充填レベルのモニタリングを備える冷却システム
    2.
    发明专利
    充填レベルのモニタリングを備える冷却システム 审中-公开
    冷却系统与填充液位监测

    公开(公告)号:JP2016102647A

    公开(公告)日:2016-06-02

    申请号:JP2015223994

    申请日:2015-11-16

    IPC分类号: F25B1/00 F25B49/02

    摘要: 【課題】冷却システムの冷媒回路内の冷媒のチャージのモニタリングのための方法および装置を提供する。 【解決手段】コンプレッサ(12)のスイッチを切って、少なくとも1つの温度を測定し、冷却システム(10)内の冷媒の圧力を測定し公称圧力範囲外の場合に、冷媒チャージエラー(具体的には冷媒の損失)を確証する。コンプレッサ(12)のスイッチを入れて、少なくとも1つの温度を測定し、コンデンサーまたはガス冷却器(14)からの排出口で冷媒の圧力を測定し、公称圧力範囲外である場合に冷媒チャージエラー(具体的には冷媒の損失)を確証する。冷媒を保管する貯蔵容器(22)、作動点の関数として遷臨界範囲で作動する冷媒(具体的にはCO 2 )をさらに含み、冷媒の温度および圧力を測定するための冷媒温度センサー(32)、冷媒圧力センサー(34)を備え、損失が検出された場合、冷媒回路(46)に充填をもたらす。 【選択図】図1

    摘要翻译: 要解决的问题:提供一种用于监测冷却系统的制冷剂回路中的制冷剂的充注的方法和装置。解决方案:当关闭压缩机(12)的开关时,至少测量一定温度, 测量冷却系统(10)中的制冷剂的压力,其值在标称压力范围之外,确认制冷剂充注误差(实际上是制冷剂的损失)。 当压缩机(12)的开关打开时,至少测定一定温度,测量从电容器或气体冷却单元(14)排出的制冷剂的压力,其值在标称值 确认了制冷剂充注误差(实际上是制冷剂的损失)。 另外还设有用于存储作为工作点的函数的临时临界范围内运行的制冷剂和制冷剂(实际上为CO)的储存容器(22),还设置有制冷剂温度传感器(32)和制冷剂压力传感器(34) ),用于测量制冷剂的温度和压力时,在检测到损失时对制冷剂回路(46)进行充电。图1:

    Refrigeration cycle device for vehicle
    4.
    发明专利
    Refrigeration cycle device for vehicle 审中-公开
    汽车制冷循环装置

    公开(公告)号:JP2009137504A

    公开(公告)日:2009-06-25

    申请号:JP2007317700

    申请日:2007-12-07

    发明人: KANO TAKEKAZU

    IPC分类号: B60H1/32 F25B45/00

    摘要: PROBLEM TO BE SOLVED: To provide a refrigeration cycle device for a vehicle capable of exerting highly accurate detection of gas shortage with a simple configuration.
    SOLUTION: In this refrigeration cycle for the vehicle, an air-conditioner ECU 100 estimates coolant pressure corresponding to temperature detected by a temperature sensor 84 on the downstream of an evaporator as first intake side coolant pressure, estimates second intake side coolant pressure by computing to satisfy an expression (expression 1: A×ΔPd+B×ΔPdc+Fspr=Fsol) for force balance affecting a valve body 51 taking discharge side coolant pressure detected by a discharge pressure sensor 86 as Pd, coolant different pressure detected by a flow rate sensor 40 as ΔPd, and control current driving the valve body 51 as Ic, and determines the gas shortage of the coolant when an absolute valve of the difference between an estimated value Ps1 of the first intake side coolant pressure and an estimated value Ps2 of the second intake side coolant pressure is the predetermined value or more. In the expression (expression 1), Fsol is upward electromagnetic force in the drawing affected to the valve body 51 by a movable iron core 53b by excitation to a coil 53c, A×ΔPd is downward pressing force in the drawing based on the different pressure ΔPd affected to the valve body 51 by a bellows 52b, and A is a section area of the bellows 52b affected by the different pressure ΔPd. B×ΔPdc is downward pressing force in the drawing based on the different pressure ΔPdc between a discharge chamber 9 and a crank chamber 16, and B is a section area of the valve body 51 affected by the different pressure ΔPdc. Fspr is downward supporting force in the drawing based on the predetermined spring force of the bellows 52b.
    COPYRIGHT: (C)2009,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种能够以简单的结构进行气体短缺的高精度检测的车辆的制冷循环装置。 解决方案:在该车辆制冷循环中,空调ECU100将与蒸发器下游的温度传感器84检测到的温度对应的冷却剂压力作为第一进气侧冷却剂压力,估计第二进气侧冷却剂压力 通过计算以满足影响阀体51的力平衡的表达式(表达式1:A×ΔPd+ B×ΔPdc+ Fspr = Fsol),以排出压力传感器86检测出的排出侧冷却剂压力为Pd,由 作为ΔPd的流量传感器40和作为Ic驱动阀体51的控制电流,并且当第一进气侧冷却剂压力的估计值Ps1与估计值之间的差的绝对值确定冷却剂的气体不足 第二进气侧冷却剂压力的Ps2为规定值以上。 在表达式(表达式1)中,Fsol通过可动铁芯53b激励到线圈53c而影响到阀体51的图中向上的电磁力,A×ΔPd是基于不同压力的图中的向下的压力 ΔPd由波纹管52b影响阀体51,A是受不同压力ΔPd影响的波纹管52b的截面积。 基于排出室9和曲轴室16之间的不同压力ΔPdc,B×ΔPdc是图中的向下压力,B是受不同压力ΔPdc影响的阀体51的截面面积。 Fspr基于波纹管52b的预定弹簧力在图中是向下的支撑力。 版权所有(C)2009,JPO&INPIT

