CN206462486U - Wireless communication helmet with speech identifying function - Google Patents
Wireless communication helmet with speech identifying function Download PDFInfo
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- CN206462486U CN206462486U CN201720087212.7U CN201720087212U CN206462486U CN 206462486 U CN206462486 U CN 206462486U CN 201720087212 U CN201720087212 U CN 201720087212U CN 206462486 U CN206462486 U CN 206462486U
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Abstract
The utility model provides a kind of wireless communication helmet with speech identifying function, including helmet main body, the high-frequency emission module being arranged in helmet main body, high-frequency reception module, microphone or sound pick-up, control button, transmitting antenna, earphone or loudspeaker, reception antenna, power supply module, CPU and sound identification module；The microphone or sound pick-up, control button, transmitting antenna, power supply module are connected with high-frequency emission module respectively；The loudspeaker, reception antenna, power supply module are connected with high-frequency reception module respectively；The high-frequency reception module output is connected after signal condition with sound identification module；The sound identification module output is connected with CPU；The outputs of CPU mono- are connected with control button, and another output is connected with loudspeaker.The helmet has that small volume, integrated level are high, performance is stable, it is low in energy consumption the features such as.With speech identifying function, it ensure that operational staff sends, receives correct instruction.
Description
Technical field
The utility model belongs to wireless communication field, is specifically related to the wireless communication helmet with speech identifying function.
Background technology
Public security special policeman is during warm work and air defense is performed, and special policeman personnel must be fully armed, wears the explosion-proof helmet,
Shield is held on the other hand, and one holds weapon, and both hands can not carry out other operations.In the prior art, it is necessary to which when commanding action, commanding officer uses
Loudspeaker are propagandaed directed to communicate, and the special policeman personnel for performing task receive call-information by the call hole on the explosion-proof helmet.When the helmet is worn
When time is longer, special policeman can feel " vexed ", and dizzy brain, which rises, to be led to not clearly hear that commanding officer instructs, and commanding officer utilizes loudspeaker
Propaganda directed to communicate easy leakage, both easily predicted, and also easily misread by the masses ignorant of the fact in advance by criminal.
Operational staff is typically divided into multiple groups, each group is by one by existing public security special policeman or People's Armed Police when fighting
Name team leader commander, by the same commander of a commanding officer during action, therefore command system is generally divided into three-level schema, and the first order is
Chief Commanding Officer, the second level are commanded for team leader, and the third level is to need mutually to communicate between operational staff, the wherein first order and the second level
News, second level personnel can report on-site actual situations to the first order, and the third level, which only receives, to be instructed and performed.
The content of the invention
In view of this, the utility model provides a kind of wireless communication helmet with speech identifying function.
The utility model is realized using following technical scheme：A kind of wireless communication helmet with speech identifying function, including
Helmet main body, in addition to high-frequency emission module, high-frequency reception module, microphone or sound pick-up, the control being arranged in helmet main body
Button, transmitting antenna, earphone or loudspeaker, reception antenna, power supply module, CPU and sound identification module；The microphone or pickup
Device, control button, transmitting antenna, power supply module are connected with high-frequency emission module respectively；The loudspeaker, reception antenna, power supply mould
Block is connected with high-frequency reception module respectively；The high-frequency reception module output is connected after signal condition with sound identification module；
The sound identification module output is connected with CPU；The outputs of CPU mono- are connected with control button, and another output is connected with loudspeaker.
Further, the high-frequency reception module includes low pass filter, frequency selection circuit, the High frequency amplification mould being sequentially connected
Block, frequency mixer, intermediate frequency amplifier, frequency discriminator block, audio amplifier circuit；The mixting circuit is also connected with a local oscillator；
Low pass filter input is connected with reception antenna；The output of audio amplifier circuit one is connected with loudspeaker, and another output squelch circuit connects
Connect.
Further, the high-frequency emission module includes being sequentially connected audio amplifier circuit, high-frequency filter circuit, adjustment electricity
Road, main vibration circuit, buffer amplifier circuit, promotion circuit, power amplification circuit, frequency selection circuit, low-pass filter circuit and impedance
With circuit；The audio amplifier circuit input is connected with microphone or sound pick-up output；The impedance matching circuit output and transmitting
Antenna is connected.
Compared with prior art, wireless communication helmet of the present utility model have that small volume, integrated level are high, performance is stable,
Low in energy consumption the features such as.Command system is mounting platform using wireless communication helmet, by highly integrated wireless speech communication apparatus
Combining to form can be while commands the major incident command system of many people.
