CN212693060U - Portable HIFU sound field measuring device - Google Patents
Portable HIFU sound field measuring device Download PDFInfo
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- CN212693060U CN212693060U CN202021476840.2U CN202021476840U CN212693060U CN 212693060 U CN212693060 U CN 212693060U CN 202021476840 U CN202021476840 U CN 202021476840U CN 212693060 U CN212693060 U CN 212693060U
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Abstract
The utility model relates to a technical field of HIFU transducer sound field test, more specifically relates to a portable HIFU sound field measuring device. A portable HIFU sound field measuring device comprises a hydrophone control system and a water tank which can be arranged on the hydrophone control system or moved away from the hydrophone control system, wherein the bottom of the water tank is connected with an HIFU transducer; the water tank comprises a water tank, a three-axis motion control frame and a hydrophone support, wherein the three-axis motion control frame is arranged on the water tank, the hydrophone support is connected with the three-axis motion control frame, and the hydrophone support is connected with a hydrophone. Compared with the existing hydrophone measuring device, the utility model has the advantages that the volume is small, and the design is portable; for the HIFU transducer installed on the system, the hydrophone can be well placed on the HIFU transducer to be scanned without being disassembled.
Description
Technical Field
The utility model relates to a technical field of HIFU transducer sound field test, more specifically relates to a portable HIFU sound field measuring device.
Background
When the existing HIFU transducer is used for sound field testing, a hydrophone device is used for measurement, the HIFU transducer needs to be installed in a water tank of the hydrophone, then the hydrophone is moved by a control system to search a maximum point to obtain a focus position, scanning of the sound field is carried out, the sound field of the HIFU transducer is reconstructed by scanning results, the focus position needs to be searched by moving the hydrophone by the control system when the focus is changed every time for scanning.
The disadvantages of the prior art are as follows: the existing hydrophone device for testing the HIFU sound field is large and cannot be carried, an HIFU transducer needs to be installed in a hydrophone water tank for measurement, and an HIFU probe installed on a system cannot be measured; the existing hydrophone measurement needs time to find the focus position, the maximum value needs to be found by moving the hydrophone through a control system to obtain the focus position each time the focus is changed, and then scanning of a sound field is carried out; the existing hydrophone measurement scanning result is only to reconstruct the sound field of the HIFU transducer, and has no more feedback function.
For example, chinese patent CN201611023631.0 discloses a portable HIFU acoustic parameter field measurement device, which includes a cross ball screw sliding table, a mounting arm, a silencing water tank, a lifting transducer clamping device, etc., but the above patent does not disclose how to perform a sound field test on a HIFU transducer mounted on a system treatment table.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least, provide a portable HIFU sound field measuring device, satisfying can be to the sound field measurement basis of the transducer of not installing on the system, to installing the HIFU transducer that the system was treated on the bed equally can carry out the sound field test, need not to dismantle the HIFU transducer, directly can measure on the HIFU transducer with the hydrophone is installed.
The technical scheme of the utility model is that: a portable HIFU sound field measuring device comprises a hydrophone control system and a water tank which can be arranged on the hydrophone control system or moved away from the hydrophone control system, wherein the bottom of the water tank is connected with an HIFU transducer;
the water tank comprises a water tank, a three-axis motion control frame and a hydrophone support, wherein the three-axis motion control frame is arranged on the water tank, the hydrophone support is connected with the three-axis motion control frame, and the hydrophone support is connected with a hydrophone.
Furthermore, the three-axis motion control frame comprises an x-direction motion frame, a y-direction motion frame and a z-direction motion frame, the x-direction motion frame is arranged on the upper portion of one side of the water tank, the y-direction motion frame is connected with the x-direction motion frame, the z-direction motion frame is connected to the upper portion of the y-direction motion frame, and the hydrophone support is fixed on the z-direction motion frame.
Furthermore, a film which can be coupled with the HIFU transducer is arranged on the bottom surface of the water tank.
Furthermore, the inner wall of the water tank is adhered with a sound absorption block.
Furthermore, a water inlet and a water outlet are formed in the side part of the water tank.
