CN116847239A - TWS earphone system with UWB positioning and searching functions and searching method - Google Patents
TWS earphone system with UWB positioning and searching functions and searching method Download PDFInfo
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- CN116847239A CN116847239A CN202310997811.2A CN202310997811A CN116847239A CN 116847239 A CN116847239 A CN 116847239A CN 202310997811 A CN202310997811 A CN 202310997811A CN 116847239 A CN116847239 A CN 116847239A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004904 shortening Methods 0.000 claims abstract description 4
- 238000005728 strengthening Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details 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)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a TWS earphone system with UWB positioning and searching functions and a searching method, which belong to the technical field of TWS earphones and comprise the following steps: step 1, when finding that one earphone cannot be found, entering a mode of searching for the earphone by operating a key on a charging box; step 2, the charging box is connected with the UWB signal receiving device through Bluetooth, the position and the angle of the charging box are adjusted, and the UWB signal receiving device prompts the signal intensity; step 3, determining the direction of losing the earphone by continuously adjusting the angle of the charging box, searching along the direction of gradually strengthening the signal, gradually narrowing the searching range through the feedback of the signal, and shortening the distance between the signal and the lost earphone; and 4, continuously adjusting the search of the angle through UWB positioning until the lost earphone is found. The invention greatly increases the possibility of finding out the lost earphone by starting the UWB positioning searching function, and reduces the unnecessary waste caused by that only one earphone is purchased again because of losing.
Description
Technical Field
The invention relates to the technical field of TWS earphones, in particular to a TWS earphone system with a UWB positioning and searching function and a searching method.
Background
With the maturity of wireless audio transmission technology, TWS headphones are increasingly entering the consumer electronics market. TWS headphones are favored by consumers in terms of their compact appearance and high quality sound experience, and are therefore a key product for the competing development of various manufacturers. However, in the daily use process, a situation that the user does not wear two TWS headphones at the same time often occurs. For example, it is likely that a user will wear only one side TWS headset, while placing the other side TWS headset in a place other than the headset case; alternatively, a pair of TWS headphones appears to be worn by two different individuals for a considerable period of time. Based on the existence of the above situation, the TWS earphone is likely to not be retracted into the earphone box in time, so that the user forgets where the earphone is located, or the situation that the earphone cannot be found when the user needs to use the earphone, or the earphone is lost is caused. There are some ways to find lost headphones by using bluetooth positioning, but the accuracy of bluetooth positioning is generally in the range of 2-5 meters, and once the lost environment is disordered, it is difficult to find the lost headphones by using the method. Therefore, there is a need for a TWS headset system with UWB location finding function and a method of finding lost headphones.
Disclosure of Invention
The invention aims to provide a TWS earphone system with a UWB positioning and searching function and a searching method, and solves the problem that positioning accuracy is poor and difficult to find when a lost earphone is searched in the technology.
In order to achieve the above object, the present invention provides a TWS earphone system with UWB positioning and finding function, which includes a TWS earphone body and a charging box adapted to the TWS earphone body, wherein the TWS earphone body and the charging box each include a UWB module, a UWB antenna, a power module and a battery unit;
the TWS earphone body further comprises a Bluetooth chip with an MCU, a loudspeaker unit, a microphone unit, a sensor unit, a clock unit, an interface unit and a Bluetooth antenna unit, wherein the Bluetooth chip is internally provided with the MCU;
the charging box further comprises an MCU, a clock unit, a key unit indicator lamp unit, a USB interface, a Bluetooth unit and a battery interface unit, wherein the clock unit is electrically connected with the MCU;
the UWB module comprises a super-bandwidth radio frequency communication chip and is used for receiving and transmitting UWB.
Preferably, the number of UWB antennas inside the charging box is not less than two.
A searching method of TWS earphone system with UWB positioning searching function includes the following steps:
step 1, when finding that one earphone cannot be found, entering a mode of searching for the earphone by operating a key on a charging box;
step 2, the charging box is connected with the UWB signal receiving device through Bluetooth, the position and the angle of the charging box are adjusted, and the UWB signal receiving device prompts the signal intensity;
step 3, determining the direction of losing the earphone by continuously adjusting the angle of the charging box, searching along the direction of gradually strengthening the signal, gradually narrowing the searching range through the feedback of the signal, and shortening the distance between the signal and the lost earphone;
and 4, continuously adjusting the search of the angle through UWB positioning until the lost earphone is found.
Preferably, the signal strength in the step 2 is strong, medium and weak.
Preferably, the UWB signal receiving device in the step 2 is an untapped earphone or a mobile phone with an APP installed.
Preferably, when the charging box is connected with the non-lost earphone in a pairing manner through Bluetooth, the UWB module in the charging box receives the UWB signal emitted by the lost earphone, and then sends a corresponding voice signal of which the signal is being enhanced and the signal is being weakened to the non-lost earphone through comparison with the set signal strength.
Preferably, when the charging box is connected with a mobile phone provided with an APP through Bluetooth, the UWB module in the charging box receives a UWB signal transmitted by the lost earphone and feeds the UWB signal back through an APP interface of the mobile phone end.
