CN203758871U - True density and porosity analyzer - Google Patents
True density and porosity analyzer Download PDFInfo
- Publication number
- CN203758871U CN203758871U CN201420149458.9U CN201420149458U CN203758871U CN 203758871 U CN203758871 U CN 203758871U CN 201420149458 U CN201420149458 U CN 201420149458U CN 203758871 U CN203758871 U CN 203758871U
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- sample cell
- square
- cavity
- testing
- inner square
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- Expired - Lifetime
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- 238000012360 testing method Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000011549 displacement method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a true density and porosity analyzer, and belongs to the field of true density and porosity analyzers. The analyzer comprises an inner square sample cell, a reference chamber, a vent pipeline, a control valve and a pressure gauge, wherein the inner square sample cell is internally provided with a square testing chamber; an opening which is communicated with the square testing chamber is formed in the inner square sample cell; one end of the vent pipeline is communicated with the interior of the reference chamber; the control valve and the pressure gauge are arranged on the vent pipeline; the other end of the vent pipeline is connected with the opening of the inner square sample cell in a sealed manner; the square testing chamber of the inner square sample cell is communicated with the interior of the reference chamber through the vent pipeline. As the analyzer adopts the inner square sample cell with the square testing chamber, the testing chamber adopts a square structure, and the sample cell is directly used as the testing chamber, the cutting difficulty in testing a square sample and the dead volume in testing the sample are reduced, and the utilization rate of the sample cell is high. The analyzer has the advantages of simple structure, convenience in operation and high testing precision.
Description
Technical Field
The utility model relates to a true density and porosity analysis appearance field especially relates to a true density and porosity analysis appearance of convenient test square sample.
Background
The gas displacement method is to apply the Archimedes principle of gas displacement, determine the volume of a sample by utilizing the volume of gas discharged by the sample under certain conditions, and accurately measure the real volume of the measured material so as to obtain the true density (mass/volume).
At present, in the testing process of a real density and porosity analyzer, the real density or porosity of a testing sample requires that the effective utilization rate of a sample pool is as high as possible, and the smaller the dead volume in the testing process is, the more accurate the testing result is.
The sample cell used by the current domestic and foreign real density and porosity analyzer is shown in fig. 1, and the internal shape is a cylinder 101. For testing cuboid block samples, the maximum utilization rate of the cylindrical sample cell is only 63.7%, and the utilization rate of the sample cell is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a true density and porosity analysis appearance, can conveniently test the cubic sample of cuboid, the effective utilization in sample cell is high, and the measuring accuracy is high to solve current true density and porosity analysis appearance and adopt the inside shape to make the effective utilization in sample cell low for the cubic sample of columniform sample cell test, be unfavorable for measuring accuracy's problem.
In order to solve the technical problem, the utility model provides a true density and porosity analyzer, include:
the device comprises an inner square sample cell, a reference cavity, a ventilation pipeline, a control valve and a pressure gauge; wherein,
a square test cavity is arranged in the inner square sample pool, and an opening communicated with the square test cavity is formed in the inner square sample pool;
one end of the ventilation pipeline is communicated with the inside of the reference cavity;
the control valve and the pressure gauge are arranged on the vent pipeline;
the other end of the vent pipeline is hermetically connected with the opening of the inner square sample pool, and the square test cavity of the inner square sample pool is communicated with the reference cavity through the vent pipeline.
The utility model has the advantages that: through adopting the interior square sample cell that is equipped with square test chamber in it, can directly regard as the test chamber with the sample cell that has square structure test chamber, reduced the cutting degree of difficulty and the dead volume of test sample in-process of sample, the effective utilization rate of sample cell is high. The device has the advantages of simple structure, convenience in operation and high testing precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a cylindrical sample cell provided in the prior art for use in a true density and porosity analyzer;
fig. 2 is a schematic structural diagram of a true density and porosity analyzer according to an embodiment of the present invention;
fig. 3 is a top view of an inner sample cell of an analyzer according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a true density and porosity analysis appearance, as shown in fig. 2, 3, this analysis appearance includes: the device comprises an inner square sample cell, a reference cavity, a ventilation pipeline, a control valve and a pressure gauge;
the inner cavity of the inner square sample pool 1 is a square testing cavity 11, and an opening 2 communicated with the cuboid or cubic testing cavity is arranged on the inner square sample pool 1; preferably, the square test chamber 11 can adopt a cuboid test chamber or a cubic test chamber;
one end of the vent pipeline 3 is communicated with the inside of the reference cavity 7;
a control valve 4 and a pressure gauge 5 are arranged on the vent pipeline 3;
the other end of the vent pipeline 3 is hermetically connected with the opening 2 of the inner square sample cell 1, and the cuboidal testing cavity 11 of the inner square sample cell 1 is communicated with the reference cavity 7 through the vent pipeline 3.
In the above analyzer, the opening 2 is provided at the upper end of the inward sample cell 1.
In the analyzer, the inner square sample cell 1 is a sample cell which is made of any one of metal, glass, quartz, plastic, alloy or organic materials and has a square inner cavity as an inner testing cavity.
Among the above-mentioned analysis appearance, the 3 other ends of vent line and the uncovered 2 sealing connection of interior square sample cell 1 do: and a sealing part 6 is arranged at the joint of the vent pipeline 3 and the opening 2 of the internal sample cell 1 for sealing connection.
The analyzer of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides a true density and void fraction analysis appearance, as shown in FIG. 2, this analysis appearance includes: the device comprises an inner square sample cell 1, a reference cavity 7, a vent pipeline 3, a control valve 4 and a pressure gauge 5; this interior square sample cell is shown in fig. 3, and inside test cavity is cuboid structure or cubic structure, and interior square sample cell upper end sets up uncovered. One end of the vent pipeline 3 is arranged on the reference cavity 7 and communicated with the inside of the reference cavity 7, and the control valve 4 and the pressure gauge 5 are arranged on the vent pipeline 3; the inner cavity of the inner square sample cell 1 is used as a testing cavity, and an opening 2 communicated with the testing cavity is arranged on the inner square sample cell 1; the opening 2 of the inner square sample cell 1 is hermetically connected with the other end of the vent pipeline 3, so that the test cavity 11 of the sample cell is communicated with the reference cavity 7 through the vent pipeline 3.
The above-mentioned real density and porosity analyzer can also set up the seal member 6, the seal member 6 is set up in the breather pipe 3 and connected the one end of the opening 2 of the interior sample cell 1. The size of the inner square sample pool can be prepared according to the sample requirement.
The true density and porosity analyzer with the inner square sample cell is utilized, and the test process is as follows: firstly, a block sample is cut into a cuboid or cube shape with a certain size, then the mass of the cut sample is weighed, an inner square sample pool with a proper size is selected, the cut cuboid or cube sample is placed into the inner square sample pool, and finally the inner square sample pool serving as a test cavity is directly connected into a ventilation pipeline, so that the test cavity of the inner square sample pool is communicated with a reference cavity to start automatic test.
The embodiment of the utility model provides a true density and porosity analysis appearance with interior square sample cell owing to adopt is that the test chamber is square sample cell to directly regard as the test chamber with the sample cell, both made things convenient for the cutting of sample, increased the effective utilization ratio in test chamber again, reduced the dead volume of test, improved the measuring accuracy.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A true density and porosity analyzer, comprising:
the device comprises an inner square sample cell, a reference cavity, a ventilation pipeline, a control valve and a pressure gauge; wherein,
a square test cavity is arranged in the inner square sample pool, and an opening communicated with the square test cavity is formed in the inner square sample pool;
one end of the ventilation pipeline is communicated with the inside of the reference cavity;
the control valve and the pressure gauge are arranged on the vent pipeline;
the other end of the vent pipeline is hermetically connected with the opening of the inner square sample pool, and the square test cavity of the inner square sample pool is communicated with the reference cavity through the vent pipeline.
2. The true density and porosity analyzer of claim 1, wherein the opening is disposed at an upper end of the interior sample cell.
3. The true density and porosity analyzer of claim 1, wherein the square test chamber is a rectangular test chamber or a cubic test chamber.
4. The real density and porosity analyzer according to any one of claims 1 to 3, wherein the inner square sample cell is a sample cell having a square inner cavity and a test cavity made of any one of metal, glass, quartz, plastic, alloy or organic material.
5. The apparatus according to any one of claims 1 to 3, wherein the other end of the vent line is connected to the open sealing of the internal sample cell by: and a sealing part is arranged at the open connection position of the vent pipeline and the internal sample cell for sealing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149458.9U CN203758871U (en) | 2014-03-28 | 2014-03-28 | True density and porosity analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149458.9U CN203758871U (en) | 2014-03-28 | 2014-03-28 | True density and porosity analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758871U true CN203758871U (en) | 2014-08-06 |
Family
ID=51254127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149458.9U Expired - Lifetime CN203758871U (en) | 2014-03-28 | 2014-03-28 | True density and porosity analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758871U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792974A (en) * | 2015-03-27 | 2015-07-22 | 同济大学 | Method for testing chemical shrinkage of cement paste by using full-automatic true density instrument |
| CN105181558A (en) * | 2015-11-02 | 2015-12-23 | 太原理工大学 | Accumulation porosity testing device and testing method |
| CN106442259A (en) * | 2016-09-22 | 2017-02-22 | 中南林业科技大学 | Method and device for rapidly determining effective porosity of ecological porous concrete |
| CN109238937A (en) * | 2018-09-19 | 2019-01-18 | 多氟多（焦作）新能源科技有限公司 | A kind of test method of lithium ion battery ceramic diaphragm porosity |
-
2014
- 2014-03-28 CN CN201420149458.9U patent/CN203758871U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792974A (en) * | 2015-03-27 | 2015-07-22 | 同济大学 | Method for testing chemical shrinkage of cement paste by using full-automatic true density instrument |
| CN104792974B (en) * | 2015-03-27 | 2016-04-06 | 同济大学 | A kind of method adopting full-automatic real density instrument test water slurry body chemical shrinkage |
| CN105181558A (en) * | 2015-11-02 | 2015-12-23 | 太原理工大学 | Accumulation porosity testing device and testing method |
| CN105181558B (en) * | 2015-11-02 | 2017-09-26 | 太原理工大学 | The test device and method of testing of deposit porosity |
| CN106442259A (en) * | 2016-09-22 | 2017-02-22 | 中南林业科技大学 | Method and device for rapidly determining effective porosity of ecological porous concrete |
| CN109238937A (en) * | 2018-09-19 | 2019-01-18 | 多氟多（焦作）新能源科技有限公司 | A kind of test method of lithium ion battery ceramic diaphragm porosity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |