GB 17945-2024 (GB 17945-2010) PDF English
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GB 17945-2010: Fire emergency lighting and evacuate indicating system---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB17945-2010
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.220.20
Q 77
Replacing GB 17945-2000
Fire emergency lighting
and evacuate indicating system
Issued on: SEPTEMBER 02, 2010
Implemented on: MAY 01, 2011
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Classification... 9
5 Protection degree... 10
6 Requirements... 11
7 Tests... 26
8 Inspection rules... 47
9 Marking... 49
10 Operation instruction... 49
Annex A (informative) Composition of fire emergency lighting and evacuate
indicating system... 51
Annex B (normative) Evacuate indicating signs... 56
Annex C (normative) Product model... 59
Annex D (normative) Sealed cadmium-nickel, hydrogen-nickel chargeable
battery... 61
Annex E (normative) Valve-controlled sealed lead-acid battery... 66
Annex F (normative) Grinding miller diagram... 73
Fire emergency lighting
and evacuate indicating system
1 Scope
This Standard specifies terms and definitions, classification, protection degree,
general requirements, test, inspection rules, marking and operation instruction
of fire emergency lighting and evacuate indicating system.
This Standard is applicable to fire emergency lighting and evacuate indicating
system (hereinafter referred to as "system") installed and used in general
industrial and civil buildings and to the system installed in other environment
and with specific requirements (except unless otherwise specified by relevant
standard).
2 Normative references
The following standards contain provisions which, through reference in this text,
constitute provisions of this standard. For dated reference, subsequent
amendments to (excluding correction to), or revisions of, any of these
publications do not apply. However, all parties coming to an agreement
according to this standard are encouraged to study whether the latest edition
of these documents is applicable. For undated references, the latest edition of
the normative document is applicable to this standard.
GB 4208-2008 Degrees of protection provided by enclosure (IP code) (IEC
60529.2001, IDT)
GB 7000.1-2007 Luminaires - Part 1.General requirements and tests (IE C
60598-1.2003, IDT)
GB/T 9969 General principles for preparation of instructions for use of
industrial products"
GB 12978 Rules for test of fire electronic products
GB 13495 Fire safety signs (GB 13495-1992, neq ISO 6309.1987)
GB 16838 Environmental test methods and severities for fire electronic
products
3.3
fire emergency lighting & indicating luminaire
Fire emergency luminaire which has the function of fire emergency lighting
luminaire and fire emergency indicating luminaire simultaneously.
3.4
fire emergency luminaire powered by self-contained battery
Fire emergency luminaire of which the battery, light source and associated
circuits are assembled in the luminaire.
3.5
emergency power supply cell for fire emergency luminaire
Component of battery and associated circuits which are not in the same
luminaire as light source in fire emergency luminaire powered by self-contained
battery.
3.6
son & mother type fire emergency luminaire(s)
A group of fire emergency luminaires that the son fire emergency luminaire has
no independent battery and is powered by the associated mother fire
emergency luminaire, and its working state is controlled by the mother luminaire.
3.7
fire emergency luminaire powered by centralized batteries
Fire emergency luminaire that has no independent battery therein and is
powered by centralizing power supply for fire emergency luminaries.
3.8
centralizing power supply for fire emergency luminaries
Power supply which powers for fire emergency luminaire powered by
centralized batteries if fire occurs and takes battery as the energy source.
3.9
fire emergency luminaire controlled by central control panel
Fire emergency luminaire of which the working state is controlled by central
luminaires powered by centralized battery
Fire emergency lighting and evacuate indicating system composed of fire
emergency luminaire controlled by central control panel, central control panel
for fire emergency luminaire, centralizing power supply for fire emergency
luminaries, distribution and switch equipment for fire emergency lighting and
associated accessories.
3.16
non-central controlled fire emergency lighting system for fire emergency
luminaires powered by centralized battery
Fire emergency lighting and evacuate indicating system composed of fire
emergency luminaire powered by centralized batteries, centralizing power
supply for fire emergency luminaries, distribution and switch equipment for fire
emergency lighting, associated accessories, etc.
3.17
switch board for fire emergency lighting
The Distribution and switch equipment which is powered by fire emergency
luminaire powered by self-contained battery.
3.18
distribution and switch equipment for fire emergency lighting
Distribution and switch equipment which distributes power for emergency
output of centralizing power supply for fire emergency luminaries.
