CN208110038U - Ultrasonic imaging apparatus and system - Google Patents

Ultrasonic imaging apparatus and system Download PDF

Info

Publication number
CN208110038U
CN208110038U CN201820511601.2U CN201820511601U CN208110038U CN 208110038 U CN208110038 U CN 208110038U CN 201820511601 U CN201820511601 U CN 201820511601U CN 208110038 U CN208110038 U CN 208110038U
Authority
CN
China
Prior art keywords
ultrasonic
signal
imaging apparatus
module
fpga module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820511601.2U
Other languages
Chinese (zh)
Inventor
王荣耀
刘文超
郑李兴
何仲涛
叶先万
李宣成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei University
Original Assignee
Hubei University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei University filed Critical Hubei University
Priority to CN201820511601.2U priority Critical patent/CN208110038U/en
Application granted granted Critical
Publication of CN208110038U publication Critical patent/CN208110038U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The utility model provides a kind of ultrasonic imaging apparatus and system, is related to ultrasonic imaging technique field, device includes:Ultrasonic excitation circuit, ultrasonic transducer, transceiver insulation circuit and FPGA module;Ultrasonic excitation circuit emits narrow pulse signal to ultrasonic transducer, to motivate ultrasonic transducer to emit ultrasonic signal to target detection object;Transceiver insulation circuit receives the multi-path echo signal that target detection object is reflected after receiving ultrasonic signal, and FPGA module carries out Digital Signal Processing to multi-path echo signal, obtains the corresponding imaging signal of target detection object.The utility model uses ultrasonic excitation circuit transmission narrow pulse signal, minisize condenser type ultrasonic transducer is motivated to emit ultrasonic wave to target detection object, detection accuracy can be improved, and the echo-signal that target detection object is reflected back is received using transceiver insulation circuit, processing in conjunction with FPGA module to echo-signal, substantially increase conversion speed and imaging efficiency.

