GB/T 47438.2-2026Special requirements for fire alarm and evacuation in hazardous chemicals workplaces - Part 2: Fire emergency lighting and evacuation indication systems (English PDF)

5.1 General Requirements

5.1.1 Fire emergency lighting fixtures (excluding fire safety sign lights), emergency lighting controllers, centralized emergency lighting power supplies, and emergency lighting power distribution. The enclosure should meet the requirements of the corresponding equipment in GB 17945.

5.1.2 System equipment shall meet the requirements of

5.2 To 5.10. Note

1.The system equipment includes fire emergency lighting fixtures, emergency lighting distribution boxes, emergency lighting centralized power supplies, emergency lighting controllers, and evacuation condition monitoring devices. Note

2.Fire emergency lighting fixtures include fire emergency sign lights (hereinafter referred to as "sign lights") and fire emergency lighting fixtures (hereinafter referred to as "lighting fixtures").

5.2.1 General Requirements

5.2.1.1 The system in indoor areas shall consist of centralized power supply and centralized control type fire emergency lighting fixtures, emergency lighting controllers, and centralized emergency lighting power supply. Source composition.

5.2.1.2 For outdoor areas, the system composition should be selected as follows:

a) Centralized power supply and centralized control type fire emergency lighting fixtures, emergency lighting controllers, and centralized power supplies for emergency lighting;

b) Centralized control type fire emergency lighting fixtures, emergency lighting controllers, and emergency lighting distribution boxes;

c) Centralized power supply and centralized control type fire emergency lighting fixtures, centralized control type fire emergency lighting fixtures, emergency lighting controllers, emergency lighting collection systems Medium power supply and emergency lighting distribution box.

Note. Evacuation condition monitoring devices may be added to the system in outdoor areas as needed.

5.2.2 System Power Supply

5.2.2.1 The main power supply of the system equipment shall be connected to the network of the appropriate voltage level within the system in accordance with the rated voltage level.

5.2.2.2 The system equipment should not use lithium-ion batteries.

5.2.3 System emergency start-up function After receiving the linkage control output signal from the fire alarm linkage controller, the system should control the system to proceed according to the preset logic within 2 seconds. Enter automatic emergency mode and issue audible and visual warnings.

5.2.4 Online component replacement function The system should have the function of online replacement of Type A fire emergency lights, evacuation condition monitoring devices, and batteries. Replacement should not affect non-escaping equipment. Normal operation of the replaced parts.

5.2.5 Wireless Communication Function

5.2.5.1 Emergency lighting controller and emergency lighting centralized power supply, emergency lighting distribution box, fire emergency lighting fixtures, and evacuation condition monitoring device Wireless communication should not be used between them.

5.2.5.2 Emergency lighting controllers shall communicate with each other wirelessly or via wired means. Wireless communication shall meet the following requirements.

a) Normal communication should occur under conditions that meet the network signal quality specifications stipulated by the producer;

b) No fault in the system should affect the normal operation of non-faulty parts;

c) Emergency lighting controllers using wireless communication should have a wireless communication fault indication function. When emergency lighting controllers communicate with each other... When communication is abnormal, the location of the communication error should be indicated.

5.3 Performance requirements for fire emergency lighting fixtures

5.3.1 Fire safety signage and lighting fixtures The markings on fire safety signs and lights shall meet the requirements of GB 13495.1.

5.3.2 Surface brightness of sign lights

5.3.2.1 When the light source of the signage lights in indoor areas is in energy-saving mode, the surface brightness of the signage lights shall meet the following requirements.

a) For signage fixtures using only green, yellow, or red graphics, the minimum luminance of the sign surface should not be less than 15 cd/m^2. The maximum brightness should not exceed 150 cd/m2;

b) The minimum brightness of the light fixture surface for signs using a combination of white and green or white and red graphics should not be less than [amount missing]. The maximum brightness should not exceed 150 cd/m2, and the maximum brightness should be 5 cd/m2.

5.3.3 Luminous flux of lighting fixtures

5.3.3.1 The luminous flux of lighting fixtures in indoor areas shall meet the following requirements.

a) When the light source of a continuous lighting fixture is turned on in an energy-saving mode, the luminous flux of the lighting fixture should not be lower than its nominal energy-saving luminous flux, and should not be less than... At 30lm;

b) After the light source of the lighting fixture is turned on in an emergency, the luminous flux of the lighting fixture shall not be lower than its nominal emergency luminous flux, and shall not be less than... 100lm.

