CN112887873B - Stereo bluetooth headset of making an uproar falls with ANC - Google Patents
Stereo bluetooth headset of making an uproar falls with ANC Download PDFInfo
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- CN112887873B CN112887873B CN202110388070.9A CN202110388070A CN112887873B CN 112887873 B CN112887873 B CN 112887873B CN 202110388070 A CN202110388070 A CN 202110388070A CN 112887873 B CN112887873 B CN 112887873B
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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
- H04R1/1083—Reduction of ambient noise
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
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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
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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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
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a stereo Bluetooth headset with an ANC noise reduction function, which comprises a processor, a sound production unit and a Bluetooth module, wherein the processor is connected with a data acquisition module, a data analysis module, an active noise reduction module, a static elimination module, a dehumidification module, a temperature regulation module and an electric quantity early warning module; the data acquisition module comprises a sound acquisition unit, a static acquisition unit, a humidity detection unit, a temperature detection unit and an electric quantity detection unit; the data analysis module is used for analyzing the data acquired by the data acquisition module, and according to the analysis result of the data analysis module, the Bluetooth headset is correspondingly operated through the active noise reduction module, the static elimination module, the dehumidification module, the temperature regulation module and the electric quantity early warning module, so that the normal use of the Bluetooth headset in various environments is ensured, and the influence of the external environment is avoided, so that the normal use of the headset cannot be realized or the service life of the headset is shortened.
Description
Technical Field
The invention belongs to the technical field of Bluetooth earphones, and particularly relates to a stereo Bluetooth earphone with ANC noise reduction.
Background
The bluetooth headset applies the bluetooth technology to the hands-free headset, so that a user can avoid the involvement of wires and can freely and easily talk in various ways.
And current bluetooth headset often can lead to bluetooth headset's result of use effect or influence bluetooth headset's life because of external environment's influence, and static on external noise, temperature, humidity and the bluetooth headset all can bring not good influence to bluetooth headset's use, in order to solve above-mentioned problem, provides a stereo bluetooth headset that has ANC and falls and make an uproar now.
Disclosure of Invention
The invention aims to provide a stereo Bluetooth headset with ANC noise reduction.
The purpose of the invention can be realized by the following technical scheme: a stereo Bluetooth headset with an ANC noise reduction function comprises a processor, a sound production unit and a Bluetooth module, wherein the processor is connected with a data acquisition module, a data analysis module, an active noise reduction module, a static elimination module, a dehumidification module, a temperature regulation module and an electric quantity early warning module; the data acquisition module comprises a sound acquisition unit, a static acquisition unit, a humidity detection unit, a temperature detection unit and an electric quantity detection unit; the data analysis module is used for analyzing the data acquired by the data acquisition module.
Further, the sound collection unit is used for obtaining sound data, and the specific obtaining process comprises the following steps:
step S1: acquiring the working mode of a Bluetooth headset, wherein the working mode of the headset comprises an audio-visual mode, a call mode and a waiting mode;
step S2: respectively setting a preset sound frequency range for an audio-visual mode and a call mode of the Bluetooth headset, and respectively marking the preset sound frequency ranges of the Bluetooth headset in the audio-visual mode, the call mode and the waiting mode as (a, b), (c, d) and (e, f);
and step S3: acquiring the sound frequency and the sound direction of the external noise, and marking the sound frequency of the external noise as Wf;
and step S4: and sending the collected Wf and the sound direction to a data analysis module.
Further, the static electricity collection unit is used for collecting the static electricity strength on the surface of the Bluetooth headset, and the specific collection process comprises the following steps:
step C1: n charge collection regions are arranged on the surface of the Bluetooth headset, the N charge collection regions are respectively marked with i, and the area of each charge collection region is marked with CS i Wherein i =1,2, \8230, N is an integer;
and C2: acquiring the charge quantity of the surface of each charge acquisition area with an acquisition period of T, and marking the charge quantity of the surface of each charge acquisition area as C i Wherein T is more than 0, i =1,2, \8230, 8230, N and N are integers;
and C3: c obtained in the step C1-C2 i And sending the data to a data analysis module.
Further, the humidity detection unit is used for detecting the moisture content in the ambient air where the bluetooth headset is located, and the specific detection process comprises the following steps:
step W1: acquiring the humidity in the air on the surface of the Bluetooth headset, and marking the humidity in the air on the surface of the Bluetooth headset as SH;
step W2: acquiring the humidity between the Bluetooth headset and the ear of the user, marking the humidity between the Bluetooth headset and the ear of the user as SE, and acquiring the service life of the Bluetooth headset;
step W3: and uploading the data acquired in the steps W1-W2 to a data analysis module.
