CN103960815A - Safety helmet - Google Patents
Safety helmet Download PDFInfo
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- CN103960815A CN103960815A CN201310039728.0A CN201310039728A CN103960815A CN 103960815 A CN103960815 A CN 103960815A CN 201310039728 A CN201310039728 A CN 201310039728A CN 103960815 A CN103960815 A CN 103960815A
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- crash helmet
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Abstract
The invention discloses a safety helmet which is provided with an MCU (micro control unit), a sound acquisition module, a sound processing module and a loudspeaker, wherein the MCU is used for controlling the sound acquisition module to acquire an environmental sound and transmitting the acquired environmental sound to the sound processing module; the sound processing module is used for linearly amplifying the environmental sound and transmitting the amplified sound to the loudspeaker for playing. According to the safety helmet, a driver can remarkably and clearly hear hoot of surrounding vehicles and other sounds while wearing the helmet for protection and cold prevention, so that the inconvenience due to reduced environmental sound caused by wearing of the safety helmet is avoided, the occurrence rate of traffic accidents is greatly reduced, and the safety driving of the driver is guaranteed.
Description
Technical field
The present invention relates to a kind of crash helmet, particularly relate to a kind of can collection and transmission environment sound and can carry out the crash helmet of bluetooth conversation and audio call.
Background technology
Along with scientific and technological develop rapidly, the vehicles of people's trip become very diversification, and electric motor car is due to brisk, the convenient and environmental protection of self, firmly gets everybody high praise.But in providing convenience, often also can bring certain puzzlement, conventionally for security needs, in driving electric motor car, need the safe wearing helmet, in order to avoid injure head in the time there is traffic accident.But in the time wearing the helmet; often there will be such problem; ambient sound has around diminished; special after one's death and the automobile of both sides or other vehicles sound stopping due to the helmet of blowing a whistle; wave volume diminishes to such an extent as to plays not the effect of warning; and the voice in common when speech also cannot be heard substantially, therefore this has brought hidden trouble of traffic more or less.And, in the time driving electric motor car, if hand held mobile phone is conversed on one side, drive by bike on one side, be also breakneck.
Summary of the invention
The technical problem to be solved in the present invention is can stop that in order to overcome crash helmet that in prior art, people wear by bike time the sound of environment causes existing the defect of potential safety hazard in the time driving, and provides a kind of and can gather and transmission environment sound and can carry out the crash helmet of bluetooth conversation and audio call.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of crash helmet, its feature is, it is provided with a MCU(micro-control unit), a sound collection module, an acoustic processing module and a loudspeaker, this MCU gathers ambient sound and this ambient sound collecting is transferred to this acoustic processing module for controlling this sound collection module, this acoustic processing module is amplified for this ambient sound being carried out to linearity, and this ambient sound after amplifying is sent to this loudspeaker to play.
At people's safe wearing helmet, by bike time, traditional crash helmet can stop ambient sound, causes human pilot cannot not hear ambient sound in the time of steering vehicle, thereby may cause hidden trouble of traffic.
And in the present invention, this crash helmet just can address the above problem, be specially: in the time that people wear this crash helmet driving, MCU in this crash helmet can control this sound collection module Real-time Collection ambient sound around, comprise blow a whistle sound and other various sound of nearby vehicle, and the ambient sound collecting is transferred to this acoustic processing module, this MCU also can control this acoustic processing module the ambient sound collecting is carried out to linearity amplification by certain multiple, to reach the volume of basic reducing environment sound itself, and this ambient sound after amplifying is sent to this loudspeaker and listens to play to human pilot.
Like this; just make human pilot wear that the helmet is protected and the measure that keeps out the cold in; can obviously clearly hear blow a whistle sound and other sound of nearby vehicle; avoid due to the ambient sound causing with the crash helmet all inconvenience bringing that diminishes; thereby greatly reduce the incidence of traffic accident, ensured the safe driving of human pilot.
Preferably, this sound collection module is a first external microphone.This first microphone specifically can be placed on the dead astern of this crash helmet, thereby can more know and directly gather ambient sound.
Preferably, this acoustic processing module is a linear audio amplifier.This linear audio amplifier is electrically connected with this first microphone and this MCU respectively, and this linear audio amplifier can be realized linear amplification by building negative-feedback circuit.
