A circular opening container volumetric measurement device and method

Abstract

The application relates to a kind of circular opening container volume measuring devices and methods, including U-shaped frame, controller and touch display screen, the top of the U-shaped frame is equipped with inclination sensor, distance sensor is installed on the front side of the U-shaped frame, opposite sides in the U-shaped frame are equipped with pressure roller and in-wheel motor respectively, the pressure roller is installed on the side wall of the U-shaped frame by adjusting mechanism, and first encoder is connected on the pressure roller, second encoder is installed on the in-wheel motor, the controller and touch display screen are all installed on the U-shaped frame, the U-shaped frame is electrically connected with first encoder, second encoder, in-wheel motor, inclination sensor, distance sensor and touch display screen respectively. Effectively solve the problems of inconvenient operation, poor operation safety, low measurement efficiency and poor measurement accuracy when measuring the volume of the container in the prior art.

Description

Technical Field

[0001] This invention belongs to the field of volume measurement technology, and specifically relates to a device and method for measuring the volume of a circular open container. Background Technology

[0002] Nuclear power plants commonly use various large open containers to store oil and water, such as floating roof tanks and pools. Circular structures are the most prevalent, as they effectively utilize storage space. However, after the containers are purchased or constructed, their volume needs to be inspected to determine if their rated capacity meets design requirements. Currently, existing volume measurement methods primarily require two people using a measuring tape. To measure the container's inner diameter, two people must climb to opposite sides of the top of the container and horizontally pull the measuring tape across the top. The position must be constantly adjusted during measurement. To measure the container's height, one person climbs to the top while another stands at the bottom, vertically pulling the measuring tape to measure the height. The container volume is then calculated from the inner diameter and height. However, this method is inconvenient, inefficient, inaccurate, and unsafe. Therefore, there is an urgent need for a measuring device and method to quickly and automatically measure container volume, aiming to reduce manual labor and improve operational safety. Summary of the Invention

[0003] This invention provides a device and method for measuring the volume of a circular open container, which can quickly and automatically measure the volume of the container, aiming to free up manual labor and improve operational safety.

[0004] The technical solution adopted in this invention:

[0005] A circular open container volume measuring device includes a U-shaped frame, a controller, and a touch screen. An angle sensor is mounted on the top of the U-shaped frame, and a distance sensor is mounted on the front side of the U-shaped frame. A pressure roller and a hub motor are respectively mounted on opposite sides inside the U-shaped frame. The pressure roller is mounted on the side wall of the U-shaped frame via an adjustment mechanism, and a first encoder is connected to the pressure roller. A second encoder is mounted on the hub motor. The controller and touch screen are both mounted on the U-shaped frame, and the U-shaped frame is electrically connected to the first encoder, the second encoder, the hub motor, the angle sensor, the distance sensor, and the touch screen.

[0006] Furthermore, the adjustment mechanism includes a slide groove on the inner wall of the U-shaped frame, a bolt rotatably passing through the side wall of the slide groove, an internal thread sleeve threaded on the bolt, the internal thread sleeve slidingly disposed in the slide groove, the internal thread sleeve extending to the outside of the slide groove and having a wheel frame, a wheel axle rotatably disposed on the wheel frame, the pressure wheel being mounted on the wheel axle, and the first encoder being mounted on the wheel frame and connected to the wheel axle.

[0007] Furthermore, the U-shaped frame has an opening on one side relative to the pressure wheel, the hub motor has an outer wheel, and the hub motor has journals on both sides, with the two journals respectively fixedly installed on both sides of the opening.

[0008] Furthermore, multiple rolling balls are movably embedded in the top of the U-shaped frame.

[0009] Furthermore, a bracket is provided on the front side of the U-shaped frame, and the distance sensor is mounted on the bracket.

[0010] A method for measuring the volume of a circular open container, characterized by comprising the following steps:

[0011] S1. Clamp the clamping wheel and the outer wheel on the top of the container side wall. Drive the wheel hub motor to drive the clamping wheel and the outer wheel to roll synchronously on the top of the container side wall. Input the container wall thickness D through the touch screen.