Further, the temperature detection unit is used for detecting the temperature of the environment where the bluetooth module is located and the temperature inside the bluetooth headset, and the specific detection process comprises the following steps:
step D1: acquiring the temperature of the outer surface of the Bluetooth headset, and marking the temperature value of the outer surface of the Bluetooth headset as Ww;
step D2: acquiring the internal temperature of the Bluetooth headset, and marking the internal temperature value of the Bluetooth headset as Nw;
and D3: generating an outer surface temperature change curve according to the change of the outer surface temperature value of the Bluetooth headset, marking two continuous turning points in the outer surface temperature change curve, and acquiring points Ww1 and Ww2 on the outer surface temperature change curve corresponding to time t1 and t2 corresponding to the two continuous turning points, namely acquiring coordinate points (t 1, ww 1), (t 2, ww 2);
and D4: generating an internal temperature change curve according to the change of the internal temperature value of the Bluetooth headset, and acquiring points Nw1 and Nw2 on the internal temperature change curve corresponding to the moments t1 and t2, namely acquiring coordinate points (t 1, nw 1), (t 2 and Nw 2), wherein t1 is less than t2;
step D5: and uploading the data acquired in the steps D1-D4 to a data analysis module.
Further, the electric quantity detecting unit is used for detecting the residual electric quantity of the Bluetooth headset, and the specific detection process comprises the following steps:
step L1: acquiring the residual electric quantity of the Bluetooth headset, and marking the residual electric quantity of the Bluetooth headset as SD;
step L2: acquiring the working mode of the Bluetooth headset, and marking the loss time of the Bluetooth headset in the working mode within unit time as Dd;
step L3: and sending the data acquired in the steps L1-L2 to a data analysis module.
Further, the data analysis module is used for analyzing the data acquired by the sound acquisition unit, and the specific analysis process comprises the following steps:
step SS1: acquiring a working mode of the Bluetooth headset;
step SS2: when the working mode of the Bluetooth headset is the audio-visual mode, judging whether Wf is in the range of (a, b), and if Wf is not in the range of (a, b), ignoring the sound; when Wf is in the range of (a, b), acquiring the direction of the sound;
when the working mode of the Bluetooth headset is a call mode, judging whether Wf is in the range of (c, d), and if Wf is in the range of (c, d), ignoring the sound; when Wf is in the range of (a, b), acquiring the source direction of the sound;
when the working mode of the Bluetooth headset is a waiting mode, judging whether Wf is in the range of (e, f), if not, ignoring the sound, and if Wf is in the range of (e, f), acquiring the source direction of the sound;
and step SS3: sending the Wf value, the source direction of the sound and the working mode of the earphone to an active noise reduction module;
and step SS4: and emitting sound waves with the frequency of Wf opposite to the direction of the sound source through the active noise reduction module.
Further, the data analysis module is used for analyzing the data acquired by the static electricity acquisition unit, and the specific analysis process comprises the following steps:
step CC1: by the formula
Obtaining a charge density early warning value Sd on the Bluetooth headset, wherein S0 is a preset charge density threshold value of the system, and S0 is more than 0; alpha is a systematic correction coefficient and alpha is more than 0;
step CC2: when Sd is less than 0, no operation is performed; when the Sd is larger than or equal to 0, judging that the electrostatic charge content on the surface of the Bluetooth headset exceeds the standard, and sending the Sd and the charge attribute on the surface of the Bluetooth headset to a static elimination module;
step CC3: the static elimination module neutralizes charges on the surface of the Bluetooth headset according to the charge attributes of the Sd and the surface of the Bluetooth headset, and static on the surface of the Bluetooth headset is eliminated.
Further, the data analysis module is configured to analyze the data acquired by the humidity detection unit, and a specific analysis process includes the following steps:
step WW1: when SH is less than SH0, judging that the humidity of the outer surface of the Bluetooth headset is normal; when SH is larger than or equal to SH0, judging that the humidity of the outer surface of the Bluetooth headset is too high, and sending an internal dehumidification instruction to a dehumidification module, wherein SH0 is a preset humidity threshold value of a system, and SH0 is larger than 0;
step WW2: the dehumidification module heats and dries the interior of the Bluetooth headset and discharges the heated and dried airflow out of the interior of the Bluetooth headset;
step WW3: when SE is less than SE0, judging that the humidity between the Bluetooth headset and the ears of the user is normal; when SE is larger than or equal to SE0, judging that the humidity between the Bluetooth earphone and the ear of the user exceeds the standard, and sending an external dehumidification instruction to the dehumidification module, wherein SE0 is a preset external humidity threshold value of the system, and SE0 is larger than SH0 and larger than 0;
step WW4: the dehumidification module is through ventilating between bluetooth headset and the user's ear to carry out the drying between bluetooth headset and the user's ear.
Further, the data analysis module is configured to analyze the data acquired by the temperature detection unit, and a specific analysis process includes the following steps:
step DD1: setting the normal working temperature threshold range of the Bluetooth headset as (W0, W1), wherein W0 and W1 are the normal working temperature thresholds of the system preset headset, and W0 is more than 0 and less than W1;
step DD2: obtaining the temperature change rate Wwb of the outer surface of the Bluetooth headset through a formula Wwb = (Ww 2-Ww 1)/(t 2-t 1), and when Wwb is larger than 0, indicating that the temperature of the outer surface of the Bluetooth headset is increased; when Wwb is less than 0, the temperature of the outer surface of the Bluetooth headset is reduced;
step DD3: when Wwb is smaller than 0, ww1 is smaller than W0 and Nw1 is smaller than W0, the temperature of the outer surface of the Bluetooth headset is judged to be too low, and the temperature adjusting module heats the Bluetooth headset; when Wwb is smaller than 0, W0 is larger than Ww1 and smaller than W1, and Nw1 is smaller than W0, the temperature of the outer surface of the Bluetooth headset is judged to be too low, and the temperature adjusting module heats the Bluetooth headset; when Wwb is smaller than 0, ww1 is larger than W1 and Nw1 is smaller than W0, judging that the temperature of the outer surface of the Bluetooth headset is too high, and radiating the Bluetooth headset by the temperature adjusting module;
step DD4: when Wwb is larger than 0, ww1 is larger than W1 and Nw1 is smaller than W0, judging that the temperature of the outer surface of the Bluetooth headset is too high, and cooling the Bluetooth headset by the temperature adjusting module; when Wwb > 0, ww1 > W1 and Nw1 > W1, then judge that bluetooth headset surface temperature and inside temperature are all too high, then temperature regulation module dispels the heat to bluetooth headset.
Further, the data analysis module is used for analyzing the data acquired by the electric quantity detection unit, and the specific analysis process comprises the following steps:
step LL1: obtaining the residual service time TS of the Bluetooth headset through a formula TS = (beta multiplied by SD)/(Dd + D0), and uploading the TS to an electric quantity early warning module, wherein beta is a system correction coefficient, beta is more than 0 and less than or equal to 1, D0 is a fixed loss electric quantity value of the Bluetooth headset in unit time, and D0 is more than 0;
step LL2: and when the TS is less than or equal to TS ', the electric quantity early warning module sends a voice prompt to a user, wherein the TS ' is a preset electric quantity alarm threshold value of the system, and the TS ' is greater than 0.
The invention has the beneficial effects that:
1. a Bluetooth headset with an ANC noise reduction stereo acquires the frequency and the sound direction of external sound through a sound detection unit, and then the external sound is offset by sending sound waves with the same frequency and opposite directions through an active noise reduction module, so that the Bluetooth headset can obtain corresponding active noise reduction effects in different working modes;
2. a stereo Bluetooth headset with an ANC noise reduction function can adjust the internal temperature of the Bluetooth headset according to the change of the external environment temperature through a temperature detection unit, so that the Bluetooth headset always works at a proper temperature, and the service life of the headset is prolonged; meanwhile, the static electricity on the surface of the Bluetooth headset is detected, and when the charge on the surface of the Bluetooth headset exceeds a preset charge density threshold value of the system, the charge on the surface of the Bluetooth headset is neutralized through the static electricity elimination module, so that the harm of the static electricity to a human body and internal components of the headset is avoided; simultaneously detect the moisture content in the bluetooth headset outside air and the moisture content between bluetooth headset and the user ear through humidity detection module respectively, moisture content when outside air exceeds standard, then dry and dehumidify bluetooth headset inside through dehumidification module, avoid external humid air to cause the damage to bluetooth headset internal components and parts, moisture content when between bluetooth headset and the user ear exceeds standard, then the dehumidification module carries out the drying to between bluetooth headset and the user ear, thereby improve the comfort level that the user used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of a stereo bluetooth headset with ANC noise reduction.
