SIST EN 60312:200X/oprAA:2008
(Amendment)Vacuum cleaners for household use - Methods of measuring the performance
Vacuum cleaners for household use - Methods of measuring the performance
Work started in WG 6 (draft implementing Directive on vacuum cleaners) * D127/119: Under Benchmark 3 * Extension of target date approved until March 2007 * D128/C112: BT noted the foreseen need for an exceptional second extension of the target date for vote * Under Benchmark 6: Feedback expected (Oct. 2007)
Staubsauger für den Hausgebrauch - Prüfverfahren zur Bestimmung der Gebrauchseigenschaften
Aspirateurs de poussière à usage domestique - Méthodes de mesure de l'aptitude à la fonction
Sesalniki za uporabo v gospodinjstvu - Metode za merjenje lastnosti
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 60312:200X/oprAA:2008
01-april-2008
Sesalniki za uporabo v gospodinjstvu - Metode za merjenje lastnosti
Vacuum cleaners for household use - Methods of measuring the performance
Staubsauger für den Hausgebrauch - Prüfverfahren zur Bestimmung der
Gebrauchseigenschaften
Aspirateurs de poussière à usage domestique - Méthodes de mesure de l'aptitude à la
fonction
Ta slovenski standard je istoveten z: EN 60312:200X/prAA:2008
ICS:
97.080
SIST EN 60312:200X/oprAA:2008 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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DRAFT
EUROPEAN STANDARD
EN 60312
prAA
NORME EUROPÉENNE
February 2008
EUROPÄISCHE NORM
ICS 97.080
English version
Vacuum cleaners for household use -
Methods of measuring the performance
Aspirateurs de poussière à usage domestique - Staubsauger für den Hausgebrauch -
Méthodes de mesure de l'aptitude à la fonction Prüfverfahren zur Bestimmung der
Gebrauchseigenschaften
This draft amendment prAA, if approved, will modify the European Standard EN 60312:200X; it is submitted to
CENELEC members for CENELEC enquiry.
Deadline for CENELEC: 2008-07-04.
It has been drawn up by CLC/TC 59X.
If this draft becomes an amendment, CENELEC members are bound to comply with the CEN/CENELEC Internal
Regulations which stipulate the conditions for giving this amendment the status of a national standard without
any alteration.
This draft amendment was established by CENELEC in three official versions (English, French, German). A
version in any other language made by translation under the responsibility of a CENELEC member into its own
language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to
change without notice and shall not be referred to as a European Standard.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Project: 16120 Ref. No. EN 60312:200X/prAA:2008 E
Draft for Enquiry
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EN 60312:200X/prAA:2008 – 2 –
Foreword
1)
This draft amendment to European Standard EN 60312:200X was prepared by WG 6 of the Technical
Committee CENELEC TC 59X, Consumer information related to household electrical appliances. It is
submitted to the CENELEC enquiry.
This draft amendment has been prepared under Mandate M/353 given to CENELEC by the European
Commission and the European Free Trade Association.
Annex ZA has been added by CENELEC.
Clauses, subclauses, notes, tables and figures which are additional to those in IEC 60312:2007 are
prefixed “Z”.
__________
———————
1)
Circulated to CENELEC/IEC parallel vote and ratified on 2008-02-01.
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Text of prAA to EN 60312
1.3 Definitions
Replace 1.3.16 by:
1.3.16
stroke speed
speed of the cleaning head, moved as uniformly as possible (0,5 m/s ± 0,02 m/s) during a forward or a return
stroke. Cleaning heads with their own speed should be moved with their own speed
Add the following definitions:
1.3.Z1
vacuum cleaner
electrically operated appliance that removes dry material (dust, fibre, threads) from the surface to be cleaned
by an airflow created by a vacuum developed within the unit. The material thus removed is separated in the
appliance and the cleaned suction air is returned to the ambient
1.3.Z2
passive nozzle
cleaning head without any agitation devices
1.3.Z3
cleaning head width
the external maximum width of the cleaning head in mm
1.3.Z4
reference vacuum cleaner system
electrically operated equipment used to fix the reference dust removal ability on carpets with given air related
parameters to improve the reproducibility of test results
NOTE Reference vacuum cleaner system is not suitable for other tests than dust pick-up from carpets.