Description

Ultrasonic imaging apparatus and system
Technical field
The utility model relates to ultrasonic imaging technique fields, more particularly, to a kind of ultrasonic imaging apparatus and system.
Background technique
Ultrasonic imaging technique has in the multiple fields such as medical diagnosis, non-destructive testing, ultrasonic microscope and undersea detection Broad application prospect.The performance of ultrasonic image-forming system depends on ultrasonic transducer, signal processing circuit, the method for image procossing With the technical level of acoustic enclosure.Wherein ultrasonic transducer can emit ultrasonic wave and detection ultrasonic wave, realize electroacoustic conversion and Acoustic-electric conversion, is the core component of ultrasonic imaging diagnostic device.The development of ultrasonic transducer is to raising ultrasonic detecting technology and sets Standby development plays conclusive effect.But it is most of in existing ultrasonic imaging apparatus to utilize traditional piezoelectric ultrasonic Energy converter, traditional piezoelectric-type ultrasonic wave transducer are had been unable to meet the demand of Modern ultrasound detection due to various limitations, believed Number processing aspect use DSP digital signal processing chip, processing speed is slower, and traditional transceiver circuit mostly uses switch isolation Method realizes transmitting and the isolation of reception pattern, but its circuit structure is complicated, higher cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of ultrasonic imaging apparatus and systems, using ultrasonic wave Energizing circuit emits narrow pulse signal, and excitation minisize condenser type ultrasonic transducer emits ultrasonic wave to target detection object, can be with Detection accuracy is improved, and the echo-signal that target detection object is reflected back is received using transceiver insulation circuit, in conjunction with FPGA module Processing to echo-signal substantially increases conversion speed and imaging efficiency.
In a first aspect, the utility model embodiment provides a kind of ultrasonic imaging apparatus, including:Ultrasonic excitation electricity Road, ultrasonic transducer, transceiver insulation circuit and FPGA module;
Ultrasonic excitation circuit is connect with ultrasonic transducer;
Ultrasonic excitation circuit emits narrow pulse signal to ultrasonic transducer, to motivate ultrasonic transducer to target detection thing Body emits ultrasonic signal;
Transceiver insulation circuit receives the multi-path echo signal that target detection object is reflected after receiving ultrasonic signal, And multi-path echo signal is sent to FPGA module;
FPGA module carries out Digital Signal Processing to multi-path echo signal, obtains the corresponding imaging letter of target detection object Number.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, In, ultrasonic transducer includes:Pedestal, support rod and square transducer array;
Support rod is installed vertically on pedestal;
Support rod can carry out 360 degree rotation in the horizontal direction;
Square transducer array is flexibly connected with the end of support rod;
Square transducer array includes:The round ultrasonic wave emitting head of 16 parallel combinations.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect, In, further include:Low-noise amplifier and speed A/D converter;
Low-noise amplifier is connect with transceiver insulation circuit, speed A/D converter respectively;
Low-noise amplifier receives echo-signal transmitted by transceiver insulation circuit, and echo-signal is amplified place Reason;
Signal after enhanced processing is converted to digital signal by speed A/D converter, and digital signal is sent to FPGA mould Block.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect, In, FPGA module includes:Bandpass filter, adder and quadrature demodulator;
Bandpass filter receives multi-path echo signal, and is filtered to multi-path echo signal, after filtering processing Multiple signals input summer in;
Adder carries out operation to multiple signals, obtains signal all the way and is input to quadrature demodulator;
Quadrature demodulator carries out carrier component removal to signal all the way, generates imaging signal.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, In, further include:STM control module and display device;
STM control module is connect with FPGA module and display device respectively;
STM control module receives imaging signal transmitted by FPGA module, and controls display device pair according to imaging signal Target detection object performs image display.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, In, FPGA module also with ultrasonic excitation circuit connection;
Ultrasonic excitation circuit receives the instruction of transmitting pulse control transmitted by FPGA module, is referred to according to transmitting pulse control It enables to ultrasonic transducer and emits narrow pulse signal.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, In, further include:Power module;
Power module and ultrasonic excitation circuit connection;
Power module is the charging of ultrasonic excitation circuit.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, In, further include:Key regulates and controls module;
Key regulation module is connect with STM control module;
Key regulation module is used to receive the control manipulation instruction of user, and control manipulation instruction is sent to STM control Module;
