CN203058461U - Safety helmet - Google Patents

Safety helmet Download PDF

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Publication number
CN203058461U
CN203058461U CN 201320057435 CN201320057435U CN203058461U CN 203058461 U CN203058461 U CN 203058461U CN 201320057435 CN201320057435 CN 201320057435 CN 201320057435 U CN201320057435 U CN 201320057435U CN 203058461 U CN203058461 U CN 203058461U
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China
Prior art keywords
sound
crash helmet
microphone
module
bluetooth
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CN 201320057435
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Chinese (zh)
Inventor
叶娜
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Shanghai Sunrise Simcom Electronic Technology Co Ltd
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Shanghai Sunrise Simcom Electronic Technology Co Ltd
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Priority to CN 201320057435 priority Critical patent/CN203058461U/en
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Abstract

The utility model discloses a safety helmet which is provided with an MCU (Microcontroller Unit), a sound collection module, a sound processing module and a loudspeaker, wherein the MCU is used for controlling the sound collection module to collect an environment sound and transmitting the collected environment sound to the sound processing module, and the sound processing module is used for performing linear amplification on the environment sound and sending the amplified environment sound to the loudspeaker for playing. According to the safety helmet, when a driver wears the helmet for protection and defending against the cold, the driver can hear a whistle sound of a surrounding vehicle and other sounds obviously and clearly, so that inconvenience brought by the weakened environment sound due to the fact that the safety helmet is worn is avoided, an occurrence rate of traffic accidents is reduced greatly, and safe driving of the driver is ensured.

