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RATIONALE 基本原理Because of drawing reproduction and possible confusion and for clarity, Figure 1 SAE J577 Vibration Test Machine drawing has been removed. Only the vibration requirements are shown.由于復(fù)印圖紙可能不夠清楚而引起混淆同時(shí)為了確保清晰,圖1-SAE J577震動(dòng)測(cè)試儀圖紙被移除。只顯示震動(dòng)測(cè)試要求Aiming adjustment tests were added to help insure amiability of the head lamp and insure the lamps are secure during operation of the machine.為了確保頭燈的穩(wěn)定性及其在機(jī)械操作過程中的安全性,增加了瞄準(zhǔn)調(diào)整測(cè)試Visual service aiming was added to include beam definition. This will allow the beam to have adequate definition so that it can be visually aimed at the factory and in the field.增加了目測(cè)瞄準(zhǔn)并賦予光束以定義,從而使得在工廠內(nèi)部或?qū)嶋H場(chǎng)地中都可以對(duì)其進(jìn)行目測(cè)瞄準(zhǔn)Photometric intensities in Tables 1 and 2 were left as is after the Special Purpose Vehicle Committee reviewed the necessity to have them changed. It was decided that the intensities were sufficient for the present.特種車委員會(huì)經(jīng)過商議之后決定保留表1和表2中的光度標(biāo)準(zhǔn),留待日后加以更改。目前該標(biāo)準(zhǔn)是合適的FOREWORD 前言This SAE Recommended Practice is intended as a guide toward standard practice, but may be subject to frequent change to keep pace with experience and technical advances. Hence, its use where flexibility of revision is impractical is not recommended. SAE推薦操作方法旨在為標(biāo)準(zhǔn)化操作提供一個(gè)樣本,但考慮到實(shí)際經(jīng)驗(yàn)和技術(shù)革新是在不斷發(fā)展的,因此有必要靈活采用1. SCOPE 1. 范圍This SAE Recommended Practice provides test procedures and performance requirements for all-terrain vehicle headlamps.本推薦操作方法為全地形車頭燈提供測(cè)試流程及規(guī)定了性能要求2. REFERENCES2. 參考出版物2.1 Applicable Publications 適用的出版物The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated the latest revision of SAE publications shall apply.下列出版物構(gòu)成本指南的一部分;除非特別指出,SAE最新的其他出版物同樣適用2.1.1 SAE Publications SAE出版物Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), . 可通過致信SAE國(guó)際聯(lián)系,地址為400 Commonwealth Drive, Warren dale, PA 15096-0001;電話:877-606-7323(美國(guó)、加拿大境內(nèi))或 724-776-4970(美國(guó)境外);網(wǎng)址。SAE J575 Test Methods and Equipment for Lighting Devices and Components for Use on Vehicles Less than 2032 mm in Overall Width 編號(hào)SAE J575 總寬2032毫米以下車輛使用的照明設(shè)備及組件的測(cè)試方法和儀器SAE J577 Vibration Test Machine and Operation Procedure 編號(hào)SAE J577 震動(dòng)測(cè)試儀及其操作流程SAE J578 Color Specification 編號(hào)SAE J578 顏色規(guī)格3. DEFINITIONS 定義3.1 All-Terrain Vehicle (ATV) 全地形車An all-terrain vehicle is any motorized off-highway vehicle 1270 mm (50 in) or less in overall width, with an unladen dry weight of 275 kg (600 lb) or less, designed to travel on four low-pressures tires, having a seat designed to be straddled by the operator and handlebars for steering control, and intended for use by a single operator and no passenger. Width and weight shall be exclusive of accessories and optional equipment.全地形車是一種總寬不超過1270毫米(50英寸),空載凈重不超過275KG(600磅),擁有4個(gè)低壓輪胎、一個(gè)供操作者騎跨的座位、進(jìn)行方向控制的把手,并且僅供一個(gè)人騎乘不得搭載其他乘客的非公路行駛車輛。車輛附件和可選其他配置不包括在此寬度和重量之中3.2 All-Terrain Vehicle (ATV) Headlamp 全地形車前照燈An all-terrain vehicle headlamp is one or more lamps used as the major lighting device to provide general illumination ahead of an all-terrain vehicle. The photometric requirements stated in Tables 1 and 2 represent the total headlamp illumination requirement for an ATV.