STM control module is according to the corresponding function of control manipulation instruction execution.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect, In, display device includes:At least one of LCD display, OLED display screen, LED display.
Second aspect, the utility model embodiment also provide a kind of ultrasonic imaging system, including monitoring center and one A or multiple ultrasonic imaging apparatus as described in relation to the first aspect;
Ultrasonic imaging apparatus and monitoring center communicate to connect.
The utility model embodiment brings following beneficial effect:
In ultrasonic imaging apparatus provided by the embodiment of the utility model, including ultrasonic excitation circuit, ultrasonic transducer, Transceiver insulation circuit and FPGA module;Wherein, ultrasonic excitation circuit is connect with ultrasonic transducer;Ultrasonic excitation circuit is to super Sonic transducer emits narrow pulse signal, to motivate ultrasonic transducer to emit ultrasonic signal to target detection object;Transceiver insulation Circuit receives the multi-path echo signal that is reflected after receiving ultrasonic signal of target detection object, and by multi-path echo signal It is sent to FPGA module;FPGA module carries out Digital Signal Processing to multi-path echo signal, and it is corresponding to obtain target detection object Imaging signal.The utility model uses ultrasonic excitation circuit transmission narrow pulse signal, motivates minisize condenser type ultrasonic transducer Emit ultrasonic wave to target detection object, detection accuracy can be improved, and target detection object is received using transceiver insulation circuit The echo-signal being reflected back, the processing in conjunction with FPGA module to echo-signal substantially increase conversion speed, and imaging effect Rate.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of ultrasonic imaging apparatus provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of another ultrasonic imaging apparatus provided by the embodiment of the utility model;
Fig. 3 is the structural representation of ultrasonic transducer in a kind of ultrasonic imaging apparatus provided by the embodiment of the utility model Figure;
Fig. 4 is the structural representation of square transducer array in a kind of ultrasonic transducer provided by the embodiment of the utility model Figure;
Fig. 5 is that the structure of ultrasonic excitation circuit in a kind of ultrasonic imaging apparatus provided by the embodiment of the utility model is shown It is intended to;
Fig. 6 is the structural representation of transceiver insulation circuit in a kind of ultrasonic imaging apparatus provided by the embodiment of the utility model Figure;
Fig. 7 is FPGA module quadrature demodulation signal in a kind of ultrasonic imaging apparatus provided by the embodiment of the utility model Figure;
Fig. 8 is a kind of structural schematic diagram of ultrasonic imaging system provided by the embodiment of the utility model.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Currently, most of in existing ultrasonic imaging apparatus utilize traditional piezoelectric-type ultrasonic wave transducer, due to kind Kind limitation has been unable to meet the demand of Modern ultrasound detection, and using DSP digital signal processing chip, processing speed is slower, tradition Transceiver circuit mostly uses switch isolation method to realize transmitting and the isolation of reception pattern, and circuit structure is complicated, higher cost.
Based on this, the utility model embodiment provides a kind of ultrasonic imaging apparatus and system, using ultrasonic excitation Circuit transmission narrow pulse signal, excitation minisize condenser type ultrasonic transducer emit ultrasonic wave to target detection object, can be improved Detection accuracy, and the echo-signal that is reflected back of target detection object is received using transceiver insulation circuit, in conjunction with FPGA module to returning The processing of wave signal substantially increases conversion speed and imaging efficiency.
For convenient for understanding the present embodiment, first to a kind of ultrasonic imaging disclosed in the utility model embodiment Device describes in detail.
Embodiment one:
The utility model embodiment provides a kind of ultrasonic imaging apparatus, and referring to figure 1 and figure 2, which includes: Ultrasonic excitation circuit 101, ultrasonic transducer 102, transceiver insulation circuit 104 and FPGA module 105.
Wherein, ultrasonic excitation circuit 101 is connect with ultrasonic transducer 102;Ultrasonic excitation circuit 101 is changed to ultrasound Energy device 102 emits narrow pulse signal, to motivate ultrasonic transducer 102 to emit ultrasonic signal to target detection object 103;Transmitting-receiving Isolation circuit 104 receives the multi-path echo signal that target detection object 103 is reflected after receiving ultrasonic signal, and will be more Road echo-signal is sent to FPGA module 105;FPGA module 105 carries out Digital Signal Processing to multi-path echo signal, obtains mesh Mark the corresponding imaging signal of detection object 103.
In the present embodiment, ultrasonic transducer includes:Pedestal 1021, support rod 1022 and square transducer array 1023.Shown in Figure 3, support rod 1022 is installed vertically on pedestal 1021;Support rod 1022 can carry out in the horizontal direction 360 degree rotation;Square transducer array 1023 is flexibly connected with the end of support rod 1022;Square transducer array 1023 wraps It includes:The round ultrasonic wave emitting head of 16 parallel combinations, it is shown in Figure 4.
