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GB/T 40542-2021: Design requirements for space explosive systems and devices
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Design requirements for space explosive systems and devices
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GB/T 40542-2021
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Basic data | Standard ID | GB/T 40542-2021 (GB/T40542-2021) | | Description (Translated English) | Design requirements for space explosive systems and devices | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V71 | | Word Count Estimation | 30,390 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40542-2021: Design requirements for space explosive systems and devices---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Design requirements for space explosive systems and devices
ICS 49.020
CCSV71
National Standards of People's Republic of China
Aerospace pyrotechnic system and device design requirements
(ISO 26871.2012, Spacesystems-Explosivesystemsanddevices, MOD)
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Abbreviations 2
5 Pyrotechnics system requirements 2
5.1 General 2
5.2 Design 2
5.3 Task 3
5.4 Function 3
5.5 Security 3
5.6 Working conditions 4
5.7 Interface requirements 4
5.8 Mechanical, electrical and thermal environment requirements 4
5.9 Test requirements 6
5.10 Non-initiating components and protection requirements 6
5.11 Safety devices 6
5.12 Raw materials 7
6 Pyrotechnic device requirements 7
6.1 General requirements 7
6.2 Reliability requirements 7
6.3 Margin design requirements 7
6.4 Indicator requirements 9
6.5 Inspection 18
7 Product guarantee requirements 20
7.1 General requirements 20
7.2 Transportation 20
7.3 Storage 20
7.4 Installation and removal 20
7.5 Security 20
7.6 File 21
Appendix A (informative) Structural changes of this document compared with ISO 26871.2012 22
Appendix B (informative) Technical differences between this document and ISO 26871.2012 and their reasons 24
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document uses the redrafting law to modify and adopt ISO 26871.2012 "Space System Blasting Systems and Devices".
Compared with ISO 26871.2012, this document has many structural adjustments. Appendix A lists the differences between this document and ISO 26871.2012.
A list of chapter number comparisons.
Compared with ISO 26871.2012, there are technical differences between this document, and the clauses involved in these differences have been
The vertical single line (|) is marked, and a list of the corresponding technical differences and their reasons is given in Appendix B.
This document has also made the following editorial changes.
---Modify the standard name to "Design Requirements for Aerospace Pyrotechnic System and Device";
--- Deleted Appendix A~Appendix E of ISO 26871.2012;
---The reference to ISO 26871.2012 is deleted.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed and managed by the National Aerospace Technology and Application Standardization Technical Committee (SAC/TC425).
Drafting organizations of this document. Beijing Institute of Aerospace System Engineering, China Aerospace Standardization Institute.
The main drafters of this document. Tang Ke, Lu Hongli, Wu Hanling, Song Qianqiang, Hu Zhenxing, Wang Shuai, Zhang Zhifeng, Song Baoyong, Zhang Xiaohui, Wang Jingchao,
Xie Xuan, Liu Yijia.
Introduction
The aerospace pyrotechnic system is an important part of the launch vehicle and spacecraft. The pyrotechnic system can complete a predetermined function or a
The group reservation function is generally composed of three parts. the ignition system, the explosion sequence and the terminal device. When the ignition system receives the work order, it generates a
After the beam ignition pulse is applied to the first pyrotechnic device of the explosion sequence, it will excite the explosive pyrotechnic device, cause a series of effects of the explosion sequence, and finally generate an explosion
The energy output drives the work of the terminal device and completes the function of the predetermined task. Among them, work instructions are presented in the form of electrical energy, light energy or mechanical energy.
Common aerospace pyrotechnic devices include launcher ignition, engine ignition, interstage separation, payload separation, mechanism release, valve opening
Open, battery activation, cable cutting, engine safety self-destruction, solar flap opening, propulsion system opening and closing, etc. The pyrotechnic device is an important one
Sexually acting products have undetectable and untestable functions. Whether they can work normally and reliably is directly related to the success or failure of the flight mission. Internationally, more
This time there was a failure case of flight mission failure due to the failure of the pyrotechnic device. Therefore, standardize the design and production system of pyrotechnic systems and devices.
Relevant requirements for the entire life cycle of manufacturing, test verification, storage, and use are very important to ensure product quality and ensure mission success.
ISO formulated ISO 26871 "Spacesystems-Explosivesystems and devices" in.2012 to regulate space transportation
The requirements for pyrotechnic devices used on rockets, satellites, and aircraft involve design, analysis, verification, manufacturing, operation, and safety.
One mentions the importance of pyrotechnics in ensuring the success of space launch missions in order to provide reliable quality pyrotechnics for scientific research and production departments.
Since pyrotechnic systems and devices are key products that affect the success or failure of space launch missions, ISO 26871 "Spacesystems-Explo-
sivesystemsanddevices” is transformed into my country’s national standards in order to facilitate my country’s participation in aerospace activities related enterprises or physical machines
In order to ensure the reliability and safety of the pyrotechnic system and equipment, the
The successful space launch has laid a solid foundation.
Aerospace pyrotechnic system and device design requirements
1 Scope
This document specifies the pyrotechnic system requirements, pyrotechnic device requirements, and product guarantees for pyrotechnic systems and devices used in space launch vehicles and spacecraft
Require.
This document is applicable to the design, manufacturing, test verification, storage and use of pyrotechnic systems and devices for space launch vehicles and spacecraft.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB 190 Dangerous Goods Packaging Mark
GB 2702 Explosives safe
GB/T 19000 Quality Management System Foundation and Terminology
GB/T 32455 Terminology for launch vehicles
3 Terms and definitions
The following terms and definitions defined in GB/T 32455 and GB/T 19000 apply to this document.
3.1
Explosivesystem
When the ignition system receives the work order, it generates a bunch of ignition pulses, which are applied to the first pyrotechnic device of the explosion sequence to trigger the explosion fire
The work product causes a series of effects in the explosion sequence, and finally generates the explosion energy output, drives the terminal device to work, and completes the function of the predetermined task.
Note. The aerospace pyrotechnics system consists of three parts. ignition system, explosion sequence and terminal device. Among them, work instructions are presented in the form of electrical energy, light energy or mechanical energy.
The connection relationship of the pyrotechnic system is shown in Figure 1.
Figure 1 Connection diagram of pyrotechnic system
3.2
Firingsystem
The control system inputs power supply, instructions and control, and these input information is converted into electrical energy, light energy or mechanical energy output, thereby initiating an explosion
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