全地形車前照燈是由單燈或燈組構(gòu)成的為全地形車提供前方主要照明的照明裝置。表1和表2中的光度標(biāo)準(zhǔn)代表了全地形車所需的所有頭燈照明要求3.2.1 If multiple headlamps are used to meet this document, the combination of lamps, as mounted on the ATV, shall meet the requirements when treated as one lamp.如采用多個(gè)頭燈的設(shè)計(jì),則全地形車上的燈具組應(yīng)當(dāng)滿足作為單燈使用的要求3.2.2 The headlamp shall not be obstructed by any part of the ATV throughout the photometric test angles unless the lamp is designed to comply with all photometric requirements with these obstructions considered.頭燈在任何光度測(cè)試角度上都應(yīng)不受任何全地形車部件的阻礙,除非前燈的設(shè)計(jì)可以滿足把所有的阻礙考慮在內(nèi)之后的光度要求4. GENERAL REQUIREMENTS 總體要求4.1 The following sections from SAE J575 are a part of this document:以下來自文件SAE J575的要求構(gòu)成本文件的一個(gè)部分a. Definitions 定義b. Bulbs 燈泡c. Vibration 震動(dòng)d. Moisture Test 濕度測(cè)試e. Dust Test 防塵測(cè)試f. Corrosion Test 腐蝕測(cè)試g. Photometry Test 光度測(cè)試h. Warpage Test Devices with Plastic Components 塑料成分裝置的翹曲測(cè)試Color Test Light shall be white as per SAE J578. 顏色測(cè)試 按照文件編號(hào)SAE J578的要求應(yīng)為白色。Sealed Beam headlamps need not comply with Sections 4.3 and 4.4 of SAE J575.封閉式光源前照燈可不符合文件編號(hào)SAE J575中的4.3和4.4部分之規(guī)定5. VIBRATION TEST 震動(dòng)測(cè)試5.1 Scope 范圍This test evaluates the ability of the sample device to resist damage from vibration-induced stresses. This test is not intended to test the vibration resistance of bulbs or the internal components of sealed-beam units.此測(cè)試主要評(píng)估樣品裝置抵抗由于壓力而產(chǎn)生的震動(dòng)的能力而不是為了測(cè)試燈泡或封閉式光源的內(nèi)部組件的抗震能力5.2 Test Equipment 測(cè)試裝備Any vibration test machine which provides the displacement and frequency specified in 5.3 may be used.可使用任何5.3中提到會(huì)引起位移和振動(dòng)頻率的裝置5.3 Test Procedure 測(cè)試流程A sample unit shall be mounted to a vibration test machine and vibrated at12.5 Hz through a distance of 3.2 mm.受試樣品裝置應(yīng)安放在震動(dòng)測(cè)試儀上并以12.5赫茲的頻率在3.2毫米的距離之內(nèi)進(jìn)行測(cè)試5.4 Test Duration 測(cè)試時(shí)間The test shall be continuous for 1 h. 此測(cè)試應(yīng)不間斷地持續(xù)1小時(shí)5.5 Requirements 要求Upon completion of test procedure 5.3 and 5.4, any unit showing evidence of material physical weakness, lens or reflector rotation, displacement, cracking or rupture of parts except bulb failure(s), shall be considered to have failed. Any rotation of a lens or reflector that occurs does not constitute failure of the test if the device still meets the photometric requirements with the component(s) in their rotated, post-vibration test position.完成5.3及5.4的測(cè)試項(xiàng)目時(shí),如果任何一個(gè)受試樣品出現(xiàn)材料的物理?yè)p傷、透鏡或反光鏡發(fā)生了旋轉(zhuǎn)、移位、裂縫或任何零件部位出現(xiàn)了斷裂,應(yīng)視為測(cè)試失敗,但燈泡自身的問題除外。如果試驗(yàn)設(shè)備的零件在旋轉(zhuǎn)且受到震動(dòng)后的測(cè)試點(diǎn)位上仍能滿足光學(xué)上的要求,即使透鏡或反光鏡發(fā)生了旋轉(zhuǎn),可視為通過測(cè)試6. AIMING ADJUSTMENT TESTS 瞄準(zhǔn)調(diào)整測(cè)試6.1 A minimum aiming adjustment of 4 degrees shall be provided in the vertical plane from a basic aiming position of 1/2D-V (0.5 degrees) with the machine on a hard surface and the suspension adjusted to the manufacturers recommended setting and the machine loaded to simulate an 80 kg (175 lb) operator at the designated seating position.機(jī)器放置在一個(gè)堅(jiān)硬的表面,將懸掛調(diào)整至生產(chǎn)廠商的推薦設(shè)置部位,在指定位置放置重量為80千克(175磅)的模擬駕駛者,然后從基本瞄準(zhǔn)角度1/2D-V(正負(fù)0.5度)的垂直面進(jìn)行最小為正負(fù)4度的瞄準(zhǔn)調(diào)整6.2 The mechanism, including the aiming adjustment, shall be so designed as to prevent the unit from receding into the lamp body or housing when an inward force of 222 N (50 lb) is exerted at the geometric center of the outer surface of the lens.當(dāng)向鏡頭外表面的幾何中心施加222牛(50磅)的內(nèi)力時(shí),整個(gè)測(cè)試裝置(包括瞄準(zhǔn)裝置)的設(shè)計(jì)應(yīng)能夠?yàn)闊趔w或透鏡的外表面提供足夠的保護(hù)6.3 When adjusting screws are employed, they shall be equipped with self-locking devices which will operate satisfactorily for a minimum of 10 adjustments on each screw, over a length of screw thread of 3.175 mm( 3 mm)如果使用調(diào)節(jié)螺釘,應(yīng)選擇配備自鎖裝置且螺紋長(zhǎng)度大于 3.175 毫米( 3 毫米)的螺釘;該種螺釘可以滿足至少10次測(cè)試的需要6.4 Headlamp Mounting 頭燈裝配The headlamp shall be mounted on the ATV as high as practicable above the surface of the ground and below the operators line of sight.頭燈應(yīng)裝配在ATV上一個(gè)高度合適的位置,應(yīng)當(dāng)?shù)孛嬲戏角以诓僮髡叩囊暰€下方In order to facilitate setting and maintaining the proper adjustment of the headlamp on ATVs in use, the following requirements for a headlamp design and mounting shall be adopted and followed in general practice and be equally applicable to new designs of headlamps and mountings. Headlamps and headlamp mountings shall be designed and constructed so that:為了方便裝配與維護(hù)使用中的ATV上的頭燈,以下對(duì)頭燈設(shè)計(jì)與安裝的要求應(yīng)被采納并在實(shí)際操作中遵循;同樣這些要求也適用于最新的頭燈設(shè)計(jì)與安裝。頭燈應(yīng)設(shè)計(jì)和安裝來:6.4.1 The axis of the light beam may be adjusted conveniently by on person using ordinary tools, up and down from the designed setting, in the amount determined by practical operating conditions.6.4.1 一名操作人員可以很方便地利用普通工具在實(shí)際的操作條件下對(duì)光軸進(jìn)行調(diào)節(jié)6.4.2 When the headlamp is secured, the aim will not be disturbed under ordinary conditions of operation6.4.2 當(dāng)頭燈安裝到位后,瞄準(zhǔn)目標(biāo)在普通操作環(huán)境下都不會(huì)松動(dòng)或產(chǎn)生歪斜6.5 Visual Service Aiming 目測(cè)瞄準(zhǔn)The geometric center of the high intensity zone of the upper beam of the multiple beam headlamps shall be deemed sufficiently defined for the purpose of service aiming if it can be set by three experienced observers/technicians on a vertical screen at 7.6 m (25 ft) within a maximum vertical deviation of 0.2 degrees 25.4 mm (1 in) and within a maximum horizontal deviation of 0.4 degrees 50.5 mm (2 in) The aim for each observer/technician shall be taken as the average of at least three observations.多光束頭燈遠(yuǎn)光束的高強(qiáng)度區(qū)域的幾何中心被認(rèn)為是非常精準(zhǔn)的,如果3名有經(jīng)驗(yàn)的技術(shù)員在最大垂直偏差為0.2 度 25.4 mm (1 in)內(nèi)和最大平行偏差為0.4 度 50.5 mm (2 in)內(nèi)以及7.6 米 (25 英尺)處進(jìn)行測(cè)試時(shí),可測(cè)得多光束頭燈遠(yuǎn)光束的高亮度幾何中心。最少應(yīng)進(jìn)行3次瞄準(zhǔn)測(cè)試,且3名技術(shù)員測(cè)得的數(shù)值應(yīng)取其平均值6.6 Beam Aim During Photometric Test 光度測(cè)試期間的光束對(duì)準(zhǔn)The upper beam of a multiple beam headlamp shall be aimed photo electrically so that the center of the zone of highest intensity falls 0.5 deg vertically below the lamp axis and is centered laterally. The beam of a single beam headlamp shall be aimed so that the zone of highest intensity falls 1.5 degrees vertically below the lamp axis and is centered latterly. Thecenter of the zone of highest intensity shall be established by the intersection of a horizontal lane passing through the point of maximum intensity, and the vertical plane established by balancing the photometric values at 3 degrees left and 3 degrees right. The single beam head lamp shall meet the candela requirements of Table 2. 