Method for connecting a diaphragm to a sensor housing

摘要

A method is provided for connecting a diaphragm to a housing of a pressure or force sensor, wherein a measurement element is attached in the housing and can capture a load acting from the outside onto the diaphragm during the use of the finished sensor. A housing ring surface or the housing is situated opposite a diaphragm ring surface of the diaphragm, which are subjected to compressive loading by the load during use of the sensor. A first connection is produced in an inner region between the housing ring surface and the diaphragm ring surface until they rest against each other radially outside the first connection. Then a second connection connects the housing ring surface and the diaphragm ring surface to one another radially outside the first connection up to a shared outer edge. Here, a defined connection depth of the entire double connection is maintained.

主权项

1. A method for connecting a diaphragm to a housing of a pressure or force sensor, the housing having a housing ring surface, wherein
a measurement element is mounted in the housing, the element, when the finished sensor is deployed, can register an external load acting on the diaphragm, and wherein the housing ring surface of the housing is located opposite a diaphragm ring surface of the diaphragm so as to effect a connection between these surfaces, which, when the sensor is deployed, the connection is subjected to pressure, wherein, in the first instance a first connection is manufactured in an inner region between the housing ring surface and the diaphragm ring surface, until these surfaces abut against each other radially outside of this first connection, and wherein, subsequently a second connection is manufactured between the housing ring surface and the diaphragm ring surface, which connects the housing and the diaphragm with one another radially outside of the first connection as far as the outer common edge between the housing ring surface and the diaphragm ring surface, wherein a defined connection depth “d” is maintained equal to the radial distance occupied by the whole first connection plus the whole second connection and any radial distance between the first and second connections.