Detailed Description
As shown in fig. 1, a stereo bluetooth headset with ANC noise reduction comprises a processor, a sound production unit and a bluetooth module, wherein the processor is connected with a data acquisition module, a data analysis module, an active noise reduction module, a static elimination module, a dehumidification module, a temperature regulation module and an electric quantity early warning module;
the data acquisition module comprises a sound acquisition unit, a static acquisition unit, a humidity detection unit, a temperature detection unit and an electric quantity detection unit;
the sound acquisition unit is used for acquiring sound data, and the specific acquisition process comprises the following steps:
step S1: acquiring the working mode of a Bluetooth headset, wherein the working mode of the headset comprises an audio-visual mode, a call mode and a waiting mode;
step S2: respectively setting a preset sound frequency range for an audio-visual mode and a call mode of the Bluetooth headset, and respectively marking the preset sound frequency ranges of the Bluetooth headset in the audio-visual mode, the call mode and the waiting mode as (a, b), (c, d) and (e, f);
and step S3: acquiring the sound frequency and the sound direction of the external noise, and marking the sound frequency of the external noise as Wf;
and step S4: sending the collected Wf and the collected sound direction to a data analysis module;
the static collection unit is used for collecting the static strength on the surface of the Bluetooth headset, and the specific collection process comprises the following steps:
step C1: n charge collection regions are arranged on the surface of the Bluetooth headset, the N charge collection regions are respectively marked with i, and the area of each charge collection region is marked with CS i Wherein i =1,2, \8230, N and N are integers;
and step C2: acquiring the charge quantity of the surface of each charge acquisition area with an acquisition period of T, and marking the charge quantity of the surface of each charge acquisition area as C i Wherein T is more than 0, i =1,2, \8230, 8230, N and N are integers;
and C3: c obtained in the step C1-C2 i Sending the data to a data analysis module;
the humidity detection unit is used for detecting the moisture content in the ambient air where the Bluetooth headset is located, and the specific detection process comprises the following steps:
step W1: acquiring the humidity in the air on the surface of the Bluetooth headset, and marking the humidity in the air on the surface of the Bluetooth headset as SH;
step W2: acquiring the humidity between the Bluetooth headset and the ear of the user, marking the humidity between the Bluetooth headset and the ear of the user as SE, and acquiring the service life of the Bluetooth headset;
step W3: uploading the data obtained in the steps W1-W2 to a data analysis module;
the temperature detection unit is used for detecting the temperature of the environment where the Bluetooth module is located and the temperature inside the Bluetooth headset, and the specific detection process comprises the following steps:
step D1: acquiring the temperature of the outer surface of the Bluetooth headset, and marking the temperature value of the outer surface of the Bluetooth headset as Ww;
step D2: acquiring the internal temperature of the Bluetooth headset, and marking the internal temperature value of the Bluetooth headset as Nw;
and D3: generating an outer surface temperature change curve according to the change of the outer surface temperature value of the Bluetooth headset, marking two continuous turning points in the outer surface temperature change curve, and acquiring points Ww1 and Ww2 on the outer surface temperature change curve corresponding to time t1 and t2 corresponding to the two continuous turning points, namely acquiring coordinate points (t 1, ww 1), (t 2, ww 2);
and D4: generating an internal temperature change curve according to the change of the internal temperature value of the Bluetooth headset, and acquiring points Nw1 and Nw2 on the internal temperature change curve corresponding to the moments t1 and t2, namely acquiring coordinate points (t 1, nw 1), (t 2 and Nw 2), wherein t1 is less than t2;
step D5: uploading the data acquired in the steps D1-D4 to a data analysis module;
the electric quantity detecting unit is used for detecting the residual electric quantity of the Bluetooth headset, and the specific detecting process comprises the following steps:
step L1: acquiring the residual electric quantity of the Bluetooth headset, and marking the residual electric quantity of the Bluetooth headset as SD;
step L2: acquiring the working mode of the Bluetooth headset, and marking the loss time of the Bluetooth headset in the working mode within unit time as Dd;
step L3: and sending the data acquired in the steps L1-L2 to a data analysis module.
