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道路运输轻质燃油罐式车辆 防溢流系统
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QCT 1061-2017
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标准编号: QC/T 1061-2017 (QC/T1061-2017)
中文名称: 道路运输轻质燃油罐式车辆 防溢流系统
英文名称: Road tanker for light fuel transportation - Overfill prevention system
行业: 汽车行业标准 (推荐)
中标分类: T50
字数估计: 14,159
发布日期: 2017-01-09
实施日期: 2017-07-01
引用标准: GB 3836.1; GB 3836.4; GB 4208; GB 12268
起草单位: 永嘉县三江石油机械厂
归口单位: 全国汽车标准化技术委员会
标准依据: 工业和信息化部公告2017年第2号
范围: 本标准规定了道路运输轻质燃油罐式车辆上安装的防溢流系统的术语和定义、要求、试验方法、检验规则和标识。本标准适用于道路运输罐式车辆上安装的防溢流系统，其运输介质仅限于GB 12268界定的柴油或者轻质燃油(UN号1202)、车用汽油(UN号1203)、煤油(UN号1223)。
QC/T 1061-2017
Road tanker for light fuel transportation - Overfill prevention system
道路运输轻质燃油罐式车辆防溢流系统
1 范围
本标准規定了道路运输轻质燃油罐式车辆上安装的防溢流系统的术语和定义、要求、试验方法、
检验规则和标识。
本标准适用于道路运输罐式车辆上安装的防溢流系统，其运输介质仅限于 GB 12268 界定的柴
油或者轻质燃油（UN号 1202)、车用汽油(UN号1203)、煤油（UN号 1223)。
2 规范性引用文件
下列文件对于本标准的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本
标准。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本标准。
GB 3836.1 爆炸性气体环境用电气设备第1部分:设备通用要求
GB 3836.4 爆炸性气体环境用电气设备第4部分:本质安全型“i”
GB 4208 外壳防护等级(IP代码）
GB 12268 危险货物品名表
3 术语和定义
F列术语和定义适用于本标准。
3.1
防溢流系统 overfill prevention system
由防溢流传感器和防溢流插座经电缆线连接而成的系统。
3.2
防溢流传感器 overfill prevention optic sensor
安装于罐体顶部位置，用于判别罐内液位是否超过规定高度的传感器。
3.3
防溢流插座 overfill prevention socket
防溢流系统和外部连接的接口。
4 要求
4.1 基本要求
4.1.1 防溢流系统各组件应符合本标准的要求，并按产品图样和技术文件制造。
4.1.2 防溢流系统各组件上所应用的原材料、外购件、外协件应符合相关标准的规定，并经验收合
格后，方可使用。
4.2 材料
4.2.1 壳体材料和密封材料的选用必须充分考虑其与所接触介质的相容性。
4.2.2 防溢流系统中传感器和插座的壳体宜采用铝合金或不锈钢制造，不应采用铸铁和非金属材
料制造。
4.3 导静电电阻
防溢流系统各组件上起导静电作用的导电零部件与壳体之间的导静电电阻值不得髙于106 n。
4.4 设计温度
防溢流传感器的设计温度应为-20，当有特殊环境要求时设计温度宜为 -40~
70。
4.5 防爆性能
4.5.1 防溢流传感器应为本质安全型，且应符合 GB 3836.1 和 GB 3836.4 的要求。
4.5.2 其防爆性能应符合防爆标志为 Ex ia II B T4的要求，其具体说明如下：
a) Ex 防爆标识；
b) ia 本质安全型电气设备:在正常运行或在标准试验条件下所产生的火花或热效应均不能
点燃爆炸性混合物的电气设备；
c> n 电气设备类:除煤矿外的其他爆炸性环境用；
d) B 气体组别:最大试验安全间隙 0.5 mm~0.9 mm，最小点燃电流比0.45 mm~0.8 mm;
e) T4 温度级别：电气设备的最髙表面温度 135。
4.5.3 防溢流传感器的金属外壳防护等级不低于 GB 4208规定的 IP 54 防护等级的要求。
4.6 液位感应
4.6.1 当液位到达防溢流传感器的感应位置时，防溢流传感器应发出液位报警。
4.6.2 当防溢流传感器为干式状态时，防溢流系统处于正常工作状态，不得出现液位报替现象。
4.7 密封性
试验压力36kPa 的保压时间至少60s,防溢流传感器本体与壳体连接处等不允许有明显可见
泄漏。
4.8 使用寿命
4.8.1 防溢流传感器在干式状态时，持续通电挂机时间 48h 后，不得出现短路、断路等现象。
4.8.2 防溢流传感器在干湿两种状态进行25 000次的不间断测试后不得出现短路、断路等现象。
4.9 外部连接尺寸
防溢流插座接口的尺寸应符合附录 A 的要求。
4.1 0 电气线路
单根电线的铜芯线截面积应不小于 0.75
4.1 1 接点布置
防溢流系统中传感器与六芯插座之间的接点布置见表 1。
5.6 防溢流传感器使用寿命试验
5.6.1 当防溢流传感器处于干式状态时，进行持续通电,通电挂机时间不短于 48 h。
5.6.2 将防溢流传感器置于容器内，并不断在干湿两种状态之间转换，在进行 25 000次的不间断测
试后不得出现短路、断路等损坏现象造成无法检测液位报瞀。
5.7 导静电电阻测试
5.7.1 试验前应干燥防溢流系统及其零部件。
5.7.2 采用50 0 V直流兆欧表测量电阻，
5.7.3 测量防溢流组件上任何一个可能与介质接触的导电零部件与壳体之间的导静电电阻。
6 检 验 规 则
6.1 出厂检验
6.1.1 每台产品均应按规定项目进行出厂检验，经生产企业检验合格并签发产品合格证后方可
出厂。
6.1.2 出厂检验项目：
a) 外观；
b) 液位感应试验；
6.2 型式试验
