JP6011507B2 - 冷凍サイクル装置 - Google Patents
冷凍サイクル装置 Download PDFInfo
- Publication number
- JP6011507B2 JP6011507B2 JP2013211076A JP2013211076A JP6011507B2 JP 6011507 B2 JP6011507 B2 JP 6011507B2 JP 2013211076 A JP2013211076 A JP 2013211076A JP 2013211076 A JP2013211076 A JP 2013211076A JP 6011507 B2 JP6011507 B2 JP 6011507B2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- flow rate
- air
- compressor
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005057 refrigeration Methods 0.000 title claims description 51
- 239000003507 refrigerant Substances 0.000 claims description 480
- 238000001704 evaporation Methods 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000013459 approach Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 230000006837 decompression Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 164
- 238000001816 cooling Methods 0.000 description 65
- 238000004378 air conditioning Methods 0.000 description 61
- 238000007664 blowing Methods 0.000 description 31
- 230000007423 decrease Effects 0.000 description 20
- 239000002826 coolant Substances 0.000 description 17
- 230000008020 evaporation Effects 0.000 description 17
- 239000000203 mixture Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 14
- 230000007246 mechanism Effects 0.000 description 11
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 9
- 238000007791 dehumidification Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000004781 supercooling Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001603 reducing effect Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
- B60H1/00921—Controlling the flow of liquid in a heat pump system where the flow direction of the refrigerant does not change and there is an extra subcondenser, e.g. in an air duct
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/0075—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being solar radiation
-
- 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
-
- 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
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
- F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3286—Constructional features
- B60H2001/3298—Ejector-type refrigerant circuits
-
- 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
-
- 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0409—Refrigeration circuit bypassing means for the evaporator
-
- 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
-
- 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
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2600/2501—Bypass valves
-
- 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
-
- 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
- F25B2600/2515—Flow valves
-
- 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
- F25B2600/2519—On-off valves
-
- 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
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- 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
- F25B2700/2103—Temperatures near a heat exchanger
-
- 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
- F25B2700/2104—Temperatures of an indoor room or compartment
-
- 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
- F25B2700/2106—Temperatures of fresh outdoor air
-
- 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
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
さらに、放熱器へ流入させる冷媒の流量を放熱器側冷媒流量(Gc)と定義したときに、流量比制御手段(40c)は、実際の放熱器側冷媒流量(Gc)が、流量比(Gn/Gr)が0となっている際の放熱器側冷媒流量(Gc)以上となるように、流量比調整手段(25)の作動を制御するものである冷凍サイクル装置を特徴とする。
(第1実施形態)
以下、図1〜図4を用いて、本発明の第1実施形態について説明する。本実施形態では、本発明に係る蒸気圧縮式の冷凍サイクル装置10を、走行用電動モータから車両走行用の駆動力を得る電気自動車の車両用空調装置1に適用している。冷凍サイクル装置10は、車両用空調装置1において、空調対象空間である車室内へ送風される送風空気を冷却あるいは加熱する機能を果たす。従って、本実施形態の加熱対象流体は送風空気である。
0.3≦Gn/Gr≦0.5…(F1)
なお、吐出冷媒流量Gr、エジェクタ側冷媒流量Gnおよび放熱器側冷媒流量Gcは、いずれも質量流量であり、吐出冷媒流量Grは、エジェクタ側冷媒流量Gnと放熱器側冷媒流量Gcとの合算値となる。
TAO=Kset×Tset−Kr×Tr−Kam×Tam−Ks×As+C…(F2)
なお、Tsetは温度設定スイッチによって設定された車室内設定温度、Trは内気センサによって検出された車室内温度(内気温)、Tamは外気センサによって検出された外気温、Asは日射センサによって検出された日射量である。Kset、Kr、Kam、Ksは制御ゲインであり、Cは補正用の定数である。
冷房運転モードでは、空調制御装置40が、暖房用膨張弁14を全開とし、冷房用膨張弁16を減圧作用を発揮する絞り状態とし、暖房用開閉弁18を閉じ、ノズル部用開閉弁22を閉じる。従って、冷房運転モード時に構成されるサイクル構成は、特許請求の範囲に記載された非昇圧用冷媒回路に含まれる。
除湿暖房運転モードでは、空調制御装置40が、暖房用膨張弁14および冷房用膨張弁16を全開状態あるいは絞り状態とし、暖房用開閉弁18を閉じ、ノズル部用開閉弁22を閉じる。従って、除湿暖房運転モード時に構成されるサイクル構成は、特許請求の範囲に記載された非昇圧用冷媒回路に含まれる。
第1モードは、除湿暖房運転モード時に、目標吹出温度TAOが冷房基準温度α以上、かつ、予め定めた第1基準温度以下となっている場合に実行される。
第2モードは、除湿暖房運転モード時に、目標吹出温度TAOが第1基準温度より高く、かつ、予め定めた第2基準温度以下となった場合に実行される。第2モードでは、空調制御装置40が、暖房用膨張弁14を絞り状態とし、冷房用膨張弁16の絞り開度を第1モード時よりも増加させる。
第3モードは、除湿暖房運転モード時に、目標吹出温度TAOが第2基準温度より高く、かつ、予め定めた第3基準温度以下となった場合に実行される。第3モードでは、空調制御装置40が、暖房用膨張弁14の絞り開度を第2モード時よりも減少させ、冷房用膨張弁16の絞り開度を第2モード時よりも増加させる。
第4モードは、除湿暖房運転モード時に、目標吹出温度TAOが第3基準温度より高くなった場合に実行される。第4モードでは、空調制御装置40が、暖房用膨張弁14の絞り開度を第3モード時よりも減少させ、冷房用膨張弁16を全開とする。
暖房運転モードでは、空調制御装置40が、暖房用膨張弁14を絞り状態とし、冷房用膨張弁16を全閉とし、暖房用開閉弁18を開き、ノズル部用開閉弁22を閉じる。従って、暖房運転モード時に構成されるサイクル構成は、特許請求の範囲に記載された非昇圧用冷媒回路に含まれる。
強暖房運転モードでは、空調制御装置40が、暖房用膨張弁14を絞り状態とし、冷房用膨張弁16を全閉とし、暖房用開閉弁18を開き、ノズル部用開閉弁22を開く。従って、本実施形態の強暖房運転モード時に構成されるサイクル構成は、特許請求の範囲に記載された昇圧用冷媒回路に含まれる。
本実施形態では、図5の全体構成図に示すように、第1実施形態の冷凍サイクル装置10に対して、バイパス通路23およびバイパス通路用開閉弁24を追加した例を説明する。なお、図5では、第1実施形態と同一もしくは均等部分には同一の符号を付している。このことは、以下の図面においても同様である。
