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GB/T 38924.7-2020: Environmental test methods for civil small and light unmanned aircraft system - Part 7: Humidity test
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38924.7-2020 | English | 189 |
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Environmental test methods for civil small and light unmanned aircraft system - Part 7: Humidity test
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GB/T 38924.7-2020
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Basic data | Standard ID | GB/T 38924.7-2020 (GB/T38924.7-2020) | | Description (Translated English) | Environmental test methods for civil small and light unmanned aircraft system - Part 7: Humidity test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V35 | | Classification of International Standard | 49.020 | | Word Count Estimation | 10,144 | | Date of Issue | 2020-07-21 | | Date of Implementation | 2021-02-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38924.7-2020: Environmental test methods for civil small and light unmanned aircraft system - Part 7: Humidity test
---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.
Environmental test methods for civil small and light unmanned aircraft system--Part 7.Humidity test
ICS 49.020
V35
National Standards of People's Republic of China
Environmental test method for civil light and small UAV system
Part 7.Damp heat test
2020-07-21 released
2021-02-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Test conditions 1
3.1 Device under test 1
3.2 Test conditions and tolerances 1
4 Test equipment and instruments 2
5 Test process 2
5.1 Test preparation 2
5.2 Pretreatment 2
5.3 Inspection before test 2
5.4 Test Step 3
5.5 Inspection after the test 3
6 Test interruption and resumption 3
6.1 Under-test interruption 3
6.2 Over-test interruption 3
7 Evaluation of test results 3
8 Test report 3
Foreword
GB/T 38924 "Civil Light and Small UAV System Environmental Test Method" is divided into the following parts.
---Part 1.General Provisions;
---Part 2.Low temperature test;
---Part 3.High temperature test;
---Part 4.Temperature and altitude test;
---Part 5.Impact test;
---Part 6.Vibration test;
---Part 7.Damp heat test;
---Part 8.Salt spray test;
---Part 9.Water resistance test;
---Part 10.Sand and dust test;
This part is Part 7 of GB/T 38924.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed and managed by the National Aircraft Standardization Technical Committee (SAC/TC435).
Drafting organizations of this section. China Aviation Technology Research Institute, Guangdong Taiyi High-tech Development Co., Ltd., Shenzhen DJI Innovation Division
Technology Co., Ltd., Puzhou Aircraft Technology (Shenzhen) Co., Ltd.
The main drafters of this section. Liu Hailong, Huang Shan, Li Minwei, You Yafei, Zhu Shu, Hu Yingdong, Deng Junjie, Yu Qingsong, Yang Yang, Wang Xiaojie,
Zhong Zhiyong.
Environmental test method for civil light and small UAV system
Part 7.Damp heat test
1 Scope
This part of GB/T 38924 specifies the civil light and small unmanned aerial vehicle (take-off weight 0.25kg~150kg) system (including aircraft and
Ground station) damp heat test test conditions, test equipment and instruments, test process, test interruption and recovery, test result evaluation and test report
Report etc.
This part is applicable to civilian light and small drones that will experience hot and humid environments during use (take-off weight is 0.25kg~150kg)
System (including aircraft and ground station) to determine the ability of civilian light and small UAV systems to withstand natural or induced humid atmospheres.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 38924.1-2020 Environmental test method for civil light and small unmanned aerial vehicle systems Part 1.General
3 Test conditions
3.1 Device under test
The equipment under test shall meet the following requirements.
a) The technical status of the tested equipment should be consistent with the content of the submitted product information;
b) The number of tested equipment should meet the test requirements, and at least one set of tested equipment is required;
c) The tested equipment should have quality inspection certificates such as enterprise qualification certificates.
3.2 Test conditions and tolerances
For the damp and heat test conditions and tolerances of civil light and small UAV systems, see Table 1.
Table 1 Test conditions and tolerances
Serial number test phase
temperature
Temperature tolerance
Relative humidity
Relative humidity tolerance
time
Test period a
1 Heating stage 30→high temperature b ±2 ≥85-2±0.25
2 High temperature temperature in high temperature and high humidity phase ±2 95 ±4 ≥6
3 High temperature temperature in the cooling stage→30 ±2 ≥85-16±0.25
24h is 1 cycle
a The number of test cycles can be selected from 1, 2, 4, 6, 8, and 10.
b The high temperature temperature can be selected from 40℃, 45℃, 50℃, 55℃, 60℃, 65℃, but it cannot exceed the high temperature exposure limit of the equipment under test.
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