Description

Crash helmet
Technical field
The utility model relates to a kind of crash helmet, particularly relates to a kind of can the collection and transmission environment sound and can carry out bluetooth conversation and the crash helmet of audio call.
Background technology
Along with the develop rapidly of science and technology, the very diversification that becomes of the vehicles of people trip, and electric motor car is because everybody high praise is firmly got in brisk, the convenient and environmental protection of self.But when providing convenience, often also can bring certain puzzlement to people, usually for security needs, when driving electric motor car, need the safe wearing helmet, in order to avoid when traffic accident occurring, injure head.But when wearing the helmet; such problem appears through regular meeting; ambient sound has on every side diminished; special reach the automobile of both sides or sound that other vehicles are blown a whistle after one's death because the stopping of the helmet; to such an extent as to diminishing, wave volume plays the effect of caution inadequately; and the voice in common when speech also can't be heard substantially, so this has brought traffic hidden danger more or less.And, when driving electric motor car, if hand held mobile phone is conversed on one side, Yi Bian drive by bike, also be breakneck.
The utility model content
The technical problems to be solved in the utility model is can stop that in order to overcome people wear in the prior art crash helmet by bike the time sound of environment causes existing the defective of potential safety hazard when driving, and provides a kind of and can gather and transmission environment sound and the crash helmet that can carry out bluetooth conversation and audio call.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of crash helmet, its characteristics are, it is provided with a MCU(micro-control unit), a sound collection module, an acoustic processing module and a loudspeaker, this MCU transfers to this acoustic processing module for this ambient sound that this sound collection module collection ambient sound of control also will collect, this acoustic processing module is used for that this ambient sound is carried out linearity amplifies, and this ambient sound after will amplifying is sent to this loudspeaker to play.
By bike the time, traditional crash helmet can stop ambient sound, causes human pilot can't not hear ambient sound when steering vehicle, thereby may cause traffic hidden danger at people's safe wearing helmet.
And in the utility model, this crash helmet just can address the above problem, be specially: when people wear this crash helmet driving, MCU in this crash helmet can control this sound collection module and gather ambient sound on every side in real time, blow a whistle sound and other various sound of comprising nearby vehicle, and the ambient sound that collects transferred to this acoustic processing module, this MCU also can control this acoustic processing module the ambient sound that collects is carried out the linearity amplification by certain multiple, reaching the volume of basic reducing environment sound itself, and this ambient sound after will 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; avoided all inconvenience of diminishing and bring owing to the ambient sound that causes of band crash helmet; thereby reduced the incidence of traffic accident greatly, guaranteed the mental awareness driving.
Preferably, this sound collection module is first an external microphone.This first microphone specifically can be placed on the dead astern of this crash helmet, thereby can know more 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 the amplification by building negative-feedback circuit.
Preferably, this loudspeaker is a boombox, be used for this ambient sound after amplifying is carried out amplitude limiting processing, and this ambient sound after the 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 from injuring greatly owing to external environmental sounds the ear-drum of human pilot.
Preferably, this crash helmet also is provided with a GSM(global system for mobile communications that is electrically connected with this MCU) module and an external GSM antenna, after this GSM antenna searches out the GSM network, this MCU also is used for sending one the one AT instruction (control instruction that sends from terminal device to terminal adapter) to this gsm module and connects with the radio frequency that cuts off this gsm module, and sends one the 2nd AT to this gsm module instruct to set up radio frequency and connect and send call after receiving a call signal.
This gsm module is after finding the GSM network by this GSM antenna, can enter holding state automatically, after entering standby mode, this MCU can send AT instruction to this gsm module, concrete instruction is used for setting the AT instruction of phone function for AT+CFUN=4(), the radio frequency that cuts off this gsm module by AT instruction connects, and it is minimum to make the stood by consumption current amount be down to, and reduces power consumption and radiation.
When in human pilot is travelling the way, meeting with accident, can report to the police by the mode that a key is called out in the very first time, specifically can call for help button in the arranged outside one of this crash helmet, after pressing this calling for help button, will generate a call signal, and this MCU can send the 2nd AT instruction to this gsm module after receiving this call signal, concrete instruction is AT+CFUN=1, just can control this gsm module and finish the radio frequency connection, set up radio frequency and connect, and then send call.Particularly, this MCU can send the AT instruction that AT instruction ATD110(is used for dialing assigned telephone number 110 by serial ports), dial 110 and report to the police.
Preferably, this crash helmet also is provided with second a built-in microphone, this MCU also is used for by IO interface (input-output apparatus interface) the audio signal transmission of this second microphone to this gsm module, and controls this second microphone collection and export the audio signal that produces in communication process.
After putting through phone, this MCU can also open the multiplex switch of this second microphone and the multiplex switch of this loudspeaker by the IO interface, and with the audio signal transmission of this second microphone to this gsm module, thereby make and just can carry out voice contact by this second microphone and called system after putting through alarm call.
Realize an one-key emergent call function by this gsm module, make human pilot under the situation of not wearing any portable terminal, in case traffic accident occurs, still can the very first time carry out Emergency Assistance.And shortened distress period greatly, avoided owing to call out the untimely more serious consequence of bringing.
And behind end of conversation, this MCU can also disconnect this second microphone and connecting, and controls this first microphone again and gather ambient sound.
Preferably, a built-in bluetooth earphone chip also in this gsm module, this crash helmet also is provided with an external Bluetooth antenna, this MCU also is used for after receiving bluetooth connection signal, controlling this bluetooth earphone chip mates by this Bluetooth antenna and a bluetooth equipment, and after coupling is finished by the IO interface with the audio signal transmission of this second microphone to this bluetooth earphone chip, and control the audio signal that this second microphone collection and output produce in the bluetooth communication process.
The outside of this crash helmet can arrange a bluetooth button, human pilot is in the way of travelling, when if needing that the portable terminal that utilizes the band Bluetooth function converses arranged, can press this bluetooth button, thereby will generate this bluetooth and connect signal, this MCU is after receiving this bluetooth connection signal, will control this bluetooth earphone chip mates by the equipment of this Bluetooth antenna with the band Bluetooth function, this bluetooth earphone chip just with between the equipment of this band Bluetooth function was set up bluetooth and is connected after coupling was finished, by the IO interface with the audio signal transmission of this second microphone to this bluetooth earphone chip, thereby just can converse by this second microphone.
And after utilizing Bluetooth function to finish conversation, this MCU also can disconnect this second microphone and connecting, and controls this first microphone again and gather ambient sound.
