CN204028357U - A kind of ultrasound wave emitting-receiving system - Google Patents
A kind of ultrasound wave emitting-receiving system Download PDFInfo
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- CN204028357U CN204028357U CN201420150498.5U CN201420150498U CN204028357U CN 204028357 U CN204028357 U CN 204028357U CN 201420150498 U CN201420150498 U CN 201420150498U CN 204028357 U CN204028357 U CN 204028357U
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Abstract
A kind of ultrasound wave emitting-receiving system, comprise radiating circuit and receiving circuit, radiating circuit comprises: ultrasound wave transmitting probe, driving amplifier, supersonic range filter amplifier, receiving circuit comprises: ultrasound wave receiving transducer, supersonic range filter amplifier, radiating circuit also comprises portable equipment terminal handler, audio section filter amplifier, upconverter and signal generator, and receiving circuit also comprises portable equipment terminal handler, low-converter and signal generator.The utility model has the advantages that: the audio interface that can utilize the portable whole equipment such as existing notebook, panel computer, mobile phone, the AD, the DA that realize ultrasonic signal process, needs AD, shortcoming that DA module samples rate is high are overcome in prior art because AD, DA will adapt to the ultrasonic probe of different frequency, directly cover flexibly the ultrasonic signal of relative broad range with the combination of frequency converter and signal generator, realize flexible multi-purpose system.
Description
Technical field
The utility model relates to ultrasonic technology field, is specifically related to a kind of ultrasound wave emitting-receiving system.
Background technology
Utilize ultrasonic signal launch and receive, can realize the functions such as remote control, detection radar, information transmission.At present, the connected mode that uses Digital Signal Processing to carry out ultrasonic transmit circuit is: signal processing demodulation, information reverting device connection display, keyboard, input/output terminal are connected with signal processing modulator, signal is processed modulator and is connected with DA, DA connects supersonic range filter amplifier, supersonic range filter amplifier connects driving amplifier, and driving amplifier connects ultrasound wave transmitting probe.Wherein AD, DA will adapt to the ultrasonic probe of different frequency, and the sampling rate of AD, DA module just needs higher, and chip price is also higher, is unfavorable for promoting the use of.
Summary of the invention
The utility model provides a kind of ultrasound wave emitting-receiving system in order to overcome the deficiencies in the prior art, not only can take full advantage of existing equipment, very convenient, and needs AD, shortcoming that DA module samples rate is high are overcome in prior art because AD, DA will adapt to the ultrasonic probe of different frequency, directly cover flexibly the ultrasonic signal of relative broad range with the combination of frequency converter and signal generator, convert the signal that frequency is lower to, can directly process with portable terminal device, the system of realization is flexible multi-purpose.
The technical solution of the utility model is as follows:
A kind of ultrasound wave emitting-receiving system, comprises radiating circuit and receiving circuit,
Radiating circuit comprises: ultrasound wave transmitting probe, driving amplifier, supersonic range filter amplifier, receiving circuit comprises: ultrasound wave receiving transducer, supersonic range filter amplifier, it is characterized in that: radiating circuit also comprises portable equipment terminal handler, audio section filter amplifier, upconverter and signal generator, and receiving circuit also comprises portable equipment terminal handler, low-converter and signal generator;
The output terminal of portable equipment terminal handler is connected with the input end of audio section filter amplifier, the output terminal of audio section filter amplifier connects the input end of upconverter, the input end of upconverter connects the output terminal of signal generator, the output terminal of upconverter is connected with the input end of supersonic range filter amplifier, the output terminal of supersonic range filter amplifier connects the input end of driving amplifier, and the output terminal of driving amplifier connects the input end of ultrasound wave transmitting probe;
The output terminal of ultrasound wave receiving transducer is connected with the input end of supersonic range filter amplifier, the output terminal of supersonic range filter amplifier connects the input end of low-converter, the input end of low-converter is connected with the output terminal of signal generator, the output terminal of low-converter is connected with the input end of audio section filter amplifier, and the output terminal of audio section filter amplifier connects the input end of portable equipment terminal handler.
