Device and method for automatically measuring density of berry materials
By designing an automatic measurement device for berry material density, the rotating components flip the measuring cylinder and ultrasonic cracked bubbles, combined with a weighing sensor and image collector, the problem of time-consuming and labor-consuming measurement of berry material density is solved, and efficient and accurate density measurement is achieved.
Patent Information
- Application Number
- CN202510583390.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2025-07-18
AI Technical Summary
In the prior art, berry material density measurement is time-consuming and labor-intensive, operation is cumbersome, measurement parameters are difficult to ensure, and efficient and accurate density grading is difficult to achieve.
An automatic measurement device for berry material density is designed, including a base, measuring cylinder, isolation net, mass measurement component, rotary component, ultrasonic component and control system. The measurement cylinder is flipped by rotary component, combined with ultrasonic rupture bubbles and image collector to obtain liquid level, and a weighing sensor is used to measure material quality and calculate material density.
It realizes efficient and accurate measurement of berry material density, simplifies the operation process, improves measurement efficiency and accuracy, and can also accurately measure berries with density less than liquids.
Smart Images
Figure CN120334056A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of density measurement devices, and particularly relates to an automatic density measurement device and method for berry materials. Background Art
[0002] High-sugar berries such as grapes, goji berries, and blueberries are difficult to dry. In order to improve the consistency of the product quality after processing, classification treatment is usually carried out before processing. In addition to classification based on size, classification is usually also based on the physical and chemical characteristics of grapes. Taking grapes as an example, research shows that the higher the maturity of grapes, the higher their sugar content, and there will also be significant differences in the fruit density. Different-density salt solutions can effectively achieve the grading of grapes. When grapes of the same batch are immersed in a salt solution of a certain density, the grapes with a smaller density will float, and the grapes with a larger density will still sink below. By adjusting the concentration of different salt solutions, the grading of grapes with different densities can be effectively achieved, and thus the sugar content of different grapes can be effectively distinguished. Thus, classification based on sugar content can be achieved. This classification method is simple and reliable, but how to obtain the density parameters of the material becomes the key.
[0003] The density of high-sugar berry materials such as grapes is usually measured by the "drainage method". The specific operation process of the currently used "drainage method" measurement is as follows: First, place a graduated measuring cylinder horizontally on the experimental table. The staff first weighs the mass of a single berry, then puts the weighed berry into the measuring cylinder filled with water. After the berry sinks to the bottom, read the change in the volume of the solution in the measuring cylinder to obtain the volume of the berry, and then calculate the density of the berry using the volume and mass of the berry. However, this method is time-consuming and laborious during the measurement process, and the operation method is cumbersome. This process requires a large number of repetitive tests by the test personnel, and it is difficult to ensure the accuracy of the measured parameters. Therefore, using the traditional "drainage method" to measure the density of high-sugar berries has great limitations, and there is an urgent need for a measurement device with a wider adaptability and higher measurement accuracy. Summary of the Invention
[0004] In order to solve the problems existing in the prior art, the purpose of the present invention is to provide an automatic density measurement device and method for berry materials, which can efficiently and accurately measure the density of berry materials with different densities, have better adaptability, and are simple and convenient to operate.
[0005] The technical solution of the present invention is as follows: An automatic density measurement device for berry materials, comprising a base and a measuring cylinder. The measuring cylinder is used to hold liquid. The measuring cylinder is placed on the upper side of the base and is provided with a rotary cover at the opening. It is characterized in that it further comprises: An isolation net, fixed inside the measuring cylinder, for placing materials between the isolation net and the rotary cover; A mass measurement component, including a weighing scale and a main bracket. The weighing scale is fixed on the base, the main bracket is connected to the measurement end of the weighing scale, the measuring cylinder is installed on the main bracket, and the mass measurement component is used to measure the mass of the material placed in the measuring cylinder; A rotating component, fixed on the main bracket. The rotating component has a horizontally arranged rotating shaft, the rotating shaft is fixedly connected to the side wall of the measuring cylinder, and the axis of the rotating shaft is perpendicular to the axis of the measuring cylinder. The rotating component is used to achieve a 180° flip of the measuring cylinder to place the material in the liquid; An ultrasonic component, installed on the base, for breaking the bubbles adhering to the inner wall of the measuring cylinder and the material; A control system, including a collection module and a processing module. The collection module is used to collect the liquid levels before and after the flipping of the measuring cylinder, and the processing module is used to obtain the volume of the material through the liquid levels before and after the flipping of the measuring cylinder, and calculate the material density through the obtained material volume and the material mass obtained from the mass measurement component.
