CN216771214U - Gas adsorption instrument sample room and gas adsorption instrument system - Google Patents
Gas adsorption instrument sample room and gas adsorption instrument system Download PDFInfo
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- CN216771214U CN216771214U CN202123345932.4U CN202123345932U CN216771214U CN 216771214 U CN216771214 U CN 216771214U CN 202123345932 U CN202123345932 U CN 202123345932U CN 216771214 U CN216771214 U CN 216771214U
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- adsorption instrument
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 130
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000003507 refrigerant Substances 0.000 claims abstract description 28
- 239000002826 coolant Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 18
- 239000007789 gas Substances 0.000 description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 11
- 241000601170 Clematis lasiantha Species 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 239000011232 storage material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a gas adsorption instrument sample chamber which comprises a sample chamber main body, a heating component and a sealing joint, wherein a sample chamber is arranged in the sample chamber main body, a heating chamber and a cooling chamber are arranged on the sample chamber main body at the periphery of the sample chamber, the sealing joint is arranged at one end of the sample chamber main body and is communicated with the sample chamber, the heating component is arranged at the other end of the sample chamber main body and is inserted into the heating chamber, and a refrigerant inlet joint and a refrigerant outlet joint which are communicated with the cooling chamber are arranged on the side wall of the sample chamber main body. The gas adsorption instrument system comprises a cooling medium supply mechanism, a gas adsorption instrument and a gas adsorption instrument sample chamber, a sealing joint is connected with the gas adsorption instrument, a refrigerant inlet joint is connected with an outlet of the cooling medium supply mechanism, and a refrigerant outlet joint is connected with an inlet of the cooling medium supply mechanism. The gas adsorption instrument sample chamber and the gas adsorption instrument system are simple in structure, high in heating and cooling speed and capable of improving testing efficiency and accuracy.
Description
Technical Field
The utility model relates to the technical field of measuring instruments, in particular to a gas adsorption instrument sample chamber and a gas adsorption instrument system.
Background
Hydrogen energy plays a key role in energy conversion in the large context of achieving carbon neutralization goals. Hydrogen storage is the most important part of the industrial chain of hydrogen energy and is also the biggest technical obstacle to the development of hydrogen energy. The hydrogen storage material is used as a carrier of hydrogen energy, and is hopeful to become a safe and efficient hydrogen storage mode. Finding suitable hydrogen storage materials is therefore an important part of the development of hydrogen energy. The key performance of the hydrogen storage material is mainly detected by a gas adsorption instrument, and how to efficiently and accurately measure the performance is attributed to a testing instrument.
Full-automatic gas adsorption instruments are commonly used for testing various properties of hydrogen storage materials, such as cycle life tests, kinetic tests, PCT tests, and the like. The existing adsorption instrument testing equipment has the problems of long testing period and low testing precision, the problems are mainly caused by a heating and cooling mode and a temperature control mode of a sample cell (also called a sample chamber), and the traditional sample cell has the following defects:
(1) the heating and cooling speed of the sample is slow, the sample cannot be controlled in a required temperature range quickly, and the test efficiency is low and the test data is inaccurate;
(2) the heating and cooling modules are troublesome to switch, and are not easy to separate from the sample pool, and the disassembly and the assembly are inconvenient, so that the experiment operation is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a gas adsorption instrument sample chamber and a gas adsorption instrument system which have the advantages of simple structure, high temperature rise and reduction speed and capability of improving the test efficiency and accuracy.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a gaseous absorption appearance sample room, includes sample room main part, heating element and sealing joint, be equipped with the sample chamber in the sample room main part, the sample room main part is equipped with heating chamber and cooling chamber in the week side in sample chamber, sealing joint locates the one end of sample room main part and communicates with the sample chamber, heating element locates the other end of sample room main part and inserts and locate in the heating chamber, be equipped with on the lateral wall of sample room main part all with the refrigerant entry joint and the refrigerant outlet joint of cooling chamber intercommunication.
As a further improvement of the above technical solution:
the heating assembly comprises a heating main body and a heating rod, wherein the heating rod is arranged on the heating main body and inserted into the heating cavity.
