IEC 62947:2022

Electrically operated spray seats for household and similar use - Methods for measuring the performance - General test methods of spray seats

IEC 62947-1:2022 specifies test methods to measure the performance of electrically operated spray seats for household and similar use.
This document applies to spray seats, including tank-type spray seats, instantaneous-type spray seats and combination-type spray seats.
This document does not apply to the electrically operated spray seats that are intended for medical and/or assistive functions
This International Standard does not specify acoustical noise requirements for electrical spray seats. Acoustical noise measurements are specified in IEC 60704-1 and the IEC 60704-2 series.

Sièges de toilettes électriques à pulvérisation d'eau pour usages domestiques et analogues - Méthodes de mesure de l'aptitude à la fonction - Méthodes d'essai générales des sièges de toilettes à pulvérisation d'eau

L'IEC 62947-1:2022 spécifie les méthodes d'essai pour mesurer l'aptitude à la fonction des sièges de toilettes électriques à pulvérisation d'eau destinés à des usages domestiques et analogues.
Le présent document s'applique aux sièges à pulvérisation, y compris les sièges à pulvérisation de type réservoir, les sièges à pulvérisation de type instantané et les sièges à pulvérisation de type combiné.
Le présent document ne s'applique pas aux sièges électriques à pulvérisation destinés aux fonctions médicales et/ou d'aide à la personne.
La présente Norme internationale ne spécifie pas les exigences relatives au bruit aérien qui s'appliquent aux sièges électriques à pulvérisation. Les mesures de bruit aérien sont spécifiées dans l'IEC 60704-1 et dans la série IEC 60704-2.

General Information

• Status: Published
• Publication Date: 10-Oct-2022
• ICS: 97.180 - Miscellaneous domestic and commercial equipment
• Technical Committee: SC 59L - Small household appliances
• Drafting Committee: WG 7 - TC 59/SC 59L/WG 7
• Current Stage: PPUB - Publication issued
• Start Date: 07-Nov-2022
• Completion Date: 11-Oct-2022

Standards Content (Sample)

IEC 62947
®

Edition 1.0 2022-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside


Electrically operated spray seats for household and similar use – Methods for
measuring the performance – General test methods of spray seats

Sièges de toilettes électriques à pulvérisation d'eau pour usages domestiques
et analogues – Méthodes de mesure de l'aptitude à la fonction – Méthodes
d'essai générales des sièges de toilettes à pulvérisation d'eau

IEC 62947:2022-10(en-fr)

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IEC 62947

®


Edition 1.0 2022-10




INTERNATIONAL



STANDARD




NORME


INTERNATIONALE
colour

inside










Electrically operated spray seats for household and similar use – Methods for

measuring the performance – General test methods of spray seats



Sièges de toilettes électriques à pulvérisation d'eau pour usages domestiques

et analogues – Méthodes de mesure de l'aptitude à la fonction – Méthodes

d'essai générales des sièges de toilettes à pulvérisation d'eau















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 97.180 ISBN 978-2-8322-5814-9




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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– 2 – IEC 62947:2022 © IEC 2022
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 General test conditions . 9
4.1 General . 9
4.2 Ambient conditions. 9
4.3 Electric supply . 10
4.4 Water supply . 10
4.5 Parameter, unit and minimum measuring accuracy of instruments . 10
5 Spray performance . 10
5.1 Spray temperature value, stability, reaction time and warm water duration . 10
5.1.1 Setup . 10
5.1.2 Measurement method . 11
5.1.3 Results . 12
5.2 Spray temperature stability under spray pressure change . 13
5.2.1 Setup . 13
5.2.2 Measurement method . 13
5.2.3 Results . 14
5.3 Spray flow rate . 15
5.3.1 Setup . 15
5.3.2 Measurement method . 15
5.3.3 Results . 15
5.4 Spray area . 16
5.4.1 Setup . 16
5.4.2 Measurement method . 18
5.4.3 Results . 19
5.5 Spray efficacy . 19
5.5.1 Setup . 19
5.5.2 Measurement method . 20
5.5.3 Results . 20
5.6 Wet area . 21
5.6.1 Setup . 21
5.6.2 Measurement method . 21
5.6.3 Results . 21
5.7 Nozzle self-cleaning . 21
5.7.1 Setup . 21
5.7.2 Measurement method . 21
5.7.3 Results . 22
6 Heated seat performance . 22
6.1 Seat surface temperature, unevenness, reaction time . 22
6.1.1 General . 22
6.1.2 Setup . 22
6.1.3 Measurement method . 23
6.1.4 Results . 24

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IEC 62947:2022 © IEC 2022 – 3 –
7 Warm air blower performance . 24
7.1 General . 24
7.2 Warm air flow rate . 24
7.2.1 Setup . 24
7.2.2 Measurement method . 25
7.2.3 Results . 25
7.3 Warm air temperature . 26
7.3.1 Setup . 26
7.3.2 Measurement method . 26
7.3.3 Results . 27
7.4 Warm air blower capacity and efficacy measurement . 27
7.4.1 Setup . 27
7.4.2 Measurement method . 28
7.4.3 Results . 28
8 Energy consumption and water consumption . 29
8.1 Energy consumption . 29
8.1.1 Energy consumption of spray . 29
8.1.2 Energy consumption of heated seat . 30
8.1.3 Energy consumption of warm air blower . 31
8.2 Water consumption . 31
8.2.1 Setup . 31
8.2.2 Measurement method . 31
8.2.3 Results . 32
Annex A (normative) Preparation of test media for measuring spray performance . 33
A.1 General . 33
A.2 Composition . 33
A.3 Preparation . 33
A.4 Validation test . 34
A.5 Storage . 35
Annex B (normative) Spray receiver . 36
Annex C (normative) Preparation of the perforated plate to be filled with test media . 38
C.1 General . 38
C.2 Procedure filling the test media . 38
Annex D (informative) Low ambient temperature test . 39
D.1 Background. 39
D.2 Test method . 39
Bibliography . 40

