Pressure sensor
A pressure sensor comprises: a housing defining a mounting cavity, the housing being provided with a pressure introduction channel of which one end of the inner side is communicated to the mounting cavity; the pressure sensitive element is positioned in the mounting cavity and is hermetically fixed...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A pressure sensor comprises: a housing defining a mounting cavity, the housing being provided with a pressure introduction channel of which one end of the inner side is communicated to the mounting cavity; the pressure sensitive element is positioned in the mounting cavity and is hermetically fixed at one end of the inner side of the pressure introduction channel; the supporting seat is located in the mounting cavity, the lower end of the supporting seat is fixed to the inner side of the shell, and a containing hole for containing the pressure sensitive element is formed in the supporting seat; the first circuit board is fixed on the upper side of the supporting seat and is electrically connected to the pressure sensitive element; the second circuit board is fixed on the lower side of the supporting seat and is provided with a via hole allowing the pressure sensitive element to pass up and down; the upper ends and the lower ends of the electric contact springs are electrically contacted with the first circuit |
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