Ultrasonic microscope waterfall type clamp
By designing an ultrasonic microscope waterfall fixture with an inner flow channel, an outer flow channel, an air storage chamber, and a capillary air guide tube, the problems of water flow deflection and bubble aggregation caused by a probe with a smaller focal length are solved, thereby improving the image quality and signal stability of ultrasonic non-destructive testing.
Patent Information
- Application Number
- CN202422534527.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-21
AI Technical Summary
When existing waterfall-type ultrasonic nondestructive testing devices use probes with smaller focal lengths, the reduced size of the water storage cup causes water flow deviation and bubble accumulation, affecting testing efficiency and quality.
A waterfall fixture for ultrasonic microscope is designed, which includes an inner flow channel, an outer flow channel, an air storage chamber and a capillary air guide tube. The outer flow channel diverts the water flow, the inner flow channel collects the water flow, and the air storage chamber and capillary air guide tube are used to discharge bubbles. It is suitable for probes with smaller focal lengths, stabilizes the water flow and improves the echo signal quality.
It effectively prevents water flow deflection, discharges bubbles at the bottom of the probe, and improves the image quality and signal stability of ultrasonic testing.
Smart Images
Figure CN223449886U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ultrasonic nondestructive testing technical field, specifically, relate to a kind of ultrasonic microscope cascade fixture. BACKGROUND
[0002] In the ultrasonic nondestructive testing process using ultrasonic microscope, the measured piece is usually immersed in liquid, but part of the measured piece cannot be completely immersed in liquid. Cascade ultrasonic nondestructive testing technology, unlike traditional nondestructive testing technology, does not need to immerse the measured piece in water, but sprays water column on the surface of the measured piece without interruption through the cascade fixture to perform ultrasonic nondestructive testing.
[0003] However, the existing spray head water storage cup is relatively large in size, which can be well matched with long-focus probes. When a smaller focal length probe is used, the size of the water storage cup is reduced due to the shorter focal length of the probe, resulting in water flow deflection. At the same time, the smaller focal length probe has a large size focusing concave surface at the bottom, which causes bubble aggregation problem, easily leading to abnormal ultrasonic transmission and reception, affecting the efficiency and quality of ultrasonic nondestructive testing. SUMMARY
[0004] In view of the defects in the prior art, the utility model aims to provide an ultrasonic microscope cascade fixture, which can better adapt to smaller focal length ultrasonic probes by increasing the inner flow channel and the outer flow channel, stabilize the inlet water flow, and use the gas storage chamber and the capillary gas guide pipe to discharge the bubbles aggregated in the inner flow channel at the bottom of the probe, effectively improve the echo signal quality, reduce signal fluctuation, and improve the image quality of ultrasonic testing.
[0005] To achieve the above-mentioned purpose, according to one aspect of the utility model, an ultrasonic microscope cascade fixture is provided, comprising:
[0006] The fixture comprises an inner flow channel, at least one outer flow channel, a gas storage chamber, and a capillary gas guide pipe. The inner flow channel is arranged in the inner ring of the outer flow channel. The outer flow channel is used to divide the inlet water flow. The inner flow channel is used to collect the inlet water flow divided by the outer flow channel. One end of the gas storage chamber is connected with the inner flow channel, and the other end of the gas storage chamber is connected with the capillary gas guide pipe. The gas storage chamber and the capillary gas guide pipe are used to discharge the bubbles in the inner flow channel.
[0007] The probe is installed on the fixture, and the probe is used to emit and receive ultrasonic waves.
[0008] Optionally, each outer flow channel comprises two branches, each branch is in communication with the inner flow channel, the outer flow channel divides the inlet water flow through each branch, and the inner flow channel collects the inlet water flow divided by each branch.
[0009] Optionally, the clamp further comprises a water flow hole arranged on the side wall between the inner flow channel and each branch of the outer flow channel, the water flow hole is arranged symmetrically with the probe as the central axis, and each branch of the outer flow channel communicates with the inner flow channel through the water flow hole.
