CN110958528A - Neck hanging type explosion-proof and noise-proof Bluetooth headset - Google Patents
Neck hanging type explosion-proof and noise-proof Bluetooth headset Download PDFInfo
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- CN110958528A CN110958528A CN201911327598.4A CN201911327598A CN110958528A CN 110958528 A CN110958528 A CN 110958528A CN 201911327598 A CN201911327598 A CN 201911327598A CN 110958528 A CN110958528 A CN 110958528A
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- noise reduction
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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
- H04R1/105—Earpiece supports, e.g. ear hooks
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1025—Accumulators or arrangements for charging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a neck-hung explosion-proof and noise-proof Bluetooth headset which comprises a noise reduction headset, a neck hanging ring and a headset main body arranged at the tail ends of two sides of the neck hanging ring, wherein the noise reduction headset comprises a loudspeaker and a micro microphone, the headset main body comprises an anti-static accommodating shell, and a Bluetooth module, an audio module, an explosion-proof battery, a noise reduction circuit and a controller which are arranged in the accommodating shell, the loudspeaker and the micro microphone are respectively connected with the audio module, and the Bluetooth module, the audio module, the explosion-proof battery and the noise reduction circuit are respectively connected with the controller. The noise-proof and explosion-proof performance of the Bluetooth headset is improved through the noise reduction circuit and various explosion-proof technologies, and the volume and the weight of the headset are effectively reduced through the design of the neck hanging ring structure, so that the headset is more suitable for places with high explosion risk and noise, and safety helmets need to be worn.
Description
Technical Field
The invention relates to the technical field of earphones, in particular to a neck-hung explosion-proof anti-noise Bluetooth earphone.
Background
Along with the development of intelligent electronic products, wireless bluetooth headset brings great convenience for people's communication, and its use also obviously increases. However, in places with explosion danger and high noise, the common Bluetooth headset is not free from interference of external noise, and meanwhile, potential safety hazards are brought to places with explosion danger.
At present, although anti-noise earphones are available on the market, most earphones are head-mounted earphones and do not have an explosion-proof function, have larger volume and weight, and are not suitable for dangerous places needing to wear safety helmets.
Disclosure of Invention
In view of the above, the invention provides a neck-hung explosion-proof and noise-proof bluetooth headset, which improves the noise-proof and explosion-proof performance of the bluetooth headset through a noise reduction circuit and various explosion-proof technologies, and effectively reduces the volume and weight of the headset through the design of a neck-hung ring structure, so that the headset is more suitable for places with high noise and explosion risks, and safety helmets need to be worn.
In order to achieve the above object, the present invention provides a neck-hung explosion-proof and noise-proof bluetooth headset, comprising a noise reduction headset, a neck hanging ring and a headset main body arranged at the two ends of the neck hanging ring, wherein the noise reduction headset comprises a speaker and a micro microphone, the headset main body comprises an anti-static accommodating shell and a bluetooth module, an audio module, an explosion-proof battery, a noise reduction circuit and a controller arranged in the accommodating shell, the speaker and the micro microphone are respectively connected with the audio module, the bluetooth module, the audio module, the explosion-proof battery and the noise reduction circuit are respectively connected with the controller, wherein,
the miniature microphone is used for acquiring noise signals of the external environment;
the noise reduction circuit is used for processing the noise signal and sending out a sound wave signal with the phase opposite to that of the noise signal and the same amplitude through the loudspeaker so as to cancel the noise.
Preferably, the neck-hung explosion-proof and noise-proof Bluetooth headset further comprises a noise reduction microphone, the noise reduction microphone is connected with the audio module, and the noise reduction microphone is used for audio signal input.
Preferably, the noise reduction microphone is arranged on the accommodating shell, an accommodating groove is formed in the accommodating shell, and the noise reduction microphone can be accommodated in the accommodating groove in a folding mode.
Preferably, the neck-hung explosion-proof and noise-proof Bluetooth headset further comprises a battery protection module, the explosion-proof battery and the controller are respectively connected with the battery protection module, and the battery protection module is used for realizing the adjustment of voltage and current in the charging and discharging processes of the explosion-proof battery.
Preferably, the hanging explosion-proof anti-noise bluetooth headset of neck still including set up in put the formula charging seat of inhaling of receiving the casing bottom, magnetism inhale the formula charging seat with battery protection module connects.
Preferably, the neck-hung explosion-proof and noise-proof Bluetooth headset further comprises a circuit board, and the Bluetooth module, the audio module, the noise reduction circuit and the controller are integrated on the circuit board.
Preferably, the neck-hung explosion-proof and noise-proof Bluetooth headset further comprises a key unit arranged on the accommodating shell, and the key unit is connected with the controller.