[0006] Preferably, the rotating component includes: Two support parts, relatively arranged on both sides of the measuring cylinder. The support part includes a support cylinder and a rotating shaft. One end of the support cylinder is fixedly connected to the main bracket, and the other end is rotatably connected to the rotating shaft, and the axis of the rotating shaft coincides with the axis of the support cylinder. The end of the rotating shaft away from the support cylinder is fixedly connected to the measuring cylinder; A rotation driver, installed in one of the support cylinders, and the output shaft of the rotation driver is fixedly connected to the rotating shaft.
[0007] Preferably, the weighing scale includes a weighing sensor, and the lower end of the main bracket is fixed to the measurement end of the weighing sensor.
[0008] Preferably, the collection module includes an image collector and a support rod. The lower end of the support rod is fixedly connected to the base, and the upper end is fixedly connected to the image collector. The image collector faces the measuring cylinder and is used to obtain the liquid level image of the measuring cylinder.
[0009] Preferably, the ultrasonic component includes two ultrasonic generators, and the two ultrasonic generators are symmetrically arranged up and down with respect to the rotating shaft. When the opening of the measuring cylinder is vertically upward, the upper ultrasonic generator faces the placement space above the isolation net.
[0010] Preferably, both the measuring cylinder and the isolation net are made of transparent materials.
[0011] Preferably, the measurement method of the above-mentioned automatic measuring device for the density of berry-like materials includes the following steps: Step 1: Input the mass M0 of the screw cap and the volume V0 of the isolation net into the processing module respectively. Step 2: Adjust the measuring cylinder to be in a vertical state, remove the screw cap, fill the liquid into the measuring cylinder, obtain the mass M1 through the weighing device, and transmit it to the processing module. Step 3: Place the material on the isolation net, tighten the screw cap, obtain the mass M2 through the weighing device, and transmit it to the processing module. Step 4: Start the ultrasonic component to generate ultrasonic waves acting on the measuring cylinder and the material, so that the liquid beads adhering to the material and the side wall of the measuring cylinder flow into the liquid, and at the same time, the air bubbles adhering to the side wall of the measuring cylinder burst. Obtain the volume V1 of the liquid through the acquisition module and transmit it to the processing module. Step 5: Start the rotating component to drive the measuring cylinder to rotate 180°, so that the material and the isolation net are all located in the liquid. Step 6: Start the ultrasonic component again, so that the liquid beads adhering to the side wall of the measuring cylinder fully flow into the liquid, and at the same time, the air bubbles adhering to the side wall of the measuring cylinder, the material and the isolation net burst. Obtain the volume V2 of the liquid through the acquisition module and transmit it to the processing module to obtain the density ρ of the material. Step 8: Start the rotating component to drive the measuring cylinder to rotate 180° to restore the initial state, and repeat the above steps 4 to 6 at least 2 times to obtain multiple material densities ρ, and then calculate the average value of the multiple material densities ρ.
[0012] Preferably, the method for measuring V1 in step 4 includes the following steps: Adjust the measuring cylinder to be in a vertical state, repeat starting the ultrasonic component to work for 5 s - 10 s and then stop, and obtain multiple liquid volumes V through the acquisition module 1-n , where n = 1, 2, 3...; calculate that the change in the liquid volume measured at least twice in succession is less than 0.001 mL, then take one of the volume parameters as the finally obtained liquid volume V1.
