GB 28184-2011Power supply monitoring system for fire protection equipments (English PDF)

4.2.1 Fire Equipment Power Status Monitor

4.2.1.1 fire fighting equipment power status monitor (hereinafter referred to as the monitor) should be able to supply components for its connection DC operating voltage should be consistent GB/T 156 provides priority DC 24V.

4.2.1.2 Monitor should have Chinese features marked with Chinese characters should be used to display information.

4.2.1.3 Monitor the power should be set the main power and backup power. Main power should be 220V, 50Hz AC power and set the overcurrent protection Measures the power input terminals should be located. When the AC mains supply voltage fluctuation range of the rated voltage of 220V at 85% to 110% range When the inner circle, the frequency deviation of less than standard frequency of 50Hz ± 1%, the monitor should be able to work properly. Power supply section

4.2.1.4 Monitor should have the main power supply and backup power conversion function, and should be the main and backup power supply status indicator. when When the main power fails, can automatically switch to the backup power supply; when the mains power returns, can be automatically converted to the main power supply; main and backup power conversion should Movies Sound working properly monitor. Monitor backup power charged in discharge to the termination voltage condition obtained 24h capacity should be able to provide Monitor in the normal monitoring state for at least 8h.

Note. The normal monitoring state ie monitor under normal power supply conditions, no failure alarm, working state when the self-test operation.

4.2.1.5 monitor should be able to receive and display real-time job status information to monitor the main power supply for all its fire-fighting equipment and standby power.

4.2.1.6 Monitor under the following conditions shall be issued within 100s failure sound and light signals, display and record the fault location, type and time.

a) fire fighting equipment being monitored power interruption;

b) the grounding between the monitor and the outer connecting cable open circuit, short circuit and system functionality;

c) Monitor and its split between the ground power cable open circuit, short circuit and affect the function;

d) monitor the supply voltage is greater than 110% of the rated voltage or less than 85% of rated voltage (applies only to monitor with this feature Controller);

e) be monitored power supply phase is missing, wrong phase and overload power anomalies (This feature is only applicable to a monitor);

f) to monitor its own charger for charging between standby power and standby power cable open circuit, short circuit;

g) main power undervoltage monitor itself.

4.2.2 Voltage signal of the sensor

4.2.2.1 voltage signal of the sensor should follow the manufacturer's requirements transmitted signal will be collected to monitor.

4.2.2.2 Signal voltage operating range of the sensor should meet the manufacturer's specifications, the output signal should not exceed 12V.

4.2.2.3 For continuous acquisition can signal voltage sensor voltage value, the voltage acquisition error should not be greater than 5%.

4.2.3 Current sensor signal

4.2.3.1 Current sensor signal should follow the manufacturer's requirements transmitted signal will be collected to monitor.

4.2.3.2 Current sensor operating signal range should meet the manufacturer's specifications, the output signal should not exceed 12V.

4.2.3.3 For continuously collect current value of the sensor signal, which collect current error should not exceed 5%.

4.2.4 voltage/current signal sensor Voltage/current signal sensor should also comply with the provisions of

4.2.2 and 4.2.3.

4.3 The main portion (device) member performance

4.3.1 Basic requirements Protective performance of each device within the fire-fighting equipment power monitoring system shall comply with the requirements of GB 23757, and its main components should be used in line with Off standard stereotypes products, and should comply with the corresponding provisions of 4.3.2 - 4.3.9.

4.3.2 LEDs and a display device

4.3.2.1 Indicator should be color-coded, yellow indicates a fault condition; the main power supply and standby power supply is working properly with green indicator. The use of Chinese should be clearly marked on the function indicator

4.3.2.2 or near the location.

4.3.2.3 In 100lx ~ 500lx ambient light conditions in front of 22.5 ° angle range, status and power LEDs should 3m in place clearly visible; the other indicators (unit) should be clearly visible at 0.8m.