[0012] S2. Use the second encoder to obtain the outer wheel speed V1, use the first encoder to obtain the clamping wheel speed V2, use the distance sensor to obtain the measurement depth K from the top to the bottom of the container, and use the tilt sensor to obtain the tilt angle Q.

[0013] S3. Calculate the inner wall radius R of the container based on the outer wheel speed V1, the clamping wheel speed V2, and the wall thickness D;

[0014] S4. When the tilt angle Q is determined to be positive, the actual depth H is calculated based on the tilt angle Q, the cantilever length L, and the measured depth K.

[0015] When the compensation tilt angle Q is determined to be negative, the actual depth J is calculated based on the tilt angle Q, the cantilever length L, and the measurement depth K.

[0016] Wherein, a positive tilt angle Q means that the measuring device is tilted towards the inside of the container, and a negative tilt angle Q means that the measuring device is tilted towards the outside of the container. The cantilever length L is the horizontal distance between the middle of the container sidewall and the distance sensor when the tilt angle Q is zero.

[0017] S5. When the tilt angle Q is positive, the process volume V1 is calculated based on the inner wall radius R and the actual depth H, and the process volume V1 is stored.

[0018] When the tilt angle Q is negative, the process volume V2 of the container is calculated based on the inner wall radius R and the actual depth J, and the process volume V2 is stored.

[0019] S6. After the measuring device moves a set distance, the average value of the process volume is taken to obtain the final volume V, and the final volume V is displayed.

[0020] Furthermore, the formula for calculating the inner wall radius R in step S3 is as follows:

[0021] R = DV1 / (V2 - V1);

[0022] In the formula: D and R are both in meters, and V1 and V2 are both in meters per second.

[0023] Furthermore, the calculation formulas for the actual depth H and the actual depth J in step S4 are as follows:

[0024] H = Lsin(Q) + Kcos(Q);

[0025] J = Kcos(Q) - Lsin(Q);

[0026] In the formula: H, K, J, and L are all in meters, and Q is in degrees Celsius.

[0027] Furthermore, the calculation formulas for volumes V1 and V2 in step S5 are as follows:

[0028] V1=πR 2 H;

[0029] V2=πR 2 J

[0030] Furthermore, the formula for calculating the final volume V in step S6 is: V1=(NV1.+MV2) / 2N;

[0031] In the formula: N is the number of calculated results for process volume V1; M is the number of calculated results for process volume V2.

[0032] Compared with the prior art, the beneficial effects of the present invention are:

[0033] The device uses a clamping wheel and an outer wheel to clamp the top of the container's side wall. A controller operates a hub motor to rotate the outer wheel, causing a U-shaped frame to move on top of the container. The U-shaped frame moves an angle sensor and a distance sensor. The controller receives the rotational speeds of the clamping wheel and outer wheel and calculates the container's inner wall radius by combining this with the side wall thickness. The distance sensor measures the container's depth, and the angle sensor compensates for the measurement depth, reducing measurement errors caused by tilting during movement. The controller calculates the actual depth using the measured depth and tilt angle, and calculates the container volume using the inner wall radius and actual depth. This measurement method is simple and convenient, highly efficient, accurate, and improves operational safety. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0035] Figure 2 for Figure 1 Enlarged view at point C;

[0036] Figure 3 for Figure 1 Enlarged view at point D;

[0037] Figure 4 This is a control principle diagram of the invention.

[0038] Figure 5 This is a diagram showing the working state of the measuring device tilting into the container.

[0039] Figure 6 This is a diagram showing the measuring device tilting outwards from the container during operation.

[0040] In the diagram: 1. U-shaped frame; 2. Controller; 3. Tilt sensor; 4. Bracket; 5. Distance sensor; 6. Ball bearing; 7. Bolt; 8. Internal threaded sleeve; 9. Wheel frame; 10. Pressure wheel; 11. Axle; 12. First encoder; 13. Journal; 14. Opening; 15. Hub motor; 16. Second encoder; 17. Outer wheel; 18. Side wall; 19. Touch screen. Detailed Implementation

[0041] To better understand the technical content of this invention, specific embodiments are provided below, and the invention will be further described in conjunction with the accompanying drawings.

[0042] See Figures 1 to 6This invention provides a device and method for measuring the volume of a circular open container, including a U-shaped frame 1, a controller 2, and a touch screen 19. An angle sensor 3 is mounted on the top of the U-shaped frame 1 to measure the angle between the U-shaped frame 1 and the horizontal plane. A distance sensor 5 is mounted on the front side of the U-shaped frame 1 to measure the distance from the top of the container to the bottom inside the container. A pressure wheel 10 and a hub motor 15 are respectively mounted on opposite sides inside the U-shaped frame 1. The pressure wheel 10 is mounted on the side wall 18 of the U-shaped frame 1 via an adjustment mechanism, and a first encoder 12 is connected to the pressure wheel 10. A second encoder 16 is mounted on the hub motor 15. The controller 2 and the touch screen 19 are both mounted on the U-shaped frame 1. The U-shaped frame 1 is electrically connected to the first encoder 12, the second encoder 16, the hub motor 15, the angle sensor 3, the distance sensor 5, and the touch screen 19. During measurement, the clamping wheel 10 and the outer wheel 17 are clamped to the top of the container side wall 18, with the outer wheel 17 located on the inner wall of the container. The top of the U-shaped frame 1 rests against the upper surface of the side wall 18, keeping the U-shaped frame 1 horizontal. The thickness D of the container side wall 18 is input via the touch screen 19. The controller 2 controls the hub motor 15 to move on the top of the side wall 18. During the movement, the second encoder 16 obtains the rotational speed V1 of the outer wheel 17, the first encoder 12 obtains the rotational speed V2 of the clamping wheel 10, the distance sensor 5 obtains the measurement depth K from the top of the container to its inner bottom, and the tilt angle sensor 3 obtains the tilt angle Q. The controller 2 calculates the inner wall radius R of the container based on the rotational speed V1 of the outer wheel, the rotational speed V2 of the clamping wheel 10, and the wall thickness D. In addition, during the movement of the measuring device, some shaking is inevitable, causing the measuring device to tilt relative to the horizontal plane. When the measuring device tilts towards the inside of the container (e.g. Figure 5 The controller 2 calculates the actual depth H based on the tilt angle Q, the cantilever length L, and the measurement depth K. However, when the measuring device tilts outwards from the container (e.g., ...), ... Figure 6 The controller 2 calculates the actual depth J based on the tilt angle Q, the cantilever length L, and the measurement depth K, where the cantilever length L is programmed into the controller 2. The controller 2 calculates the process volume V1 based on the inner wall radius R and the actual depth H, and the controller 2 also calculates the process volume V2 based on the inner wall radius R and the actual depth J. Both process volumes V1 and V2 are stored. The controller 2 calculates the moving distance based on the rotational speed V1 of the outer wheel 17. When the set distance (5m) is reached, the process volumes V1 and V2 are added together and averaged to obtain the final volume V, which is displayed on the touch screen 19. This measurement method is simple and convenient, highly efficient, and accurate, while also improving operational safety. Furthermore, it allows for approximate compensation of the measurement depth and averaging of the process volume, significantly improving measurement accuracy.

[0043] Specifically, the adjustment mechanism includes a slide groove on the inner wall of the U-shaped frame 1. A bolt 7 is rotatably mounted on the side wall 18 of the slide groove. An internal threaded sleeve 8 is threaded onto the bolt 7 and slides within the slide groove. The internal threaded sleeve 8 extends outward from the slide groove and is mounted on a wheel frame 9. A wheel axle 11 is rotatably mounted on the wheel frame 9. A pressure wheel 10 is mounted on the wheel axle 11, and a first encoder 12 is mounted on the wheel frame 9 and connected to the wheel axle 11. By rotating the bolt 7 on the side wall 18 of the slide groove, the bolt 7 rotates within the internal threaded sleeve 8. The threaded connection between the bolt 7 and the internal threaded sleeve 8 causes the bolt 7 to drive the internal threaded sleeve 8 to slide within the slide groove. The internal threaded sleeve 8, in turn, drives the pressure wheel 10 to move via the wheel frame 9 and the wheel axle 11, thereby adjusting the distance between the pressure wheel 10 and the outer wheel 17, thus achieving clamping and releasing of the side wall 18.

