GB/T 26117-2022Miniature electric pumps—Testing method (English PDF)

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" drafted.

This document replaces GB/T 26117-2010 "Micro-pump test method", compared with GB/T 26117-2010, except for structural adjustment Apart from editorial changes, the main technical differences are as follows.

--- Changed the scope (see Chapter 1, Chapter 1 of the.2010 edition);

--- Changed normative references (see Chapter 2, Chapter 2 of the.2010 edition);

--- Added terms, definitions and symbols (see Chapter 3);

--- Delete the relevant provisions of the test content (see 3.1 of the.2010 edition);

--- Increased test assurance requirements (see 4.2);

--- Changed the pump test acceptance level and the corresponding tolerance coefficient value (see Table 2, Table 7 of the.2010 edition);

--- Added the definition of K in the calculation formula of the straight pipe length (L) of the inlet section (see 4.3.2);

--- Increased the accuracy requirements of instruments (see 4.3.3.2);

--- Changed the allowable fluctuation range of the measured value (see Table 3, Table 2 of the.2010 edition);

--- Added "Level 3" related requirements (see 4.5.1.2, 4.5.1.3, 4.7.8, 4.7.4.3.4);

--- Delete the provisions for the system uncertainty of each measurement parameter (see Table 1 of the.2010 edition);

--- Delete the situation that the maximum allowable fluctuation range is large when the transmission signal of the measurement system is automatically recorded or accumulated by the measurement device (see 3.3.1.2.2 of the.2010 version);

--- Changed the relevant provisions of "number of observation groups" (see Table 4, 3.3.1.3 of the.2010 edition);

--- Delete the relevant requirements for the determination of measurement uncertainty (see 3.5.7 of the.2010 edition);

--- Increased the operating thermal stability requirements of the motor (see 4.5.1.4);

--- Increased the length requirements for the cables leading out of the test pump (see 4.5.3);

--- Changed the no-load test of the motor (see 4.6.3, 3.4.3.1 of the.2010 edition);

--- Increased the requirements for reducing the current load method (see 4.6.4.2);

--- Changed the range requirements of winding temperature rise at rated power [see 4.6.5.2, 3.4.4.2b) of the.2010 edition];

--- Changed the test requirements (see 4.7.1, 3.5.1 of the.2010 edition);

--- Increased the guarantee conditions during the test (see 4.7.2);

--- Added test curve requirements (see 4.7.7.2);

--- Increased the tolerance of the guaranteed value of the motor parameters (see Table 6);

--- Changed the test of self-priming performance (see 4.10, 3.8 of the.2010 edition);

--- Increased safety requirements (see 4.11).

1 Scope

This document specifies the tests, test records and test reports for micro-pumps.

This document applies to micro-electric pumps with coaxial motors and pumps (hereinafter referred to as pumps).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 1032 Three-phase asynchronous motor test method

GB/T 3214 Determination method of water pump flow

GB/T 3216-2016 Rotary Power Pump Hydraulic Performance Acceptance Test Level 1, Level 2 and Level 3

GB/T 9651 Test method for single-phase asynchronous motor

GB/T 14711 General safety requirements for small and medium rotating electrical machines

GB/T 22719.1 Inter-turn insulation of scattered windings of AC low-voltage motors Part 1: Test methods

GB/T 22719.2 Inter-turn insulation of scattered windings of AC low-voltage motors Part 2: Test limits

GB/T 29529 Noise Measurement and Evaluation Methods for Pumps

GB/T 29531 Pump Vibration Measurement and Evaluation Method

3 Terms, Definitions and Symbols