A control method and system of a bluetooth helmet module

Abstract

The present application relates to the technical field of cycling helmets, and particularly relates to a control method and system of a Bluetooth helmet module, the control method comprising: connecting a remote controller and a terminal device through a Bluetooth module, and carrying out noise reduction processing and key vocabulary marking on a language instruction through a voice recognition module; activating a voice assistant of a user terminal device through the processed language instruction; selecting any one of a music mode, a call mode and an interactive mode based on an analysis result of a wind-dry evaluation value; determining a volume proportion of earphones and bone conduction devices based on the determined working mode; and secondarily adjusting the volume through a feedback button based on a volume receiving effect after a first adjustment, so that the Bluetooth helmet is more convenient to use, and the communication technology of the Bluetooth helmet is researched and developed, so that noise reduction of the Bluetooth helmet is ignored, and sound is clearer when the Bluetooth helmet is used.

Description

Technical Field

[0001] This invention relates to the field of Bluetooth helmet technology, and in particular to a control method and system for a Bluetooth helmet module. Background Technology

[0002] When an accident occurs, a cycling helmet can absorb most of the impact force, providing cushioning and shock absorption protection. This can reduce the proportion of injured people by 70% and the mortality rate by 40%. The head injury rate without a helmet is 2.5 times that of wearing a helmet, and the fatal injury rate is 1.5 times that of wearing a helmet. For drivers of two-wheeled vehicles, a helmet is equivalent to a seat belt for car drivers, serving as the last line of defense for cyclists in dangerous situations.

[0003] Chinese Patent Publication No. CN106230460A discloses a control method and system for a multifunctional smart helmet. The smart helmet includes a microphone, a voice recognition component, a speaker, a control module, and a Bluetooth component. The method includes: collecting a user's wake-up information (including a wake-up word) through the microphone; performing noise reduction and recognition processing on the wake-up information using the voice recognition component to obtain recognized wake-up information; sending the recognized wake-up information to a user terminal via the Bluetooth component and activating the user terminal's voice assistant; collecting the user's audio information through the microphone, and sending the audio information to the user terminal via the smart helmet's BLE (Brain Element Interface) through the Bluetooth component, enabling the user terminal to perform corresponding operations based on the audio information; receiving parameter information sent by the user terminal's BLE or vehicle information sent by the vehicle's BLE through the Bluetooth component, and sending the parameter information or vehicle information to the control module; the control module performing corresponding operations based on the parameter information or vehicle information.

[0004] It is evident that existing technologies focus on developing Bluetooth helmet communication technology to make them more convenient to use, thus neglecting the issue of noise reduction to make the sound clearer during use. Summary of the Invention

[0005] Therefore, the present invention provides a control method and system for a Bluetooth helmet module, which overcomes the problem in the prior art that the communication technology of Bluetooth helmets is developed to make them more convenient to use, thereby neglecting to reduce noise in the Bluetooth helmets so that the sound is clearer when using them.

[0006] To achieve the above objectives, the present invention provides a control method for a Bluetooth helmet module.

[0007] Once the Bluetooth module connects to the terminal device and the connection is successful, the earphone will emit a pairing success prompt tone and the Bluetooth module indicator light will flash blue.

[0008] If the remote control fails to connect to the terminal device, the Bluetooth module indicator light will flash red and attempt to reconnect; if the Bluetooth module's battery is low, the Bluetooth module indicator light will turn yellow.

[0009] The language instructions are improved by performing noise reduction processing and highlighting key words;

[0010] The terminal device's voice assistant is activated by the improved language commands, and the voice assistant is used to play music and answer phone calls.

[0011] Determine any one of the following working modes: music mode, call mode, and interactive mode; calculate the wind noise evaluation value;

[0012] Based on the first data collected by the wind speed sensor module and the second data collected by the vehicle speed sensor module, the wind noise evaluation value for each working mode is calculated.

[0013] Based on the determined working mode, determine whether to turn on the bone conduction device and determine the volume ratio of the headphones and the bone conduction device.

[0014] Based on the volume reception effect after the first adjustment, the volume is adjusted a second time via the feedback button;

[0015] The headphone volume and bone conduction device volume are adjusted based on the preset overall volume; the status of the feedback button determines whether a secondary volume adjustment is needed.

[0016] For situations requiring secondary volume adjustment, the data analysis module adjusts the compensation parameter for the impact of wind noise evaluation value on headphone volume. The adjusted compensation parameter for the impact of wind noise evaluation value on volume is positively correlated with the compensation parameter for the impact of wind noise evaluation value on headphone volume. After adjusting the volume, the compensation parameter for the impact of wind noise evaluation value on volume can be cyclically adjusted again according to the adjustment frequency.

[0017] When adjusting the headphone volume to its maximum value still fails to meet the volume requirements, the data analysis module adjusts the compensation parameters for the impact of wind noise evaluation value on the volume of the bone conduction device.

[0018] Furthermore, during the ride, language commands are recognized through noise reduction and key word marking. These language commands are then used by the voice assistant to play or pause music and answer or hang up calls.

[0019] Furthermore, based on the failure to recognize the language command, the music is paused or the incoming call is answered or hung up.

[0020] Furthermore, based on the selected interaction mode, the Bluetooth module pairs with other helmet modules in the team. After successful pairing, the headset emits a team formation success prompt tone and the Bluetooth module indicator light flashes blue.

[0021] Another aspect of the present invention provides a control system for a Bluetooth helmet module, comprising,

[0022] The information transmission module is used to transmit information between the various components;

[0023] Voice command acquisition module, used to acquire language commands;

[0024] The data acquisition module is used to collect real-time wind speed and vehicle speed.

[0025] The data analysis module determines the activation conditions of the bone conduction device based on vehicle speed and wind speed;

[0026] The control module, which is connected to the data analysis module, is used to control the activation of the bone conduction device and to control the volume of the headphones and the volume of the bone conduction device.

[0027] Furthermore, it also includes a remote control with a feedback button for secondary adjustment of the overall volume;

[0028] Bluetooth control module, used to control the Bluetooth module's startup and shutdown;

[0029] The voice control module is used to control the overall volume and the transmission of voice information;

[0030] The speech recognition module is used to reduce noise and mark key words in speech commands;

[0031] The sensor group control module is used to control the vehicle speed sensor and wind speed sensor to collect data.

[0032] Compared with the prior art, the beneficial effect of the present invention is that the Bluetooth helmet is equipped with two corresponding in-ear headphones. When wearing it, the two in-ear headphones are first worn, and then the headphones are fixed by the in-ear headphone traction rope. Clearer sound can be obtained when using the headphones alone, and the sound output of the headphones inside the Bluetooth helmet is not greatly affected by the noise of the environment.

[0033] Furthermore, the Bluetooth helmet is equipped with a bone conduction device, which fits snugly against the back of the head when worn. When the bone conduction device is activated, it can improve the reception of audio information to counteract wind noise generated during cycling.

[0034] Furthermore, when the Bluetooth module is connected, its indicator light flashes blue when the connection is successful and flashes red when the connection fails. When the Bluetooth module's battery is low, its indicator light turns yellow, which can remind you whether the Bluetooth module is properly connected and whether the Bluetooth module's battery is sufficient, thus avoiding a deterioration in the riding experience due to insufficient Bluetooth module battery.

[0035] Furthermore, the voice recognition module enables control over song playback or pause, as well as answering or hanging up incoming calls, allowing for more convenient operation of the helmet module. If wind noise is excessive, audio information can be controlled via remote control to prevent unclear voice commands caused by excessive wind noise, thus avoiding errors in voice assistant recognition of the voice commands.

[0036] Furthermore, the data analysis module calculates and generates a wind noise evaluation value based on the first data collected by the wind speed sensor and the second data collected by the vehicle speed sensor. The data analysis module has a preset first wind noise evaluation value and a second wind noise evaluation value. If the wind noise evaluation value is less than the first wind noise evaluation value, the helmet mode uses headphones to answer voice calls, which can avoid using bone conduction devices to increase power consumption and allows for more precise adjustment of the headphone volume.

[0037] Furthermore, the data analysis module calculates and generates a wind noise evaluation value based on the first data collected by the wind speed sensor and the second data collected by the vehicle speed sensor. The data analysis module has preset a first wind noise evaluation value and a second wind noise evaluation value. If the wind noise evaluation value is less than the second wind noise evaluation value but greater than the first wind noise evaluation value, then the helmet mode uses headphones and a bone conduction device for voice reception. The volume of the headphones is the primary factor, and the volume of the bone conduction device is secondary. This can avoid the ear damage caused by excessive headphone volume and make the reception of voice content clearer.