本実施形態では、図6の全体構成図に示すように、第1実施形態の冷凍サイクル装置10に対して、冷媒回路切替手段であるノズル部用開閉弁22を廃止して、エジェクタ21のノズル部21aへ流入させる冷媒のエジェクタ側冷媒流量Gnを調整する流量調整弁25を設けた例を説明する。
本発明は上述の実施形態に限定されることなく、本発明の趣旨を逸脱しない範囲内で、以下のように種々変形可能である。
12 室内凝縮器(放熱器)
14 暖房用膨張弁
15 室外熱交換器(蒸発器)
21 エジェクタ
21a ノズル部
21d 冷媒吸引口
21f ディフューザ部
Claims (4)
- 冷媒を圧縮して吐出する圧縮機(11)と、
前記圧縮機(11)から吐出された高圧冷媒と加熱対象流体とを熱交換させて、前記高圧冷媒を放熱させる放熱器(12)と、
前記放熱器(12)から流出した冷媒を減圧させる減圧手段(14)と、
前記減圧手段(14)にて減圧された低圧冷媒と吸熱対象流体とを熱交換させて、前記低圧冷媒を蒸発させる蒸発器(15)と、
前記圧縮機(11)から吐出された高圧冷媒を減圧させるノズル部(21a)から噴射される高速度の噴射冷媒の吸引作用によって、冷媒吸引口(21d)から前記蒸発器(15)下流側冷媒を吸引し、前記噴射冷媒と前記冷媒吸引口(21d)から吸引された吸引冷媒との混合冷媒を昇圧させて、前記圧縮機(11)の吸入口側へ流出させる昇圧部(21f)を有するエジェクタ(21)と、
前記圧縮機(11)から吐出される冷媒の流量を吐出冷媒流量(Gr)と定義し、前記ノズル部(21a)へ流入させる冷媒の流量をエジェクタ側冷媒流量(Gn)と定義したときに、前記吐出冷媒流量(Gr)に対する前記エジェクタ側冷媒流量(Gn)の流量比(Gn/Gr)を調整する流量比調整手段(25)と、
前記流量比調整手段(25)の作動を制御する流量比制御手段(40c)、を備え、
さらに、前記放熱器へ流入させる冷媒の流量を放熱器側冷媒流量(Gc)と定義したときに、
前記流量比制御手段(40c)は、実際の前記放熱器側冷媒流量(Gc)が、前記流量比(Gn/Gr)が0となっている際の前記放熱器側冷媒流量(Gc)以上となるように、前記流量比調整手段(25)の作動を制御するものであることを特徴とする冷凍サイクル装置。 - 前記蒸発器(15)から流出した冷媒の気液を分離する気液分離手段(19)を備え、
前記気液分離手段(19)の気相冷媒流出口には、前記冷媒吸引口(21d)が接続されていることを特徴とする請求項1に記載の冷凍サイクル装置。 - 前記流量比調整手段は、前記エジェクタ側冷媒流量(Gn)を調整する流量調整弁(25)で構成されていることを特徴とする請求項1または2に記載の冷凍サイクル装置。
- 前記流量比制御手段(40c)は、前記放熱器側冷媒流量(Gc)が極大値に近づくように、前記流量比調整手段(25)の作動を制御するものであることを特徴とする請求項1ないし3のいずれか1つに記載の冷凍サイクル装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013211076A JP6011507B2 (ja) | 2013-10-08 | 2013-10-08 | 冷凍サイクル装置 |
DE112014004647.7T DE112014004647T5 (de) | 2013-10-08 | 2014-09-22 | Kälteerzeugungskreis-Einrichtung |
US15/027,120 US10131203B2 (en) | 2013-10-08 | 2014-09-22 | Refrigeration cycle device |
PCT/JP2014/004845 WO2015052881A1 (ja) | 2013-10-08 | 2014-09-22 | 冷凍サイクル装置 |
CN201480051006.XA CN105556218B (zh) | 2013-10-08 | 2014-09-22 | 制冷循环装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013211076A JP6011507B2 (ja) | 2013-10-08 | 2013-10-08 | 冷凍サイクル装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015075268A JP2015075268A (ja) | 2015-04-20 |
JP2015075268A5 JP2015075268A5 (ja) | 2015-10-15 |
JP6011507B2 true JP6011507B2 (ja) | 2016-10-19 |
Family
ID=52812717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013211076A Expired - Fee Related JP6011507B2 (ja) | 2013-10-08 | 2013-10-08 | 冷凍サイクル装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10131203B2 (ja) |
JP (1) | JP6011507B2 (ja) |
CN (1) | CN105556218B (ja) |
DE (1) | DE112014004647T5 (ja) |
WO (1) | WO2015052881A1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5240332B2 (ja) * | 2011-09-01 | 2013-07-17 | ダイキン工業株式会社 | 冷凍装置 |
JP6088753B2 (ja) * | 2012-06-13 | 2017-03-01 | サンデンホールディングス株式会社 | 車両用空気調和装置 |
EP3032192B1 (en) * | 2014-12-09 | 2020-07-29 | Danfoss A/S | A method for controlling a valve arrangement in a vapour compression system |
RU2680447C1 (ru) | 2015-08-14 | 2019-02-21 | Данфосс А/С | Паровая компрессионная система с по меньшей мере двумя испарительными установками |
BR112018007382B1 (pt) | 2015-10-20 | 2023-03-21 | Danfoss A/S | Método para controlar um sistema de compressão a vapor com um ponto de ajuste de pressão de receptor variável |
EP3365619B1 (en) | 2015-10-20 | 2019-08-21 | Danfoss A/S | A method for controlling a vapour compression system in ejector mode for a prolonged time |
US10556484B2 (en) * | 2015-10-28 | 2020-02-11 | Ford Global Technologies, Llc | Vehicle climate control valve and operating method |
JP2017219262A (ja) * | 2016-06-08 | 2017-12-14 | 株式会社デンソー | エジェクタ式冷凍サイクル装置 |
JP6547781B2 (ja) * | 2016-06-16 | 2019-07-24 | 株式会社デンソー | 冷凍サイクル装置 |
WO2018080150A1 (en) * | 2016-10-25 | 2018-05-03 | Samsung Electronics Co., Ltd. | Air conditioner |
US11105544B2 (en) * | 2016-11-07 | 2021-08-31 | Trane International Inc. | Variable orifice for a chiller |
US10254015B2 (en) * | 2017-02-28 | 2019-04-09 | Thermo King Corporation | Multi-zone transport refrigeration system with an ejector system |
EP3524904A1 (en) | 2018-02-06 | 2019-08-14 | Carrier Corporation | Hot gas bypass energy recovery |
JP7028079B2 (ja) * | 2018-06-22 | 2022-03-02 | 株式会社デンソー | 冷凍サイクル装置 |
JP7099899B2 (ja) * | 2018-07-25 | 2022-07-12 | 三菱重工サーマルシステムズ株式会社 | 車両用空調装置 |
DK180146B1 (en) | 2018-10-15 | 2020-06-25 | Danfoss As Intellectual Property | Heat exchanger plate with strenghened diagonal area |
CN113883738B (zh) * | 2021-09-29 | 2022-11-11 | 浙江工业大学 | 一种新型太阳能喷射-压缩制冷*** |
DE102022130636A1 (de) * | 2022-11-18 | 2024-05-23 | Denso Corporation | Kältemittelkreislauf, insbesondere für ein Kraftfahrzeug und Verfahren zum Betreiben eines solchen |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2513361A (en) * | 1944-11-01 | 1950-07-04 | Specialties Dev Corp | Method and system for producing low-temperature refrigeration |
GB660771A (en) * | 1949-02-03 | 1951-11-14 | Svenska Turbinfab Ab | Improvements in refrigerating machinery |
US2887857A (en) * | 1955-06-28 | 1959-05-26 | Hugh J Scullen | Jet pumps in refrigeration system |
JPS59225259A (ja) * | 1983-06-02 | 1984-12-18 | 三洋電機株式会社 | 冷凍装置 |
JP3257361B2 (ja) | 1995-08-01 | 2002-02-18 | 株式会社デンソー | 車両用空調装置 |
US5704219A (en) | 1995-08-01 | 1998-01-06 | Nippondenso Co., Ltd. | Air conditioning apparatus |
US6698221B1 (en) * | 2003-01-03 | 2004-03-02 | Kyung Kon You | Refrigerating system |
JP2004257694A (ja) * | 2003-02-27 | 2004-09-16 | Denso Corp | 蒸気圧縮式冷凍機 |
JP5021326B2 (ja) * | 2007-02-05 | 2012-09-05 | 株式会社デンソー | エジェクタ式冷凍サイクル |
US10527329B2 (en) * | 2008-04-18 | 2020-01-07 | Denso Corporation | Ejector-type refrigeration cycle device |
JP5108606B2 (ja) | 2008-04-23 | 2012-12-26 | カルソニックカンセイ株式会社 | 空気調和システム |
JP5605191B2 (ja) * | 2010-12-01 | 2014-10-15 | 東京電力株式会社 | ヒートポンプ |
DE102012205200B4 (de) | 2011-04-04 | 2020-06-18 | Denso Corporation | Kältemittelkreislaufvorrichtung |
JP5321647B2 (ja) | 2011-06-15 | 2013-10-23 | 株式会社デンソー | 冷凍サイクル装置 |
CN102734989B (zh) | 2011-04-08 | 2014-05-07 | 约克广州空调冷冻设备有限公司 | 一种快速排出气液分离器中积存的液体的热泵空调***及方法 |
JP5482767B2 (ja) | 2011-11-17 | 2014-05-07 | 株式会社デンソー | エジェクタ式冷凍サイクル |
JP6102552B2 (ja) | 2012-11-16 | 2017-03-29 | 株式会社デンソー | 冷凍サイクル装置 |
-
2013
- 2013-10-08 JP JP2013211076A patent/JP6011507B2/ja not_active Expired - Fee Related
-
2014
- 2014-09-22 WO PCT/JP2014/004845 patent/WO2015052881A1/ja active Application Filing
- 2014-09-22 DE DE112014004647.7T patent/DE112014004647T5/de not_active Withdrawn
- 2014-09-22 US US15/027,120 patent/US10131203B2/en not_active Expired - Fee Related
- 2014-09-22 CN CN201480051006.XA patent/CN105556218B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN105556218B (zh) | 2017-06-20 |
DE112014004647T5 (de) | 2016-07-21 |
WO2015052881A1 (ja) | 2015-04-16 |
JP2015075268A (ja) | 2015-04-20 |
US10131203B2 (en) | 2018-11-20 |
US20160280041A1 (en) | 2016-09-29 |
CN105556218A (zh) | 2016-05-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6011507B2 (ja) | 冷凍サイクル装置 | |
JP6277888B2 (ja) | 冷凍サイクル装置 | |
JP5967022B2 (ja) | 冷凍サイクル装置 | |
JP6528733B2 (ja) | エジェクタ式冷凍サイクル | |
WO2014076903A1 (ja) | エジェクタ | |
JP6102552B2 (ja) | 冷凍サイクル装置 | |
JP6225709B2 (ja) | 空調装置 | |
JP2018118540A (ja) | 冷凍サイクル装置 | |
JP2017219262A (ja) | エジェクタ式冷凍サイクル装置 | |
JP6561922B2 (ja) | 統合弁 | |
WO2019017169A1 (ja) | エジェクタモジュール | |
JP6973539B2 (ja) | 冷凍サイクル装置 | |
JP6720932B2 (ja) | エジェクタ式冷凍サイクル | |
JP6642297B2 (ja) | エジェクタ式冷凍サイクル | |
JP6669033B2 (ja) | エジェクタ式冷凍サイクル | |
WO2018003352A1 (ja) | 冷凍サイクル装置 | |
US10442274B2 (en) | Ejector refrigeration cycle device and low outside temperature operation thereof | |
WO2018088033A1 (ja) | 冷凍サイクル装置 | |
JP6582843B2 (ja) | 冷凍サイクル装置 | |
JP2020029983A (ja) | 冷凍サイクル装置 | |
WO2024101062A1 (ja) | 車両用ヒートポンプサイクル装置 | |
JP2018063071A (ja) | 膨張弁 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150827 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160415 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160823 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160905 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6011507 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
LAPS | Cancellation because of no payment of annual fees |