Shock wave energy density testing equipment and method

By using a limiting mechanism and a detection mechanism in the shock wave energy density testing device, the movement distance of the mass block is obtained and the energy density is calculated, which solves the error problem caused by friction and collision and realizes high-precision automatic data collection and analysis.

CN113834593BActive Publication Date: 2025-09-09SHENZHEN LIFOTRONIC TECH

Patent Information

Application Number
CN202111275478.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-10-29
Publication Date
2025-09-09
Estimated Expiration
2041-10-29

AI Technical Summary

Technical Problem

Existing shock wave energy density testing devices have errors caused by friction and collision during the test process, and manual observation methods lead to even greater errors, affecting the accuracy of the test results.

Method used

By adopting the limiting mechanism and the detection mechanism, through the sliding connection between the support and the mass block, the detector is used to obtain the moving distance of the mass block, and the shock wave energy density is calculated through the operation module to avoid friction and collision errors and realize automatic data collection and analysis.

Benefits of technology

It improves the accuracy of shock wave energy density testing, reduces errors caused by friction and collision, realizes automated data collection and analysis, and improves the accuracy of test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a shock wave energy density testing device and method. A shock wave energy density testing device includes a limiting mechanism, a driver, and a detection mechanism. The limiting mechanism includes a support member and a mass block slidably connected to the support member; the driver can hit the mass block to make the mass block move along the length direction of the support member; the detection mechanism is used to obtain the moving distance D of the mass block on the support member, and is used to send the data of the moving distance D to the calculation module so that the calculation module can calculate the shock wave energy density borne by the mass block. The above-mentioned shock wave energy density testing device is conducive to improving the accuracy of the test results, avoiding the errors that may be caused by manual visual inspection and calculation, further improving the accuracy of the test results, and realizing automatic data collection and analysis.
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Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a shock wave energy density testing device and method. Background Art

[0002] Medical devices are equipment used directly or indirectly for diagnosis and testing of the human body, primarily for the diagnosis, prevention, monitoring, treatment, or relief of disease. Extracorporeal shock wave devices are used to treat pain in human tissue. However, if the shock wave energy density does not meet the standard, the shock wave will not achieve its therapeutic effect. Therefore, before the device is shipped, the manufacturer must test whether the shock wave energy density of the extracorporeal shock wave device meets the standard.

[0003] Existing shock wave energy density testing devices primarily use an extracorporeal shock wave pistol at the bottom of a transparent tube when conducting in vitro shock wave energy density tests. Once the pistol is fired, the impact of the bullet acts on the center of gravity of a weight, causing it to move upward along the inside of the tube. The distance traveled is measured using a scale mounted on the tube. As the weight moves within the tube, collision and friction with the inner wall are unavoidable, leading to significant errors in the test results. Furthermore, visual observation can lead to even greater errors. Summary of the Invention

[0004] Based on this, it is necessary for the present invention to provide a shock wave energy testing device and method to improve the accuracy of the detection results in the energy density test.

[0005] A shock wave energy density testing device includes a limiting mechanism and a detection mechanism. The limiting mechanism includes a support member and a mass block slidably connected to the support member, and the mass block can move along the length direction of the support member when struck by a driver; the detection mechanism is used to obtain the movement distance D of the mass block on the support member, and to send data on the movement distance D to a calculation module so that the calculation module calculates the shock wave energy density to which the mass block is subjected.

[0006] The shock wave energy density test equipment described above utilizes a sliding connection between a mass block and a support member. The mass block can be moved along the length of the support member when struck by a driver. The friction generated by the mass block's movement on the support member can be accurately predicted and calculated, preventing unpredictable friction and collisions during movement. This reduces potential errors during testing and improves the accuracy of test results. Furthermore, a detection mechanism is used to obtain the distance D traveled by the mass block on the support member. This effective distance D is then transmitted to a calculation module to calculate the shock wave energy density experienced by the mass block. This avoids potential errors associated with manual visual inspection and calculation, further improving the accuracy of test results and enabling automated data collection and analysis.