5.3.3.2 The luminous flux of lighting fixtures in outdoor areas shall meet the following requirements.

a) When the light source of a continuous lighting fixture is turned on in an energy-saving mode, the luminous flux of the lighting fixture should not be lower than its nominal energy-saving luminous flux, and should not be less than... At 300lm;

b) After the light source of the lighting fixture is turned on in an emergency, the luminous flux of the lighting fixture shall not be lower than its nominal emergency luminous flux, and shall not be less than... 1000lm.

5.4 Functional Requirements of Emergency Lighting Controller

5.4.1 Contingency Plan Setting Function The emergency lighting controller can set multiple emergency evacuation plans and select the most suitable one based on the following factors.

a) Location of the fire;

b) Location of the nearest escape exit;

c) Environmental data information (where applicable).

5.4.2 Simulate activation of contingency plan function The emergency lighting controller can simulate any fire location and display the corresponding emergency evacuation plan.

5.4.3 Environmental data display function Emergency lighting controllers with environmental data display capabilities should dynamically display environmental data such as temperature, humidity, wind direction, wind speed, and air quality index. Data and environmental data should not affect the display of emergency evacuation information.

5.5 Functional Requirements of Centralized Power Supply for Emergency Lighting

5.5.1 When the battery temperature of the emergency lighting centralized power supply exceeds the set power-off protection temperature, the emergency lighting centralized power supply should automatically shut down the battery. The battery's charging circuit and discharging output circuit.

5.5.2 Under normal main power supply conditions, the emergency lighting centralized power supply, even after the battery discharge output circuit has been disconnected, should continue to maintain main power. Source output.

5.6 Functional and performance requirements of evacuation condition monitoring devices

5.6.1 Environmental monitoring function Evacuation condition monitoring devices should collect environmental data such as temperature, humidity, wind direction, wind speed, and air quality index.

5.6.2 Wind direction detection accuracy The wind direction measurement error of the evacuation condition monitoring device should not exceed 6°.

5.6.3 Communication Function

5.6.3.1 The evacuation condition monitoring device shall use an independent communication bus and shall not reuse the communication bus of the fire emergency lighting fixture.

5.6.3.2 The evacuation condition monitoring device shall send environmental data information to the emergency lighting controller, and the data refresh cycle shall not exceed 10 seconds.

5.7 Redundancy Function

5.7.1 General Requirements Emergency lighting controllers, centralized emergency lighting power supplies, and emergency lighting distribution boxes should employ redundant design. The emergency lighting controller implements main... The unit with control, communication, and power functions shall have at least one backup unit. The centralized power supply for emergency lighting shall realize the main control and communication functions. The unit that provides power should have at least one backup unit, and the unit that provides communication and power functions in the emergency lighting distribution box should have at least one backup unit. Unit. The appearance, circuit board, components, and program of the main unit and the backup unit should be consistent.

5.7.2 Unit Conversion Emergency lighting controllers, centralized emergency lighting power supplies, and emergency lighting distribution boxes should be able to switch between main and backup units automatically and manually. Unit. When the main unit malfunctions, it can automatically switch to a standby unit; when the main unit recovers, it can automatically or manually switch back. To the main unit. Unit switching should not affect the normal operation of the system. After unit switching, the system should establish status information within 20 seconds.

5.7.3 Status Indication Emergency lighting controllers, centralized emergency lighting power supplies, and emergency lighting distribution boxes should indicate the operating status and fault conditions of the main and backup units. Fault Status. When a fault occurs in the main unit or standby unit, the main fault indicator light (or device) should illuminate within 60 seconds to indicate the location of the fault and issue a fault warning. Noise suppression signal. When using indicator lights (devices) for status indication, under ambient light conditions not exceeding 500 lx, within a 22.5° viewing angle directly in front. Inside, status indicator lights (devices) should be clearly visible at a distance of 3 meters. Under conditions where the ambient sound pressure level (A-weighted) is no greater than 50 dB, the audio equipment should... The sound pressure level (A-weighted) at 1m directly in front of it should not be less than 65dB and should not be greater than 115dB.

