device is in contact with the first grounding elastic sheet and the first detection elastic sheet, and the second contact elastic sheet is in contact with the first contact elastic sheet and the first detection elastic sheet to trigger the switch awakening circuit to be switched on under the condition that the second grounding elastic sheet is grounded because the elastic sheets are made of metal.
The first detection elastic sheet and the second grounding elastic sheet are external interfaces of the charging box and are positioned outside the charging box shell. The second grounding elastic sheet is an external interface of the wireless equipment and is positioned outside the shell of the wireless equipment.
The first grounding elastic sheet can be connected to a grounding level in the charging shell, and the first grounding elastic sheet still serves as a grounding end when the first grounding elastic sheet is conducted with the second grounding elastic sheet after the wireless device is placed in the charging shell in the level state of the first grounding elastic sheet. When the first detection elastic sheet in the switch awakening circuit has a low level, the switch awakening circuit can be automatically awakened to conduct a connecting passage between the rechargeable battery and the power supply chip.
In the embodiment of the invention, the switch wake-up circuit is additionally arranged between the rechargeable battery and the power supply chip which are positioned in the charging box. When the wireless equipment is placed into the accommodating groove of the charging box, the wireless equipment can automatically trigger and wake up the switch wake-up circuit, so that the wireless equipment can be in a normal working state. And when no wireless equipment is placed in the accommodating groove of the charging box, the switch wake-up circuit is closed, the power supply chip is disconnected with the charging battery at the moment, and the chip consumes no power at the moment. The embodiment of the invention can automatically start the switch wake-up circuit, thereby avoiding generating invalid electric energy loss.
As an embodiment, as shown in fig. 2, a flowchart of another embodiment of a charging box provided in an embodiment of the present invention is different from the embodiment shown in fig. 1 in that the switch wake-up circuit 103 includes: a MOS switch tube 1031, a first resistor 1032 and at least one diode 1033; the cathode of the diode 1033 is connected with the detection elastic sheets 105 in a one-to-one corresponding manner;
a first end of the first resistor 1032 and a source of the MOS switch tube 1031 are connected to a positive electrode of the rechargeable battery 101, and a second end of the first resistor 1032 and a gate of the MOS switch tube 1031 are connected to a positive electrode of the at least one diode 1033; the drain of the MOS switch tube 1031 is connected to the input pin of the power supply chip 102.
The MOS switch tube can be referred to as a PMOS switch tube. When the MOS switch tube is conducted, the anode of the rechargeable battery can be charged for the embedded wireless equipment through the path formed by the MOS switch tube and the output pin of the power supply chip.
When the wireless device is placed in the charging box, the diode 1033 detects a low level, and the diode is turned on. The grid electrode of the MOS switch tube generates corresponding voltage, the source electrode voltage of the MOS switch tube is connected with the anode of the rechargeable battery, and at the moment, the grid electrode voltage is smaller than the source electrode voltage, so that the MOS switch tube is conducted. The positive pole of the rechargeable battery can form a corresponding charging path through the conducted MOS switch and the input pin of the power supply chip, and the rechargeable battery can charge the embedded wireless equipment.
In the embodiment of the invention, when the switch wake-up circuit is composed of components such as an MOS switch tube, a diode resistor and the like, whether the conduction is needed or not can be judged according to the switch state of the MOS switch tube. That is, when the wireless device is placed in the charging box, the detection elastic sheet is changed into a low level, so that the diode can be conducted, the MOS tube can be conducted, and when the MOS tube is conducted, the switch wake-up circuit is awakened. In the process, when the wireless equipment is placed into the charging box, the placing detection is automatically completed by a circuit in the charging box, so that the detection efficiency is improved. And moreover, the device is only switched on when being accessed, so that the waste of electric energy can be avoided.
As still another embodiment, the charging cartridge further includes:
the power supply chip is specifically used for determining that the switch wake-up circuit is switched on when detecting that an enabling pin connected with the switch wake-up circuit is at a high level.
According to the embodiment of the invention, whether equipment is placed or not and whether a switching circuit needs to be opened or not can be quickly and accurately determined by detecting the level change, so that the electric energy waste caused by non-use is avoided.
As an embodiment, the charging cartridge further includes:
the power supply output elastic sheet is positioned outside the charging box shell and is connected with a power supply output pin of the power supply chip;
the power supply chip charges the wireless equipment through the power supply output elastic sheet.
In the embodiment of the invention, the wireless equipment is charged through the power supply output elastic sheet outside the charging shell, so that the experience effect of charging while detecting can be realized.
As shown in fig. 3, a schematic structural diagram of an embodiment of a charging box according to an embodiment of the present invention is different from the embodiment shown in fig. 1 in that the wireless device may include:
a device housing 301;
a second grounding spring 302 located outside the device housing;
when the wireless device is placed into the charging box, the second grounding elastic sheet 302 is in contact with any detection elastic sheet 105 in the charging box, so that the first grounding elastic sheet 104 and any detection elastic sheet 105 of the charging box are in conduction with the second grounding elastic sheet 302 to conduct the switch wake-up circuit.
The second grounding elastic sheet is a metal elastic sheet, the area of the second grounding elastic sheet is large enough to contact the first grounding elastic sheet and any detection elastic sheet, and at the moment, the second grounding elastic sheet is conducted with the first grounding elastic sheet and any detection elastic sheet. The second grounding elastic sheet can be a metal elastic sheet, and the grounding elastic sheet is an external interface, so that the external interface of the wireless equipment is saved.
Optionally, the second grounding elastic sheet may be two sub elastic sheets. The second grounding elastic sheet comprises: the first sub-elastic sheet and the second sub-elastic sheet;
when the wireless equipment is placed into the charging box, the first sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the first sub-elastic piece is conducted with any detection elastic piece in the charging box; the second sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the second sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on. The design of the sub-elastic pieces can make the circuit design process more concise.
In the embodiment of the invention, the switch wake-up circuit of the charging box is realized through the second grounding elastic sheet outside the equipment shell, so that the detection work of the grounding elastic sheet can be automatically and accurately realized, and the device is convenient and fast.
As shown in fig. 4, a schematic structural diagram of an embodiment of a wireless device according to an embodiment of the present invention is provided, where the wireless device may include:
a device housing 401;
a second grounding spring piece 402 located outside the device housing 401;
when the wireless device is placed into the charging box, the second grounding elastic sheet 402 is in contact with any detection elastic sheet in the charging box, so that the first grounding elastic sheet and any detection elastic sheet of the charging box are in contact with the second grounding elastic sheet 402 to open the switch wake-up circuit.
The second grounding elastic sheet is a metal elastic sheet, the area of the second grounding elastic sheet is large enough to contact the first grounding elastic sheet and any detection elastic sheet, and at the moment, the second grounding elastic sheet is conducted with the first grounding elastic sheet and any detection elastic sheet. The second grounding elastic sheet can be a metal elastic sheet, and the grounding elastic sheet is an external interface, so that the external interface of the wireless equipment is saved.
As an embodiment, the second ground dome may include: the first sub-elastic sheet and the second sub-elastic sheet;
when the wireless equipment is placed into the charging box, the first sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the first sub-elastic piece is conducted with any detection elastic piece in the charging box; the second sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the second sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
In the embodiment of the invention, the switch wake-up circuit of the charging box is realized through the second grounding elastic sheet outside the equipment shell, so that the detection work of the grounding elastic sheet can be automatically and accurately realized, and the device is convenient and fast.
As shown in fig. 5, a schematic structural diagram of another embodiment of a wireless headset according to an embodiment of the present invention is provided, where the wireless headset may include:
an earphone housing 501;
a third grounding elastic piece 502 located outside the earphone housing 501;
when the wireless earphone is placed into the charging box, the third grounding elastic sheet 502 is in contact conduction with any detection elastic sheet in the charging box, so that the first grounding elastic sheet and any detection elastic sheet of the charging box are in conduction with the third grounding elastic sheet 502 to switch on the switch wake-up circuit.
The third grounding elastic sheet is a metal elastic sheet, the area of the third grounding elastic sheet is large enough to contact the first grounding elastic sheet and any detection elastic sheet, and at the moment, the third grounding elastic sheet is conducted with the first grounding elastic sheet and any detection elastic sheet. The third grounding elastic sheet can be a metal elastic sheet, and the grounding elastic sheet is an external interface, so that the external interface of the wireless equipment is saved.
Optionally, the third grounding spring piece includes: a third sub-spring plate and a fourth sub-spring plate;
when the wireless earphone is placed in the charging box, the third sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the third sub-elastic piece is conducted with any detection elastic piece in the charging box; the fourth sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the fourth sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
In the embodiment of the invention, the switch wake-up circuit of the charging box is realized through the third grounding elastic sheet outside the equipment shell, so that the detection work of the grounding elastic sheet can be automatically and accurately realized, and the device is convenient and fast.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The following description is of the preferred embodiment for carrying out the invention, and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A charging box, comprising: a charging cartridge housing;
the switch wake-up circuit comprises a rechargeable battery, a power supply chip and a switch wake-up circuit, wherein the rechargeable battery, the power supply chip and the switch wake-up circuit are positioned in the charging box shell;
the first grounding elastic sheet is positioned outside the charging box shell, and the at least one detection elastic sheet is connected with the switch wake-up circuit;
when the power supply chip detects that any one detection elastic sheet and the first grounding elastic sheet are in contact conduction with a second grounding elastic sheet of the wireless equipment, the switch wake-up circuit is determined to be conducted;
when any detection elastic sheet and the first grounding elastic sheet are detected to be not in contact conduction with a second grounding elastic sheet of the wireless equipment, the switch wake-up circuit is determined to be closed;
wherein the switch wake-up circuit comprises: the MOS switch tube, the first resistor and at least one diode; the cathodes of the diodes are connected with the detection elastic sheets in a one-to-one corresponding mode;
the first end of the first resistor and the source electrode of the MOS switch tube are connected with the anode of the rechargeable battery, and the second end of the first resistor and the grid electrode of the MOS switch tube are connected with the anode of the at least one diode; the drain electrode of the MOS switching tube is connected with the input pin of the power supply chip;
the MOS switch tube is a PMOS switch tube.
2. The charging box according to claim 1, further comprising:
the power supply chip is specifically used for determining that the switch wake-up circuit is switched on when detecting that an enabling pin connected with the switch wake-up circuit is at a high level.
3. The charging box according to claim 1, further comprising:
the power supply output elastic sheet is positioned outside the charging box shell and is connected with a power supply output pin of the power supply chip;
the power supply chip charges the wireless equipment through the power supply output elastic sheet.
4. The charging box according to claim 1, wherein the wireless device comprises:
an equipment housing;
the second grounding elastic sheet is positioned outside the shell; when the wireless device is placed into the charging box, the second grounding elastic sheet is in contact with any detection elastic sheet and the first grounding elastic sheet in the charging box, so that the first grounding elastic sheet and any detection elastic sheet of the charging box are conducted with the second grounding elastic sheet to conduct the switch awakening circuit.
5. The charging box according to claim 4, wherein the second grounding spring piece comprises: the first sub-elastic sheet and the second sub-elastic sheet;
when the wireless equipment is placed into the charging box, the first sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the first sub-elastic piece is conducted with any detection elastic piece in the charging box; the second sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the second sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
6. A wireless device, comprising:
an equipment housing;
a second grounding elastic sheet positioned outside the equipment shell;
when the wireless device is placed into the charging box, the second grounding elastic sheet is in contact conduction with any detection elastic sheet in the charging box, so that the first grounding elastic sheet of the charging box and any detection elastic sheet are conducted with the second grounding elastic sheet, and a switch wake-up circuit of the charging box is conducted;
wherein the switch wake-up circuit comprises: the MOS switch tube, the first resistor and at least one diode; the cathodes of the diodes are connected with the detection elastic sheets in a one-to-one corresponding mode;
the first end of the first resistor and the source electrode of the MOS switch tube are connected with the anode of the rechargeable battery, and the second end of the first resistor and the grid electrode of the MOS switch tube are connected with the anode of the at least one diode; the drain electrode of the MOS switching tube is connected with an input pin of the power supply chip;
the MOS switch tube is a PMOS switch tube.
7. The wireless device of claim 6, wherein the second ground clip comprises: the first sub-elastic sheet and the second sub-elastic sheet;
when the wireless equipment is placed into the charging box, the first sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the first sub-elastic piece is conducted with any detection elastic piece in the charging box; the second sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the second sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
8. A wireless headset, comprising:
an earphone housing;
a third grounding elastic sheet positioned outside the earphone shell;
when the wireless earphone is placed into the charging box, the third grounding elastic sheet is in contact conduction with any detection elastic sheet in the charging box, so that the first grounding elastic sheet of the charging box and any detection elastic sheet are conducted with the third grounding elastic sheet to conduct a switch wake-up circuit of the charging box;
wherein the switch wake-up circuit comprises: the MOS switch tube, the first resistor and at least one diode; the cathodes of the diodes are connected with the detection elastic sheets in a one-to-one corresponding mode;
the first end of the first resistor and the source electrode of the MOS switch tube are connected with the anode of the rechargeable battery, and the second end of the first resistor and the grid electrode of the MOS switch tube are connected with the anode of the at least one diode; the drain electrode of the MOS switching tube is connected with an input pin of the power supply chip;
the MOS switch tube is a PMOS switch tube.
9. The earphone of claim 8, wherein the third grounding spring comprises: a third sub-spring plate and a fourth sub-spring plate;
when the wireless earphone is placed in the charging box, the third sub-elastic piece is in contact with any detection elastic piece in the charging box, so that the third sub-elastic piece is conducted with any detection elastic piece in the charging box; the fourth sub-elastic piece is in contact with the first grounding elastic piece in the charging box, so that the fourth sub-elastic piece is conducted with the first grounding elastic piece in the charging box; and then the switch wake-up circuit is switched on.
CN201711377584.4A 2017-12-19 2017-12-19 Charging box, wireless device and wireless earphone Active CN107948798B (en)

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