Xi'an Rongtai Optoelectronic Technology Manufacturing Co., Ltd KLX6LM (A) intrinsically safe information mining lamp
4.1.1.2 Manufacture
Mineral lamps shall comply with the requirements of this standard, and in accordance with the approval of the prescribed procedures for the manufacture of drawings and technical documents.
4.1.1.3 Safety
The safety performance of mining lamps should be in line with GB3836.1-2010, GB3836.4-2010, MT1162.1-2011 and MT1162.4-2011 and MT/T 1103-2009; lithium-ion batteries should be in line with the safety performance of the provisions of MT/T1051-2007. 2007 regulations.4.2 Environmental conditions
4.2.1 Intrinsically safe information mining lamps should be able to work normally under the following conditions:a) Ambient temperature: 0 ℃ ~ +40 ℃;
b) Mean relative humidity: not more than 95% (+25 ℃);
c) Atmospheric pressure: 80kPa ~ 106kPa;
d ) Ambient noise: ≤75dB
e) Mechanical environment: occasions without significant vibration and shock
f) Occasions with explosive mixtures, but no corrosive gases that destroy insulation.
4.2.2 Intrinsically safe information mining lamps can withstand the worst storage and transportation conditionsa) High temperature: +60 ℃;
b) Low temperature: -40 ℃;
c) Mean relative humidity: ≤ 95%;
d) Vibration: 50 m/s2;
e) Shock: 500 m/s2
4.3 Main functions
4.3.1 The miner's lamp has the function of ordinary miner's lamp lighting; 4.3.2 ? The test method identification card shall have the function of sending wireless coded signal; 4.3.3 ? Marking card and reader should have two-way communication function; 4.3.4 ? Marking card should have alarm information indication function; 4.3.5 ? Identification card should have emergency call button; 4.3.6 ? Marking card should have a low voltage alarm function; ?4.4 Main technical indicators
4.4.1 ? Rated working voltage: DC 3.7V;
4.4.2 ? Operating voltage range: (3.4~4.2)V.DC 4.4.3 ? Buzzer sound level intensity: ≥70dB(A) ? (within 0.5m) 4.4.4 ? Wireless Parameters 4.4.4.1 ZigBeea) Operating frequency: 2.3GHz~2.5GHz;
b) Transmit power: ≤18dBm;
c) Receive sensitivity: -75dBm;
d) Maximum transmission distance: 400m (no obstruction, no same frequency interference).
4.4.4.2 UWB
a) Operating frequency: 3774MHz～4243.2MHz;
b) Transmit power: ≤30dBm;
c) Receive sensitivity: -75dBm;
d) Recognition distance: not less than 400m (no blocking and no near-frequency interference) from the card reader?
4.4.4.3 Identification card performance indicators
Maximum working current of the whole machine: ≤ 280mA, maximum working current of the identification card: ≤ 150mA;
4.4.5 Low-voltage alarm value of the identification card: 3.5V4.5 Continuous working time:
Battery should be able to ensure that the miner's lamp works continuously for 11 hours after each charge. Marker card continuous working time should be not less than 199 hours.
4.6 Power supply fluctuation adaptability test
Information mining lamp power supply voltage fluctuation range: supply voltage fluctuations in the range of 3.4V ~ 4.2V, the intrinsically safe information mining lamps should be able to work normally, and its main functions and the main technical indicators should be consistent with the provisions of Article 4.3, 4.4.
4.7 Structure
The outer shell is made of ABS engineering plastic. Fastening bolts should be equipped with spring washers to prevent automatic loosening of fasteners; metal parts should be treated with antirust and anticorrosion treatment.
4.8 Appearance
The surface of the intrinsically safe information mining lamp has no obvious dents, scratches, cracks, deformation and other phenomena, and the surface coating has no blistering, peeling and cracking. Metal parts should not have rust and other mechanical damage; parts should be fastened without loosening, and there should be no rust and other mechanical damage.
4.9 Enclosure protection performance
It should comply with the provisions of GB/4208-2017 Enclosure protection level (IP code) to IP55.
4.10 Electrical safety
4.10.1 Insulation resistance
The insulation resistance between intrinsically safe circuits and the enclosure is not less than 10MΩ, and the insulation resistance is not less than 1.0MΩ after wet heat test.
4.10.2 Industrial frequency withstand voltage
The internal intrinsically safe circuit end to the shell should be able to withstand AC 50Hz, voltage 500V for 1min of industrial frequency withstand voltage test without breakdown and flicker phenomenon, and the leakage current is not more than 5mA.
4.11 Maximum surface temperature
Intrinsically safe information mining lamps in normal operation and fault state, the maximum surface temperature of the light should be less than 1mA, the maximum surface temperature of the light should be less than 5mA, the maximum surface temperature of the light should be less than 2mA, and the maximum surface temperature should be more than 5mA. The maximum surface temperature of the intrinsically safe information mine lights shall not exceed 150℃ under normal operation and fault condition.
4.12 Environmental adaptability
4.12.1 Low-temperature work
In the working state, the intrinsically safe information lamp shall be able to pass the low-temperature work test with a temperature of -5℃ and a duration of 2h, and its main technical indexes and appearance quality shall be in accordance with the stipulations of clauses 4.3, 4.4 and 4.7.
4.12.2 High-temperature work
Intrinsically safe information mine lights in the working state, should be able to pass the temperature of +40 ℃, 2h high-temperature work test, its main technical indicators and appearance quality should be consistent with the provisions of Article 4.3, 4.4, 4.7.
4.12.3 Low-temperature storage
Intrinsically safe information mine lights in the non-operating state, should be able to pass the temperature of -40 ℃, over a period of 16h of low-temperature storage test, the recovery of its main technical indicators and the appearance of quality should be in line with the provisions of Article 4.3, 4.4, 4.7.
4.12.4 High-temperature storage
Intrinsically safe information lamps in the non-operating state, should be able to pass the temperature of +60 ℃, 16h of high temperature storage test, after recovery, its main technical indicators and appearance quality should be consistent with the provisions of Article 4.3, 4.4, 4.7.
4.12.5 Alternating humidity and heat
Intrinsically safe information lamps should be able to pass the temperature of 40 ℃, 93% RH cycle of 12d alternating humidity and heat test, and the main technical indicators, appearance quality and electrical safety should be able to comply with the provisions of Article 4.3, 4.4, 4.7.
4.12.6 Vibration
Intrinsically safe information lamps should be able to pass the frequency (10 ~ 150) Hz, acceleration of 50m / s2, without power in the state *** three axial each axial not less than five times after the vibration test test method, the main technical indicators and the appearance of quality should be in line with the provisions of Article 4.3, 4.4, 4.7.
4.12.7 Impact
Intrinsically safe information lamps should be able to pass the peak acceleration of 500 m/s2, pulse duration of 11ms, without power in the state of mutually perpendicular to the axis of each direction of the three times (***18 times) of the test method of impact test, its main technical indicators and appearance quality should be in line with the provisions of Article 4.3, 4.4, 4.7. The main technical indexes and appearance quality shall meet the provisions of Article 4.3, 4.4 and 4.7.
4.12.8 Transportation
Packaged intrinsically safe information mining lamps should be able to withstand the transportation test. No damage or deformation of the box after the test, and the electrical performance and appearance of the intrinsically safe information mine lights inside the box shall be in accordance with the provisions of clauses 4.3, 4.4 and 4.7.
4.12.9 Drop
The appearance and structure of the mine light shall meet the corresponding requirements after the free fall test under non-operating condition, and the electrical performance and appearance shall be in accordance with the provisions of Articles 4.3 and 4.6.
4.13 Explosion-proof performance
4.13.1 The explosion-proof requirements of intrinsically safe information mining lamps must comply with the provisions of GB3836.1-2010 and GB3836.4-2010, and should be qualified by the state-appointed inspection unit, and obtain the "explosion-proof inspection certificate".
4.13.2 Intrinsically safe parameters: the use of PL6Ah/3.7V and YLPM225069-6AH lithium manganate lithium-ion batteries, epoxy resin potting in the battery slot, the composition of the intrinsically safe battery components, Uo: 4.2V, Io: 7.0A.
4.13.3 Shell is made of plastic, the surface of the insulation resistance of the shell is ≤ 1GΩ.
5 Tests: The test shall be conducted by a designated inspection unit, which shall obtain the "explosion-proof inspection certificate".
5 Test Methods
5.1 Environmental Conditions Except for the environmental test or otherwise specified in the relevant standards, the test shall be conducted in the following conditions.a) Temperature: 15℃～35℃
b) Relative humidity: 45%～75%
c) Atmospheric pressure: 86Kpa～106Kpa
5.2 Power supply conditions and main instrumentation 5.2.1 The power supply for the test shall comply with the following requirements:1) Voltage: Error shall be not more than 2%;
2) Periodicity and randomization: Error shall be not more than 2%;
3) Voltage: Error shall be not more than 2%;
5.2.2 Power supply for the test shall meet the following requirements p> 2) Periodic and random offset: (ΔU1/U2) shall be no more than 0.1%.
5.2.2 Test of the main instruments and equipment
5.2.2.1 General requirements for test instruments and equipment:
1) The accuracy and measurement range of the test instruments and equipment should be to ensure that the requirements of the measured performance, and its own accuracy should be no greater (better) than the parameter to be measured than the permissible error of 1/3 times.
2) The performance of the test instruments and equipment should be consistent with the characteristics of the performance tested.
3) Test instruments and equipment should be measured in accordance with the relevant provisions of the Measurement Law (calibration), and qualified.