Preferably, this loudspeaker is a boombox, for this ambient sound after amplifying is carried out to amplitude limiting processing, and this ambient sound after playback process.This loudspeaker specifically can be built in the place of the ear of close human pilot in this crash helmet, so just make human pilot can more clearly not hear extraneous ambient sound, and this loudspeaker has automatic amplitude limit function, so just can prevent because external environmental sounds is compared with the ear-drum that injures greatly human pilot.
Preferably, this crash helmet is also provided with a GSM(global system for mobile communications being electrically connected with this MCU) module and an external GSM antenna, search out after GSM network at this GSM antenna, this MCU also connects with the radio frequency that cuts off this gsm module for send one the one AT instruction (control instruction sending from terminal device to terminal adapter) to this gsm module, and sends one the 2nd AT instruction to set up radio frequency and connect and to send call receiving after a call signal to this gsm module.
This gsm module is finding after GSM network by this GSM antenna, can automatically enter holding state, enter after standby mode, this MCU can send an AT instruction to this gsm module, concrete instruction is that AT+CFUN=4(is for setting the AT instruction of phone function), the radio frequency that cuts off this gsm module by an AT instruction connects, and stood by consumption current amount is down to minimum, reduces power consumption and radiation.
Meet with accident in human pilot is travelling way time, can be in the very first time, the mode of calling out by a key is reported to the police, and specifically can call for help button in the arranged outside of this crash helmet one, pressing after this calling for help button, will generate a call signal, and this MCU is receiving after this call signal, can send the 2nd AT instruction to this gsm module, concrete instruction is AT+CFUN=1, just can control this gsm module and complete radio frequency connection, set up radio frequency and connect, and then send call.Particularly, this MCU can send AT instruction ATD110(for dialing the AT instruction of assigned telephone number 110 by serial ports), dial 110 and report to the police.
Preferably, this crash helmet is also provided with a built-in second microphone, this MCU also for by IO interface (input-output apparatus interface) by the audio signal transmission of this second microphone to this gsm module, and control this second microphone collection the audio signal that produces of output in communication process.
Putting through after phone, this MCU can also open the multiplex switch of this second microphone and the multiplex switch of this loudspeaker by IO interface, and by the audio signal transmission of this second microphone to this gsm module, thereby after making to put through alarm call, just can carry out voice contact by this second microphone and called system.
Realize an one-key emergent call function by this gsm module, make human pilot in the situation that not wearing any mobile terminal, once there is traffic accident, still can the very first time carry out Emergency Assistance.And greatly shorten distress period, avoided the more serious consequence of bringing not in time owing to calling out.
And after end of conversation, this MCU can also disconnect this second microphone, and again control this first microphone collection ambient sound.
Preferably, a built-in bluetooth earphone chip also in this gsm module, this crash helmet is also provided with an external Bluetooth antenna, this MCU is also for receiving after a bluetooth connection signal, controlling this bluetooth earphone chip mates with a bluetooth equipment by this Bluetooth antenna, and after coupling completes by IO interface by the audio signal transmission of this second microphone to this bluetooth earphone chip, and control this second microphone collection the audio signal that produces of output in bluetooth conversation process.
The outside of this crash helmet can arrange a Bluetooth key, human pilot is in travelling on the way, if had while utilizing needing of conversing with the mobile terminal of Bluetooth function, can press this Bluetooth key, thereby will generate this bluetooth and connect signal, this MCU is receiving after this bluetooth connection signal, will control this bluetooth earphone chip mates with the equipment with Bluetooth function by this Bluetooth antenna, after having mated, this bluetooth earphone chip just and between this equipment with Bluetooth function, set up bluetooth and be connected, by IO interface by the audio signal transmission of this second microphone to this bluetooth earphone chip, thereby just can converse by this second microphone.
And, utilizing Bluetooth function to finish after call, this MCU also can disconnect this second microphone, and again controls this first microphone collection ambient sound.
