JB/T 3304-1983 Method for compiling automation systems and component models for large and medium-sized hydropower units

JB/T 3304-1983 Large and medium-sized hydropower unit automation system and component model compilation method JB/T3304-1983 standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T3304
1983-10-12
Jia Kui Ji
1984-03-01 Small Cable
Jia Kui Ji Wa Art Knife
JB/T33041983
a. The first part of the model is the pinyin of the product name, which is represented by the first pinyin letters of two or three Chinese characters, such as 1: the speed signal is represented by ZX, Z (rotation), X (signal) b. The Arabic numerals in the first and third parts of the model are technical parameters representing the characteristics of the product, such as: rated voltage, nominal pressure, nominal diameter, rotation speed, number of contacts, etc. 1.4.2 Model Examples
a. Speed ​​signal: five contacts, maximum signal transmission speed is 800rpm, model is represented by zx-5/800; b. Roll position signal: three contacts, height is 1000mm, model is represented by W×-3/1000: Shear pin signal: diameter is 20mm, model is represented by JX-20; c.
d. Flow indicator: nominal pressure, nominal diameter, rotation speed, number of contacts, etc. The diameter is 50mm, the nominal positive force is 6kglf/cm, and the models are LX-50-6 and -5-6 respectively:
Overspeed limiter: The nominal diameter of the accident pressure gauge is 100mm, the nominal positive force is 25kgf/cm, and the model is GC-e.
100-25;
f. DC differential pressure signal device: The differential pressure adjustment range is 0.1~1kgl/cm, the voltage is 220V, the nominal pressure is 6kg/cm, and the model is CX-1/220-6:
9 Locking spindle: The diameter is 80:nm, the nominal pressure is 25kgl/cm, and the model is SD-80-25;h, segmented closing device: The nominal diameter is 100mm, the nominal pressure is 40kgf/cm, two-stage closing, the model is It is DG-100/2-40.
1.5 Various control devices and other components
1.5.1 The model of this type of product is composed of two parts of the code, and the two parts are separated by a short dash. And: The first part of the model is the abbreviation of the product name in pinyin letters, represented by the first pinyin letters of two or three Chinese characters, 5. The Arabic numerals in the second part of the model are the design serial number. 1.5.2 Model example:
The model of the first designed medium valve control cabinet is represented by HG-01.2 Method for compiling modification guides for automation componentswww.bzxz.net
2.1 The modification marks of automation components are represented by Chinese pinyin letters A, B, C, D, and F, that is, the first modification is represented by A, the second modification is represented by D, and the ones without representation are a certain model. The pinyin letters representing the modification marks are all marked in 2.2 Modified model examples at the end of the model:
a. Hydraulic operating valve: nominal diameter is 50mm, nominal pressure is 10kgf/cm, control pressure is 40kgf/cm2, the first modified design product model is YYF-50-10/40A: b. Solenoid, suction force is 7kgf, rated voltage is 220V, the second modified design product model is 2T-7/22DBC: Butterfly valve control cabinet: The third modified design product model is HG-01C.
1983-10-12
1984-03-01
Additional instructions:
JB/T3304
This standard is proposed and managed by Harbin Large Electric Motor Research Institute of the Ministry of Machinery Industry. This standard was drafted by Harbin Electric Machinery Research Institute and interpreted by Harbin Electric Machinery Research Institute. 2
Pot cut explanation
Finally covered
JB/T3304
880b1230
19XX nest XX cabin
100044
Dai section x/X
Rectangle XXX.XXX
19XX nest XX ridge
Purchase XXX.XX guest
Pencil key sticker
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