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DK1629199T3 - Metode til styring af en installation til trykluft bestående af flere kompressorer, styreboks til anvendelse derved samt installation til trykluft, der anvender denne metode - Google Patents

Metode til styring af en installation til trykluft bestående af flere kompressorer, styreboks til anvendelse derved samt installation til trykluft, der anvender denne metode Download PDF

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Publication number
DK1629199T3
DK1629199T3 DK04724953.7T DK04724953T DK1629199T3 DK 1629199 T3 DK1629199 T3 DK 1629199T3 DK 04724953 T DK04724953 T DK 04724953T DK 1629199 T3 DK1629199 T3 DK 1629199T3
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DK
Denmark
Prior art keywords
compressors
compressed air
compressor
pressure
control
Prior art date
Application number
DK04724953.7T
Other languages
English (en)
Inventor
Johan Georg Urban Pettersson
Original Assignee
Atlas Copco Airpower Nv
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Filing date
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Application filed by Atlas Copco Airpower Nv filed Critical Atlas Copco Airpower Nv
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Publication of DK1629199T3 publication Critical patent/DK1629199T3/da

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/02Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06Combinations of two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • F04B49/065Control using electricity and making use of computers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/20Control of fluid pressure characterised by the use of electric means
    • G05D16/2006Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00Fluid parameters
    • F04B2205/03Pressure in the compression chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00Working fluid
    • F05B2210/10Kind or type
    • F05B2210/12Kind or type gaseous, i.e. compressible
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/301Pressure
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00Pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Claims (9)