Above-mentioned ultrasonic transducer is minisize condenser type energy converter, has high sensitivity, bandwidth, matches with Medium impedence And it is suitble to the advantages such as manufacture integrated array.In the control of imaging direction, using autonomous Design can multi-directional rotation ultrasound Energy converter 102 can be realized the transformation of imaging direction.
102 collective effect of ultrasonic excitation circuit 101 and ultrasonic transducer, the process for generating ultrasonic wave are as follows:In ultrasound 102 one end of energy converter applies direct current biasing, so that its restoring force and electric field force is reached balance, while another in ultrasonic transducer 102 Endlap add it is ac-excited, make ultrasonic transducer 102 it is ac-excited with direct current biasing collective effect under generate ultrasonic wave.
Above-mentioned ultrasonic excitation circuit 101 realizes pulse excitation using burst pulse mode of excitation.Burst pulse emits to diminution Blind band, raising detection accuracy are of great significance.Burst pulse transmitting is to generate sharp height by inductance or capacitor repid discharge Pressure pulse signal motivates ultrasonic transducer 102 to emit ultrasound, and the utility model embodiment is excited using capacitor repid discharge Energy converter emits ultrasonic wave, shown in Figure 5.
Further, the theoretical foundation of above-mentioned transceiver insulation circuit 104 is diode limiting principle, this circuit has 2 works With:To high input voltage signal limiter, make this signal by the way that detection chip will not be burnt out when subsequent detection circuit;By echo-signal with Input signal separation, floods weak echo signal by high input voltage signal.Transceiver insulation circuit 104 is specifically by isolation electricity Appearance, diode bridge, biasing networks, bilateral diode composition, it is shown in Figure 6.
When due to ultrasonic system imaging, through the reflected ultrasonic wave of object, i.e. echo-signal decaying is serious, more micro- It is weak, it is additionally provided with low-noise amplifier 106 and speed A/D converter 107 in this device provided in this embodiment, low noise is put Big device 106 is connect with transceiver insulation circuit 104, speed A/D converter 107 respectively;Low-noise amplifier 106 receives transceiver insulation Echo-signal transmitted by circuit 104, and echo-signal is amplified into processing;Speed A/D converter 107 will be after enhanced processing Signal be converted to digital signal, and digital signal is sent to FPGA module 105.
In the present embodiment, amplification appropriate is carried out to echo-signal using low-noise amplifier 106, increases signal-to-noise ratio, it will Signal after low noise amplification is connected to 8 high speed and precision AD converters 107, is digital signal by analog-signal transitions, on It states low-noise amplifier 106 to realize using AD603, AD603 is a low noise, voltage-controlled type amplifier, is used for radio frequency (RF) and intermediate frequency (IF) automatic growth control (AGC) system, it can provide accurate pin optional gain.
In addition, above-mentioned low-noise amplifier 106 and speed A/D converter 107 can also be replaced with AD8331 or with three The resolution elements multi-stage cascade such as pole pipe composition can be by digit in the conversion of accurate AD signal or precision DA signal conversion aspect The less or more module of digit is changed into for 12 high-speed AD D/A modules.
Above-mentioned FPGA module 105 specifically includes:Bandpass filter, adder and quadrature demodulator.Bandpass filter receives Multi-path echo signal, and multi-path echo signal is filtered, it will be in the multiple signals input summer after filtering processing; Adder carries out operation to multiple signals, obtains signal all the way and is input to quadrature demodulator;Quadrature demodulator to signal all the way into The removal of row carrier component, generates imaging signal.Wherein, quadrature demodulation process is as shown in Figure 7.
In addition, above-mentioned ultrasonic imaging apparatus further includes:STM control module 110 and display device 111.STM controls mould Block 110 is connect with FPGA module 105 and display device 111 respectively;STM control module 110 receives transmitted by FPGA module 105 Imaging signal, and display device 111 is controlled according to imaging signal, target detection object 103 is performed image display.Above-mentioned display Device 111 includes:At least one of LCD display, OLED display screen, LED display.
In the present embodiment, STM control module 110 uses STM32103 chip, complete using the heterogeneous system of FPGA+ARM At digital bea mforming, the signal processings such as demodulation detection are final to realize imaging.
FPGA module 105 is also connect with ultrasonic excitation circuit 101;Ultrasonic excitation circuit 101 receives FPGA module The instruction of transmitting pulse control transmitted by 105 instructs to ultrasonic transducer according to transmitting pulse control and emits narrow pulse signal.
In addition, further including power module 108, key regulation module 109 in the present embodiment.Power module 108 and ultrasonic wave Energizing circuit 101 connects;Power module 108 is the charging of ultrasonic excitation circuit 101.Key regulates and controls module 109 and STM controls mould Block 110 connects;Key regulation module 109 is used to receive the control manipulation instruction of user, and control manipulation instruction is sent to STM Control module 110;STM control module 110 is according to the corresponding function of control manipulation instruction execution.
Ultrasonic imaging apparatus provided by the present embodiment the specific implementation process is as follows:
It is powered first by power module 108 to ultrasonic excitation circuit 101, so that inductance or capacitor repid discharge generate Sharp high-voltage pulse signal come motivate ultrasonic transducer to target detection object 103 emit directional ultrasonic.Ultrasonic wave connects It is reflected after striking mark detection object 103, forms echo-signal, which passes through transceiver insulation circuit 104, carries out incident The separation of wave and back wave, while high pressure transmitting pulse being prevented to enter FPGA module 105.When due to ultrasonic system imaging, through object The reflected ultrasonic attenuation of body is serious, and echo-signal is fainter, herein using low-noise amplifier 106 to returning Wave signal carries out amplification appropriate, increases signal-to-noise ratio, the signal after low noise amplification is connected to 8 high speed and precision AD conversion Analog-signal transitions are digital signal by device 107, are next sent into FPGA module 105 and are for further processing.It is powerful using FPGA Operational capability, pass through respective algorithms realize imaging.What the utility model was selected is the DE2-70 development board of altera corp.It adjusts IP core is provided with Altera and creates new filter module, sets parameter, then believes the multichannel by filtering processing Number be sent into adder in, multiple signals are synthesized all the way.Later by a quadrature demodulator, the load in echo-signal is removed Wave component extracts the amplitude and phase information of signal.
The utility model emits narrow pulse signal using ultrasonic excitation circuit 101, motivates minisize condenser type ultrasonic transduction Device 102 emits ultrasonic wave to target detection object 103, detection accuracy can be improved, and receive mesh using transceiver insulation circuit 104 The echo-signal that mark detection object 103 is reflected back, the processing in conjunction with FPGA module 105 to echo-signal substantially increase signal Processing speed and imaging efficiency.
Advantage is as follows compared with prior art for the utility model:
1. Digital Signal Processing and storage are called, using FPGA+ARM heterogeneous system, realization is instructed using different type The computing unit of collection and architectural framework, improves the speed of Digital Signal Processing and the stability of system, sets global procedures Meter becomes succinct.FPGA is calculated, and ARM carries out master control control.
2. using low-noise amplifier, such as AD603 low noise, gain-programmed amplifier, detection accuracy is improved.
3. ultrasonic excitation circuit uses burst pulse mode of excitation.Burst pulse transmitting is to the blind band of diminution, raising detection accuracy It is of great significance.Burst pulse transmitting is that generate sharp high-voltage pulse signal by inductance or capacitor repid discharge super to motivate For sonic transducer to emit ultrasound, utility model device emits ultrasonic wave using capacitor repid discharge excitation energy converter.
4. rationally utilizing the IP kernel resource of FPGA, system processing capacity is improved.
5. utility model device uses square square transducer array in terms of ultrasound transducer array, It is that 12mm circle ultrasonic wave emitting head parallel combination forms by 16 diameters, compares rectangular array shape, directive property range is quasi- Really, imaging effect is more preferable.
6. in the control of imaging direction, using autonomous Design can multi-directional rotation device, realize imaging direction Transformation.
Embodiment two:
The utility model embodiment also provides a kind of ultrasonic imaging system, shown in Figure 8, which includes in monitoring The heart 22 and one or more ultrasonic imaging apparatus 21 as described in relation to the first aspect, wherein ultrasonic imaging apparatus 21 with Monitoring center 22 communicates to connect.Monitoring center 22 can receive imaging results transmitted by multiple ultrasonic imaging apparatus 21, into Row date comprision or data save.
Ultrasonic imaging system provided by the utility model embodiment contains ultrasonic imaging described in embodiment one Above-mentioned function equally may be implemented in device, and details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally it should be noted that:Embodiment described above, only specific embodiment of the present utility model, to illustrate this The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned The utility model is described in detail in embodiment, those skilled in the art should understand that:It is any to be familiar with this skill The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features;And these modifications, Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right Subject to the protection scope asked.