[0013] Preferably, the method for measuring V2 in step 6 includes the following steps: Adjust the measuring cylinder to be in a vertical state, repeat starting the two ultrasonic generators to work simultaneously for 5 s - 10 s and then stop, and obtain multiple liquid volumes V through the acquisition module 2-n , where n = 1, 2, 3...; calculate that the change in the liquid volume measured at least twice in succession is less than 0.001 mL, then take one of the volume parameters as the finally obtained liquid volume V2.
[0014] Preferably, the liquid in the measuring cylinder is water, ethanol or chloroform.
[0015] Compared with the prior art, an automatic measuring device and method for the density of berry materials of the present invention have the following beneficial effects: 1. After the materials and liquid are put into the present invention, with the cooperation of the control system, ultrasonic component, rotating component and mass measurement component, the density measurement of berry materials can be automatically completed, which has the advantages of simple operation, high measurement efficiency and high measurement accuracy of berry materials density; 2. The ultrasonic wave generated by the ultrasonic generator of the present invention can quickly break the bubbles adhering to the surface of the materials and the cylinder wall, improving the measurement accuracy of the solution volume change; 3. The present invention uses a weighing sensor to measure the mass of the materials and an image collector to obtain the liquid volume change, which can effectively avoid the error caused by subjective observation of the liquid level volume change and improve the measurement accuracy; 4. The present invention uses the rotating component to turn the measuring cylinder, so that the materials are turned over and placed in the liquid, and the isolation net is used to block the floating of the materials, completely immersing the materials in the liquid of the measuring cylinder, and can measure berries with different densities. Especially for berries with a density less than that of the liquid, effective and accurate measurement can still be carried out. Description of the Drawings
[0016] Figure 1 It is the overall structure schematic diagram in the embodiment of the present invention; Figure 2 It is the partial structure schematic diagram in the embodiment of the present invention.
[0017] Description of the Reference Numerals in the Drawings: 1. Screw cap; 2. Upper ultrasonic generator; 3. Bearing; 4. Rotating driver; 5. Measuring cylinder; 6. Main bracket; 7. Auxiliary bracket; 8. Weighing sensor; 9. Base; 10. Control box; 11. Touch display screen; 12. Image collector; 13. Isolation net; 14. Battery; 15. Wireless signal receiver; 16. Rotating shaft; 17. Materials; 18. Lower ultrasonic generator; 20. Start button; 21. Measurement button. Detailed Embodiment
[0018] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0019] All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.
[0020] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0021] See Figure 1 and Figure 2 As shown, in order to efficiently and accurately measure the density of berry-like materials 17 with different densities and expand the adaptability of the device. This embodiment provides an automatic density measuring device for berry-like materials, including a base 9 and a measuring cylinder 5 with volume scale lines on the outer wall of the measuring cylinder 5. It also includes a screw cap 1, a separation net 13, a mass measuring component, a rotating component, an ultrasonic component, and a control system. The screw cap 1 is adapted to the opening of the measuring cylinder 5 and is used to close the opening of the measuring cylinder 5, facilitating the formation of a sealed cavity in the measuring cylinder 5 during measurement. Preferably, the screw cap 1 is installed on the opening of the measuring cylinder 5 through a threaded connection to form a leak-proof sealed cavity. The separation net 13 is fixed inside the measuring cylinder 5 and is located near the screw cap 1. A placement space is reserved between the separation net 13 and the opening of the measuring cylinder 5 for placing the material 17. The mass measuring component includes a weighing device and a main support 6. The weighing device is fixed on the base 9. The main support 6 is U-shaped as a whole and is fixed on the upper side of the weighing device and connected to the measuring end of the measuring device. The rotating component is fixed on the main support 6 and has a horizontally arranged rotating shaft 16. The measuring cylinder 5 is located inside the U-shaped main support 6 and is fixedly connected to the rotating shaft 16, and the axis of the rotating shaft 16 is perpendicular to the axis of the measuring cylinder 5. The ultrasonic component is installed on the base 9 and includes at least two ultrasonic generators. The distance between the two ultrasonic generators is adapted to the height of the measuring cylinder 5, and the ultrasonic generator is used to generate ultrasonic waves. The control system includes an acquisition module, a processing module, and a display module. The acquisition module is used to acquire the scale line value corresponding to the liquid level in the measuring cylinder 5. The processing module is used to calculate the density of the material 17 through the parameters fed back by the acquisition module and the weighing instrument. The display module is used to display the measurement result.