Figure 1 – Operation during spray temperature measurement . 11
Figure 2 – Spray emission 30 s or more . 12
Figure 3 – Spray emission less than 30 s . 12
Figure 4 – Spray temperature-spray stability measurement method under spray
pressure change, minimum to maximum . 13
Figure 5 –Spray temperature-spray stability measurement method under spray
pressure change, maximum to minimum . 14
Figure 6 – Measurement of flow rate . 15
Figure 7 – Perforated plate for spray area measurement . 16

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– 4 – IEC 62947:2022 © IEC 2022
Figure 8 – Jig example . 17
Figure 9 – Positioning of the frame holding the perforated plate . 18
Figure 10 – Evaluation of penetrated holes . 18
Figure 11 – Spray area and counted holes . 19
Figure 12 – Graph of spray efficacy . 20
Figure 13 – Wet area diameter . 21
Figure 14 – Marking on the nozzle . 22
Figure 15 – Measurement points . 22
Figure 16 – Reaction time measurement . 24
Figure 17 – Warm air flow rate measurement, fixed blower type . 25
Figure 18 – Warm air flow rate measurement, arm blower type . 25
Figure 19 – Warm air temperature measurement, fixed blower type . 26
Figure 20 – Warm air temperature measurement, arm blower type . 26
Figure 21 – Positioning of cylinder and rubber . 28
Figure 22 – Operation during the energy consumption test. 30
Figure A.1 – Preparing test media . 34
Figure A.2 – Setup of perforated plate and nozzle . 35
Figure A.3 – Nozzle . 35
Figure B.1 – Temperature measurement through hole . 36
Figure B.2 – Temperature measurement for very wide spray . 37
Figure B.3 – Temperature measurement for wide spray . 37
Figure C.1 – Filling test media . 38

Table 1 – Requirements for measurements . 10
Table 2 – Specifications of fabric for warm air blower capacity and efficacy
measurement . 27
Table A.1 – Test media composition . 33
Table A.2 – Validation test criteria of test media . 34

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IEC 62947:2022 © IEC 2022 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

ELECTRICALLY OPERATED SPRAY SEATS FOR HOUSEHOLD AND
SIMILAR USE – METHODS FOR MEASURING THE PERFORMANCE –
GENERAL TEST METHODS OF SPRAY SEATS

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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IEC 62947 has been prepared by subcommittee 59L: Small household appliances, of IEC
technical committee 59: Performance of household and similar electrical appliances. It is an
International Standard.
The text of this International Standard is based on the following documents:
Draft Report on voting
59L/210/CDV 59L/216/RVC

Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
In this standard, the following print types are used:
– terms defined in Clause 3: in bold type.

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– 6 – IEC 62947:2022 © IEC 2022
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
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IEC 62947:2022 © IEC 2022 – 7 –
INTRODUCTION
In recent years, spray toilet seats (hereinafter spray seats) have been used in various places,
including households and public facilities.
The International Standard currently available for these products is IEC 60335-2-84, which
covers the aspects of electrical safety.
This document covers the aspects of performance and specifies the general test methods for
the evaluation of the performance of spray seats, including the test methods using substitutes
of human faeces that take into consideration the large variety of human faeces substitutes,
based on the fact that they are different in terms of composition, and the health condition of the
user and their sitting style can have an influence on the overall performance.

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– 8 – IEC 62947:2022 © IEC 2022
ELECTRICALLY OPERATED SPRAY SEATS FOR HOUSEHOLD AND
SIMILAR USE – METHODS FOR MEASURING THE PERFORMANCE –
GENERAL TEST METHODS OF SPRAY SEATS



1 Scope
This International Standard specifies test methods to measure the performance of electrically
operated spray seats for household and similar use.
This document applies to spray seats, including tank-type spray seats, instantaneous-type
spray seats and combination-type spray seats.
This document does not apply to the electrically operated spray seats that are intended for
medical and/or assistive functions
NOTE This International Standard does not specify acoustical noise requirements for electrical spray seats.
Acoustical noise measurements are specified in IEC 60704-1 and the IEC 60704-2 series.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60335-2-84:2019, Household and similar electrical appliances – Safety – Part 2-84:
Particular requirements for toilet appliances
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following
addresses:
• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1
spray seat
toilet seat fitted with a device that emits water to the intimate area of the human body
Note 1 to entry: Spray seats can have functions such as heating the seat, blowing warm air, deodorizing or
automatically opening/closing the seat and the bowl cover.
3.2
spray receiving point
point where the centre of the spray crosses the horizontal plane of the toilet bowl rim when the
nozzle is in its middle position.
3.3
rear spray
spray emitted to the anal area

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IEC 62947:2022 © IEC 2022 – 9 –
3.4
oscillating spray function
spray emitted by moving the spray point around the initial point
3.5
pulsating spray function
spray emitted from the nozzle, with changing spray pressure at regular time intervals
3.6
warm air blower
device that blows, by an electrical heating element and fan, warm air around the wet area of
the body
3.7
rated spray angle
spray angle indicated by the manufacturer or defined by construction, which refers to the angle
between the horizontal plane and the centre of the spray
3.8
spray pressure
spray intensity perceived by the user, which does not correlate exactly with the physical
pressure value
4 General test conditions
4.1 General
The spray to be tested shall be the rear spray, not the front spray, unless otherwise specified.
The spr
...