JP2017506321A - 複数の蒸発器ゾーンへの個別の給送流を有する冷却システム - Google Patents
複数の蒸発器ゾーンへの個別の給送流を有する冷却システム Download PDFInfo
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- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
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- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
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- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
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- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
- F28F9/0275—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple branch pipes
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- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
- F25B2341/068—Expansion valves combined with a sensor
- F25B2341/0683—Expansion valves combined with a sensor the sensor is disposed in the suction line and influenced by the temperature or the pressure of the suction gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/01—Heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/197—Pressures of the evaporator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0071—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/06—Derivation channels, e.g. bypass
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Abstract
Description
本明細書において使用される際に、以下の語およびその変化形は、そのような語が使用される文脈によって異なる意味が明らかに意図されない限り、下記において与えられる意味を有する。
本発明は、冷却システム10、および冷却システム10の動作を制御するための方法である。冷却システム10は、圧縮器12と、凝縮器14と、蒸発器18とを含む液密な循環ループ11を備える。
Claims (27)
- 冷却システムを制御する方法であって、前記冷却システムは、圧縮器と、凝縮器と、蒸発器とを含む液密な循環ループ内に配置された冷媒を備え、前記冷媒は、液化状態、気体状態、ならびに前記液化状態にある冷媒および前記気体状態にある冷媒の両方を備える二相状態で存在することができ、前記蒸発器は出口孔と少なくとも3つの蒸発器ゾーンとを有し、各蒸発器ゾーンは蒸発器ゾーン入口孔を有し、前記方法は、
(a)気体状態にある冷媒を前記圧縮器内で圧縮し、前記冷媒を前記凝縮器内で冷却して、前記液化状態の冷媒を得るステップと、
(b)冷媒を前記凝縮器から各蒸発器ゾーンの前記入口孔を介して前記蒸発器内へと流動させるステップであって、前記冷媒は部分的に二相状態で存在している、ステップと、
(c)冷媒を前記蒸発器から前記圧縮器へと流動させるステップと、
(d)ステップ(a)〜ステップ(c)を繰り返すステップと、