[0010] Optionally, the clamp further comprises a clamp body, the inner flow channel, the outer flow channel, the air storage chamber and the capillary air guide pipe are arranged inside the clamp body, and the probe is mounted at one end of the clamp body.
[0011] Optionally, a locking screw is further arranged on the side of the clamp body, and the locking screw is used for fixing the probe and the clamp body.
[0012] Optionally, the clamp further comprises a water inlet and a water outlet, at least one water inlet is arranged on the side of the clamp body, the water outlet is arranged at one end of the clamp body, the water inlet is used for inputting the inlet water flow, and the water outlet is used for discharging the inlet water flow.
[0013] Optionally, the water outlet communicates with the inner flow channel, and the inlet water flow collected by the inner flow channel is used for wrapping the probe and being discharged through the water outlet.
[0014] Optionally, an externally-threaded elbow is further arranged, one end of the externally-threaded elbow is connected with an external water source, the other end of the externally-threaded elbow is connected with the water inlet, and the externally-threaded elbow is used for connecting the external water source and the clamp.
[0015] Optionally, the air storage chamber is used for storing air bubbles in the inner flow channel.
[0016] Optionally, the capillary air guide pipe communicates with the outside through one end of the clamp body, and the capillary air guide pipe is used for discharging the air bubbles stored in the air storage chamber.
[0017] Compared with the prior art, the clamp has the beneficial effects as follows:
[0018] Through the above technical scheme, the inner flow channel and the outer flow channel are arranged, the inlet water flow is branched through the outer flow channel, the inlet water flow is collected through the inner flow channel, the smaller focal length type ultrasonic probe is effectively adapted, the water flow deflection problem caused by the size reduction of the water storage cup due to the smaller focal length is prevented, the water column is continuously hit on the surface of the measured object, ultrasonic nondestructive testing is realized, the air storage chamber and the capillary air guide pipe are further arranged, the air bubbles collected in the inner flow channel at the bottom of the probe are discharged, the echo signal quality is effectively improved, the signal fluctuation is reduced, and the image quality of ultrasonic detection is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof as read in conjunction with the accompanying drawings:
[0020] Figure 1 A whole structure schematic view of a waterfall type clamp of an ultrasonic microscope according to an exemplary embodiment of the present application.
[0021] Figure 2 A whole structure schematic view of a waterfall type clamp of an ultrasonic microscope according to an exemplary embodiment of the present application.
[0022] Figure 3 A partial structure schematic view of a waterfall type clamp of an ultrasonic microscope according to an exemplary embodiment of the present application.
[0023] Figure 4 A whole structure schematic view of another waterfall type clamp of an ultrasonic microscope according to an exemplary embodiment of the present application.
[0024] Figure 5 A whole structure schematic view of another waterfall type clamp of an ultrasonic microscope according to an exemplary embodiment of the present application.
[0025] Figure 6 A partial structure schematic view of another waterfall type clamp of an ultrasonic microscope according to an exemplary embodiment of the present application.
[0026] Reference numerals
[0027] 100 waterfall type clamp of an ultrasonic microscope with single water inlet
[0028] 110 clamp
[0029] 111 clamp body
[0030] 112 outer flow channel
[0031] 1121 branch path
[0032] 113 inner flow channel
[0033] 114 water flow hole
[0034] 115 gas storage chamber
[0035] 116 capillary gas guide tube
[0036] 117 water inlet
[0037] 118 water outlet
[0038] 119 gas guide hole
[0039] 120 probe
[0040] 130 externally threaded elbow
[0041] 140 check screw
[0042] 200 ultrasonic microscope waterfall type clamp with double-side water inlet DETAILED DESCRIPTION
[0043] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made. These all belong to the protection scope of the utility model.
