CN113055776A - Power supply control method, intelligent communication wrist strap equipment, device and medium - Google Patents
Power supply control method, intelligent communication wrist strap equipment, device and medium Download PDFInfo
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- CN113055776A CN113055776A CN202110270359.0A CN202110270359A CN113055776A CN 113055776 A CN113055776 A CN 113055776A CN 202110270359 A CN202110270359 A CN 202110270359A CN 113055776 A CN113055776 A CN 113055776A
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- earphone body
- management unit
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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- Acoustics & Sound (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The application discloses a power supply control method, intelligent communication wrist strap equipment, a device and a medium, wherein a first battery and a power supply interface used for being connected with a power management unit in an earphone body are arranged in a bottom support of the intelligent communication wrist strap equipment; the power supply control method comprises the following steps: acquiring the connection state of a power management unit and a power supply interface in a bottom support; if the connection is established, the first battery in the bottom support is used as a power supply battery and is connected to a power supply loop; and if the earphone body is not connected, the second battery in the earphone body is used as a power supply battery and is connected to the power supply loop. The dual-battery design is adopted, the power supply battery can be intelligently selected according to the application scene, the battery capacity and the battery endurance of the intelligent communication wrist strap device are effectively expanded, and the economic benefit of the product is improved.
Description
Technical Field
The present disclosure relates to the field of intelligent electronic product technologies, and in particular, to a power supply control method, an intelligent communication wristband device, a power supply control apparatus, and a computer-readable storage medium.
Background
In recent years, the application development of intelligent electronic products is rapid, and a lot of convenience and functional experiences are brought to the life of people.
In order to better satisfy the demand of consumers, the intelligent wearable device integrates a wrist strap and an earphone into a whole, and the intelligent communication wrist strap device capable of communicating is a Talkband. For electronic equipment, the cruising ability of the electronic equipment is always important to research and development personnel, and excellent cruising ability can bring good experience to consumers. However, with the development of technologies, the power consumption of products is increased due to the rich functions of wearable devices, but the requirements for the size of batteries are decreased due to the miniaturization of electronic devices, and these requirements put forward higher requirements for battery life schemes of intelligent electronic devices. In view of the above, it is an important need for those skilled in the art to provide a solution to the above technical problems.
Disclosure of Invention
An object of the present application is to provide a power supply control method, an intelligent communication wristband device, a power supply control apparatus, and a computer-readable storage medium, so as to effectively improve battery capacity and endurance time, and improve user experience.
In order to solve the technical problem, on one hand, the application discloses a power supply control method applied to an intelligent communication wrist strap device, wherein an earphone body of the intelligent communication wrist strap device is selectively installed on a bottom support, a first battery and a power supply interface are arranged in the bottom support, a second battery, a power supply management unit and a control unit are arranged in the earphone body, the power supply interface is used for connecting the power supply management unit when the earphone body is in an installation state, and a switch circuit is arranged in the power supply management unit so as to be connected with the first battery or the second battery selectively; the method comprises the following steps:
acquiring the connection state of the power management unit and a power supply interface in the bottom support;
if the power management unit is connected with the power supply interface, the first battery in the bottom support is used as a power supply battery and is connected to a power supply loop;
and if the power management unit is not connected with the power supply interface, the second battery in the earphone body is used as a power supply battery and is connected to a power supply loop.
Optionally, a charging interface for connecting an external power supply is further arranged in the bottom support; after determining that the power management unit is connected to the power supply interface, the method further includes:
judging whether an access signal of an external power supply is received;
if yes, judging whether the second battery is full of electric quantity;
if the second battery is full of electricity, the first battery is connected to a power supply loop and is charged; continuously judging whether the second battery is full of electric quantity;
if the second battery is not full of electricity, the second battery is connected to a power supply loop and is charged; and continuously judging whether the second battery is full of electric quantity.
Optionally, after determining that the access signal of the external power supply is not received, the method further includes:
judging whether the electric quantity of the first battery is higher than a preset threshold value;
if so, taking the first battery as a power supply battery and accessing the power supply circuit;
and if not, taking the second battery as a power supply battery and accessing the power supply circuit.
Optionally, the accessing the first battery in the shoe as a power supply battery into the power supply loop includes:
sending a switch closing signal to a corresponding switch of the first battery, and sending a switch closing signal to a corresponding switch of the second battery;
the access power supply circuit of taking the second battery in the earphone body as the power supply battery includes:
and sending a switch turn-off signal to a corresponding switch of the first battery, and sending a switch turn-on signal to a corresponding switch of the second battery.
In yet another aspect, the present application discloses an intelligent call wristband device, comprising an earphone body and a shoe, wherein the earphone body is selectively mountable on the shoe;
the earphone body is provided with a base, wherein the base is internally provided with a first battery, a power supply interface and a charging interface for connecting an external power supply, and the power supply interface is used for connecting a power supply management unit in the earphone body when the earphone body is in an installation state; a second battery is arranged in the earphone body;
the control unit in the earphone body is used for selecting the first battery or the second battery to supply power by controlling the switch circuit in the power management unit.
Optionally, the first battery is a flexible battery built into the shoe's long wrist strap.
Optionally, the charging interface adopts a spring plate connection mode and is arranged at the tail end of the short wrist belt of the bottom support.
Optionally, the power supply interface adopts a contact connection mode.
In another aspect, the present application further discloses a power supply control device, including:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of any one of the power supply control methods of the smart phone wristband device as described above.
In yet another aspect, the present application further discloses a computer readable storage medium, in which a computer program is stored, and the computer program is used for implementing the steps of the power supply control method of any one of the intelligent call wristband devices as described above when being executed by a processor.
The power supply control method, the intelligent communication wrist strap device, the power supply control device and the computer readable storage medium have the advantages that: this application has adopted the double cell design, can select to utilize the second battery in first battery in the collet or the earphone body as the power supply battery of earphone body according to the difference of using the scene, has effectively expanded the battery capacity and the battery duration of intelligent conversation wrist strap equipment, has improved user experience and product economic benefits.
Drawings
In order to more clearly illustrate the technical solutions in the prior art and the embodiments of the present application, the drawings that are needed to be used in the description of the prior art and the embodiments of the present application will be briefly described below. Of course, the following description of the drawings related to the embodiments of the present application is only a part of the embodiments of the present application, and it will be obvious to those skilled in the art that other drawings can be obtained from the provided drawings without any creative effort, and the obtained other drawings also belong to the protection scope of the present application.
Fig. 1 is a flowchart of a power supply control method disclosed in an embodiment of the present application;
fig. 2 is a flowchart of another power supply control method disclosed in the embodiment of the present application;
fig. 3 is a schematic structural diagram of an intelligent communication wristband apparatus disclosed in an embodiment of the present application;
fig. 4 is a block diagram of a power supply control device according to an embodiment of the present disclosure.
Detailed Description
The core of the application is to provide a power supply control method, an intelligent communication wristband device, a power supply control device and a computer readable storage medium, so that the battery capacity and the endurance time are effectively improved, and the user experience is improved.
In order to more clearly and completely describe the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an embodiment of the present application discloses a power supply control method, which is applied to an intelligent communication wristband device; the earphone body of the intelligent communication wrist strap device can be selectively installed on a bottom support, a first battery and a power supply interface are arranged in the bottom support, a second battery, a power supply management unit and a control unit are arranged in the earphone body, the power supply interface is used for being connected with the power supply management unit when the earphone body is in an installation state, and a switch circuit is arranged in the power supply management unit so as to be connected with the first battery or the second battery; the method mainly comprises the following steps:
s101: and acquiring the connection state of the power management unit and the power supply interface in the bottom support.
S102: judging whether the connection state is present; if yes, entering S103; if not, the process proceeds to S104.