    Compressor drive torque estimation device and compressor drive source control device
    5.
    发明专利
    Compressor drive torque estimation device and compressor drive source control device 有权
    压缩机驱动扭矩估计装置和压缩机驱动源控制装置

    公开(公告)号:JP2007278213A

    公开(公告)日:2007-10-25

    申请号:JP2006107162

    申请日:2006-04-10

    发明人: OYA SHIGEKI

    IPC分类号: F04B49/06 B60H1/32 F24F11/02

    摘要: PROBLEM TO BE SOLVED: To inhibit deviation of estimation drive torque from actual compressor drive torque under a transient condition right after compression start of a variable displacement compressor. SOLUTION: First estimation drive torque calculation means S41 to S45 determine estimation response time Ts from start of compression of the variable displacement compressor to start of increase of compressor drive torque, and degree of increase per unit time ΔTrkA after start of increase of compressor drive torque based on delivery refrigerant pressure Pd and evaporator blow out air temperature Te at a time of compression start of the variable displacement compressor, and calculate first estimation drive torque TrkA. Moreover, a second estimation drive torque calculation means S46 calculates second estimation drive torque TrkB based on delivery refrigerant pressure Pd and estimation drive torque determination means S47 to S49 define smaller one of TrkA and TrkB as estimation drive torque STrk. COPYRIGHT: (C)2008,JPO&INPIT

    摘要翻译: 要解决的问题:在可变排量压缩机的压缩启动之后的瞬时状态下,抑制估计驱动转矩与实际压缩机驱动转矩的偏差。 解决方案:第一估计驱动转矩计算装置S41至S45确定从可变排量压缩机的压缩开始到开始增加压缩机驱动转矩的估计响应时间Ts,以及开始增加之后的每单位时间ΔTrkA的增加程度 基于可变排量压缩机的压缩启动时的输送制冷剂压力Pd和蒸发器吹出空气温度Te的压缩机驱动转矩,并计算第一估计驱动转矩TrkA。 此外,第二估计驱动转矩计算装置S46基于输送制冷剂压力Pd计算第二估计驱动转矩TrkB,并且估计驱动转矩确定装置S47至S49将TrkA和TrkB中的较小一个定义为估计驱动转矩STrk。 版权所有(C)2008,JPO&INPIT

    Air-conditioner for vehicle
    6.
    发明专利
    Air-conditioner for vehicle 审中-公开
    车用空调机

    公开(公告)号:JP2006306320A

    公开(公告)日:2006-11-09

    申请号:JP2005133298

    申请日:2005-04-28

    发明人: NAKAMURA KOJIRO

    IPC分类号: B60H1/32 F24F11/02

    摘要: PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle using a refrigerating cycle of carbon dioxide refrigerant which does not need to map and maintain data for controlling an ECV, with its start-up time corresponding to a load. SOLUTION: This air conditioner is composed of: at least a compressor 101; the ECV 107 for controlling the discharge capacity of the compressor 101 according to a duty value provided from the outside; an outdoor heat exchanger 102; a decompressor 103; an indoor heat exchanger 104; a compressor discharge pressure sensor 110 for detecting a discharge pressure of the refrigerant discharged from compressor 101; and a control amplifier 111 providing to the ECV 107 a duty value corresponding to a detected value from this compressor pressure sensor 110. The control amplifier 111 is so constructed as to increase and decrease the duty value until the duty value to be provided to the ECV 107 becomes the maximum one while the detected value of the compressor discharge pressure sensor 110 is made not to exceed a predetermined range. COPYRIGHT: (C)2007,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种使用二氧化碳制冷剂的制冷循环的车辆空调机,其不需要映射和维护用于控制ECV的数据,其起动时间对应于负载。 解决方案:该空气调节机构至少包括压缩机101, 用于根据从外部提供的占空值来控制压缩机101的排出容量的ECV 107; 室外热交换器102; 减压器103; 室内热交换器104; 用于检测从压缩机101排出的制冷剂的排出压力的压缩机排出压力传感器110; 以及控制放大器111,向ECV 107提供与来自该压缩机压力传感器110的检测值对应的占空比值。控制放大器111被构造成增加和减少占空比值,直到提供给ECV的占空比值 107成为最大值,同时压缩机排出压力传感器110的检测值不超过预定范围。 版权所有(C)2007,JPO&INPIT

    Air conditioner for vehicle
    7.
    发明专利
    Air conditioner for vehicle 有权
    车用空调

    公开(公告)号:JP2006248428A

    公开(公告)日:2006-09-21

    申请号:JP2005069241

    申请日:2005-03-11

    IPC分类号: B60H1/32

    摘要: PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle capable of preventing a compressor from being constantly driven with its maximum capacity during acceleration, avoiding excessive power consumption of the compressor during acceleration, attaining high acceleration of the vehicle and low fuel consumption, and maintaining comfort of an occupant by restraining an excessive increase in blowout temperature in a vehicle inside. SOLUTION: In this air conditioner including a refrigerating cycle having the variable displacement compressor equipped with a capacity control valve which controls a discharge amount of the compressor so that a pressure difference Pd-Ps between a discharge refrigerant pressure Pd and a suction refrigerant pressure Ps of the compressor may become a predetermined value, an acceleration state detector, and an engine speed detector, the discharge amount of the compressor is controlled by the capacity control valve so that the pressure difference Pd-Ps may not become larger than the pressure difference Pd-Ps right before a large compressor load when the compressor load gets large by judging that the compressor load is large if the acceleration state is detected or if the engine speed is more than the predetermined value. COPYRIGHT: (C)2006,JPO&NCIPI

    摘要翻译: 要解决的问题:为了提供一种能够防止压缩机在加速期间以最大容量恒定驱动的车辆空调,避免了加速期间压缩机的过度功率消耗,达到车辆的高加速度和低 燃料消耗,并且通过抑制车辆内部的井喷温度的过度增加来保持乘员的舒适度。 解决方案:在具有制冷循环的空调机中,该制冷循环具有可变排量压缩机,该变容式压缩机配备有容量控制阀,其控制压缩机的排出量,使得排出制冷剂压力Pd和吸入制冷剂之间的压差Pd-Ps 压缩机的压力Ps可以变为预定值,加速状态检测器和发动机转速检测器,压缩机的排出量由容量控制阀控制,使得压力差Pd-Ps可能不会变得大于压力 如果检测到加速状态或发动机转速大于预定值,则通过判断压缩机负载大时,压缩机负载变大之前的压缩机负载之前的差值Pd-Ps。 版权所有(C)2006,JPO&NCIPI

    Compressor control device
    9.
    发明专利
    Compressor control device 审中-公开
    压缩机控制装置

    公开(公告)号:JP2005212543A

    公开(公告)日:2005-08-11

    申请号:JP2004019487

    申请日:2004-01-28

    摘要: PROBLEM TO BE SOLVED: To provide a compressor control device capable of improving running fuel economy by optimally controlling compressor torque according to the load condition of an engine in normal running.
    SOLUTION: The compressor control device is equipped with a variable displacement compressor, an engine speed detection means, a torque target value reference means referring the engine output torque target value calculated by an accelerator depressing amount detection means or an engine ECU, and an engine output estimation means estimating the present engine output torque from at least the accelerator depressing amount or the engine output torque target value and the engine speed. The compressor control device determines a compressor torque limit value from the engine output torque and the engine speed by using a torque limit value map of the map defining the compressor torque limit value especially on the two-axis plane of the engine output torque and the engine speed.
    COPYRIGHT: (C)2005,JPO&NCIPI

    摘要翻译: 要解决的问题:提供一种能够通过根据发动机在正常运行中的负载条件最佳地控制压缩机转矩来提高运行燃料经济性的压缩机控制装置。 解决方案:压缩机控制装置配备有可变排量压缩机,发动机转速检测装置,转矩目标值参考装置,参考由加速器下压量检测装置或发动机ECU计算出的发动机输出转矩目标值,以及 发动机输出估计装置至少从所述加速器下压量或所述发动机输出转矩目标值和所述发动机转速估计所述发动机输出转矩。 压缩机控制装置通过使用限定压缩机转矩极限值的映射的转矩极限值映射,特别是在发动机输出转矩和发动机的两轴平面上来确定来自发动机输出转矩和发动机转速的压缩机转矩极限值 速度。 版权所有(C)2005,JPO&NCIPI