Claims (10)

1. a kind of ultrasonic imaging apparatus, which is characterized in that including:Ultrasonic excitation circuit, ultrasonic transducer, transceiver insulation electricity Road and FPGA module;
The ultrasonic excitation circuit is connect with the ultrasonic transducer;
The ultrasonic excitation circuit emits narrow pulse signal to the ultrasonic transducer, to motivate the ultrasonic transducer to mesh It marks detection object and emits ultrasonic signal;
The transceiver insulation circuit receives the multichannel that the target detection object is reflected after receiving the ultrasonic signal Echo-signal, and the multi-path echo signal is sent to the FPGA module;
The FPGA module carries out Digital Signal Processing to the multi-path echo signal, and it is corresponding to obtain the target detection object Imaging signal.
2. ultrasonic imaging apparatus according to claim 1, which is characterized in that the ultrasonic transducer includes:Pedestal, Support rod and square transducer array;
The support rod is installed vertically on the pedestal;
The support rod can carry out 360 degree rotation in the horizontal direction;
The square transducer array is flexibly connected with the end of the support rod;
The square transducer array includes:The round ultrasonic wave emitting head of 16 parallel combinations.
3. ultrasonic imaging apparatus according to claim 1, which is characterized in that further include:Low-noise amplifier and high speed AD converter;
The low-noise amplifier is connect with the transceiver insulation circuit, the speed A/D converter respectively;
The low-noise amplifier receives echo-signal transmitted by the transceiver insulation circuit, and the echo-signal is carried out Enhanced processing;
Signal after the enhanced processing is converted to digital signal by the speed A/D converter, and the digital signal is sent To the FPGA module.
4. ultrasonic imaging apparatus according to claim 1, which is characterized in that the FPGA module includes:Bandpass filtering Device, adder and quadrature demodulator;
The bandpass filter receives the multi-path echo signal, and is filtered to the multi-path echo signal, will filter Wave treated multiple signals input in the adder;
The adder carries out operation to the multiple signals, obtains signal all the way and is input to the quadrature demodulator;
The quadrature demodulator carries out carrier component removal to the signal all the way, generates the imaging signal.
5. ultrasonic imaging apparatus according to claim 1, which is characterized in that further include:STM control module and display dress It sets;
The STM control module is connect with the FPGA module and the display device respectively;
The STM control module receives imaging signal transmitted by the FPGA module, and controls institute according to the imaging signal Display device is stated to perform image display the target detection object.
6. ultrasonic imaging apparatus according to claim 1, which is characterized in that the FPGA module also with the ultrasonic wave Energizing circuit connection;
The ultrasonic excitation circuit receives the instruction of transmitting pulse control transmitted by the FPGA module, according to the transmitting arteries and veins It rushes control instruction and emits the narrow pulse signal to the ultrasonic transducer.
7. ultrasonic imaging apparatus according to claim 1, which is characterized in that further include:Power module;
The power module and the ultrasonic excitation circuit connection;
The power module is the charging of ultrasonic excitation circuit.
8. ultrasonic imaging apparatus according to claim 5, which is characterized in that further include:Key regulates and controls module;
The key regulation module is connect with the STM control module;
Key regulation module is used to receive the control manipulation instruction of user, and control manipulation instruction is sent to described STM control module;
The STM control module is according to the corresponding function of control manipulation instruction execution.
9. ultrasonic imaging apparatus according to claim 5, which is characterized in that the display device includes:LCD is shown At least one of screen, OLED display screen, LED display.
10. a kind of ultrasonic imaging system, which is characterized in that including monitoring center and one or more such as claim 1 To 9 described in any item ultrasonic imaging apparatus;
The ultrasonic imaging apparatus and the monitoring center communicate to connect.
CN201820511601.2U 2018-04-09 2018-04-09 Ultrasonic imaging apparatus and system Expired - Fee Related CN208110038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820511601.2U CN208110038U (en) 2018-04-09 2018-04-09 Ultrasonic imaging apparatus and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820511601.2U CN208110038U (en) 2018-04-09 2018-04-09 Ultrasonic imaging apparatus and system