Wherein, the signal that the signal that described upconverter is sent into audio section filter amplifier and signal generator are sent into carries out mixing, realizes up-conversion;
The signal that the signal that described low-converter is sent into audio section filter amplifier and signal generator are sent into carries out mixing, realizes down coversion;
Described signal generator is sine wave generator device.
Described audio section filter amplifier signal after treatment is sent into the audio interface of portable equipment terminal.
Described sound card, utilizes sound card collection signal and is stored in portable equipment.
While carrying out software programming processing in described portable equipment: transmitting terminal, by frequency control word initialization, carry out phase-accumulated computing, the input of local sequence phase word, sum operation, Sin data lookup table, data resampling, the output of audio interface waveform, the size of the additive quantity of sum operation is adjusted in local sequence phase word input, realizes modulation; Receiving end, the data that audio interface gathers are into carried out data resampling, multiplying, local carrier input, FIR low-pass filtering, related operation, the input of local sequence, sequence bit movement calculation, distance calculating, result demonstration, local carrier input is carried out multiplying with data resampling, realize coherent demodulation, local sequence is inputted together with the signal obtaining with FIR low-pass filtering and is sent into related operation, can obtain the feature of correlative, can obtain range information, then show.
Described portable equipment terminal handler is: notebook computer, mobile phone, panel computer.
In system, the information sending is carried out software programming in portable equipment, by frequency control word initialization, carry out phase-accumulated computing, local sequence phase word input, sum operation, Sin data lookup table, data resampling, the output of audio interface waveform, the size of the additive quantity of sum operation is adjusted in local sequence phase word input, realize modulation, the signal obtaining is sent into transmitting terminal audio section filter amplifier by audio interface, transmitting terminal audio section filter amplifier signal after treatment is input to upconverter, the signal that the signal that upconverter is sent into transmitting terminal audio section filter amplifier and sine wave generator device are sent into carries out mixing, thereby realize up-conversion, the signal of upconverter output is sent into transmitting terminal supersonic range filter amplifier and is carried out filter amplifying processing, signal after treatment is sent into driving amplifier, obtain sending into ultrasound wave transmitting probe after enough large signal and carry out ultrasonic signal transmitting.
The supersonic band signal that ultrasound wave receiving transducer receives, send into receiving end supersonic range filter amplifier and carry out filter amplifying processing, signal after treatment is sent into low-converter, by amplification, down coversion, obtain the signal of tonal range, be then input to portable terminal device and carry out software signal processing.The signal that the signal that low-converter is sent into receiving end supersonic range filter amplifier and sine wave generator device are sent into carries out mixing, thereby realize down coversion, the signal of low-converter output is sent into receiving end audio section filter amplifier and is carried out filter amplifying processing, signal after treatment is sent into the audio interface in portable equipment, the data that audio interface gathers are into carried out data resampling, multiplying, local carrier input, FIR low-pass filtering, related operation, local sequence input, sequence bit movement is calculated, distance is calculated, result shows, local carrier input is carried out multiplying with data resampling, realize coherent demodulation, local sequence is inputted together with the signal obtaining with FIR low-pass filtering and is sent into related operation, can obtain the feature of correlative, can obtain range information, then show, finally receive information.
The utility model has the advantages that: can utilize existing notebook, panel computer, the audio interface of the whole equipment of Mobile phone portable, realize the AD of ultrasonic signal, DA processes, not only can take full advantage of existing equipment, very convenient, and overcome in prior art because AD, DA will adapt to the ultrasonic probe of different frequency and needs AD, DA module samples rate is high, the shortcoming that cost is high, directly cover flexibly the ultrasonic signal of relative broad range with the combination of frequency converter and signal generator, convert the signal that frequency is lower to, can directly carry out signal processing with the processor programming of portable terminal device inside, just can realize flexible multi-purpose system.Use low-converter, can realize the function by high step-down the frequency of signal, can solve the problem that sound card incoming frequency is lower, do not reach supersonic band; Use upconverter, can realize the frequency of signal by the low function uprising, just can solve the problem that sound card output frequency is lower, do not reach supersonic band.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the circuit block diagram based on notebook computer of ultrasound wave emission coefficient.