6.2.1 凡属下列情况之一时，应进行型式检验：
a) 新产品试制定型时；
b) 正式生产时，连续生产3年或产量累计10 000台时；
c) 正式生产后，如结构、材料、工艺有较大改变，可能影响产品性能时；
d) 出厂检验与型式检验有重大差异时。
6.2.2 型式检验时，如属 6.2.1中 a)、W两种情况,应按第 4章的内容进行检验;如属 6.2.1 中 c)、
d)两种情况，可仅对受影响项目进行检验。
7 标识
产品标识应铸刻在产品本体上，或采用标识牌型式永久固定在产品上并清晰可见。
7.2 防溢流传感器标识
防溢流传感器的标识至少应包括以下内容：
a) 制造厂名称或商标；
b) 制造厂型号；
c) 防爆标志；
d) 防爆合格证号；
e) 生产日期或批次编号；
f) 其他需要特别说明的工作条件。
防溢流插座的标识至少应包括以下内容:
a) 制造厂名称或商标；
b) 制造厂型号；
c) 生产日期或批次编号。
QC/T 1061-2017
Road tanker for light fuel transportation-Overfill prevention system
Road transport light fuel tank type vehicle anti-overflow system
1 Scope
This standard specifies the terms and definitions, requirements, test methods,
Inspection rules and identification.
This standard applies to anti-overflow systems installed on road transport tank vehicles, and its transportation medium is limited to firewood as defined in GB 12268.
Oil or light fuel oil (UN No. 1202), motor gasoline (UN No. 1203), kerosene (UN No. 1223).
2 Normative references
The following documents are essential for the application of this standard. For dated references, only the dated version applies to this
standard. For undated references, the latest version (including all amendments) is applicable to this standard.
GB 3836.1 Electrical equipment for explosive gas environments-Part 1. General requirements for equipment
GB 3836.4 Electrical equipment for explosive gas atmospheres-Part 4. Intrinsically safe "i"
GB 4208 enclosure protection grade (IP code)
GB 12268 List of dangerous goods
3 terms and definitions
Column F terms and definitions apply to this standard.
3.1
Overfill prevention system
A system consisting of an anti-overflow sensor and an anti-overflow socket connected by a cable.
3.2
Overfill prevention optic sensor
A sensor installed at the top of the tank to determine whether the liquid level in the tank exceeds a specified height.
3.3
Overfill prevention socket
Interface for anti-overflow system and external connection.
4 Requirements
4.1 Basic requirements
4.1.1 Each component of the anti-overflow system shall meet the requirements of this standard and shall be manufactured according to the product drawings and technical documents.
4.1.2 The raw materials, purchased parts, and outsourced parts applied to each component of the anti-overflow system shall meet the requirements of relevant standards and be collapsed through experience.
Before use.
4.2 Materials
4.2.1 The selection of housing material and sealing material must fully consider its compatibility with the medium in contact.
4.2.2 The housing of the sensor and socket in the anti-overflow system should be made of aluminum alloy or stainless steel, and should not be made of cast iron and non-metallic materials
料 制造。 Material manufacturing.
4.3 Conductive resistance
The value of the static resistance between the conductive parts and the housing of the anti-overflow system components that conduct static electricity shall not be less than 106 n.
4.4 Design temperature
The design temperature of the anti-overflow sensor should be -20. When there are special environmental requirements, the design temperature should be -40 ~
70.
4.5 Explosion-proof performance
4.5.1 The anti-overflow sensor shall be intrinsically safe and shall comply with the requirements of GB 3836.1 and GB 3836.4.
4.5.2 The explosion-proof performance shall meet the requirements of the explosion-proof mark Ex ia II B T4. The specific description is as follows.
a) Ex mark;
b) ia Intrinsically safe electrical equipment. Sparks or thermal effects generated during normal operation or under standard test conditions must not
Electrical equipment that ignites explosive mixtures;
c > n Electrical equipment. Explosive environments other than coal mines;
d) B gas group. the maximum test safety clearance is 0.5 mm ~ 0.9 mm, and the minimum ignition current ratio is 0.45 mm ~ 0.8 mm;
e) T4 temperature level. The maximum surface temperature of electrical equipment is 135.
4.5.3 The protection level of the metal case of the anti-overflow sensor is not less than the IP 54 protection level specified in GB 4208.
4.6 Level sensing
4.6.1 When the liquid level reaches the sensing position of the anti-overflow sensor, the anti-overflow sensor shall issue a liquid level alarm.
4.6.2 When the anti-overflow sensor is in a dry state, the anti-overflow system is in a normal working state, and the liquid level replacement phenomenon must not occur.
4.7 Sealing
The test pressure is 36kPa, the holding time is at least 60s, and the connection between the anti-overflow sensor body and the housing must not be visible.
leakage.
4.8 Service life
4.8.1 When the anti-overflow sensor is in the dry state, after a continuous power-on and on-hook time of 48h, no short circuit or open circuit shall occur.
4.8.2 The anti-overflow sensor shall not be short-circuited or open-circuited after 25 000 uninterrupted tests in both wet and dry states.
4.9 External connection dimensions
The dimensions of the anti-overflow socket interface shall meet the requirements of Appendix A.
4.10 Electrical wiring
The cross-sectional area of the copper core wire of a single wire should not be less than 0.75
4.1 1 Contact arrangement
See Table 1 for the contact arrangement between the sensor and the six-core socket in the anti-overflow system.
5.6 Anti-overflow sensor service life test
5.6.1 When the anti-overflow sensor is in the dry state, continuous power is applied, and the on-hook time is not shorter than 48 hours.
5.6.2 Place the anti-overflow sensor in the container and continuously switch between wet and dry states, and perform 25 000 continuous measurements
After the test, there should be no damage such as short circuit or open circuit, which will make the liquid level undetectable.
5.7 Conduction resistance test
5.7.2 Use 50 0 V DC megohmmeter to measure resistance,
5.7.3 Measure the electrostatic resistance between any conductive part on the anti-overflow component that may be in contact with the medium and the case.
6 Inspection rules
6.1 Factory inspection
6.1.1 Each product shall be inspected from the factory according to the specified items, and only after passing the inspection by the manufacturer and issuing a product certificate
Leave the factory.
6.1.2 Factory inspection items.
a) appearance;
b) level sensing test;
6.2 Type test
6.2.1 Type inspection shall be carried out in any of the following cases.
a) When new products are trial-typed;
b) When it is in production, if it is produced continuously for 3 years or when the cumulative output is 10,000 units;
c) After the formal production, if the structure, material and process are changed greatly, which may affect the performance of the product;
d) When there is a significant difference between the factory inspection and the type inspection.
6.2.2 In the case of type inspection, if it is a) or W in 6.2.1, it shall be inspected according to Chapter 4; if it is in c) of 6.2.1,
d) In both cases, only the affected items can be inspected.
7 Identification
The product logo should be cast or engraved on the product body, or it should be permanently fixed on the product with a type of identification plate and clearly visible.
7.2 Anti-overflow sensor identification
The identification of the anti-overflow sensor should include at least the following.
a) manufacturer name or trademark;
b) manufacturer's model;
c) Explosion-proof mark;
d) explosion-proof certificate number;
e) production date or batch number;
f) Other working conditions that require special instructions.
The identification of the anti-overflow socket shall include at least the following.
a) manufacturer name or trademark;
b) manufacturer's model;
c) production date or batch number.
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