Furthermore, the hydrophone control system comprises a trolley, a DC coupler, an oscilloscope, a host and a water treatment circulating system, wherein the trolley comprises an upper layer support and a lower layer support, the water tank is arranged on the upper layer support, and the DC coupler, the oscilloscope, the host and the water treatment circulating system are arranged on the lower layer support.
Furthermore, a water inlet and a water outlet on the side part of the water tank are connected with a water treatment circulating system.
Furthermore, a mouse, a keyboard and a display are arranged on the upper layer support and are connected with the host.
Furthermore, a preamplifier is connected to the hydrophone. The water tank is a square water tank.
Compared with the prior art, the beneficial effects are: compared with the existing hydrophone measuring device, the utility model has the advantages that the volume is small, the minimum volume can reach 400 x 400mm, and the design is portable; for the HIFU transducer installed on the system, the hydrophone can be well placed on the HIFU transducer to be scanned without being detached; converting a coordinate system of the hydrophone and a coordinate system of the HIFU system, wherein the hydrophone can automatically move to a focus position according to a focus coordinate of the HIFU system for scanning without manually searching for the focus position each time; and (4) carrying out post-processing on the scanning result, judging whether the actual position of the focus is matched with the preset position, comparing the sound intensity with the initial sound field of the transducer, judging whether the transducer is damaged, and feeding back the two points.
Drawings
Fig. 1 is a schematic view of the sound field measuring device of the present invention.
Fig. 2 is a schematic view of the structure of the water tank of the present invention.
Fig. 3 is a schematic diagram of the measurement of the present invention installed on the HIFU transducer.
Fig. 4 is a schematic structural diagram of the hydrophone of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
As shown in fig. 1-3, a portable HIFU sound field measuring apparatus includes a hydrophone control system 1, a water tank 2 that can be placed on the hydrophone control system 1 or removed from the hydrophone control system 1, and a HIFU transducer 4 connected to the bottom of the water tank 2;
the water tank 2 comprises a water tank 203, a three-axis motion control frame 201 and a hydrophone support 202, wherein the three-axis motion control frame 201 is arranged on the water tank 203, the hydrophone support 202 is connected with the three-axis motion control frame 201, and the hydrophone support 202 is connected with a hydrophone 208.
In this embodiment, the water tank 2 may be disposed on the hydrophone control system 1, or may be moved away from the hydrophone control system 1 to the HIFU treatment bed 3. The hydrophone frame 202 is movable within the water tank 203 by the three-axis motion control stage 201 to adjust the position of the hydrophone 208.
Further, the triaxial motion control frame 201 comprises an x-direction motion frame 201a, a y-direction motion frame 201b and a z-direction motion frame 201c, the x-direction motion frame 201a is arranged at the upper part of one side of the water tank 203, the y-direction motion frame 201b is connected with the x-direction motion frame 201a, the z-direction motion frame 201c is connected with the upper part of the y-direction motion frame 201b, and the hydrophone support 202 is fixed on the z-direction motion frame 201 c.
In this embodiment, the hydrophone holder 202 can be adjusted by the combined action of the x-direction moving frame 201a, the y-direction moving frame 201b, and the z-direction moving frame 201c, and finally the position of the hydrophone 208 can be adjusted.
Further, the bottom surface of the water tank 203 is provided with a membrane 205 capable of coupling with the HIFU transducer 4. The membrane 205 described above is provided so as to couple well with the HIFU transducer 4.
Further, a sound absorption block 204 is attached to the inner wall of the water tank 203. The inner wall of the water tank 203 is pasted with a sound absorption block 204 of sound absorption material to prevent the influence of boundary reflection.
Further, a water inlet and outlet 206 is provided at the side of the water tank 203. The hydrophone control system 1 comprises a trolley 101, a DC coupler 102, an oscilloscope 103, a host 104 and a water treatment circulating system 105, wherein the trolley 101 comprises an upper layer support 101a and a lower layer support 101b, a water tank 2 is arranged on the upper layer support 101a, and the DC coupler 102, the oscilloscope 103, the host 104 and the water treatment circulating system 105 are all arranged on the lower layer support 101 b. The water inlet and outlet 206 on the side of the water tank 203 is connected to the water treatment circulation system 105.
In this embodiment, the water tank 2 is disposed on the upper support 101a, and can be conveniently moved from the cart 101 to the HIFU treatment couch 3. The water treatment circulation system 105 allows water inside the water tank 203 to circulate.
Further, the upper layer support 101a is further provided with a mouse 106, a keyboard 107 and a display 108, and the mouse 106, the keyboard 107 and the display 108 are all connected with the host 104. The mouse 106, the keyboard 107 and the display 108 are arranged on the upper layer support 101a, and the height of the upper layer support accords with the height of a human body, so that the operation is convenient.
The utility model discloses on satisfying the sound field measurement basis that can be to the HIFU transducer of not installing on the system, can carry out the sound field test equally to the HIFU transducer of having installed on the system treatment bed, need not to dismantle the HIFU transducer, directly install hydrophone 208 on HIFU transducer 4 and can measure, design one deck film 205 below water tank 2, coupling that can be fine with HIFU transducer 4.
Secondly, compare with current hydrophone system, the utility model discloses design hydrophone control system 1 for small, portable system, on this basis, this size also can cover the focus scope to the HIFU transducer. The sink 203 is a square sink with a small volume up to a minimum of 400 x 400mm, a portable design.
As shown in fig. 4, the hydrophone 208 is equipped with a preamplifier 207, which amplifies the signal.
The specific implementation flow of this embodiment is as follows:
when the HIFU transducer 4 is installed on the HIFU treatment bed 3, the upper surface of the HIFU transducer 4 to be detected is covered with de-aerated deionized water, so that the HIFU transducer 4 can be well coupled with the film 205 on the bottom surface of the water tank 203;
installing a water tank 2 of a hydrophone control system 1 on an HIFU transducer 4, placing the hydrophone control system 1 and others on a cart 101, attaching a sound absorption block 204 on the inner wall of a water tank 203 to prevent the influence of boundary reflection, adding de-aerated deionized water into the water tank 203, connecting a water treatment circulating system 105 through a water inlet and a water outlet 206 of the water tank, starting the water treatment circulating system 105, degassing, filtering and sterilizing, standing for more than half an hour to avoid bubbles generated in water and bring influence on subsequent tests, wherein the water treatment circulating system 105 is needed in the test process;
a hydrophone 208 is provided with a preamplifier 207, is arranged on a hydrophone support 202 and is connected with the DC coupler 102, the oscilloscope 103 and the host 104 of the hydrophone control system 1;
the focal point of the HIFU transducer 4 is set to (X1, Y1, Z1), the hydrophone 208 is moved and scanned by the three-axis motion control frame 201, the coordinate (X1, Y1, Z1) of the actual focal point on the hydrophone can be obtained, and the coordinate is recorded in the hydrophone control system 1 to obtain (X1, Y1, Z1) ═ a (X1, Y1, Z1) as the coordinate conversion between the two;
then, the focus is switched to scan, the coordinate (X2, Y2, Z2) of the focus of the HIFU transducer 4 is input without manually adjusting the position of the focus, and the coordinate (X2, Y2, Z2) corresponding to the hydrophone control system 1 is obtained as a (X2, Y2, Z2), and the hydrophone 208 can automatically move to the position of the focus to scan;
according to the scanning result and the image, the position of the actual focus and the sound field distribution of the focal region can be calculated, the result of whether the focus is matched can be obtained by comparing the calculated actual focus position with the input focal position of the HIFU transducer 4, the result of whether the HIFU transducer 4 is damaged can be obtained by comparing the calculated maximum sound intensity with the initial sound field maximum sound intensity of the transducer, and the two results are fed back to an operator;
if the sound intensity deviation is too large, it may be that an individual array element of the HIFU transducer 4 is damaged, the self-checking function of the HIFU transducer 4 may be started, each array element is transmitted to a fixed position, and the hydrophone 208 receives the array element, so that the damaged array element position can be obtained;
if the result is good, the hydrophone 208 can be directly taken down after scanning is finished, the water tank 2 is removed, and the HIFU transducer 4 can start to work normally.