[0044] Specifically, the U-shaped frame 1 has an opening 14 on one side relative to the pressure wheel 10, the hub motor 15 has an outer wheel 17, and the hub motor 15 has journals 13 on both sides, with the two journals 13 fixedly installed on both sides of the opening 14.

[0045] Specifically, multiple rolling balls 6 are movably embedded in the top of the U-shaped frame 1. When the outer wheel 17 and the pressure wheel 10 are pressed against the inner and outer sides of the container side wall 18 respectively, the multiple rolling balls 6 abut against the upper surface of the container side wall 18. This is to prevent jamming caused by excessive friction between the U-shaped frame 1 and the side wall 18 during the movement of the cleaning equipment, ensuring that the outer wheel 17 and the pressure wheel 10 roll synchronously, which is beneficial to improving measurement accuracy.

[0046] Specifically, a bracket 4 is provided on the front side of the U-shaped frame 1, and the distance sensor 5 is mounted on the bracket 4. The bracket 4 is used to extend the distance sensor 5 into the inside of the container and to position it far away from the side wall 18 of the container, so as to avoid the distance sensor 5 detecting the side wall 18 of the container when the measuring device is tilted, which would cause measurement errors.

[0047] A method for measuring the volume of a circular open container 14, characterized by comprising the following steps:

[0048] S1. Clamp the clamping wheel 10 and the outer wheel 17 on the top of the container side wall 18. Drive the wheel hub motor 15 to drive the clamping wheel 10 and the outer wheel 17 to roll synchronously on the top of the container side wall 18. Input the container wall thickness D through the touch screen 19.

[0049] S2. Use the second encoder 16 to obtain the rotational speed V1 of the outer wheel 17, use the first encoder 12 to obtain the rotational speed V2 of the clamping wheel 10, use the distance sensor 5 to obtain the measurement depth K from the top to the bottom of the container, and use the tilt sensor 3 to obtain the tilt angle Q.

[0050] S3. Calculate the inner wall radius R of the container based on the rotational speed V1 of the outer wheel 17, the rotational speed V2 of the clamping wheel 10, and the wall thickness D.

[0051] S4. When the tilt angle Q is determined to be positive, the actual depth H is calculated based on the tilt angle Q, the cantilever length L, and the measured depth K (see...). Figure 5 );

[0052] When the compensation tilt angle Q is determined to be negative, the actual depth J is calculated based on the tilt angle Q, the cantilever length L, and the measurement depth K (see [reference]). Figure 6 );

[0053] Wherein, a positive tilt angle Q means that the measuring device is tilted towards the inside of the container, a negative tilt angle Q means that the measuring device is tilted towards the outside of the container, and the cantilever length L means that when the tilt angle Q is zero, the horizontal distance between the middle of the container sidewall 18 and the distance sensor 5 is.

[0054] S5. When the tilt angle Q is positive, the process volume V1 is calculated based on the inner wall radius R and the actual depth H, and the process volume V1 is stored.

[0055] When the tilt angle Q is negative, the process volume V2 of the container is calculated based on the inner wall radius R and the actual depth J, and the process volume V2 is stored.

[0056] S6. After the measuring device moves a set distance, the average value of the process volume is taken to obtain the final volume V, and the final volume V is displayed.

[0057] Specifically, the formula for calculating the inner wall radius R in step S3 is:

[0058] R = DV1 / (V2 - V1);

[0059] In the formula: D and R are both in meters, and V1 and V2 are both in meters per second.

[0060] Specifically, the formulas for calculating the actual depth H and the actual depth J in step S4 are as follows:

[0061] H = Lsin(Q) + Kcos(Q);

[0062] J = Kcos(Q) - Lsin(Q);

[0063] In the formula: H, K, J, and L are all in meters, and Q is in degrees Celsius.

[0064] Specifically, the formulas for calculating volumes V1 and V2 in step S5 are as follows:

[0065] V1=πR 2 H;

[0066] V2=πR 2 J.

[0067] Specifically, the formula for calculating the final volume V in step S6 is: V1=(NV1.+MV2) / 2N;

[0068] In the formula: N is the number of calculated results for process volume V1; M is the number of calculated results for process volume V2.