1. Metode til styring af en trykluftsinstallation bestående af flere kompressorer, hvor installationen (1) hovedsageligt består af to eller flere elektrisk drevne kompressorer (2-3-4), hvor en er en 'loaded/unloaded' kompressor (2) og/eller en anden er en turbokompressor (3) og/eller en kompressortype (4) med variabel rotationshastighed, og hvor disse kompressorer (2-3-4) hver især er forbundet til et enkelt trykluftsnetværk (8) via deres udgange (5-6-7), og hvor hver kompressor (2-3-4) er udstyret med en eller flere styreenheder (11-12-15-19-20-22-26-34-35), og metoden anvender en styreboks (28), hvortil en tryksensor er forbundet (32) i det ovennævnte trykluftsnetværk (8), og hvorved en styreboks (28) gør det muligt at justere trykket (P) i ovennævnte trykluftsnetværk (8) så et måltryk (PS)kan angives inden for et trykinterval, der er begrænset af et mindste tryk (PMIN), der skal indstilles, og et maksimalt tryk (PMAX), der skal indstilles, hvorefter ovennævnte justering foregår ved at kontrollere flowet(O) i en eller flere af de ovennævnte kompressorer (2-3-4), især med henblik på at forøge det gennemsnits-flow, der leveres af kompressorerne (2-3-4), når trykket falder for meget, og til at formindske det leverede gen nemsn itsflow, når trykket bliver for højt; kendetegnet ved, at der på forhånd gemmes en evalueringstabel i styreboksens (28) hukommelse på hver af disse kompressorer (2-3-4) eller for hver type kompressor i installationen (1), hvor der, når det drejer sig om arbejdsvilkåret for kompressoren (2-3-4), vurderes en kontrolrækkefølge, hvorved der for hver kontrolrækkefølge for den pågældende kompressor angives en score, der er positiv, når påvirkningen af nævnte rækkefølge er gunstig for trykluftinstallationens (1) produktion, og negativ, når førnævnte påvirkning ikke er gunstig, og hvis den absolutte værdi er større end den gunstige eller ugunstige påvirkning ; og ved at der, mens trykluftinstallationen (1) er i drift, udvælge den mest gunstige kontrolrækkefølge i scorene, som kan lede det samlede flow i den ønskede retning for at bringe trykket (P) i trykluftsnetværket (8) tættere på det fastlagte måltryk (PS), der gensidigt kan sammenlignes med en algoritme, enten periodisk eller løbende, hvorefter den pågældende kontrolrækkefølge med højest score kan implementeres.
2. Metode i henhold til krav 1, kendetegnet ved, at kontrolboksen (28) styrer det overordnede luftflow i trykluftsinstallationen (1) ved at levere mindst én kontrolrækkefølge til ovennævnte styreenhed (11-12-15-19-20-22-26-34-35) i en kompressor, hvis kontrolrækkefølge kan være, blandt andre, at starte og/eller standse en eller flere kompressorer (23-4); ved at åbne eller lukke en styret indløbsventil (11-19) på en eller flere kom pressorer; ved at åbne eller lukke en udstødningsventil (12-20) på en eller flere kom-pressorer(2-3-4) i større eller mindre grad; og ved at justere rotationshastigheden for en eller flere kompressorer (3-4-5).
3. Metode i henhold til krav 1 eller 2, kendetegnet ved, at når trykket (P) i trykluftsnetværket (8) stiger til over de fastsatte måltryk (PS), så vil styreboksen (28) forøge det samlede flow i et bestemt stykke tid, før det indstillede maksimale tryk (PMAX) er nået, og når trykket (P) i trykluftsnetværket (8) falder til under det indstillede måltryk (PS), vil styreboksen (28) reducere det samlede flow i et bestemt stykke tid, før det minimale tryk (PMIN) er nået.
4. Metode i henhold til ethvert af de foregående krav, kendetegnet ved, at algoritmen, når den mest gunstige kontrolordre vælges, også vil tage hensyn til den samlede score af de kombinerede kontrolrækkefølger i en eller flere kompressorer (2-3-4), der kan lede det samlede flow i den ønskede retning, hvorved denne kontrolordre eller de kombinerede kontrolordrer med højeste score efterfølgende udføres.
5. Metode i henhold til ethvert af de foregående krav, kendetegnet ved, at for at vælge den mest gunstige kontrolrækkefølge, vil ovennævnte score for kontrolrækkefølgen forøges med en værdi, der er lig med forskellen mellem det tilførte flow og det krævede flow efter en hypotetisk implementering af kontrolrækkefølgen er gennemført, ganges der med en negativ vægtningsfaktor, hvis absolutte værdi er større end i det tilfælde, hvor ovennævnte forskel er positiv end der, hvor denne forskel er negativ.
6. Metode i henhold til ethvert af de foregående krav, kendetegnet ved, at for at vælge den mest gunstige kontrolrækkefølge, forøges ovennævnte scores med en værdi, der er lig med forskellen mellem det leverede flow, før kontrolordren, og det hypotetisk leverede flow efter kontrolrækkefølgen, der derefter ganges med en negativ vægtningsfaktor.
7. Metode i henhold til ethvert af de foregående krav, kendetegnet ved, at der, hvis der kræves et ens slid på alle kompressorer (2-3-4), så tillægges en værdi til de nævnte score, der er lig med antallet af arbejdstimer for kompressorerne (2-3-4), der ganges med en negativ vægtningsfaktor.
8. Metode i henhold til ethvert af de foregående krav, kendetegnet ved, at hvis der kræves en tvungen prioritetsrækkefølge for kompressorerne (2-3-4), vil der blive angivet en startrækkefølge for førnævnte kompressorer, der tilsidesætter ovennævnte scores, efter der er ganget med en negativ vægtningsfaktor.
9. Metode i henhold til ethvert af de foregående krav, kendetegnet ved, at hvis der kræves lav prioritering for en kompressor (2-3-4), vil der blive tilføjet en positiv værdi til førnævnte score for denne kompressor, der er det større, end prioriteten er lav.
DK04724953.7T 2003-04-04 2004-04-01 Metode til styring af en installation til trykluft bestående af flere kompressorer, styreboks til anvendelse derved samt installation til trykluft, der anvender denne metode DK1629199T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2003/0215A BE1015460A3 (nl) 2003-04-04 2003-04-04 Werkwijze voor het sturen van een persluchtinstallatie met meerdere compressoren, stuurdoos daarbij toegepast, en persluchtinstallatie die deze werkwijze toepast.
PCT/BE2004/000048 WO2004088140A1 (en) 2003-04-04 2004-04-01 Method for controlling a compressed air installation comprising several compressors, control box applied thereby and compressed air installation applying this method

Publications (1)

Publication Number Publication Date
DK1629199T3 true DK1629199T3 (da) 2016-12-05

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Country Status (10)

Country Link
US (1) US7955056B2 (da)
EP (1) EP1629199B1 (da)
JP (1) JP4468944B2 (da)
KR (1) KR100726203B1 (da)
CN (1) CN100425835C (da)
BE (1) BE1015460A3 (da)
BR (1) BRPI0409168B1 (da)
CA (1) CA2520823C (da)
DK (1) DK1629199T3 (da)
WO (1) WO2004088140A1 (da)

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CN1780987A (zh) 2006-05-31
BRPI0409168A (pt) 2006-04-11
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US7955056B2 (en) 2011-06-07
CN100425835C (zh) 2008-10-15
KR100726203B1 (ko) 2007-06-11
EP1629199A1 (en) 2006-03-01
EP1629199B1 (en) 2016-08-24
WO2004088140A1 (en) 2004-10-14
US20060257265A1 (en) 2006-11-16
JP2006522252A (ja) 2006-09-28
KR20050120770A (ko) 2005-12-23
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BRPI0409168B1 (pt) 2017-05-09
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