This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of KJ type miner's lamps. This standard applies to KJ type miner's lamps (hereinafter referred to as miner's lamps). MT 242-2004 KJ type miner's lamp MT242-2004 Standard download decompression password: www.bzxz.net

ICS 73. 150. 20
Registration No.: 15479-2005
People's Republic of China Coal Industry Standard
MT 242-2004
Generation MT242-1598
Model KJ rap amp
2004-12-14
National Development and Reform Commission
2005-06-01Implementation
Nominal References
Product Classification
This standard involves
Testing rules
Marking, packaging, recycling and storage
MT242-2004
R 242--2004
Section 4 of this standard Chapter 7.1 is mandatory, and the rest are recommended. This standard is a replacement for MT212-=HKJ type 3 lamps and MT242933: type 3 lamps. Compared with MT242:998, the main changes of this standard are as follows: the requirements and test methods for light emission have been added (see 4.4 and 5.16); the requirements and test methods for short-circuit protection equipment have been added (see 4.1 and 5.17); the test method for the leakage of sealed batteries has been added (see 5.7.2); the requirements and test methods for overcharge of sealed batteries have been added (see 4.14); the requirements and test methods for overdischarge of sealed batteries have been added (see 4.11); the requirements for storage period of sealed batteries have been added (see 4.20.2); the basic parameters of the product have been modified (Table 1 of the 1998 edition; Table 1 of this edition); the requirements and test methods for electric shock resistance have been modified (see 4.9 and 5.6 of the 1998 edition; Table 1 of this edition). 11 New 5.) Modify the requirements and test methods for the intensity of mining lamps (1998 edition 1:2 5.124 edition 4.15 and 5.111 Modify the requirements and test methods for cable fixing devices (159 edition 4.13 and 5.13: 17 and 3.1 = of this report). Modify the requirements and test methods for the life of transformer substations (1998 edition 4.14 and 5.1: remove 4. 19 and 5.1&?: The inspection rules appendix (Table 2 and Table 3 of this edition) have been modified. This standard is proposed by the Science and Technology Development Department of the China Coal Industry Association. This standard is enclosed by the Technical Committee for Standardization of Special Equipment for Coal Mines of the Second Coal Industry. The drafting units of this standard are: Second Branch of the General Research Institute of Refining and Transportation, General Institute of Mining Light Manufacturing, Jining Tianlu Coal Mine Special Equipment Co., Ltd.
The main drafters of this standard are: Qi Binghe, Nei Jianzhong, Jian Caiyun, Gu Yuanting, Li Fangou, Zu Jin, Wang Yao. This standard was first issued on September 20, 1993, and was issued on July 1, 1998 Second revision: 1 Scope
KJ Mining Lamp
MT:242—2004
This standard specifies the product classification, test requirements, inspection rules, marking, packaging and storage of K-type mining lamps. This standard is applicable to K" mining lamps (hereinafter referred to as mining lamps). 2 Normative References
The clauses in the following documents are not the references of this standard, and all amendments (excluding the internal amendments) after the date of the document are not applicable to this standard. However, the previous references shall apply to the following documents: According to this standard, the parties reached a consensus on the new version of the product price report. The new version of the applicable year is not longer than the period of use of the document, and the new version is applicable to the environment, GH191
packaging storage and transportation national indication mark
GB/T2306 to oxidation precipitation
G3/【2823-200 quality inspection counting suppression sample procedures and tables (live, for qualitative inspection) B757-2035 lamp safety parts general requirements (mgF011:1)GR99 yuan 9.1 industrial product use limit book general rules MT/T154. 6 Mine safety lamp model compilation method MT3SE mine thermal circuit protection table
M protection pool
3 Product classification
3.1 Product type
This type of lamp is empty, consisting of a lamp holder, cable and a voltage supply. There is at least one light source inside the lamp holder, and the lamp can be installed in the mine safety meeting.
3.2 Product model compilation
The product model is miniaturized according to the regulations of M1 door. Example:
Hello
Natural filament
Pulse sound battery
4 Requirements
4. 1 Basic parameters of the product
4. 1 The basic parameters of the product should comply with the regulations of the J medicine. MT 242—24
company: for the number of Zhonglian single-piece cells,
Table 1 Basic parameters of the product
Lamp (in this case)
=2: /=3
al nor
Landscape illumination (distance 1m)
Lighting on
10001:00
Lighting on for 11 h
n-2: 2
1 uu ?uc
For products with rated current less than 74A, except the rated current of the bulb, other parameters shall comply with the provisions of Table 1 for products with a maximum capacity of 7A. 1. For products with light source, except the rated current and luminous flux of the light source, the parameters of the cells shall comply with the provisions of Table 1: 4. 1.3
The lamp shall comply with the requirements of this standard and shall be manufactured in accordance with the approved technical documents. 4.3
Safety performance
The safety performance of the lamp shall comply with the provisions of 797-2003. 4.4 Light color
There shall be at least two light sources in the lamp holder, and the light flux of the light source shall comply with the provisions of Table 1. The rated power of the auxiliary light source shall not be less than 1. When LEL light source is used as the auxiliary light source, the rated power shall not be less than 0.4 W. 4.5 Appearance and assembly quality
The appearance shall be flat, clean, and free of defects. All parts shall be fully positioned and installed, semi-solid and reliable, and there shall be no looseness. The rotating parts shall be flexible, well connected, and free of shaft vibration.
