CN206208384U - A kind of portable HIFU sound parameter field measurement apparatus - Google Patents
A kind of portable HIFU sound parameter field measurement apparatus Download PDFInfo
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- CN206208384U CN206208384U CN201621244921.3U CN201621244921U CN206208384U CN 206208384 U CN206208384 U CN 206208384U CN 201621244921 U CN201621244921 U CN 201621244921U CN 206208384 U CN206208384 U CN 206208384U
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- transducer
- hifu
- sound
- water
- ultrasonic signal
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Abstract
The utility model is related to a kind of portable HIFU sound parameter field measurement apparatus.Machine control modules in the utility model include cross ball screw slide unit, installing arm, anechoic tank, liftable transducer clamping device；Liftable transducer clamping device includes liftable support and transducer clamper；The upper end of liftable support is equipped with transducer clamper, and the transducer of HIFU equipment to be measured is arranged on transducer clamper；HIFU sound parameter is calculated and be uploaded to the data that the ultrasonic signal detects acquisition module collection in processor by isa bus by output module, and the sound field images of reconstruction and the parameter being calculated show on that module.The utility model can easily measure the parameters such as ultrasonic sound field focal point acoustic pressure, the sound intensity and the acoustical power of HIFU ultrasonic devices, and convenient to use, simple to operate, reliability is high.
Description
Technical field
The utility model belongs to acoustic metrology field, more particularly to a kind of portable HIFU sound parameter field measurement apparatus,
It is mainly used in the live HIFU sound parameter measurement of medical HIFU ultrasonic devices.
Background technology
As ultrasonic diagnostic equipment, modality and therapeutic equipment are in the extensive use in the fields such as medical treatment, it is ensured that all kinds of doctors
It is accurate and safe with the value of ultrasonic device, have very important significance.
High intensity focused ultrasound (HIFU) technology is that one kind is focused in vivo using high strength supersonic wave beam, and to target area
Pathological tissues in domain elect a kind of minimally-invasive treatment technology of damage.At present, the dress of practice aspect measurement ultrasonic sound field parameter
Put the shortcomings of generally having bulky, experiment condition is harsh.
In terms of practice, radiant force balance (RFB) and hydrophone are still measurement acoustical power and sound-filed simulation and the sound intensity
Basic skills.But none is not that experiment condition is harsh, appliance arrangement is huge to prior art, therefore hospital will be to HIFU equipment
Sound field parameters carry out calibration and must take ultrasonic transducer to authoritative testing agency, and such as Weights and Measures Bureau tests so that equipment school
Standard becomes a huge thing of quantities.
The content of the invention
In order to solve technical problem present in prior art, the utility model provides a kind of portable HIFU sound parameter
Field measurement apparatus.
The utility model includes that machine control modules, ultrasonic signal detection acquisition module and HIFU sound parameter are calculated and exported
Module.
The machine control modules include cross ball screw slide unit, installing arm, anechoic tank, the clamping of liftable transducer
Device；Cross ball screw slide unit is driven by motor；U-shaped installing arm one end is connected on cross ball screw slide unit, separately
One end is provided with ultrasonic signal detection acquisition module；The installing arm is located in the anechoic tank；The liftable transducer
Clamping device includes liftable support and transducer clamper；The upper end of liftable support is equipped with transducer clamper, to be measured
The transducer of HIFU equipment is arranged on transducer clamper.
The HIFU sound parameter is calculated and the ultrasonic signal is detected acquisition module and gathered by output module by isa bus
Data be uploaded in processor, the sound field images of reconstruction and the parameter being calculated show on that module.
Furtherly, the anechoic tank is respectively provided with a water inlet and delivery port up and down, in the water inlet
Bottom is also provided with a gap, and when the gap is used to prevent transducer from loading and moving, water is spilt into outside device；
Water tank is overflowed in the gap connection；The water for overflowing delivery port and noise elimination the water outlet of water tank discharge of water tank is entered singly to go out Fen Shui by two
Device attachment means discharge outlet, and together outside discharger.
Furtherly, the size of the anechoic tank is 400mm*200mm*200mm；In four perisporiums of the anechoic tank
Upper and bottom laying deadener, sound absorbent rubber of the deadener from high frequency.
Furtherly, the ultrasonic signal detection acquisition module includes ultrasonic signal detector and ultrasonic signal acquisition device；
The ultrasonic signal detector uses hydrophone；The ultrasonic signal acquisition device is using programmable ultrasonic wave board.
Furtherly, its stroke of the cross ball screw slide unit is 44mm*44mm, the cross ball screw slide unit
Driving the hydrophone carries out arcuate scanning, and controls the liftable support after a flat scanning is completed, and rises or is down to
Another measurement plane.