4) The configuration of test instruments and equipment should not affect the measurement results.
5.2.2.2 Test main instruments and equipment:Test instruments: stopwatch, DC voltmeter, DC ammeter, illuminance meter, thermometer, spectrum meter.
The accuracy of the test instruments and equipment should ensure that the measured performance of the accuracy requirements, its own accuracy should not be greater than the measured parameters 1/3 times the allowable error. The performance of test instruments and equipment should be consistent with the characteristics of the measured performance. Test instruments and equipment should be measured in accordance with the relevant provisions of the Measurement Law for verification, and calibration qualified. The configuration of test instruments and equipment should not affect the measurement results.
5.3 Electrical Performance Test
5.3.1 Main Parameter Test 5.3.1.1? Operating Current TestThe test is conducted by using a DC regulated power supply instead of the miner's battery to supply power to the miner's lamp. Measure the transmitting current and transmitting time, receiving current and receiving time, and standby current and standby time of the identification card and communication board.
5.3.1.2 Test of transmitting frequency, transmitting field strength and wireless communication distance
Supply power to the miner's lamp with a DC stabilized power supply instead of the miner's lamp battery to conduct the test. Read out the transmitting frequency and transmitting field strength of the antenna of the miner's lamp with a spectrometer at the position close to the antenna.Mineral lamp from the identification area outside the approach to the personnel positioning detection substation, until the correct identification stop, measure the distance of the lamp from the detection substation, that is, the identification of the card's wireless communication distance.
Mineral lamp from outside the identification area close to the personnel communication base station, until it can stop when the normal intercom, measure the distance of the mineral lamp from the communication base station, that is, the wireless communication distance of the intercom function.
5.3.2 Main function test
Testing the recognition of intrinsically safe information mine lamps and various communication transmission functions of the card reading substation.
5.3.2.1 Identification card coding transmission function test
Identification card can send wireless coding signals for the positioning detection substation test system to receive.
5.3.2.2 Identification card receiving function test
The identification card can receive wireless signals sent by the positioning detection substation test system, through the main light source flashes while the buzzer vibrates as a prompt signal.
5.3.2.3 Alarm Function Test of Identification Card
Pressing the alarm button on the top cover of the lamp, the lamp uploads the information to the ground through the card-reading sub-station, and the ground host displays the alarm information.
5.3.2.4 Low Voltage Alarm Function Test
When the voltage of the lamp is as low as 3.5 V, the lamp uploads the information to the ground through the card-reading substation, and the ground host displays the low voltage alarm message.5.3.2.5 Personnel positioning function
? After the lamp enters into the detection substation identification range, the position of the lamp is displayed in the substation range pre-stored in the host computer.
5.3.2.6 Intercom Function When the lamp enters the range of the base station, the lamp is automatically connected to the card-reading substation through WIFI, and the group intercom and dispatch direct intercom functions can be tested by pressing the intercom button.5.4 Continuous working time
The fully-charged miner's lamp works continuously for 11h, and then turn off the light source of the miner's lamp, so that the identification card works continuously for 199h, record the battery terminal voltage of the miner's lamp in 199h, and test according to the method of 5.3.
5.5 Power supply fluctuation adaptability test
Conduct the test according to the provisions of Chapter 10 of MT 210.5.6 Structure check
Perform as specified in chapter 5 of MT 210.5.7 Exterior inspection
Perform as specified in MT 210, Chapter 5.5.8 Insulation resistance measurement
Perform as specified in clause 6.6 of MT/T 1103.5.9 Industrial frequency withstand voltage test
Conducted as specified in clause 6.7 of MT/T 1103.5.10 Low temperature working test
Conducted in accordance with clause 6.9 of MT/T 1103.5.11 High temperature working test
Conducted in accordance with clause 6.10 of MT/T 1103.5.12 Low temperature storage test
Conducted according to the provisions of clause 6.11 of MT/T 1103.5.13 High temperature storage test
Conducted in accordance with the provisions of clause 6.12 of MT/T 1103.5.14 Vibration test
Conducted according to the provisions of clause 6.14 of MT/T 1103.5.15 Impact test
Perform as specified in clause 6.15 of MT/T 1103.5.16 Damp heat test
Perform as specified in clause 6.13 of MT/T 1103.5.17 Transportation test
To be carried out according to the provisions of clause 6.16 of MT/T 1103.
5.18 Drop test
According to clause 6.17 of MT/T 1103.
5.19 Explosion-proof performance test
Conducted in accordance with the relevant provisions of GB3836.1-2010, GB3836.4-2010, MT1162.1-2011, MT1162.4-2011 and MT/T1051-2007. Intrinsic safety parameters and battery casting test should be tested in the production process, the measurement of qualified multimeter to test the intrinsic safety parameters, the measured intrinsic safety parameters should not exceed the prescribed value of this standard. Visual inspection of the casting process for testing.