Publications (1)

Publication Number Publication Date
CN208110038U true CN208110038U (en) 2018-11-16

Family

ID=64121215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820511601.2U Expired - Fee Related CN208110038U (en) 2018-04-09 2018-04-09 Ultrasonic imaging apparatus and system

Country Status (1)

Country Link
CN (1) CN208110038U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109387570A (en) * 2018-12-03 2019-02-26 吉林大学 Building pile body detection device and detection method based on ultrasound
CN112270877A (en) * 2020-09-29 2021-01-26 中国人民解放军海军工程大学 Beam forming experiment system, experiment method and high-resolution detection equipment
CN112881535A (en) * 2021-01-06 2021-06-01 深圳市麒博精工科技有限公司 Novel low-voltage frequency domain synthesis type ultrasonic microscope circuit design method
CN114280994A (en) * 2021-12-24 2022-04-05 武汉中旗生物医疗电子有限公司 Noise processing system and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109387570A (en) * 2018-12-03 2019-02-26 吉林大学 Building pile body detection device and detection method based on ultrasound
CN112270877A (en) * 2020-09-29 2021-01-26 中国人民解放军海军工程大学 Beam forming experiment system, experiment method and high-resolution detection equipment
CN112881535A (en) * 2021-01-06 2021-06-01 深圳市麒博精工科技有限公司 Novel low-voltage frequency domain synthesis type ultrasonic microscope circuit design method
CN114280994A (en) * 2021-12-24 2022-04-05 武汉中旗生物医疗电子有限公司 Noise processing system and method
CN114280994B (en) * 2021-12-24 2024-04-16 武汉中旗生物医疗电子有限公司 Noise processing system and method

Similar Documents

Publication Publication Date Title
CN208110038U (en) Ultrasonic imaging apparatus and system
JP4124944B2 (en) Underwater detector
CN104793189B (en) A kind of marine radar digitised Intermediate Frequency coherent receiving processing system based on FPGA
CN1891161B (en) Ultrasound imaging system having motion adaptive gain
CN203869772U (en) Wireless vibration signal acquisition instrument
CN101335573B (en) Wideband adaptive matching method and apparatus for submarine sound signal transmitter
CN107579782B (en) Underwater sound modem with cross-medium communication capability and modulation method
CN110133666A (en) A kind of monitoring System and method for of offshore wind farm pile scouring state
CN206379949U (en) A kind of internet terminal based on bluetooth
CN105608400B (en) Surface acoustic wave wireless sensor reading device and implementation method
CN105607066A (en) Multi-frequency point single transducer sonar water depth measuring system and measuring method
CN103439411B (en) Multispan hole ultrasonic wave detecting system and detection method thereof
CN207820219U (en) A kind of audio output device
KR101081877B1 (en) Apparatus and method for transmitting and receiving a sound in air using a parametric array
CN103344943A (en) Ultrasonic image positioning detecting device of transformer substation
CN216013419U (en) Acoustic Doppler flow velocity rapid measurement system based on power supply conversion circuit
CN207184490U (en) A kind of underwater sound signal harvester
CN104375134B (en) General underwater sound measuring system
CN109283251B (en) Signal processing circuit of well wall imaging ultrasonic phased array
CN203432945U (en) Multispan-hole ultrasonic detecting system
CN210181215U (en) Image sonar device
KR20220052821A (en) Signal processing circuit and position detection device
CN201463853U (en) Variable frequency digital depth sounder
CN106937227A (en) It is a kind of new without the active microphone of vibrating diaphragm
CN113721195A (en) Four-channel hydrophone array based on deep-water underwater glider and operation method

Legal Events

Date Code Title Description
GR01 Patent grant
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: 20181116

Termination date: 20190409