Absorption heat pump
    41.
    发明专利

    公开(公告)号:JP5513980B2

    公开(公告)日:2014-06-04

    申请号:JP2010112594

    申请日:2010-05-14

    CPC classification number: Y02A30/277 Y02B30/62

    Abstract: PROBLEM TO BE SOLVED: To provide an absorption heat pump which can be operated with appropriate COP while making it possible to improve temperature elevating capacity.SOLUTION: The absorption heat pump 1 includes: a first absorber 10 for heating a medium W to be heated with absorption heat generated when a first absorption liquid Sa absorbs first refrigerant steam Vr; an evaporator 20 for supplying the first refrigerant steam Vr to the first absorber 10; a second absorber 30 for generating the first refrigerant steam Vr by heating a refrigerant liquid Vf inside the evaporator 20 with the absorption heat generated when a second absorption liquid Sb absorbs second refrigerant steam Vs; a first regenerator 60 for generating an intermediate concentration absorption liquid Sb by introducing, heating and condensing dilute solutions Sw, Sv; a second regenerator 50 for generating the first absorption liquid Sa by heating and condensing the intermediate concentration absorption liquid Sb; and an absorption heat conveying means 51 for conveying the absorption heat generated in the second absorber 30 into the second regenerator 50. Thus, the heat input to the first regenerator 60 is utilized at a maximum as the heat to be used for regenerating the absorption liquid.

    Absorption heat pump
    42.
    发明专利

    公开(公告)号:JP5501597B2

    公开(公告)日:2014-05-21

    申请号:JP2008265863

    申请日:2008-10-15

    Inventor: 修行 井上

    CPC classification number: Y02A30/277 Y02B30/62

    Abstract: PROBLEM TO BE SOLVED: To provide an absorption heat pump capable of stably avoiding crystallization of absorption solution even when a solution pump cannot be operated before dilution operation of the absorption solution is completed. SOLUTION: The absorption heat pump 1 includes: an absorber 10; a regenerator 30; a diluted solution line 16; a concentrated solution line 35 having the solution pump 35p pressure feeding concentrated solution Sa; and a dilution pipe 58A (58B) having a backflow prevention means 59A (59B) allowing a flow of diluted solution Sw from the diluted solution line 16 side to the concentrated solution line 35 side and blocking a flow of the concentrated solution Sa pressure fed by the solution pump 35p from the concentrated solution line 35 side to the diluted solution line 16 side. Even when the solution pump 35p cannot be operated, the diluted solution Sw can be mixed with the concentrated solution Sa via the dilution pipe 58A (58B) so as to dilute the concentrated solution Sa. COPYRIGHT: (C)2010,JPO&INPIT

    Compression type refrigerating machine
    44.
    发明专利
    Compression type refrigerating machine 有权
    压缩式制冷机

    公开(公告)号:JP2012137202A

    公开(公告)日:2012-07-19

    申请号:JP2010288022

    申请日:2010-12-24

    Abstract: PROBLEM TO BE SOLVED: To provide a compression type refrigerating machine which is higher in efficiency and more inexpensive than an existing double refrigerating cycle compression type refrigerating machine.SOLUTION: The compression type refrigerating machine includes a high-pressure condenser 22 and a low-pressure condenser 20, a high-pressure evaporator 14 and a low-pressure evaporator 12, and a compressor 18 connected to the high-pressure condenser 22, and a compressor 16 connected to the low-pressure condenser 20, and has double refrigerating cycles. A refrigerant liquid condensed by the high-pressure condenser 22 is introduced into the low-pressure condenser 20, and control valves V1, V2 are provided at least between the compressor 18 connected to the high-pressure condenser 22 and the high-pressure condenser 22, between the compressor 16 connected to the low-pressure condenser 20 and the low-pressure condenser 20, or between the high-pressure condenser 22 and low-pressure condenser 20.

    Abstract translation: 要解决的问题:提供一种效率更高且比现有的双制冷循环压缩式制冷机更便宜的压缩式制冷机。 解决方案:压缩式制冷机包括高压冷凝器22和低压冷凝器20,高压蒸发器14和低压蒸发器12以及与高压冷凝器连接的压缩机18 22和连接到低压冷凝器20的压缩机16,并具有双冷冻循环。 由高压冷凝器22冷凝的制冷剂液体被引入到低压冷凝器20中,控制阀V1,V2至少设置在与高压冷凝器22连接的压缩机18和高压冷凝器22之间 在连接到低压冷凝器20的压缩机16和低压冷凝器20之间,或在高压冷凝器22和低压冷凝器20之间。(C)2012,JPO&INPIT

    Turbo refrigerating machine system
    45.
    发明专利
    Turbo refrigerating machine system 有权
    涡轮制冷机系统

    公开(公告)号:JP2012117698A

    公开(公告)日:2012-06-21

    申请号:JP2010265344

    申请日:2010-11-29

    Abstract: PROBLEM TO BE SOLVED: To provide a turbo refrigerating machine system which is a turbo refrigerating system including a refrigerating machine group having a plurality of turbo compressors for achieving synthetic energy saving by controlling the number of operation of the turbo compressors in the refrigerating machine group with a simple device.SOLUTION: This turbo refrigerating machine system includes: a plurality of turbo compressors for sucking and compressing refrigerant gas; a plurality of variable speed driving machines for driving each of the plurality of turbo compressors; and a control means 70 for controlling the output of a refrigerating machine 101 equipped with the turbo compressors by adjusting the rotational speeds of the variable speed driving machines in accordance with a refrigeration load. The control means 70 includes a number control part 76 for increasing the number of operation of the turbo compressors on the basis of the rotational speed difference threshold of a difference or rate between the rotational speed and a reference rotational speed.

    Abstract translation: 解决的问题:提供一种涡轮制冷机系统,该涡轮制冷系统包括具有多个涡轮压缩机的制冷机组,所述涡轮压缩机通过控制制冷机中的涡轮压缩机的运转次数来实现合成节能 机组具有简单的设备。 解决方案:该涡轮冷冻机系统包括:用于吸入和压缩制冷剂气体的多个涡轮压缩机; 用于驱动多个涡轮压缩机中的每一个的多个变速驱动机构; 以及控制装置70,用于通过根据制冷负荷调节变速驱动机的转速来控制配备有涡轮压缩机的制冷机101的输出。 控制装置70包括数字控制部分76,用于根据转速和基准旋转速度之间的差值或速率的转速差阈值增加涡轮压缩机的操作次数。 版权所有(C)2012,JPO&INPIT

    Compression refrigerating machine equipped with economizer, and economizer unit
    46.
    发明专利
    Compression refrigerating machine equipped with economizer, and economizer unit 有权
    经济型装置和经济型装置的压缩式制冷机

    公开(公告)号:JP2012063120A

    公开(公告)日:2012-03-29

    申请号:JP2010210071

    申请日:2010-09-17

    Abstract: PROBLEM TO BE SOLVED: To provide a compression refrigerating machine easily improved in a coefficient of performance, and an economizer unit which can be mounted to an existing compression refrigerating machine and improve the coefficient of performance.SOLUTION: The compression refrigerating machine includes: an evaporator 40 evaporating refrigerant liquid into refrigerant gas; a main compressor 10 sucking in and compressing the refrigerant gas; a condenser 30 drawing heat from the refrigerant gas compressed by the main compressor 10 to condense the same into the refrigerant liquid; an economizer 20 evaporating the refrigerant liquid condensed by the condenser 30 into the refrigerant gas at an economizer pressure Pm intermediate between the evaporating pressure Pe of the evaporator 40 and the condensing pressure Pc of the condenser 30, cooling the refrigerant liquid with the evaporation heat during the evaporation, and sending the cooled refrigerant liquid to the evaporator 30; and an auxiliary compressor 70 sucking in, compressing the refrigerant gas evaporated in the economizer 20 and sending the same to the condenser 30.

