Laser sensing type high-precision irregular solid density measuring instrument

Abstract

The utility model relates to the technical field of density measurement of objects, and particularly provides a laser sensing type high-precision irregular solid density measuring instrument, which comprises a container part (1), a laser sensing part (2) and a laser sensing part (3), the second container can be communicated with the first container; (2) a floating portion comprising: a float portion capable of floating in the liquid contained in the first container; the floating container can be located in the liquid contained in the second container in a floating mode, a containing space is formed in the floating container, and an object to be measured can be placed in the containing space; and (3) a distance detection part which can detect the state change of the floater part in the first container. With such a configuration, the density of an object to be measured having an irregular shape can be determined on the basis of a change in the liquid level (the height of the float portion changes with the change in the liquid level) on the basis of the device.

Description

Technical Field

[0001] This utility model belongs to the field of object density (and volume) measurement technology, and specifically relates to a laser-sensing high-precision irregular solid density measuring instrument. Background Technology

[0002] Taking objects of uniform density as an example, such as those that are fixedly connected or integrally molded, a significant portion of integrally molded objects exhibit irregular outlines. Specifically, people's needs for objects typically include both functional and visual aspects. For the former, factors such as constraints, avoidance, and fit may cause objects to exhibit certain irregular outlines. For the latter, individual designer factors may lead to more varied outlines, in which case irregular outlines are more likely. Furthermore, limitations imposed by manufacturing processes can also cause discrepancies between the object's outline and the ideal shape. This difference results in a degree of uncontrollable variation between the item's dimensions and the designed dimensions, thus exhibiting a degree of irregular outline.

[0003] Density (and volume), as fundamental properties of matter, need to be known. In practice, there is a need to quantify the density (and volume) of objects of arbitrary shapes. During his studies, the inventor encountered problems involving the buoyancy method for measuring the density of solids. The solution to this type of problem is based on the phenomenon that "the measured solid changes the liquid level when it is in different floating or sinking states" to determine a fixed density. Inspired by this solution, the inventor believes that a reasonable measurement scheme for the density of irregularly shaped objects can be developed based on this principle. It should be noted that the irregularly shaped objects mentioned in this invention should be understood as irregularly shaped, non-absorbent solids.

[0004] After reviewing relevant materials, within the scope of the inventor's knowledge system, no structure identical to this utility model was found. In addition, some of the solutions found had defects such as high structural complexity and the need for further improvement in accuracy.

[0005] Therefore, the inventors propose this utility model to achieve the measurement of density (and volume) of solids, especially irregular solids. Utility Model Content

[0006] In order to at least partially solve the above-mentioned technical problems and / or solve at least some of the above-mentioned technical problems, this utility model patent proposes a laser-sensing high-precision irregular solid density measuring instrument.

[0007] In view of this, the present invention provides a laser-sensing high-precision irregular solid density measuring instrument, the device comprising: (1) a container part, comprising: a first container; and a second container, which is capable of communicating with the first container; (2) a floating part, comprising: a float part, which is capable of floating in the liquid contained in the first container; and a floating container, which is capable of floating in the liquid contained in the second container, and the floating container forms a holding space in which the object to be measured can be placed; (3) a distance detection component, which is configured to detect the height change of the float part in the first container.

[0008] With this configuration, it is possible to determine the density of the object to be measured based on the change in the height of the float section, and then determine the volume of the object to be measured according to actual needs.

[0009] It is understandable that those skilled in the art can determine, based on actual needs, to use any reasonable distance detection component to determine the height change of the float section.

[0010] In addition, those skilled in the art can determine the structural form of the first container / second container / float section / floating container, the way to achieve communication between the first container and the second container, and the structural form of the holding space formed by the floating container according to actual needs.

[0011] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument described above, the float portion includes: a float base; and at least one protruding structure disposed on the float base.

[0012] This configuration allows for improvements in the stability and uniformity of the float section within the horizontal plane.