5.7.4 Operating functions under fault conditions of display devices When the display devices of the emergency lighting controller, emergency lighting centralized power supply, and emergency lighting distribution box malfunction, the emergency lighting should not be affected. Emergency and control functions of controllers, centralized power supplies for emergency lighting, and emergency lighting distribution boxes.

5.8 Protective performance

5.8.1 Explosion-proof requirements System equipment installed and used in areas with the risk of flammable gas and dust explosions should be explosion-proof and meet the requirements of GB/T 3836.1. Type.

5.8.2 Enclosure Protection Rating

5.8.2.1 The enclosure protection rating (IP) of emergency lighting controllers, centralized emergency lighting power supplies, and emergency lighting distribution boxes used in indoor areas. The enclosure protection rating of fire emergency lighting fixtures used in indoor areas should not be lower than the IP33 requirement in GB/T 4208-2017. The IP code should not be lower than the requirements of IP30 in GB/T 4208-2017.

5.8.2.2 The enclosure protection rating (IP) of emergency lighting controllers, centralized emergency lighting power supplies, and emergency lighting distribution boxes used in outdoor areas. The enclosure protection rating of fire emergency lighting fixtures used in outdoor areas should not be lower than the IP54 requirement in GB/T 4208-2017. The IP code should not be lower than the requirements of IP67 in GB/T 4208-2017.

5.8.2.3 The enclosure protection rating (IP code) of evacuation condition monitoring devices and ground-mounted indicator lights shall not be lower than GB/T 4208- IP67 requirements in.2017.

5.9 Climate and Environmental Tolerance The fire emergency lighting fixtures and evacuation condition monitoring devices can withstand all tests under the climatic conditions specified in Table 1, and the emergency lighting control... The equipment, emergency lighting centralized power supply, and emergency lighting distribution box can withstand the alternating damp heat (operation) test under the climatic environmental conditions specified in Table 1 and Temperature change test, during and after the test, must meet the following requirements.

a) During the alternating damp heat (operation) test, the system should maintain normal operating conditions;

b) After the test, the emergency surface luminance of the signage lights should meet the requirements of 5.3.2; the emergency luminous flux of the lighting fixtures should meet the requirements of 5.3.3. Requirements. The emergency start function of the emergency lighting controller, emergency lighting centralized power supply, and emergency lighting distribution box should meet the following requirements. The requirements of GB 17945; the functions of the evacuation condition monitoring device shall meet the requirements of 5.6.3.2;

c) After the temperature change test, activate the system for emergency startup, ensuring continuous emergency operation with the minimum initial installation of self-powered luminaires and centralized emergency lighting power supply. Working hours should meet the requirements of GB 17945;

d) After alternating damp heat (operation) test, sulfur dioxide (SO2) corrosion (durability) test, salt spray test, and temperature change test, the system does not Damage to the coating and corrosion should occur.

5.10 Electromagnetic compatibility performance The system shall withstand all tests under the electromagnetic interference conditions specified in Table 2, and shall meet the following requirements during and after the tests.

a) The system should remain in normal working order during the test;

b) After the test, the emergency surface luminance of the signage lights should meet the requirements of 5.3.2; the emergency luminous flux of the lighting fixtures should meet the requirements of 5.3.3. Requirements. The emergency start function of the emergency lighting controller, emergency lighting centralized power supply, and emergency lighting distribution box should meet the following requirements. The requirements of GB 17945; the function of the evacuation condition monitoring device shall meet the requirements of 5.6.3.2.

6.1 General Requirements

6.1.1 Atmospheric conditions for the experiment Unless otherwise specified in the relevant provisions, all tests shall be conducted under the following atmospheric conditions.

---Temperature. 15°C~35°C;

---Relative humidity. 25%~75%;

---Atmospheric pressure. 86kPa~106kPa.

6.1.2 Tolerance Unless otherwise specified in the relevant provisions, the tolerance for all test data is ±5%, and the deviation of environmental condition parameters shall meet the requirements of GB/T 16838. Require.

6.1.3 Normal operating conditions of the sample The normal operating conditions of the sample should meet the requirements of GB 17945.

6.1.4 Sample

6.1.4.1 The system shall consist of fire emergency lighting fixtures, a centralized power supply for emergency lighting and/or an emergency lighting distribution box, and an emergency lighting controller, and may be expanded. Evacuation condition monitoring devices should be installed.

