Double-wire TCD detector
The utility model discloses a double-wire TCD detector which comprises a thermal conductivity cell body, a cylindrical hole is formed in the middle of the side face of the thermal conductivity cell body, and a heating rod and a PT are placed in the hole. The top and the bottom of the thermal conduct...
Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The utility model discloses a double-wire TCD detector which comprises a thermal conductivity cell body, a cylindrical hole is formed in the middle of the side face of the thermal conductivity cell body, and a heating rod and a PT are placed in the hole. The top and the bottom of the thermal conductivity cell body are respectively connected with a metal upper cover and a metal lower cover through fasteners, thermistor placing grooves extending to the metal upper cover and the metal lower cover are respectively formed in the centers of the top and the bottom of the thermal conductivity cell body, gas path channels are respectively formed in two sides of the thermistor placing grooves, and the gas path channels are externally connected with gas path pipes; thermosensitive elements are respectively placed in the thermistor placing grooves of the metal upper cover and the metal lower cover, the thermosensitive elements in the metal upper cover and the metal lower cover are symmetrically arranged, and the thermose |
|---|