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Introduction to the composition of explosion-proof acoustic emission detection system


Composition of the intrinsically safe explosion-proof acoustic emission detection system of German VALLEN company

、防爆声发射应 1.Explosion-proof acoustic emission should With schematic


ISAS3-030 防爆 探头介绍, 2 , ISAS3-030 explosion-proof probe introduction, CE The probe has obtained intrinsically safe CE and CE 1G Ex ia IIC T6 Ga, 防护等级为 IP68, Certification, explosion-proof level is 1G Ex ia IIC T6 Ga, protection level is IP68,

)防爆探头:内置 20dB 前置放大器,防水 Lemo 接口 1 ) Explosion-proof probe: Built-in 20dB preamplifier, waterproof Lemo interface

)防爆电缆线安装步骤 2 ) Installation steps of explosion-proof cable

 

1 G EX ia IIC T6 Ga IP68 Remarks: 1 G EX ia IIC T6 Ga IP68

这是与第一类装置的相关装置,即可在 0 区使用 ; 1: This is a related device with the first type of device, which can be used in zone 0 ;

G: ( 非粉尘 ); For explosive hazardous gases ( non-dust );

防爆标志 ; Ex: Explosion-proof mark ;

防爆等级,在正常工作状态下, 1 个故障或 2 个故障状态下都不会点燃危险气体,回路必须保证在两个故障同时出现时仍然保证 全特性。 ia: Explosion-proof level. Under normal operating conditions, no dangerous gas will be ignited under one fault or two fault states. The circuit must ensure full characteristics when two faults occur at the same time . 类电气设备对易受干扰的元器件必须采用 三重化 设计 ; "Ia" electrical equipment must adopt a " triple design " for susceptible components ;

C: 气体组别:可用于除煤矿以外的爆炸危险环境中, C 子组所需要的点燃能量最少,即在该组电气设备中, C 组设备具备通用性 ; C: gas group: can be used in explosion-hazardous environments other than coal mines, the subgroup C requires the least ignition energy, that is, in this group of electrical equipment, the group C equipment has universality ;

温度等级,定义了气体在该装置 (SISO3) 中所能达到的最高表面温度始终保持在 60 ℃以下 ; T6: temperature level, defines the highest surface temperature that the gas can reach in the device (SISO3) is always kept below 60 ;

Ga: Equipment environment for explosive gas has a very high level of protection;

是防水防尘的最高级别,完全阻止灰尘进入,并可持续浸泡在水里。 IP68: the highest level of waterproof and dustproof, completely prevent dust from entering, and can be continuously immersed in water.  

 


SISO3 本安型带前放安全栅,安全标志: 3 , SISO3 intrinsically safe type with front safety barrier, safety signs: II (1) 3G Ex Na [ia Ga] T4 Gc

压电路限制了送往现场本安回路的能量,从而防止非本安电路的危险能量串入本安电路,是本安系统的重要组成部分。 The intrinsically safe safety barrier is used in the design of intrinsically safe explosion-proof systems. It is a device installed in a safe place and contains intrinsically safe circuits and non-intrinsically safe circuits. The circuit is limited to current intrinsic safety by the current and voltage limiting circuits. The energy of the loop, thereby preventing dangerous energy from non-intrinsically safe circuits from entering the intrinsically safe circuit, is an important part of an intrinsically safe system. 于安全非爆炸场所,接收来自危险区的信号 , 输出安全信号到安全区或危险区。 The safety barrier is installed in a safe non-explosive place, receives signals from the danger zone, and outputs safety signals to the safety zone or danger zone. 本安型带前放安全栅,增益可调 14 20 26dB, 可与本公司的多种防爆探头匹配使用。 SISO3 intrinsically safe type with front- loaded safety barrier, adjustable gain of 14 , 20 , 26dB, can be used with a variety of explosion-proof probes of our company.

 

II(1) 3G Ex Na[ia Ga] IIC T4 Gc Remarks: II (1) 3G Ex Na [ia Ga] IIC T4 Gc   IP54

II (1):   0 区使用 ; This is a related device with the first type of device, which can be used in zone 0 ;

:该装置属于可在中使用的装置 (II) 组中的第 3 2 ( 或非危险区 ); 3 : The device belongs to category 3 zone 2 ( or non-hazardous area ) in the device (II) group that can be used in ;

G: ( 非粉尘 ); For explosive hazardous gases ( non-dust );

防爆标志 ; Ex: Explosion-proof mark ;

:这是一种用于 2 号区域的无火花设备 Na : This is a non-sparking device for area 2

防爆等级,在正常工作状态下, 1 个故障或 2 个故障状态下都不会点燃危险气体,回路必须保证在两个故障同时出现时仍然保证安 ; 全特 性。 Ia Ga: Explosion-proof level. Under normal operating conditions, no dangerous gas will be ignited under 1 fault or 2 fault states. The circuit must ensure safety when both faults occur at the same time ; full characteristics . 类电气设备对易受干扰的元器件必须采用 三重化 设计 ; "Ia" electrical equipment must adopt a " triple design " for susceptible components ;

C: 气体组别:可用于除煤矿以外的爆炸危险环境中, C 子组所需要的点燃能量最少,即在该组电气设备中, C 组设备具备通用性 ; C: gas group: can be used in explosion-hazardous environments other than coal mines, the subgroup C requires the least ignition energy, that is, in this group of electrical equipment, the group C equipment has universality ;

温度等级,定义了气体在该装置 (SISO3) 中所能达到的最高表面温度始终保持在 135 ℃以下 ; T4: temperature level, defines the highest surface temperature that the gas can reach in the device (SISO3) is always kept below 135 ;

Gc : Equipment for explosive gas environments with normal levels of protection, This is not an ignition point under normal operating conditions;

防尘等级: 5 就表示外部尘土不能进入内和能够防止 IP54: dustproof level: 5 means that external dust cannot enter the inside and can prevent Rain.

 

HISO3 前放盒 4 , HISO3 front put box

8 个或 20 SISO3 防爆前放放置于盒中,其应用于非防爆安全区,该盒具有地线。 For ease of use, 8 or 20 SISO3 explosion-proof front amps are placed in a box, which is used in a non-explosion-proof safe area. The box has a ground wire. The following figure is the front installation process

 


、在非爆炸的安全区域。 5. In a non-explosive safe area. 5 根同轴电缆线,检验人员则需要收放 10 次才能完成的工作,但使用五合一集成同轴电缆线,只要收放各一次就能够完成布线工作,收放非常方便、省力、省时,大大的减少声发射检验人员的劳动强度,提高劳动效率! For the cable from the front amplifier box to the acoustic emission instrument, if five separate coaxial cables are used, the inspector needs to retract 10 times to complete the work. However, using the 5-in-1 integrated coaxial cable, as long as the The wiring work can be completed in one time, which is very convenient, labor-saving and time-saving, greatly reducing the labor intensity of the acoustic emission inspection personnel and improving labor efficiency!


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