6.1.4.2 The number of test samples shall meet the following requirements and shall be numbered before the test.

a) The number of samples is 2;

b) The centralized power supply and distribution box for emergency lighting should be equipped with no fewer than 6 luminaires and equivalent loads according to their rated output power;

c) One communication loop of the emergency lighting controller should be connected to at least 10 luminaires;

d) The emergency lighting controller should be equipped with at least 6 evacuation condition monitoring devices (where applicable).

6.1.4.3 Before system commissioning, the fire emergency lighting fixtures, emergency lighting centralized power supply, emergency lighting distribution box, and evacuation condition monitoring device should be tested. Address settings and address comments should meet the following requirements.

a) Addressing the fire emergency lighting fixtures, centralized emergency lighting power supply, emergency lighting distribution box, and evacuation condition monitoring connected to the emergency lighting controller. Address coding is applied to each fire emergency light fixture, emergency lighting centralized power supply, emergency lighting distribution box, and evacuation condition monitoring device. The device should be assigned a unique identification address;

b) The emergency lighting controller should be compatible with the fire emergency lighting fixtures, centralized emergency lighting power supply, emergency lighting distribution box, and evacuation conditions. The monitoring device registers the address and enters the address annotation information.

6.1.5 Test Procedure The experimental procedure is shown in Table 3.

6.2 System Power Supply Test In accordance with the requirements of 5.2.2, the power supply of the sample shall be checked.

6.3 System Emergency Startup Function Test In accordance with the requirements of 5.2.3, the emergency start function of the sample shall be checked.

6.4 Component Online Replacement Function Test In accordance with the requirements of 5.2.4, the online component replacement function of the sample shall be checked.

6.5 Wireless Communication Function Test In accordance with the requirements of 5.2.5, the wireless communication function between emergency lighting controllers shall be checked.

6.6.1 Basic Functional Tests of Luminaires

6.6.1.1 In accordance with the requirements of 5.3.1, inspect the markings of fire safety signs and lights.

6.6.1.2 In accordance with the requirements of 5.3.2, check the surface brightness of the sign lights.

6.6.1.3 In accordance with the requirements of 5.3.3, check the luminous flux of the lighting fixtures.

6.6.2 Basic Functional Tests of Emergency Lighting Controllers

6.6.2.1 In accordance with the requirements of 5.4.1, check the emergency lighting controller's pre-set function.

6.6.2.2 In accordance with the requirements of 5.4.2, check the simulated start-up plan function of the emergency lighting controller.

6.6.2.3 In accordance with the requirements of 5.4.3, check the environmental data display function of the emergency lighting controller.

6.6.3 Basic Functional Test of Centralized Power Supply for Emergency Lighting In accordance with the requirements of 5.5, the function of the centralized power supply for emergency lighting shall be checked.

6.6.4 Basic Functional Test of Evacuation Condition Monitoring Device

6.6.4.1 In accordance with the requirements of 5.6.1, check the environmental monitoring function of the evacuation condition monitoring device.

6.6.4.2 In accordance with the requirements of 5.6.2, check the accuracy of wind direction detection of the evacuation condition monitoring device.

6.6.4.3 In accordance with the requirements of 5.6.3, check the communication function of the evacuation condition monitoring device.

6.7 Redundancy Function Test

6.7.1 In accordance with the requirements of 5.7.1, inspect the emergency lighting controller, the centralized emergency lighting power supply, and the main and backup units of the emergency lighting distribution box. The appearance of the component, the circuit board, the component settings, and the program version number.

6.7.2 Connect at least two fire emergency lights to one circuit of the emergency lighting controller, the centralized emergency lighting power supply, and the emergency lighting distribution box. For lighting fixtures, other circuits of multi-circuit samples can be connected to equivalent loads and power supplies to put the samples into normal working condition.

6.7.3 Following the requirements of 5.7.2, induce a malfunction in the main unit of the sample, check the switching status of the backup unit, restore the main unit to normal function, and check... Check the main unit conversion status and record the establishment time of the sample's state information.

6.7.4 In accordance with the requirements of 5.7.3, cause both the main unit and the backup unit of the sample to malfunction, and check the fault status indication of the sample. In addition, the fault time was recorded and the sound pressure level of the audio components was measured.

6.7.5 In accordance with the requirements of 5.7.4, cause the display device of the sample to malfunction and check the emergency and control functions of the sample.

6.8 Protective performance test

6.8.1 In accordance with the requirements of 5.8.1, the explosion-proof requirements of the test specimen shall be checked.

6.8.2 In accordance with the requirements of 5.8.2, the protection level of the sample enclosure shall be checked.

6.9.1 Test Procedure

6.9.1.1 Place the sample in the damp heat test chamber to bring the sample into normal working condition.

6.9.1.2 The test specimen shall be subjected to a high-temperature test at (40±2)°C for two cycles, in accordance with the test method specified in GB/T 16838. Variable humidity and heat (operation) test. During the test, observe and record the condition of the sample.

6.9.1.3 Remove the sample from the test chamber and inspect it according to the requirements of 5.9.

6.9.2 Test Equipment The testing equipment shall meet the requirements of the alternating damp heat (operation) test in GB/T 16838.

6.11.1 Test Procedure

6.11.1.1 Place the sample under normal atmospheric conditions for more than 1 hour, then place the sample in the test chamber. Do not energize the sample during the test.

6.11.1.2 The following tests shall be performed on the specimens in accordance with the test methods specified in GB/T 16838.

a) A salt spray with a temperature of 15°C~35°C and a salt solution mass fraction of (5±1)% was continuously sprayed for 2 hours;

b) After each spraying cycle, transfer the sample to a humidity chamber for storage, and adjust the working space temperature to (40±2)°C, relative humidity. The temperature was (93±3)%, and the storage time was 22 hours.

c) Repeat the combination of steps

b) above 3 times.

6.11.1.3 Rinse the sample with running tap water at a temperature not exceeding 35°C for 5 minutes, then rinse the sample with distilled water or deionized water. Shake the sample or use airflow to dry it and remove the water droplets.

6.11.1.4 Inspect the sample according to the requirements of 5.9.

6.11.2 Test Equipment The testing equipment shall meet the requirements of the salt spray test in GB/T 16838.

6.12.1 Test Procedure

6.12.1.1 Place the sample in the test chamber and ensure that the sample is not energized.

6.12.1.2 The following tests shall be performed on the specimens in accordance with the test methods specified in GB/T 2423.22.

a) Cool to (-40±2)°C at a cooling rate not exceeding 1°C/min for 2 hours;

b) Increase the temperature to (70±2)°C at a heating rate not exceeding 1°C/min, and maintain the temperature for 2 hours;

c) Repeat the combination of steps

6.12.1.3 Remove the sample from the test chamber and inspect it according to the requirements of 5.9.

6.12.2 Test Equipment The testing equipment shall meet the requirements of GB/T 2423.22.

6.13.1 Test Procedure

6.13.1.1 The test specimens shall be arranged in accordance with the provisions of GB/T 17626.3 to ensure that the specimens are in normal working condition.

6.13.1.2 The specimen shall be subjected to the interference test under the conditions shown in Table 2 in accordance with the test method specified in GB/T 17626.3.

7.1 Factory Inspection

7.1.1 Before products leave the factory, the manufacturer shall conduct sampling inspections of the following test items.

a) Component online replacement function test;

b) Basic functional tests (where applicable);

c) Redundancy function test (where applicable).

7.1.2 Producers shall specify sampling methods, inspection and judgment rules.

7.2 Type Testing

7.2.1 The type test items are the test items specified in Chapter

6.Test samples are drawn from products that have passed the factory inspection.

7.2.2 Type testing shall be conducted under any of the following circumstances.

a) Trial production and type approval of new products or old products transferred to other factories for production;

b) Changes in the product's design, structure, materials, components, parts, manufacturing processes, or production conditions may affect product quality. Measure time;

c) When the technical requirements specified in the product standard change;

d) When production resumes after a shutdown of one year or more;

e) When the product quality supervision department requests type testing.

7.2.3 The test results shall be judged in accordance with the type test result judgment method specified in GB 12978.

8.1 Product Marking

8.1.1 All system equipment shall be clearly labeled with the applicable location (indoor area/outdoor area) and explosion-proof mark (where applicable).

8.1.2 If uncommon symbols or abbreviations are used in the product marking information, they should be noted in the provided instruction manual.

8.2 Quality Inspection Marks All system equipment should have a quality inspection certificate.