[0007] In one embodiment, a guide rail is provided on the support member, and the mass block is slidably connected to the guide rail and can slide along the extension direction of the guide rail.

[0008] In one embodiment, the mass block includes a slider and a striking block, the slider is slidably connected to the support member, and the striking block is fixedly connected to the slider. The striking block can drive the slider to move along the length direction of the support member under the impact of the driver.

[0009] In one embodiment, a base is further included, and the base is connected to the support member.

[0010] In one embodiment, it further includes a level and an adjusting member, wherein the level is installed on the base, and the adjusting member can adjust the levelness of the base according to the level.

[0011] In one embodiment, the detection mechanism includes a detector and a positioning member. The detector is fixedly connected to an end of the support member away from the base through the positioning member, and the detector can obtain the movement distance of the mass block.

[0012] In one embodiment, the detector is an ultrasonic rangefinder.

[0013] In one embodiment, the device further comprises a display electrically connected to the detection mechanism to display the maximum value of the moving distance D obtained by the detection mechanism; and / or,

[0014] The display is used to be electrically connected to the calculation module to display the shock wave energy density calculated by the calculation module.

[0015] In one embodiment, a clamping member is further included, and the driver can be connected to the support member through the clamping member.

[0016] A shock wave energy density testing method is applicable to the shock wave energy density testing device mentioned above, comprising the following steps: installing the driver on the shock wave energy density testing device and arranging the output end of the driver toward the support member; starting the driver to strike the mass block, driving the mass block to move toward the extreme position along the length direction of the support member; controlling the detection mechanism to detect the mass block at preset time intervals to obtain the movement distance D of the mass block on the support member; and calculating the shock wave energy density to which the mass block is subjected based on the obtained movement distance D.

[0017] The shock wave energy density testing method described above involves sliding a mass block onto a support member and using a driver to strike the mass block, causing it to move along the length of the support member. This method accurately predicts and calculates the friction generated by the mass block as it moves on the support member, preventing unpredictable friction and collisions during movement. This reduces potential errors during the test and improves the accuracy of the test results. Furthermore, a detection mechanism is used to obtain the distance D traveled by the mass block on the support member, and this effective distance D is transmitted to a calculation module to calculate the shock wave energy density experienced by the mass block. This avoids potential errors associated with manual visual inspection and calculation, further improving the accuracy of the test results and enabling automated data collection and analysis.

[0018] In one embodiment, the step of calculating the shock wave energy density to which the mass block is subjected based on the obtained movement distance D includes: sorting the obtained movement distances D, obtaining the maximum value of the movement distances D, and calculating the shock wave energy density to which the mass block is subjected based on the maximum value of the movement distances D.

[0019] In one embodiment, the step of calculating the shock wave energy density borne by the mass block based on the obtained movement distance D includes: correcting the friction force between the mass block and the support member based on the movement distance D to calculate the shock wave energy density borne by the mass block.

[0020] In one embodiment, when the support member is in a vertical state, the formula for calculating the energy density of the shock wave borne by the mass block is:

[0021] Where En is the energy density of the shock wave; m is the mass of the mass block; g is the acceleration due to gravity, h is the height of the mass block on the support; μ is the friction coefficient between the mass block and the support; S is the area of ​​the impact surface of the driver hitting the mass block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a front view of a shock wave energy density testing device according to one embodiment;

[0023] Figure 2 is a side view of a shock wave energy density testing device according to one embodiment;

[0024] Figure 3 A top view of a shock wave energy density testing device according to one embodiment.

[0025] Description of reference numerals:

[0026] 10. Shock wave energy density test equipment; 100. Limiting mechanism; 110. Support member; 111. Guide rail; 120. Mass block; 121. Slider; 122. Striking block; 20. Driver; 300. Detection mechanism; 310. Detector; 320. Positioning member; 400. Base; 500. Level; 600. Adjustment member; 700. Display; 800. Clamping member. DETAILED DESCRIPTION

[0027] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] See also Figure 1 A shock wave energy density tester 10 can be used to measure the shock wave energy density of a driver 20. Driver 20 can be, for example, a shock wave therapy device. Specifically, the shock wave therapy device is a pneumatic ballistic shock wave therapy device. The shock wave energy density tester 20 can measure the shock wave energy density of the treatment handle of the pneumatic ballistic shock wave therapy device. It is understood that driver 20 is not limited to a shock wave therapy device and can also be other devices requiring shock wave energy density measurement.

[0029] The shock wave energy density tester 10 includes a limiting mechanism 100 and a detection mechanism 300. The limiting mechanism 100 includes a support member 110 and a mass 120 slidably connected to the support member 110. The mass 120 is capable of moving along the length of the support member 110 when struck by a driver 20. The detection mechanism 300 is used to obtain the distance D traveled by the mass 120 on the support member 110 and to transmit the data on the travel distance D to a calculation module (not shown) so that the calculation module can calculate the shock wave energy density experienced by the mass 120.

[0030] The shock wave energy density testing device 10 described above slidably connects a mass 120 to a support member 110. Mass 120 can move along the length of support member 110 when struck by a driver 20. The device can accurately predict and calculate the friction generated by mass 120 as it moves on support member 110, thereby preventing unpredictable friction and collisions during the movement of mass 120. This reduces potential errors during the test and helps improve the accuracy of the test results. Furthermore, a detection mechanism 300 is used to obtain the distance D traveled by mass 120 on support member 110, and the effective distance D is transmitted to a calculation module to calculate the shock wave energy density experienced by mass 120. This avoids potential errors from manual visual inspection and calculation, further improving the accuracy of the test results.

[0031] It should be noted that the support member 110 can be a straight rod or a curved rod. When the support member 110 is a straight rod, it is easy to calculate the energy lost by friction when the mass block 120 moves any distance on the support member 110 through simple force analysis, so as to calculate the shock wave energy density. When the support member 110 is a curved rod, as long as the shape, placement position, and placement angle of the support member 110 are determined, the energy lost by friction when the mass block 120 moves any distance on the support member 110 can be calculated through multiple measurements and other methods, and the energy can be recorded to calculate the shock wave energy density.

[0032] Specifically, when the support member 110 is a straight rod and the support member 110 is perpendicular to the horizontal plane, it becomes more convenient to calculate the energy density of the shock wave borne by the mass block 120 .

[0033] It should also be noted that, in order to facilitate understanding of the moving distance D, Figure 1 For example, the moving distance of the mass block 120 on the support member 110 is the distance indicated by the arrow D.

[0034] In one embodiment, see Figure 1 and Figure 3 The shock wave energy density test device 10 further includes a base 400 connected to the support member 110. The extended surface of the base 400 (eg Figure 3 As shown, the plane indicated by the arrow T is parallel to the horizontal plane. The base 400 is perpendicular to the length of the support member 110. Therefore, it can be seen that the support member 110, which is perpendicular to the base 400, is also perpendicular to the horizontal plane. This allows us to calculate the distance traveled by the mass block 120 on the support member 110 after being struck (also the vertical distance traveled), as well as the energy lost due to friction between the mass block 120 and the support member 110. The energy density of the shock wave experienced by the mass block 120 can then be calculated using the relevant calculation formula.

[0035] It should be noted that if Figure 1 The extending direction of the support member 110 is any direction indicated by the arrow A.

