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EP-3930341-B1 - EARPHONE WITH KEYLESS CONTROL APPARATUS

EP3930341B1EP 3930341 B1EP3930341 B1EP 3930341B1EP-3930341-B1

Inventors

  • GUO, Shiwen
  • YU, XIN
  • YANG, HUI
  • HE, Xuming
  • QIN, Xianzhuo
  • SHI, RUIWEN
  • WU, HAIQUAN

Dates

Publication Date
20260506
Application Date
20200220

Claims (7)

  1. An earphone comprising a keyless control device arranged in the earphone, wherein the earphone comprises a left-ear component and a right-ear component, and the keyless control device comprises: a first infrared sensor module (01), which is configured to generate an infrared trigger signal when the earphone is in a wearing state; a Bluetooth controller (02), which is connected with the first infrared sensor module and is configured to generate a first enable signal, a second enable signal, a third enable signal and a fourth enable signal according to the infrared trigger signal; a left-ear infrared sensor module (03), which is connected with the Bluetooth controller (02) and is configured to generate a first detection signal according to the first enable signal when detecting that the left-ear component is swept past by a user's hand; a right-ear infrared sensor module (04), which is connected with the Bluetooth controller (02) and is configured to generate a second detection signal according to the second enable signal when detecting that the right-ear component is swept past by the user's hand; a left-ear acceleration sensor module (05), which is connected with the Bluetooth controller (02) and is configured to generate a third detection signal according to the third enable signal when detecting that the left-ear component is knocked; and a right-ear acceleration sensor module (06), which is connected with the Bluetooth controller (02) and is configured to generate a fourth detection signal according to the fourth enable signal when detecting that the right-ear component is knocked; the Bluetooth controller (02) is further configured to perform functions corresponding to the first detection signal, the second detection signal, the third detection signal and the fourth detection signal; wherein the functions corresponding to the first detection signal, the second detection signal, the third detection signal and the fourth detection signal comprise playing, answering a phone call, hanging up a phone call, refusing a phone call, switching to a last song and switching to a next song; characterized in that the keyless control device further comprises: a Hall sensor module (07), which is configured to detect whether the left-ear component and the right-ear component are in an attracted state, and trigger the Bluetooth control module (02) to generate a first switch signal and a second switch signal when the left-ear component and the right-ear component are not in the attracted state; a first left-ear power module (08), which is connected with the Bluetooth control module (02), the first infrared sensor module (01), the left-ear infrared sensor module (03) and the left-ear acceleration sensor module (05), and is configured to generate a first power signal according to the first switch signal and a power supply (VBAT), and supply the first power signal to the first infrared sensor module (01), the left-ear infrared sensor module (03) and the left-ear acceleration sensor module (05); a second left-ear power module (09), which is connected with the Bluetooth control module (02), the first infrared sensor module (01), the left-ear infrared sensor module (03) and the left-ear acceleration sensor module (05), and is configured to generate a second power signal according to the second switch signal and the power supply (VBAT), and supply the second power signal to the first infrared sensor module (01), the left-ear infrared sensor module (03) and the left-ear acceleration sensor module (05); a first right-ear power module (10), which is connected with the Bluetooth control module (02), the first infrared sensor module (01), the right-ear infrared sensor module (04) and the right-ear acceleration sensor module (06), and is configured to generate a third power signal according to the first switch signal and the power supply (VBAT), and supply the third power signal to the first infrared sensor module (01), the right-ear infrared sensor module (04) and the right-ear acceleration sensor module (06); and a second right-ear power module (11), which is connected with the Bluetooth control module (02), the first infrared sensor module (01), the right-ear infrared sensor module (04) and the right-ear acceleration sensor module (06), and is configured to generate a fourth power signal according to the second switch signal and the power supply (VBAT), and supply the fourth power signal to the first infrared sensor module (01), the right-ear infrared sensor module (04) and the right-ear acceleration sensor module (06); wherein the Hall sensor module (07) comprises a Hall sensor (U3) and a magnet arranged in the left-ear component and the right-ear component respectively, the Hall sensor (U3) is configured to generate a Hall trigger signal when detecting that the left-ear component and the right-ear component are not in the attracted state and output the Hall trigger signal to the Bluetooth controller (02), and the Bluetooth controller (02) generates the first switch signal and the second switch signal according to the Hall trigger signal, wherein the Hall sensor (U3) determines whether the left-ear component and the right-ear component are in the attracted state by detecting a magnetic field of the magnet; the first infrared sensor module (01), the left-ear infrared sensor module (03), the left-ear acceleration sensor module (05), the right-ear infrared sensor module (04) and the right-ear acceleration sensor module (06), the first left-ear power module (08), the second left-ear power module (09), the first right-ear power module (10), and the second right-ear power module (11) stop working when the left-ear component and the right-ear component are in the attracted state; the Bluetooth controller (02) comprises a Bluetooth control chip (U6), a Bluetooth RF chip (U7), an antenna (ANT), a first inductor (L1), a second inductor (L2), an eighth capacitor (C8), and a ninth capacitor (C9); the antenna (ANT) and a first end of the first inductor (L1) are connected with a first end of the ninth capacitor (C9), a second end of the first inductor (L1) and a first end of the eighth capacitor (C8) are connected with a signal input of the Bluetooth RF chip (U7), and a signal output of the Bluetooth RF chip (U7) is connected with a first end of the second inductor (L2), and a second end of the second inductor (L2) is connected with a Bluetooth signal input of the Bluetooth control chip (U6), a system control terminal