4.3.2.4 using flash mode indicator lights up each time should not be less than 0.25s, fault indicator flashing frequency should not be less than 1Hz. When

4.3.2.5 show different parts of the state with a particular indicator (device), you should be able to clearly distinguish.

4.3.2.6 In 100lx ~ 500lx ambient light conditions, letter (character) - character digital display should be 22.5 ° viewing angle in front of Inside, 0.8m at readable.

4.3.3 Audio Device

4.3.3.1 Under normal operating conditions, sound device SPL (A weighted) at 1m directly in front of it should be greater than 65dB, less than 115dB.

4.3.3.2 at 85% of rated voltage power supply conditions should be audible.

4.3.4 Terminals On each of the terminals should be clear, firmly marked number or symbol corresponding use shall be stated in the relevant documents.

4.3.5 Switches and buttons Its functions should be clearly marked on the switches and buttons on or near the location.

4.3.6 Fuse Rated current power line fuses or other overcurrent protection devices shall not be greater than 2 times the product of the maximum operating current, when most Large operating current is greater than 6A, fuse current value can be

1.5 times, and should clearly near the fuses or other overcurrent protection devices at Marked its parameter values.

4.3.7 charger and backup power

4.3.7.1 Connect the positive power lead to red, black or blue is extremely negative.

4.3.7.2 Battery charge current should not exceed the manufacturer's specified rating.

4.3.8 Ground Fire fighting equipment power monitoring system should be clearly marked and the ground terminal.

4.3.9 Appearance

4.3.9.1 text, symbols and signs clear and complete.

4.3.9.2 The surface should be free from corrosion, coating loss and blistering, cracks should be no scratches, burrs and other mechanical damage.

4.4 Insulation resistance Fire fighting equipment power monitoring system insulation resistance value of the external charging terminals and the chassis between the insulation requirements should be not less than 20MOmega; adopt 220V AC power supply of fire-fighting equipment insulation resistance of the power supply monitoring system between input and chassis shall be not less than 50MOmega.

4.5 Electric strength Room with 220V AC power supply of fire fighting equipment power monitoring system and plug housing should be able to withstand a frequency of 50Hz, RMS voltage is 1250V AC voltage, which lasted 1min the electric strength test. During the test, the breakdown should not occur; After the test, The basic functions should be consistent with the previous test.

4.6 Electromagnetic compatibility Power monitoring systems and fire-fighting equipment of each device within the system should be able to adapt to the testing requirements of the table under a predetermined condition. Trial period Room should remain normal monitoring state; After the test, the basic functions should be consistent with the previous test.

4.7 Supply Transients Tolerance Main power supply fire fighting equipment monitoring system by "power (9s) ~ power (1s)" fixed program continuously off 500 times. Trial period Room should remain normal monitoring state; After the test, the basic functions should be consistent with the previous test. Table 1 EMC test conditions Name of test Test conditions Anti-static discharge Interference Test Discharge voltage/kV discharge polarity INTERSPIKE Septum/s Each point of discharge Power Ups Working condition Air discharge (housing insulator).

8 Contact discharge (shell conductor).

5.1 General Table

4 Test procedure 5.1.1.

5.1.2 before the test, the manufacturer shall provide two test samples (hereinafter referred to as the sample) and related accessories, load, etc., and prior to the test to be Numbering.

5.1.3 The test shall be carried out under the following atmospheric conditions.

--- Temperature. 15 °C ~ 35 °C;

--- Humidity. 25% RH ~ 75% RH;

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

5.1.4 tolerance test data is ± 5%. Environmental conditions parameter deviation should be consistent with GB 16838 requirements.

5.1.5 before the test, the sample should be visually examined to check the main components and protective performance checks, the test can be carried out to meet the requirements.

5.2 Basic Monitor function test

5.2.1 The sample connect more than two real sensors can be connected to other circuits equivalent load, the power, the sample in the normal Monitoring status.