[0044] Figure 1 The utility model provides a kind of overall structure schematic diagram of ultrasonic microscope waterfall type clamp for example embodiment of the utility model. Figure 2 The utility model provides a kind of overall structure schematic diagram of ultrasonic microscope waterfall type clamp for example embodiment of the utility model. Figure 3 The utility model provides a kind of partial structure schematic diagram of ultrasonic microscope waterfall type clamp for example embodiment of the utility model.
[0045] As shown in Figures 1 to 3 The utility model provides a kind of ultrasonic microscope waterfall type clamp, comprising: clamp 110 and probe 120.Probe 120 is installed on clamp 110.
[0046] Clamp 110 includes inner flow channel 113, at least one outer flow channel 112, gas storage chamber 115 and capillary gas guide pipe 116, inner flow channel 113 is arranged in the inner ring of outer flow channel 112, outer flow channel 112 is used to shunt inlet flow, inner flow channel 113 is used to gather the inlet flow shunted by outer flow channel 112, one end of gas storage chamber 115 is connected with inner flow channel 113, the other end of gas storage chamber 115 is connected with capillary gas guide pipe 116, gas storage chamber 115 and capillary gas guide pipe 116 are used to discharge the gas bubble in inner flow channel 113.
[0047] Probe 120 is installed on clamp 110, and probe 120 is used to emit and receive ultrasonic wave.
[0048] Through the above technical solution, an inner flow channel 113 and an outer flow channel 112 are set, the inlet water flow is diverted by the outer flow channel 112, and the inlet water flow is collected by the inner flow channel 113, which effectively adapts to the smaller focal length ultrasonic probe 120, prevents the water flow deflection problem caused by the reduction in size of the water storage cup due to the smaller focal length, and realizes the uninterrupted beating of the water column on the surface of the object to be tested for ultrasonic non-destructive testing. An air storage chamber 115 and a capillary air guide tube 116 are also provided to discharge bubbles gathered in the inner flow channel 113 at the bottom of the probe 120, effectively improving the echo signal quality, reducing signal fluctuations, and improving the image quality of ultrasonic testing.
[0049] In a possible embodiment, each outer flow channel 112 includes two branches 1121 , each branch 1121 is connected to the inner flow channel 113 , the outer flow channel 112 diverts the inlet water flow through each branch 1121 , and the inner flow channel collects the inlet water flow diverted by each branch 1121 .
[0050] The external water flow enters the outer flow channel 112 , is divided into two by two branches 1121 of the outer flow channel 112 , and the inlet water flow gathered by the inner flow channel 113 wraps around the probe 120 .
[0051] In a possible embodiment, the clamp 110 also includes a water flow hole 114, which is arranged on the side wall between the inner flow channel 113 and each branch 1121 of the outer flow channel 112. The water flow hole 114 is symmetrically arranged with the probe 120 as the center axis, and each branch 1121 of the outer flow channel 112 is connected to the inner flow channel 113 through the water flow hole 114.
[0052] The water flow holes 114 are symmetrically arranged with the probe 120 as the center axis, which can achieve a balanced counteraction effect and prevent the inlet water flow from being deflected.
[0053] In a possible embodiment, the clamp 110 further includes a clamp body 111 , an inner flow channel 113 , an outer flow channel 112 , an air storage chamber 115 , and a capillary air guide tube 116 are disposed inside the clamp body 111 , and the probe 120 is mounted at one end of the clamp body 111 .
[0054] The inner flow channel 113, the outer flow channel 112, and the air storage chamber 115 are all disposed inside the other end of the clamp body 111. The air storage chamber 115, the capillary air guide tube 116, and the water flow hole 114 are disposed so as not to interfere with each other.
[0055] In a possible embodiment, the air storage chamber 115 is used to store bubbles in the inner flow channel 113. The air storage chamber 115 gathers and stores bubbles accumulated in the inner flow channel 113 during the ultrasonic scanning process.