多光束前照燈的長(zhǎng)焦距光應(yīng)該被對(duì)準(zhǔn)為電子圖像,以便最高亮度區(qū)域中心在燈軸心之下垂直降低0.5度并被置于橫向的中心。單倍光前照燈的光束應(yīng)該被對(duì)準(zhǔn)以便最高亮度區(qū)域垂直下降1.5度到燈軸心以下并被置于橫向的中心。應(yīng)通過水平線穿過最大強(qiáng)度位置的交叉點(diǎn)來設(shè)定高強(qiáng)度區(qū)域的中心,并通過在左3度、右3度的位置配平光度值的方式來設(shè)定垂直面。單光束頭燈應(yīng)滿足目錄2的candela(光度單位)要求6.7 Requirements 要求The headlamp shall be operated at its design voltage during the photometric test. When treated as one lamp, the beam or beams from the headlamp, when aimed as described in 6.5, shall meet the candela requirements in Table 1 and 2, or in the case of a single beam, Table 2. These test points shall be measured by a photometer positioned at a minimum distance of 18.3 m (60 ft) from the test headlamp. A tolerance of 0.25 degrees in location may be allowed for any test point.在光度測(cè)試期間,頭燈應(yīng)在設(shè)計(jì)電壓下進(jìn)行操作。當(dāng)被當(dāng)做單燈時(shí),以6.5中方法進(jìn)行瞄準(zhǔn)時(shí),光束或光束群應(yīng)當(dāng)同時(shí)滿足表1和2(單光束時(shí)滿足表2)的燭光強(qiáng)度要求。這些測(cè)試點(diǎn)需通過放置在離測(cè)試頭燈至少18.3米(60英尺)的光度測(cè)試儀取得。對(duì)于任何測(cè)試點(diǎn),允許有0.25度的位置偏差7. PHOTOMETRIC TEST 光度測(cè)試7.1 Scope 范圍This test evaluates the ability of the headlamp or headlamps to meet the applicable luminous intensity requirements in Tables 1 and 2.該測(cè)試評(píng)估頭燈或頭燈組滿足表1和表2中實(shí)際照明強(qiáng)度要求的能力7.2 Beam Aim 焦距瞄準(zhǔn)If the test unit is equipped with upper- and lower-beam patterns, the upper beam shall be aimed so that the center of the zone of highest intensity falls at 1/2D-V. If the test unit has a single beam, the beam shall be aimed so that the zone of highest intensity falls at 1-1/2D-V. The center of the zone of highest intensity shall be established by the intersection of a horizontal plane passing through the point of maximum intensity, and the vertical plane established by balancing the photometric values at 3 degrees left and 3 degrees right.如測(cè)試裝置具備遠(yuǎn)光束和近光束模式,則遠(yuǎn)光束應(yīng)通過瞄準(zhǔn)來使得最大照明強(qiáng)度的中心區(qū)域位于1/2D-V位置。如測(cè)試單位具有單倍光束,則光束應(yīng)該瞄準(zhǔn)來使得最大照明強(qiáng)度的區(qū)域位于1-1/2D-V位置。最大照明強(qiáng)度的中心區(qū)域應(yīng)該由水平面通過最大光亮度的交點(diǎn)與左右各3度的垂直配平光度值來確定7.3 Requirements 要求The headlamp shall be operated at its designed voltage during the photometric test. When treated as one lamp, the beam or beams from the headlamp shall be designed to conform to the applicable luminous intensity requirements in Tables 1 and 2, measured by a photometer positioned at least 18 m from the headlamp. A tolerance of 0.25 degree in location may be allowed for any test point.頭燈應(yīng)在設(shè)計(jì)電壓下進(jìn)行光度測(cè)試。當(dāng)被當(dāng)做單燈時(shí),來自頭燈的光束或光束群應(yīng)當(dāng)被設(shè)計(jì)來滿足表1和表2中要求的實(shí)際照明強(qiáng)度要求,并通過放置在離測(cè)試頭燈至少18米的光度測(cè)試儀取得。對(duì)于任何測(cè)試點(diǎn),允許有0.25度的位置偏差表1 遠(yuǎn)光束 測(cè)試點(diǎn)(度數(shù)) 照明強(qiáng)度(cd) H-V 最小300 1/2D-V 最小10,000 1/2D-3 L&R 最小3000 1/2D-6 L&R 最小750 1D-V 最小5000 2D-V 最小2500 3D-V 最小1500 3D-6L&R 最小400 4D-V 最大5000 隨意 最大75,000表2 近光束或單光束 測(cè)試點(diǎn)(度數(shù)) 照明強(qiáng)度(cd) 1/2U-2L & R 最大2500 1/2U-4L & R 最大2000 2D-
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