3.19
exhausted voltage
Terminal voltage of battery that the fire emergency luminaire does not have
emergency action any more when the overdischarge protection part starts.
4 Classification
4.1 System classification
Classified according to system type.
a) Central controlled system for fire emergency luminaires powered by self-
contained battery;
specified in GB 4208-2008; that of the luminaires installed outdoors shall not
be less than IP67 specified in GB 4208-2008 and shall meet the nominal
protection degree.
5.3 The installing surface of the luminaires on floor shall be capable of
withstanding exoteric mechanical shock and grinding.
6 Requirements
6.1 General provisions
Fire emergency lighting and evacuate indicating system and its all parts shall
first meet the requirements of this Clause if it is intended to comply with this
standard, and then shall be subjected to tests according to the relevant
requirements of Clause 7 and meet the test requirements. The system and its
composition may refer to the description of Annex A.
6.2 General requirements
6.2.1 The main power supply shall adopt 220 V (centralizing power supply for
fire emergency luminaries may adopt 380 V), 50 Hz AC power supply; the
dropping equipment of the main power supply shall not adopt resistance-
capacitance voltage-reducing mode; the main power supply of luminaires on
floor shall adopt safety voltage.
6.2.2 The system that its enclosure adopts non-insulating material shall be
equipped with earthing protection; the earthing terminal shall meet the
requirements of GB 7000.1-2007 and shall be provided with definite marking.
6.2.3 The marking of fire emergency indicating luminaires shall meet the
relevant requirements of Annex B; the evacuate indicating luminaires shall use
Figure B.1, Figure B.2 or Figure B.3 as the main marking information; the storey
indicating luminaires shall use Arabic numerals and letter "F" as the main
marking information.
6.2.4 The fire emergency luminaire with inversion output and output voltage
exceeding 36 V shall be capable of stopping battery discharge within 20 s after
disconnecting light source for 5 s during the period of emergency working state.
6.2.5 The luminaire using fluorescent lamp as the light source shall not access
a starter into emergency circuit and shall not use the light source with built-in
starter.
6.2.6 The maximum rated power of single-phase output of centralizing power
supply for fire emergency luminaries shall not be larger than 30 kV·A, and the
maximum rated power of three-phase output shall not be larger than 90 kV·A;
6.2.8 The model preparation method of each part of the system shall meet the
requirements of Annex C.
6.3 System and complete performance
6.3.1 General requirements
6.3.1.1 The emergency switching time of the system shall not be larger than 5
s, and that of the system used in high hazardous area shall not be larger than
0.25 s.
6.3.1.2 The emergency working time of the system shall not be less than 90
min and shall not be less than the nominal emergency working time of the
luminaire itself.
6.3.1.3 The surface brightness of fire emergency indicating luminaire shall meet
the following requirements.
a) For the marker light consisting of marking only with green or red figures,
the minimum brightness of the marking surface shall not be less than 50
cd/m2, and the maximum brightness shall not be larger than 300 cd/m2;
b) For the marker light consisting of marking with white and green
combination or white and red combination figures, the minimum
brightness of the surface shall not be less than 5 cd/m2, and the maximum
brightness shall not be larger than 300 cd/m2; the ratio of maximum
brightness and minimum brightness of white, green or red itself shall not
be larger than 10.The brightness ratio of corresponding points at both
sides of white and adjacent green or red boundary shall not be less than
5 and shall not be larger than 15.
6.3.1.4 The luminous flux of fire emergency lighting luminaire in emergency
state shall not be less than the nominal luminous flux and shall not be less than
50 lm. The luminous color temperature of flashlight for evacuation shall be 2500
K ~ 2700 K.
6.3.1.5 Fire emergency lighting & indicating luminaire shall meet the
requirements of 6.3.1.3 and 6.3.1.4 simultaneously.
6.3.1.6 Where the luminaires are in abnormal conditions that the light source is
not connected, cannot normally operate or its specification does not meet the
requirements, etc., the maximum temperature of the internal component
surface shall not exceed 90 °C and shall not affect the normal charging of
battery. After the light source is recovered, the luminaires shall be capable of
normal operation.
6.3.1.7 For luminaires with voice prompt, the voice should use "Here is the
luminaires combined herewith; the state indicator lamp may adopt one
tricolored indicator lamp, indicating green when the luminaire is in the main
power supply working state, red when in charging state and yellow when in fault
state or failing to complete the self-checking function.