[0036] It should also be noted that when the support member 110 is perpendicular to the horizontal plane, the calculation formula for the energy density of the shock wave borne by the mass block 120 is: En is the shock wave energy density, E is the shock wave energy experienced by mass block 120, and S is the area of ​​the impact surface of driver 20 striking mass block 120. The shock wave energy E experienced by mass block 120 is calculated as follows: E = mgh + μmgh; m is the mass of mass block 120; g is the acceleration due to gravity; h is the height traveled by mass block 120 on support member 110 (i.e., travel distance D); and μ is the friction coefficient between mass block 120 and support member 110.

[0037] Specifically, when the driver 20 is a shock wave therapy device, S is the surface area of ​​the shock wave therapy device's impact head, and the calculation formula of S is: π is the ratio of circumference to diameter, and d is the diameter of the treatment head.

[0038] In one embodiment, see Figure 3 The shock wave energy density test device 10 further includes a level 500 and an adjustment member 600. The level 500 is mounted on the base 400. The adjustment member 600 can adjust the level of the base 400 according to the level 500. As can be seen, the operator can accurately adjust the level of the base 400 based on the level displayed on the level 500, thereby eliminating device tilt errors and further improving the accuracy of the test results.

[0039] It should be noted that the positional relationship between the level 500 and the base 400 should be such that when the level 500 indicates a horizontal state, the base 400 is also in a horizontal state.

[0040] Further, see Figure 3 The base 400 is provided with a mounting portion (not shown). The level 500 is at least partially embedded in the mounting portion. This ensures that the level 500 will not fall off the base 400 during adjustment of the base 400, thereby improving the efficiency and accuracy of adjusting the level of the base 400.

[0041] It should be noted that the mounting portion can be integrally formed with the base 400. In this case, the mounting portion can be a through-hole formed in the base 400, the shape of which is compatible with the level 500, so that the level 500 can be stably embedded in the mounting portion, thereby ensuring a stable connection between the level 500 and the base 400. Of course, the mounting portion can also be any connecting structure that can stably connect the level 500 and the base 400.

[0042] It is also understandable that the adjusting member 600 can be a component such as an adjusting screw, an adjusting block, etc. that can adjust the position of the base 400. At the same time, the number of the adjusting member 600 can be one, two, or more.

[0043] Specifically, see Figure 3 , the adjusting member 600 is an adjusting stud. There are four adjusting members 600. The base 400 is square. Mounting screw holes (not shown) are respectively provided at the four corners of the base 400. The four adjusting members 600 are respectively screwed into the four mounting screw holes. Therefore, it can be seen that the levelness of the base 400 can be adjusted by adjusting the height of the adjusting studs located in the four mounting screw holes of the base 400, thereby improving the efficiency of adjusting the levelness of the base 400.

[0044] In one embodiment, see Figure 1 The detection mechanism 300 includes a detector 310 and a positioning member 320 fixedly connected to the detector 310. The positioning member 320 is fixedly connected to the end of the support member 110 away from the base 400. The detector 310 can obtain the movement distance of the mass block 120.

[0045] It can be seen from this that the position of the detector 310 is fixed, which can ensure that the detector 310 obtains the moving distance D of the mass block 120 when the mass block 120 slides along the support member 110.

[0046] It can be understood that the method for measuring the moving distance D of the mass block 120 can be, but is not limited to: directly measuring the distance between the mass block 120 at the initial position and when it moves to the highest point position to obtain the moving distance D of the mass block 120; or measuring the distance between the mass block 120 and the detector 310 when it is at the initial position, and the distance between the mass block 120 and the detector 310 when it moves to the highest point position, and then subtracting the difference (positive number) obtained from these two distances to obtain the moving distance D of the mass block 120.

[0047] It should be noted that the above-mentioned initial position is the position of the mass block 120 on the support member 110 when it is hit by the driver 20; the above-mentioned high point position is the position of the mass block 120 on the support member 110 when it moves to the highest point (speed position 0) along the length direction of the support member 110 after being hit by the driver 20.

[0048] Further, see Figure 1 and Figure 2 The detector 310 may be, but is not limited to, an ultrasonic rangefinder, an infrared rangefinder, or other instruments capable of measuring distance.