[0056] In a possible embodiment, the capillary air guide 116 is in communication with the outside through one end of the clamp body 111, and the capillary air guide 116 is used to discharge the gas bubbles stored in the gas storage.
[0057] The capillary air guide 116 extends from the other end of the clamp body 111 to the one end of the clamp body 111, and is in communication with the outside through the top surface of the one end of the clamp body 111 to form an air guide hole 119. The capillary air guide 116 has a large resistance to water flow and a small resistance to gas bubbles. Thus, the capillary air guide 116 can discharge the gas bubbles upward, and the water flow will not flow out through the capillary air guide 116, achieving gas bubble discharge, improving the echo signal quality of ultrasonic scanning, reducing signal fluctuation, and improving the image quality of ultrasonic detection.
[0058] In a possible embodiment, the ultrasonic microscope waterfall clamp can further include a locking screw 140 arranged on the side surface of the clamp body 111, and the locking screw is used to fix the probe 120 and the clamp body 111.
[0059] The probe 120 is inserted into the one end of the clamp body 111, and the locking screw 140 is inserted into the locking screw hole and tightly presses the inside of the clamp body 111 to fix the probe 120 and the clamp body 111, preventing the probe 120 from sliding.
[0060] In a possible embodiment, the clamp 110 can further include a water inlet 117 and a water outlet 118. The at least one water inlet 117 is arranged on the side surface of the clamp body 111, and the water outlet 118 is arranged on the one end of the clamp body 111. The water inlet 117 is used to input the inlet water flow, and the water outlet 118 is used to discharge the inlet water flow.
[0061] The at least one water inlet 117 is arranged on the side surface close to the other end of the clamp body 111, and the water outlet 118 is in communication with the inner flow channel 113. The inlet water flow collected by the inner flow channel 113 is used to wrap the probe 120 and is discharged through the water outlet 118.
[0062] In a possible embodiment, the ultrasonic microscope waterfall clamp can further include an externally threaded elbow 130. One end of the externally threaded elbow 130 is connected with an external water source, and the other end of the externally threaded elbow 130 is connected with the water inlet 117. The externally threaded elbow 130 is used to connect the external water source and the clamp 110.
[0063] The externally threaded elbow 130 is in an L shape.
[0064] As shown in FIG. 1, Figures 1 to 3 In a possible embodiment, the disclosure provides an ultrasonic microscope waterfall clamp with unilateral water inlet 100, which includes a clamp 110 and a probe 120.
[0065] The clamp 110 comprises a clamp body 111, an inner flow channel 113, an outer flow channel 112, two air reservoirs 115 and two capillary air guide tubes 116.
[0066] The probe 120 is mounted on one end of the clamp body 111, and the probe 120 is used for emitting and receiving ultrasonic waves. At least part of the probe 120 is inserted into the other end of the clamp body 111. The inner flow channel 113, the outer flow channel 112 and the two air reservoirs 115 are arranged inside the other end of the clamp body 111.
[0067] The outer flow channel 112 comprises two branches 1121. The inner flow channel 113 is arranged in the inner ring of the outer flow channel 112. The water flow holes 114 are arranged on the side wall between the inner flow channel 113 and each branch 1121 of the outer flow channel 112. The water flow holes 114 of the single-side water inlet ultrasonic microscope waterfall clamp 100 are arranged in a 180° symmetrical position on both sides of the probe 120 with the probe 120 as the central axis. The inner flow channel 113 and each branch 1121 of the outer flow channel 112 are connected through the water flow holes 114. The outer flow channel 112 is used for distributing the water flow of the water inlet 117. The inner flow channel 113 is used for collecting the water flow distributed by the outer flow channel 112. The water flow distributed by the two branches 1121 of the outer flow channel 112 is collected into the inner flow channel 113 through two water flow holes.
[0068] One end of each of the two capillary air guide tubes 116 is connected with the two air reservoirs 115 respectively. The two capillary air guide tubes 116 extend from the other end of the clamp body 111 to the one end of the clamp body 111. The other end of each of the two capillary air guide tubes 116 is connected with the top surface of the one end of the clamp body 111 to form two air guide holes 119, so as to realize the communication with the outside. The air reservoirs 115 and the capillary air guide tubes 116 are used for discharging the air bubbles in the inner flow channel 113.
[0069] In the embodiment, the two air reservoirs 115 and the two capillary air guide tubes 116 are arranged away from the water flow holes 114 and do not interfere with the water flow holes 114.
[0070] The clamp 110 of the embodiment further comprises a water inlet 117 and a water outlet 118. The water inlet 117 is arranged on the side surface close to the other end of the clamp body 111. The water inlet 117 is connected with the outer flow channel 112. The water inlet 117 is used for inputting the water flow. The water outlet 118 is arranged on the other end of the clamp body 111. The water outlet 118 is connected with the inner flow channel 113. The water outlet 118 is used for discharging the water flow.
[0071] The single-side water inlet ultrasonic microscope waterfall clamp 100 of the embodiment further comprises an L-shaped external thread elbow 130. One end of the external thread elbow 130 is connected with an external water source. The other end of the external thread elbow 130 is connected with the water inlet 117. The external thread elbow 130 is used for connecting the external water source and the clamp 110.
[0072] As an example, the single-side water inlet ultrasonic microscope waterfall clamp 100 passes the water flow of the external water source into the water inlet 117 through the external thread elbow 130, and flows into the outer flow channel 112 from the water inlet 117, is divided into two parts through two branches 1121 of the outer flow channel 112, is collected into the inner flow channel 113 through the water flow holes 114 arranged at the 180° symmetrical positions around the probe 120, realizes the balanced hedging effect, prevents the water flow from being skewed, and stabilizes the water flow. The inlet water flow collected into the inner flow channel 113 wraps the probe 120 on one side and flows out from the water outlet 118 on the other side. In the process of passing the water flow of the external water source, part of the gas is mixed into the inlet water flow and flows into the inner flow channel 113 together. The two gas storage chambers 115 can respectively collect the bubbles in the inner flow channel 113, and the two capillary gas guide pipes 116 can discharge the bubbles in the gas storage chamber 115, thereby improving the echo signal quality, reducing the signal fluctuation, and improving the ultrasonic detection image quality.
[0073] The single-side water inlet ultrasonic microscope waterfall clamp 100 of the embodiment further includes a locking screw hole and a locking screw 140. The locking screw hole is arranged on the side surface of the clamp body 111, and the locking screw 140 is used for inserting into the locking screw hole to fix the probe 120 and the clamp body 111, thereby preventing the probe 120 from sliding.
[0074] The single-side water inlet ultrasonic microscope waterfall clamp 100 of the embodiment can realize single-side quick plug connection, has a simple structure, is convenient to install, is suitable for a smaller focal length probe 120, prevents the water flow from being skewed and the bubbles from being gathered, and improves the image quality of ultrasonic nondestructive testing.
[0075] Figure 4 A schematic diagram of the overall structure of another ultrasonic microscope waterfall clamp provided by an exemplary embodiment of the present application is shown. Figure 5 A schematic diagram of the overall structure of another ultrasonic microscope waterfall clamp provided by an exemplary embodiment of the present application is shown. Figure 6 A schematic diagram of the partial structure of another ultrasonic microscope waterfall clamp provided by an exemplary embodiment of the present application is shown.
[0076] As Figures 4 to 6 shown, in a possible embodiment, the present disclosure provides a double-side water inlet ultrasonic microscope waterfall clamp 200, which includes a clamp 110 and a probe 120.
[0077] The clamp 110 includes a clamp body 111, one inner flow channel 113, two outer flow channels 112, two gas storage chambers 115, and two capillary gas guide pipes 116.
