CN206773213U - A kind of digital and electronic audiphone - Google Patents
A kind of digital and electronic audiphone Download PDFInfo
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- CN206773213U CN206773213U CN201720654831.XU CN201720654831U CN206773213U CN 206773213 U CN206773213 U CN 206773213U CN 201720654831 U CN201720654831 U CN 201720654831U CN 206773213 U CN206773213 U CN 206773213U
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Abstract
A kind of digital and electronic audiphone, the utility model includes Doppler's transceiver module, signal acquisition module, signal processing module, microprocessor control module, signal display module, Doppler's transceiver module sends fundamental wave, the microwave returned is received, and gives the microwave transfer received to the signal acquisition module；The microwave received is converted into analog electrical signal by signal acquisition module, then will pass to signal processing module after signal amplification；The signal shaping received is the frequecy characteristic of acquisition measured object after handling by analysis after available waveforms by signal processing module；The frequecy characteristic that signal display module obtains the signal processing module measured object is shown over the display after the microprocessor control module；Microprocessor control module is used for sensitivity and the noise for adjusting audiphone.Its advantage be in terms of to target object detection, it is easy to operation using active microwave sounding technology, make explosion-proof detection more precise and high efficiency.
Description
Technical field
It the utility model is related to that a kind of safety check is explosive and the audiphone in technology investigative technique field, more particularly, to a kind of number
Word electronics audiphone.
Background technology
As safety anti-explosive checks increasing application, deepen continuously to more fields, at present, explosive detection skill
The main product function in art field is single, is difficult to meet the detection demand to diversification explosive, it is necessary to adopt in actual applications
Detected with various ways, there is the low audiphone of recognizable function, identification screening rate of false alarm.
Utility model content
In order to overcome existing explosive detection technical field product function single, it is difficult to meet in actual applications to polynary
Change the deficiency of the detection demand of explosive, the utility model provides a kind of digital and electronic audiphone.
Technical scheme is used by the utility model solves its technical problem：How general a kind of digital and electronic audiphone include
Strangle transceiver module, signal acquisition module, signal processing module, microprocessor control module, signal display module, the Doppler
Transceiver module sends fundamental wave, receives the microwave of return, and give the microwave transfer received to the signal acquisition module；The letter
The microwave received is converted into analog electrical signal by number acquisition module, then will pass to signal processing module after signal amplification；
The signal shaping received is the frequency of acquisition measured object after handling by analysis after available waveforms by the signal processing module
Feature；The frequecy characteristic that the signal display module obtains the signal processing module measured object passes through the microcontroller control
Shown over the display after molding block；The microprocessor control between the signal processing module and signal display module
Module is used for sensitivity and the noise for adjusting audiphone.
Further, Doppler's transceiver module includes emitting portion and receiving portion, and emitting portion sends fundamental wave, receives
Part receives the microwave returned, then by the microwave transfer received to signal acquisition module.
Further, the signal acquisition module includes high frequency detection module, low-frequency amplifier circuit, Doppler's transmitting-receiving
The microwave of module transmission is converted into analog electrical signal by high frequency detection module, then is put signal by low-frequency amplifier circuit
Greatly.
Further, the signal processing module includes signal transformation circuit, DSP signal processing chips, passes through the signal
After signal transformation circuit is shaped as available waveforms, DSP signal processing chips are carried out the signal of acquisition module amplification to waveform
Time and frequency domain analysis processing, obtain the frequecy characteristic of measured object.
Further, the DSP signal processing chips obtain measured object category identification information by being analyzed its feature,
And feed back information to the signal display module and show for reference, while earphone feeds back to the sound property of measured object
User.
Further, the signal display module includes OLED display and OLED drive.
Further, the microprocessor control module includes MCU system, analog switch, electronic potentiometer, serial communication electricity
Road, in use by the Operational Figure Of Merit and Noise measarement button of microprocessor control module, adjust the spirit of audiphone
Sensitivity and noise.Operational Figure Of Merit and Noise measarement button, button can corresponding operating analog switch and electronic potentiometer change shapes
State, the state after regulation can be shown in the OLED display of signal display module.
The beneficial effects of the utility model are, in terms of to target object detection, using active microwave sounding technology, just
In operation, make explosion-proof detection more precise and high efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of digital and electronic audiphone of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.But those skilled in the art should
Know, the invention is not restricted to listed embodiment, as long as meeting the spirit of the present invention, should all be included in this
In the protection domain of invention.
Referring to accompanying drawing 1.Doppler's transceiver module, signal acquisition module, the signal of the utility model digital and electronic audiphone
Processing module, microprocessor control module, signal display module are sequentially connected in series, and microprocessor control module therein can also be controlled
Signal processing module.Doppler's transceiver module is that Microwave emission receives mixing one, can send fundamental wave, receive and return
Microwave, and give the microwave transfer received to the signal acquisition module；The microwave that the signal acquisition module will receive
Analog electrical signal is converted into, then signal processing module will be passed to after signal amplification；The signal processing module will receive
Signal shaping be available waveforms after, by analysis handle after obtain measured object frequecy characteristic；The signal display module will
The frequecy characteristic that the signal processing module obtains measured object is shown over the display after the microprocessor control module；
The microprocessor control module between the signal processing module and signal display module is used for the spirit for adjusting audiphone
Sensitivity and noise.
Further, Doppler's transceiver module includes emitting portion and receiving portion, and emitting portion sends fundamental wave, receives
Part receives the microwave returned, then by the microwave transfer received to signal acquisition module.
Further, the signal acquisition module includes high frequency detection module, low-frequency amplifier circuit, Doppler's transmitting-receiving
The microwave of module transmission is converted into analog electrical signal by high frequency detection module, then is put signal by low-frequency amplifier circuit
Greatly.
Further, the signal processing module includes signal transformation circuit, DSP signal processing chips, passes through the signal
After signal transformation circuit is shaped as available waveforms, DSP signal processing chips are carried out the signal of acquisition module amplification to waveform
Time and frequency domain analysis processing, obtain the frequecy characteristic of measured object.The DSP signal processing chips are by dividing its feature
Analysis obtains measured object category identification information, and feeds back information to the signal display module and show for reference, while ear
The sound property of measured object is fed back to user by machine.The signal display module includes OLED display and OLED drive.
Further, the microprocessor control module includes MCU system, analog switch, electronic potentiometer, serial communication electricity
Road, sensitivity and the noise of audiphone can be adjusted by button in use.Operational Figure Of Merit and Noise measarement button,
Button meeting corresponding operating analog switch and electronic potentiometer change state, and the state after regulation can be in the OLED of signal display module
Shown on display.
The utility model digital and electronic audiphone is using process,
First, touch and press starting key, signal display module is lit, and shows current state characteristic；
Then, sensitivity and the noise processed button of microprocessor control module are adjusted, complete machine is adjusted to without wrong report, or
Equipment can be used to automatically adjust for user；
Afterwards, by audiphone to receiving Doppler's transceiver module of mixing one to measured object, Microwave emission, base can be sent
Ripple and the microwave for receiving return.
When containing related specy timing means in measured object, equipment display module will be prompted to, and divides species and join for user
Examine, while earphone will transmit related sound characteristic signal.
The utility model digital and electronic audiphone uses active microwave sounding technology, and different types of target object is returned
Unlike signal is returned, signal is identified by microprocessor control module, so as to realize diversification target acquisition.Audiphone energy
Enough effective surveying tapes have mechanical timer to open the measured object that quick-fried device and electronics open quick-fried device, intelligent mode of operation and friendly
Display interface, and automatic identification be tested species and user's initiative recognition and detection method, it is easy to operation, make explosion-proof spy
Survey more precise and high efficiency.
It should be noted that above-described embodiment is exemplary rather than the limitation present invention, those skilled in the art can design very
Right of more alternate embodiments without departing from this patent.
Claims (8)
1. a kind of digital and electronic audiphone, it is characterized in that：Audiphone includes Doppler's transceiver module, signal acquisition module, signal
Processing module, microprocessor control module, signal display module,
Doppler's transceiver module sends fundamental wave, receives the microwave of return, and give the microwave transfer received to the signal
Acquisition module；
The microwave received is converted into analog electrical signal by the signal acquisition module, then will pass to signal after signal amplification
Processing module；
The signal shaping received is acquisition measured object after handling by analysis after available waveforms by the signal processing module
Frequecy characteristic；
The frequecy characteristic that the signal display module obtains the signal processing module measured object passes through the microcontroller control
Shown over the display after molding block；
The microprocessor control module between the signal processing module and signal display module is used to adjust audiphone
Sensitivity and noise.
2. digital and electronic audiphone according to claim 1, it is characterized in that：Doppler's transceiver module includes emitting portion
And receiving portion, emitting portion send fundamental wave, receiving portion receives the microwave returned, then by the microwave transfer received to signal
Acquisition module.
3. digital and electronic audiphone according to claim 2, it is characterized in that：The signal acquisition module includes high frequency detection mould
Block, low-frequency amplifier circuit, the microwave of Doppler's transceiver module transmission are converted into analog telecommunications by high frequency detection module
Number, then amplified signal by low-frequency amplifier circuit.
4. digital and electronic audiphone according to claim 3, it is characterized in that：The signal processing module includes signal shaping electricity
Road, DSP signal processing chips, the signal amplified by the signal acquisition module are shaped as available ripple by signal transformation circuit
After shape, DSP signal processing chips carry out time and frequency domain analysis processing to waveform, obtain the frequecy characteristic of measured object.
5. digital and electronic audiphone according to claim 4, it is characterized in that：The DSP signal processing chips pass through special to it
Sign is analyzed to obtain measured object category identification information, and feeds back information to the signal display module and show and join for user
Examine, while the sound property of measured object is fed back to user by earphone.
6. digital and electronic audiphone according to claim 5, it is characterized in that：The signal display module includes OLED display
And OLED drive.
7. digital and electronic audiphone according to claim 6, it is characterized in that：The microprocessor control module includes MCU systems
System, analog switch, electronic potentiometer, serial communication circuit, pass through the operation spirit of microprocessor control module in use
Sensitivity and Noise measarement button, adjust sensitivity and the noise of audiphone.
8. digital and electronic audiphone according to claim 7, it is characterized in that：Operational Figure Of Merit and Noise measarement button, button
Meeting corresponding operating analog switch and electronic potentiometer change state, and the state after regulation can be shown in the OLED of signal display module
Shown on device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654831.XU CN206773213U (en) | 2017-06-07 | 2017-06-07 | A kind of digital and electronic audiphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654831.XU CN206773213U (en) | 2017-06-07 | 2017-06-07 | A kind of digital and electronic audiphone |
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| Publication Number | Publication Date |
|---|---|
| CN206773213U true CN206773213U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720654831.XU Active CN206773213U (en) | 2017-06-07 | 2017-06-07 | A kind of digital and electronic audiphone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
-
2017
- 2017-06-07 CN CN201720654831.XU patent/CN206773213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
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