Preferably, the accuracy of the UWB positioning is no greater than 10 cm.
Therefore, the TWS earphone system with the UWB positioning searching function and the searching method are adopted, the accuracy of searching for the lost earphone is improved by adding the UWB module on the TWS earphone body and the charging box, and the problem that the positioning accuracy is poor when the lost earphone is searched for in the traditional method is solved.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of the control logic for finding lost headphones according to the present invention;
FIG. 2 is a logic block diagram of a TWS headset body of the present invention;
fig. 3 is a logic block diagram of the charging cartridge of the present invention.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1-3, a TWS earphone system with UWB positioning and searching function includes a TWS earphone body and a charging box adapted to the TWS earphone body;
the TWS earphone body comprises a Bluetooth chip with an MCU, a UWB module electrically connected with the Bluetooth chip, at least two paths of UWB antennas, a loudspeaker unit, a microphone unit, a sensor unit, a clock unit, an interface unit, a Bluetooth antenna unit, a power module and a battery unit;
a clock unit: the clock frequency is used for providing the working required clock frequency for the Bluetooth chip and the UWB module; sensor unit: the method is used for identifying various action triggers and transmitting corresponding variable quantities to an MCU in the Bluetooth chip; microphone unit: picking up a voice signal and transmitting the voice signal to a Bluetooth chip; horn unit: outputting a sound signal; bluetooth chip: the MCU part is arranged in the system, processes the system and comprises a radio frequency function module and the like; bluetooth antenna unit: for receiving and transmitting radio frequency signals; interface unit: after the TWS earphone is placed into the charging box, the TWS earphone is charged through the interface, or a control command is sent to the TWS earphone; and a power supply module: converting the battery voltage into voltages within the working range of each chip; a battery cell: typically a lithium battery, for powering the system; the UWB module comprises a super-bandwidth radio frequency communication chip and is used for receiving and transmitting UWB;
the charging box comprises an MCU, a clock unit electrically connected with the MCU, a key unit indicator lamp unit, a USB interface, a Bluetooth unit, a battery interface unit, a UWB module, a UWB antenna, a power module and a battery unit;
the clock unit is used for providing clock frequency required by work for the MCU and the UWB module; the key unit is used for entering various working modes; an indication lamp unit for indicating various working states and the residual quantity of the charging box; the USB interface is used for charging and communicating the charging box; the MCU is used for controlling various operations of the whole charging box; the Bluetooth unit is used for receiving and transmitting radio frequency signals; the battery interface unit is used for charging and communicating the TWS earphone placed in the charging box through the interface; the power module converts the battery voltage into the voltage in the working range of each chip; the battery unit is generally a lithium battery and is used for supplying power to the system; the boosting unit is used for boosting the battery voltage and then charging the battery in the TWS earphone; the UWB module comprises a super-bandwidth radio frequency communication chip and is used for receiving and transmitting UWB.
A searching method of TWS earphone system with UWB positioning searching function includes the following steps:
step 1, when finding that one earphone cannot be found, entering a mode of searching for the earphone by operating a key on a charging box;
step 2, the charging box is connected with the UWB signal receiving device through Bluetooth, the position and the angle of the charging box are adjusted, the UWB signal receiving device prompts the signal intensity, and the signal intensity is strong, medium and weak;
step 3, determining the direction of losing the earphone by continuously adjusting the angle of the charging box, searching along the direction of gradually strengthening the signal, gradually narrowing the searching range through the feedback of the signal, and shortening the distance between the signal and the lost earphone;
and 4, continuously adjusting the search of the angle through UWB positioning until the lost earphone is found, wherein the precision of UWB positioning is not more than 10 cm.
The UWB signal receiving device in step 2 is an untapped earphone or a mobile phone with an APP installed. When the charging box is connected with the non-lost earphone in a pairing manner through Bluetooth, the UWB module in the charging box receives UWB signals emitted by the lost earphone, and the UWB signals are compared with the set signal intensity so as to send corresponding voice signals of 'signal enhancement' and 'signal weakening' to the non-lost earphone. When the charging box is connected with a mobile phone provided with an APP through Bluetooth, the UWB module in the charging box receives a UWB signal transmitted by the lost earphone and feeds the UWB signal back through an APP interface of the mobile phone end.
Therefore, the TWS earphone system with the UWB positioning and searching function and the searching method are adopted to solve the problem that the positioning accuracy is poor and difficult to find when the traditional earphone is lost in searching in the prior art. The invention greatly increases the possibility of finding out the lost earphone by starting the UWB positioning searching function, and reduces the unnecessary waste caused by that only one earphone is purchased again because of losing.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (8)
1. A TWS headset system with UWB location finding function, characterized by: the TWS earphone comprises a TWS earphone body and a charging box matched with the TWS earphone body, wherein the TWS earphone body and the charging box comprise a UWB module, a UWB antenna, a power supply module and a battery unit;
the TWS earphone body further comprises a Bluetooth chip with an MCU, a loudspeaker unit, a microphone unit, a sensor unit, a clock unit, an interface unit and a Bluetooth antenna unit, wherein the Bluetooth chip is internally provided with the MCU;
the charging box further comprises an MCU, a clock unit, a key unit indicator lamp unit, a USB interface, a Bluetooth unit and a battery interface unit, wherein the clock unit is electrically connected with the MCU;
the UWB module comprises a super-bandwidth radio frequency communication chip and is used for receiving and transmitting UWB.
2. The TWS headset system with UWB location finding function of claim 1, wherein: the number of UWB antennas inside the charging box is not less than two.
3. The searching method of the TWS earphone system with the UWB positioning searching function is characterized by comprising the following steps of:
step 1, when finding that one earphone cannot be found, entering a mode of searching for the earphone by operating a key on a charging box;
step 2, the charging box is connected with the UWB signal receiving device through Bluetooth, the position and the angle of the charging box are adjusted, and the UWB signal receiving device prompts the signal intensity;
step 3, determining the direction of losing the earphone by continuously adjusting the angle of the charging box, searching along the direction of gradually strengthening the signal, gradually narrowing the searching range through the feedback of the signal, and shortening the distance between the signal and the lost earphone;
and 4, continuously adjusting the search of the angle through UWB positioning until the lost earphone is found.
4. A method for locating a TWS headset system with UWB location finding function according to claim 3, wherein: the signal intensity in the step 2 is strong, medium and weak.
5. A method for locating a TWS headset system with UWB location finding function according to claim 3, wherein: the UWB signal receiving device in the step 2 is an undesireable earphone or a mobile phone with an APP installed.
6. The method for searching for a TWS headset system with UWB positioning and searching function of claim 5, wherein: when the charging box is connected with the non-lost earphone through Bluetooth pairing, the UWB module in the charging box receives UWB signals emitted by the lost earphone, and the UWB signals are compared with the set signal intensity so as to send corresponding voice signals to the non-lost earphone.
7. The method for searching for a TWS headset system with UWB positioning and searching function of claim 5, wherein: when the charging box is connected with a mobile phone provided with an APP through Bluetooth, the UWB module in the charging box receives a UWB signal transmitted by the lost earphone and feeds the UWB signal back through an APP interface of the mobile phone end.
8. A method for locating a TWS headset system with UWB location finding function according to claim 3, wherein: the accuracy of the UWB positioning is no greater than 10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310997811.2A CN116847239A (en) | 2023-08-09 | 2023-08-09 | TWS earphone system with UWB positioning and searching functions and searching method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310997811.2A CN116847239A (en) | 2023-08-09 | 2023-08-09 | TWS earphone system with UWB positioning and searching functions and searching method |
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| CN116847239A true CN116847239A (en) | 2023-10-03 |
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| CN202310997811.2A Pending CN116847239A (en) | 2023-08-09 | 2023-08-09 | TWS earphone system with UWB positioning and searching functions and searching method |
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| CN112040361A (en) * | 2020-09-03 | 2020-12-04 | Oppo广东移动通信有限公司 | Earphone control method, earphone control device and storage medium |
| CN212486738U (en) * | 2020-03-11 | 2021-02-05 | 深圳市三嘉立信科技有限公司 | Tracking type wireless earphone charging box |
| CN113411713A (en) * | 2021-06-29 | 2021-09-17 | 紫优科技(深圳)有限公司 | Positioning method and system based on box and double earphones |
| CN113423059A (en) * | 2021-06-21 | 2021-09-21 | 歌尔智能科技有限公司 | Equipment positioning method, device and system and readable storage medium |
| WO2022042112A1 (en) * | 2020-08-31 | 2022-03-03 | Oppo广东移动通信有限公司 | Searching and positioning method and apparatus, electronic device, and storage medium |
| CN115715008A (en) * | 2022-10-31 | 2023-02-24 | 歌尔科技有限公司 | Earphone positioning method, system, electronic equipment and computer readable storage medium |
-
2023
- 2023-08-09 CN CN202310997811.2A patent/CN116847239A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212486738U (en) * | 2020-03-11 | 2021-02-05 | 深圳市三嘉立信科技有限公司 | Tracking type wireless earphone charging box |
| WO2022042112A1 (en) * | 2020-08-31 | 2022-03-03 | Oppo广东移动通信有限公司 | Searching and positioning method and apparatus, electronic device, and storage medium |
| CN112040361A (en) * | 2020-09-03 | 2020-12-04 | Oppo广东移动通信有限公司 | Earphone control method, earphone control device and storage medium |
| CN113423059A (en) * | 2021-06-21 | 2021-09-21 | 歌尔智能科技有限公司 | Equipment positioning method, device and system and readable storage medium |
| CN113411713A (en) * | 2021-06-29 | 2021-09-17 | 紫优科技(深圳)有限公司 | Positioning method and system based on box and double earphones |
| CN115715008A (en) * | 2022-10-31 | 2023-02-24 | 歌尔科技有限公司 | Earphone positioning method, system, electronic equipment and computer readable storage medium |
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