5.2.2 Turn on the main power source of the sample, observe and record the working status of the sample.

5.2.3 disconnect the main power source of the sample, as required observe and record the working status of the sample in the standby state of the power supply.

5.2.4 observe the specimen displays real-time job status information to monitor the power supply, the recording of work status of the sample.

5.2.5 simulating various fault conditions, observe and record the working status of the sample.

5.2.6 Operation sample self-test mechanism, observe and record the working status of the sample.

5.2.7 simulate a variety of co-existing work status information, observe and record the working status of the sample.

5.3 Basic function test voltage sensor

5.3.1 The sample with the monitor connected to power, the sample in the normal monitoring state. Standard operating range of fluctuation voltage signal provided by the manufacturer 5.3.2, observe and capture the output parameter values and sample records.

5.3.3 Checking additional features described in the specification.

5.4 Current sensor basic function test

5.4.1 The sample with the monitor connected to power, the sample in the normal monitoring state. Standard operating range of fluctuation voltage signal provided by the manufacturer 5.4.2, observe and capture the output parameter values and sample records.

5.4.3 Checking additional features described in the specification.

5.5 Voltage/current sensor Basic function test

5.5.1 The sample with the monitor connected to power, the sample in the normal monitoring state. Fluctuations in operating range standard voltage supplied by the manufacturer 5.5.2/current signal, and output parameters and observed values of the sample collection record.

5.5.3 Checking additional features described in the specification.

5.6.1 Test procedure

5.6.1.1 After the sample have external charging terminals shorted insulation requirements, connected to the positive output terminal of the insulation resistance test device, then cabinet To the negative output terminal of the insulation resistance test device. 5.6.1.2 500V ± 50V DC voltage is applied, continued 60s ± 5s after recording insulation resistance value.

5.6.1.3 A sample power plug (or power terminals) after a short, connected to the positive output terminal of the insulation resistance test device, then cabinet To the negative output terminal of the insulation resistance test device. 5.6.1.4 500V ± 50V DC voltage is applied, continued 60s ± 5s after recording insulation resistance value.

5.6.2 Test Equipment With insulation resistance test device satisfy the following technical requirements (also available or megger shake table test).

a) Test voltage. 500V ± 50V;

b) measuring range. 0MOmega ~ 500MOmega;

c) minimum scale. 0.1MOmega;

d) the chronograph. 60s ± 5s.

5.7.1 Test procedure

5.7.1.1 before the test, ground protection element of the sample removed.

5.7.1.2 By means test to 100V/s ~ 500V/s boost rate of the sample between the power line and chassis applied to 50Hz, 1250V (rms voltage) test voltage, duration 60s ± 5s, observe and record the phenomena that occur in the test.

5.7.1.3 to 100V/s ~ 500V/s down rate of the voltage drops below the rated voltage value, the output voltage of the test apparatus off.

5.7.1.4 Sample power is turned on, it is in the normal monitoring state.

5.7.1.5 basic function test, and compared with the basic functions before the test.

5.7.2 Test Equipment Using the test device satisfies the following condition.

a) Test voltage. voltage 0V ~ 1250V (RMS) continuously adjustable, frequency 50Hz;

b) liters, down rate. 100V/s ~ 500V/s;

c) Timing. 60s ± 5s, the breakdown current. 20mA.

5.8.1 Test procedure

5.8.1.1 according to the provisions of GB/T 17626.3 of the test arrangement, the power is turned on the sample, it is in the normal monitoring state, holding 20min. Electromagnetic interference test

5.8.1.2 Test methods according to GB/T 17626.3 specified conditions shown in Table 1 for the sample is applied to observe and record the test Kind of working condition.

5.8.1.3 basic function test, and compared with the basic functions before the test.

5.18 Vibration (sinusoidal) (run) test sqrt 18

5.19 vibration (sinusoidal) (endurance) test sqrt Crash Test sqrt 19 5.20