[0022] See Figure 1As shown in the figure, further, in order to facilitate the density measurement of berry materials 17, the rotating assembly includes a rotating drive 4 and two support parts. The two support parts are oppositely arranged on both sides of the measuring cylinder 5. Each support part includes a support cylinder and a rotating shaft 16. Specifically, the support cylinder is fixed to the side wall of the U-shaped main bracket 6. One rotating shaft 16 is rotatably connected to each side of the support cylinder facing the measuring cylinder 5 through a bearing 3. During assembly, the outer ring of the bearing 3 is fixedly connected to the support cylinder, and the inner ring of the bearing 3 is sleeved on the corresponding rotating shaft 16. One ends of the two rotating shafts 16 that are coaxial and close to each other are fixedly connected to the outer wall of the measuring cylinder 5, and the measuring cylinder 5 is symmetrically arranged with respect to the rotating shaft 16. The rotating drive 4 is installed in one of the support cylinders, and the output shaft of the rotating drive 4 is fixedly connected to the rotating shaft 16. Preferably, the rotating drive 4 is a micro-motor, and the micro-motor is also connected to a battery 14. The battery 14 is preferably a button battery 14, which is used to supply power to the micro-motor. During use, the micro-motor provides power to the connected rotating shaft 16 to facilitate the flipping of the measuring cylinder 5.
[0023] See Figure 1 As shown in the figure, further, the weighing device includes a weighing sensor 8. The lower end of the main bracket 6 is fixed to the measuring end of the weighing sensor 8. Preferably, a weighing sensor 8 with a measuring accuracy of 0.0001 g to 0.001 g is selected.
[0024] See Figure 1 As shown in the figure, the acquisition module includes an image acquirer 12 and a support rod. The lower end of the support rod is fixedly connected to the base 9, and the upper end is fixedly connected to the image acquirer 12. The image acquirer 12 is aligned with the scale line on the outer wall of the measuring cylinder 5 to accurately acquire the liquid level image in the measuring cylinder. In order to ensure the accuracy of the measurement result, the image acquirer 12 is preferably a laser scanner.
[0025] See Figure 1 As shown in the figure, further, the two ultrasonic generators in the ultrasonic assembly are installed on the base 9 through an auxiliary bracket 7. The auxiliary bracket 7 is in an F shape, and the two ultrasonic generators are respectively arranged at the two horizontal support ends of the auxiliary bracket 7. The two ultrasonic generators are symmetrically arranged up and down with respect to the rotating shaft 16. The two ultrasonic generators are respectively denoted as the upper ultrasonic generator 2 and the lower ultrasonic generator 18. Among them, when the opening of the measuring cylinder 5 is vertically upward, the upper ultrasonic generator 2 faces the placement space above the isolation net 13. It is used to fully flow the adhering liquid on the material 17 into the liquid in the measuring cylinder 5 through ultrasonic waves after the material 17 is placed.
[0026] See Figure 1 As shown in the figure, both the measuring cylinder 5 and the isolation net 13 are made of transparent materials, and glass materials can be selected. And the diameter of the measuring cylinder 5 is preferably set to be between 10 mm and 100 mm, which is set according to the actual measurement object.
[0027] SeeFigure 1 As shown, further, the control system further includes a control box 10, and the display module and the processing module are both arranged on the control box 10. Among them, the display module adopts a touch display screen 11. In addition, the control system is also provided with a wireless signal transmitter and a wireless signal receiver 15. The processing module is electrically connected to the touch screen display, the image collector 12, the weighing sensor 8, the wireless signal transmitter, and two ultrasonic generators. And the touch display screen 11 can display the parameter information obtained by the image collector 12 and the weighing sensor 8. At the same time, the touch display screen 11 also displays the calculation result of the density of the material 17 by the processor. The wireless signal receiver 15 is connected to the micro motor, and the control system controls the start and stop of the micro motor by sending a wireless signal to the wireless signal receiver 15 through the wireless signal transmitter. A measurement button 21 and a start button 20 are also arranged on the control box 10. The measurement button 21 is used to control the opening and closing of the weighing sensor 8, and the start button 20 is used to turn on the automatic measurement mode of the device, which is convenient to realize one-key start of the automatic measurement of the density of the material 17.
[0028] See Figure 1 As shown, it includes the following steps: Step 1, input the mass M0 of the screw cap 1 and the volume V0 of the isolation net 13 into the processing module respectively; Step 2, adjust the measuring cylinder 5 to be in a vertical state, remove the screw cap 1, and fill the measuring cylinder 5 with a liquid (such as water, ethanol or chloroform, etc.) that does not chemically react with the berry material 17. The liquid level is higher than 1 / 2 of the volume of the measuring cylinder 5 and lower than the isolation net 13.
[0029] Perform measurement without the material 17. Click the start button 20, and the weighing sensor 8 measures the total mass of all components on the main bracket 6 and obtains it as M1, and transmits it to the processing module; the total mass M1 at this time includes the masses of two bearings 3, two support cylinders, a micro motor, a measuring cylinder 5, the liquid in the measuring cylinder 5, the main bracket 6, the isolation net 13, two rotating shafts 16, a battery 14, and a wireless signal receiver 15.
[0030] Step 3, place the material 17 on the isolation net 13, tighten the screw cap 1, and obtain the mass M2 through the weighing sensor 8 and transmit it to the processing module. The total mass M2 at this time includes the masses of the screw cap 1, the material 17 to be measured, two bearings 3, two support cylinders, a micro motor, a measuring cylinder 5, the liquid in the measuring cylinder 5, the main bracket 6, the isolation net 13, two rotating shafts 16, a battery 14, and a wireless signal receiver 15. Then the mass of the material 17 can be calculated at this time as: M2 - (M1 + M0).
[0031] Step 4: Start two ultrasonic generators. At this time, the ultrasonic waves generated by the upper ultrasonic generator 2 can cause the liquid adhering to the wall above the liquid level in the measuring cylinder 5, the liquid adhering to the material 17, and the liquid adhering to the isolation net 13 to flow down quickly; the ultrasonic waves generated by the lower ultrasonic generator 18 can cause the bubbles adhering to the wall below the liquid level in the measuring cylinder 5 to burst quickly. Specifically, adjust the measuring cylinder 5 to be in a vertical state, start the two ultrasonic generators to work simultaneously for 5 s to 10 s repeatedly and then stop. Each time after stopping, obtain the liquid volume through the image collector 12 (laser scanner), denoted as V 1-n , n = 1, 2, 3... (that is, the multiple volumes obtained are denoted as V 1-1 , V 1-2 , V 1-3 ...); furthermore, calculate that the change in the liquid volume measured at least twice consecutively is less than 0.001 mL, then take one of the volume parameters as the finally obtained liquid volume V1 and transmit it to the processing module.
[0032] Step 5: Start the rotating assembly to drive the measuring cylinder 5 to rotate 180°, so that the material 17 and the isolation net 13 are all located in the liquid.
[0033] Step 6: Start the two ultrasonic generators again to make the liquid adhering to the side wall above the liquid level of the measuring cylinder 5 flow fully into the liquid, and at the same time make the bubbles adhering to the side wall below the liquid level of the measuring cylinder 5, the material 17 and the isolation net 13 burst. Specifically, adjust the measuring cylinder 5 to be in a vertical state, start the two ultrasonic generators to work simultaneously for 5 s to 10 s repeatedly and then stop. Each time after stopping, obtain the liquid volume through the image collector 12 (laser scanner), denoted as V 2-n , n = 1, 2, 3... (that is, the multiple volumes obtained are denoted as V 2-1 , V 2-2 , V 2-3 ...); furthermore, calculate that the change in the liquid volume measured at least twice consecutively is less than 0.001 mL, then take one of the volume parameters as the finally obtained liquid volume V2 and transmit it to the processing module. Then, the volume of the material 17 can be calculated as: V2 - (V1 + V0)
[0034] Step 7: Output the density ρ of the material 17 through the display module; that is, ρ = M2 - (M1 + M0) / V2 - (V1 + V0).
