EP1400696B1 - Procédé de commande d'un ensemble de compresseurs et/ou de ventilateurs - Google Patents
Procédé de commande d'un ensemble de compresseurs et/ou de ventilateurs Download PDFInfo
- Publication number
- EP1400696B1 EP1400696B1 EP03019248A EP03019248A EP1400696B1 EP 1400696 B1 EP1400696 B1 EP 1400696B1 EP 03019248 A EP03019248 A EP 03019248A EP 03019248 A EP03019248 A EP 03019248A EP 1400696 B1 EP1400696 B1 EP 1400696B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- time
- switch
- delay
- compressor
- compressors
- 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 title claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 230000003321 amplification Effects 0.000 claims abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract 2
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/02—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/06—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
-
- 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
- F25B49/025—Motor control 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
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- 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
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
-
- 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
- F25B2500/19—Calculation of parameters
-
- 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
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- 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
Definitions
- the invention relates to a method for controlling a compressor set or a fan set, comprising one or more compressors or one or more fans.
- the regulation of the suction pressure is done by switching on or off one or more compressors.
- the regulation of the high pressure is done by switching on or off one or more fan levels.
- the time delay t g is composed of a base switch-on time t b - which is assumed to be constant - and a variable switching time t v dependent on the control deviation.
- switching times that are too long cause the permissible switching frequency of the compressor or fan to be exceeded.
- the switching times are set at the time of commissioning of a refrigeration system or machine, but these are to be regarded as optimal only for the system state prevailing at startup.
- DE 35 00 636 A1 describes a method for controlling the operation of a number of compressors, each of which is equipped with a capacity regulator which can gradually change the output of the compressor to provide a total output which meets the power requirements which is currently changing.
- the control system is divided into a power control loop for responding to a relatively small load change and a compressor control loop for responding to a relatively large load change.
- the compressors and the power regulators are started sequentially, measuring the periods of operation of the compressors and the power regulators.
- the power control loop is further divided into a sub-loop for power controllers of a compressor that has worked the longest and is to be stopped first, and a sub-loop for the power controllers of the other compressors.
- the no-load operation preferably starts at the lower loop for the power controllers of the first-to-stop compressor, while the load operation is first performed at the lower loop for the power controllers of the other compressors.
- No. 5,231,846 A describes a method for the stepwise operation of compressors for a refrigeration system with a plurality of compressors, wherein the method comprises the following stages: a first operating state is calculated for each compressor, and a second operating state for each compressor. Furthermore, the status of each compressor is determined, thereby creating a first list of circuits with compressors that are available to be turned on and creating a second list of circuits with compressors that are available to be turned off. For the control of the compressors with the aid of the created lists, a distinction is made according to whether the cooling capacity is to be increased or reduced on the other hand.
- Object of the present invention is to provide a generic method, which makes it possible to adjust the switching times of the compressor or fan to the respective current environmental conditions and / or to the respective required power requirements.
- the maximum number of switching operations per hour per compressor or per fan is initially set to limit the switching frequency of the compressor or fan.
- this parameter it is determined in which minimum intervals a compressor or fan can or may be switched on.
- the maximum switching frequency is 10 switching operations per hour
- a compressor or fan can therefore be switched on again every 6 minutes at the earliest; The prerequisite for this is, of course, that the compressor or fan was previously switched off.
- a demand cycle time t az this is defined as a time interval between the switching on of a compressor or fan and the next time, to which there is again a cold or heat demand and delayed a compressor or fan is switched on.
- connection of one or more compressors or fans takes place after a delay time t V_IN , the switching off of one or more compressors or fans after a delay time t V_AUS .
- the on and off delay times t V_IN and t V_AUS are recalculated per compressor or fan respectively for the next demand cycle .
- the on and off delay times are composed of a basic on-time t b and a variable switching delay or switching time t v .
- the (shortest) switch-on blocking time t S_ON is distributed as a percentage to both delay times .
- t V_AUS_B t V_AUS_B + ( t BE * ( 1 - P V_EIN ) * P LEG ) * P
- t V_AUS_V t V_AUS_V + ( t BE * ( 1 - P V_EIN ) * ( 1 - P LEG ) ) * P
- N stands for the number of compressors or fans that are switched on during a demand cycle time.
- t g_EIN t V_EIN_B + t V_EIN_V .