[0078] The probe 120 is mounted at one end of the clamping body 111, and the probe 120 is used for transmitting and receiving ultrasonic waves, at least part of the probe 120 is inserted into the inside of the one end of the clamping body 111, and one inner flow channel 113 and two outer flow channels 112 and two gas reservoirs 115 are arranged inside the other end of the clamping body 111.
[0079] The two outer flow channels 112 are symmetrically arranged with the probe 120 as the central axis, each outer flow channel 112 includes two branches 1121, the inner flow channel 113 is arranged in the inner ring of the outer flow channel 112, the four branches 1121 are arranged in a circular shape to wrap the inner flow channel 113, and the water flow holes 114 are arranged on the side walls between the inner flow channel 113 and each branch 1121 of the outer flow channel 112, the water flow holes 114 of the double-side water inlet ultrasonic microscope waterfall clamp 200 are arranged at positions spaced apart by 90° around the probe 120 with the probe 120 as the central axis, and the inner flow channel 113 and each branch 1121 of the outer flow channel 112 are connected through the four water flow holes 114. The outer flow channel 112 is used for distributing the water flow of the water inlet 117, and the inner flow channel 113 is used for collecting the water flow distributed by the outer flow channel 112, and the water flow distributed by the four branches 1121 of the outer flow channel 112 is collected into the inner flow channel 113 through the four water flow holes.
[0080] The two capillary gas guide pipes 116 are connected with the two gas reservoirs 115 at one end, respectively, and extend from the other end of the clamping body 111 to the one end of the clamping body 111, and the other ends of the two capillary gas guide pipes 116 are communicated with the top surface of the one end of the clamping body 111 to form two gas guide holes 119, so as to realize communication with the outside, and the gas reservoirs 115 and the capillary gas guide pipes 116 are used for discharging the gas bubbles in the inner flow channel 113.
[0081] In the embodiment, the two gas reservoirs 115 and the two capillary gas guide pipes 116 are arranged away from the water flow holes 114 and do not interfere with the water flow holes 114.
[0082] The clamp 110 of the embodiment further includes two water inlets 117 and one water outlet 118, the two water inlets 117 are arranged on the side surface close to the other end of the clamping body 111, and the two water inlets 117 are symmetrically arranged with the probe 120 as the central axis, the two water inlets 117 are communicated with the two outer flow channels 112, respectively, the two water inlets 117 are used for inputting the inlet water flow, and the water outlet 118 is arranged on the other end of the clamping body 111, the water outlet 118 is communicated with the inner flow channel 113, and the water outlet 118 is used for discharging the inlet water flow.
[0083] The double-side water inlet ultrasonic microscope waterfall clamp 200 of the embodiment further comprises two L-shaped external thread elbows 130, one end of the external thread elbow 130 is connected with the external water source, the other end of the external thread elbow 130 is connected with the water inlet 117, and the external thread elbow 130 is used for connecting the external water source and the clamp 110.
[0084] As an example, the double-side water inlet ultrasonic microscope waterfall clamp 200 passes the water flow of the external water source into the two water inlets 117 through the two external thread elbows 130 respectively, and the water flow is flowed into the two outer flow channels 112 from the two water inlets 117 respectively, is divided into two parts through the two branches 1121 of each outer flow channel 112, is gathered into the inner flow channel 113 through the four water flow holes 114 arranged at intervals of 90° around the probe 120, the balanced hedging effect is realized, the water flow is prevented from being deflected, and the water flow is stabilized. The inlet water flow gathered into the inner flow channel 113 wraps the probe 120 on one side, and flows out from the water outlet 118 on the other side, in the process of passing the water flow of the external water source, part of the gas is mixed into the water flow and flows into the inner flow channel 113 together, the two gas storage chambers 115 can gather the bubbles in the inner flow channel 113 respectively, and the bubbles in the gas storage chamber 115 are discharged through the two capillary gas guide pipes 116, the echo signal quality is improved, the signal fluctuation is reduced, and the ultrasonic detection image quality is improved.
