Electric scooters are another new product form of skateboarding after traditional skateboards. Electric scooters are very energy efficient, charge quickly and have long range capabilities. The whole vehicle has beautiful appearance, convenient operation and safer driving. It is definitely a very suitable choice for friends who like life convenience, adding a little more fun to life. Because it is related to safety issues, the inspection of electric scooters is particularly important. So how to test the electric scooter? This article will give you a detailed introduction to the inspection methods and procedures of electric scooters. I hope you will learn something.
1. Scope of Electric Scooter Inspection
This standard specifies the sampling, inspection and determination of inspection results for electric scooters.
This standard applies to the inspection of electric scooters.
2. Normative reference documents for inspection of electric scooters
The clauses in the following documents become the clauses of this standard through the reference of this standard. For the dated reference documents, all subsequent amendments (excluding errata content) or revisions do not apply to this standard, but encourage the following Whether the latest versions of these documents can be used for the research agreed upon in this standard, and for undated references, the latest versions apply to this standard.
GB/T 2828.1-2003 “Technical Sampling Inspection Procedure”, Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL)
GB3565-1993 “Bicycle Safety Requirements”
GB17761-1999 “General Technical Conditions for Electric Bicycles”
3. Terms and definitions of electric scooter inspection
The following terms and definitions apply to this standard.
3.1 electric scooter electric scooter
It is a low-speed vehicle that uses batteries as the power source, is driven by a DC motor, and cannot be ridden by humans. It is used for leisure, entertainment, and transportation.
3.2 inspection lot inspection lot
Unit products of the same contract and type produced under basically the same production conditions collected for sampling inspection are called inspection batches, or batches for short.
random inspection
Delivery inspection performed by random sampling of inspection lots.
4. Inspection content of electric scooter inspection
4.1 Inspection method
Inspection is divided into type test and random inspection.
4.2 Sampling
4.2.1 Sampling conditions
4.2.1.1 Type test
Type test samples can be taken during or after batch formation, and the samples taken should be able to represent the manufacturing level of the cycle.
4.2.1.2 Random inspection
Samples for spot checks should be drawn after lot formation.
4.2.2 Sampling plan
4.2.2.1 Type test
The samples for the type test are 4 vehicles, and the samples are randomly selected from the products to be inspected.
4.2.2.2 Sampling inspection re-inspection
4.2.2.2.1 Sampling plan and spot check level
According to the provisions of GB/T2828.1 one-time normal sampling plan, the inspection level is special inspection level S-3.
4.2.2.2.2 Received quality AQL
a) Class A unqualified: not allowed;
b) Category B unqualified: AQL=6.5;
c) Class C unqualified: AQL=15.
4.3 Type test
4.3.1 In one of the following situations, the test shall be carried out:
a) When importing or exporting for the first time:
b) When the product structure, material, process or main accessories are changed, which may affect the performance of the product;
c) The quality is unstable, and the spot check fails for 3 consecutive times.
4.5 Judgment of test results
4.5.1 Type test
4.5.1.1 If the type test results meet the following requirements, it is judged to be qualified:
a) Category A inspection items should all meet the requirements of this standard;
b) Nine items (including nine items) of category B inspection items should meet the requirements of this standard;
c) Six items (including six items) of C-type inspection items should meet the requirements of this standard;
d) The above two unqualified items in b) and c) are all qualified after rectification.
4.5.1.2 If the result of the type test fails to meet the requirements of the first three items in 4.5.1.1, it is judged as unqualified.
4.5.2 Spot check inspection
4.5.2.1 If any unqualified item of category A is found, it will be judged that the batch is unqualified.
4.5.2.2 If the unqualified products of category B and category C are respectively less than or equal to the corresponding qualification number A, the batch is judged to be qualified, otherwise it is unqualified.
4.3 Type test
4.3.1 In one of the following situations, the test shall be carried out:
a) When importing or exporting for the first time:
b) When the product structure, material, process or main accessories are changed, which may affect the performance of the product;
c) The quality is unstable, and the spot check fails for 3 consecutive times.
4.5 Judgment of test results
4.5.1 Type test
4.5.1.1 If the type test results meet the following requirements, it is judged to be qualified:
a) Category A inspection items should all meet the requirements of this standard;
b) Nine items (including nine items) of category B inspection items should meet the requirements of this standard;
c) Six items (including six items) of C-type inspection items should meet the requirements of this standard;
d) The above two unqualified items in b) and c) are all qualified after rectification.
4.5.1.2 If the result of the type test fails to meet the requirements of the first three items in 4.5.1.1, it is judged as unqualified.
4.5.2 Spot check inspection
4.5.2.1 If any unqualified item of category A is found, it will be judged that the batch is unqualified.
4.5.2.2 If the unqualified products of category B and category C are respectively less than or equal to the corresponding qualification number A, the batch is judged to be qualified, otherwise it is unqualified.