公开(公告)号：WO2018192827A1

公开(公告)日：2018-10-25

申请号：PCT/EP2018/059330

申请日：2018-04-11

Applicant: DANFOSS A/S

Inventor： LUCKMANN, Ejnar ,  JENSEN, Lars

IPC: H04L12/28 ,  H04L29/08 ,  G05B19/418

Abstract: A control system (1) for controlling a cooling system comprising two or more cooling entities (2) is disclosed. The control system comprises a central control unit (3), two or more entity controllers (4), each entity controller (4) being associated with one of the cooling entities (2), and each entity controller (4) being provided with a nearfield communication interface (6) allowing communication between the entity controller (4) and a portable device (7), via a nearfield communication channel, and a secured communication network (5) connecting the central control unit (3) with each of the entity controllers (4). The central control unit (3) is configured to generate blocking signals and/or unblocking signals and communicate the blocking signals and/or unblocking signals to each of the entity controllers (4), via the secured communication network (5). Each of the entity controllers (4) is configured to block and/or unblock the nearfield communication interface (6), in accordance with received blocking signals and/or unblocking signals.

公开(公告)号：EP3613180A1

公开(公告)日：2020-02-26

申请号：EP18717051.9

申请日：2018-04-11

Applicant: Danfoss A/S

Inventor： LUCKMANN, Ejnar ,  JENSEN, Lars

IPC: H04L12/28 ,  H04L29/08 ,  G05B19/418

公开(公告)号：WO2016062430A1

公开(公告)日：2016-04-28

申请号：PCT/EP2015/069263

申请日：2015-08-21

Applicant: DANFOSS A/S

Inventor： CAI, Junping ,  JENSEN, Hans Jørgensen ,  JENSEN, Lars

IPC: F25B49/02

CPC classification number: F25B49/022 ,  F25B41/043 ,  F25B41/062 ,  F25B49/02 ,  F25B2600/01 ,  F25B2600/21 ,  F25B2600/2513 ,  F25B2700/1933 ,  F25B2700/21173

Abstract: A method for controlling a vapour compression system, in particular an opening degree of an expansion valve. According to a first control strategy, the expansion valve is closed until the superheat value has increased above a lower threshold superheat value. According to a second control strategy, the expansion valve is kept open until the suction pressure has increased above a lower threshold suction pressure value. In the case of low superheat value as well as low suction pressure, the second control strategy is selected for a limited period of time.

Abstract translation: 一种用于控制蒸气压缩系统的方法，特别是膨胀阀的开度。 根据第一控制策略，关闭膨胀阀直到过热值增加到低于阈值过热值以下。 根据第二控制策略，膨胀阀保持打开直到吸入压力增加到低于阈值吸入压力值以下。 在低过热值和低吸力的情况下，选择第二控制策略有限的时间。

公开(公告)号：WO2014029402A1

公开(公告)日：2014-02-27

申请号：PCT/DK2013/050236

申请日：2013-07-11

Applicant: DANFOSS A/S

Inventor： IZADI-ZAMANABAD, Roozbeh ,  JENSEN, Hans Joergen ,  JENSEN, Lars

IPC: F25B49/02

CPC classification number: F25B1/00 ,  F25B49/02 ,  F25B2345/003 ,  F25B2500/26 ,  F25B2600/05 ,  F25B2600/21 ,  F25B2600/2513 ,  F25B2700/21172 ,  F25B2700/21173 ,  F25B2700/21174 ,  F25B2700/21175

Abstract: A method for controlling a vapour compression system (1) during start-up is disclosed. The rate of change, ΔΤ 1 , of the temperature of refrigerant entering the evaporator (4), and the rate of change, ΔΤ 2 , of the temperature of refrigerant leaving the evaporator (4) are compared. Based on the comparing step, a refrigerant filling state of the evaporator (4) is determined. The opening degree (11) of the expansion device (3) is then controlled according to a first control strategy in the case that it is determined that the evaporator (4) is full or almost full, and according to a second control strategy in the case that it is determined that the evaporator (4) is not full. Thereby it is ensured that a maximum filling degree of the evaporator (4) is quickly reached, without risking that liquid refrigerant passes through the evaporator (4).

Abstract translation: 公开了一种在启动期间控制蒸汽压缩系统（1）的方法。 比较了进入蒸发器（4）的制冷剂的变化率DeltaTau1和离开蒸发器（4）的制冷剂温度的变化率DeltaTau2。 基于比较步骤，确定蒸发器（4）的制冷剂填充状态。 在确定蒸发器（4）已满或已满的情况下，根据第一控制策略来控制膨胀装置（3）的开度（11），根据第 确定蒸发器（4）不满的情况。 从而确保了蒸发器（4）的最大填充度迅速达到，而不会使液体制冷剂通过蒸发器（4）。

公开(公告)号：EP2888541A1

公开(公告)日：2015-07-01

申请号：EP13741966.9

申请日：2013-07-11

Applicant: Danfoss A/S

Inventor： IZADI-ZAMANABADI, Roozbeh ,  JENSEN, Hans Joergen ,  JENSEN, Lars

IPC: F25B49/02

CPC classification number: F25B1/00 ,  F25B49/02 ,  F25B2345/003 ,  F25B2500/26 ,  F25B2600/05 ,  F25B2600/21 ,  F25B2600/2513 ,  F25B2700/21172 ,  F25B2700/21173 ,  F25B2700/21174 ,  F25B2700/21175

Abstract: A method for controlling a vapor compression system during start-up is disclosed. The rate of change, ΔT1, of the temperature of refrigerant entering the evaporator, and the rate of change, ΔT2, of the temperature of refrigerant leaving the evaporator are compared. Based on the comparing step, a refrigerant filling state of the evaporator is determined. The opening degree of the expansion device is then controlled according to a first control strategy in the case that it is determined that the evaporator is full or almost full, and according to a second control strategy in the case that it is determined that the evaporator is not full. Thereby it is ensured that a maximum filling degree of the evaporator is quickly reached, without risking that liquid refrigerant passes through the evaporator.

Abstract translation: 公开了一种在起动期间控制蒸汽压缩系统的方法。 比较了进入蒸发器的制冷剂的温度变化率和温度变化率T1，以及离开蒸发器的制冷剂温度的变化率（Dgr; T2）。 基于比较步骤，确定蒸发器的制冷剂填充状态。 在确定蒸发器已满或已满的情况下，根据第一控制策略来控制膨胀装置的开度，根据第二控制策略，在确定蒸发器为 不满 从而确保快速达到蒸发器的最大填充度，而不会使液体制冷剂通过蒸发器。