S103: and the first battery in the bottom support is used as a power supply battery to be connected into the power supply loop.
S104: and the second battery in the earphone body is used as a power supply battery and is connected into the power supply loop.
Specifically, intelligent conversation wrist strap equipment has adopted the double cell design in this application: the first battery is arranged in the bottom support, meanwhile, the second battery is arranged in the earphone body, and the two batteries can be selected as power supply batteries to be connected into a power supply loop so as to supply power for related circuits in the earphone body.
Generally, a power management unit for managing power supply of the circuit is provided in each of the earphone bodies. In the application, a second battery in the earphone body is connected with the power management unit and used as a power supply alternative; meanwhile, when the earphone body is installed in the bottom support, the first battery in the bottom support can be connected with the power supply management unit through the power supply interface and used as another power supply alternative.
Therefore, the control unit in the earphone body can select to connect the first battery or the second battery into the power supply loop according to the current use condition of the intelligent communication wrist strap device through the control of the related switch. Therefore, the battery duration of the intelligent communication wristband equipment is effectively prolonged through alternate use of the two batteries under different conditions.
Specifically, because when the user is using the earphone body to talk or listen to music, the earphone body needs to be taken out of the bottom support and worn on two ears, at the moment, the power management unit of the earphone body is electrically disconnected with the first battery in the bottom support, and the earphone body can only be powered by the built-in second battery. Therefore, the second battery needs to be guaranteed to be sufficiently charged preferentially, and the first battery needs to be used preferentially under the condition that the condition allows.
For this reason, when the earphone body is still installed in the bottom support, and the first battery in the bottom support is electrically connected with the power management unit of the earphone body, the first battery in the bottom support can be determined as the power supply battery. And when the earphone body is taken out from the bottom support, the second battery built in the earphone body is determined as the power supply battery.
It is thus clear that the power supply control method that this application provided, to the double cell design, use the first battery power supply in the collet when the earphone body is installed in the collet, and use the second battery power supply when the earphone body is taken out the collet, so effectively expanded battery capacity to the electric quantity that has preferentially ensured the second battery is sufficient, has prolonged the battery duration of user when wearing the use earphone body, has improved user experience and product economic benefits.
Referring to fig. 2, an embodiment of the present application discloses another power supply control method applied to an intelligent communication wristband device, including:
s201: and acquiring the connection state of the power management unit and the power supply interface in the bottom support.
S202: judging whether the connection state is present; if not, the step S203 is entered; if yes, the process proceeds to S204.
S203: the second battery is connected into the power supply loop as a power supply battery.
S204: judging whether an access signal of an external power supply is received; if not, the process goes to S205; if yes, the process proceeds to S208.
As a specific embodiment, a charging interface used for connecting an external power supply can be further arranged in the bottom support. In this embodiment, when the earphone body is mounted in the bottom holder, the first battery is not used for power supply immediately, but is further selected in combination with the charging condition.
S205: judging whether the electric quantity of the first battery is higher than a preset threshold value; if yes, entering S206; if not, the process proceeds to S207.
Specifically, under the condition that the external power supply is not inserted into the charging interface, the first battery should be used as much as possible to supply power in order to avoid the power consumption of the second battery as much as possible. Therefore, in order to take the battery power supply performance into consideration, if the electric quantity of the first battery is higher than the preset threshold value, the first battery can be used for supplying power, and if the electric quantity of the first battery is too low and is not higher than the preset threshold value, the second battery can be used for supplying power.
It is readily understood that the charge of the battery can be measured using a coulometer integrated chip. Alternatively, in view of the corresponding relationship between the electric quantity and the voltage, the electric quantity may be indirectly obtained by using a voltage detection method.
S206: the first battery is connected into the power supply loop as a power supply battery.
S207: the second battery is connected into the power supply loop as a power supply battery.
S208: judging whether the second battery is full of electric quantity; if not, the process goes to S209; if yes, the process proceeds to S210.