6.3.2.5 Floor-installed and seal-installed luminaires in other locations shall also
meet the following requirements.
a) The state indicator lamp and the nonlocking button (switch) for controlling
emergency work output shutoff shall be arranged in the luminaires and
shall be clearly visible after uncovering; non-central controlled luminaires
shall be arranged with nonlocking test button (switch) or remote control
device for remotely simulating main power supply fault;
b) For non-glisten maintained or guiding light stream type indicating
luminaire, state indicator lamp may not be arranged on the surface, but
the light source shall glisten when the luminaire is out of service or fails to
complete self-checking, and the glisten frequency shall not be less than
1Hz; the glisten frequency of guiding light stream type luminaire, in fault,
shall have obvious difference with the normal glisten frequency;
c) The state indicator lamp of lighting luminaire shall be arranged at the
position which is obviously observed from the exposed or transparent
surface of the luminaire; the state indicator lamp may adopt one tricolored
indicator lamp, indicating red when the luminaire is in charging state,
green in full charging, and yellow when in fault state or failing to complete
the self-checking function.
6.3.2.6 The line voltage drop of connecting line between son & mother
luminaires for the son & mother type luminaire shall not exceed 3 % of output
terminal voltage of mother luminaire.
6.3.2.7 Non-maintained fire emergency luminaire powered by self-contained
battery and son & mother type fire emergency luminaire shall lighten the fault
state indicator lamp under light source fault condition and shall be capable of
recovering to the normal working state after normal light source connected.
6.3.2.8 For the fire emergency luminaire with remote control device, the
distance between the remote controller and the receiving device shall not be
less than 3m and shall not be larger than 15 m.
6.3.3 Performance of luminaire powered by centralized battery
Luminaire powered by centralized battery (except floor-installed luminaire and
central controlled luminaire) shall be arranged with main power supply and
emergency power supply state indicator lamp, green for main power supply
fault sound and light signal and indicate the fault type under the following
conditions; the fault sound signal shall be capable of being manually eliminated;
if there is any new fault signal, the fault sound signal shall be restarted; the fault
light signal shall be maintained before fault removal. The fault conditions are as
follows.
a) Open circuit of connecting line between charger and battery;
b) Open circuit of emergency output circuit;
c) Battery voltage is less than overdischarge protection voltage in emergency
state.
6.3.5 Performance of switch board for fire emergency lighting
6.3.5.1 Dual-input switch board for fire emergency lighting shall be capable of
automatically launching into standby power supply when the normal power
supply is in fault, and of automatically recovering to normal power supply after
the normal power supply recovers; the normal power supply and standby power
supply shall be free from simultaneous output, equipped with manual test
switching device, and shall be capable of automatically recovering to the normal
power supply after the manual test switching completes.
6.3.5.2 The switch board for fire emergency lighting shall be capable of
receiving emergency switching interlocking control signal, cutting off power
supply, and making connected luminaire switch into emergency state and send
feedback signal.
6.3.5.3 Each output distribution circuit of the switch board for fire emergency
lighting shall be arranged with protective electrical device and shall meet the
relevant requirements of GB 50054.
6.3.5.4 Each power supply of the switch board for fire emergency lighting shall
be equipped with green power supply state indicator lamp to indicate the power
supply state of normal power supply and standby power supply.
6.3.5.5 In emergency switching, the switch board for fire emergency lighting
shall guarantee luminaire to switch into the emergency working state within 5s,
and the emergency switching time in high hazardous area shall not be larger
than 0.25 s.
6.3.6 Performance of distribution and switch equipment for fire
emergency lighting
6.3.6.1 It shall be capable of completing the switching from main power supply
working state to emergency working state.
a) Undervoltage main power supply of central control panel for fire
emergency luminaire;
b) Open circuit and short circuit of connecting line between the charger of
standby power supply of central control panel for fire emergency luminaire
and the standby power supply;
c) Open circuit and short circuit of connecting line between the central control
panel for fire emergency luminaire and the standby power supply powered
for it.
6.3.7.7 Central control panel for fire emergency luminaire shall be capable of
conducting function check for the body and all indicator lamps, displayers and
acoustic devices on panels.
6.3.7.8 Central control panel for fire emergency luminaire shall be capable of
making all the connected luminaires switching into the emergency state with
manual and automatic mode; the button forcing all the luminaires to switch into
the emergency state shall be arranged.