Brief description of the drawings
Fig. 1 is wireless communication helmet cardinal principle block diagram of the present utility model.
Fig. 2 is the flow chart of the embodiment speech recognition of the utility model one.
Fig. 3 is the receiving module theory diagram of wireless communication helmet.
Fig. 4 is the transmitter module theory diagram of wireless communication helmet.
Embodiment
Explanation is further explained to the utility model with specific embodiment below in conjunction with the accompanying drawings.
A kind of wireless communication helmet with speech identifying function, including helmet main body（Helmet main body is prior art, therefore
Without being discussed in detail）, it also including the high-frequency emission module being arranged in helmet main body, high-frequency reception module, microphone or is picked up
Sound device, control button, transmitting antenna, earphone or loudspeaker, reception antenna, power supply module, CPU and sound identification module；The words
Cylinder or sound pick-up, control button, transmitting antenna, power supply module are connected with high-frequency emission module respectively；The loudspeaker, reception day
Line, power supply module are connected with high-frequency reception module respectively；High-frequency reception module output after signal condition with speech recognition
Module is connected；The sound identification module output is connected with CPU；The CPU mono- output be connected with control button, it is another export and
Loudspeaker are connected.Microphone or sound pick-up, loudspeaker etc. can be positioned close near user's face and ear according to Human biology, hair
The outside of the helmet can be arranged on by penetrating antenna and reception antenna；Other modules can be set on surface-mounted integrated circuit, then will be integrated
Circuit board is arranged in helmet main body.
Cardinal principle block diagram of the present utility model is referring to Fig. 1.Reception antenna receives the transmission signal of free space transmission, should
Signal is modulated into audio signal through high-frequency reception module, and the audio signal is divided into two-way, wherein delivering to loudspeaker converting speech all the way
Listened to for security personnel, another road ensures certain signal to noise ratio after signal condition, judgement is identified using sound identification module
Whether it is the sound of higher commander, if then controlling controlling switch by CPU.Sound identification module can using LD3320 or
LD3321 integrated chips.
The flow of following speech recognition is illustrated briefly below, referring to Fig. 2.The audio signal received refers to the threshold value stored
Make information be matched, electric frequency signal, driving CPU detection signal pins are exported if the match is successful：When CPU detects driving letter
Number, filter out and controlling switch is opened after spurious signal, start transmitter module, and send prompt tone, pointing out to wear helmet personnel can be with
Spoken（Send speech communication）.With speech identifying function, it ensure that operational staff sends, receives correct instruction.
Further, the high-frequency reception module includes low pass filter, frequency selection circuit, the High frequency amplification mould being sequentially connected
Block, frequency mixer, intermediate frequency amplifier, frequency discriminator block, audio amplifier circuit；The mixting circuit is also connected with local oscillator；It is low
Bandpass filter input is connected with reception antenna；The output of audio amplifier circuit one is connected with loudspeaker, another output squelch circuit connection.
Cardinal principle block diagram is referring to Fig. 3.Frequency band is filtered out after reception antenna reception high frequency radio signal through low pass filter unexpectedly to do
Signal is disturbed, required CF signal is selected through frequency selection circuit, other interference electric waves is filtered out, is carried out through high-frequency signal amplifying circuit high
Frequency amplifies, and high-frequency signal after amplification frequency mixer of making a gift to someone again after frequency-selecting is mixed, and the frequency of oscillation of local oscillator is than sending out
Radio frequency rate is higher by an intermediate-freuqncy signal, filters out after other harmonic components, selects the intermediate frequency amplification that intermediate-freuqncy signal carries out high-gain, most
Audio signal is demodulated by frequency discriminator.The audio signal is carried out after postemphasising and filter all the way through potentiometer into amplifying circuit
Promote sound horn, another road to control noise elimination triggers circuit after amplifying through wave filter frequency-selecting of having chance with after audio frequency power amplifier, reach Jing Yin
Purpose.When being not received by signal, loudspeaker be up to really it is noiseless, once receiving signal, amplification can be automatically opened up again
Circuit is got in touch with, therefore reaches the purpose of power saving.
