GB 31252-2014Electrical receptacles and switches with fire monitoring and alarm function (English PDF)

4.3 Monitoring alarm

4.3.1 When the fire alarm monitoring socket and switch in the probe reaches the set parameters of the alarm condition, audible in the 30s, light alarm signal, Start control output, and held until manually reset.

4.3.2 fire alarm monitoring function should be consistent with Table 1.

4.3.3 has a residual current detection and/or temperature of the outlet and switch functions operate at less than specified in Table 1 alarm condition should not be made Out loud, light alarm signal.

4.3.4 arc fault detection function having an outlet and switch occurs in no more than nine and a half cycle of arc fault conditions of work within 1s When, not visual and audible alarm signal.

4.3.5 also has detected residual current, temperature and arc fault detection and alarm function socket and switch, should satisfy the corresponding Table

1 Alarm conditions require. Table 1 fire alarm monitoring function Detecting an alarm condition parameters category Residual current alarm set value ± 10%, and not more than 30mA Temperature of 70 °C ± 5 °C Half period of not less than 14 arc fault occurs within the arc fault 1s

4.4 Motor function

4.4.1 fire alarm monitoring function should have the outlet and switch off the protected line, disconnect the device has a capacity of contacts, and the number of parameters It shall be stated in the relevant technical documents.

4.4.2 socket with switch alarm, should start in the 30s disconnect device, the disconnect device operation time should be less than 25ms.

4.4.3 After starting the disconnect device, shall be protected to maintain the line returned to normal, and only manual recovery.

4.5 Impact-resistant insulating properties Fire alarm monitoring socket and switch should be able to withstand peak impulse voltage 6kV, the insulation resistance during the performance test impact, should start Dynamic disconnect device; After the test, monitoring, alarm function should meet the requirements of 4.3, motor function should meet the requirements of 4.4.

4.6 Electromagnetic compatibility Fire alarm monitoring socket and switch should be able to adapt to the requirements of each test in Table 2 under prescribed conditions.

a) During the test, no alarm signal should not start disconnecting device;

b) After the test, monitoring, alarm function should meet the requirements of 4.3, motor function should meet the requirements of 4.4. Table 2 EMC test conditions Electrostatic discharge Immunity Test Discharge voltage kV Discharge polarity Discharge interval The number of discharges per point working condition Air discharge (insulator shell)

5.1 General

5.1.1 Test atmospheric conditions If there is no description of the relevant provisions, the various tests were carried out under the following atmospheric conditions.

--- Temperature. 15 °C ~ 35 °C;

--- Humidity. 25% to 75% (relative humidity);

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

5.1.2 Tolerance In addition to the relevant provisions otherwise indicated, are the tolerance test data ± 5%; ambient condition parameters deviation should be consistent with GB 16838 Claim.

5.1.3 Sample The manufacturer shall provide three specimens. It should be numbered before the test.

5.1.4 check the appearance and components Before the test specimen shall be

4.2 requires the appearance and components inspection, the test can be carried out to meet the requirements.

5.1.5 Test Procedure Table

5 Test Procedure. Table 5 test procedure Clause No. pilot projects Sample No.

5.1.4 appearance and components Check sqrt sqrt sqrt

5.2 Monitoring alarm function test

5.2.1 requires manual installation has detected residual current function and switch socket, it is in normal working condition. Not to Greater than 10mA/s sample rate of increase of residual current protection circuit to 85% of the alarm set value, maintaining 10min; then continue to rise 110% alarm setpoints and alarm setpoints, each holding 1min; sample recording status and alarm time.

5.2.2 Instructions for installation required temperature with a probe socket and switch function, it is in normal working condition. Not more than 1 °C/s sample rate of increase of temperature protection circuit to 60 °C ± 3 °C, holding 10min; and then continue to rise to 70 °C ± 5 °C, holding 1min; sample recording status and alarm time.

5.2.3 according to the operating instructions having to install arc fault detection function socket and switch, it is in normal working condition. in 1s applied within not more than nine and a half arc fault cycles; 1min after 1s applied in less than 14 arc fault half cycles; record Sample status and alarm time.

5.3 Motor function test

5.3.1 according to the operating instructions to install the sample, it is in alarm state, to maintain 1min, recording samples disconnect device operation time.

5.3.2 the protected circuit to return to normal, check the state of the sample.

5.3.3 Manual sample recovery, check the state of the sample.

5.4 Impact-resistant insulation performance test

5.4.1 applied to the specimen peak impulse voltage 6kV, the specific requirements in the 10s applying random intervals of 10 or applying controlled 3 times the impulse voltage, which should be applied three times respectively controlled power supply voltage waveform over at zero, the peak of the positive and negative peaks. Trial period Rooms, observe and record the state of the sample.

5.4.2 monitoring alarm function test and motor function tests.

5.5.1 Test procedure

5.5.1.1 The sample was conducted in accordance with GB/T 17626.5 test configuration, the power, it is energized 20min.

5.5.1.2 Test methods according to GB/T 17626.5 specified electromagnetic interference on the sample table in Figure 3 is applied to the test conditions. Observed during the test And record the state of the sample.

5.5.1.3 Alarm function test monitoring and operation function test.

5.5.2 Test Equipment Test equipment shall comply with the provisions of GB/T 17626.5 of.

5.6.1 Test procedure

5.6.1.1 The sample was conducted in accordance with GB/T 17626.4 test configuration, the power, it is energized 20min. Electromagnetic interference test

5.6.1.2 Test methods according to GB/T 17626.4 specified conditions shown in Table 3 for a sample applied. Observed during the test And record the state of the sample.

5.6.1.3 required monitoring and alarm function test motor function tests.

5.6.2 Test Equipment Test equipment shall comply with the provisions of GB/T 17626.4 of.

5.7.1 Test procedure

5.7.1.1 The sample according to the provisions of GB/T 17626.2 of the test arrangement, the power, the sample is energized 20min.

5.7.1.2 Test methods according to GB/T 17626.2 specified in the sample table and the coupling plate electromagnetic interference test conditions shown in Figure 3 is applied. test Observe and record the state of the sample period.

5.7.1.3 Alarm function test monitoring and operation function test.

5.7.2 Test Equipment Test equipment shall comply with the provisions of GB/T 17626.2 of.

5.8 high temperature (operation) test

5.8.1 Test procedure

5.8.1.1 The sample under normal atmospheric conditions placed 2h ~ 4h.

5.8.1.2 power, the sample is energized.

5.8.1.3 regulate chamber temperature, keep 30min ± 5min at a temperature of 20 °C ± 2 °C, and then to not more than 1 °C/min of The rate was raised to 55 °C ± 3 °C, maintained 16h.

5.8.1.4 sample was taken out, placed 1h ~ 2h, the surface is coated inspection subject sample in the case under normal atmospheric conditions.

5.8.1.5 Alarm function test monitoring and operation function test.

5.8.2 Test Equipment Test equipment shall comply with the provisions of GB/T 17626.2 of.

5.9 cryogenic (run) test

5.9.1 Test procedure

5.9.1.1 The sample under normal atmospheric conditions placed 2h ~ 4h.

5.9.1.2 power, the sample is energized.

5.9.1.3 regulate chamber temperature, keep 30min ± 5min at a temperature of 20 °C ± 2 °C, and then to not more than 1 °C/min of The rate was lowered to 0 °C ± 3 °C, maintained 16h.

5.9.1.4 sample was taken out, placed 1h ~ 2h, the surface is coated inspection subject sample in the case under normal atmospheric conditions.

5.9.1.5 Alarm function test monitoring and operation function test.

5.9.2 Test Equipment Test equipment shall comply with the provisions of GB 16838.

5.10.1 Test Procedure

5.10.1.1 the specimen under normal atmospheric conditions placed 2h ~ 4h.

5.10.1.2 power, the sample is energized.

5.10.1.3 regulate chamber temperature, the temperature is 40 °C ± 2 °C, relative humidity of 90% to 95% (to adjust the temperature, when the temperature reaches a stable After humidification), continuously maintained 96h.

5.10.1.4 sample was taken out, placed 1h ~ 2h, the surface is coated inspection subject sample in the case under normal atmospheric conditions.

5.10.1.5 monitoring alarm function test and motor function tests.

5.10.2 Test Equipment Test equipment shall comply with the provisions of GB 16838.

5.11 vibration (sinusoidal) (run) test

5.11.1 Test Procedure

5.11.1.1 the specimen rigidly mounted in the normal installation, it is energized.

5.11.1.2 making the same direction as the force of gravity when used with (except for the influence of gravity can be ignored).

5.11.1.3 turn on three mutually perpendicular axes in the frequency range of 10Hz ~ 150Hz cycle to add 0.4905m/s2 of Velocity amplitude sweep rate 1oct/min, the sweep cycle was conducted once.

5.11.1.4 Check the appearance of the sample and the fastening portions.

5.11.1.5 monitoring alarm function test and motor function tests.

5.11.2 Test Equipment Test equipment (shaker and fixture) shall comply with the provisions of GB 16838.

5.12 vibration (sinusoidal) (endurance) test

5.12.1 Test Procedure

5.12.1.1 the specimen is rigidly mounted in the normal installation (except for the influence of gravity can be ignored), the sample is not energized.

5.12.1.2 turn on three mutually perpendicular axes in the frequency range of 10Hz ~ 150Hz cycle to add 0.9810m/s2 of Velocity amplitude sweep rate 1oct/min, and 20 times each sweep cycle.

5.12.1.3 Check the appearance of the sample and the fastening portions.

5.12.1.4 monitoring alarm function test and motor function tests.

5.12.2 Test Equipment Test equipment (shaker and fixture) shall comply with the provisions of GB 16838.

6.2 Type inspection

6.2.1 Type inspection items to all tests specified in Chapter 5. Test samples taken at the factory inspection products.

6.2.2 When one of the following conditions, type of inspection should be carried out.

a) new product trial when stereotypes;

b) when old products to the plant;

c) after the official production, product structure, the main components, production processes, which are major changes that may affect product performance;

d) Product Discontinuance more than one year, the production recovery;

e) factory test results and the last type test results differs considerably;

f) quality supervision departments shall request.

6.2.3 Test results by the type test results GB 12978 predetermined determination method determination.

7.1 Product Marking Shall be clearly marked firmly

7.1.1 The following information on the product.

a) Product name, model;

b) monitoring alarm function category;

c) The main technical parameters;