[0013] It is understood that those skilled in the art can determine the structural form, number, and arrangement of the protruding structures on the float base according to actual needs. For example, the protruding structures can be point-like, strip-like, block-like, or plate-like structures. For instance, if the protruding structure is a strip-like structure, the strip-like structure is arranged on the side of the float portion in a vertically extending or spirally coiled manner. In the example,

[0014] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument, the float substrate has an annular sidewall, and the at least one protruding structure comprises a plurality of protruding structures arranged circumferentially along the annular sidewall.

[0015] This configuration ensures the stability and horizontal uniformity of the float section.

[0016] It is understood that those skilled in the art can determine the distribution of the protruding structure on the annular sidewall according to actual needs. For example, the protruding structure is a strip-shaped structure extending axially along the annular sidewall.

[0017] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument described above, the float substrate has a centrosymmetric structure.

[0018] This design helps to avoid phenomena such as tilting caused by gravitational imbalance, thereby ensuring the accuracy of the measurement.

[0019] It is understandable that those skilled in the art can determine the structural form of the float matrix according to actual needs, such as a plate-like part, a columnar part, a hollow structure, etc.

[0020] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument, the float substrate includes: a first substrate; a second substrate having an annular cavity surrounding the outer side of the first substrate; and multiple support ribs, the two ends of which are fixedly connected to the inner walls of the first substrate and the annular cavity, or integrally formed therefrom.

[0021] This configuration illustrates possible structural forms for the float substrate. If the first substrate is the measurement area, it can be a columnar structure, a cylindrical structure, or similar.

[0022] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument described above, the float part is made of polytetrafluoroethylene; and / or the floating container is equipped with a counterweight.

[0023] Because polytetrafluoroethylene (PTFE) has excellent hydrophobic properties, it will not absorb water, thus preventing changes in water level and affecting the measurement accuracy of the device. The counterweight effectively prevents the floating container from tilting inside the second container, reducing the probability of collisions between them.

[0024] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument described above, the device includes: a mounting base, the first container being disposed on the mounting base, and the distance detection component being disposed on the mounting base.

[0025] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument, the mounting base includes a base capable of being placed at a target mounting position; wherein the base has a buffer structure at its bottom near the target mounting position.

[0026] This configuration effectively prevents environmental vibration factors from interfering with the measurement; for example, the buffer structure can be a buffer pad.

[0027] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument, the distance detection component is a laser displacement sensor, and in the assembled state, the laser displacement sensor is positioned above the float portion.

[0028] This configuration presents a possible structural form for the distance detection component.

[0029] In one possible implementation of the laser-sensing high-precision irregular solid density measuring instrument described above, the device is configured with: a temperature detection component capable of detecting the temperature of the liquid contained in the first container; and / or a mass measurement component for measuring the mass of the object to be measured.

[0030] Since the measurement method requires the involvement of water, the inventors, through research and consultation, learned that the density of water varies under different temperature conditions; specifically, the density of water decreases as temperature increases. Therefore, by configuring a temperature sensing component, it is possible to more accurately determine the density of the liquid based on its temperature, thereby ensuring the accuracy of the measurement.

[0031] Furthermore, based on the measurement results from the mass measuring component, both density and volume can be measured; for example, the mass measuring component could be a balance or similar object. Obviously, it is also possible to determine the mass of the object to be measured without configuring a mass measuring component, such as by directly reading information from the outer packaging or by measuring the mass at a location other than that of a laser-sensing high-precision irregular solid density meter.

[0032] In a preferred embodiment of this invention, the measuring device has the advantages of compact structure and simple operation. Clearly, the measuring device is suitable for the direct measurement of the density of both regular and irregular solids in an object, as well as for the direct measurement of the density of solids with densities greater than and less than water. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This diagram shows a three-dimensional structure of a laser-sensing high-precision irregular solid density measuring instrument according to an embodiment of the present invention.

[0035] Figure 2 This diagram shows an exploded structure of a laser-sensing high-precision irregular solid density measuring instrument according to an embodiment of the present invention.

[0036] Figure 3 This diagram illustrates the structure of the float portion in a laser-sensing high-precision irregular solid density measuring instrument according to an embodiment of the present invention. Figure 1 ;

[0037] Figure 4 This diagram illustrates the structure of the float portion in a laser-sensing high-precision irregular solid density measuring instrument according to an embodiment of the present invention. Figure 2 ;as well as

[0038] Figure 5 This diagram illustrates a flow chart of a density measurement method for irregular solids based on liquid level height according to an embodiment of the present invention.

[0039] In the attached image:

[0040] 100. Laser-sensor type high-precision irregular solid density measuring instrument;

[0041] 1. Container section;

[0042] 11. First container; 12. Second container; 13. Connecting pipe;

[0043] 2. Floating part;

[0044] 21. Float section;

[0045] 211. Float matrix;

[0046] 2111, First matrix;

[0047] 2112, Second matrix; 21121, Annular cavity;

[0048] 2113. Supporting reinforcement;

[0049] 212. Protruding structure;

[0050] 22. Floating container;

[0051] 3. Install the base;

[0052] 31. Base; 311. First mounting position;

[0053] 32. Bracket; 321. Second mounting position;

[0054] 4. Distance detection component. Detailed Implementation

[0055] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0056] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0057] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” or “coupled” to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. Furthermore, “connected” or “coupled” as used herein can include wireless connections or couplings. The term “and / or” as used herein includes any and all combinations of one or more of the associated listed items.

[0058] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as herein.

[0059] Furthermore, to better illustrate this utility model, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this utility model can still be implemented without certain specific details. In some examples, the principles of laser displacement sensors, which are well-known to those skilled in the art, are not described in detail in order to highlight the main points of this utility model.

[0060] Main reference Figures 1 to 4In one possible implementation, the laser-sensing high-precision irregular solid density measuring instrument 100 mainly includes a container section 1, a floating section 2, a mounting base 3, and a distance detection component 4. The container section 1 includes a first container 11 and a second container 12 connected to each other. The floating section 2 mainly includes a float section 21 and a floating container 22. The float section 21 floats naturally in the liquid contained in the first container 11, and the floating container 22 floats in the liquid contained in the second container 12. The floating container 22 forms a holding space in which the object to be measured can be placed. In this example, the liquid is pure water. The mounting base 3 is mainly used to place the first container 11 and mount the distance detection component 4. The distance detection component 4 is mainly used to determine the height change of the float section under different states by detecting the distance between itself and the measuring area of ​​the float section 21.

[0061] In this embodiment, the distance detection component 4 is a laser displacement sensor. For example, the BL-30NZ type laser displacement sensor (measuring center distance of 30mm) is used, i.e., a float surface distance laser displacement sensor. It can obtain valid data with an accuracy of 0.01mm even at spatial distances of 25-35mm. This is because, according to theoretical simulation calculations, when the object to be measured is a small solid such as jade, metal, or plexiglass, the change in liquid level height may be between a few tenths and a few millimeters. Accurately measuring such a small change in liquid level height is one of the core issues that the device must address to ensure its reliability.

[0062] By placing the float portion 21 and the floating container 22 in separate containers, the stability of the float portion 21 is greatly increased when the object to be measured is placed in the holding space of the floating container 22. For example, the amount of movement of the float portion 21 in the horizontal plane is greatly reduced. Since the amount of movement of the float portion 21 in the horizontal plane directly affects the position of the measuring point, it will interfere with the repeatability of the measuring point. Therefore, it is necessary to deal with the interference by means of multi-point detection and multiple detection.

[0063] With the amount of movement of the float 21 in the horizontal plane greatly reduced, the accuracy of the measurement can be guaranteed by fixed single-point measurement. Compared with multi-point measurement, the number of distance detection components 4 is reduced, and the cost of the device can be significantly reduced while ensuring measurement accuracy.