[0069] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A method for measuring the volume of a circular open container, characterized in that, The aforementioned method for measuring the volume of a circular open container employs a circular open container volume measuring device. This device includes a U-shaped frame, a controller, and a touchscreen display. An angle sensor is mounted on the top of the U-shaped frame, and a distance sensor is installed on the front side of the U-shaped frame. A pressure roller and a hub motor are respectively located on opposite sides inside the U-shaped frame. The pressure roller is mounted on the side wall of the U-shaped frame via an adjustment mechanism, and a first encoder is connected to the pressure roller. A second encoder is mounted on the hub motor. The controller and the touchscreen display are both mounted on the U-shaped frame. The U-shaped frame is connected to the first encoder, the second encoder, the hub motor, and... An inclinometer, a distance sensor, and a touchscreen are electrically connected. The adjustment mechanism includes a slide groove on the inner wall of a U-shaped frame. A bolt is rotatably threaded through the side wall of the slide groove. An internal threaded sleeve is threaded onto the bolt. The internal threaded sleeve is slidably disposed within the slide groove. The internal threaded sleeve extends to the outer side of the slide groove and is provided with a wheel frame. A wheel axle is rotatably disposed on the wheel frame. A pressure wheel is mounted on the wheel axle. The first encoder is mounted on the wheel frame and connected to the wheel axle. An opening is provided on one side of the U-shaped frame opposite to the pressure wheel. An outer wheel is provided on the hub motor. Both sides of the hub motor have journals. The two journals are respectively fixedly mounted on both sides of the opening. The method for measuring the volume of a circular open container includes the following steps: S1. Clamp the clamping wheel and the outer wheel on the top of the container side wall. Drive the wheel hub motor to drive the clamping wheel and the outer wheel to roll synchronously on the top of the container side wall. Input the container wall thickness D through the touch screen. S2. Use the second encoder to obtain the outer wheel speed V1, use the first encoder to obtain the clamping wheel speed V2, use the distance sensor to obtain the measurement depth K from the top to the bottom of the container, and use the tilt sensor to obtain the tilt angle Q. S3. Calculate the inner wall radius R of the container based on the outer wheel speed V1, the clamping wheel speed V2, and the wall thickness D; S4. When the tilt angle Q is determined to be positive, the actual depth H is calculated based on the tilt angle Q, the cantilever length L, and the measured depth K. When the tilt angle Q is determined to be negative, the actual depth J is calculated based on the tilt angle Q, the cantilever length L, and the measured depth K. Wherein, a positive tilt angle Q means that the circular open container volume measuring device is tilted towards the inside of the container, and a negative tilt angle Q means that the circular open container volume measuring device is tilted towards the outside of the container. The cantilever length L is the horizontal distance between the middle of the container sidewall and the distance sensor when the tilt angle Q is zero. S5. When the tilt angle Q is positive, the process volume V1 is calculated based on the inner wall radius R and the actual depth H, and the process volume V1 is stored. When the tilt angle Q is negative, the process volume V2 of the container is calculated based on the inner wall radius R and the actual depth J, and the process volume V2 is stored. S6. After the circular open container volume measuring device moves a set distance, it takes the average value of the process volume to obtain the final volume V, and displays the final volume V. The formula for calculating the inner wall radius R in step S3 is: R = DV1 / (V2 - V1); In the formula: D and R are both in meters, and V1 and V2 are both in meters per second; The formulas for calculating the actual depth H and the actual depth J in step S4 are as follows: H = Lsin(Q) + Kcos(Q); J = Kcos(Q) - Lsin(Q); In the formula: H, K, J, and L are all in meters, and Q is in degrees Celsius.

2. The method according to claim 1, characterized in that: The formulas for calculating volumes V1 and V2 in step S5 are as follows: V1=πR 2 H; V2=πR 2 J.

3. The method according to claim 1, characterized in that: The formula for calculating the final volume V in step S6 is: V=(NV1+MV2) / 2N; In the formula: N is the number of calculated results for process volume V1; M is the number of calculated results for process volume V2.

4. The method according to claim 1, characterized in that: Multiple rolling balls are movably embedded in the top of the U-shaped frame.

5. The method according to claim 1, characterized in that: The U-shaped frame has a support on its front side, and the distance sensor is mounted on the support.

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