Specifically, under the condition that the external power supply is inserted into the charging interface, the second battery can be charged preferentially to ensure that the electric quantity of the second battery is sufficient as much as possible. Therefore, if the second battery is not full of electricity, the second battery is connected to the power supply loop, so that the second battery is charged by the external power supply at the same time, and part of energy is used for supplying power to the equipment.
It should be noted that, after the second battery is fully charged, the first battery can be charged, and therefore, it is necessary to continuously detect whether the second battery is fully charged.
S209: connecting the second battery into the power supply loop and charging the second battery; the process proceeds to S208.
S210: and connecting the first battery into the power supply loop and charging the first battery.
After the second battery is fully charged, the first battery can be connected to the power supply loop so that the second battery can be charged by the external power supply, and meanwhile, part of electric energy is used for supplying power to the equipment. It is easy to understand that, after the second battery is fully charged, the state of connecting the second battery to the power supply loop can be kept unchanged, so that once the charging power supply is unplugged, the second battery can be directly used for supplying power.
As a specific embodiment, the smart phone wristband device disclosed in the embodiment of the present application, based on the above, accesses the first battery in the bottom support as a power supply battery to the power supply loop, and includes:
sending a switch closing signal to a corresponding switch of the first battery, and sending a switch closing signal to a corresponding switch of the second battery;
the second battery in the earphone body is used as a power supply battery to be connected into a power supply loop, and the earphone comprises:
and sending a switch turn-off signal to a corresponding switch of the first battery, and sending a switch turn-on signal to a corresponding switch of the second battery.
Specifically, the control unit in the earphone body can select to use the first battery for power supply or the second battery for power supply by respectively controlling the switches corresponding to the first battery and the second battery. It is not assumed that KEY1 is a corresponding switch for the first battery that, when closed, couples the first battery into the power supply loop; KEY2 is a corresponding switch for the second battery that, when closed, connects the second battery to the power supply loop. The switch control signals corresponding to KEY1 and KEY2 are EN1 and EN2, respectively, where "1" means closed and "0" means open.
In this way, with reference to the above embodiments, when the earphone body is mounted on the base and the external power source is connected for charging, if the second battery is fully charged, EN1 should be 1 and EN2 should be 0; if the second battery is not full of electricity, EN1 and EN2 should be set to 0 and EN2 should be set to 1, and then EN1 and EN2 should be set to 0 again until the second battery is fully charged.
When the earphone body is mounted on the bottom support and an external power supply is not connected for charging, if the electric quantity of the first battery is higher than a preset threshold value, enabling EN1 to be 1 and EN2 to be 0; if the charge of the first battery is not higher than the preset threshold, EN1 is set to 0, and EN2 is set to 1.
Referring to fig. 3, an embodiment of the present application further discloses an intelligent communication wristband device, which mainly includes an earphone body 10 and a bottom support 20, wherein the earphone body 10 is selectively installed on the bottom support 20;
the bottom support 20 is provided with a first battery 21, a power supply interface 22 and a charging interface 23 for connecting an external power supply, wherein the power supply interface 22 is used for connecting the power management unit 13 in the earphone body 10 when the earphone body 10 is in an installation state; a second battery 11 is arranged in the earphone body 10;
the control unit 12 in the headphone body 10 is used to select whether the first battery 21 or the second battery 11 supplies power by controlling the switching circuit in the power management unit 13.
Specifically, the smart phone wristband device provided in the embodiment of the present application adopts a dual-battery design: the base support 20 is provided with a first battery 21, and the earphone body 10 is provided with a second battery 11, and both batteries can be selected as power supply batteries to be connected into a power supply loop so as to supply power to related circuits in the earphone body 10.
Generally, the earphone bodies 10 are each provided therein with a power management unit 13 for managing power supply to the circuit. In the present application, the second battery 11 in the earphone body 10 is connected with the power management unit 13 as a power supply alternative; meanwhile, when the earphone body 10 is mounted in the bottom bracket 20, the first battery 21 in the bottom bracket 20 is connected with the power management unit 13 through the power supply interface 22 as another power supply alternative.