[0085] The double-side water inlet ultrasonic microscope waterfall clamp 200 of the embodiment further comprises a loosening screw hole and a loosening screw 140, the loosening screw hole is arranged on the side surface of the clamp body 111, and the loosening screw 140 is used for being inserted into the loosening screw hole to fix the probe 120 and the clamp body 111, so that the probe 120 is prevented from sliding.
[0086] The double-side water inlet ultrasonic microscope waterfall clamp 200 of the embodiment can be adapted to a smaller focal length probe 120, the water flow is prevented from being deflected and the bubbles are prevented from being gathered, and the image quality of ultrasonic nondestructive testing is improved.
[0087] The specific embodiments of the utility model are described above. It should be understood that the utility model is not limited to the above specific embodiments, and various modifications or changes can be made by those skilled in the art within the scope of claims, which does not affect the essential content of the utility model.
Claims
1. An ultrasonic microscope waterfall fixture, characterized in that: include: A fixture comprising an inner flow channel, at least one outer flow channel, an air storage chamber, and a capillary air guide tube, wherein the inner flow channel is arranged on the inner ring of the outer flow channel, the outer flow channel is used to divert the inlet water flow, and the inner flow channel is used to collect the inlet water flow diverted by the outer flow channel, one end of the air storage chamber is connected to the inner flow channel, and the other end of the air storage chamber is connected to the capillary air guide tube, and the air storage chamber and the capillary air guide tube are used to discharge bubbles in the inner flow channel; A probe is mounted on the fixture and is used to transmit and receive ultrasonic waves.
2. The ultrasonic microscope waterfall fixture according to claim 1, characterized in that: Each of the outer flow channels includes two branches, each of the branches is connected to the inner flow channel, the outer flow channel diverts the inlet water flow through each of the branches, and the inner flow channel collects the inlet water flow diverted by each of the branches.
3. The ultrasonic microscope waterfall fixture according to claim 2, characterized in that: The fixture also includes a water flow hole, which is arranged on the side wall between the inner flow channel and each branch of the outer flow channel. The water flow hole is symmetrically arranged with the probe as the center axis, and each branch of the outer flow channel is connected to the inner flow channel through the water flow hole.
4. The waterfall fixture for ultrasonic microscope according to claim 1, characterized in that: The fixture further includes a clamp body, the inner flow channel, the outer flow channel, the air storage chamber, and the capillary air guide tube are arranged inside the clamp body, and the probe is installed at one end of the clamp body.
5. The ultrasonic microscope waterfall fixture according to claim 4, characterized in that: It also includes an anti-loosening screw, which is arranged on the side of the clamp body and is used to fix the probe and the clamp body.
6. The waterfall fixture for ultrasonic microscope according to claim 4, characterized in that: The clamp further includes a water inlet and a water outlet, at least one of the water inlet is arranged on the side of the clamp body, and the water outlet is arranged at one end of the clamp body. The water inlet is used to input inlet water flow, and the water outlet is used to discharge inlet water flow.
7. The waterfall fixture for ultrasonic microscope according to claim 6, characterized in that: The water outlet is in communication with the inner flow channel, and the inlet water flow collected by the inner flow channel is used to wrap the probe and be discharged through the water outlet.
8. The waterfall fixture for ultrasonic microscope according to claim 6, characterized in that: It also includes an externally threaded elbow, one end of which is connected to an external water source, and the other end of which is connected to the water inlet, and the externally threaded elbow is used to connect the external water source and the clamp.
9. The waterfall fixture for ultrasonic microscope according to claim 1, characterized in that: The air storage chamber is used to store bubbles in the inner flow channel.
10. The waterfall fixture for ultrasonic microscope according to claim 9, characterized in that: The capillary air guide tube is connected to the outside world through one end of the clamp body, and the capillary air guide tube is used to discharge bubbles stored in the gas storage.