A METHOD FOR CONTROLLING PRESSURE AND OIL LEVEL IN AN OIL RECEIVER OF A VAPOUR COMPRESSIONS SYSTEM
    141.
    发明申请
    A METHOD FOR CONTROLLING PRESSURE AND OIL LEVEL IN AN OIL RECEIVER OF A VAPOUR COMPRESSIONS SYSTEM 审中-公开
    一种控制蒸汽压缩系统油接收器压力和油位的方法

    公开(公告)号:WO2017220702A1

    公开(公告)日:2017-12-28

    申请号:PCT/EP2017/065325

    申请日:2017-06-21

    Applicant: DANFOSS A/S

    Abstract: A method for controlling a valve arrangement (10) interconnecting at least one oil separator (8) and an oil receiver (9) in a vapour compression system (1) is disclosed. A pressure difference between a pressure prevailing inside the oil separator(s) (8) and a pressure prevailing inside the oil receiver (9) is obtained. Then a duration for an open time of an open/close sequence of the valve arrangement (10) is derived, based on the obtained pressure difference, and the valve arrangement (10) is controlled in accordance with the derived duration of an open time. The supply of oil to the oil receiver (9) can be accurately controlled, regardless of the operating conditions.

    Abstract translation: 公开了一种用于控制互连蒸气压缩系统(1)中的至少一个油分离器(8)和油接收器(9)的阀装置(10)的方法。 获得油分离器(8)内主要的压力与油接收器(9)内的压力之间的压力差。 然后基于所获得的压力差导出阀装置(10)的打开/关闭序列的打开时间的持续时间,并且根据导出的打开时间的持续时间来控制阀装置(10)。 无论操作条件如何,均可精确控制机油供应(9)的供油量。

    VALVE ARRANGEMENT AND DIAPHRAGM ASSEMBLY FOR A VALVE ARRANGEMENT
    142.
    发明申请
    VALVE ARRANGEMENT AND DIAPHRAGM ASSEMBLY FOR A VALVE ARRANGEMENT 审中-公开
    用于阀门布置的阀门安装和隔膜组装

    公开(公告)号:WO2017137395A1

    公开(公告)日:2017-08-17

    申请号:PCT/EP2017/052641

    申请日:2017-02-07

    Applicant: DANFOSS A/S

    CPC classification number: F16K31/404

    Abstract: The present invention relates to a valve arrangement (1) comprising a valve housing (2), a valve inlet (3), a valve outlet (4) and a diaphragm assembly for controlling a fluid flow through the valve housing (2) from the valve inlet (3) to the valve outlet (4), the diaphragm assembly comprising a diaphragm (5) and a diaphragm plate (6) at least partially covering the diaphragm (5), the diaphragm (5) comprising one or more equalization holes (13) passing through the diaphragm (5) and the diaphragm plate (6) comprising one or more equalization openings (12) passing through the diaphragm plate (6), the equalization holes (13) being aligned with the equalization openings (12). According to the invention, the diaphragm assembly comprises an engagement zone engaging the diaphragm (5) in order to rotationally fix the diaphragm (5) and the diaphragm plate (6) with respect to each other. This has the effect that the equalization holes (13) will keep aligned with the equalization openings (12). Thus, proper function of the valve arrangement (1) is ensured at all times. Furthermore, the invention relates to a diaphragm assembly for a valve arrangement (1) as described above.

    Abstract translation: 本发明涉及一种包括阀壳体(2),阀入口(3),阀出口(4)和隔膜组件的阀装置(1),所述隔膜组件用于控制流体流过 从所述阀入口(3)到所述阀出口(4)的所述阀壳体(2),所述隔膜组件包括隔膜(5)和至少部分地覆盖所述隔膜(5)的隔膜板(6),所述隔膜 5)包括穿过所述隔膜(5)和所述隔膜板(6)的一个或多个均衡孔(13),所述均衡孔包括穿过所述隔膜板(6)的一个或多个均衡开口(12),所述均衡孔 与均衡开口(12)对齐。 根据本发明,隔膜组件包括与隔膜(5)接合的接合区域,以便将隔膜(5)和隔膜板(6)相对于彼此旋转地固定。 这具有均衡孔(13)将与均衡开口(12)保持对齐的效果。 因此,始终确保阀装置(1)的适当功能。 此外,本发明涉及如上所述的用于阀装置(1)的隔膜组件。

    CAPSULE FOR A VALVE AND VALVE
    143.
    发明申请
    CAPSULE FOR A VALVE AND VALVE 审中-公开
    阀门和阀门的胶囊

    公开(公告)号:WO2017118637A1

    公开(公告)日:2017-07-13

    申请号:PCT/EP2017/050093

    申请日:2017-01-03

    Applicant: DANFOSS A/S

    CPC classification number: F16K27/0236 F16K17/085

    Abstract: The invention relates to a capsule for a valve as well as to a valve comprising such a capsule. The task of the present invention is to provide a valve in which tight tolerances for construction can be achieved and the assembly of the valve is simplified. According to the present invention the above task is solved by a capsule (1) for a valve comprising at least one diaphragm (2), a valve seat (3), a capsule inlet (5) and a capsule outlet (6). The valve seat (3) is openable and closable to permit or stop a fluid flow from the capsule inlet (5) to the capsule outlet (6). The above task is also solved by a capsule (1) for a valve that comprises at least one diaphragm (2), a valve seat (3), a capsule inlet (5) and a capsule outlet (6), wherein the capsule (1) is structured and arranged to control the position of a pilot valve element external to the capsule (1). The above task is also solved by a valve (10) comprising a valve housing (15), wherein a capsule (1) of the above kind is arranged in the valve housing (15).

    Abstract translation: 本发明涉及一种用于阀的胶囊以及包括这种胶囊的阀。 本发明的任务是提供一种阀,其中可以实现用于构造的紧公差,并且阀的组装被简化。 根据本发明,上述任务通过用于包括至少一个隔膜(2),阀座(3),胶囊入口(5)和胶囊出口(6)的阀的胶囊(1)来解决。 阀座(3)可打开和关闭以允许或阻止从胶囊入口(5)到胶囊出口(6)的流体流动。 上述任务还通过用于包括至少一个隔膜(2),阀座(3),胶囊入口(5)和胶囊出口(6)的阀的胶囊(1)来解决,其中胶囊 1)被构造和布置成控制胶囊(1)外部的导向阀元件的位置。 上述任务也通过包括阀壳体(15)的阀(10)来解决,其中上述类型的容器(1)布置在阀壳体(15)中。

    EXPANSION VALVE AND VAPOUR COMPRESSION SYSTEM
    145.
    发明申请
    EXPANSION VALVE AND VAPOUR COMPRESSION SYSTEM 审中-公开
    膨胀阀和蒸气压缩系统

    公开(公告)号:WO2017063902A1

    公开(公告)日:2017-04-20

    申请号:PCT/EP2016/073432

    申请日:2016-09-30

    Applicant: DANFOSS A/S

    CPC classification number: F25B41/062 F25B2341/0651 Y02B30/72

    Abstract: An expansion valve (2) for a vapour compression system (1) and a vapour compression system (1) are disclosed. The expansion valve (1) comprises a valve element (9), a valve seat (13) as well as a biasing member (12). The valve element (9) and the valve seat (13) are arranged in a first fluid passage (6) of the expansion valve (2). The expansion valve (2) further comprises a shape memory alloy actuator (17) that exerts a force on the valve element towards an open valve position when the shape memory alloy actuator is heated by an electric current. The object of the invention is to provide an expansion valve for a vapour compression system of the above type that maybe controlled externally but is also self-regulating. To this end the shape memory alloy actuator (17) is arranged in a second fluid passage (7) of the expansion valve (2), wherein the shape memory alloy actuator (17) is arranged to be in thermal contact with the fluid in the second fluid passage (7), such that the shape memory alloy actuator also actuates the valve element (9) towards a closed valve position when the shape memory actuator (17) is cooled by the fluid in the second fluid passage (7).

    Abstract translation: 公开了一种用于蒸气压缩系统(1)和蒸气压缩系统(1)的膨胀阀(2)。 膨胀阀(1)包括阀元件(9),阀座(13)以及偏置构件(12)。 阀元件(9)和阀座(13)布置在膨胀阀(2)的第一流体通道(6)中。 膨胀阀(2)还包括形状记忆合金促动器(17),当形状记忆合金促动器被电流加热时,​​形状记忆合金促动器(17)朝着打开的阀位置施加作用在阀元件上的力。 本发明的目的是提供一种用于上述类型的蒸汽压缩系统的膨胀阀,其可以在外部进行控制,但也是自我调节的。 为此,形状记忆合金致动器(17)布置在膨胀阀(2)的第二流体通道(7)中,其中形状记忆合金致动器(17)布置成与 当形状记忆致动器17被第二流体通道7中的流体冷却时,形状记忆合金致动器也朝向闭合的阀位置致动阀元件9。 / p>