Further, the high-frequency emission module includes being sequentially connected audio amplifier circuit, high-frequency filter circuit, adjustment electricity
Road, main vibration circuit, buffer amplifier circuit, promotion amplifying circuit, power amplification circuit, frequency selection circuit, low-pass filter circuit and resistance
Anti- match circuit；The audio amplifier circuit input is connected with microphone or sound pick-up output；Impedance matching circuit output with
Transmitting antenna is connected.Cardinal principle block diagram is referring to Fig. 4.The voice signal of reception is amplified through dual-stage amplifier, is filtered through high frequency
Ripple device filters out high fdrequency component, the work of the high-frequency signal interference tones amplifying circuit of oscillator is prevented, while also by voice signal
Preemphasis is carried out, to realize frequency modulation.Master-oscillator produces carrier signal, is amplified, is filtered through frequency-selecting coupled to buffer amplifier circuit
Except other harmonic waves are to amplifying circuit is promoted, enough promotion electric currents are provided for power amplifier；Final stage is coupled to through frequency-selecting and matching
Power amplification circuit carries out power amplification, finally carries out frequency-selecting and impedance matching, carrier wave to CF signal by low-pass filter circuit
The emitted antenna point of electric current is radiated in the air into electromagnetism wave direction.
Above is preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model are produced
Function without departing from technical solutions of the utility model scope when, belong to protection domain of the present utility model.
Claims (3)
1. a kind of wireless communication helmet with speech identifying function, including helmet main body, it is characterised in that：Also include being arranged on head
High-frequency emission module, high-frequency reception module, microphone or sound pick-up, control button, transmitting antenna, earphone or loudspeaker on helmet body
, reception antenna, power supply module, CPU and sound identification module；The microphone or sound pick-up, control button, transmitting antenna, confession
Electric module is connected with high-frequency emission module respectively；The loudspeaker, reception antenna, power supply module connect with high-frequency reception module respectively
Connect；The high-frequency reception module output is connected after signal condition with sound identification module；Sound identification module output with
CPU connections；The outputs of CPU mono- are connected with control button, and another output is connected with loudspeaker.
2. the wireless communication helmet according to claim 1 with speech identifying function, it is characterised in that：The high-frequency reception
Module includes low pass filter, frequency selection circuit, high frequency amplifying module, frequency mixer, intermediate frequency amplifier, the frequency discrimination mould being sequentially connected
Block, audio amplifier circuit；The mixting circuit is also connected with a local oscillator；Low pass filter is inputted to be connected with reception antenna
Connect；The output of audio amplifier circuit one is connected with loudspeaker, another output squelch circuit connection.
3. the wireless communication helmet according to claim 1 with speech identifying function, it is characterised in that：The high-frequency emission
Module includes being sequentially connected audio amplifier circuit, high-frequency filter circuit, adjustment circuit, main vibration circuit, buffer amplifier circuit, promotion
Circuit, power amplification circuit, frequency selection circuit, low-pass filter circuit and impedance matching circuit；Audio amplifier circuit input with
Microphone or sound pick-up output connection；The impedance matching circuit output is connected with transmitting antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087212.7U CN206462486U (en) | 2017-01-23 | 2017-01-23 | Wireless communication helmet with speech identifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087212.7U CN206462486U (en) | 2017-01-23 | 2017-01-23 | Wireless communication helmet with speech identifying function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206462486U true CN206462486U (en) | 2017-09-05 |
Family
ID=59702938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720087212.7U Active CN206462486U (en) | 2017-01-23 | 2017-01-23 | Wireless communication helmet with speech identifying function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206462486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888879A (en) * | 2017-11-20 | 2018-04-06 | 福建无线电设备有限公司 | Coastline monitors and unattended cloud system and application method |
| CN108766426A (en) * | 2018-05-31 | 2018-11-06 | 中国舰船研究设计中心 | A kind of naval vessels intelligent sound interaction command system |
| CN109512073A (en) * | 2018-11-09 | 2019-03-26 | 中国兵器装备集团自动化研究所 | A kind of military helmet based on intelligent human-machine interaction design |
-
2017
- 2017-01-23 CN CN201720087212.7U patent/CN206462486U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888879A (en) * | 2017-11-20 | 2018-04-06 | 福建无线电设备有限公司 | Coastline monitors and unattended cloud system and application method |
| CN108766426A (en) * | 2018-05-31 | 2018-11-06 | 中国舰船研究设计中心 | A kind of naval vessels intelligent sound interaction command system |
| CN108766426B (en) * | 2018-05-31 | 2021-09-07 | 中国舰船研究设计中心 | Intelligent voice interaction command system for naval vessel |
| CN109512073A (en) * | 2018-11-09 | 2019-03-26 | 中国兵器装备集团自动化研究所 | A kind of military helmet based on intelligent human-machine interaction design |
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