CN217717383U - Differential thermal thermogravimetric analyzer for electric field - Google Patents
Differential thermal thermogravimetric analyzer for electric field Download PDFInfo
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- CN217717383U CN217717383U CN202221742507.0U CN202221742507U CN217717383U CN 217717383 U CN217717383 U CN 217717383U CN 202221742507 U CN202221742507 U CN 202221742507U CN 217717383 U CN217717383 U CN 217717383U
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- thermogravimetric
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Abstract
The utility model provides an electric field differential heating thermogravimetric analyzer relates to thermogravimetric analysis technical field, including the heating furnace, differential heating thermogravimetric support bar is installed to the inner wall bottom of heating furnace, the surface of differential heating thermogravimetric support bar is provided with down platinum dish, the top of differential heating thermogravimetric support bar is provided with reference crucible. The utility model discloses, place a fixed voltage or receive an alternating voltage through the top of platinum dish under for go up platinum dish and produce the fixed electric field or the alternating electric field of certain intensity between the platinum dish down, can measure the temperature difference value of reference and measurement sample spare or the quality change of sample like this at the in-process of heating furnace heating.
Description
Technical Field
The utility model relates to a differential thermal thermogravimetric analysis technical field especially relates to electric field differential thermal thermogravimetric analyzer.
Background
The thermogravimetric analyzer is an instrument for detecting the relation between the temperature and the mass change of a substance by utilizing a thermogravimetric method. Thermogravimetry is the measurement of the mass of a substance as a function of temperature or time under programmed temperature control.
However, in the prior art, the existing thermogravimetric analyzers can measure a substance when in use, but some thermogravimetric analyzers are not provided with a mechanism capable of generating a fixed electric field or an alternating electric field, and may not be capable of measuring the temperature difference between a reference sample and a measurement sample or the mass change of the sample in the process of heating the substance in a heating furnace between electric fields.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the mechanism which can not generate a fixed electric field or an alternating electric field is not arranged in the prior art, and the temperature difference value of the reference and the measured sample piece or the quality change of the sample can not be measured in the heating process of the heating furnace between the electric fields.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the electric field differential thermogravimetric analyzer comprises a heating furnace, wherein a differential thermogravimetric supporting rod is installed at the bottom of the inner wall of the heating furnace, a lower platinum disk is arranged on the outer surface of the differential thermogravimetric supporting rod, and a reference crucible is arranged at the top of the differential thermogravimetric supporting rod.
As a preferred embodiment, the top of the differential thermal weight support rod is provided with a measuring crucible.
The technical effect of adopting the further scheme is as follows: the differential thermal gravimetry support rod is used for supporting the measuring crucible and is used as a measuring sensor for the temperature difference between the sample and the reference object.
In a preferred embodiment, the heating furnace is internally provided with an upper platinum disk.
The technical effect of adopting the further scheme is as follows: the upper platinum disk is arranged above the crucible of the sample supporting rod and is not contacted with the supporting rod.
As a preferred embodiment, the upper platinum disk and the lower platinum disk are parallel to each other.
The technical effect of adopting the further scheme is as follows: the middle of the lower platinum disk is provided with a hole, and the support rod passes through the central hole but is not contacted with the lower platinum disk.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model discloses in, through the utmost point of connecting DC power supply or alternating current power supply at last platinum dish, direct current power supply or alternating current power supply's another utmost point is connected to lower platinum dish for go up platinum dish and produce the fixed electric field or the alternating electric field of certain intensity down between the platinum dish, can be under the condition that the electric field exists like this, the in-process measurement reference of heating furnace heating and the temperature difference of measurement sample spare or the quality change of sample.
2. The utility model discloses in, it is parallel with the mounted position of platinum dish down to go up the platinum dish, can be so that fixed electric field and alternating electric field are more stable.
Drawings
Fig. 1 is a schematic structural view of the differential thermal thermogravimetric analyzer of the electric field provided by the present invention.
Illustration of the drawings:
1. heating furnace; 2. differential thermal weight support bars; 3. a platinum gold disk is arranged; 4. a reference crucible; 5. measuring the crucible; 6. and (4) coating a platinum gold disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.
Example 1
As shown in fig. 1, the utility model provides a technical solution: the electric field differential thermogravimetric analyzer comprises a heating furnace 1, a differential thermogravimetric supporting rod 2 is installed at the bottom of the inner wall of the heating furnace 1, a lower platinum disk 3 is arranged on the outer surface of the differential thermogravimetric supporting rod 2, and a reference crucible 4 is arranged at the top of the differential thermogravimetric supporting rod 2.
In this embodiment, the upper platinum disk 6 is placed on the top of the reference crucible 4 and the sample measuring crucible 5, the lower platinum disk 3 is placed on the bottom of the reference crucible 4 and the sample measuring crucible 5, and when the device is used, the lower platinum disk 3 and the upper platinum disk 6 can be connected to a direct current power supply or an alternating current power supply, so that a fixed electric field or an alternating electric field with a certain strength is generated between the upper platinum disk 6 and the lower platinum disk 3, and thus the temperature difference between the reference and measured sample pieces or the mass change of the sample can be measured in the heating process of the heating furnace 1.
Example 2
As shown in figure 1, a measuring crucible 5 is arranged at the top of the differential thermal weight support rod 2, an upper platinum disk 6 is arranged inside the heating furnace 1, and the upper platinum disk 6 and the lower platinum disk 3 are parallel to each other.
In this embodiment, the upper platinum disk 6 is parallel to the lower platinum disk 3, so that the fixed electric field and the alternating electric field are more stable.
The working principle is as follows:
as shown in figure 1, an upper platinum disk 6 is placed on the top of a reference crucible 4 and a sample measuring crucible 5, a lower platinum disk 3 is placed on the bottom of the reference crucible 4 and the sample measuring crucible 5, when the crucible is used, the lower platinum disk 3 and the upper platinum disk 6 can be connected to a direct current power supply or an alternating current power supply, so that a fixed electric field or an alternating electric field with certain strength is generated between the upper platinum disk 6 and the lower platinum disk 3, the temperature difference value of a reference sample and a measurement sample or the mass change of a sample can be measured in the heating process of a heating furnace 1, the mounting positions of the upper platinum disk 6 and the lower platinum disk 3 are vertical, and the fixed electric field and the alternating electric field can be more stable.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. Electric field differential thermal thermogravimetric analyzer, including heating furnace (1), its characterized in that: the differential thermal weight support rod (2) is installed at the bottom of the inner wall of the heating furnace (1), a lower platinum plate (3) is arranged on the outer surface of the differential thermal weight support rod (2), and a reference crucible (4) is arranged at the top of the differential thermal weight support rod (2).
2. The electric field differential thermal thermogravimetric analyzer of claim 1, wherein: and a measuring crucible (5) is arranged at the top of the differential thermal weight support rod (2).
3. The electric field differential thermal thermogravimetric analyzer of claim 1, wherein: an upper platinum disk (6) is arranged in the heating furnace (1).
4. The electric field differential thermal thermogravimetric analyzer of claim 3, wherein: the upper platinum disk (6) and the lower platinum disk (3) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742507.0U CN217717383U (en) | 2022-07-08 | 2022-07-08 | Differential thermal thermogravimetric analyzer for electric field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742507.0U CN217717383U (en) | 2022-07-08 | 2022-07-08 | Differential thermal thermogravimetric analyzer for electric field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217717383U true CN217717383U (en) | 2022-11-01 |
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ID=83778081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221742507.0U Active CN217717383U (en) | 2022-07-08 | 2022-07-08 | Differential thermal thermogravimetric analyzer for electric field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217717383U (en) |
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2022
- 2022-07-08 CN CN202221742507.0U patent/CN217717383U/en active Active
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230911 Address after: 100000 No. 9-2, Qiangyun Road, Economic Development Zone, Miyun District, Beijing Patentee after: Beijing eternal Experimental Equipment Co.,Ltd. Address before: 101500 106, floor 1, building 2, yard 9, Qiangyun Road, Miyun District, Beijing Patentee before: Beijing Hengjiu Instrument Manufacturing Co.,Ltd. |