CA2063904A1 - Regulation modulee de temperature pour chambre a atmosphere controlee - Google Patents
Regulation modulee de temperature pour chambre a atmosphere controleeInfo
- Publication number
- CA2063904A1 CA2063904A1 CA2063904A CA2063904A CA2063904A1 CA 2063904 A1 CA2063904 A1 CA 2063904A1 CA 2063904 A CA2063904 A CA 2063904A CA 2063904 A CA2063904 A CA 2063904A CA 2063904 A1 CA2063904 A1 CA 2063904A1
- Authority
- CA
- Canada
- Prior art keywords
- temperature
- control signal
- minimum
- maximum
- substantially continuous
- 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.)
- Granted
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
-
- 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
- F25B2600/2521—On-off valves controlled by pulse signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US792,705 | 1991-11-15 | ||
US07/792,705 US5226472A (en) | 1991-11-15 | 1991-11-15 | Modulated temperature control for environmental chamber |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2063904A1 true CA2063904A1 (fr) | 1993-05-16 |
CA2063904C CA2063904C (fr) | 1994-08-02 |
Family
ID=25157806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002063904A Expired - Fee Related CA2063904C (fr) | 1991-11-15 | 1992-03-24 | Regulation modulee de temperature pour chambre a atmosphere controlee |
Country Status (2)
Country | Link |
---|---|
US (1) | US5226472A (fr) |
CA (1) | CA2063904C (fr) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3188363B2 (ja) | 1994-01-21 | 2001-07-16 | エフエスアイ・インターナショナル・インコーポレーテッド | 循環クーラントを用いた温度コントローラ及びそのための温度制御方法 |
EP0701915A1 (fr) * | 1994-09-19 | 1996-03-20 | Valeo Klimasysteme GmbH | Dispositif de conditionnement d'air pour véhicule |
US6047557A (en) * | 1995-06-07 | 2000-04-11 | Copeland Corporation | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
GB2314901B (en) * | 1996-07-02 | 2001-02-14 | Luk Getriebe Systeme Gmbh | Fluid-operated regulating apparatus and method of using the same |
US5778692A (en) * | 1996-08-20 | 1998-07-14 | International Business Machines Corporation | Allocation of compressors to cooling chambers |
US6206652B1 (en) | 1998-08-25 | 2001-03-27 | Copeland Corporation | Compressor capacity modulation |
US6047556A (en) * | 1997-12-08 | 2000-04-11 | Carrier Corporation | Pulsed flow for capacity control |
US6072163A (en) * | 1998-03-05 | 2000-06-06 | Fsi International Inc. | Combination bake/chill apparatus incorporating low thermal mass, thermally conductive bakeplate |
US6505475B1 (en) | 1999-08-20 | 2003-01-14 | Hudson Technologies Inc. | Method and apparatus for measuring and improving efficiency in refrigeration systems |
US20050145047A1 (en) * | 1999-09-16 | 2005-07-07 | Bjorn Frannhagen | Climatic test chamber system and a method |
WO2001019519A1 (fr) * | 1999-09-16 | 2001-03-22 | Mirai Electronics Ab | Systeme de chambre d'essais climatiques, et procede de fonctionnement correspondant |
KR100395919B1 (ko) * | 2000-06-07 | 2003-08-27 | 삼성전자주식회사 | 공기조화기의 과열도 제어 시스템 및 그 제어 방법 |
US6357242B1 (en) * | 2000-07-20 | 2002-03-19 | Delphi Technologies, Inc. | Control system and method for suppressing head pressure spikes in a vehicle air conditioning system |
US6601397B2 (en) | 2001-03-16 | 2003-08-05 | Copeland Corporation | Digital scroll condensing unit controller |
US6668240B2 (en) | 2001-05-03 | 2003-12-23 | Emerson Retail Services Inc. | Food quality and safety model for refrigerated food |
US6892546B2 (en) | 2001-05-03 | 2005-05-17 | Emerson Retail Services, Inc. | System for remote refrigeration monitoring and diagnostics |
US6529686B2 (en) | 2001-06-06 | 2003-03-04 | Fsi International, Inc. | Heating member for combination heating and chilling apparatus, and methods |
US6651451B2 (en) * | 2002-04-23 | 2003-11-25 | Vai Holdings, Llc | Variable capacity refrigeration system with a single-frequency compressor |
US6889173B2 (en) | 2002-10-31 | 2005-05-03 | Emerson Retail Services Inc. | System for monitoring optimal equipment operating parameters |
BRPI0413921B1 (pt) | 2003-08-25 | 2017-12-12 | Computer Process Controls, Inc. | Method and refrigeration system |
KR20050075803A (ko) * | 2004-01-16 | 2005-07-22 | 삼성전자주식회사 | 냉동사이클 성능검사장치 |
US7412842B2 (en) | 2004-04-27 | 2008-08-19 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system |
US7275377B2 (en) | 2004-08-11 | 2007-10-02 | Lawrence Kates | Method and apparatus for monitoring refrigerant-cycle systems |
EP1851959B1 (fr) | 2005-02-21 | 2012-04-11 | Computer Process Controls, Inc. | Systeme de surveillance et de commande d'entreprise |
US7752854B2 (en) | 2005-10-21 | 2010-07-13 | Emerson Retail Services, Inc. | Monitoring a condenser in a refrigeration system |
US7665315B2 (en) | 2005-10-21 | 2010-02-23 | Emerson Retail Services, Inc. | Proofing a refrigeration system operating state |
US7752853B2 (en) | 2005-10-21 | 2010-07-13 | Emerson Retail Services, Inc. | Monitoring refrigerant in a refrigeration system |
US7596959B2 (en) | 2005-10-21 | 2009-10-06 | Emerson Retail Services, Inc. | Monitoring compressor performance in a refrigeration system |
US7594407B2 (en) | 2005-10-21 | 2009-09-29 | Emerson Climate Technologies, Inc. | Monitoring refrigerant in a refrigeration system |
CN101317045B (zh) * | 2005-11-30 | 2010-05-12 | 开利公司 | 带有压力调节阀的脉宽调制系统 |
US8590325B2 (en) | 2006-07-19 | 2013-11-26 | Emerson Climate Technologies, Inc. | Protection and diagnostic module for a refrigeration system |
CN101501412B (zh) * | 2006-08-08 | 2012-07-11 | 开利公司 | 制冷系统以及控制制冷系统的方法 |
US20080216494A1 (en) | 2006-09-07 | 2008-09-11 | Pham Hung M | Compressor data module |
US8157538B2 (en) | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
US20090037142A1 (en) | 2007-07-30 | 2009-02-05 | Lawrence Kates | Portable method and apparatus for monitoring refrigerant-cycle systems |
US9140728B2 (en) | 2007-11-02 | 2015-09-22 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US8607582B2 (en) | 2008-10-24 | 2013-12-17 | Thermo King Corporation | Controlling chilled state of a cargo |
ES2623055T3 (es) | 2009-01-27 | 2017-07-10 | Emerson Climate Technologies, Inc. | Sistema y método de descarga para un compresor |
AU2010253739B2 (en) | 2009-05-29 | 2015-07-16 | Emerson Climate Technologies Retail Solutions, Inc. | System and method for monitoring and evaluating equipment operating parameter modifications |
EP2681497A4 (fr) | 2011-02-28 | 2017-05-31 | Emerson Electric Co. | Solutions de contrôle et de diagnostic d'un système hvac destinées à des habitations |
US8964338B2 (en) | 2012-01-11 | 2015-02-24 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US9310439B2 (en) | 2012-09-25 | 2016-04-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
US9803902B2 (en) | 2013-03-15 | 2017-10-31 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification using two condenser coil temperatures |
US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
US9638436B2 (en) | 2013-03-15 | 2017-05-02 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
CA2908362C (fr) | 2013-04-05 | 2018-01-16 | Fadi M. Alsaleem | Systeme de pompe a chaleur a diagnostique de charge de fluide refrigerant |
CN104635678B (zh) * | 2014-12-17 | 2017-09-29 | 佛山市汉隆自动化技术有限公司 | 一种多路电加热pwm控制系统 |
CN107128149A (zh) * | 2017-05-31 | 2017-09-05 | 贵州甜达科技发展有限公司 | 车载空调系统及汽车 |
EP3647778B1 (fr) * | 2018-10-30 | 2022-03-02 | Sciosense B.V. | Dispositif électro-thermique et procédé pour faire fonctionner un dispositif de chauffage |
US11549606B2 (en) * | 2018-11-28 | 2023-01-10 | Mahle International Gmbh | Pilot-pressure-controlled flow valve and fluid system containing same |
TR202013273A2 (tr) * | 2020-08-21 | 2021-03-22 | Ottonom Muehendislik Coezuemleri Tasarim Otomasyon Danismanlik A S | Soğutma i̇şlemi̇ kontrol yöntemi̇ |
CN113867436B (zh) * | 2021-09-17 | 2022-07-01 | 深圳市海一电器有限公司 | 智能烹饪方法及系统 |
CN116203342B (zh) * | 2023-04-27 | 2023-07-07 | 成都中航华测科技有限公司 | 一种基于高低温实验箱的器件测试过程的温度控制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3698204A (en) * | 1971-06-16 | 1972-10-17 | Gen Motors Corp | Electronic controller for automotive air conditioning system |
US3914952A (en) * | 1972-06-26 | 1975-10-28 | Sparlan Valve Company | Valve control means and refrigeration systems therefor |
FR2496921A1 (fr) * | 1980-12-22 | 1982-06-25 | Motorola Automobile | Procede et dispositif d'asservissement |
US4556528A (en) * | 1983-06-16 | 1985-12-03 | The Garrett Corporation | Mold and method for casting of fragile and complex shapes |
US4663725A (en) * | 1985-02-15 | 1987-05-05 | Thermo King Corporation | Microprocessor based control system and method providing better performance and better operation of a shipping container refrigeration system |
US4784213A (en) * | 1986-04-08 | 1988-11-15 | Temptronic Corporation | Mixing valve air source |
US4789025A (en) * | 1987-11-25 | 1988-12-06 | Carrier Corporation | Control apparatus for refrigerated cargo container |
US4928750A (en) * | 1988-10-14 | 1990-05-29 | American Standard Inc. | VaV valve with PWM hot water coil |
-
1991
- 1991-11-15 US US07/792,705 patent/US5226472A/en not_active Expired - Fee Related
-
1992
- 1992-03-24 CA CA002063904A patent/CA2063904C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5226472A (en) | 1993-07-13 |
CA2063904C (fr) | 1994-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2063904A1 (fr) | Regulation modulee de temperature pour chambre a atmosphere controlee | |
US5247989A (en) | Modulated temperature control for environmental chamber | |
CA2211853A1 (fr) | Appareil de reglage destine a un systeme de refrigeration de locaux | |
CA1252177A (fr) | Dispositif regulateur de la capacite d'un compresseur a volume variable | |
US5052186A (en) | Control of outdoor air source water heating using variable-speed heat pump | |
US5289692A (en) | Apparatus and method for mass flow control of a working fluid | |
MX9504618A (es) | Control de velocidad de flujo refrigerante basado en la sequedad en el evaporador. | |
US4685309A (en) | Pulse controlled expansion valve for multiple evaporators and method of controlling same | |
US4498310A (en) | Heat pump system | |
US5170936A (en) | Heat pump type heating apparatus and control method thereof | |
CA2098680A1 (fr) | Controleur commande par un microprocesseur | |
USRE33775E (en) | Pulse controlled expansion valve for multiple evaporators and method of controlling same | |
GB2244150A (en) | Refrigeration control | |
TW366404B (en) | Air conditioner control method and apparatus of the same | |
CA2140179A1 (fr) | Deux detendeurs, dont un pour regler la pression en mode chauffage et un en mode refroidissement | |
CA2253208A1 (fr) | Systeme frigorifique | |
JPS6241134B2 (fr) | ||
WO2005022050A3 (fr) | Pompe a chaleur avec entree d'air surcomprime | |
US5970726A (en) | Defrost control for space cooling system | |
GB2235970A (en) | Air conditioner having a refrigerant heater | |
US8424328B2 (en) | Suction valve pulse width modulation control based on evaporator or condenser pressure | |
GB2143343A (en) | Thermostatically controlled mixer | |
US5941086A (en) | Expansion valve unit | |
KR970047377A (ko) | 공기 조화기 | |
JPH0114864Y2 (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |