CN221326250U - Target density testing device - Google Patents
Target density testing device Download PDFInfo
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- CN221326250U CN221326250U CN202323054642.3U CN202323054642U CN221326250U CN 221326250 U CN221326250 U CN 221326250U CN 202323054642 U CN202323054642 U CN 202323054642U CN 221326250 U CN221326250 U CN 221326250U
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- target
- liquid level
- water storage
- storage cavity
- level sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 47
- 238000005303 weighing Methods 0.000 claims abstract description 29
- 230000005484 gravity Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000013077 target material Substances 0.000 abstract description 10
- 238000004154 testing of material Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of target material testing, and discloses a target material density testing device which comprises weighing equipment, a water tank and a liquid level sensor, wherein the weighing equipment is provided with a liquid level sensor; the water tank is placed on the weighing equipment and is provided with a water storage cavity, and an opening communicated with the water storage cavity is formed in the upper end of the water tank; the liquid level sensor is arranged on the water tank and used for detecting the liquid level of the water storage cavity; when the target is placed in the water storage cavity, water in the water storage cavity can submerge the target; according to the target density testing device provided by the utility model, the density of the target can be obtained by only weighing the target once through the liquid level difference measured by the liquid level sensor and the mass difference measured by the weighing equipment, so that the time cost and the labor cost are saved.
Description
Technical Field
The utility model relates to the technical field of target testing, in particular to a target density testing device.
Background
The density of the target material needs to be tested in the production and manufacturing process, the density of the existing target material is measured by adopting a buoyancy method, and the method needs to measure dry weight and wet weight so as to obtain the density of the target material; the floating force method for measuring the density needs to measure the dry weight and the wet weight of the finished target material, and needs to weigh twice, thereby increasing the time and the labor cost.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art, and provides a target density testing device capable of obtaining the density of a target by only weighing the target once.
In order to achieve the above purpose, the utility model provides a target density testing device, which comprises weighing equipment, a water tank and a liquid level sensor; the water tank is placed on the weighing equipment and is provided with a water storage cavity, and an opening communicated with the water storage cavity is formed in the upper end of the water tank; the liquid level sensor is arranged on the water tank and used for detecting the liquid level of the water storage cavity;
When the target is placed in the water storage cavity, water in the water storage cavity can submerge the target.
In some embodiments, the weighing apparatus is an electronic scale.
In some embodiments, the liquid level sensor and the electronic scale are electrically connected with the control device.
In some embodiments, the control device comprises a controller and a human-machine interface, wherein the liquid level sensor and the electronic scale are electrically connected with the controller, and the human-machine interface is electrically connected with the controller.
In some embodiments, the fluid level sensor is a float ball fluid level sensor.
In some embodiments, the height of the water storage cavity is a and the height of the target is b along the gravity direction, so that: a > b.
In some embodiments, the water tank is of cylindrical configuration and the water storage chamber is of cylindrical configuration.
In some embodiments, the water tank is made of stainless steel.
Compared with the prior art, the target density testing device provided by the embodiment of the utility model has the beneficial effects that: the first liquid level of the target which is not placed in the water storage cavity and the second liquid level of the target which is placed in the water storage cavity can be measured through the liquid level sensor, the volume of the target can be calculated based on the liquid level difference between the second liquid level and the first liquid level, the first mass of the target which is not placed in the water storage cavity and the second mass of the target which is placed in the water storage cavity can be measured through the weighing equipment, the mass of the target is obtained through the mass difference between the second mass and the first mass, and the density of the target is obtained through the mass calculation of the target based on the volume of the target; therefore, the target density testing device provided by the utility model can obtain the density of the target by only weighing the target once through the liquid level difference measured by the liquid level sensor and the mass difference measured by the weighing equipment, thereby saving the time cost and the labor cost.
Drawings
FIG. 1 is a schematic diagram of a target density testing device according to an embodiment of the present utility model;
FIG. 2 is a length comparison diagram of a water storage cavity and a target provided by an embodiment of the present utility model;
fig. 3 is a schematic structural view of a water tank according to an embodiment of the present utility model;
fig. 4 is a schematic connection diagram of a control device, a liquid level sensor and a weighing device according to an embodiment of the present utility model.
In the figure, 1, a weighing device; 11. an electronic scale;
2. A water tank; 21. a water storage chamber;
3. a liquid level sensor; 31. a sensor lever; 32. a floating ball;
4. a target material;
5. a control device; 51. a controller; 52. a human-machine interface;
X, horizontal direction; z, the direction of gravity.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1 to 4, a target density testing device according to an embodiment of the present utility model includes a weighing apparatus 1, a water tank 2, and a liquid level sensor 3; the water tank 2 is arranged on the weighing equipment 1, the water tank 2 is provided with a water storage cavity 21, and the upper end of the water tank 2 is provided with an opening communicated with the water storage cavity 21; the liquid level sensor 3 is installed on the water tank 2 and is used for detecting the liquid level of the water storage cavity 21; wherein, when the target 4 is placed in the water storage chamber 21, water of the water storage chamber 21 can submerge the target 4.
Based on the technical scheme, the first liquid level of the target 4 which is not placed in the water storage cavity 21 and the second liquid level of the target 4 which is placed in the water storage cavity 21 can be measured through the liquid level sensor 3, the volume of the target can be calculated based on the liquid level difference between the second liquid level and the first liquid level, the first mass of the target which is not placed in the water storage cavity 21 and the second mass of the target which is placed in the water storage cavity 21 can be measured through the weighing equipment 1, the mass of the target is obtained through the mass difference between the second mass and the first mass, and the density of the target is obtained based on the volume of the target and the mass calculation of the target; therefore, the target density testing device provided by the utility model can obtain the density of the target by only weighing the target once, so that the time cost and the labor cost are saved.
In the present embodiment, the weighing apparatus 1 is an electronic scale 11.
In this embodiment, the target is in a cylindrical structure.
The water tank 2 and the weighing device 1 are placed in sequence along the direction of gravity Z.
The gravity direction Z is perpendicular to the horizontal direction X.
The liquid level sensor 3 and the electronic scale 11 are electrically connected with the control device 5. By adopting the control device 5, the calculation programming of the density of the target material can be calculated through the liquid level difference and the mass difference and the density of the target material can be automatically calculated through the calculation programming by inputting the calculation programming into the control device 5 in advance, so that the time cost and the labor cost are further saved. Meanwhile, the control device 5 can be used for programming, calculating and displaying any parameter related to the target according to the requirement, so that the flexibility of the device in use is improved.
The control device 5 comprises a controller 51 and a man-machine interface 52, the liquid level sensor 3 and the electronic scale 11 are electrically connected with the controller 51, and the man-machine interface 52 is electrically connected with the controller 51. By adopting the controller 51 and the man-machine interface 52, parameters such as the quality of the target, the volume of the target, the density of the target and the like can be displayed on a screen, so that the parameters of the target can be acquired more accurately and intuitively, and the use convenience of operators is enhanced.
Specifically, in the present embodiment, the controller 51 is a PLC controller, and the human-machine interface 52 is an HMI human-machine interface. The HMI human-machine interface can support history record inquiry, derive report data, save at least ten thousand pieces of target data and increase the functions of data saving and backup.
HMI is an abbreviation for Human MACHINE INTERFACE, "Human machine interface," also known as Human machine interface. Human-machine interfaces (also known as user interfaces or user interfaces) are media for interaction and exchange of information between a system and a user, which enable conversion between an internal form of information and a human-acceptable form, HMI human-machine interfaces are widely used in industrial equipment. The HMI human-computer interface has the capabilities of real-time data trend display, automatic data recording, historical data trend display, report generation and printing, graphic interface control and the like.
In the present embodiment, the liquid level sensor 3 is a floating ball type liquid level sensor. The floating ball type liquid level sensor is convenient to install, and meanwhile operators can conveniently and intuitively check the liquid level change in the water storage cavity 21.
In this embodiment, the floating ball type liquid level sensor includes a sensor measuring rod 31 and a floating ball 32 movably connected to the sensor measuring rod 31. Wherein, when the target 4 is placed in the water storage cavity 21, the lower end of the sensor measuring rod 31 is lower than the upper end of the target 4.
In other embodiments, the liquid level sensor 3 may be any type of liquid level sensor, such as a pontoon type liquid level sensor, a static pressure type liquid level sensor, and the like, which is not limited herein.
Along the gravity direction, the height of the water storage cavity 21 is a, the height of the target 4 is b, and the following conditions are satisfied: a > b.
In the existing method for measuring the density of the target, when the wet weight of the target is measured, because the target is cylindrical and horizontally placed in a water tank, bubbles are attached to the inner wall of the target, so that the measured wet weight data of the target is inaccurate, the bubbles attached to the inner wall of the target can be removed only by shaking the target for many times, and the method is time-consuming and labor-consuming and can not judge whether the bubbles remain on the inner wall of the target; and because the target is put horizontally for testing arrangement needs great size, increases testing arrangement's area.
By adopting a & gtb, the application enables the target 4 to be vertically placed in the water storage cavity 21, and can reduce bubbles attached to the inner wall of the target 4, thereby reducing the influence of bubble buoyancy on the measurement data of the weight of the target 4, improving the weight measurement accuracy of the target 4 and improving the density measurement accuracy of the target 4. Meanwhile, the water tank 2 with a longer length in the gravity direction Z is adopted, so that the occupied area of the target density testing device can be reduced.
In this embodiment, the water tank 2 has a cylindrical structure, and the water storage chamber 21 has a cylindrical structure.
The water tank 2 is made of stainless steel.
Specifically, the water tank 2 provided in this embodiment is a cylindrical water tank made of stainless steel. The cylindrical bucket made of stainless steel has the advantages of easy acquisition, high safety and the like.
In other embodiments, the water tank 2 may have any shape such as a square, a rectangular parallelepiped, or the like, and is not limited thereto.
In other embodiments, the material of the water tank 2 may be any material such as plastic material and cement material, and is not limited herein.
The working process of the target density testing device provided by the utility model is exemplified by the density testing of the target 4 of the finished product with the length of b=700 mm, and is specifically as follows:
recording the radius r 1 of the water storage cavity 21 and the radius r 2 of the sensor measuring rod 31; placing the water tank 2 on the weighing equipment 1, zeroing the weighing equipment 1, adding pure water with the height of 800mm into the water storage cavity 21, recording the first mass m 1 measured by the weighing equipment 1 at the moment, after the liquid level is stable, recording the first liquid level h 1 measured by the liquid level sensor 3, vertically placing the target 4 into the water storage cavity 21 and ensuring that the target 4 is immersed by water, recording the second mass m 2 measured by the weighing equipment 1 at the moment, and after the liquid level is stable, recording the second liquid level h 2 measured by the liquid level sensor 3; the density of the target is obtained based on H＝h2-h1,V＝S*H,S＝π*r1*r1-π*r2*r2,M＝m2-m1 and ρ＝M/V＝(m2-m1)/(π*r1*r1-π*r2*r2)*(h2-h1) operations.
In the above formula, the following formula is used;
r 1 is the radius of the water storage chamber 21 (which can be measured by any length measuring tool such as a ruler, a tape measure, a length measuring instrument, etc.);
r 2 is the radius of the sensor stylus 31 (which can be measured by any length measuring tool such as a ruler, a tape measure, a length measuring instrument, etc.);
m 1 the first mass of target 4 not placed in reservoir 21 (read directly by weighing device 1);
m 2 the second mass of target 4 has been placed in the water storage chamber 21 (read directly by the weighing device 1);
h 1 is the first liquid level (directly read by the liquid level sensor 3) of the target material 4 which is not put into the water storage cavity 21;
h 2 is the second liquid level (directly read by the liquid level sensor 3) at which the target 4 has been placed into the water storage chamber 21;
S is the bottom area of the water in the water storage chamber 21, i.e. s=pi×r 1*r1-π*r2*r2;
H is the liquid level difference between the first liquid level and the second liquid level, i.e. h=h 2-h1;
v is the volume of the target, i.e. v=s×h;
M is the mass difference between the first mass and the second mass, i.e. m=m 2-m1;
ρ is the density of the target, i.e., ρ=m/V.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. A target density testing device, comprising:
A weighing device;
The water tank is arranged on the weighing equipment and is provided with a water storage cavity, and the upper end of the water tank is provided with an opening communicated with the water storage cavity;
The liquid level sensor is arranged on the water tank and used for detecting the liquid level of the water storage cavity;
When the target is placed in the water storage cavity, water in the water storage cavity can submerge the target.
2. The target density testing device of claim 1, wherein the weighing apparatus is an electronic scale.
3. The target density testing device according to claim 2, further comprising a control apparatus, wherein the liquid level sensor and the electronic scale are both electrically connected to the control apparatus.
4. The target density testing device according to claim 3, wherein the control equipment comprises a controller and a man-machine interface, the liquid level sensor and the electronic scale are electrically connected with the controller, and the man-machine interface is electrically connected with the controller.
5. The target density testing device of claim 1, wherein the liquid level sensor is a float-type liquid level sensor.
6. The target density testing device according to claim 1, wherein the height of the water storage cavity is a and the height of the target is b along the gravity direction, and the following conditions are satisfied: a > b.
7. The target density testing device according to claim 1, wherein the water tank is of a cylindrical structure and the water storage cavity is of a cylindrical structure.
8. The target density testing device of claim 1, wherein the water tank is made of stainless steel.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221326250U true CN221326250U (en) | 2024-07-12 |
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| GR01 | Patent grant |