Positive progressive effect of the present utility model is: the utility model 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; avoided all inconvenience of diminishing and bring owing to the ambient sound that causes of band crash helmet; thereby reduced the incidence of traffic accident greatly, guaranteed the mental awareness driving.And can realize an one-key emergent call function by gsm module, make human pilot under the situation of not wearing any portable terminal, in case traffic accident occurs, still can the very first time carry out Emergency Assistance.And shortened distress period greatly, avoided owing to call out the untimely more serious consequence of bringing.
Description of drawings
Fig. 1 is the structure chart of the crash helmet of a preferred embodiment of the present utility model.
Fig. 2 is the whole hardware circuit connection layout of the crash helmet of a preferred embodiment of the present utility model.
Fig. 3 is the left surface perspective view of the crash helmet of a preferred embodiment of the present utility model.
Fig. 4 is the right flank perspective view of the crash helmet of a preferred embodiment of the present utility model.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As shown in Figure 1, crash helmet of the present utility model is provided with first microphone 2, a linear audio amplifier 3, a built-in loudspeaker 4, that a MCU1, is placed on this crash helmet and is built in second microphone 5, a gsm module 6, an external GSM antenna 7, in this crash helmet and is built in bluetooth earphone chip 8 and an external Bluetooth antenna 9 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 and this linear audio amplifier 3 are electrically connected, 3 in 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.
By bike the time, traditional crash helmet can stop ambient sound, causes human pilot can't not hear ambient sound when steering vehicle, thereby may cause traffic hidden danger at people's safe wearing helmet.
And in the utility model, this crash helmet just can address the above problem, and is 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.When people wear this crash helmet driving, can at 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 this first microphone 2 and gather ambient sound on every side in real time, comprise blow a whistle sound and other various sound of nearby vehicle, and the voice signal that collects is converted to the signal of telecommunication, then the signal of telecommunication is transferred to this linear audio amplifier 3.
This MCU1 also can control 3 pairs of these signals of telecommunication of this linear audio amplifier and handle, so that being carried out linearity by certain multiple, amplifies the ambient sound that collects, to reach the volume of basic reducing environment sound itself, and this ambient sound after will amplifying is sent to this loudspeaker 4 with the form of the signal of telecommunication, and 4 of this loudspeakers signal of telecommunication the most at last 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; avoided all inconvenience of diminishing and bring owing to the ambient sound that causes of band crash helmet; thereby reduced the incidence of traffic accident greatly, guaranteed the mental awareness driving.
And this first microphone 2 specifically can be placed on the dead astern of this crash helmet, thereby can know more and directly gather ambient sound, this linear audio amplifier 3 can be realized linear the 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 from injuring greatly owing to external environmental sounds the ear-drum of human pilot.
And this gsm module 6 is after finding the GSM network by this GSM antenna 7, can enter holding state automatically, after entering standby mode, this MCU1 can send AT instruction to this gsm module 6, concrete instruction is AT+CFUN=4, the radio frequency that cuts off this gsm module 6 by AT instruction connects, and it is minimum to make the stood by consumption current amount be down to, and reduces power consumption and radiation.
When in human pilot is travelling the way, meeting with accident, can report to the police by the mode that a key is called out in the very first time, specifically can call for help button 12 in the arranged outside one of this crash helmet, after pressing this calling for help button 12, will generate a call signal, and this MCU1 can send the 2nd AT instruction to this gsm module 6 after receiving this call signal, concrete instruction is AT+CFUN=1, just can control this gsm module 6 and finish the 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.
Simultaneously, this MCU1 also by the IO interface utilize the SP3T switch with the audio signal transmission of this second microphone 5 to this gsm module 6, and control second audio signal that microphone 5 is gathered and output produces in communication process.
After putting through phone, this MCU1 can also open the multiplex switch of this second microphone 5 and the multiplex switch of this loudspeaker 4 by the IO interface, and the audio frequency of this second microphone 5 and this loudspeaker 4 all be connected to this gsm module 6, thereby make and just can carry out voice contact by this second microphone 5 and called system after putting through alarm call.
Realize an one-key emergent call function by this gsm module 6, make human pilot under the situation of not wearing any portable terminal, in case traffic accident occurs, still can the very first time carry out Emergency Assistance.And shortened distress period greatly, avoided owing to call out the untimely more serious consequence of bringing.
And behind end of conversation, this MCU1 can also disconnect this second microphone 5 and connecting, and controls this first microphone 2 again and gather ambient sound.
Wherein, in the outside of this crash helmet one bluetooth button 13 can also be set, human pilot is in the way of travelling, when if needing that the portable terminal that utilizes the band Bluetooth function converses arranged, can press this bluetooth button 13, thereby will generate bluetooth and connect signal, this MCU1 is after receiving this bluetooth connection signal, will control this bluetooth earphone chip 8 mates by the equipment of this Bluetooth antenna 9 with the band Bluetooth function, just having set up bluetooth between the portable terminal of this bluetooth earphone chip 8 and this band Bluetooth function after coupling is finished is connected, by the IO interface with the audio signal transmission of this second microphone 5 to this bluetooth earphone chip 8, simultaneously this loudspeaker 4 also is connected to this bluetooth earphone chip 8, thereby just can converses by this second microphone 5.
And after utilizing Bluetooth function to finish conversation, this MCU1 equally also can disconnect this second microphone 5 and connecting, and controls this first microphone 2 again 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, be total to 4.5V, 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 be regulated output 3.3V for this MCU1 by the resistance proportioning again, this bluetooth earphone chip 8 and this first microphone 2 and this second microphone 5 use, and No. seven Ni-MH batteries of three joints then can often charge to guarantee electric weight by charging adapter.
Wherein, the situation that specifically arranges of the various piece of this crash helmet can be referring to Fig. 3 and Fig. 4, as seen from Figure 3, outer this GSM antenna 7, this Bluetooth antenna 9, the charging inlet 10 of being equipped with on this crash helmet, this crash helmet dead astern disposes this first microphone 2, and this crash helmet also is built-in with the SIM(client identification module) deck, this loudspeaker 4 and this second microphone 5.
This GSM antenna 7 is placed on the outside of this crash helmet, searchable GSM network not only, and to the human pilot head radiation proof also has the certain protection effect.This charging inlet 10 then can directly connect the 220V alternating current changes the galvanic DC adapter of 5V to charge to Ni-MH battery.The posteroinferior sound of this crash helmet ordinary circumstance when wearing blocks at most, therefore this first microphone 2 is placed on the dead astern of this crash helmet, the scalable sound that has been blocked after one's death.
Built-in this second microphone 5 then need with the distance control of the source of sound of human pilot speech at 10-15 centimetre, guaranteeing definition and the comfort level of speech, and can advantageously collect the volume that inner helmet weakens.
Referring to Fig. 4, wherein be equipped with this total power switch button 11, this calling for help button 12 and this bluetooth button 13 outward on this crash helmet as can be seen, and be built-in with the battery case 14 that holds Ni-MH battery.
Though more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.