[0038] Furthermore, the data analysis module calculates and generates a wind noise evaluation value based on the first data collected by the wind speed sensor and the second data collected by the vehicle speed sensor. The data analysis module has preset a first wind noise evaluation value and a second wind noise evaluation value. If the wind noise evaluation value is greater than the second wind noise evaluation value, the helmet mode uses headphones and bone conduction devices for voice reception. The volume of the bone conduction device is the primary factor, and the volume of the headphones is secondary. This can avoid the problem of not being able to hear the voice content clearly due to the low volume of the headphones, and the reception of the voice content is clearer.

[0039] Furthermore, the wind noise evaluation value can be adjusted to compensate for the impact of the headphone volume by adjusting the feedback button status. When the wind noise evaluation value is adjusted to the maximum value, adjusting the wind noise evaluation value to compensate for the impact of the bone conduction device volume can prevent the headphone volume from being too loud and causing damage to the eardrum, thus increasing the lifespan of the headphones.

[0040] Furthermore, after the volume is adjusted a second time, the data analysis unit adjusts the wind noise evaluation value. When the volume is increased, the wind noise evaluation value is decreased, and when the volume is decreased, the wind noise evaluation value is increased. This can avoid the discomfort caused by the voice being too soft to hear clearly or the eardrum being damaged by the ear being too loud, thus meeting the volume requirements in different working modes.

[0041] Furthermore, the analysis and processing module can determine the conditions for activating the bone conduction device according to the wind noise in different working modes, which can prevent the bone conduction device from activating too early and wasting the helmet module battery power, so that voice information can be heard clearly during use to avoid communication obstacles and unnecessary detours caused by not hearing road information. Attached Figure Description

[0042] Figure 1 This is a flowchart of the control method for the Bluetooth helmet module in Embodiment 1.

[0043] Figure 2 This is a flowchart of the control method for the Bluetooth helmet module in Embodiment 2.

[0044] Figure 3 This is a flowchart of the control method for the Bluetooth helmet module in Embodiment 3.

[0045] Figure 4 This is a flowchart illustrating the control system workflow of the Bluetooth helmet module in this embodiment.

[0046] Figure 5 This is a flowchart of the control method for the Bluetooth helmet module in this embodiment. Detailed Implementation

[0047] To make the objectives and advantages of the present invention clearer, the present invention will be further described below with reference to embodiments; it should be understood that the specific embodiments described herein are merely for explaining the present invention and are not intended to limit the present invention.

[0048] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0049] It should be noted that in the description of this invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc., which indicate directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and is not intended to indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this invention.

[0050] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0051] Please see Figures 1-4 As shown, Figure 1 This is a flowchart of the control method for the Bluetooth helmet module in Embodiment 1. Figure 2 This is a flowchart of the control method for the Bluetooth helmet module in Embodiment 2. Figure 3 This is a flowchart of the control method for the Bluetooth helmet module in Embodiment 3. Figure 4 This is a flowchart illustrating the control system workflow of the Bluetooth helmet module in this embodiment.

[0052] This embodiment provides a control method for a Bluetooth helmet module, applied to a Bluetooth helmet module, the Bluetooth helmet module comprising:

[0053] The remote control is used to manually turn the sound on and off for the headphones and bone conduction device.

[0054] The Bluetooth module is used to connect the remote control and the terminal device;

[0055] The speech recognition module is used to reduce noise in speech commands and mark key words;

[0056] Headphones are used to play music, receive voice commands, and conduct calls.

[0057] Bone conduction devices are used to increase sound volume;

[0058] Wind speed sensor module, used to measure real-time wind speed;

[0059] Vehicle speed sensor module, used to detect actual driving speed;

[0060] A microphone is used to transmit spoken commands.

[0061] The method includes,

[0062] Step S100: The Bluetooth module connects to the terminal device. After successful connection, the earphone emits a pairing success prompt tone and the Bluetooth module indicator light flashes blue.

[0063] Step S200: If the remote control fails to connect to the terminal device, the Bluetooth module indicator light flashes red and a reconnection is initiated; if the Bluetooth module power supply of the headset is low, the Bluetooth module indicator light turns yellow.

[0064] Step S300: Improve the language instructions by performing noise reduction processing and highlighting key words;

[0065] Step S400: Activate the terminal device's voice assistant through the improved language command, and use the voice assistant to play music and answer phone calls.

[0066] Step S500: Calculate the wind noise evaluation value, and determine any one of the music mode, call mode, and interactive mode based on the analysis results of the wind noise evaluation value.

[0067] Step S600: Based on the determined working mode, determine the volume ratio of the headphones and the bone conduction device;

[0068] Step S700: Based on the volume reception effect after the first adjustment, the volume is adjusted a second time via the feedback button.

[0069] Specifically, the beneficial effect of the present invention is that the Bluetooth helmet is equipped with two corresponding in-ear headphones. When wearing the headphones, the two in-ear headphones are first worn, and then the headphones are fixed by the in-ear headphone lanyard. This allows for clearer sound when using the headphones alone, and avoids the significant impact of ambient noise on the sound output of the headphones inside the Bluetooth helmet.

[0070] Specifically, the Bluetooth helmet is equipped with a bone conduction device that fits snugly against the back of the head when worn. When the bone conduction device is activated, it can improve the reception of audio information to counteract wind noise generated during cycling.

[0071] Specifically, when the Bluetooth module is connected, its indicator light will be blue and flashing when the connection is successful, and red and flashing when the connection fails. When the Bluetooth module's power is low, its indicator light will be yellow, which can remind you whether the Bluetooth module is connected properly and whether the Bluetooth module has enough power, so as to avoid a deterioration in the riding experience due to insufficient power of the Bluetooth module.

[0072] Specifically, during the ride, the system recognizes language commands through noise reduction and key word marking. These language commands are then used by the voice assistant to play or pause music and answer or hang up calls.

[0073] Specifically, the voice recognition module can control the playback or pause of songs and the answering or hanging up of incoming calls, making it easier to operate the helmet module. If the wind noise is too loud, the audio information can be controlled via remote control to avoid the voice assistant misrecognizing the voice commands due to unclear voice commands caused by excessive wind noise.

[0074] Specifically, based on the failure to recognize the language command, the music is paused or the incoming call is answered or hung up.

[0075] Specifically, based on the selected interaction mode, the Bluetooth module pairs with other helmet modules in the team. After successful pairing, the headset emits a team-up success prompt tone and the Bluetooth module indicator light flashes blue.

[0076] Specifically, the wind noise evaluation value for each working mode is calculated based on the first data collected by the wind speed sensor module and the second data collected by the vehicle speed sensor module.

[0077] Specifically, the data analysis module calculates the wind noise evaluation value F based on the data collected by the wind speed sensor and the vehicle speed sensor, F = Va × r1 + Vb × r2, where Va is the wind speed, r1 is the compensation parameter for the influence of wind speed on the wind noise evaluation value, Vb is the vehicle speed, and r2 is the compensation parameter for the influence of vehicle speed on the music wind noise evaluation value.

[0078] Among them, Va is positively correlated with r1.

[0079] If the wind speed is between (0 km / h and 11.9 km / h), then r1 = r11, where r11 is the parameter that determines the influence of wind speed on the wind noise evaluation value when the wind speed is between (0 km / h and 11.88 km / h), and r11 = 1.1 is set.

[0080] If the wind speed is between [11.9 km / h and 28.5 km / h], then r1 = r12, where r12 is the parameter that determines the influence of wind speed on the wind noise evaluation value when the wind speed is between [11.9 km / h and 28.5 km / h]. We set r12 = 1.3.

[0081] If the wind speed is greater than or equal to 28.8 km / h, then r1 = r13, where r13 is the parameter that determines the influence of wind speed on the wind noise evaluation value when the wind speed is greater than or equal to 28.8 km / h, and r13 = 1.8 is set.

[0082] Vb is positively correlated with r2

[0083] If the vehicle speed is between (0 km / h and 40 km / h), then r2 = r21, where r21 is the parameter that determines the impact of vehicle speed on wind noise evaluation when the vehicle speed is between (0 km / h and 40 km / h), and r21 is set to 1.2.

[0084] If the vehicle speed is between (40 km / h and 60 km / h), then r2 = r22, where r22 is the parameter that determines the impact of vehicle speed on wind noise evaluation when the vehicle speed is between (40 km / h and 60 km / h), and r21 = 1.5 is set.

[0085] If the vehicle speed is between (60 km / h and 80 km / h), then r2 = r23, where r23 is the parameter that determines the impact of vehicle speed on wind noise evaluation when the vehicle speed is between (60 km / h and 80 km / h), and r21 = 1.8 is set.