6.3.7.9 Where the connecting line between the luminaire of a certain branch
and the central control panel for fire emergency luminaire occurs to open circuit,
short circuit or earthing, the working of luminaires of other branches or
emergency power supply cell shall not be influenced.
6.3.7.10 Where central control panel for fire emergency luminaire controls the
luminaire powered by self-contained battery, it shall maintain the emergency
working state when the connecting line between the luminaire in emergency
working state and the central control panel for fire emergency luminaire occurs
to open circuit and short circuit.
6.3.7.11 Where central control panel for fire emergency luminaire controls the
luminaire powered by self-contained battery, it shall be capable of indicating the
working state of the switch board for fire emergency lighting.
6.3.7.12 Where central control panel for fire emergency luminaire controls the
centralizing power supply for fire emergency luminaries, the central control
panel for fire emergency luminaire shall also meet the following requirements.
a) Indicate the position of each emergency power supply, main power supply
working state, charging state, fault state, battery voltage, output voltage
and output current;
b) Indicate the working state of distribution and switch equipment for fire
emergency lighting;
c) Control each emergency power supply switching into the emergency
C20A.
6.5 Battery performance
The system shall select cadmium-nickel, nickel-hydrogen and maintenance-
free lead acid battery. Cadmium-nickel and nickel-hydrogen battery shall meet
the requirements of Annex D; maintenance-free lead acid battery shall meet the
requirements of Annex E; if other battery is adopted, the battery itself shall be
provided with self-recovery short circuit protection device based on meeting the
requirements of Annex D.
6.6 Repeat switching performance
The system shall be capable of continuously completing at least 50 working
state cycles of "main power supply state for 1 min → emergency state for 20 s
→ main power supply state for 1 min".
6.7 Voltage fluctuation performance
The system shall not switch into the emergency state within the range of 85 %
~ 110 % of the main power supply voltage.
6.8 Switching voltage performance (except central controlled system)
The main power supply voltage, when the system is switched into the
emergency state from the main power supply state, shall be within the range of
60 % ~ 85 % of the main power supply voltage. The main power supply voltage
recovering to the main power supply state from the emergency state shall not
be larger than 85 % of the main power supply voltage; if the system voltage is
any voltage within the range of 60 % ~ 85 % of the main power supply voltage,
the system shall be free from such switching phenomena as state indicator
lamp and relay fluctuation for several times; non-glisten light source shall be
free from light source flicker state.
6.9 Charge and discharge durability
The system shall complete the charge and discharge process with 10 cycles of
"fully charged → discharge off → fully charged". The last discharge time shall
not be less than 85% of the first discharge time and shall meet the requirements
of 6.3.2.
6.10 Insulating property
The insulation resistance between the main power supply input terminal of the
equipment in the system and the enclosure shall not be less than 50 MΩ; the
insulation resistance between the external live terminal with insulation
requirements and the enclosure shall not be less than 20 MΩ.
Creepage distance and clearance of the equipment in the system shall meet
the requirements of Clause 11 of GB 7000.1-2007.
6.17 Performance of main components
6.17.1 The main components of the system shall adopt the approved product
meeting the relevant standards of the nation.
6.17.2 The charge-discharge performance of the system battery shall meet the
requirements of 6.5.
6.17.3 The system shall add fuse or other protective device between battery
and charge and discharge circuit and between main power supply input circuits,
and the current value indication of the fuse shall be distinct; direct current and
alternating current fuse shall be indicated by model (direct current is DC and
alternating current is AC); the indicated font height shall not be less than 2 mm,
and the font shall be visible.
6.17.4 The earthing terminal of the equipment in the system shall be indicated
distinctly.
6.17.5 The enclosure of the equipment of the system shall be made of
incombustible material or nonflammable material (oxygen index ≥ 28); internal
wiring and external wiring shall meet the requirements of Clause 5 of GB
7000.1-2007.
6.17.6 Under the environment temperature of (25 ± 3) °C, the maximum surface
temperature of heating elements and components such as built-in transformer
and ballast shall not exceed 90 °C. The environment temperature around (not
touching) the battery shall not exceed 50 °C.
6.17.7 The indicator lamp shall be marked with function; under the condition not
larger than 500 lx ambient light, within the range of right ahead 22.5° visual
angle, the indicator lamp shall be distinct and visible at 3 m.
