CN217006842U - Solid volume density measuring instrument - Google Patents
Solid volume density measuring instrument Download PDFInfo
- Publication number
- CN217006842U CN217006842U CN202121157847.2U CN202121157847U CN217006842U CN 217006842 U CN217006842 U CN 217006842U CN 202121157847 U CN202121157847 U CN 202121157847U CN 217006842 U CN217006842 U CN 217006842U
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- China
- Prior art keywords
- holding tank
- density measuring
- bulk density
- solid
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007787 solid Substances 0.000 title claims abstract description 28
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a solid volume density measuring instrument, and belongs to the technical field of measuring instruments. It has solved the inconvenient scheduling problem of prior art measurement. This solid bulk density measuring apparatu includes the instrument body and sets up the controlling means on the instrument body, the holding tank has been seted up to the instrument body, the holding tank top is provided with sealed lid, sealed lid is used for sealed holding tank, the assembly groove has been seted up to instrument body bottom, be provided with pressure measurement device in the holding tank, pressure measurement device is used for measuring the gas pressure in the holding tank, be provided with the pressure acquisition device that is used for responding to the solid quality in the holding tank and be used for to the holding tank in the gaseous gas conveying device of transport. The utility model has the advantages of no need of adding liquid when measuring the volume density of the solid, simple and convenient operation and the like.
Description
Technical Field
The utility model belongs to the technical field of measuring instruments, and particularly relates to a solid volume density measuring instrument.
Background
In the current society, for the measurement of the volume and the density of a regular object, the volume can be calculated according to a volume formula, and the density can be further obtained according to the mass; for the measurement of the volume and the density of irregular objects, the existing densitometer needs to measure according to the Archimedes principle and needs to add liquid for measurement, but the measured object is soaked by the liquid, so that the measurement is difficult for the object with water absorption.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide a solid volume density measuring instrument.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a solid volume density measuring apparatu, its characterized in that, including the instrument body and set up in controlling means on the instrument body, the holding tank has been seted up to the instrument body, the holding tank top is provided with sealed lid, sealed lid is used for sealing the holding tank, the assembly groove has been seted up to instrument body bottom, be provided with pressure measurement device in the holding tank, pressure measurement device is used for measuring gas pressure in the holding tank, be provided with the pressure acquisition device that is used for responding to solid mass in the holding tank and be used for to the gaseous gas delivery mechanism of holding tank interior transport gas.
The working principle of the utility model is as follows: when the volume or the density of the solid needs to be measured, the containing groove is sealed by the sealing cover, the control device controls the gas conveying device to convey gas into the containing groove, the gas conveying is stopped after t time, and the volume of the conveyed gas is v1Then the air pressure measuring device will measure the air pressure p in the accommodating tank1(ii) a Then the sealing cover is opened, an object to be measured is placed into the accommodating groove, the pressure acquisition device at the bottom of the bottom plate acquires the quality of the object to be measured, the sealing cover is closed, the control device controls the gas conveying device to convey gas for t time into the accommodating groove, and the volume of the conveyed gas is v1Then the air pressure in the accommodating tank is measured by the air pressure measuring device to be p2Since the volume of the object to be measured in the accommodating groove is v0So that p is2>p1Then the total volume after inflation is v2And v is2＝v1+v0From Boyle's law, one can derive: p is a radical of1 v1＝p2 v2I.e. p1 v1＝p2(v0+v1) To obtain the volume of the measured object
The mass of the object to be measured can be divided by the volume v of the object to be measured0And (4) obtaining.
In the solid volume density measuring instrument, the air pressure measuring device is arranged on one side of the accommodating groove, and a temperature measuring device used for measuring and collecting the temperature in the accommodating groove is further arranged on one side of the accommodating groove.
In the solid bulk density measuring instrument, the accommodating groove and the assembling groove are separated by a bottom plate, and the pressure acquisition device is fixed at the bottom of the bottom plate.
In the above solid bulk density measuring instrument, the gas transport device is fixed to the bottom of the bottom plate.
In the solid bulk density measuring instrument, the bottom plate is provided with a through hole for butting the gas conveying device so that the gas conveying device can input gas into the accommodating tank.
In the solid bulk density measuring instrument, one side of the sealing cover is rotatably connected with the top of one side of the accommodating groove.
In the above solid bulk density measuring instrument, the control device is provided with a control panel.
Compared with the prior art, the method has the advantages that liquid does not need to be added when the volume density of the solid is measured, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a structural schematic diagram in the bottom view direction of the utility model.
Fig. 3 is a schematic structural diagram of the present invention.
In the figure, 1, an instrument body; 2. accommodating a tank; 3. a sealing cover; 4. assembling a groove; 5. an air pressure measuring device; 6. a pressure acquisition device; 7. a gas delivery device; 8. a base plate; 10. a through hole; 11. a control device; 12. a control panel; 13. a temperature measuring device.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, the solid bulk density measuring instrument includes an instrument body 1 and a control device 11 disposed on the instrument body 1, the instrument body 1 has a holding tank 2, the top of the holding tank 2 is provided with a sealing cover 3, the sealing cover 3 is used for sealing the holding tank 2, the bottom of the instrument body 1 has an assembly tank 4, the holding tank 2 is provided with an air pressure measuring device 5, the air pressure measuring device 5 is used for measuring the air pressure in the holding tank 2, and the holding tank 2 is provided with a pressure collecting device 6 for sensing the mass of the solid and a gas conveying device 7 for conveying the gas into the holding tank 2.
Further saying in detail, barometry device 5 sets up in holding tank 2 one side, holding tank 2 one side still is provided with the temperature measuring device 13 that is used for measuring the interior temperature of gathering holding tank 2, because the pressure in holding tank 2 can change along with gas temperature's change, can lead to measuring result inaccurate when measuring colder or hotter object, consequently temperature measuring device 13 can measure the 2 inside temperatures of holding tank in real time, and more accurate measurement pressure, thereby the measured object volume that makes to obtain or density error are littleer, temperature measuring device 13 adopts platinum resistance temperature sensor, can obtain according to ideal gas state equation:
namely that
Can obtain
In the formula T1For the initial temperature, T, in the holding tank 22For placing quilt in the accommodating groove 2And measuring the temperature of the object.
In a further elaboration, holding tank 2 separates through bottom plate 8 with assembly groove 4, and pressure acquisition device 6 is fixed in 8 bottoms of bottom plate, and 6 capacitive pressure sensor of pressure acquisition device, measurement accuracy is high.
Further saying, gaseous conveyor 7 is fixed in the bottom of bottom plate 8, be provided with through-hole 10 on the bottom plate 8, through-hole 10 is used for the gaseous conveyor 7 of butt joint to make gaseous conveyor 7 can be gaseous to holding tank 2 internal input, in this embodiment, gaseous conveyor 7 adopts the air pump, controlling means 11 adopts the singlechip, singlechip collocation is clock circuit sometimes, air pump 9 can last even aerify to holding tank 2 is inside, clock circuit takes notes the gas transmission time of air pump 9, the singlechip just can control the air pump 9 and close after reaching the settlement time.
Further saying in detail, sealed lid 3 one side is rotated with holding tank 2 one side top and is connected for the people only need the sealed lid 3 of upset just can control holding tank 2 sealed with open, very convenient.
More specifically, the control device 11 is provided with a control panel 12, and the control panel 12 facilitates operation by a person.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although a large number of terms are used herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (7)
1. The utility model provides a solid bulk density measuring apparatu, its characterized in that, including instrument body (1) and set up in controlling means (11) on instrument body (1), holding tank (2) have been seted up to instrument body (1), holding tank (2) top is provided with sealed lid (3), sealed lid (3) are used for sealing holding tank (2), assembly groove (4) have been seted up to instrument body (1) bottom, be provided with pressure measurement device (5) in holding tank (2), pressure measurement device (5) are used for measuring the gas pressure in holding tank (2), be provided with in holding tank (2) and be used for responding to the pressure acquisition device (6) of solid quality and be used for to holding tank (2) interior gaseous gas delivery device (7) of transport.
2. The solid bulk density measuring instrument according to claim 1, wherein the air pressure measuring device (5) is disposed on one side of the accommodating tank (2), and a temperature measuring device (13) for measuring and collecting the temperature in the accommodating tank (2) is further disposed on one side of the accommodating tank (2).
3. A solid bulk density measuring instrument according to claim 1, wherein the receiving groove (2) is separated from the fitting groove (4) by a bottom plate (8), and the pressure-collecting means (6) is fixed to the bottom of the bottom plate (8).
4. A solid bulk density measuring instrument according to claim 3, wherein the gas delivery means (7) is fixed to the bottom of the bottom plate (8).
5. A solid bulk density measuring instrument according to claim 4, characterized in that the bottom plate (8) is provided with a through hole (10), the through hole (10) is used for butting the gas conveying device (7) so that the gas conveying device (7) can input gas into the accommodating groove (2).
6. A solid bulk density measuring instrument according to claim 1, wherein one side of the sealing cover (3) is rotatably connected with the top of one side of the accommodating groove (2).
7. A solid bulk density measuring instrument according to claim 1, characterized in that the control device (11) is provided with a control panel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121157847.2U CN217006842U (en) | 2021-05-27 | 2021-05-27 | Solid volume density measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121157847.2U CN217006842U (en) | 2021-05-27 | 2021-05-27 | Solid volume density measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006842U true CN217006842U (en) | 2022-07-19 |
Family
ID=82365760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121157847.2U Expired - Fee Related CN217006842U (en) | 2021-05-27 | 2021-05-27 | Solid volume density measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006842U (en) |
-
2021
- 2021-05-27 CN CN202121157847.2U patent/CN217006842U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |