• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Summary Device for ensuring that negative pressure in tanks / cisterns is kept within established values, comprising a vacuum sensor (10), which emits signals to a programmable control unit (9) for maneuvering a damper (8) in a damper device (7) for regulating the negative pressure to established values. The control unit also contains programs with functions ft- Monitoring, exercise of the damper unit and alarm registration
    公开号:SE537407C2
    申请号:SE1400297
    申请日:2014-06-13
    公开日:2015-04-21
    发明作者:Jonas Pehrson
    申请人:Jonas Pehrson；
    IPC主号:
    专利说明:

    Technical field The invention relates to a device for ensuring that negative pressure in tanks / cisterns is kept within established values, including a vacuum sensor.
    State of the art The degree of filling varies in reservoirs / cisterns for water and other water shoes. Air is evacuated during filling and taken in during taming. Thoughts far e.g. heating systems have a relatively constant degree of filling and thus a constant liquid level as the amount of inflowing water directly flows into the circulation system. Such types of thoughts, however, require a high degree of certainty against harmful negative pressures. Various discharges occur in the form of air intakes which during normal operation are blocked with burst membranes, water columns in the form of water seals or spring-loaded safety valves. The problem is that spring-loaded safety valves and burst diaphragms cannot be manufactured for the I6ga negative pressures that most tanks and systems are dimensioned father. Loading with water layers is exposed to the risk of freezing and requires regular inspection in places that are often remote and black accessible. The filter-channeled ventilation duct present on all tanks is often affected by icing, whereby the inflowing air during taming is severely limited and negative pressure amounting to several tonnes per m2 can arise. This in any case leads to a collapse of the cistern with serious consequences of e.g. No interruptions in the distribution of drinking water. Since the consequences of a hayed are great, a high security is justified.
    TROUBLESHOOTING The invention solves the mentioned problems with the prior art in that it has the features stated in the following. It also solves the problems of monitoring and registering unplanned chute openings, activating components for air entry and exit (exercise) and indicating operational disturbances that are not noticeable in the distribution of the tank's contents.
    Figure drawing Figure 1 shows a tank / cistern with vacuum fuse and mandatory exhaust / supply air duct.
    Detailed description of the invention Figure 1 shows a tank / cistern system 1 fitted with the obligatory exhaust / supply air device 2 and inlet and outlet pipes 3,4. A device 5 for vacuum securing comprises an air duct 6 between the air-filled upper part of the tank / system and a throttle device 7 with a throttle 8, which is operated on a pneumatic, electric or electromagnetic scale. The throttle device is controlled by a programmable control unit 9, which receives signals from a vacuum sensor 10 placed in the air duct 6, alternatively in the non-liquid-filled space of the tank. If the sensor 10 indicates an impermissible negative pressure, it emits a signal to the control unit 9 which emits control signals to the throttle device to regulate the pressure in the tank / tank to a determined value. The control unit's program also contains functions for monitoring, exercising the damper unit and alarm registration. 1
    权利要求:
    Claims (2)
    [1]
    Device for ensuring that negative pressure in tanks / cisterns is kept within the established values when filling / emptying the contents, characterized in that a vacuum sensor (10) in an air duct (6) between the upper air-filled part of the tank tank and a throttle device (7) emits a signal to a programmable control unit (9) which emits signals to the throttle device to maneuver on a pneumatic, electric or electromagnetic wave a throttle (8) to regulate the negative pressure in the tank / tank to a determined value.
    [2]
    Device according to claim 1, characterized in that the programmable control unit (9) contains programs with functions for monitoring, exercising the damper unit and alarm registration. 2 i
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    同族专利:
    公开号 | 公开日
    SE1400297A1|2015-04-21|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1400297A|SE1400297A1|2014-06-13|2014-06-13|Device for ensuring that suppression in tanks / tanks is kept within established values including vacuum sensor|SE1400297A| SE1400297A1|2014-06-13|2014-06-13|Device for ensuring that suppression in tanks / tanks is kept within established values including vacuum sensor|
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