DE19903674A1 - Integrated high resolution digital position measurement for free-piston motor suitable as drive for generators, using measurement points arranged on linear generator connected to free-piston motor - Google Patents

Integrated high resolution digital position measurement for free-piston motor suitable as drive for generators, using measurement points arranged on linear generator connected to free-piston motor

Info

Publication number
DE19903674A1
DE19903674A1 DE19903674A DE19903674A DE19903674A1 DE 19903674 A1 DE19903674 A1 DE 19903674A1 DE 19903674 A DE19903674 A DE 19903674A DE 19903674 A DE19903674 A DE 19903674A DE 19903674 A1 DE19903674 A1 DE 19903674A1
Authority
DE
Germany
Prior art keywords
free
piston
linear generator
integrated
piston motor
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.)
Withdrawn
Application number
DE19903674A
Other languages
German (de)
Inventor
Reinhard Wollherr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19903674A priority Critical patent/DE19903674A1/en
Publication of DE19903674A1 publication Critical patent/DE19903674A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1869—Linear generators; sectional generators
    • H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
    • H02K7/1884—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts structurally associated with free piston engines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Measurement points arranged on the moving parts of the linear motor which is connected with the free-piston of the engine facilitates recording of the exact position of the movable parts of the linear generator. A claim is made for integrated position measurement for optimized regulation of linear generator as well as linear motor, for continuous, exact positioning of the piston during operation, and for starting the free-piston engine using battery or mains power supply.

Description

Es ist bekannt, dass Freikolbenmotoren für den Einsatz als Antriebsmaschine eines stationären oder mobilen Generators auch für Hybridantriebe besonders geeignet sind.It is known that free piston engines for use as a prime mover stationary or mobile generators are also particularly suitable for hybrid drives.

Der im Patentanspruch 1 angegebenen Erfindung liegt das Problem zugrunde, einen hohen Gesamtwirkungsgrad durch eine digitalisierte Regelung des Freikolbenmotors mit Hilfe eines Prozessors unter gleichzeitiger Einbeziehung der optimalen digitalisierten Regelung für den in einem Freikolbenmotor integrierten, linearen Generator (E, F, G) und zusätzlicher Strom­ gewinnung aus dem Abgasstrom zu erreichen, um insbesondere die Voraussetzung für eine kompakte, leichte Hybrid-Antriebsmaschine in Elektrofahrzeugen wie auch im stationären Betrieb für die Kraft-Wärme-Koppelung zu schaffen. Sowohl die digitalisierte Regelung des Freikolben-Motors als auch die gleichzeitig einbezogene digitalisierte Regelung des integrierten linearen Generators bzw. Elektromotors ist durch die auf den beweglichen Bestandteilen des Lineargenerators (E, F) aufgebrachten Meßpunkte in hoher Auflösung für die Erfassung der aktuellen Kolbenposition (D) und gleichzeitig der mit ihm verbundenen bewegten Teile des Lineargenerators in optimaler Weise gesichert.The invention specified in claim 1 is based on the problem, a high Overall efficiency through digital control of the free-piston engine using a Processor with simultaneous inclusion of the optimal digitized regulation for the in a free piston engine integrated linear generator (E, F, G) and additional current to achieve extraction from the exhaust gas flow, in particular the prerequisite for a compact, light hybrid drive machine in electric vehicles as well as in stationary To create operation for cogeneration. Both the digitized regulation of the Free piston engine as well as the digitized control of the integrated linear generator or electric motor is due to the on the movable Components of the linear generator (E, F) applied measuring points in high resolution for the detection of the current piston position (D) and at the same time that associated with it Moving parts of the linear generator secured in an optimal way.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, dass sich durch die digitale Meßeinrichtung für die bewegten Teile des Lineargenerators eine hoch optimierte Regelung sowohl von Freikolben-Motor als auch Generator sowie Elektromotor erzielen lassen und dass sich die wichtigsten Motorkomponenten wie Zylinder (C), Kolben (D), Ventile (A), Einspritz- und Zündvorrichtungen (B) aus der Großserienfertigung mit den bekannten Parametern für den wirtschaftlichsten Betrieb einsetzen lassen für jedes mögliche Motorprinzip ob nach Otto oder Diesel auch mit Direkteinspritzung für den Freikolbenmotor und damit auch für zusätzliche Stromgewinnung über Elektroden bei gleichzeitiger Rußfilterung aus dem Abgas, wobei ein integrierter, digital geregelter Lineargenerator Strom produziert und als Linear-Elektromotor (E, F, G) in Umkehrung des Generatorprinzips zur kontinuierlichen exakten Positionierung des Kolbens (D) und zum Anlassen des Freikolben- Motors dient, der auch als gegenläufiger Doppelkolbenmotor arbeiten kann.The advantages achieved with the invention consist in particular in that digital measuring device for the moving parts of the linear generator a highly optimized Achieve control of both the free-piston engine and the generator and electric motor and that the most important engine components such as cylinders (C), pistons (D), valves (A), injection and ignition devices (B) from large series production with the known Let parameters for the most economical operation be used for every possible Engine principle whether Otto or Diesel also with direct injection for the free piston engine and thus also for additional power generation via electrodes with simultaneous Soot filtering from the exhaust gas, with an integrated, digitally controlled linear generator current produced and as a linear electric motor (E, F, G) in reverse of the generator principle continuous exact positioning of the piston (D) and for starting the free piston Serves motor, which can also work as an opposite double piston engine.

Claims (2)

1. Integrierte, hochauflösende digitale Positionsmessung für Freikolbenmotoren mit Lineargenerator, dadurch gekennzeichnet, daß auf den bewegten Teilen des Linear­ generators, der mit dem Freikolben des Motors fest verbunden ist, Meßpunkte angeordnet sind, die die Erfassung der exakten Position der beweglichen Teile der Lineargeneratoren und damit auch gleichzeitig der Kolbenposition in sehr hoher Auflösung auch mit Hilfe der Lasertechnik ermöglichen, um eine hoch optimierte Regelung sowohl des Freikolbenmotors als auch des integrierten Lineargenerators mit der Möglichkeit der zusätzlichen, geregelten Stromgewinnung über Elektroden aus dem Abgas mit gleichzeitiger Rußfilterung zu erreichen. Insbesondere wird durch die sehr präzise digitale Messung der Freikolbenposition die voll-elektronische Steuerung der Ventile ermöglicht, um jedes Verbrennungsmotorprinzip für die Freikolbenmaschine einsetzen zu können auch als gegenläufiger Doppelkolbenmotor.1. Integrated, high-resolution digital position measurement for free-piston engines with a linear generator, characterized in that measuring points are arranged on the moving parts of the linear generator, which is firmly connected to the free-piston of the engine, which detect the exact position of the moving parts of the linear generators and This also enables the piston position in very high resolution with the help of laser technology to achieve a highly optimized control of both the free-piston engine and the integrated linear generator with the possibility of additional, regulated power generation via electrodes from the exhaust gas with soot filtering at the same time. In particular, the very precise digital measurement of the free piston position enables fully electronic control of the valves in order to be able to use any internal combustion engine principle for the free piston machine, even as an opposing double piston engine. 2. Integrierte, hochauflösende digitale und analoge Positionsmessung für Freikolbenmotoren mit Lineargenerator, dadurch gekennzeichnet, daß die integrierte Positionsmessung für die optimierte Regelung des Lineargenerators auch für die gleichzeitige Regelung als Linearmotor Verwendung findet zur notwendigen, kontinuierlichen, exakten Positionierung des Kolbens während des Betriebs und zum Anlassen des Freikolbenmotors über den Batteriestrom oder die Netzstromversorgung bei stationärem Einsatz, wobei die Positions­ feststellung auch sensorlos prozessorgestüzt redundant oder nicht redundant erfolgen kann.2. Integrated, high-resolution digital and analog position measurement for free-piston engines with linear generator, characterized in that the integrated position measurement for the optimized regulation of the linear generator also for simultaneous regulation as Linear motor is used for the necessary, continuous, exact positioning of the piston during operation and for starting the free piston engine via the Battery power or the mains power supply for stationary use, the positions determination can also be done sensorless processor-supported redundant or non-redundant.
DE19903674A 1999-02-03 1999-02-03 Integrated high resolution digital position measurement for free-piston motor suitable as drive for generators, using measurement points arranged on linear generator connected to free-piston motor Withdrawn DE19903674A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19903674A DE19903674A1 (en) 1999-02-03 1999-02-03 Integrated high resolution digital position measurement for free-piston motor suitable as drive for generators, using measurement points arranged on linear generator connected to free-piston motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19903674A DE19903674A1 (en) 1999-02-03 1999-02-03 Integrated high resolution digital position measurement for free-piston motor suitable as drive for generators, using measurement points arranged on linear generator connected to free-piston motor

Publications (1)

Publication Number Publication Date
DE19903674A1 true DE19903674A1 (en) 2000-08-10

Family

ID=7895865

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19903674A Withdrawn DE19903674A1 (en) 1999-02-03 1999-02-03 Integrated high resolution digital position measurement for free-piston motor suitable as drive for generators, using measurement points arranged on linear generator connected to free-piston motor

Country Status (1)

Country Link
DE (1) DE19903674A1 (en)

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