The data analysis module is used for analyzing the data acquired by the data acquisition module, and the specific analysis process comprises the following steps:
analyzing the data acquired by the sound acquisition unit:
step SS1: acquiring the working mode of the Bluetooth headset;
step SS2: when the working mode of the Bluetooth headset is the audio-visual mode, judging whether Wf is in the range of (a, b), and if Wf is not in the range of (a, b), ignoring the sound; when Wf is in the range of (a, b), acquiring the source direction of the sound;
when the working mode of the Bluetooth headset is a call mode, judging whether Wf is in the range of (c, d), and if Wf is in the range of (c, d), ignoring the sound; when Wf is in the range of (a, b), acquiring the source direction of the sound;
when the working mode of the Bluetooth headset is a waiting mode, judging whether Wf is in the range of (e, f), if not, ignoring the sound, and if Wf is in the range of (e, f), acquiring the source direction of the sound;
and step SS3: sending the Wf value, the source direction of the sound and the working mode of the earphone to an active noise reduction module;
and step SS4: emitting sound waves with frequency Wf opposite to the direction of sound source through the active noise reduction module;
analyzing the data acquired by the static electricity acquisition unit:
step CC1: by the formula
Obtaining a charge density early warning value Sd on the Bluetooth headset, wherein S0 is a preset charge density threshold of a system, and S0 is greater than 0; alpha is a systematic correction coefficient and alpha is more than 0;
step CC2: when Sd is less than 0, no operation is performed; when the Sd is larger than or equal to 0, judging that the electrostatic charge content on the surface of the Bluetooth headset exceeds the standard, and sending the Sd and the charge attribute on the surface of the Bluetooth headset to a static elimination module;
step CC3: the static elimination module neutralizes the charges on the surface of the Bluetooth headset according to the Sd and the charge attributes on the surface of the Bluetooth headset, so that static on the surface of the Bluetooth headset is eliminated;
analyzing the data acquired by the humidity detection unit, wherein the specific analysis process comprises the following steps:
step WW1: when SH is less than SH0, judging that the humidity of the outer surface of the Bluetooth headset is normal; when SH is larger than or equal to SH0, judging that the humidity of the outer surface of the Bluetooth headset is too high, and sending an internal dehumidification instruction to a dehumidification module, wherein SH0 is a preset humidity threshold value of the system, and SH0 is larger than 0;
step WW2: the dehumidification module heats and dries the interior of the Bluetooth headset and discharges the heated and dried airflow out of the interior of the Bluetooth headset;
step WW3: when SE is less than SE0, judging that the humidity between the Bluetooth headset and the ears of the user is normal; when SE is larger than or equal to SE0, judging that the humidity between the Bluetooth headset and the ears of the user exceeds the standard, and sending an external dehumidification instruction to a dehumidification module, wherein SE0 is a system preset external humidity threshold value, and SE0 is larger than SH0 and larger than 0;
step WW4: the dehumidification module is used for ventilating the space between the Bluetooth headset and the ears of the user so as to dry the space between the Bluetooth headset and the ears of the user, so that the comfort level of the user is improved;
analyzing the data acquired by the temperature detection unit:
step DD1: setting the normal working temperature threshold range of the Bluetooth headset as (W0, W1), wherein W0 and W1 are the normal working temperature thresholds of the system preset headset, and W0 is more than 0 and less than W1;
step DD2: obtaining the temperature change rate Wwb of the outer surface of the Bluetooth headset through a formula Wwb = (Ww 2-Ww 1)/(t 2-t 1), and when Wwb is larger than 0, indicating that the temperature of the outer surface of the Bluetooth headset is increased; when Wwb is less than 0, the temperature of the outer surface of the Bluetooth headset is reduced;
step DD3: when Wwb is smaller than 0, ww1 is smaller than W0, and Nw1 is smaller than W0, the temperature of the outer surface of the Bluetooth headset is judged to be too low, and the temperature adjusting module heats the Bluetooth headset; when Wwb is smaller than 0, W0 is larger than Ww1 and smaller than W1, and Nw1 is smaller than W0, the temperature of the outer surface of the Bluetooth headset is judged to be too low, and the temperature adjusting module heats the Bluetooth headset; when Wwb is smaller than 0, ww1 is larger than W1 and Nw1 is smaller than W0, judging that the temperature of the outer surface of the Bluetooth headset is too high, and radiating the Bluetooth headset by the temperature adjusting module;
step DD4: when Wwb is larger than 0, ww1 is larger than W1 and Nw1 is smaller than W0, judging that the temperature of the outer surface of the Bluetooth headset is too high, and cooling the Bluetooth headset by the temperature adjusting module; when Wwb is larger than 0, ww1 is larger than W1, and Nw1 is larger than W1, judging that the outer surface temperature and the inner temperature of the Bluetooth headset are both too high, and radiating the Bluetooth headset by the temperature adjusting module;
analyzing the data acquired by the electric quantity detection unit:
step LL1: obtaining the residual service time TS of the Bluetooth headset through a formula TS = (beta multiplied by SD)/(Dd + D0), and uploading the TS to an electric quantity early warning module, wherein beta is a system correction coefficient, beta is more than 0 and less than or equal to 1, D0 is a fixed loss electric quantity value of the Bluetooth headset in unit time, and D0 is more than 0;
step LL2: and when the TS is less than or equal to TS ', the electric quantity early warning module sends a voice prompt to the user, wherein the TS ' is a preset electric quantity alarm threshold value of the system, and the TS ' is greater than 0.