- t g_AUS t V_AUS_B + t V_AUS_V
- the inventive method for controlling a compressor set or a fan set allows optimization of the switching times of the compressor and fan of a compressor or fan set. A manual optimization of the switching times - as is done so far - is unnecessary thanks to the method according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Claims (1)
- Procédé de régulation d'un ensemble de compresseurs ou d'un ensemble de ventilateurs, comportant un ou plusieurs compresseurs ou un ou plusieurs ventilateurs, caractérisé en ce quea) on prédéfinit pour les compresseurs ou ventilateurs le nombre maximal de commutations par heure et on calcule à partir de ceci la temporisation à la mise en marche tE, tE étant égal à 60 minutes/nombre maximal de commutations par heure,b) on détermine le temps de cycle des besoins tBZ qui est défini comme l'intervalle de temps entre la mise en marche d'un compresseur ou ventilateur et l'instant suivant auquel on a à nouveau besoin de froid ou de chaleur, et auquel un compresseur ou ventilateur est mis en circuit de manière temporisée,c) on détermine un temps de blocage de mise en marche tS_EIN par compresseur ou ventilateur, tS_EIN = tE - tBZ - tV_EIN et la temporisation tV_EIN avec laquelle un compresseur ou ventilateur est mis en service, étant prédéfinie,d) on détermine un nouveau de temps de base de mise en marche tV_EIN_B, pour lequel on a :
P étant un facteur de proportionnalité au moyen duquel peut s'effectuer une amplification ou un amortissement du régulateur, N étant le nombre de compresseurs ou de ventilateurs qui sont mis en marche pendant un temps de cycle des besoins, et le temps de blocage de mise en marche tS_EIN déterminé étant réparti en pourcentage entre la temporisation de base de mise en marche et la temporisation variable de mise en marche, PV_EIN étant un pourcentage de la temporisation variable de mise en marche et PB_EIN un pourcentage de la temporisation de base de mise en marche,h) on détermine la temporisation tg_EIN avec laquelle un compresseur ou un ventilateur est mis en circuit, selon la formule suivante : tg_EIN = tV_EIN_B + tV_EIN_B + tV_EIN_V, eti) on détermine la temporisation tg_AUS avec laquelle un compresseur ou ventilateur est mis à l'arrêt, selon la formule suivante : tg_AUS = tV_AUS_S + tV_AUS_V.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10243854 | 2002-09-20 | ||
DE10243854A DE10243854A1 (de) | 2002-09-20 | 2002-09-20 | Verfahren zum Regeln eines Verdichter-und/oder Lüftersatzes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1400696A1 EP1400696A1 (fr) | 2004-03-24 |
EP1400696B1 true EP1400696B1 (fr) | 2006-03-08 |
Family
ID=31896258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03019248A Expired - Lifetime EP1400696B1 (fr) | 2002-09-20 | 2003-08-26 | Procédé de commande d'un ensemble de compresseurs et/ou de ventilateurs |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1400696B1 (fr) |
AT (1) | ATE319933T1 (fr) |
DE (2) | DE10243854A1 (fr) |
ES (1) | ES2257622T3 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009057173A1 (de) * | 2009-12-05 | 2011-06-09 | Volkswagen Ag | Verfahren zum Steuern einer Klimatisierung eines Innenraums eines Fahrzeugs |
CN104302992B (zh) * | 2011-06-16 | 2016-11-09 | 马士基航运公司 | 冷藏运输集装箱中的内部空气循环控制 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60147585A (ja) * | 1984-01-11 | 1985-08-03 | Hitachi Ltd | 圧縮機の制御方法 |
DE3543707A1 (de) * | 1985-12-11 | 1987-06-19 | Linde Ag | Verfahren zum betreiben einer verdichter-verbundanlage |
DE3832037A1 (de) * | 1988-09-21 | 1990-03-22 | Kriwan Ind Elektronik Gmbh | Verfahren zur steuerung von arbeitsmaschinen in einer verbundanlage |
US5343384A (en) * | 1992-10-13 | 1994-08-30 | Ingersoll-Rand Company | Method and apparatus for controlling a system of compressors to achieve load sharing |
US5231846A (en) * | 1993-01-26 | 1993-08-03 | American Standard Inc. | Method of compressor staging for multi-compressor multi-circuited refrigeration systems |
US6419454B1 (en) * | 2000-06-14 | 2002-07-16 | Leo P. Christiansen | Air compressor control sequencer |
-
2002
- 2002-09-20 DE DE10243854A patent/DE10243854A1/de not_active Withdrawn
-
2003
- 2003-08-26 EP EP03019248A patent/EP1400696B1/fr not_active Expired - Lifetime
- 2003-08-26 ES ES03019248T patent/ES2257622T3/es not_active Expired - Lifetime
- 2003-08-26 DE DE50302574T patent/DE50302574D1/de not_active Expired - Lifetime
- 2003-08-26 AT AT03019248T patent/ATE319933T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1400696A1 (fr) | 2004-03-24 |
DE10243854A1 (de) | 2004-04-01 |
ES2257622T3 (es) | 2006-08-01 |
DE50302574D1 (de) | 2006-05-04 |
ATE319933T1 (de) | 2006-03-15 |
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