Claims (7)

1. 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 transfers to this acoustic processing module for this ambient sound that this sound collection module collection ambient sound of control also will collect, this acoustic processing module is used for that this ambient sound is carried out linearity amplifies, and this ambient sound after will 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 first an 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, be used for this ambient sound after amplifying is carried out amplitude limiting processing, and this ambient sound after the playback process.
5. crash helmet as claimed in claim 1, it is characterized in that, this crash helmet also is provided with a gsm module that is electrically connected with this MCU and an external GSM antenna, after this GSM antenna searches out the GSM network, this MCU also is used for sending the radio frequency that one the one AT instructs to cut off this gsm module to this gsm module and connects, and sends one the 2nd AT to this gsm module instruct to set up radio frequency and connect and send call after receiving a call signal.
6. crash helmet as claimed in claim 5, it is characterized in that, this crash helmet also is provided with second a built-in microphone, this MCU also is used for by the IO interface the audio signal transmission of this second microphone to this gsm module, and controls this second microphone collection and export the audio signal that produces 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 also is provided with an external Bluetooth antenna, this MCU also is used for after receiving bluetooth connection signal, controlling this bluetooth earphone chip mates by this Bluetooth antenna and a bluetooth equipment, and after coupling is finished by the IO interface with the audio signal transmission of this second microphone to this bluetooth earphone chip, and control the audio signal that this second microphone collection and output produce in the bluetooth communication process.
CN 201320057435 2013-01-31 2013-01-31 Safety helmet Active CN203058461U (en)

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Application Number Priority Date Filing Date Title
CN 201320057435 CN203058461U (en) 2013-01-31 2013-01-31 Safety helmet

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Application Number Priority Date Filing Date Title
CN 201320057435 CN203058461U (en) 2013-01-31 2013-01-31 Safety helmet

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CN203058461U true CN203058461U (en) 2013-07-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107455828A (en) * 2016-06-02 2017-12-12 郭正群 A kind of intelligent safety helmet accessory system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107455828A (en) * 2016-06-02 2017-12-12 郭正群 A kind of intelligent safety helmet accessory system

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