    VALVE
    146.
    发明申请
    VALVE 审中-公开

    公开(公告)号:WO2017029073A1

    公开(公告)日:2017-02-23

    申请号:PCT/EP2016/067641

    申请日:2016-07-25

    Applicant: DANFOSS A/S

    CPC classification number: F16K31/404

    Abstract: The invention relates to a valve (1) comprising a main valve (2), a pilot valve (3), a housing (4), an inlet (5) and an outlet (8). Opening and closing of the main valve (2) is controlled by the pilot valve (3). A pilot valve seat (10) is arranged in a diaphragm (6). A pilot chamber (11) is arranged in the housing (4) separated from the inlet (5) and the outlet (8) by the diaphragm (6). Task of the invention is to provide a valve with a lower cost. According to the invention a support member (17) supports the diaphragm (6), wherein the support member (17) is guided in the housing, and wherein a radial gap (26) is arranged between the radially outer end of the diaphragm (6) and the housing (4) in a radial direction perpendicular to the opening direction of the pilot valve (3). Thereby, a cheaper, less resistant material for the diaphragm can be used.

    Abstract translation: 本发明涉及包括主阀(2),先导阀(3),壳体(4),入口(5)和出口(8)的阀(1)。 主阀(2)的打开和关闭由先导阀(3)控制。 导向阀座(10)布置在隔膜(6)中。 引导室(11)布置在通过隔膜(6)与入口(5)和出口(8)分离的壳体(4)中。 本发明的任务是提供一种成本较低的阀门。 根据本发明,支撑构件(17)支撑隔膜(6),其中支撑构件(17)被引导到壳体中,并且其中径向间隙(26)布置在隔膜(6)的径向外端之间 )和壳体(4)在垂直于先导阀(3)的打开方向的径向方向上。 因此,可以使用用于隔膜的更便宜,更小的耐受材料。

    PILOT VALVE ARRANGEMENT
    147.
    发明申请
    PILOT VALVE ARRANGEMENT 审中-公开
    导阀安装

    公开(公告)号:WO2017028974A1

    公开(公告)日:2017-02-23

    申请号:PCT/EP2016/061872

    申请日:2016-05-26

    Applicant: DANFOSS A/S

    CPC classification number: F16K17/06 F16K15/025 F16K31/04 F16K31/088

    Abstract: The invention relates to a pilot valve arrangement (1) comprising a pilot valve device (2) which comprises a pilot valve element (13), a pilot valve seat (14) cooperating with the pilot valve element (13) and a presetting mechanism for presetting an opening pressure of the pilot valve element (13), the pilot valve arrangement (1) further comprising a presetting mechanism actuating device (3) which comprises an actuator element (17) adapted to create an actuating force in order to actuate the presetting mechanism in the pilot valve device so as to preset the opening pressure. According to the invention, the pilot valve arrangement (1) comprises a contactless force coupling arrangement adapted to transfer the actuating force from the presetting mechanism actuating device (3) to the pilot valve device (2). An inventive pilot valve device (2) is disclosed and claimed as well. The invention allows to improve maintenance and safety concerning the devices mentioned above.

    Abstract translation: 本发明涉及一种先导阀装置(1),其包括先导阀装置(2),其包括先导阀元件(13),与先导阀元件(13)配合的先导阀座(14)和预调机构 所述先导阀装置(1)还包括预调机构致动装置(3),所述预调机构致动装置(3)包括适于产生致动力的致动器元件(17),以便致动所述预调 机构,以预设开启压力。 根据本发明,先导阀装置(1)包括非接触力联接装置,其适于将预调机构致动装置(3)的致动力传递到先导阀装置(2)。 本发明还提出了一种创新的先导阀装置(2)。 本发明允许提高上述装置的维护和安全性。

    A METHOD FOR CONTROLLING A SUPPLY OF REFRIGERANT TO AN EVAPORATOR INCLUDING CALCULATING A REFERENCE TEMPERATURE
    149.
    发明申请
    A METHOD FOR CONTROLLING A SUPPLY OF REFRIGERANT TO AN EVAPORATOR INCLUDING CALCULATING A REFERENCE TEMPERATURE 审中-公开
    用于控制向蒸发器供应制冷剂的方法,包括计算参考温度

    公开(公告)号:WO2016091420A1

    公开(公告)日:2016-06-16

    申请号:PCT/EP2015/073232

    申请日:2015-10-08

    Applicant: DANFOSS A/S

    Abstract: A method for controlling a supply of refrigerant to an evaporator (2) of a vapour compression system (1) is disclosed. During a system identification phase an opening degree (12) of the expansion valve (3) is alternatingly increased and decreased, and a maximum temperature difference, (S 4 -S 2 ) max , between temperature, S 4 , of air flowing away from the evaporator (2) and temperature, S 2 , of refrigerant leaving the evaporator (2) is determined. During normal operation, the supply of refrigerant to the evaporator (2) is controlled by calculating a reference temperature, S 2,ref , based on the monitored temperature, S 4 , and the maximum temperature difference, (S 4 -S 2 ) max , determined during the system identification phase. The supply of refrigerant to the evaporator (2) is controlled in order to obtain a temperature, S 2 , of refrigerant leaving the evaporator (2) which is substantially equal to the calculated reference temperature, S 2,ref .