Thus, the control unit 12 in the earphone body 10 can select to connect the first battery 21 or the second battery 11 to the power supply circuit according to the current use condition of the smart phone wristband device through the control of the relevant switch. Therefore, the battery duration of the intelligent communication wristband equipment is effectively prolonged through alternate use of the two batteries under different conditions.
Furthermore, since the first battery 21 is also provided in the shoe 20, there is a charging demand as with the second battery 11. For this reason, this application embodiment sets up the interface 23 that charges of intelligent conversation wrist strap device on collet 20, has released earphone body 10's equipment space greatly from this, has striven for bigger installation space for second battery 11, is convenient for select the battery that the volume is bigger, capacity is bigger, and then improves the duration of second battery 11.
It should be further noted that, in addition to the above units, the smart phone wristband apparatus provided in the present application further includes other basic functional components and circuit units for implementing product functions, such as an audio unit, a display module, a battery voltage detection unit, etc., and this application will not be described in detail herein.
Therefore, the intelligent communication wrist strap device disclosed by the embodiment of the application adopts the double-battery design, and the first battery in the bottom support or the second battery in the earphone body can be selected and utilized as the power supply battery of the earphone body according to different application scenes, so that the battery capacity and the battery endurance of the intelligent communication wrist strap device are effectively expanded, and the user experience and the product economic benefit are improved.
As a specific embodiment, the smart phone wristband apparatus disclosed in the embodiment of the present application is based on the above, and the first battery 21 is a flexible battery embedded in the long wristband of the bottom support 20.
Specifically, the shoe 20 may include an intermediate structure for fixedly mounting the earphone body 10 in the middle, and a wrist band structure of both wings. For the sake of convenience in distinguishing in the industry, two wristbands are generally set to be unequal in length, that is, one is a long wristband and the other is a short wristband. In order to save space on the battery, a flexible battery may be used in this embodiment, and may be embedded in the long wrist band, wherein a segment of the flexible battery extends to the edge of the middle structure of the bottom support 20 so as to be electrically connected to the earphone body 10 installed in the middle structure through the power supply interface 22.
As a specific embodiment, on the basis of the foregoing, the power supply interface 22 of the smart phone wristband device disclosed in the embodiment of the present application adopts a contact connection manner.
As a specific embodiment, on the basis of the above content, the charging interface 23 of the intelligent communication wrist strap device disclosed in the embodiment of the present application adopts a spring plate connection manner, and is disposed at the end of the short wrist strap of the bottom support 20.
Specifically, the charging interface 23 may adopt a USB insertion port form, and realize charging connection with an external power source in a spring sheet connection manner.
Referring to fig. 4, an embodiment of the present application discloses a power supply control device, including:
a memory 301 for storing a computer program;
a processor 302 for executing the computer program to implement the steps of power control of any of the smart phone wristband devices as described above.
Further, the present application discloses a computer readable storage medium, in which a computer program is stored, and the computer program is used for implementing the steps of the power supply control method of any one of the intelligent call wristband devices as described above when being executed by a processor.
For the details of the power supply control device and the computer readable storage medium, reference may be made to the foregoing detailed description of the smart phone wristband apparatus and the power supply control method thereof, which will not be repeated herein.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the equipment disclosed by the embodiment, the description is relatively simple because the equipment corresponds to the method disclosed by the embodiment, and the relevant parts can be referred to the method part for description.
It is further noted that, throughout this document, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The technical solutions provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall into the protection scope of the present application.
