DISPOSITIVO Y METODO DE DETECCION DE NIVEL DE LIQUIDO.

    公开(公告)号:ES2261529T3

    公开(公告)日:2006-11-16

    申请号:ES02001046

    申请日:1994-09-22

    Applicant: ABBOTT LAB

    Abstract: Un sistema automático de detección de nivel de líquido (800) para detectar la presencia de líquido en un recipiente (819), incluyendo el sistema de detección de nivel de líquido (800): una sonda conductora eléctrica orientada verticalmente (806, 807) colocada encima del recipiente (819); una fuente de señal (824) conectada eléctricamente a la sonda (806, 807), energizando la fuente de señal (824) la sonda (806, 807) con una señal eléctrica y haciendo que la sonda (806, 807) transmita la señal eléctrica; una antena receptora (813, 810, 812) colocada debajo del recipiente (819) para recibir la señal eléctrica transmitida; medios (811, 841, 845) para analizar la señal eléctrica recibida con respecto a indicaciones de que la sonda (806, 807) ha contactado líquido en el recipiente (819); medios (808, 809) para transferir la señal eléctrica recibida de la antena receptora (813, 810, 812) a los medios analizadores (811, 841, 845); y medios para indicar que se ha detectado líquido, caracterizado porque el sistema de detección de nivel (800) incluye además medios para introducir y sacar verticalmente la sonda (806, 807) del recipiente (819); incluyendo los medios (811, 841, 845) para analizar la señal eléctrica recibida medios (841, 845) para detectar cambios en la amplitud de la señal recibida y medios (811) para medir la tasa del cambio de la amplitud de la señal recibida.

    7.
    发明专利
    未知

    公开(公告)号:ES2181724T3

    公开(公告)日:2003-03-01

    申请号:ES94929339

    申请日:1994-09-22

    Applicant: ABBOTT LAB

    Abstract: The invention relates to an automated liquid level sensing system for detecting the presence of liquid in a container, said liquid level sensing system comprising: a vertically oriented, electrically conductive probe positioned above said container; means for vertically moving said probe into and out of said container; a signal source electrically connected to said probe, said signal source energizing said probe with an electrical signal and causing said probe to transmit said electrical signal; a receiving antenna positioned below said container for receiving said transmitted electrical signal; means for analyzing said received electrical signal for indications that said probe has contacted liquid in said container; means for transferring said received electrical signal from said receiving antenna to said analyzing means; and means for indicating that liquid has been detected. Further, the invention also provides for a method for automatically detecting the presence of liquid in a container, said method comprising the steps of: vertically positioning an electrically conductive probe above said container; vertically moving said probe into and out of said container; electrically connecting a signal source to said probe, said signal source energizing said probe with an electrical signal and causing said probe to transmit said electrical signal; positioning a receiving antenna below said container for receiving said transmitted electrical signal; analyzing said received electrical signal for indications that said probe has contacted liquid in said container; transferring said received electrical signal from said receiving antenna to said analyzing means; and indicating that liquid has been detected.

Patent Agency Ranking