ICE AND LIQUID DETECTOR
    31.
    发明公开
    ICE AND LIQUID DETECTOR 失效
    探测器冰和液体

    公开(公告)号:EP0766815A4

    公开(公告)日:1999-06-16

    申请号:EP95921656

    申请日:1995-06-13

    摘要: PCT No. PCT/AU95/00345 Sec. 371 Date Dec. 18, 1996 Sec. 102(e) Date Dec. 18, 1996 PCT Filed Jun. 13, 1995 PCT Pub. No. WO95/35493 PCT Pub. Date Dec. 28, 1995A detector for detecting the presence of ice, water, mist, frost or other solids or liquids on a sensing surface is provided. The sensing surface is provided by a medium substantially transparent to electromagnetic radiation and solids or liquids are deposited on the surface. A transmitter directs radiation onto the surface and a receiver is responsive to radiation reflected from the surface. A discriminator circuit receivers an output from the receiver and provides an output indicative of whether a solid or a liquid is present on the surface.

    Device for detecting frost formation and for eliminating it by heating, particularly for domestic refrigerator evaporators
    33.
    发明公开
    Device for detecting frost formation and for eliminating it by heating, particularly for domestic refrigerator evaporators 失效
    固定装置埃伦的冰形成并通过加热冰除去,特别是对于家用冰箱蒸发器

    公开(公告)号:EP0787961A2

    公开(公告)日:1997-08-06

    申请号:EP97100406.4

    申请日:1997-01-13

    IPC分类号: F25D21/02 F25D21/08

    摘要: The device measures and monitors the extent of frost formed on the evaporator (4) and provides for its defrosting only when necessary.
    For this purpose there are provided flat resistive elements (A,B) applied to an electrically insulating flexible substrate (1). The resistive elements (A,B) are positioned spaced apart beside each other so as to form the plates of a capacitor. Contactors (6,7) are provided enabling the resistive elements (A,B) to be converted into the plates of a capacitor, which is powered by an oscillator.

    摘要翻译: 所述装置测量和监控霜形成在蒸发器(4)的程度,并提供了其只有除霜当是必要的。 为了这个目的,提供了适用于平的电阻元件(A,B)在电绝缘柔性基板(1)。 电阻元件(A,B)隔开海誓山盟旁边定位,以便形成电容器的板。 接触器(6,7)被提供从而使电阻元件(A,B)被转换成一个电容器的板,所有这一切是通过在振荡器供电。

    Electronically Controlled Beverage Dispenser
    35.
    发明公开
    Electronically Controlled Beverage Dispenser 失效
    Elektronisch gesteuerterGetränkespender。

    公开(公告)号:EP0644387A1

    公开(公告)日:1995-03-22

    申请号:EP94306908.8

    申请日:1994-09-21

    IPC分类号: F25D21/02 F25D31/00

    摘要: An electronic control for the operation of a beverage dispenser of the refrigerated ice bank type (50) is shown. The control provides for reliable determinations of when ice production is needed and when it is not needed. A microprocessor (140) receives information from an ice bank probe (70) and from a temperature probe (72) located within the ice bank (53). Data collected by the microprocessor (140) from both the ice bank probe (70) and the temperature probe (72) is used to determine if the ice bank is either insufficient in size and should be increased or is of sufficient size such that the compressor (61) can be turned off. A carbonator level probe (38) is also shown and connected to the microprocessor (140). The microprocessor is programmed whereby the carbonator probes are sampled in a manner to accurately determine the level of water in the carbonator (10) and therefore the need for turning on or turning off any water pump (59) connected thereto. Both the operation of the compressor (61) and the water pump (59) are controlled by the microprocessor (140) wherein the programming thereof provides for adequate hysteresis protection so that short cycling of the compressor and water pump is avoided.

    摘要翻译: 示出了用于操作冷藏冰库型(50)的饮料分配器的电子控制装置。 该控制提供了当需要制冰以及不需要时可靠地确定。 微处理器(140)从冰块探测器(70)和位于冰块(53)内的温度探测器(72)接收信息。 使用来自冰块探针(70)和温度探测器(72)的微处理器(140)收集的数据来确定冰块的大小是否不足,并且应该增加或具有足够的尺寸,使得压缩机 (61)可以关闭。 还示出了碳酸化器水平探头(38)并连接到微处理器(140)。 对微处理器进行编程,由此碳酸化器探针被采样以便精确地确定碳酸化器(10)中的水位,因此需要接通或关闭与其连接的任何水泵(59)。 压缩机(61)和水泵(59)的操作都由微处理器(140)控制,其中其编程提供足够的滞后保护,从而避免了压缩机和水泵的短暂循环。

    Heat pump with adaptive frost determination function
    36.
    发明公开
    Heat pump with adaptive frost determination function 失效
    具有自适应FROST决定功能的热泵

    公开(公告)号:EP0364238A3

    公开(公告)日:1991-02-06

    申请号:EP89310391.1

    申请日:1989-10-11

    申请人: HONEYWELL INC.

    IPC分类号: F25D21/02 F25B47/02

    摘要: In an adaptive method and apparatus for detecting the formation of frost in a heat pump, the compressor cycle is interrupted and a defrosting operation is begun if the difference between the exterior ambient temperature and exterior heat exchanger temperature exceeds a difference function of the exterior ambient temperature. The length of this defrosting cycle is measured and the difference function is altered if the measured length deviates from a predetermined length of time. The frost formation difference function is initially set as a linear approximation Thereafter the difference function value at the particular exterior ambient temperature is increased if the length of the defrosting is greater than an upper limit value of six minutes and decreased if the length the defrosting is less than a lower limit value of four minutes.

    摘要翻译: 在用于检测热泵中的霜的形成的自适应方法和装置中,如果外部环境温度和外部热交换器温度之间的差超过外部环境温度的差异函数,则压缩机循环被中断并开始除霜操作 。 如果测量的长度偏离预定的时间长度,则测量该除霜循环的长度并且改变差异函数。 霜冻形成差异函数最初设置为线性近似。此后,如果除霜长度大于六分钟的上限值,则在特定外部环境温度下的差异函数值增加,如果解冻时间长度减小 比下限值为4分钟。

    Defrosting control apparatus
    37.
    发明公开
    Defrosting control apparatus 失效
    破坏控制装置

    公开(公告)号:EP0017458A3

    公开(公告)日:1980-12-10

    申请号:EP80301000

    申请日:1980-03-31

    IPC分类号: F25D21/02 F25D21/00

    CPC分类号: F25D21/002 F25D21/02

    摘要: The accumulation of ice on a surface such as an evaporator fin (2) in a refrigerator unit is detected by a mechanical probe (4) which is moved by a bimetal bender element (8) upon periodic timer-controlled energisation of a bimetal heater (12) so as to pass over the surfaces of an evaporator fin (2). If the movement of the probe is obstructed by ice on the evaporator fin surfaces a switch (24) is operated by a bistable mechanism (16, 18, 19), causing energisation of a defrosting heater (25) and switching off the refrigerator compressor motor (C). If no ice is detected the probe (4) returns to its original reset position without operating the defrost control switch (24).