[0086] If the vehicle speed is between (80 km / h and 100 km / h), then r2 = r24, where r24 is the parameter that determines the impact of vehicle speed on wind noise evaluation when the vehicle speed is between (80 km / h and 100 km / h), and r24 is set to 2.0.

[0087] If the vehicle speed is greater than 100 km / h, then r2 = r25, where r25 is the parameter that determines the impact of vehicle speed on wind noise evaluation when the vehicle speed is greater than 100 km / h, and r25 is set to 2.5.

[0088] Specifically, the working mode is determined based on the comparison results between the wind dryness evaluation value and the interval of the wind dryness evaluation value.

[0089] Specifically, the decision to activate the bone conduction device is based on the determined operating mode.

[0090] Specifically, the volume of the headphones and the volume of the bone conduction device are adjusted based on the preset overall volume; the status of the feedback button determines whether a secondary volume adjustment is needed.

[0091] Specifically, the working mode is determined based on the comparison results between the wind dryness evaluation value and the interval of the wind dryness evaluation value.

[0092] Specifically, the decision to activate the bone conduction device is based on the determined operating mode.

[0093] Specifically, the data analysis module has a first wind noise evaluation value F01 and a second wind noise evaluation value F02. The wind noise evaluation value range is the range from the first wind noise evaluation value to the second wind noise evaluation value for the helmet in different working modes.

[0094] If the wind noise evaluation value F < F01, the data analysis module controls the headphones to work normally through the control module, and the total volume is the headphone volume.

[0095] If the wind dryness evaluation value F01≤F<F02, the data analysis module controls the bone conduction device to start through the control module. At this time, the total volume is mainly based on the headphone volume and secondarily on the bone conduction device volume. The headphone volume accounts for no less than 60% of the total volume.

[0096] If the wind noise rating F ≥ F02, then the total volume is mainly determined by the volume of the bone conduction device, with the headphone volume as a secondary component, and the bone conduction volume accounts for no less than 70% of the total volume.

[0097] When the data analysis module selects the helmet module as the music working mode, the first wind noise evaluation value F01 is 50, and the second wind noise evaluation value F02 is 70.

[0098] When the data analysis module selects the helmet module as the call working mode, the first wind noise evaluation value F01 is 71 and the second wind noise evaluation value F02 is 85.

[0099] When the data analysis module selects the helmet module as the interactive working mode, the first wind noise evaluation value F01 is 86 and the second wind noise evaluation value F02 is 100.

[0100] Specifically, the data analysis module calculates and generates a wind noise evaluation value based on the first data collected by the wind speed sensor and the second data collected by the vehicle speed sensor. The data analysis module has a first wind noise evaluation value and a second wind noise evaluation value preset. If the wind noise evaluation value is less than the first wind noise evaluation value, the helmet mode uses headphones to answer voice calls, which can avoid using bone conduction devices to increase power consumption and allows for more precise adjustment of the headphone volume.

[0101] Specifically, the data analysis module calculates and generates a wind noise evaluation value based on the first data collected by the wind speed sensor and the second data collected by the vehicle speed sensor. The data analysis module has a first wind noise evaluation value and a second wind noise evaluation value preset. If the wind noise evaluation value is less than the second wind noise evaluation value but greater than the first wind noise evaluation value, the helmet mode uses headphones and bone conduction devices for voice reception. The volume of the headphones is the primary factor, and the volume of the bone conduction devices is secondary. This can avoid the ear damage caused by the headphones being too loud and make the reception of the voice content clearer.

[0102] Specifically, the data analysis module calculates and generates a wind noise evaluation value based on the first data collected by the wind speed sensor and the second data collected by the vehicle speed sensor. The data analysis module has preset a first wind noise evaluation value and a second wind noise evaluation value. If the wind noise evaluation value is greater than the second wind noise evaluation value, the helmet mode uses headphones and bone conduction devices for voice reception. The volume of the bone conduction device is the primary factor, and the volume of the headphones is secondary. This can avoid the problem of not being able to hear the voice content clearly due to the low volume of the headphones, and the reception of the voice content is clearer.

[0103] Specifically, the feedback button status allows adjustment of the compensation parameter for the impact of wind noise evaluation value on headphone volume. When the compensation parameter for the impact of wind noise evaluation value on headphone volume is adjusted to the maximum value, adjusting the compensation parameter for the impact of wind noise evaluation value on bone conduction device volume can prevent excessive headphone volume from damaging the eardrum and increase the lifespan of the headphones.