[0064] In one possible implementation, the mounting base 3 includes a base 31 at the bottom and a bracket 32 ​​disposed on the base 31. The bracket 32 ​​includes a vertical portion and a horizontal portion. A first mounting position 311 is provided on the upper surface of the base 31, in which the first container 11 can be placed. A second mounting position 321 is provided on the horizontal portion, in which the distance detection component 4 can be disposed. A buffer structure, such as a polyurethane pad, can be provided below the base 31 to effectively prevent interference with the measurement results caused by environmental vibration factors such as personnel walking or the experimental table being touched.

[0065] In one possible implementation, the first container 11 and the second container 12 are connected to each other near the bottom via a connecting pipe 13. For example, the first container 11 serves as the main cup with an inner diameter of 100mm, and the second container 12 serves as the auxiliary cup with an inner diameter of 75mm. Both the main cup and the auxiliary cup are 160mm high, and both are made of acrylic material.

[0066] In one possible implementation, the float portion 21 mainly includes a float base 211 and at least one protruding structure 212. The float base 211 is able to float naturally in the liquid in the first container 11. The protruding structure 212 can reduce the contact area and frictional resistance between the float base 211 and the inner wall of the first container 11.

[0067] In one possible implementation, the float base 211 has an annular sidewall with a plurality of protruding structures 212 circumferentially arranged on the annular sidewall. As in this example, the protruding structures 212 are strip-shaped structures extending axially along the annular sidewall and having a length less than the axial dimension of the annular sidewall.

[0068] In one possible implementation, the float base 211 has a centrally symmetrical structure to avoid phenomena such as the float portion 21 tilting inside the first container 11 due to unbalanced gravity distribution caused by different layouts of the float base 211, thereby ensuring the stability of the measurement process. In this example, the float base 211 includes a first base 2111 and a second base 2112. The first base 2111 is generally a cylindrical structure, with the measurement area of ​​the float portion approximately at the axial position of the upper end of the cylindrical structure. The second base 2112 forms an annular cavity 21121 surrounding the outer side of the first base 2111, and multiple supporting ribs 2113 are provided between the outer wall of the cylindrical structure and the inner wall of the annular cavity 21121.

[0069] In one possible implementation, the float portion 21 is made of polytetrafluoroethylene (PTFE), and the floating container 22 is equipped with a counterweight. Because PTFE has good hydrophobicity, it will not absorb water, thus preventing changes in water level and affecting the measurement accuracy of the device. The counterweight ensures the attitude stability of the floating container 22 within the second container 12. In this example, the counterweight is a lead weight, and a 3D-printed PLA structure for mounting the lead weight can be glued to the bottom of the floating container 22 using waterproof adhesive. Exemplarily, the lead weight has a mass of 100g and a length of 63mm.

[0070] Considering that smaller test objects may be inconvenient to remove after being placed in the floating container, the floating container can be equipped with a holding structure for placing the test object. For example, the holding structure could be an auxiliary frame made of lightweight extruded polystyrene board, allowing the auxiliary frame containing the test sample to be removed from the holding space of the second container.

[0071] In one possible implementation, a temperature sensor can be installed inside the second container. Referring to Table 1 below, the density of water varies under different temperature conditions; therefore, based on the detection results of the temperature sensor, the density of water under the current temperature conditions can be more accurately determined by looking up the table.

[0072] Table 1. Correspondence between water density and temperature

[0073]

[0074] Furthermore, a mass measurement component can be configured for the laser-sensing high-precision irregular solid density measuring instrument of this invention, such as a balance. For example, after determining the density of the object to be measured, the mass of the object can be measured using a balance, and then the volume of the object can be calculated.

[0075] The aforementioned laser-sensing high-precision irregular solid density measuring instrument can be used to measure the density (and volume) of irregularly shaped objects. (Main reference) Figure 5 In one possible implementation, the method for measuring irregular solids mainly includes the following steps:

[0076] S510. Without placing the object to be measured, determine the first distance h1 between the distance detection component and the measuring area of ​​the float part;

[0077] S520. When the object to be measured is placed in a floating container, determine a second distance h2 between the measuring area of ​​the distance detection component and the float part;

[0078] S530. When the object to be measured is placed directly into the second container, determine the third distance h3 between the measuring area of ​​the distance detection component and the float part;

[0079] S540. Determine the density ρ of the object to be measured based on the first distance h1, the second distance h2, and the third distance h3. 待测物体 ;

[0080] S550. Based on the determined density and mass of the object to be measured, determine the volume V of the object to be measured. 待测物体 .

[0081] The density of the object to be measured is calculated by the following formula:

[0082]

[0083] Such as ρ 液体 This can be determined by looking up a table. Specifically, referring to Table 1 mentioned above, the density of the liquid is determined based on the pre-established mapping relationship between the liquid's temperature and density, according to the liquid temperature detected by the temperature detection component.

[0084] Wherein, the volume V of the object to be measured 被测物体 It can be calculated using the following formula:

[0085]

[0086] Among them, the mass m of the object to be measured can be directly measured by a balance. 待测物体 .

[0087] It should be noted that although the steps in the above embodiments are described in a specific order, those skilled in the art will understand that in order to achieve the effect of this utility model, different steps do not necessarily have to be executed in such an order. They can be executed simultaneously or in other orders, and some steps can be added, replaced or omitted, such as the order of S510-S530 can be changed.

[0088] It should be noted that although the above specific method has been described as an example, those skilled in the art will understand that the present invention is not limited thereto. In fact, users can flexibly adjust the relevant steps and parameters in the steps according to actual application scenarios, such as using multiple detections to determine the aforementioned first distance h1, second distance h2, and third distance h3.

[0089] The inventor used various samples of different specifications (such as material, size, shape, etc.) as the objects to be tested to verify the accuracy of this invention. The tests showed that the device based on this invention has high measurement accuracy for samples such as polytetrafluoroethylene, aluminum heat sinks, and plexiglass. Specifically:

[0090] Referring to Table 2, taking polytetrafluoroethylene as an example, the average density of the four measurements was 2009.08 kg / m³. 3 The coefficient of variation was 1.74%, which is consistent with the actual density of the sample (2.027 g / cm³). 3 The deviation between them is -0.89%.

[0091] Table 2 shows the measurement results and analysis of the polytetrafluoroethylene sample.

[0092]

[0093] Referring to Table 3, taking the aluminum heat sink as an example, the measured density is 2.726 × 10⁻⁶. 3 kg / m 3 , compared with the theoretical density (2.7×10) 3 kg / m 3 The deviation between the two values ​​is 0.95%, which is consistent with the actual density of the sample (2.709 g / cm³). 3 The deviation between them is 0.63%.

[0094] Table 3 shows the measurement results for the aluminum heat sink of the sample.

[0095]

[0096]

[0097] Based on the measurement results in Table 3, the measured density ρ 被测物体 ==(h1-h2) / (h1-h3)×0.997043×1000=2725.58kg / m 3 =2.726×10 3 kg / m 3 The measured density is similar to the theoretical density of aluminum (approximately 2.7 × 10⁻⁶). 3 kg / m 3 The deviation between (2.726-2.7) / 2.7×100%=0.95%.

[0098] Referring to Table 4, taking plexiglass as an example, the measured density is 1.203 × 10⁻⁶. 3 kg / m 3 , compared with the theoretical density of the reference (1.18×10 3 kg / m3 The deviation between the two is 2%, which is consistent with the actual density of the sample (1.198 g / cm³). 3 The deviation between them is 0.42%.

[0099] Table 4 shows the measurement results for the acrylic sample.

[0100]

[0101] Based on the measurement results in Table 4, the measured density ρ 被测物体 =(h1-h2) / (h1-h3)×0.997537×1000=1203.71kg / m 3 =1.203×10 3 kg / m 3 The measured density is similar to the theoretical density of plexiglass (approximately 1.18 × 10⁻⁶). 3 kg / m 3 The deviation between (1.203-1.18) / 1.18×100%=2%.

[0102] Furthermore, referring to Table 5, the inventors may submit the object (sample) to be tested to a third party for testing. By comparing and analyzing the test results from the third party with the actual test results using this device, the scientific validity and accuracy of the device can be further verified. The sample submitted for testing by the third party and the sample tested using this device should be the same sample.

[0103] Table 5 compares the measured results using this device with those from a third party.

[0104]

[0105] As can be seen, in the preferred embodiment of this invention, by placing the float portion with buoyancy properties and the floating container separately in a first container and a second container that are connected to each other, the density of the irregularly shaped object to be measured can be determined by detecting the height change of the float portion using a laser rangefinder sensor, which serves as a distance detection component. Since the float portion moves almost no distance in the horizontal plane and its outline dimensions (approximately a disc-shaped structure) are roughly uniform along the thickness direction, the accuracy of distance measurement can be ensured by using a fixed distance detection component (detecting the center of the first substrate). Furthermore, by configuring a temperature detection component, the accuracy of density measurement of the object to be measured is further improved. By configuring a mass measurement component, the volume of the object to be measured can be determined based on the density.

[0106] Furthermore, the device of this invention has advantages such as portability and mobility. Therefore, it has certain application and promotional significance for learning scenarios or other scenarios where the density (and volume) of any object needs to be known in a timely manner. For example, different types of jade not only differ in their outline and shape, but also in their density. In such a functional scenario, the density measuring device of this invention can be used to measure the density and volume of jade.

[0107] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A laser-sensing high-precision irregular solid density measuring instrument, characterized in that, The measuring instrument includes: (1) A container section, comprising: The first container; and The second container is able to communicate with the first container; (2) The floating part, which includes: The float portion is capable of floating in the liquid contained in the first container; and A floating container, capable of floating in the liquid contained in the second container, and The floating container forms a holding space in which the object to be tested can be placed. (3) A distance detection component, which is configured to detect changes in the state of the float portion within the first container.

2. The laser-sensing high-precision irregular solid density measuring instrument according to claim 1, characterized in that, The float portion includes: Float matrix; and At least one protruding structure is disposed on the float base.

3. The laser-sensing high-precision irregular solid density measuring instrument according to claim 2, characterized in that, The float matrix has annular sidewalls. The at least one protruding structure includes a plurality of protruding structures, which are arranged circumferentially along the annular sidewall.

4. The laser-sensing high-precision irregular solid density measuring instrument according to claim 2, characterized in that, The float matrix has a centrally symmetrical structure.

5. The laser-sensing high-precision irregular solid density measuring instrument according to claim 4, characterized in that, The float matrix includes: First matrix; The second substrate has an annular cavity formed therein, the annular cavity surrounding the outside of the first substrate; Multiple supporting ribs, the two ends of which are fixedly connected to the first base and the inner wall of the annular cavity respectively or integrally formed.

6. The laser-sensing high-precision irregular solid density measuring instrument according to claim 1, characterized in that, The float portion is made of polytetrafluoroethylene; and / or The floating container is equipped with a counterweight.

7. The laser-sensing high-precision irregular solid density measuring instrument according to claim 1, characterized in that, The measuring instrument includes: Mounting base, wherein the first container can be disposed on the mounting base, and the distance detection component is disposed on the mounting base.

8. The laser-sensing high-precision irregular solid density measuring instrument according to claim 7, characterized in that, The mounting base includes: A base that can be placed at the target installation location; The base has a buffer structure at its bottom.

9. The laser-sensing high-precision irregular solid density measuring instrument according to claim 1, characterized in that, The distance detection component is a laser displacement sensor, and In the assembled state, the laser displacement sensor is positioned above the float section.

10. The laser-sensing high-precision irregular solid density measuring instrument according to claim 1, characterized in that, The measuring instrument is equipped with: A temperature sensing component capable of detecting the temperature of the liquid contained in the first container; and / or A mass measuring component used to measure the mass of an object.

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