CN207399494U - A kind of voice acquisition system - Google Patents
A kind of voice acquisition system Download PDFInfo
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- CN207399494U CN207399494U CN201721420429.1U CN201721420429U CN207399494U CN 207399494 U CN207399494 U CN 207399494U CN 201721420429 U CN201721420429 U CN 201721420429U CN 207399494 U CN207399494 U CN 207399494U
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- resistance
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- communication module
- voice acquisition
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Abstract
The utility model discloses a kind of voice acquisition systems, including sound transducer module, data collecting card, traffic filter, signal amplification circuit, control module, gsm communication module and wireless communication module, sound transducer module, traffic filter, signal amplification circuit, control module, gsm communication module are linked in sequence successively, and data collecting card, wireless communication module are connected respectively with control module；Sound transducer module includes the first to the 8th resistance, slide rheostat, capacitance, microphone, NPN triode, light emitting diode and comparator.The utility model can real-time and accurately go out measured transmission of sound signals；With good autgmentability, simple installation is big to voice signal detection sensitivity height, induction range, ensures the stability of circuit, has many advantages, such as small, at low cost, low in energy consumption and easy to use.
Description
Technical field
The utility model is related to electronic measuring technology fields, particularly a kind of voice acquisition system.
Background technology
Digital audio system is to reproduce original sound by the way that acoustic waveform is converted into a series of binary data,
Realize that the equipment that the step uses is A/D converter（A/D）It samples sound wave with the rate of up to ten thousand times per second, often
It once samples and has all recorded the state of original analog sound wave at a time, be referred to as sample.A string of sample is connected
Come, it is possible to one section of sound wave is described, the number sampled every second is called sample frequency or adopts rate, unit HZ（It is conspicuous
Hereby）.The frequency of sound wave of the higher energy description of sample frequency is higher.Sample rate determines the scope of sound frequency（It is equivalent to sound
It adjusts）, can be represented with digital waveform.The frequency range represented with waveform is commonly known as bandwidth.Want correct understanding audio sample
The digit of sampling and the frequency of sampling can be divided into.
With information gathering and the rapid development of intelligent Computation Technology and the extensive use of internet and mobile radio communication, object
Networking technology is applied in fields such as industry, agricultural, service trade, environmental protection, traffic.Sensor technology is Internet of Things
Basis, Internet of Things will rely on sensor to gather or obtain the various objects of nature by various sensors as data input pin
Reason amount, chemical quantity, biomass etc. so as to improve the perception to the material world, realize intelligentized decision-making and control.
Sound detection sensor module needs to provide technical support by sound detection to complete the equipment of task to be various,
For detecting acoustic information, make the device of this module of installation（Such as：Robot, intelligent carriage, security system etc.）Can rapidly and
When obtain acoustic information and moved or operated accordingly, and improve its reaction speed.At present in intelligent machine
The application of the upper sound detection of device people is more and more extensive, and also higher and higher in the requirement of volume, price, accuracy etc., this is just
Cost-effective sound transducer module is needed for detection.The sound detection module being commonly used, there is volume it is big,
The defects of of high cost, high failure rate, maintenance difficult is very must using inexpensive, high-precision sound detection sensor module
It wants.
The content of the invention
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art and provides a kind of sound collection system
System, the utility model can real-time and accurately go out measured transmission of sound signals；With good autgmentability, installation letter
Just, it is big to voice signal detection sensitivity height, induction range, ensure the stability of circuit, there is small, at low cost, power consumption
The advantages that low and easy to use.
The utility model uses following technical scheme to solve above-mentioned technical problem：
According to the utility model proposes a kind of voice acquisition system, including sound transducer module, data collecting card, letter
Number wave filter, signal amplification circuit, control module, gsm communication module and wireless communication module, sound transducer module, signal
Wave filter, signal amplification circuit, control module, gsm communication module are linked in sequence successively, data collecting card, wireless communication module
It is connected respectively with control module；Wherein,
Sound transducer module includes the first to the 8th resistance, slide rheostat, capacitance, microphone, NPN triode, hair
Optical diode and comparator, one end and power supply, one end of second resistance, one end of 3rd resistor, the 4th resistance of first resistor
One end, the power end of comparator, one end of the 5th resistance, one end of the 6th resistance connect respectively, the other end of first resistor
It is connected respectively with one end of microphone, one end of capacitance, the other end of capacitance and the other end of second resistance, slide rheostat
One end, the base stage of NPN triode connect respectively, the other end of microphone and the sliding end of slide rheostat, slide rheostat
The other end, one end of the 7th resistance, one end of the 8th resistance, comparator ground terminal, connect respectively, the 7th resistance it is another
End is connected with the emitter of NPN triode, the other end of the 8th resistance and the other end, the negative input end of comparator of the 4th resistance
It connects respectively, the collector of NPN triode and the other end of 3rd resistor, the positive input terminal of comparator connect respectively, the 5th electricity
The other end of resistance and the output terminal of comparator, the cathode of light emitting diode connect respectively, the anode of light emitting diode and the 6th electricity
The other end connection of resistance.
As a kind of further prioritization scheme of voice acquisition system described in the utility model, comparator compares for LM324
Device.
As a kind of further prioritization scheme of voice acquisition system described in the utility model, data collecting card is USB numbers
According to capture card.
As a kind of further prioritization scheme of voice acquisition system described in the utility model, the 5V for power supply is further included
Power supply.
As a kind of further prioritization scheme of voice acquisition system described in the utility model, wireless communication module is
ZIGBEE wireless transport modules.
The utility model compared with prior art, has following technique effect using above technical scheme：
The utility model can real-time and accurately go out measured transmission of sound signals；With good autgmentability,
Simple installation, it is big to voice signal detection sensitivity height, induction range, ensure the stability of circuit, there is small, cost
The advantages that low, low in energy consumption and easy to use.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of voice acquisition system, including sound transducer module, data collecting card, traffic filter,
Signal amplification circuit, control module, gsm communication module and wireless communication module, sound transducer module, traffic filter, letter
Number amplifying circuit, control module, gsm communication module are linked in sequence successively, data collecting card, wireless communication module respectively with control
Module connects；Wherein,
Sound transducer module includes the first to the 8th resistance, slide rheostat, capacitance, microphone, NPN triode, hair
Optical diode and comparator, one end and power supply, one end of second resistance, one end of 3rd resistor, the 4th resistance of first resistor
One end, the power end of comparator, one end of the 5th resistance, one end of the 6th resistance connect respectively, the other end of first resistor
It is connected respectively with one end of microphone, one end of capacitance, the other end of capacitance and the other end of second resistance, slide rheostat
One end, the base stage of NPN triode connect respectively, the other end of microphone and the sliding end of slide rheostat, slide rheostat
The other end, one end of the 7th resistance, one end of the 8th resistance, comparator ground terminal, connect respectively, the 7th resistance it is another
End is connected with the emitter of NPN triode, the other end of the 8th resistance and the other end, the negative input end of comparator of the 4th resistance
It connects respectively, the collector of NPN triode and the other end of 3rd resistor, the positive input terminal of comparator connect respectively, the 5th electricity
The other end of resistance and the output terminal of comparator, the cathode of light emitting diode connect respectively, the anode of light emitting diode and the 6th electricity
The other end connection of resistance.
Sound transducer module receives voice signal, and by transmission of sound signals to traffic filter, signal amplification circuit
To control module, acoustic information is transmitted to data collecting card and preserved by control module, and passes through GSM for output after being filtered amplification
Acoustic information is transmitted to external receiving terminal by communication module, wireless communication module.
Comparator is LM324 comparators, and data collecting card is usb data capture card.The utility model further includes to supply
The 5V power supplys of electricity.Wireless communication module is ZIGBEE wireless transport modules.
The utility model can real-time and accurately go out measured transmission of sound signals；With good autgmentability,
Simple installation, it is big to voice signal detection sensitivity height, induction range, ensure the stability of circuit, there is small, cost
The advantages that low, low in energy consumption and easy to use.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deductions or replacement can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (5)
1. a kind of voice acquisition system, which is characterized in that including sound transducer module, data collecting card, traffic filter, letter
Number amplifying circuit, control module, gsm communication module and wireless communication module, sound transducer module, traffic filter, signal
Amplifying circuit, control module, gsm communication module are linked in sequence successively, and data collecting card, wireless communication module are respectively with controlling mould
Block connects；Wherein,
Sound transducer module includes the first to the 8th resistance, slide rheostat, capacitance, microphone, NPN triode, luminous two
Pole pipe and comparator, one end and power supply, one end of second resistance, one end of 3rd resistor, the one of the 4th resistance of first resistor
End, the power end of comparator, one end of the 5th resistance, one end of the 6th resistance connect respectively, the other end of first resistor and wheat
Gram one end of wind, one end of capacitance connect respectively, the other end of capacitance and the other end of second resistance, the one of slide rheostat
End, the base stage of NPN triode connect respectively, the other end of microphone and the sliding end of slide rheostat, slide rheostat it is another
One end, one end of the 7th resistance, one end of the 8th resistance, comparator ground terminal, connect respectively, the other end of the 7th resistance
It is connected with the emitter of NPN triode, the other end of the 8th resistance and the other end of the 4th resistance, the negative input end point of comparator
It does not connect, the collector of NPN triode and the other end of 3rd resistor, the positive input terminal of comparator connect respectively, the 5th resistance
The other end and the output terminal of comparator, the cathode of light emitting diode connect respectively, the anode of light emitting diode and the 6th resistance
The other end connection.
2. a kind of voice acquisition system according to claim 1, which is characterized in that comparator is LM324 comparators.
3. a kind of voice acquisition system according to claim 1, which is characterized in that data collecting card gathers for usb data
Card.
4. a kind of voice acquisition system according to claim 1, which is characterized in that further include the 5V power supplys for power supply.
5. a kind of voice acquisition system according to claim 1, which is characterized in that wireless communication module is wireless for ZIGBEE
Transport module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420429.1U CN207399494U (en) | 2017-10-31 | 2017-10-31 | A kind of voice acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420429.1U CN207399494U (en) | 2017-10-31 | 2017-10-31 | A kind of voice acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399494U true CN207399494U (en) | 2018-05-22 |
Family
ID=62327468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721420429.1U Expired - Fee Related CN207399494U (en) | 2017-10-31 | 2017-10-31 | A kind of voice acquisition system |
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| Country | Link |
|---|---|
| CN (1) | CN207399494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923499A (en) * | 2018-08-08 | 2018-11-30 | 安力云科技（广州）股份有限公司 | A kind of shared charger baby, charging unit and its control method antitheft based on audio |
-
2017
- 2017-10-31 CN CN201721420429.1U patent/CN207399494U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923499A (en) * | 2018-08-08 | 2018-11-30 | 安力云科技（广州）股份有限公司 | A kind of shared charger baby, charging unit and its control method antitheft based on audio |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20181031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |