CN206021508U - A kind of audio identification warning system - Google Patents
A kind of audio identification warning system Download PDFInfo
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- CN206021508U CN206021508U CN201621017241.8U CN201621017241U CN206021508U CN 206021508 U CN206021508 U CN 206021508U CN 201621017241 U CN201621017241 U CN 201621017241U CN 206021508 U CN206021508 U CN 206021508U
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Abstract
The utility model is related to technical field of voice recognition, and more particularly to a kind of audio identification warning system, including piezoelectric element, amplifying circuit, GPS locator, single-chip microcomputer and Wireless Transmitter；With amplifying circuit by connection, with single-chip microcomputer by connection, with single-chip microcomputer by connection, Wireless Transmitter passes through connection with single-chip microcomputer to GPS locator to amplifying circuit to piezoelectric element.Hinge structure, the utility model can lift the accuracy of voice signal typing, and promotion signal accuracy of identification is realized long-distance alarm, lifts the ageing of warning.
Description
Technical field
The utility model is related to audio frequency identification technique field, more particularly to a kind of audio identification warning system.
Background technology
In living environment in some accidental events (such as robbery etc.), people gets a fright moment, due to the burst of event
Property and get a fright, often helpless, but often opportunistic shout of screaming by instinct, and the utility model skill
Art application audio frequency vocal print detection technique is timely picked up and is recognized, and output signal is timely being processed to event.
The Chinese patent ZL2016.04.15 of on 06 15th, 2016 bulletins discloses a kind of audio identification warning system and side
Method, it include acquisition module, for gathering voice data；First Audio Matching module, for carrying out mould successively to voice data
Number conversion, first Feature Selection and analysis, generate the first voice print database, and the first voice print database is passed through one with voice print database is set
Level Matching Model is mated for the first time, extracts the voice data that the match is successful for the first time；Second Audio Matching module, for first
The voice data that the match is successful carries out quadratic character selection and analysis, generates the second voice print database, by the second one-tenth voice print database with
Setting voice print database carries out Secondary Match by second degree matches model, and the match is successful then generates alert data；Alarm module, is used for
Reported to the police according to alert data.
In fact, the precision that speaker's voice recognition is limited by microphone affects, public domain is not suitable for；Such as in noise
In the case of heterocycle border, unsharp pronunciation and many people pronunciation, phonetic entry effect is poor, and discrimination is low, or even None- identified.
The main cause that problem above is present is as voice acquisition module, by catching voice in sky in conventional art using microphone
Transmitting signal in gas carries out voice collecting, and other sound source interference in the external world influence whether the voice number that microphone is collected
According to.
Utility model content
The purpose of this utility model is to provide a kind of audio identification warning system, and technical problem to be solved is：Existing
Voice recognition is limited by the precision of microphone and affects, and phonetic entry effect is poor, can only report to the police nearby.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of audio identification warning system, including pressure
Electric device, amplifying circuit, GPS locator, single-chip microcomputer and Wireless Transmitter；
Acoustic vibration is converted into audio electrical signal with amplifying circuit by connection by piezoelectric element, its；
Amplifying circuit,, with single-chip microcomputer by connection, which includes pre-amplification circuit and the use for impedance matching for which
In the operational amplification circuit for entering line amplitude amplification to audio electrical signal；
GPS locator,, with single-chip microcomputer by connection, which is positioned for which, generates framing signal；
Single-chip microcomputer, its by amplification after analog signal be converted into data signal；Which carries out digital threshold filter to data signal
Ripple, extraction characteristic sounds frequency, distinctive tone frequency comparison match built-in with which, the match is successful then generates alarm signal, will report to the police
Signal and framing signal are transmitted to Wireless Transmitter；
Wireless Transmitter, its are wirelessly transmitted to public affairs by alarm signal and with framing signal with single-chip microcomputer by connection
Peace warning system is reported to the police.
The beneficial effects of the utility model are：Piezoelectric element is converted into audio signal according to acoustic vibration, lifts voice letter
The accuracy of number typing；Carry out impedance conversion by amplifying circuit again, and carry out the amplitude of audio signal amplifying to piezoelectric element,
Single-chip microcomputer carries out signal filtering and comparison match, can promotion signal accuracy of identification；Framing signal and alarm signal can be passed simultaneously
Transport to public security warning system to be reported to the police, realize long-distance alarm, lift the ageing of warning.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the Wireless Transmitter is provided with multiple, and multiple Wireless Transmitters wirelessly connect successively, to reporting to the police
Signal is transmitted successively；Each described Wireless Transmitter is respectively connected with an alarm, and each described Wireless Transmitter is equal
Its alarm for connecting is controlled according to alarm signal carries out sound and light alarm.
Using the beneficial effect of above-mentioned further scheme it is：Multiple Wireless Transmitters carry out signal transmission, energy successively
Alarm signal is transmitted to distant place, and carries out reporting to the police along road, energy improving warning scope is ageing with reported to the police.
Further, the pre-amplification circuit is voltage follower.
Using the beneficial effect of above-mentioned further scheme it is：Voltage follower can carry out impedance conversion to piezoelectric element, carry
Rise the precision of audio frequency typing.
Further, it is connected with the operational amplification circuit for adjusting the potentiometer of sensitivity.
Using the beneficial effect of above-mentioned further scheme it is：The sensitivity that potentiometer energy Regulate signal is amplified.