(e)前記冷媒の状態を、前記蒸発器内において前記出口孔の上流に配置された冷媒状態センサで測定するステップと、
(f)ステップ(b)における前記蒸発器への冷媒の流量を、ステップ(e)からの前記冷媒の前記冷媒状態の前記測定状態に基づいて制御するステップと、を備える方法。 - 前記蒸発器の前記少なくとも3つのゾーンは、連続的な長さのチューブによって提供される、請求項1に記載の方法。
- 前記蒸発器の前記少なくとも3つのゾーンは、連続的な長さのチューブによって提供され、前記連続的な長さのチューブは、最も上流側の蒸発器ゾーンの前記入口孔から前記蒸発器の前記出口孔へ継続的かつ滑らかに膨張する、請求項1に記載の方法。
- ステップ(e)における前記冷媒状態の前記測定は、複数の冷媒状態センサによって行われる、請求項1に記載の方法。
- ステップ(e)における前記冷媒状態の前記測定は、前記蒸発器ゾーンのそれぞれの内部に配置された冷媒状態センサによって行われる、請求項1に記載の方法。
- ステップ(f)における前記蒸発器への前記冷媒流量の前記制御は、前記蒸発器ゾーンのそれぞれへの前記冷媒流量を個別の制御器によって制御することによって行われる、請求項5に記載の方法。
- ステップ(b)における前記凝縮器から前記蒸発器内への冷媒の前記流動は、前記凝縮器の下流かつ前記蒸発器の上流に配置された予冷器において前記冷媒を冷却した後に行われる、請求項1に記載の方法。
- ステップ(b)における前記凝縮器から前記蒸発器内への冷媒の前記流動は、前記凝縮器の下流かつ前記蒸発器の上流に配置され、気化する冷媒と熱的に接触する予冷器における気化する冷媒との熱的接触によって前記冷媒を冷却した後に行われる、請求項1に記載の方法。
- 前記蒸発器を出た前記冷媒の一部を前記蒸発器ゾーンのそれぞれの前記入口孔へと流動させる追加のステップを備える、請求項1に記載の方法。
- 全ての負荷状態において蒸発器それぞれの内部体積と平衡状態に前記蒸発器内の二相冷媒の体積を維持するように動作する蒸気昇圧器を介して、前記蒸発器を出た前記冷媒の一部を前記蒸発器ゾーンのそれぞれの前記入口孔へと流動させる追加のステップを備える、請求項1に記載の方法。
- 前記凝縮器は複数の凝縮器ゾーンを有し、各凝縮器ゾーンは凝縮器ゾーン入口孔を有する、請求項1に記載の方法。
- 冷却システムであって、
(a)圧縮器と、凝縮器と、蒸発器とを含む液密な循環ループであって、前記循環ループは、液化状態、気体状態、ならびに前記液化状態にある冷媒および前記気体状態にある冷媒の両方を備える二相状態で存在することができる冷媒を、連続的に循環させるように構成され、前記蒸発器は出口孔と少なくとも3つの蒸発器ゾーンとを有し、各蒸発器ゾーンは入口孔を有し、前記循環ループは、(i)気体状態にある冷媒を前記圧縮器内で圧縮し、前記冷媒を前記凝縮器内で冷却して、前記液化状態の冷媒を得るステップと、(ii)冷媒を前記凝縮器から各蒸発器ゾーンの前記入口孔を介して前記蒸発器内へと流動させるステップであって、前記冷媒は部分的に二相状態で存在している、ステップと、(iii)冷媒を前記蒸発器から前記圧縮器へと流動させるステップと、(iv)ステップ(i)〜ステップ(iii)を繰り返すステップと、(v)前記冷媒の状態を、前記蒸発器内において前記蒸発器出口孔の上流に配置された冷媒状態センサで測定するステップと、(vi)ステップ(ii)における前記蒸発器への冷媒の前記流動を、ステップ(v)からの前記蒸発器内の前記冷媒の前記測定状態に基づいて制御するステップと、を実行するようにさらに構成される、液密な循環ループと、
(b)前記蒸発器への冷媒の流量を、前記蒸発器内における前記蒸発器出口孔の上流の前記冷媒の前記測定状態に基づいて制御するための制御器と
を備える冷却システム。 - 前記蒸発器の前記少なくとも3つのゾーンは、連続的な長さのチューブによって提供される、請求項12に記載の冷却システム。
- 前記蒸発器の前記少なくとも3つのゾーンは、連続的な長さのチューブによって提供され、前記連続的な長さのチューブは、最も上流側の蒸発器ゾーンの前記入口孔から前記蒸発器の前記出口孔へ継続的かつ滑らかに膨張する、請求項12に記載の冷却システム。
- (a)(v)に記載された機能における前記冷媒状態の前記測定は、複数の冷媒状態センサによって行われる、請求項12に記載の冷却システム。
