公开(公告)号：EP1790964A1

公开(公告)日：2007-05-30

申请号：EP06123975.2

申请日：2006-11-14

申请人： Sensata Technologies Holland B.V.

发明人： Kölling, Arie-Jan ,  Borgers, Marc Gerard Johan ,  Zwollo, Cris Ruiz ,  Appelo, Appelo ,  Gennissen, Paulus Thomas Johannes ,  Kleissen, Werner John Peter

IPC分类号： G01L19/00 ,  G01D11/30 ,  G01L19/04

CPC分类号： G01L9/0052 ,  G01D11/245 ,  G01D21/02 ,  G01K13/02 ,  G01K2201/02 ,  G01L9/006 ,  G01L19/0092 ,  G01L19/148

摘要： A sensor arrangement (1) for measuring a pressure and a temperature in a fluid is disclosed. The sensor arrangement (1) comprises a temperature sensitive electrical element (3) and a pressure sensing electrical element (6), the temperature sensitive electrical element (3) and pressure sensing electrical element (6) are both coupled to one side of a metallic membrane structure (4,16). The metallic membrane structure is arranged to pass on the temperature of the fluid which is at the other side of the membrane structure (4,16) to the temperature sensitive electrical element (3) and to pass on the pressure in the fluid to the pressure sensing electrical element (6). The membrane structure comprises an elongated body (16). At a closed end (15) of the elongated body is located the temperature sensitive electrical element (3). The pressure sensitive structure (4) is located at the opposite end (17) of the elongated body. The opposite end is open. The pressure sensitive structure (4) is circular and comprises a hole (7) in the centre. The opposite end (17) of the elongated body is hermetically connected to the pressure sensitive structure, forming thereby an axisymetric membrane structure such that the part for measuring the temperature (16) transmits the pressure to the pressure sensing membrane (4) on which it is mounted. Both sensitive elements are protected. In this way a combined pressure and temperature sensor is obtained which is applicable in vehicle air-conditioning systems working with CO 2 as refrigerant.

摘要翻译： 公开了一种用于测量流体中的压力和温度的传感器装置（1）。 传感器装置（1）包括温度敏感电气元件（3）和压力检测电气元件（6），温度敏感电气元件（3）和压力感测电气元件（6）都耦合到金属 膜结构（4,16）。 金属膜结构被布置成将膜结构（4,16）的另一侧的流体的温度传递到温度敏感的电气元件（3），并将流体中的压力传递到压力 感测电气元件（6）。 膜结构包括细长体（16）。 细长体的封闭端（15）位于感温电元件（3）上。 压敏结构（4）位于细长体的相对端（17）处。 相反的一端是开放的。 压敏结构（4）是圆形的并且包括在中心的孔（7）。 细长体的相对端（17）与压力敏感结构气密连接，从而形成一个轴线测量膜结构，使得用于测量温度的部分（16）将压力传递到压力传感膜（4）上 被安装。 两个敏感元素都受到保护。 以这种方式获得组合的压力和温度传感器，其适用于使用CO 2作为制冷剂的车辆空调系统。