6.17.8 Under the normal working conditions, the sound pressure level (A-
weighted) of acoustic devices at 1 m right ahead shall be larger than 65 dB and
less than 115 dB.
7 Tests
7.1 General provisions
7.1.1 Atmospheric conditions of test
Unless otherwise specified in the relevant clauses, each test shall be carried
emergency working time.
7.2.2.3 Immediately measure the surface brightness of different marker lights
(including the marking part of the lighting marker lights) respectively according
to the following procedure when the main power supply state is switched into
the emergency state; after discharge for 80 min, immediately measure the
surface brightness of different marker lights (including the marking part of the
lighting marker lights) respectively according to the following procedure.
a) For the marker light consisting of marking information only with green or
red figures and characters, 10 points shall be selected from the figures
and characters for measurement;
b) For the marker light consisting of marking information with combined color
figures and characters, 10 points shall be selected uniformly from the
figures and characters according to the point selection mode of Annex B
for measurement, and then 10 points shall be selected correspondingly
from another color adjacent to each point for measurement.
c) For the marker light with double-side indication, the surface brightness of
two surfaces shall be measured respectively according to a) or b).
7.2.2.4 Immediately measure the luminous flux of lighting lamp (including the
lighting part of the lighting marker light) when the main power supply state is
switched into the emergency state; after discharge for 80 min, immediately
measure the luminous flux of the lighting lamp (including the lighting part of the
lighting marker light) in the emergency state and the luminous color
temperature of the flashlight for evacuation.
7.2.2.5 Cut off the main power supply of fire emergency luminaire powered by
self-contained battery or son & mother type fire emergency luminaire, make it
in the emergency state, respectively make the main power supply line short
circuit and earthing, and inspect the working condition of luminaire.
7.2.2.6 Start the test button (switch or remote receiving launching unit) of the
luminaire for simulating AC power supply fault, inspect the switching condition
of the working state; inspect whether the main power supply supplies power to
light source and charging circuit and whether to influence the switch with
emergency function; test the remote control function and remote control
distance of the luminaire in different distances.
7.2.2.7 Make the luminaire in the main power supply working state, check the
manual self-checking function, and then make the luminaire in the emergency
working state, and check the function controlling emergency working shutoff.
7.2.2.8 Respectively disconnect the battery and light source of fire emergency
7.2.3.3 Respectively make centralizing power supply for fire emergency
luminaries in the main power supply and emergency working state, make any
output branch short circuit, and check the working condition of another branch
of the centralizing power supply for fire emergency luminaries.
7.2.3.4 Respectively make centralizing power supply for fire emergency
luminaries in no-load, full-load 10 %, full-load and overload 20 % state, and
check the working condition.
7.2.3.5 Check the rated voltage and segment protection condition of the battery,
and then respectively measure the voltage of each segment under fully charged
condition.
7.2.3.6 Respectively make the connecting line between charger and battery of
centralizing power supply for fire emergency luminaries open circuit and short
circuit, and check the fault condition.
7.2.3.7 Respectively make the connecting line of output branch lines of
centralizing power supply for fire emergency luminaries open circuit, and check
the fault condition.
7.2.3.8 Respectively make the connecting line between charger and battery of
centralizing power supply for fire emergency luminaries and the emergency
output circuit open circuit, and check the fault condition.
7.2.3.9 Check the protection condition of forced emergency start button, and
then start the forced emergency start button, make centralizing power supply
for fire emergency luminaries switch into the emergency state until discharge
off, check the overdischarge protection condition and the fault condition when
the battery voltage is less than the overdischarge protection voltage.
7.2.4 Basic function test procedure of central control panel for fire
emergency luminaire
7.2.4.1 Connect central control panel for fire emergency luminaire with such
accessories as fire emergency luminaire and switch board for fire emergency
lighting, power on, and make them in the normal working state.
7.2.4.2 Operate the control mechanism of central control panel for fire
emergency luminaire, respectively make the controlled luminaire in main power
supply state, emergency state, charging state and fault state, observe the
indication condition of central control panel for fire emergency luminaire,
meanwhile, check whether the central control panel for fire emergency
luminaire has the measures for preventing non-professionals operation.
7.2.4.3 Make the connecting line between central control panel for fire
7.2.4.8 Operate the central control panel for fire emergency luminaire,
respectively automatically and manually switch the controlled luminaire into the
emergency state, check the working condition of the controlled luminaire and
of main and standby power supply of t...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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