of the Bluetooth control chip (U6) is a Hall trigger signal input of the Bluetooth controller (02), and a first programmable data input/output (PI03) of the Bluetooth control chip (U6) is a first switch signal output of the Bluetooth controller (02), a second programmable data input/output (PI02) of the Bluetooth control chip (U6) is a second switch signal output of the Bluetooth controller (02), a third programmable data input/output (PI020) and a fourth programmable data input/output (PI021) are a wearing-state trigger signal output of the Bluetooth controller (02), a fifth programmable data input/output (PI04) of the Bluetooth control chip (U6) is a first enable signal output of the Bluetooth controller (02), a sixth programmable data input/output (PI05) of the Bluetooth control chip (U6) is a second enable signal output of the Bluetooth controller (02), a seventh programmable data input/output (PI018) of the Bluetooth control chip (U6) is a third enable signal output of the Bluetooth controller (02), an eighth programmable data input/output (PI019) of the Bluetooth control chip (U6) is a fourth enable signal output of the Bluetooth controller (02), a ninth programmable data input/output (PI016) of the Bluetooth control chip (U6) and a tenth programmable data input/output (PI015) of the Bluetooth control chip (U6) constitute a detection signal input of the Bluetooth controller (02) together.
  2. The earphone according to claim 1, characterized in that , each of the first left-ear power module (08) and the first right-ear power module (10) comprises a first power supply unit, and the first power supply unit comprises a first power conversion chip (U1), a first capacitor (C1) and a second capacitor (C2); both a power input of the first power conversion chip (U1) and a first end of the first capacitor (C1) are connected with the power supply, a power output of the first power conversion chip (U1) and a first end of the second capacitor (C2) constitute an output terminal of the first power supply unit together, an enable terminal of the first power conversion chip (U1) is a first switch signal input of the first power supply unit, a GND terminal of the first power conversion chip (U1), a second end of the first capacitor (C1) and a second end of the second capacitor (C2) are commonly grounded.
  3. The earphone according to claim 1, characterized in that , each of the second left-ear power module (09) and the second right-ear power module (11) comprises a second power supply unit, and the second power supply unit comprises a second power conversion chip (U2), a third capacitor (C3) and a fourth capacitor (C4); both a power input of the second power conversion chip (U2) and a first end of the third capacitor (C3) are connected with the power supply, a power output of the second power conversion chip (U2) and a first end of the fourth capacitor (C4) constitute an output terminal of the second power supply unit together, an enable terminal of the second power conversion chip (U2) is a second switch signal input of the second power supply unit, a GND terminal of the second power conversion chip (U2), a second end of the third capacitor (C3) and a second end of the fourth capacitor (C4) are commonly grounded.
  4. The earphone of claim 1, characterized in that , the Hall sensor module (07) comprises a fifth capacitor (C5), and a first resistor (R1); both a power terminal of the Hall sensor (U3) and a first end of the fifth capacitor (C5) are connected with the power supply, a data output of the Hall sensor (U3) is connected with a first end of the first resistor (R1), a second end of the first resistor (R1) is an output of the Hall sensor module (07), and a GND terminal of the Hall sensor (U3) is grounded.
  5. The earphone according to claim 1, characterized in that , the infrared trigger signal comprises a first infrared trigger signal and a second infrared trigger signal, the first infrared sensor module comprises: a first wearable-state detection module (011) configured to generate the first infrared trigger signal when detecting that the left-ear component is in a wearing state; a second wearable-state detection module (012) configured to generate the second infrared trigger signal when detecting that the right-ear component is in a wearing state.
  6. The earphone according to claim 5, characterized in that , each of the first wearable-state detection module (011), the second wearable-state detection module (012), the left-ear infrared sensor module (03) and the right-ear infrared sensor module (04) comprises an infrared sensor unit, and the infrared sensor unit comprises an infrared sensor (U4), a sixth capacitor (C6), a second resistor (R2) , a third resistor (R3) and a fourth resistor (R4); an interrupt terminal of the infrared sensor (U4) and a first end of the second resistor (R2) constitute a control signal input of the infrared sensor unit together, a power terminal of the infrared sensor (U4) and a first end of the sixth capacitor (C6) constitute a first power input of the infrared sensor unit, a data terminal and a clock terminal of the infrared sensor (U4), a first end of the third resistor (R3) and a first end of the fourth resistor (R4) constitute a detection signal output of the infrared sensor unit together, a second end of the second resistor (R2), a second end of the third resistor (R3), and a second end of the fourth resistor (R4) constitute a second power input of the infrared sensor unit together, a GND terminal of the infrared sensor (U4) and a second end of the sixth capacitor (C6) are commonly grounded.
  7. The earphone according to claim 1, characterized in that , each of the left-ear acceleration sensor module (05) and the right-ear acceleration sensor module (06) comprises an acceleration sensor unit, and the acceleration sensor unit comprises an acceleration sensor (U5), a seventh capacitor (C7), a fifth resistor (R5), a sixth resistor (R6) and a seventh resistor (R7); a first end of the acceleration sensor (U5) and a first end of the fifth resistor (R5) constitute a control signal input of the acceleration sensor unit, a power terminal of the acceleration sensor (U5) and a first end of the seventh capacitor (C7) constitute a first power input of the acceleration sensor unit together, a data terminal of the acceleration sensor (U5), a first end of the sixth resistor (R6) and a first end of the seventh resistor (R7) constitute a detection signal output of the acceleration sensor unit together, a second end of the fifth resistor (R5), a second end of the sixth resistor (R6), and a second end of the seventh resistor (R7) constitute a second power input of the acceleration sensor unit together, and a GND terminal of the acceleration sensor (U5) and a second end of the seventh capacitor (C7) are commonly grounded.