The heating cavity is provided with at least three heating cavities, each heating cavity is arranged around the periphery of the sample cavity at intervals, the number of the heating main bodies is the same as that of the heating cavities, and each heating main body is inserted into each heating cavity respectively.
The one end of sample room main part orientation heating main part is equipped with the socket hole, be equipped with the draw-in groove on the pore wall of socket hole, the joint end is established to the one end of heating main part orientation sample room main part, the joint end is inserted and is located in the socket hole, just the week side of joint end is equipped with spring plunger, spring plunger card is located in the draw-in groove.
The clamping groove is an annular groove arranged around the central shaft of the socket hole.
The heating chamber runs through to the socket hole in, the heating rod is located on the terminal surface of joint end.
And the heating component is provided with a temperature measuring element which is inserted in the sample chamber main body.
One end of the sample chamber main body, which faces the heating component, is provided with a temperature measuring hole, and the temperature measuring element is inserted in the temperature measuring hole.
The sample chamber body is cylindrical.
A gas adsorption instrument system comprises a cooling medium supply mechanism, a gas adsorption instrument and the gas adsorption instrument sample chamber, wherein a sealing joint is connected with the gas adsorption instrument, a refrigerant inlet joint is connected with an outlet of the cooling medium supply mechanism, and a refrigerant outlet joint is connected with an inlet of the cooling medium supply mechanism.
Compared with the prior art, the utility model has the advantages that:
when the gas adsorption instrument sample chamber is used, a refrigerant inlet joint is connected with an outlet of a cooling medium supply mechanism, and a refrigerant outlet joint is connected with an inlet of the cooling medium supply mechanism; and injecting a sample into the sample cavity, and connecting the sealing joint with the gas adsorption instrument. When heating, the heating assembly is started, and the sample in the sample cavity is rapidly heated through the heating assembly; when the sample is cooled, the heating assembly is turned off (even the heating assembly can be pulled out of the heating cavity), and the sample in the sample cavity is rapidly cooled by circularly injecting a cooling medium into the cooling cavity. Because the heating cavity and the sample cavity are both arranged in the sample chamber main body, and the heating cavity is arranged on the periphery of the sample cavity, the heating speed of the sample cavity is improved. Because the cooling cavity and the sample cavity are both arranged in the sample chamber main body, and the cooling cavity is arranged on the peripheral side of the sample cavity, the cooling speed of the sample cavity is improved. The gas adsorption instrument sample chamber is simple in structure, high in heating and cooling speed and capable of improving testing efficiency and accuracy.
According to the gas adsorption instrument sample chamber, the heating main body and the sample chamber main body are connected in an anti-falling mode through the matching of the spring plunger and the clamping groove, and the gas adsorption instrument sample chamber is convenient to assemble and disassemble.
According to the gas adsorption instrument system, the gas adsorption instrument system comprises the gas adsorption instrument sample chamber, so that the gas adsorption instrument system has all the advantages of the gas adsorption instrument sample chamber, namely simple structure, high heating and cooling speeds and capability of improving the testing efficiency and accuracy.
Drawings
FIG. 1 is a schematic perspective view of a sample cell of a gas adsorption apparatus of the present invention.
FIG. 2 is a schematic cross-sectional view of the sample cell body of the sample cell of the gas adsorption apparatus of the present invention.
FIG. 3 is a schematic perspective view of a heating element of a sample chamber of a gas adsorption apparatus of the present invention.
The reference numerals in the figures denote:
1. a sample chamber body; 11. a socket hole; 12. a card slot; 13. a temperature measuring hole; 2. a heating assembly; 21. heating the body; 211. a clamping end; 212. a spring plunger; 22. a heating rod; 3. sealing the joint; 4. a sample chamber; 5. a heating chamber; 6. a cooling chamber; 7. a refrigerant inlet joint; 8. a refrigerant outlet joint; 9. a temperature measuring element.
Detailed Description
The utility model will be described in further detail below with reference to the drawings and specific examples.
The first embodiment is as follows:
fig. 1 to 3 show an embodiment of the sample chamber of the gas adsorption instrument of the present invention, the sample chamber of the gas adsorption instrument includes a sample chamber main body 1, a heating component 2 and a sealing joint 3, a sample chamber 4 is provided in the sample chamber main body 1, a heating chamber 5 and a cooling chamber 6 are provided on the sample chamber main body 1 around the sample chamber 4, the sealing joint 3 is provided at one end of the sample chamber main body 1 and is communicated with the sample chamber 4, the heating component 2 is provided at the other end of the sample chamber main body 1 and is inserted into the heating chamber 5, and a refrigerant inlet joint 7 and a refrigerant outlet joint 8 both communicated with the cooling chamber 6 are provided on the side wall of the sample chamber main body 1.
When in use, the refrigerant inlet joint 7 is connected with an outlet of the cooling medium supply mechanism, and the refrigerant outlet joint 8 is connected with an inlet of the cooling medium supply mechanism; the sample is injected into the sample chamber 4 and the sealing joint 3 is connected to the gas adsorption apparatus. When heating, the heating component 2 is started, and the sample in the sample cavity 4 is rapidly heated through the heating component 2; when cooling down, the heating assembly 2 is switched off, and the sample in the sample cavity 4 is rapidly cooled down by circulating and injecting a cooling medium into the cooling cavity 6. Because the heating cavity 5 and the sample cavity 4 are both arranged in the sample chamber main body 1, and the heating cavity 5 is arranged on the peripheral side of the sample cavity 4, the heating speed of the sample cavity 4 is improved. Because the cooling cavity 6 and the sample cavity 4 are both arranged in the sample chamber main body 1, and the cooling cavity 6 is arranged on the peripheral side of the sample cavity 4, the cooling speed of the sample cavity 4 is improved. The gas adsorption instrument sample chamber is simple in structure, high in heating and cooling speed and capable of improving testing efficiency and accuracy.
In this embodiment, as shown in fig. 3, the heating assembly 2 includes a heating body 21 and a heating rod 22, and the heating rod 22 is disposed on the heating body 21 and inserted into the heating cavity 5. During heating, the heating assembly 2 heats the heating rod 22, and the heating rod 22 heats the sample cavity 4 through the heat transfer effect inside the sample chamber main body 1. Specifically, the heating body 21 has a cylindrical shape. The heating rod 22 has a cylindrical shape. The heating body 21 is wrapped with a cover.
In this embodiment, at least three heating cavities 5 are provided, each heating cavity 5 is arranged around the periphery of the sample cavity 4 at intervals, the number of the heating main bodies 21 is the same as that of the heating cavities 5, and each heating main body 21 is inserted into each heating cavity 5. Specifically, three heating chambers 5 are provided, and the heating chambers 5 are arranged at regular intervals around the periphery of the sample chamber 4, so that the sample chamber 4 is heated more uniformly.
In this embodiment, as shown in fig. 2, a socket hole 11 is disposed at one end of the sample chamber main body 1 facing the heating main body 21, a clamping groove 12 is disposed on a hole wall of the socket hole 11, a clamping end 211 is disposed at one end of the heating main body 21 facing the sample chamber main body 1, the clamping end 211 is inserted into the socket hole 11, a spring plunger 212 is disposed around the clamping end 211, and the spring plunger 212 is clamped in the clamping groove 12. The heating body 21 and the sample chamber body 1 are connected in an anti-dropping manner through the matching of the spring plunger 212 and the clamping groove 12, and the assembly and disassembly are convenient.
In this embodiment, the locking groove 12 is an annular groove disposed around the central axis of the socket hole 11. Thus, spring plunger 212 can be snapped into snap groove 12 in either orientation when snap end 211 of heating body 21 is inserted into female opening 11 of sample chamber body 1. The convenience of installation of the heating assembly 2 is improved. On the contrary, the heating element 2 can be pulled out by a proper external force.
In this embodiment, as shown in fig. 2, the heating cavity 5 penetrates into the socket hole 11, and the heating rod 22 is disposed on the end surface of the clamping end 211. Specifically, the heating cavity 5 is a cylindrical cavity adapted to the size of the heating rod 22. The heating rod 22 is fixed on the end face of the clamping end 211.
In this embodiment, the heating component 2 is provided with a temperature measuring element 9, and the temperature measuring element 9 is inserted into the sample chamber main body 1. Specifically, one end of the heating component 2 inserted into the sample chamber main body 1 is arranged close to the sample cavity 4, a display screen (not shown in the drawing) is arranged on the outer side of the heating component 2, and the temperature measuring element 9 measures the temperature of the sample cavity 4 in real time and displays the temperature on the display screen.
In this embodiment, a temperature measuring hole 13 is formed in one end of the sample chamber main body 1 facing the heating component 2, and the temperature measuring element 9 is inserted into the temperature measuring hole 13. Specifically, one end of the temperature measuring hole 13 is close to the sample cavity 4, and the other end of the temperature measuring hole penetrates through the socket hole 11. The temperature measuring element 9 is fixed on the end face of the clamping end 211. When the heating rod 22 is inserted into the heating cavity 5, the temperature measuring element 9 is inserted into the temperature measuring hole 13.
In this embodiment, the sample chamber body 1 is cylindrical. The sealing joint 3 is a metal joint. The cross section of the clamping groove 12 is arc-shaped. Refrigerant inlet joint 7 and refrigerant outlet joint 8 are quick-operation joint, and quick-operation joint includes body and stem of pipe, and both are from taking the valve, and the valve is automatic to be opened when stem of pipe and body meet, realizes coolant's circulation, and valve self-closing prevents that the coolant liquid is excessive when stem of pipe and body separate.
The sample chamber main body 1 is made of 316L stainless steel, is resistant to pressure of 20MPa and resists temperature of 500 ℃; the heating power of the heating component 2 is 500W-1500W.
Example two:
a gas adsorption instrument system comprises a cooling medium supply mechanism, a gas adsorption instrument and a gas adsorption instrument sample chamber of the first embodiment, wherein a sealing joint 3 is connected with the gas adsorption instrument, a refrigerant inlet joint 7 is connected with an outlet of the cooling medium supply mechanism, and a refrigerant outlet joint 8 is connected with an inlet of the cooling medium supply mechanism. Because the gas adsorption instrument system comprises the gas adsorption instrument sample chamber, the gas adsorption instrument system has all the advantages of the gas adsorption instrument sample chamber, namely simple structure, high heating and cooling speed and capability of improving the testing efficiency and accuracy.
The upper end of the sample chamber main body 1 is connected with a gas adsorption instrument through a sealing joint 3, the sample chamber main body 1 is connected with the heating main body 21 through a spring plunger 212, the spring plunger 212 is clamped into a clamping groove 12 of the sample chamber main body 1 after connection to realize locking, and the spring plunger 212 is separated from the clamping groove 12 by radial component force during separation, so that the quick plugging and unplugging without tools can be realized, and the assembly and disassembly of the heating component 2 are realized. The circumference side of the sample chamber main body 1 is communicated with a cooling medium supply mechanism (a heat dissipation circulation mechanism) through a refrigerant inlet joint 7 and a refrigerant outlet joint 8, the refrigerant inlet joint 7 and the refrigerant outlet joint 8 are quick joints, each quick joint comprises a pipe body and a pipe stem, the pipe stem and the pipe stem are provided with valves, the valves are automatically opened when the pipe stems are connected with the pipe bodies, circulation of the cooling medium is realized, the valves are automatically closed when the pipe stems are separated from the pipe bodies, and cooling liquid is prevented from overflowing.
The gas adsorption instrument system has the characteristics that:
(1) the temperature of the sample can be rapidly raised and lowered, and the temperature can be accurately controlled. The temperature rising rate is 0.1-80 ℃/min, the temperature reducing rate is 0.1-100 ℃/min, and the temperature control precision is +/-0.1 ℃;
(2) the heating component 2 and the cooling medium supply mechanism can be connected with the control module to realize automatic switching of heating and cooling modes; the integrated sample chamber main body 1 is structurally designed, heating and cooling are seamlessly switched, heating and cooling hardware does not need to be manually replaced, and the testing efficiency and accuracy are greatly improved;
(3) since the sample chamber body 1 is connected to the gas adsorption apparatus via the seal joint 3 and connected to the cooling medium supply mechanism via the quick coupling, the sample chamber body 1 can be quickly attached and detached. Most samples are loaded and unloaded under inert atmosphere, so that the sample chamber body 1 needs to be detached and placed under inert atmosphere for loading and unloading the samples. The sample chamber body 1 can be rapidly assembled and disassembled with the heating assembly 2 and the cooling medium supply mechanism under the condition of no tool, and the test convenience is greatly improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. A gas adsorption appearance sample room which characterized in that: including sample room main part (1), heating element (2) and sealing joint (3), be equipped with sample chamber (4) in sample room main part (1), sample room main part (1) is equipped with heating chamber (5) and cooling chamber (6) in the week side of sample chamber (4), sealing joint (3) are located the one end of sample room main part (1) and are communicate with sample chamber (4), heating element (2) are located the other end of sample room main part (1) and are inserted and locate in heating chamber (5), be equipped with refrigerant inlet joint (7) and refrigerant outlet joint (8) all with cooling chamber (6) intercommunication on the lateral wall of sample room main part (1).
2. A gas adsorption instrument sample cell according to claim 1, wherein: the heating assembly (2) comprises a heating main body (21) and a heating rod (22), wherein the heating rod (22) is arranged on the heating main body (21) and inserted into the heating cavity (5).
3. A gas adsorption instrument sample cell according to claim 2, wherein: the heating cavities (5) are at least three, the heating cavities (5) are arranged around the periphery of the sample cavity (4) at intervals, the number of the heating main bodies (21) is the same as that of the heating cavities (5), and the heating main bodies (21) are respectively inserted into the heating cavities (5).
4. A gas adsorption instrument sample cell according to claim 2, wherein: sample room main part (1) is equipped with socket hole (11) towards the one end of heating main part (21), be equipped with draw-in groove (12) on the pore wall of socket hole (11), establish into joint end (211) towards the one end of sample room main part (1) heating main part (21), joint end (211) are inserted and are located socket hole (11), just the week side of joint end (211) is equipped with spring plunger (212), spring plunger (212) card is located in draw-in groove (12).
5. A gas adsorption instrument sample cell according to claim 4 wherein: the clamping groove (12) is an annular groove arranged around the central shaft of the bearing hole (11).
6. A gas adsorption instrument sample cell according to claim 4, wherein: heating chamber (5) run through to in socket hole (11), heating rod (22) are located on the terminal surface of joint end (211).
7. A gas adsorption instrument sample cell according to any one of claims 1 to 6, wherein: the heating component (2) is provided with a temperature measuring element (9), and the temperature measuring element (9) is inserted into the sample chamber main body (1).
8. A gas adsorption instrument sample cell according to claim 7, wherein: one end of the sample chamber main body (1) facing the heating component (2) is provided with a temperature measuring hole (13), and the temperature measuring element (9) is inserted in the temperature measuring hole (13).
9. A gas adsorption instrument sample cell according to any one of claims 1 to 6, wherein: the sample chamber body (1) is cylindrical.
10. A gas adsorption instrument system is characterized in that: the gas adsorption instrument sample chamber comprises a cooling medium supply mechanism, a gas adsorption instrument and the gas adsorption instrument sample chamber as claimed in any one of claims 1 to 9, wherein the sealing joint (3) is connected with the gas adsorption instrument, the refrigerant inlet joint (7) is connected with an outlet of the cooling medium supply mechanism, and the refrigerant outlet joint (8) is connected with an inlet of the cooling medium supply mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123345932.4U CN216771214U (en) | 2021-12-27 | 2021-12-27 | Gas adsorption instrument sample room and gas adsorption instrument system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123345932.4U CN216771214U (en) | 2021-12-27 | 2021-12-27 | Gas adsorption instrument sample room and gas adsorption instrument system |
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| Publication Number | Publication Date |
|---|---|
| CN216771214U true CN216771214U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123345932.4U Active CN216771214U (en) | 2021-12-27 | 2021-12-27 | Gas adsorption instrument sample room and gas adsorption instrument system |
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| Country | Link |
|---|---|
| CN (1) | CN216771214U (en) |
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2021
- 2021-12-27 CN CN202123345932.4U patent/CN216771214U/en active Active
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