In this embodiment, the coordinate system of the hydrophone and the coordinate system of the HIFU system are subjected to coordinate conversion, after the hydrophone is installed for the first time, focus searching is performed for the first time to obtain the HIFU focus coordinate and the coordinate of the point in the hydrophone system, the recording and conversion are performed to obtain the corresponding relationship, then, the focus does not need to be manually searched, after the HIFU transducer focus coordinate is input, the hydrophone can be automatically positioned at the focus for scanning, and two-dimensional scanning or three-dimensional scanning can be set.
And making corresponding feedback according to the scanning result of the hydrophone to obtain the position of the actual focus and the three-dimensional distribution of the sound pressure of the focal region, automatically calculating whether the focal region area of the focus, the actual position of the focus and the preset position are matched, comparing the sound intensity with the initial sound field of the HIFU transducer, and judging whether the HIFU transducer is damaged.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A portable HIFU sound field measuring device is characterized by comprising a hydrophone control system (1) and a water tank (2) which can be arranged on the hydrophone control system (1) or moved away from the hydrophone control system (1), wherein the bottom of the water tank (2) is connected with an HIFU transducer (4);
the water tank (2) comprises a water tank (203), a three-axis motion control frame (201) and a hydrophone support (202), wherein the three-axis motion control frame (201) is arranged on the water tank (203), the hydrophone support (202) is connected with the three-axis motion control frame (201), and the hydrophone support (202) is connected with a hydrophone.
2. The portable HIFU acoustic field measurement apparatus of claim 1, wherein: the three-axis motion control frame (201) comprises an x-direction motion frame (201a), a y-direction motion frame (201b) and a z-direction motion frame (201c), wherein the x-direction motion frame (201a) is arranged on the upper part of one side of the water tank (203), the y-direction motion frame (201b) is connected with the x-direction motion frame (201a), the z-direction motion frame (201c) is connected to the upper part of the y-direction motion frame (201b), and the hydrophone support (202) is fixed on the z-direction motion frame (201 c).
3. The portable HIFU acoustic field measurement apparatus of claim 2, wherein: the bottom surface of the water tank (203) is provided with a film (205) which can be coupled with the HIFU transducer (4).
4. The portable HIFU acoustic field measurement apparatus of claim 1, wherein: and a sound absorption block (204) is attached to the inner wall of the water tank (203).
5. The portable HIFU acoustic field measurement apparatus of claim 3, wherein: the side part of the water tank (203) is provided with a water inlet and a water outlet (206).
6. The portable HIFU acoustic field measurement apparatus of claim 5, wherein: the hydrophone control system (1) comprises a trolley (101), a DC coupler (102), an oscilloscope (103), a host (104) and a water treatment circulating system (105), wherein the trolley (101) comprises an upper support (101a) and a lower support (101b), the water tank (2) is arranged on the upper support (101a), and the DC coupler (102), the oscilloscope (103), the host (104) and the water treatment circulating system (105) are arranged on the lower support (101 b).
7. The portable HIFU acoustic field measurement apparatus of claim 6, wherein: the water inlet and outlet (206) at the side part of the water tank (203) is connected with the water treatment circulating system (105).
8. The portable HIFU acoustic field measurement apparatus of claim 7, wherein: the upper layer support (101a) is also provided with a mouse (106), a keyboard (107) and a display (108), and the mouse (106), the keyboard (107) and the display (108) are all connected with the host (104).
9. The portable HIFU acoustic field measurement apparatus of claim 1, wherein: the hydrophone is connected with a preamplifier.
10. The portable HIFU acoustic field measurement apparatus of any one of claims 1 to 9, wherein: the water tank (203) is a square water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476840.2U CN212693060U (en) | 2020-07-23 | 2020-07-23 | Portable HIFU sound field measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476840.2U CN212693060U (en) | 2020-07-23 | 2020-07-23 | Portable HIFU sound field measuring device |
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| CN212693060U true CN212693060U (en) | 2021-03-12 |
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| CN202021476840.2U Active CN212693060U (en) | 2020-07-23 | 2020-07-23 | Portable HIFU sound field measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879401A (en) * | 2020-07-23 | 2020-11-03 | 韶关东阳光自动化设备有限公司 | Portable HIFU sound field measuring device and measuring method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879401A (en) * | 2020-07-23 | 2020-11-03 | 韶关东阳光自动化设备有限公司 | Portable HIFU sound field measuring device and measuring method thereof |
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