Description

TECHNICAL FIELD The present application relates to the technical field of electronics, and particularly relates to a keyless control device and an earphone. BACKGROUND The statements herein merely provide background information related to the present application, but do not necessarily constitute as the prior art. A conventional earphone includes a Bluetooth controller and multiple keys. These keys generate key signals according to user inputs, and the Bluetooth controller performs corresponding functions according to the key signals output by the different keys. For example, a prior art document D1 (US2018/277123A1) discloses a method for controlling an loT from one or more wireless earpieces, this method may include one or more of the following steps: (a) associating the one or more wireless earpieces with the loT, (b) receiving user input from a user wearing the one or more wireless earpieces, (c) sending a command to a peripheral within the loT to execute an instruction from the one or more wireless earpieces or a wireless device linked with the one or more wireless earpieces, (d) verifying the user is authorized to utilize the peripheral, (e) associating the user input with the command, and (f) automatically connecting to the peripheral as a nearest one of a plurality of peripherals. A prior art document D2 (US2015/230019A1) discloses an electronic wearable device including an electrical cord for carrying electrical signals. An electrical power module includes an interface for detachable connection to the electrical cord. A first audio module includes an interface for detachable connecting to the electrical cord. A second audio module includes an interface for detachable connecting to the electrical cord. The electrical cord is configured to support the first audio module and the second audio module thereon. A controller module controls the first audio module and the second audio module. A prior art document D3 (US2017/347178A1) discloses a wireless in-ear utility device that rests in the user's ear canal near the user's eardrum. The in-ear utility device may be configured in a variety of ways, including, but in no way limited to a smart in-ear utility device, a flexible personal sound amplification product, a personal music player, a "walkie-talkie" and the like. However, it is difficult to design a water-proof earphone and the control of the earphone is inconvenient due to the multiple keys. Thus, it is difficult to design a waterproof earphone and the control of the earphone is inconvenient because that the traditional earphone is provided with multiple keys. SUMMARY OF THE PRESENT APPLICATION TECHNICAL PROBLEM The present application provides a keyless control device and an earphone, which aim to solve the technical problem that the traditional keyless control device has multiple keys, so that it is difficult to make a waterproof design and the control is inconvenient. TECHNICAL SOLUTION FOR SOLVING THE TECHNICAL PROBLEM TECHNICAL SOLUTION In order to solve the aforesaid technical problem, the technical solutions adopted in the embodiments of the present application are as follows: The present application is implemented in this way, an earphone comprising a keyless control device in the earphone, the earphone comprises a left-ear component and a right-ear component, and the keyless control device includes: a first infrared sensor module, which is configured to generate an infrared trigger signal when the earphone is in a wearing state;a Bluetooth controller, which is connected with the first infrared sensor module and is configured to generate a first enable signal, a second enable signal, a third enable signal and a fourth enable signal according to the infrared trigger signal and perform functions corresponding to a first detection signal, a second detection signal, a third detection signal and a fourth detection signal;a left-ear infrared sensor module, which is connected with the Bluetooth controller and is configured to generate a first detection signal according to the first enable signal when detecting that the left-ear component is swept past by a user's hand;a right-ear infrared sensor module, which is connected with the Bluetooth controller and is configured to generate a second detection signal according to the second enable signal when detecting that the right-ear component is swept past by the user's hand;a left-ear acceleration sensor module, which is connected with the Bluetooth controller and is configured to generate a third detection signal according to the third enable signal when detecting that the left-ear component is knocked; anda right-ear acceleration sensor module, which is connected with the Bluetooth controller and is configured to generate a fourth detection signal according to the fourth enable signal when detecting that the right-ear component is knocked;the Bluetooth controller is further configured to perform functions corresponding to the first detection signal, th