1.4 General conditions for testing
1.4.6 Operation of the vacuum cleaner
Add after the first paragraph:
NOTE This only applies to those devices that may be operated by the user during normal use. Any safety device shall be allowed to
operate.
1.4.7 Conditioning prior to tests
Add a new paragraph:
Tests carpets already being in use shall be stored unbeaten at standard atmospheric conditions according to
1.4.1. When not in use they should be hanging free, not lying or rolled.
Test carpets prior to first use shall be stored at standard atmospheric conditions for at least 24 h.
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EN 60312:200X/prAA:2008 – 4 –
1.4.9 Mechanical operator
At the beginning of the second paragraph delete "In such cases".
Add a new paragraph:
It must be ensured that the bottom of the cleaning head makes full contact with the test surface. If this is not
possible, the length of the tube must be adjusted.
1.4.11 Reference cleaner system
Replace 1.4.11 by:
Test carpets used in a laboratory for the determination of dust removal ability will over time change from their
original conditions for example due to wearing or gradually filling with dust. The reference vacuum cleaner
system described in 5.2.Z1 shall be used to regularly check the carpet conditions as a verification of test
results obtained.
2.3 Dust removal from carpets
2.3.1 Test carpet
Replace 2.3.1 by:
A test carpet, in accordance with 5.1.1, shall be used. Due to the significant influence of humidity on this test,
it is important to follow the procedure described in 1.4.7.
The carpet has to be fixed on the test floor at the end where forward stroke starts. A force of F = (60 + 10) N
has to be applied at the other end of test carpet to have a defined tension of the carpet.
During measurements the carpet is kept in position on the test floor by use of carpet hold downs (see 5.2.4).
2.3.2 Test area and stroke length
Replace 2.3.2 by:
The direction of the stroke on the test area shall be in the direction of the carpet pile. The length of the test
area (see Figure 7b) is (700 ± 5) mm. The width of the test area is equal to the test width of the cleaning
head (see 1.3.12).
A length of at least 200 mm shall be added before the beginning of the test area and at least 300 mm after
the end of the test area in order to allow acceleration and deceleration of the cleaning head.
Therefore, the stroke length is at least 1 200 mm for the given test length of 700 mm but shall not be greater
than 1 600 mm. The centreline of the front edge of the cleaning head is aligned to the centreline of the
beginning of the acceleration area at the beginning of the stroke, i.e. there shall be 10 mm overlap at each
edge of the test area, allowing the distance of 200 mm to be used for acceleration The cleaning head shall
reach the end of the stroke when the rear edge of the active cleaning depth is at least 200 mm past the end
of the test area. The reverse stroke is carried out in the same way until the front edge of the cleaning head is
at the start of the acceleration length at the beginning of the test area.
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2.3.3 Cleaning cycle
nd rd
Replace the 2 and 3 paragraphs by:
The active depth of the active cleaning head shall move at uniform stroke speed (0,50 ± 0,02) m/s and in a
straight line over the test area.
For optimum control of the double stroke movement it is recommended that an electromechanical operator
(see 1.4.9) be used.
It is important that the cleaning head is kept moving at uniform speed over the test area and that it follows a
straight line by using the carpet hold downs as guides. The guides should have a distance of 5 mm from
carpet surface to ensure an undisturbed airflow. It is recommended that a mechanical operator (see 1.4.9) be
used to simulate the operation of the cleaning head as described.
NOTE 1 The two carpet hold-downs serve the purpose of holding the test carpet in position during measurement and of acting as
guides to keep the cleaning head in a straight line as it is moved over the test area.
NOTE 2 Vacuum cleaners equipped with a self drive device shall be operated as recommended by the manufacturer. In this case the
stroke speed is determined by the vacuum cleaner.
2.3.6 Embedding of dust into carpet
Replace 2.3.6 by:
The dust shall be embedded into the test carpet by carrying out 10 double strokes over the carpet parallel
with the direction of manufacture with a roller, in accordance with 5.2.6.1. The speed of the roller over the
test area shall be uniform 0,5 m/s with the forward stroke being in the direction of manufacture. It is important
to ensure that the test area is completely and evenly rolled. The carpet is then left for a period of 10 min to
recover from rolling.
2.3.7 Preconditioning of dust receptacle
Replace the first sentence by:
In order to minimize the effects of humidity the dust receptacle shall be preconditioned as follows:
2.3.8 Determination of dust removal ability
Replace the first and second paragraphs by:
Three separate cleaning cycles shall be carried out. Prior to each cleaning the sequence of preparations
outlined in 2.3.4 to 2.3.7 shall be performed in total. After each cleaning cycle the cleaning head shall be
lifted between 20 mm and 100 mm clear of the carpet. At the end of three cleaning cycles hose and tube of
the vacuum cleaner have to be agitated while the vacuum cleaner is still running to get the remaining dust
into the dust receptacle. The cleaner shall be switched off and the motor has to stop completely.
After each cleaning cycle the amount of dust removed is determined by removing and weighing the dust
receptacle and other additional filter devices (e. g. filters for motor protection) then subtracting the weight of
the empty dust receptacle and the other filter devices recorded after preconditioning described in 2.3.7.
NOTE For vacuum cleaners equipped with technical devices being part of the appliance used to separate the dust from the air flow
and having additional filters to be changed or cleaned by the user (bagless vacuum cleaners) the weight of all those devices must be
taken into account for the dust removal ability.
Draft for Enquiry
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EN 60312:200X/prAA:2008 – 6 –
Replace the definitions of the formula by:
W weight of the dust receptacle after one cleaning cycle, in grams;
f
K dust removal ability for one cleaning cycle, in per cent;
ct
K (3) mean dust removal from three cleaning cycles, in per cent.
m
Replace the last sentence of this subclause by:
EXAMPLE: 45 %, 47 % and 49 % give a range of four percentage units and two extra cleaning cycles shall be carried out.
2.10 Dust emission of the vacuum cleaner
Replace 2.10 by:
2.10 Fractional filtration efficiency
The aim of this test is to determine the ability of a vacuum cleaner to retain dust, depending on particle size,
from the intake aerosol containing a predefined concentration of test dust.
This test is not suitable for determining permeability of filters or filter materials.
2.10.1 Test conditions
Measuring equipment required for the test is specified in 5.2.9.
In preparation of the test, the vacuum cleaner should be equipped with a new dust receptacle and new filters
according to specifications. It is to be set to operate at maximum airflow.
The vacuum cleaner is placed centrally under the test hood in its normal operation condition.
Dust will be fed
• to vacuum cleaners with a suction hose through this hose,
• to vacuum cleaners without a suction hose (for instance Uprights) through a suitable auxiliary hose
which is connected and sealed tightly to the suction nozzle by use of a nozzle adaptor.
2.10.2 Determining the test dust quantity
For the entire duration of dust being fed, the dust concentration c shall be 0,1 g/m³ in the intake aerosol.
Therefore the maximum airflow q for the vacuum cleaner with the given filter equipment shall be determined,
according to 2.8.
The quantity m of dust to be fed for duration t is calculated consequently as:
DUST
m = c ∗ t ∗ q .
DUST
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2.10.3 Test procedure
With the vacuum cleaner prepared according to 2.10.2, the test proceeds as follows:
• the vacuum cleaner is operated for 5 min under the closed hood without dust being fed,
• particle counts are taken for 30 s from the aerosol intake channel and from the exhaust channel in order
to determine backgrounds,
• dust is fed for 10 min while the particle concentration in the aerosol channel is monitored,
• meanwhile 5 measurement cycles are carried out, each consisting of:
– particle registration from aerosol intake channel for 30 s (upstream measurement),
– flushing of particle analysing system for 15 s,
– particle registration from exhaust channel for 30 s (downstream measurement),
– flushing of particle analysing system for 15 s.