Positive progressive effect of the present invention is: the present invention can make human pilot wear that the helmet is protected and the measure that keeps out the cold in; can obviously clearly hear blow a whistle sound and other sound of nearby vehicle; avoid due to the ambient sound causing with the crash helmet all inconvenience bringing that diminishes; thereby greatly reduce the incidence of traffic accident, ensured the safe driving of human pilot.And can realize an one-key emergent call function by gsm module, make human pilot in the situation that not wearing any mobile terminal, once there is traffic accident, still can the very first time carry out Emergency Assistance.And greatly shorten distress period, avoided the more serious consequence of bringing not in time owing to calling out.
Brief description of the drawings
Fig. 1 is the structure chart of the crash helmet of a preferred embodiment of the present invention.
Fig. 2 is the overall hardware circuit connection layout of the crash helmet of a preferred embodiment of the present invention.
Fig. 3 is the left surface perspective view of the crash helmet of a preferred embodiment of the present invention.
Fig. 4 is the right flank perspective view of the crash helmet of a preferred embodiment of the present invention.
Detailed description of the invention
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As shown in Figure 1, crash helmet of the present invention is provided with the first microphone 2 that a MCU1, is placed on this crash helmet, a linear audio amplifier 3, a built-in loudspeaker 4, and is built in second microphone in this crash helmet 5, a gsm module 6, external GSM antenna 7, bluetooth earphone chip 8 and the external Bluetooth antenna 9 being built in this gsm module 6.
Referring to Fig. 2, wherein, this MCU1 is electrically connected respectively at this gsm module 6, this bluetooth earphone chip 8 and this linear audio amplifier 3,2 of this first microphones are electrically connected with this linear audio amplifier 3,3, this linear audio amplifier is electrically connected by a SP3T switch and this loudspeaker 4, and 5 of this second microphones are electrically connected with this gsm module 6 and this bluetooth earphone chip 8 respectively by a SP3T switch.
At people's safe wearing helmet, by bike time, traditional crash helmet can stop ambient sound, causes human pilot cannot not hear ambient sound in the time of steering vehicle, thereby may cause hidden trouble of traffic.
And in the present invention, this crash helmet just can address the above problem, be specially: with reference to figure 1-4, in the outside of this crash helmet, one total power switch button 11 can be set, can utilize No. seven Ni-MH batteries of three joint 1.5V to power to whole system.In the time that people wear this crash helmet driving, can first press this total power switch button 11, the whole system of this crash helmet will be started working after energising.Wherein, MCU1 in this crash helmet can control these the first microphone 2 Real-time Collections ambient sound around, comprise blow a whistle sound and other various sound of nearby vehicle, and the voice signal collecting be converted to the signal of telecommunication, then by electric signal transmission to this linear audio amplifier 3.
This MCU1 also can control this linear audio amplifier 3 this signal of telecommunication is processed, so that being carried out to linearity by certain multiple, amplifies the ambient sound collecting, to reach the volume of basic reducing environment sound itself, and this ambient sound after amplifying is sent to this loudspeaker 4 with the form of the signal of telecommunication, 4 of this loudspeakers the most at last signal of telecommunication are reduced to voice signal and play to human pilot and listen.
Like this; just make human pilot wear that the helmet is protected and the measure that keeps out the cold in; can obviously clearly hear blow a whistle sound and other sound of nearby vehicle; avoid due to the ambient sound causing with the crash helmet all inconvenience bringing that diminishes; thereby greatly reduce the incidence of traffic accident, ensured the safe driving of human pilot.
And this first microphone 2 specifically can be placed on the dead astern of this crash helmet, thereby can more know and directly gather ambient sound, this linear audio amplifier 3 can be realized linear amplification by building negative-feedback circuit, this loudspeaker 4 specifically can be built in the place of the ear of close human pilot in this crash helmet, so just make human pilot can more clearly not hear extraneous ambient sound, and this loudspeaker 4 has automatic amplitude limit function, so just can prevent because external environmental sounds is compared with the ear-drum that injures greatly human pilot.
And this gsm module 6 is finding after GSM network by this GSM antenna 7, can automatically enter holding state, enter after standby mode, this MCU1 can send an AT instruction to this gsm module 6, concrete instruction is AT+CFUN=4, the radio frequency that cuts off this gsm module 6 by an AT instruction connects, and stood by consumption current amount is down to minimum, reduces power consumption and radiation.
Meet with accident in human pilot is travelling way time, can be in the very first time, the mode of calling out by a key is reported to the police, and specifically can call for help button 12 in the arranged outside of this crash helmet one, pressing after this calling for help button 12, will generate a call signal, and this MCU1 is receiving after this call signal, can send the 2nd AT instruction to this gsm module 6, concrete instruction is AT+CFUN=1, just can control this gsm module 6 and complete radio frequency connection, set up radio frequency and connect, and then send call.Particularly, this MCU1 can send AT instruction ATD110 by serial ports, dials 110 and reports to the police.
Meanwhile, this MCU1 also by IO interface utilize SP3T switch by the audio signal transmission of this second microphone 5 to this gsm module 6, and control second microphone 5 gather and export the audio signal producing in communication process.
Putting through after phone, this MCU1 can also open the multiplex switch of this second microphone 5 and the multiplex switch of this loudspeaker 4 by IO interface, and the audio frequency of this second microphone 5 and this loudspeaker 4 are all connected to this gsm module 6, thereby just can carry out voice contact with called system by this second microphone 5 after making to put through alarm call.
Realize an one-key emergent call function by this gsm module 6, make human pilot in the situation that not wearing any mobile terminal, once there is traffic accident, still can the very first time carry out Emergency Assistance.And greatly shorten distress period, avoided the more serious consequence of bringing not in time owing to calling out.
And after end of conversation, this MCU1 can also disconnect this second microphone 5, and again control this first microphone 2 and gather ambient sound.
Wherein, in the outside of this crash helmet, one Bluetooth key 13 can also be set, human pilot is in travelling on the way, if had while utilizing needing of conversing with the mobile terminal of Bluetooth function, can press this Bluetooth key 13, thereby will generate bluetooth and connect signal, this MCU1 is receiving after this bluetooth connection signal, will control this bluetooth earphone chip 8 mates with the equipment with Bluetooth function by this Bluetooth antenna 9, after having mated, between this bluetooth earphone chip 8 and this mobile terminal with Bluetooth function, just having set up bluetooth is connected, by IO interface by the audio signal transmission of this second microphone 5 to this bluetooth earphone chip 8, this loudspeaker 4 is also connected to this bluetooth earphone chip 8 simultaneously, thereby just can converse by this second microphone 5.
And, utilizing Bluetooth function to finish after call, this MCU1 equally also can disconnect this second microphone 5, and again controls this first microphone 2 and gather ambient sound.
Wherein, the main power supply of the whole system of this crash helmet is No. seven Ni-MH batteries of the chargeable 1.5V of three joints, 4.5V altogether, after by 11 starts of total power switch button, 4.5V power supply is directly supplied with this gsm module 6, this linear audio amplifier 3 and a low pressure difference linear voltage regulator, and this low pressure difference linear voltage regulator can supply this MCU1 by resistance proportioning regulation output 3.3V again, this bluetooth earphone chip 8 and this first microphone 2 and this second microphone 5 use, No. seven Ni-MH batteries of three joints can often charge to ensure electric weight by charging adapter.
Wherein, the concrete facilities of the various piece of this crash helmet can be referring to Fig. 3 and Fig. 4, as seen from Figure 3, upper outside this GSM antenna 7, this Bluetooth antenna 9, the charging inlet 10 of being equipped with of this crash helmet, this crash helmet dead astern disposes this first microphone 2, and this crash helmet is also built-in with SIM(client identification module) deck, this loudspeaker 4 and this second microphone 5.
This GSM antenna 7 is placed on to the outside of this crash helmet, not only searchable GSM network, and also to human pilot head, radiation proof also has certain protective effect.This charging inlet 10 can directly connect galvanic DC adapter that 220V alternating current turns 5V to charge to Ni-MH battery.The posteroinferior sound of this crash helmet ordinary circumstance in the time wearing blocks at most, therefore this first microphone 2 is placed on to the dead astern of this crash helmet, can amplify the sound being blocked after one's death.
This built-in second microphone 5 need to be controlled at 10-15 centimetre with the distance of the source of sound of human pilot speech, to ensure definition and the comfort level of speech, and can advantageously collect the volume that inner helmet weakens.
Referring to Fig. 4, wherein can find out that this crash helmet is upper outside to be equipped with this total power switch button 11, this calling for help button 12 and this Bluetooth key 13, and be built-in with the battery case 14 that holds Ni-MH battery.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and amendment all fall into protection scope of the present invention.
Claims (7)
1. a crash helmet, it is characterized in that, it is provided with a MCU, a sound collection module, an acoustic processing module and a loudspeaker, this MCU gathers ambient sound and this ambient sound collecting is transferred to this acoustic processing module for controlling this sound collection module, this acoustic processing module is amplified for this ambient sound being carried out to linearity, and this ambient sound after amplifying is sent to this loudspeaker to play.
2. crash helmet as claimed in claim 1, is characterized in that, this sound collection module is a first external microphone.
3. crash helmet as claimed in claim 2, is characterized in that, this acoustic processing module is a linear audio amplifier.
4. crash helmet as claimed in claim 3, is characterized in that, this loudspeaker is a boombox, for this ambient sound after amplifying is carried out to amplitude limiting processing, and this ambient sound after playback process.
5. crash helmet as claimed in claim 1, it is characterized in that, this crash helmet is also provided with a gsm module being electrically connected with this MCU and an external GSM antenna, search out after GSM network at this GSM antenna, this MCU also connects with the radio frequency that cuts off this gsm module for send one the one AT instruction to this gsm module, and sends one the 2nd AT instruction to set up radio frequency and connect and to send call receiving after a call signal to this gsm module.
6. crash helmet as claimed in claim 5, it is characterized in that, this crash helmet is also provided with a built-in second microphone, this MCU also for by IO interface by the audio signal transmission of this second microphone to this gsm module, and control this second microphone collection the audio signal that produces of output in communication process.
7. crash helmet as claimed in claim 6, it is characterized in that, a built-in bluetooth earphone chip also in this gsm module, this crash helmet is also provided with an external Bluetooth antenna, this MCU is also for receiving after a bluetooth connection signal, controlling this bluetooth earphone chip mates with a bluetooth equipment by this Bluetooth antenna, and after coupling completes by IO interface by the audio signal transmission of this second microphone to this bluetooth earphone chip, and control this second microphone collection the audio signal that produces of output in bluetooth conversation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039728.0A CN103960815A (en) | 2013-01-31 | 2013-01-31 | Safety helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039728.0A CN103960815A (en) | 2013-01-31 | 2013-01-31 | Safety helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103960815A true CN103960815A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310039728.0A Pending CN103960815A (en) | 2013-01-31 | 2013-01-31 | Safety helmet |
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| Country | Link |
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| CN (1) | CN103960815A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108741373A (en) * | 2018-07-04 | 2018-11-06 | 展图高科(北京)文化传播有限公司 | The helmet |
| CN110139016A (en) * | 2019-07-05 | 2019-08-16 | 昆山玖趣智能科技有限公司 | A kind of head mounted image-sensing head multi-microphone system |
| CN111405538A (en) * | 2020-03-27 | 2020-07-10 | 深圳光启超材料技术有限公司 | Intelligent helmet and control method thereof |
| CN112155276A (en) * | 2020-09-30 | 2021-01-01 | 康京博 | Helmet and helmet system |
| CN112205707A (en) * | 2020-11-09 | 2021-01-12 | 西安科技大学 | Intelligent fire fighting helmet based on mobile communication and facing to high-rise building fire |
-
2013
- 2013-01-31 CN CN201310039728.0A patent/CN103960815A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108741373A (en) * | 2018-07-04 | 2018-11-06 | 展图高科(北京)文化传播有限公司 | The helmet |
| CN110139016A (en) * | 2019-07-05 | 2019-08-16 | 昆山玖趣智能科技有限公司 | A kind of head mounted image-sensing head multi-microphone system |
| CN110139016B (en) * | 2019-07-05 | 2024-06-07 | 昆山玖趣智能科技有限公司 | Multi-microphone system of head-mounted camera |
| CN111405538A (en) * | 2020-03-27 | 2020-07-10 | 深圳光启超材料技术有限公司 | Intelligent helmet and control method thereof |
| CN112155276A (en) * | 2020-09-30 | 2021-01-01 | 康京博 | Helmet and helmet system |
| CN112205707A (en) * | 2020-11-09 | 2021-01-12 | 西安科技大学 | Intelligent fire fighting helmet based on mobile communication and facing to high-rise building fire |
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Application publication date: 20140806 |