Foreword
This document is drafted in accordance with the provisions of GB/T 1.1-202 "standardization guidelines, Part 1 structure of standardized documents and starting rules".
This document is "environmental test chamber technical conditions" one of the series of standards, the series consists of the following documents: - GB/T 10586---2006 humidity and heat test chamber technical conditions.
GB/T 10587-2006 salt spray test chamber technical conditions.
GB/T 10588-2006 long mold test chamber technical conditions.
GB/T 10589-2008 low temperature test chamber technical conditions.
GB/T 10590-2006 high and low temperature/low pressure test chamber technical conditions.
GB/T 10591-2006 high temperature/low air pressure test chamber technical conditions.
GB/T 10592-2023 high and low temperature test chamber technical conditions.
GB/T 11158-2008 high temperature test chamber technical conditions.
GB/T 11159-2010 low pressure test chamber technical conditions.
This document replaces GB/T 10592-2008 "High and low temperature test chamber technical conditions", compared with GB/T 10592 a 2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) increased the "temperature shock test" (see Chapter 1).
6 deleted the "actual temperature" (see 3.3 of the 2008 edition), "temperature gradient" (see 3.7 of the 2008 edition), "temperature deviation of the working space" (see 3.9 of the 2008 edition) 3.9 of the 2008 edition), changed the definition of "temperature fluctuation" (see 3.8. 3.5 of the 2008 edition), and changed the term "limit temperature" (see 3.10 of the 2008 edition) to "temperature extremes" (see 3.10 of the 2008 edition). "Temperature extremes" (see 3.5), "Rate of change of temperature" (see 3.8 of the 2008 edition) is divided into "Average rate of change of temperature" (see 3.11) and "linear temperature change rate" (see 3.13), adding "temperature deviation" (see 3.7), "temperature uniformity" (see 3.9), and "Temperature indication error" (see 3.10), "Average temperature change rate throughout" (see 3.12), "Linear temperature change rate throughout" (see 3.14), and "temperature rise and fall time" (see 3.15), "temperature recovery time (see 3.16), "temperature overshoot" (see 3.17), "temperature overshoot " (see 3.18), "temperature overshoot recovery time" (see 3.19), "temperature change test profile" (see 3.20) terms and definitions.
Introduction
Environmental test equipment is a general term for test chambers that simulate climatic conditions, including high and low temperature, heat and humidity, low pressure test chambers. In order to ensure that the test chamber product classification, performance indicators, test methods and other technical provisions in the production and use of a common basis for compliance, China has established a test chamber technical conditions of the standard system, including the following documents.
GB/T 10586-2006 humidity and heat test chamber technical conditions. The purpose is to provide the basis for quality assurance testing for the humid heat test chamber.
GB/T 10587-2006 salt spray test chamber technical conditions. The purpose is to provide the salt spray test chamber quality assurance test basis.
GB/T 10588-2006 long mold test chamber technical conditions. The purpose is to provide the basis for quality assurance inspection of the long mold test chamber.
GB/T 10589-2008 low-temperature test chamber technical conditions. The purpose is to provide a low-temperature test chamber quality assurance test basis.
GB/T 10590-2006 high and low temperature/low pressure test chamber technical conditions. The purpose is to provide a high and low temperature/low air pressure test chamber quality assurance test basis.
GB/T 10591-2006 high temperature/low pressure test chamber technical conditions. The purpose is to provide the basis for high temperature/low pressure test chamber quality assurance inspection.
GB/T 10592-2023 high and low temperature test chamber technical conditions. The purpose is to provide a high and low temperature test chamber quality assurance test basis.
GB/T 11158-2008 high temperature test chamber to find the technical conditions. The purpose is to provide the basis for quality assurance inspection of high-temperature test chambers.
GB/T 11159-2010 low air pressure test chamber technical conditions. The purpose is to provide the basis for quality assurance inspection of the low-pressure test chamber.
High and low temperature test chamber is a simulation of high and low temperature climate conditions test equipment, widely used in a variety of products, components, materials, high or low temperature, high and low temperature cycle and temperature shock environmental testing.
This document from the high and low temperature test chamber manufacturing, use and inspection and other aspects of the temperature specifications, the scientific nature of the test method and the accuracy of the test results, coordinated with GB/T 5170 "environmental test equipment test methods" (all parts), JIF 1101 "environmental test equipment temperature, humidity parameters calibration specifications" and JJF 1270 "temperature, humidity, vibration integrated The terminology of the Calibration Specification for Environmental Test Systems. The relationship between the requirements and test methods, the definition of the temperature specifications, requirements and their corresponding test methods are given.