- (a)(v)に記載された機能における前記冷媒状態の前記測定は、前記蒸発器ゾーンのそれぞれに配置された冷媒状態センサによって行われる、請求項12に記載の冷却システム。
- (a)(vi)に記載された機能における前記蒸発器への前記冷媒流量の前記制御は、前記蒸発器ゾーンのそれぞれへの前記冷媒流量を個別の制御器によって制御することによって行われる、請求項16に記載の冷却システム。
- 前記凝縮器の下流かつ前記蒸発器の上流に配置された予冷器をさらに備え、(a)(ii)に記載された機能における前記凝縮器から前記蒸発器内への冷媒の前記流動は、前記予冷器において前記冷媒を冷却した後に行われる、請求項12に記載の冷却システム。
- 前記蒸発器を出た前記冷媒の一部を前記蒸発器ゾーンのそれぞれの前記入口孔へと流動させるための再循環導管をさらに備える、請求項12に記載の冷却システム。
- 全ての負荷状態において前記蒸発器内の二相冷媒を平衡状態に維持することができる蒸気圧昇圧器を備える、請求項19に記載の冷却システム。
- 前記凝縮器は複数の凝縮器ゾーンを有し、各凝縮器ゾーンは凝縮器ゾーン入口孔を有する、請求項12に記載の冷却システム。
- 代替的に、(i)冷媒を、前記凝縮器へと最初に流動させることなしに、前記圧縮器の排出側から前記蒸発器入口孔へと流動させ、(ii)前記蒸発器を出た冷媒を前記凝縮器の出口孔へと流動させ、(iii)冷媒を前記凝縮器の前記出口孔から前記凝縮器入口孔へと流動させ、(iv)冷媒を前記凝縮器入口孔から前記圧縮器の吸引側へと流動させるための反転導管および弁をさらに備える、請求項12に記載の冷却システム。
- 前記反転導管および弁は、四方弁を備える、請求項22に記載の冷却システム。
- 前記反転導管および弁は、凝縮器加温ラインと、前記蒸発器から前記凝縮器の前記出口へと流動する冷媒を使用して前記凝縮器の加温を制御するための凝縮器加温ライン制御器とを備える、請求項23に記載の冷却システム。
- 前記蒸発器の下流に配置され、前記蒸発器から前記凝縮器の前記出口へと流動する冷媒を加熱するための加熱器をさらに備える、請求項24に記載の冷却システム。
- 前記蒸発器の下流に配置され、前記蒸発器を出た前記冷媒流から液体冷媒およびオイルを分離するためのドロップレッグと、前記ドロップレッグの下流に配置され、前記蒸発器を出た前記冷媒から分離された前記液体冷媒およびオイルを加熱し、前記冷媒から分離された前記液体冷媒およびオイルを前記凝縮器の前記出口へと流動させるための加熱器とをさらに備える、請求項24に記載の冷却システム。
- 冷却システムであって、
(a)圧縮器と、凝縮器と、蒸発器とを含む液密な循環ループであって、前記循環ループは、液化状態、気体状態、ならびに前記液化状態にある冷媒および前記気体状態にある冷媒の両方を備える二相状態で存在することができる冷媒を、連続的に循環させるように構成され、前記蒸発器は出口孔と少なくとも1つの入口孔とを有し、前記循環ループは、(i)気体状態にある冷媒を前記圧縮器内で圧縮し、前記冷媒を前記凝縮器内で冷却して、前記液化状態の冷媒を得るステップと、(ii)冷媒を前記凝縮器から前記蒸発器入口孔を介して前記蒸発器内へと流動させるステップであって、前記冷媒は部分的に二相状態で存在している、ステップと、(iii)冷媒を前記蒸発器から前記圧縮器へと流動させるステップと、(iv)ステップ(i)〜ステップ(iii)を繰り返すステップと、(v)前記冷媒の状態を、冷媒状態センサで測定するステップと、(vi)ステップ(ii)における前記蒸発器への冷媒の前記流動を、ステップ(v)からの前記冷媒の前記測定状態に基づいて制御するステップと、を実行するようにさらに構成される、液密な循環ループと、
(b)前記蒸発器への冷媒の流量を、前記冷媒の前記測定状態に基づいて制御するための制御器と、
(c)代替的に、(i)冷媒を、前記凝縮器へと最初に流動させることなしに、前記圧縮器の排出側から前記蒸発器入口孔へと流動させ、(ii)前記蒸発器を出た冷媒を前記凝縮器の出口孔へと流動させ、(iii)冷媒を前記凝縮器の前記出口孔から前記凝縮器を通って前記凝縮器入口孔へと流動させ、(iv)冷媒を前記凝縮器入口孔から前記圧縮器の吸引側へと流動させるための反転導管および弁と
を備える冷却システム。
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