Claims (10)
1. A power supply control method is applied to intelligent communication wrist strap equipment and is characterized in that an earphone body of the intelligent communication wrist strap equipment can be selectively installed on a bottom support, a first battery and a power supply interface are arranged in the bottom support, a second battery, a power supply management unit and a control unit are arranged in the earphone body, the power supply interface is used for being connected with the power supply management unit when the earphone body is in an installation state, and a switch circuit is arranged in the power supply management unit so as to be connected with the first battery or the second battery; the method comprises the following steps:
acquiring the connection state of the power management unit and the power supply interface;
if the power management unit is connected with the power supply interface, the first battery in the bottom support is used as a power supply battery and is connected to a power supply loop;
and if the power management unit is not connected with the power supply interface, the second battery in the earphone body is used as a power supply battery and is connected to a power supply loop.
2. The power supply control method according to claim 1, wherein a charging interface for connecting an external power supply is further arranged in the bottom support; after determining that the power management unit is connected to the power supply interface, the method further includes:
judging whether an access signal of an external power supply is received;
if yes, judging whether the second battery is full of electric quantity;
if the second battery is full of electricity, the first battery is connected to a power supply loop and is charged; continuously judging whether the second battery is full of electric quantity;
if the second battery is not full of electricity, the second battery is connected to a power supply loop and is charged; and continuously judging whether the second battery is full of electric quantity.
3. The power supply control method according to claim 2, further comprising, after determining that the access signal of the external power supply is not received:
judging whether the electric quantity of the first battery is higher than a preset threshold value;
if so, taking the first battery as a power supply battery and accessing the power supply circuit;
and if not, taking the second battery as a power supply battery and accessing the power supply circuit.
4. The power supply control method according to any one of claims 1 to 3, wherein the accessing the first battery in the base as the power supply battery into the power supply loop comprises:
sending a switch closing signal to a corresponding switch of the first battery, and sending a switch closing signal to a corresponding switch of the second battery;
the access power supply circuit of taking the second battery in the earphone body as the power supply battery includes:
and sending a switch turn-off signal to a corresponding switch of the first battery, and sending a switch turn-on signal to a corresponding switch of the second battery.
5. The intelligent communication wrist strap device is characterized by comprising an earphone body and a bottom support, wherein the earphone body can be selectively arranged on the bottom support;
the earphone body is provided with a base, wherein the base is internally provided with a first battery, a power supply interface and a charging interface for connecting an external power supply, and the power supply interface is used for connecting a power supply management unit in the earphone body when the earphone body is in an installation state; a second battery is arranged in the earphone body;
the control unit in the earphone body is used for selecting the first battery or the second battery to supply power by controlling the switch circuit in the power management unit.
6. The smart phone wristband apparatus of claim 5 wherein the first battery is a flexible battery built into the underwire wristband.
7. The intelligent communication wristband device of claim 6, wherein the charging interface is connected by a spring piece and is disposed at the tail end of the short wristband of the bottom support.
8. The smart phone wristband apparatus of any one of claims 5 to 7, wherein the power interface is in a contact connection.
9. A power supply control device characterized by comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the power supply control method of the smart phone wristband device according to any one of claims 1 to 4.
10. A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, is configured to implement the steps of the power supply control method of an intelligent call wristband device according to any one of claims 1 to 4.
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| CN105491473A (en) * | 2016-02-02 | 2016-04-13 | 深圳威武智能科技有限公司 | Bluetooth earphone with continuous power supply |
| CN206062350U (en) * | 2016-09-07 | 2017-04-05 | 歌尔科技有限公司 | Intelligent spire lamella |
| CN108513632A (en) * | 2017-04-12 | 2018-09-07 | 深圳市柔宇科技有限公司 | Smartwatch and its power management system and electric quantity managing method |
| CN208507179U (en) * | 2018-05-18 | 2019-02-15 | 深圳傲智天下信息科技有限公司 | A kind of TWS earphone, Wrist belt-type AI voice interaction device and system |
| CN110313685A (en) * | 2019-06-25 | 2019-10-11 | 华勤通讯技术有限公司 | Intelligent bracelet and its charge control method |
| CN110944264A (en) * | 2019-12-05 | 2020-03-31 | 广州酷狗计算机科技有限公司 | Wireless earphone and wireless earphone system |
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