1 Scope
This document specifies the high and low temperature test chamber (hereinafter referred to as "test chamber") related technical requirements, use and installation conditions, the main test instruments and devices, test methods, test rules, signs, instructions and packaging, transportation, storage and other content.
This document applies to products, parts, materials in the process of research and development, production, inspection and other high or low temperature test, as well as high and low temperature cycle test, temperature shock test chamber. Similar temperature test chamber with reference to the implementation.
2 normative reference documents
The following documents constitute the essential provisions of this document through the normative references in the text. Among them, note the date of the reference document, only the date of the corresponding version applies to this document; do not note the date of the reference document, its latest version (including all the revision of the list) applies to this document.
GB/T 191 packaging storage and transportation iconic signs
GB/T 3785.1 electroacoustic sound level meter part 1: specification
GB/T 5226.1-2019 mechanical electrical safety mechanical electrical no equipment Part 1: General technical conditions
GB 8624 building materials and products burning performance classification
GB/T 9969 General rules for the use of industrial products
GB/T 14048.1-2012 low-voltage switchgear and control equipment Part 1: General
GB/T 15706-2012 mechanical safety design general principles of risk assessment and risk reduction
GB/T 21067-2007 industrial machinery and electrical equipment electromagnetic compatibility general immunity requirements
GB 23313 industrial machinery and electrical equipment electromagnetic compatibility emission limits
GB/T 50050 Industrial circulating cooling water treatment design specification
GB 50209 Construction quality acceptance specification for building ground works
JB/T 9512-2018 climate environment test equipment emission noise sound power level of the sound pressure method of determination
JB/T 12571-2018 climate environment test equipment emission noise work position and other specified position emission sound pressure level determination
3 terms and definitions
The following terms and definitions apply to this document.
4 Technical requirements
4.1 Product performance
Test chamber performance items and requirements are shown in Table 1.
Table 1 test chamber performance items and requirements
4.2 Product structure and appearance requirements
4.2.1 The design of the test chamber should be risk assessment, should take full account of the test section of the mechanical safety, and take measures to reduce the risk. Content according to
GB/T 15706-2012 relevant requirements.
4.2.2 test chamber walls should be used heat-resistant and not easy to oxidize and have a certain mechanical strength of the material manufacturing. There should be no pollution sources that affect the test.
4.2.3 insulation materials should be able to withstand the temperature extremes of the test chamber, and has flame retardant properties (burning performance level of not less than GB 8624 in the B1 level).
4.2.4 test chamber should have a lead hole.
4.2.5 test chamber should be equipped with an observation window and lighting devices for the temperature shock test chamber does not make uniform provisions.
4.2.6 volume > 0.2m 's test box should be equipped with pressure balancing device to avoid damage to the box deformation caused by the stress generated by the temperature difference.
4.2.7 step man type test chamber door should be designed to both the door can be opened in the door of the external, but also in the door of the internal opening of the structure.
4.2.8 volume ≤ 2m 's test box, there should be placed or hanging test samples of the sample frame. Sample shelf should be able to withstand the temperature extremes of the test chamber
4.2.9 heating and cooling device heat and cold should not be directly on the test sample radiation.
4.2.10 refrigeration system should not have air leakage, water leakage, oil leakage and other defects.
5 Use and installation conditions
5.1 Conditions of use
5.1.1 Environmental conditions
Unless otherwise specified, the environment in which the test chamber should meet the following conditions.
Indoor use.
Temperature: 5C~35C;6
Relative humidity: ≤85%.
Barometric pressure: 80kPa ~ 106kPa.
Installation site ground quality in line with the requirements of GB 50209.
6 Main inspection instruments and devices
6.1 Temperature measurement system
Temperature measurement system consists of platinum resistance, thermocouples and other temperature sensors and data collectors, the response time in the air should be less than 20s, when measuring the rate of temperature change, the temperature measurement system response time should be less than 0.5s, the display resolution is not less than .1C. temperature measurement system after correction.
a) tS100C, the maximum allowable error should not exceed 0.2C.
b) 100C
Foreword
Introduction
1 Scope
2 normative reference documents
3 terms and definitions
4 Technical requirements
5 Use and installation conditions
6 Main inspection instruments and devices
7 test method
8 test rules
9 signs, instructions for use
10 packaging, transportation, storage
Appendix A (informative) suspicious data identification methods
Bibliography