Fig. 2 is the circuit block diagram based on notebook computer of ultrasound wave receiving system.
Fig. 3 is the circuit block diagram based on panel computer of ultrasound wave emission coefficient.
Fig. 4 is the circuit block diagram based on panel computer of ultrasound wave receiving system.
Fig. 5 is the process flow diagram that the software of ultrasound wave emission coefficient is realized sequence spread spectrum, psk modulation signal transmitting output
Fig. 6 is the process flow diagram that the software of ultrasound wave receiving system is realized PSK demodulation, Serial relation, information data output
Embodiment
Device embodiment
Embodiment 1.
See a kind of ultrasound wave emitting-receiving system of Fig. 1, Fig. 2, comprise radiating circuit and receiving circuit,
Radiating circuit comprises: ultrasound wave transmitting probe, driving amplifier, supersonic range filter amplifier, receiving circuit comprises: ultrasound wave receiving transducer, supersonic range filter amplifier, radiating circuit also comprises notebook computer, audio section filter amplifier, upconverter and sine wave generator device, and receiving circuit also comprises just notebook computer, low-converter and sine wave generator device;
The signal that the signal that upconverter is sent into audio section filter amplifier and sine wave generator device are sent into carries out mixing, realizes up-conversion;
The signal that the signal that low-converter is sent into audio section filter amplifier and sine wave generator device are sent into carries out mixing, realizes down coversion;
The output terminal of notebook computer is connected with the input end of audio section filter amplifier, the output terminal of audio section filter amplifier connects the input end of upconverter, the input end of upconverter connects the output terminal of sine wave generator device, the output terminal of upconverter is connected with the input end of supersonic range filter amplifier, the output terminal of supersonic range filter amplifier connects the input end of driving amplifier, and the output terminal of driving amplifier connects the input end of ultrasound wave transmitting probe;
The output terminal of ultrasound wave receiving transducer is connected with the input end of supersonic range filter amplifier, the output terminal of supersonic range filter amplifier connects the input end of low-converter, the input end of low-converter is connected with the output terminal of sine wave generator device, the output terminal of low-converter is connected with the input end of audio section filter amplifier, and the output terminal of audio section filter amplifier connects the just input end of notebook computer.
Embodiment 2
See Fig. 3, Fig. 4, a kind of ultrasound wave emitting-receiving system, comprises radiating circuit and receiving circuit, and wherein portable equipment terminal is panel computer.All the other are with embodiment 2.
Application Example
Embodiment 3
Below in conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the utility model is described.The information sending is carried out software programming in panel computer, by frequency control word initialization, carry out phase-accumulated computing, local sequence phase word input, sum operation, Sin data lookup table, data resampling, the output of audio interface waveform, the size of the additive quantity of sum operation is adjusted in local sequence phase word input, realize modulation, the signal obtaining is sent into transmitting terminal audio section filter amplifier by the audio interface of sound card, transmitting terminal audio section filter amplifier signal after treatment is input to upconverter, the signal that the signal that upconverter is sent into transmitting terminal audio section filter amplifier and sine wave generator device are sent into carries out mixing, thereby realize up-conversion, the signal of upconverter output is sent into transmitting terminal supersonic range filter amplifier and is carried out filter amplifying processing, signal after treatment is sent into driving amplifier, obtain sending into ultrasound wave transmitting probe after enough large signal and carry out ultrasonic signal transmitting.
