Gas/air ratio control apparatus for a temperature control loop for gas appliances
    2.
    发明公开
    Gas/air ratio control apparatus for a temperature control loop for gas appliances 失效
    Regelvorrichtung des Gas-Luftverhältnissesfüreinen Temperaturregelkreis einesGasgerätes。

    公开(公告)号:EP0626541A1

    公开(公告)日:1994-11-30

    申请号:EP94108252.1

    申请日:1994-05-27

    发明人: Versluis, Marius

    IPC分类号: F23N1/02

    摘要: The invention relates to a gas/air ratio control apparatus for a temperature control loop for household gas appliances, in particular for domestic/direct hot water units and combined direct hot water/central heating units, for temperature control of domestic and/or heating water. The invention is particularly suitable for household appliances up to 120 KW. The gas/air ratio control apparatus comprises a controllable fan (3) for supplying a predetermined air stream (2-2) to a burner (4) in dependence on the detected actual temperature (T Actual ) and the desired target temperature (T Target ) of the heating and/or domestic hot water; and a pressure-controllable valve (8) for controlling the supply of a specified fuel quantity (1) to the burner (4) in dependency exclusively on the absolute pressure of the air stream (2-2) produced by the controllable fan (3). The inventive temperature control apparatus operates in an air/fuel regulating range of 20% to 100%, the controllable valve (8) supplying a fuel quantity (1) to the burner (4) having a pressure at a ratio of 1:1 to the absolute pressure of the air stream (2-2) produced by the controllable fan (3). The system uses only one pressure sensing line (11) and can always be brought into a safe condition when faults appear in the burner (4).

    摘要翻译: 本发明涉及一种用于家用燃气用具的温度控制回路的气/空气比控制装置,特别是用于家用/直接热水装置和组合的直接热水/中央加热装置,用于家用和/或加热水的温度控制 。 本发明特别适用于高达120千瓦的家用电器。 气/空气比控制装置包括用于根据检测到的实际温度(TActual)和期望的目标温度(TTarget)将预定空气流(2-2)供应到燃烧器(4)的可控风扇(3) 加热和/或家用热水; 以及用于控制向燃烧器(4)供应特定燃料量(1)的压力可控阀(8),其仅依赖于由可控风扇(3)产生的空气流(2-2)的绝对压力 )。 本发明的温度控制装置在20%至100%的空气/燃料调节范围内操作,可控阀(8)向燃烧器(4)供应燃料量(1),其压力比为1:1至 由可控风扇(3)产生的空气流(2-2)的绝对压力。 该系统仅使用一根压力传感线(11),当燃烧器(4)中出现故障时,可以始终保持安全状态。