CN208833715U - A kind of thermal conductivity detector (TCD) - Google Patents
A kind of thermal conductivity detector (TCD) Download PDFInfo
- Publication number
- CN208833715U CN208833715U CN201820825569.5U CN201820825569U CN208833715U CN 208833715 U CN208833715 U CN 208833715U CN 201820825569 U CN201820825569 U CN 201820825569U CN 208833715 U CN208833715 U CN 208833715U
- Authority
- CN
- China
- Prior art keywords
- heating cavity
- conductance cell
- cell component
- chromatographic column
- shell
- 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
Links
Abstract
The utility model discloses a kind of thermal conductivity detector (TCD)s, a kind of thermal conductivity detector (TCD) includes conductance cell component, heating cavity, chromatographic column, shell and bottom plate, the shell is fixedly mounted on bottom plate, the conductance cell component, heating cavity and chromatographic column are respectively mounted inside the shell, the heating cavity is cylindrical shape, the conductance cell component is mounted on the bottom inside heating cavity, the chromatographic column is mounted on the outside of heating cavity, and around arrangement, air inlet pipe and an air outlet pipe is provided on the conductance cell component, the outlet of chromatographic column is connected with the air inlet pipe of conductance cell component, insulating layer is provided on the shell, temperature-sensitive element and iron core are provided in the bottom of the heating cavity.The conductance cell and chromatographic column of the utility model share heat block, reduce thermal conductivity detector (TCD) volume, and heating cavity is heated evenly using cylindrical shape.
Description
Technical field
The utility model is a kind of thermal conductivity detector (TCD), belongs to Thermal Conductivity field.
Background technique
Existing conductance cell and chromatographic column and non-shared heat block increase dead volume, and heating cavity uses non-cylindrical,
Uneven heating is even.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of thermal conductivity detector (TCD).
The utility model is achieved through the following technical solutions: a kind of thermal conductivity detector (TCD), including conductance cell component plus
Hot cavity, chromatographic column, shell and bottom plate, the shell are fixedly mounted on bottom plate, the conductance cell component, heating cavity and color
Spectrum column is respectively mounted inside the shell, and the heating cavity is cylindrical shape, and the conductance cell component is mounted on the bottom inside heating cavity
In portion, the chromatographic column is mounted on the outside of heating cavity, and be provided in arrangement, the conductance cell component air inlet pipe and
The outlet of escape pipe, chromatographic column is connected with the air inlet pipe of conductance cell component, and insulating layer, the heating chamber are provided on the shell
Temperature-sensitive element and iron core are provided in the bottom of body.
Further, the conductance cell component uses anticorrosion temperature-sensitive element, and the anticorrosion temperature-sensitive element includes platinum electricity
Resistance and corrosion-resistant coating, the corrosion-resistant coating are wrapped in platinum resistance, and corrosion-resistant coating uses silicate material.
Beneficial effect
The conductance cell and chromatographic column of the utility model share heat block, reduce thermal conductivity detector (TCD) volume, heating cavity is adopted
With cylindrical shape, it is heated evenly.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, conductance cell component, 2, heating cavity, 3, chromatographic column, 4, insulating layer, 5, shell, 6, air inlet pipe, 7, heat
Quick element, 8, iron core, 9, bottom plate, 10 escape pipes.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Referring to Fig. 1, the utility model provides a kind of thermal conductivity detector (TCD), including conductance cell component 1, heating cavity 2, chromatography
Column 3, shell 5 and bottom plate 9, the shell 5 are fixedly mounted on bottom plate 9, the conductance cell component 1, heating cavity 2 and chromatographic column
3 are installed in shell 5, and the heating cavity 2 is cylindrical shape, and the conductance cell component 1 is mounted on the bottom inside heating cavity 2
In portion, the chromatographic column 3 is mounted on the outside of heating cavity 2, and is provided with air inlet in arrangement, the conductance cell component 1
Pipe 6 and escape pipe 10, the outlet of chromatographic column 3 are connected with the air inlet pipe 6 of conductance cell component, are provided with insulating layer on the shell 5
4, temperature-sensitive element 7 and iron core 8 are provided in the bottom of the heating cavity 2.The conductance cell component 1 uses anticorrosion temperature-sensitive
Element, the anticorrosion temperature-sensitive element include platinum resistance and corrosion-resistant coating, and the corrosion-resistant coating is wrapped in platinum resistance, anticorrosion
Layer uses silicate material.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (2)
1. a kind of thermal conductivity detector (TCD), including conductance cell component, heating cavity, chromatographic column, shell and bottom plate, which is characterized in that institute
It states shell to be fixedly mounted on bottom plate, the conductance cell component, heating cavity and chromatographic column are respectively mounted inside the shell, the heating
Cavity is cylindrical shape, and the conductance cell component is mounted on the bottom inside heating cavity, and the chromatographic column is mounted on heating chamber
The outside of body, and air inlet pipe and an air outlet pipe, the outlet of chromatographic column and conductance cell are provided in arrangement, the conductance cell component
The air inlet pipe of component is connected, and insulating layer is provided on the shell, be provided in the bottom of the heating cavity temperature-sensitive element and
Iron core.
2. a kind of thermal conductivity detector (TCD) according to claim 1, which is characterized in that the conductance cell component is using anticorrosion warm
Quick element, the anticorrosion temperature-sensitive element include platinum resistance and corrosion-resistant coating, and the corrosion-resistant coating is wrapped in platinum resistance, anti-corrosion
It loses layer and uses silicate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820825569.5U CN208833715U (en) | 2018-05-31 | 2018-05-31 | A kind of thermal conductivity detector (TCD) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820825569.5U CN208833715U (en) | 2018-05-31 | 2018-05-31 | A kind of thermal conductivity detector (TCD) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833715U true CN208833715U (en) | 2019-05-07 |
Family
ID=66304881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820825569.5U Expired - Fee Related CN208833715U (en) | 2018-05-31 | 2018-05-31 | A kind of thermal conductivity detector (TCD) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554125A (en) * | 2018-05-31 | 2019-12-10 | 滕州市滕海分析仪器有限公司 | thermal conductivity detector, column chamber and installation process of column chamber |
-
2018
- 2018-05-31 CN CN201820825569.5U patent/CN208833715U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554125A (en) * | 2018-05-31 | 2019-12-10 | 滕州市滕海分析仪器有限公司 | thermal conductivity detector, column chamber and installation process of column chamber |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20210531 |