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BS EN IEC 62947:2022 Electrically operated spray seats for household and similar use. Methods for measuring the performance. General test methods of spray seats, 2022
- undefined [Go to Page]
- Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General test conditions [Go to Page]
- 4.1 General
- 4.2 Ambient conditions
- 4.3 Electric supply
- 4.4 Water supply
- 4.5 Parameter, unit and minimum measuring accuracy of instruments
- 5 Spray performance [Go to Page]
- 5.1 Spray temperature value, stability, reaction time and warm water duration [Go to Page]
- 5.1.1 Setup
- Tables [Go to Page]
- Table 1 – Requirements for measurements [Go to Page]
- 5.1.2 Measurement method
- Figures [Go to Page]
- Figure 1 – Operation during spray temperature measurement [Go to Page]
- 5.1.3 Results
- Figure 2 – Spray emission 30 s or more
- Figure 3 – Spray emission less than 30 s
- 5.2 Spray temperature stability under spray pressure change [Go to Page]
- 5.2.1 Setup
- 5.2.2 Measurement method
- Figure 4 – Spray temperature-spray stability measurement method under spray pressure change, minimum to maximum [Go to Page]
- 5.2.3 Results
- Figure 5 –Spray temperature-spray stability measurement method under spray pressure change, maximum to minimum
- 5.3 Spray flow rate [Go to Page]
- 5.3.1 Setup
- 5.3.2 Measurement method
- 5.3.3 Results
- Figure 6 – Measurement of flow rate
- 5.4 Spray area [Go to Page]
- 5.4.1 Setup
- Figure 7 – Perforated plate for spray area measurement
- Figure 8 – Jig example [Go to Page]
- 5.4.2 Measurement method
- Figure 9 – Positioning of the frame holding the perforated plate
- Figure 10 – Evaluation of penetrated holes [Go to Page]
- 5.4.3 Results
- 5.5 Spray efficacy [Go to Page]
- 5.5.1 Setup
- Figure 11 – Spray area and counted holes [Go to Page]
- 5.5.2 Measurement method
- 5.5.3 Results
- Figure 12 – Graph of spray efficacy
- 5.6 Wet area [Go to Page]
- 5.6.1 Setup
- 5.6.2 Measurement method
- 5.6.3 Results
- 5.7 Nozzle self-cleaning [Go to Page]
- 5.7.1 Setup
- 5.7.2 Measurement method
- Figure 13 – Wet area diameter [Go to Page]
- 5.7.3 Results
- 6 Heated seat performance [Go to Page]
- 6.1 Seat surface temperature, unevenness, reaction time [Go to Page]
- 6.1.1 General
- 6.1.2 Setup
- Figure 14 – Marking on the nozzle
- Figure 15 – Measurement points [Go to Page]
- 6.1.3 Measurement method
- 6.1.4 Results
- 7 Warm air blower performance [Go to Page]
- 7.1 General
- 7.2 Warm air flow rate [Go to Page]
- 7.2.1 Setup
- Figure 16 – Reaction time measurement [Go to Page]
- 7.2.2 Measurement method
- 7.2.3 Results
- Figure 17 – Warm air flow rate measurement, fixed blower type
- Figure 18 – Warm air flow rate measurement, arm blower type
- 7.3 Warm air temperature [Go to Page]
- 7.3.1 Setup
- 7.3.2 Measurement method
- Figure 19 – Warm air temperature measurement, fixed blower type
- Figure 20 – Warm air temperature measurement, arm blower type [Go to Page]
- 7.3.3 Results
- 7.4 Warm air blower capacity and efficacy measurement [Go to Page]
- 7.4.1 Setup
- Table 2 – Specifications of fabric for warm air blower capacity and efficacy measurement [Go to Page]
- 7.4.2 Measurement method
- 7.4.3 Results
- Figure 21 – Positioning of cylinder and rubber
- 8 Energy consumption and water consumption [Go to Page]
- 8.1 Energy consumption [Go to Page]
- 8.1.1 Energy consumption of spray
- 8.1.2 Energy consumption of heated seat
- Figure 22 – Operation during the energy consumption test [Go to Page]
- 8.1.3 Energy consumption of warm air blower
- 8.2 Water consumption [Go to Page]
- 8.2.1 Setup
- 8.2.2 Measurement method
- 8.2.3 Results
- Annex A (normative)Preparation of test media for measuring spray performance [Go to Page]
- A.1 General
- A.2 Composition
- A.3 Preparation
- Table A.1 – Test media composition
- A.4 Validation test
- Figure A.1 – Preparing test media
- Table A.2 – Validation test criteria of test media
- A.5 Storage
- Figure A.2 – Setup of perforated plate and nozzle
- Figure A.3 – Nozzle
- Annex B (normative)Spray receiver [Go to Page]
- Figure B.1 – Temperature measurement through hole
- Figure B.2 – Temperature measurement for very wide spray
- Figure B.3 – Temperature measurement for wide spray
- Annex C (normative)Preparation of the perforated plate to be filled with test media [Go to Page]
- C.1 General
- C.2 Procedure filling the test media
- Figure C.1 – Filling test media
- Annex D (informative)Low ambient temperature test [Go to Page]
- D.1 Background
- D.2 Test method
- Bibliography [Go to Page]