[0104] Specifically, the data analysis module calculates the initial volume of the headphones as HA, HA = F × h1, where h1 is the compensation parameter for the impact of wind noise evaluation value on headphone volume;

[0105] The data analysis module calculates the initial volume of the bone conduction device as HB, where HB = F × h2, and h2 is the compensation parameter for the impact of wind noise evaluation value on the volume of the bone conduction device.

[0106] Specifically, the volume of the headphones and the volume of the bone conduction device are adjusted based on the preset overall volume; the status of the feedback button determines whether a secondary volume adjustment is needed.

[0107] If the headphone volume is increased by pressing the feedback button, the preset wind noise evaluation value does not meet the compensation parameter for the impact of the headphone volume. The data analysis module then adjusts the compensation parameter for the impact of the wind noise evaluation value on the headphone volume.

[0108] If the volume is not adjusted again, the preset wind noise evaluation value will meet the compensation parameter for the impact of the headphone volume, and the data analysis module will not adjust the compensation parameter for the impact of the wind noise evaluation value on the headphone volume.

[0109] Specifically, when adjusting the volume, the data analysis unit adjusts the compensation parameter h1 for the impact of wind noise evaluation value on headphone volume. The adjusted compensation parameter for the impact of wind noise evaluation value on volume is h1`, h1` = (HA` / HA+K)×h1, where HA` is the adjusted headphone volume value and K is the volume constant of the headphone.

[0110] When h1 increases, h1' increases; when h1 decreases, h1' decreases.

[0111] After adjusting the sound, the noise level can be adjusted again according to the adjustment frequency to cycle through the wind noise evaluation value and the volume compensation parameter until the sound no longer needs adjustment.

[0112] When adjusting the headphone volume to its maximum value still fails to meet the volume requirement (i.e., HA = HAmax), the data analysis module adjusts h2. After adjustment, h2` = (HB` / HB + K`) × h2, where HB` is the adjusted volume value of the bone conduction device, and K` is the volume constant of the bone conduction device. This process continues until the feedback button reaches the normal state.

[0113] When the wind noise evaluation value is adjusted to compensate for the increased volume, the data analysis module adjusts the wind noise evaluation value. The adjusted wind noise evaluation value is F`=F-(h`-h)×J, where h` is the compensation parameter for the wind noise evaluation value to compensate for the increased volume, h is the compensation parameter for the wind noise evaluation value to compensate for the increased volume, and J is the compensation parameter for the wind noise evaluation value based on the difference in the compensation parameter for the increased volume.

[0114] When the wind noise evaluation value is adjusted to compensate for the impact of volume reduction, the data analysis module adjusts the wind noise evaluation value. The adjusted wind noise evaluation value is F`=F+(h`-h)×J, where h` is the compensation parameter for the impact of volume reduction on the wind noise evaluation value, h is the compensation parameter for the impact of volume reduction on the wind noise evaluation value, and J is the compensation parameter for the wind noise evaluation value based on the difference in the compensation parameter for the impact of volume reduction on the wind noise evaluation value.

[0115] Example 1 illustrates the control flow for a user selecting a helmet module in music mode.

[0116] Step S511: The Bluetooth module connects to the remote control. The Bluetooth indicator light flashes blue, indicating a successful connection.

[0117] Step S512: The remote control is connected to the terminal device, and the voice command wakes up the voice assistant of the terminal device through the microphone;

[0118] Step S513: The headphones play music, the vehicle speed sensor is used to detect the driving speed, and the wind speed sensor is used to detect the real-time wind speed.

[0119] In step S514, the data analysis module calculates the wind noise evaluation value, selects the music working mode based on the determined wind noise evaluation value, and sends voice commands through the voice assistant (in this embodiment, the voice assistant can be Xiaoyi, Xiao Ai, Siri, etc., but this embodiment does not make a specific limitation).

[0120] Step S515: The data analysis module adjusts the volume value according to the wind noise evaluation value and allocates the ratio of headphone volume to bone conduction volume.

[0121] Step S516: In music mode, the user adjusts the headphone volume according to the status of the feedback button. The data analysis module adjusts the headphone volume impact compensation parameters based on the wind noise evaluation value at the frequency of headphone volume adjustment until no adjustment is needed.

[0122] In step S517, the data analysis unit adjusts the first and second wind noise adjustment evaluation values ​​in the music workwear mode according to the adjusted headphone volume.

[0123] Example 2: Control flow for the user selecting the helmet module in call mode.

[0124] Step S521: Pair and connect the Bluetooth module with the remote control, and connect the remote control with the terminal device;

[0125] Step S522: During the ride, if there is an incoming call reminder, the user can answer the call via remote control or voice command. At this time, the vehicle speed sensor measures the riding speed and the wind speed sensor measures the real-time wind speed.

[0126] In step S523, the voice recognition module marks the connected or disconnected words, and controls the voice assistant to execute the user's voice commands through the control module; if the voice assistant does not respond, the data analysis module operates through the remote control.

[0127] Step S524: Based on the first data collected by the vehicle speed sensor and the second data collected by the wind speed sensor, the data analysis module generates a wind noise evaluation value;

[0128] Step S525: Determine whether to turn on the bone conduction device based on the wind noise evaluation value range of the call working mode.

[0129] Step S526: The data analysis module adjusts the initial call volume value based on the status of the feedback button.

[0130] Step S527: Adjust the first wind noise evaluation value and the first wind noise evaluation value in the call working mode according to the adjusted volume until the composite feedback button is in normal state.

[0131] Step S528: After the call ends, the data analysis module automatically switches the call mode to music mode. After the mode switch is completed, the headset will remind you that the mode switch is complete. The data analysis module can switch the mode again using the remote control based on the actual situation, with the actively adjusted mode as the standard.

[0132] Example 3: Control flow of user selecting helmet module in interactive mode.

[0133] Step S531: The user of the data analysis module selects the interactive mode via remote control, and the Bluetooth module successfully connects with other members of the team via Bluetooth.

[0134] In step S532, communicate with teammates through microphone and earphone. At this time, the vehicle speed sensor measures the driving speed and the wind speed sensor measures the real-time wind speed.

[0135] Step S533: The data analysis module calculates the wind noise evaluation value in the interactive working mode based on the first data collected by the vehicle speed sensor and the second data collected by the wind speed sensor.

[0136] In step S534, the data analysis module adjusts the volume in the interactive working mode according to the status of the feedback button, and readjusts the first wind noise evaluation value and the first wind noise evaluation value value according to the volume adjustment result, until the feedback Annie returns to the normal state.

[0137] Step S535: Based on the actual situation, the remote control can be controlled to pause microphone calls, pause communication with teammates, and adjust the volume of the bone conduction device according to the interactive sound experience.

[0138] Specifically, after the volume is adjusted a second time, the data analysis unit adjusts the wind noise evaluation value. When the volume is increased, the wind noise evaluation value is decreased, and when the volume is decreased, the wind noise evaluation value is increased. This can avoid the discomfort caused by the voice being too soft or the eardrum being damaged by the ear being too loud, thus meeting the volume requirements in different working modes.

[0139] Specifically, the analysis and processing module can determine the conditions for activating the bone conduction device according to the wind noise in different working modes. This can prevent the bone conduction device from activating too early and wasting the helmet module's battery power, and ensure that users can hear voice information clearly during use to avoid communication obstacles and unnecessary detours caused by not hearing road information.

[0140] Another aspect of this embodiment provides a control system for a Bluetooth helmet module, including,

[0141] The information transmission module is used to transmit information between the various components;

[0142] Voice command acquisition module, used to acquire language commands;

[0143] The data acquisition module is used to collect real-time wind speed and vehicle speed.

[0144] The data analysis module determines the activation conditions of the bone conduction device based on vehicle speed and wind speed;

[0145] The control module, which is connected to the data analysis module, is used to control the activation of the bone conduction device and to control the volume of the headphones and the volume of the bone conduction device.

[0146] Specifically, a control system for a Bluetooth helmet module also includes...

[0147] The remote control has a feedback button for secondary adjustment of the overall volume;

[0148] Bluetooth control module, used to control the Bluetooth module's startup and shutdown;

[0149] The voice control module is used to control the overall volume and the transmission of voice information;

[0150] The speech recognition module is used to reduce noise and mark key words in speech commands;

[0151] The sensor group control module is used to control the vehicle speed sensor and wind speed sensor to collect data.

[0152] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of the present invention.