The above formulas are all calculated by removing dimensions and taking numerical values thereof, the formula is a formula which is obtained by acquiring a large amount of data and performing software simulation to obtain the most approximate real condition, and the preset parameters and the preset threshold values in the formula are set by the technical personnel in the field according to the actual condition or obtained by simulating a large amount of data.
The working principle of the invention is as follows: when the Bluetooth headset with the ANC noise reduction stereo function works, the working mode of the headset is obtained, the external sound frequency and the external sound direction are obtained through the sound collection unit, the obtained sound frequency is matched with the preset frequency range of the system in different working modes, then the sound frequency and the sound direction are sent to the active noise reduction module, and the active noise reduction module cancels the external sound by sending out sound waves with the same frequency but opposite directions, so that the active noise reduction effect is achieved; in the using process, the electrostatic detection unit is used for detecting the charge quantity in N areas on the surface of the Bluetooth headset and obtaining the charge density of the surface of the Bluetooth headset, and when the charge density of the surface of the Bluetooth headset exceeds a preset charge density threshold value of a system, the electrostatic elimination module is used for neutralizing the charge of the surface of the Bluetooth headset; through the temperature detection unit, the internal temperature of the Bluetooth headset can be adjusted according to the change of the external environment temperature, so that the Bluetooth headset always works at a proper temperature, and the service life of the headset is prolonged; simultaneously detect moisture content in the bluetooth headset outside air and the moisture content between bluetooth headset and the user's ear respectively through humidity detection module, moisture content when outside air exceeds standard, then dry and dehumidify bluetooth headset inside through dehumidification module, avoid external humid air to cause the damage to bluetooth headset internal components and parts, moisture content when between bluetooth headset and the user's ear exceeds standard, then the dehumidification module is dried between bluetooth headset and the user's ear, thereby improve the comfort level that the user used.
The foregoing is illustrative and explanatory of the structure of the invention, and various modifications, additions or substitutions in similar manner to the specific embodiments described may be made by those skilled in the art without departing from the structure of the invention or exceeding the scope defined by the claims, and furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Claims (7)
1. A stereo Bluetooth headset with an ANC noise reduction function comprises a processor, a sound production unit and a Bluetooth module, and is characterized in that the processor is connected with a data acquisition module, a data analysis module, an active noise reduction module, a static elimination module, a dehumidification module, a temperature regulation module and an electric quantity early warning module; the data acquisition module comprises a sound acquisition unit, a static acquisition unit, a humidity detection unit, a temperature detection unit and an electric quantity detection unit; the data analysis module is used for analyzing the data acquired by the data acquisition module;
the sound acquisition unit is used for acquiring sound data, and the specific acquisition process comprises the following steps:
step S1: acquiring the working mode of a Bluetooth headset, wherein the working mode of the headset comprises an audio-visual mode, a call mode and a waiting mode;
step S2: respectively setting a preset sound frequency range for an audio-visual mode and a call mode of the Bluetooth headset, and respectively marking the preset sound frequency ranges of the Bluetooth headset in the audio-visual mode, the call mode and the waiting mode as (a, b), (c, d) and (e, f);
and step S3: acquiring the sound frequency and the sound direction of the external noise, and marking the sound frequency of the external noise as Wf;
and step S4: sending the collected Wf and the sound direction to a data analysis module;
the static electricity collection unit is used for collecting the static electricity strength on the surface of the Bluetooth headset, and the specific collection process comprises the following steps:
step C1: be provided with N electric charge collection region on bluetooth headset surface, mark i respectively with N electric charge collection region to with the regional area mark CS of every electric charge collection i Wherein i =1,2, \8230, N and N are integers;
and C2: acquiring the charge quantity on the surface of each charge acquisition area with an acquisition period of T, and marking the charge quantity on the surface of each charge acquisition area as C i Wherein T is more than 0,i =1,2, \8230, where \8230Nis an integer;
step C3: c obtained in the step C1-C2 i Sending the data to a data analysis module;
the data analysis module is used for analyzing the data acquired by the sound acquisition unit, and the specific analysis process comprises the following steps:
step SS1: acquiring a working mode of the Bluetooth headset;
step SS2: when the working mode of the Bluetooth headset is the audio-visual mode, judging whether Wf is in the range of (a, b), and if Wf is not in the range of (a, b), ignoring the sound; when Wf is in the range of (a, b), acquiring the source direction of the sound;
when the working mode of the Bluetooth headset is a call mode, judging whether Wf is in the range of (c, d), and if Wf is not in the range of (c, d), ignoring the sound; when Wf is in the range of (c, d), acquiring the direction of the sound;
when the working mode of the Bluetooth headset is a waiting mode, judging whether Wf is in the range of (e, f), if not, ignoring the sound, and if the Wf is in the range of (e, f), acquiring the source direction of the sound;
and step SS3: sending the Wf value, the source direction of the sound and the working mode of the earphone to an active noise reduction module;
and step SS4: emitting sound waves with frequency Wf opposite to the direction of sound source through the active noise reduction module;
the data analysis module is used for analyzing the data acquired by the static acquisition unit, and the specific analysis process comprises the following steps:
step CC1: by the formula
Obtaining a charge density early warning value Sd on the Bluetooth headset, wherein SO is a charge density threshold preset by a system, and S0 is more than 0; alpha is a systematic correction coefficient and alpha is more than 0;
step CC2: when Sd is less than 0, no operation is performed; when the Sd is larger than or equal to 0, judging that the electrostatic charge content on the surface of the Bluetooth headset exceeds the standard, and sending the Sd and the charge attribute on the surface of the Bluetooth headset to a static elimination module;
step CC3: the static elimination module neutralizes charges on the surface of the Bluetooth headset according to the charge attributes of the Sd and the surface of the Bluetooth headset, and static on the surface of the Bluetooth headset is eliminated.
2. The stereo Bluetooth headset with ANC noise reduction function of claim 1, wherein the humidity detection unit is used for detecting the moisture content in the ambient air where the Bluetooth headset is located, and the specific detection process comprises the following steps:
step W1: acquiring the humidity in the air on the surface of the Bluetooth headset, and marking the humidity in the air on the surface of the Bluetooth headset as SH;
step W2: acquiring the humidity between the Bluetooth headset and the user ear, marking the humidity between the Bluetooth headset and the user ear as SE, and acquiring the service life of the Bluetooth headset;
step W3: and uploading the data obtained in the steps W1-W2 to a data analysis module.
3. The stereo Bluetooth headset with ANC noise reduction function as claimed in claim 1, wherein the temperature detection unit is configured to detect the temperature of the environment where the Bluetooth module is located and the temperature inside the Bluetooth headset, and the specific detection process includes the following steps:
step D1: acquiring the temperature of the outer surface of the Bluetooth headset, and marking the temperature value of the outer surface of the Bluetooth headset as Ww;
step D2: acquiring the internal temperature of the Bluetooth headset, and marking the internal temperature value of the Bluetooth headset as Nw;
and D3: generating an outer surface temperature change curve according to the change of the outer surface temperature value of the Bluetooth headset, marking two continuous turning points in the outer surface temperature change curve, and acquiring points Ww1 and Ww2 on the outer surface temperature change curve corresponding to time t1 and t2 corresponding to the two continuous turning points, namely acquiring coordinate points (t 1, ww 1), (t 2, ww 2);
step D4: generating an internal temperature change curve according to the change of the internal temperature value of the Bluetooth headset, and acquiring points Nw1 and Nw2 on the internal temperature change curve corresponding to the moments t1 and t2, namely acquiring coordinate points (t 1, nw 1), (t 2 and Nw 2), wherein t1 is less than t2;
step D5: and uploading the data acquired in the steps D1-D4 to a data analysis module.
4. The stereo Bluetooth headset with ANC noise reduction function of claim 1, wherein the power detection unit is configured to detect a remaining power of the Bluetooth headset, and the specific detection process comprises the following steps:
step L1: acquiring the residual electric quantity of the Bluetooth headset, and marking the residual electric quantity of the Bluetooth headset as SD;
step L2: acquiring a working mode of the Bluetooth headset, and marking the loss time of the Bluetooth headset in the working mode within unit time as Dd;
step L3: and sending the data acquired in the steps L1-L2 to a data analysis module.
5. The stereo Bluetooth headset with ANC noise reduction function as claimed in claim 2, wherein the data analysis module is configured to analyze the data obtained by the humidity detection unit, and the specific analysis process includes the following steps:
step WW1: when SH is less than SHO, judging that the humidity of the outer surface of the Bluetooth headset is normal; when SH is larger than or equal to SHO, judging that the humidity of the outer surface of the Bluetooth headset is too high, and sending an internal dehumidification instruction to a dehumidification module, wherein SHO is a preset humidity threshold value of the system and is larger than 0;
step WW2: the dehumidification module heats and dries the interior of the Bluetooth headset and discharges the heated and dried airflow out of the interior of the Bluetooth headset;
step WW3: when SE is less than SEO, judging that the humidity between the Bluetooth earphone and the user ear is normal; when the SE is larger than or equal to SEO, judging that the humidity between the Bluetooth earphone and the ear of the user exceeds the standard, and sending an external dehumidification instruction to a dehumidification module, wherein the SEO is a preset external humidity threshold value of the system, and SEO is larger than SHO and larger than 0;
step WW4: the dehumidification module is through ventilating between bluetooth headset and the user's ear to carry out the drying between bluetooth headset and the user's ear.