    Abstract translation: 公开了一种用于控制向蒸汽压缩系统(1)的蒸发器(2)供应制冷剂的方法。 在系统识别阶段期间,膨胀阀(3)的开度(12)交替地增加和减小,并且在从蒸发器流出的空气的温度(S4)之间的最大温差(S4-S2)max 2)并且确定离开蒸发器(2)的制冷剂的温度S2。 在正常操作期间,通过基于所监视的温度S4和最大温差(S4-S2)max计算基准温度S2,ref来控制向蒸发器(2)的供应。 系统识别阶段 控制向蒸发器(2)供应制冷剂以便获得离开蒸发器(2)的制冷剂的温度S2基本上等于所计算的参考温度S2,ref。

    A METHOD FOR OPERATING AT LEAST ONE DISTRIBUTED ENERGY RESOURCE COMPRISING A REFRIGERATION SYSTEM
    150.
    发明申请
    A METHOD FOR OPERATING AT LEAST ONE DISTRIBUTED ENERGY RESOURCE COMPRISING A REFRIGERATION SYSTEM 审中-公开
    一种运行至少一个包含制冷系统的分布式能源资源的方法

    公开(公告)号:WO2016079686A1

    公开(公告)日:2016-05-26

    申请号:PCT/IB2015/058917

    申请日:2015-11-18

    Applicant: DANFOSS A/S

    Inventor: GREEN, Torben

    Abstract: The invention relates to a method of operating at least one distributed energy resource comprising a refrigeration system (1) with a number of cooling entities, wherein a power consumption information is communicated to a smart-grid setup (SG). According to the invention the method comprises the steps of: - requesting (S0) a power consumption information from the refrigeration system; - transmitting (S1) the power consumption information from the refrigeration system (1), wherein a total amount of power consumption (Pmin, Pmax) of the refrigeration system (1) is provided; wherein: - a cooling capacity (dQ/dt_i) of at least one cooling entity is determined wherein an entity operation condition (CE) of the cooling entity (E1, E2) is taken into account (D1); - a power consumption (W_i) of at least one cooling entity (E1, E2) is determined from the cooling capacity (dQ/dt_i) wherein a performance estimation (COP) of a refrigeration cycle for the cooling entity (E1, E2) is taken into account (D2); - providing (D3) the total amount of power consumption (Pmin, Pmax) as a sum of power consumptions (W_i) of at least the one cooling entity of the number of cooling entities (E1, E2), in particular as a sum of relevant power consumptions of the number of cooling entities (E1, E2), - receiving (S2) at the refrigeration system (1) a power reference (Wref) from the smart-grid setup (SG). The method presented enables power control of a centralized refrigeration system in a smart-grid setup where an aggregator provides the power reference. In addition, the method also enables the refrigeration system to improve determining flexibility margins beyond absolute max./min values of nominal and zero.

    Abstract translation: 本发明涉及一种操作至少一个分布式能源的方法,包括具有多个冷却实体的制冷系统(1),其中功率消耗信息被传送到智能电网设备(SG)。 根据本发明,该方法包括以下步骤: - 从制冷系统请求(S0)功耗信息; - 从制冷系统(1)传送(S1)功耗信息,其中提供制冷系统(1)的总功耗(Pmin,Pmax); 其中: - 确定至少一个冷却实体的冷却能力(dQ / dt_i),其中考虑冷却实体(E1,E2)的实体操作条件(CE)(D1); - 从冷却能力(dQ / dt_i)确定至少一个冷却实体(E1,E2)的功率消耗(W_i),其中冷却实体(E1,E2)的制冷循环的性能估计(COP)为 考虑(D2); - 提供(D3)作为冷却实体的数量(E1,E2)的至少一个冷却实体的功率消耗(W_i)之和的总功耗消耗量(Pmin,Pmax),特别是作为 制冷系统数量(E1,E2)的相关功耗, - 制冷系统接收(S2)(1)智能电网设置(SG)的功率参考(Wref)。 所提出的方法能够在集线器提供功率参考的智能电网设置中对集中式制冷系统进行功率控制。 此外,该方法还使得制冷系统能够改善超出标称值和零值的绝对最大/最小值的灵活性余量。

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