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BS ISO 7176-14:2022

BS ISO 7176-14:2022

$215.11

Wheelchairs – Power and control systems for electrically powered wheelchairs and scooters. Requirements and test methods

Published By Publication Date Number of Pages
BSI 2022 76
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PDF Catalog

PDF Pages PDF Title
2 undefined
9 Foreword
10 Introduction
11 1 Scope
2 Normative references
12 3 Terms and definitions
15 4 Apparatus
19 5 Preparation of test wheelchair
5.1 Wheelchair set-up
5.2 Loading the wheelchair
5.3 Wheelchair attributes
5.4 Wheelchair documentation
20 5.5 Preparation records
6 Guidance for tests
6.1 Test order
6.2 Batteries
6.3 Test conditions
7 Single fault safety
7.1 Single fault conditions
7.1.1 General
7.1.2 Requirements
21 7.2 Controller command signal processing failure
7.2.1 General
7.2.2 Requirements
7.2.3 Test method
24 7.3 Controller output device failure
7.3.1 General
7.3.2 Requirements
7.3.3 Test method
27 7.4 Ability to stop when power is removed
7.4.1 General
7.4.2 Requirements
7.4.3 Test method
28 8 Design
8.1 On/off switch
8.1.1 Requirements
8.1.2 Test method
29 8.2 Current consumption while switched off
8.2.1 General
8.2.2 Requirement
8.2.3 Test method
8.3 Control signal at switch on
8.3.1 Requirement
8.3.2 Test method
30 8.4 Safe operation as the battery set becomes depleted
8.4.1 General
8.4.2 Requirements
8.4.3 Test method
32 8.5 Over-discharge protection
8.5.1 Requirement
8.5.2 Test method
33 8.6 Controller over-voltage protection
8.6.1 General
8.6.2 Requirements
8.6.3 Test method
8.7 Switch-off while driving
8.7.1 General
8.7.2 Requirements
34 8.7.3 Test method
8.8 Measuring devices
8.8.1 General
8.8.2 Battery gauge
35 8.9 Drive inhibit during charging
8.9.1 General
8.9.2 Requirement
8.9.3 Test method
8.10 Charging connection voltage drop
8.10.1 General
8.10.2 Requirements
36 8.10.3 Test method
8.11 Non-powered mobility
8.11.1 General
8.11.2 Requirements
37 8.11.3 Brake release
8.11.4 Test method
38 8.12 Brakes
8.12.1 General
8.12.2 Requirement
39 8.13 Battery enclosures
8.13.1 Requirements
8.13.2 Test method
8.14 Symbols
8.15 Safety of moving parts
8.15.1 General
40 8.15.2 Requirements
8.16 Software faults
8.16.1 General
8.16.2 Requirements
8.17 Use in combination with other devices
41 8.18 Wireless technology
8.18.1 General
8.18.2 Wireless technology related labelling
8.18.3 Risk assessment
42 8.18.4 Wireless coexistence testing and verification
8.19 Maintenance and evaluation
9 Protection against electric shock, burns, fire and explosion
9.1 Electrical Isolation of a wheelchair frame
9.1.1 General
43 9.1.2 Requirements
9.1.3 Test method
9.2 Protection from non-insulated electrical parts
9.2.1 General
9.2.2 Requirement
44 9.2.3 Test method
9.3 Circuit protection
9.3.1 General
9.3.2 Requirements
45 9.3.3 Test methods
49 9.4 Stalled condition protection
9.4.1 General
9.4.2 Requirements
50 9.4.3 Test method
51 9.5 Maximum thermal drive test
9.5.1 General
9.5.2 Test method
53 9.6 Surface temperatures
9.7 Isolation of battery system
9.7.1 General
54 9.7.2 Requirement
9.7.3 Isolate switch requirements
9.7.4 Implementation
55 9.7.5 Test Methods
9.8 Resistance to ignition
9.8.1 General
9.8.2 Requirements
10 Ergonomics
10.1 Operator interface
56 10.2 Operating forces
10.2.1 General
10.2.2 Requirements
10.2.3 Test method
58 10.3 Display position
10.4 On/off indicator
10.5 Connectors
10.6 Audible noise
10.6.1 General
10.6.2 Requirement
10.6.3 Test method
59 10.6.4 Ancillary equipment test
60 10.7 Acoustic warning device
10.7.1 General
10.7.2 Requirements
10.7.3 Test method
61 11 Durability
11.1 Control devices
11.1.1 General
11.1.2 Requirement
62 11.2 Switches
11.2.1 General
11.2.2 Durability requirements
11.2.3 Safety requirements
11.3 Connectors
11.3.1 General
11.3.2 Requirements
63 12 Electrical connections
12.1 Interchangeability
12.2 Wire routing
12.2.1 General
12.2.2 Requirements
12.2.3 Test method
12.3 Wire colours
64 12.4 Intermediate battery connection power drains
12.4.1 General
12.4.2 Requirements
12.4.3 Test method
13 Environmental
13.1 Substance/liquid ingress (in)
13.2 Leakage of substances (out)
13.3 Electromagnetic compatibility
13.4 Biocompatibility and toxicity
65 14 Misuse and abuse
14.1 Reversed polarity at the battery set
14.1.1 General
14.1.2 Requirements
14.1.3 Test method
14.2 Integrity of enclosures
14.2.1 General
66 14.2.2 Requirements
14.2.3 Test method
14.3 Protection against unauthorized access.
15 Information provided with the wheelchair related to control systems
15.1 General
67 15.2 Operator diagrams
15.3 Operation of wheelchair
68 15.4 Safety information provided to operators
15.5 Removable parts
16 Test report
69 17 Disclosure
70 Annex A (informative) Guidance on wheelchair wire sizing and protection
72 Annex B (informative) Guidance to estimate reverberation time for an acoustic area
73 Annex C (informative) Guidance for switch circuit design
75 Bibliography

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BS ISO 7176-14:2022
$215.11