[0049] Specifically, the detector 310 is an ultrasonic rangefinder.

[0050] In one embodiment, see Figure 1 and Figure 2 The shock wave energy density test device 10 further includes a display 700. The display 700 is electrically connected to the detection mechanism 300 to display the maximum value of the movement distance D obtained by the detection mechanism 300. It is understood that the display 700 can intuitively display the maximum value of the movement distance D obtained by the detection mechanism 300 to facilitate observation and recording by the tester.

[0051] Furthermore, the detection mechanism 300 is electrically connected to a calculation module (not shown). The calculation module stores a calculation method for shock wave energy density, sorts the movement distances D obtained by the detection mechanism 300, and enters the maximum movement distance D into the calculation method to obtain the value of the shock wave energy density.

[0052] In one embodiment, see Figure 1 and Figure 2 The display 700 is electrically connected to the calculation module to display the shock wave energy density calculated by the calculation module. Therefore, the display 700 directly displays the calculated shock wave energy density in the form of a numerical value on the display 700.

[0053] It should be noted that the display 700 is not limited to the parameters mentioned above, and can also display other parameters, such as shock wave energy (E).

[0054] In one embodiment, see Figure 1 and Figure 2 The mass 120 includes a slider 121 and a striking block 122. The slider 121 is slidably connected to the support member 110. The striking block 122 is fixedly connected to the slider 121 and can slide relative to the support member 110 along with the slider 121. When struck by the driver 20, the striking block 122 can move along the length of the support member 110 with the slider 121.

[0055] It can be seen from this that the striking block 122 is slidably connected to the support member 110 through the slider 121, so that the slider 121 is not in direct contact with the driver 20, which can better protect the slider 121 and increase the service life of the slider 121.

[0056] Furthermore, the striking block 122 is detachably connected to the slider 121. Therefore, the striking block 122 can be made of impact-resistant, low-cost materials, thereby reducing the manufacturing cost of the device. Furthermore, after multiple tests, the striking block 122 or the slider 121 can be replaced as needed, reducing maintenance costs.

[0057] It can be understood that a guide rail 111 can be installed on the support member 110. The guide rail 111 is slidably adapted to the slider 121. When the driver 20 hits the striking block 122, the striking block 122 drives the slider 121 to move along the length direction of the guide rail 111. When the extension surface of the base 400 is horizontal and the support member 110 is perpendicular to the base 400, the striking block 122 can drive the slider 121 to move in the vertical direction of the guide rail 111 under the impact of the driver 20. It can be seen that through the cooperation of the guide rail 111 and the slider 121, the friction generated during the movement of the mass block 120 can be further reduced and the error caused by the additional friction can be reduced. In this case, μ in the shock wave energy calculation formula is the friction coefficient between the guide rail 111 and the slider 121.

[0058] Specifically, in this embodiment, the guide rail 111 is a linear guide rail.

[0059] In one embodiment, see Figure 1 The shock wave energy density testing device 10 further includes a clamping member 800. The clamping member 800 is connected to the support member 110. The clamping member 800 is used to clamp the driver 20. The mass block 120 is located between the detection mechanism 300 and the driver 20 and reciprocates between the detection mechanism 300 and the driver 20.

[0060] It can be seen from this that after the mass block 120 is struck by the driver 20 , there is a sufficient distance between the detection mechanism 300 and the driver 20 for the mass block 120 to slide.

[0061] See also Figure 1 and Figure 2 A shock wave energy density testing method is applicable to the shock wave energy density testing device 10 described above. The shock wave energy density testing method comprises the following steps: installing the driver 20 on the shock wave energy density testing device 10, and setting the output end of the driver 20 toward the support 110; starting the driver 20 to strike the mass block 120; driving the mass block 120 to move toward the extreme position along the length direction of the support 110; controlling the detection mechanism 300 to detect the mass block 120 at preset time intervals to obtain the movement distance D of the mass block 120 on the support 110; and calculating the shock wave energy density to which the mass block 120 is subjected based on the obtained movement distance D. When powered on, the driver 20 strikes the mass block 120 at a certain frequency, causing it to move along the length direction of the support 110.