The supersonic band signal that ultrasound wave receiving transducer receives, send into receiving end supersonic range filter amplifier and carry out filter amplifying processing, signal after treatment is sent into low-converter, by amplification, down coversion, obtain the signal of tonal range, be then input to portable terminal device and carry out software signal processing.The signal that the signal that low-converter is sent into receiving end supersonic range filter amplifier and sine wave generator device are sent into carries out mixing, thereby realize down coversion, the signal of low-converter output is sent into receiving end audio section filter amplifier and is carried out filter amplifying processing, signal after treatment is sent into the audio interface in panel computer, the data that audio interface gathers are into carried out data resampling, multiplying, local carrier input, FIR low-pass filtering, related operation, local sequence input, sequence bit movement is calculated, distance is calculated, result shows, local carrier input is carried out multiplying with data resampling, realize coherent demodulation, local sequence is inputted together with the signal obtaining with FIR low-pass filtering and is sent into related operation, can obtain the feature of correlative, can obtain range information, then show, finally receive information.
Claims (2)
1. a ultrasound wave emitting-receiving system, comprises radiating circuit and receiving circuit,
Radiating circuit comprises: ultrasound wave transmitting probe, driving amplifier, supersonic range filter amplifier, receiving circuit comprises: ultrasound wave receiving transducer, supersonic range filter amplifier, it is characterized in that: radiating circuit also comprises portable equipment terminal handler, audio section filter amplifier, upconverter and signal generator, and receiving circuit also comprises portable equipment terminal handler, low-converter and signal generator;
The signal that the signal that upconverter is sent into audio section filter amplifier and signal generator are sent into carries out mixing, realizes up-conversion;
The signal that the signal that low-converter is sent into audio section filter amplifier and signal generator are sent into carries out mixing, realizes down coversion;
The output terminal of portable equipment terminal handler is connected with the input end of audio section filter amplifier, the output terminal of audio section filter amplifier connects the input end of upconverter, the input end of upconverter connects the output terminal of signal generator, the output terminal of upconverter is connected with the input end of supersonic range filter amplifier, the output terminal of supersonic range filter amplifier connects the input end of driving amplifier, and the output terminal of driving amplifier connects the input end of ultrasound wave transmitting probe;
The output terminal of ultrasound wave receiving transducer is connected with the input end of supersonic range filter amplifier, the output terminal of supersonic range filter amplifier connects the input end of low-converter, the input end of low-converter is connected with the output terminal of signal generator, the output terminal of low-converter is connected with the input end of audio section filter amplifier, and the output terminal of audio section filter amplifier connects the input end of portable equipment terminal handler.
2. a kind of ultrasound wave emitting-receiving system according to claim 1, is characterized in that: described signal generator is sine wave generator device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150498.5U CN204028357U (en) | 2014-03-31 | 2014-03-31 | A kind of ultrasound wave emitting-receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150498.5U CN204028357U (en) | 2014-03-31 | 2014-03-31 | A kind of ultrasound wave emitting-receiving system |
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| CN204028357U true CN204028357U (en) | 2014-12-17 |
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| CN201420150498.5U Expired - Fee Related CN204028357U (en) | 2014-03-31 | 2014-03-31 | A kind of ultrasound wave emitting-receiving system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926577A (en) * | 2014-03-31 | 2014-07-16 | 桂林电子科技大学 | Ultrasonic transmitting and receiving system |
| CN108445367A (en) * | 2018-05-28 | 2018-08-24 | 南通大学 | Portable partial discharge detector based on ultrasound |
-
2014
- 2014-03-31 CN CN201420150498.5U patent/CN204028357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926577A (en) * | 2014-03-31 | 2014-07-16 | 桂林电子科技大学 | Ultrasonic transmitting and receiving system |
| CN103926577B (en) * | 2014-03-31 | 2016-08-17 | 桂林电子科技大学 | A kind of ultrasonic emitting receives system |
| CN108445367A (en) * | 2018-05-28 | 2018-08-24 | 南通大学 | Portable partial discharge detector based on ultrasound |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20160331 |