Preferably, the explosion-proof battery is a lithium manganate ion battery, diaphragm paper for preventing the positive electrode and the negative electrode of the battery from directly touching to form a short circuit is arranged in the lithium manganate ion battery, and a plurality of micropores are uniformly distributed on the diaphragm paper.
Preferably, the number of the noise reduction earphones is two, and each noise reduction earphone is connected to the accommodating shell through an earphone wire packaged by silica gel.
Preferably, the neck hanging ring, the accommodating shell and the earphone line are all made of silica gel materials which are packaged by adding carbon powder and glue.
In summary, the invention discloses a neck-hung explosion-proof and noise-proof bluetooth earphone, which collects noise signals in the environment by arranging a micro microphone in a noise-reducing earphone, and generates sound waves opposite to the noise according to the collected noise signals by a noise-reducing circuit to weaken or offset the environmental noise, thereby effectively improving the noise-proof performance of the earphone, limiting the conditions of explosion by various explosion-proof technologies such as an anti-static accommodating shell, an explosion-proof battery and the like, effectively improving the explosion-proof performance of the earphone, and effectively reducing the volume and weight of the earphone by the design of a neck hanging ring structure, so that the earphone is more suitable for the high-noise places with explosion risk, in which a safety helmet needs to be worn.
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 an exploded view of a neck-hung anti-explosion and anti-noise Bluetooth headset in a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of a neck-hung anti-explosion and anti-noise Bluetooth headset according to a preferred embodiment of the present invention;
fig. 3 is a schematic circuit structure diagram of a neck-hung anti-explosion and anti-noise bluetooth headset in a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a neck-hung explosion-proof and noise-proof Bluetooth headset, which comprises a noise reduction headset 1, a neck hanging ring 2 and a headset main body 3 arranged at the tail ends of two sides of the neck hanging ring 2, wherein the noise reduction headset 1 comprises a loudspeaker and a micro microphone, the headset main body 3 comprises an anti-static accommodating shell 7, a Bluetooth module, an audio module, an explosion-proof battery 11, a noise reduction circuit and a controller, which are arranged in the accommodating shell 7, the loudspeaker and the micro microphone are respectively connected with the audio module, the Bluetooth module, the audio module, the explosion-proof battery 11 and the noise reduction circuit are respectively connected with the controller, and the micro microphone is used for collecting noise signals of the external environment; the noise reduction circuit is used for processing the noise signal and sending out a sound wave signal with the phase opposite to that of the noise signal and the same amplitude through the loudspeaker so as to cancel the noise.
The noise reduction earphone has the advantages that the noise signals in the environment are collected by the micro microphone arranged in the noise reduction earphone 1, the noise waves opposite to the noise are generated according to the collected noise signals through the noise reduction circuit to weaken or offset the environmental noise, the anti-noise performance of the earphone is effectively improved, the explosion-proof conditions are limited through various explosion-proof technologies such as the anti-static accommodating shell 7 and the explosion-proof battery 11, the explosion-proof performance of the earphone is effectively improved, the size and the weight of the earphone are effectively reduced through the design of the structure of the neck hanging ring 2, and therefore the earphone is more suitable for places with high noise and explosion risks, and safety helmets need to be worn.
The invention establishes Bluetooth communication connection between a controller and external equipment through a Bluetooth module so as to realize transmission of audio signals, the audio signals are transmitted to the controller through the Bluetooth module and then transmitted to the audio module to be processed by the controller, the processed audio signals are played through a loudspeaker of a noise reduction earphone 1, noise signals in the environment are collected through a micro microphone in the noise reduction earphone 1 and transmitted to the audio module while the loudspeaker plays audio, the collected noise signals are preprocessed by the audio module and then transmitted to the controller, the controller transmits the noise signals to a noise reduction circuit for processing, the noise reduction circuit outputs corresponding noise cancellation signals to the controller through analysis of the noise signals, the controller transmits the noise cancellation signals to the audio module, the audio module generates a sound wave opposite to the noise according to the noise cancellation signals and plays the sound wave through the loudspeaker of the noise reduction earphone 1 to be weakened or cancelled The noise reduction device has the advantages that the ambient noise is eliminated, the interference of the ambient noise when a user uses the Bluetooth headset to play audio is reduced, and therefore the anti-noise performance of the Bluetooth headset is improved.
Specifically, in the embodiment, the controller adopts a BES2000-IS chip, and the BES2000-IS chip has a self-adaptive active noise reduction dual-mode bluetooth function, and has the characteristics of full integration, high performance, low power consumption and the like.
In this embodiment, the neck-hung explosion-proof and noise-proof bluetooth headset further includes a noise reduction microphone 10, the noise reduction microphone 10 is connected to the audio module, and the noise reduction microphone 10 is used for inputting audio signals. The noise reduction microphone 10 is mainly used for acquiring voice information of a wearing person when the bluetooth headset is worn for telephone conversation.
In this embodiment, the noise reduction microphone 10 is disposed on the housing case 7, the housing case 7 is provided with the accommodation groove 9, and the noise reduction microphone 10 can be accommodated in the accommodation groove 9 in a folding manner. Specifically can fall the one end of making an uproar microphone 10 and put in holding tank 9 and receive casing 7 articulated, fall taking in of making an uproar microphone 10 and open through the pivoted mode, also can make the shell of falling the oar microphone 10 through the soft materials that can bend at will to be convenient for adjust the angle of microphone wantonly as required. The arrangement facilitates the storage of the noise reduction microphone 10, and when the microphone is not used, the microphone can be folded in the accommodating groove 9 on the accommodating shell 7, so that the volume of the earphone is reduced, the noise reduction microphone 10 is protected, and the noise reduction microphone 10 is prevented from being damaged in the moving or placing process; when the microphone is used, the microphone is opened from the containing groove 9, and the distance between the microphone and the sound source is adjusted, so that the audio input signal with higher tone quality can be obtained.
In this embodiment, the neck-hung anti-explosion and anti-noise bluetooth headset further includes a battery protection module 12, the anti-explosion battery 11 and the controller are respectively connected to the battery protection module 12, and the battery protection module 12 is used for adjusting voltage and current during charging and discharging of the anti-explosion battery 11. The method comprises the steps that parameters such as voltage and current in the charging and discharging process of an explosion-proof battery 11 are detected through a current protection module, the detected parameters are forwarded to a controller, the controller compares, analyzes and processes the detected parameters in a preset parameter threshold value, and accordingly whether the parameters are normal in the working process of the battery is judged, the controller sends a corresponding control instruction to a battery protection module 12 according to a judgment result, and the battery protection module 12 adjusts the working state of the battery according to the control instruction, so that overvoltage protection, overcurrent protection, short-circuit protection, high-temperature protection and the like of the battery are achieved. Specifically, in this embodiment, the battery protection module 12 includes an XT4052 battery management chip, and the XT4052 is a perfect single-chip constant-current/constant-voltage linear power management chip of the lithium ion battery, and does not need an external resistor or a blocking diode in application. At high energy operation and high ambient temperature, the thermal feedback may control the charging current to reduce the chip temperature.
In this embodiment, the hanging explosion-proof anti-noise bluetooth headset of neck still includes to set up in putting the formula charging seat 14 of inhaling of magnetism that receives the casing 7 bottom, and formula charging seat 14 is inhaled to magnetism and battery protection module 12 is connected. Magnetism is inhaled formula charging seat 14 and is used for charging for bluetooth headset's explosion-proof battery 11, convenient operation, portable.
In this embodiment, the neck-hung explosion-proof and noise-proof bluetooth headset further comprises a circuit board 8, and the bluetooth module, the audio module, the noise reduction circuit and the controller are integrated on the circuit board 8. Specifically, in this embodiment, the circuit board 8 has an increased circuit spacing distance, and adopts a ceramic capacitor resistor design to achieve the purpose of improving the explosion-proof performance of the circuit board 8, thereby improving the explosion-proof performance of the bluetooth headset device.
In this embodiment, the neck-hung anti-explosion and anti-noise bluetooth headset further includes a key unit 13 disposed on the accommodating case 7, and the key unit 13 is connected to the controller. The key unit 13 mainly includes some function keys, and specifically, in the present embodiment, the key unit 13 includes a volume up key, a volume key, and a power switch key.
In this embodiment, the explosion-proof battery 11 is a lithium manganate ion battery, a separator paper for preventing the positive electrode and the negative electrode of the battery from directly touching to form a short circuit is arranged in the lithium manganate ion battery, and a plurality of micropores are uniformly distributed on the separator paper.
In this embodiment, the number of the noise reduction earphones 1 is two, and each noise reduction earphone 1 is connected to the accommodating shell 7 through the earphone line 6 packaged by the silica gel. The earphone wire 6 packaged by the silica gel has less electrostatic induction, so that the explosion-proof performance of the earphone is improved.
In this embodiment, the neck hanging ring 2, the accommodating case 7 and the earphone line 6 are made of silica gel material filled with carbon powder and encapsulated. The anti-static performance of the silica gel material added with the carbon powder glue filling encapsulation is good, the anti-static performance of the earphone can be better improved, and the anti-explosion performance of the earphone is further improved.
