CN1161579C - 膨胀阀的前馈控制方法 - Google Patents
膨胀阀的前馈控制方法 Download PDFInfo
- Publication number
- CN1161579C CN1161579C CNB951978179A CN95197817A CN1161579C CN 1161579 C CN1161579 C CN 1161579C CN B951978179 A CNB951978179 A CN B951978179A CN 95197817 A CN95197817 A CN 95197817A CN 1161579 C CN1161579 C CN 1161579C
- Authority
- CN
- China
- Prior art keywords
- expansion valve
- evaporator
- control amount
- control
- feedforward control
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000005057 refrigeration Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 32
- 239000003507 refrigerant Substances 0.000 claims description 26
- 230000009123 feedback regulation Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 9
- 238000009429 electrical wiring Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
-
- 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
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
- F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
-
- 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
- F25B2341/063—Feed forward 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
- F25B2600/21—Refrigerant outlet evaporator temperature
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/04—Refrigerant level
-
- 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)
- Air Conditioning Control Device (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
- Control Of Temperature (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/396,305 US5632154A (en) | 1995-02-28 | 1995-02-28 | Feed forward control of expansion valve |
US08/396,305 | 1995-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1181805A CN1181805A (zh) | 1998-05-13 |
CN1161579C true CN1161579C (zh) | 2004-08-11 |
Family
ID=23566706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB951978179A Expired - Lifetime CN1161579C (zh) | 1995-02-28 | 1995-12-15 | 膨胀阀的前馈控制方法 |
Country Status (10)
Country | Link |
---|---|
US (2) | US5632154A (zh) |
EP (1) | EP0811135B1 (zh) |
JP (1) | JPH11501114A (zh) |
CN (1) | CN1161579C (zh) |
AU (1) | AU4522896A (zh) |
BR (1) | BR9510519A (zh) |
CA (1) | CA2212804C (zh) |
DE (1) | DE69515912T2 (zh) |
IN (1) | IN186883B (zh) |
WO (1) | WO1996027108A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102466303A (zh) * | 2010-11-16 | 2012-05-23 | 株式会社山武 | 控制装置以及控制方法 |
TWI667442B (zh) * | 2018-08-01 | 2019-08-01 | 群光電能科技股份有限公司 | 閥、膨脹閥及其步進控制方法 |
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JP3861451B2 (ja) * | 1998-04-20 | 2006-12-20 | 株式会社デンソー | 超臨界冷凍サイクル |
US6050098A (en) | 1998-04-29 | 2000-04-18 | American Standard Inc. | Use of electronic expansion valve to maintain minimum oil flow |
FR2780143B1 (fr) * | 1998-06-23 | 2000-09-08 | Valeo Climatisation | Boucle de fluide refrigerant amelioree pour installation de climatisation de vehicule |
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US6266964B1 (en) | 2000-01-10 | 2001-07-31 | American Standard International Inc. | Use of electronic expansion valve to maintain minimum oil flow |
US6318101B1 (en) * | 2000-03-15 | 2001-11-20 | Carrier Corporation | Method for controlling an electronic expansion valve based on cooler pinch and discharge superheat |
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1995
- 1995-02-28 US US08/396,305 patent/US5632154A/en not_active Expired - Lifetime
- 1995-12-15 CA CA002212804A patent/CA2212804C/en not_active Expired - Fee Related
- 1995-12-15 BR BR9510519A patent/BR9510519A/pt not_active IP Right Cessation
- 1995-12-15 WO PCT/US1995/016474 patent/WO1996027108A1/en active IP Right Grant
- 1995-12-15 DE DE69515912T patent/DE69515912T2/de not_active Expired - Lifetime
- 1995-12-15 CN CNB951978179A patent/CN1161579C/zh not_active Expired - Lifetime
- 1995-12-15 JP JP8526224A patent/JPH11501114A/ja active Pending
- 1995-12-15 EP EP95943864A patent/EP0811135B1/en not_active Expired - Lifetime
- 1995-12-15 AU AU45228/96A patent/AU4522896A/en not_active Abandoned
-
1996
- 1996-02-01 IN IN184CA1996 patent/IN186883B/en unknown
- 1996-12-17 US US08/768,743 patent/US5809794A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102466303A (zh) * | 2010-11-16 | 2012-05-23 | 株式会社山武 | 控制装置以及控制方法 |
TWI667442B (zh) * | 2018-08-01 | 2019-08-01 | 群光電能科技股份有限公司 | 閥、膨脹閥及其步進控制方法 |
US10871316B2 (en) | 2018-08-01 | 2020-12-22 | Chicony Power Technology Co., Ltd. | Valve, expansion valve, and stepping control method thereof |
Also Published As
Publication number | Publication date |
---|---|
DE69515912D1 (de) | 2000-04-27 |
EP0811135A1 (en) | 1997-12-10 |
WO1996027108A1 (en) | 1996-09-06 |
CA2212804A1 (en) | 1996-09-06 |
US5632154A (en) | 1997-05-27 |
EP0811135B1 (en) | 2000-03-22 |
JPH11501114A (ja) | 1999-01-26 |
CN1181805A (zh) | 1998-05-13 |
IN186883B (zh) | 2001-12-01 |
BR9510519A (pt) | 1998-07-07 |
CA2212804C (en) | 2001-05-01 |
DE69515912T2 (de) | 2000-08-03 |
AU4522896A (en) | 1996-09-18 |
US5809794A (en) | 1998-09-22 |
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