Description of the drawings
Fig. 1 is a kind of module frame chart of audio identification warning system of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, piezoelectric element, 2, amplifying circuit, 3, GPS locator, 4, single-chip microcomputer, 5, Wireless Transmitter, 6, alarm, 7, front
Amplifying circuit is put, 8, operational amplification circuit.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
As shown in figure 1, a kind of audio identification warning system, including piezoelectric element 1, amplifying circuit 2, GPS locator 3, list
Piece machine 4 and Wireless Transmitter 5；Acoustic vibration is converted into voiceband telecommunication with amplifying circuit 2 by connection by piezoelectric element 1
Number, lift the accuracy of voice signal typing；Amplifying circuit 2 passes through connection with single-chip microcomputer 4, including for impedance matching
Pre-amplification circuit 7 and the operational amplification circuit 8 for entering line amplitude amplification to audio electrical signal, the pre-amplification circuit 7
For voltage follower, piezoelectric element 1 is carried out being connected with impedance conversion, and the operational amplification circuit 8 sensitive for adjusting
The potentiometer of degree, the sensitivity that adjusting signal amplitude amplifies；GPS locator 3, is carried out in real time by connection with single-chip microcomputer 4
Positioning, generates framing signal；Single-chip microcomputer 4 by amplification after analog signal be converted into data signal；Which enters line number to data signal
Word threshold filter, extraction characteristic sounds frequency, distinctive tone frequency comparison match built-in with which, the match is successful then generates alarm signal
Number, alarm signal and framing signal are transmitted to Wireless Transmitter 5；Wireless Transmitter 5 passes through connection with single-chip microcomputer 4, will
Alarm signal and public security warning system is wirelessly transmitted to framing signal and is reported to the police, realize long-distance alarm, lifted and reported to the police
Ageing.
In above-described embodiment, the Wireless Transmitter 5 is provided with multiple, and multiple Wireless Transmitters 5 wirelessly connect successively
Connect, alarm signal is transmitted successively；Each described Wireless Transmitter 5 is respectively connected with an alarm 6, each described nothing
Line transmitter 5 controls its alarm 6 for connecting all in accordance with alarm signal and carries out sound and light alarm, multiple Wireless Transmitters 5 according to
Secondary carry out signal transmission, alarm signal can be transmitted at a distance, and carry out reporting to the police along road, can improving warning scope and report to the police when
Effect property.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements that is made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of audio identification warning system, it is characterised in that including piezoelectric element (1), amplifying circuit (2), GPS locator
(3), single-chip microcomputer (4) and Wireless Transmitter (5)；
Acoustic vibration is converted into audio electrical signal with amplifying circuit (2) by connection by piezoelectric element (1), its；
Amplifying circuit (2),, with single-chip microcomputer (4) by connection, which includes the pre-amplification circuit (7) for impedance matching for which
With the operational amplification circuit (8) for being used for entering audio electrical signal line amplitude amplification；
GPS locator (3),, with single-chip microcomputer (4) by connection, which is positioned for which, generates framing signal；
Single-chip microcomputer (4), its by amplification after analog signal be converted into data signal；Which carries out digital threshold filter to data signal
Ripple, extraction characteristic sounds frequency, distinctive tone frequency comparison match built-in with which, the match is successful then generates alarm signal, will report to the police
Signal and framing signal are transmitted to Wireless Transmitter (5)；
Alarm signal and framing signal are wirelessly transmitted to public affairs with single-chip microcomputer (4) by connection by Wireless Transmitter (5), its
Peace warning system is reported to the police.
2. a kind of audio identification warning system according to claim 1, it is characterised in that described Wireless Transmitter (5) are arranged
There is multiple, multiple Wireless Transmitter (5) wireless connection successively, alarm signal is transmitted successively；Each described nothing
Line transmitter (5) is respectively connected with an alarm (6), and each described Wireless Transmitter (5) control which all in accordance with alarm signal and connect
The alarm (6) for connecing carries out sound and light alarm.
3. a kind of audio identification warning system according to claim 1, it is characterised in that pre-amplification circuit (7) are
Voltage follower.
4. a kind of audio identification warning system according to any one of claims 1 to 3, it is characterised in that the operation amplifier
It is connected with circuit (8) for adjusting the potentiometer of sensitivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621017241.8U CN206021508U (en) | 2016-08-31 | 2016-08-31 | A kind of audio identification warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621017241.8U CN206021508U (en) | 2016-08-31 | 2016-08-31 | A kind of audio identification warning system |
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| CN206021508U true CN206021508U (en) | 2017-03-15 |
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| CN201621017241.8U Active CN206021508U (en) | 2016-08-31 | 2016-08-31 | A kind of audio identification warning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679313A (en) * | 2016-04-15 | 2016-06-15 | 福建新恒通智能科技有限公司 | Audio recognition alarm system and method |
| CN113555029A (en) * | 2021-07-21 | 2021-10-26 | 歌尔科技有限公司 | Voice equipment control method, system, medium and voice equipment |
-
2016
- 2016-08-31 CN CN201621017241.8U patent/CN206021508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679313A (en) * | 2016-04-15 | 2016-06-15 | 福建新恒通智能科技有限公司 | Audio recognition alarm system and method |
| CN113555029A (en) * | 2021-07-21 | 2021-10-26 | 歌尔科技有限公司 | Voice equipment control method, system, medium and voice equipment |
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| GR01 | Patent grant |