4.6 Automatic power-off device
The lamp with automatic power-off device shall be able to withstand the tests of 5.3 and 5.3. 4.7 Charging system
The mining lamp has no electric blade, and the charging contact point shall be well connected to ensure normal operation without power failure. 4.8 Battery performance
The positive and negative polarity of the replacement battery should be consistent with the polarity mark on the battery. 4.9 General battery performance at room temperature
For batteries that are not directly connected to the atmosphere and are not vented, the single cell should not be fully vented when the internal pressure is 20 kcPa: For batteries that are directly connected to the atmosphere and are not vented when the internal pressure is 20 kcPa, 4.10 Battery capacity
4.10.1 The full battery capacity is expressed as 10% of the actual capacity C (A5). 4.10.2 The rated capacity C is specified in Table 1. The discharge conditions are that the ambient temperature is (35=5> discharge voltage 1.-C%/10A), and the single cell is discharged to a voltage above 1.05V. When the voltage of the single-cell battery terminal cannot be determined due to structural limitations, the voltage of the main battery shall be changed to n×1. V.
4.10.3 The actual capacity of the blue battery shall be selected to the rated capacity during the fifth test. 4.11 Open-type battery tightness
4.11.1 The battery shall not leak electrolyte during the charging process. 4.11.2 The battery shall not leak zero when it is placed in any direction or sealed. 4.12 Illumination
When the mining lamp is lit, the maximum illumination intensity shall comply with the provisions of Table 1. 4.13 Open-type battery high-gas performance MT242-20D4
The pressure of the air intake shall be 20~6P when the airtight structure is used. 4.14 The overcharge test of the sealed battery
should not be reduced by the test specified in 5.12: 4.15 The over-discharge test of the sealed storage battery
should not cause the battery to rupture or break; 4.16 The intensity of the carbon lamp
should not cause vortex after the drop test specified in 5.14; loose parts and components should not endanger the safety of the card; the light source should be able to work normally.
1.17 The cable fixing device
should not cause the phenomenon of membrane pulling, wire breaking, mechanical change and loose joints after the test specified in 5.15: 4.18 The short circuit protection device
short circuit protection device should meet the requirements of MT:. The fuse should be blown within 100m when the protection device passes 3 times the expected self-response. The circuit should be cut off within 15m when the protection device is short-circuited. 4.19 Battery life
The life of the open-type battery should not be less than one charge and discharge cycle, and the life of the compact battery should be less than 1 charge and discharge cycle.
4.20 High battery storage life www.bzxz.net
4.20.1. The effective storage period of sealed type battery is 2 years from the date of production. During the storage period, its capacity shall meet the requirements of 1.10. 4.20.2 The effective storage period of sealed type battery is half a month from the date of production. During the storage period, its capacity shall meet the requirements of 1.10. 5. Test method
5. 1 Test instrument and its requirements
5. 1. 1 Direct voltage meter
The accuracy shall not be lower than 0.5 level
5. 1. 2 DC ammeter
The accuracy shall not be lower than 0.5 level.
5. 1. 3 Thermometer
Graduation value is not less than 1℃,
5. 1. 4 Density meter
Accuracy is not less than 0.005g/cm: Graduation confidence is +-C.0c=5/cm5.1.5 Timer
Accuracy is not less than ±1s/5: Time and scale are applicable. 5. 1. 6 Pressure gauge
Accuracy is not less than n.4: Decibel is not more than 2kPs and range is not more than 0.25MPu. 5. 1. 7 Illuminance meter
Accuracy is not less than 24% of full scale】:
MI242—2004
5.? Appearance and assembly quality inspection
Inspect with sensor and sunlight.
5.3 Automatic power-off inspection
Connect the upper part of the extension lamp to the ×V mining lamp power supply of the inspection hanger, light the bulb, and turn off the bulb. Press the convex center of the lever with your hand, and press it 3 to 5 times to relax. The power should be automatically cut off after each relaxation. 5.4 Charging system inspection
Connect the upper part of the mining lamp to the 1.25V mining lamp power supply used for inspection, and connect the mining lamp to the ×1.75V (closed-type hydrogen mining lamp ×1.45V) direct-charged mining lamp. The mining lamp should be able to charge the battery. 5.5 Battery polarity inspection
Check with a replacement device or a standard.
5.6 Check the air quality of open-type lightning battery at room temperature. Under the environment of about (25 + 5) degrees, plug the battery exhaust port or the exhaust port and connect the battery to the air well. Drill a single hole to see that the air quality of the battery reaches 6°C. When the air inlet is connected to the atmosphere, the pressure should not drop by 3-5 degrees. 5.7 Battery capacity test
5.7.1 Open-type battery capacity test
5.7.1.1 Configure the oxidation clock used for electrolysis
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