Specifically, in this embodiment, as shown in fig. 1 and 2, the earphone main body 3 includes a left main body module 301 and a right main body module 302, wherein the left main body module 301 and the right main body module 302 are respectively connected to the neck hanging ring 2 through a silicone connecting block 4, an outlet port 5 is disposed on the upper portion of the silicone connecting block 4, the noise reduction earphone 1 is connected to the outlet port 5 through an earphone wire 6, the left main body module 301 and the right main body module 302 both include an antistatic housing case 7, a circuit board 8 is disposed inside the housing case 7 of the left main body module 301, a bluetooth module, an audio module, a noise reduction circuit and a controller are integrated on the circuit board 8, a receiving groove 9 is disposed above the left main body module 301, a noise reduction microphone 10 is disposed in the receiving groove 9, an explosion-proof battery 11 and a battery protection module 12 are disposed inside the housing case 7 of the right main body module 302, a key unit 13 is disposed outside the housing case 7 of the, the bottom of the housing case 7 of the right main body module 302 is provided with a magnetic type charging seat 14.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A neck-hung explosion-proof and noise-proof Bluetooth headset is characterized by comprising a noise reduction headset, a neck hanging ring and a headset main body arranged at the tail ends of two sides of the neck hanging ring, wherein the noise reduction headset comprises a loudspeaker and a miniature microphone, the headset main body comprises an anti-static accommodating shell, and a Bluetooth module, an audio module, an explosion-proof battery, a noise reduction circuit and a controller which are arranged in the accommodating shell, the loudspeaker and the miniature microphone are respectively connected with the audio module, the Bluetooth module, the audio module, the explosion-proof battery and the noise reduction circuit are respectively connected with the controller, wherein,
the miniature microphone is used for acquiring noise signals of the external environment;
the noise reduction circuit is used for processing the noise signal and sending out a sound wave signal with the phase opposite to that of the noise signal and the same amplitude through the loudspeaker so as to cancel the noise.
2. The neck hanging type explosion-proof and noise-proof Bluetooth headset of claim 1, further comprising a noise reduction microphone connected with the audio module, wherein the noise reduction microphone is used for audio signal input.
3. The hanging explosion-proof noise-proof Bluetooth earphone of neck of claim 2, wherein the noise-reducing microphone is disposed on the housing case, the housing case is provided with a receiving groove, and the noise-reducing microphone can be received in the receiving groove in a folding manner.
4. The neck hanging type anti-explosion and anti-noise Bluetooth headset of claim 1, further comprising a battery protection module, wherein the anti-explosion battery and the controller are respectively connected with the battery protection module, and the battery protection module is used for adjusting voltage and current in the charging and discharging processes of the anti-explosion battery.
5. The anti-noise Bluetooth headset of claim 4, further comprising a magnetic charging base disposed at the bottom of the housing, wherein the magnetic charging base is connected to the battery protection module.
6. The neck type anti-explosion and anti-noise Bluetooth headset of claim 1, further comprising a circuit board, wherein the Bluetooth module, the audio module, the noise reduction circuit and the controller are integrated on the circuit board.
7. The neck type anti-explosion and anti-noise Bluetooth headset of claim 1, further comprising a key unit disposed on the accommodation case, wherein the key unit is connected to the controller.
8. The neck hanging type anti-explosion and anti-noise Bluetooth headset of claim 1, wherein the anti-explosion battery is a lithium manganate ion battery, a separator paper for preventing the positive and negative electrodes of the battery from directly touching to form a short circuit is arranged in the lithium manganate ion battery, and a plurality of micropores are uniformly distributed on the separator paper.
9. The hanging explosion-proof noise-proof Bluetooth headset of any one of claims 1-8, wherein the number of the noise-reducing headsets is two, and each noise-reducing headset is connected to the accommodating shell through a headset wire packaged by silica gel.
10. The hanging type explosion-proof and noise-proof Bluetooth headset as claimed in any one of claims 1-8, wherein the hanging ring, the accommodating case and the headset cord are all made of silicone material encapsulated with carbon powder and glue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911327598.4A CN110958528A (en) | 2019-12-20 | 2019-12-20 | Neck hanging type explosion-proof and noise-proof Bluetooth headset |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911327598.4A CN110958528A (en) | 2019-12-20 | 2019-12-20 | Neck hanging type explosion-proof and noise-proof Bluetooth headset |
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| CN110958528A true CN110958528A (en) | 2020-04-03 |
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| CN201911327598.4A Pending CN110958528A (en) | 2019-12-20 | 2019-12-20 | Neck hanging type explosion-proof and noise-proof Bluetooth headset |
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Cited By (1)
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| CN113240950A (en) * | 2021-05-20 | 2021-08-10 | 深圳市蔚来集团实业有限公司 | Neck hanging type instrument for developing fetal education mental intelligence |
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