[0062] In this embodiment, the driver 20 strikes the mass 120 at a frequency of 1 Hz. At this time, the impact energy of the driver 20 on the mass 120 is the largest.

[0063] It should be noted that the above-mentioned limit position is the position of the mass block 120 on the support member 110 when it moves to the highest point (speed is 0) along the length direction of the support member 110 after being struck by the driver 20 .

[0064] It should also be noted that the aforementioned "preset time" is sufficient to ensure that the highest height can be detected within 300 ms. In this embodiment, the "preset time" is 5 ms. That is, the detection mechanism 300 detects the position of the mass 120 every 5 ms to improve detection accuracy.

[0065] In one embodiment, see Figure 1 The step of calculating the shock wave energy density borne by the mass block 120 based on the obtained moving distance D includes: sorting the obtained moving distances D, obtaining the maximum value of the moving distances D, and calculating the shock wave energy density borne by the mass block 120 based on the maximum value of the moving distance D.

[0066] Further, see Figure 1 The step of calculating the shock wave energy density borne by the mass block 120 according to the obtained moving distance D includes: correcting the friction between the mass block 120 and the support member 110 according to the moving distance D to calculate the shock wave energy density borne by the mass block 120.

[0067] In one embodiment, when the support member 110 is in a vertical state, the formula for calculating the energy density of the shock wave borne by the mass block 120 is: En is the shock wave energy density, E is the shock wave energy experienced by mass block 120, and S is the area of ​​the impact surface of the driver impacting mass block 120. The shock wave energy E experienced by mass block 120 is calculated as follows: E = mgh + μmgh, where m is the mass of mass block 120, g is the acceleration due to gravity, h is the height traveled by mass block 120 on the support, and μ is the friction coefficient between mass block 120 and support member 110.

[0068] Specifically, when the driver 20 is a shock wave therapy device, S is the surface area of ​​the shock wave therapy device's impact head, and the calculation formula of S is: π is the ratio of circumference to diameter, and d is the diameter of the treatment head.

[0069] It should be noted that, if the support member 110 and the mass block 120 are slidably adapted via the guide rail 111 and the slider 121 , μ in the shock wave energy calculation formula is the friction coefficient between the guide rail 111 and the slider 121 .

[0070] It can be seen that the above-mentioned shock wave energy density testing method slides the mass block 120 onto the support member 110, and the driver 20 strikes the mass block 120, causing the mass block 120 to move along the length direction of the support member 110. This method can accurately predict and calculate the friction generated by the mass block 120 when moving on the support member 110, thereby preventing the mass block 120 from generating unpredictable friction and collisions during movement, thereby reducing errors that may occur during the test process and facilitating the improvement of the accuracy of the test results. In addition, the detection mechanism 300 is used to obtain the movement distance D of the mass block 120 on the support member 110, and the effective movement distance D is sent to the calculation module. The calculation module corrects the friction between the mass block 120 and the support member 110 based on the movement distance D to calculate the shock wave energy density to which the mass block 120 is subjected, thereby avoiding the errors that may be generated by manual visual inspection and calculation, further improving the accuracy of the test results, and realizing automated data collection and analysis.

