JP6788007B2 - 長時間エジェクタモードで蒸気圧縮システムを制御するための方法 - Google Patents
長時間エジェクタモードで蒸気圧縮システムを制御するための方法 Download PDFInfo
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- 230000006835 compression Effects 0.000 title claims description 98
- 238000007906 compression Methods 0.000 title claims description 98
- 239000003507 refrigerant Substances 0.000 claims description 199
- 238000000034 method Methods 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 13
- 230000007480 spreading Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 18
- 230000007423 decrease Effects 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/06—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure
- F25B1/08—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure using vapour under pressure
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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
- F25B41/00—Fluid-circulation arrangements
-
- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
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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
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0012—Ejectors with the cooled primary flow at high pressure
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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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
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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
- F25B2400/13—Economisers
-
- 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
- F25B2400/16—Receivers
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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
- F25B2400/23—Separators
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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
- F25B2500/00—Problems to be solved
- F25B2500/29—High ambient temperatures
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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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
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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
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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
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Jet Pumps And Other Pumps (AREA)
- Air Conditioning Control Device (AREA)
Description
− 排熱式熱交換器を出る冷媒の温度を取得するステップと、
− 排熱式熱交換器を出る冷媒の取得した温度に基づいて、排熱式熱交換器を出る冷媒の基準圧力値を導出するステップと、
− レシーバ内に広がる圧力と蒸発器を出る冷媒の圧力との間の圧力差を取得するステップと、
− 圧力差を所定の第1の低い閾値と比較するステップと、
− 圧力差が第1の低い閾値よりも大きい場合、導出した基準圧力値に基づいて、導出した基準圧力値と等しい排熱式熱交換器を出る冷媒の圧力を取得するために、蒸気圧縮システムを制御するステップと、
− 圧力差が第1の低い閾値よりも小さい場合、圧力差が第1の低い閾値と本質的に等しい所定レベルにある場合に導出した基準圧力値に対応する固定基準圧力値を選択し、且つ、選択された固定基準圧力値に基づいて、選択された固定基準圧力値と等しい排熱式熱交換器を出る冷媒の圧力を取得するために、蒸気圧縮システムを制御するステップと、を含む方法を提供する。
− 導出した基準圧力値と選択された固定基準圧力値との間の差を取得するステップと、
− 取得した差を第2の高い閾値と比較するステップと、
− 取得した差が第2の高い閾値よりも大きい場合、導出した基準圧力値を選択し、且つ、導出した基準圧力値に従って、導出した基準圧力値と等しい排熱式熱交換器を出る冷媒の圧力を取得するために、蒸気圧縮システムを制御するステップと、を含んでいてもよい。
Claims (7)
- 蒸気圧縮システム(1)を制御するための方法であって、前記蒸気圧縮システム(1)は、冷媒経路に配設される圧縮機ユニット(2)と、排熱式熱交換器(5)と、一次入口(11)、二次入口(13)、及び出口を備えるエジェクタ(6)と、レシーバ(7)と、少なくとも1つの膨張装置(8)と、少なくとも1つの蒸発器(9)を備え、
−前記排熱式熱交換器(5)を出る冷媒の温度を取得するステップと、
−前記排熱式熱交換器(5)を出る冷媒の前記取得した温度に基づいて、前記排熱式熱交換器(5)を出る冷媒の基準圧力値を導出するステップと、
−前記レシーバ(7)内に広がる圧力と前記蒸発器(9)を出る冷媒の圧力との間の圧力差を取得するステップと、
−前記圧力差を所定の第1の低い閾値と比較するステップと、
−前記圧力差が前記第1の低い閾値よりも大きい場合、前記導出した基準圧力値に基づいて、前記導出した基準圧力値と等しい前記排熱式熱交換器(5)を出る冷媒の圧力を取得するために、前記蒸気圧縮システム(1)を制御するステップと、
−前記圧力差が前記第1の低い閾値よりも小さい場合、前記圧力差が前記第1の低い閾値と等しい所定レベルにある場合に導出した基準圧力値に対応する固定基準圧力値を選択し、且つ、前記選択された固定基準圧力値に基づいて、前記選択された固定基準圧力値と等しい前記排熱式熱交換器(5)を出る冷媒の圧力を取得するために、前記蒸気圧縮システム(1)を制御するステップと、を含む、
方法。 - 更に、前記圧力差が前記第1の低い閾値よりも小さい場合、
−前記導出した基準圧力値と前記選択された固定基準圧力値との間の差を取得するステップと、
−前記取得した差を第2の高い閾値と比較するステップと、
−前記取得した差が前記第2の高い閾値よりも大きい場合、前記導出した基準圧力値を選択し、且つ、前記導出した基準圧力値に従って、前記導出した基準圧力値と等しい前記排熱式熱交換器(5)を出る冷媒の圧力を取得するために、前記蒸気圧縮システム(1)を制御するステップと、を含む、