[0153] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A control method for a Bluetooth helmet module, applied to a Bluetooth helmet module, the Bluetooth helmet module comprising a Bluetooth module, an earphone, a bone conduction device, a wind speed sensor module, and a vehicle speed sensor module, characterized in that... Once the Bluetooth module connects to the terminal device and the connection is successful, the earphone will emit a pairing success prompt tone and the Bluetooth module indicator light will flash blue. If the Bluetooth module fails to connect to the terminal device, the Bluetooth module indicator light will flash red and attempt to reconnect; if the headset indicates that the Bluetooth module has low battery, the Bluetooth module indicator light will turn yellow. The language instructions are improved by performing noise reduction processing and highlighting key words; The terminal device's voice assistant is activated by the improved language commands, and the voice assistant is used to play music and answer phone calls. Based on the determined working mode, the volume ratio of the headphones and the bone conduction device is determined. The working mode includes music mode, call mode and interactive mode. Based on the volume reception effect after the first adjustment, the volume is adjusted a second time via the feedback button; The wind noise evaluation value F is calculated based on the data collected by the wind speed sensor and the vehicle speed sensor, F = Va × r1 + Vb × r2, where Va is the wind speed, r1 is the compensation parameter for the influence of wind speed on the wind noise evaluation value, and Vb is the vehicle speed, r2 is the compensation parameter for the influence of vehicle speed on the wind noise evaluation value. If the wind noise evaluation value F < F01, then the headphones will be controlled to operate normally, and the total volume will be the headphone volume; If the wind dryness evaluation value F01≤F<F02, the bone conduction device will be activated. At this time, the total volume will be mainly determined by the headphone volume, with the bone conduction device volume as a secondary factor. The headphone volume will account for no less than 60% of the total volume. If the wind noise evaluation value F≥F02, then the total volume is mainly determined by the volume of the bone conduction device, with the headphone volume as a secondary component. The bone conduction volume accounts for no less than 70% of the total volume. Here, F01 is the first wind noise evaluation value, and F02 is the second wind noise evaluation value. The wind noise evaluation value can be adjusted to compensate for the impact of the headphone volume by adjusting the feedback button status. When the wind noise evaluation value is adjusted to the maximum value, the wind noise evaluation value can be adjusted to compensate for the impact of the bone conduction device volume. If the headphone volume is increased by pressing the feedback button, the preset wind noise evaluation value's impact on headphone volume compensation parameter does not meet the requirement, so the wind noise evaluation value's impact on headphone volume compensation parameter is adjusted.

2. The control method for the Bluetooth helmet module according to claim 1, characterized in that, During the ride, the system recognizes language commands through noise reduction and key word marking. These language commands are then used by the voice assistant to play or pause music and answer or hang up calls.

3. The control method for the Bluetooth helmet module according to claim 2, characterized in that, Based on the failure to recognize the language command, pause the music or answer or hang up the incoming call.

4. The control method for the Bluetooth helmet module according to claim 1, characterized in that, Based on the selected interaction mode, the Bluetooth module pairs with other helmet modules in the team. After successful pairing, the headset emits a team formation success prompt tone and the Bluetooth module indicator light flashes blue.

5. The control method for the Bluetooth helmet module according to claim 1, characterized in that, Based on the first data collected by the wind speed sensor module and the second data collected by the vehicle speed sensor module, the wind noise evaluation value for each working mode is calculated.

6. The control method for the Bluetooth helmet module according to claim 5, characterized in that, Whether to activate the bone conduction device depends on the determined operating mode.

7. The control method for the Bluetooth helmet module according to claim 5, characterized in that, The headphone volume and bone conduction device volume are adjusted based on the preset overall volume; the status of the feedback button determines whether a secondary volume adjustment is needed.

8. A control system for a Bluetooth helmet module, based on the control method for the Bluetooth helmet module according to any one of claims 1-7, characterized in that, include: The information transmission module is used to transmit information between the various components; Voice command acquisition module, used to acquire language commands; The data acquisition module is used to collect real-time wind speed and vehicle speed. The data analysis module determines the activation conditions of the bone conduction device based on vehicle speed and wind speed; The control module, which is connected to the data analysis module, is used to control the activation of the bone conduction device and to control the volume of the headphones and the volume of the bone conduction device.

9. The control system for the Bluetooth helmet module according to claim 8, characterized in that, include, The remote control has a feedback button for secondary adjustment of the overall volume; Bluetooth control module, used to control the Bluetooth module's startup and shutdown; The voice control module is used to control the overall volume and the transmission of voice information; The speech recognition module is used to reduce noise and mark key words in speech commands; The sensor group control module is used to control the vehicle speed sensor and wind speed sensor to collect data.

Images