6. The stereo Bluetooth headset with ANC noise reduction function of claim 3, wherein the data analysis module is configured to analyze the data obtained by the temperature detection unit, and the specific analysis process includes the following steps:
step DD1: setting the normal working temperature threshold range of the Bluetooth headset as (W0, W1), wherein W0 and W1 are the normal working temperature thresholds of the system preset headset, and W0 is more than 0 and less than W1;
step DD2: obtaining the change rate Wwb of the temperature of the outer surface of the Bluetooth headset through a formula Wwb = (Ww 2-Ww 1)/(t 2-t 1), wherein when Wwb is greater than 0, the change rate Wwb represents that the temperature of the outer surface of the Bluetooth headset rises; when Wwb is less than 0, the temperature of the outer surface of the Bluetooth headset is reduced;
step DD3: when Wwb is smaller than 0, ww1 is smaller than W0, and Nw1 is smaller than W0, the temperature of the outer surface of the Bluetooth headset is judged to be too low, and the temperature adjusting module heats the Bluetooth headset; when Wwb is smaller than 0, W0 is larger than Ww1 and smaller than W1, and Nw1 is smaller than W0, the temperature of the outer surface of the Bluetooth headset is judged to be too low, and the temperature adjusting module heats the Bluetooth headset; when Wwb is smaller than 0, ww1 is larger than W1 and Nw1 is smaller than WO, judging that the temperature of the outer surface of the Bluetooth headset is too high, and enabling the temperature adjusting module to dissipate heat of the Bluetooth headset;
step DD4: when Wwb is larger than 0, ww1 is larger than W1 and Nw1 is smaller than W0, judging that the temperature of the outer surface of the Bluetooth headset is too high, and cooling the Bluetooth headset by the temperature adjusting module; when Wwb > 0, ww1 > W1 and Nw1 > W1, then judge that bluetooth headset surface temperature and inside temperature are all too high, then temperature regulation module dispels the heat to bluetooth headset.
7. The stereo Bluetooth headset with ANC noise reduction function as claimed in claim 4, wherein the data analysis module is configured to analyze the data obtained by the power detection unit, and the specific analysis process includes the following steps:
step LL1: obtaining the residual service time TS of the Bluetooth headset through a formula TS = (beta multiplied by SD)/(Dd + DO), and uploading the TS to an electric quantity early warning module, wherein beta is a system correction coefficient, beta is more than 0 and less than or equal to 1, D0 is a fixed loss electric quantity value of the Bluetooth headset in unit time, and D0 is more than 0;
step LL2: and when the TS is less than or equal to TS ', the electric quantity early warning module sends a voice prompt to the user, wherein the TS ' is a preset electric quantity alarm threshold value of the system, and the TS ' is greater than 0.
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| CN109640209A (en) * | 2019-01-24 | 2019-04-16 | 合肥星空物联信息科技有限公司 | A kind of bluetooth headset based on sensor intelligent operation |
| CN110383373A (en) * | 2017-02-06 | 2019-10-25 | 消音器设备有限公司 | It is eliminated using the noise that segment frequence dependent phase is offset |
| CN111741401A (en) * | 2020-08-26 | 2020-10-02 | 恒玄科技(北京)有限公司 | Wireless communication method for wireless headset assembly and wireless headset assembly |
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| US8699719B2 (en) * | 2009-03-30 | 2014-04-15 | Bose Corporation | Personal acoustic device position determination |
| US8649526B2 (en) * | 2010-09-03 | 2014-02-11 | Nxp B.V. | Noise reduction circuit and method therefor |
| US10425717B2 (en) * | 2014-02-06 | 2019-09-24 | Sr Homedics, Llc | Awareness intelligence headphone |
| US20150294662A1 (en) * | 2014-04-11 | 2015-10-15 | Ahmed Ibrahim | Selective Noise-Cancelling Earphone |
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| CN110383373A (en) * | 2017-02-06 | 2019-10-25 | 消音器设备有限公司 | It is eliminated using the noise that segment frequence dependent phase is offset |
| CN109640209A (en) * | 2019-01-24 | 2019-04-16 | 合肥星空物联信息科技有限公司 | A kind of bluetooth headset based on sensor intelligent operation |
| CN111741401A (en) * | 2020-08-26 | 2020-10-02 | 恒玄科技(北京)有限公司 | Wireless communication method for wireless headset assembly and wireless headset assembly |
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