[0071] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0072] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0073] In the present invention, unless otherwise expressly specified or limited, terms such as "connected," "connect," "fixed," and "matched" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise expressly specified or limited. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0074] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0075] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0076] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0077] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A shock wave energy density testing device, characterized in that: include: a limiting mechanism, the limiting mechanism comprising a support member and a mass block slidably connected to the support member, the mass block being capable of moving along the length direction of the support member under the impact of the driver; a detection mechanism, the detection mechanism being used to obtain a movement distance D of the mass block on the support member, and to send data of the movement distance D to a calculation module so that the calculation module calculates the shock wave energy density to which the mass block is subjected; as well as, A calculation module is electrically connected to the detection mechanism, and is used to calculate the energy density of the shock wave borne by the mass block when the support member is in a vertical state. The formula for calculating the energy density of the shock wave borne by the mass block is: Where En is the energy density of the shock wave; m is the mass of the mass block; g is the acceleration due to gravity, h is the height of the mass block on the support; μ is the friction coefficient between the mass block and the support; S is the area of ​​the impact surface of the driver hitting the mass block.

2. The shock wave energy density testing device according to claim 1, characterized in that: A guide rail is provided on the support member, and the mass block is slidably connected to the guide rail and can slide along the extension direction of the guide rail.

3. The shock wave energy density testing equipment according to claim 1, characterized in that: The mass block includes a slider and a striking block. The slider is slidably connected to the support member. The striking block is fixedly connected to the slider. The striking block can drive the slider to move along the length direction of the support member under the impact of the driver.

4. The shock wave energy density testing device according to claim 1, characterized in that: It also includes a base, which is connected to the support member.

5. The shock wave energy density testing equipment according to claim 4, characterized in that: It also includes a level and an adjusting member, wherein the level is installed on the base, and the adjusting member can adjust the levelness of the base according to the level.

6. The shock wave energy density testing equipment according to claim 4, characterized in that: The detection mechanism includes a detector and a positioning member. The detector is fixedly connected to an end of the support member away from the base through the positioning member. The detector can obtain the moving distance of the mass block.

7. The shock wave energy density testing device according to claim 6, characterized in that: The detector is an ultrasonic rangefinder.

8. The shock wave energy density testing device according to claim 1, characterized in that: The device further includes a display electrically connected to the detection mechanism to display the maximum value of the moving distance D obtained by the detection mechanism.

9. The shock wave energy density testing device according to claim 8, characterized in that: The display is used to be electrically connected to the calculation module to display the shock wave energy density calculated by the calculation module.

10. The shock wave energy density testing device according to any one of claims 1 to 9, characterized in that: A clamping member is also included, and the driver can be connected to the support member through the clamping member.

11. A shock wave energy density testing method, applicable to the shock wave energy density testing device according to any one of claims 1 to 10, characterized in that: The following steps are involved: Installing the driver on the shock wave energy density testing device, and arranging the output end of the driver toward the support member; Starting the driver to strike the mass block, driving the mass block to move toward the extreme position along the length direction of the support member; Controlling the detection mechanism to detect the mass block at predetermined intervals to obtain a moving distance D of the mass block on the support member; The energy density of the shock wave borne by the mass block is calculated based on the obtained moving distance D. When the support member is in a vertical state, the formula for calculating the energy density of the shock wave borne by the mass block is: Where En is the energy density of the shock wave; m is the mass of the mass block; g is the acceleration due to gravity, h is the height of the mass block on the support; μ is the friction coefficient between the mass block and the support; S is the area of ​​the impact surface of the driver hitting the mass block.

12. The shock wave energy density testing method according to claim 11, characterized in that: The step of calculating the energy density of the shock wave borne by the mass block according to the obtained moving distance D comprises: The obtained moving distances D are sorted to obtain a maximum value of the moving distances D, and the energy density of the shock wave borne by the mass block is calculated based on the maximum value of the moving distances D.

13. The shock wave energy density testing method according to claim 11, characterized in that: The step of calculating the shock wave energy density borne by the mass block according to the obtained moving distance D includes: correcting the friction between the mass block and the support member according to the moving distance D to calculate the shock wave energy density borne by the mass block.

Citation Information

Patent Citations

  • Test equipment and method for detecting extracorporeal shock wave energy density

    CN109668666A

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