Particle registration is by optical particle counter which can be operated with a suitable aerosol dilution
system to adapt count rate capacity and the particle concentration of aerosol intake and of exhaust channel,
respectively. The results of these measurement cycles shall be recorded as follows:
• counter events/class; i.e. the number of events recorded by the particle counter, separately for each
range of particle size,
• sample air volumes, VAD (upstream) and VAU (downstream); i.e. the volumes of the aerosol samples
analysed by the particle counter combined in the course of the test,
• applicable dilution factors k (upstream or downstream) of the particle analysis system; i.e. the ratio
VA
between the volume of the air sample extracted from the channel and the sample air volume analysed
by the particle counter.
The test procedure shall be repeated with at least 3 vacuum cleaners of identical type.
2.10.4 Evaluation
Based on the particle counts obtained in the 5 measurement cycles, for aerosol intake channel and exhaust
channel, the fractional filtration efficiency is derived for each particle class.
The individual measurements are considered to be samples of a full distribution, and a statistical analysis is
performed accordingly.
Given the particle counts z(k,l) of the aerosol intake channel (upstream) for particle class k obtained from
U
each individual measurement cycle l, the corresponding lower limits of the 95 % -confidence range, Z(k) ,
U
are obtained as follows:
• Summation of particle counts obtained for particle class k in 5 individual measurements upstream
5
=
Z( k ) ∑ z( k ,l )
U U
l =1
where
k index of particle class;
l running index of individual measurement cycles;
z(k,l) particle count upstream in class k from individual measurement cycle l;
U
Z(k) particle sum upstream in class k from all 5 measurement cycles.
U
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EN 60312:200X/prAA:2008 – 8 –
• Determination of the 95 % lower - confidence limits Z(k) for the particle sums Z(k) :
U_95 U
1
If Z(k ) > 50 :
()
U Z(k ) = Z(k ) − 1,96 * Z(k ) 2
U U
U _ 0,95
Z(k ) from 5.2.9, Table 1.
If 50Z(k ) ≤ :
U U _0,95
Given the particle counts z(k,l) of the exhaust channel (downstream) for particle class k obtained from each
D
individual measurement cycle l, the corresponding upper limits of the 95 % - confidence range, Z(i )
D _0,95
are similarly derived by:
• Summation of particle counts obtained for particle class I in 5 individual measurements downstream
5
=
Z( k ) ∑ z( k ,l )
D D
l =1
where
k index of particle class;
l running index of individual measurement cycles;
z(k,l) particle count downstream in class k from individual measurement cycle l;
D
Z(k) particle sum downstream in class k from all 5 measurement cycles.
D
• Determination of corresponding upper limits of the 95 % - confidence range Z(k ) from particle
D _0,95
sums Z(k) :
D
1
If 50Z(k ) > :
D Z(k ) = Z(k ) − 1,96 *()Z(k )
2
D _ 0,95 D D
If Z( k ) ≤ 50 : Z(k ) from 5.2.9, Table 1.
D D _0,95
From the statistical limits calculated above, the lower limit of the 95 % - confidence range of the fractional
filtration efficiency, E(k) , is obtained for each particle class k:
0,95
VA
U
* *
Z(k ) kVA _D
D _0,95
VAD
E(k ) = 1−
0,95
Z(i ) *
k
VA _U
U _0,95
where
k index of particle class;
E(k) lower limit of confidence for filtration efficiency of particle class k;
0,95
k downstream dilution factor of particle analysis system;
VA_D
k upstream dilution factor of particle analysis system;
VA_U
VA downstream sample air volume analysed;
D
VA upstream sample air volume analysed;
U
Z(k) upper limit of confidence for partial sum class k from downstream measurements;
D_0,95
Z(k) lower limit of confidence for particle sum class k from upstream measurements.