    Abstract translation: 要解决的问题:提供容易提高性能系数的压缩制冷机,以及可以安装到现有的压缩式制冷机上的节能器单元,并且提高性能系数。 解决方案:压缩式制冷机包括:蒸发器40将制冷剂液体蒸发成制冷剂气体; 主压缩机10吸入并压缩制冷剂气体; 冷凝器30,从由主压缩机10压缩的制冷剂气体吸取热量,将其冷凝成制冷剂液体; 节能器20以在蒸发器40的蒸发压力Pe和冷凝器30的冷凝压力Pc之间的节能器压力Pm蒸发由冷凝器30冷凝的制冷剂液体进入制冷剂气体,在蒸发器40的冷凝压力Pc之间冷却制冷剂液体 蒸发并将冷却的制冷剂液体送至蒸发器30; 以及辅助压缩机70,其吸入,压缩在节能器20中蒸发的制冷剂气体并将其发送到冷凝器30.版权所有(C)2012,JPO&INPIT

    Absorption heat pump
    47.
    发明专利
    Absorption heat pump 有权
    吸收式热泵

    公开(公告)号:JP2011242012A

    公开(公告)日:2011-12-01

    申请号:JP2010112591

    申请日:2010-05-14

    Abstract: PROBLEM TO BE SOLVED: To provide an absorption heat pump for effectively utilizing absorption heat while suppressing conveying power.SOLUTION: The absorption heat pump 1 includes: a first absorber 10 for heating a medium W to be heated with absorption heat generated when a first absorption liquid Sa absorbs first refrigerant steam Vr; an evaporator 20 for supplying the first refrigerant steam Vr to the first absorber 10; a second absorber 30 for generating the first refrigerant steam Vr by heating a refrigerant liquid Vf inside the evaporator 20 with the absorption heat generated when a second absorption liquid Sb absorbs second refrigerant steam Vs; a regenerator 50 for generating the first absorption liquid Sa by evaporating a refrigerant V from a dilute solution Sw; and a refrigerant steam heat source pipe 51 for making the first refrigerant steam Vr inside the evaporator 20 flow to the inside. The refrigerant steam heat source pipe 51 is disposed so as to pass through the inside of the regenerator 50. Then, since the absorption heat generated in the second absorber 30 is guided to the regenerator 50 after tentatively changing its form into the first refrigerant steam Vr, special conveying power is not required.

    Abstract translation: 要解决的问题:提供一种在抑制输送功率的同时有效利用吸收热的吸收式热泵。 吸收式热泵1包括:第一吸收器10,其用于当第一吸收液体Sa吸收第一制冷剂蒸汽Vr时产生的吸收热量加热被加热的介质W; 用于将第一制冷剂蒸汽Vr供给到第一吸收器10的蒸发器20; 第二吸收器30,用于通过在第二吸收液体Sb吸收第二制冷剂蒸汽Vs时产生的吸收热量加热蒸发器20内的制冷剂液体Vf来产生第一制冷剂蒸汽Vr; 再生器50,用于通过从稀溶液Sw蒸发制冷剂V产生第一吸收液体Sa; 并且用于使蒸发器20内的第一制冷剂蒸汽Vr向内流动的制冷剂蒸汽热源管51。 制冷剂蒸汽热源管51配置成通过再生器50的内部。然后,由于将第二吸收体30中产生的吸收热量暂时改变为第一制冷剂蒸汽Vr后,被引导至再生器50 不需要特殊的输送功率。 版权所有(C)2012,JPO&INPIT

    Refrigerant recovering device
    48.
    发明专利
    Refrigerant recovering device 有权
    制冷回收装置

    公开(公告)号:JP2011133192A

    公开(公告)日:2011-07-07

    申请号:JP2009294520

    申请日:2009-12-25

    Abstract: PROBLEM TO BE SOLVED: To provide a refrigerant recovering device capable of minimizing an amount of a refrigerant leaking to the atmospheric air in accompany with a non-condensation gas, and recovering the refrigerant.
    SOLUTION: In the refrigerant recovering device 50 in which a compact condenser 1 having a heat exchanger 2 inside thereof, and a compression-type refrigerating machine are connected by a communication pipe 9 having a vacuum pump 6, a refrigerant gas from the compression-type refrigerating machine is introduced into the compact condenser 1 by operating the vacuum pump 6, the introduced refrigerant gas is condensed and liquefied by guiding a cooling medium to the heat exchanger 2, and the liquefied refrigerant is recovered in a refrigerant recovering container, the refrigerant recovering device 50 has an adsorption tank 63 having a refrigerant adsorbent 60 and a heater 58 for heating the refrigerant adsorbent, and a connection pipe 54 connecting the compact condenser 1 and the adsorption tank 63 and having an opening/closing valve 5 and an orifice 57, and the adsorption tank 63 includes a connection pipe having an opening/closing valve 52 connected to an external discharge port 64.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 解决的问题:提供一种制冷剂回收装置,其能够使伴随着非冷凝气体泄漏到大气中的制冷剂的量最小化,并回收制冷剂。 解决方案:在具有内部具有热交换器2的小型冷凝器1和压缩式制冷机的制冷剂回收装置50中,通过具有真空泵6的连通管9连接来自 通过操作真空泵6将压缩式制冷机引入小型冷凝器1中,通过将冷却介质引导至热交换器2将引入的制冷剂气体冷凝和液化,液化制冷剂在制冷剂回收容器中回收, 制冷剂回收装置50具有:吸附罐63,具有制冷剂吸附剂60和用于加热制冷剂吸附剂的加热器58;连接小型冷凝器1和吸附罐63的连接管54,具有开关阀5和 孔57,吸附罐63包括具有连接到外部排放口64的开/关阀52的连接管 >版权所有(C)2011,JPO&INPIT

    Consolidated chiller-heater, and a method of operation

    公开(公告)号:JP4707562B2

    公开(公告)日:2011-06-22

    申请号:JP2006000724

    申请日:2006-01-05

    Abstract: PROBLEM TO BE SOLVED: To provide a connected type water cooler-heater, and its operating method reducing an initial cost of a whole of the connected type water cooler-heater, and capable of carrying out highly efficient (COP) operation in response to a load by composing water cooler-heaters of the connected type water cooler-heater by at least one commercial power source driven water cooler-heater, and at least one inverter driven water cooler-heater. SOLUTION: The operating method is for the connected type water cooler-heater provided with the commercial power source driven water cooler-heater 11 connected to a common cold water pipe arrangement 14, a commercial power source driven slave water cooler-heater 12-1, and an inverter driven slave water cooler-heater 12-2. Each water cooler-heater carries out predetermined certain temperature control of each cold water outlet temperature. An optimum operating number is calculated at every interval certain by the number of connected water cooler-heaters, a set temperature difference of a cold water inlet and outlet, and the cold water inlet temperature. By comparison between the optimum operating number and an operating number, the operating number is maintained at the present or varied to operate the water cooler-heaters at the optimum operating number. COPYRIGHT: (C)2007,JPO&INPIT

    Surge detector and surge detecting method of turbo refrigerator
    50.
    发明专利
    Surge detector and surge detecting method of turbo refrigerator 有权
    涡轮冷冻机的探测器和探测方法

    公开(公告)号:JP2011102668A

    公开(公告)日:2011-05-26

    申请号:JP2009257338

    申请日:2009-11-10

    Abstract: PROBLEM TO BE SOLVED: To provide a surge detector and a surge detecting method of a turbo refrigerator accurately detecting a surge while monitoring the operating current to a motor that drives a turbo compressor in the variable speed turbo refrigerator.
    SOLUTION: The surge detector of the turbo refrigerator provided with the turbo compressor driven by the motor includes: a rate of change of current detecting means (a differentiation circuit 31) detecting the rate of change of the operating current to the motor; and a surge detecting means (a comparing circuit 33, an off-delay circuit 34, and an on-delay circuit 36) detecting a surge from the rate of change of current detected by the rate of change of current detecting means.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种涡轮式冰箱的浪涌检测器和浪涌检测方法,其精确地检测浪涌,同时监测对在可变速涡轮冷冻机中驱动涡轮压缩机的电动机的工作电流。 设置有由电动机驱动的涡轮压缩机的涡轮制冷机的浪涌检测器包括:电流检测装置(微分电路31)的变化率,检测对电动机的动作电流的变化率; 以及从电流检测装置的变化率检测出的电流变化率检测浪涌的浪涌检测装置(比较电路33,断开延迟电路34和接通延迟电路36)。 版权所有(C)2011,JPO&INPIT

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