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    SAE J 1012-1993 Operator Enclosure Pressurization System Test Procedure《驾驶室增压系统试验程序》.pdf

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    SAE J 1012-1993 Operator Enclosure Pressurization System Test Procedure《驾驶室增压系统试验程序》.pdf

    1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro

    2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.QUESTIONS REGARDING THIS DOCUMENT: (412) 772-8512 FAX: (412) 776-0243TO PLACE A DOCUMENT

    3、 ORDER; (412) 776-4970 FAX: (412) 776-0790http:www.sae.orgCopyright 1993 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001RECOMMENDEDPRACTICEAn American National StandardJ1012ISO3737-96REV.JUN93Issued 1973-05Rev

    4、ised 1993-06Superseding J1012 NOV84(R) OPERATOR ENCLOSURE PRESSURIZATION SYSTEM TEST PROCEDUREForewordThis Document has not changed other than to put it into the new SAE Technical Standards BoardFormat.This SAE Recommended Practice is being proposed as a dual number between ISO and SAE because the r

    5、esultsof the test will be equivalent. The differences in the documents are as follows:The scope of J1012 (Section 1) encompasses all off-road self-propelled equipment - ISO 3737 (Section 1)is limited to agricultural tractors and self-propelled machines.Section 5.3 of J1012 allows one occupant to be

    6、in the cab during the test - Section 4.3 of ISO 3737specifies the enclosure to be unoccupied.1. ScopeThis SAE Recommended Practice establishes a uniform test procedure for evaluating performance ofoperator enclosure pressurization systems for construction, general-purpose industrial, agricultural, f

    7、orestry,and specialized mining machinery as categorized in SAE J1116 for off-road, self-propelled work machines.1.1 PurposeThe purpose of this document is to outline a procedure which will provide a uniform measurementof operator enclosure pressurization.2. References2.1 Applicable PublicationsThe f

    8、ollowing publications form a part of the specification to the extent specifiedherein. Unless otherwise indicated the lastest revision of SAE publications shall apply.2.1.1 SAE PUBLICATIONAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.SAE J1116 JUN86Categories of Off-Road Self-

    9、Propelled Work Machines2.1.2 ISO PUBLICATIONAvailable from ANSI, 11 West 42nd Street, New York, NY 10036-8002.ISO3737-1976Agricultural tractors and self-propelled machinesTest method for enclosurepressurization systemsCopyright SAE International Provided by IHS under license with SAENot for ResaleNo

    10、 reproduction or networking permitted without license from IHS-,-SAE J1012 Revised JUN93-2-2.2 Related PublicationThe following publication is provided for information purposes only and is not a requiredpart of this document.2.2.1 SAE PUBLICATIONAvailable from SAE, 400 Commonwealth Drive, Warrendale

    11、, PA 15096-0001.SAEJ1503 JUL86Performance Test for Air Conditioned, Heated, and Ventilated Off-Road Self-PropelledWork Machines3. Definitions3.1 PressurizationThe pressure differential between the static pressure inside and outside of the operatorenclosure.3.2 Pressurization SystemMeans used to pres

    12、surize the operator enclosure including any components whichwill influence the performance of the system. Blowers, filters, duct work, heat exchangers, etc., will be includedif the pressurizer is used to provide air flow through these units.4. Test Equipment4.1 A manometer to measure pressurization.

    13、 Its maximum error shall not exceed 10%.4.2 A voltmeter to monitor voltage in the pressurizer electrical system during the test. Its maximum error shall notexceed 2%.5. Test Conditions5.1 The pressurizer system shall be completely powered by the standard equipment on the test machine, with theengine

    14、 operating at rated speed. The voltage at the blower terminals shall be no more than 20% above thenominal rating of the system. (Example: 14.4 V for a 12 V system.)5.2 All machine accessories pertinent to operation of the enclosure, enclosure components, air filters, and blowersshall be standard pro

    15、duction parts or equivalent, adjusted within the manufacturers specification limits. Cleanair filters are recommended since the amount of dirt in the filter may affect pressurization.5.3 No more than one occupant may be inside of the operator enclosure during the test.6. Test Procedure6.1 The operat

    16、or enclosure shall be equipped with all applicable equipment (see 3.2). The pressurizer systemshall be operated using maximum outside air, with the maximum blower speed setting. Any automaticpressurization controls shall not be locked out. The pressurization system shall be in operation for a minimu

    17、mof 15 min prior to obtaining data.6.2 To obtain uniform results, neither the cooling nor heating system shall be in operation during the pressurizationsystem tests.6.3 The blower voltage, ambient temperature, barometric pressure, wind velocity, and wind direction in relation tothe machine centerlin

    18、e shall be recorded for reference only.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE J1012 Revised JUN93-3-6.4 Record operator enclosure pressurization.NOTEAvoid velocity head on manometer by kee

    19、ping its outlets away from air streams.7. Reported Results7.1 Obtained Enclosure PressureMeasured in Pascals (Pa).8. Notes8.1 Marginal IndiciaThe change bar (l) located in the left margin is for the convenience of the user in locatingareas where technical revisions have been made to the previous iss

    20、ue of the report. An (R) symbol to the leftof the document title indicates a complete revision of the report.PREPARED BY THE SAE HUMAN FACTORS TECHNICAL COMMITTEE SC6OPERATOR ACCOMMODATIONCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking pe

    21、rmitted without license from IHS-,-SAE J1012 Revised JUN93RationaleThe purpose of this document is to provide a uniform test procedure for the measurement ofoperator enclosure pressurization system performance. It also expands the scope to include other off-road self-propelled work machines, since i

    22、t currently applies only to agricultural tractors.Relationship of SAE Standard to ISO StandardTechnically equivalent to ISO 3737 with the followingexceptions:J1012 covers all off-road self-propelled machines while ISO 3737 covers only agricultural tractors andself-propelled machines.J1012 allows one

    23、 occupant to be in the cab during the test while ISO 3737 specifies that enclosure shallbe unoccupied.ISO/DIS 10263 is a document which encompasses several SAE standards relating to the OperatorEnclosure including the elements of J1012. At this time it is not referenced because it has not beenapprov

    24、ed.ApplicationThis SAE Recommended Practice establishes a uniform test procedure for evaluatingperformance of operator enclosure pressurization systems for construction, general-purpose industrial,agricultural, forestry, and specialized mining machinery as categorized in SAE J1116 for off-road, self

    25、-propelled work machines.Reference SectionSAE J1116 JUN86Categories of Off-Road Self-Propelled Work MachinesSAEJ1503 JUL86Performance Test for Air Conditioned, Heated, and Ventilated Off-Road Self-Propelled Work MachinesISO3737-1976Agricultural tractors and self-propelled machinesTest method for enc

    26、losurepressurization systemsDeveloped by the SAE Human Factors Technical Committee SC6Operator AccommodationSponsored by the SAE Human Factors Technical CommitteeCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-


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