[0035] Step 8: Start the rotating assembly to drive the measuring cylinder 5 to rotate 180° to restore the initial state, and repeat the above steps 4 to 7 at least 2 times again to obtain multiple densities ρ of the material 17, and take the average of the multiple densities ρ of the material 17 to obtain the final density parameter of the material 17.
[0036] In summary, with the setting of the above measuring device, the following beneficial effects are achieved: 1. After the material 17 and the liquid are put into the present invention, with the cooperation of the control system, the ultrasonic component, the rotating component and the mass measurement component, the density measurement of the berry material 17 can be automatically completed, which has the advantages of simple operation, high measurement efficiency and high accuracy of the density measurement of the berry material 17.
[0037] 2. The ultrasonic waves generated by the ultrasonic generator in the present invention can quickly break the bubbles adhering to the surface of the material 17 and the cylinder wall, improving the measurement accuracy of the change in the volume of the solution.
[0038] 3. The present invention uses the weighing sensor 8 to measure the mass of the material 17 and the image collector 12 to obtain the change in the liquid volume, which can effectively avoid the error caused by the subjective observation of the change in the liquid level volume and improve the measurement accuracy.
[0039] 4. The present invention uses the rotating component to flip the measuring cylinder 5 by 180°, so that the material 17 is placed in the liquid after being flipped, and the isolation net 13 is used to block the floating of the material 17, completely immersing the material 17 in the liquid in the measuring cylinder, and can measure berries with different densities. Especially for berries with a density less than that of the liquid, effective and accurate measurement can still be carried out.
[0040] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.
Claims
1. An automatic density measuring device for berry materials, comprising a base (9) and a measuring cylinder (5), wherein the measuring cylinder (5) is used to hold liquid, the measuring cylinder (5) is placed on the upper side of the base (9) and is provided with a screw cap (1) at the opening, and is characterized in that, Further comprising: A partition net (13) fixed inside the measuring cylinder (5) for placing the material (17) between the partition net (13) and the screw cap (1); A mass measurement assembly including a weighing device and a main support (6), the weighing device is fixed on the base (9), the main support (6) is connected to the measuring end of the weighing device, the measuring cylinder (5) is installed on the main support (6), and the mass measurement assembly is used to measure the mass of the material (17) placed inside the measuring cylinder (5); A rotating assembly fixed on the main support (6), the rotating assembly has a horizontally arranged rotating shaft (16), the rotating shaft (16) is fixedly connected to the side wall of the measuring cylinder (5), and the axis of the rotating shaft (16) is perpendicular to the axis of the measuring cylinder (5), and the rotating assembly is used to realize a 180° flip of the measuring cylinder (5) to place the material (17) in the liquid; An ultrasonic assembly installed on the base (9) for breaking the bubbles adhering to the inner wall of the measuring cylinder (5) and the material (17); A control system including an acquisition module and a processing module, the acquisition module is used to acquire the liquid levels before and after the flipping of the measuring cylinder (5), and the processing module is used to obtain the volume of the material (17) through the liquid levels before and after the flipping of the measuring cylinder (5), and calculate the density of the material (17) through the obtained volume of the material (17) and the mass of the material (17) obtained by the mass measurement assembly.
2. The automatic density measuring device for berry materials according to claim 1, wherein The rotating assembly includes: Two support parts oppositely arranged on both sides of the measuring cylinder (5), the support part includes a support cylinder and a rotating shaft (16), one end of the support cylinder is fixedly connected to the main support (6), the other end is rotatably connected to the rotating shaft (16), and the rotating shaft (16) coincides with the axis of the support cylinder, and the end of the rotating shaft (16) away from the support cylinder is fixedly connected to the measuring cylinder (5); A rotation driver (4) installed in one of the support cylinders, and the output shaft of the rotation driver (4) is fixedly connected to the rotating shaft (16).
3. The automatic density measuring device for berry materials according to claim 1, characterized in that, The weighing device includes a weighing sensor (8), and the lower end of the main support (6) is fixed to the measuring end of the weighing sensor (8).
4. The automatic density measuring device for berry materials according to claim 1, characterized in that, The acquisition module includes an image acquirer (12) and a support rod, the lower end of the support rod is fixedly connected to the base (9), the upper end is fixedly connected to the image acquirer (12), and the image acquirer (12) faces the measuring cylinder (5) for acquiring the liquid level image of the measuring cylinder (5).
5. The automatic density measuring device for berry materials according to claim 1, characterized in that, The ultrasonic assembly includes two ultrasonic generators, and the two ultrasonic generators are symmetrically arranged up and down with respect to the rotating shaft (16).
6. The automatic density measuring device for berry materials according to claim 1, characterized in that Both the measuring cylinder (5) and the partition net (13) are made of transparent materials.
7. The measuring method of the automatic measuring device for the density of berry materials according to any one of claims 1-6, characterized in that, Including the following steps: Step 1, input the mass M0 of the screw cap (1) and the volume V0 of the partition net (13) into the processing module respectively; Step 2, adjust the measuring cylinder (5) to be in a vertical state, remove the screw cap (1), fill the liquid into the measuring cylinder (5), obtain the mass M1 through the weighing device and transmit it to the processing module; Step 3: Place the material (17) on the isolation net (13), tighten the screw cap (1), obtain the mass M2 through the weighing device, and transmit it to the processing module; Step 4: Start the ultrasonic component to generate ultrasonic waves acting on the measuring cylinder (5) and the material (17), so that the liquid beads adhering to the material (17) and the side wall of the measuring cylinder (5) flow into the liquid, and at the same time, the air bubbles adhering to the side wall of the measuring cylinder (5) burst. Obtain the volume V1 of the liquid through the acquisition module and transmit it to the processing module; Step 5: Start the rotating component to drive the measuring cylinder (5) to rotate 180°, so that the material (17) and the isolation net (13) are all located in the liquid; Step 6: Start the ultrasonic component again to make the liquid beads adhering to the side wall of the measuring cylinder (5) fully flow into the liquid, and at the same time, make the air bubbles adhering to the side wall of the measuring cylinder (5), the material (17) and the isolation net (13) burst. Obtain the volume V2 of the liquid through the acquisition module and transmit it to the processing module to obtain the density ρ of the material (17); Step 7: Start the rotating component to drive the measuring cylinder (5) to rotate 180° to restore the initial state, and repeat the above steps 4 to 6 at least 2 times to obtain multiple densities ρ of the material (17). Take the average value of the multiple densities ρ of the material (17) to obtain the final density ρ of the material.
8. The measuring method of the automatic measuring device for the density of berry materials according to claim 7, characterized in that, The method for measuring V1 in Step 4 includes the following steps: Adjust the measuring cylinder (5) to keep it in a vertical state. Repeat starting the ultrasonic component to work for 5 s to 10 s multiple times and then stop. Obtain multiple liquid volumes V through the acquisition module 1-n , where n = 1, 2, 3...; Calculate that the change in the liquid volume measured at least twice in a row is less than 0.001 mL, and then use one of the volume parameters as the finally obtained liquid volume V1.
9. The measuring method of the automatic measuring device for the density of berry materials according to claim 7, characterized in that, The method for measuring V2 in Step 6 includes the following steps: Adjust the measuring cylinder (5) to keep it in a vertical state. Repeat the process of starting the two ultrasonic generators to work simultaneously for 5 s to 10 s multiple times and then stopping. Obtain multiple liquid volumes V through the acquisition module. 2-n , where n = 1, 2, 3...; Calculate that the change in the liquid volume measured at least twice consecutively is less than 0.001 mL, and then take one of the volume parameters as the finally obtained liquid volume V2.
10. The measuring method of the automatic density measuring device for berry materials according to claim 7, characterized in that The liquid in the measuring cylinder (5) is water, ethanol or chloroform.