請求項1に記載の方法。 - 前記レシーバ(7)内に広がる圧力と前記蒸発器(9)を出る冷媒の圧力との間の圧力差を取得する前記ステップは、前記レシーバ(7)内の前記圧力及び/又は前記蒸発器(9)を出る冷媒の前記圧力を測定するステップを含む、請求項1又は2に記載の方法。
- 基準圧力値を導出する前記ステップは、前記蒸気圧縮システム(1)のための前記排熱式熱交換器(5)を出る冷媒の温度、前記排熱式熱交換器(5)を出る冷媒の圧力、及び最適成績係数(COP)の換算値を提供するルックアップ表を用いることを含む、請求項1〜3のいずれか一項に記載の方法。
- 前記導出した基準圧力値に基づいて又は前記選択された固定基準圧力値に基づいて前記蒸気圧縮システム(1)を制御する前記ステップは、前記排熱式熱交換器(5)を横断する二次流体流れを調整することを含む、請求項1〜4のいずれか一項に記載の方法。
- 前記導出した基準圧力値に基づいて又は前記選択された固定基準圧力値に基づいて前記蒸気圧縮システム(1)を制御する前記ステップは、前記圧縮機ユニット(2)の圧縮機容量を調整することを含む、請求項1〜5のいずれか一項に記載の方法。
- 前記導出した基準圧力値に基づいて又は前記選択された固定基準圧力値に基づいて前記蒸気圧縮システム(1)を制御する前記ステップは、前記エジェクタ(6)の前記一次入口(11)の開度を調整することを含む、請求項1〜6のいずれか一項に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201500645 | 2015-10-20 | ||
| DKPA201500645 | 2015-10-20 | ||
| PCT/EP2016/074765 WO2017067860A1 (en) | 2015-10-20 | 2016-10-14 | A method for controlling a vapour compression system in ejector mode for a prolonged time |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018531358A JP2018531358A (ja) | 2018-10-25 |
| JP2018531358A6 JP2018531358A6 (ja) | 2018-12-13 |
| JP6788007B2 true JP6788007B2 (ja) | 2020-11-18 |
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| JP2018519038A Expired - Fee Related JP6788007B2 (ja) | 2015-10-20 | 2016-10-14 | 長時間エジェクタモードで蒸気圧縮システムを制御するための方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10775086B2 (ja) |
| EP (1) | EP3365619B1 (ja) |
| JP (1) | JP6788007B2 (ja) |
| CN (1) | CN108139131B (ja) |
| BR (1) | BR112018007270A2 (ja) |
| CA (1) | CA2997660A1 (ja) |
| ES (1) | ES2749161T3 (ja) |
| MX (1) | MX374485B (ja) |
| PL (1) | PL3365619T3 (ja) |
| WO (1) | WO2017067860A1 (ja) |
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| US11009266B2 (en) * | 2017-03-02 | 2021-05-18 | Heatcraft Refrigeration Products Llc | Integrated refrigeration and air conditioning system |
| US10808966B2 (en) * | 2017-03-02 | 2020-10-20 | Heatcraft Refrigeration Products Llc | Cooling system with parallel compression |
| RU2735041C1 (ru) | 2017-05-01 | 2020-10-27 | Данфосс А/С | Способ управления давлением всасывания, основанный на охлаждающем объекте под самой большой нагрузкой |
| US11035595B2 (en) * | 2017-08-18 | 2021-06-15 | Rolls-Royce North American Technologies Inc. | Recuperated superheat return trans-critical vapor compression system |
| US11353246B2 (en) * | 2018-06-11 | 2022-06-07 | Hill Phoenix, Inc. | CO2 refrigeration system with automated control optimization |
| CN111692771B (zh) * | 2019-03-15 | 2023-12-19 | 开利公司 | 喷射器和制冷系统 |
| CN110822761B (zh) | 2019-07-22 | 2021-08-06 | 北京市京科伦冷冻设备有限公司 | 一种基于四通换向阀的制冷制热系统 |
| PL3798533T3 (pl) * | 2019-09-26 | 2022-08-08 | Danfoss A/S | Sposób sterowania ciśnieniem ssania układu sprężania pary |
| EP3907443A1 (en) | 2020-05-06 | 2021-11-10 | Carrier Corporation | Ejector refrigeration circuit and method of operating the same |
| EP4060254A1 (en) * | 2021-03-18 | 2022-09-21 | Danfoss A/S | A method for controlling a vapour compression system with a bypass valve |
| US20230296300A1 (en) * | 2022-03-17 | 2023-09-21 | Carrier Corporation | Refrigerant recovery device and method of operation |
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-
2016
- 2016-10-14 US US15/763,918 patent/US10775086B2/en active Active
- 2016-10-14 WO PCT/EP2016/074765 patent/WO2017067860A1/en not_active Ceased
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| CA2997660A1 (en) | 2017-04-27 |
| US10775086B2 (en) | 2020-09-15 |
| MX374485B (es) | 2025-03-06 |
| JP2018531358A (ja) | 2018-10-25 |
| US20180283754A1 (en) | 2018-10-04 |
| BR112018007270A2 (pt) | 2018-10-30 |
| MX2018004604A (es) | 2018-07-06 |
| EP3365619B1 (en) | 2019-08-21 |
| CN108139131B (zh) | 2020-07-14 |
| CN108139131A (zh) | 2018-06-08 |
| EP3365619A1 (en) | 2018-08-29 |
| ES2749161T3 (es) | 2020-03-19 |
| PL3365619T3 (pl) | 2020-03-31 |
| WO2017067860A1 (en) | 2017-04-27 |
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