The utility model devises a kind of portable HIFU sound ginseng for being mainly used in the medical HIFU ultrasonic devices of in-site measurement
Number field measurement apparatus, by hydrophone measure sound pressure level calculate acoustic pressure at the acoustic field focus of HIFU ultrasonic devices, the sound intensity,
The sound field parameters such as acoustical power, it being capable of intelligent, the accurate measurement that graphically completes to high intensity focused ultrasound sound field parameters.
Brief description of the drawings
Fig. 1 is the utility model device for mechanical part-structure schematic diagram.
Fig. 2 is liftable transducer clamping device structural representation.
Fig. 3 is the utility model control section schematic diagram.
Fig. 4 is that HIFU sound parameter is calculated and output module schematic diagram.
Fig. 5 is the utility model device overall schematic.
Fig. 6 is the utility model device course of work schematic diagram.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 5, a kind of portable HIFU sound parameter field measurement apparatus, including noise elimination water tank 1, it is arranged on
The first cabinet 11 above noise elimination water tank, the liftable support 9 being vertically arranged on front side of noise elimination water tank, overflow water storage 5 and upper
Machine operates display interface 17, and the anechoic tank is quadrangle tank, and its size is 400mm*200mm*200mm；Disappear described
Lay deadener, sound absorbent rubber of the deadener from high frequency on four perisporiums of sound tank and bottom.
Above-mentioned spilling water storage 4 is used for the water overflowed from gap 6 in temporary storage device operating process, terminates in measurement
Afterwards, the water for overflowing delivery port 3 and noise elimination water outlet of water tank 2 discharge of water storage tank to enter singly go out water knockout drum attachment means draining by two
Mouth 18 is together outside discharger.
The lift in height of above-mentioned liftable support, the motor connected by motion control card 14 is controlled, and motor is preferably
Servomotor.
The top of above-mentioned liftable support is provided with a transducer clamper 7, for fixing HIFU ultrasonic devices to be measured
Transducer.
Above-mentioned cross ball screw slide unit 10 is fixed on the center of top of the first cabinet, data collecting card 13, motion control
Card 14, processor 15 is fixed in the second cabinet 16, sees Fig. 3 and Fig. 4.
Hydrophone installing arm 12 is connected under above-mentioned cross ball screw slide unit.The motor connected by motion control card is carried out
Control, motor is preferably servomotor, and cross ball screw slide unit drives hydrophone arcuate scanning sound field, and can be risen described in control
Descending branch frame rises or is down to another measurement plane after a flat scanning is completed.Hydrophone installing arm afterbody is mounted with hydrophone
Mounting seat, for installing hydrophone 8, makes hydrophone 8 perpendicular to sound source face, sees Fig. 2, in order to realize scanning ultrasonic sound field sound source face
Purpose, the cross ball screw slide unit by motor drive, its stroke be 44mm*44mm.
Above-mentioned hydrophone is connected with data collecting card, the data that hydrophone is scanned, by data collecting card with certain frequency
Gathering HIFU sound field acoustic pressure datas, then transfer data to processor carries out data processing, rebuilds sound field and simultaneously calculates focal point sound
The parameters such as pressure, the sound intensity and acoustical power.
Host computer operation display interface 17 is arranged in the second cabinet 16, host computer operation display interface 17 connection treatment
Device, the final display parameter such as sound field rebuilding image and focal point acoustic pressure, the sound intensity and acoustical power.
If Fig. 6 is the workflow schematic diagram of the utility model device.
A. preparation：The water valve at water inlet and gap is opened, outlet valve is simultaneously closed off；After completing water filling, will treat
The transducer for surveying HIFU ultrasonic devices is fixed on liftable transducer clamping device；
B. starter；
C. screw rod movement mechanism drive hydrophone carries out the sound pressure signal in arcuate scanning collection near-field sound source face；Complete one
After the scanning in face, liftable transducer clamping device vertical direction motion 0.5mm, screw rod movement mechanism drives hydrophone to enter again
Row arcuate scanning gathers second sound pressure signal in sound source face；Motion resets；
D. above-mentioned measurement data is utilized, HIFU sound field images are rebuild, some important parameters of HIFU sound fields to be measured are calculated,
Such as focal point acoustic pressure, the sound intensity, acoustical power；
E. HIFU sound field images and the result of calculation output that will be rebuild；
F. outlet valve is opened, by the water discharge in device, transducer is removed；
I. shutoff device.
Its focal point acoustic pressure detects the signal that acquisition module is collected according to ultrasonic signal, calculates gained
Focal point acoustic pressure：
Wherein, p is acoustic pressure, and x, y, z is the three-dimensional coordinate of focus, and x', y', z' are the three-dimensional coordinates of certain point in sound field, and k is
Wave number,
The focal point sound intensity：
Wherein, I is the focal point sound intensity, p0It is acoustic pressure, u0It is the velocity of sound, φ1、φ2Two phases in sound source face.
Focal point acoustical power：P=∫ ∫ Ids.
Wherein, P is focal point acoustical power.
To sum up, the portable ultrasonic field parameter measuring system of the utility model design can easily measure HIFU ultrasounds
The parameters such as the ultrasonic sound field focal point acoustic pressure of equipment, the sound intensity and acoustical power, convenient to use, simple to operate, reliability is high.Only
Need to add water when in use, clamping transducer and starter, it becomes possible to realize the in-site measurement to HIFU sound parameters.
The above, is only preferred embodiment of the present utility model, and not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made to above example according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a kind of portable HIFU sound parameter field measurement apparatus, it is characterised in that：Visited including machine control modules, ultrasonic signal
Survey acquisition module and HIFU sound parameter is calculated and output module；
The machine control modules include cross ball screw slide unit, installing arm, anechoic tank, liftable transducer clamping dress
Put；Cross ball screw slide unit is driven by motor；U-shaped installing arm one end is connected on cross ball screw slide unit, another
End is provided with ultrasonic signal detection acquisition module；The installing arm is located in the anechoic tank；The liftable transducer folder
Holding device includes liftable support and transducer clamper；The upper end of liftable support is equipped with transducer clamper, HIFU to be measured
The transducer of equipment is arranged on transducer clamper；
The HIFU sound parameter is calculated and the ultrasonic signal is detected the number that acquisition module is gathered by output module by isa bus
According to being uploaded in processor, the sound field images of reconstruction and the parameter being calculated show on that module.
2. a kind of portable HIFU sound parameter field measurement apparatus according to claim 1, it is characterised in that：The noise elimination
Tank is respectively provided with a water inlet and delivery port up and down, in the bottom of the water inlet is also provided with a gap, institute
When stating gap for preventing transducer from loading and moving, water is spilt into outside device；Water tank is overflowed in the gap connection；Overflow
The water of delivery port and noise elimination the water outlet of water tank discharge of water tank to enter singly go out water knockout drum attachment means discharge outlet by two, and arranges together
Go out outside device.
3. a kind of portable HIFU sound parameter field measurement apparatus according to claim 1 and 2, it is characterised in that：It is described
The size of anechoic tank is 400mm*200mm*200mm；On four perisporiums of the anechoic tank and bottom laying deadener,
Sound absorbent rubber of the deadener from high frequency.
4. a kind of portable HIFU sound parameter field measurement apparatus according to claim 1, it is characterised in that：The ultrasound
Signal detection acquisition module includes ultrasonic signal detector and ultrasonic signal acquisition device；The ultrasonic signal detector is listened using water
Device；The ultrasonic signal acquisition device is using programmable ultrasonic wave board.
5. a kind of portable HIFU sound parameter field measurement apparatus according to claim 4, it is characterised in that：The cross
Its stroke of ball screw slide unit is 44mm*44mm, and the cross ball screw slide unit drives the hydrophone to carry out arch and sweeps
Retouch, and control the liftable support after a flat scanning is completed, rise or be down to another measurement plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621244921.3U CN206208384U (en) | 2016-11-21 | 2016-11-21 | A kind of portable HIFU sound parameter field measurement apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621244921.3U CN206208384U (en) | 2016-11-21 | 2016-11-21 | A kind of portable HIFU sound parameter field measurement apparatus |
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| Publication Number | Publication Date |
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| CN206208384U true CN206208384U (en) | 2017-05-31 |
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ID=58749853
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621244921.3U Active CN206208384U (en) | 2016-11-21 | 2016-11-21 | A kind of portable HIFU sound parameter field measurement apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008615A (en) * | 2019-04-15 | 2019-07-12 | 中国计量大学 | A kind of HIFU sound field detection system based on finite element model method |
| CN112229499A (en) * | 2020-09-15 | 2021-01-15 | 东莞东阳光医疗智能器件研发有限公司 | Sound field measuring system and control method thereof |
-
2016
- 2016-11-21 CN CN201621244921.3U patent/CN206208384U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008615A (en) * | 2019-04-15 | 2019-07-12 | 中国计量大学 | A kind of HIFU sound field detection system based on finite element model method |
| CN110008615B (en) * | 2019-04-15 | 2024-04-09 | 中国计量大学 | HIFU sound field detection system based on finite element model method |
| CN112229499A (en) * | 2020-09-15 | 2021-01-15 | 东莞东阳光医疗智能器件研发有限公司 | Sound field measuring system and control method thereof |
| CN112229499B (en) * | 2020-09-15 | 2022-08-12 | 韶关东阳光自动化设备有限公司 | Sound field measuring system and control method thereof |
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