U_0,95
This evaluation shall be carried out in every test.
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2.10.5 Record keeping
A record with the following information must be kept for each test of fractional filtration efficiency:
• electrical and air-technical data of the type of at least 3 devices being tested;
• information on its dust receptacle and filter system;
• quantity of test dust being fed in the procedure;
• information on the particle analysis system:
– particle counter and size ranges of analysed particle classes;
– dilution factors upstream and downstream;
• for each particle count:
– dilution factor;
– sample air volume analysed in the particle counter;
– particle counts in each class registered by the particle counter;
• filtration efficiency (lower limit of 95 % - confidence range) of each particle class.
4.4 Impact resistance
In the first sentence replace in the first sentence "a nozzle or a brush" by "a cleaning head".
4.4.2 Determination of impact resistance
In the first and second sentence replace "the nozzle or the brush" by "the cleaning head".
Add a new subclause after 4.13:
4.Z1 Determination of energy efficiency
This subclause refers to mains powered dry vacuum cleaners only.
Since “energy consumption” alone is not linked to a certain cleaning result “energy consumption” and “dust
removal ability” have to be measured and brought into a defined relationship called “energy efficiency”.
“Energy efficiency” is calculated from the figures of “energy consumption” and “dust removal ability”.
To get comparable values they have to be related to a reference level.
4.Z1.1 Determination of energy efficiency on carpets
4.Z1.1.1 Determination of energy consumption
4.Z1.1.1.1 Test requirements
This test is to be carried out with the mechanical test equipment described in 5.2.13.
The test carpet used shall be the Wilton carpet in accordance with 5.1.1.2.
Draft for Enquiry
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EN 60312:200X/prAA:2008 – 10 –
The vacuum cleaner is to be fitted with a new dust bag and filter equipment and is to be operated at
maximum suction setting.
If a setting mechanism is available on the cleaning head, the operational mode "Carpet" is to be selected
(the same as for testing dust removal from carpets).
4.Z1.1.1.2 Test procedure
A test surface with length 1 m and the width of the cleaning head is to be traversed with 5 double strokes at
the given stroke speed of 0,5 m/s. With this the average effective power intake of the vacuum cleaner
including the cleaning head is to be established.
NOTE Vacuum cleaners equipped with a self drive device shall be operated at the prescribed stroke speed of (0,5 ± 0,02) m/s if
possible. Otherwise the stroke speed will be determined by the vacuum cleaner.
The areas to accelerate and decelerate the cleaning head are not taken into account. From the average
effective power intake and the time taken for 5 double strokes, the average energy consumption for
vacuuming of the traversed area is calculated. This figure, which is dependent on the test width (1.3.12) of
the cleaning head, is then used to calculate a figure for a 10 m² area.
4.Z1.1.1.3 Establishing the average effective power intake
Measurement of the electrical effective power intake is carried out with an accuracy 0,5 % related to the
measuring range. The measuring equipment must be controlled in such a way that depending on the
movement of the cleaning head at least 10 measurements are taken over each stroke length. The average
effective power intake is than calculated as follows:
n
10
1 1
P = × × P ()i
eff ∑∑ eff
10 n
11i =
where
P average effective power intake for 5 double strokes in W;
eff
P (i) effective power intake in W per measurement;
eff
n number of effective power measurements/stroke (n ≥ 10).
NOTE If a vacuum cleaner with active nozzle is used, the sum of input power of the cleaner and the nozzle has to be considered.
4.Z1.1.1.4 Establishing energy consumption
The energy consumption per 10 m², E (10 m²) with 5 double strokes, is calculated as follows:
with
P average power intake;
eff
b cleaning head test width;
b on carpets (mm);
test
b on hard floors (mm);
trac
v stroke speed (0,5 m/s);
E energy consumption in Ws.
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Covered area with t
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